CN213151752U

CN213151752U - Stator structure capable of matching circuit boards with different pole numbers

Info

Publication number: CN213151752U
Application number: CN202022245880.2U
Authority: CN
Inventors: 刘辉; 邝昌贤; 方成; 傅超
Original assignee: Zhejiang Wolong Servo Technology Co ltd; Wolong Electric Group Co Ltd
Current assignee: Zhejiang Wolong Servo Technology Co ltd; Wolong Electric Drive Group Co Ltd
Priority date: 2020-10-10
Filing date: 2020-10-10
Publication date: 2021-05-07
Anticipated expiration: 2030-10-10

Abstract

The utility model discloses a can join in marriage stator structure of different number of poles circuit boards relates to the motor field. The existing motor stator coil is mostly distributed windings and concentrated windings, and is different in stator structure aiming at different numbers of magnetic pole motor control panels, so that the production complexity is increased, the universality of the stator is poor, and the production cost is high. The utility model discloses a circuit board of the different numbers of poles of iron core, insulation bush, winding and optional joining in marriage has inlayed 2 ends on the insulation bush to the PIN needle, and the winding is syntropy wire-wound concentrated winding, and winding head, tail are connected respectively on the PIN needle, and the circuit board passes through PIN needle jack and PIN needle match electricity and is connected and welded fastening. The winding head and the winding tail of each winding are led out through the PIN needles and then are connected with the circuit boards for realizing circuits with different numbers of poles, so that the connection of the same stator structure and the circuit boards with different numbers of poles can be conveniently realized, the universality of the stator is effectively improved, and the production cost is reduced.

Description

Stator structure capable of matching circuit boards with different pole numbers

Technical Field

The utility model relates to the field of electric machines, especially, relate to a can join in marriage stator structure of different number of poles circuit board.

Background

At present, motor stator coil's wire winding mode is mostly distributed winding and concentrated winding two kinds, and at present, the stator of these two kinds of windings is also different structurally to the control panel of different quantity magnetic poles, need produce according to different stator structures in production, has increased the complexity of production, has prolonged the preparation cycle that stator production switched, has reduced the commonality of stator, has improved manufacturing cost.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model and the technical task that provides are perfect and improve prior art scheme, provide a can join in marriage the stator structure of different number of poles circuit board to realize that different number of poles control panels adopt the same stator, promote the commonality of stator for the purpose. Therefore, the utility model adopts the following technical scheme.

The utility model provides a can join in marriage stator structure of different number of poles circuit boards, the stator include iron core, insulating bush and a plurality of winding, insulating bush keep apart winding and iron core, the outside that lies in every winding on the insulating bush be equipped with 2 ends to PIN needle caulking holes, the embedded PIN needle in PIN needle caulking hole, the winding be concentrated winding, the syntropy wire winding, winding head, winding tail are connected respectively on the PIN needle, the circuit board on be equipped with the PIN needle jack that corresponds with the PIN needle, the circuit board match the electricity through PIN needle jack and PIN needle and be connected, the circuit board can select different control number of poles circuit boards. The winding head and the winding tail of each winding are connected with the circuit boards for realizing circuits with different pole numbers after being led out through the PIN needles, the realization of the different pole numbers is realized without different structures of the stator, the connection of the same stator structure and the circuit boards with different pole numbers can be conveniently realized, the universality of the stator is effectively improved, the difficulty of the production process of the stator is reduced, the production preparation time of the stator is shortened, and the production cost is reduced.

As a preferable technical means: the iron core is formed by splicing a plurality of independent iron core monomers in a circumferential surrounding manner. Independent iron core monomer is convenient for production processes such as wire winding in later stage, and the iron core monomer of this structure generally is folded by the punching and is pressed and form, but punching the piece linear type punching press composing, and material utilization is high.

As a preferable technical means: the adjacent iron core monomers are fixedly connected through a concave-convex embedded matching structure. The connection is stable and reliable.

As a preferable technical means: the insulating bush comprises a plurality of bush monomers, wherein two ends of each iron core monomer are respectively provided with one bush monomer, and the shape of each bush monomer is matched with that of each iron core monomer. Match through bush monomer and iron core monomer, the winding wire winding is realized alone to every iron core monomer in later stage, and the production side is convenient, simultaneously, can effectual improvement winding groove filling rate, promotes motor power density.

