WO2016047390A1

WO2016047390A1 - Electromagnetic actuator

Info

Publication number: WO2016047390A1
Application number: PCT/JP2015/074783
Authority: WO
Inventors: 山口康夫
Original assignee: アイシン・エィ・ダブリュ株式会社
Priority date: 2014-09-25
Filing date: 2015-08-31
Publication date: 2016-03-31

Abstract

　There has been a need to realize an electromagnetic actuator in which the length of a magnetic core can be kept from increasing in the drive direction while ensuring electromagnetically produced drive force, and in which the magnetic core can be disposed in a partial circumferential-direction area. Magnetic cores (MB) of an electromagnetic actuator (1) have a pair of magnetic poles (9, 10) that are given opposite polarities by energizing a coil, the two magnetic poles (9, 10) are aligned in the magnetic pole arrangement direction (Y), which intersects the drive direction (X); the plurality of magnetic cores (MB) are arranged in alignment along the drive direction (X); and a driven part (8) has a pair of opposing parts (11, 12) that are arranged so as to respectively oppose the pair of magnetic poles (9, 10) of any of the magnetic cores (MB).

Description

Electromagnetic actuator

The present invention relates to an electromagnetic actuator having a magnetic core around which a coil is wound.

Regarding the electromagnetic actuator as described above, for example, a technique described in Patent Document 1 below is already known. Hereinafter, in the description of the background art section, reference numerals in Patent Document 1 are quoted in []. In the technique described in Patent Document 1, the linear actuator [1] includes a first coil [51], a second coil [52], a first slit [12], and a second slit [13]. A fixed portion [10] having an outer yoke [4] provided, and a movable portion [11] having an inner yoke [9], a first magnet [71] and a second magnet [72]. I have. And the 1st slit [12] and the 2nd slit [13] are located near the center part rather than the edge part of the axial direction of fixed part [10]. Thereby, movable part [11] is comprised so that a reciprocation is possible between the 1st position [P1] of the one side of an axial direction, and the 2nd position [P2] of the other side.

JP 2014-110746 A

In the technique of Patent Document 1, as shown in FIGS. 4 and 5 of Patent Document 1, a magnetic flux circuit for driving the movable part [11] is provided in the reciprocating direction of the movable part [11]. It is the structure formed along a certain axial direction. Therefore, the reciprocating amount of the movable part [11] is as short as about one quarter of the overall axial length of the linear actuator [1]. Therefore, in order to secure a large amount of reciprocation of the movable part [11], the entire axial length of the linear actuator [1] has to be increased.

Therefore, it is desired to realize an electromagnetic actuator that can keep the axial length of the entire actuator small with respect to the amount of reciprocation of the driven part.

In view of the above, the characteristic configuration of the electromagnetic actuator includes a plurality of magnetic cores around which a coil is wound, a control device that controls energization of each of the coils, and one or both of a magnet and a magnetic body. A driven portion that moves in the driving direction by electromagnetic force generated in the magnetic core, and each of the magnetic cores has a pair of magnetic poles that have opposite polarities when energized to the coil, These two magnetic poles are arranged in a magnetic pole arrangement direction intersecting the drive direction, the plurality of magnetic cores are arranged along the drive direction, and the driven part is one of the magnetic bodies It has the point which has a pair of opposing part arrange | positioned so as to oppose each of the said pair of magnetic poles of a core.

According to this characteristic configuration, the pair of magnetic poles of the magnetic cores are arranged in the magnetic pole arrangement direction intersecting the driving direction, and the pair of opposed parts of the driven part are arranged to face the pair of magnetic poles. Therefore, a magnetic flux circuit that passes through the magnetic core and the driven part is formed along the magnetic pole arrangement direction that intersects the driving direction. And the stop position of a driven part is formed according to each position of the some magnetic body core arrange | positioned along with the drive direction, and the reciprocating region of a driven part is decided by it. That is, according to this characteristic configuration, the arrangement area in the driving direction of the plurality of magnetic cores that define the reciprocating movement area of the driven part can be reduced compared to the case where the magnetic flux circuit is formed along the driving direction. Can do. Accordingly, it is possible to reduce the axial length of the entire electromagnetic actuator with respect to the reciprocating amount of the driven part.

It is a schematic diagram of the meshing engagement device and the electromagnetic actuator according to the embodiment. It is a schematic diagram for demonstrating the movement of the axial direction of the to-be-driven part which concerns on embodiment. It is a schematic diagram for demonstrating the movement of the axial direction of the to-be-driven part which concerns on embodiment. It is a schematic diagram for demonstrating the movement of the axial direction of the to-be-driven part which concerns on embodiment. It is a schematic diagram of the magnetic body core and driven part which concern on embodiment. It is a schematic diagram of the magnetic body core and driven part which concern on embodiment. It is a circuit diagram for demonstrating the structure of the control apparatus which concerns on embodiment. It is a figure for demonstrating the electricity supply control to the coil which concerns on embodiment. It is a schematic diagram which shows an example of the relationship between the width | variety of the to-be-driven part which concerns on embodiment, and the space | interval of an adjacent magnetic body core. It is a flowchart for demonstrating the shift control which concerns on embodiment. It is a schematic diagram of the magnetic body core and driven part which concern on 2nd embodiment. It is a schematic diagram of the magnetic body core and driven part which concern on other embodiment. It is a circuit diagram for demonstrating the structure of the control apparatus which concerns on other embodiment. It is a figure for demonstrating the electricity supply control to the coil which concerns on other embodiment. It is a schematic diagram which shows an example of the relationship between the width | variety of the to-be-driven part which concerns on embodiment, and the space | interval of an adjacent magnetic body core.

1. First Embodiment <Electromagnetic Actuator 1>
A first embodiment of the electromagnetic actuator 1 will be described with reference to the drawings. In the present embodiment, as shown in FIGS. 1 to 4, the electromagnetic actuator 1 moves in the axial direction X to drive the switching member 3 that switches the engagement state of the meshing engagement device 2 by electromagnetic force. An example in the case of being applied to will be described.
A direction parallel to the rotational axis of the meshing engagement device 2 is defined as an axial direction X. In the present embodiment, the “drive direction” of the electromagnetic actuator 1 is a direction parallel to the rotational axis of the meshing engagement device 2 and coincides with the axial direction X. Therefore, hereinafter, the “axial direction X” will be described as the “driving direction” of the electromagnetic actuator 1. Here, the rotational axis of the meshing engagement device 2 coincides with the rotational axis of the switching member 3. One side of the axial direction X is defined as an axial first side X1, and the other side of the axial direction X opposite to the axial first side X1 is defined as an axial second side X2.

The electromagnetic actuator 1 includes a plurality of magnetic cores MB around which coils C are wound, a control device 5 (see FIG. 7) that controls energization of each of the coils C, and one or both of a magnet 6 and a magnetic body 7. And a driven portion 8 that moves in the axial direction X by electromagnetic force generated in the magnetic core MB.
As shown in FIGS. 5 and 6, each of the magnetic cores MB has a pair of

magnetic poles

9 and 10 that have opposite polarities when the coil C is energized. They are arranged in a magnetic pole arrangement direction Y that intersects the direction X. As shown in FIG. 1, the plurality of magnetic cores MB are arranged side by side along the axial direction X.

The driven part 8 has a pair of facing

parts

11 and 12 arranged to face each of the pair of

magnetic poles

9 and 10 of any one of the plurality of magnetic cores MB. In other words, the driven part 8 has a pair of facing

parts

11 and 12 arranged so as to face each of the pair of

magnetic poles

9 and 10 of any magnetic core MB corresponding to the position in the axial direction X. . That is, when the driven unit 8 is moved in the axial direction X so that a part of the plurality of magnetic cores MB corresponds to the position in the axial direction X, the pair of opposed units 11 included in the driven unit 8; 12 are arranged so that the position in the axial direction X faces the pair of

magnetic poles

9 and 10 of the corresponding magnetic core MB. In the present embodiment, the driven portion 8 is configured to be interlocked with the switching member 3 that switches the engagement state of the meshing engagement device 2. And the driven part 8 moves to the axial direction X by the electromagnetic force which generate | occur | produces in the magnetic body core MB, and moves the switching member 3 to the axial direction X. FIG.

According to this configuration, each of the magnetic cores MB has the pair of

magnetic poles

9 and 10, and the driven portion 8 is a pair of the

magnetic poles

9 and 10 of the magnetic core MB facing each of the pair of

magnetic poles

9 and 10. Since the

opposing portions

11 and 12 are provided, two sets of opposing magnetic poles and opposing portions can be provided. Therefore, the electromagnetic force acting on the driven part 8 can be increased as compared with the case where a pair of opposing magnetic poles and opposing parts are provided.

In the present embodiment, as shown in FIGS. 5 and 6, the driven unit 8 includes a magnet 6 and a magnetic body 7. And a pair of

opposing parts

11 and 12 which the to-be-driven part 8 has are made into the magnetic poles with which polarity is mutually opposite.
According to this configuration, a stronger magnetic force is generated in the driven part 8 than in the case where the magnet 6 is not provided, so that an attractive force or a repulsive force acting on the driven part 8 can be increased. In this embodiment, a permanent magnet is used for the magnet 6, and a ferromagnetic material such as iron is used for the magnetic body 7. Further, a ferromagnetic material such as iron is used for the magnetic core MB.

The control device 5 energizes the coil C so that the magnetic core MB to which the driven unit 8 is moved is caused to generate an attractive force with respect to the driven unit 8, and the magnetic core MB from which the driven unit 8 is moved Further, the coil C is configured to be energized so that a repulsive force against the driven portion 8 is generated.
According to this configuration, it is possible to use both the attraction force by the magnetic core MB that is the moving destination and the repulsive force by the magnetic core MB that is the moving source, so that the driven portion 8 is moved in the axial direction X. Can increase power.

