CN213279315U

CN213279315U - Electric connection structure, stator coil and synchronous generator

Info

Publication number: CN213279315U
Application number: CN202021178929.0U
Authority: CN
Inventors: 刘湘虎; 林大伟
Original assignee: XIANGTAN LIYUAN ELECTRIC TOOLING CO Ltd
Current assignee: XIANGTAN LIYUAN ELECTRIC TOOLING CO Ltd; Xiangtan Electric Manufacturing Co Ltd
Priority date: 2020-06-23
Filing date: 2020-06-23
Publication date: 2021-05-25
Anticipated expiration: 2030-06-23

Abstract

The utility model provides an electric connection structure, stator coil and synchronous generator, including connecting piece, first conductive piece and second conductive piece, the connecting piece includes first connecting portion and by the formation second connecting portion of first connecting portion downward bending, the free end of first connecting portion forms the first socket that the opening extends towards first connecting portion width direction, the bottom of second connecting portion free end forms the second socket that the opening extends towards second connecting portion length direction; the leading-out end of the first conductive piece is fixedly arranged in the second socket, and the leading-out end of the second conductive piece is fixedly arranged in the first socket. The whole vertical direction of first electrically conductive piece and the whole vertical direction of being of second electrically conductive connection formula of realization arranges, and reducible horizontal space occupy, solved synchronous generator horizontal space and occupy when great, the wiring end of wire easily is close to with the frame space, leads to producing the problem of discharge phenomenon.

Description

Electric connection structure, stator coil and synchronous generator

Technical Field

The utility model relates to a connect technical field, especially relate to an electric connection structure, stator coil and synchronous generator.

Background

A synchronous generator refers to an alternator having a rotor rotating at the same speed as the rotating magnetic field of the stator.

In the prior art, a lead-out wire of a stator coil of a synchronous generator adopts a wiring mode of connecting by a joint sleeve.

However, the wiring manner in the prior art occupies more transverse space of the generator, and the interval between the end part after wiring and the base is smaller, so that the discharge phenomenon is easy to occur.

Disclosure of Invention

The utility model provides an electric connection structure, stator coil and synchronous generator to overcome stator coil and end connection line and adopt and the headgear is connected and is leaded to occupation space many, the technical problem that wiring end and frame space are not enough.

The present invention provides an electrical connection structure according to the above technical problem, including a connection member, a first conductive member and a second conductive member, wherein the connection member includes a first connection portion and a second connection portion formed by bending the first connection portion downward, a free end of the first connection portion forms a first socket having an opening extending in a width direction of the first connection portion, and a free end of the second connection portion forms a second socket having an opening extending in a length direction of the second connection portion; the end part of the first conductive piece is fixedly arranged in the second socket, and the end of the second conductive piece is fixedly arranged in the first socket.

In an alternative embodiment, the first and second sockets mate with ends of a second conductive member and an end of a first conductive member.

In an alternative embodiment, an insulating sleeve is provided on the first connection between the first and second sockets.

In an alternative embodiment, the material of the first conductive piece and the second conductive piece is copper bars.

A stator coil, the leading-out wire of the stator coil is connected through the above-mentioned electric connection structure.

A synchronous generator comprises a stator, wherein the stator coil is arranged in the stator.

The utility model provides a pair of electric connection structure, through in the second socket that sets up on the connecting piece from vertical direction setting first electrically conductive piece, make the access department of first electrically conductive piece keep vertical state, insert in the second socket of connecting piece and the second electrically conductive piece also can arrange to be vertical simultaneously with the second electrically conductive piece, thereby realize that first electrically conductive piece and second electrically conductive piece connected mode wholly are vertical direction and arrange, and occupation of reducible transverse space, solved synchronous generator transverse space and taken when more, the wiring end of wire is easily close to with the frame space, lead to producing the problem of phenomenons of discharging.

The utility model provides a pair of stator coil connects through connection structure at stator coil's lead-out wire tip, can avoid stator coil department to appear discharge phenomenon, causes coil internal fault.

The utility model provides a pair of synchronous generator, its stator coil advances stator coil's lead-out wire through adopting connection structure to connect, can avoid the inside phenomenon of discharging that appears of generator, causes functional failure's problem then.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a perspective view of an electrical connection structure provided by the present invention;

fig. 2 is a connecting member structure diagram in an electrical connection structure provided by the present invention.

In the drawings, the reference numbers:

a first conductive member-1; a connecting piece-2; a first rivet-3; a second electrically conductive member-4; a first socket-5; a second rivet-6; an insulating sleeve-7; a second socket-8; a through hole-9.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The first embodiment is as follows:

fig. 1 is a perspective view of an electrical connection structure provided in this embodiment; fig. 2 is a structural diagram of a connecting member in an electrical connection structure provided in this embodiment. Referring to fig. 1 and 2, the present embodiment provides an electrical connection structure, which may be applied to connection of stator coil lead-out wires of a synchronous generator, for example, and includes a connection member 2, a first conductive member 1 and a second conductive member 4, wherein the first conductive member 1 and the second conductive member 2 may be a stator coil lead-out wire of a synchronous generator stator coil and an end connection wire connected to the lead-out wire in the present embodiment, and the first conductive member 1 and the second conductive member 4 are connected by the connection member 2.