As a preferable technical means: 2 end to PIN needles are embedded through 2 PIN needle embedding holes on each bushing monomer, and the winding head and the winding tail are respectively wound on the 2 PIN needles. The independent leading-out of the winding head and the winding tail of each winding is conveniently realized.

As a preferable technical means: and the winding head and the winding tail are connected with the PIN needle in a welding manner. The connection reliability is high, and the electric conductivity is better.

As a preferable technical means: the circuit board is connected with the PIN PINs in a matching way through the PIN PIN jacks and then soldered. The connection reliability is high, and the electric conductivity is better.

As a preferable technical means: the circuit board adopts a multilayer circuit board. Compared with a single-layer circuit board, the circuit board has the advantages of smaller volume, lighter weight and capability of realizing more circuit functions.

As a preferable technical means: the iron core is formed by splicing 12 iron core monomers in the circumferential direction, and the circuit board comprises a circuit board which is connected with 8P and 10P magnetic poles. The circuit board with 8P and 10P magnetic poles can be selected according to the pole number for production.

Has the advantages that: the winding head and the winding tail of each winding are connected with the circuit boards for realizing circuits with different pole numbers after being led out through the PIN needles, the realization of the different pole numbers is realized without different structures of the stator, the connection of the same stator structure and the circuit boards with different pole numbers can be conveniently realized, the universality of the stator is effectively improved, the difficulty of the production process of the stator is reduced, the production preparation time of the stator is shortened, and the production cost is reduced.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic diagram of the combination of the iron core single body, the bushing single body and the winding of the present invention.

Fig. 3 is a schematic view of the bushing unit of the present invention.

Fig. 4 is the utility model discloses winding and PIN needle connection schematic diagram.

Fig. 5 is a schematic diagram of the structure of the adjacent iron core units.

In the figure: 1-an iron core; 2-an insulating bush; 3-PIN needle; 4-a circuit board; 5-winding; 101-iron core monomer; 201-a liner monomer; 202-PIN needle embedding holes; 501-winding head; 502-winding tail.

Detailed Description

The technical solution of the present invention will be further described in detail with reference to the accompanying drawings.

As shown in fig. 1-5, a stator structure that can join in marriage different number of poles circuit board, the stator includes iron core 1, insulating bush 2 and 12 windings 5, insulating bush 2 keeps apart winding 5 and iron core 1, it is equipped with 2 end to PIN needle inserted hole 202 to lie in the outside of every winding 5 on insulating bush 2, PIN needle 3 is embedded to PIN needle inserted hole 202, winding 5 is concentrated winding 5, the syntropy wire winding, winding head 501, winding tail 502 are connected respectively on PIN needle 3, be equipped with the PIN needle jack that corresponds with PIN needle 3 on the circuit board 4, circuit board 4 matches the electricity through PIN needle jack and is connected with PIN needle 3, circuit board 4 can join in marriage 8P number of poles or 10P number of poles circuit board 4 of control, in order to realize 8P number of poles or 10P number of poles motor production.

In order to improve the material utilization rate, the iron core 1 is formed by splicing 12 independent iron core single bodies 101 in a circumferential direction. Independent iron core monomer 101 is convenient for production processes such as wire winding in later stage, and the iron core monomer 101 of this structure generally is folded by the punching and is pressed and form, but punching linear type punching press typesetting, material utilization is high.

In order to make the connection stable and reliable, the adjacent iron core single bodies 101 are connected and fixed through a matching structure in which concave and convex parts are embedded. The connection is stable and reliable.

For the convenience of production, the insulating bush 2 comprises 12 bush single bodies 201, and two ends of each core single body 101 are respectively provided with one bush single body 201, and the shape of each bush single body is matched with that of the core single body 101. Match through bushing monomer 201 and iron core monomer 101, the 5 wire windings of winding are realized alone to every iron core monomer 101 in later stage, and the production side is convenient, simultaneously, can effectual improvement wire winding groove filling rate, promote motor power density.

In order to realize the independent extraction of the winding head 501 and the winding tail 502 of each winding 5, 2 end PINs 3 are embedded in each bushing single body 201 through 2 PIN inserting holes 202, and the winding head 501 and the winding tail 502 are respectively wound on the 2 PIN PINs 3. The independent leading-out of the winding head 501 and the winding tail 502 of each winding 5 is conveniently realized.

