Thermal management system, vehicle-mounted refrigerator and vehicle

Abstract

The invention discloses a heat management system, a vehicle-mounted refrigerator and a vehicle, relates to the technical field of vehicles, and aims at solving the problem that the refrigeration effect of a refrigerator is poor. The thermal management system comprises a compressor, a first condenser and at least one vehicle-mounted refrigerator. An inlet of the first condenser communicates with an outlet of the compressor. The vehicle-mounted refrigerator comprises a direct heat exchanger and a cold accumulation heat exchanger. An outlet of the first condenser communicates with a first port of the cold accumulation heat exchanger and communicates with a first port of the direct heat exchanger. An inlet of the compressor communicates with a second port of the cold accumulation heat exchanger and communicates with a second port of the direct heat exchanger.

Description

Technical Field

[0001] The present invention relates to the field of vehicle technology, and in particular to a thermal management system, a vehicle refrigerator and a vehicle. Background Art

[0002] With the improvement of people's living standards and the development of the automobile industry, people's demand for car refrigerators is also increasing. In general, a cold storage heat exchanger and a direct heat exchanger are set in the refrigerator, and the two are set in series. When the refrigerator is working, the cold storage heat exchanger and the direct heat exchanger heat or cool the inside of the refrigerator at the same time. When the refrigerator is powered off, the cold stored in the cold storage heat exchanger continues to refrigerate the drinks.

[0003] However, since the cold storage heat exchanger and the direct heat exchanger are arranged in series, during the operation of the refrigerator, the refrigerant can only pass through the cold storage heat exchanger and the direct heat exchanger at the same time, which will affect the operation effect of the refrigerator. Summary of the invention

[0004] The object of the present invention is to provide a thermal management system, a vehicle refrigerator and a vehicle, aiming to solve the problem of poor refrigeration effect of the refrigerator.

[0005] In order to achieve the above object, the present invention adopts the following technical scheme:

[0006] In a first aspect of the present application, a thermal management system is provided, including a compressor, a first condenser, and at least one vehicle refrigerator. The inlet of the first condenser is connected to the outlet of the compressor. The vehicle refrigerator includes a direct heat exchanger and a cold storage heat exchanger. The outlet of the first condenser is connected to the first port of the cold storage heat exchanger and to the first port of the direct heat exchanger. The inlet of the compressor is connected to the second port of the cold storage heat exchanger and to the second port of the direct heat exchanger.

[0007] Through the above-mentioned arrangement, during the operation of the compressor, the gaseous refrigerant flowing out from the outlet of the compressor will first release heat in the first condenser and be converted into liquid refrigerant, and then part of it will flow into the direct heat exchanger and the other part will flow into the cold storage heat exchanger, and absorb heat in the direct heat exchanger and the cold storage heat exchanger, thereby realizing the refrigeration function of the vehicle refrigerator.

[0008] In this way, by setting the direct heat exchanger and the cold storage heat exchanger in parallel, decoupled operation of the direct heat exchanger and the cold storage heat exchanger can be achieved. During the operation of the thermal management system, the direct heat exchanger can be enabled alone, or the cold storage heat exchanger can be enabled alone. This can increase the operating modes of the thermal management system and improve the applicability of the thermal management system and the vehicle refrigerator.

[0009] Furthermore, compared to when the direct heat exchanger and the cold storage heat exchanger are arranged in series, the refrigerant exchanges heat in the direct heat exchanger and in the cold storage heat exchanger. When the direct heat exchanger and the cold storage heat exchanger are connected in parallel, the refrigerant flowing out of the outlet of the first condenser can enter the direct heat exchanger and the cold storage heat exchanger for heat exchange, respectively. This can reduce the magnitude of the flow resistance encountered by the refrigerant when flowing through the direct heat exchanger and the cold storage heat exchanger, thereby reducing the evaporation pressure of the refrigerant and lowering the temperature of the refrigerant, so as to improve the refrigeration effect of the vehicle refrigerator.

