Thermal management system and terminal device

Abstract

The present disclosure relates to a heat management system and a terminal device, wherein the heat management system comprises a first heat exchanger, a second heat exchanger and a compressor, an exhaust port of the compressor is adapted to be connected with a first opening of the first heat exchanger, and the exhaust port of the compressor is also adapted to be connected with a first opening of the second heat exchanger, so that the heat exchange medium discharged through the exhaust port of the compressor can be heat exchanged through the first heat exchanger and the second heat exchanger. The heat management system of the present disclosure is because the exhaust port of the compressor can be connected with the first opening of the first heat exchanger or the first opening of the second heat exchanger, so that the gaseous heat exchange medium discharged through the exhaust port of the compressor can be heat exchanged through the first heat exchanger or the second heat exchanger, thereby being conducive to reducing the temperature of the heat exchange medium for heat exchange with the battery, and further being conducive to improving the heat dissipation effect on the battery.

Description

TECHNICAL FIELD

[0001] The present disclosure relates to the technical field of thermal management systems, in particular, to a thermal management system and a terminal device using the same. BACKGROUND

[0002] The battery of an electric vehicle generates heat during operation. In order to keep the battery at a proper temperature, the battery needs to be cooled in time. How to improve the cooling effect of the battery is a research direction in the field. SUMMARY

[0003] The purpose of the present disclosure is to provide a thermal management system and a terminal device to at least partially solve the technical problems existing in the related art.

[0004] In order to achieve the above-mentioned purpose, according to a first aspect of the present disclosure, a thermal management system is provided, the thermal management system comprising:

[0005] a first heat exchanger;

[0006] a second heat exchanger;

[0007] a compressor, an exhaust port of the compressor being adapted to be connected to a first opening of the first heat exchanger, and the exhaust port of the compressor being adapted to be connected to a first opening of the second heat exchanger, so that the heat exchange medium discharged through the exhaust port of the compressor can be heat exchanged through the first heat exchanger and the second heat exchanger.

[0008] Optionally, the thermal management system further comprises a first expansion valve and a battery heat exchanger, the battery heat exchanger being used for heat exchange with a battery, a first opening of the battery heat exchanger being adapted to be connected to a second opening of the first heat exchanger and a second opening of the second heat exchanger through the first expansion valve respectively, and a second opening of the battery heat exchanger being adapted to be connected to a suction port of the compressor.

[0009] Optionally, the first heat exchanger is an outdoor heat exchanger, and / or the second heat exchanger is an outdoor heat exchanger.

[0010] Optionally, the exhaust port of the compressor comprises a first exhaust port and a second exhaust port, an exhaust pressure of the first exhaust port being less than an exhaust pressure of the second exhaust port.

[0011] The first exhaust port is adapted to be connected to the first opening of the first heat exchanger, and the second exhaust port is adapted to be connected to the first opening of the second heat exchanger.

[0012] Optionally, the thermal management system has a battery cooling mode, in which the first exhaust port is in communication with the first opening of the first heat exchanger, the second exhaust port is in communication with the first opening of the second heat exchanger, the second openings of the first and second heat exchangers are in communication with the first expansion valve, the first expansion valve is in communication with the first opening of the battery heat exchanger, and the second opening of the battery heat exchanger is in communication with the suction port of the compressor.

[0013] Optionally, the thermal management system further comprises a second expansion valve and a first indoor heat exchanger.

[0014] The first heat exchanger is an outdoor heat exchanger, the second opening of the first heat exchanger is adapted to be selectively in communication with or cut off from the second expansion valve, the second expansion valve is adapted to be connected to the first opening of the first indoor heat exchanger, and the second opening of the first indoor heat exchanger is adapted to be selectively in communication with or cut off from the suction port.

[0015] Optionally, the thermal management system has an indoor cooling mode or an outdoor heat exchanger defrosting mode, in which the first exhaust port is in communication with the first opening of the first heat exchanger, the second opening of the first heat exchanger is in communication with the second expansion valve, the second expansion valve is in communication with the first opening of the first indoor heat exchanger, and the second opening of the first indoor heat exchanger is in communication with the suction port.

[0016] Optionally, the thermal management system further comprises a third expansion valve and a second indoor heat exchanger.

[0017] The second heat exchanger is an outdoor heat exchanger, the second opening of the second heat exchanger is adapted to be selectively in communication with or cut off from the third expansion valve, the third expansion valve is adapted to be connected to the first opening of the second indoor heat exchanger, and the second opening of the second indoor heat exchanger is adapted to be selectively in communication with or cut off from the suction port.

[0018] Optionally, the thermal management system has an indoor cooling mode or an outdoor heat exchanger defrosting mode, in which the second exhaust port is in communication with the first opening of the second heat exchanger, the second opening of the second heat exchanger is in communication with the third expansion valve, the third expansion valve is in communication with the first opening of the second indoor heat exchanger, and the second opening of the second indoor heat exchanger is in communication with the suction port.

[0019] Optionally, the first exhaust port is adapted to be selectively in communication with or cut off from the second opening of the second indoor heat exchanger, and the first exhaust port is further adapted to be selectively in communication with or cut off from the first opening of the first heat exchanger.

[0020] The suction port is further adapted to be selectively communicated with or blocked from the first opening of the second heat exchanger.

[0021] Optionally, the thermal management system has an indoor heating mode, in which the second exhaust port is blocked from the first opening of the second heat exchanger, the second exhaust port is communicated with the second opening of the first indoor heat exchanger, the first opening of the first indoor heat exchanger is communicated with the second expansion valve, the second expansion valve is communicated with the second opening of the first heat exchanger, and the first opening of the first heat exchanger is communicated with the suction port.

[0022] Optionally, the second exhaust port is further adapted to be selectively communicated with or blocked from the second opening of the battery heat exchanger.

[0023] The suction port is adapted to be selectively communicated with or blocked from the first opening of the first heat exchanger.

[0024] Optionally, the thermal management system has an indoor heating mode, in which the second exhaust port is blocked from the first opening of the second heat exchanger, the second exhaust port is communicated with the second opening of the first indoor heat exchanger, the first opening of the first indoor heat exchanger is communicated with the second expansion valve, the second expansion valve is communicated with the second opening of the first heat exchanger, and the first opening of the first heat exchanger is communicated with the suction port.

[0025] Optionally, the second exhaust port is further adapted to be selectively communicated with or blocked from the second opening of the battery heat exchanger.

[0026] Optionally, the thermal management system has a battery preheating mode, in which the second exhaust port is communicated with the second opening of the battery heat exchanger, the first opening of the battery heat exchanger is communicated with the first expansion valve, the first expansion valve is communicated with the second opening of the first heat exchanger, and the first opening of the first heat exchanger is communicated with the suction port.

[0027] Optionally, the thermal management system further comprises a multi-way valve A, a first port of the multi-way valve A is adapted to be connected with the second exhaust port, a second port of the multi-way valve A is adapted to be connected with the second opening of the first indoor heat exchanger, and a third port of the multi-way valve A is adapted to be connected with the second opening of the battery heat exchanger.

[0028] Optionally, the first exhaust port is further adapted to be selectively communicated with or blocked from the second opening of the first indoor heat exchanger, and the first exhaust port is further adapted to be selectively communicated with or blocked from the first opening of the first heat exchanger.

[0029] The second exhaust port is further adapted to selectively communicate with or shut off the second opening of the first indoor heat exchanger, and the second exhaust port is further adapted to selectively communicate with or shut off the first opening of the second heat exchanger.

[0030] The second expansion valve is further adapted to selectively communicate with or shut off the first opening of the second indoor heat exchanger, and the second expansion valve is further adapted to selectively communicate with or shut off the first opening of the battery heat exchanger through the first expansion valve.

[0031] Optionally, the thermal management system has an indoor dehumidification mode, in which the first exhaust port shuts off the first opening of the first heat exchanger, the second exhaust port shuts off the first opening of the second heat exchanger, and the first exhaust port communicates with the suction port.

[0032] The first exhaust port and the second exhaust port both communicate with the second opening of the first indoor heat exchanger, the first opening of the first indoor heat exchanger communicates with the second expansion valve, the second expansion valve communicates with the first opening of the second indoor heat exchanger, and the second opening of the second indoor heat exchanger communicates with the suction port.

[0033] Optionally, the thermal management system further comprises a multi-way valve B and a multi-way valve C, the first opening of the first indoor heat exchanger is connected to a first port of the multi-way valve B through the second expansion valve, a second port of the multi-way valve B is connected to the second opening of the first heat exchanger, a third port of the multi-way valve B is connected to a first port of the multi-way valve C, a second port of the multi-way valve C is connected to the first opening of the battery heat exchanger through the first expansion valve, and a third port of the multi-way valve C is connected to the first opening of the second indoor heat exchanger.

[0034] Optionally, the first exhaust port is further adapted to selectively communicate with or shut off the suction port.

[0035] The second exhaust port is further adapted to selectively communicate with or shut off the second opening of the first indoor heat exchanger, and the second exhaust port is further adapted to selectively communicate with or shut off the first opening of the second heat exchanger.

[0036] The second expansion valve is further adapted to selectively communicate with or shut off the first opening of the second indoor heat exchanger, and the second expansion valve is further adapted to selectively communicate with or shut off the first opening of the battery heat exchanger through the first expansion valve.

[0037] Optionally, the thermal management system has an indoor dehumidification + battery cooling mode, in which the first exhaust port shuts off the first opening of the first heat exchanger, the first exhaust port communicates with the suction port, and the second exhaust port shuts off the first opening of the second heat exchanger.

[0038] The second exhaust port is cut off from the first opening of the second heat exchanger, the second exhaust port is communicated with the second opening of the first indoor heat exchanger, the first opening of the first indoor heat exchanger is communicated with the second expansion valve, the second expansion valve is communicated with the first opening of the second indoor heat exchanger, and the second opening of the second indoor heat exchanger is communicated with the suction port.

[0039] The second expansion valve is also communicated with the first expansion valve, the first expansion valve is communicated with the first opening of the battery heat exchanger, and the first opening of the battery heat exchanger is communicated with the suction port.

[0040] Optionally, the thermal management system further comprises a first fan, and air blown by the first fan is capable of sequentially passing through the first heat exchanger and the second heat exchanger.

[0041] Optionally, the battery heat exchanger is a direct-cooling and direct-heating heat exchanger.

[0042] Optionally, the thermal management system further comprises a second fan, and air blown by the second fan is capable of sequentially passing through the second indoor heat exchanger and the first indoor heat exchanger.

