10KV miniaturized vacuum circuit breaker

Abstract

The invention discloses a 10KV miniaturized vacuum circuit breaker, which belongs to the technical field of circuit breaker design, and specifically comprises an insulating component with insulating and transparent performance, two cavities are arranged side by side in the insulating component, the two cavities are respectively a left cavity and a right cavity, a vacuum arc-extinguishing chamber is arranged in the left cavity, an insulating lead screw is rotatably arranged in the right cavity, a sliding conductive cylinder matched with the insulating lead screw is slidably arranged on the insulating lead screw, four tulip contacts are arranged on the insulating lead screw, and the upper one of the two tulip contacts in the middle is connected with a static end of the vacuum arc-extinguishing chamber through a static end conductive piece. The lower one of the two tulip contacts in the middle is connected with a moving end conductive assembly of the vacuum arc-extinguishing chamber through a wire outlet conductive piece, the lower end of the wire outlet conductive piece extends out of the bottom of the insulating component, and the lower end of the insulating lead screw is provided with a bevel gear and an operation main shaft. According to the invention, the structure miniaturization can be realized, and the visual visualization of the state of the vacuum circuit breaker can be realized.

Description

technical field [0001] The invention relates to the technical field of circuit breaker design, in particular to a 10KV miniaturized vacuum circuit breaker. Background technique [0002] With the continuous improvement of power users' requirements for miniaturization, integration, safety and reliability of power supply equipment, commonly used miniaturized SF6 unit cabinets or inflatable cabinets have become very common. Traditional high-voltage vacuum circuit breakers are large in size and difficult to miniaturize; although SF6 unit cabinets or gas-filled cabinets can be miniaturized, the requirements for gas sealing of switchgear are too high. Once the gas leaks, it will cause environmental pollution, and gas decomposition will cause Harmful gas is produced, which endangers personal safety. [0003] Therefore, a new and miniaturized vacuum circuit breaker structure is required. Contents of the invention [0004] In view of this, the present invention provides a 10KV min...

AI Technical Summary

Problems solved by technology

Traditional high-voltage vacuum circuit breakers are large in size and difficult to miniaturize; although SF6 unit cabinets or gas-filled cabinets can be miniaturized, the requirements for gas sealing of switchgear are too high. Once the gas leaks, it will cause environmental pollution, and gas decomposition will cause Produce harmful gas, endanger personal safety

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