CN211655075U - Corrosion-resistant automobile connecting wire - Google Patents
Corrosion-resistant automobile connecting wire Download PDFInfo
- Publication number
- CN211655075U CN211655075U CN202020474834.7U CN202020474834U CN211655075U CN 211655075 U CN211655075 U CN 211655075U CN 202020474834 U CN202020474834 U CN 202020474834U CN 211655075 U CN211655075 U CN 211655075U
- Authority
- CN
- China
- Prior art keywords
- aluminium
- pencil
- line end
- insulating tube
- corrosion
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
Links
- 238000005260 corrosion Methods 0.000 title claims abstract description 26
- 230000007797 corrosion Effects 0.000 title claims abstract description 25
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 74
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 72
- 239000004411 aluminium Substances 0.000 claims abstract description 35
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 30
- 229910052802 copper Inorganic materials 0.000 claims abstract description 22
- 239000010949 copper Substances 0.000 claims abstract description 22
- 239000011248 coating agent Substances 0.000 claims abstract description 21
- 238000000576 coating method Methods 0.000 claims abstract description 21
- 239000002245 particle Substances 0.000 claims description 14
- 229910000838 Al alloy Inorganic materials 0.000 claims description 10
- 238000003466 welding Methods 0.000 abstract description 12
- 238000003825 pressing Methods 0.000 description 5
- 238000010288 cold spraying Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000002788 crimping Methods 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 238000002679 ablation Methods 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- JRBRVDCKNXZZGH-UHFFFAOYSA-N alumane;copper Chemical compound [AlH3].[Cu] JRBRVDCKNXZZGH-UHFFFAOYSA-N 0.000 description 1
- WPPDFTBPZNZZRP-UHFFFAOYSA-N aluminum copper Chemical compound [Al].[Cu] WPPDFTBPZNZZRP-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000006056 electrooxidation reaction Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
Images
Landscapes
- Pressure Welding/Diffusion-Bonding (AREA)
Abstract
The utility model relates to a corrosion-resistant car connecting wire, connecting wire include aluminium line end and copper line end, the aluminium line end includes aluminium pencil, aluminum pipe, insulating tube, aluminium pencil one end is worn to locate in the insulating tube and the other end sets up outside the insulating tube, a terminal pressure equipment cover of aluminum pipe is established on the insulating tube other pot head and is established on the aluminium pencil in the insulating tube outside, the terminal surface of the outer terminal surface of aluminum pipe and aluminium pencil levels and connect the copper line end, aluminium line end and copper line end contact position periphery coating corrosion-resistant coating. The utility model discloses aluminium pencil and copper line end are connected through friction weld's mode, have realized the reliable connection of aluminium pencil and copper line end, and the corrosion-resistant coating of coating in the contact position prevents that the problem that corrodes from appearing in the complex environment in the welding contact position from influencing pencil connection performance simultaneously.
Description
Technical Field
The utility model relates to an automotive connecting line field, concretely relates to corrosion-resistant automotive connecting line.
Background
The existing automobile wire harness is mainly in conductive connection with an aluminum wire through a compression joint or ultrasonic welding mode by a copper terminal. The aluminum wires and the terminals have small gaps, the connecting parts have certain resistance (far larger than the resistance of the material), and the crimping parts are easy to loosen and oxidize along with vehicle-mounted vibration and long-term aging, so that poor contact is caused, and the risk of local heating and even ablation of wire bundles is caused.
Due to the characteristics of the aluminum wire, electrochemical corrosion is easy to occur when copper and aluminum are contacted, an oxide layer is easy to form, the conductivity of the contact part is insufficient, and the creep phenomenon is easy to occur under mechanical load compared with copper. Therefore, if the traditional aluminum-copper crimping process is adopted, the reliability of the copper-aluminum wire harness cannot be guaranteed, and the application of the aluminum wire harness is challenged.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a corrosion-resistant car connecting wire for car connecting wire aluminium pencil and the problem that copper line end word connection among the solution prior art is insecure and easily corrodes appears.
The utility model provides a corrosion-resistant car connecting wire, including aluminium line end and copper line end, the aluminium line end includes aluminium pencil, aluminum pipe, insulating tube, aluminium pencil one end is worn to locate in the insulating tube and the other end sets up outside the insulating tube, a terminal pressure equipment cover of aluminum pipe is established on the insulating tube and is established on the aluminium pencil in the insulating tube outside other pot head, the terminal surface of the outer terminal surface of aluminum pipe and aluminium pencil levels and connects the terminal surface of copper line end, aluminium line end and copper line end contact position periphery coating corrosion-resistant coating.
Further, the material of the corrosion-resistant coating is pure aluminum particles, 2000 series aluminum alloy particles, 6000 series aluminum alloy particles or 7000 series aluminum alloy particles.
Furthermore, the insulating tube is made of rubber.
Adopt above-mentioned the utility model discloses technical scheme's beneficial effect is:
the utility model discloses connect aluminium pencil and copper line end through friction weld's mode, realized the reliable connection of aluminium pencil and copper line end, at the corrosion-resistant coating of contact position coating simultaneously, prevent that the problem that corrodes appears in the complex environment in the welding contact position from influencing pencil connection performance.