[0043] Optionally, the thermal management system further comprises a gas-liquid separator.

[0044] Optionally, the compressor is a single-suction double-row compressor, and the gas-liquid separator is arranged upstream of the suction port of the single-suction double-row compressor.

[0045] Optionally, the thermal management system further comprises a motor electronic control unit and a third heat exchanger.

[0046] The heat exchange medium flowing out of the first opening of the first indoor heat exchanger and passing through the second expansion valve is adapted to exchange heat with the motor electronic control unit through the third heat exchanger.

[0047] Optionally, the motor electronic control unit further comprises a water pump, a motor electronic control module and a fourth heat exchanger.

[0048] The motor electronic control unit comprises a first cooling liquid flow path, a second cooling liquid flow path and a third cooling liquid flow path.

[0049] A first end of the first cooling liquid flow path is selectively connected with a first end of the second cooling liquid flow path or a first end of the third cooling liquid flow path, and a second end of the first cooling liquid flow path is selectively connected with a second end of the second cooling liquid flow path or a second end of the third cooling liquid flow path.

[0050] The water pump and the motor electronic control module are connected in series on the first cooling liquid flow path, the fourth heat exchanger is arranged on the second cooling liquid flow path, and the third heat exchanger is arranged on the third cooling liquid flow path.

[0051] Optionally, the thermal management system further comprises a third fan, and the third fan is configured to blow air to the fourth heat exchanger.

[0052] Optionally, the thermal management system further comprises a first fan, and the first fan is configured to blow air to the first heat exchanger, the second heat exchanger and the fourth heat exchanger in sequence.

[0053] According to a second aspect of the present disclosure, a terminal device is provided, comprising the above-mentioned thermal management system.

[0054] According to the above technical solution, since the exhaust port of the compressor can be connected with the first opening of the first heat exchanger or the first opening of the second heat exchanger, the gaseous heat exchange medium discharged from the exhaust port of the compressor can be exchanged by the first heat exchanger or the second heat exchanger, thereby facilitating the reduction of the temperature of the heat exchange medium for heat exchange with the battery, and further facilitating the improvement of the heat dissipation effect on the battery.

[0055] Other features and advantages of the present disclosure will be described in detail in the following detailed description. BRIEF DESCRIPTION OF DRAWINGS

[0056] The accompanying drawings are included to provide a further understanding of the present disclosure and constitute a part of the specification, and are used together with the following detailed description to explain the present disclosure, but do not constitute a limitation on the present disclosure. In the drawings:

[0057] Figure 1 is a flow path diagram of a thermal management system provided by an embodiment of the present disclosure, wherein the thermal management system is in a battery heat dissipation + motor electronic control module heat dissipation mode, and the arrows in the figure represent the flow paths and flow directions of the heat exchange medium and the cooling liquid in this mode;

[0058] Figure 2 is a flow path diagram of a thermal management system provided by an embodiment of the present disclosure, wherein the thermal management system is in a vehicle interior refrigeration + battery heat dissipation + motor electronic control heat dissipation mode, and the arrows in the figure represent the flow paths and flow directions of the heat exchange medium and the cooling liquid in this mode;

[0059] Figure 3 is a flow path diagram of a thermal management system provided by an embodiment of the present disclosure, wherein the thermal management system is in a vehicle interior heating + battery waste heat recovery + motor electronic control waste heat recovery mode, and the arrows in the figure represent the flow paths and flow directions of the heat exchange medium and the cooling liquid in this mode;

[0060] Figure 4 is a flow path diagram of a heat management system according to an embodiment of the present disclosure, wherein the heat management system is in a vehicle interior heating + battery preheating mode, and arrows in the diagram represent flow paths and flow directions of a heat exchange medium and a coolant in the mode;

[0061] Figure 5 is a flow path diagram of a heat management system according to an embodiment of the present disclosure, wherein the heat management system is in a vehicle interior dehumidification mode, and arrows in the diagram represent flow paths and flow directions of a heat exchange medium and a coolant in the mode;

[0062] Figure 6 is a flow path diagram of a heat management system according to an embodiment of the present disclosure, wherein the heat management system is in a vehicle interior dehumidification + battery cooling mode, and arrows in the diagram represent flow paths and flow directions of a heat exchange medium and a coolant in the mode;

[0063] Figure 7 is a flow path diagram of a heat management system according to an embodiment of the present disclosure, wherein the heat management system is in an outdoor heat exchanger defrosting mode, and arrows in the diagram represent flow paths and flow directions of a heat exchange medium and a coolant in the mode;

[0064] Figure 8 is a flow path diagram of a heat management system according to another embodiment of the present disclosure.

[0065] Explanation of Reference Signs

[0066] 101-compressor; 101-1-first exhaust port; 101-2-second exhaust port; 101-3-suction port; 201-first heat exchanger; 201-1-first opening of the first heat exchanger; 201-2-second opening of the first heat exchanger; 202-second heat exchanger; 202-1-first opening of the second heat exchanger; 202-2-second opening of the second heat exchanger; 203-first fan; 302-first indoor heat exchanger; 302-1-first opening of the first indoor heat exchanger; 302-2-second opening of the first indoor heat exchanger; 301-second indoor heat exchanger; 301-1-first opening of the second indoor heat exchanger; 301-2-second opening of the second indoor heat exchanger; 303-second fan; 401-battery heat exchanger; 401-1-first opening of the battery heat exchanger; 401-2-second opening of the battery heat exchanger; 403-first expansion valve; 108-second expansion valve; 109-third expansion valve; 114-gas-liquid separator; 500-motor electronic control unit; 500-1-motor electronic control module; 501-water pump; 502-electronic cooling plate; 503-motor water jacket; 508-third heat exchanger; 508-1-first opening of the third heat exchanger; 508-2-second opening of the third heat exchanger; 505-fourth heat exchanger; 506-third fan; 511-first cooling liquid flow path; 512-second cooling liquid flow path; 513-third cooling liquid flow path; 112-multi-way valve A; 112-1-first port of the multi-way valve A; 112-2-second port of the multi-way valve A; 112-3-third port of the multi-way valve A; 106-multi-way valve B; 106-1-first port of the multi-way valve B; 106-2-second port of the multi-way valve B; 106-3-third port of the multi-way valve B; 106-4-fourth port of the multi-way valve B; 402-multi-way valve C; 402-1-first port of the multi-way valve C; 402-2-second port of the multi-way valve C; 402-3-third port of the multi-way valve C; 107-multi-way valve D; 107-1-first port of the multi-way valve D; 107-2-second port of the multi-way valve D; 107-3-third port of the multi-way valve D; 110-multi-way valve E; 110-1-first port of the multi-way valve E; 110-2-second port of the multi-way valve E; 110-3-third port of the multi-way valve E; 110-4-fourth port of the multi-way valve E; 404-multi-way valve F; 404-1-first port of the multi-way valve F; 404-2-second port of the multi-way valve F; 404-3-third port of the multi-way valve F; 113-multi-way valve G; 113-1-first port of the multi-way valve G; 113-2-second port of the multi-way valve G; 113-3-third port of the multi-way valve G; 102-multi-way valve H; 102-1-first port of the multi-way valve H; 102-2-second port of the multi-way valve H; 102-3-third port of the multi-way valve H; 103-multi-way valve I; 103-1-first port of the multi-way valve I;103-2 - second port of multi-way valve I; 103-3 - third port of multi-way valve I; 111 - multi-way valve J; 111-1 - first port of multi-way valve J; 111-2 - second port of multi-way valve J; 111-3 - third port of multi-way valve J; 105 - multi-way valve K; 105-1 - first port of multi-way valve K; 105-2 - second port of multi-way valve K; 105-3 - third port of multi-way valve K; 104 - multi-way valve L; 104-1 - first port of multi-way valve L; 104-2 - second port of multi-way valve L; 104-3 - third port of multi-way valve L; 104-4 - fourth port of multi-way valve L; 405 - multi-way valve M; 405-1 - first port of multi-way valve M; 405-2 - second port of multi-way valve M; 405-3 - third port of multi-way valve M; 405-4 - fourth port of multi-way valve M; 504 - multi-way valve N; 504-1 - first port of multi-way valve N; 504-2 - second port of multi-way valve N; 504-3 - third port of multi-way valve N; 507 - multi-way valve O; 507-1 - first port of multi-way valve O; 507-2 - second port of multi-way valve O; 507-3 - third port of multi-way valve O. DETAILED DESCRIPTION

[0067] The specific embodiments of the present disclosure will be described below in detail with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are merely intended to illustrate and explain the present disclosure, and are not intended to limit the present disclosure.

[0068] In the present disclosure, the orientation words such as "upper, lower, top, bottom" used without the opposite description are generally defined with the upper, lower, top, bottom of the heat management system in the normal use state, only for the convenience of describing the present disclosure and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, and a specific orientation configuration and operation, and therefore cannot be understood as a limitation on the present disclosure. "Inner, outer" refers to the inner and outer of the profile of the corresponding component, and in addition, the terms "first", "second", etc. are used to distinguish one element from another element, and do not have sequentiality and importance.

[0069] In the description of the present disclosure, it also needs to be explained that, unless otherwise explicitly specified and limited, the terms "set", "connected", "linked", "mounted" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrally connected, it can be directly connected, or it can be indirectly connected through an intermediate medium. For those skilled in the art, the specific meaning of the above terms in the present disclosure can be understood according to the specific circumstances.

[0070] As Figures 1 to 8As shown, according to the first aspect of the present disclosure, a thermal management system is provided, comprising a first heat exchanger 201, a second heat exchanger 202, and a compressor 101, an exhaust port of the compressor 101 is adapted to be connected to a first opening 201-1 of the first heat exchanger 201, and the exhaust port of the compressor 101 is also adapted to be connected to a first opening 202-1 of the second heat exchanger 202, so that the heat exchange medium discharged from the exhaust port of the compressor 101 can be exchanged by the first heat exchanger 201 and the second heat exchanger 202.

[0071] Through the above technical solution, since the exhaust port of the compressor 101 can be connected to the first opening 201-1 of the first heat exchanger 201 or the first opening 202-1 of the second heat exchanger 202, the gaseous heat exchange medium discharged from the exhaust port of the compressor 101 can be exchanged by the first heat exchanger 201 or the second heat exchanger 202, thereby facilitating the reduction of the temperature of the heat exchange medium exchanged with the battery, and further facilitating the improvement of the heat dissipation effect on the battery.

