CN218300276U - Copper-aluminum composite conductive bar - Google Patents
Copper-aluminum composite conductive bar Download PDFInfo
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- CN218300276U CN218300276U CN202222538474.4U CN202222538474U CN218300276U CN 218300276 U CN218300276 U CN 218300276U CN 202222538474 U CN202222538474 U CN 202222538474U CN 218300276 U CN218300276 U CN 218300276U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The utility model belongs to the technical field of new energy batteries, especially, relate to a copper aluminium composite conducting bar, including the conducting bar body, the conducting bar body includes aluminium conducting bar, soft copper conducting bar and hard copper conducting bar, the one end of soft copper conducting bar is connected with the one end of aluminium conducting bar, the other end of soft copper conducting bar bends upwards and extends, the other end of aluminium conducting bar is connected with the one end of hard copper conducting bar, the other end of hard copper conducting bar bends upwards and extends; the surface of the soft copper conducting bar is welded with a nickel sheet, and the surface of the hard copper conducting bar is electroplated with a nickel layer; through adopting the aluminium is electrically conducted and is arranged as one of them connecting material, can effectively reduce manufacturing cost, and the both ends of the aluminium are electrically conducted and are arranged fixed connection respectively the soft copper is electrically conducted the row with the hard copper is electrically conducted the row, can effectively improve the joint strength and the conducting capacity of electrically conducting the row.
Description
Technical Field
The utility model relates to a new forms of energy battery technical field especially relates to a copper aluminium composite conductor bar.
Background
With the development of social economy and the continuous development of new energy industries, new energy automobiles serve as one of key industries in the new energy industries, and automobile batteries for providing energy for electric automobiles also meet the development opportunity. A conductive bar is a commonly used connector in the electrical field that functions to carry current and connect electrical devices in an electrical circuit.
At present, in the field of new energy automobile batteries, a single copper material or a single aluminum material is conventionally adopted as a conductive bar of the battery. However, when a single copper material is used as the conductive bar, the production cost of the conductive bar is too high, and when a single aluminum material is used for manufacturing the conductive bar, the connection strength and the conductive capability of the conductive bar are insufficient; and the phenomenon of oxidation, electroerosion appear easily after the long-time use of conductive bar on the market, cause equipment contact failure, lead to the short circuit even and cause the conflagration, have great potential safety hazard. Therefore, it is necessary to design a copper-aluminum composite conducting bar to solve the defects of the prior art.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a copper aluminium is compound to lead electrical drainage, it is not enough to aim at solving among the prior art because of adopting single aluminum product to lead to leading the joint strength, the conductive ability of electrical drainage, adopts single copper product to lead to leading electrical drainage manufacturing cost too high, and leads electrical drainage to lead to equipment contact failure because of oxidation, galvanic corrosion easily, has the technical problem of potential safety hazard.
In order to achieve the above object, an embodiment of the present invention provides a copper-aluminum composite conducting bar, which includes a conducting bar body, wherein the conducting bar body includes an aluminum conducting bar, a soft copper conducting bar and a hard copper conducting bar, one end of the soft copper conducting bar is connected to one end of the aluminum conducting bar, the other end of the soft copper conducting bar is bent upwards and extends, the other end of the aluminum conducting bar is connected to one end of the hard copper conducting bar, and the other end of the hard copper conducting bar is bent upwards and extends; the surface of the soft copper conducting bar is welded with a nickel sheet, and the surface of the hard copper conducting bar is electroplated with a nickel layer.
Optionally, one end of the aluminum conductive bar is welded to one end of the soft copper conductive bar by polymer diffusion welding, and the other end of the aluminum conductive bar is welded to one end of the hard copper conductive bar by polymer diffusion welding.
Optionally, the soft copper conducting bar and the hard copper conducting bar are both provided with welding positioning holes, welding positioning protrusions are arranged at two ends of the aluminum conducting bar, and the welding positioning protrusions and the welding positioning holes are mutually matched and clamped.
