US-20260124884-A1 - THERMAL MANAGEMENT SYSTEM AND VEHICLE

Abstract

A thermal management system and a vehicle. The thermal management system comprises a refrigerant circuit. The refrigerant circuit comprises a refrigeration circuit. The refrigeration circuit comprises a compressor, a first water-cooled heat exchanger, an outdoor heat exchanger and an indoor heat exchange assembly. An outlet of the compressor is connected to an inlet of the first water-cooled heat exchanger, an outlet of the first water-cooled heat exchanger is connected to an inlet of the outdoor heat exchanger, and an outlet of the outdoor heat exchanger is connected to the indoor heat exchange assembly. The indoor heat exchange assembly is connected to an inlet of the compressor, so as to output a refrigerant to the compressor.

Inventors

• Xingdong LIAO
• Songyong XIA
• Jian Wang
• Ligang Sun
• Xiaodong Xing

Assignees

• Zhejiang Zeekr Intelligent Technology Co., Ltd.
• ZHEJIANG GEELY HOLDING GROUP CO., LTD.

Dates

Publication Date

20260507

Application Date

20251231

Priority Date

20230703

Claims (20)

1. 1 . A thermal management system, comprising a refrigerant circuit; wherein the refrigerant circuit comprises a cooling circuit; the cooling circuit comprises a compressor, a first water-cooling heat exchanger, an outdoor heat exchanger, and an indoor heat exchange assembly; an outlet of the compressor is connected to an inlet of the first water-cooling heat exchanger; an outlet of the first water-cooling heat exchanger is connected to an inlet of the outdoor heat exchanger; an outlet of the outdoor heat exchanger is connected to the indoor heat exchange assembly; and the indoor heat exchange assembly is connected to an inlet of the compressor to output refrigerant to the compressor.
2. 2 . The thermal management system according to claim 1 , wherein the indoor heat exchange assembly comprises a first indoor heat exchanger and a second water-cooling heat exchanger; the outlet of the outdoor heat exchanger is connected to a first port of the first indoor heat exchanger and an inlet of the second water-cooling heat exchanger; a second port of the first indoor heat exchanger and an outlet of the second water-cooling heat exchanger are connected to the inlet of the compressor; the refrigerant circuit comprises a heating circuit and a switching assembly; the compressor, the first water-cooling heat exchanger, the switching assembly, the first indoor heat exchanger, and the second water-cooling heat exchanger are sequentially connected to form the heating circuit; the outlet of the compressor is connected to the inlet of the first water-cooling heat exchanger, the outlet of the first water-cooling heat exchanger is connected to the second port of the first indoor heat exchanger, the first port of the first indoor heat exchanger is connected to the inlet of the second water-cooling heat exchanger, and the outlet of the second water-cooling heat exchanger is connected to the inlet of the compressor; and the outlet of the first water-cooling heat exchanger, the inlet of the outdoor heat exchanger, and the second port of the first indoor heat exchanger are connected to the switching assembly.
3. 3 . The thermal management system according to claim 2 , further comprising a first sub coolant circuit, a second sub coolant circuit, and a multi-way valve, wherein coolant in the first sub coolant circuit passes through the second water-cooling heat exchanger; the second sub coolant circuit comprises a battery assembly; and the first sub coolant circuit and the second sub coolant circuit are both connected to the multi-way valve, to enable the first sub coolant circuit and the second sub coolant circuit to be connected or disconnected by the multi-way valve.
4. 4 . The thermal management system according to claim 2 , further comprising a third sub coolant circuit, a fourth sub coolant circuit, and a multi-way valve, wherein the third sub coolant circuit comprises a radiator; the fourth sub coolant circuit comprises an electrical assembly; and the third sub coolant circuit and the fourth sub coolant circuit are both connected to the multi-way valve, to enable the third sub coolant circuit and the fourth sub coolant circuit to be connected or disconnected by the multi-way valve.
5. 5 . The thermal management system according to claim 4 , further comprising a fifth sub coolant circuit, wherein coolant in the fifth sub coolant circuit passes through the first water-cooling heat exchanger; and the fifth sub coolant circuit is connected to the multi-way valve, and the multi-way valve enables the fifth sub coolant circuit to be connected or disconnected with the third sub coolant circuit.