The connecting piece 2 comprises a first connecting part and a second connecting part formed by bending the first connecting part downwards, the connecting piece 2 is provided with the first connecting part and the second connecting part which form a structure plate-shaped structure similar to an L shape, a plate material of the connecting piece 2 has certain width and thickness, a first socket 8 with an opening extending towards the width direction (X direction in figure 1) of the first connecting part is formed at one end of the first connecting part which is not connected with the second connecting part, and a second socket 5 with an opening extending towards the length direction (Y direction in figure 1) of the second connecting part is formed at the bottom of the second connecting part, namely the bending part; the leading end of the first conductive member 1 is inserted into the second insertion port 8 and fixed, and the leading end of the second conductive member 4 is inserted into the first insertion port 5 and fixed.

The end part of the first conductive piece 1 is approximately vertically arranged by inserting and fixing the first conductive piece 1 into the second socket 5 of the connecting piece 2 from the bottom, then the second conductive piece 4 is inserted and fixed into the first socket 8 of the connecting piece 2, and the bending degree of the connecting positions of the first conductive piece 1 and the second conductive piece 4 and the connecting piece 8 is adjusted, so that the reserved part of the outside is bent towards the vertical direction after the second conductive piece 4 is inserted into the first socket 8, and the smaller space in a vertical space defined by the end parts after the first conductive piece 1 and the second conductive piece 4 are connected can be formed, in other words, the end parts of the first conductive piece 1 and the second conductive piece 4 are connected and then close to the electronic coil side of the synchronous generator, and the first conductive piece 1 and the second conductive piece 4 are arranged along the vertical space, so that the space is reduced; the traditional mode of combining and sleeving the wiring is adopted, namely, the end parts of the two conductive parts 1 are connected in the combining sleeve towards one direction to form a mode similar to a herringbone arrangement towards a transverse space, so that the occupied space is large, and the wiring end parts are close to a generator base, so that the discharge phenomenon is easy to occur.

In a possible implementation, copper bar or other conductive metal structures are also chooseed for use to connecting piece 2 material, the copper bar is used as the example to this embodiment, connecting piece 2 is through with the copper bar fifty percent discount and the bending shaping, and fill up at the department of bending of the fashioned structure of bending and establish square piece or adopt other forms in order to form first socket 8, leave the gap of certain width as second socket 5 in the opening tip department of the fashioned structure of bending, suppress at the mid portion of the shaping structure of bending and paste tight processing. The existing copper bar is formed by bending, and the copper bar is easy to obtain materials, low in cost and simple to manufacture.

Of course, the connecting member 2 may also be formed by other methods, such as casting, integral machining or other forming methods, and the description of the embodiment is omitted.

Optionally, an insulating sleeve 7 is disposed in the middle of the connecting member 2 for insulating the connecting member 2, so as to facilitate grasping. Wherein, the insulating sleeve 7 can be an insulating tape wound in the middle of the connecting piece 2 or provided with other insulating layers thereon. The insulating sheath 7 can be fastened to the connecting piece 2 by means of a fastener, such as the first rivet 3.

In an alternative embodiment, a plurality of through holes 9 are provided in the first socket 8 through which one end of the connecting member 2 extends, and when the second conductive member 4 is disposed in the first socket 8, the second conductive member 4 can be fastened by inserting a fastening member such as the second rivet 6 into the through holes 9.

In one embodiment, the first conductor 1 is soldered in the second socket 5, and a position is defined by fastening the first conductor 1 to the connecting member 2, and the second conductor 4 is connected based on the position, so that the connection is facilitated and the space arrangement is facilitated. Of course, the fixing manner of the first conductive member 4 in the second socket 5 is not limited to welding, and other detachable fastening manners are also possible.

Illustratively, when connecting, the leading end of the first conductive member 1 can be firstly placed in the second socket 5 on the connecting member 2 and welded firmly, and the end of the second conductive member 4 is inserted into the first socket 8 and riveted firmly by the rivet 3. And finally, wrapping the surface of the whole connecting structure with an insulating material for insulating treatment. The specification of the insulating material and the number of binding layers are specified according to corresponding voltage grades.

Example two:

the present embodiment provides a stator coil, and the leading-out wires of the stator coil are connected by the connection structure in the first embodiment, and the structure and function of the connection structure are the same as those in the first embodiment, and are not described in detail in this embodiment.

Example three:

the present embodiment provides a synchronous generator, which comprises a stator, wherein the stator coil of the second embodiment is arranged in the stator structure. The structure and function of the stator coil are the same as those of the embodiment, and the description of the embodiment is omitted.

Claims

1. An electric connection structure is characterized by comprising a connecting piece, a first conductive piece and a second conductive piece, wherein the connecting piece comprises a first connecting part and a second connecting part formed by bending the first connecting part downwards; the end part of the first conductive piece is fixedly arranged in the second socket, and the end part of the second conductive piece is fixedly arranged in the first socket.

2. The electrical connection structure as claimed in claim 1, wherein the first and second sockets are mated with an end portion of a second conductive member and an end portion of a first conductive member, respectively.

3. The electrical connection structure as claimed in claim 2, wherein an insulating sleeve is provided on the first connection portion between the first socket and the second socket.

4. The electrical connection structure of claim 1, wherein the first and second conductive members are made of copper bars.

5. A stator coil characterized in that lead-out wires of the stator coil are connected by the electrical connection structure according to any one of claims 1 to 4.

6. A synchronous generator comprising a stator having the stator coil of claim 5 disposed therein.