CN216085394U - Copper-aluminum terminal - Google Patents
Copper-aluminum terminal Download PDFInfo
- Publication number
- CN216085394U CN216085394U CN202121537743.4U CN202121537743U CN216085394U CN 216085394 U CN216085394 U CN 216085394U CN 202121537743 U CN202121537743 U CN 202121537743U CN 216085394 U CN216085394 U CN 216085394U
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- China
- Prior art keywords
- copper
- aluminum
- conductor
- aluminum terminal
- open ring
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- JRBRVDCKNXZZGH-UHFFFAOYSA-N alumane;copper Chemical compound [AlH3].[Cu] JRBRVDCKNXZZGH-UHFFFAOYSA-N 0.000 title claims abstract description 38
- 239000004020 conductor Substances 0.000 claims abstract description 46
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 30
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 30
- 229910052802 copper Inorganic materials 0.000 claims abstract description 28
- 239000010949 copper Substances 0.000 claims abstract description 28
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 27
- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 239000000463 material Substances 0.000 claims description 5
- 238000000034 method Methods 0.000 description 5
- 238000002788 crimping Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
Images
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- Connections Effected By Soldering, Adhesion, Or Permanent Deformation (AREA)
Abstract
The utility model discloses a copper-aluminum terminal, which comprises an aluminum conductor and a copper conductor, wherein the aluminum conductor comprises a first part and a second part, and the first part is in a hollow cylindrical shape and is used for installing a lead; the second part comprises an opening ring part, a first connecting part and a second connecting part, an opening penetrating through the opening ring part is formed on the opening ring part along the axis of the opening ring part, and the first connecting part and the second connecting part are respectively fixed on two sides of the opening; the first part is fixed on the opening ring part, and the axis of the first part is vertical to the axis of the opening ring part; a layer of copper conductor is arranged on the inner wall of the opening ring part. The copper aluminum terminal aims to solve the problem that the traditional copper aluminum terminal cannot be suitable for short-distance automobile battery connection due to overlarge size.
Description
Technical Field
The utility model belongs to the technical field of copper-aluminum terminals, and particularly relates to a copper-aluminum terminal.
Background
With the development of aluminum wire technology, the advantages of aluminum wire in weight reduction and cost reduction are increasingly prominent, and the replacement of copper wires for automobiles by aluminum wires is a trend. At present, a large-current power line is mature and applied to domestic and foreign passenger cars, and meanwhile, copper-aluminum terminals manufactured by adopting a special process are increasingly applied. Because the oxidation resistance, ductility, creep resistance and mechanical strength of the aluminum conductor are poor, the copper terminal and the aluminum conductor are directly used for crimping, alumina is formed in a crimping area, the alumina is not easy to weld and has poor conductivity, a large voltage drop is formed at the crimping position of the terminal, the starting of the whole automobile is influenced, and the development of the copper-aluminum terminal is used for solving the defects.
The existing copper-aluminum terminal is connected with a copper terminal and an aluminum wire through a transition end, but the structure of the copper conductor is complex and large in size, and the occupied installation space is large, so that the light requirements of the new energy automobile field on spare parts can not be met.
In view of the above, it is desirable to provide a copper-aluminum terminal for solving the above problems.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The utility model aims to solve the technical problem that the traditional copper-aluminum terminal cannot be suitable for the wiring of a short-distance automobile storage battery due to overlarge size.
(II) technical scheme
The utility model provides a copper-aluminum terminal, which comprises an aluminum conductor and a copper conductor, wherein the aluminum conductor comprises a first part and a second part, and the first part is in a hollow cylindrical shape and is used for installing a lead;
the second part comprises an opening ring part, a first connecting part and a second connecting part, an opening penetrating through the opening ring part is formed in the opening ring part along the axis of the opening ring part, and the first connecting part and the second connecting part are respectively fixed on two sides of the opening;
the first part is fixed on the opening ring part, and the axis of the first part is vertical to the axis of the opening ring part;
and a layer of copper conductor is arranged on the inner wall of the opening ring part.
Further, the second portion still includes the portion of taking a charge, it is fixed in on the outer wall of opening ring portion to take a charge.
Further, the weight ratio of the copper conductor is 2-5%.
Further, the copper conductor is welded to an inner wall of the open ring portion.
Further, the inner wall of the first portion is provided with sawtooth protrusions along the circumferential direction of the inner wall.
Further, the serration may extend from one end to the other end thereof in the axial direction of the first portion.
Furthermore, a circle of sequentially connected sawtooth protrusions are arranged on the inner wall of the first portion along the circumferential direction of the first portion.
Further, the opening ring part, the first connecting part and the second connecting part are of an integrally formed structure.
Further, the material of the aluminum conductor 1 is 8030 or 1070 aluminum.
