CN210040787U - Wire harness for copper-aluminum wire conversion - Google Patents
Wire harness for copper-aluminum wire conversion Download PDFInfo
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- CN210040787U CN210040787U CN201921204705.XU CN201921204705U CN210040787U CN 210040787 U CN210040787 U CN 210040787U CN 201921204705 U CN201921204705 U CN 201921204705U CN 210040787 U CN210040787 U CN 210040787U
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Abstract
The utility model provides a copper-aluminum wire converted wire harness, which comprises an aluminum cable, wherein one end of the aluminum cable is connected with an aluminum terminal, the other end of the aluminum cable is fixedly connected with a copper-aluminum conversion head, the copper-aluminum conversion head is fixedly connected with one end of the copper cable, the middle part of the copper cable is provided with a grounding terminal, and the other end of the copper cable is fixedly connected with a copper terminal; the copper-aluminum conversion head comprises a copper bar and an aluminum bar, the copper bar and the aluminum bar are in friction welding, and heat shrink tubes are arranged on the outer layers of the copper bar and the aluminum bar. The utility model discloses a copper aluminium conversion head is connected copper cable and aluminium cable, can realize that the aluminium cable replaces the copper cable, has remain the advantage of copper terminal, makes the weight of wire harness reduce to original 1/4~1/2, has solved the restriction problem in terminal space, and simple structure, dependable performance, range of application are extensive, can promote the application of car aluminium and aluminum alloy pencil effectively.
Description
Technical Field
The utility model relates to an automotive wiring harness technical field especially indicates a wire harness of copper aluminium wire conversion.
Background
The traditional automobile wire harness adopts a copper wire as a carrier for energy and signal transmission, copper is used as a nonferrous metal which is applied in a large number of industries, resources in the world are less and less, the price is rapidly increased, and low-cost competition in the automobile industry is severely restricted, so that the copper wire and a copper terminal connected with the copper wire are also in the situation of energy shortage and raw material price rising, and the development of the copper wire harness is limited. In order to reduce the weight of the automobile and reduce the oil consumption and the cost, recently, aluminum and aluminum alloy wire harnesses are applied to the automobile, and both ends of an aluminum or aluminum alloy wire generally need to be connected by copper-aluminum terminals to prevent the galvanic corrosion problem. However, in some occasions, the copper wire is limited by space, platformization, manufacturability and other factors, the connecting end needs to adopt the original copper terminal, and the copper-aluminum terminal cannot be matched with the original sheath, so that the popularization and application of the aluminum wire are limited.
SUMMERY OF THE UTILITY MODEL
To the technical problem that current copper aluminium terminal can't match with the sheath, the utility model provides a wire harness of copper aluminium wire conversion can prevent galvanic corrosion's emergence under the unchangeable circumstances of copper terminal, has enlarged the range of application of aluminium and aluminium alloy wire.
The technical scheme of the utility model is realized like this:
a wire harness for copper-aluminum wire conversion comprises an aluminum cable, wherein one end of the aluminum cable is connected with an aluminum terminal, the other end of the aluminum cable is fixedly connected with a copper-aluminum conversion head, the copper-aluminum conversion head is fixedly connected with one end of the copper cable, the middle part of the copper cable is provided with a grounding terminal, and the other end of the copper cable is fixedly connected with a copper terminal; the copper-aluminum conversion head comprises a copper bar and an aluminum bar, the copper bar and the aluminum bar are in friction welding, and heat shrink tubes are arranged on the outer layers of the copper bar and the aluminum bar.
The copper cable is a double-core cable, one core of the double-core cable is a positive electrode, the other core of the double-core cable is a negative electrode, one end of the positive electrode of the copper cable is connected with the aluminum cable through the copper-aluminum conversion head, and one end of the negative electrode of the copper cable is connected with the grounding terminal.
The grounding terminal is a copper terminal or a brass hole type terminal, and the tail part of the copper terminal or the brass hole type terminal is in compression joint with a conductor at one end of the negative pole of the copper cable.
The copper terminal comprises two female terminals, the tail parts of the female terminals are respectively in compression joint with the positive electrode of the copper cable and the negative conductor of the copper cable, and a sheath is fixedly arranged on the outer layer of the copper terminal.
The center of bar copper is equipped with round hole I, and the diameter of round hole I slightly is greater than the diameter of the anodal one end conductor of copper cable, and round hole I and the anodal end conductor phase-match of copper cable, the center of aluminium bar are equipped with round hole II, and the diameter of round hole II slightly is greater than the diameter of aluminium cable conductor, round hole II and aluminium cable conductor phase-match.