In the present embodiment, as shown in FIGS. 5 and 6, each of the magnetic cores MB includes a first coil C <b> 1 and a second coil C <b> 2 in which the directions of magnetic fields generated in the magnetic core MB by energization are opposite to each other. And two coils C are wound. The control device 5 energizes either the first coil C1 or the second coil C2 depending on whether an attractive force or a repulsive force is generated for the driven part 8 in each of the magnetic cores MB. It is comprised so that it may switch. According to this configuration, for each of the magnetic cores MB, the attractive force and the repulsive force acting on the driven part 8 are switched by simply switching between energization to the first coil C1 and energization to the second coil C2. be able to. Therefore, the control device 5 can be configured by a simple circuit such as a switch for controlling on / off of energization of each of the coils C.

In the present embodiment, the control device 5 includes a switch S for turning on / off the energization of each of the coils C as shown in FIG. The control device 5 includes a computer that executes a program for controlling on / off of each switch S, a transistor for turning on / off each switch S, and the like. In the present embodiment, as will be described later, the electromagnetic actuator 1 includes three magnetic cores MB1, MB2, and MB3, and therefore includes a total of six coils C11, C21, C12, C22, C13, and C23. . And the control apparatus 5 is equipped with six switch S11, S21, S12, S22, S13, S23 corresponding to each coil.

In this embodiment, the magnetic pole arrangement direction Y is orthogonal to the axial direction X. As shown in FIGS. 5 and 6, each of the magnetic cores MB includes a pair of magnetic

pole forming portions

13 and 14 extending in the magnetic pole extending direction Z orthogonal to the axial direction X and the magnetic pole arranging direction Y, and the magnetic pole arranging direction Y. And a magnetic pole connecting portion 15 that connects the pair of magnetic

pole forming portions

13 and 14 to each other. The ends of the pair of magnetic

pole forming portions

13 and 14 on the first side Z1 in the magnetic pole extending direction are the

magnetic poles

9 and 10, respectively.

The driven portion 8 includes a pair of opposing

portion forming portions

16 and 17 extending in the magnetic pole extending direction Z, an opposing portion connecting portion 18 extending in the magnetic pole arrangement direction Y and connecting the pair of opposing

portion forming portions

16 and 17, have. The ends of the pair of opposing

portion forming portions

16 and 17 on the magnetic core MB side (magnetic pole extending direction second side Z2) in the magnetic pole extending direction Z are opposing

portions

11 and 12, respectively.

Here, one side in the magnetic pole extension direction Z is defined as the first side Z1 of the magnetic pole extension direction, and the other side in the magnetic pole extension direction Z opposite to the first side Z1 of the magnetic pole extension direction is defined as the magnetic pole extension direction Z. It is defined as the extending direction second side Z2.

According to this configuration, since the ends of the magnetic pole extending direction first side Z1 in the magnetic

pole forming portions

13 and 14 extending in the magnetic pole extending direction Z are the

magnetic poles

9 and 10, the magnetic pole extending direction first side Magnetic force can be concentrated on the end of Z1. Moreover, since the edge part of the magnetic pole extension direction 2nd side Z2 in the opposing

part formation parts

16 and 17 extended in the magnetic pole extension direction Z is made into the opposing

parts

11 and 12, the opposing

parts

11 and 12 are made into the

magnetic pole

9, 10 can be opposed to the magnetic pole extending direction Z. Therefore, the magnetic force can be efficiently applied from the

magnetic poles

9 and 10 to the facing

portions

11 and 12, and the generated attractive force or repulsive force can be increased.
Further, since the pair of magnetic

pole forming portions

13 and 14 and the pair of opposing

portion forming portions

16 and 17 are extended in the magnetic pole extending direction Z, the electromagnetic actuator 1 can be prevented from being elongated in the magnetic pole arrangement direction Y.

In the present embodiment, the opposing portion connecting portion 18 connects the end portions of the first side Z1 in the magnetic pole extending direction in each of the pair of opposing

portion forming portions

16 and 17. The driven portion 8 is formed in an angular U shape that opens to the second side Z2 in the magnetic pole extending direction. The facing portion forming portion 17 (facing portion 12) on the second side Y2 in the magnetic pole arrangement direction is composed of the magnet 6, and other portions (forming the facing portion on the facing portion connecting portion 18 and the first side Y1 in the magnetic pole arrangement direction). The part 16) is composed of the magnetic body 7. The magnet 6 is attached to the driven part 8 (magnetic body 7) with a polarity direction in which the facing part 12 on the second side Y2 in the magnetic pole arrangement direction is an N pole. The facing portion 11 on the first side Y1 in the magnetic pole arrangement direction is the S pole.

The magnetic pole connecting portion 15 connects the end portions of the pair of magnetic

pole forming portions

13 and 14 on the second side Z2 in the magnetic pole extending direction. The magnetic core MB is formed in an angular U-shape that opens to the first side Z1 in the magnetic pole extending direction. A coil C is wound around each of the pair of magnetic

pole forming portions

13 and 14. The first coil C1 is wound around the magnetic pole forming portion 13 on the first side Y1 in the magnetic pole arrangement direction, and the second coil C2 is wound around the magnetic pole forming portion 14 on the second side Y2 in the magnetic pole arrangement direction. Then, as shown in FIG. 5, when the first coil C1 represented by a thick line is energized, the magnetic pole 9 on the first side Y1 in the magnetic pole arrangement direction becomes N pole, and the magnetic pole 10 on the second side Y2 in the magnetic pole arrangement direction becomes Becomes the S pole.
In this case, a suction force acts on the driven part 8. On the other hand, as shown in FIG. 6, when the second coil C2 indicated by a thick line is energized, the magnetic pole 9 on the first side Y1 in the magnetic pole arrangement direction becomes the S pole, and the magnetic pole 10 on the second side Y2 in the magnetic pole arrangement direction becomes It becomes N pole. In this case, a repulsive force acts on the driven part 8.

<Meshing engagement device 2>
As shown in FIG. 1, in the present embodiment, the meshing engagement device 2 includes a first input dog gear DI <b> 1 that is drivingly connected to the electric motor MG via the first drive connecting mechanism 20, and the first drive connecting mechanism 20. A second input dog gear DI2 that is drive-coupled to the electric motor MG via a second drive coupling mechanism 21 having a different speed ratio, an output dog gear DO that is drive-coupled to the output member O, a first input dog gear DI1, And a switching member 3 having a meshing portion that meshes with at least one of the second input dog gear DI2 and the output dog gear DO. The switching member 3 is configured to be interlocked with the driven portion 8 of the electromagnetic actuator 1.
The first input dog gear DI1, the output dog gear DO, and the second input dog gear DI2 along the axial direction X from the first axial side X1 (that is, from the first axial side X1 toward the second axial side X2). Arranged in order.

In the present application, “driving connection” refers to a state where two rotating elements are connected so as to be able to transmit a driving force, and the two rotating elements are connected so as to rotate integrally, or It is used as a concept including a state in which two rotating elements are connected so as to be able to transmit a driving force via one or more transmission members. Examples of such a transmission member include various members that transmit rotation at the same speed or a variable speed, and include, for example, a shaft, a gear mechanism, a belt, a chain, and the like. Further, as such a transmission member, an engagement device that selectively transmits rotation and driving force, for example, a friction engagement device or a meshing engagement device may be included.

In the present embodiment, the first and second input dog gears DI1, DI2 and the output dog gear DO are formed in a cylindrical shape having the same outer diameter and are arranged coaxially. On the outer peripheral surfaces of the first and second input dog gears DI1, DI2 and the output dog gear DO, a plurality of meshing teeth (dog gear side meshing) extending in the axial direction X formed at a constant pitch in the circumferential direction over the entire circumference. Part), and the cross-sectional shapes of the meshing teeth are made equal. The switching member 3 is a sleeve formed in a cylindrical shape, and is coaxially disposed on the radially outer side of the first and second input dog gears DI1 and DI2 and the output dog gear DO. A plurality of meshing teeth (switching side meshing portions) extending in the axial direction X formed at a constant pitch in the circumferential direction are formed on the inner peripheral surface of the switching member 3. The teeth have a cross-sectional shape that engages with the dog gears by engaging with the meshing teeth of the first and second input dog gears DI1, DI2, and the output dog gear DO.

The first drive coupling mechanism 20 is engaged with the first motor output gear GMO1 that rotates integrally with the rotating shaft 22 of the electric motor MG, and the first motor input gear that meshes with the first motor output gear GMO1 and rotates integrally with the first input dog gear DI1. A gear mechanism configured by GMI1. The second drive coupling mechanism 21 is engaged with the second motor output gear GMO2 that rotates integrally with the rotary shaft 22 of the electric motor MG, and the second motor input gear that meshes with the second motor output gear GMO2 and rotates integrally with the second input dog gear DI2. GMI2 and a gear mechanism. The electric motor MG includes a stator St fixed to the case, and a rotor Ro that is rotatably supported on the radially inner side of the stator St. The rotating shaft 22 rotates integrally with the rotor Ro. The electric motor MG is electrically connected to the power storage device via an inverter that performs DC / AC conversion. Control device 5 controls the output torque of electric motor MG via an inverter.

In the present embodiment, the first motor output gear GMO1 has a smaller diameter than the second motor output gear GMO2, and the first motor input gear GMI1 has a larger diameter than the second motor input gear GMI2. Therefore, even if the rotation speed of the electric motor MG is the same, the rotation speed of the second input dog gear DI2 is higher than the rotation speed of the first input dog gear DI1.

The output member O is formed in a cylindrical shape extending from the output dog gear DO to both sides in the axial direction X, and is connected to rotate integrally with the output dog gear DO. The output member O is formed in the central portion of the second motor input gear GMI2 and the second input dog gear DI2 and the through hole extending in the axial direction X formed in the central portion of the first motor input gear GMI1 and the first input dog gear DI1. The through-holes extending in the axial direction X are passed through, and these are rotatably supported from the inside in the radial direction. In this example, the output member O is connected to two left and right wheels via a differential gear device (not shown).

