Thermal management device for vehicle

A thermal management system for a vehicle, comprising:

• a heating refrigerant circulation circuit in which a heating refrigerant circulates, the heating refrigerant circulation circuit configured for the heating refrigerant to absorb exhaust heat of an in-vehicle device that generates heat during operation;
• a heat pump cycle configured for a cycle refrigerant to absorb heat from the heating refrigerant and to heat a fluid to be heat exchanged by using the absorbed heat from the heating refrigerant as a heating source;
• and
• a heat-discharge refrigerant circulation circuit configured for a heat-discharge refrigerant to absorb heat from the heating refrigerant, and configured to dissipate the absorbed heat from the heating refrigerant to an outside air, wherein
• the heating refrigerant circulation circuit includes a heating circulation section in which the heating refrigerant having heat-absorbed from the exhaust heat flows;
• the heat pump cycle includes a recovery circulation section in which the cycle refrigerant flows,
• the heat-discharge refrigerant circulation circuit includes a heat-discharge circulation section in which the heat-discharge refrigerant flows,
• the heating circulation section, the recovery circulation section, and the heat-discharge circulation section are integrally configured as a combined heat exchanger that is capable of performing heat transfers at least between the cycle refrigerant and the heating refrigerant and between the heat-discharge refrigerant and the heating refrigerant, and
• the heating refrigerant, the cycle refrigerant and the heat-discharge refrigerant are heat mediums each of which has a phase change during the heat transfer.