Thermal management system

Abstract

The heat management system comprises a compressor, a condenser, a first throttling element, an evaporator, a liquid cooling piece, an air cooler assembly and a first valve, the evaporator comprises a first channel and a second channel, the first channel and the second channel can exchange heat, and the compressor, the condenser, the first throttling element and the first channel are communicated. The liquid cooling piece is provided with a liquid inlet and a liquid outlet, the air cooler assembly is provided with a first inlet and a first outlet, the first valve comprises a first opening, a second opening and a third opening, the first opening is communicated with the liquid outlet, the second opening is communicated with the second channel, and the third opening is communicated with the first inlet. The thermal management system provided by the embodiment of the utility model has the advantages of simple and convenient operation process and cost saving.

Description

Technical Field

[0001] The utility model relates to the technical field of heat dissipation, and in particular to a thermal management system. Background Art

[0002] As the power of charging piles increases, the heat dissipation of charging piles has gradually changed from air cooling to liquid cooling, which has a better cooling effect. At the same time, in order to save energy efficiency, some cooling systems can switch between natural cooling mode and compression-compression cooling mode according to changes in ambient temperature. However, in related technologies, mode switching requires the use of complex four-way valves or even eight-way valves, which makes the system design complicated and the cost high. Utility Model Content

[0003] The present utility model is based on the discovery and recognition of the following facts and problems by the utility model author:

[0004] The utility model aims to solve one of the technical problems in the related art at least to a certain extent. To this end, the embodiment of the utility model proposes a thermal management system, including

[0005] A compressor, a condenser and a first throttling element;

[0006] an evaporator, the evaporator comprising a first channel and a second channel, the first channel and the second channel being capable of exchanging heat, the compressor, the condenser, the first throttling element and the first channel being in communication;

[0007] A liquid cooling element, wherein the liquid cooling element has a liquid inlet and a liquid outlet;

[0008] an air cooler assembly having a first inlet and a first outlet;

[0009] The first valve comprises a first port, a second port and a third port, the first port is communicated with the liquid outlet, the second port is communicated with the second channel, and the third port is communicated with the first inlet.

[0010] The thermal management system of the embodiment of the utility model can quickly and conveniently change the flow path in the system by setting the first valve, so that the thermal management system can be easily switched between different modes. The operation process is simple and convenient, and the design of the entire system is simplified, saving costs.

[0011] The embodiment of the utility model also discloses another thermal management system, including

[0012] A compressor, a condenser and a first throttling element;

[0013] an evaporator, the evaporator comprising a first channel and a second channel, the first channel and the second channel being capable of exchanging heat, the compressor, the condenser, the first throttling element and the first channel being in communication;

[0014] A liquid cooling element, wherein the liquid cooling element has a liquid inlet and a liquid outlet;

[0015] an air cooler assembly having a first inlet and a first outlet;

[0016] a third valve, the third valve being in communication with the first inlet and the liquid outlet;

[0017] A fourth valve is connected to the liquid outlet and the second channel.

[0018] The thermal management system of another embodiment of the utility model can quickly and conveniently change the flow path in the system by setting the third valve and the fourth valve, so that the thermal management system is easy to switch between different modes, and the operation process is simple and convenient. Compared with the four-way valve or even eight-way valve solutions in the related art, the design of the entire system is simplified and the cost is saved. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 Schematic diagram of a thermal management system according to an embodiment of the present invention.

[0020] Figure 2 Schematic diagram of a thermal management system according to an embodiment of the present invention.

[0021] Figure 3 It is a schematic diagram of a thermal management system according to another embodiment of the present utility model.

[0022] Figure 4 It is a schematic diagram of a thermal management system according to another embodiment of the present utility model.

