Low-melting-point metal cable continuation device

A low-melting-point metal and cable connection technology, applied in conductive connection, electrical component connection, welding/welding connection, etc., can solve the problems of core wire and insulating layer damage, affecting welding quality, secondary failure, etc. , the structure is simple, the effect of avoiding damage

Active Publication Date: 2013-09-25
BEIJING EMIKON TECH DEV
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  • Summary
  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

Compared with the mechanical clamping method, high-temperature welding has higher reliability, but the operating temperature of high-temperature welding exceeds 100 degrees Celsius, which not only consumes a lot of energy, but also often leads to damage to the core wire and insulation layer, which affects the welding quality and causes secondary failures

Method used

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  • Low-melting-point metal cable continuation device

Examples

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Embodiment 1

[0031] Embodiment 1 shows a typical application of the low melting point metal cable splicing device of the present invention. figure 1 It is a schematic diagram of the welding structure of the low-melting point metal cable connection device.

[0032] Such as figure 1 As shown, the low-melting-point metal cable connection device of this embodiment is composed of a low-melting-point metal inner ring 1 , an insulating sleeve 2 , a shielded copper mesh 3 with a low-melting-point metal coating 4 , and a heat gun 5 .

[0033] The structure of the cable to be connected is the core wire 6, the insulating sleeve 7 and the shielding net 8 in sequence from the inside to the outside.

[0034] In this embodiment, the cable core wire 6 is made of copper with a diameter of 3 mm, the cable shielding layer 8 is made of copper mesh, and the material of the insulating sleeve 7 is solid polyethylene.

[0035] In this embodiment, the low-melting-point metal is bismuth-indium-tin alloy (mass fra...

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Abstract

The invention relates to a low-melting-point metal cable continuation device. The low-melting-point metal cable continuation device is characterized by being composed of a low-melting-point metal inner ring, an insulating sleeve, a shielding copper mesh with low-melting-point metal coatings, and a heat gun. Grooves are formed in the two sides of the low-melting-point metal inner ring, and a cable core is connected to the grooves and welded. The insulating sleeve wraps the low-melting-point metal inner ring from the outer side for forming a welding spot outer insulating layer. The shielding copper mesh with the low-melting-point metal coatings is used for achieving welding of a cable metal shielding layer, and the two ends of the shielding copper mesh are coated with the low-melting-point metal coatings. In the use process, the heat gun is used for heating low-melting-point metal, so that the low-melting-point metal is melted for achieving the welding process. The low-melting-point metal cable continuation device is simple in structure, convenient to operate, safe and reliable, saves energy and protects environment, thereby being capable of being widely used in field of the cable continuation projects of rail transit, information communication and the like.

Description

technical field [0001] The invention relates to a cable connecting device, which uses low melting point metal as welding material. The whole welding process can be carried out at a relatively low temperature, which is more energy-saving and avoids damage to the core wire and insulation layer caused by high temperature. At the same time, the strength and conductivity of the welding head made by the low-temperature welding process are far superior to the traditional metal clamping method. The low-melting-point metal cable connection device provided by the invention has the advantages of simple structure, convenient operation, energy saving, environmental protection, safety and reliability, and can be widely used in the field of cable connection engineering such as rail transit and information communication. Background technique [0002] Cable splicing is an important part of communication line construction. Cable failures are often caused by external force damage, damp insula...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01R11/00H01R11/09H01R4/02
Inventor 周强张萍郭瑞
Owner BEIJING EMIKON TECH DEV
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