Gas-insulated switch cabinet, switch cabinet gas box and heat transfer system of gas box

Abstract

The invention provides a gas-insulated switch cabinet, a switch cabinet gas box and a heat transfer system of the gas box. The switch cabinet gas box comprises a heat pipe, wherein one end of the heat pipe is used for absorbing heat to form a hot end, a heat absorber is arranged at the hot end of the heat pipe, the heat absorber is close to an electrical component while the heat absorber is maintained a corresponding insulation distance with the electrical component so as to absorb heat generated by the electrical component to the greatest extent, the other end of the heat pipe is fixed on one side of a sealing plate so as to transfer the heat to the sealing plate to form a cold end, a heat dissipation device is arranged at the other end of the sealing plate, the cold end of the heat pipe and the heat dissipation device are correspondingly arranged at two sides of the sealing plate, and the gas box also comprises a fixing structure used for fixing the position of the cold end of the heat pipe. With the gas-insulated switch cabinet, the gas box thereof and the heat transfer system, provided by the invention, the heat generated by the electrical component can be rapidly transferred out of a box body.

Description

technical field [0001] The invention relates to a gas insulated switch cabinet, a switch cabinet gas box and a heat transfer system for the gas box. Background technique [0002] Compared with air-insulated switchgear, gas-insulated switchgear has the advantages of small footprint, good insulation performance, good sealing performance, high reliability, maintenance-free, and not affected by the environment, and has gradually been accepted by users in recent years. However, compared with the air-insulated switchgear of the same level, the primary circuit of the gas-insulated switchgear is sealed in the airtight air box, and the heat in the air box can only be dissipated to the air outside the air box through the wall of the air box. Compared with the direct natural convection heat dissipation method of the heating element of the air-insulated switchgear, its heat dissipation effect is far different. As a result, the temperature rise of the primary main circuit components in ...

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Problems solved by technology

[0003] In view of the above heat dissipation problems, similar products at home and abroad generally adopt the scheme of installing radiators on the inner surface and the outer surface of the air box wall to dissipate heat. Quickly and effectively absorb the heat of electrical components in the air box. This cooling solution has disadvantages such as low cooling efficiency and heavy overall quality.

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