[0023] Figure numerals: 11, compressor; 12, condenser; 13, first throttling element; 14, evaporator; 15, liquid cooling element; 151, liquid inlet; 152, liquid outlet; 16, air cooler assembly; 161, first inlet; 162, first outlet; 17, second throttling element; 18, dehumidification element; 21, first valve; 211, first port; 212, second port; 213, third port; 22, second valve; 221, fourth port; 222, fifth port; 223, sixth port; 23, third valve; 24, fourth valve; 25, fifth valve; 26, sixth valve; 31, first circuit; 32, second circuit; 41, drying and filtration device; 51, water tank; 511, liquid level meter; 512, exhaust valve; 52, Y-type filter; 53, first circulating water pump; 54, first water pressure sensor; 55, first liquid inlet temperature sensor; 56, first liquid outlet temperature sensor; 57, second liquid inlet temperature sensor; 58, second liquid outlet temperature sensor; 61, exhaust temperature sensor; 62, exhaust pressure sensor; 63, suction temperature sensor; 64, suction pressure sensor; 71, first pipeline; 72, second pipeline; 73, third pipeline; 81, ambient temperature sensor; 82, second circulating water pump; 83, second water pressure sensor; 84, temperature and humidity sensor. DETAILED DESCRIPTION

[0024] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and intended to be used to explain the present invention, but cannot be understood as limiting the present invention.

[0025] like Figure 1 As shown, an embodiment of the utility model proposes a thermal management system including a compressor 11, a condenser 12, a first throttling element 13, an evaporator 14, a liquid cooling element 15, an air cooler assembly 16 and a first valve 21. The evaporator 14 includes a first channel (not shown) and a second channel (not shown), the first channel and the second channel can exchange heat, and the compressor 11, the condenser 12, the first throttling element 13 and the first channel are connected. The liquid cooling element 15 has a liquid inlet 151 and a liquid outlet 152. The air cooler assembly 16 has a first inlet 161 and a first outlet 162. The first valve 21 includes a first port 211, a second port 212 and a third port 213, the first port 211 is connected to the liquid outlet 152, the second port 212 is connected to the second channel, and the third port 213 is connected to the first inlet 161.

[0026] Specifically, the side of the compressor 11 adjacent to the condenser 12 is the exhaust side, and the side of the compressor 11 adjacent to the evaporator 14 is the suction side. The first valve 21 is a three-way valve.

[0027] The thermal management system of the embodiment of the utility model can quickly and conveniently change the flow path in the system by setting the first valve 21, so that the thermal management system can be easily switched between different modes. The operation process is simple and convenient, and the design of the entire system is simplified, saving costs.

[0028] In some embodiments, the thermal management system of the utility model embodiment includes a first circuit 31 and a drying filter 41. The compressor 11, the condenser 12, the first throttling element 13 and the evaporator 14 are arranged on the first circuit 31, the first channel is connected to the first circuit 31, the first circuit 31 has a refrigerant, and the drying filter 41 is arranged between the condenser 12 and the first throttling element 13.

[0029] In some embodiments, the thermal management system of the utility model embodiment further includes a second circuit 32, the evaporator 14 and the liquid cooling element 15 are arranged on the second circuit 32, and the second channel is connected to the second circuit 32. The second circuit 32 is provided with a water tank 51, a Y-type filter 52, a first circulating water pump 53 and a first water pressure sensor 54 in sequence, the second circuit 32 has coolant, the water tank 51 is adjacent to the liquid outlet 152, and the water pressure filter is adjacent to the first valve 21.

[0030] The second circuit 32 is also provided with a first liquid inlet temperature sensor 55 and a first liquid outlet temperature sensor 56. The first liquid inlet temperature sensor 55 is adjacent to the liquid inlet 151, and the first liquid outlet temperature sensor 56 is adjacent to the liquid outlet 152. The first liquid inlet temperature sensor 55 and the first liquid outlet temperature sensor 56 are used to monitor the temperature of the coolant in the second circuit 32.

[0031] Specifically, the water tank 51 contains water, and the water tank 51 plays the role of adjusting the coolant capacity and exhaust in the second loop 32. The water tank 51 is provided with a liquid level gauge 511 and an exhaust valve 512. The first circulating water pump 53 is used to pump the water in the water tank 51 into the second loop 32 and circulate it in the second loop 32. The Y-type filter 52 is used to filter the coolant in the second loop 32 to prevent impurities from flowing in the second loop 32 and causing blockage. The first water pressure sensor 54 is used to monitor the pressure of the coolant in the second loop 32.

