Multifunctional gas discharging and plasma electric arc detecting device and method

The invention relates to a multifunctional gas discharging and plasma electric arc detecting device and method. The multifunctional gas discharging and plasma electric arc detecting device comprises a multifunctional gas discharging unit and a plasma electric arc detecting unit. The multifunctional gas discharging unit comprises a sealing chamber, a test electrode, a heating electrode, a gas charge, discharge and recycling device, an electromagnetic field generator and an electric arc air-blowing module. The plasma electric arc detecting unit comprises a sensor module, a signal conversion module, a central processing unit and an upper computer. By means of the multifunctional gas discharging and plasma electric arc detecting method, gas discharging experiments can be conducted under different experiment condition such as vacuum and pressuring, a kind of gas or mixed gas of various gas, electrodes of different shapes discharging, the normal temperature, the high temperature and different temperatures, static g