CN209896798U

CN209896798U - Stator module and outer rotor motor using same

Info

Publication number: CN209896798U
Application number: CN201920667291.8U
Authority: CN
Inventors: 梁三增; 张建聪; 路士腾; 朱金成
Original assignee: Zhongshan Broad Ocean Motor Co Ltd
Current assignee: Zhongshan Broad Ocean Motor Co Ltd
Priority date: 2019-05-10
Filing date: 2019-05-10
Publication date: 2020-01-03
Anticipated expiration: 2029-05-10

Abstract

The utility model discloses a stator module and an external rotor motor using the same, which comprises a stator core, an end insulation coil winding, a temperature controller and a wiring board, wherein the stator core comprises a yoke part and a tooth part, the stator core is wound with the coil winding, the wiring board is positioned at the end part of the coil winding at one end of the stator core, a mounting sleeve is arranged in the middle of the end insulation, the bottom of the mounting sleeve extends out of the insulation yoke part, the edge of the insulation yoke part is protruded with a plurality of insulation tooth parts along the circumferential direction at intervals, the end insulation yoke part with the end insulation is mounted in a matching way with the yoke part of the stator core, the end insulation tooth part with the end insulation is mounted in a matching way with the tooth part of the stator core, at least one insulation tooth part of the plurality of insulation tooth parts is provided with a spacing post, after the coil winding, the end height of the stator winding is effectively reduced, and the process operation difficulty that a fixed temperature controller needs to be placed in the winding process is avoided.

Description

Stator module and outer rotor motor using same

The technical field is as follows:

the utility model relates to a stator module and external rotor electric machine who uses thereof.

Background art:

the existing motor is mostly a dipolar motor, and the problem of high end height of a winding stator is more obvious because the volume of the motor is smaller. If the conventional mode for placing the temperature controller is continuously used, after the secondary winding is wound on the stator, the temperature controller is placed, then the main winding is wound, the temperature controller is extruded and wrapped between the main winding and the secondary winding, then the winding stator is shaped, only small pressure can be used, and the temperature controller can be irreversibly damaged if the pressure is large; if the small pressure is used for shaping, the shaping effect is not obvious, and the height of the winding end cannot be effectively reduced. Therefore, the end height of the stator assembly is increased invisibly, and the structural space of the motor is not saved. And the temperature controller is fixed by the interphase insulating adhesive tape after the auxiliary wire is wound, and then the wire is wound, so that the temperature controller is not firmly fixed, and the wire winding process may move due to stress.

In order to solve the problems of high end of a motor winding with a small number of poles and how to place and fix a temperature controller in the winding process of the motor, a novel windmill blade structure is designed.

The utility model has the following contents:

the utility model aims at providing a stator module and external rotor electric machine who uses thereof, it reduces stator winding's end height effectively, has avoided the process operation difficulty that fixed temperature controller need be placed to wire-wound in-process again.

The purpose of the utility model is realized by the following technical scheme.

The utility model provides a stator module, includes stator core, end insulation coil winding, temperature controller and wiring board, and stator core includes yoke portion and tooth, and two adjacent tooth form the rule groove, end insulation installs the both ends face at stator core, and the coil winding is rolled up on the stator core, the wiring board is located the tip of the coil winding of stator core one end, be provided with the installation sleeve in the middle of the end insulation, seted up the through-hole in the middle of the installation sleeve, installation sleeve bottom is toward extending insulation yoke portion outward, insulation yoke portion's edge has a plurality of insulation tooth portions along the circumference interval protrusion, end insulation's insulation yoke portion and stator core's yoke portion are the installation of matcing, end insulation's insulation tooth portion and stator core's tooth portion are the installation of matcing, its characterized in: and at least one of the plurality of insulating tooth parts is provided with a limiting column, and after the coil winding is wound on the stator core, a temperature controller is arranged between the coil winding and the limiting column and is fixed between the limiting column and the coil winding.

The end part of the limiting column is provided with a first anti-loosening structure.

The first anti-loosening structure is a barb.

The aforesaid be equipped with the second anti-loosening structure on the installation sleeve, be equipped with the centre bore on the wiring board, the wiring board passes through the centre bore suit and is located the tip of coil winding at installation sleeve's lateral surface and wiring board, the second anti-loosening structure pressure is on the top of wiring board and axial fixity wiring board.