[0032] In some embodiments, the thermal management system of the embodiment of the utility model further includes an exhaust temperature sensor 61, an exhaust pressure sensor 62, an intake temperature sensor 63 and an intake pressure sensor 64. The exhaust temperature sensor 61 and the exhaust pressure sensor 62 are arranged between the compressor 11 and the condenser 12, and the exhaust temperature sensor 61 is adjacent to the compressor 11. The intake temperature sensor 63 and the intake pressure sensor 64 are arranged between the compressor 11 and the evaporator 14, and the intake pressure sensor 64 is adjacent to the compressor 11.

[0033] In some embodiments, the thermal management system includes a compression cooling mode and a natural cooling mode. In the compression cooling mode, the first port 211 and the second port 212 are in an open state, the third port 213 is in a closed state, the compressor 11, the condenser 12, the first throttling element 13 and the first channel are connected, and the second channel and the liquid cooling element 15 are connected.

[0034] Specifically, in the compression refrigeration mode, the refrigerant in the first circuit 31 and the coolant in the second circuit 32 perform heat exchange in the evaporator 14 to reduce the temperature of the coolant in the second circuit 32, and the coolant in the second circuit 32 flows into the liquid cooling element 15 to cool the thermal management system.

[0035] In the natural cooling mode, the first port 211 and the third port 213 are in an open state, the second port 212 is in a closed state, the first inlet 161 is connected to the liquid outlet 152, and the first outlet 162 is connected to the liquid inlet 151. The water in the water tank 51 is pumped into the air cooler assembly 16 by the first circulating water pump 53 for natural cooling, and the cooled water enters the liquid cooling element 15 through the liquid inlet 151 to cool the thermal management system naturally.

[0036] In some embodiments, the thermal management system further includes an ambient temperature sensor 81, which is disposed at the air cooler assembly 16 and is used to monitor the ambient temperature. When the ambient temperature sensor 81 detects that the ambient temperature is low, the natural cooling mode of the system is turned on.

[0037] In some embodiments, the thermal management system further includes a second throttling element 17 and a dehumidifying element 18. The second throttling element 17 connects the condenser 12 and the dehumidifying element 18. The dehumidifying element 18 connects the suction side of the compressor 11. Specifically, the dehumidifying element 18 includes a dehumidifying heat exchanger and a dehumidifying fan.

[0038] The thermal management system also includes a dehumidification mode. In the dehumidification mode, the first throttling element 13 is closed, the compressor 11 , the condenser 12 , the second throttling element 17 and the dehumidifying element 18 are connected in sequence, and the dehumidifying element 18 is connected to the compressor 11 .

[0039] In some embodiments, Figure 2 As shown, the thermal management system of the embodiment of the utility model includes a first pipeline 71, one end of the first pipeline 71 is connected to the third port 213, the other end of the first pipeline 71 is connected to the liquid inlet 151, and the air cooler assembly 16 is arranged on the first pipeline 71. A second liquid inlet temperature sensor 57 and a second liquid outlet temperature sensor 58 are arranged on the first pipeline 71, the second liquid inlet temperature sensor 57 is adjacent to the first inlet 161, and the second liquid outlet temperature sensor 58 is adjacent to the first outlet 162, and the second liquid inlet temperature sensor 57 and the second liquid outlet temperature sensor 58 are used to monitor the temperature of the coolant in the first pipeline 71.

