CN213093401U

CN213093401U - Composite row

Info

Publication number: CN213093401U
Application number: CN202022448167.8U
Authority: CN
Inventors: 蒋露; 韩洪兵; 阳德龙; 贺全忠; 景致钧; 邵博
Original assignee: Hunan Medex Electric Co Ltd; Hunan Lince Rolling Stock Equipment Co Ltd
Current assignee: Hunan Medex Electric Co Ltd; Hunan Lince Rolling Stock Equipment Co Ltd
Priority date: 2020-10-29
Filing date: 2020-10-29
Publication date: 2021-04-30
Anticipated expiration: 2030-10-29

Abstract

The utility model provides a composite row, which comprises a first body and a second body, wherein the first body and the second body are made of different materials and are connected by adopting an explosive welding mode; the first body is provided with a through hole connected with an external terminal, and one end of the second body, which is far away from the first body, is provided with a groove used for being welded with an external part. The first body is made of copper, and the second body is made of aluminum. The composite bar of the utility model has the advantages that the first body of the copper material is connected with the second body of the aluminum material in an explosive welding mode, the connection quality is stable and reliable, and the composite bar of copper and aluminum meets the connection requirement between the prior devices; the first body made of copper is connected with the external terminal through the bolt, and the connection between copper is easier to realize and convenient to maintain and disassemble; the second body and the outer part made of aluminum are connected through TIG welding, the connection between the aluminum and the aluminum is firmer and more stable, and the contact resistance is smaller.

Description

Composite row

Technical Field

The utility model relates to an electromagnetic wire connects technical field, concretely relates to compound row.

Background

The existing transformer, reactor and filter use aluminum electromagnetic wire as winding, and when connecting with the matching system, the connection with copper terminal is often needed. At the moment, if the aluminum electromagnetic wire is directly connected with the copper wiring terminal, electric corrosion can be generated, so that a series of problems of overlarge contact resistance, overheating connection and the like are caused, and the normal service life of equipment is further influenced; there is therefore a need for a composite strip as a power transmission connection that solves the problem of connection between aluminum magnet wires and copper wire terminals.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a compound row aims at solving the connection problem between current aluminium solenoid and the copper binding post, and concrete technical scheme is as follows:

a composite row comprises a first body and a second body, wherein the first body and the second body are made of different materials and are connected in an explosive welding mode; the first body is provided with a through hole connected with an external terminal, and one end of the second body, which is far away from the first body, is provided with a groove used for being welded with an external part.

Preferably, in the above technical solution, the first body is made of copper, and the second body is made of aluminum.

Preferably in the above technical solution, the first body is made of a T2 copper material, and the second body is made of 1060 aluminum material.

Preferably, in the above technical solution, the through hole is a circular hole or a kidney-shaped hole.

In the above technical solution, preferably, the number of the through holes is at least one.

Preferably, in the above technical solution, the first body and the external terminal are connected by a bolt.

Preferably, in the above technical solution, the cross section of the groove is one of a single-sided V-shape, a J-shape and a U-shape.

In the above aspect, the second body and the outer member are preferably connected by TIG welding.

Use the technical scheme of the utility model, following beneficial effect has:

the composite bar of the utility model has the advantages that the first body of the copper material is connected with the second body of the aluminum material in an explosive welding mode, the connection quality is stable and reliable, and the composite bar of copper and aluminum meets the connection requirement between the prior devices; the first body made of copper is connected with an external terminal (namely a copper wiring terminal) through a bolt, and the connection between copper and copper is easier to realize and convenient to maintain and disassemble; the second body made of aluminum and the outer part (namely the aluminum joint) are connected by TIG welding, so that the connection between the aluminum and the aluminum is firmer and more stable, and the contact resistance is smaller.

In addition to the above-described objects, features and advantages, the present invention has other objects, features and advantages. The present invention will be described in further detail with reference to the drawings.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification. In the drawings:

fig. 1 is a schematic view of the overall structure of the composite row of the present invention;

the welding device comprises a first body 1, a first body 2, a second body 3, an explosive welding position 4, a through hole 5 and a groove.

Detailed Description

The embodiments of the invention will be described in detail hereinafter with reference to the accompanying drawings, but the invention can be implemented in many different ways, which are defined and covered by the claims.

Example (b):

referring to fig. 1, a composite row comprises a first body 1 and a second body 2, wherein the first body 1 and the second body 2 are made of different materials and are connected in an explosive welding manner, and referring to fig. 1, the connecting position of the first body 1 and the second body 2 is an explosive welding position 3; the first body 1 is provided with a through hole 4 connected with an external terminal, and one end of the second body 2, which is far away from the first body 1, is provided with a groove 5 used for welding with an external part.

Preferably, the first body 1 is made of copper, and the second body 2 is made of aluminum. Multiple physical tests verify that the first body made of the copper material is connected with the second body made of the aluminum material in an explosive welding mode, so that the connection quality is stable and reliable; the explosion welded composite row is water cut to obtain the shape shown in figure 1.

More preferably, the first body 1 is made of a T2 copper material, and the second body 2 is made of 1060 aluminum material.

Preferably, the through hole 4 is a round hole or a kidney-shaped hole.

Further preferably, the number of the through holes 4 is at least one.

First body 1 adopts bolted connection with the external terminal, the external terminal is copper binding post, and copper between be connected, realize more easily, and convenient maintenance dismantlement.

Preferably, the section of the groove 5 is one of a single-side V-shape, a J-shape or a U-shape.

Further preferably, the second body 2 and an outer member are connected by TIG welding, the outer member is an aluminum joint, the connection between aluminum and aluminum is more stable, and the contact resistance is smaller.

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

Claims

1. The composite row is characterized by comprising a first body (1) and a second body (2), wherein the first body (1) and the second body (2) are made of different materials and are connected in an explosive welding manner; the first body (1) is provided with a through hole (4) connected with an external terminal, and one end, far away from the first body (1), of the second body (2) is provided with a groove (5) used for being welded with an external part.

2. A composite row according to claim 1, wherein the first body (1) is of copper and the second body (2) is of aluminium.

3. A composite row according to claim 2, wherein the first body (1) is made of T2 copper and the second body (2) is made of 1060 aluminum.

4. A composite row according to claim 2, wherein the through holes (4) are round or kidney shaped holes.

5. A composite row according to claim 4, wherein the number of through holes (4) is at least one.

6. The composite row of claim 5, wherein the first body (1) is bolted to an external terminal.

7. A row according to claim 2, characterised in that the groove (5) has a cross-section in one of a single V, J or U shape.

8. A composite row according to claim 7, characterised in that the connection between the second body (2) and the outer member is performed by TIG welding.