(III) advantageous effects
Compared with the traditional copper-aluminum terminal, the copper-aluminum terminal has the advantages that the proportion of the copper conductor part in the whole copper-aluminum terminal is small, only one layer is laid on the inner wall of the opening ring part, and the rest parts of the copper-aluminum terminal are all aluminum conductors.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments of the present invention will be briefly described below, and it is obvious that the drawings described below are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is an elevation view of a copper-aluminum terminal according to an embodiment of the present invention;
fig. 2 is a top half sectional view of a copper-aluminum terminal according to an embodiment of the present invention;
figure 3 is a top half cross-sectional view of another copper aluminum terminal provided by an embodiment of the present invention;
fig. 4 is a top half sectional view of yet another copper aluminum terminal provided by an embodiment of the present invention.
In the figure:
1-an aluminum conductor; 101-a first portion; 1011-sawtooth projection; 102-a second portion; 1021-an open ring portion; 1022-a power take-off part; 1023-a first connection; 1024 — a second connecting portion; 2-copper conductor.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the utility model but are not intended to limit the scope of the utility model.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
According to an embodiment of the present invention, there is provided a copper-aluminum terminal, as shown in fig. 1 to 4, including an aluminum conductor 1 and a copper conductor 2, where the aluminum conductor 1 includes a first portion 101 and a second portion 102, the first portion 101 is in a hollow cylindrical shape and is used for installing a wire; the second portion 102 includes an open ring portion 1021, a first connecting portion 1023, and a second connecting portion 1024, an opening penetrating through the open ring portion 1021 is formed on the open ring portion 1021 along an axis of the open ring portion 1021, and the first connecting portion 1023 and the second connecting portion 1024 are respectively fixed on both sides of the opening; the first part 101 is fixed on the open ring part 1021, and the axis of the first part 101 is vertical to the axis of the open ring part 1021; a layer of copper conductor 2 is arranged on the inner wall of the open ring part (1021).
In the above embodiment, the copper-aluminum terminal has advantages when the automobile storage battery wiring device with short distance is used, the welding between copper-aluminum tubes is cancelled, the problems of welding fracture, welding surface fracture caused by bending in use and the like are avoided, the length of a copper end is also cancelled, the whole length is shortened, and the automobile storage battery wiring device with short distance is easy to use. Meanwhile, compared with the traditional copper-aluminum terminal, the proportion of the copper conductor 2 in the whole copper-aluminum terminal is very small, only one layer is laid on the inner wall of the opening ring part 2021, the rest parts of the copper-aluminum terminal are all the aluminum conductors 1, the content of the copper conductor 1 is far lower than that of the aluminum conductor 2, and the weight of the whole terminal is reduced.
Specifically, the number of the current-taking portions 1022 is not specifically limited, and may be 1 or more, and when 2 are provided, the current-taking portions are symmetrically disposed on both sides of the open ring portion 1021.
The axial height of the open ring 1021 is not limited, but generally is adapted to the diameter of the first hollow cylindrical portion 101, and may be slightly larger or smaller than the diameter of the first portion 101.
In order to achieve a better conductive effect, the copper conductor 2 completely covers the inner wall of the open ring portion 1021 in a layered structure, and the specific thickness of the copper conductor 1 is not limited and can be selected according to actual conditions. Wherein the shape of the copper conductor 2 is adapted to the inner wall of the open loop 1021.
In some alternative embodiments, as shown in fig. 3 to 4, the second portion 102 further includes a power-taking portion 1022, and the power-taking portion 1022 is fixed on an outer wall of the open ring portion 1021. The power taking part 1022 is used for providing a normal power taking position for electric appliances of the whole vehicle, and the number of the power taking parts is not specifically limited and can be one or more.
In some optional embodiments, the copper conductor 2 is 2-5% by weight. Wherein, the weight ratio of the copper conductor 2 can be set to be 2 percent, so that the weight of the whole copper-aluminum terminal can be well reduced, and the weight ratio of the aluminum conductor 1 reaches 98 percent.
In some alternative embodiments, the copper conductor 2 is welded to the inner wall of the open loop portion 1021. Specifically, the copper conductor 2 is welded to the inner wall of the open ring portion 1021 to ensure the connection, but other connection methods such as screwing or integral casting are not excluded.
In some alternative embodiments, as shown in fig. 1, the inner wall of the first portion 101 is provided with a serration 1011 along its circumference. The saw-tooth protrusion 1011 is arranged to increase the contact area between the aluminum conductor and the first portion 101 when the aluminum conductor is mounted on the first portion 101 of the aluminum conductor 1, so as to reduce the resistance value and the voltage drop value of the electrical performance.
In some alternative embodiments, the serration 1011 extends from one end to the other end thereof in the axial direction of the first portion 101. The longer the length of the sawtooth protrusion 1011 is, the larger the contact area between the first portion 101 and the conductive wire is, and the resistance value and the voltage drop value of the electrical performance can be reduced better.
In some alternative embodiments, as shown in fig. 1, the inner wall of the first portion 101 is provided with a circle of saw-tooth protrusions 1011 connected in sequence along the circumference thereof. In addition, the larger the number of the saw-tooth protrusions 1011 is, the larger the contact area between the first portion 101 and the conductive wire is, and the resistance value and the voltage drop value of the electrical performance can be further reduced.