6. 6 . The thermal management system according to claim 4 , further comprising a first sub coolant circuit, wherein coolant in the first sub coolant circuit passes through the second water-cooling heat exchanger; and the first sub coolant circuit is connected to the multi-way valve, to enable the first sub coolant circuit to be selectively connected to at least one of the third sub coolant circuit or the fourth sub coolant circuit by the multi-way valve.
7. 7 . The thermal management system according to claim 2 , wherein the indoor heat exchange assembly comprises a second indoor heat exchanger; the outlet of the outdoor heat exchanger is connected to an inlet of the second indoor heat exchanger; an outlet of the second indoor heat exchanger is connected to the inlet of the compressor; and the first indoor heat exchanger is configured for heat exchange with air in a driver cabin of a vehicle, and the second indoor heat exchanger is configured for heat exchange with air in a passenger cabin of the vehicle.
8. 8 . The thermal management system according to claim 7 , wherein the indoor heat exchange assembly comprises a first fan and an air heater, and the first fan, the second indoor heat exchanger, and the air heater are arranged side by side.
9. 9 . The thermal management system according to claim 7 , wherein the indoor heat exchange assembly comprises a sixth control valve, the outlet of the outdoor heat exchanger is connected to one end of the sixth control valve, and another end of the sixth control valve is connected to the inlet of the second indoor heat exchanger; and when the sixth control valve is opened, the cooling circuit is formed in which the compressor, the first water-cooling heat exchanger, the outdoor heat exchanger, and the second indoor heat exchanger are sequentially connected.
10. 10 . The thermal management system according to claim 2 , further comprising a fifth sub coolant circuit, wherein the fifth sub coolant circuit comprises a heater core, and coolant in the fifth sub coolant circuit passes through the first water-cooling heat exchanger; the indoor heat exchange assembly comprises a second fan; and the second fan, the first indoor heat exchanger, and the heater core are arranged side by side.
11. 11 . The thermal management system according to claim 10 , wherein the fifth sub coolant circuit comprises a three-way valve, a coolant main circuit, and a coolant branch circuit; coolant in the coolant main circuit passes through the first water-cooling heat exchanger; the coolant branch circuit comprises the heater core; an inlet of the three-way valve and a first outlet of the three-way valve are connected to the main coolant circuit, a second outlet of the three-way valve is connected to the coolant branch circuit, and the inlet of the three-way valve is connected to one of the first outlet of the three-way valve or the second outlet of the three-way valve; and the fifth sub coolant circuit comprises a coolant heater for heating the coolant in the fifth sub coolant circuit.
12. 12 . The thermal management system according to claim 2 , wherein the indoor heat exchange assembly comprises a third control valve, the second port of the first indoor heat exchanger is connected to one end of the third control valve, and another end of the third control valve is connected to the inlet of the compressor; when the thermal management system is in a cooling mode, the third control valve is opened to form the cooling circuit; and when the thermal management system is in a heating mode, the third control valve is closed to form the heating circuit.
13. 13 . The thermal management system according to claim 2 , wherein the switching assembly comprises a fourth control valve and a fifth control valve; the outlet of the first water-cooling heat exchanger is connected to one end of the fourth control valve, and another end of the fourth control valve is connected to the inlet of the outdoor heat exchanger; when the fourth control valve is opened, the cooling circuit is formed in which the compressor, the first water-cooling heat exchanger, the outdoor heat exchanger, and the indoor heat exchange assembly are sequentially connected; the outlet of the first water-cooling heat exchanger is further connected to one end of the fifth control valve, and another end of the fifth control valve is connected to the second port of the first indoor heat exchanger; and when the fifth control valve is opened, the heating circuit is formed in which the compressor, the first water-cooling heat exchanger, the first indoor heat exchanger, and the second water-cooling heat exchanger are sequentially connected.