[0040] In some embodiments, Figure 2 As shown, the condenser 12 includes a third channel (not shown) and a fourth channel (not shown), the third channel is connected to the compressor 11, and the third channel and the fourth channel can exchange heat. The thermal management system also includes a second valve 22, the second valve 22 has a fourth port 221, a fifth port 222 and a sixth port 223, the fourth port 221 is connected to the first outlet 162, the fifth port 222 is connected to the fourth channel, and the sixth port 223 is connected to the liquid inlet 151. Specifically, the second valve 22 is arranged between the air cooler assembly 16 and the liquid inlet 151, the other end of the first pipeline 71 is connected to the fourth port 221, and the sixth port 223 is connected to the liquid inlet 151. The design of the double plate exchange makes the system more energy efficient and has a better heat exchange effect.

[0041] In some embodiments, the thermal management system of the present invention further includes a second pipeline 72 , one end of the second pipeline 72 is connected to the third port 213 , the other end of the second pipeline 72 is connected to the fifth port 222 , and the second pipeline 72 has coolant in it.

[0042] The thermal management system of the embodiment of the utility model has more different modes by setting the first valve 21 and the second valve 22, and the switching between different modes is fast and convenient, and the operation process is simple. Compared with the prior art, the design of the entire system is simplified and the cost is saved.

[0043] In some embodiments, the thermal management system also includes a second circulating water pump 82 and a second water pressure sensor 83. The second circulating water pump 82 and the second water pressure sensor 83 are arranged on the first pipeline 71 and are located between the air cooler assembly 16 and the liquid inlet 151. The second circulating water pump 82 is adjacent to the air cooler assembly 16.

[0044] In some embodiments, the thermal management system has a compression cooling mode and a free cooling mode.

[0045] In the compression refrigeration mode, the first port 211 and the second port 212 are in an open state, the third port 213 is in a closed state, the fourth port 221 and the fifth port 222 are in an open state, and the sixth port 223 is in a closed state. The third channel of the compressor 11 and the condenser 12, the first throttling element 13 and the first channel are connected, the second channel and the liquid cooling part 15 are connected, and the air cooler assembly 16 is connected to the fourth channel.

[0046] Specifically, in the compression refrigeration mode, the first pipeline 71 and the second pipeline 72 are connected, and the coolant in the second pipeline 72 flows in the second pipeline 72 and the first pipeline 71, and is cooled by the air cooler assembly 16. The coolant in the second pipeline 72 exchanges heat with the refrigerant in the first loop 31 through the condenser 12 to cool the refrigerant in the first loop 31. The refrigerant in the first loop 31 and the coolant in the second loop 32 exchange heat in the evaporator 14 to reduce the temperature of the coolant in the second loop 32, thereby cooling the thermal management system, and the operation process is convenient and simple.

[0047] In the natural cooling mode, the first port 211 and the third port 213 are in an open state, the second port 212 is in a closed state, the fourth port 221 and the sixth port 223 are in an open state, the fifth port 222 is in a closed state, the first inlet 161 is connected to the liquid outlet 152, and the first outlet 162 is connected to the liquid inlet 151.

[0048] Specifically, in the natural cooling mode, the first circulating water pump 53 and the second circulating water pump 82 operate simultaneously, the coolant in the second loop 32 flows in the first pipeline 71 and is cooled by the air cooler assembly 16, and then flows to the liquid cooling component 15 to cool the thermal management system. Using the air cooler assembly 16 to cool the coolant not only improves the energy efficiency of the system, but also achieves the goal of energy conservation and emission reduction, and the operation process is convenient and simple.

[0049] In some embodiments, the thermal management system of the utility model embodiment also includes a third pipeline 73, one end of the third pipeline 73 is connected to the drying filter 41, and the other end of the third pipeline 73 is connected to the suction side of the compressor 11, and the second throttling element 17 and the dehumidifying element 18 are arranged on the third pipeline 73, and the second throttling element 17 is located between the drying filter 41 and the dehumidifying element 18.

[0050] The thermal management system also includes a dehumidification mode. In the dehumidification mode, the first throttling element 13 is closed, the compressor 11 , the condenser 12 , the second throttling element 17 and the dehumidifying element 18 are connected in sequence, and the dehumidifying element 18 is connected to the compressor 11 .