[0010] In addition, during the operation of the car refrigerator, since the refrigeration effect of the car refrigerator is better when the direct heat exchanger and the cold storage heat exchanger are connected in parallel, the temperature of the refrigerant flowing out from the second port of the direct heat exchanger and the second port of the cold storage heat exchanger is higher, which can increase the superheat of the second port of the direct heat exchanger and the second port of the cold storage heat exchanger, avoid compressor liquid hammer, and protect the compressor.

[0011] At the same time, since the direct heat exchanger and the cold storage heat exchanger are arranged in parallel, the flow resistance of the refrigerant when flowing through the car refrigerator is relatively small, which can increase the suction pressure of the compressor and reduce the energy consumption of the compressor, thereby improving the working efficiency of the compressor, avoiding excessive load on the compressor, avoiding overheating of the compressor, and further protecting the compressor.

[0012] In some embodiments, the thermal management system further includes a first expansion valve and a second expansion valve. The first port of the first expansion valve is communicated with the outlet of the first condenser, and the second port of the first expansion valve is communicated with the first port of the direct heat exchanger. The first port of the second expansion valve is communicated with the outlet of the first condenser, and the second port of the second expansion valve is communicated with the first port of the cold storage heat exchanger.

[0013] In some embodiments, the thermal management system further includes a first switch valve, a first one-way valve, a second switch valve, an in-vehicle evaporator, and a third switch valve. The inlet of the first switch valve is connected to the outlet of the compressor, and the outlet of the first switch valve is connected to the inlet of the first condenser. The inlet of the first one-way valve is connected to the outlet of the compressor, and the outlet of the first one-way valve is connected to the second port of the direct heat exchanger and the second port of the cold storage heat exchanger. The inlet of the second switch valve is connected to the first port of the direct heat exchanger and the first port of the cold storage heat exchanger. The inlet of the in-vehicle evaporator is connected to the outlet of the second switch valve, and the outlet of the in-vehicle evaporator is connected to the inlet of the compressor. The inlet of the third switch valve is connected to the second port of the cold storage heat exchanger and the second port of the direct heat exchanger. The outlet of the third switch valve is connected to the inlet of the compressor.

[0014] In some embodiments, the thermal management system further includes a fourth switch valve, an inlet of the fourth switch valve being connected to an outlet of the first condenser, an outlet of the fourth switch valve being connected to a first port of the cold storage heat exchanger and to a first port of the direct heat exchanger.

[0015] In some embodiments, the thermal management system further includes a second condenser and a third expansion valve. The inlet of the second condenser is communicated with the outlet of the compressor. The inlet of the third expansion valve is communicated with the outlet of the second condenser. The outlet of the third expansion valve is communicated with the outlet of the second switch valve and is communicated with the inlet of the in-vehicle evaporator.

[0016] In some embodiments, the thermal management system further includes a fifth switch valve and a second one-way valve 125. The inlet of the fifth switch valve is communicated with the outlet of the second condenser. The outlet of the fifth switch valve is communicated with the outlet of the second switch valve and is communicated with the inlet of the in-vehicle evaporator. The inlet of the second one-way valve 125 is communicated with the outlet of the third expansion valve and is communicated with the outlet of the fifth switch valve, and the outlet of the second one-way valve 125 is communicated with the inlet of the fourth switch valve.

[0017] In some embodiments, the thermal management system further includes a third one-way valve, an inlet of the third one-way valve is connected to the outlet of the first condenser, and an outlet of the third one-way valve is connected to the outlet of the second one-way valve 125 .

[0018] In some embodiments, the thermal management system further includes a sixth switch valve, a battery heat exchanger, and a fourth expansion valve. The inlet of the sixth switch valve is communicated with the outlet of the compressor and with the inlet of the second condenser. The first port of the battery heat exchanger is communicated with the outlet of the sixth switch valve. The first port of the fourth expansion valve is communicated with the second port of the battery heat exchanger, and the second port of the fourth expansion valve is communicated with the outlet of the second switch valve and with the inlet of the in-vehicle evaporator.

