A vacuum circuit breaker withstand voltage detection device

Abstract

The invention belongs to the field of vacuum circuit breaker withstand voltage detection devices, and in particular relates to a vacuum circuit breaker withstand voltage detection device, which includes an insulating tank for containing insulating liquid for immersion of the vacuum circuit breaker to be tested, and a supporting conductive plate is arranged in the insulating tank , used to support and conduct conduction cooperation with the lead-out part of the static end of the vacuum circuit breaker to be tested; the external electric part is conductively connected with the support conductive plate, and is used to introduce an external voltage and then energize the lead-out part of the lead-out end of the vacuum circuit breaker to be tested. Adding insulating fluid into the insulating tank can simulate the sealed air chamber in the medium-voltage inflatable cabinet, avoiding the contact between the supporting conductive plate and the static end lead-out part of the vacuum circuit breaker to be tested and the outside air, and connecting the high-voltage power supply to the external electrical parts, which is convenient High voltage can be applied to the lead-out part of the static end of the vacuum circuit breaker to be tested for withstand voltage testing. The entire withstand voltage testing process does not need to install the vacuum circuit breaker in the corresponding medium-voltage inflatable cabinet, and the vacuum circuit breaker can be easily and conveniently realized. pressure detection.

Description

technical field [0001] The invention belongs to the field of pressure-resistant detection devices for vacuum circuit breakers, and in particular relates to a pressure-resistant detection device for vacuum circuit breakers. Background technique [0002] The vacuum circuit breaker is the core component in the medium-voltage inflatable cabinet. For example, a vacuum circuit breaker and a medium-voltage inflatable cabinet disclosed in a Chinese invention patent with the authorized announcement number CN103050327B and the authorized announcement date on January 13, 2016. The vacuum circuit breaker The device includes an operating mechanism, an insulating cylinder, an arc extinguishing chamber, and an insulating pull rod. The insulating cylinder is provided with a first outgoing line connector and a second outgoing line connector, and the first outgoing line connector is connected to the static contact of the arc extinguishing chamber. Correspondingly, the medium-voltage inflatabl...

AI Technical Summary

Problems solved by technology

After the air box is sealed and inflated, the vacuum circuit breaker needs to be tested for withstand voltage. If the test fails, the air box needs to be disassembled to take out the vacuum circuit breaker for inspection and repair. There is a problem of secondary rework, which is time-consuming and laborious. May cause damage to important components

Images