CN113315290B

CN113315290B - Motor stator insulation framework assembly, motor stator, motor and air conditioner

Info

Publication number: CN113315290B
Application number: CN202110758145.8A
Authority: CN
Inventors: 吴权; 周思; 陈炎鑫; 丁佳婷
Original assignee: Gree Electric Appliances Inc of Zhuhai; Zhuhai Kaibang Motor Manufacture Co Ltd
Current assignee: Gree Electric Appliances Inc of Zhuhai; Zhuhai Kaibang Motor Manufacture Co Ltd
Priority date: 2021-07-05
Filing date: 2021-07-05
Publication date: 2022-09-09
Anticipated expiration: 2041-07-05
Also published as: CN113315290A

Abstract

The invention provides a motor stator insulation framework assembly, a motor stator, a motor and an air conditioner, wherein the motor stator insulation framework assembly comprises an insulation framework body, the insulation framework body is provided with a framework yoke part corresponding to a yoke part of a stator core and a plurality of tooth part wrapping parts corresponding to tooth parts of the stator core, the framework yoke part is provided with a first annular groove, the stator core comprises a first ring groove and a second ring groove, wherein a U-phase conducting ring electrically connected with the first end of the U-phase coil is installed in the first ring groove, a V-phase conducting ring electrically connected with the first end of the V-phase coil is installed in the second ring groove, a W-phase conducting ring electrically connected with the first end of the W-phase coil is installed in the third ring groove, a fourth ring groove is formed in the end face, away from the stator core, of the tooth wrapping part, and a common end conducting ring electrically connected with the second ends of the U-phase coil, the V-phase coil and the W-phase coil is installed in the fourth ring groove. According to the invention, the steps of the wiring process can be greatly reduced, and the process is simplified.

Description

Motor stator insulation framework assembly, motor stator, motor and air conditioner

Technical Field

The invention belongs to the technical field of motor manufacturing, and particularly relates to a motor stator insulation framework assembly, a motor stator, a motor and an air conditioner.

Background

A stator of a motor (such as a dc outer rotor motor) usually adopts a three-phase winding, the three-phase winding needs to be connected with a control board to implement control switching of current, and a corresponding wiring process is complex. In the industry, generally, a mode of removing a paint film from a tapped line of a stator winding, winding the tapped line on a contact pin, welding and fixing the tapped line and the contact pin, and then fixing a control board on the contact pin to form electric connection is adopted to realize wiring, and the mode has the defects of multiple production procedures and complex process of the stator.

Disclosure of Invention

Therefore, the invention provides a motor stator insulation framework assembly, a motor stator, a motor and an air conditioner, which can overcome the defects of multiple wiring procedures and complex process of a stator coil and a control circuit board in the related technology.

In order to solve the above problems, the present invention provides an insulation frame assembly for a motor stator, comprising an insulation frame body, the insulating bobbin body has a bobbin yoke portion corresponding to a yoke portion of a stator core and a plurality of tooth coating portions corresponding to tooth portions of the stator core, the framework yoke part is provided with a first ring groove, a second ring groove and a third ring groove, a U-phase conducting ring electrically connected with the first end of the U-phase coil is arranged in the first ring groove, the second ring groove is internally provided with a V-phase conducting ring which is electrically connected with the first end of the V-phase coil, the third ring groove is internally provided with a W-phase conducting ring which is electrically connected with the first end of the W-phase coil, the tooth portion wraps the portion and keeps away from have the fourth annular on stator core's the terminal surface, install in the fourth annular with U looks coil, V looks coil, the public end conducting ring that the second end electricity that W looks coil had respectively is connected.

Preferably, the first ring groove, the second ring groove, the third ring groove and the fourth ring groove are all concentrically arranged; and/or an annular wall extending along the axial direction of the stator core is arranged on the end surface of the tooth wrapping part far away from the stator core, and the fourth annular groove is formed in the end surface of the annular wall.

Preferably, the annular wall is divided into a plurality of sections corresponding to the tooth wrapping portions, and comprises a first annular wall section, and a Hall assembly accommodating groove is formed in the radial outer side face of the first annular wall section and used for accommodating a Hall assembly.