[0051] Specifically, the thermal management system further includes a temperature and humidity sensor 84, which is disposed at the dehumidification component 18 and is used to monitor the temperature and humidity in the system. The temperature and humidity sensor 84 is provided with a first limit value, and when the monitoring value of the temperature and humidity sensor 84 is greater than the first limit value, the dehumidification mode is started, and when the monitoring value of the temperature and humidity sensor 84 is less than the first limit value, the dehumidification mode is stopped.

[0052] In the dehumidification mode, the first throttling element 13 is closed, the second throttling element 17 is opened, the second circulating water pump 82 is turned on, and the coolant in the second pipeline 72 flows in the second pipeline 72 and the first pipeline 71 and is cooled by the air cooler assembly 16. The coolant in the second pipeline 72 exchanges heat with the refrigerant in the third channel through the condenser 12 to cool the refrigerant in the third channel. The refrigerant in the third channel flows into the dehumidification element 18 through the third pipeline 73 to cool and dehumidify the air in the system. When the monitoring value of the temperature and humidity sensor 84 is lower than the first limit value, the dehumidification mode is closed.

[0053] like Figure 3 As shown, an embodiment of the utility model also discloses another thermal management system, including a compressor 11, a condenser 12 and a first throttling element 13, an evaporator 14, a liquid cooling element 15, an air cooler assembly 16, a third valve 23 and a fourth valve 24. The evaporator 14 includes a first channel (not shown) and a second channel (not shown), the first channel and the second channel can exchange heat, and the compressor 11, the condenser 12, the first throttling element 13 and the first channel are connected. The liquid cooling element 15 has a liquid inlet 151 and a liquid outlet 152. The air cooler assembly 16 has a first inlet 161 and a first outlet 162. The third valve 23 is connected to the first inlet 161 and the liquid outlet 152. The fourth valve 24 is connected to the liquid outlet 152 and the second channel.

[0054] Specifically, one end of the first pipeline 71 is connected to the first water pressure sensor 54, and the other end of the first pipeline 71 is connected to the liquid inlet 151. The third valve 23 is provided on the first pipeline 71 and is located between the first water pressure sensor 54 and the first inlet 161 of the air cooler assembly 16. The fourth valve 24 is provided on the second circuit 32 and is located between the first water pressure sensor 54 and the second channel.

[0055] The thermal management system of another embodiment of the utility model can quickly and conveniently change the flow path in the system by setting the third valve 23 and the fourth valve 24, so that the thermal management system is easy to switch between different modes, and the operation process is simple and convenient. Compared with the four-way valve or even eight-way valve solutions in the related art, the design of the entire system is simplified and the cost is saved.

[0056] In some embodiments, the thermal management system includes a compression cooling mode and a natural cooling mode. In the compression cooling mode, the third valve 23 is in a closed state, the fourth valve 24 is in an open state, the compressor 11, the condenser 12, the first throttling element 13 and the first channel are connected, and the second channel is connected to the liquid cooling part 15. In the natural cooling mode, the third valve 23 is in an open state, the fourth valve 24 is in a closed state, and the air cooler assembly 16 is connected to the liquid cooling part 15.

[0057] like Figure 4As shown, in some embodiments, the condenser 12 includes a third channel (not shown) and a fourth channel (not shown), the third channel is connected to the compressor 11, and the third channel and the fourth channel can exchange heat.

[0058] The thermal management system further includes a fifth valve 25 and a sixth valve 26. The fifth valve 25 is connected to the air cooler assembly 16 and the liquid inlet 151. The sixth valve 26 is connected to the air cooler assembly 16 and the fourth channel. Specifically, the fifth valve 25 is arranged on the first pipeline 71 and is located between the second circulating water pump 82 and the liquid inlet 151. One end of the second pipeline 72 is connected to the first water pressure sensor 54, the other end of the second pipeline 72 is connected to the first pipeline 71 and is located between the fifth valve 25 and the second water pressure sensor 83, and the sixth valve 26 is arranged on the second pipeline 72 and is located between the other end of the second pipeline 72 and the fourth channel.