The copper cable comprises a copper conductor and an insulating layer I, wherein the insulating layer I wraps the periphery of the copper conductor, the copper conductor comprises a plurality of strands of copper wires, and the plurality of strands of copper wires are twisted; the aluminum cable comprises an aluminum conductor and an insulating layer II, wherein the insulating layer II wraps the periphery of the aluminum conductor, the aluminum conductor comprises a plurality of strands of aluminum wires, and the plurality of strands of aluminum wires are twisted; the insulating layer I and the insulating layer II are made of the same material, and both the insulating layer I and the insulating layer II are made of polyvinyl chloride or cross-linked polyvinyl chloride or silicon rubber.
The diameter of the aluminum conductor is 1.3-1.9 times of that of the copper conductor.
The beneficial effect that this technical scheme can produce: the utility model discloses a copper aluminium conversion head is connected copper cable and aluminium cable, can realize that the copper terminal replaces the copper aluminium terminal, has remain the advantage of copper terminal, makes the weight reduction of wire harness be original 1/4~1/2, has solved the space restriction problem of terminal, and simple structure, dependable performance, range of application are extensive, can promote the application of car aluminium and aluminum alloy pencil effectively.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only 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 schematic structural diagram of the present invention.
Fig. 2 is a schematic structural diagram of the copper-aluminum adapter of fig. 1.
In the figure, 1-copper terminal, 2-grounding terminal, 3-copper cable, 4-copper aluminum conversion head, 5-aluminum cable, 41-copper bar, 42-aluminum bar, 43-heat shrink tube.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without any creative effort belong to the protection scope of the present invention.
As shown in fig. 1, the utility model provides a wire harness of copper aluminium wire conversion, including aluminium cable 5, aluminium cable 5's one end is connected with the aluminium terminal, aluminium cable 5's the other end and 4 fixed connection of copper aluminium crossover sub, copper aluminium crossover sub 4 and copper cable 3's one end fixed connection, copper cable 3's middle part is equipped with ground terminal 2, copper cable 3's the other end and 1 fixed connection of copper terminal. The copper cable 3 is a double-core cable, one core of the double-core cable is a positive electrode, the other core of the double-core cable is a negative electrode, one end of the positive electrode of the copper cable 3 is connected with the aluminum cable 5 through the copper-aluminum conversion head 4, and a conductor at one end of the negative electrode of the copper cable 3 is in compression joint with the tail part of the grounding terminal 2. The grounding terminal 2 is a copper terminal or a brass hole type terminal, the tail part of the copper terminal or the brass hole type terminal is in compression joint with a conductor at the negative end of the copper cable 3, and the negative end of the copper cable 3 is in compression joint with the grounding terminal 2, so that the copper cable 3 and the grounding terminal 2 are tightly fixed. The copper terminal 1 comprises two female terminals, the tails of the female terminals are respectively in compression joint with the positive electrode of the copper cable and the negative conductor of the copper cable, a sheath is fixedly arranged on the outer layer of the copper terminal 1, the tails of the female terminals are respectively in compression joint with the positive electrode of the copper cable and the negative electrode of the copper cable for fixation, and the female terminals are assembled in the sheath after compression joint.
As shown in fig. 2, the copper-aluminum converter 4 includes a copper bar 41 and an aluminum bar 42, the copper bar 41 and the aluminum bar 42 are friction welded, interface alloying prevents copper-aluminum from contacting galvanic corrosion, so as to accelerate the welding speed of the copper bar 41 and the aluminum bar 42, reduce material loss and welding defects, and the outer layers of the copper bar 41 and the aluminum bar 42 are both provided with heat shrink tubes 43. The center of bar copper 41 is equipped with round hole I, the diameter of round hole I slightly is greater than the diameter of the anodal one end of copper cable 3, round hole I and copper cable 3's positive terminal phase-match, the anodal one end of copper cable 3 of being convenient for penetrates round hole I, the center of aluminium bar 42 is equipped with round hole II, round hole II's diameter slightly is greater than the diameter of aluminium cable 5, round hole II and aluminium cable 5 phase-match, the aluminium cable 5 of being convenient for penetrates round hole II, after copper cable 3 and aluminium cable 5 penetrated round hole I and round hole II respectively, adopt the mode of four directions or hexagonal two crimping to carry out the crimping to copper cable 3 and aluminium cable 5, wear out copper aluminium conversion head 4 after the crimping and insulate through pyrocondensation pipe 43. The copper cable 3 comprises a copper conductor and an insulating layer I, the insulating layer I wraps the periphery of the copper conductor and plays an insulating role on the copper conductor, the copper conductor comprises a plurality of strands of copper wires, and the plurality of strands of copper wires are twisted with each other, so that the flexibility of the copper conductor is greatly increased, and the insulating layer I is not easy to damage; the aluminum cable 5 comprises an aluminum conductor and an insulating layer II, the insulating