[0072] It can be understood that "connected" and "connected" in this paper can mean that the two are connected through a pipeline, so that the heat exchange medium can flow between different components, for example, the exhaust port of the compressor 101 is connected to the first opening 201-1 of the first heat exchanger 201, which means that the exhaust port of the compressor 101 is connected to the first opening 201-1 of the first heat exchanger 201 through a pipeline, and the heat exchange medium can be transmitted between the two through the pipeline.

[0073] The present disclosure does not limit the positions of the first heat exchanger 201 and the second heat exchanger 202, and as an embodiment, as shown in Figures 1 to 8 The first heat exchanger 201 can be an outdoor heat exchanger, and / or the second heat exchanger 202 can be an outdoor heat exchanger.

[0074] Optionally, as shown in Figures 1 to 8 The thermal management system can further comprise a first expansion valve 403 and a battery heat exchanger 401, the battery heat exchanger 401 is used for heat exchange with the battery, a first opening 401-1 of the battery heat exchanger 401 is adapted to be connected to a second opening 201-2 of the first heat exchanger 201 and a second opening 202-2 of the second heat exchanger 202 through the first expansion valve 403 respectively, and a second opening 401-2 of the battery heat exchanger 401 is adapted to be connected to a suction port 101-3 of the compressor 101.

[0075] The gaseous heat exchange medium discharged from the exhaust port of the compressor 101 can enter the suction port 101-3 in sequence via the first heat exchanger 201, the first expansion valve 403 and the battery heat exchanger 401, or in sequence via the second heat exchanger 202, the first expansion valve 403 and the battery heat exchanger 401, that is, the gaseous heat exchange medium can be heat exchanged when passing through the first heat exchanger 201 and the second heat exchanger 202, such as heat exchanged with outdoor air to become liquid heat exchange medium, the liquid heat exchange medium can be expanded into gas-liquid two-phase flow when passing through the first expansion valve 403, the gas-liquid two-phase flow can be heat exchanged when passing through the battery heat exchanger 401, such as heat exchanged with the battery to become gaseous heat exchange medium, and finally the gaseous heat exchange medium can enter the compressor 101 through the suction port 101-3 to form a complete cycle and achieve heat dissipation of the battery.

[0076] Since the heat exchange medium can be heat exchanged with outdoor air through the first heat exchanger 201 and the second heat exchanger 202, the heat exchange medium can be multi-heat released before the first expansion valve 403, thereby facilitating the reduction of the temperature of the heat exchange medium flowing through the battery heat exchanger 401, and further facilitating the improvement of the heat dissipation effect of the battery.

[0077] It can be understood that the first opening and the second opening of the first heat exchanger 201, the second heat exchanger 202, the battery heat exchanger 401 and the like in the present disclosure are mutually communicated, for example, the first opening 201-1 of the first heat exchanger 201 and the second opening 201-2 of the first heat exchanger 201 are mutually communicated, which will not be described herein.

[0078] The type of the battery heat exchanger 401 is not limited in the present disclosure, and the battery heat exchanger 401 can be a direct cooling and direct heating heat exchanger, such as a battery direct cooling plate. The heat exchange medium directly exchanges heat with the battery through the battery heat exchanger 401, which on the one hand can reduce the setting of intermediate heat exchangers and related components, is conducive to saving space, and is also conducive to improving the reliability of the thermal management system, and on the other hand is conducive to reducing the heat exchange loss between the heat exchange medium and the battery, thereby facilitating the improvement of the cooling effect of the battery.

[0079] Optionally, as shown in Figures 1 to 7 The exhaust port of the compressor 101 includes a first exhaust port 101-1 and a second exhaust port 101-2, the exhaust pressure of the first exhaust port 101-1 is less than that of the second exhaust port 101-2, the first exhaust port 101-1 is adapted to be connected with the first opening 201-1 of the first heat exchanger 201, and the second exhaust port 101-2 is adapted to be connected with the first opening 202-1 of the second heat exchanger 202.

[0080] Since the exhaust pressure of the first exhaust port 101-1 is less than the exhaust pressure of the second exhaust port 101-2, the temperature of the heat exchange medium discharged from the first exhaust port 101-1 can be less than the temperature of the heat exchange medium discharged from the second exhaust port 101-2, and the heat exchange medium at the two temperatures can be heat exchanged through the first heat exchanger 201 and the second heat exchanger 202 respectively, which is conducive to increasing the richness of the flow path of the thermal management system and facilitating the realization of multiple modes of thermal management.

[0081] Optionally, as shown in Figure 1 the battery heat dissipation mode, the first exhaust port 101-1 is in communication with the first opening 201-1 of the first heat exchanger 201, the second exhaust port 101-2 is in communication with the first opening 202-1 of the second heat exchanger 202, the second opening 201-2 of the first heat exchanger 201 and the second opening 202-2 of the second heat exchanger 202 are both in communication with the first expansion valve 403, the first expansion valve 403 is in communication with the first opening 401-1 of the battery heat exchanger 401, and the second opening 401-2 of the battery heat exchanger 401 is in communication with the suction port 101-3 of the compressor 101.

[0082] Optionally, as shown in Figures 1 to 7 the battery heat dissipation mode, the first exhaust port 101-1 is in communication with the first opening 201-1 of the first heat exchanger 201, the second exhaust port 101-2 is in communication with the first opening 202-1 of the second heat exchanger 202, the second opening 201-2 of the first heat exchanger 201 and the second opening 202-2 of the second heat exchanger 202 are both in communication with the first expansion valve 403, the first expansion valve 403 is in communication with the first opening 401-1 of the battery heat exchanger 401, and the second opening 401-2 of the battery heat exchanger 401 is in communication with the suction port 101-3 of the compressor 101.

[0083] When the first heat exchanger 201 and the second heat exchanger 202 act as condensers (such as the first mode), the temperature of the heat exchange medium flowing through the first heat exchanger 201 is less than the temperature of the heat exchange medium flowing through the second heat exchanger 202, and the outdoor air can be heat exchanged with the heat exchange medium in a step-by-step heat exchange mode (such as low-temperature air-medium-temperature heat exchange medium, medium-temperature air-high-temperature heat exchange medium), which is conducive to reducing the temperature difference between the outdoor air and the heat exchange medium and reducing irreversible loss, thereby facilitating the improvement of the overall energy efficiency of the system.

[0084] Similarly, when the first heat exchanger 201 and the second heat exchanger 202 act as evaporators (such as the third mode), the temperature of the heat exchange medium flowing through the first heat exchanger 201 is greater than the temperature of the heat exchange medium flowing through the second heat exchanger 202, and the outdoor air can be heat exchanged with the heat exchange medium in a step-by-step heat exchange mode (such as high-temperature air-medium-temperature heat exchange medium, medium-temperature air-low-temperature heat exchange medium), which is conducive to reducing the temperature difference between the outdoor air and the heat exchange medium and reducing irreversible loss, thereby facilitating the improvement of the overall energy efficiency of the system.

[0085] Optionally, as shown inFigure 2 and Figure 7 As shown, the thermal management system also includes a second expansion valve 108 and a first indoor heat exchanger 302. The first heat exchanger 201 can be an outdoor heat exchanger. The second opening 201-2 of the first heat exchanger 201 is suitable for selectively connecting or closing with the second expansion valve 108. The second expansion valve 108 is suitable for connecting with the first opening 302-1 of the first indoor heat exchanger 302. The second opening 302-2 of the first indoor heat exchanger 302 is suitable for selectively connecting or closing with the air intake port 101-3.

[0086] With such an arrangement, the gaseous heat exchange medium discharged from the first exhaust port 101-1 can also enter the air intake port 101-3 after passing through the first heat exchanger 201, the second expansion valve 108, and the first indoor heat exchanger 302 in sequence, so that the indoor air can be cooled by absorbing heat through the first indoor heat exchanger 302.

[0087] Optionally, the thermal management system has an indoor cooling mode and an outdoor heat exchanger defrost mode, i.e., an in-vehicle cooling mode and an outdoor heat exchanger defrost mode. In the indoor cooling mode or the outdoor heat exchanger defrost mode, the first exhaust port 101-1 is connected to the first opening 201-1 of the first heat exchanger 201, the second opening 201-2 of the first heat exchanger 201 is connected to the second expansion valve 108, the second expansion valve 108 is connected to the first opening 302-1 of the first indoor heat exchanger 302, and the second opening 302-2 of the first indoor heat exchanger 302 is connected to the intake port 101-3.

[0088] Alternatively, as Figure 2 and Figure 7 As shown, the thermal management system also includes a third expansion valve 109 and a second indoor heat exchanger 301. The second heat exchanger 202 can be an outdoor heat exchanger. The second opening 202-2 of the second heat exchanger 202 is suitable for selectively connecting or closing with the third expansion valve 109. The third expansion valve 109 is suitable for connecting with the first opening 301-1 of the second indoor heat exchanger 301. The second opening 301-2 of the second indoor heat exchanger 301 is suitable for selectively connecting or closing with the air intake port 101-3.

[0089] With such an arrangement, the gaseous heat exchange medium discharged from the second exhaust port 101-2 can also enter the air intake port 101-3 after passing through the second heat exchanger 202, the third expansion valve 109, and the second indoor heat exchanger 301 in sequence, so that the indoor air can be cooled by absorbing heat through the second indoor heat exchanger 301.

[0090] Alternatively, as Figure 2 and Figure 7As shown, the thermal management system has an indoor refrigeration mode and an outdoor heat exchanger defrosting mode, i.e. an indoor refrigeration mode and an outdoor heat exchanger defrosting mode. In the indoor refrigeration mode or the outdoor heat exchanger defrosting mode, the second exhaust port 101-2 is communicated with the first opening 202-1 of the second heat exchanger 202, the second opening 202-2 of the second heat exchanger 202 is communicated with the third expansion valve 109, the third expansion valve 109 is communicated with the first opening 301-1 of the second indoor heat exchanger 301, and the second opening 301-2 of the second indoor heat exchanger 301 is communicated with the suction port 101-3.

[0091] Optionally, as shown, Figure 2 the thermal management system can comprise a multi-way valve D 107 and a multi-way valve E 110. The first port 107-1 of the multi-way valve D 107 can be connected with the second opening 202-2 of the second heat exchanger 202, the second port 107-2 of the multi-way valve D 107 can be connected with the first port 110-1 of the multi-way valve E 110, the third port 107-3 of the multi-way valve D 107 can be connected with the second port 110-2 of the multi-way valve E 110 via the third expansion valve 109, the third port 110-3 of the multi-way valve E 110 can be connected with the first opening 401-1 of the battery heat exchanger 401 via the first expansion valve 403, and the fourth port 110-4 of the multi-way valve E 110 can be connected with the first opening 301-1 of the second indoor heat exchanger 301.

