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Power cabinet

A technology for power cabinets and cabinets, applied in the cooling/ventilation directions of substations/switchgears, can solve problems such as poor heat dissipation of electrical components, avoid poor heat dissipation, accelerate the speed of convective heat transfer, and solve poor heat dissipation. Effect

Active Publication Date: 2018-04-17
STATE GRID CORP OF CHINA +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a power cabinet, which aims to solve the problem of poor heat dissipation of electrical components caused by the natural air-cooled heat dissipation method of the existing cabinet body

Method used

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Embodiment Construction

[0025] The embodiment of power cabinet among the present invention: as Figure 1 to Figure 8 As shown, the power cabinet is a high-voltage electrical cabinet, which includes a cabinet body and a fan 2 assembled on it. The cabinet body is composed of a main cabinet body 1 and a pressure relief cover plate. There are three pressure relief cover plates from left to The right side is divided into left pressure relief cover plate 11, middle pressure relief cover plate 12 and right pressure relief cover plate 13 in turn, left pressure relief cover plate 11, middle pressure relief cover plate 12 and right pressure relief cover plate 13 are all subjected to explosion The safety bolts that can be pulled off at any time are fixed on the top of the main cabinet body 1, and are buckled on the pressure relief port opened on the top of the main cabinet body 1, and on the left pressure relief cover plate 11, the middle pressure relief cover plate 12 and the right pressure relief The heat dis...

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Abstract

The invention discloses an electric cabinet. The cabinet body is provided with a fan detachably fixed outside the cabinet through a threaded fastening structure and a ventilation hole connecting the air outlet of the fan and the space in the cabinet. The threaded fastening structure includes fixing nuts, fan The bolt through holes corresponding to the internal thread holes of the nuts and the fastening bolts matched with the fixed nuts are opened on the top, so that the forced air cooling of the electrical components in the cabinet can be realized through the fan, and the convection exchange of hot and cold air in the internal and external spaces of the cabinet can be accelerated. The speed of heat also enables the various electrical components in the cabinet to be fully dissipated, avoiding the problem of poor local heat dissipation in the cabinet, thus solving the electrical problems caused by the natural air cooling of the cabinet in the prior art. The problem of poor heat dissipation of components.

Description

technical field [0001] The invention relates to an electric cabinet. Background technique [0002] At present, the natural air cooling method is usually used for heat dissipation on the power cabinet, that is, waist-shaped cooling holes are provided on the cabinet body of the power cabinet, so that the high-temperature air and low-temperature air in the internal and external spaces of the cabinet can convect and play a role in cooling. The effect of air cooling and heat dissipation of electrical components in the cabinet. For example, a central cabinet disclosed in Chinese patent document CN202217939U includes a cabinet body, which is provided with a circuit breaker room, a cable room, a main bus room and an instrument room separated by partitions, and the cabinet body is equipped with a The cabinet doors corresponding to the circuit breaker room, cable room, main bus room and instrument room. Located on the rear side of the middle and upper part of the cabinet, an isolati...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02B1/56
Inventor 张桂如王皓翔杜永平高颖旭张香芍王华伦王军强
Owner STATE GRID CORP OF CHINA
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