CN215009802U

CN215009802U - Low-cost triangle-shaped wiring motor

Info

Publication number: CN215009802U
Application number: CN202120549576.9U
Authority: CN
Inventors: 刘天文
Original assignee: Suzhou Aichi Gauss Motors Co ltd
Current assignee: Suzhou Aichi Gauss Motors Co ltd
Priority date: 2021-03-17
Filing date: 2021-03-17
Publication date: 2021-12-03
Anticipated expiration: 2031-03-17

Abstract

The utility model discloses a low-cost triangle-shaped wiring motor relates to motor technical field, when aiming at solving Y shape wiring motor and handling through the neutral point, need expend material and time, and the sample stage point of continuing still needs manual welding, insulating nature is difficult to guarantee, problem that the cost of labor is high. The technical scheme is that the winding device comprises a stator core and a rotor core, the outer diameter of the stator core is 47mm, the winding style is phi 0.57 x 191T, one end of the stator core is provided with a lead side framework, one end, away from the lead side framework, of the stator core is provided with a reverse lead side framework, a plurality of convex parts are arranged on the inner wall of the reverse lead side framework at equal intervals in the circumferential direction, a through groove is formed in the bottom surface of each convex part, and a positioning pin matched with the stator core is arranged in each through groove in a penetrating mode. The winding mode is changed from Y to triangular wiring, the winding style is reset, so that the load characteristic of the motor is kept unchanged, the performance requirements of customers are met, meanwhile, the triangular wiring motor can reduce the required materials and time during neutral point processing, and the labor cost is reduced.

Description

Low-cost triangle-shaped wiring motor

Technical Field

The utility model belongs to the technical field of the technique of motor and specifically relates to a low-cost triangle-shaped wiring motor is related to.

Background

Electric machines typically include a rotor and a stator that are driven in rotation relative to the stator by magnetic field interaction between the rotor and the stator. The stator of the motor, such as a brushless motor, includes a stator core and a stator winding, the stator core includes a yoke portion and a plurality of teeth portions extending inward from the yoke portion, winding slots are formed between adjacent teeth portions, and the stator winding is wound around the plurality of teeth portions and is accommodated in the winding slots. The stator winding is directly wound on a plurality of teeth of the stator core by utilizing insulation frameworks which are arranged at two ends of the stator core, usually, convex parts are convexly arranged on the insulation frameworks, and correspondingly, concave parts matched with the convex parts are arranged on the stator core.

The existing Y-shaped wiring motor adopts 12-slot 8-pole and 4-Y-shaped wiring. The stator has an outer diameter of 94mm, a product thickness of 37mm, and a winding pattern of phi 0.53 x 1105T. The neutral point of the stator is protected by neutral point sealing resin after being treated, and the copper wire is varnish treated to protect the copper wire.

The above prior art solutions have the following drawbacks: when the Y-shaped wiring motor is subjected to neutral point treatment, materials and time need to be consumed, the connection point at the sample stage still needs to be manually welded, the insulativity is difficult to guarantee, the labor cost is high, and therefore further improvement is needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a low-cost triangle-shaped wiring motor, it has the effect that required material and time, reduction cost of labor when reducing the neutral point and handling.

The above technical purpose of the present invention can be achieved by the following technical solutions:

the utility model provides a low-cost triangle-shaped wiring motor, includes stator core and rotor core, stator core external diameter 47mm, amasss thick 37mm, and the spiral style is phi 0.57X 191T, stator core's one end is provided with the annular lead wire side skeleton of circle, stator core keeps away from the one end of lead wire side skeleton and is provided with the annular anti-lead wire side skeleton of circle, circumference equidistance interval is provided with a plurality of convex parts on the inner wall of anti-lead wire side skeleton, every logical groove has all been seted up on the bottom surface of convex part, every it all wears to be equipped with stator core complex locating pin to lead to the inslot.

The utility model discloses further set up to: and a plurality of grooves are formed in the top surface of the reverse lead side framework at equal intervals in the circumferential direction.

The utility model discloses further set up to: the height of the reverse lead side framework is 10-15mm, the wall thickness is 2-3mm, and the outer diameter R is 43.6-44.6 mm.

The utility model discloses further set up to: and reinforcing ribs are arranged at the assembly positions of the bottom of the lead side framework and the iron core.

The utility model discloses further set up to: and the outer circumferential side surface of the lead side framework is provided with a binding hole, and the reinforcing rib is connected outside the binding hole.

The utility model discloses further set up to: the height of the lead side framework is 15-20mm, the wall thickness is 2-3mm, and the outer diameter R is 43.6-44.6 mm.

To sum up, the utility model discloses a beneficial technological effect does:

1. through the arrangement of the triangular wiring motor, the wiring mode is changed from Y to triangular wiring, and the winding style is reset, so that the load characteristic of the motor is kept unchanged, the performance requirements of customers are met, and meanwhile, the triangular wiring motor can reduce the required materials and time during neutral point processing, so that the labor cost is reduced;

2. through the arrangement of the through grooves, the through grooves can save materials for injection molding of the reverse lead side framework on one hand, and can provide a heat dissipation function on the other hand;

3. through the setting of recess, save material on the one hand, on the other hand is unlikely to reduce the insulating distance of copper line to iron core again.

Drawings

Fig. 1 is a schematic structural view for showing a reverse lead side skeleton.

Fig. 2 is a schematic structural view for showing a lead side skeleton.

