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Switch cabinet cooling structure

A technology of heat dissipation structure and switchgear, applied in the field of switchgear, can solve problems such as the drop of flashover voltage along the surface, and achieve the effect of good heat dissipation, reliable operation and high reliability.

Inactive Publication Date: 2017-12-15
浙江上美输配电有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, when condensation occurs on the surface of the medium, the flashover voltage along the surface will drop significantly

Method used

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  • Switch cabinet cooling structure
  • Switch cabinet cooling structure
  • Switch cabinet cooling structure

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Embodiment Construction

[0021] The preferred embodiments of the present invention will be described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described here are only used to illustrate and explain the present invention, and are not intended to limit the present invention.

[0022] Such as figure 1 , figure 2 , image 3 As shown, a switch cabinet heat dissipation structure includes a switch cabinet body 1, a circuit breaker room 2 and a busbar room 3 are arranged in the switch cabinet body 1, and a front upper door 4, a front middle door 5 and a front door 5 are arranged in front of the cabinet body 1. Lower door 6, rear upper door 7 and rear lower door 8 are provided with the cabinet body 1 back.

[0023] A circuit breaker room air channel 9 is provided in the circuit breaker room 2 , an air supply device 10 is provided below the circuit breaker room 2 , and an air exhaust device 11 is respectively provided on the top of the circuit...

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Abstract

The invention discloses a switch cabinet cooling structure including a switch cabinet body, a circuit breaker chamber and a bus chamber are arranged in the cabinet body, the cooling is forced by the combination of air feeding and exhausting, a temperature sensor is arranged at the middle-upper part of the circuit breaker chamber, the bottom of the circuit breaker chamber is provided with a heater, a humidity sensor is arranged at the middle-upper part of the bus chamber, the bottom of the bus chamber is provided with a heater, and the temperature sensor, the humidity sensor, the heaters, a cross-flow fan, and an axial-flow fan are electrically connected with a center controller. The switch cabinet cooling structure is good in cooling effect and high in reliability, can control the detected environment in the required temperature and humidity range, and guarantees the equipment to reliably run.

Description

technical field [0001] The invention relates to the field of switch cabinets, in particular to a heat dissipation structure of a switch cabinet. Background technique [0002] The typical structure of the high-voltage switchgear is composed of a busbar room, a circuit breaker room, an instrument room, and a down-conductor room; in order to meet the requirements of the protection level IP2X, it is basically designed with a metal fully enclosed shell; while the protection level is high, it will There is poor heat dissipation and high temperature. At present, the high-voltage switchgear adopts fans for forced convection cooling, which is an effective cooling measure for switchgears; forced convection cooling includes two methods: "air supply" and "extraction". If only the form of "drawing air" is used for forced air cooling, since the cabinet body is basically a fully enclosed shell, the outside air can only enter from the gaps in the cabinet body, resulting in poor air intake....

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02B1/56H02B13/025
CPCH02B1/565H02B13/025
Inventor 李秀英
Owner 浙江上美输配电有限公司