[0092] In this way, the second opening 202-2 of the second heat exchanger 202 can be connected with the first opening 401-1 of the battery heat exchanger 401 via the first expansion valve 403, or connected with the first opening 301-1 of the second indoor heat exchanger 301 via the third expansion valve 109, and this is conducive to saving the pipeline of the thermal management system and reducing the space occupied by the thermal management system.

[0093] The type of the multi-way valve D 107 and the multi-way valve E 110 is not limited in the present disclosure. Optionally, the multi-way valve D 107 can be a three-way valve, and the multi-way valve E 110 can be a four-way valve.

[0094] Optionally, as shown, Figure 2 the thermal management system can comprise a multi-way valve F 404 and a multi-way valve G 113. The first port 404-1 of the multi-way valve F 404 can be connected with the second opening 401-2 of the battery heat exchanger 401, the second port 404-2 of the multi-way valve F 404 can be connected with the second opening 302-2 of the first indoor heat exchanger 302, the third port 404-3 of the multi-way valve F 404 can be connected with the first port 113-1 of the multi-way valve G 113, the second port 113-2 of the multi-way valve G 113 can be connected with the second opening 301-2 of the second indoor heat exchanger 301, and the third port 113-3 of the multi-way valve G 113 can be connected with the suction port 101-3.

[0095] In this way, the second opening 302-2 of the first indoor heat exchanger 302 is connected to the suction port 101-3, the second opening 401-2 of the battery heat exchanger 401 is connected to the suction port 101-3, and the second opening 301-2 of the second indoor heat exchanger 301 is connected to the suction port 101-3, which is conducive to saving the pipeline of the thermal management system and reducing the space occupied by the thermal management system.

[0096] The type of the multi-way valve F404 and the multi-way valve G113 is not limited in the present disclosure, and the multi-way valve F404 and the multi-way valve G113 can be a three-way valve.

[0097] Optionally, as shown in Figure 2 The thermal management system further comprises a second fan 303, and the second fan 303 is configured to blow air that can pass through the second indoor heat exchanger 301 and the first indoor heat exchanger 302 in sequence.

[0098] In this way, the indoor air can first exchange heat with the second indoor heat exchanger 301 and then exchange heat with the first indoor heat exchanger 302. When the second indoor heat exchanger 301 and the first indoor heat exchanger 302 act as evaporators (e.g., in the second mode), the temperature of the heat exchange medium flowing through the second indoor heat exchanger 301 is higher than the temperature of the heat exchange medium flowing through the first indoor heat exchanger 302, and the indoor air can exchange heat with the heat exchange medium in a step-by-step heat exchange mode (e.g., high-temperature air-medium temperature heat exchange medium, medium-temperature air-low-temperature heat exchange medium), which is conducive to reducing the temperature difference between the indoor air and the heat exchange medium and reducing irreversible loss, thereby improving the overall energy efficiency of the system.

[0099] Similarly, when the second indoor heat exchanger 301 and the first indoor heat exchanger 302 act as condensers (e.g., in the third mode), the temperature of the heat exchange medium flowing through the second indoor heat exchanger 301 is lower than the temperature of the heat exchange medium flowing through the first indoor heat exchanger 302, and the indoor air can exchange heat with the heat exchange medium in a step-by-step heat exchange mode (e.g., low-temperature air-medium temperature heat exchange medium, medium-temperature air-high-temperature heat exchange medium), which is conducive to reducing the temperature difference between the indoor air and the heat exchange medium and reducing irreversible loss, thereby improving the overall energy efficiency of the system.

[0100] Optionally, as shown in Figure 3 and Figure 4 The first exhaust port 101-1 is adapted to selectively communicate or block the second opening 301-2 of the second indoor heat exchanger 301, and the first exhaust port 101-1 is also adapted to selectively communicate or block the first opening 201-1 of the first heat exchanger 201. The suction port 101-3 is also adapted to selectively communicate or block the first opening 202-1 of the second heat exchanger 202.

[0101] By connecting the first exhaust port 101-1 with the second opening 301-2 of the second indoor heat exchanger 301, disconnecting the first exhaust port 101-1 with the first opening 201-1 of the first heat exchanger 201, and connecting the suction port 101-3 with the first opening 202-1 of the second heat exchanger 202, the gaseous heat exchange medium discharged from the first exhaust port 101-1 can enter the suction port 101-3 in sequence via the second indoor heat exchanger 301, the third expansion valve 109, and the second heat exchanger 202, so that the indoor air can be heated by the second indoor heat exchanger 301.

[0102] Optionally, as shown in Figure 3 and Figure 4 , the thermal management system has an indoor heating mode, i.e. a vehicle interior heating mode, in which the first exhaust port 101-1 is disconnected with the first opening 201-1 of the first heat exchanger 201, the first exhaust port 101-1 is connected with the second opening 301-2 of the second indoor heat exchanger 301, the first opening 301-1 of the second indoor heat exchanger 301 is connected with the third expansion valve 109, the third expansion valve 109 is connected with the second opening 202-2 of the second heat exchanger 202, and the first opening 202-1 of the second heat exchanger 202 is connected with the suction port 101-3.

[0103] Optionally, as shown in Figure 3 and Figure 4 , the second exhaust port 101-2 is adapted to be selectively connected or disconnected with the second opening 302-2 of the first indoor heat exchanger 302, and is also adapted to be selectively connected or disconnected with the first opening 202-1 of the second heat exchanger 202, and the suction port 101-3 is adapted to be selectively connected or disconnected with the first opening 201-1 of the first heat exchanger 201.

[0104] By connecting the second exhaust port 101-2 with the second opening 302-2 of the first indoor heat exchanger 302, disconnecting the second exhaust port 101-2 with the first opening 202-1 of the second heat exchanger 202, and connecting the suction port 101-3 with the second opening 201-2 of the first heat exchanger 201, the gaseous heat exchange medium discharged from the second exhaust port 101-2 can enter the suction port 101-3 in sequence via the first indoor heat exchanger 302, the second expansion valve 108, and the first heat exchanger 201, so that the indoor air can be heated by the first indoor heat exchanger 302, realizing heating of the indoor air.

[0105] Optionally, as shown in Figure 3 and Figure 4 , the thermal management system has an indoor heating mode, i.e. a vehicle interior heating mode, in which the first exhaust port 101-1 is disconnected with the first opening 201-1 of the first heat exchanger 201, the first exhaust port 101-1 is connected with the second opening 301-2 of the second indoor heat exchanger 301, the first opening 301-1 of the second indoor heat exchanger 301 is connected with the third expansion valve 109, the third expansion valve 109 is connected with the second opening 202-2 of the second heat exchanger 202, and the first opening 202-1 of the second heat exchanger 202 is connected with the suction port 101-3.As shown, the thermal management system has an indoor heating mode, i.e. a vehicle interior heating mode, in which the second exhaust port 101-2 is shut off from the first opening 202-1 of the second heat exchanger 202, the second exhaust port 101-2 is connected to the second opening 302-2 of the first indoor heat exchanger 302, the first opening 302-1 of the first indoor heat exchanger 302 is connected to the second expansion valve 108, the second expansion valve 108 is connected to the second opening 201-2 of the first heat exchanger 201, and the first opening 201-1 of the first heat exchanger 201 is connected to the suction port 101-3.

[0106] Optionally, as shown, the second exhaust port 101-2 is further adapted to be selectively connected to or shut off from the second opening 401-2 of the battery heat exchanger 401. By connecting the second exhaust port 101-2 to the second opening 401-2 of the battery heat exchanger 401, the gaseous heat exchange medium discharged from the second exhaust port 101-2 can enter the suction port 101-3 in sequence via the battery heat exchanger 401, the first expansion valve 403, and the first heat exchanger 201, so that the battery can be preheated by the battery heat exchanger 401. Figure 4

[0107] Optionally, as shown, the thermal management system has a battery preheating mode, in which the second exhaust port 101-2 is connected to the second opening 401-2 of the battery heat exchanger 401, the first opening 401-1 of the battery heat exchanger 401 is connected to the first expansion valve 403, the first expansion valve 403 is connected to the second opening 201-2 of the first heat exchanger 201, and the first opening 201-1 of the first heat exchanger 201 is connected to the suction port 101-3. Figure 4

[0108] Optionally, as shown, the thermal management system further includes a multi-way valve A 112, a first port 112-1 of the multi-way valve A 112 is adapted to be connected to the second exhaust port 101-2, a second port 112-2 of the multi-way valve A 112 is adapted to be connected to the second opening 302-2 of the first indoor heat exchanger 302, and a third port 112-3 of the multi-way valve A 112 is adapted to be connected to the second opening 401-2 of the battery heat exchanger 401. Figure 4 Thus, the second exhaust port 101-2 can be connected to the second opening 302-2 of the first indoor heat exchanger 302 or the second opening 401-2 of the battery heat exchanger 401.

[0109] Optionally, as shown, the thermal management system can further include a multi-way valve H 102, a multi-way valve I 103, a multi-way valve J 111, a multi-way valve K 105, a multi-way valve L 104, and a multi-way valve M 405.

[0110] Figures 1 to 4

[0111] ​​​​The first port 102-1 of the multi-way valve H102 can be connected with the first exhaust port 101-1, the second port 102-2 of the multi-way valve H102 can be connected with the first opening 201-1 of the first heat exchanger 201, and the third port 102-3 of the multi-way valve H102 can be connected with the second opening 301-2 of the second indoor heat exchanger 301, so that the first exhaust port 101-1 can be communicated with the first opening 201-1 of the first heat exchanger 201 or the second opening 301-2 of the second indoor heat exchanger 301.

[0112] The first port 103-1 of the multi-way valve I103 can be connected with the second exhaust port 101-2, the second port 103-2 of the multi-way valve I103 can be connected with the first opening 202-1 of the second heat exchanger 202, and the third port 103-3 of the multi-way valve I103 can be connected with the first port 112-1 of the multi-way valve A112, so that the second exhaust port 101-2 can be communicated with the first opening 202-1 of the second heat exchanger 202, the second opening 302-2 of the first indoor heat exchanger 302 and the second opening 401-2 of the battery heat exchanger 401.

