Generatrix conductor

A conductor and busbar technology, applied in the field of busbar conductors, can solve the problems of reducing the current carrying capacity, large current carrying capacity, temperature rise, etc., and achieve the effect of increasing the current carrying capacity, large current carrying capacity, and low temperature rise

Active Publication Date: 2013-05-15
广东日昭新技术应用有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003]①The copper carrying capacity is small, the temperature rises, and the cost is high
[0004]②The current carrying capacity of aluminum is small, the temperature rises, the conductivity of aluminum is relatively poor compared to copper and it is easy to oxidize
[0005] ③ The current carrying capacity of copper-clad aluminum is small, the temperature rises, the process of copper-clad aluminum is complicated, and it is a metallurgical combination (the use of copper and aluminum in the prior art must be a metallurgical combination, otherwise there will be an electrochemical reaction), the adhesion of copper and aluminum Copper and aluminum are not layered, they are a whole, and the current density distribution is uneven
Compared with copper-clad aluminum wires with e

Method used

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  • Generatrix conductor

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Embodiment Construction

[0013] The specific embodiments of the present invention will be further described below in conjunction with the accompanying drawings.

[0014] Such as figure 1 As shown, the bus conductor of the present invention, the method for making the copper-sheathed aluminum alloy tube: retain the body oxide layer of the copper sleeve (1) and the aluminum alloy tube (2), and put the copper sleeve (1) on the aluminum alloy tube (2) , the copper sleeve (1) and the aluminum alloy tube (2) are mechanically lapped and combined by a pipe rolling mill, and the copper sleeve (1) and the aluminum alloy tube (2) must be in surface contact. The above-mentioned copper sleeve (1) can also be made of copper tape, which is evenly coated on the aluminum alloy rod, and the seam welding of the copper tape is used to form the copper sleeve (1). The cooperation of copper-sheathed aluminum alloy tubes can also be achieved by expanding the diameter of the aluminum alloy tubes to achieve mechanical joint su...

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Abstract

The invention provides a generatrix conductor. The generatrix conductor is characterized in that a body oxide layer of copper and an aluminum alloy (the oxide layer is thin, and resistance is small) is retained as an isolation protective layer. Electrochemical reaction can be prevented. The copper and the aluminum alloy (such as aluminum magnesium alloy and rare earth aluminum alloy) are matched in a lap joint mode. By splitting of the isolation protective layer, the copper and the aluminum alloy form two conductors which are relatively independent but equal in electric potential. Electromagnetic interference is not generated between the two conductors. Current density distribution uniformity effect is greatly improved. The generatrix conductor is suitable for utilizing in generatrixes of various voltage classes and the conductor of a sleeve tube.

Description

technical field [0001] The invention relates to a busbar conductor suitable for busbars of various voltage levels. Background technique [0002] In order to increase the ampacity and reduce costs, the existing busbar industry has proposed high-strength copper-clad aluminum cable conductors, combined conductor structure power cables, and multi-split copper or aluminum busbars. But still haven't found a more effective way to reduce cost and increase carrying capacity. The conductors of the above-mentioned series of products are copper, aluminum, copper-clad aluminum, and copper-aluminum conductors with insulation and isolation. The disadvantages are: [0003] ①The copper carrying capacity is small, the temperature rises, and the cost is high. [0004] ② The current carrying capacity of aluminum is small, the temperature rises, the conductivity of aluminum is relatively poor compared to copper, and it is easy to oxidize. [0005] ③ The current carrying capacity of copper-cla...

Claims

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Application Information

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IPC IPC(8): H01B7/00H01B7/17H01B7/02H01B5/06
Inventor 罗志昭
Owner 广东日昭新技术应用有限公司
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