CN220985404U

CN220985404U - Back winding type connecting terminal for motor split block type stator

Info

Publication number: CN220985404U
Application number: CN202323046340.1U
Authority: CN
Inventors: 周令康; 陆涛; 徐凡雅; 史跃; 俞帅波; 堵文灿; 吴刚
Original assignee: Wuxi Weifu High Technology Group Co Ltd
Current assignee: Wuxi Weifu High Technology Group Co Ltd
Priority date: 2023-11-10
Filing date: 2023-11-10
Publication date: 2024-05-17
Anticipated expiration: 2033-11-10

Abstract

The utility model relates to a wiring terminal for a back winding motor split type stator, which comprises three phase line copper rings and a central line copper ring; at least two outer ring calipers are fixed on the outer circle of the phase line copper rings, and a phase line outlet terminal is fixed on each phase line copper ring; an inner ring caliper is fixed on the inner circle of the central line copper ring; the insulation plastic-coated shell also comprises an insulation isolation ring and an insulation plastic-coated shell; a central line copper ring is arranged above the insulating isolation ring, and insulating isolation rings are arranged between the central line copper ring and the phase line copper ring positioned at the lowest position, between two adjacent phase line copper rings and above the phase line copper ring positioned at the highest position; the phase line copper ring, the central line copper ring and the insulating isolation ring are integrally positioned in the insulating plastic-coated shell, and the outer ring calipers, the phase line outlet terminals and the inner ring calipers extend out of the insulating plastic-coated shell. The utility model is beneficial to realizing automatic production, improving production efficiency and having high freedom of spatial arrangement of the phase line leading-out terminals.

Description

Back winding type connecting terminal for motor split block type stator

Technical Field

The utility model belongs to the technical field of motor structures, and particularly discloses a wiring terminal for a back winding type motor split type stator.

Background

The existing motor wiring terminal is connected by extending a caliper inwards or a hook, and the position of the three-phase line led out is fixed. Such a structure has the following problems:

1. because the back winding motor is wound by two grooves of the outer groove of the inner groove, connection cannot be completed only by arranging the inner ring calipers or the hooks.

2. The three-phase lines are distributed and fixed, and proper positions cannot be flexibly selected to lead out the three-phase lines.

Disclosure of Invention

The utility model aims to overcome the defects in the prior art and provide the wiring terminal for the back winding type motor split block stator, which is favorable for realizing automatic production, improving the production efficiency and has high freedom degree of spatial arrangement of phase line leading-out terminals.

According to the technical scheme provided by the utility model, the wiring terminal for the back winding motor split type stator comprises three phase line copper rings and a central line copper ring; at least two outer ring calipers are fixed on the outer circle of each phase line copper ring, a phase line outlet terminal is fixed on the outer circle or the inner circle of each phase line copper ring, and the number of the outer ring calipers on each phase line copper ring is equal; an inner ring caliper is fixed on the inner circle of the central line copper ring, and the number of the inner ring calipers is the sum of the number of the outer ring calipers on the three phase line copper rings; in the vertical direction, three phase-line copper rings are arranged at intervals, and are all positioned above the central-line copper ring;

the insulation plastic-coated shell also comprises an insulation isolation ring and an insulation plastic-coated shell;

A central line copper ring is arranged above the insulating isolation ring, and insulating isolation rings are arranged between the central line copper ring and the phase line copper ring positioned at the lowest position, between two adjacent phase line copper rings and above the phase line copper ring positioned at the highest position;

the phase line copper ring, the central line copper ring and the insulating isolation ring are integrally positioned in the insulating plastic-coated shell, and all the outer ring calipers, all the phase line outlet terminals and the inner ring calipers extend out of the insulating plastic-coated shell.

Preferably, the outer ring calipers are uniformly distributed on the outer circles of the corresponding phase line copper rings.

Preferably, a phase wire outlet terminal is fixed on the inner circle of each phase wire copper ring.

Preferably, the inner ring calipers are uniformly distributed on the inner circle of the central line copper ring.

The utility model is beneficial to realizing automatic production, improving production efficiency and having high freedom of spatial arrangement of the phase line leading-out terminals.

Drawings

Fig. 1 is a front view of the present utility model.

Fig. 2 is a top view of the present utility model.

Fig. 3 is a perspective view of the present utility model after removal of the insulating overmolded housing.

Fig. 4 is a schematic diagram of an assembly of the present utility model with a back wound stator core and coil.

Detailed Description

The utility model will be further illustrated with reference to specific examples.

The utility model relates to a wiring terminal for a back winding motor split type stator, which comprises three phase line copper rings 1 and a central line copper ring 2; at least two outer ring calipers 1.1 are fixed on the outer circle of each phase line copper ring 1, one phase line outlet terminal 1.2 is fixed on the outer circle or the inner circle of each phase line copper ring 1, and the number of the outer ring calipers 1.1 on each phase line copper ring 1 is equal; an inner ring caliper 2.1 is fixed on the inner circle of the central line copper ring 2, and the number of the inner ring calipers 2.1 is the sum of the number of the outer ring calipers 1.1 on the three phase line copper rings 1; in the vertical direction, three phase-line copper rings 1 are arranged at intervals, and the three phase-line copper rings 1 are all positioned above a central-line copper ring 2;

The insulation plastic-coated shell also comprises an insulation isolation ring 3 and an insulation plastic-coated shell 4;

A central line copper ring 2 is arranged above the insulating isolation ring 3, and the insulating isolation ring 3 is arranged between the central line copper ring 2 and the phase line copper ring 1 positioned at the lowest part, between two adjacent phase line copper rings 1 and above the phase line copper ring 1 positioned at the highest part;

the phase line copper ring 1, the central line copper ring 2 and the insulating isolation ring 3 are integrally positioned in the insulating plastic-coated shell 4, and all the outer ring calipers 1.1, all the phase line outlet terminals 1.2 and the inner ring calipers 2.1 extend out of the insulating plastic-coated shell 4.