When the length and the number of the saw-tooth protrusions 1011 simultaneously satisfy the above conditions, the contact area between the first portion 101 and the conductive wire can be ensured to be maximized, and the resistance value and the voltage drop value of the electrical performance can be further minimized.
In some alternative embodiments, the open ring portion 1021 is integrally formed with the first connecting portion 1023 and the second connecting portion 1024. Particularly, the integrally formed structure can enable the process of mounting and dismounting the copper-aluminum terminal to be more convenient.
In some alternative embodiments, the material of the aluminum conductor 1 is 8030 or 1070 aluminum. The specific material of the aluminum conductor 1 is not limited, and in this embodiment, an 8030 or 1070 type aluminum material is selected.
It should be clear that the embodiments in this specification are described in a progressive manner, and the same or similar parts in the embodiments are referred to each other, and each embodiment focuses on the differences from the other embodiments. The present invention is not limited to the specific steps and structures described above and shown in the drawings. Also, a detailed description of known process techniques is omitted herein for the sake of brevity.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (9)
1. The copper-aluminum terminal is characterized by comprising an aluminum conductor (1) and a copper conductor (2), wherein the aluminum conductor (1) comprises a first part (101) and a second part (102), and the first part (101) is in a hollow cylindrical shape and is used for installing a wire;
the second part (102) comprises an open ring part (1021), a first connecting part (1023) and a second connecting part (1024), wherein an opening penetrating through the open ring part (1021) is formed on the open ring part (1021) along the axis of the open ring part (1021), and the first connecting part (1023) and the second connecting part (1024) are respectively fixed on two sides of the opening;
the first part (101) is fixed on the open ring part (1021), and the axis of the first part (101) is vertical to the axis of the open ring part (1021);
the inner wall of the opening ring part (1021) is provided with a layer of the copper conductor (2).
2. The copper-aluminum terminal according to claim 1, wherein the second portion (102) further comprises a current-drawing portion (1022), the current-drawing portion (1022) being fixed to an outer wall of the open ring portion (1021).
3. The copper-aluminum terminal according to claim 1, characterized in that the weight percentage of the copper conductor (2) is 25%.
4. The copper-aluminum terminal according to claim 1, characterized in that the copper conductor (2) is welded to the inner wall of the open ring portion (1021).
5. The copper-aluminum terminal according to claim 1, characterized in that the inner wall of the first portion (101) is provided with serration (1011) along its circumference.
6. The copper-aluminum terminal according to claim 5, characterized in that the serration (1011) extends from one end to the other end thereof in the axial direction of the first portion (101).
7. The copper-aluminum terminal according to claim 5 or 6, characterized in that the inner wall of the first portion (101) is provided with a circle of consecutive serrations (1011) along its circumference.
8. The copper-aluminum terminal of claim 1, wherein the open ring portion (1021) is of an integral structure with the first connection portion (1023) and the second connection portion (1024).
9. The copper-aluminum terminal according to claim 1, characterized in that the material of the aluminum conductor (1) is 8030 or 1070 aluminum.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121537743.4U CN216085394U (en) | 2021-07-07 | 2021-07-07 | Copper-aluminum terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121537743.4U CN216085394U (en) | 2021-07-07 | 2021-07-07 | Copper-aluminum terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216085394U true CN216085394U (en) | 2022-03-18 |
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ID=80664775
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121537743.4U Active CN216085394U (en) | 2021-07-07 | 2021-07-07 | Copper-aluminum terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216085394U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024056046A1 (en) * | 2022-09-16 | 2024-03-21 | 长春捷翼汽车科技股份有限公司 | New copper-aluminum composite terminal |
| WO2024056047A1 (en) * | 2022-09-16 | 2024-03-21 | 长春捷翼汽车科技股份有限公司 | Novel copper-aluminum composite terminal |
-
2021
- 2021-07-07 CN CN202121537743.4U patent/CN216085394U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024056046A1 (en) * | 2022-09-16 | 2024-03-21 | 长春捷翼汽车科技股份有限公司 | New copper-aluminum composite terminal |
| WO2024056047A1 (en) * | 2022-09-16 | 2024-03-21 | 长春捷翼汽车科技股份有限公司 | Novel copper-aluminum composite terminal |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: Room 1801, Eastern District, 18th Floor, No. 1 Building, 100 Xili, Balizhuang, Chaoyang District, Beijing Patentee after: Beijing Tianze Power Group Co.,Ltd. Country or region after: China Address before: Room 1801, Eastern District, 18th Floor, No. 1 Building, 100 Xili, Balizhuang, Chaoyang District, Beijing Patentee before: BEIJING TIANZE ELECTRIC POWER GROUP Co.,Ltd. Country or region before: China |
|
| CP03 | Change of name, title or address |