High-precision synchronous control device for pulse wind tunnel jet flow interference test

The invention belongs to the technical field of hypersonic pulse wind tunnel tests, and discloses a high-precision synchronous control device for a jet interference test of a pulse wind tunnel. A jet flow system gas storage pipe of the synchronous control device is a Loudwig pipe; the quick electromagnetic valve is connected to the downstream end of the jet flow system gas storage pipe; the test model is connected with an outlet of the quick electromagnetic valve; the sensor is installed at the low-pressure section of the pulse wind tunnel close to the high-low-pressure section diaphragm. An input interface of the delay trigger is connected with the sensor; an input interface of the signal generator is connected with an output interface of the delay trigger; an input interface of the quick relay is connected with an output interface of the signal generator, and the quick relay is conducted after receiving an output signal of the signal generator; the conventional power supply is connected with the quick elect