To attain both of a function for obtaining high cooling performance by using a heat pump and a function for obtaining high electric power consumption performance through exhaust heat recovery in a vehicular cooling system for cooling a plurality of heating elements.SOLUTION: A vehicular heat management system includes: a first cooling circuit 4 cooling a first heating element 1; a second cooling circuit 8 for cooling a second heating element 5; a third cooling circuit 12 for cooling a third heating element 9; a first heat exchanger 13 exchanging heat between the third cooling circuit 12 and the first cooling circuit 4; and a second heat exchanger 14 exchanging heat between the third cooling circuit 12 and the second cooling circuit 8. The third cooling circuit 12 includes: a compressor 11 compressing a refrigerant; an expander 10 expanding the refrigerant; and a path switching mechanism for switching a refrigerant circulation path. The vehicular heat management system further includes: a refrigerant driving body 16 for circulating the refrigerant in the third cooling circuit 12; and a main controller 50 controlling the path switching mechanism.SELECTED DRAWING: Figure 1
【課題】複数の発熱体を冷却する車両用冷却システムにおいて、ヒートポンプを用いて高い冷却性能を得る機能、及び排熱回収による高い電費性能の機能を両立させる。【解決手段】第1発熱体1を冷却する第1冷却回路4と、第2発熱体5を冷却する第2冷却回路8と、第3発熱体9を冷却する第3冷却回路12と、第3冷却回路12と第1冷却回路4との間で熱交換を行う第1熱交換器13と、第3冷却回路12と第2冷却回路8との間で熱交換を行う第2熱交換器14とを備え、第3冷却回路12が、冷媒を圧縮する圧縮器11と、冷媒を膨張させる膨張器10と、冷媒の循環経路を切り換える経路切換機構とを備え、第3冷却回路12の冷媒を循環駆動する冷媒駆動体16と、経路切換機構を制御する主制御器50とを備えた車両用熱管理システム。【選択図】図1
VEHICULAR HEAT MANAGEMENT SYSTEM
車両用熱管理システム
2023-07-28
Patent
Elektronische Ressource
Japanisch
IPC: | F25B Kältemaschinen, Kälteanlagen oder Kälteverfahren , REFRIGERATION MACHINES, PLANTS, OR SYSTEMS / B60H ARRANGEMENTS OR ADAPTATIONS OF HEATING, COOLING, VENTILATING, OR OTHER AIR-TREATING DEVICES SPECIALLY FOR PASSENGER OR GOODS SPACES OF VEHICLES , Anordnung oder Einbau der Heizung, Kühlung, Lüftung oder anderer Luftbehandlungsvorrichtungen für die Fahrzeugräume für Reisende oder Fracht |
Europäisches Patentamt | 2020
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