14. 14 . The thermal management system according to claim 2 , wherein the switching assembly comprises a switching valve, and the outlet of the first water-cooling heat exchanger, the inlet of the outdoor heat exchanger, and the second port of the first indoor heat exchanger are connected to the switching valve; and by controlling switching of the switching valve, the outlet of the first water-cooling heat exchanger is enabled to be connected to one of the inlet of the outdoor heat exchanger or the second port of the first indoor heat exchanger.
15. 15 . The thermal management system according to claim 5 , further comprising a first sub coolant circuit, wherein coolant in the first sub coolant circuit passes through the second water-cooling heat exchanger; and the first sub coolant circuit is connected to the multi-way valve, to enable the first sub coolant circuit to be selectively connected to at least one of the third sub coolant circuit or the fourth sub coolant circuit by the multi-way valve.
16. 16 . A vehicle comprising a thermal management system comprising a refrigerant circuit; wherein the refrigerant circuit comprises a cooling circuit; the cooling circuit comprises a compressor, a first water-cooling heat exchanger, an outdoor heat exchanger, and an indoor heat exchange assembly; an outlet of the compressor is connected to an inlet of the first water-cooling heat exchanger; an outlet of the first water-cooling heat exchanger is connected to an inlet of the outdoor heat exchanger; an outlet of the outdoor heat exchanger is connected to the indoor heat exchange assembly; and the indoor heat exchange assembly is connected to an inlet of the compressor to output refrigerant to the compressor.
17. 17 . The vehicle according to claim 16 , wherein the indoor heat exchange assembly comprises a first indoor heat exchanger and a second water-cooling heat exchanger; the outlet of the outdoor heat exchanger is connected to a first port of the first indoor heat exchanger and an inlet of the second water-cooling heat exchanger; and a second port of the first indoor heat exchanger and an outlet of the second water-cooling heat exchanger are connected to the inlet of the compressor.
18. 18 . The vehicle according to claim 17 , wherein the refrigerant circuit comprises a heating circuit and a switching assembly; the compressor, the first water-cooling heat exchanger, the switching assembly, the first indoor heat exchanger, and the second water-cooling heat exchanger are sequentially connected to form the heating circuit; the outlet of the compressor is connected to the inlet of the first water-cooling heat exchanger, the outlet of the first water-cooling heat exchanger is connected to the second port of the first indoor heat exchanger, the first port of the first indoor heat exchanger is connected to the inlet of the second water-cooling heat exchanger, and the outlet of the second water-cooling heat exchanger is connected to the inlet of the compressor; and the outlet of the first water-cooling heat exchanger, the inlet of the outdoor heat exchanger, and the second port of the first indoor heat exchanger are connected to the switching assembly.
19. 19 . The vehicle according to claim 17 , further comprising a first sub coolant circuit, a second sub coolant circuit, and a multi-way valve, wherein coolant in the first sub coolant circuit passes through the second water-cooling heat exchanger; the second sub coolant circuit comprises a battery assembly; and the first sub coolant circuit and the second sub coolant circuit are both connected to the multi-way valve, to enable the first sub coolant circuit and the second sub coolant circuit to be connected or disconnected by the multi-way valve.
20. 20 . The vehicle according to claim 16 , further comprising a third sub coolant circuit, a fourth sub coolant circuit, and a multi-way valve, wherein the third sub coolant circuit comprises a radiator; the fourth sub coolant circuit comprises an electrical assembly; and the third sub coolant circuit and the fourth sub coolant circuit are both connected to the multi-way valve, to enable the third sub coolant circuit and the fourth sub coolant circuit to be connected or disconnected by the multi-way valve.

