Gas leakage monitoring device and monitoring method for hydrogen energy storage container

The invention relates to the technical field of hydrogen energy storage containers, and discloses a gas leakage monitoring device for a hydrogen energy storage container, which comprises a hydrogen energy storage container body and a gas inlet pipeline arranged on one side of the hydrogen energy storage container body in a communicating manner, and a monitoring assembly is arranged on the gas inlet pipeline. The monitoring assembly comprises a sealing sleeve fixedly installed on the side wall of the hydrogen energy storage container body and a sealing cover arranged on one side of the sealing sleeve, the sealing sleeve is connected to the gas inlet pipeline in a sleeving mode, a display assembly is arranged on the sealing sleeve, and hydrogen is conveyed into the hydrogen energy storage container body through the gas inlet pipeline. Under the cooperation of the sealing cover, the sealing sleeve, the gas inlet pipeline, the hydrogen energy storage container body, the small pipeline and the indicating rod, the