Quick exhaust valve test device and test method for air bag type pantograph

The invention relates to a quick exhaust valve test device and method for an air bag type pantograph. The device comprises an air inlet pipeline, an air detection pipeline, an air exhaust pipeline anda PLC, one end of the air inlet pipeline is used for connecting an air source, and the other end is used for connecting the air inlet of a quick exhaust valve; an air inlet electromagnetic valve, anair filter, a pressure regulating valve, an air inlet pressure sensor and an air storage tank are sequentially arranged on the air inlet pipeline; the air detection pipeline is used for being connected with the air detection port of the quick exhaust valve, an air detection port pressure sensor and an air detection electromagnetic valve are sequentially arranged on the air detection pipeline, andan air flowmeter is arranged on the air exhaust pipeline; and the PLC is in circuit connection with the air inlet electromagnetic valve, the pressure regulating valve, the air inlet pressure sensor, the air detection electromag