Vehicle refrigerator

A vehicle refrigerator, comprising

• a body removable in a trunk of a vehicle,
• a refrigerating system arranged in the body for cooling an inner cavity of the body, and
• a driving system for driving the refrigerating system to operate normally,
• wherein the driving system comprises an air source, and an igniter connected with the air source;
• wherein the refrigerating system is provided with a working medium capable of changing in gas and liquid;
• wherein the refrigerating system comprises a generator, a condenser, an evaporator, a heat exchanger and an absorber;
• the generator, the condenser, the evaporator and the absorber are sequentially communicated to form a refrigerating loop;
• the heat exchanger is respectively communicated with the generator, the evaporator and the absorber;
• and the igniter is used for heating the working medium in the generator;
• and
• wherein an electromagnetic valve is provided between the igniter and the air source;
• the electromagnetic valve is electrically connected with a piezoresistive sensor and a second power supply;
• the piezoresistive sensor keeps normally closed;
• and the electromagnetic valve keeps an access in an energized state.