[0019] In some embodiments, the thermal management system further includes a fourth one-way valve, a fifth one-way valve and a seventh switch valve. The inlet of the fourth one-way valve is connected to the second port of the fourth expansion valve, and the outlet of the fourth one-way valve is connected to the inlet of the in-vehicle evaporator. The inlet of the fifth one-way valve is connected to the outlet of the in-vehicle evaporator. The outlet of the fifth one-way valve is connected to the second port of the fourth expansion valve. The inlet of the seventh switch valve is connected to the outlet of the sixth switch valve, the first port of the battery heat exchanger, and the inlet of the first one-way valve, and the outlet of the seventh switch valve is connected to the inlet of the compressor.

[0020] In some embodiments, the thermal management system further includes a first regulating valve, an inlet of the first regulating valve is communicated with an outlet of the in-vehicle evaporator, and an outlet of the first regulating valve is communicated with an inlet of the compressor.

[0021] In some embodiments, the thermal management system further includes an eighth switch valve, a first port of the eighth switch valve is connected to the outlet of the in-vehicle evaporator, and a second port of the eighth switch valve is connected to the inlet of the fourth switch valve.

[0022] In some embodiments, the thermal management system further includes a fifth expansion valve and an air conditioning evaporator. The inlet of the fifth expansion valve is communicated with the outlet of the first condenser. The inlet of the air conditioning evaporator is communicated with the outlet of the fifth expansion valve, and the outlet of the air conditioning evaporator is communicated with the inlet of the compressor.

[0023] In a second aspect of the present application, a vehicle refrigerator is provided, comprising a housing, a cold storage heat exchanger and a direct heat exchanger. The housing is provided with a receiving cavity for placing articles. The cold storage heat exchanger is arranged in the housing and is capable of exchanging heat with the receiving cavity. The direct heat exchanger is arranged in the housing and is capable of exchanging heat with the receiving cavity. The direct heat exchanger is arranged in parallel with the cold storage heat exchanger.

[0024] In some embodiments, the working state of the vehicle refrigerator includes a first working state. When the vehicle refrigerator is in the first working state, the direct heat exchanger and the cold storage heat exchanger are both in a cooling state, and the direct heat exchanger and the cold storage heat exchanger absorb heat in the accommodating cavity at the same time.

[0025] In some embodiments, the working state of the vehicle refrigerator includes a second working state. When the vehicle refrigerator is in the second working state, the direct heat exchanger is in a cooling state, the cold storage heat exchanger does not work, and the direct heat exchanger absorbs heat in the accommodating cavity.

[0026] In some embodiments, the working state of the vehicle refrigerator includes a third working state. When the vehicle refrigerator is in the third working state, the cold storage heat exchanger is in a cooling state, the direct heat exchanger does not work, and the cold storage heat exchanger absorbs heat in the accommodating cavity.

[0027] In some embodiments, the working state of the vehicle refrigerator includes a fourth working state. When the vehicle refrigerator is in the fourth working state, the direct heat exchanger and the cold storage heat exchanger are both in the heating state, and the direct heat exchanger and the cold storage heat exchanger transfer heat to the accommodating cavity at the same time.

[0028] In some embodiments, the working state of the vehicle refrigerator includes a fifth working state. When the vehicle refrigerator is in the fifth working state, the direct heat exchanger is in a heating state, the cold storage heat exchanger does not work, and the direct heat exchanger transfers heat to the accommodating cavity.

[0029] In some embodiments, the working state of the vehicle refrigerator includes a sixth working state. When the vehicle refrigerator is in the sixth working state, the cold storage heat exchanger is in a heating state, the direct heat exchanger does not work, and the cold storage heat exchanger transfers heat to the accommodating cavity.

[0030] In some embodiments, the cold storage heat exchanger includes a first inlet pipe and a first heat exchange assembly, the inlet of the first inlet pipe is used to connect to the refrigerant outlet of the refrigerant supply device, and the outlet of the first inlet pipe is used to connect to the first heat exchange assembly. The direct heat exchanger includes a second inlet pipe and a second heat exchange assembly, the inlet of the second inlet pipe is used to connect to the refrigerant outlet of the refrigerant supply device, and the outlet of the second inlet pipe is used to connect to the second heat exchange assembly.

