Liquid hydrogen refrigerating system and fuel cell vehicle

The utility model provides a liquid hydrogen refrigeration system and a fuel cell vehicle, the system comprises: a controller, a liquid hydrogen storage device and an evaporation assembly, the liquid hydrogen storage device is connected with the evaporation assembly, and the liquid hydrogen storage device and the evaporation assembly are both electrically connected with the controller; the liquid hydrogen storage equipment is used for storing liquid hydrogen and outputting the liquid hydrogen outwards based on the control of the controller; the controller is used for outputting the liquid hydrogen stored in the liquid hydrogen storage equipment to the evaporation assembly in response to the refrigeration request; and the evaporation assembly is used for generating a liquid hydrogen evaporation phase change reaction so as to refrigerate the target equipment or the target passenger cabin space through the phase change reaction. According to the utility model, the controller is used for controlling the liquid hy