CN219181253U - Motor stator and wiring module thereof - Google Patents

Abstract

The application relates to a motor stator and a wiring module thereof, wherein the motor stator comprises an iron core wire frame, a plurality of coil groups and a wiring module, wherein the plurality of coil groups are wound on the iron core wire frame; the wiring module is overlapped on the iron core wire frame and comprises a plurality of conductive rings and insulators, wherein the conductive rings are arranged in an inner ring and an outer ring and are arranged in parallel at intervals; the insulator is coated outside the conductive rings, a plurality of hollowed-out openings exposing the conductive rings are formed in the top of the insulator, and each coil set is electrically connected with each conductive ring through each hollowed-out opening.

Description

Motor stator and wiring module thereof

Technical Field

The present utility model relates to a wiring structure for a motor stator, and more particularly, to a motor stator and a wiring module thereof.

Background

A motor for an electric vehicle as a power source is mainly manufactured by a three-phase alternating current and a coil, so that a stator and a rotor of the motor are relatively rotated to be used as the power source.

The stator of the motor for the vehicle is mainly characterized in that after the cables are respectively connected through coil groups (namely U phase, V phase and W phase), all the cables are bundled into a bundle in a serial or parallel mode and are reserved on the side face of the motor stator or are plugged into gaps on the stator.

However, as the motor power source needs to be lifted up nowadays, the current is relatively high, so the adopted cable is relatively thick, so that the bundled cable needs to occupy more space, and is randomly placed on the side surface of the motor stator or cannot be squeezed into the gap of the stator, and the cable routing is mixed.

In view of this, the applicant has made intensive studies and has made an effort to solve the above-mentioned problems in combination with the application of the theory, which is the object of improvement by the applicant.

Disclosure of Invention

The utility model provides a motor stator and wiring module thereof, it utilizes wiring module can effectively arrange the line for motor stator carries out operation such as welding and maintenance of coil easily, also can avoid the line to walk in disorder and occupy unnecessary space simultaneously.

In an embodiment of the present application, there is provided a motor stator including: an iron core wire frame; a plurality of coil groups wound on the iron core wire frame; and a wiring module, which is overlapped on the iron core wire frame, and comprises: a plurality of conductive rings which are arranged in an inner ring and an outer ring and are arranged in parallel at intervals; and the insulator is coated outside the plurality of conductive rings, a plurality of hollowed-out openings exposing the plurality of conductive rings are formed in the top of the insulator, and each coil assembly is electrically connected with each conductive ring through each hollowed-out opening.

In one embodiment, each coil assembly is welded to each conductive loop through each hollowed-out opening.

In one embodiment, the insulator is detachably connected to the core frame by a locking structure comprising a flange extending from an outer periphery of the insulator and a plurality of hooks protruding from a top of the core frame and locking above the flange.

In one embodiment, the iron core wire frame comprises a silicon steel body and an insulation sleeve sleeved on the silicon steel body, and the plurality of clamping hooks protrude from the top of the insulation sleeve.

In one embodiment, the plurality of conductive loops includes a first conductive loop, a second conductive loop, a third conductive loop and a fourth conductive loop that are arranged in a concentric circle manner from inside to outside, and the plurality of hollowed-out openings includes a plurality of first hollowed-out openings configured corresponding to only the first conductive loop, a plurality of second hollowed-out openings configured corresponding to only the second conductive loop, a plurality of third hollowed-out openings configured corresponding to only the third conductive loop, and a plurality of fourth hollowed-out openings configured corresponding to only the fourth conductive loop.

In one embodiment, the iron core bobbin comprises a silicon steel body and an insulation sleeve sleeved on the silicon steel body, the silicon steel body is provided with a yoke portion and a plurality of magnetic poles extending from the yoke portion, the magnetic poles are arranged in a spacing mode along the yoke portion in a surrounding mode, the insulation sleeve is provided with a plurality of insulation sleeves, and each insulation sleeve is sleeved on the upper end and the lower end of each magnetic pole respectively.