[0031] In some embodiments, the shell includes an outer shell and an inner shell, the inner shell is disposed in the outer shell, and a containing cavity is disposed in the inner shell.

[0032] In some embodiments, a second installation cavity is formed between the outer shell and the inner tank, and the direct heat exchanger is disposed in the second installation cavity.

[0033] In some embodiments, part of the accommodating cavity forms a first installation cavity, and the cold storage heat exchanger is disposed in the first installation cavity.

[0034] In some embodiments, the second heat exchange assembly includes at least one first heat exchange member, the first heat exchange member is arranged around the accommodating cavity, a first heat exchange channel is formed in the first heat exchange member, and the inlet of the first heat exchange channel is connected to the outlet of the second inlet pipe.

[0035] In some embodiments, the first heat exchange element is a flat heat exchange tube.

[0036] In some embodiments, there are multiple first heat exchange elements, and the multiple first heat exchange elements are spaced apart along the first direction.

[0037] In some embodiments, the first heat exchange component includes a second heat exchange component, a cold storage component, and a cold storage material. A second heat exchange channel is provided in the second heat exchange component, and the inlet of the second heat exchange channel is connected to the outlet of the first inlet pipeline. A storage space is provided in the cold storage component, and at least part of the second heat exchange component is provided in the storage space. The cold storage material is provided between at least part of the second heat exchange component and the cold storage component.

[0038] In some embodiments, the second heat exchanger includes a coaxial tube, the coaxial tube includes an inner tube and an outer tube. The inlet of the inner tube is connected to the outlet of the first inlet pipe, and the inner tube is provided with a second heat exchange flow channel. The outer tube is sleeved on the inner tube, the outer tube forms a cold storage member, and the cold storage material is provided between the outer wall surface of the inner tube and the inner wall surface of the outer tube.

[0039] In some embodiments, the inner tube includes a plurality of first straight sections and a plurality of first bent sections. The plurality of first straight sections extend in the same direction, and the plurality of first straight sections are arranged along the second direction. For any two adjacent first straight sections, the outlet of one first straight section is connected to the inlet of the other first straight section through a first bent section.

[0040] In some embodiments, the outer tube includes a plurality of second straight sections, and one second straight section is sleeved on one first straight section.

[0041] In some embodiments, the outer tube includes a plurality of second straight sections and a plurality of second bent sections, wherein one second straight section is sleeved on one first straight section, and one second bent section is sleeved on one first bent section.

[0042] In some embodiments, the cold storage heat exchanger further includes a plurality of heat exchange fins, and the plurality of heat exchange fins are connected to the outer wall surface of the outer tube.

[0043] In some embodiments, the heat exchange fins extend along the circumference of the outer tube.

[0044] In some embodiments, the cold storage material includes at least one of an inorganic phase change material, an organic phase change material, and a composite phase change material.

[0045] In some embodiments, the vehicle refrigerator further includes a thermal insulation layer, which is disposed in the second installation cavity and wraps at least a portion of the direct heat exchanger.

[0046] In some embodiments, the material of the thermal insulation layer includes aerogel.

[0047] In some embodiments, the vehicle refrigerator further includes a heating element, which is disposed in the second installation cavity and is thermally connected to the accommodating cavity for heating the accommodating cavity.

[0048] In a third aspect of the present application, a vehicle is provided, comprising a vehicle body. The vehicle further comprises the above-mentioned thermal management system, which is disposed in the vehicle body. Alternatively, the vehicle further comprises the above-mentioned vehicle refrigerator, which is disposed in the vehicle body. BRIEF DESCRIPTION OF THE DRAWINGS

[0049] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0050] Figure 1 is a schematic diagram of the external structure of the vehicle;

[0051] Figure 2 for Figure 1 One of the structural diagrams of the thermal management system;

[0052] Figure 3 for Figure 1 The second structural diagram of the thermal management system;

[0053] Figure 4 for Figure 1The third structural diagram of the thermal management system;

[0054] Figure 5 for Figure 1 Schematic diagram of the structure of the thermal management system (IV);