In order to realize better electrical conductivity, the winding head 501 and the winding tail 502 are connected with the PIN 3 in a welding mode, and the circuit board 4 is connected with the PIN 3 in a matching mode through the PIN jack and then soldered. The connection reliability is high, and the electric conductivity is better.

Effectively realize multipolar control circuit, circuit board 4 adopts multilayer circuit board 4. The multi-pole control circuit can be effectively realized, and compared with the single-layer circuit board 4, the circuit board 4 has smaller volume and lighter weight and can realize more circuit functions.

When the stator is manufactured, firstly, the bushing single body 201 is matched with the iron core single body 101 to form an insulating iron core body; putting the insulated iron core body into a winding machine, and winding the enameled wire to form a single winding iron core body; splicing 12 winding iron core bodies into a circle to form a winding stator; according to production requirements, the multilayer circuit board 4 corresponding to the 8P or 10P magnetic pole is connected with the wound stator in a mode that the PIN PINs 3 are matched with the PIN PIN insertion holes, and then the stator finished product is formed through soldering.

The motor stator can be conveniently connected with circuit boards with different pole numbers through the same stator structure, the motors with different pole numbers can be produced, the stator is good in universality, the production efficiency is high, and the production cost is lower.

The above stator structure shown in fig. 1-5, which can be used with circuit boards of different numbers of poles, is a specific embodiment of the present invention, and embodies the substantial features and advantages of the present invention, and can be modified in the aspects of shape, structure, etc. according to the practical needs of use, all within the scope of protection of the present solution.

Claims

1. The utility model provides a can join in marriage stator structure of different number of poles circuit boards, the stator include iron core (1), insulating bush (2) and a plurality of winding (5), insulating bush (2) keep apart winding (5) and iron core (1), its characterized in that: insulating bush (2) on lie in the outside of every winding (5) and be equipped with 2 ends and inlay hole (202) to PIN needle, the embedded PIN needle (3) in PIN needle inlay hole (202), winding (5) for concentrating winding (5), syntropy wire winding, winding head (501), winding tail (502) are connected respectively on PIN needle (3), circuit board (4) on be equipped with the PIN needle jack that corresponds with PIN needle (3), circuit board (4) match the electricity through PIN needle jack and PIN needle (3) and be connected, circuit board (4) optionally join in marriage different control number of poles circuit board (4).

2. The stator structure of claim 1, wherein the stator structure is configured to accommodate circuit boards with different numbers of poles, and comprises: the iron core (1) is formed by splicing a plurality of independent iron core single bodies (101) in a circumferential surrounding manner.

3. The stator structure of claim 2, wherein the stator structure is adapted to be mounted on circuit boards with different numbers of poles, and comprises: the adjacent iron core single bodies (101) are connected and fixed through a matching structure in which concave-convex embedded parts are arranged.

4. The stator structure of claim 3, wherein the stator structure is configured to be used with circuit boards having different numbers of poles, and comprises: the insulating bush (2) comprises a plurality of bush single bodies (201), two ends of each iron core single body (101) are respectively provided with one bush single body (201), and the shape of each bush single body is matched with that of each iron core single body (101).

5. The stator structure of claim 4, wherein the stator structure is configured to be mounted on circuit boards with different numbers of poles, and comprises: 2 ends of each bushing monomer (201) are embedded into the PIN PINs (3) through 2 PIN PIN embedding holes (202), and the winding head (501) and the winding tail (502) are wound on the 2 PIN PINs (3) respectively.

6. The stator structure of claim 5, wherein the stator structure is configured to be used with circuit boards having different numbers of poles, and comprises: and the winding head (501), the winding tail (502) and the PIN needle (3) are connected in a welding manner.

7. The stator structure of claim 6, wherein the stator structure is configured to be mounted on circuit boards with different numbers of poles, and comprises: the circuit board (4) is connected with the PIN PINs (3) in a matching way through the PIN PIN jacks and then soldered.

8. The stator structure of claim 7, wherein the stator structure is configured to be mounted on circuit boards with different numbers of poles, and comprises: the circuit board (4) adopts a multilayer circuit board (4).

9. The stator structure of claim 2, wherein the stator structure is adapted to be mounted on circuit boards with different numbers of poles, and comprises: iron core (1) form by 12 iron core monomer (101) circumference concatenations, circuit board (4) including circuit board (4) of connecting 8P and 10P magnetic poles.