layer II wraps the periphery of the aluminum conductor, the aluminum conductor comprises a plurality of strands of aluminum wires, and the plurality of strands of aluminum wires are twisted with each other, so that the flexibility of the aluminum conductor is greatly increased, and the insulating layer II is not easy to damage; insulating layer I and insulating layer II's material is the same, and insulating layer I and insulating layer II's material all can be polyvinyl chloride or crosslinked polyvinyl chloride or silicon rubber the utility model discloses well insulating layer I and insulating layer II's material all adopts polyvinyl chloride, the diameter of aluminium conductor is 1.3~1.9 times of the diameter of copper conductor, consequently, utilizes copper aluminium conversion head 4 can realize that copper terminal 1 replaces copper aluminium terminal, and the volume of copper aluminium terminal with the shape is 2~4 times of copper terminal 1, and copper aluminium terminal is heavier, has adopted copper terminal 1, can reduce the volume and the weight of electric wire harness, and the copper terminal is thinner than copper aluminium terminal, can make more complicated shape, makes the utility model discloses an it is more extensive to use.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. A wire harness for copper-aluminum wire conversion comprises an aluminum cable (5), wherein one end of the aluminum cable (5) is connected with an aluminum terminal, and the wire harness is characterized in that the other end of the aluminum cable (5) is fixedly connected with a copper-aluminum conversion head (4), the copper-aluminum conversion head (4) is fixedly connected with one end of a copper cable (3), a grounding terminal (2) is arranged in the middle of the copper cable (3), and the other end of the copper cable (3) is fixedly connected with a copper terminal (1); the copper-aluminum conversion head (4) comprises a copper bar (41) and an aluminum bar (42), the copper bar (41) and the aluminum bar (42) are in friction welding, and heat shrink tubes (43) are arranged on the outer layers of the copper bar (41) and the aluminum bar (42).
2. The wire harness for copper-aluminum wire conversion according to claim 1, wherein the copper cable (3) is a twin-core cable, one core of the twin-core cable is a positive electrode, the other core of the twin-core cable is a negative electrode, one positive electrode end of the copper cable (3) is connected with the aluminum cable (5) through the copper-aluminum conversion head (4), and one negative electrode end conductor of the copper cable (3) is in pressure joint with the tail of the grounding terminal (2).
3. The wire harness for copper-aluminum wire conversion according to claim 1 or 2, wherein the grounding terminal (2) is a copper terminal or a brass female terminal, and the copper terminal or the brass female terminal is connected with the negative end of the copper cable (3).
4. The wire harness for copper-aluminum wire conversion according to claim 3, wherein the copper terminal (1) comprises two female terminals, the tail parts of the female terminals are respectively in pressure connection with the positive electrode of the copper cable and the negative electrode conductor of the copper cable, and a sheath is fixedly arranged on the outer layer of the copper terminal (1).
5. The wire harness for copper-aluminum wire conversion according to claim 3, wherein the center of the copper bar (41) is provided with a round hole I, the diameter of the round hole I is slightly larger than that of the positive end of the conductor of the copper cable (3), the round hole I is matched with the positive end conductor of the copper cable (3), the center of the aluminum bar (42) is provided with a round hole II, the diameter of the round hole II is larger than that of the conductor of the aluminum cable (5), and the round hole II is matched with the conductor of the aluminum cable (5).
6. The wire harness for copper-aluminum wire conversion according to claim 5, wherein the copper cable (3) comprises a copper conductor and an insulating layer I, the insulating layer I is wrapped around the copper conductor, the copper conductor comprises a plurality of strands of copper wires, and the plurality of strands of copper wires are twisted; the aluminum cable (5) comprises an aluminum conductor and an insulating layer II, the insulating layer II wraps the periphery of the aluminum conductor, the aluminum conductor comprises a plurality of strands of aluminum wires, and the plurality of strands of aluminum wires are twisted; the insulating layer I and the insulating layer II are made of the same material, and both the insulating layer I and the insulating layer II are made of polyvinyl chloride or cross-linked polyvinyl chloride or silicon rubber.
7. The wire harness for copper-aluminum wire conversion according to claim 6, wherein the diameter of the aluminum conductor is 1.3 to 1.9 times the diameter of the copper conductor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921204705.XU CN210040787U (en) | 2019-07-29 | 2019-07-29 | Wire harness for copper-aluminum wire conversion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921204705.XU CN210040787U (en) | 2019-07-29 | 2019-07-29 | Wire harness for copper-aluminum wire conversion |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210040787U true CN210040787U (en) | 2020-02-07 |
Family
ID=69350330
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921204705.XU Active CN210040787U (en) | 2019-07-29 | 2019-07-29 | Wire harness for copper-aluminum wire conversion |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210040787U (en) |
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2019
- 2019-07-29 CN CN201921204705.XU patent/CN210040787U/en active Active
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