[0113] The first port 111-1 of the multi-way valve J111 can be connected with the third port 102-3 of the multi-way valve H102, the second port 111-2 of the multi-way valve J111 can be connected with the second opening 301-2 of the second indoor heat exchanger 301, and the third port 111-3 of the multi-way valve J111 can be connected with the suction port 101-3, so that the second opening 301-2 of the second indoor heat exchanger 301 can be communicated with the first exhaust port 101-1 or the suction port 101-3.

[0114] The first port 105-1 of the multi-way valve K105 can be connected with the second port 103-2 of the multi-way valve I103, the second port 105-2 of the multi-way valve K105 can be connected with the first opening 202-1 of the second heat exchanger 202, and the third port 105-3 of the multi-way valve K105 can be connected with the suction port 101-3, so that the first opening 202-1 of the second heat exchanger 202 can be communicated with the second exhaust port 101-2 or the suction port 101-3.

[0115] The first port 104-1 of the multi-way valve L104 can be connected with the first opening 201-1 of the first heat exchanger 201, the second port 104-2 of the multi-way valve L104 can be connected with the second port 102-2 of the multi-way valve H102, and the third port 104-3 of the multi-way valve L104 can be connected with the suction port 101-3, so that the first opening 201-1 of the first heat exchanger 201 can be communicated with the first exhaust port 101-1 or the suction port 101-3.

[0116] The first port 405-1 of the multi-way valve M405 can be connected to the first opening of the multi-way valve G113, the second port 405-2 of the multi-way valve M405 can be connected to the third port 404-3 of the multi-way valve F404, the third port 405-3 of the multi-way valve M405 can be connected to the first opening 201-1 of the first heat exchanger 201, and the fourth port 405-4 of the multi-way valve M405 can be connected to the first opening 202-1 of the second heat exchanger 202, so that the intake port 101-3 can be connected to the second opening 401-2 of the battery heat exchanger 401, the first opening 201-1 of the first heat exchanger 201, the first opening 202-1 of the second heat exchanger 202, the second opening 301-2 of the second indoor heat exchanger 301 and the second opening 302-2 of the first indoor heat exchanger 302.

[0117] Such an arrangement is beneficial for saving pipes of the thermal management system and for reducing the space occupied by the thermal management system.

[0118] The present disclosure does not limit the types of multi-way valve A112, multi-way valve H102, multi-way valve I103, multi-way valve J111, multi-way valve K105 and multi-way valve M405. As an embodiment, the multi-way valve A112, multi-way valve H102, multi-way valve I103, multi-way valve J111 and multi-way valve K105 can be three-way valves, and the multi-way valve M405 can be a four-way valve.

[0119] Alternatively, as Figure 5 As shown, the first exhaust port 101-1 is also suitable for selectively opening or closing with the second opening 302-2 of the first indoor heat exchanger 302, and the first exhaust port 101-1 is also suitable for selectively opening or closing with the first opening 201-1 of the first heat exchanger 201, the second exhaust port 101-2 is also suitable for selectively opening or closing with the second opening 302-2 of the first indoor heat exchanger 302, and the second exhaust port 101-2 is also suitable for selectively opening or closing with the first opening 202-1 of the second heat exchanger 202, and the second expansion valve 108 is also suitable for selectively opening or closing with the first opening 301-1 of the second indoor heat exchanger 301.

[0120] The gaseous heat exchange medium discharged from the first exhaust port 101-1 and the second exhaust port 101-2 can flow through the first indoor heat exchanger 302, the second expansion valve 108 and the second indoor heat exchanger 301 in sequence and then enter the suction port 101-3. When the gaseous heat exchange medium flows through the first indoor heat exchanger 302, the gaseous heat exchange medium releases heat to the indoor air and becomes liquid heat exchange medium. When the liquid heat exchange medium flows through the second expansion valve 108, the liquid heat exchange medium expands to become gas-liquid two-phase flow. When the gas-liquid two-phase flow flows through the second indoor heat exchanger 301, the gas-liquid two-phase flow absorbs heat and becomes gaseous to enter the suction port 101-3, completing the cycle and realizing dehumidification of the indoor air. The second indoor heat exchanger 301 is an evaporator responsible for air dehumidification, and the first indoor heat exchanger 302 is a condenser responsible for reheating the cooled indoor air and maintaining indoor thermal comfort. The indoor air with high relative humidity first flows through the second indoor heat exchanger 301 (evaporator), and the water vapor in the air rapidly condenses on the low-temperature heat exchanger fins, and the temperature of the air decreases. The condensed air enters the first indoor heat exchanger 302 (condenser), the temperature of the air rises after absorbing heat, and the air is then transported back to the indoor passenger cabin. Thus, the indoor air is first cooled and then heated, effectively solving the problem of decreased indoor thermal comfort in the dehumidification mode of the traditional system.

[0121] Optionally, as shown in FIG. 1B, the heat management system has an indoor dehumidification mode. In the indoor dehumidification mode, the first exhaust port 101-1 is closed with the first opening 201-1 of the first heat exchanger 201, and the second exhaust port 101-2 is closed with the first opening 202-1 of the second heat exchanger 202. Figure 5

[0122] The first exhaust port 101-1 and the second exhaust port 101-2 are both in communication with the second opening 302-2 of the first indoor heat exchanger 302. The first opening 302-1 of the first indoor heat exchanger 302 is in communication with the second expansion valve 108. The second expansion valve 108 is in communication with the first opening 301-1 of the second indoor heat exchanger 301. The second opening 301-2 of the second indoor heat exchanger 301 is in communication with the suction port 101-3.

[0123] Here, the third port 405-3 of the multi-way valve M405 can be connected to the third port 104-3 of the multi-way valve L104, so that the first exhaust port 101-1 can be in communication with the second opening 202-2 of the second heat exchanger 202.

[0124] Optionally, as shown in FIG. 1B, the heat management system has an indoor dehumidification mode. In the indoor dehumidification mode, the first exhaust port 101-1 is closed with the first opening 201-1 of the first heat exchanger 201, and the second exhaust port 101-2 is closed with the first opening 202-1 of the second heat exchanger 202. Figure 5 ​As shown, the thermal management system also includes a multi-way valve B106 and a multi-way valve C402. The first opening 302-1 of the first indoor heat exchanger 302 is connected to the first port 106-1 of the multi-way valve B106 through the second expansion valve 108, the second port 106-2 of the multi-way valve B106 is connected to the second opening 201-2 of the first heat exchanger 201, the third port 106-3 of the multi-way valve B106 is connected to the first port 402-1 of the multi-way valve C402, the second port 402-2 of the multi-way valve C402 is connected to the first opening 401-1 of the battery heat exchanger 401 through the first expansion valve 403, and the third port 402-3 of the multi-way valve C402 is connected to the first opening 301-1 of the second indoor heat exchanger 301. The multi-way valve C402 can realize the connection of the first opening 301-1 of the second indoor heat exchanger 301 with the first opening 401-1 of the battery heat exchanger 401 via the first expansion valve 403.

[0125] With such an arrangement, the second opening 201-2 of the first heat exchanger 201 can be connected to the first opening 302-1 of the first indoor heat exchanger 302 via the second expansion valve 108, the second opening 201-2 of the first heat exchanger 201 can be connected to the first opening 401-1 of the battery heat exchanger 401 via the first expansion valve 403, the first opening 302-1 of the first indoor heat exchanger 302 can be connected to the first opening 401-1 of the battery heat exchanger 401 via the second expansion valve 108 and the first expansion valve 403 in sequence, and the first opening 302-1 of the first indoor heat exchanger 302 can be connected to the first opening 301-1 of the second indoor heat exchanger 301 after passing through the second expansion valve 108. In addition, this is beneficial to saving pipelines of the thermal management system and reducing the space occupied by the thermal management system.

[0126] The present disclosure does not limit the types of the multi-way valve B106 and the multi-way valve C402. As an embodiment, the multi-way valve C402 may be a three-way valve, and the multi-way valve B106 may be a four-way valve.

[0127] Alternatively, as Figure 6 As shown, the first exhaust port 101-1 is also suitable for selectively connecting or cutting off with the air intake port 101-3, the second exhaust port 101-2 is also suitable for selectively connecting or cutting off with the second opening 302-2 of the first indoor heat exchanger 302, and the second exhaust port 101-2 is also suitable for selectively connecting or cutting off with the first opening 202-1 of the second heat exchanger 202, the second expansion valve 108 is also suitable for selectively connecting or cutting off with the first opening 301-1 of the second indoor heat exchanger 301, and the second expansion valve 108 is also suitable for selectively connecting or cutting off with the first opening 401-1 of the battery heat exchanger 401 through the first expansion valve 403.

[0128] By connecting the first exhaust port 101 - 1 to the intake port 101 - 3 , the heat exchange medium discharged from the first exhaust port 101 - 1 can be directly replenished into the compressor 101 .

[0129] The second exhaust port 101-2 is connected to the second opening 302-2 of the first indoor heat exchanger 302, and the second expansion valve 108 is connected to the first opening 301-1 of the second indoor heat exchanger 301 and the first opening 401-1 of the battery heat exchanger 401, so that the heat exchange medium discharged from the second exhaust port 101-2 can enter the air intake port 101-3 after passing through the first indoor heat exchanger 302, the second expansion valve 108 and the second indoor heat exchanger 301 in sequence, or enter the air intake port 101-3 after passing through the first indoor heat exchanger 302, the second expansion valve 108 and the battery heat exchanger 401 in sequence, thereby achieving dehumidification of the indoor air and cooling of the battery at the same time.

[0130] Alternatively, as Figure 6 As shown, the thermal management system has an indoor dehumidification + battery cooling mode. In the indoor dehumidification + battery cooling mode, the first exhaust port 101-1 is cut off from the first opening 201-1 of the first heat exchanger 201, and the first exhaust port 101-1 is connected to the air intake port 101-3.

[0131] The second exhaust port 101-2 is blocked from the first opening 202-1 of the second heat exchanger 202, and is connected to the second opening 302-2 of the first indoor heat exchanger 302. The first opening 302-1 of the first indoor heat exchanger 302 is connected to the second expansion valve 108, and the second expansion valve 108 is connected to the first opening 301-1 of the second indoor heat exchanger 301. The second opening 301-2 of the second indoor heat exchanger 301 is connected to the air intake port 101-3.

[0132] The second expansion valve 108 is also in communication with the first expansion valve 403 . The first expansion valve 403 is in communication with the first opening 401 - 1 of the battery heat exchanger 401 . The first opening 401 - 2 of the battery heat exchanger 401 is in communication with the air intake port 101 - 3 .