Optionally, an insulating layer is coated on the outer side of the conductive bar body, the insulating layer includes a heat shrink tube and a cloth-based tape, the heat shrink tube is coated on the outer side of the conductive bar body, and the cloth-based tape is bonded on the outer side of the heat shrink tube.
Optionally, the soft copper conducting bar comprises a first bending portion and a second bending portion, one end of the soft copper conducting bar is connected with the aluminum conducting bar, the other end of the soft copper conducting bar is bent upwards to extend to form the first bending portion, and the soft copper conducting bar is bent upwards to extend to the left to form the second bending portion.
Optionally, the electrically conductive row of hard copper includes third bending and fourth bending, the electrically conductive one end of arranging of hard copper with the electrically conductive other end of arranging of aluminium is connected, the electrically conductive other end of arranging of hard copper upwards bends to extend and forms third bending, the electrically conductive row of hard copper upwards extends to the right side bend to extend and form fourth bending.
Optionally, the soft copper conducting bar and the hard copper conducting bar are both provided with connecting holes, and the connecting holes are circular, oval or regular polygon.
Optionally, the soft copper conducting bar, the aluminum conducting bar and the hard copper conducting bar are processed and integrally formed by strip-shaped metal profiles respectively.
Optionally, the nickel sheet is 0.1-0.2mm thick, and the nickel layer is 10-20um thick.
Optionally, the thickness of the hard copper conductive bar is 3mm, the thickness of the soft copper conductive bar is 3mm, and the thickness of the aluminum conductive bar is 3mm.
The embodiment of the utility model provides an above-mentioned one or more technical scheme in the copper aluminium composite conductive row have one of following technological effect at least:
the utility model can effectively reduce the production cost by adopting the aluminum conducting bar as one of the connecting materials, and the two ends of the aluminum conducting bar are respectively fixedly connected with the soft copper conducting bar and the hard copper conducting bar, so that the connecting strength and the conducting capacity of the conducting bar can be effectively improved; furthermore, the nickel layer is electroplated on the surface of the hard conducting bar after the bending treatment, the soft copper conducting bar is welded after the nickel sheet is bent, the nickel sheet is welded on the soft copper conducting bar, the nickel layer is electroplated on the hard copper conducting bar, the corrosion resistance and the oxidation resistance of the copper-aluminum composite conducting bar are improved, the phenomenon of poor contact of the conducting bar due to oxidation and electric corrosion is prevented, the potential safety hazard is eliminated, and the copper-aluminum composite conducting bar has high practicability.
Drawings
Fig. 1 is a schematic structural diagram of a copper-aluminum composite conductive bar provided in an embodiment of the present invention;
fig. 2 is a top view of a copper-aluminum composite conductive bar provided in an embodiment of the present invention;
fig. 3 is a front view of the copper-aluminum composite conducting bar provided by the embodiment of the present invention.
Wherein, in the figures, the respective reference numerals:
1. a conductive bar body; 11. Welding a positioning hole; 12. Connecting holes;
2. an aluminum conductive bar; 3. A soft copper conductive bar; 31. A first bending portion;
32. a second bending portion; 4. A hard copper conducting bar; 41. A third bent portion;
42. a fourth bent portion; 5. A nickel sheet; 6. A nickel layer;
7. an insulating layer; 71. A cloth-based adhesive tape.
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 by referring to the drawings are exemplary intended for explaining the embodiments of the present invention, and should not be construed as limiting the present invention.
In the description of the embodiments of the present invention, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings, which is only for convenience in describing the embodiments of the present invention and simplifying the description, and do not indicate or imply that the device or element so indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the 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 to implicitly indicate 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 embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as fixed or detachable connections or as an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through the use of two elements or the interaction of two elements. The specific meaning of the above terms in the embodiments of the present invention can be understood by those skilled in the art according to specific situations.