[0055] Figure 6 for Figure 1 Schematic diagram of the structure of the thermal management system No. 5;

[0056] Figure 7 for Figure 1 Schematic diagram of the structure of the heat management system No. 6;

[0057] Figure 8 for Figure 1 Schematic diagram of the structure of the heat management system No. 7;

[0058] Fig. 9 for Figure 1 Schematic diagram of the structure of the thermal management system No. 8;

[0059] Fig.10 for Figure 1 Schematic diagram of the structure of the heat management system 9;

[0060] Fig.11 for Figure 1 Schematic diagram of the structure of the thermal management system 10;

[0061] Fig.12 for Figure 1 Schematic diagram of the structure of the thermal management system 11;

[0062] Fig.13 for Figure 1 Schematic diagram of the structure of the thermal management system 12;

[0063] Fig.14 for Figure 1 Schematic diagram of the external structure of the vehicle refrigerator in the thermal management system;

[0064] Fig.15 for Fig.14 Schematic diagram of the exploded structure of the vehicle refrigerator;

[0065] Fig.16 for Fig.14 Schematic diagram of the internal structure of the vehicle refrigerator;

[0066] Fig.17 for Fig.15 Schematic diagram of the external structure of the first heat exchange component.

[0067] 1. Vehicle; 100. Thermal management system; 10. Vehicle refrigerator; 1. Shell; 11. Outer shell; 12. Inner liner; 121. First side wall; 13. Accommodation cavity; 14. First installation cavity; 15. Second installation cavity; 2. Cold storage heat exchanger; 21. First inlet pipe; 22. First heat exchange component; 221. Second heat exchange element; 2212. Inner pipe; 22A. First straight section; 22B. First bending section; 2213. Outer pipe; 23A. Second straight section; 23B. Second bending section; 23. First outlet pipe; 24. Heat exchange fin; 3. Direct heat exchanger; 31. Second inlet pipe; 32. Second heat exchange component; 321. First heat exchange element; 3211. Heat exchange flat tube; 33. Second outlet pipe; 4. Insulation layer; 101. Compressor; 102. First cold Condenser; 103, first expansion valve; 104, second expansion valve; 105, first switch valve; 106, first non-return valve; 107, second switch valve; 108, in-vehicle evaporator; 109, third switch valve; 110, fourth switch valve; 111, second condenser; 112, third expansion valve; 113, fifth switch valve; 114, sixth switch valve; 115, battery heat exchanger; 116, fourth expansion valve; 117, fourth non-return valve; 118, fifth non-return valve; 119, seventh switch valve; 120, first regulating valve; 121, eighth switch valve; 122, fifth expansion valve; 123, air-conditioning evaporator; 124, second regulating valve; 125, second non-return valve; 126, third non-return valve; 127, third regulating valve; 200, vehicle body; X, first direction; Y, second direction. DETAILED DESCRIPTION

[0068] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0069] In the description of the present invention, it should be understood that the terms "upper", "lower", "left", "right", "front", "back", "inside", "outside" and the like indicate directions or positional relationships based on the directions or relative positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present invention. Unless otherwise specified, the above-mentioned directional description can be flexibly set in the process of actual application under the condition that the relative positional relationship shown in the accompanying drawings is satisfied.

[0070] 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. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, unless otherwise specified, "plurality" means two or more.

[0071] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection. It can be directly connected, or indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0072] In the embodiments of the present invention, the terms "comprises", "comprising" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, article or device including a series of elements includes not only those elements, but also includes other elements not explicitly listed, or also includes elements inherent to such process, article or device. In the absence of further restrictions, an element defined by the sentence "comprising a ..." does not exclude the presence of other identical elements in the process, article or device including the element.

[0073] In the embodiments of the present invention, words such as "exemplary" or "for example" are used to indicate examples, illustrations or explanations. Any embodiment or design described as "exemplary" or "for example" in the embodiments of the present invention should not be interpreted as being more preferred or more advantageous than other embodiments or designs. Specifically, the use of words such as "exemplary" or "for example" is intended to present related concepts in a specific way.