In one embodiment, the plurality of coil sets includes a first phase coil set, a second phase coil set and a third phase coil set wound around each magnetic pole and each insulating sleeve, one end of the first phase coil set is welded to the first conductive ring through the first hollow opening, the other end is welded to the fourth conductive ring through the fourth hollow opening, one end of the second phase coil set is welded to the second conductive ring through the second hollow opening, the other end is welded to the fourth conductive ring through the fourth hollow opening, and one end of the third phase coil set is welded to the third conductive ring through the third hollow opening, and the other end is welded to the fourth conductive ring through the fourth hollow opening.

In an embodiment of the present application, the present application provides a wiring module of a motor stator, including: a plurality of conductive rings which are arranged in an inner ring and an outer ring and are arranged in parallel at intervals; and the insulator is coated outside the plurality of conductive rings, and a plurality of hollowed-out openings exposing the plurality of conductive rings are formed in the top of the insulator.

In one embodiment, the insulator has a flange extending from its outer periphery.

In one embodiment, the plurality of conductive loops includes a first conductive loop, a second conductive loop, a third conductive loop and a fourth conductive loop that are arranged in a concentric circle manner from inside to outside, and the plurality of hollowed-out openings includes a plurality of first hollowed-out openings configured corresponding to only the first conductive loop, a plurality of second hollowed-out openings configured corresponding to only the second conductive loop, a plurality of third hollowed-out openings configured corresponding to only the third conductive loop, and a plurality of fourth hollowed-out openings configured corresponding to only the fourth conductive loop.

Based on the above, since the conductive rings can be arranged above the iron core wire frame in order, the operation of wiring or wire repair such as welding with the coil sets is relatively clear and easy, the wire arrangement is in order, and excessive length is not needed to be reserved for binding, compared with the prior art, the material cost and unnecessary wiring occupation can be saved, and the space occupied by the motor stator in configuration is avoided.

Drawings

Fig. 1 is a schematic perspective view of a wiring module of the present application.

Fig. 2 is a schematic cross-sectional view of a wiring module of the present application.

Fig. 3 is another cross-sectional schematic view of the wiring module of the present application.

Fig. 4 is an exploded perspective view of the motor stator of the present application.

Fig. 5 is a perspective assembly view of the motor stator of the present application.

Fig. 6 is a schematic view of a motor stator according to the present application.

Reference numerals illustrate:

10: a motor stator;

1: an iron core wire frame;

11: a silicon steel body;

111: a yoke;

112: a magnetic pole;

12: an insulation sleeve;

121: an insulating sleeve;

2: a coil assembly;

21: a first phase coil set;

22: a second phase coil set;

23: a third phase coil group;

3: a wiring module;

31: a conductive loop;

311: a first conductive loop;

312: a second conductive loop;

313: a third conductive loop;

314: a fourth conductive loop;

32: an insulator;

321: a hollowed-out opening;

322: a first hollowed-out opening;

323: a second hollow opening;

324: a third hollow opening;

325: a fourth hollow opening;

4: a clamping structure;

41: a flange;

42: a hook.

Detailed Description

The detailed description and technical content related to the present application will be described below with reference to the drawings, which, however, are for illustrative purposes only and are not intended to limit the present application.

Referring to fig. 1 to 6, the present application provides a motor stator and a wiring module thereof, wherein the motor stator 10 mainly comprises a core frame 1, a plurality of coil sets 2 and a wiring module 3, and the wiring module mainly comprises a plurality of conductive rings 31 and an insulator 32.

As shown in fig. 4 to 6, the iron core bobbin 1 includes a silicon steel body 11 and an insulation sleeve 12 sleeved on the silicon steel body 11, the silicon steel body 11 has a yoke 111 and a plurality of magnetic poles 112 extending from the yoke 111, the insulation sleeve 12 has a plurality of insulation sleeves 121, and each insulation sleeve 121 is sleeved on the upper end and the lower end of each magnetic pole 112.

The plurality of magnetic poles 112 are arranged along the outer periphery of the yoke 111 in a spaced-apart manner for the motor rotor (not shown) to be disposed opposite to the plurality of magnetic poles 112 for induction, but not limited thereto, the plurality of magnetic poles 112 may be arranged along the inner periphery of the yoke 111 in a spaced-apart manner for the motor rotor (not shown) to be disposed opposite to the plurality of magnetic poles 112 for induction.