Preferably, the notch of the hall assembly holding tank faces the radial outer side of the stator core, and a slot is formed in the wall of the bottom of the hall assembly holding tank and used for inserting a hall element.

Preferably, a first through groove is formed in the end face, far away from the stator core, of the first annular wall section, the first through groove is communicated with the hall assembly accommodating groove along the axial direction of the stator core, the first through groove is used for being inserted with a hall lug, and the hall lug is electrically connected with the hall element.

Preferably, at least one of the U-phase conductive ring, the V-phase conductive ring, the W-phase conductive ring and the common-end conductive ring has a winding piece thereon, the winding piece includes a central piece and a side piece located on at least one side of the central piece, an embedded groove for a coil outgoing line is formed between the central piece and the side piece, and at least one of two opposite sides of the central piece and the side piece has a sawtooth; and/or connecting sheets capable of being electrically connected with the circuit board are arranged on the U-phase conducting ring, the V-phase conducting ring and the W-phase conducting ring.

Preferably, a first winding post is arranged at a position of the first ring groove corresponding to the winding piece of the U-phase conductive ring, and when the U-phase conductive ring is installed in the first ring groove, the first winding post is attached to the radial outer peripheral surface of the winding piece; and/or a second winding post is arranged at a position of the second ring groove corresponding to the winding piece of the V-phase conductive ring, and when the V-phase conductive ring is arranged in the second ring groove, the second winding post is attached to the radial outer peripheral surface of the winding piece; and/or a third wrapping post is arranged at a position of the third ring groove corresponding to the winding piece of the W-phase conductive ring, and when the W-phase conductive ring is arranged in the third ring groove, the third wrapping post is attached to the radial outer peripheral surface of the winding piece; and/or a fourth winding post is arranged at the position, corresponding to the winding piece, of the fourth ring groove and the public end conductive ring, and when the public end conductive ring is arranged in the fourth ring groove, the fourth winding post is attached to the radial inner circumferential surface of the winding piece.

Preferably, motor stator insulation skeleton subassembly still includes the crimping dish, crimping dish detachably connect in the insulation skeleton body is kept away from on stator core's the terminal surface, in order with U looks conducting ring, V looks conducting ring, W looks conducting ring, common end conducting ring respectively one-to-one shutoff in first annular, second annular, third annular, fourth annular.

Preferably, the crimping disc is provided with a second passing groove penetrating through two axial sides of the crimping disc, and the second passing groove is used for passing through the connecting sheet; and/or when a first through groove is formed in the first ring wall section and a Hall lug is inserted into the first through groove, a third through groove is formed in the crimping disc and used for allowing the Hall lug to pass through.

Preferably, the peripheral edge of the crimping disc is provided with a plurality of first positioning pieces, the first positioning pieces extend towards one side close to the insulating framework body, and when the crimping disc is assembled with the insulating framework body, the first positioning pieces surround the outer peripheral side of the annular wall.

Preferably, the peripheral edge of crimping dish still is equipped with the second spacer, the second spacer orientation is close to one side extension of insulating skeleton body, works as the rampart includes first rampart, when being constructed with hall assembly holding tank on the first rampart, the radial inboard of second spacer still be equipped with can the lock joint in the intraoral connection lug of notch of hall assembly holding tank.

Preferably, the crimping disc is further provided with a first mounting hole for mounting a temperature sensor, and the temperature sensor can be mounted in a gap formed between two adjacent tooth wrapping parts through the first mounting hole; and/or a second mounting hole for mounting a temperature controller is further formed on the crimping disc, and the temperature controller can be mounted into a gap formed between two adjacent tooth wrapping parts through the second mounting hole.

Preferably, when the first mounting hole and the second mounting hole are configured on the crimping plate at the same time, a mounting arm is provided on a region of the crimping plate between the first mounting hole and the second mounting hole, the mounting arm extends toward a side close to the insulating skeleton body, and the mounting arm has a first support rod capable of supporting the temperature sensor and a second support rod capable of supporting the temperature controller.

Preferably, the first support rod is supported on the bottom surface of the temperature sensor, and the width of the first support rod is smaller than that of the bottom surface of the temperature sensor; and/or the second supporting rod is supported on the bottom surface of the temperature controller, and the width of the second supporting rod is smaller than that of the bottom surface of the temperature controller.

