CN207052911U

CN207052911U - Connecting line and electric connector terminal

Info

Publication number: CN207052911U
Application number: CN201720584319.2U
Authority: CN
Inventors: 陈霆; 赵欢; 朱健鸿
Original assignee: Guangodng Linyi New Energy Technology Co Ltd
Current assignee: Guangodng Linyi New Energy Technology Co Ltd
Priority date: 2017-05-23
Filing date: 2017-05-23
Publication date: 2018-02-27
Anticipated expiration: 2027-05-23

Abstract

Disclosure connecting line and electric connector terminal.The connecting line includes wire and electric connector terminal, wherein, the electric connector terminal includes the first connector and the second connector, first connector is made up of the first conductive material, second connector includes the wire interconnecting piece made of second conductive material different from first conductive material, described first connector one end has endoporus, and second connector is installed in the endoporus of first connector, and the wire electrically connects with the wire interconnecting piece of second connector.

Description

Connecting wire and electric connector terminal

Technical Field

The present application relates to electrical connector terminals.

Background

The high-current connector is widely applied to the fields of electric automobiles, electric forklifts, UPS, universal power supplies, medical equipment, solar energy, new energy and the like. In the existing large-current connector terminal, a contact terminal is usually made of a copper material, and a connected cable is also a copper wire which has the defects of high cost, heavy weight and the like.

SUMMERY OF THE UTILITY MODEL

The present application is directed to a novel connecting wire, electrical connector terminal and method of manufacture.

The utility model provides a connecting wire, including wire and heavy current connector terminal, wherein, heavy current connector terminal includes first connecting piece and second connecting piece, first connecting piece is made by first conducting material, the second connecting piece include by with the wire connecting portion that the second conducting material that first conducting material is different was made, first connecting piece one end has the hole, the second connecting piece install in the hole of first connecting piece, the wire with the wire connecting portion electricity of second connecting piece is connected, first conducting material is pure copper, the second conducting material with the material of the electric conductor of wire is the aluminum alloy.

Preferably, the second connecting piece is cylindrical and is provided with an outer layer and an inner layer, the outer layer and the inner layer are made of different conductive materials, the outer layer is in contact with the hole wall of the inner hole of the first connecting piece, and the inner layer forms the wire connecting part.

Preferably, the outer layer is made of pure copper.

Preferably, the outer layer and the inner layer form a non-detachable integrated structure.

This application on the other hand provides an electric connector terminal, including electrically conductive connecting piece and electrically conductive switching cover, wherein, electrically conductive connecting piece one end has the hole, electrically conductive switching cover cartridge in the hole of electrically conductive connecting piece, electrically conductive switching cover includes outer and the inlayer of the non-detachable who is made by different conducting material, electrically conductive switching cover the skin with electrically conductive connecting piece is made by pure copper, the inlayer of electrically conductive switching cover is made by the aluminum alloy.

Preferably, the conductive adapter sleeve is formed by bending and jointing a copper-aluminum composite plate.

Preferably, the conductive connecting piece is provided with a groove or a protrusion on the outer surface adjacent to the conductive adapter sleeve.

According to the embodiment of the application, the cable connected with the electric connector terminal can use the aluminum conductor, and the purpose of reducing the cost and the weight of the cable is achieved.

Drawings

The present invention will be further described with reference to the accompanying drawings.

FIG. 1 illustrates a connection line according to an embodiment of the present application;

FIG. 2 shows an electrical connector terminal of the connection line of FIG. 1;

FIG. 3 is an exploded view of the connecting wires of FIG. 1;

FIG. 4 is a cross-sectional view of the connecting wires of FIG. 1;

fig. 5 illustrates a method of forming a conductive patch sleeve for the patch cord of fig. 1.

Wherein,

10. a connecting wire;

12. a wire;

14. an electrical connector terminal;

16. a first connector/conductive connector;

18. a second connector/conductive adapter sleeve;

20. an inner bore;

22. an outer layer;

24. an inner layer;

25. a groove;

26. an electrical conductor;

28. an insulating layer;

30. a conductive composite plate;

32. a first conductive layer;

34. a second conductive layer.

Detailed Description

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. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 to 4, a connecting wire 10 according to an embodiment of the present application includes a conductive wire 12 and an electrical connector terminal 14.

The electrical connector terminal 14 may be, but is not limited to, a high current connection terminal including a first connector 16 and a second connector 18. The first connector 16 is made of a first conductive material and has a first end at which the conductor 12 is disposed and a second end as a mating portion for connecting to an external electrical conductor along the length of the electrical connector terminal 14. The external electrical conductor may be a plug or other type of electrical conductor, and the first connector 16 may be connected to the external electrical conductor by a quick-plug connection or by a screw or other fastener.

In a preferred embodiment, the first end of the first connector 16 has an internal bore 20, the second connector 18 is cylindrical, and the second connector 18 is inserted into the internal bore 20 of the first connector 16. The first connector 16 may also be referred to as a conductive connector and the second connector 18 may also be referred to as a conductive adaptor sleeve. The second connector 18 has an outer layer 22 and an inner layer 24, the outer and inner layers 22 and 24 being formed of different conductive materials, the outer layer 22 contacting the bore wall of the bore 20 of the first connector 16 to form an electrical connection, and the inner layer 24 forming a wire connection to electrically connect with the wire 12. Preferably, the conductive connector 16 is provided with a groove 25 on the outer surface adjacent to the conductive adaptor sleeve 18 to position the electrical connector terminal during riveting and to eliminate deformation of the first connector 18 caused by riveting pressure. It is understood that the recess 25 may be modified to be a protrusion or other structure that achieves a similar function.