In an embodiment of the present invention, as shown in fig. 1 to fig. 3, a copper-aluminum composite conductive bar is provided, which includes a conductive bar body 1, wherein the conductive bar body 1 includes an aluminum conductive bar 2, a soft copper conductive bar 3 and a hard copper conductive bar 4. One end of the soft copper conducting bar 3 is connected with one end of the aluminum conducting bar 2, the other end of the soft copper conducting bar 3 is bent upwards and extends, the other end of the aluminum conducting bar 2 is connected with one end of the hard copper conducting bar 4, and the other end of the hard copper conducting bar 4 is bent upwards and extends; the surface of the soft copper conducting bar 3 is welded with a nickel sheet 5, and the surface of the hard copper conducting bar 4 is electroplated with a nickel layer 6.
The utility model adopts the aluminum conductive bar 2 as one of the connecting materials, which can effectively reduce the production cost, and the soft copper conductive bar 3 and the hard copper conductive bar 4 are respectively and fixedly connected at the two ends of the aluminum conductive bar 2, which can effectively improve the connecting strength and the conductive capability of the conductive bar; furthermore, the hard conducting bar is subjected to bending treatment and then is electroplated with a nickel layer 6 on the surface, the soft copper conducting bar is subjected to bending treatment after being welded with a nickel sheet 5, the soft copper conducting bar is subjected to bending treatment after being welded with the nickel sheet 5, the corrosion resistance and the oxidation resistance of the copper-aluminum composite conducting bar are improved through welding the nickel sheet 5 on the soft copper conducting bar 3 and electroplating the nickel layer 6 on the hard copper conducting bar 4, the phenomenon of poor contact of the conducting bar due to oxidation and electric corrosion is prevented, the potential safety hazard is eliminated, and the copper-aluminum composite conducting bar has high practicability.
Specifically, in another embodiment of the present invention, as shown in fig. 1 to fig. 3, one end of the aluminum conductive bar 2 is welded to one end of the soft copper conductive bar 3 by polymer diffusion welding, and the other end of the aluminum conductive bar 2 is welded to one end of the hard copper conductive bar 4 by polymer diffusion welding. Through adopting polymer diffusion welded's connected mode, connect soft copper conducting bar 3, aluminium conducting bar 2 and hard copper conducting bar 4 in proper order, make the connectivity and the stability of conducting bar body 1 stronger.
Furthermore, the soft copper conducting bar 3 and the hard copper conducting bar 4 are both provided with welding positioning holes 11, and two ends of the aluminum conducting bar 2 are provided with welding positioning protrusions (not shown), and the welding positioning protrusions and the welding positioning holes 11 are matched and clamped with each other. Through setting up the welding locating hole 11 and the welding position arch of mutually supporting joint, make the electrically conductive row of soft copper 3 and the electrically conductive row 2 realization location of aluminium, the electrically conductive row of hard copper 4 and the electrically conductive row 2 realization location of aluminium, be convenient for electrically conductive row 3 of soft copper and the electrically conductive row 2 of aluminium carry out the polymer diffusion welding, also be convenient for electrically conductive row 4 of hard copper and the electrically conductive row 2 of aluminium carry out the polymer diffusion welding, make electrically conductive row 3 of soft copper and electrically conductive row 4 of hard copper fixed connection respectively in the electrically conductive both ends of arranging 2 of aluminium, play the effect of carrying current and connecting electrical equipment in the circuit. Therefore, the conductive bar can meet the requirement of connection strength while saving the manufacturing cost, and has high practicability.
Specifically, in another embodiment of the present invention, as shown in fig. 1 to fig. 3, the outside of the conductive bar body 1 is covered with an insulating layer 7, the insulating layer 7 includes a heat shrinkable tube (not shown) and a cloth-based adhesive tape 71, the heat shrinkable tube is covered on the outside of the conductive bar body 1, and the cloth-based adhesive tape 71 is adhered on the outside of the heat shrinkable tube. Wherein the heat shrinkable tube is made of EVA, and the thickness of the single side is 1.0-1.6 mm. In this example, the thickness of the single side of the heat shrinkable tube was 1.6mm. Specifically, the cloth-based adhesive tape 71 is fixedly connected with the heat shrink tube after being wound with at least three layers along the insulating layer 7, and the insulating layer 7 can be stably coated with soft aluminum to connect the conductive bar through the adhesion of the cloth-based adhesive tape 71, so that the insulating property of the conductive bar is ensured.