[0074] In the description of this specification, specific features, structures, materials or characteristics may be combined in an appropriate manner in any one or more embodiments or examples.

[0075] With the improvement of people's living standards and the development of the automobile industry, people's demand for car refrigerators is also increasing.

[0076] Based on this, the present application provides a vehicle 1000, such as Figure 1 As shown, Figure 1 Schematic diagram of the external structure of a vehicle 1000 . The vehicle 1000 includes a vehicle body 200 and a thermal management system 100 . The thermal management system 100 is disposed in the vehicle body 200 .

[0077] like Figure 2 As shown, Figure 2 for Figure 1 One of the structural schematic diagrams of the thermal management system 100 , the thermal management system 100 includes a compressor 101 , a first condenser 102 and a vehicle refrigerator 10 .

[0078] The vehicle refrigerator 10 includes a direct heat exchanger 3 and a cold storage heat exchanger 2 .

[0079] The inlet of the first condenser 102 is communicated with the outlet of the compressor 101. The outlet of the first condenser 102 is communicated with the first port of the cold storage heat exchanger 2 and the first port of the direct heat exchanger 3.

[0080] The inlet of the compressor 101 is communicated with the second port of the cold storage heat exchanger 2 , and is communicated with the second port of the direct heat exchanger 3 .

[0081] It can be understood that the direct heat exchanger 3 and the cold storage heat exchanger 2 are arranged in parallel in the thermal management system 100 .

[0082] Through the above-mentioned arrangement, during the operation of the compressor 101, the gaseous refrigerant flowing out from the outlet of the compressor 101 will first release heat in the first condenser 102 and be converted into liquid refrigerant, and then part of it will flow into the direct heat exchanger 3, and the other part will flow into the cold storage heat exchanger 2, and absorb heat in the direct heat exchanger 3 and the cold storage heat exchanger 2, thereby realizing the refrigeration function of the vehicle refrigerator 10.

[0083] In this way, by arranging the direct heat exchanger 3 and the cold storage heat exchanger 2 in parallel, the decoupled operation of the direct heat exchanger 3 and the cold storage heat exchanger 2 can be achieved. During the operation of the thermal management system 100, the direct heat exchanger 3 can be enabled alone, and the cold storage heat exchanger 2 can also be enabled alone. This can increase the operating modes of the thermal management system 100 and improve the applicability of the thermal management system 100 and the vehicle refrigerator 10.

[0084] Furthermore, compared to when the direct heat exchanger 3 and the cold storage heat exchanger 2 are arranged in series, the refrigerant exchanges heat in the direct heat exchanger 3 and in the cold storage heat exchanger 2. When the direct heat exchanger 3 and the cold storage heat exchanger 2 are connected in parallel, the refrigerant flowing out of the outlet of the first condenser 102 can enter the direct heat exchanger 3 and the cold storage heat exchanger 2 for heat exchange, respectively. This can reduce the flow resistance encountered by the refrigerant when flowing through the direct heat exchanger 3 and the cold storage heat exchanger 2, thereby reducing the evaporation pressure of the refrigerant and reducing the temperature of the refrigerant, so as to improve the refrigeration effect of the vehicle refrigerator 10.

[0085] In addition, during the operation of the vehicle refrigerator 10, since the refrigeration effect of the vehicle refrigerator 10 is better when the direct heat exchanger 3 and the cold storage heat exchanger 2 are connected in parallel, the temperature of the refrigerant flowing out from the second port of the direct heat exchanger 3 and the second port of the cold storage heat exchanger 2 is higher, which can increase the superheat of the second port of the direct heat exchanger 3 and the second port of the cold storage heat exchanger 2, avoid liquid hammer of the compressor 101, and protect the compressor 101.

[0086] At the same time, since the direct heat exchanger 3 and the cold storage heat exchanger 2 are arranged in parallel, the flow resistance of the refrigerant when flowing through the vehicle refrigerator 10 is relatively small, which can increase the suction pressure of the compressor 101 and reduce the energy consumption of the compressor 101, thereby improving the working efficiency of the compressor 101, avoiding excessive load on the compressor 101, avoiding overheating of the compressor 101, and further protecting the compressor 101.

