Vehicle temperature management system
A vehicle temperature management system includes a refrigerant circulation system including a compressor, a first heat exchanger, a depressurization apparatus, a heat exchange plate, a four-way valve, and a second heat exchanger that is configured to heat a first refrigerant that flows to an input port when a management object needs to be cooled through the heat exchange plate, and cool the first refrigerant that flows to the heat exchange plate when the management object needs to be heated through the heat exchange plate.
1 . A vehicle temperature management system comprising:
a compressor comprising:
an input port; and
an output port,
wherein the compressor is configured to:
compress a first refrigerant, wherein the first refrigerant is input from the input port; and
output the compressed first refrigerant from the output port;
a first temperature sensor coupled to the compressor and configured to detect a first temperature of the first refrigerant from the input port to the compressor;
a first heat exchanger comprising a first interface and a second interface for ingress and egress of the first refrigerant, wherein the first heat exchanger is configured to cool the first refrigerant input to the first heat exchanger;
a depressurization apparatus coupled to the first heat exchanger and the first temperature sensor and comprising a third interface and a fourth interface for ingress and egress of the first refrigerant, wherein the third interface is coupled to the second interface, and wherein the depressurization apparatus is configured to depressurize, based on the first temperature, the first refrigerant in the depressurization apparatus;
a heat exchange plate coupled to the depressurization apparatus and comprising:
a plurality of flow channels; and
a fifth interface and a sixth interface for ingress and egress of the first refrigerant, wherein the fifth interface is coupled to the fourth interface, wherein the heat exchange plate is coupled to a surface of a battery of the vehicle temperature management system, and wherein the heat exchange plate is configured to exchange heat between the first refrigerant and the battery;
a second heat exchanger comprising:
a seventh interface and an eighth interface for ingress and egress of the first refrigerant, wherein the eighth interface is coupled to the first interface;
a ninth interface and a tenth interface for ingress and egress of the first refrigerant, wherein the ninth interface is coupled to the sixth interface;
a first portion of a first pipe; and
a second portion of a second pipe,
wherein a distance between the first portion and the second portion is less than or equal to a first threshold;
a four-way valve coupled to the compressor and the second heat exchanger, wherein the four-way valve comprises:
a first port coupled to the tenth interface;
a second port coupled to the output port;
a third port directly coupled to the seventh interface; and
a fourth port coupled to the input port,
wherein the first port is further coupled to the sixth interface through the first pipe, wherein the third port is further coupled to the first interface through the second pipe,
wherein a first thermal conductivity of a first material of the first portion is higher than a second thermal conductivity of a portion of the first pipe other than the first portion,
wherein a third thermal conductivity of a second material of the second portion is higher than a fourth thermal conductivity of a portion of the second pipe other than the second portion,
wherein, in a cooling mode, the first port is further coupled to the fourth port and the second port is further coupled to the third port for cooling the battery through the heat exchange plate,
wherein, in a heating mode, the first port is further coupled to the second port and the fourth port is further coupled to the third port for heating the battery through the heat exchange plate, and
wherein the second heat exchanger is configured to:
heat the first refrigerant that flows from the sixth interface to the input port in the cooling mode; and
cool the first refrigerant that flows from the output port to the sixth interface in the heating mode.
2 . The vehicle temperature management system of claim 1 , wherein the second heat exchanger is a counter-flow heat exchanger.
3 . A cooling system comprising:
a first heat exchanger;
a first pipe;
a compressor comprising a compressor output and configured to:
receive a first refrigerant; and
compress and output the first refrigerant;
a first temperature sensor coupled to the compressor and configured to detect a first temperature of the first refrigerant that is input to the compressor;
a second heat exchanger directly coupled to the compressor through a second pipe and configured to receive and cool the first refrigerant from the compressor, wherein the second heat exchanger comprises:
a first portion of the first pipe, wherein a first thermal conductivity of a first material of the first portion is higher than a second thermal conductivity of a portion of the first pipe other than the first portion; and
a second portion of the second pipe, wherein a third thermal conductivity of a second material of the second portion is higher than a fourth thermal conductivity of a portion of the second pipe other than the second portion,
wherein a distance between the first portion and the second portion is less than or equal to a first threshold,
wherein the first heat exchanger is coupled to the second heat exchanger and configured to receive the first refrigerant from the second heat exchanger;
a depressurization apparatus coupled to the first temperature sensor and the first heat exchanger and configured to:
obtain the first temperature from the first temperature sensor; and
depressurize, based on the first temperature, the first refrigerant from the first heat exchanger until the first temperature falls within a first temperature range;
a cooling plate comprising a plurality of flow channels, wherein the cooling plate is coupled to the depressurization apparatus, coupled to the second heat exchanger through the first pipe, and coupled to a surface of a battery of the cooling system, wherein the cooling plate is configured to enable the first refrigerant from the depressurization apparatus to exchange heat with the battery, and
wherein the second heat exchanger is configured to:
enable a first portion of the first pipe to exchange heat with a second portion of the second pipe;
heat the first refrigerant from the cooling plate; and
output the first refrigerant to the compressor.
4 . The cooling system of claim 3 , wherein the second heat exchanger comprises a heat release source comprising the first refrigerant from the compressor.
5 . The cooling system of claim 3 , wherein the second heat exchanger is further configured to enable the first refrigerant from the compressor to exchange heat with the first refrigerant output from the cooling plate.
6 . The cooling system of claim 3 , wherein the second heat exchanger is a counter-flow heat exchanger.