CN117318344A

CN117318344A - Combined motor

Info

Publication number: CN117318344A
Application number: CN202311051067.3A
Authority: CN
Inventors: 欧阳兆昌
Original assignee: Zhuhai Sv Tech Co ltd
Current assignee: Zhuhai Sv Tech Co ltd
Priority date: 2023-08-18
Filing date: 2023-08-18
Publication date: 2023-12-29
Anticipated expiration: 2043-08-18
Also published as: CN117318344B

Abstract

The invention discloses a combined motor, which comprises a body, a rotor and at least two stators, wherein the rotor comprises a magnetic ring and a rotating shaft fixed at the center of the magnetic ring, the magnetic ring is rotationally connected to the body through the rotating shaft, the at least two stators are detachably arranged on the body and are arranged along an annular path of the magnetic ring, and the stators are wound with coils which are used for driving the magnetic ring to rotate. The stator of this application can in time carry out the part as required and dismantle, effectively changes motor power, reduces the loss of magnetic field and energy, and the rotor has increased the utilization efficiency of magnetic field with the form of magnetic sheet, has practiced thrift manufacturing cost, and the directionality of the magnetic field of the stator of rotor is strong, the magnetic field that can make full use of produce, improves motor power.

Description

Combined motor

Technical Field

The application relates to the technical field of motors, in particular to a combined motor.

Background

The motor is widely applied to various aspects of production and life as a mature electronic device, the traditional motor comprises a permanent magnet stator and a rotor of a winding coil rotating in the center, the motor is provided with a brush to switch the current direction along with the rotation of the rotor, compared with the traditional motor, the brushless motor has remarkable advantages, no matter the motor is an external rotor motor or an internal rotor motor, the brushless motor does not need the structure of the brush, the electromagnet is selectively controlled to be switched on or off to drive the rotor through an external controller, no abrasion is generated, the rotation process is very linear, and the service life is longer.

However, the existing brushless motor has the following defects that in some driving scenes, different requirements of high-power and low-power driving exist for the motor, the existing motor is difficult to quickly and conveniently disassemble part of the stator according to actual requirements, the power of the motor is effectively reduced, the energy loss is reduced, the waste of magnetic field and energy is often caused, the effective power of the motor is lower, moreover, the magnetic field of the common magnet of the traditional magnetic field does not have the projective performance, and the waste of the magnetic field and the cost is also often caused.

There is therefore a need for a combined motor that solves the above problems.

Disclosure of Invention

The invention provides a combined motor, which mainly aims to solve the problems that the existing brushless motor cannot adjust the number of stators according to different driving requirements, magnetic field and energy are wasted, the effective power is low and the magnetic field does not have projective performance.

In order to achieve the above purpose, the invention adopts the following technical scheme:

the embodiment of the application provides a combined motor, including body, rotor and two at least stators, the rotor includes the magnetic ring and is fixed in the pivot at magnetic ring center, the magnetic ring pass through the pivot rotate connect in the body, two at least stator detachably install in the body and follow the annular path of magnetic ring is arranged, the stator winding has the coil, the coil is used for the drive the magnetic ring rotates.

Under some possible embodiments, the body includes upper cover and lower cover, the pivot be located between upper cover and the lower cover, and respectively perpendicular rotation connect in upper cover with the lower cover, the anchor ring of magnetic ring is on a parallel with upper cover with the lower cover, the lower surface of upper cover with the upper surface of lower cover is equipped with the spout that upper and lower one-to-one corresponds at least two sets of extension route directional pivot, the upper and lower both ends of stator are equipped with the slider, at least two the stator accessible both ends the slider card respectively in upper and lower two correspond the spout, and around the outside of magnetic ring.

In some possible embodiments, the magnetic ring includes a central ring portion and a plurality of magnetic sheets which are staggered and symmetrically arranged at the outer side of the central ring portion, magnetic poles of two adjacent magnetic sheets facing outwards are opposite, and the coil drives the magnetic ring to rotate by driving the magnetic sheets.

In some possible embodiments, the body further comprises a sidewall assembly, the upper cover and the lower cover are provided with a plurality of mounting openings along edges, the sidewall assembly is fixed to the mounting openings along edges of the upper cover and the lower cover, and the rotor and the stator are wrapped inside the body.

In some possible embodiments, each stator includes a semicircular ring part and at least one winding mechanism protruding from an outer ring surface of the semicircular ring part, the coil is wound on the winding mechanism, the sliding blocks are arranged at two ends of the semicircular ring part, the semicircular ring part is arranged behind the body, the magnetic ring is located at a ring center of the semicircular ring part, and a winding central axis of the coil points to the magnetic ring.

In some possible embodiments, at least two of the semi-circular ring members are arranged axially symmetrically along the annular path of the magnetic ring centered on the rotational axis.

In some possible embodiments, the positions where the sliding groove and the sliding block are contacted are provided with contacts, each coil is electrically connected to the corresponding contact of the corresponding semicircular piece, and when the semicircular piece is clamped into the sliding groove through the sliding block, an external power supply can supply power to the coil through the contacts.

