Device for collecting integrity data of hydrogen system after collision test

The invention relates to a device for acquiring integrity data of a hydrogen system after a collision test, and relates to the technical field of electronic measurement data acquisition, the device comprises a temperature and pressure sensor used for acquiring temperature monitoring data and air pressure monitoring data of a hydrogen storage container; the gas concentration sensor is used for obtaining gas concentration data; the trigger module is used for issuing a trigger signal comprising time information; and the MCU is used for receiving the temperature monitoring data, the air pressure monitoring data, the gas concentration data and the trigger signal, and integrating and calculating to obtain vehicle hydrogen system integrity data. The system integrates temperature, pressure and gas concentration acquisition functions, and is matched with data transmission and data storage, so that the collision test requirements of the fuel cell electric vehicle are met, and the safety of data acquisition personnel is