Preferably, the end face, away from the insulating framework body, of the crimping disc is further provided with a wire placing table, and a cable clamping groove is formed in the wire placing table and used for clamping and fixing a power line of the temperature control component.

The invention also provides a motor stator which comprises the motor stator insulation framework assembly.

The invention also provides a motor which comprises the motor stator.

The invention also provides an air conditioner which comprises the motor.

According to the motor stator insulation framework assembly, the motor stator, the motor and the air conditioner, the plurality of annular grooves are formed in the insulation framework body, the three-phase conducting rings and the common end conducting rings are correspondingly assembled in the respective annular grooves respectively to achieve convenient fixing of positions, the number of electrically connected parts is reduced, meanwhile, the head end and the tail end of each phase coil are correspondingly electrically connected with the three-phase conducting rings and the common end conducting rings respectively, the control circuit board can be electrically connected with the three-phase guide rings only, the steps of a wiring process can be greatly reduced, the process is simplified, and the problems that a stator branching wiring process is complex and long in time consumption are solved.

Drawings

Fig. 1 is a schematic perspective view (disassembled) of an insulating frame assembly of a motor stator according to an embodiment of the present invention;

fig. 2 is a schematic perspective view of the insulating frame assembly of the motor stator in fig. 1;

FIG. 3 is an enlarged view of a portion of FIG. 2 at A;

FIG. 4 is an enlarged view of a portion of FIG. 2 at B;

FIG. 5 is an enlarged view of a portion of FIG. 2 at C;

FIG. 6 is a schematic perspective view of the Hall assembly of FIG. 1;

FIG. 7 is a schematic diagram of the three-phase conductive ring and the common terminal conductive ring of FIG. 1;

fig. 8 is a partial enlarged view of fig. 7 at D;

FIG. 9 is an assembled view of the crimping plate and the temperature control assembly of FIG. 1;

FIG. 10 is a schematic view from another perspective of FIG. 9;

FIG. 11 is an enlarged view of a portion of FIG. 10 at E;

FIG. 12 is a perspective view of the crimping disc of FIG. 1;

fig. 13 is a schematic structural view of the third winding post and the winding piece after being assembled in a matching manner;

fig. 14 is a schematic view of winding the stator coil and the stator core in fig. 1 (the numbers in the figure are winding numbers);

fig. 15 is a schematic perspective view (disassembled) of a stator of a motor according to another embodiment of the present invention.

The reference numerals are represented as:

1. an insulating frame body; 11. a backbone yoke; 111. a first ring groove; 112. a second ring groove; 113. a third ring groove; 1131. a third winding post; 114. a fourth ring groove; 1141. a fourth winding post; 12. a tooth wrapping portion; 121. an annular wall; 13. a first ring wall section; 131. a Hall assembly accommodating groove; 132. a slot; 133. a first pass through slot; 21. a U-phase conducting ring; 22. a V-phase conducting ring; 23. a W-phase conducting ring; 24. a common end conducting ring; 25. winding sheets; 251. a center piece; 252. a side piece; 253. embedding a groove; 254. saw teeth; 26. connecting sheets; 3. a crimping disc; 351. a second pass through slot; 352. a third pass through slot; 361. a first positioning sheet; 362. a second positioning sheet; 363. a connection bump; 371. a first mounting hole; 372. a second mounting hole; 38. mounting an arm; 381. a first support bar; 382. a second support bar; 39. a wire placing table; 391. a cable slot; 100. a stator core; 200. a stator coil; 201. a U-phase coil; 202. a V-phase coil; 203. a W-phase coil; 300. a Hall assembly; 301. a Hall element; 302. a Hall lug plate; 400. a temperature control assembly; 401. a temperature sensor; 402. a temperature controller; 403. a power line; 501. an upper insulating framework; 502. and a lower insulating skeleton.