In some possible embodiments, the number of semi-circular ring shaped members is an even number.

Compared with the prior art, the invention at least comprises the following beneficial effects:

the embodiment of the application provides a combined motor, the stator can in time carry out the part as required and dismantle, effectively changes motor power, reduces the loss of magnetic field and energy, and the rotor has increased the utilization efficiency of magnetic field with the form of magnetic sheet, has practiced thrift manufacturing cost, and the directionality of the magnetic field of the stator of rotor is strong, can make full use of the magnetic field that produces, improves motor power.

Drawings

The invention will be further described with reference to the accompanying drawings, in which embodiments do not constitute any limitation of the invention, and other drawings can be obtained by one of ordinary skill in the art without inventive effort from the following drawings.

FIG. 1 is a schematic illustration of one embodiment of the present invention with a sidewall assembly removed.

FIG. 2 is a schematic diagram of the entirety of one embodiment of the present invention.

FIG. 3 is a schematic view of an embodiment of the present invention with the upper cover and sidewall assembly removed.

Fig. 4 is a schematic view of a rotor according to an embodiment of the present invention.

Fig. 5 is a schematic view of a stator according to an embodiment of the present invention.

Fig. 6 is a schematic view of an upper and lower cover of an embodiment of the present invention.

Detailed Description

The following description of the embodiments of the present invention will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the invention are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but are intended to be part of the specification where appropriate.

In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.

The applicant finds that aiming at the technical field of motors, the current brushless motor cannot adjust the number of stators according to different driving requirements, so that the problems of magnetic field and energy waste and low effective power are generated.

In view of this, referring to fig. 1 to 6, the present embodiment provides a combined motor, including a body 1, a rotor 2 and at least two stators 3, the rotor 2 mainly includes a magnetic ring 4 and a rotating shaft 5 fixed at the center of the magnetic ring 4, the magnetic ring 4 can be rotationally connected to the body 1 through the rotating shaft 5, the magnetic poles of the magnetic ring 4, which are outward along a circular path, are staggered, at least two stators 3 are arranged along the circular path of the magnetic ring 4, the stators 3 are wound with coils 16, an external controller controls the on-off of current in real time at the coils 16 of different stators 3 to drive the rotor 2, which are staggered, to rotate, and it is noted that the stators 3 of the combined motor are detachable, and the stators 3 are detached or installed timely as required, so as to realize maximized effective power, and save magnetic fields and energy.

In some embodiments, as shown in fig. 1, the body 1 of the combined motor includes an upper cover 6 and a lower cover 7, the rotating shaft 5 of the rotor 2 is located between the upper cover 6 and the lower cover 7 and is respectively connected to the upper cover 6 and the lower cover 7 in a vertical rotating manner, the top of the rotating shaft 5 is convexly arranged above the upper cover 6 to serve as a driving shaft, and the ring surface of the magnetic ring 4 is parallel to the upper cover 6 and the lower cover 7. At least two groups of sliding grooves 8, corresponding to each other vertically, of extension paths are arranged on the lower surface of the upper cover 6 and the upper surface of the lower cover 7 and are directed to the rotating shaft 5, sliding blocks 9 are arranged at the upper end and the lower end of the stator 3, the stator 3 can be respectively clamped into the upper sliding groove 8 and the lower sliding groove 8 through the sliding blocks 9 at the two ends to drive the rotor 2, the depth of the stator 3 clamped into the sliding grooves 8 is limited, the magnetic ring 4 cannot be touched, and a plurality of stators 3 are uniformly clamped into the sliding grooves 8 and then uniformly surround the outer side of the magnetic ring 4.

In some embodiments, as shown in fig. 4, the magnetic ring 4 includes a central ring portion 10, and a plurality of magnetic sheets 11 are disposed on the outermost ring of the central ring portion 10, in this embodiment, 24 magnetic sheets 11 are provided, and the magnetic poles of any two adjacent magnetic sheets 11 are opposite to each other, that is, the magnetic poles of the side close to the stator 3 are opposite to each other, and the coil 16 drives the magnetic sheet 11 to rotate after being electrified, so as to drive the whole magnetic ring 4.

In some embodiments, as shown in fig. 2, the body 1 further includes a sidewall assembly 12, the upper cover 6 and the lower cover 7 are provided with a plurality of mounting openings 13 along the edges, the sidewall assembly 12 can be fixed to the mounting openings 13 along the edges of the upper cover 6 and the lower cover 7 by screws, and the rotor 2 and the stator 3 are wrapped inside the body 1, the sidewall assembly 12 plays a role of isolating the inside and the outside of the motor, and the sidewall assembly 12 can be disassembled conveniently and rapidly when the stator 3 needs to be disassembled.