A fork insertion groove 23 that is recessed radially inward and extends over the entire circumference is provided on the outer circumferential surface of the switching member 3. A fork 24 is inserted into the fork insertion groove 23. By sliding the fork 24 that is a non-rotating member in the axial direction X, the switching member 3 that is a rotating member can be slid in the axial direction X. The fork 24 is connected to the driven portion 8 of the electromagnetic actuator 1, and when the driven portion 8 moves in the axial direction X, the fork 24 and the switching member 3 move in the axial direction X. In this way, the driven portion 8 of the electromagnetic actuator 1 and the switching member 3 of the meshing engagement device 2 are configured to be interlocked. And the driven part 8 moves to the axial direction X by the electromagnetic force which generate | occur | produces in the magnetic body core MB, and moves the switching member 3 to the axial direction X. FIG.

The electromagnetic actuator 1 includes the first magnetic core MB1 and the second magnetic body along the axial direction X from the first axial side X1 (that is, from the first axial side X1 toward the second axial side X2). Three magnetic cores MB arranged in the order of the core MB2 and the third magnetic core MB3 are provided.

The first coil C1 wound around the first magnetic core MB1 is referred to as a first core first coil C11, and the second coil C2 wound around the first magnetic core MB1 is referred to as a first core second coil C21. The first coil C1 wound around the second magnetic core MB2 is designated as the second core first coil C12, and the second coil C2 wound around the second magnetic core MB2 is designated as the second core second. The first coil C1 wound around the third magnetic core MB3 as the coil C22 is used as the third core first coil C13, and the second coil C2 wound around the third magnetic core MB3 as the third core. The second coil is C23.

As shown in FIG. 7, the switch energized to the first core first coil C11 is a first core first switch S11, and the switch energized to the first core second coil C21 is a first core second switch S21. The switch energizing the second core first coil C12 is a second core first switch S12, the switch energizing the second core second coil C22 is a second core second switch S22, and the third core first switch The switch that energizes the coil C13 is referred to as a third core first switch S13, and the switch that energizes the third core second coil C23 is referred to as a third core second switch S23.

As shown in FIG. 3, the second magnetic core MB2 has a central portion in the axial direction X of the driven portion 8 at a position facing the central portion in the axial direction X of the second magnetic core MB2 (hereinafter referred to as “the second magnetic core MB2”). The switching member 3 is disposed at a position in the axial direction X so as to mesh only with the output dog gear DO. In this case, the switching member 3 meshes only with the output dog gear DO and does not mesh with any of the first and second input dog gears DI1 and DI2, and the meshing engagement device 2 outputs the driving force of the electric motor MG. The neutral state is not transmitted to the member O.

As shown in FIG. 2, when the driven portion 8 moves to the first axial side X1 from the central position, and the driven portion 8 is at least at a position facing the first magnetic core MB1 (hereinafter simply referred to as “the driven portion 8”). The switching member 3 is disposed at a position in the axial direction X so as to mesh with the output dog gear DO and the first input dog gear DI1. In this case, the meshing engagement device 2 transmits the driving force of the electric motor MG to the output member O via the first drive coupling mechanism 20, the first input dog gear DI1, the switching member 3, and the output dog gear DO. The first shift speed is established.

As shown in FIG. 4, when the driven portion 8 moves to the second axial side X2 from the center position, and the driven portion 8 is at least at a position facing the third magnetic core MB3 (hereinafter simply referred to as “the driven portion 8”). The switching member 3 is disposed at a position in the axial direction X so as to mesh with the output dog gear DO and the second input dog gear DI2. In this case, the meshing engagement device 2 transmits the driving force of the electric motor MG to the output member O via the second drive coupling mechanism 21, the second input dog gear DI2, the switching member 3, and the output dog gear DO. A state in which the second shift speed is formed is obtained.

As shown in FIG. 2, when the driven unit 8 is positioned at the first side position and the first shift stage is formed, the control device 5 sets the first core first switch S <b> 11 as shown in FIG. 8. The first core first coil C11 that is the first coil C1 wound around the first magnetic core MB1 is energized, and the driven part 8 is attracted to the first magnetic core MB1.
As shown in FIG. 3, when the driven unit 8 is positioned at the center position and is in the neutral state, the control device 5 turns on the second core first switch S12 as shown in FIG. The second core first coil C12, which is the first coil C1 wound around the magnetic core MB2, is energized, and the driven part 8 is attracted to the second magnetic core MB2.
As shown in FIG. 4, when the driven unit 8 is positioned at the second side position and the second shift stage is formed, the control device 5 sets the third core first switch S13 as shown in FIG. 8. The third core first coil C13 that is the first coil C1 wound around the third magnetic core MB3 is energized, and the driven part 8 is attracted to the third magnetic core MB3.

In this embodiment, when moving the driven part 8 from the first side position to the center position, the control device 5 turns on the second core first switch S12 as shown in FIG. The second core first coil C12, which is the first coil C1 wound around the core MB2, is energized to attract the driven part 8 to the second magnetic core MB2, and the first core second switch S21 is turned on. The first core second coil C21, which is the second coil C2 wound around the first magnetic core MB1, is energized to repel the driven part 8 from the first magnetic core MB1.
On the other hand, when moving the driven unit 8 from the center position to the first side position, the control device 5 turns on the first core first switch S11 and turns the first core wound around the first magnetic core MB1. The first core first coil C11, which is the coil C1, is energized, the driven part 8 is attracted to the first magnetic core MB1, the second core second switch S22 is turned on, and the second magnetic core MB2 is wound. The second core second coil C22, which is the second coil C2 mounted, is energized to repel the driven part 8 from the second magnetic core MB2.

When the driven device 8 is moved from the second side position to the center position, the control device 5 turns on the second core first switch S12 and uses the first coil C1 wound around the second magnetic core MB2. The second core first coil C12 is energized to attract the driven part 8 to the second magnetic core MB2, and the third core second switch S23 is turned on to be wound around the third magnetic core MB3. The third core second coil C23, which is the second coil C2, is energized, and the driven portion 8 is repelled from the third magnetic core MB3.
On the other hand, when moving the driven unit 8 from the central position to the second position, the control device 5 turns on the third core first switch S13 and turns the first core wound around the third magnetic core MB3. The third core first coil C13, which is the coil C1, is energized, the driven part 8 is attracted to the third magnetic core MB3, the second core second switch S22 is turned on, and the second magnetic core MB2 is wound. The second core second coil C22, which is the second coil C2 mounted, is energized to repel the driven part 8 from the second magnetic core MB2.

In order to satisfactorily realize the operation of the driven portion 8 by such suction or repulsion, the axis of the magnetic core MB disposed on the first axial side X1 in the two magnetic cores MB adjacent in the axial direction X The width W0 in the axial direction X of the driven portion 8 is larger than the interval W1 between the end surface on the first direction side X1 and the end surface on the second axial direction side X2 of the magnetic core MB disposed on the second axial side X2. Is shortened (see FIG. 11).

In the present embodiment, as shown in FIG. 9, in the two magnetic cores MB adjacent to each other in the axial direction X, the end surface on the first axial side X1 of the magnetic core MB disposed on the first axial side X1 The width W0 of the driven portion 8 in the axial direction X is shorter than the interval W2 between the magnetic core MB disposed on the second axial side X2 and the end surface on the first axial side X1. Similarly, in the two magnetic cores MB adjacent to each other in the axial direction X, the end surface on the second axial side X2 of the magnetic core MB disposed on the first axial side X1 and the second axial side X2 are disposed. The width W0 in the axial direction X of the driven portion 8 is shorter than the distance (not shown) from the end surface on the second axial side X2 of the magnetic core MB.

The driven portion 8 and the plurality of magnetic cores MB are disposed in a space radially outside the first and second input dog gears DI1, DI2, the output dog gear DO, and the switching member 3. The fork 24 extends radially outward from the switching member 3, and the driven portion 8 is integrally connected to the radially outer end of the fork 24. The plurality of magnetic cores MB are disposed on the radially outer side of the driven part 8. In this example, the magnetic pole extending direction Z, which is the direction in which the pair of magnetic

pole forming portions

13, 14 extends, is the direction along the radial direction of the meshing engagement device 2, and the magnetic pole extending direction first side Z1. Is a side toward the radially inner side, and the magnetic pole extending direction second side Z2 is a side toward the radially outer side. A magnetic pole arrangement direction Y, which is a direction in which the pair of

magnetic poles

9 and 10 are arranged, is a direction along the circumferential direction of the meshing engagement device 2.

<Shift control>
The control device 5 controls the energization to the coil C to move the switching member 3 interlocked with the driven portion 8 in the axial direction X, so that the switching member 3 is the input dog gear (in this example, the first input dog gear). DI1 or the second input dog gear DI2) and the output dog gear DO are engaged, and the release control is executed so that the switching member 3 shifts to a release state in which the switching member 3 meshes with either the input dog gear or the output dog gear DO. ing.
Further, the control device 5 controls the energization to the coil C to move the switching member 3 interlocked with the driven portion 8 in the axial direction X, so that the switching member 3 is one of the input dog gear and the output dog gear DO. It is configured to be able to execute an engagement control in which the switching member 3 shifts to an engagement state in which both of the input dog gear and the output dog gear DO are engaged from the release state in which the mesh is engaged.

After performing the release control, the control device 5 performs rotation speed change control for controlling the output torque of the electric motor MG so as to increase or decrease the rotation speed of the electric motor MG, and the electric motor MG is controlled by the rotation speed change control. When the output torque increases or decreases more than a predetermined determination change amount, the abnormality first control is executed. In the present embodiment, the control device 5 is configured to perform release control again as the first control for abnormality.
The control device 5 obtains rotation speed information from a rotation speed sensor that detects the rotation speed of each rotation member such as the rotation shaft 22 and the output member O of the electric motor MG.

The control device 5 performs the torque control for controlling the output torque of the electric motor MG after performing the engagement control, and after the torque control is started, the rotational speed of the input dog gear and the rotational speed of the output dog gear DO coincide with each other. If not, the second control for abnormality is executed. In the present embodiment, the control device 5 is configured to perform the engagement control again as the abnormal second control.

