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Copper-aluminum transition terminal of Al-Fe-Mn-RE aluminum alloy cable and preparation method thereof

A technology of 1. al-fe-mn-re, transition terminal, applied in the direction of multi-core cable end parts, circuits, electrical components, etc., can solve quality problems, poor electrical and mechanical creep resistance, Safety hazards and other issues, to achieve high yield, excellent corrosion resistance, and prolong life

Pending Publication Date: 2016-06-22
河北欣意电缆有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The present invention aims to solve the problem that the copper-aluminum transition terminal in the prior art has great quality problems and potential safety hazards in the connection of aluminum alloy cables due to its poor electrical, mechanical and creep resistance capabilities, and provides A kind of Al-Fe-Mn-RE aluminum alloy cable copper-aluminum transition terminal and preparation method thereof

Method used

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  • Copper-aluminum transition terminal of Al-Fe-Mn-RE aluminum alloy cable and preparation method thereof
  • Copper-aluminum transition terminal of Al-Fe-Mn-RE aluminum alloy cable and preparation method thereof
  • Copper-aluminum transition terminal of Al-Fe-Mn-RE aluminum alloy cable and preparation method thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0042] Such as Figure 1-2 As shown, the Al-Fe-Mn-RE aluminum alloy cable copper-aluminum transition terminal includes an aluminum alloy connecting pipe 1 connected to the cable conductor, a copper nose 2 connected to the other end of the aluminum alloy connecting pipe 1, and the aluminum alloy connecting pipe 1 is an oil-blocking structure with a built-in conductive paste. The aluminum alloy connecting pipe 1 is provided with an inner connection hole, and the cable conductor is inserted into the inner connection hole. The cross-sectional shape of the inner connection hole is circular, fan-shaped, tile-shaped, or semicircular. shape or a shape corresponding to the section of the cable, the copper lug 2 is L-shaped, including a bottom plate 4 connected to the circuit breaker and a connecting column 5 connected to the bottom plate 4, and the other end of the connecting column 5 is connected to the copper-aluminum transition piece 3 Connection, the connection column 5 and the bot...

Embodiment 2

[0050] Such as Figure 3-4 As shown, the Al-Fe-Mn-RE aluminum alloy cable copper-aluminum transition terminal includes an aluminum alloy connecting pipe 1 connected to the cable conductor, a copper nose 2 connected to the other end of the aluminum alloy connecting pipe 1, and the aluminum alloy connecting pipe 1 is an oil-blocking structure with a built-in conductive paste. The aluminum alloy connecting pipe 1 is provided with an inner connection hole, and the cable conductor is inserted into the inner connection hole. The cross-sectional shape of the inner connection hole is circular, fan-shaped, tile-shaped, or semicircular. shape or a shape corresponding to the section of the cable, the copper lug 2 is L-shaped, including a bottom plate 4 connected to the circuit breaker and a connecting column 5 connected to the bottom plate 4, and the other end of the connecting column 5 is connected to the copper-aluminum transition piece 3 Connection, the connecting column 5 and the bot...

Embodiment 3

[0057] Such as Figure 5-6 As shown, the Al-Fe-Mn-RE aluminum alloy cable copper-aluminum transition terminal includes an aluminum alloy connecting pipe 1 connected to the cable conductor, a copper nose 2 connected to the other end of the aluminum alloy connecting pipe 1, and the aluminum alloy connecting pipe 1 is an oil-blocking structure with a built-in conductive paste. The aluminum alloy connecting pipe 1 is provided with an inner connection hole, and the cable conductor is inserted into the inner connection hole. The cross-sectional shape of the inner connection hole is circular, fan-shaped, tile-shaped, or semicircular. shape or a shape corresponding to the section of the cable, the copper lug 2 is L-shaped, including a bottom plate 4 connected to the circuit breaker and a connecting column 5 connected to the bottom plate 4, and the other end of the connecting column 5 is connected to the copper-aluminum transition piece 3 Connection, the connecting column 5 and the bot...

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Abstract

The invention discloses a copper-aluminum transition terminal of an Al-Fe-Mn-RE aluminum alloy cable, and belongs to the technical field of the copper-aluminum transition terminal. The copper-aluminum transition terminal of the Al-Fe-Mn-RE aluminum alloy cable comprises an aluminum alloy connecting pipe connected with a cable conductor and a copper nose connected with the other end of the aluminum alloy connecting pipe; a copper-aluminum transition part is arranged between the aluminum alloy connecting pipe and the copper nose; and the copper-aluminum transition part is an aluminum alloy in a columnar solid structure. The invention also provides a preparation method of the copper-aluminum transition terminal of the Al-Fe-Mn-RE aluminum alloy cable. The preparation method is simple, and easy to operate; and the prepared copper-aluminum transition terminal is excellent in electrical properties, mechanical properties and creep resistance, also has reliable connectivity under a condition of a constantly changing temperature, is outstanding in thermal stability and electric conductivity and can transit steadily and mildly from the aluminum alloy cable to the connecting pipe and to the copper nose.

Description

technical field [0001] The invention belongs to the technical field of copper-aluminum transition terminals, and relates to a copper-aluminum transition terminal for aluminum alloy cables, in particular to an Al-Fe-Mn-RE aluminum alloy cable copper-aluminum transition terminal and a preparation method thereof. The copper-aluminum transition terminal of the invention has excellent electrical properties, mechanical properties and creep resistance, reliable quality and no potential safety hazard. Background technique [0002] With the rapid development of my country's economic construction, the demand for electricity in various industries continues to increase, and the market space for the wire and cable industry is huge. However, copper and aluminum conductors, which are the main components in the wire and cable product structure, have their own shortcomings that are difficult to overcome, so it is necessary to design and manufacture copper-aluminum transition terminals. [0...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01R11/11H01R4/60H01R4/62H01R43/02C22C21/18C22F1/057C22C21/00C22F1/04
CPCH01R4/60H01R4/625H01R11/11H01R43/0235C22C21/00C22C21/16C22C21/18C22F1/04C22F1/057
Inventor 于贵良赵岩张晓欢
Owner 河北欣意电缆有限公司
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