[0133] Here, the third port 405 - 3 of the multi-way valve M405 may be connected to the third port 104 - 3 of the multi-way valve L104 , so that the first exhaust port 101 - 1 may communicate with the intake port 101 - 3 .

[0134] Alternatively, as Figures 1 to 8 As shown, the thermal management system further includes a gas-liquid separator 114. Arranging the gas-liquid separator 114 upstream of the air intake 101-3 is beneficial to preventing the compressor 101 from being damaged by liquid caused by the intake of liquid.

[0135] Alternatively, as Figures 1 to 8As shown, the compressor 101 is a single-suction double-row compressor 101, and the gas-liquid separator 114 is arranged upstream of the suction port 101-3 of the single-suction double-row compressor 101. The single-suction double-row compressor 101 can be provided with only one gas-liquid separator 114, which is conducive to simplifying the structure of the heat management system and reducing the space occupied by the heat management system.

[0136] It can be understood that, here, upstream and downstream refer to the upstream and downstream of the flow of the heat exchange medium, i.e., the flow of the heat exchange medium from the gas-liquid separator 114 to the suction port 101-3.

[0137] Optionally, as shown, Figure 4 The heat management system further includes a motor electronic control unit 500 and a third heat exchanger 508, and the heat exchange medium flowing out of the first opening 302-1 of the first indoor heat exchanger 302 and passing through the second expansion valve 108 is adapted to exchange heat with the motor electronic control unit 500 through the third heat exchanger 508.

[0138] In this way, the heat exchange medium discharged from the second exhaust port 101-2 can enter the suction port 101-3 in sequence via the first indoor heat exchanger 302, the second expansion valve 108, and the third heat exchanger 508, so that the heat exchange medium can exchange heat with the motor electronic control unit 500 through the third heat exchanger 508, and cooling or waste heat recovery of the motor electronic control unit 500 can be achieved.

[0139] The present disclosure does not limit the type of the third heat exchanger 508, and as an embodiment, the third heat exchanger 508 can be a plate heat exchanger.

[0140] Here, optionally, the multi-way valve B 106 and the multi-way valve L 104 can be four-way valves, the fourth port 106-4 of the multi-way valve B 106 is connected to the first opening 508-1 of the third heat exchanger 508, and the fourth port 104-4 of the multi-way valve L 104 is connected to the second opening 508-2 of the third heat exchanger 508, so that the heat exchange medium flowing out of the first opening 302-1 of the first indoor heat exchanger 302 and passing through the second expansion valve 108 can flow through the fourth heat exchanger 505.

[0141] Optionally, as shown, Figures 1 to 8As shown, the motor electronic control unit 500 further comprises a water pump 501, a motor electronic control module 500-1 and a fourth heat exchanger 505, the motor electronic control unit 500 comprises a first cooling liquid flow path 511, a second cooling liquid flow path 512 and a third cooling liquid flow path 513, a first end of the first cooling liquid flow path 511 is selectively connected with a first end of the second cooling liquid flow path 512 or a first end of the third cooling liquid flow path 513, a second end of the first cooling liquid flow path 511 is selectively connected with a second end of the second cooling liquid flow path 512 or a second end of the third cooling liquid flow path 513, the water pump 501 and the motor electronic control module 500-1 are connected in series on the first cooling liquid flow path 511, the fourth heat exchanger 505 is arranged on the second cooling liquid flow path 512, and the third heat exchanger 508 is arranged on the third cooling liquid flow path 513.

[0142] The first end of the first cooling liquid flow path 511 can be connected with the first end of the second cooling liquid flow path 512, and the second end of the first cooling liquid flow path 511 can be connected with the second end of the second cooling liquid flow path 512, so that the first cooling liquid flow path 511 and the second cooling liquid flow path 512 form a loop, and the cooling liquid flowing through the first cooling liquid flow path 511 is cooled by the fourth heat exchanger 505, thereby achieving cooling of the motor electronic control module 500-1.

[0143] The first end of the first cooling liquid flow path 511 can also be connected with the first end of the third cooling liquid flow path 513, and the second end of the first cooling liquid flow path 511 can be connected with the second end of the third cooling liquid flow path 513, so that the first cooling liquid flow path 511 and the third cooling liquid flow path 513 form a loop, and since the second heat exchange medium and the cooling liquid flowing through the first cooling liquid flow path 511 can exchange heat in the third heat exchanger 508, cooling of the motor electronic control module 500-1 or waste heat recovery of the motor electronic control module 500-1 can be achieved.

[0144] Here, the motor electronic control module 500-1 includes but is not limited to an electronic control and a motor, for example, the cooling liquid flowing through the first cooling liquid flow path 511 can exchange heat with the electronic control through the electronic control cooling plate 502, or can exchange heat with the motor through the motor water jacket 503.

[0145] In order to achieve the above-mentioned connection relationship of the first cooling liquid flow path 511, the second cooling liquid flow path 512 and the third cooling liquid flow path 513, as an embodiment, as shown in Figures 1 to 7As shown, the motor electronic control unit 500 can include a multi-way valve N 504 and a multi-way valve O 507, a first port 504-1 of the multi-way valve N 504 can be connected with a first end of the first coolant flow path 511, a second port 504-2 of the multi-way valve N 504 can be connected with a first end of the second coolant flow path 512, a third port 504-3 of the multi-way valve N 504 can be connected with a first end of the third coolant flow path 513, a first port 507-1 of the multi-way valve O 507 can be connected with a second end of the first coolant flow path 511, a second port 507-2 of the multi-way valve O 507 can be connected with a second end of the second coolant flow path 512, and a third port 507-3 of the multi-way valve O 507 can be connected with a second end of the third coolant flow path 513.

[0146] The type of the multi-way valve N 504 and the multi-way valve O 507 is not limited in the present disclosure, and the multi-way valve N 504 and the multi-way valve O 507 can be a three-way valve.

[0147] The type of the fourth heat exchanger 505 is not limited in the present disclosure, and as an embodiment, as shown in Figures 1 to 7 The fourth heat exchanger 505 can be an air-cooled heat exchanger, and the thermal management system further includes a third fan 506, the third fan 506 is used for blowing air to the fourth heat exchanger 505, and the heat of the coolant flowing through the fourth heat exchanger 505 can be taken away by blowing air to the fourth heat exchanger 505 by the third fan 506.

[0148] Optionally, as shown in Figure 8 The first fan 203 is arranged to blow air that can pass through the first heat exchanger 201, the second heat exchanger 202 and the fourth heat exchanger 505 in sequence. In this way, the fourth heat exchanger 505 can be cooled by the air blown by the first fan 203, so that the third fan 506 does not need to be additionally arranged, which is conducive to simplifying the structure of the thermal management system and reducing the energy consumption of the thermal management system.

[0149] In addition, the fourth heat exchanger 505 is arranged downstream of the second heat exchanger 202 in the flow direction of the air blown by the first fan 203, which is also conducive to avoiding affecting the cascade heat exchange between the outdoor air and the first heat exchanger 201 and the second heat exchanger 202.

[0150] The thermal management system provided by the present disclosure can be applied to suitable fields, and the present disclosure does not limit this, for example, according to a second aspect of the present disclosure, a terminal device is provided, including the thermal management system described above.

[0151] Optionally, the terminal device can be a vehicle, that is, the thermal management system described above can be a vehicle thermal management system.

[0152] It is understandable that the thermal management system of the present disclosure can be used not only on vehicles, but also on any other equipment suitable for adopting the thermal management system, and the present disclosure does not limit this.

[0153] For ease of understanding, the following will take the vehicle thermal management system as an example and combine Figures 1 to 7 To describe the cycle process and principle of the main working mode of the thermal management system provided by the present invention.

[0154] Mode 1: Battery cooling + motor and electronic control cooling. Figure 1 As shown, in this mode, the flow of the heat exchange medium is as follows: the medium-pressure and medium-temperature gaseous heat exchange medium is discharged from the first exhaust port 101-1, enters the first heat exchanger 201 through the multi-way valve H102 and the multi-way valve L104, exchanges heat with the air in the first heat exchanger 201, releases heat to become a low-temperature liquid heat exchange medium, and then enters the multi-way valve C402 through the multi-way valve B106; the high-pressure and high-temperature gaseous heat exchange medium is discharged from the second exhaust port 101-2, enters the second heat exchanger 202 through the multi-way valve I103 and the multi-way valve K105, exchanges heat with the air in the second heat exchanger 202, releases heat to become a medium-temperature liquid heat exchange medium, and then enters the multi-way valve C402 through the multi-way valve D107 and the multi-way valve E110. The above two heat exchange media enter the first expansion valve 403 together through the multi-way valve C402, expand into a low-temperature gas-liquid two-phase flow and enter the battery heat exchanger 401 to cool the battery pack. The heat exchange medium itself absorbs heat and becomes a low-temperature gas. It enters the gas-liquid separator 114 through the multi-way valve F404, multi-way valve M405, and multi-way valve G113, and finally returns to the compressor 101, forming a complete cycle.

[0155] The coolant flow process is as follows: under the action of the water pump 501, the coolant flows through the electronically controlled cooling plate 502 and the motor water jacket 503 in sequence to absorb heat, then flows into the fourth heat exchanger 505 through the multi-way valve N504 to release heat to the air, and finally returns to the inlet of the water pump 501 through the multi-way valve O507, forming a complete cycle.

[0156] The flow of outside air is as follows: the low-temperature outside air first flows through the first heat exchanger 201, where it absorbs heat and is heated to a medium temperature. It then flows through the second heat exchanger 202, where it absorbs heat and is heated to a high temperature. Therefore, the air and the heat exchange medium in the outside heat exchange module exchange heat in a cascaded pattern (low-temperature air to medium-temperature heat exchange medium, medium-temperature air to high-temperature heat exchange medium), reducing irreversible losses and improving system energy efficiency.

