CN211606225U

CN211606225U - Flat wire stator structure

Info

Publication number: CN211606225U
Application number: CN202020687267.3U
Authority: CN
Inventors: 郭俊起
Original assignee: Tianjin Zhongyi Yinzhou Motor Manufacturing Co ltd
Current assignee: Tianjin Zhongyi Yinzhou Motor Manufacturing Co ltd
Priority date: 2020-04-29
Filing date: 2020-04-29
Publication date: 2020-09-29
Anticipated expiration: 2030-04-29

Abstract

The application discloses a flat wire stator structure, which comprises a stator core, a vertical winding coil, an end ring and a connecting mechanism, wherein the stator core is arranged on the stator core; the vertical winding coil is wound by a flat copper wire; the vertical winding coil is sleeved with the stator core; the end ring includes an insulating base; the bottom end of the insulating base abuts against the stator iron core; a plurality of communication lines are nested at the top end of the insulating base; two ends of the communication line are connected with the vertical winding coil through the connecting mechanism to form a line set. The flat wire stator is simple in structure assembly, visual and convenient in quality detection, and convenient to disassemble and maintain.

Description

Flat wire stator structure

Technical Field

The application relates to the technical field of motor manufacturing, in particular to a flat wire stator structure.

Background

The flat wire motor is successfully applied to multiple industrial fields such as water and electricity, wind power and the like, and in recent years, along with market expansion and technical breakthrough of new energy automobiles, the flat wire motor is gradually applied to the field of driving of new energy automobiles, and compared with a traditional round wire motor, the flat wire motor has the advantages of higher power density, better reliability and lower fault repair rate. At present, the flat wire motor is successfully applied to the whole automobile of the automobile by advanced enterprises of new energy automobiles such as Puruis, Tesla and the like abroad, and industrialization is successfully realized. In China, various enterprises in China also reserve a large amount of related technical and technological capabilities of flat wire motors.

However, the flat copper wire material adopted by the flat wire motor is used for winding, so that the manufacturing process still has higher technical difficulty. Among the prior art, adopt the welding form to form the winding with the coil connection usually, need carry out different degrees to the many flat type copper lines of welding point department and buckle, the degree of difficulty of buckling is big, and time consuming is long, can also seriously harm original insulation of flat type copper line and copper line performance simultaneously, appears welding quality harmfully and be difficult to detect simultaneously and discover to lead to the stator to generate heat seriously, and welded motor stator can not carry out the not damaged and disassemble moreover.

Disclosure of Invention

In view of the above-mentioned drawbacks and deficiencies of the prior art, it is desirable to provide a flat wire stator structure that is simple to assemble, intuitive to quality check, and easy to disassemble for repair.

The application provides a flat wire stator structure, which comprises a stator core, a vertical winding coil, an end ring and a connecting mechanism, wherein the stator core is provided with a plurality of stator cores; the vertical winding coil is wound by a flat copper wire; the vertical winding coil is sleeved with the stator core;

the end ring includes an insulating base; the bottom end of the insulating base abuts against the stator iron core; a plurality of communication lines are nested at the top end of the insulating base; two ends of the communication line are connected with the vertical winding coil through the connecting mechanism to form a line set.

The above aspect and any possible implementation further provide an implementation in which the connecting structure includes a connecting rod; fixing grooves are fixedly arranged at both ends of the connecting rod; the connecting rod extends into the fixing groove; the side vertical surface of the fixing groove, which is far away from the connecting rod, is provided with a threaded hole; a fastening bolt is sleeved in the internal thread of the threaded hole; the threaded end of the fastening bolt extends into the fixing groove and is rotatably connected with the fixing plate; the top end and the bottom end of the connecting groove are both provided with openings; the connecting rod is made of a conductive material.

In the aspect and any possible implementation manner described above, there is further provided an implementation manner, wherein a plurality of positioning cards are fixedly arranged at the bottom end of the insulating base; and one end of the stator core, which is contacted with the insulating base, is provided with a positioning groove corresponding to the positioning card.

