CN215221854U

CN215221854U - Stator assembly structure

Info

Publication number: CN215221854U
Application number: CN202121183853.5U
Authority: CN
Inventors: 徐敬宇; 王建辉
Original assignee: Zhuhai Kavol Motor Co ltd
Current assignee: Zhuhai Kavol Motor Co ltd
Priority date: 2021-05-28
Filing date: 2021-05-28
Publication date: 2021-12-17
Anticipated expiration: 2031-05-28

Abstract

The utility model discloses a stator assembly structure, which changes the groove shape of the iron core lamination notch, wherein the notch is composed of side edges and connecting arcs, the side edges are respectively arranged at the two sides of the notch, and the side edges at the two sides are butted through the connecting arcs; the center of a circle of the connecting arc is the center of a circle of the iron core lamination, the central angle of the connecting arc is 45 degrees, and two adjacent notches are axisymmetric. The iron core lamination is formed by uniformly arranging 8 same notches to form a 360-degree circumference, so that the effective width of a yoke part is consistent, the magnetic potential balance of a magnetic circuit is ensured, and the motor adopting the structure has stronger overload capacity; in addition, the coil winding used in the bobbin configured on the stator core in the structure is a first coil winding and a second coil winding which are independent respectively; the scheme has the advantages of simple structure, compact matching, reasonable design and the like; therefore, the product has excellent technical and economic performance.

Description

Stator assembly structure

[ technical field ] A method for producing a semiconductor device

The utility model mainly relates to a stator module structure.

[ background of the invention ]

The motor not only has the advantages of simple structure, reliable operation, small volume, low loss, high efficiency and the like, but also has the advantages of easy change of the shape and the size of the motor and the like, so that the motor has extremely wide application range, almost extends to various fields of automobiles, industry and agriculture and daily life, generally, the motor comprises a rotor assembly and a stator assembly, and the rotor assembly and the stator assembly work by utilizing the electromagnetic induction principle. The stator core of the existing stator assembly is generally formed by laminating punching sheets, and enameled wire winding is carried out after laminating insulation; the stator core has a large influence on the performance of the motor, and the notch between the tooth parts of the existing stator is unreasonable in design, so that the heat dissipation effect of the motor is poor, and the overload capacity of the motor is influenced; in view of this, we propose a new design scheme for adjusting the stator structure.

[ Utility model ] content

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least, adjust stator structure, provide a new structural scheme, this stator module structure adopts following technical scheme:

the utility model provides a stator module structure, includes stator core, stator core comprises a plurality of iron core lamination, its characterized in that: the iron core lamination is provided with a yoke part, a plurality of tooth parts extend out of the yoke part in the radial direction of the iron core lamination, and the tooth parts are uniformly distributed in a circumferential mode; a notch is formed between every two adjacent tooth parts, the notch consists of side edges and a connecting arc, the side edges are respectively arranged at two sides of the notch, and the side edges at the two sides are butted through the connecting arc;

the side edge is composed of three straight edges, the three straight edges are respectively a first section straight edge, a middle section straight edge and an end section straight edge, and the first section straight edge and the end section straight edge are folded towards the same side of the middle section straight edge.

Preferably, the center of the connecting arc is the center of the core lamination.

Preferably, the central angle of the connecting arc is 45 degrees.

Preferably, two adjacent notches are axisymmetrical.

Preferably, the stator core is provided with a wire frame, and the wire frame is partially buckled on the stator core to form an integral structure; the coil winding is wound on the bobbin and located at the tooth portion.

Preferably, the coil windings comprise a first coil winding and a second coil winding, the first coil winding and the second coil winding are adjacently arranged, and the same coil winding is wound on the separated tooth parts.

Preferably, the outer side of the yoke is provided with a fool-proof opening.

The utility model discloses compare produced beneficial effect with the background art:

the utility model adopts the above scheme, the groove shape of the iron core lamination notch is changed, the notch is composed of the side edges and the connecting arc, the side edges are respectively arranged at the two sides of the notch, and the side edges at the two sides are butted through the connecting arc; the center of a circle of the connecting arc is the center of a circle of the iron core lamination, the central angle of the connecting arc is 45 degrees, and two adjacent notches are axisymmetric. The iron core lamination is formed by uniformly arranging 8 same notches to form a 360-degree circumference, so that the effective width of a yoke part is consistent, the magnetic potential balance of a magnetic circuit is ensured, and the motor adopting the structure has stronger overload capacity; in addition, the coil winding used in the bobbin configured on the stator core in the structure is a first coil winding and a second coil winding which are independent respectively; the scheme has the advantages of simple structure, compact matching, reasonable design and the like; therefore, the product has excellent technical and economic performance.

[ description of the drawings ]

Fig. 1 is a schematic view of a stator assembly in a preferred embodiment of the present invention;

fig. 2 is a schematic view of a stator assembly according to a preferred embodiment of the present invention;

fig. 3 is an exploded view of a stator assembly according to a preferred embodiment of the present invention;

fig. 4 is a schematic view of a stator core according to a preferred embodiment of the present invention;

fig. 5 is a schematic view of a stator core layout according to a preferred embodiment of the present invention.