Description

CROSS REFERENCE TO RELATED APPLICATIONS This application is a continuation of International Application No. PCT/CN2024/094244, filed on May 20, 2024, which claims the benefit of priority to the Chinese Application No. 202310809208.7, filed on Jul. 3, 2023, both of which are incorporated herein by reference in their entireties. TECHNICAL FIELD The embodiments of the present disclosure relate to but are not limited to the field of thermal management technology, and particularly relate to but are not limited to thermal management systems and vehicles. BACKGROUND With the gradual development of technology, new energy vehicles have gradually come into people's vision. New energy vehicles use unconventional fuels as their power source. New energy vehicles usually have functions such as car cooling and heating. SUMMARY The following is a summary of the subject matters described in detail in the present disclosure. This summary is not intended to limit the protection scope of the claims. The present disclosure provides a thermal management system including a refrigerant circuit; where the refrigerant circuit includes a cooling circuit; the cooling circuit includes a compressor, a first water-cooling heat exchanger, an outdoor heat exchanger, and an indoor heat exchange assembly; where an outlet of the compressor is connected to an inlet of the first water-cooling heat exchanger, an outlet of the first water-cooling heat exchanger is connected to an inlet of the outdoor heat exchanger, an outlet of the outdoor heat exchanger is connected to the indoor heat exchange assembly, and the indoor heat exchange assembly is connected to an inlet of the compressor to output refrigerant to the compressor. In some embodiments, the indoor heat exchange assembly includes a first indoor heat exchanger and a second water-cooling heat exchanger; the outlet of the outdoor heat exchanger is connected to a first port of the first indoor heat exchanger and an inlet of the second water-cooling heat exchanger; a second port of the first indoor heat exchanger and an outlet of the second water-cooling heat exchanger are connected to the inlet of the compressor; the refrigerant circuit includes a heating circuit and a switching assembly; the compressor, the first water-cooling heat exchanger, the switching assembly, the first indoor heat exchanger, and the second water-cooling heat exchanger are sequentially connected to form the heating circuit; the outlet of the compressor is connected to the inlet of the first water-cooling heat exchanger, the outlet of the first water-cooling heat exchanger is connected to the second port of the first indoor heat exchanger, the first port of the first indoor heat exchanger is connected to the inlet of the second water-cooling heat exchanger, and the outlet of the second water-cooling heat exchanger is connected to the inlet of the compressor; and the outlet of the first water-cooling heat exchanger, the inlet of the outdoor heat exchanger, and the second port of the first indoor heat exchanger are connected to the switching assembly. In some embodiments, the thermal management system further includes a first sub coolant circuit, a second sub coolant circuit, and a multi-way valve, where coolant in the first sub coolant circuit passes through the second water-cooling heat exchanger; the second sub coolant circuit includes a battery assembly, the first sub coolant circuit and the second sub coolant circuit are both connected to the multi-way valve, to enable the first sub coolant circuit and the second sub coolant circuit to be connected or disconnected by the multi-way valve. In some embodiments, the thermal management system further includes a third sub coolant circuit, a fourth sub coolant circuit, and a multi-way valve, where the third sub coolant circuit includes a radiator, the fourth sub coolant circuit includes an electrical assembly, the third sub coolant circuit and the fourth sub coolant circuit are both connected to the multi-way valve, to enable the third sub coolant circuit and the fourth sub coolant circuit to be connected or disconnected by the multi-way valve. In some embodiments, the thermal management system further includes a fifth sub coolant circuit, where coolant in the fifth sub coolant circuit passes through the first water-cooling heat exchanger; the fifth sub coolant circuit is connected to the multi-way valve, and the multi-way valve enables the fifth sub coolant circuit to be connected or disconnected with the third sub coolant circuit; and/or the thermal management system further includes a first sub coolant circuit, where coolant in the first sub coolant circuit passes through the second water-cooling heat exchanger; the first sub coolant circuit is connected to the multi-way valve, to enable the first sub coolant circuit to be selectively connected to at least one of the third sub coolant circuit or the fourth sub coolant circuit by the multi-way valve. In some embodiments,