CN218718834U

CN218718834U - Control valve with state feedback function

Info

Publication number: CN218718834U
Application number: CN202222771508.4U
Authority: CN
Inventors: 李赛威; 苏鹏
Original assignee: Hilite Automobile Technology Co ltd
Current assignee: Hilite Automobile Technology Co ltd
Priority date: 2022-10-20
Filing date: 2022-10-20
Publication date: 2023-03-24
Anticipated expiration: 2032-10-20

Abstract

The utility model provides a control valve with state feedback function has the control valve of state feedback function, the control valve with state feedback function includes the casing, sets up transmission assembly in the casing, be used for the drive arrangement of transmission assembly work, be used for detecting hall sensor, the part of drive arrangement work are moulded plastics and are in PIN needle in the casing, be equipped with the interface on the casing so that the one end of PIN needle is exposed in the interface, the other end of PIN needle certainly expose in the casing and with hall sensor electric connection. The utility model discloses a control valve with state feedback function has optimized the structure of product, has retrencied the quantity of spare part to control the cost, reduced the volume, alleviateed weight, enlarged the application scene.

Description

Control valve with state feedback function

Technical Field

The utility model relates to a control valve with state feedback function.

Background

The existing method for detecting the real-time running state of the electronic control valve for the vehicle is completed by integrating electronic components such as a PCBA (printed circuit board assembly) plate, a Hall sensor and the like in a stator coil of the control valve. The working mode is that the corresponding high and low electric frequencies are generated by inducing the change of the rotating magnetic poles of the permanent magnet rotor, so as to monitor the working state (such as opening position and locked rotor) of the electronic control valve. However, the product housing integrated with the PCBA is bulky, heavy, costly, and complex.

In view of the above, there is a need for an improved control valve to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a control valve with state feedback function to solve current automobile-used electronic control valve and lead to the technology complicated because of integrated PCBA board and hall sensor, the problem that the cost improves.

In order to achieve the above object, the utility model provides a control valve with state feedback function, control valve with state feedback function includes the casing, sets up transmission assembly in the casing, be used for the drive arrangement of transmission assembly work, be used for detecting hall sensor, the part of drive arrangement work are moulded plastics PIN needle in the casing, be equipped with the interface on the casing so that the one end of PIN needle is exposed in the interface, the other end of PIN needle certainly expose in the casing and with hall sensor electric connection.

As a further improvement of the present invention, the driving device includes a rotor disposed in the housing, a coil for driving the rotor, and the hall sensor is used for detecting a change of a magnetic pole of the rotor.

As a further improvement of the present invention, the housing includes a first housing having a cylindrical shape, and a second housing extending radially outward from the periphery of the first housing, and the coil is disposed in the second housing.

As a further improvement of the present invention, the insertion port is radially disposed on one side of the second housing.

As a further improvement of the utility model, the transmission component comprises a nut arranged in the shell, and a screw rod which passes through the nut and is opposite to the nut in rotation.

As a further improvement of the present invention, the driving device includes a connecting plate for connecting the rotor and the screw.

As a further improvement, the second casing upwards is formed with the holding piece along axial one end, the control valve with state feedback function is still including acceping the lid, it encloses to establish to form and accepts the chamber to accept lid, holding piece and first casing, hall sensor sets up it is in to accept the intracavity.

As a further improvement of the present invention, the control valve with the state feedback function further comprises a fixing bracket disposed in the accommodating cavity, and the hall sensor is fixedly connected to the fixing bracket.

As a further improvement of the utility model, the PIN certainly the protruding extension of one end of holding the piece with hall sensor electric connection, hold the lid with hold the piece and support and hold, just it is in along radial setting to hold the lid the PIN is kept away from one side in casing axle center.

As a further improvement, the tip of first casing is inwards sunken to be formed with the accepting groove, the control valve with state feedback function still includes the fixed bolster, hall sensor with the fixed bolster sets up in the accepting groove.