As shown in fig. 6, a plurality of coil groups 2 are wound around the core bobbin 1, and the plurality of coil groups 2 include a first phase coil group 21, a second phase coil group 22, and a third phase coil group 23 wound around each magnetic pole 112 and each insulating sheath 121.

The first phase coil set 21, the second phase coil set 22 and the third phase coil set 23 may correspond to the U-phase coil, the V-phase coil and the W-phase coil, respectively, so as to form a phase change of three-phase ac, thereby generating S-pole and N-pole alternately to induce a rotor (not shown) and drive rotation.

As shown in fig. 1 to 6, each conductive ring 31 is formed of a ring body made of a high conductive material such as copper, silver, gold, etc., and a plurality of conductive rings 31 are disposed inside and outside each other and are juxtaposed at intervals, and the plurality of conductive rings 31 include a first conductive ring 311, a second conductive ring 312, a third conductive ring 313, and a fourth conductive ring 314 juxtaposed from inside to outside in a concentric circle manner.

As shown in fig. 1 to 6, the insulator 32 is coated on the outer portions of the plurality of conductive rings 31 in a plastic injection molding manner, a plurality of hollow openings 321 exposing the plurality of conductive rings 31 are formed on the top of the insulator 32, and each coil set 2 is welded to each conductive ring 31 through each hollow opening 321, so that each coil set 2 is electrically connected with each conductive ring 31 through each hollow opening 321.

As described in detail below, the plurality of openings 321 includes a plurality of first openings 322 configured to correspond to only the first conductive loop 311, a plurality of second openings 323 configured to correspond to only the second conductive loop 312, a plurality of third openings 324 configured to correspond to only the third conductive loop 313, and a plurality of fourth openings 325 configured to correspond to only the fourth conductive loop 314.

In addition, the insulator 32 and the core frame 1 are detachably connected by the engaging structure 4, that is, the insulator 32 can be assembled or disassembled to the core frame 1 through the engaging structure 4.

Further, the connection module 3 is stacked above the core frame 1, and further described below, the engagement structure 4 includes a flange 41 extending from the outer periphery of the insulator 32 and a plurality of hooks 42 protruding from the top of the core frame 1, and the plurality of hooks 42 protrude from the top of the insulation sleeve 12 and are engaged above the flange 41.

As shown in fig. 6, one end of the first phase coil set 21 is welded to the first conductive ring 311 through the first hollowed-out opening 322 and the other end is welded to the fourth conductive ring 314 through the fourth hollowed-out opening 325, one end of the second phase coil set 22 is welded to the second conductive ring 312 through the second hollowed-out opening 323 and the other end is welded to the fourth conductive ring 314 through the fourth hollowed-out opening 325, one end of the third phase coil set 23 is welded to the third conductive ring 313 through the third hollowed-out opening 324 and the other end is welded to the fourth conductive ring 314 through the fourth hollowed-out opening 325, so as to achieve the purpose of electrically connecting each coil set 2 and each conductive ring 31.

As shown in fig. 4 to 6, in the usage state of the motor stator 10 and the wiring module 3, each coil set 2 can be welded to each conductive ring 31 through each hollow opening 321, so as to achieve the purpose of electrical contact and fixed connection by means of the welding points between the coil sets 2 and the conductive rings 31.

Meanwhile, since the conductive rings 31 can be arranged above the iron core frame 1 in order, the operation of wiring or line repair such as welding with the coil sets 2 is relatively clear and easy, the line arrangement is in order, and excessive length is not required to be reserved for binding, compared with the prior art, the material cost and unnecessary wiring occupation can be saved, and the space occupied by the motor stator in arrangement is avoided.

In addition, the cable and the coil assembly are welded in the prior art, and the insulation coating covered on the cable is stripped for welding; compared with the prior art, the conductive ring 31 is welded with the coil assembly 2, so that the insulating skin stripping step can be omitted, and the conductive ring 31 exposed out of the hollowed-out opening 321 is directly welded, so that the welding efficiency and the welding yield are improved.