[ detailed description ] embodiments

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout.

In the present invention, unless otherwise expressly specified or limited, the terms "assembled", "connected", and "connected", if any, are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; or may be a mechanical connection; the two elements can be directly connected or connected through an intermediate medium, and the two elements can be communicated with each other. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to specific situations.

The technical solution and the advantages of the present invention will be more clear and clear by further describing the embodiments of the present invention with reference to the drawings of the specification. The embodiments described below are exemplary and are intended to be illustrative of the present invention, but should not be construed as limiting the invention.

The utility model provides a preferred embodiment: as shown in fig. 1 to 5, a stator assembly structure includes a stator core 1, where the stator core 1 is composed of a plurality of core laminations 2, each core lamination 2 has a yoke portion 21, a fool-proof opening 22 is formed at an outer side of the yoke portion 21, and the fool-proof opening 22 is formed at a corner position of the stator core 1 to facilitate alignment and installation; the yoke 21 extends out of a plurality of tooth parts 3 along the radial direction of the iron core lamination 2, and the tooth parts 3 are uniformly arranged in a circumferential mode; referring to fig. 5, the core laminations 2 are bounded by dividing lines 11, the line inner portion is a tooth portion 3, the line outer portion is a yoke portion 21, slots 4 are provided between adjacent tooth portions 3, and adjacent two slots 4 are axisymmetric. The iron core lamination is by 8 same notch align to grid and form 360 degrees circumferences, makes yoke portion effective width unanimous, guarantees that magnetic circuit magnetic potential is balanced.

The notch 4 consists of side edges 41 and connecting arcs 42, the side edges 41 are respectively arranged at two sides of the notch 4, and the side edges 41 at the two sides are butted through the connecting arcs 42; the circle center of the connecting arc 42 is the circle center of the iron core lamination 2, and the central angle of the connecting arc 42 is 45 degrees.

The side edge 41 is composed of three straight edges, the three straight edges are a first straight edge 43, a middle straight edge 44 and an end straight edge 45 respectively, the first straight edge 43 and the end straight edge 45 are folded towards the same side of the middle straight edge 44, the folding directions of the first straight edges in the two groups of side edges of a single notch are opposite, the length of the first straight edge is greater than that of the end straight edge, and the end straight edges in the two groups of side edges of the single notch are not connected.

The stator core 1 is provided with a wire frame 5, and the wire frame 5 is partially buckled on the stator core 1 to form an integral structure; the bobbin 5 is wound with coil windings 51, and the coil windings 51 are located at the teeth 3. The coil winding 51 includes a first coil winding 52 and a second coil winding 53, the first coil winding 52 and the second coil winding 53 are adjacently disposed, and the same coil winding is wound on the separated teeth. Referring to fig. 3, the first coil winding 52 is wound around the a tooth, the second coil winding 53 is wound around the B tooth, the a tooth wound by the first coil winding and the B tooth wound by the second coil winding are adjacent teeth, and two a teeth wound by the first coil winding are separated by one B tooth. The coil winding in the coil holder is connected with alternating current.

In the description of the specification, reference to the description of "one embodiment," "preferably," "an example," "a specific example" or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention, and schematic representations of the terms in this specification do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

With the above structure and principle in mind, those skilled in the art should understand that the present invention is not limited to the above embodiments, and all modifications and substitutions based on the present invention and adopting the known technology in the art are within the scope of the present invention, which should be limited by the claims.

Claims

1. The utility model provides a stator module structure, includes stator core, stator core comprises a plurality of iron core lamination, its characterized in that: the iron core lamination is provided with a yoke part, a plurality of tooth parts extend out of the yoke part along the radial direction of the iron core lamination, and the tooth parts are uniformly distributed in a circumferential mode; a notch is formed between every two adjacent tooth parts, the notch consists of side edges and a connecting arc, the side edges are respectively arranged at two sides of the notch, and the side edges at the two sides are butted through the connecting arc;

2. The stator assembly structure of claim 1, wherein: the circle center of the connecting arc is the circle center of the iron core lamination.

3. The stator assembly structure of claim 1, wherein: the central angle of the connecting arc is 45 degrees.

4. The stator assembly structure of claim 1, wherein: two adjacent notches are axisymmetrical.

5. The stator assembly structure of claim 1, wherein: the stator core is provided with a wire frame, and the wire frame is partially buckled on the stator core to form an integral structure; the coil winding is wound on the bobbin and located at the tooth portion.

6. The stator assembly structure of claim 5, wherein: the coil winding comprises a first coil winding and a second coil winding, the first coil winding and the second coil winding are arranged adjacently, and the same coil winding is wound on the separated tooth parts.

7. The stator assembly structure of claim 1, wherein: the yoke portion outside is equipped with prevents slow-witted mouth.