The above-mentioned aspect and any possible implementation manner further provide an implementation manner that at least three positioning clips are provided, and the positioning clips are uniformly arranged along the circumferential direction of the inner ring surface of the insulating base.

Compared with the prior art, the beneficial effects of this application are:

according to the flat wire stator structure, the end ring is connected with the vertically wound coil through the connecting mechanism to form a wire group, the flat wire does not need to be welded and bent, the assembly is simple, the quality detection is visual, and meanwhile, the damage of the external insulation and the internal conductor of the flat wire caused by bending the flat wire is avoided; when the end ring needs to be disassembled for maintenance, the end ring and the vertical winding coil can be separated only by disassembling the connecting mechanism, the operation is simple, and the disassembly can be realized without damage.

It should be understood that what is described in this summary section is not intended to limit key or critical features of the embodiments of the application, nor is it intended to limit the scope of the application. Other features of the present application will become apparent from the following description.

Drawings

Other features, objects and advantages of the present application will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, made with reference to the accompanying drawings in which:

fig. 1 is a schematic structural diagram of a flat wire stator structure according to an embodiment of the present disclosure;

FIG. 2 is a schematic structural view of section A-A in FIG. 1;

fig. 3 is a schematic structural view of the connection mechanism in fig. 1.

Reference numbers in the figures: 1, a stator core, 2 vertically wound coils, 3 end rings, 4 connecting mechanisms, 5 insulating bases and 6 communicating circuits;

11 positioning grooves;

41 connecting rod, 42 fixing groove, 43 screw hole, 44 fastening bolt and 45 fixing plate;

51 locate the card.

Detailed Description

The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant application and are not limiting of the application. It should be noted that, for the convenience of description, only the portions relevant to the application are shown in the drawings.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

Referring to fig. 1 to 3, an embodiment of the present application provides a flat wire stator structure, including a stator core 1, a vertically wound coil 2, an end ring 3, and a connecting mechanism 4; the vertical winding coil 2 is wound by a flat copper wire; the vertical winding coil 2 is sleeved with the stator core 1;

the end ring 3 comprises an insulating base 5; the bottom end of the insulating base 5 is abutted against the stator core 1; a plurality of communication lines 6 are nested at the top end of the insulating base 5; both ends of the communication line 6 are connected with the vertically wound coil 2 through the connection mechanism 4 to form a line group. In the embodiment, the flat wire coil 2 is connected into a wire group by arranging the end ring 3 and the connecting mechanism 4, welding is not needed, the assembly is simple, and the quality detection is intuitive; the communication line 6 is nested at the top end of the insulating base 5, so that the heat dissipation effect is improved, and the service life of the motor is prolonged.

In a preferred embodiment, the connection structure 4 comprises a connection rod 41; fixing grooves 42 are fixedly arranged at both ends of the connecting rod 41; the connecting rod 41 extends into the fixing groove 42; the side vertical surface of the fixing groove 42 far away from the connecting rod 41 is provided with a threaded hole 43; a fastening bolt 44 is sleeved in the threaded hole 43; the threaded end of the fastening bolt 44 extends into the fixing groove 42 and is rotatably connected with a fixing plate 45; the top end and the bottom end of the connecting groove 42 are both open; the connecting bar 41 is made of a conductive material. Referring to fig. 1, in this embodiment, the outlet ends of the communication line 6 and the vertically wound coil 2 extend into the fixing groove 42 from the bottom end of the fixing groove 42, the top end of the fixing groove 42 is open, so that the excess part of the outlet end of the communication line 6 or the vertically wound coil 2 can extend out of the fixing groove 42, the flat wire does not need to be cut, the operation steps are reduced, and then the fastening bolt 44 is screwed to drive the fixing plate 45 to be close to the connecting rod 41, so that the outlet ends of the communication line 6 and the vertically wound coil 2 are respectively fixed at two ends of the connecting rod 41, which is convenient to operate and firm in fixation; meanwhile, the connecting rod 41 is made of a conductive material, so that the communication effect is ensured; the fixing grooves 42, the fixing plate 45, and the fastening bolts 44 may be made of a conductive material or an insulating material.

