Liquid rocket engine fault detection and test integrated system, detection method and related equipment

The invention discloses a liquid rocket engine fault detection and test integrated system, a detection method and related equipment, and relates to the field of rocket engine testing, the system comprises an engine equipment unit, the engine equipment unit comprises a fault detection processing computer, a fault detection processing lithium battery and a cable network, the fault detecting and processing computer and the fault detecting and processing lithium battery are installed on a liquid rocket engine rack, the fault detecting and processing lithium battery is only used for supplying power to the fault detecting and processing computer, and the cable network is used for internal connection of the liquid rocket engine fault detecting and testing integrated system and connection with an external system. The ground measurement and control equipment unit comprises a front-end equipment part and a rear-end equipment part, and the front-end equipment part and the rear-end equipment part are in communication con