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Copper bus electric heating device and use method thereof

A heating device and busbar electricity technology, which is applied in auxiliary devices, metal processing equipment, auxiliary welding equipment, etc., can solve problems such as low construction efficiency and damage to insulating sleeves, so as to improve construction efficiency, uniform and stable heating temperature, and achieve Precise control and consistent effects

Active Publication Date: 2017-01-18
POWERCHINA SEPCO1 ELECTRIC POWER CONSTR CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In order to solve the above problems, the present invention provides an electric heating device for copper busbars and a method for using the device. The device avoids the problems of low construction efficiency and easy damage to the insulating sleeve in the traditional electric heating method. The heating is uniform, and the production and use are simple and convenient.

Method used

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  • Copper bus electric heating device and use method thereof
  • Copper bus electric heating device and use method thereof
  • Copper bus electric heating device and use method thereof

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Embodiment Construction

[0019] The present invention will be further explained below in conjunction with the accompanying drawings.

[0020] An electric heating device for copper busbars, comprising two clamping boxes 1 provided with concave cavities, thermal insulation cotton 2, electric heating sheet 4 and several clamping boxes for closely fitting the two clamping boxes 1 The thickness of the insulation cotton 2 is uniformly fixed in the cavity of the clamping box 1, and the electric heating sheet 4 is fixed on the outside of the insulation cotton 2 to heat the copper busbar.

[0021] In the above-mentioned copper busbar electric heating device, the thickness of the thermal insulation cotton 2 is 35-60mm.

[0022] For the electric heating device for the copper busbar, the clamping box 1 is a thin iron sheet with a thickness not greater than 1 mm; At least two groups of binding iron wires 3 are wound and fixed in the cavity of the clamping box 1 .

[0023] The method for using the above-mentioned...

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Abstract

The invention belongs to the technical field of welding and relates to a copper bus electric heating device and a use method. The invention relates to a copper bus electric heating device, which comprises two clamping boxes, heat-insulating cotton, electric heating sheets, and several clamping pieces for making two clamping cases close and fit together, which are arranged in sequence. The thickness of the heat-insulating cotton is uniformly fixed in the cavity of the clamping box, and the electric heating sheet is fixed on the outside of the heat-insulating cotton for contacting with the copper bus for heating. In that device, the problem that the traditional electric heat method is low in construction efficiency and easy to cause damage to the insulation sleeve is avoided, the heat is uniform, and it is easy to make and use.

Description

technical field [0001] The invention relates to a copper busbar electric heating device and a method for using the device, and belongs to the field of welding technology. Background technique [0002] Copper busbar is a conductor that transmits high current. Due to the high thermal conductivity of copper, which is about 8 times higher than that of ordinary steel, the heat dissipation is rapid during the welding process, and the base metal is difficult to melt and not easy to fuse with the weld metal, resulting in easy welding. In case of quality defects such as lack of fusion, porosity, welding deformation, and cracks, measures such as preheating and increasing the power of the welding heat source must be adopted to ensure the quality of the weld. Preheating methods are generally flame heating and electric heating. [0003] The electric heating method, that is, using electric heating sheets for heating, using thermal insulation cotton to keep warm, and using thermocouples ...

Claims

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Application Information

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IPC IPC(8): B23K37/00B23K103/12
CPCB23K37/00B23K2103/12
Inventor 杜传国侯彦斌程文俊苗慧霞李海
Owner POWERCHINA SEPCO1 ELECTRIC POWER CONSTR CO LTD
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