The conductor 12 includes an electrical conductor 26 and an insulation layer 28 surrounding the outer periphery of the electrical conductor 26, the end of the conductor 12 connected to the electrical connector terminal 14 has no insulation layer 28, and the electrical conductor 26 is inserted into the second connector 18 and contacts the inner surface of the inner layer 24 of the second connector 18 to form an electrical connection.

Preferably, the first connector 16 is made of pure copper, the electrical conductor of the wire 12 is made of an aluminum alloy, the outer layer 22 of the second connector 18 is made of pure copper, and the inner layer 24 is made of an aluminum alloy. Further, the electrical conductor of the wire 12 and the second connecting member 18 are made of an aluminum alloy having the same composition to prevent creep when they are connected, thereby ensuring that they are electrically connected reliably. Preferably, the conductive adapter sleeve 18 is formed by bending and jointing a copper-aluminum composite plate. The copper-aluminum composite plate can be formed by welding a pure copper plate and an aluminum alloy plate together in a cold rolling, hot rolling, explosive cladding, explosive rolling and other modes and cannot be separated. After the conductive adaptor sleeve 18 is formed, the outer layer 22 and the inner layer 24 of the conductive adaptor sleeve 18 are of a non-detachable construction.

In this application, for reducing cable cost and weight, adopt the aluminium wire to replace traditional copper conductor. However, since the copper wire and the aluminum wire are different in material and characteristics, the aluminum wire cannot be directly connected to the copper material in large current transmission. In the present application, a novel electrical connector terminal is provided, wherein a portion of the terminal, which is butted with the external electrical conductor such as a plug, may still be made of copper (preferably, pure copper), and a wire connecting portion electrically connected with an aluminum wire may be made of an aluminum alloy material, and may be directly electrically connected with the aluminum wire by, for example, pressing or the like. Compared with the traditional copper wire, the copper-aluminum connector terminal provided by the application is used for connecting the aluminum wire, the cost of the cable can be reduced to about one half of the original cost, and the weight of the cable is reduced to about one third of the original weight.

Another embodiment of the present application provides a method of manufacturing an electrical connector terminal 14, comprising:

providing a conductive connector 16 having an inner bore 20 at one end; the other end of the conductive connector 16 may be configured as desired for the external electrical conductor to be connected. Preferably, the conductive connection 16 is made of pure copper.

An electrically conductive composite plate 30 is crimped to form the conductive adaptor sleeve 18 (shown in fig. 5), the electrically conductive composite plate 30 including a first electrically conductive layer 32 and a second electrically conductive layer 34 made of different electrically conductive materials. Preferably, the conductive composite board 30 may be a copper-aluminum composite board, in which the first conductive layer 34 is a pure copper board layer, and the second conductive layer 36 is an aluminum alloy board layer.

The conductive adaptor sleeve 18 is inserted into the bore 20 of the conductive connector 16.

Another embodiment of the present application provides a method of manufacturing a connection wire 10, including:

providing a conductive connector 16, wherein one end of the conductive connector is a wiring region, and the conductive connector 16 is provided with an inner hole 20 in the wiring region;

inserting a conductive adapter sleeve 18 into an inner hole 20 of the connecting piece 16, wherein the conductive adapter sleeve 18 comprises an outer layer 22 and an inner layer 24 which are made of different conductive materials, and the outer layer 22 of the conductive adapter sleeve 18 is in contact with the hole wall of the inner hole 20 of the conductive connecting piece 16;

inserting the aluminum conductor 26 of the aluminum wire 12 into the conductive adaptor sleeve 18; and

pressure is applied to the termination area of the conductive connector 16 to bring the aluminum conductor 26 into secure contact with the inner layer 24 of the conductive patch sleeve 18. Preferably, pressure may be applied to the termination area by staking the termination area of the conductive connector 16.

In the description herein, references to the description of the terms "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" or the like mean 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. 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 foregoing is a more detailed description of the present invention that is presented in conjunction with specific embodiments, and it is not to be understood that the specific embodiments of the present invention are limited to these descriptions. To the utility model belongs to the technical field of ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of design, can also make a plurality of simple deductions or replacement.

Claims

1. The utility model provides a connecting wire, includes wire and heavy current connector terminal, wherein, heavy current connector terminal includes first connecting piece and second connecting piece, first connecting piece is made by first conducting material, the second connecting piece include by with the wire connecting portion that the second conducting material that first conducting material is different was made, first connecting piece one end has the hole, the second connecting piece install in the hole of first connecting piece, the wire with the wire connecting portion electricity of second connecting piece is connected, wherein, first conducting material is pure copper, the second conducting material with the material of the electric conductor of wire is the aluminum alloy.

2. The connecting wire of claim 1, wherein the second connector is cylindrical having an outer layer and an inner layer, the outer and inner layers being made of different conductive materials, the outer layer contacting the bore wall of the inner bore of the first connector, the inner layer forming the wire connecting portion.

3. The connecting wire of claim 2 wherein the outer layer is made of pure copper.

4. The patch cord of claim 2, wherein the outer layer and the inner layer form a non-removable unitary structure.

5. The utility model provides an electric connector terminal, includes electrically conductive connecting piece and electrically conductive switching cover, wherein, electrically conductive connecting piece one end has the hole, electrically conductive switching cover cartridge in electrically conductive connecting piece's hole, electrically conductive switching cover includes outer and the inlayer of the non-detachable who is made by different conducting material, wherein, electrically conductive switching cover the skin with electrically conductive connecting piece is made by pure copper, electrically conductive switching cover's inlayer is made by the aluminum alloy.

6. The electrical connector terminal of claim 5 wherein said conductive adaptor sleeve is formed from a copper aluminum composite plate crimp joint.

7. The electrical connector terminal as claimed in claims 5-6, wherein the conductive connector member is provided with a groove or protrusion on an outer surface adjacent to the conductive adaptor sleeve.