In the present embodiment, the control device 5 uses one of the first input dog gear DI1 and the second input dog gear DI2 as the pre-shift dog gear, the other of the first input dog gear DI1 and the second input dog gear DI2 as the post-shift dog gear, and the coil C By controlling the energization of the switch member 3, the switching member 3 interlocked with the driven portion 8 is moved in the axial direction X, and the switching member 3 is moved from the pre-shifting shift state where the switching member 3 meshes with the pre-shifting dog gear and the output dog gear DO After performing the neutral shift control for shifting to the neutral state that meshes only with the output dog gear DO, the post-shift engagement control for shifting the shift member 3 from the neutral state to the post-shift gear state that meshes with the post-shift dog gear and the output dog gear DO. The shift control to be performed is configured to be executable.

The control device 5 performs the neutral shift control and then controls the output torque of the electric motor MG so that the rotation speed of the post-shift dog gear that is drivingly connected to the electric motor MG approaches the rotation speed of the output dog gear DO. The change control is performed, and when the output torque of the electric motor MG increases or decreases more than a predetermined determination change amount by the rotation speed change control, the abnormality third control is executed. In the present embodiment, the control device 5 is configured to perform the neutral shift control again as the abnormal third control. The abnormal third control is an aspect of the abnormal first control. Further, as the rotational speed change control, feedback control is performed to change the output torque of the electric motor MG by proportional-integral control based on the deviation between the rotational speed of the post-shift dog gear and the rotational speed of the output dog gear DO. Yes.

After shifting from the pre-shifting shift state where the rotational speed of the pre-shift dog gear matches the rotational speed of the output dog gear DO to the neutral state, the rotational speed of the post-shift dog gear is set to the output dog gear. Rotational speed change control that approximates the rotational speed of DO is executed. However, despite the execution of the neutral shift control, due to some reason, the switching member 3 does not shift to the state engaged only with the output dog gear DO, but remains in an engaged state with the pre-shifting dog gear and the output dog gear DO. A condition may occur. In this abnormal state, when the rotational speed change control is performed so that the rotational speed of the post-shift dog gear approaches the rotational speed of the output dog gear DO, the rotational speed of the post-shift dog gear is output even if the output torque of the electric motor MG is increased or decreased. Since it does not approach the rotational speed of the dog gear DO, the amount of increase or decrease in the output torque of the electric motor MG increases. According to the above configuration, when the output torque of the electric motor MG increases or decreases by a rotational speed change control to a value greater than or equal to a predetermined determination change amount, an abnormal state can be detected, and the abnormal third control is performed. Can be executed. Therefore, after changing from the pre-shifting shift state to the neutral state, using the rotational speed change control executed to shift to the post-shifting shift state, it is determined whether or not the shift state from the pre-shifting shift state to the neutral state. Can be determined.

Further, after performing the engagement control after the shift, the control device 5 ends the rotation speed change control and performs the torque control for controlling the output torque of the electric motor MG. After starting the torque control, the rotation of the dog gear after the shift is performed. When the speed does not match the rotational speed of the output dog gear DO, the fourth control for abnormal time is configured to be executed. In the present embodiment, the control device 5 is configured to perform the post-shift engagement control again as the abnormal fourth control. The fourth control for abnormal time is an aspect of the second control for abnormal time.

After the shift member 3 is shifted to the post-shifting shift state in which the switching member 3 meshes with the post-shift dog gear and the output dog gear DO by the post-shift engagement control, torque control is executed, and the output torque of the electric motor MG is transmitted to the output member O. Here, torque control is control which makes the output torque of the electric motor MG approach the target torque set according to the accelerator opening degree of a vehicle, etc., for example. However, although the post-shift engagement control is executed, for some reason, the switching member 3 does not shift to a state where it engages with the post-shift dog gear and the output dog gear DO, but remains engaged only with the output dog gear DO. Abnormal conditions may occur. When torque control is executed in this abnormal state to increase or decrease the output torque of the electric motor MG, the rotation speed of the post-shift dog gear increases or decreases with respect to the rotation speed of the output dog gear DO. According to the above configuration, after the torque control is started, the abnormal state can be detected when the rotational speed of the post-shift dog gear does not match the rotational speed of the output dog gear DO, and the abnormal fourth control is performed. Can be executed. Therefore, after shifting from the neutral state to the post-shifting shift state, using the torque control executed to transmit the output torque of the electric motor MG to the output member O, the neutral state is shifted to the post-shifting shift state. It can be determined whether or not.

Next, the shift control will be described in more detail using the flowchart shown in FIG.
First, when it is determined that the shift control is to be started (step # 01: Yes), the control device 5 starts the rotation speed synchronization control for synchronizing the rotation speed of the pre-shift dog gear with the rotation speed of the output dog gear DO (step #). 02). If the control device 5 has performed torque control for controlling the output torque of the electric motor MG transmitted to the output member O before starting the shift control, the control device 5 stops the torque control and starts the rotational speed synchronization control. . When the rotation speed synchronization control is executed, the torque transmitted from the pre-shifting dog gear to the output dog gear DO via the switching member 3 decreases, so that the frictional force between the switching member 3 and the pre-shifting dog gear and the output dog gear DO is reduced. This makes it easier to move the switching member 3 in the axial direction X.

The control device 5 controls the energization to the coil C after the start of the rotational speed synchronization control, thereby moving the switching member 3 interlocked with the driven portion 8 in the axial direction X, so that the switching member 3 is a dog gear before shifting. Then, the neutral shift control is executed in which the switching member 3 shifts to the neutral state in which only the output dog gear DO meshes with the shift state before the gear meshing with the output dog gear DO (step # 03).

The control device 5 performs the neutral shift control and then controls the output torque of the electric motor MG so that the rotation speed of the post-shift dog gear that is drivingly connected to the electric motor MG approaches the rotation speed of the output dog gear DO. Change control is started (step # 04).
When the output torque of the electric motor MG increases or decreases by a rotational speed change control to be greater than or equal to a predetermined determination change amount (step # 05: Yes), the control device 5 determines that the neutral state has not been reached, The third control for abnormal time is executed. In the present embodiment, the control device 5 is configured to return to step # 02, perform rotational speed synchronization control again, and perform neutral shift control.

On the other hand, when shifting to the neutral state, the rotational speed of the post-shift dog gear approaches the rotational speed of the output dog gear DO by the rotational speed change control. When the rotational speed of the post-shift dog gear is synchronized (matched) with the rotational speed of the output dog gear DO (step # 06: Yes), the control device 5 switches the switching member 3 from the neutral state to the post-shift dog gear and the output dog gear DO. Post-shift engagement control for shifting to the meshed post-shift state is executed (step # 07).

The control device 5 ends the rotation speed change control after the execution of the post-shift engagement control, and starts torque control for controlling the output torque of the electric motor MG transmitted to the output member O (step # 08). After starting torque control, control device 5 determines that the shift to the post-shift state has not been made if the rotational speed of the post-shift dog gear does not match the rotational speed of output dog gear DO (step # 09: No). However, it is configured to execute the abnormality fourth control. In the present embodiment, the control device 5 is configured to return to step # 04 and perform the rotation speed change control again to perform post-shift engagement control.

On the other hand, in the case of shifting to the post-shifting shift state, the rotational speed of the post-shifting dog gear is kept in agreement with the rotational speed of the output dog gear DO even if torque control is performed. After the torque control is started, the control device 5 shifts to the post-shifting shift state when the rotational speed of the post-shifting dog gear remains synchronized (matched) with the rotational speed of the output dog gear DO (step # 09: Yes). And shift control is terminated.

2. Second Embodiment Next, a second embodiment of the electromagnetic actuator 1 will be described with reference to FIG. In the configuration of the present embodiment, the shapes of the magnetic core MB and the driven portion 8 are different from those of the first embodiment. Below, it demonstrates centering around difference with said 1st embodiment. Points that are not particularly described can be the same as those in the first embodiment.

In the example shown in FIG. 11, the magnetic pole arrangement direction Y is orthogonal to the axial direction X (drive direction). Each of the magnetic cores MB includes a pair of magnetic

pole forming portions

13 and 14 extending in the magnetic pole extending direction Z orthogonal to the axial direction X and the magnetic pole arranging direction Y, and a pair of magnetic pole forming portions 13 extending in the magnetic pole arranging direction Y, And a magnetic pole connecting portion 15 for connecting the two. The surfaces of the pair of magnetic

pole forming portions

13 and 14 facing each other are the

magnetic poles

9 and 10, respectively. The driven part 8 has a facing part forming part 19 extending in the magnetic pole arrangement direction Y. Then, both end portions in the magnetic pole arrangement direction Y in the facing portion forming portion 19 are facing

portions

11 and 12.

pole forming portions

13 and 14 on the second side Z2 in the magnetic pole extending direction. Therefore, the magnetic core MB is formed in an angular U-shape that opens to the first side Z1 in the magnetic pole extending direction. A coil C is wound around each of the pair of magnetic

pole forming portions

13 and 14. The first coil C1 is wound around the magnetic pole forming portion 13 on the first side Y1 in the magnetic pole arrangement direction, and the second coil C2 is wound around the magnetic pole forming portion 14 on the second side Y2 in the magnetic pole arrangement direction.

In this embodiment, a pair of magnetic

pole forming portions

13 and 14 extending in the magnetic pole extending direction Z are arranged side by side in the magnetic pole arrangement direction Y. Accordingly, the surfaces of the pair of magnetic

pole forming portions

13 and 14 that face each other are surfaces that face each other in the magnetic pole arrangement direction Y. Here, coils C1 and C2 are wound around the pair of magnetic

pole forming portions

13 and 14, respectively. Therefore, the portion on the first side Z1 in the magnetic pole extending direction from the portion where the coils C1 and C2 are wound on the mutually opposing surfaces of the pair of magnetic pole forming portions 13 and 14 (hereinafter referred to as “opposing surface target portion”). However, it is a part which opposes the opposing

parts

11 and 12 of the to-be-driven part 8, and this opposing surface object part is made into the

magnetic poles

9 and 10. FIG. In the example shown in the figure, projecting portions that protrude toward the magnetic pole arrangement direction Y are formed on the opposing surface target portions of each of the pair of magnetic

pole forming portions

13 and 14, and the

magnetic pole

9, 10 is formed. In addition, it is not provided with such a protrusion part, but the mutually opposing surface of a pair of magnetic

pole formation parts

13 and 14 may be made into a uniform plane over the whole magnetic pole extension direction Z in the magnetic

pole formation parts

13 and 14. . Also in this case, it is preferable that the opposing surface target portions of the pair of magnetic

pole forming portions

13 and 14 are the

magnetic poles

9 and 10.