In a preferred embodiment, a plurality of positioning clips 51 are fixedly arranged at the bottom end of the insulating base 5; one end of the stator core 1 contacting the insulating base 5 is provided with a positioning groove 11 corresponding to the positioning card 51. Referring to fig. 1 to 3, in this embodiment, a plurality of positioning clips 51 are fixedly disposed at the bottom end of the insulating base 5, and a positioning groove 11 corresponding to the positioning clips 51 is disposed at one end of the stator core 1 contacting the insulating base 5, so that when assembling, the positioning clips 51 extend into the positioning groove 11 to temporarily position and fix the end ring 3 and the stator core 1, which is convenient for assembling.

As for the above-mentioned aspects and any possible implementation manners, there is further provided an implementation manner in which at least three positioning clips 51 are provided, and are uniformly arranged along the inner annular surface of the insulating base 5. Referring to fig. 1 to 3, in this embodiment, four sets of vertically wound coils 2 are connected by an end ring 3 to form a wire set, the vertically wound coils 2 are uniformly arranged along the circumferential direction of the stator core 1, the included angle between the vertically wound coils 2 of adjacent wire sets is 30 °, at least three positioning clips 51 are arranged, the positioning clips 51 are uniformly arranged along the inner annular surface of the insulating base 5, the included angle between the positioning clips 51 is 120 °, and the connecting line 6 can be corresponding to the wire outlet end of the vertically wound coils 2 by inserting the positioning clips 51 into the positioning slots 11, which is convenient for assembly.

In other embodiments, an annular positioning clip 51 may be further provided, and the stator core 11 is provided with an annular positioning groove 11, so that during assembly, the end ring 3 may be rotated, the position of the communication line 6 is adjusted to correspond to the outlet end of the vertically wound coil 2, and then the assembly is performed, which is suitable for flat wire stator structures with other moduli.

In the description of the present specification, the terms "connect", "mount", "fix", and the like are to be understood in a broad sense, for example, "connect" may be a fixed connection, a detachable connection, or an integral connection; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In the description of the present application, the description of the terms "one embodiment," "some embodiments," etc. 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 application. In this specification, the schematic representations of the terms used above 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.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A flat wire stator structure is characterized by comprising a stator core, a vertical winding coil, an end ring and a connecting mechanism; the vertical winding coil is wound by a flat copper wire; the vertical winding coil is sleeved with the stator core;

the end ring comprises an insulating base; the bottom end of the insulating base abuts against the stator core; the top end of the insulating base is provided with a plurality of communication lines in a nested manner; and two ends of the communication line are connected with the vertical winding coil through the connecting mechanism to form a line group.

2. The flat wire stator structure of claim 1, wherein the connection structure comprises a connecting rod; fixing grooves are fixedly arranged at both ends of the connecting rod; the connecting rod extends into the fixing groove; the side vertical surface of the fixing groove, which is far away from the connecting rod, is provided with a threaded hole; a fastening bolt is sleeved in the internal thread of the threaded hole; the threaded end of the fastening bolt extends into the fixing groove and is rotatably connected with a fixing plate; the top end and the bottom end of the connecting groove are both provided with openings; the connecting rod is made of a conductive material.

3. The flat wire stator structure of claim 2, wherein a plurality of positioning clips are fixedly arranged at the bottom end of the insulating base; and one end of the stator core, which is contacted with the insulating base, is provided with a positioning groove corresponding to the positioning card.

4. The flat wire stator structure of claim 3, wherein the number of the positioning clips is at least three, and the positioning clips are uniformly arranged along the circumferential direction of the inner ring surface of the insulating base.