[0059] In some embodiments, the thermal management system includes a compression cooling mode and a natural cooling mode. In the compression cooling mode, the third valve 23 is in a closed state, the fourth valve 24 is in an open state, the fifth valve 25 is in a closed state, the sixth valve 26 is in an open state, the compressor 11, the condenser 12, the first throttling element 13 and the first channel are connected, the second channel and the liquid cooling part 15 are connected, and the air cooler assembly 16 is connected to the fourth channel. In the natural cooling mode, the third valve 23 is in an open state, the fourth valve 24 is in a closed state, the fifth valve 25 is in an open state, the sixth valve 26 is in a closed state, and the air cooler assembly 16 is in a closed state and the liquid cooling part 15 is connected.

[0060] In some embodiments, the thermal management system further includes a second throttling element 17 and a dehumidifying element 18, wherein the second throttling element 17 is connected to the condenser 12 and the dehumidifying element 18, and the dehumidifying element 18 is connected to the suction side of the compressor 11. The thermal management system further includes a dehumidification mode, in which the first throttling element 13 is closed, the compressor 11, the condenser 12, the second throttling element 17 and the dehumidifying element 18 are connected in sequence, and the dehumidifying element 18 is connected to the compressor 11.

[0061] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0062] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present utility model, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0063] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral one; it can be a mechanical connection, an electrical connection, or communication with each other; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0064] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0065] In the present utility model, the terms "one embodiment", "some embodiments", "examples", "specific examples", or "some examples" etc. mean that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present utility model. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the described specific features, structures, materials or characteristics may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, without contradiction.

[0066] Although the above embodiments have been shown and described, it is to be understood that the above embodiments are illustrative and cannot be construed as limitations on the present invention. Changes, modifications, substitutions and variations of the above embodiments by those of ordinary skill in the art are all within the scope of protection of the present invention.

Claims

1. A thermal management system, characterized in that: include A compressor (11), a condenser (12) and a first throttling element (13); an evaporator (14), the evaporator (14) comprising a first channel and a second channel, the first channel and the second channel being capable of exchanging heat, the compressor (11), the condenser (12), the first throttling element (13) and the first channel being in communication; A liquid cooling element (15), wherein the liquid cooling element (15) has a liquid inlet (151) and a liquid outlet (152); An air cooler assembly (16), the air cooler assembly (16) having a first inlet (161) and a first outlet (162); A first valve (21), the first valve (21) comprising a first port (211), a second port (212) and a third port (213), the first port (211) being in communication with the liquid outlet (152), the second port (212) being in communication with the second channel, and the third port (213) being in communication with the first inlet (161).

2. The thermal management system according to claim 1, characterized in that: The thermal management system includes a compression cooling mode and a natural cooling mode. In the compression refrigeration mode, the first port (211) and the second port (212) are in an open state, the third port (213) is in a closed state, the compressor (11), the condenser (12), the first throttling element (13) and the first channel are in communication, and the second channel is in communication with the liquid cooling element (15); In the natural cooling mode, the first port (211) and the third port (213) are in an open state, the second port (212) is in a closed state, and the air cooler assembly (16) and the liquid cooling element (15) are in communication.

3. The thermal management system according to claim 1, characterized in that: The condenser (12) comprises a third channel and a fourth channel, the third channel is connected to the compressor (11), and the third channel and the fourth channel are capable of exchanging heat; The thermal management system further comprises a second valve (22), the second valve (22) having a fourth port (221), a fifth port (222) and a sixth port (223), the fourth port (221) being in communication with the first outlet (162), the fifth port (222) being in communication with the fourth channel, and the sixth port (223) being in communication with the liquid inlet (151).