Specifically, in another embodiment of the present invention, as shown in fig. 1 to 3, the soft copper conductive bar 3 includes a first bending portion 31 and a second bending portion 32, one end of the soft copper conductive bar 3 is connected to the aluminum conductive bar 2, the other end of the soft copper conductive bar 3 is bent upwards to form the first bending portion 31, and the soft copper conductive bar 3 is bent upwards to form the second bending portion 32. It should be understood that first portion of bending 31 and the second portion of bending 32 should carry out the pluralism processing of bending according to the power product structure in the new energy automobile, and first portion of bending 31 and the second portion of bending 32 can satisfy bending of multiple shape, make the compound electrically conductive row of copper aluminium can cooperate the external power source module to connect, to this, the utility model discloses do not do the injecing.
Further, the hard copper conducting bar 4 comprises a third bending portion 41 and a fourth bending portion 42, one end of the hard copper conducting bar 4 is connected with the other end of the aluminum conducting bar 2, the other end of the hard copper conducting bar 4 is bent upwards and extends to form the third bending portion 41, and the hard copper conducting bar 4 is bent upwards and extends to the right side to form the fourth bending portion 42. It should be understood that the third bending portion 41 and the fourth bending portion 42 should carry out the pluralism processing of bending according to the power product structure in the new energy automobile, and the bending of multiple shape can be satisfied to third bending portion 41 and fourth bending portion 42, makes the compound electrically conductive row of copper aluminium can cooperate the external power source module to connect, and to this, the utility model discloses do not prescribe a limit to.
Specifically, in another embodiment of the present invention, as shown in fig. 1 to 3, the soft copper conductive bar 3 and the hard copper conductive bar 4 are both provided with the connection holes 12, and the connection holes 12 are circular, oval or regular polygon. In the present embodiment, the shape of the connection hole 12 is an ellipse. The user can fixedly connect the copper-aluminum composite conductive bar with other power modules through bolts, so that the conductive bar can realize the functions of current transmission and electrical equipment connection.
Specifically, in another embodiment of the present invention, as shown in fig. 1 to 3, the soft copper busbar 3, the aluminum busbar 2 and the hard copper busbar 4 are respectively integrally formed by processing a strip-shaped metal profile. Because the electrically conductive row of soft copper 3, the electrically conductive row of hard copper 4 and the electrically conductive row of aluminium 2 all are integrated into one piece, can greatly improve the production efficiency of electrically conductive row, shorten the preparation cycle, reduction in production cost by a wide margin, and the electrically conductive row of soft copper 3 adopts the soft copper material preparation, has stronger controllability, can effectively absorb the stress because of outside vibrations cause, improves the reliability that the electrically conductive row of copper-aluminium complex connects from this, prolongs its life, has high practicality.
Specifically, in another embodiment of the present invention, as shown in fig. 1 to 3, the nickel sheet 5 has a thickness of 0.1 to 0.2mm and the nickel layer 6 has a thickness of 10 to 20um. In this embodiment, the nickel sheet 5 is 0.1mm thick and the nickel layer 6 is 10um thick. Through 3 welding nickel pieces 5 at the electrically conductive row of soft copper, at 4 electroplating nickel layers 6 of the electrically conductive row of hard copper to improve the corrosion resistance of the electrically conductive row of copper aluminium complex, can effectively avoid causing the influence because of chemical attack to the conductivity of the electrically conductive row of copper aluminium complex, thereby prolong the life of this electrically conductive row of copper aluminium complex.
Specifically, in another embodiment of the present invention, as shown in fig. 1 to 3, the thickness of the hard copper conductive bar 4 is 3mm, the thickness of the soft copper conductive bar 3 is 3mm, and the thickness of the aluminum conductive bar 2 is 3mm.