In the present embodiment, the driven portion 8 is formed in a linear bar shape. More specifically, in the illustrated example, the driven portion 8 is formed in a columnar shape (for example, a columnar shape, a quadrangular prism shape, or the like) having a generatrix parallel to the magnetic pole arrangement direction Y. Then, both end portions of the driven portion 8 in the magnetic pole arrangement direction Y are opposed

portions

11 and 12. As described above, the driven portion 8 is disposed so that the pair of facing

portions

11, 12 face the opposing surface target portions of the pair of magnetic

pole forming portions

13, 14. Thus, the driven portion 8 is sandwiched between the magnetic pole arrangement directions Y of the pair of magnetic

pole forming portions

13 and 14 in the vicinity of the tip portion of the pair of magnetic

pole forming portions

13 and 14 on the first side Z1 in the magnetic pole extending direction. Are arranged. In this embodiment, the magnetic core MB and the driven portion 8 form a rectangular ring-shaped magnetic flux circuit as a whole.

Moreover, in this embodiment, the driven part 8 is comprised with the magnet and the magnetic body. This magnet is attached to the driven portion 8 with a polarity direction in which the facing portion 12 on the second side Y2 in the magnetic pole arrangement direction is an N pole. The facing portion 11 on the first side Y1 in the magnetic pole arrangement direction is the S pole. In addition, the driven part 8 may be comprised only with the magnet, or the driven part 8 may be comprised only with the magnetic body.

The shapes of the magnetic core MB and the driven portion 8 are not limited to the above specific examples, and the pair of

opposed portions

11 and 12 in the driven portion 8 is a pair of any magnetic core MB. The magnetic core MB and the driven part 8 may have any shape as long as they are arranged to face each of the

magnetic poles

9 and 10. For example, the shape of the magnetic core MB or the driven portion 8 viewed from the same direction as in FIGS. 5 and 11 may be formed in a V shape, an arc shape, a column shape, or the like.

3. Other Embodiments Finally, other embodiments of the electromagnetic actuator 1 will be described. Note that the configuration of each embodiment described below is not limited to being applied independently, and can be applied in combination with the configuration of other embodiments as long as no contradiction arises.

(1) In the above embodiment, each of the magnetic cores MB includes two coils C, the first coil C1 and the second coil C2, in which the directions of magnetic fields generated in the magnetic core MB by energization are opposite to each other. The case where is wound is described as an example. However, without being limited to such a configuration, one or three or more coils may be wound around each of the magnetic cores MB. For example, when one coil is wound, as shown in FIG. 12, the coil C may be wound around the magnetic pole forming portion 14 on the second side Y2 in the magnetic pole arrangement direction. In the example shown in FIG. 12, the driven unit 8 is configured in the same manner as in the above embodiment. When the coil C is energized, the magnetic pole 9 on the first side Y1 in the magnetic pole arrangement direction becomes N pole, the magnetic pole 10 on the second side Y2 in the magnetic pole arrangement direction becomes S pole, and an attractive force acts on the driven part 8. . In this case, since the electromagnetic actuator 1 includes the three magnetic cores MB, as shown in FIG. 13, the electromagnetic actuator 1 includes a total of three coils C1, C2, and C3. The control device 5 includes three switches S1, S2, and S3.

As shown in FIG. 14, when the driven unit 8 is positioned or moved to the first side position, the control device 5 turns on the switch S1 of the first magnetic core MB1 and switches the first magnetic core MB1 to the first magnetic core MB1. The coil C1 wound is energized, and the driven portion 8 is attracted to the first magnetic core MB1. The control device 5 turns on the switch S2 of the second magnetic core MB2 to energize the coil C2 wound around the second magnetic core MB2 when the driven part 8 is positioned or moved to the center position. Then, the driven part 8 is attracted to the second magnetic core MB2. When the driven device 8 is positioned or moved to the second position, the control device 5 turns on the switch S3 of the third magnetic core MB3, and turns on the coil C3 wound around the third magnetic core MB3. Energized to attract the driven part 8 to the third magnetic core MB3. In addition, although illustration is abbreviate | omitted, when one coil is wound by each of the magnetic body core MB, the coil C may be wound by the magnetic pole formation part 13 of the magnetic pole arrangement direction 1st side Y1. Is natural.

(2) In the above embodiment, the case where the coil C is wound around each of the pair of magnetic

pole forming portions

13 and 14 in the magnetic core MB has been described as an example. However, without being limited to such a configuration, the coil C may be wound around any part of the magnetic core MB as long as electromagnetic force can be generated. For example, the coil C may be wound around the magnetic pole coupling portion 15 in the magnetic core MB.

(3) In the above embodiment, as shown in FIG. 9, the distance W2 between the end faces on the first axial side X1 in the two magnetic cores MB in which the width W0 in the axial direction X of the driven part 8 is adjacent. A shorter configuration has been described as an example. However, the width W0 in the axial direction X of the driven portion 8 may be longer than that, without being limited to such a configuration. Also in this case, as shown in FIG. 15, in the two magnetic cores MB adjacent to each other in the axial direction X, the end surface on the first axial side X1 of the magnetic core MB arranged on the first axial side X1 The width W0 of the driven portion 8 in the axial direction X is preferably shorter than the interval W1 between the end face of the magnetic core MB arranged on the second axial side X2 and the second axial side X2. is there. That is, in the example shown in FIG. 15, the width W0 in the axial direction X of the driven part 8 is longer than the interval W2 between the end surfaces on the first axial side X1 in the two adjacent magnetic cores MB, It is configured to be shorter than the interval W1 between the end face of the first side X1 and the end face of the second axial side X2.

(4) In the above-described embodiment, the control device 5 has been described as an example in which the control device 5 is configured by a switch that supplies current to each of the coils C in one direction. However, without being limited to such a configuration, the control device 5 is configured by a switch with a current reversal function that can reverse the direction of the current flowing through each of the coils C and can turn on / off the current. May be. The switch with the current reversal function may be configured to reverse the direction of the magnetic field generated in the magnetic core MB by reversing the direction of the current flowing through the coil wound around the magnetic core MB. .

(5) In the above embodiment, the case where the driven portion 8 is configured by the magnet 6 and the magnetic body 7 has been described as an example. However, without being limited to such a configuration, the driven portion 8 only needs to be configured by one or both of the magnet 6 and the magnetic body 7, and may be configured by only the magnet 6. It may be constituted only by. For example, the driven part 8 may be configured by a U-shaped magnet 6. In addition, when the driven portion 8 is configured by a magnetic body 7 that is not a magnet, the driven portion 8 is attracted by the magnetic force generated in the magnetic core MB and moves in the axial direction X, but the repulsive force acts. do not do.

(6) In the above-described embodiment, the case where the magnetic pole arrangement direction Y is orthogonal to the axial direction X has been described as an example. However, the magnetic pole arrangement direction Y only needs to intersect the axial direction X without being limited to such a configuration. For example, the magnetic pole arrangement direction Y may be inclined with respect to the axial direction X and intersect. Also in this case, the plurality of magnetic cores MB are arranged along the axial direction X in a state where the two

magnetic poles

9 and 10 of the magnetic core MB are arranged in the magnetic pole arrangement direction Y.

(7) In the above-described embodiment, the meshing engagement device 2 is different from the first input dog gear DI1 that is drivingly connected to the electric motor MG via the first drive connecting mechanism 20 and the first drive connecting mechanism 20. A second input dog gear DI2 drivingly connected to the electric motor MG via a second drive connecting mechanism 21 having a gear ratio, an output dog gear DO drivingly connected to the output member O, a first input dog gear DI1, and a second input And a switching member 3 having a meshing portion that meshes with at least one of the dog gear DI2 and the output dog gear DO, and the first input dog gear DI1, the output from the first axial side X1 along the axial direction X. The case where the dog gear DO and the second input dog gear DI2 are arranged in this order has been described as an example. However, the meshing engagement device is not limited to such a configuration, and has a switching member 3 that switches the engagement state of the meshing engagement device. As long as the switching member 3 interlocked with is moved in the axial direction X and the state of engagement is switched, any configuration may be used. For example, the meshing engagement device may not have the second input dog gear DI2 but may have the first input dog gear DI1 and the output dog gear DO.

(8) In the above embodiment, the electromagnetic actuator 1 has been described as an example in which the magnetic actuator 1 includes the three magnetic cores MB. However, the configuration is not limited to such a configuration, and the electromagnetic actuator 1 may have a configuration including only two magnetic cores MB or a configuration including four or more magnetic cores MB.

(9) In the above embodiment, the magnetic pole extending direction Z, which is the direction in which the pair of magnetic

pole forming portions

13, 14 extends, is the direction along the radial direction of the meshing engagement device 2, and the magnetic pole extending The direction first side Z1 is a side toward the radially inner side, and the magnetic pole extension direction second side Z2 is a side toward the radially outer side, and is a direction in which the pair of

magnetic poles

9 and 10 are arranged. The case where Y is a direction along the circumferential direction of the meshing engagement device 2 has been described as an example. However, the present invention is not limited to such a configuration, and the magnetic pole extending direction Z and the magnetic pole can be used as long as the driven portion 8 and the switching member 3 are moved in the axial direction X by the electromagnetic force generated in the magnetic core MB. The arrangement direction Y may be arranged in any direction. For example, the magnetic pole extending direction Z may be a direction along the circumferential direction of the meshing engagement device 2, and the magnetic pole arrangement direction Y may be a direction along the radial direction of the meshing engagement device 2. In accordance with this arrangement, the shape of the fork 24 that connects the switching member 3 and the driven portion 8 is set.