Detailed Description

Referring to fig. 1 to 15 in combination, according to an embodiment of the present invention, there is provided an insulating bobbin assembly for a stator of an electric motor, including an insulating bobbin body 1, the insulating bobbin body 1 having a bobbin yoke portion 11 corresponding to a yoke portion of a stator core 100 and a plurality of tooth coating portions 12 corresponding to tooth portions of the stator core 100, the bobbin yoke portion 11 having a first annular groove 111, a second annular groove 112, and a third annular groove 113, the first annular groove 111 having therein a U-phase conductive ring 21 electrically connected to a first end of a U-phase coil 201, the second annular groove 112 having therein a V-phase conductive ring 22 electrically connected to a first end of a V-phase coil 202, the third annular groove 113 having therein a W-phase conductive ring 23 electrically connected to a first end of a W-phase coil 203, the tooth coating portion 12 having therein a fourth annular groove 114 on an end surface away from the stator core 100, the fourth annular groove 114 having therein a fourth annular groove 201, a portion corresponding to the U-phase coil 203, And a common-end conductive ring 24 having second ends electrically connected to the V-phase coil 202 and the W-phase coil 203, respectively. In the technical scheme, a plurality of annular grooves are formed in the insulating framework body 1, the three-phase conducting rings (namely the U-phase conducting ring 21, the V-phase conducting ring 22 and the W-phase conducting ring 23) and the public end conducting ring 24 are correspondingly assembled in the respective annular grooves respectively to realize convenient fixing of positions and realize insulation protection effect on each adjacent conducting ring to prevent the motor stator from poor voltage resistance, meanwhile, the head end and the tail end of each phase coil are respectively and correspondingly connected with the three-phase conducting rings and the public end conducting ring 24, the number of electrically connected parts is reduced, a control circuit board can be only electrically connected with the three-phase conducting rings, the steps of a wiring process can be greatly reduced, the process is simplified, and the problems of complex stator branching wiring process and long consumed time are solved.

Referring specifically to the stator winding shown in fig. 14, the U-phase coil 201 includes a first-to-last coil (1-U head) and a second-to-last coil (12-U tail), a first-to-last coil (7-U head) and a second-to-last coil (6-U tail), the V-phase coil 202 includes a first-to-last coil (5-V head) and a second-to-last coil (4-V tail), a first-to-last coil (11-V head) and a second-to-last coil (10-V tail), the W-phase coil 203 includes a first-to-last coil (9-W head) and a second-to-last coil (8-W tail), a first-to-last coil (3-W head) and a second-to-last coil (2-W tail), wherein (12-U tail), (6-U tail), (4-V tail), (10-V tail), (8-W tail), (2-W tail) are electrically connected to the common conductive ring 24, the (1-U head), (7-U head) are electrically connected to the U-phase conductive ring 21, (5-V head), (11-V head) are electrically connected to the V-phase conductive ring 22, (9-U head), and (3-U head) are electrically connected to the W-phase conductive ring 23.

In some embodiments, the first ring groove 111, the second ring groove 112, the third ring groove 113, and the fourth ring groove 114 are all concentrically disposed, so that the end surface structure of the insulating skeleton body 1 is more reasonable and regular.

In some embodiments, the end surface of the tooth wrapping portion 12 away from the stator core 100 has an annular wall 121 extending in the axial direction of the stator core 100, the fourth annular groove 114 is configured on the end surface of the annular wall 121, and the annular wall 121 is designed to form an axial end receiving space of the stator coil 200 at the end surface of the insulating bobbin body 1, so that the end shape of the stator coil 200 is more regular and the end position of the stator coil 200 is reliably limited.

In some embodiments, the annular wall 121 is divided into a plurality of segments corresponding to the plurality of tooth wraps 12, it is understood that a coil winding gap is formed between two adjacent tooth wraps 12, the division position of the annular wall 121 corresponds to the coil winding gap, and the plurality of segments of the annular wall 121 include a first annular wall segment 13, and a hall assembly receiving groove 131 is formed on a radially outer side surface of the first annular wall segment 13 for receiving a hall assembly 300. Specifically, the notch of the hall element receiving groove 131 faces the radial outer side of the stator core 100, a slot 132 is formed in the wall of the groove bottom of the hall element receiving groove 131, and the slot 132 is used for inserting the hall element 301. Furthermore, a first through groove 133 is formed in an end surface of the first ring wall section 13 away from the stator core 100, the first through groove 133 is through to the hall assembly receiving groove 131 along an axial direction of the stator core 100, the first through groove 133 is used for inserting a hall lug 302, and the hall lug 302 is electrically connected to the hall element 301. In this technical scheme, directly construct on the insulating skeleton body 1 hall assembly holding tank 131, hall element 301 can be convenient pass through hall assembly holding tank 131 open notch cartridge in slot 132, hall lug 302 is then injectd reliably in first passing groove 133, in specific assembly process, earlier with hall element 301 cartridge in slot 132, hall lug 302 cartridge in first passing groove 133 back, weld both as an organic whole to make hall assembly be in reliably in hall assembly holding tank 131, insulating skeleton body 1's structure is retrencied, compact more.