[0157] Mode 2: In-car cooling + battery cooling + motor and electronic control cooling. Figure 2As shown, in this mode, the flow of the heat exchange medium is as follows: the medium at medium pressure and medium temperature is discharged from the first exhaust port 101-1, enters the first heat exchanger 201 through the multi-way valve H 102 and the multi-way valve L 104, exchanges heat with the air in the first heat exchanger 201, and is cooled to become low-temperature liquid heat exchange medium, which is divided into two streams by the multi-way valve B 106, one of which enters the second expansion valve 108 to be expanded into low-temperature gas-liquid two-phase flow, enters the first indoor heat exchanger 302 to be heated to become gaseous, enters the multi-way valve F 404 through the multi-way valve A 112, and the other of which enters the first expansion valve 403 through the multi-way valve C 402 to be expanded into low-temperature gas-liquid two-phase flow, enters the battery heat exchanger 401 to be heated to become gaseous, and enters the multi-way valve F 404, where the two streams of the heat exchange medium are combined, enters the multi-way valve G 113 through the multi-way valve M 405, and the medium at high pressure and high temperature is discharged from the second exhaust port 101-2, enters the second heat exchanger 202 through the multi-way valve I 103 and the multi-way valve K 105, exchanges heat with the air in the second heat exchanger 202, and is cooled to become medium-temperature liquid heat exchange medium, which enters the third expansion valve 109 through the multi-way valve D 107 to be expanded into medium-temperature gas-liquid two-phase flow, enters the second indoor heat exchanger 301 to be heated to become gaseous, and enters the multi-way valve G 113 through the multi-way valve J 111. The three streams of the heat exchange medium enter the gas-liquid separator 114 through the multi-way valve G 113, and finally return to the suction port 101-3 of the compressor 101 to form a complete cycle.

[0158] The flow of the cooling liquid and the air outside the vehicle is the same as that in mode one.

[0159] The flow of the air inside the vehicle is as follows: the high-temperature air inside the vehicle first flows through the second indoor heat exchanger 301 to be cooled to medium temperature, and then flows through the first indoor heat exchanger 302 to be cooled to low temperature. Therefore, the air and the heat exchange medium in the indoor heat exchange module exchange heat according to the cascade heat exchange mode (high-temperature air-medium-temperature heat exchange medium, medium-temperature air-low-temperature heat exchange medium), which reduces the irreversible loss and is conducive to improving the system energy efficiency.

[0160] Mode three: indoor heating + battery waste heat recovery + motor electric control waste heat recovery. As shown in FIG. 4, in this mode, the flow of the heat exchange medium is as follows: Figure 3As shown, in this mode, the flow of the heat exchange medium is as follows: the medium at medium temperature and pressure is discharged from the first exhaust port 101-1, enters the second indoor heat exchanger 301 through the multi-way valve H 102 and the multi-way valve J 111, is cooled to become low-temperature liquid heat exchange medium in the second indoor heat exchanger 301, and enters the multi-way valve E 110. The heat exchange medium is divided into two paths in the multi-way valve E 110, the first path passes through the third expansion valve 109, is expanded to become low-temperature gas-liquid two-phase flow, enters the second heat exchanger 202 through the multi-way valve D 107, is heated to become gaseous in the second heat exchanger 202, enters the multi-way valve M 405 through the multi-way valve K 105, and the second path enters the first expansion valve 403 through the multi-way valve C 402, is expanded to become low-temperature gas-liquid two-phase flow in the first expansion valve 403, enters the battery heat exchanger 401, is heated to become gaseous in the battery heat exchanger 401, and enters the multi-way valve M 405 through the multi-way valve F 404. The medium at high temperature and pressure is discharged from the second exhaust port 101-2, enters the first indoor heat exchanger 302 through the multi-way valve I 103 and the multi-way valve A 112, is cooled to become medium-temperature liquid heat exchange medium in the first indoor heat exchanger 302, is expanded to become low-temperature gas-liquid two-phase flow through the second expansion valve 108, is divided into two paths in the multi-way valve B 106, the first path enters the first heat exchanger 201 to be heated to become gaseous, and the second path enters the third heat exchanger 508 to be heated to become gaseous, and the two paths of the heat exchange medium are combined in the multi-way valve L 104 and flow into the multi-way valve M 405. The three paths of the heat exchange medium flowing into the multi-way valve M 405 flow into the multi-way valve G 113 and the gas-liquid separator 114 together, and finally return to the suction port 101-3 of the compressor 101 to form a complete cycle.

[0161] The flow of the air in the vehicle is as follows: the low-temperature air in the vehicle first flows through the second indoor heat exchanger 301 to be heated to become medium-temperature air, and then flows through the first indoor heat exchanger 302 to be heated to become high-temperature air. Therefore, the air and the heat exchange medium in the vehicle heat exchange module are exchanged according to the cascade heat exchange mode (low-temperature air-medium-temperature heat exchange medium, medium-temperature air-high-temperature heat exchange medium), which reduces the irreversible loss and is conducive to improving the system energy efficiency.

[0162] The flow of the air outside the vehicle is as follows: the high-temperature air outside the vehicle first flows through the first heat exchanger 201 to be cooled to become medium-temperature air, and then flows through the second heat exchanger 202 to be cooled to become low-temperature air. Therefore, the air and the heat exchange medium in the vehicle heat exchange module are exchanged according to the cascade heat exchange mode (high-temperature air-medium-temperature heat exchange medium, medium-temperature air-low-temperature heat exchange medium), which reduces the irreversible loss and is conducive to improving the system energy efficiency.

[0163] The flow of the cooling liquid is as follows: the cooling liquid flows through the electric control cooling plate 502 and the motor water jacket 503 in turn under the action of the water pump 501 to absorb heat, flows into the third heat exchanger 508 through the multi-way valve N 504 to release heat, and finally returns to the inlet of the water pump 501 through the multi-way valve O 507 to form a complete cycle.

[0164] In the above process, the air conditioning system recovers waste heat from the battery and motor control, effectively improving the system's heating capacity. Furthermore, by diverting the relatively high-temperature heat exchange medium to the plate heat exchanger and the relatively low-temperature heat exchange medium to the battery cold plate, irreversible heat losses in the plate heat exchanger and cold plate are reduced, which also helps improve the overall energy efficiency of the system.

[0165] Mode 4: Car heating + battery preheating. Figure 4 As shown, in this mode, the flow of the heat exchange medium is as follows: the medium-temperature and medium-pressure gaseous heat exchange medium is discharged from the first exhaust port 101-1, enters the second indoor heat exchanger 301 through the multi-way valve H102 and the multi-way valve J111, releases heat in the second indoor heat exchanger 301 to become a low-temperature liquid heat exchange medium, then enters the third expansion valve 109 through the multi-way valve E110, expands into a low-temperature gas-liquid two-phase flow, enters the second heat exchanger 202 through the multi-way valve D107 to absorb heat and become a gas, enters the multi-way valve M405 through the multi-way valve K105, and the high-temperature and high-pressure gaseous heat exchange medium is discharged from the second exhaust port 101-2, enters the multi-way valve A112 through the multi-way valve I103, and is divided into two paths in the multi-way valve A112. The first path enters the first indoor heat exchanger 302, It releases heat in the first indoor heat exchanger 302 to become a medium-temperature liquid heat exchange medium, which is expanded into a low-temperature gas-liquid two-phase flow through the second expansion valve 108 and enters the multi-way valve B106. The second path enters the battery heat exchanger 401 through the multi-way valve F404, releases heat in the battery heat exchanger 401 to become a medium-temperature liquid heat exchange medium, and then expands into a low-temperature gas-liquid two-phase flow through the first expansion valve 403. The heat exchange mediums entering the multi-way valve B106 through the multi-way valve C402 merge and then enter the first heat exchanger 201 to absorb heat and become a gaseous heat exchange medium. It enters the multi-way valve M405 through the multi-way valve L104. The heat exchange media entering the multi-way valve M405 from two paths merge and then return to the suction port 101-3 of the compressor 101 through the multi-way valve G113 and the gas-liquid separator 114, forming a complete cycle.

[0166] The air flow inside and outside the vehicle is the same as in mode 3.

[0167] In this mode, the motor electronic control cooling / waste heat recovery module is not started.

[0168] Mode 5: Dehumidification in the car. Figure 5As shown, in this mode, the flow of heat transfer medium is as follows: the medium of medium temperature and medium pressure is discharged from the first exhaust port 101-1, enters the multi-way valve H 102, the multi-way valve L 104, the multi-way valve M 405, the multi-way valve F 404, and the multi-way valve A 112; the medium of high temperature and high pressure is discharged from the second exhaust port 101-2, enters the multi-way valve I 103, and the multi-way valve A 112; the above two routes of heat transfer medium are combined in the multi-way valve A 112, and then enter the first indoor heat exchanger 302, become medium temperature liquid heat transfer medium by heat release, become low temperature gas-liquid two-phase flow after expansion by the second expansion valve 108, enter the second indoor heat exchanger 301 through the multi-way valve B 106, the multi-way valve C 402, and the multi-way valve E 110, become gaseous by heat absorption, return to the suction port 101-3 of the compressor 101 through the multi-way valve J 111, the multi-way valve G 113, and the gas-liquid separator 114, and complete the cycle. In this mode, the second indoor heat exchanger 301 is an evaporator, responsible for air dehumidification, and the first indoor heat exchanger 302 is a condenser, responsible for reheating the cooled indoor air and maintaining the thermal comfort of the vehicle.

[0169] The flow of indoor air is as follows: the air of high relative humidity in the vehicle first flows through the second indoor heat exchanger 301 (evaporator), the water vapor in the air is rapidly condensed on the low-temperature heat exchanger fins, and at the same time the temperature of the air is lowered; the condensed air enters the first indoor heat exchanger 302 (condenser), the temperature rises after heat absorption, and is then transported back to the passenger cabin in the vehicle. In this mode, the air is first cooled and then heated, effectively solving the problem of the decline in thermal comfort in the vehicle in the dehumidification mode of the traditional system.

[0170] Mode six: indoor dehumidification + battery cooling. As shown, Figure 6 As shown, in this mode, the flow of heat transfer medium is as follows: the medium of high temperature and high pressure is discharged from the second exhaust port 101-2, enters the multi-way valve I 103 and the multi-way valve A 112, and enters the first indoor heat exchanger 302; the medium becomes medium temperature liquid heat transfer medium by heat release, becomes low temperature gas-liquid two-phase flow after expansion by the second expansion valve 108, enters the multi-way valve C 402 through the multi-way valve B 106; the heat transfer medium is divided into two routes in the multi-way valve C 402, one route enters the second indoor heat exchanger 301 through the multi-way valve E 110, becomes gaseous by heat absorption, returns to the suction port 101-3 of the compressor 101 through the multi-way valve J 111, the multi-way valve G 113, and the gas-liquid separator 114, and the other route is secondarily expanded through the first expansion valve 403, enters the battery heat exchanger 401, becomes gaseous by heat absorption, enters the multi-way valve M 405 through the multi-way valve F 404, and the medium of medium temperature and medium pressure discharged from the first exhaust port 101-1 does not participate in heat exchange, enters the multi-way valve M 405 through the multi-way valve H 102 and the multi-way valve L 104; the above two routes of gaseous heat transfer medium are combined in the multi-way valve M 405, and then return to the suction port 101-3 of the compressor 101 through the multi-way valve G 113 and the gas-liquid separator 114, and complete the cycle.