The second anti-loosening structure is a barb, the top of the mounting sleeve is provided with a plurality of barbs, and the hook heads of the barbs are arranged outwards.

And communicated grooves are dug in the bottom surfaces of the insulating yoke part and the insulating tooth parts.

The bottom of the insulating yoke part axially protrudes with a plurality of convex columns, the end face of the stator core is provided with positioning holes corresponding to the convex columns, and the convex columns are nested in the positioning holes.

The utility model provides an external rotor electric machine, includes stator module, external rotor subassembly and pivot, and external rotor subassembly and pivot installation are connected, and external rotor subassembly cover is in stator module outside, its characterized in that: the stator assembly is any of the stator assemblies described above.

Compared with the prior art, the utility model, following effect has:

1) the utility model discloses a stator core, tip insulating coil winding, temperature controller and wiring board, stator core include yoke portion and tooth portion, and two adjacent tooth portions form the rule groove, tip insulation installs the both ends face at stator core, and coil winding on the stator core, the wiring board is located the tip of the coil winding of stator core one end, be provided with the installation sleeve in the middle of the tip insulation, seted up the through-hole in the middle of the installation sleeve, installation sleeve bottom is toward extending insulating yoke portion outward, the edge of insulating yoke portion has a plurality of insulating tooth portions along the circumference interval protrusion, tip insulation's insulating yoke portion and stator core's yoke portion are the installation of matcing, tip insulation's insulating tooth portion and stator core's tooth portion are the installation of matcing, its characterized in that: at least one of the plurality of insulating tooth parts is provided with a limiting column, after the coil winding is wound on the stator core, a temperature controller is arranged between the coil winding and the limiting column and fixed between the limiting column and the coil winding, so that the end height of the stator winding is effectively reduced, and the difficulty in the process operation of placing and fixing the temperature controller in the winding process is avoided;

2) other advantages are detailed in the detailed description of the embodiments.

Description of the drawings:

fig. 1 is a perspective view of the present invention;

fig. 2 is an exploded perspective view of the present invention;

fig. 3 is a partial structural schematic diagram of the present invention;

FIG. 4 is a schematic view of the end insulation of the present invention;

fig. 5 is another angle structure diagram of the end insulation of the present invention;

fig. 6 is a top view of the present invention;

fig. 7 is a cross-sectional view a-a of fig. 6.

The specific implementation mode is as follows:

the present invention will be described in further detail with reference to the following detailed description of preferred embodiments and accompanying drawings.

The first embodiment is as follows:

as shown in fig. 1 to 7, the stator assembly provided in this embodiment includes a stator core 1, end-insulated 3 coil windings 4, a temperature controller 5 and a wiring board 6, where the stator core 1 includes a yoke portion 11 and tooth portions 12, two adjacent tooth portions 12 form a slot 13, the end-insulated 3 is installed on two end faces of the stator core 1, the stator core 1 is wound with the coil windings 4, the wiring board 6 is located at an end of the coil windings 4 at one end of the stator core 1, a mounting sleeve 32 is disposed in the middle of the end-insulated 3, a through hole 31 is formed in the middle of the mounting sleeve 32, an insulating yoke portion 33 extends outward from the bottom of the mounting sleeve 32, a plurality of insulating tooth portions 34 are protruded from an edge of the insulating yoke portion 33 along a circumferential direction at intervals, the insulating yoke portion 33 of the end-insulated 3 is installed in a manner matching with the yoke portion 11 of the stator core 1, the insulating tooth portion 34 of the end, the method is characterized in that: at least one insulating tooth part 34 of the insulating tooth parts 34 is provided with a limiting column 2, after the coil winding 4 is wound on the stator core 1, the temperature controller 5 is installed between the coil winding 4 and the limiting column 2, and the temperature controller 5 is fixed between the limiting column 2 and the coil winding 4, so that the end height of the stator winding is effectively reduced, and the difficulty in the process operation of placing and fixing the temperature controller in the winding process is avoided.

The end part of the limiting column 2 is provided with a first anti-loose structure 21 which can prevent the temperature controller from moving axially to cause loose contact between the coil winding and the temperature controller.

The first anti-loosening structure 21 is a barb.

Be equipped with the second anti-loosening structure 321 on the installation sleeve 32, be equipped with centre bore 60 on the wiring board 6, wiring board 6 passes through centre bore 60 suit on the lateral surface of installation sleeve 32 and wiring board 6 are located the tip of coil winding 4, the anti-loosening structure 321 of second presses on the top of wiring board 6 and axial fixity wiring board 6, prevents that wiring board extrusion end cover from producing the problem of wiping the limit noise after stator module packs into the casing.