4. The thermal management system according to claim 3, characterized in that: The thermal management system has a compression cooling mode and a natural cooling mode. In the compression refrigeration mode, the first port (211) and the second port (212) are in an open state, the third port (213) is in a closed state, the fourth port (221) and the fifth port (222) are in an open state, the sixth port (223) is in a closed state, the compressor (11), the condenser (12), the first throttling element (13) and the first channel are in communication, the second channel is in communication with the liquid cooling element (15), and the air cooler assembly (16) is in communication with the fourth channel; In the natural cooling mode, the first port (211) and the third port (213) are in an open state, the second port (212) is in a closed state, the fourth port (221) and the sixth port (223) are in an open state, the fifth port (222) is in a closed state, the first inlet (161) and the liquid outlet (152) are in communication, and the first outlet (162) is in communication with the liquid inlet (151).

5. The thermal management system according to claim 2 or 4, characterized in that: It also includes a second throttling element (17) and a dehumidifying element (18), wherein the second throttling element (17) is connected to the condenser (12) and the dehumidifying element (18), and the dehumidifying element (18) is connected to the suction side of the compressor (11); The thermal management system also includes a dehumidification mode, in which the first throttling element (13) is closed, the compressor (11), the condenser (12), the second throttling element (17) and the dehumidifying element (18) are connected in sequence, and the dehumidifying element (18) is connected to the compressor (11).

6. A thermal management system, characterized in that: include A compressor (11), a condenser (12) and a first throttling element (13); an evaporator (14), the evaporator (14) comprising a first channel and a second channel, the first channel and the second channel being capable of exchanging heat, the compressor (11), the condenser (12), the first throttling element (13) and the first channel being in communication; A liquid cooling element (15), wherein the liquid cooling element (15) has a liquid inlet (151) and a liquid outlet (152); An air cooler assembly (16), the air cooler assembly (16) having a first inlet (161) and a first outlet (162); a third valve (23), the third valve (23) being in communication with the first inlet (161) and the liquid outlet (152); A fourth valve (24), the fourth valve (24) being in communication with the liquid outlet (152) and the second channel.

7. The thermal management system according to claim 6, characterized in that: The thermal management system includes a compression cooling mode and a natural cooling mode. In the compression refrigeration mode, the third valve (23) is in a closed state, the fourth valve (24) is in an open state, the compressor (11), the condenser (12), the first throttling element (13) and the first channel are in communication, and the second channel is in communication with the liquid cooling element (15); In the natural cooling mode, the third valve (23) is in an open state, the fourth valve (24) is in a closed state, and the air cooler assembly (16) and the liquid cooling element (15) are in communication.

8. The thermal management system according to claim 6, characterized in that: The condenser (12) comprises a third channel and a fourth channel, the third channel is in communication with the compressor (11), and the third channel and the fourth channel are capable of exchanging heat; The thermal management system further comprises: a fifth valve (25), the fifth valve (25) being in communication with the air cooler assembly (16) and the liquid inlet (151); A sixth valve (26), the sixth valve (26) connecting the air cooler assembly (16) and the fourth channel.

9. The thermal management system according to claim 8, characterized in that: The thermal management system includes a compression cooling mode and a natural cooling mode. In the compression refrigeration mode, the third valve (23) is in a closed state, the fourth valve (24) is in an open state, the fifth valve (25) is in a closed state, the sixth valve (26) is in an open state, the compressor (11), the condenser (12), the first throttling element (13) and the first channel are in communication, the second channel is in communication with the liquid cooling element (15), and the air cooler assembly (16) is in communication with the fourth channel; In the natural cooling mode, the third valve (23) is in an open state, the fourth valve (24) is in a closed state, the fifth valve (25) is in an open state, the sixth valve (26) is in a closed state, and the air cooler assembly (16) and the liquid cooling element (15) are connected.

10. The thermal management system according to claim 7 or 9, characterized in that: It also includes a second throttling element (17) and a dehumidifying element (18), wherein the second throttling element (17) is connected to the condenser (12) and the dehumidifying element (18), and the dehumidifying element (18) is connected to the suction side of the compressor (11); The thermal management system also includes a dehumidification mode, in which the first throttling element (13) is closed, the compressor (11), the condenser (12), the second throttling element (17) and the dehumidifying element (18) are connected in sequence, and the dehumidifying element (18) is connected to the compressor (11).

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