(10) In the above embodiment, an example in which the electromagnetic actuator 1 is applied to an actuator that drives the switching member 3 of the meshing engagement device 2 has been described. However, the electromagnetic actuator 1 may be used for driving devices other than the meshing engagement device 2 without being limited to such a configuration. For example, the electromagnetic actuator 1 is preferably used for an actuator or the like that drives a valve body to perform valve switching.

4). Outline of Embodiment Hereinafter, an outline of an embodiment of the electromagnetic actuator (1) described above will be described.

The electromagnetic actuator (1) includes a plurality of magnetic cores (MB) around which coils (C) are wound, a control device (5) that controls energization of each of the coils (C), a magnet (6), And a driven part (8) configured by one or both of the magnetic body (7) and moving in the driving direction (X) by an electromagnetic force generated in the magnetic core (MB), and the magnetic core (MB) Each has a pair of magnetic poles (9, 10) having opposite polarities when energized to the coil (C), and these two magnetic poles (9, 10) cross the drive direction (X). Arranged in the arrangement direction (Y), the plurality of magnetic cores (MB) are arranged side by side along the drive direction (X), and the driven part (8) is connected to any one of the magnetic cores (MB). One arranged to face each of the pair of magnetic poles (9, 10) Having opposing portion (11, 12).

With such a configuration, the pair of magnetic poles (9, 10) of each magnetic core (MB) are arranged in the magnetic pole arrangement direction (Y) intersecting the driving direction (X), and the driven part (8) Since the pair of opposed portions (11, 12) are arranged to face the pair of magnetic poles (9, 10), a magnetic flux circuit passing through the magnetic core (MB) and the driven portion (8) is driven. It is formed along the magnetic pole arrangement direction (Y) crossing the direction (X). And the stop position of the driven part (8) is formed according to each position of the plurality of magnetic cores (MB) arranged side by side along the driving direction (X), and thereby the driven part (8 ) Is determined. That is, according to this characteristic configuration, the magnetic cores (MB) that define the reciprocating region of the driven portion (8) are compared with the case where the magnetic flux circuit is formed along the driving direction (X). The arrangement area in the driving direction (X) can be kept small. Therefore, the axial length of the entire electromagnetic actuator (1) with respect to the reciprocating amount of the driven portion (8) can be kept small.

Here, the driven part (8) is composed of a magnet (6) and a magnetic body (7) or a magnet (6), and the pair of opposing parts (11, 12) are magnetic poles having opposite polarities. It is preferable.

According to this configuration, a stronger magnetic force can be applied to the driven portion (8) than when the magnet (6) is not provided, and not only the attractive force but also the repulsive force is exerted on the driven portion (8). Force can also be applied. Therefore, the driven part (8) can be driven with a larger force.

Further, the control device (5) energizes the coil (C) so as to generate an attractive force for the driven portion (8) in the magnetic core (MB) to which the driven portion (8) is moved, It is preferable that the coil (C) is energized so that a repulsive force against the driven part (8) is generated in the magnetic core (MB) from which the driven part (8) is moved.

According to this configuration, it is possible to use both the attractive force by the moving magnetic core (MB) and the repulsive force by the moving magnetic core (MB). (8) can be moved in the driving direction (X).

Each of the magnetic cores (MB) includes two coils, a first coil (C1) and a second coil (C2), in which the directions of magnetic fields generated in the magnetic core (MB) are opposite to each other when energized. (C) is wound, and the control device (5) is configured to generate an attractive force or a repulsive force for the driven part (8) in each of the magnetic cores (MB). It is preferable to switch which of the first coil (C1) and the second coil (C2) is energized.

According to this configuration, for each of the magnetic cores (MB), only switching between energization of the first coil (C1) and energization of the second coil (C2) acts on the driven portion (8). A suction force and a repulsive force can be switched. Therefore, even when both the attractive force and the repulsive force are used, the control device (5) can be configured by a simple circuit such as a switch for controlling on / off of energization of each of the coils (C).

The driven portion (8) is made of a magnetic material,
The driven portion (8) is preferably attracted by the magnetic force generated in the magnetic core (MB) and moved in the driving direction (X).

According to this configuration, since the driven part (8) is made of a magnetic material, the structure of the driven part (8) can be simplified.

The magnetic pole arrangement direction (Y) is orthogonal to the driving direction (X), and each of the magnetic cores (MB) is magnetic pole extending direction (Z) orthogonal to the driving direction (X) and the magnetic pole arrangement direction (Y). And a pair of magnetic pole forming portions (13, 14) extending in the magnetic pole arrangement direction (Y) and connecting the pair of magnetic pole forming portions (13, 14). The surfaces of the magnetic pole forming portions (13, 14) facing each other are the magnetic poles (9, 10), and the driven portion (8) is the opposing portion forming portion (16, extending in the magnetic pole arrangement direction (Y)). 17), and both ends of the magnetic pole arrangement direction (Y) in the facing portion forming portions (16, 17) are preferably a pair of facing portions (11, 12).

According to this configuration, each of the opposed surfaces of the pair of magnetic pole forming portions (13, 14) extending in the magnetic pole extending direction (Z) is the magnetic pole (9, 10), and the driven portion (8) is opposed to each other. Both end portions in the magnetic pole arrangement direction (Y) in the portion forming portion (16, 17) are a pair of opposing portions (11, 12). Therefore, the driven part (8) can be arranged in a region sandwiched between the pair of magnetic pole forming parts (13, 14). Thereby, a magnetic flux circuit is appropriately formed by the magnetic core (MB) and the driven part (8), and the magnetic force can be efficiently applied from the magnetic poles (9, 10) to the opposing parts (11, 12). it can.

The magnetic pole arrangement direction (Y) is orthogonal to the driving direction (X), and each of the magnetic cores (MB) is magnetic pole extending direction (Z) orthogonal to the driving direction (X) and the magnetic pole arrangement direction (Y). And a pair of magnetic pole forming portions (13, 14) extending in the magnetic pole arrangement direction (Y) and connecting the pair of magnetic pole forming portions (13, 14). One end (Z1) of the magnetic pole extending direction (Z) in each of the magnetic pole forming portions (13, 14) is the magnetic pole (9, 10), and the driven portion (8) is the magnetic pole extending A pair of facing portion forming portions (16, 17) extending in the direction (Z), and a facing portion connecting portion (18) extending in the magnetic pole arrangement direction (Y) to connect the pair of facing portion forming portions (16, 17). , And a magnetic core (Z) in the magnetic pole extension direction (Z) in each of the pair of opposed portion forming portions (16, 17) End of B) side, it is preferable that are opposed portion (11, 12).

According to this configuration, the end on one side (Z1) of the magnetic pole extending direction (Z) in the magnetic pole forming portions (13, 14) extending in the magnetic pole extending direction (Z) is the magnetic pole (9, 10). Therefore, the magnetic force can be concentrated on the end portion on one side (Z1) in the magnetic pole extending direction (Z). Further, the other end (Z2) in the magnetic pole extending direction (Z) in the opposing portion forming portion (16, 17) extending in the magnetic pole extending direction (Z) is the opposing portion (11, 12). Therefore, the opposing portions (11, 12) can be opposed to the magnetic poles (9, 10) in the magnetic pole extending direction (Z). Therefore, a magnetic force can be efficiently applied from the magnetic poles (9, 10) to the facing portions (11, 12). Further, according to this configuration, the pair of magnetic pole forming portions (13, 14) and the pair of opposing portion forming portions (16, 17) are extended in the magnetic pole extending direction (Z), so that the electromagnetic actuator (1) Can be prevented from becoming longer in the magnetic pole arrangement direction (Y).

In addition, driving of the magnetic core (MB) disposed on the first side (X1) in the driving direction, which is one side of the driving direction (X), in the two magnetic cores (MB) adjacent in the driving direction (X). Driving direction second side (MB) of the magnetic core (MB) disposed on the driving direction second side (X2) opposite to the driving direction first side (X1) and the end surface of the direction first side (X1) It is preferable that the width of the driven part (8) in the driving direction (X) is shorter than the distance from the end face of X2).

According to this configuration, the width in the driving direction (X) of the driven part (8) is made shorter than the width in the driving direction (X) of two magnetic cores (MB) adjacent to the driving direction (X). Therefore, the control accuracy of the position in the driving direction (X) of the driven part (8) by the magnetic force generated in each magnetic core (MB) can be improved.

In addition, driving of the magnetic core (MB) disposed on the first side (X1) in the driving direction, which is one side of the driving direction (X), in the two magnetic cores (MB) adjacent in the driving direction (X). Driving direction first side of the magnetic core (MB) disposed on the driving direction second side (X2) opposite to the driving direction first side (X1) and the end surface of the direction first side (X1) ( It is preferable that the width of the driven part (8) in the driving direction (X) is shorter than the distance from the end face of X1).

According to this configuration, the width in the driving direction (X) of the driven part (8) is such that the end surfaces on the first side (X1) in the driving direction of the two magnetic cores (MB) adjacent in the driving direction (X). Therefore, the control accuracy of the position in the drive direction (X) of the driven part (8) by the magnetic force generated in each magnetic core (MB) can be further improved.

The driven portion (8) is configured to be interlocked with a switching member (3) that switches the engagement state of the meshing engagement device (2), and the drive direction (X) is the meshing engagement device. It is preferable that the direction is parallel to the rotational axis of (2).

According to this configuration, the electromagnetic actuator (1) causes the switching member (3) of the meshing engagement device (2) to move in the driving direction (the direction parallel to the rotational axis of the meshing engagement device (2)). X), the engagement state of the meshing engagement device (2) can be switched. In addition, as described above, each of the magnetic cores (MB) has a pair of magnetic poles (9, 10), and the pair of magnetic poles (9, 10) is a rotating shaft of the meshing engagement device (2). The magnetic poles are arranged in a magnetic pole arrangement direction (Y) that intersects the direction parallel to the center. Therefore, the magnetic core (MB) can be easily arranged in a partial region in the circumferential direction of the meshing engagement device (2). Therefore, the mountability of the electromagnetic actuator (1) to the meshing engagement device (2) can be improved.