In some embodiments, each stator 3 includes a semicircular ring part 14 and at least one winding mechanism 15 protruding from an outer ring surface of the semicircular ring part 14, as shown in fig. 5, in this embodiment, 6 winding mechanisms 15 are disposed on an outer side of one semicircular ring part 14, and coils 16 are sequentially wound around the winding mechanisms 15, and in particular, the motor power can be adjusted by changing the number of winding mechanisms 15 of each semicircular ring part 14 or the number of turns of the coils 16 of each winding mechanism 15. The slider 9 for clamping into the chute 8 is convexly arranged at the outer ends of the winding mechanisms 15 at the two ends, when the semicircular piece 14 is clamped into the chute 8 at the deepest position, the magnetic ring 4 is just positioned at the center of the semicircular piece 14, and the non-contact rotation can be realized at a distance closer to the stator 3, and at the moment, the central axis of the winding of the coil 16 of any winding mechanism 15 on any semicircular piece 14 points to the magnetic ring 4, so that the optimal magnetic field utilization efficiency is realized.

In some embodiments, the semicircular ring parts 14 are axially symmetrically arranged along the annular path of the magnetic ring 4 with the rotating shaft 5 as the center, and the symmetrically arranged semicircular ring parts 14, namely the stator 3, can enable the rotation stability of the rotor 2 to be better, and particularly, when the stator 3 is disassembled, the disassembly is also performed according to the symmetry principle, so that the rotation irregularity caused by the asymmetry is avoided.

In some embodiments, contacts are arranged at the positions of each chute 8 of the upper cover 6 and the lower cover 7, the upper sliding block 9 and the lower sliding block 9 of the coil 16 are also provided with contacts which are contacted with the contacts of the upper cover 6 and the lower cover 7, the coil 16 of each semicircular ring part 14 is electrically connected with the corresponding contacts of the semicircular ring part 14 where the coil 16 is positioned, when the semicircular ring part 14 is dismounted or mounted, the coil 16 is communicated with an external power supply through the contacts, an external controller can control the on-off of the coil 16, in addition, after the coil 16 is dismounted or mounted, the controller can not need to change the strategy of energizing the coil 16 according to the clockwise or anticlockwise path, and the like, the current cannot be conducted when passing through the contacts without the stator 3, and the power waste cannot be caused.

In some embodiments, the number of the semicircular ring parts 14 is even, the semicircular ring parts 14 with odd numbers cannot keep central axis symmetry after the stator 3 is disassembled, and the operation is not smooth, in particular, the number of the magnetic sheets 11 on the magnetic ring 4 is also even, so that central symmetry is ensured.

The above examples illustrate only one embodiment of the invention, which is described in more detail and is not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.

Claims

1. The combined motor is characterized by comprising a body, a rotor and at least two stators, wherein the rotor comprises a magnetic ring and a rotating shaft fixed at the center of the magnetic ring, the magnetic ring is rotationally connected with the body through the rotating shaft, the at least two stators are detachably arranged on the body and are arranged along an annular path of the magnetic ring, and the stators are wound with coils which are used for driving the magnetic ring to rotate.

2. The combined motor as claimed in claim 1, wherein the body comprises an upper cover and a lower cover, the rotating shaft is located between the upper cover and the lower cover and is respectively and vertically connected to the upper cover and the lower cover in a rotating manner, the ring surface of the magnetic ring is parallel to the upper cover and the lower cover, at least two sets of sliding grooves with extending paths corresponding to each other vertically are arranged on the lower surface of the upper cover and the upper surface of the lower cover and are directed to the rotating shaft, sliding blocks are arranged at the upper end and the lower end of the stator, and at least two stators can be respectively clamped into the sliding grooves corresponding to each other through the sliding blocks at the two ends and surround the outer sides of the magnetic ring.

3. A combined motor as claimed in claim 2, wherein said magnetic ring comprises a central ring portion and a plurality of magnetic sheets which are arranged at intervals and symmetrically outside said central ring portion, magnetic poles of adjacent two of said magnetic sheets on the outward side are opposite, and said coil drives said magnetic ring to rotate by driving said magnetic sheets.

4. A combination motor as set forth in claim 2 wherein said body further includes side wall assemblies, said upper and lower covers being provided with mounting openings along edges thereof, said side wall assemblies being secured to said mounting openings along edges thereof and wrapping said rotor and stator within said body.

5. The combination motor of claim 2, wherein each of said stators comprises a semicircular ring member and at least one winding mechanism protruding from an outer circumferential surface of said semicircular ring member, said coil is wound around said winding mechanism, said slider is provided at both ends of said semicircular ring member, said semicircular ring member is mounted on said body, said magnetic ring is located at a center of said semicircular ring member, and a winding center axis of each coil of said winding mechanism is directed toward said magnetic ring.

6. A combination motor as set forth in claim 5, wherein at least two of said semicircular ring members are disposed axially symmetrically along the annular path of said magnetic ring about said axis of rotation.

7. A combination motor as claimed in claim 5, wherein said slide and said slider are provided with contacts at respective locations thereof, each of said coils being electrically connected to a corresponding one of said contacts of said semicircular ring member, and an external power source being operable to supply power to said coils through said contacts when said semicircular ring member is engaged in said slide via said slider.

8. A combination motor as set forth in claim 6 wherein said number of semi-circular ring members is an even number.