In the figure, 1, lead side frame; 2. reinforcing ribs; 3. binding holes; 4. a reverse lead side frame; 41. a groove; 5. a convex portion; 51. a through groove; 6. and a positioning pin.

Detailed Description

The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so as to enable those skilled in the art to more easily understand the advantages and features of the present invention, and thereby define the scope of the invention more clearly and clearly.

Refer to fig. 1 and 2, do the utility model discloses a low-cost triangle-shaped wiring motor, including stator core and rotor core, stator core external diameter 47mm, amasss thick 37 mm. Through the equivalent conversion relation between the triangular connection and the Y-shaped connection, the motor is designed into a 2-triangular connection mode, a 12-slot 8-pole concentrated winding motor, and the winding style is phi 0.57 × 191T. And (3) processing a splicing point at a sample stage manually, sleeving a heat-shrinkable sleeve after the splicing point is welded, and then protecting the sleeve by using a double-layer sleeve so as to improve the insulativity.

Referring to fig. 1 and 2, one end of the stator core is provided with a circular lead side frame 1, and binding holes 3 are arranged on the outer circumferential side surface of the lead side frame 1 at equal intervals in the circumferential direction, so that the crossover function is met, and the binding function is also considered. The height of the lead side framework 1 is 15-20mm, the wall thickness is 2-3mm, and the outer diameter R is 43.6-44.6 mm. In order to further improve the strength of the lead side framework 1, six reinforcing ribs 2 are uniformly and additionally arranged at the bottom of the lead side framework 1, and the reinforcing ribs 2 are circumferentially arranged at equal intervals. The reinforcing ribs 2 are connected outside the binding holes 3.

Referring to fig. 1 and 2, an annular reverse lead side framework 4 is arranged at one end of the stator core, which is far away from the lead side framework 1, the height of the reverse lead side framework 4 is 10-15mm, the wall thickness is 2-3mm, and the outer diameter R is 43.6-44.6 mm. The inner wall of the reverse lead side framework 4 is provided with a plurality of convex parts 5 at equal intervals in the circumferential direction, the bottom surface of each convex part 5 is provided with a through groove 51, and a positioning pin 6 matched with the stator core is arranged in each through groove 51 in a penetrating manner. The through groove 51 saves materials for injection molding of the reverse lead side frame 4 on one hand, and can provide a heat dissipation function on the other hand. The top surface of the reverse lead side framework 4 is provided with a plurality of grooves 41 at equal intervals in the circumferential direction, so that on one hand, materials are saved, and on the other hand, the insulation distance from a copper wire to an iron core is not reduced.

The implementation principle of the embodiment is as follows: the winding mode is changed from Y to triangular wiring, the winding style is reset, so that the load characteristic of the motor is kept unchanged, the performance requirements of customers are met, and meanwhile, the triangular wiring motor can reduce the required materials and time during neutral point processing, so that the labor cost is reduced.

When the spot welding is performed in a sample stage, a copper wire is subjected to involucra removal, then a layer of phi 2.0 heat-shrinkable sleeve is sleeved, then the sleeve is heated and shrunk to be tightly attached to the copper wire, then a PET double-layer sleeve is sleeved for protection, the double-layer sleeve is composed of phi 2.5+ phi 3.5 sleeves, a little margin is reserved at the end part when the double-layer sleeve is sleeved, the extending part of the double-layer sleeve is bent during binding, then the double-layer sleeve is fixed on a framework through a binding wire, finally, the product is dried, and the insulativity of a joint is greatly improved.

Due to the design of the new framework, the coils which need to be connected in series after being wound are directly wound on the framework by a winding machine during mass production, and the middle part does not need to be broken (manually welded together when the coils are broken), so that the working procedures are saved, and the cost is reduced.

The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.

Claims

1. The utility model provides a low-cost triangle-shaped wiring motor, includes stator core and rotor core, its characterized in that: stator core external diameter 47mm, amasss thick 37mm, and the spiral style is phi 0.57 191T, stator core's one end is provided with annular lead wire side skeleton (1), the one end that stator core kept away from lead wire side skeleton (1) is provided with annular anti-lead wire side skeleton (4), circumference equidistance interval is provided with a plurality of convex parts (5) on the inner wall of anti-lead wire side skeleton (4), every logical groove (51) have all been seted up on the bottom surface of convex part (5), every lead to all wear to be equipped with in groove (51) with stator core complex locating pin (6).

2. A low cost delta-connected electric motor as set forth in claim 1, wherein: and a plurality of grooves (41) are formed in the top surface of the reverse lead side framework (4) at intervals in the circumferential direction.

3. A low cost delta-connected electric motor as set forth in claim 2, wherein: the height of the reverse lead side framework (4) is 10-15mm, the wall thickness is 2-3mm, and the outer diameter R is 43.6-44.6 mm.

4. A low cost delta-connected electric motor as set forth in claim 1, wherein: and reinforcing ribs (2) are arranged at the assembly positions of the bottom of the lead side framework (1) and the iron core.

5. A low cost delta-connected electric motor according to claim 4, wherein: the lead wire side frame is characterized in that a binding hole (3) is formed in the outer circumferential side face of the lead wire side frame (1), and the reinforcing rib (2) is connected to the outside of the binding hole (3).

6. A low cost delta-connected electric motor as set forth in claim 5, wherein: the height of the lead side framework (1) is 15-20mm, the wall thickness is 2-3mm, and the outer diameter R is 43.6-44.6 mm.