[0171] The air flow inside the vehicle is the same as that in mode 5.

[0172] Mode 7: Defrosting the external heat exchanger. Figure 7 As shown, in this mode, the process of the heat exchange medium is as follows: the medium-pressure and medium-temperature gaseous heat exchange medium is discharged from the first exhaust port 101-1, enters the first heat exchanger 201 through the multi-way valve H102 and the multi-way valve L104, exchanges heat with the air in the first heat exchanger 201, releases heat and becomes a low-temperature liquid heat exchange medium, enters the second expansion valve 108 through the multi-way valve B106, expands into a low-temperature gas-liquid two-phase flow in the second expansion valve 108, enters the first indoor heat exchanger 302, absorbs heat in the first indoor heat exchanger 302 and becomes a gaseous state, passes through the multi-way valve A112, the multi-way valve F404, The high-pressure, high-temperature gaseous heat exchange medium enters multi-way valve G113 after passing through multi-way valve M405. The high-pressure, high-temperature gaseous heat exchange medium is discharged from second exhaust port 101-2, passes through multi-way valve I103 and multi-way valve K105, enters second heat exchanger 202, exchanges heat with air in second heat exchanger 202, releases heat, and becomes a medium-temperature liquid heat exchange medium. The medium then passes through multi-way valve D107 and enters third expansion valve 109, where it expands into a medium-temperature gas-liquid two-phase flow and enters second indoor heat exchanger 301. There, it absorbs heat and becomes a gaseous phase, passing through multi-way valve J111 and entering multi-way valve G113. Both heat exchange mediums pass through multi-way valve G113 and enter gas-liquid separator 114, ultimately returning to intake port 101-3 of compressor 101, completing the cycle. In this mode, the two heat exchangers outside the vehicle act as condensers, into which medium and high temperature heat exchange media flow. The frost on the heat exchangers is heated and turns into liquid and flows out along the fins, thereby achieving the purpose of defrosting.

[0173] It should be noted that the above modes are the main working modes of the thermal management system provided by this disclosure. Working modes not mentioned in this disclosure but that can be achieved by the thermal management system provided by this disclosure also fall within the scope of protection of this disclosure.

[0174] The preferred embodiments of the present disclosure are described in detail above in conjunction with the accompanying drawings. However, the present disclosure is not limited to the specific details of the above embodiments. Within the technical concept of the present disclosure, various simple modifications can be made to the technical solutions of the present disclosure, and these simple modifications all fall within the scope of protection of the present disclosure.

[0175] It should also be noted that the various specific technical features described in the above specific embodiments can be combined in any appropriate manner without contradiction. In order to avoid unnecessary repetition, the present disclosure will not further describe various possible combinations.

[0176] Furthermore, the various embodiments of the present disclosure can be arbitrarily combined with each other unless they contradict each other, and it should be understood that the same should be construed as being included in the disclosure of the present disclosure.

Claims

1. A thermal management system, characterized in that: The thermal management system comprises: a first heat exchanger; a second heat exchanger; a compressor, wherein the exhaust port of the compressor is adapted to be connected to the first opening of the first heat exchanger, and the exhaust port of the compressor is further adapted to be connected to the first opening of the second heat exchanger, so that the heat exchange medium discharged through the exhaust port of the compressor can exchange heat through the first heat exchanger and the second heat exchanger; The thermal management system further includes a first expansion valve and a battery heat exchanger; The battery heat exchanger is used to exchange heat with the battery, and the first opening of the battery heat exchanger is suitable for being connected to the second opening of the first heat exchanger and the second opening of the second heat exchanger respectively through the first expansion valve; The second opening of the battery heat exchanger is suitable for connecting to the air intake of the compressor; The exhaust port of the compressor includes a first exhaust port and a second exhaust port, and the exhaust pressure of the first exhaust port is lower than the exhaust pressure of the second exhaust port; The first exhaust port is adapted to be connected to the first opening of the first heat exchanger, and the second exhaust port is adapted to be connected to the first opening of the second heat exchanger.

2. The thermal management system according to claim 1, characterized in that The first heat exchanger is an outdoor heat exchanger, and / or the second heat exchanger is an outdoor heat exchanger.

3. The thermal management system according to claim 1, characterized in that The thermal management system further includes a second expansion valve and a first indoor heat exchanger; The first heat exchanger is an outdoor heat exchanger, the second opening of the first heat exchanger is suitable for selectively connecting or closing with the second expansion valve, the second expansion valve is suitable for connecting with the first opening of the first indoor heat exchanger, and the second opening of the first indoor heat exchanger is suitable for selectively connecting or closing with the air intake port.

4. The thermal management system according to claim 3, characterized in that: The thermal management system further includes a third expansion valve and a second indoor heat exchanger; The second heat exchanger is an outdoor heat exchanger, and the second opening of the second heat exchanger is suitable for selectively connecting or closing with the third expansion valve. The third expansion valve is suitable for connecting with the first opening of the second indoor heat exchanger, and the second opening of the second indoor heat exchanger is suitable for selectively connecting or closing with the air intake port.

5. The thermal management system according to claim 4, characterized in that: The first exhaust port is adapted to be selectively connected to or blocked from the second opening of the second indoor heat exchanger, and the first exhaust port is also adapted to be selectively connected to or blocked from the first opening of the first heat exchanger; The air intake port is further adapted to be selectively connected to or blocked from the first opening of the second heat exchanger.

6. The thermal management system according to claim 5, characterized in that: The second exhaust port is adapted to be selectively connected to or blocked from the second opening of the first indoor heat exchanger, and the second exhaust port is also adapted to be selectively connected to or blocked from the first opening of the second heat exchanger; The air intake port is adapted to be selectively connected to or blocked from the first opening of the first heat exchanger.

7. The thermal management system according to any one of claims 3 to 6, characterized in that: The second exhaust port is further adapted to be selectively connected to or blocked from the second opening of the battery heat exchanger.

8. The thermal management system according to claim 7, characterized in that: The thermal management system also includes a multi-way valve A, the first port of the multi-way valve A is suitable for connecting to the second exhaust port, the second port of the multi-way valve A is suitable for connecting to the second opening of the first indoor heat exchanger, and the third port of the multi-way valve A is suitable for connecting to the second opening of the battery heat exchanger.

9. The thermal management system according to claim 4, characterized in that: The first exhaust port is further adapted to be selectively connected to or blocked from the second opening of the first indoor heat exchanger, and the first exhaust port is further adapted to be selectively connected to or blocked from the first opening of the first heat exchanger; The second exhaust port is further adapted to be selectively connected to or blocked from the second opening of the first indoor heat exchanger, and the second exhaust port is further adapted to be selectively connected to or blocked from the first opening of the second heat exchanger; The second expansion valve is further adapted to be selectively connected to or blocked from the first opening of the second indoor heat exchanger.

10. The thermal management system according to claim 9, characterized in that: The thermal management system also includes a multi-way valve B and a multi-way valve C. The first opening of the first indoor heat exchanger is connected to the first port of the multi-way valve B through the second expansion valve, the second port of the multi-way valve B is connected to the second opening of the first heat exchanger, the third port of the multi-way valve B is connected to the first port of the multi-way valve C, the second port of the multi-way valve C is connected to the first opening of the battery heat exchanger through the first expansion valve, and the third port of the multi-way valve C is connected to the first opening of the second indoor heat exchanger.

11. The thermal management system according to claim 4, wherein: The first exhaust port is also suitable for selectively connecting or disconnecting with the air intake port; The second exhaust port is further adapted to be selectively connected to or blocked from the second opening of the first indoor heat exchanger, and the second exhaust port is further adapted to be selectively connected to or blocked from the first opening of the second heat exchanger; The second expansion valve is further adapted to be selectively connected to or blocked from the first opening of the second indoor heat exchanger, and the second expansion valve is further adapted to be selectively connected to or blocked from the first opening of the battery heat exchanger through the first expansion valve.

12. The thermal management system according to any one of claims 1 to 6 or 8 to 11, characterized in that: The thermal management system further includes a first fan, and the first fan is configured to blow out wind that can pass through the first heat exchanger and the second heat exchanger in sequence.

13. The thermal management system according to any one of claims 1 to 6 or 8 to 11, characterized in that: The battery heat exchanger is a direct cooling and direct heating heat exchanger.

14. The thermal management system according to claim 4, wherein: The thermal management system further includes a second fan, and the second fan is configured to blow wind that can sequentially pass through the second indoor heat exchanger and the first indoor heat exchanger.

15. The thermal management system according to any one of claims 1 to 6 or 8 to 11, characterized in that: The thermal management system further includes a gas-liquid separator, which is used to separate the heat exchange medium into gas and liquid before entering the air intake of the compressor.

16. The thermal management system according to claim 15, wherein: The compressor is a single-suction double-row compressor, and the gas-liquid separator is arranged upstream of the suction port of the single-suction double-row compressor.

17. The thermal management system according to claim 6, wherein: The thermal management system further includes a motor electronic control unit and a third heat exchanger; The heat exchange medium flowing out of the first opening of the first indoor heat exchanger and passing through the second expansion valve is suitable for exchanging heat with the motor electronic control unit through the third heat exchanger.

18. The thermal management system according to claim 17, wherein: The motor electronic control unit further includes a water pump, a motor electronic control module and a fourth heat exchanger; The motor electronic control unit includes a first coolant flow path, a second coolant flow path and a third coolant flow path; The first end of the first coolant flow path is selectively connected to the first end of the second coolant flow path or the first end of the third coolant flow path, and the second end of the first coolant flow path is selectively connected to the second end of the second coolant flow path or the second end of the third coolant flow path; The water pump and the motor electronic control module are connected in series on the first coolant flow path, the fourth heat exchanger is arranged on the second coolant flow path, and the third heat exchanger is arranged on the third coolant flow path.

19. The thermal management system according to claim 18, wherein: The thermal management system further includes a third fan, which is used to blow air to the fourth heat exchanger.

20. The thermal management system according to claim 18, wherein: The thermal management system further includes a first fan, which is configured to blow out wind that can sequentially pass through the first heat exchanger, the second heat exchanger, and the fourth heat exchanger.

21. A terminal device, characterized in that: Comprising a thermal management system according to any one of claims 1-20.

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