In some embodiments, at least one of the U-phase conductive ring 21, the V-phase conductive ring 22, the W-phase conductive ring 23 and the common end conductive ring 24 has a winding piece 25 thereon, and preferably, the U-phase conductive ring 21, the V-phase conductive ring 22, the W-phase conductive ring 23 and the common end conductive ring 24 all have the winding piece 25 thereon, the winding piece 25 includes a central piece 251 and side pieces 252 (preferably, both sides thereof have the same shape) on at least one side of the central piece 251, an embedded groove 253 for a coil lead wire is formed between the central piece 251 and the side pieces 252, at least one of the opposite sides of the central piece 251 and the side pieces 252 has saw teeth 254 thereon, the saw teeth 254 are arranged to cut a paint film of the lead wire during the winding process of the stator coil 200 so as to electrically connect the lead wire with the corresponding conductive ring without separately processing the paint film of the lead wire, the working efficiency is improved.

The U-phase conductive ring 21, the V-phase conductive ring 22, and the W-phase conductive ring 23 are all provided with connecting sheets 26 capable of being electrically connected to a circuit board (not shown in the figure), when the U-phase conductive ring, the V-phase conductive ring, and the W-phase conductive ring are specifically assembled and connected, the circuit board only needs to be welded to the connecting sheets 26 respectively provided to each conductive ring, and in a specific real-time manner, the connecting sheets 26, the winding sheets 25, and the corresponding conductive rings are integrally formed.

In some embodiments, a first winding post (not shown) is disposed at a position of the first ring groove 111 corresponding to the winding piece 25 of the U-phase conductive ring 21, and when the U-phase conductive ring 21 is installed in the first ring groove 111, the first winding post is attached to the radial outer peripheral surface of the winding piece 25; and/or a second winding post (not shown in the figure) is disposed at a position of the second ring groove 112 corresponding to the winding piece 25 of the V-phase conductive ring 22, and when the V-phase conductive ring 22 is installed in the second ring groove 112, the second winding post is attached to the radial outer peripheral surface of the winding piece 25; and/or a third winding column 1131 is disposed at a position of the third ring groove 113 corresponding to the winding piece 25 of the W-phase conductive ring 23, and when the W-phase conductive ring 23 is installed in the third ring groove 113, the third winding column 1131 is attached to the radial outer peripheral surface of the winding piece 25; and/or a fourth winding post 1141 is disposed at a position of the fourth slot 114 corresponding to the winding piece 25 of the common end conductive ring 24, and when the common end conductive ring 24 is mounted in the fourth slot 114, the fourth winding post 1141 is attached to the inner circumferential surface of the winding piece 25 in the radial direction. In the technical scheme, the corresponding winding posts are respectively arranged at the positions corresponding to the winding sheets 25 of the insulating framework body 1, and the forming surfaces of the winding posts are attached to the forming surfaces of the winding posts, so that the drawing capability of the lead wire at the winding position can be obviously improved, and the reliability of wiring is improved.

In some embodiments, the motor stator insulating framework assembly further includes a crimping disc 3, and the crimping disc 3 is detachably connected to the end surface of the insulating framework body 1 away from the stator core 100, so as to plug the U-phase conducting ring 21, the V-phase conducting ring 22, the W-phase conducting ring 23, and the common end conducting ring 24 in the first annular groove 111, the second annular groove 112, the third annular groove 113, and the fourth annular groove 114 in a one-to-one correspondence manner, respectively, so that subsequent possible maintenance of each conducting ring can be facilitated. Specifically, for example, the center of the crimping plate 3 has an annular step corresponding to the first, second, and

third ring grooves

111, 112, and 113.