As a further improvement of the present invention, the control valve with the state feedback function further includes a protective cover, the protective cover is used for closing the accommodating groove along the axial direction and the first housing.

As a further improvement of the present invention, the control valve with the state feedback function further includes a sealing ring and a sleeve disposed in the housing, the nut and the screw rod are disposed in the sleeve, the protective cover is used for sealing the sleeve, and the sealing ring is disposed between the sleeve and the second housing.

As a further improvement of the present invention, the first housing is recessed downward to form an installation portion, the axis of the first housing is far away from the one side, and the protection cover is inserted in the axial direction into the installation portion, so as to fix the first housing.

As a further improvement of the present invention, the hall sensor is radially disposed outside the rotor, and radially spaced apart from the rotor by a distance less than or equal to 5mm.

As a further improvement of the present invention, the hall sensor coincides at least in part along the radial projection with the coil along the radial projection.

As a further improvement, the control valve with the state feedback function further comprises a control element and a connector, the connector is in plug-in fit with the plug port, so as to electrically connect the PIN and the control element.

The utility model has the advantages that: the utility model discloses a control valve with state feedback function, through setting hall sensor with the PIN needle for the control valve with state feedback function can adopt vehicle mounted terminal to control, has saved and has integrateed the PCBA board, under the function that satisfies drive and running state process monitoring, has optimized the structure of product, has retrencied the quantity of spare part, thereby has controlled the cost, has reduced the volume, has alleviateed weight, has enlarged application scene.

Drawings

Fig. 1 is a schematic structural diagram of a control valve with a state feedback function according to a first embodiment of the present invention;

fig. 2 is a schematic cross-sectional structural view of a control valve with a state feedback function according to a first embodiment of the present invention;

fig. 3 is a schematic structural diagram of a control valve with a state feedback function according to a second embodiment of the present invention;

fig. 4 is a schematic cross-sectional structure diagram of a control valve having a state feedback function according to a second embodiment of the present invention.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

As shown in fig. 1 to 4, the utility model discloses a control valve 100 with state feedback function is in including enclosing casing 1, the setting that establishes formation installation cavity 11 transmission assembly in the installation cavity 11, being used for the drive arrangement 4 of transmission assembly work, being used for detecting hall sensor 5 of drive arrangement 4 work, being used for fixing hall sensor 5's fixed bolster 6, part are moulded plastics and are in PIN needle 7, the setting in the casing 1 is in sleeve pipe 9, sealing washer 10, control and the connector in the installation cavity 11.

The transmission assembly comprises a nut 2 arranged in the shell 1 and a screw rod 3 which penetrates through the nut 2 and rotates relative to the nut 2.

The driving device 4 includes a rotor 41 disposed in the mounting cavity 11, a connecting plate 42 disposed in the mounting cavity 11 for connecting the rotor 41 and the screw rod 3, and a coil 43 for driving the rotor 41 and the connecting plate 42 to rotate. The installation cavity 11 is formed by the surrounding of the sleeve 9.

The nut 2, the screw 3, the rotor 41 and the connecting plate 42 are disposed in the sleeve 9, and further, the rotor 41 radially abuts against the sleeve 9.

The housing 1 includes a first cylindrical housing 12, a second cylindrical housing 13 extending radially outward from the periphery of the first cylindrical housing 12, and the coil 43 is disposed in the second cylindrical housing 13. The first housing 12 and the second housing 13 are integrally injection-molded.

The second housing 13 radially abuts against the sleeve 9, i.e. the sleeve 9 is held between the second housing 13 and the rotor 41.

The sealing ring 10 is arranged between the sleeve 9 and the second shell 13 and at one end far away from the hall sensor 5, and the sealing ring 10 can prevent dust and liquid from entering the installation cavity 11.