The meshing engagement device (2) includes a first input dog gear (DI1) that is drivingly connected to the electric motor (MG) via the first drive connecting mechanism (20), and a first drive connecting mechanism (20). A second input dog gear (DI2) drivingly connected to the electric motor (MG) via a second drive connecting mechanism (21) having a transmission ratio different from that of the output dog gear (DI2) drivingly connected to the output member (O) ( DO) and a switching member (3) having a meshing portion that meshes with at least one of the first input dog gear (DI1), the second input dog gear (DI2), and the output dog gear (DO), and the drive direction The first input dog gear (DI1), the output dog gear (DO), and the second input dog gear (DI2) are arranged in this order along the drive direction (X) from the drive direction first side (X1) which is one side of (X). Drive direction first side (X ) From the first magnetic core (MB1), the second magnetic core (MB2), and the third magnetic core (MB3) in this order along the driving direction (X). The second magnetic core (MB2) has a central portion in the driving direction (X) of the driven portion (8) facing a central portion in the driving direction (X) of the second magnetic core (MB2). When in the position, it is preferable that the switching member (3) is disposed at a position in the driving direction (X) so as to mesh only with the output dog gear (DO).

According to this configuration, the driven part (8) and the switching member (3) are moved in the driving direction X by controlling energization to the coils of the three magnetic cores (MB) arranged in the driving direction X. The switching member (3) meshes with the first input dog gear (DI1) and the output dog gear (DO), the switching member (3) meshes only with the output dog gear (DO), and the switching member (3) is the second. The transmission state of the driving force can be switched between the state in which the input dog gear (DI2) and the output dog gear (DO) are engaged.

The meshing engagement device (2) includes an input dog gear that is drivingly connected to the electric motor (MG), an output dog gear (DO) that is drivingly connected to the output member (O), and an input dog gear and an output dog gear (DO). And a switching member (3) having a meshing portion that meshes with at least one of the control unit (5), and the control device (5) controls the energization to the coil (C), thereby controlling the driven portion (8). When the interlocking switching member (3) is moved in the driving direction (X), the switching member (3) is engaged with both the input dog gear and the output dog gear (DO). The control device (5) is configured to be able to execute a release control that shifts to a release state that meshes with one of the output dog gears (DO), and the control device (5) increases the rotation speed of the electric motor (MG) after performing the release control. Decrease When the rotational speed change control for controlling the output torque of the electric motor (MG) is performed and the output torque of the electric motor (MG) increases or decreases by a predetermined change amount or more by the rotational speed change control, an abnormality occurs. It is preferable to execute the hour first control.

Although the release control is executed for some reason, the switching member (3) does not shift to the state in which either the input dog gear or the output dog gear (DO) is engaged, and the input dog gear and the output dog gear (DO) There is a case where an abnormal state occurs in which both sides remain engaged. In this abnormal state, when the rotational speed change control is performed to control the output torque of the electric motor (MG) so as to increase or decrease the rotational speed of the electric motor (MG), the output torque of the electric motor (MG) is increased or decreased. Even if it is decreased, the rotational speed of the input dog gear does not change from the rotational speed of the output dog gear (DO), so the amount of increase or decrease in the output torque of the electric motor (MG) increases. According to the above configuration, the abnormal state can be detected when the output torque of the electric motor (MG) increases or decreases more than a predetermined determination change amount by the rotational speed change control. Control can be performed. Further, it is not necessary to provide a sensor or the like for detecting the position of the switching member (3) for detecting such an abnormal state, and the configuration can be simplified.

The meshing engagement device (2) includes an input dog gear that is drivingly connected to the electric motor (MG), an output dog gear (DO) that is drivingly connected to the output member (O), and an input dog gear and an output dog gear (DO). And a switching member (3) having a meshing portion that meshes with at least one of the control unit (5), and the control device (5) controls the energization to the coil (C), thereby controlling the driven portion (8). When the interlocking switching member (3) is moved in the driving direction (X), the switching member (3) is in the input dog gear from the release state where the switching member (3) meshes with either the input dog gear or the output dog gear (DO). In addition, the control device (5) is configured to be able to execute an engagement control for shifting to an engagement state that meshes with both of the output dog gear (DO) and the control device (5), after performing the engagement control, the output torque of the electric motor (MG). Torque control to control Was carried out, after the start of the torque control, when the rotational speed of the input Dogugiya and the rotational speed of the output Dogugiya (DO) does not match, it is preferable to perform the second control abnormality.

Although the engagement control is executed for some reason, the switching member (3) does not shift to a state in which both the input dog gear and the output dog gear (DO) are engaged, and either the input dog gear or the output dog gear (DO). An abnormal state may occur in which one of the two remains engaged. When torque control is executed in this abnormal state and the output torque of the electric motor (MG) is increased or decreased, the rotational speed of the input dog gear is increased or decreased relative to the rotational speed of the output dog gear (DO). According to the above configuration, after the torque control is started, when the rotational speed of the input dog gear does not match the rotational speed of the output dog gear (DO), an abnormal state can be detected, and the abnormal second control Can be executed. Further, it is not necessary to provide a sensor or the like for detecting the position of the switching member (3) for detecting such an abnormal state, and the configuration can be simplified.

The meshing engagement device (2) includes a first input dog gear (DI1) that is drivingly connected to the electric motor (MG) via the first drive connecting mechanism (20), and a first drive connecting mechanism (20). A second input dog gear (DI2) drivingly connected to the electric motor (MG) via a second drive connecting mechanism (21) having a transmission ratio different from that of the output dog gear (DI2) drivingly connected to the output member (O) ( DO) and a switching member (3) having a meshing portion that meshes with at least one of the first input dog gear (DI1), the second input dog gear (DI2), and the output dog gear (DO), and the drive direction The first input dog gear (DI1), the output dog gear (DO), and the second input dog gear (DI2) are arranged in this order along the drive direction (X) from the drive direction first side (X1) which is one side of (X). The control device (5) One of the one input dog gear (DI1) and the second input dog gear (DI2) is a dog gear before shifting, and the other of the first input dog gear (DI1) and the second input dog gear (DI2) is a dog gear after shifting to the coil (C). The switching member (3) interlocked with the driven portion (8) is moved in the driving direction (X) by controlling the energization of the driven portion (8), and the switching member (3) meshes with the pre-shifting dog gear and the output dog gear (DO). After performing the intermediate release control in which the switching member (3) shifts to the intermediate release state in which only the output dog gear (DO) is engaged from the pre-shift engagement state, the switching member (3) is moved from the intermediate release state to the post-shift dog gear and The shift control for performing the post-shift engagement control for shifting to the post-shift engagement state meshing with the output dog gear (DO) is configured to be executable, and the control device (5) performs the motor release after performing the intermediate release control. Rotational speed change control for controlling the output torque of the electric motor (MG) is performed so that the rotational speed of the post-shift dog gear connected to the motor (MG) approaches the rotational speed of the output dog gear (DO). When the output torque of the electric motor (MG) is increased or decreased by a change control to be greater than or equal to a predetermined determination change amount, the abnormality third control is executed, and the control device (5) performs post-shift engagement control. After that, the rotational speed change control is finished and the torque control is performed to control the output torque of the electric motor (MG). After the torque control is started, the rotational speed of the dog gear after the shift becomes the rotational speed of the output dog gear (DO). If they do not match, it is preferable to execute the abnormal fourth control.

According to this configuration, in order to shift from the pre-shifting shift state in which the rotation speed of the pre-shift dog gear matches the rotation speed of the output dog gear (DO) to the neutral state, the shift gear shifts to the post-shift shift state. Rotational speed change control is performed to bring the rotational speed of the rear dog gear closer to the rotational speed of the output dog gear (DO). However, although the neutral shift control is executed, the switching member (3) does not shift to a state in which it is engaged only with the output dog gear (DO) due to some factor, and both the dog gear before shifting and the output dog gear (DO) are shifted. There may be an abnormal condition that remains engaged. In this abnormal state, if rotational speed change control is performed to bring the rotational speed of the post-shift dog gear close to the rotational speed of the output dog gear (DO), even if the output torque of the electric motor (MG) is increased or decreased, the post-shift dog gear Since the rotational speed does not approach the rotational speed of the output dog gear (DO), the amount of increase or decrease in the output torque of the electric motor (MG) increases. According to the above configuration, an abnormal state can be detected when the output torque of the electric motor (MG) increases or decreases by a rotational speed change control to a value greater than or equal to a predetermined determination change amount. Control can be performed. Therefore, after changing from the pre-shifting shift state to the neutral state, using the rotational speed change control executed to shift to the post-shifting shift state, it is determined whether or not the shift state from the pre-shifting shift state to the neutral state. It is possible to determine and execute the abnormal third control.

In addition, after the shift member (3) is shifted to the post-shifting shift state in which the switching member (3) meshes with the post-shift dog gear and the output dog gear (DO) by the post-shift engagement control, torque control is executed, and the electric motor ( MG) output torque is transmitted. However, although the post-shift engagement control is executed, the switching member (3) does not shift to a state where both the post-shift dog gear and the output dog gear (DO) are engaged with each other due to some factor, and the output dog gear (DO) is not moved. An abnormal state may occur in which only the meshed state remains. When torque control is executed in this abnormal state and the output torque of the electric motor (MG) is increased or decreased, the rotational speed of the post-shift dog gear is increased or decreased relative to the rotational speed of the output dog gear (DO). According to the above configuration, after the torque control is started, when the rotational speed of the post-shift dog gear does not coincide with the rotational speed of the output dog gear (DO), an abnormal state can be detected. Control can be performed. Therefore, after shifting from the neutral state to the post-shifting shift state, using the torque control executed to transmit the output torque of the electric motor (MG) to the output member (O), the neutral shift state from the neutral state is performed. It is possible to determine whether or not the process has been shifted to, and execute the fourth control for abnormal times. Further, it is not necessary to provide a sensor or the like for detecting the position of the switching member (3) for detecting such an abnormal state, and the configuration can be simplified.