In some embodiments, the second through-grooves 351 are formed on the crimping disk 3 through two axial sides thereof, the second through-grooves 351 are used for passing the connecting pieces 26, that is, the free ends of the corresponding connecting pieces 26 are to be passed through the second through-grooves 351, so as to be electrically connected with the circuit board on the side of the crimping disk 3 away from the insulating skeleton body 1, when the first ring wall section 13 is formed with the first through-grooves 133, and the hall lugs 302 are inserted in the first through-grooves 133, the third through-grooves 352 are formed on the crimping disk 3, and the third through-grooves 352 are used for passing the hall lugs 302, so as to facilitate the electrical connection between the hall lugs 302 and the circuit board. It is understood that the second through-groove 351 and the third through-groove 352 can be used as the corresponding electrically connected through-passages, and can also be used as the assembling and positioning structure of the crimping disc 3, in this case, the crimping disc 3 can be connected with the insulating frame body 1 as a whole through the corresponding connecting structure, and as a more preferable connecting structure, the peripheral edge of the crimping disc 3 is provided with a plurality of first positioning pieces 361, the plurality of first positioning pieces 361 extend towards the side close to the insulating frame body 1, when the crimping disc 3 is assembled with the insulating frame body 1, the plurality of first positioning pieces 361 surround the outer peripheral side of the ring wall 121, correspondingly, the peripheral edge of the crimping disc 3 is further provided with a second positioning piece 362, the second positioning piece 362 extends towards the side close to the insulating frame body 1, when the ring wall 121 comprises the first ring wall section 13, when the first ring wall section 13 is configured with the hall element receiving groove 131, the radially inner side of the second positioning piece 362 is further provided with a connecting bump 363 capable of being buckled in the notch of the hall element receiving groove 131. In this technical solution, the first positioning piece 361 is used as a positioning structure connected to the insulating frame body 1, and can prevent the connecting piece 26 and the hall lug 302 from being damaged by the position change of the crimping disc 3, the reliable connection between the crimping disc 3 and the insulating frame body 1 is formed by the concave-convex matching of the connecting protrusion 363 and the hall assembly receiving groove 131, and the second positioning piece 362 can also protect the hall assembly 300.

In some embodiments, the crimping plate 3 is further configured with a first mounting hole 371 for mounting a temperature sensor 401, and the temperature sensor 401 can be mounted into a gap formed between two adjacent tooth coating portions 12 through the first mounting hole 371; and/or, the crimping plate 3 is further configured with a second mounting hole 372 for mounting the temperature controller 402, the temperature controller 402 can be mounted into a gap formed between two adjacent tooth coating portions 12 through the second mounting hole 372, so that the temperature sensor 401 and/or the temperature controller 402 can be closer to the stator coil 200 at the corresponding position, and the temperature detection or control is more precise.

When the first mounting hole 371 and the second mounting hole 372 are formed on the crimping plate 3 at the same time, a mounting arm 38 is provided on a region of the crimping plate 3 between the first mounting hole 371 and the second mounting hole 372, the mounting arm 38 extends toward a side close to the insulating frame body 1, and the mounting arm 38 has a first supporting rod 381 capable of supporting the temperature sensor 401 and a second supporting rod 382 capable of supporting the temperature controller 402, so that the temperature sensor 401 and/or the temperature controller 402 are in direct contact with the stator coil 200, and the sensing sensitivity of the corresponding temperature sensing element is further improved. For example, the first supporting rod 381 is supported on the bottom surface of the temperature sensor 401, and the width of the first supporting rod 381 is smaller than the width of the bottom surface of the temperature sensor 401; and/or, the second support rod 382 is supported on the bottom surface of the temperature controller 402 and the width of the second support rod 382 is smaller than the width of the bottom surface of the temperature controller 402.

In some embodiments, a wire placing table 39 is further disposed on an end surface of the crimping disc 3 away from the insulating skeleton body 1, and a cable clamping groove 391 is configured on the wire placing table 39 and used for clamping and fixing the power line 403 of the temperature control assembly 400, so that the power line 403 can be routed in order.