The second anti-loose structure 321 is a barb, the top of the mounting sleeve 32 is provided with a plurality of barbs, and the hook heads of the barbs are arranged outwards.

And communicated grooves 30 are dug on the bottom surfaces of the insulating yoke part 33 and the plurality of insulating tooth parts 34, so that the cost is saved.

A plurality of convex columns 331 axially protrude from the bottom of the insulating yoke portion 33, positioning holes 14 corresponding to the convex columns 331 are formed in the end face of the stator core 1, the convex columns 331 are nested in the positioning holes 14, the structure is simple, positioning and mounting are convenient and rapid, and the convex columns can be used for circumferentially fixing end portions to be insulated.

Example two:

this implementation is an external rotor electric machine, including stator module, external rotor subassembly and pivot, the external rotor subassembly is connected with the pivot installation, and the external rotor subassembly cover is in stator module outside, its characterized in that: the stator assembly is the stator assembly of any one of the above embodiments.

The above embodiments are preferred embodiments of the present invention, but the embodiments of the present invention are not limited thereto, and any other changes, modifications, substitutions, combinations, and simplifications made without departing from the spirit and principle of the present invention are equivalent replacement modes, and are all included in the scope of the present invention.

Claims

1. The utility model provides a stator module, includes stator core (1), end insulation (3), coil winding (4), temperature controller (5) and wiring board (6), and stator core (1) includes yoke portion (11) and tooth portion (12), and two adjacent tooth portions (12) form rule groove (13), the both ends face at stator core (1) is installed in end insulation (3), and coil winding (4) are rolled up on stator core (1), wiring board (6) are located the tip of coil winding (4) of stator core (1) one end, be provided with installation sleeve (32) in the middle of end insulation (3), through-hole (31) have been seted up in the middle of installation sleeve (32), installation sleeve (32) bottom is toward extending insulation yoke portion (33) outward, the edge of insulation yoke portion (33) has a plurality of insulation tooth portions (34) along the circumference interval protrusion, the insulation yoke portion (33) of end insulation (3) and yoke portion (11) of stator core (1) are the matching The installation, the insulating tooth portion (34) of end portion insulating (3) is the installation of matcing with tooth portion (12) of stator core (1), its characterized in that: at least one insulating tooth part (34) of the insulating tooth parts (34) is provided with a limiting column (2), and after the stator core (1) is wound with the coil winding (4), a temperature controller (5) is installed between the coil winding (4) and the limiting column (2), and the temperature controller (5) is fixed between the limiting column (2) and the coil winding (4).

2. The stator assembly according to claim 1 is characterized in that a first anti-loosening structure (21) is arranged at the end part of the limiting column (2).

3. A stator assembly according to claim 2, wherein: the first anti-loosening structure (21) is a barb.

4. A stator assembly according to claim 1, wherein: be equipped with the second on installation sleeve (32) and prevent taking off structure (321), be equipped with centre bore (60) on wiring board (6), wiring board (6) are located the tip of coil winding (4) through centre bore (60) suit at the lateral surface of installation sleeve (32) and wiring board (6), the second is prevented taking off structure (321) and is pressed on the top of wiring board (6) and axial fixity wiring board (6).

5. A stator assembly according to claim 4, wherein: the second anti-loosening structure (321) is a barb, the top of the mounting sleeve (32) is provided with a plurality of barbs, and the hook heads of the barbs are arranged outwards.

6. A stator assembly according to claim 1 or 2 or 3 or 4 or 5, wherein: communicated grooves (30) are dug on the bottom surfaces of the insulating yoke part (33) and the insulating tooth parts (34).

7. A stator assembly according to claim 6, wherein: the stator core is characterized in that the bottom of the insulating yoke portion (33) axially protrudes out of the plurality of convex columns (331), positioning holes (14) corresponding to the plurality of convex columns (331) are formed in the end face of the stator core (1), and the convex columns (331) are nested in the positioning holes (14).

8. The utility model provides an external rotor electric machine, includes stator module, external rotor subassembly and pivot, and external rotor subassembly and pivot installation are connected, and external rotor subassembly cover is in stator module outside, its characterized in that: the stator assembly is as claimed in any one of the preceding claims 1 to 7.