Furthermore, the insulator 32 of the wiring module 3 can be easily assembled or disassembled to the iron core bobbin 1 through the clamping structure 4, so as to achieve the effects of convenient disassembly, assembly and maintenance of the motor stator 10 and the wiring module 3.

In summary, the motor stator and the wiring module thereof can achieve the expected purpose of use, solve the conventional defects, and have industrial applicability, novelty and progress, completely meet the requirements of patent application, apply for patent law, and ask for detailed examination and approval of the patent application so as to ensure the rights of the applicant.

Claims (10)

1. A motor stator, comprising:

an iron core wire frame;

a plurality of coil groups wound around the core bobbin; and

the wiring module, the stack lean on the iron core line frame, the wiring module contains:

a plurality of conductive rings which are arranged in an inner ring and an outer ring and are arranged in parallel at intervals; and

the insulator is coated outside the conductive rings, a plurality of hollow openings exposing the conductive rings are formed in the top of the insulator, and each coil group is electrically connected with each conductive ring through each hollow opening.

2. The motor stator of claim 1 wherein each of said coil sets is welded to each of said conductive rings through each of said hollowed-out openings.

3. The motor stator of claim 1 wherein the insulator is removably connected to the core frame with a snap-fit arrangement comprising a flange extending from an outer periphery of the insulator and a plurality of hooks protruding from a top of the core frame and snap over the flange.

4. The motor stator of claim 3, wherein the iron core bobbin comprises a silicon steel body and an insulation sleeve sleeved on the silicon steel body, and the plurality of hooks protrude from the top of the insulation sleeve.

5. The motor stator according to claim 1, wherein the plurality of conductive loops comprises a first conductive loop, a second conductive loop, a third conductive loop, and a fourth conductive loop arranged in a concentric circle from inside to outside, and the plurality of hollowed-out openings comprises a plurality of first hollowed-out openings corresponding to the first conductive loop only, a plurality of second hollowed-out openings corresponding to the second conductive loop only, a plurality of third hollowed-out openings corresponding to the third conductive loop only, and a plurality of fourth hollowed-out openings corresponding to the fourth conductive loop only.

6. The motor stator of claim 5, wherein the core bobbin comprises a silicon steel body and an insulation sleeve sleeved on the silicon steel body, the silicon steel body has a yoke portion and a plurality of magnetic poles extending from the yoke portion, the plurality of magnetic poles are arranged in a spaced-apart annular manner along the yoke portion, the insulation sleeve has a plurality of insulation sleeves, and each insulation sleeve is sleeved on an upper end and a lower end of each magnetic pole respectively.

7. The motor stator according to claim 6, wherein the plurality of coil groups includes a first phase coil group, a second phase coil group, and a third phase coil group wound around each of the magnetic poles and each of the insulating sleeves, one end of the first phase coil group is welded to the first conductive ring through the first hollowed-out opening and the other end is welded to the fourth conductive ring through the fourth hollowed-out opening, one end of the second phase coil group is welded to the second conductive ring through the second hollowed-out opening and the other end is welded to the fourth conductive ring through the fourth hollowed-out opening, and one end of the third phase coil group is welded to the third conductive ring through the third hollowed-out opening and the other end is welded to the fourth conductive ring through the fourth hollowed-out opening.

8. A wiring module for a motor stator, comprising:

a plurality of conductive rings which are arranged in an inner ring and an outer ring and are arranged in parallel at intervals; and

the insulator is coated outside the conductive rings, and a plurality of hollowed-out openings exposing the conductive rings are formed in the top of the insulator.

9. The motor stator wiring module as in claim 8, wherein said insulator has a flange extending from an outer periphery thereof.

10. The motor stator wiring module of claim 8 wherein the plurality of conductive loops comprises a first conductive loop, a second conductive loop, a third conductive loop, and a fourth conductive loop arranged side by side in a concentric circle, the plurality of hollowed-out openings comprises a plurality of first hollowed-out openings corresponding to only the first conductive loop arrangement, a plurality of second hollowed-out openings corresponding to only the second conductive loop arrangement, a plurality of third hollowed-out openings corresponding to only the third conductive loop arrangement, and a plurality of fourth hollowed-out openings corresponding to only the fourth conductive loop arrangement.

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