According to an embodiment of the present invention, a motor stator, especially an external rotor motor stator, is further provided, including a stator core 100, and an upper insulating framework 501 and a lower insulating framework 502 wrapped on the stator core, where the upper insulating framework 501 is the above-mentioned motor stator insulating framework assembly.

According to an embodiment of the invention, there is also provided a motor including the motor stator described above.

According to an embodiment of the present invention, there is also provided an air conditioner including the motor described above.

It is readily understood by a person skilled in the art that the advantageous ways described above can be freely combined, superimposed without conflict.

The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention. The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several improvements and modifications can be made without departing from the technical principle of the present invention, and these improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a motor stator insulation skeleton subassembly, its characterized in that, includes insulation skeleton body (1), insulation skeleton body (1) has skeleton yoke portion (11) and a plurality of tooth portion that correspond to the tooth portion of stator core (100) and wraps up portion (12), skeleton yoke portion (11) department has first annular (111), second annular (112), third annular (113), U looks conducting ring (21) of being connected with the first end electricity of U looks coil (201) are equipped with in first annular (111), V looks conducting ring (22) of being connected with the first end electricity of V looks coil (202) are equipped with in second annular (112), the W looks conducting ring (23) of being connected with the first end electricity of W looks coil (203) are equipped with in third annular (113), tooth portion of wrapping up (12) is kept away from have fourth annular (114) on the terminal surface of stator core (100), a common end conducting ring (24) which is electrically connected with the second ends of the U-phase coil (201), the V-phase coil (202) and the W-phase coil (203) is arranged in the fourth ring groove (114); at least one of the U-phase conductive ring (21), the V-phase conductive ring (22), the W-phase conductive ring (23) and the common end conductive ring (24) is provided with a winding piece (25), the winding piece (25) comprises a central piece (251) and side pieces (252) positioned on at least one side of the central piece (251), an embedded groove (253) for a coil outgoing line is formed between the central piece (251) and the side pieces (252), and at least one of two opposite sides of the central piece (251) and the side pieces (252) is provided with a sawtooth (254); the end face, away from the stator core (100), of the tooth wrapping part (12) is provided with a ring wall (121) extending along the axial direction of the stator core (100), the ring wall (121) is divided into a plurality of sections corresponding to the plurality of tooth wrapping parts (12), and comprises a first ring wall section (13), and a Hall assembly accommodating groove (131) is formed in the radial outer side face of the first ring wall section (13) and used for accommodating a Hall assembly (300); a first through groove (133) is formed in an end face, away from the stator core (100), of the first ring wall section (13), the first through groove (133) is communicated with the Hall assembly accommodating groove (131) along the axial direction of the stator core (100), the first through groove (133) is used for inserting a Hall lug (302), and the Hall lug (302) is electrically connected with a Hall element (301); the stator core structure is characterized by further comprising a crimping disc (3), wherein the crimping disc (3) is detachably connected to the end face, far away from the stator core (100), of the insulating framework body (1) so as to plug the U-phase conducting ring (21), the V-phase conducting ring (22), the W-phase conducting ring (23) and the common end conducting ring (24) in the first annular groove (111), the second annular groove (112), the third annular groove (113) and the fourth annular groove (114) in a one-to-one correspondence mode respectively; the U-phase conducting ring (21), the V-phase conducting ring (22) and the W-phase conducting ring (23) are respectively provided with a connecting sheet (26) capable of being electrically connected with a circuit board, the crimping disc (3) is provided with a second penetrating groove (351) penetrating through two axial sides of the crimping disc, and the second penetrating groove (351) is used for penetrating through the connecting sheet (26); and/or, when a first through-groove (133) is formed in the first ring wall section (13), and a hall lug (302) is inserted into the first through-groove (133), a third through-groove (352) is formed in the crimping disc (3), and the third through-groove (352) is used for the hall lug (302).

2. The motor stator insulation framework assembly according to claim 1, wherein the first ring groove (111), the second ring groove (112), the third ring groove (113) and the fourth ring groove (114) are all concentrically arranged; and/or the fourth ring groove (114) is formed on the end face of the annular wall (121).

3. The motor stator insulation framework assembly according to claim 1, wherein the notch of the hall assembly accommodating groove (131) faces to the radial outer side of the stator core (100), and the slot bottom wall of the hall assembly accommodating groove (131) is provided with a slot (132), and the slot (132) is used for inserting a hall element (301).

