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Production method of copper and aluminium interface alloy composite conductor energy-efficient tubular bus duct

A technology for composite conductors and production methods, which is applied in the directions of metal/alloy conductors, insulating conductors/cables, manufacturing rigid tube cables, etc. Strength, effect of preventing short-circuit between phases

Inactive Publication Date: 2016-11-16
四川瀚舟铜铝复合材料有限公司
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Problems solved by technology

In order to prevent phase-to-phase short-circuit in the bus duct, it is often necessary to fill the current-carrying conductors with insulating materials, but in actual use, it is prone to damage and cause phase-to-phase short-circuit, which brings potential safety hazards

Method used

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Embodiment Construction

[0026] Below in conjunction with embodiment the content of the present invention is described in further detail.

[0027] A method for producing an energy-saving tubular bus duct with a copper-aluminum interface alloy composite conductor, characterized in that it comprises the following steps:

[0028] 1) Pretreatment: Use GB / T1196 national standard aluminum material with an aluminum content of not less than 99.7% of high-quality aluminum rod conductor material, use GB / T5231 national standard copper material with a copper content of not less than 99.9% of high-quality oxygen-free copper For pipe materials, remove the oxide layer on the surface of the aluminum rod and the oxide layer on the inner wall of the oxygen-free copper tube, burr the surface of the aluminum rod, and burr the inner wall of the oxygen-free copper tube to 3-5 microns, clean and straighten it for later use;

[0029] 2) Set head: After pretreatment, place it in a nitrogen atmosphere, put the aluminum rod int...

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Abstract

The invention belongs to the technical field of preparation of power transmission wires, in particular to a method for producing an energy-saving tubular bus duct with a copper-aluminum interface alloy composite conductor, comprising the following steps: 1) pretreatment 2) sleeve head 3) interface bonding 4) calendering and compounding 5 ) drawing forming 6) surface treatment 7) pouring 8) assembly. The invention adopts the method of pouring the surface of the bus bar with composite resin. The composite resin has excellent insulation, strong weather resistance and corrosion resistance, can effectively prevent interphase short circuit caused by damage, and improve the compressive strength of the bus bar so that it can reach 45KV. Improved security. Composite resin has an expansion coefficient similar to that of the busbar, which further improves its durability and prevents damage due to thermal expansion.

Description

technical field [0001] The invention belongs to the technical field of preparation of electric transmission wires, in particular to a production method of an energy-saving tubular bus duct of a copper-aluminum interface alloy composite conductor. Background technique [0002] As we all know, natural resources are non-renewable, but some natural resources are continuously consumed with the needs of social and economic development. How to meet the production needs of environmentally friendly products reasonably and effectively in today's accelerated pace of economic development, and at the same time Saving and reducing the consumption of natural resources is a major problem faced in the period of high-tech development. my country is a country poor in copper and rich in aluminum resources. Most of the industrial copper is imported from abroad, while the aluminum resources have excess capacity. In recent years, in order to consume excess aluminum production capacity, the Minist...

Claims

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Application Information

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IPC IPC(8): H01B13/004H01B13/06H01B1/02
CPCH01B13/004H01B1/02H01B13/06
Inventor 刘海敏
Owner 四川瀚舟铜铝复合材料有限公司
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