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Novel bendable transformer copper bar

A transformer and bending technology, applied in the field of new flexible transformer copper bars, can solve problems such as poor heat dissipation performance, and achieve the effect of reducing skin effect, good heat dissipation effect and cost reduction

Inactive Publication Date: 2019-06-25
谷约飞
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In order to overcome the limitations of the shape of copper bars and the defects of poor heat dissipation performance in the prior art, the present invention provides a new type of bendable transformer copper bar, which has a simple structure, low resistivity, large foldable curvature, and high conductivity. Set a plurality of through holes, and set convex strips and grooves on the bottom surface to increase the surface area and improve heat dissipation performance. In addition, it is convenient to fix other components during the assembly process, which can be used in narrow spaces and shortens the installation time.

Method used

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Experimental program
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Effect test

Embodiment 1

[0019] A new type of bendable transformer copper bar, which has a copper bar body 1, the bottom surface of the copper bar body 1 is provided with three sets of raised strips 8 at intervals along its length direction, and two sets of grooves 7 are formed between the three sets of raised bars 8, forming a section The copper bar body 1 is an M-shaped structure, and the widths of each group of convex strips 8 and each group of grooves 7 are the same. A plurality of through holes 2 are opened on the surface of the copper bar body 1, and the through holes 2 are arranged in a straight line. The arrangement of the convex strip 8, the groove 7 and the through hole saves copper material, reduces the cost, effectively increases the surface area, reduces the skin effect, and improves the heat dissipation performance.

Embodiment 2

[0021] Such as figure 1 As shown, it is improved on the basis of Example 1. The surface of its copper bar body 1 is electroplated with a metal silver layer 3, and a permanent interatomic bond is achieved between two different metal materials, and the copper layer is evenly distributed, without Existence of any physical defects. It increases the wear resistance, improves the conductivity, reduces the resistance, and strengthens the working performance of the copper bar.

Embodiment 3

[0023] Such as figure 1 , figure 2 As shown, it is improved on the basis of Example 1, and it is provided with a connecting point 4 on the copper busbar body 1, so that the copper busbar itself has good mechanical properties, good tensile strength, and can be bent and extended. Easy to install, suitable for installation requirements of various occasions.

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PUM

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Abstract

The invention discloses a bendable transformer copper bar. Three raised strips are arranged at intervals along the lengthwise direction on the bottom of a copper bar body. Two grooves are formed between the three raised strips to form a copper bar body with an M-shaped profile. The raised strips and the grooves are of the same width. A plurality of through holes arranged in a straight line are formed in the surface of the copper bar body. The surface area is increased, copper is saved, and the heat dissipation performance is improved. The copper bar body is provided with connection points, andthe surface is plated with a metallic silver layer. The copper bar body is provided a trapezoidal body from each connection point. The copper bar can be used in narrow space, and the installation time can be shortened. The sides of each trapezoidal body are right-angle trapezoids. The end connection points of the copper bar body are the lower bases of the right-angle trapezoids. The vertical waists of the right-angle trapezoids are flush with the lower edges of the raised strips. The raised strips and the grooves on the bottom of the copper bar body extend to the trapezoidal bodies, to form an M-shaped profile structure. The grooves enlarge the installation space for the construction personnel, and the raised strips facilitate installation and positioning, so that the copper bar is convenient to install.

Description

technical field [0001] The invention relates to the technical field of electrical copper bars in electrical equipment components, in particular to a novel bendable transformer copper bar. Background technique [0002] Copper bars for electricians are conductor materials for installation of medium and low voltage switch cabinets, switchboards, circuit breakers, transformers, railways, wind power, nuclear power and hydroelectric generators, and high-speed electrified railway catenary. Because the conductivity of copper is better than that of aluminum, copper bars are widely used in electrical equipment, especially complete sets of power distribution devices. Generally, copper bars are used. Copper bars are a high-current conductive product, suitable for high and low voltage electrical appliances, switches Contacts, power distribution equipment, busway and other electrical appliances are also widely used in metal smelting, telephone electroplating, chemical caustic soda and oth...

Claims

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Application Information

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IPC IPC(8): H01F27/29
Inventor 谷约飞
Owner 谷约飞