Drawings
FIG. 1 is a schematic view of the corrosion-resistant automobile connecting line structure of the present invention;
FIG. 2 is a flow chart of the friction welding process of the corrosion-resistant automobile connecting line of the present invention;
in the drawings, the components represented by the respective reference numerals are listed below:
1-copper wire end, 2-aluminum wire harness, 3-aluminum pipe, 4-insulating pipe and 5-corrosion-resistant coating.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention.
As shown in fig. 1, the embodiment of the utility model provides a corrosion-resistant automotive connection line, including aluminium line end and copper line end 1, the aluminium line end includes aluminium pencil 2, aluminum pipe 3, insulating tube 4, 2 one ends of aluminium pencil are worn to locate in insulating tube 4 and the other end sets up outside insulating tube 4, a pressure equipment cover of aluminum pipe 3 is established on insulating tube 4 another pot head and is established on aluminium pencil 2 in the insulating tube 4 outside, the outer terminal surface of aluminum pipe 3 and aluminium pencil 2 levels and connects the terminal surface of copper line end 1, aluminium line end and 1 contact position periphery coating corrosion-resistant coating 5 of copper line end.
Specifically, the material of the corrosion-resistant coating 5 is pure aluminum particles, 2000 series aluminum alloy particles, 6000 series aluminum alloy particles or 7000 series aluminum alloy particles.
Specifically, the insulating tube 4 is made of rubber.
As shown in fig. 2, the friction welding process of the corrosion-resistant automobile connecting line comprises the following steps:
(1) peeling the head of the aluminum wire harness 2 sleeved with the insulating tube 4, peeling the insulating tube 4 on the periphery of one end of the aluminum wire harness 2, and exposing the outer end of the aluminum wire harness 2 outside the insulating tube 4;
(2) sleeving an aluminum pipe 3 on the aluminum wire harness 2 and the insulating pipe 4 exposed outside the insulating pipe 4, performing primary pressing on the aluminum pipe 3 by using a pressing machine, pressing one end of the aluminum pipe 3 on the aluminum wire harness 2, then performing secondary pressing, and pressing the other end of the aluminum pipe 3 on the insulating pipe 4;
(3) cutting flat end faces perpendicular to the axial direction from the outer end faces of the aluminum wire harness 2 and the aluminum pipe 3;
(4) placing the head of an aluminum wire harness 2 of a withholding aluminum pipe 3 in a clamp of a friction welding machine, and placing a copper wire end 1 in a welding clamp of a rotary machine head;
(5) starting a friction welding machine and a rotary machine head, driving the copper wire end 1 to rotate at a high speed by the rotary machine head, and simultaneously gradually moving an aluminum wire bundle 2 of a withholding aluminum pipe 3 forward to be close to the copper wire end 1 to finally contact the copper wire end 1 and weld the copper wire end and the copper wire end through friction welding;
(6) and a corrosion-resistant coating 5 is coated on the periphery of the contact position of the aluminum wire end and the copper wire end 1.
Specifically, the coating corrosion-resistant coating 5 specifically comprises: the contact position of the aluminum wire end and the copper wire end 1 is ground and heated, and then cold spraying particles with the particle size of 25 mu m are adopted to carry out cold spraying surface treatment on the aluminum alloy welding joint, the powder feeding speed is 20g/min, and the powder feeding distance is 25mm, so that a cold spraying layer with the thickness of 2-3mm is formed at the welding joint.
To sum up, the utility model discloses connect aluminium pencil and copper line end through friction weld's mode, realized the reliable connection of aluminium pencil and copper line end, at the corrosion-resistant coating of contact position coating simultaneously, prevent that the problem that corrodes from appearing in the complex environment in the welding contact position from influencing pencil connection performance.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (3)
1. The utility model provides a corrosion-resistant automobile connection line, its characterized in that, includes aluminium line end and copper line end, the aluminium line end includes aluminium pencil, aluminum pipe, insulating tube, aluminium pencil one end is worn to locate in the insulating tube and the other end sets up outside the insulating tube, a pressure equipment cover of aluminum pipe is established on the insulating tube other pot head and is established on the aluminium pencil in the insulating tube outside, the terminal surface of aluminum pipe and aluminium pencil outer terminal surface level and connect the copper line end, the aluminium line end touches position periphery coating corrosion-resistant coating with copper line end.
2. The corrosion-resistant automotive connecting wire of claim 1, wherein the corrosion-resistant coating is made of pure aluminum particles, 2000-series aluminum alloy particles, 6000-series aluminum alloy particles or 7000-series aluminum alloy particles.
3. The corrosion-resistant automotive connection cable of claim 1, wherein the insulating tube is made of rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020474834.7U CN211655075U (en) | 2020-04-03 | 2020-04-03 | Corrosion-resistant automobile connecting wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020474834.7U CN211655075U (en) | 2020-04-03 | 2020-04-03 | Corrosion-resistant automobile connecting wire |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211655075U true CN211655075U (en) | 2020-10-09 |
Family
ID=72688370
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020474834.7U Ceased CN211655075U (en) | 2020-04-03 | 2020-04-03 | Corrosion-resistant automobile connecting wire |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211655075U (en) |
-
2020
- 2020-04-03 CN CN202020474834.7U patent/CN211655075U/en not_active Ceased
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| IW01 | Full invalidation of patent right |
Decision date of declaring invalidation: 20231205 Decision number of declaring invalidation: 565263 Granted publication date: 20201009 |
|
| IW01 | Full invalidation of patent right |