[0087] In some embodiments, Figure 2 As shown, the thermal management system 100 further includes a first expansion valve 103 and a second expansion valve 104 .

[0088] A first port of the first expansion valve 103 is communicated with the outlet of the first condenser 102 , and a second port of the first expansion valve 103 is communicated with the first port of the direct heat exchanger 3 .

[0089] For example, the first expansion valve 103 may be an electronic expansion valve or a thermal expansion valve, which may be selected according to the cost control of the vehicle 1000. The expansion valves mentioned below are the same as those mentioned above, and will not be described again.

[0090] A first port of the second expansion valve 104 is communicated with the outlet of the first condenser 102 , and a second port of the second expansion valve 104 is communicated with the first port of the cold storage heat exchanger 2 .

[0091] Through the above-mentioned arrangement, part of the refrigerant flowing out of the first condenser 102 can first flow through the first expansion valve 103 before flowing into the direct heat exchanger 3, and then flow into the direct heat exchanger 3 after being throttled by the first expansion valve 103. Another part of the refrigerant flowing out of the first condenser 102 can first flow through the second expansion valve 104 before flowing into the cold storage heat exchanger 2, and then flow into the cold storage heat exchanger 2 after being throttled by the second expansion valve 104. In this way, the heat exchange effect of the refrigerant in the direct heat exchanger 3 and the cold storage heat exchanger 2 can be ensured, and the normal operation of the thermal management system 100 can be ensured.

[0092] In some embodiments, Figure 3 As shown, Figure 3 for Figure 1The second structural diagram of the thermal management system 100 , the thermal management system 100 further includes a first switch valve 105 , a first check valve 106 , a second switch valve 107 , an in-vehicle evaporator 108 and a third switch valve 109 .

[0093] The inlet of the first switch valve 105 is communicated with the outlet of the compressor 101 , and the outlet of the first switch valve 105 is communicated with the inlet of the first condenser 102 .

[0094] The inlet of the first check valve 106 is communicated with the outlet of the compressor 101 , and the outlet of the first check valve 106 is communicated with the second port of the direct heat exchanger 3 and the second port of the cold storage heat exchanger 2 .

[0095] The inlet of the second on-off valve 107 is communicated with the first port of the direct heat exchanger 3 and is communicated with the first port of the cold storage heat exchanger 2 .

[0096] The inlet of the in-vehicle evaporator 108 is communicated with the outlet of the second switching valve 107 , and the outlet of the in-vehicle evaporator 108 is communicated with the inlet of the compressor 101 .

[0097] The inlet of the third on-off valve 109 communicates with the second port of the cold storage heat exchanger 2 and communicates with the second port of the direct heat exchanger 3. The outlet of the third on-off valve 109 communicates with the inlet of the compressor 101.

[0098] It should be noted that when the vehicle 1000 is an electric vehicle, the in-vehicle evaporator 108 can be arranged at the motor, and when the refrigerant flows through the in-vehicle evaporator 108, it can absorb the heat emitted when the motor is working. When the vehicle 1000 is a fuel vehicle, the in-vehicle evaporator 108 can be arranged at the engine, and when the refrigerant flows through the in-vehicle evaporator 108, it can absorb the heat emitted when the engine is working.

[0099] Through the above-mentioned arrangement, when the vehicle refrigerator 10 needs to be refrigerated, the first switch valve 105 and the third switch valve 109 can be opened, and the second switch valve 107 can be closed. At this time, after the refrigerant flows out from the outlet of the compressor 101, it will first flow into the first condenser 102 to release heat, and then part of it will flow into the direct heat exchanger 3 to absorb heat, and the other part will flow into the cold storage heat exchanger 2 to absorb heat. The refrigerant flowing out of the direct heat exchanger 3 and the refrigerant flowing out of the cold storage heat exchanger 2 can be combined together and flow into the inlet of the compressor 101 through the third switch valve 109, thereby realizing the refrigeration function of the vehicle refrigerator 10.

