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US 2022/0176774 A1Published application
Thermal Management System for Automobile and Thermal Management Method Based on Same
AssigneeHuawei Technologies Co., Ltd.
InventorsWeier Tang, Haomang Hu, Liguan Lin
Life of this patent
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Abstract
A thermal management system includes a refrigerant loop system that includes a compressor, a refrigerant four-way reversing valve, a plate heat exchanger, a throttle valve, another plate heat exchanger, and a gas-liquid separator, to form a refrigerant loop, and a motor liquid cooling loop system includes a motor liquid cooling loop that circulates coolant through a motor, and a pipe in the motor liquid cooling loop is connected to a liquid cooling channel in the plate heat exchanger to exchange heat with the refrigerant loop system using the plate heat exchanger.
Claims20
A system, comprising:
- a refrigerant loop system comprising:
- a compressor comprising an inlet and outlet;
- a refrigerant four-way reversing valve comprising:
- a first end coupled to the outlet using a pipe;
- a second end;
- a third end;
- and
- a fourth end;
- and
- a first plate heat exchanger comprising a first liquid cooling channel and first refrigerant channel, wherein the first refrigerant channel comprises:
- a fifth end coupled to the second end;
- and
- a sixth end;
- a throttle valve comprising:
- a seventh end coupled to the sixth end;
- and
- an eighth end;
- a second plate heat exchanger comprising a second liquid cooling channel and a second refrigerant channel, wherein the second refrigerant channel comprises:
- a ninth end coupled to the seventh end;
- and
- a tenth end coupled to the third end;
- and
- a gas-liquid separator comprising:
- an eleventh end coupled to the fourth end;
- and
- a twelfth end coupled to the inlet;
- a motor liquid cooling loop system comprising a motor liquid cooling loop configured to circulate coolant through a motor, wherein first pipes in the motor liquid cooling loop are respectively connected to a thirteen end and a fourteen end of the first liquid cooling channel, and wherein the motor liquid cooling loop system and the refrigerant loop system are configured to exchange heat using the first plate heat exchanger;
- and
- an air conditioner liquid cooling loop system comprising an air conditioner liquid cooling loop configured to circulate the coolant through a heating, ventilation, and air conditioning (HVAC) device, and comprising second pipes that are respectively connected to a fifteen end and a sixteen end of the second liquid cooling channel,
- wherein the air conditioner liquid cooling loop system and the refrigerant loop system are configured to exchange the heat using the second plate heat exchanger.
27 more elements
A system comprising:
- a refrigerant loop system comprising compressor, a first plate heat exchanger comprising a first liquid cooling channel, a first throttle valve, a second plate heat exchanger comprising a second liquid cooling channel, a second throttle valve, an air conditioner evaporator, and a gas-liquid separator, wherein the compressor, the first plate heat exchanger, the first throttle valve, the second plate heat exchanger, the second throttle valve, the air conditioner evaporator, and the gas-liquid separator are serially connected to form a first refrigerant loop;
- a motor liquid cooling loop system comprising a motor liquid cooling loop configured to circulate coolant through a motor, wherein first pipes in the motor liquid cooling loop are respectively connected to a first end and a second end of the second liquid cooling channel, and wherein the motor liquid cooling loop system and the refrigerant loop system are configured to exchange heat using the second plate heat exchanger;
- and
- a warm-air liquid cooling loop system comprising a warm-air liquid cooling loop configured to circulate the coolant through a heater core, and comprising second pipes that are respectively connected to a third end and a fourth end of the first liquid cooling channel,
- wherein the warm-air liquid cooling loop system and the refrigerant loop system are configured to exchange the heat using the first plate heat exchanger.
2 more elements
A method implemented by a controller of a thermal management system, wherein the method comprises:
- obtaining a sensor signal and a thermal management request;
- generating a control signal based on the sensor signal and the thermal management request;
- and
- sending the control signal to a drive board,
- wherein the control signal instructs the drive board to drive a plurality of components in the thermal management system, and
- wherein the drive board comprises a drive system of each of the components.
3 more elements
Dependencies are inferred from the claim text.