The shell 1 is provided with a socket 14, so that one end of the PIN 7 is exposed in the socket 14, and the other end of the PIN 7 is exposed from the shell 1 and electrically connected with the Hall sensor 5. In this embodiment, the socket 14 is radially disposed on one side of the second housing 13. The PIN 7 is arranged in a bent mode, and the part arranged in the insertion port 14 extends along the radial direction and extends along the axial direction exposed from the shell 1.

The hall sensor 5 is arranged at the outer side of the rotor 41 along the radial direction, and the distance between the hall sensor 5 and the rotor 41 is less than or equal to 5mm, so that the detection effect is improved. The hall sensor 5 projection in the radial direction at least partially coincides with the projection of the coil 41 in the radial direction, so that the detection is not interrupted.

The connector is matched with the socket 14 in an inserting manner so as to be electrically connected with the PIN needle and the control element. The control member may be a PCBA or any device capable of receiving the hall sensor 5 signal. The control valve 100 with the state feedback function is applied to a runner plate integration or air conditioning system, a vehicle-mounted air conditioner controller drives a coil 43 to enable the rotor 41 to rotate, the hall sensor 5 monitors the magnetic pole change of the rotor 41 to generate corresponding high and low levels, and the high and low level signals are fed back to the vehicle-mounted air conditioner controller to judge the running state of the control valve 100 with the state feedback function. The hall sensor 5 is configured to detect a change in magnetic pole of the rotor 41. The Hall sensor 5 is electrically connected with the PIN 7 so as to transmit the detected signal.

The utility model discloses according to hall sensor 5's position difference provides following two kinds of embodiments.

The first embodiment is as follows:

as shown in fig. 1 and 2, in the present embodiment, a receiving member 131 is formed upward at one end of the second housing 13 in the axial direction, the control valve 100 with the state feedback function further includes a receiving cover 132, the receiving member 131 and the first housing 12 are enclosed to form a receiving cavity 133, and the hall sensor 5 and the fixed bracket 6 are disposed in the receiving cavity 133.

The hall sensor 5 and the fixing bracket 6 are fixedly connected in the accommodating cavity 133.

The PIN 7 protrudes from one end of the accommodating member 131 to be electrically connected to the hall sensor 5.

The receiving cover 132 is fixedly connected with the receiving member 131 and the first housing 12 by welding. The accommodating cover 132 abuts against the accommodating part 131, and the accommodating cover 132 is radially disposed on a side of the PIN away from the axis of the housing 1.

Example two:

as shown in fig. 3 and 4, in the present embodiment, an end portion of the first housing 12 is recessed inward to form a receiving groove 121, and a side away from the axis is recessed downward to form a mounting portion 123, and the hall sensor 5 and the fixing bracket 6 are disposed in the receiving groove 121.

The control valve 100 with the state feedback function further includes a protective cover 122, and the protective cover 122 is configured to axially close the receiving groove 121 and the mounting cavity 11. The protective cover 122 is used to enclose the cannula 9. The protective cover 122 is axially inserted into the mounting portion 123 to be fixed to the first housing 12.

The protective cover 122 is fixed to the housing 1 by welding.

The utility model discloses a control valve 100 with state feedback function, through hall sensor 5 with 7 electric connection of PIN needle for control valve 100 with state feedback function can adopt vehicle mounted terminal to control, has saved and has integrateed the PCBA board, under the function that satisfies drive and running state process monitoring, has optimized the structure of product, has retrencied the quantity of spare part, thereby has controlled the cost, has reduced the volume, has alleviateed weight, has enlarged the application scene.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the concept of the present invention, several variations and modifications can be made, which all fall within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A control valve with state feedback function, characterized in that: the control valve (100) with the state feedback function comprises a shell (1), a transmission assembly arranged in the shell, a driving device (4) used for driving the transmission assembly to work, a Hall sensor (5) used for detecting the work of the driving device (4), and a PIN needle partially injected in the shell (1), wherein a plug port (14) is formed in the shell (1) so that one end of the PIN needle (7) is exposed in the plug port (14), and the other end of the PIN needle (7) is exposed in the shell (1) and electrically connected with the Hall sensor (5).