The technology according to the present disclosure can be suitably used for an electromagnetic actuator having a magnetic core around which a coil is wound.

1: Electromagnetic actuator 2: Engagement type engagement device 3: Switching member 5: Control device 6: Magnet 7: Magnetic body 8: Driven part 9, 10: A pair of magnetic poles 11 and 12: A pair of opposing parts 13 and 14: A pair of magnetic pole forming parts 16, 17: A pair of opposing part forming parts 20: First drive connecting mechanism 21: Second drive connecting mechanism 22: Rotating shaft C of the electric motor: Coil DI1: First input dog gear DI2: Second input Dog gear DO: Output dog gear MB: Magnetic core MG: Electric motor O: Output member W0: Drive direction width X of driven part: Axial direction X1: Axial direction first side (Axial direction one side)
X2: Second axial side (the other axial side)
Y: Magnetic pole arrangement direction Y1: Magnetic pole arrangement direction first side (one side of magnetic pole arrangement direction)
Y2: The second side in the magnetic pole arrangement direction (the other side in the magnetic pole arrangement direction)
Z: magnetic pole extending direction Z1: magnetic pole extending direction first side (one side of magnetic pole extending direction)
Z2: The second side in the magnetic pole extension direction (the other side in the magnetic pole extension direction)

Claims

A plurality of magnetic cores around which coils are wound, a control device for controlling energization of each of the coils, one or both of a magnet and a magnetic body, and driven by electromagnetic force generated in the magnetic core A driven part that moves in the direction,
Each of the magnetic cores has a pair of magnetic poles having opposite polarities when energized to the coil, and these two magnetic poles are arranged in a magnetic pole arrangement direction intersecting the driving direction,
The plurality of magnetic cores are arranged side by side along the driving direction,
The driven part is an electromagnetic actuator having a pair of facing parts arranged to face each of the pair of magnetic poles of any one of the magnetic cores.
The driven part is composed of a magnet and a magnetic material, or a magnet,
The electromagnetic actuator according to claim 1, wherein the pair of opposed portions are magnetic poles having opposite polarities.
The control device energizes the coil so as to generate an attractive force to the driven part in the magnetic core to which the driven part is moved, and the magnetic core from which the driven part is moved The electromagnetic actuator according to claim 1, wherein the coil is energized so as to generate a repulsive force against the driven portion.
Each of the magnetic cores is wound with two coils, a first coil and a second coil, in which directions of a magnetic field generated in the magnetic core by energization are opposite to each other,
The control device energizes either the first coil or the second coil depending on whether an attractive force or a repulsive force is generated with respect to the driven part in each of the magnetic cores. The electromagnetic actuator according to claim 3 which switches between.
The driven part is made of a magnetic material,
The electromagnetic actuator according to claim 1, wherein the driven portion is attracted by a magnetic force generated in the magnetic core and moves in the driving direction.
The magnetic pole arrangement direction is orthogonal to the driving direction,
Each of the magnetic cores includes a pair of magnetic pole forming portions extending in a magnetic pole extending direction orthogonal to the driving direction and the magnetic pole arranging direction, and a magnetic pole connection extending in the magnetic pole arranging direction and connecting the pair of magnetic pole forming portions. And
Each of the opposing surfaces of the pair of magnetic pole forming portions is the magnetic pole,
The driven portion has a facing portion forming portion extending in the magnetic pole arrangement direction,
The electromagnetic actuator according to any one of claims 1 to 5, wherein both end portions in the magnetic pole arrangement direction in the facing portion forming portion are the pair of facing portions.
The magnetic pole arrangement direction is orthogonal to the driving direction,
Each of the magnetic cores includes a pair of magnetic pole forming portions extending in a magnetic pole extending direction orthogonal to the driving direction and the magnetic pole arranging direction, and a magnetic pole connection extending in the magnetic pole arranging direction and connecting the pair of magnetic pole forming portions. And
One end of the magnetic pole extending direction in each of the pair of magnetic pole forming portions is the magnetic pole,
The driven part has a pair of opposing part forming parts extending in the magnetic pole extending direction and an opposing part connecting part extending in the magnetic pole arrangement direction and connecting the pair of opposing part forming parts,
6. The electromagnetic actuator according to claim 1, wherein an end portion on the magnetic core side in the magnetic pole extending direction in each of the pair of opposed portion forming portions is the opposed portion.
In the two magnetic cores adjacent to each other in the driving direction, an end face on the first driving direction side of the magnetic core disposed on the first driving direction side that is one side of the driving direction, and the driving direction first The width of the driven portion in the driving direction is shorter than the interval between the magnetic core disposed on the second side in the driving direction opposite to the one side and the end surface on the second side in the driving direction. The electromagnetic actuator according to any one of 1 to 7.
In the two magnetic cores adjacent to each other in the driving direction, an end face on the first driving direction side of the magnetic core disposed on the first driving direction side that is one side of the driving direction, and the driving direction first The width of the driven portion in the driving direction is shorter than the interval between the magnetic core disposed on the second side in the driving direction opposite to the one side and the end surface on the first side in the driving direction. The electromagnetic actuator according to any one of 1 to 8.
The driven portion is configured to be interlocked with a switching member that switches an engagement state of the meshing engagement device,
The electromagnetic actuator according to any one of claims 1 to 9, wherein the driving direction is a direction parallel to a rotation axis of the meshing engagement device.
The meshing engagement device includes a first input dog gear that is drive-coupled to the electric motor via the first drive coupling mechanism, and a second drive coupling mechanism that has a gear ratio different from that of the first drive coupling mechanism. A second input dog gear drivingly connected to the electric motor, an output dog gear drivingly connected to an output member, and a meshing portion that meshes with at least one of the first input dog gear, the second input dog gear, and the output dog gear. The switching member having
The first input dog gear, the output dog gear, and the second input dog gear are arranged in this order along the drive direction from the drive direction first side that is one side of the drive direction,
Three magnetic cores arranged in the order of the first magnetic core, the second magnetic core, and the third magnetic core along the driving direction from the first side in the driving direction,
In the second magnetic core, when the central portion of the driven portion in the driving direction is at a position facing the central portion of the second magnetic core in the driving direction, the switching member is connected to the output dog gear. The electromagnetic actuator according to claim 10, wherein the electromagnetic actuator is disposed at a position in the driving direction so as to mesh only.
The meshing engagement device includes the input dog gear that is drivingly connected to the electric motor, the output dog gear that is drivingly connected to the output member, and the meshing portion that meshes with at least one of the input dog gear and the output dog gear. A member, and
The control device controls the energization of the coil to move the switching member interlocked with the driven portion in the driving direction, and the switching member meshes with both the input dog gear and the output dog gear. From the engagement state, the switching member is configured to be able to execute a release control for shifting to a release state where the switching member meshes with either the input dog gear or the output dog gear.
After performing the release control, the control device performs rotational speed change control for controlling output torque of the electric motor so as to increase or decrease the rotational speed of the electric motor, and the electric speed is controlled by the rotational speed change control. The electromagnetic actuator according to claim 10 or 11, wherein the first control for abnormal time is executed when the output torque of the motor increases or decreases more than a predetermined determination change amount.
The meshing engagement device includes the input dog gear that is drivingly connected to the electric motor, the output dog gear that is drivingly connected to the output member, and the meshing portion that meshes with at least one of the input dog gear and the output dog gear. A member, and
The control device controls the energization to the coil to move the switching member interlocked with the driven portion in the driving direction, and the switching member is one of the input dog gear and the output dog gear. The switching control is configured to be able to execute an engagement control in which the switching member shifts to an engagement state in which the switching member meshes with both the input dog gear and the output dog gear.
The control device performs torque control for controlling the output torque of the electric motor after performing the engagement control, and after starting the torque control, the rotational speed of the input dog gear and the rotational speed of the output dog gear are The electromagnetic actuator according to any one of claims 10 to 12, wherein the second control for abnormality is executed when they do not match.
The meshing engagement device includes a first input dog gear that is drive-coupled to the electric motor via the first drive coupling mechanism, and a second drive coupling mechanism that has a gear ratio different from that of the first drive coupling mechanism. A second input dog gear drivingly connected to the electric motor, an output dog gear drivingly connected to an output member, and a meshing portion that meshes with at least one of the first input dog gear, the second input dog gear, and the output dog gear. The switching member having
The first input dog gear, the output dog gear, and the second input dog gear are arranged in this order along the drive direction from the drive direction first side that is one side of the drive direction,
The control device controls one of the first input dog gear and the second input dog gear as a pre-shift dog gear, the other of the first input dog gear and the second input dog gear as a post-shift dog gear, and controls energization to the coil. By moving the switching member interlocked with the driven part in the driving direction, the switching member is moved from the pre-shifting gear state in which the switching member meshes with the pre-shifting dog gear and the output dog gear, and the switching member is moved to the output dog gear. After performing the neutral shift control for shifting to the neutral state meshing only with the gear, the shift member performs the post-shift engagement control for shifting from the neutral state to the post-shift gear shift state in which the switching member meshes with the post-shift dog gear and the output dog gear. Configured to be able to perform control,
The control device controls the output torque of the electric motor so that the rotation speed of the post-shift dog gear that is drivingly connected to the electric motor approaches the rotation speed of the output dog gear after performing the neutral shift control. When the rotational speed change control is performed, and the output torque of the electric motor is increased or decreased by a predetermined determination change amount or more by the rotational speed change control, the abnormality third control is executed.
The control device, after performing the post-shift engagement control, performs the torque control for controlling the output torque of the electric motor by terminating the rotational speed change control, and after the start of the torque control, the post-shift dog gear The electromagnetic actuator according to any one of claims 10 to 13, wherein the abnormality fourth control is executed when the rotation speed of the output dog gear does not coincide with the rotation speed of the output dog gear.