Hybrid vehicle integrated thermal management system with six-way valve
By designing an integrated thermal management system with a six-way valve, the thermal management systems of the engine, battery, motor, and air conditioning are integrated together, solving the problems of complex piping and high cost caused by independent systems in the existing technology. This simplifies the system and reduces costs, while improving the energy utilization efficiency and safety of the entire vehicle.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SHANGHAI XIWEI TECHNOLOGY CO LTD
- Filing Date
- 2025-07-25
- Publication Date
- 2026-07-17
Smart Images

Figure CN224510810U_ABST
Abstract
Claims
1. A hybrid vehicle integrated thermal management system with a six-way valve, comprising an indoor refrigeration cycle circuit (1), a compressor (9), an indoor evaporator (10), a gas-liquid separator (11), characterized by, It also includes battery motor cooling circulation pipe (2), heat pump circulation pipe (3), warm air circulation pipe (4), battery circulation pipe (5), motor electronic control circulation pipe (6), heat dissipation circulation pipe (7), six-way valve (8), first heat exchanger (12), outdoor condenser (13), second heat exchanger (14), indoor warm air core (15), battery (16), heater (17), motor (18), controller (19), radiator (20), fourth three-way valve (21), first expansion valve (22), second expansion valve (23), first three-way valve (24), first circulation pump (25), second circulation pump (26), third circulation pump (27), second three-way valve (28), engine (29), third three-way valve (30), engine radiator (31), engine water pump (32), engine circulation pipe (33), first connecting pipe (34), second connecting pipe (35); The compressor (9), the fourth three-way valve (21), the first heat exchanger (12), the first expansion valve (22), the indoor evaporator (10), and the gas-liquid separator (11) are connected in series in the indoor refrigeration circulation pipeline (1). The second expansion valve (23) and the second heat exchanger (14) are connected in series in the battery motor cooling circulation pipeline (2). The outdoor condenser (13) is connected in series in the heat pump circulation pipeline (3). The indoor refrigeration system between the inlet of the battery motor cooling circulation pipeline (2) and the first heat exchanger (12) and the first expansion valve (22) is... The cold circulation pipeline (1) is connected, and the outlet of the battery motor cooling circulation pipeline (2) is connected to the indoor refrigeration circulation pipeline (1) between the indoor evaporator (10) and the gas-liquid separator (11); the two ports of the fourth three-way valve (21) are connected to the indoor refrigeration circulation pipeline (1) respectively, the inlet of the heat pump circulation pipeline (3) is connected to the third port of the fourth three-way valve (21), and the outlet of the heat pump circulation pipeline (3) is connected to the indoor refrigeration circulation pipeline (1) between the first heat exchanger (12) and the first expansion valve (22); The first circulating pump (25), the first heat exchanger (12), the indoor heating core (15), and the six-way valve (8) are connected in series in the heating circulation pipeline (4). The second circulating pump (26), the six-way valve (8), the second heat exchanger (14), the second three-way valve (28), the battery (16), and the heater (17) are connected in series in the battery circulation pipeline (5). The third circulating pump (27), the first three-way valve (24), the six-way valve (8), the motor (18), and the controller (19) are connected in series in the motor control circulation pipeline (6). The radiator (20) is connected in series in the heat dissipation circulation pipeline. (7) In the middle; the two ports of the first three-way valve (24) are connected to the motor control circulation pipeline (6) respectively, the third port of the first three-way valve (24) is connected to the inlet of the heat dissipation circulation pipeline (7), the outlet of the heat dissipation circulation pipeline (7) is connected to the motor control circulation pipeline (6) between the six-way valve (8) and the first three-way valve (24); the two ports of the six-way valve (8) are connected to the warm air circulation pipeline (4), the other two ports of the six-way valve (8) are connected to the battery circulation pipeline (5), and the other two ports of the six-way valve (8) are connected to the motor control circulation pipeline (6); The engine (29), the third three-way valve (30), the engine radiator (31), and the engine water pump (32) are connected in series in the engine circulation pipeline (33). The two ports of the second three-way valve (28) are connected to the battery circulation pipeline (5) respectively. The third port of the second three-way valve (28) is connected to one port of the first connecting pipe (34). The other port of the first connecting pipe (34) is connected to the engine circulation pipeline (33) between the engine radiator (31) and the engine water pump (32). The two ports of the third three-way valve (30) are connected to the engine circulation pipeline (33) respectively. The third port of the third three-way valve (30) is connected to one port of the second connecting pipe (35). The other port of the second connecting pipe (35) is connected to the battery circulation pipeline (5) between the second three-way valve (28) and the battery (16).
2. The hybrid vehicle integrated thermal management system with six-way valve according to claim 1, characterized by The heater (17) is a PTC heater, and the first heat exchanger (12) and the second heat exchanger (14) are both dual-channel plate heat exchangers.
3. The hybrid vehicle integrated thermal management system with six-way valve according to claim 1, characterized in that The first three-way valve (24), the second three-way valve (28), the third three-way valve (30), and the fourth three-way valve (21) are all two-position three-way valves.
4. The hybrid vehicle integrated thermal management system with six-way valve according to claim 1, characterized in that Both the first expansion valve (22) and the second expansion valve (23) are electronic expansion valves.
5. The hybrid vehicle integrated thermal management system with six-way valve according to claim 1, characterized in that The motor (18) is a drive motor, and the controller (19) is a motor controller.