SF6 high-voltage circuit breaker with leakage detection function and leakage repair function

Abstract

The invention discloses an SF6 high-voltage circuit breaker with a leakage detection function and a leakage repair function. The SF6 high-voltage circuit breaker comprises an SF6 high-voltage circuit breaker main body, an air chamber installed outside the SF6 high-voltage circuit breaker main body, an intelligent leakage repair system and an adhesive supply system, wherein the intelligent leakage repair system is used for detecting SF6 leakage and controlling adhesive repair. According to the SF6 high-voltage circuit breaker with the leakage detection function and leakage repair function provided by the invention, whether leakage occurs in an SF6 arc blowing charmer is monitored through an infrared gas sensitive sensor; electric signals are fed back to the intelligent leakage repair system; a sealant suction pump is driven through a control circuit, so that a sealant can enter the gas chamber through the adhesive supply system, and therefore, a sealant layer can be formed at the outer wall of the SF6 arc blowing charmer of the circuit breaker, and a leakage opening can be plugged; a whole leakage repair process is fully automated, and the efficiency of the working of a power worker in the leakage plugging of the SF6 high-voltage circuit breaker can be effectively improved, and a traditional processing method is improved. Compared with a traditional power SF6 high-voltage circuit breaker leakage plugging mode, the leakage plugging mode of the invention has a lot of advantages.

Description

technical field [0001] The invention relates to a leakage detection technology and a repair control technology of an SF6 circuit breaker, and is an SF6 high-voltage circuit breaker with functions of leakage detection and leakage repair. Background technique [0002] Sulfur hexafluoride (SF6) high-voltage circuit breakers are important electrical equipment in power plants and substations, and are responsible for the dual tasks of control and protection in power systems. Due to poor manufacturing, welding and installation processes, such as sand holes, welds, cracks and other defects, in the long-term operation, SF6 gas leakage inside the electric SF6 high-voltage circuit breaker will be caused. At present, the problem of gas leakage of SF6 circuit breakers cannot be fundamentally solved. The gas leakage will not only reduce the insulation strength of high-voltage circuit breakers, but also cause air pollution. In general, SF6 leakage is found through regular inspections, so ...

AI Technical Summary

Problems solved by technology

This repair method is complex, time-consuming, and costly. The efficiency of SF6 high-voltage circuit breaker plugging is low, and it may endanger the health of maintenance personnel.

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