A device and method for measuring the pressure of the inner contact finger in the movable contact of high-voltage switchgear

Abstract

The invention discloses a device and a method for measuring pressure of an inner contact finger in a moving contact of high-voltage switchgear. The device comprises a device body, a pressure sensor module, a signal modulating module, a main control module and an upper computer communication module, wherein the pressure sensor module is embedded in the device body to measure vertical pressure of a banding spring on the contact finger when the contact finger of the moving contact of the high-voltage switchgear is opened to be inserted by the device body; the signal modulating module is connected with the pressure sensor module and modulates and processes an electric signal generated by the pressure sensor module; the main control module is arranged between the signal modulating module and the pressure sensor module, receives the electric signal processed by the signal modulating module and transmits the electric signal to an upper computer through the upper computer communication module; and the upper computer communication module is in communication connection with the upper computer to receive a command of the upper computer. Compared with the prior art, the device has the effects of conveniently and timely detecting the pressure and the like.

Description

technical field [0001] The invention relates to the detection field of a moving contact of a high-voltage switchgear, and more specifically relates to a device and a method for measuring the pressure of an inner contact finger in a moving contact of a high-voltage switchgear. Background technique [0002] High-voltage switchgear in power plants and substations is one of the key components to ensure the safe and reliable operation of power transmission and distribution systems. The normal operation of high-voltage switchgear is related to the stability of the power system, so it is particularly important to ensure the reliable operation of high-voltage switchgear. According to statistics, a considerable part of the causes of power system accidents are related to thermal problems. [0003] During the long-term operation of the switchgear, the contact pressure of the moving and static contacts of the switchgear is an important parameter affecting its current-carrying performan...

AI Technical Summary

Problems solved by technology

[0007] The first purpose of the present invention is to provide a device for measuring the pressure of the inner contact finger in the movable contact of high-voltage switchgear to solve the problem that the prior art cannot accurately measure the pressure of the inner contact finger in the movable contact in real time

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