The outer ring calipers 1.1 are uniformly distributed on the outer circle of the corresponding phase line copper ring 1.

A phase line outlet terminal 1.2 is fixed on the inner circle of each phase line copper ring 1.

The inner ring calipers 2.1 are uniformly distributed on the inner circle of the central line copper ring 2.

Fig. 4 includes a back-wound stator core 5 and a back-wound coil 6. Because of the special nature of the back winding type motor stator winding structure, each slot is divided into an inner slot outgoing line and an outer slot outgoing line, and the inner slot outgoing line and the outer slot outgoing line can be mutually positive and negative. The structure is characterized in that the positive poles of each phase are connected through the inner ring calipers 2.1 or the outer ring calipers 1.1 of each groove, all the negative poles are connected through the central line copper rings 2 through the inner ring calipers 2.1 or the outer ring calipers 1.1 of each groove, and finally three phase lines are led out through the three phase line outlet terminals 1.2 connected with the three phase line copper rings 1, and finally are fixed into a whole through the insulating plastic-coated shell 4, and only the inner ring calipers 2.1, the outer ring calipers 1.1 and the phase line outlet terminals 1.2 are exposed to form a complete wiring terminal structure.

The utility model is suitable for the back winding motor due to the adoption of the inner and outer ring caliper structure. The whole insulation plastic-coated shell 4 can optimize the coil at the end part of the back winding type coil 6, and the phase line leading-out terminals 1.2 belong to rigid terminals, so that confusion among phase lines is avoided, the outgoing positions of the phase lines can be accurately fixed, the positions can be distributed on the whole structure, and the motor assembly is facilitated to be assembled automatically. In addition, the utility model is suitable for the back winding type split motor stator core, has high winding flexibility and is beneficial to mass automatic production.

The utility model has the following advantages:

1. The stator end calipers (comprising all the outer ring calipers 1.1 and the inner ring calipers 2.1) can avoid the lamination between the traditional end windings, thereby avoiding the damage of an insulating paint layer caused by extrusion, and meanwhile, the insulating plastic-coated shell 4 is tightly connected with the back winding type stator core 5, so that the rigidity of the stator is increased.

2. After the inner and outer caliper structures are adopted, the wiring end positions are fixed, so that automatic production is realized, and the production efficiency is improved. Meanwhile, after welding is finished, the phase line leading-out terminal belongs to a rigid terminal, and the size of a line outlet position can be fixed, so that the motor assembly is facilitated to be assembled automatically.

3. The phase line leading-out terminals can be distributed randomly on the whole structure, and the space arrangement degree of freedom is high.

Claims

1. A wiring terminal for a back winding motor split stator comprises three phase line copper rings (1) and a central line copper ring (2); the method is characterized in that: at least two outer ring calipers (1.1) are fixed on the outer circle of each phase line copper ring (1), one phase line outlet terminal (1.2) is fixed on the outer circle or the inner circle of each phase line copper ring (1), and the number of the outer ring calipers (1.1) on each phase line copper ring (1) is equal; an inner ring caliper (2.1) is fixed on the inner circle of the central line copper ring (2), and the number of the inner ring calipers (2.1) is the sum of the numbers of the outer ring calipers (1.1) on the three phase line copper rings (1); in the vertical direction, three phase line copper rings (1) are arranged at intervals, and the three phase line copper rings (1) are all positioned above a central line copper ring (2);

The insulation plastic-coated shell also comprises an insulation isolation ring (3) and an insulation plastic-coated shell (4);

A central line copper ring (2) is arranged above the insulating isolation ring (3), and the insulating isolation ring (3) is arranged between the central line copper ring (2) and the phase line copper ring (1) positioned at the lowest position, between two adjacent phase line copper rings (1) and above the phase line copper ring (1) positioned at the highest position;

The phase line copper ring (1), the central line copper ring (2) and the insulating isolation ring (3) are integrally arranged in the insulating plastic-coated shell (4), and all the outer ring calipers (1.1), all the phase line outgoing terminals (1.2) and the inner ring calipers (2.1) extend out of the insulating plastic-coated shell (4).

2. The back-wound motor split stator terminal as claimed in claim 1, wherein: the outer ring calipers (1.1) are uniformly distributed on the outer circle of the corresponding phase line copper ring (1).

3. The back-wound motor split stator terminal as claimed in claim 1, wherein: and a phase line outgoing terminal (1.2) is fixed on the inner circle of each phase line copper ring (1).

4. The back-wound motor split stator terminal as claimed in claim 1, wherein: the inner ring calipers (2.1) are uniformly distributed on the inner circle of the central line copper ring (2).