2. The control valve with state feedback function according to claim 1, characterized in that: the driving device (4) comprises a rotor (41) arranged in the shell (1) and a coil (43) used for driving the rotor (41) to rotate, and the Hall sensor (5) is used for detecting the change of the magnetic pole of the rotor (41).

3. The control valve with state feedback function according to claim 2, characterized in that: the shell (1) comprises a first columnar shell (12) and a second shell (13) extending outwards from the periphery of the first shell (12) in the radial direction, and the coil (43) is arranged in the second shell (13).

4. The control valve with state feedback function according to claim 3, characterized in that: the plug-in port (14) is arranged on one side of the second shell (13) along the radial direction.

5. The control valve with state feedback function according to claim 4, characterized in that: the transmission assembly comprises a nut (2) arranged in the shell (1) and a screw rod (3) which penetrates through the nut (2) and rotates relative to the nut (2).

6. The control valve with state feedback function according to claim 5, characterized in that: the drive device (4) comprises a connecting plate (42) for connecting the rotor (41) and the screw (3).

7. The control valve with state feedback function according to claim 3, characterized in that: the second shell (13) is upwards formed with an accommodating part (131) along one axial end, the control valve (100) with the state feedback function further comprises an accommodating cover (132), the accommodating part (131) and the first shell (12) are arranged in a surrounding mode to form an accommodating cavity (133), and the Hall sensor (5) is arranged in the accommodating cavity (133).

8. The control valve with state feedback function according to claim 7, characterized in that: the control valve (100) with the state feedback function further comprises a fixed support (6) arranged in the accommodating cavity (133), and the Hall sensor (5) is fixedly connected with the fixed support (6).

9. The control valve with state feedback function according to claim 7, characterized in that: the PIN (7) protrudes from one end of the accommodating piece (131) to be electrically connected with the Hall sensor (5), the accommodating cover (132) is abutted against the accommodating piece (131), and the accommodating cover (132) is arranged on one side, away from the axis of the shell (1), of the PIN (7) in the radial direction.

10. The control valve with state feedback function according to claim 5, characterized in that: an accommodating groove (121) is formed in the end portion of the first shell (12) in an inwards recessed mode, the control valve (100) with the state feedback function further comprises a fixing support (6), and the Hall sensor (5) and the fixing support (6) are arranged in the accommodating groove (121).

11. The control valve with state feedback function according to claim 10, characterized in that: the control valve (100) with the state feedback function further comprises a protective cover (122), wherein the protective cover (122) is used for axially closing the accommodating groove (121) and the first shell (12).

12. The control valve with state feedback function according to claim 11, characterized in that: the control valve (100) with the state feedback function further comprises a sealing ring (10) and a sleeve (9) arranged in the shell (1), the nut (2) and the screw (3) are arranged in the sleeve (9), the protective cover (122) is used for sealing the sleeve (9), and the sealing ring (10) is arranged between the sleeve (9) and the second shell (13).

13. The control valve with state feedback function according to claim 11, characterized in that: one side of the first shell (12) far away from the axis is downwards sunken to form a mounting part (123), and the protective cover (122) is axially inserted into the mounting part (123) to be fixed with the first shell (12).

14. The control valve with state feedback function according to claim 2, characterized in that: the Hall sensor (5) is arranged on the outer side of the rotor (41) along the radial direction, and the distance between the Hall sensor and the rotor is less than or equal to 5mm along the radial direction.

15. The control valve with state feedback function according to claim 2, characterized in that: the Hall sensor (5) has a radial projection which at least partially coincides with the radial projection of the coil (43).

16. The control valve with state feedback function according to claim 1, characterized in that: the control valve (100) with the state feedback function further comprises a control element and a connector, wherein the connector is in plug-in fit with the plug interface (14) to be electrically connected with the PIN needle (7) and the control element.