The above, only be the embodiment of the preferred of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, which are designed to be replaced or changed equally, all should be covered within the protection scope of the present invention.
Claims (10)
1. A copper-aluminum composite conducting bar is characterized by comprising a conducting bar body, wherein the conducting bar body comprises an aluminum conducting bar, a soft copper conducting bar and a hard copper conducting bar, one end of the soft copper conducting bar is connected with one end of the aluminum conducting bar, and the other end of the soft copper conducting bar is bent upwards and extends; the other end of the aluminum conductive bar is connected with one end of the hard copper conductive bar, and the other end of the hard copper conductive bar is bent upwards and extends; the surface of the soft copper conducting bar is welded with a nickel sheet, and the surface of the hard copper conducting bar is electroplated with a nickel layer.
2. The copper-aluminum composite conducting bar as recited in claim 1, wherein one end of the aluminum conducting bar is welded with one end of the soft copper conducting bar by polymer diffusion welding, and the other end of the aluminum conducting bar is welded with one end of the hard copper conducting bar by polymer diffusion welding.
3. The copper-aluminum composite conducting bar as claimed in claim 2, wherein the soft copper conducting bar and the hard copper conducting bar are provided with welding positioning holes, and welding positioning protrusions are arranged at two ends of the aluminum conducting bar and are mutually matched and clamped with the welding positioning holes.
4. The copper-aluminum composite conductive bar as recited in claim 1, wherein an insulating layer is coated outside the conductive bar body, the insulating layer comprises a heat shrinkable tube and a cloth-based tape, the heat shrinkable tube is coated outside the conductive bar body, and the cloth-based tape is adhered outside the heat shrinkable tube.
5. The copper-aluminum composite conducting bar as recited in claim 1, wherein the soft copper conducting bar comprises a first bending portion and a second bending portion, one end of the soft copper conducting bar is connected with the aluminum conducting bar, the other end of the soft copper conducting bar is bent upwards to form the first bending portion, and the soft copper conducting bar is bent upwards to form the second bending portion.
6. The copper-aluminum composite conductive bar as recited in claim 5, wherein the hard copper conductive bar comprises a third bending portion and a fourth bending portion, one end of the hard copper conductive bar is connected with the other end of the aluminum conductive bar, the other end of the hard copper conductive bar is bent upwards and extends to form the third bending portion, and the hard copper conductive bar is bent upwards and extends to the right to form the fourth bending portion.
7. The copper-aluminum composite conducting bar as recited in any one of claims 1 to 6, wherein the soft copper conducting bar and the hard copper conducting bar are both provided with connecting holes, and the shape of the connecting holes is circular, oval or regular polygon.
8. The copper-aluminum composite busbar according to any one of claims 1 to 6, wherein said soft copper busbar, aluminum busbar and said hard copper busbar are integrally formed by machining a strip-shaped metal profile.
9. The copper-aluminum composite busbar according to any one of claims 1 to 6, wherein the thickness of the nickel sheet is 0.1 to 0.2mm, and the thickness of the nickel layer is 10 to 20um.
10. The copper-aluminum composite busbar according to any one of claims 1 to 6, wherein the thickness of the hard copper busbar is 3mm, the thickness of the soft copper busbar is 3mm, and the thickness of the aluminum busbar is 3mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222538474.4U CN218300276U (en) | 2022-09-23 | 2022-09-23 | Copper-aluminum composite conductive bar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222538474.4U CN218300276U (en) | 2022-09-23 | 2022-09-23 | Copper-aluminum composite conductive bar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218300276U true CN218300276U (en) | 2023-01-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222538474.4U Active CN218300276U (en) | 2022-09-23 | 2022-09-23 | Copper-aluminum composite conductive bar |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218300276U (en) |
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2022
- 2022-09-23 CN CN202222538474.4U patent/CN218300276U/en active Active
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