4. The motor stator insulating skeleton assembly according to claim 1, wherein a first winding post is disposed at a position corresponding to the winding piece (25) of the first ring groove (111) and the U-phase conductive ring (21), and when the U-phase conductive ring (21) is installed in the first ring groove (111), the first winding post is attached to the radial outer peripheral surface of the winding piece (25); and/or a second winding post is arranged at a position, corresponding to the winding piece (25) of the V-phase conductive ring (22), of the second ring groove (112), and when the V-phase conductive ring (22) is arranged in the second ring groove (112), the second winding post is attached to the radial outer peripheral surface of the winding piece (25); and/or a third winding post (1131) is arranged at a position of the third ring groove (113) corresponding to the winding piece (25) of the W-phase conductive ring (23), and when the W-phase conductive ring (23) is installed in the third ring groove (113), the third winding post (1131) is attached to the radial outer peripheral surface of the winding piece (25); and/or a fourth winding post (1141) is arranged at a position, corresponding to the winding piece (25), of the fourth ring groove (114) and the common end conductive ring (24), and when the common end conductive ring (24) is arranged in the fourth ring groove (114), the fourth winding post (1141) is attached to the radial inner peripheral surface of the winding piece (25).

5. The motor stator insulation skeleton assembly according to claim 1, wherein the peripheral edge of the crimping disc (3) is provided with a plurality of first positioning pieces (361), the plurality of first positioning pieces (361) extend towards one side close to the insulation skeleton body (1), and when the crimping disc (3) is assembled with the insulation skeleton body (1), the plurality of first positioning pieces (361) surround the outer peripheral side of the annular wall (121).

6. The motor stator insulation framework assembly according to claim 5, characterized in that the outer peripheral edge of the crimping disc (3) is further provided with a second positioning piece (362), the second positioning piece (362) extends towards one side close to the insulation framework body (1), when the ring wall (121) comprises a first ring wall section (13), and when the first ring wall section (13) is provided with the Hall assembly accommodating groove (131), the radially inner side of the second positioning piece (362) is further provided with a connecting bump (363) capable of being buckled in the groove of the Hall assembly accommodating groove (131).

7. The motor stator insulation framework assembly according to claim 1, wherein the crimping disc (3) is further configured with a first mounting hole (371) for mounting a temperature sensor (401), and the temperature sensor (401) can be mounted into a gap formed between two adjacent tooth coating portions (12) through the first mounting hole (371); and/or a second mounting hole (372) for mounting a temperature controller (402) is further formed on the crimping disc (3), and the temperature controller (402) can be installed into a gap formed between two adjacent tooth wrapping parts (12) through the second mounting hole (372).

8. The motor stator insulation skeleton assembly according to claim 7, wherein when the first and second mounting holes (371, 372) are simultaneously formed on the crimping disc (3), a mounting arm (38) is provided on a region of the crimping disc (3) between the first and second mounting holes (371, 372), the mounting arm (38) extends toward a side close to the insulation skeleton body (1), and the mounting arm (38) has a first support rod (381) capable of supporting the temperature sensor (401) and a second support rod (382) capable of supporting the temperature controller (402).

9. The electric machine stator insulation skeleton assembly according to claim 8, wherein the first support rod (381) is supported on the bottom surface of the temperature sensor (401) and the width of the first support rod (381) is smaller than the width of the bottom surface of the temperature sensor (401); and/or the second support rod (382) is supported on the bottom surface of the temperature controller (402) and the width of the second support rod (382) is smaller than that of the bottom surface of the temperature controller (402).

10. The motor stator insulation framework assembly according to claim 7, wherein a wire placing table (39) is further arranged on the end face of the crimping disc (3) far away from the insulation framework body (1), and a cable clamping groove (391) is formed in the wire placing table (39) and used for clamping and fixing a power wire (403) of the temperature control assembly (400).

11. An electric machine stator comprising the electric machine stator insulating skeleton assembly of any one of claims 1 to 10.

12. An electrical machine comprising the electrical machine stator of claim 11.

13. An air conditioner characterized by comprising the motor of claim 12.