High-low voltage switch device with protection performance

Abstract

The invention relates to the field of electrical cabinet equipment, and discloses a high-low voltage switch device with protection performance, which is used for installing an electrical cabinet shell of electrical equipment, and is characterized in that a single cabinet and telescopic plates at two ends of the single cabinet form an installation cavity with variable volume and used for installing high-low voltage components; contracting air bags used for driving the telescopic plates to move are further arranged in the multiple installation cavities, and a pneumatic assembly capable of spraying dry powder into the multiple single cabinets is further installed on the installation frame. By shrinking the mounting cavity, dangerous case expansion caused by factors such as heat conduction is avoided, meanwhile, when the telescopic plate moves to the maximum degree, the heat dissipation holes are exactly completely shielded, the sealing performance of the mounting cavity is further ensured when an emergency occurs, dangerous case expansion is strictly controlled, open fire is isolated through covering of dry powder, and air is exhausted, so that the service life of the device is prolonged. The fire phenomenon in the single cabinet is avoided, further protection operation of the electrical cabinet is realized, and the use safety of the electrical cabinet is fully ensured.

Description

technical field [0001] The invention relates to the field of electrical cabinet equipment, in particular to a high and low voltage switchgear with protection performance. Background technique [0002] The electrical cabinet is a cabinet made of steel to protect the normal operation of components. The materials for making electrical cabinets are generally divided into two types: hot-rolled steel plates and cold-rolled steel plates. Compared with hot-rolled steel sheets, cold-rolled steel sheets are softer and more suitable for the production of electrical cabinets. Electrical cabinets are widely used mainly in chemical industry, environmental protection industry, power system, metallurgical system, industry, nuclear power industry, fire safety monitoring, transportation industry and so on. [0003] In some technologies, a Chinese patent document with the publication number CN111478218B proposes a non-diffusion independent insulated drawer-type low-voltage switchgear, which ...

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Problems solved by technology

[0005] Aiming at the deficiencies of the prior art, the present invention provides a high-voltage and low-voltage switchgear with protective performance, which has the advantages of high safety, etc., and solves the problem of mutual influence between individual cabinets caused by failures in the electrical cabinets in the prior art. series of questions

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