[0100] When it is necessary to heat the vehicle refrigerator 10, the first switch valve 105 and the third switch valve 109 can be closed, and the first switch valve 105 and the second switch valve 107 can be opened. At this time, after the refrigerant flows out from the outlet of the compressor 101, part of it will flow to the second port of the direct heat exchanger 3 through the first one-way valve 106, and the other part will flow to the second port of the cold storage heat exchanger 2, and then release heat in the direct heat exchanger 3 and the cold storage heat exchanger 2. The refrigerant flowing out of the direct heat exchanger 3 and the cold storage heat exchanger 2 will flow through the second switch valve 107 and the in-vehicle evaporator 108 in turn after merging, and absorb heat in the in-vehicle evaporator 108 and then flow back to the compressor 101, thereby realizing the heating function of the vehicle refrigerator 10.

[0101] In this way, through the cooperation of the first switch valve 105, the first one-way valve 106, the second switch valve 107 and the third switch valve 109, the vehicle refrigerator 10 can switch between the heating mode and the cooling mode, which can improve the applicability of the vehicle refrigerator 10, thereby improving the user's experience of using the vehicle 1000.

[0102] In some embodiments, Figure 4 As shown, Figure 4 for Figure 1 The third structural schematic diagram of the medium thermal management system 100, the thermal management system 100 also includes a fourth switch valve 110, the inlet of the fourth switch valve 110 is connected to the outlet of the first condenser 102, the outlet of the fourth switch valve 110 is connected to the first port of the cold storage heat exchanger 2, and is connected to the first port of the direct heat exchanger 3.

[0103] Through the above-mentioned arrangement, during the heating process of the vehicle refrigerator 10, the refrigerant flowing out from the direct heat exchanger 3 and the cold storage heat exchanger 2 will be blocked by the fourth switch valve 110 and cannot flow into the condenser. This can avoid the waste of heat in the refrigerant, thereby reducing the energy consumption of the thermal management system 100 and improving the working efficiency of the thermal management system 100.

[0104] In some embodiments, Figure 5 As shown, Figure 5 for Figure 1 The fourth structural diagram of the heat management system 100 , the heat management system 100 further includes a second condenser 111 and a third expansion valve 112 . The inlet of the second condenser 111 is connected to the outlet of the compressor 101 .

[0105] The inlet of the third expansion valve 112 is communicated with the outlet of the second condenser 111. The outlet of the third expansion valve 112 is communicated with the outlet of the second switching valve 107 and is communicated with the inlet of the in-vehicle evaporator 108.

[0106] Through the above arrangement, when the cabin needs to be heated in winter, the third expansion valve 112 can be opened so that the refrigerant flowing out of the compressor 101 can enter the second condenser 111 for heat dissipation, heat the low-temperature air in the cabin, thereby raising the cabin temperature and providing a comfortable environment for the user. The refrigerant after heat exchange enters the evaporator 108 in the vehicle to absorb heat after throttling by the third expansion valve 112, and flows back to the compressor 101, completing the heating cycle of the cabin.

[0107] It should be noted that when only the cockpit needs to be heated and the vehicle refrigerator 10 is not needed, the first switch valve 105, the fourth switch valve 110 and the second switch valve 107 can be closed. At this time, the refrigerant flowing out of the compressor 101 can only flow through the second condenser 111, the third expansion valve 112 and the in-vehicle evaporator 108 in sequence, and then flow back to the compressor 101.

[0108] When the cabin needs to be heated and the vehicle refrigerator 10 needs to be cooled, the first switch valve 105 and the third switch valve 109 can be opened, and the first check valve 106 and the second switch valve 107 can be closed to cool the vehicle refrigerator 10 while heating the cabin through the second condenser 111.

[0109] When the cabin needs to be heated and the vehicle refrigerator 10 needs to be heated, the first one-way valve 106 and the second switch valve 107 can be opened, and the first switch valve 105 and the third switch valve 109 can be closed to heat the vehicle refrigerator 10 while heating the cabin through the second condenser 111.

[0110] In some embodiments, Figure 6 As shown, Figure 6 for Figure 1 The fifth structural diagram of the thermal management system 100 , the thermal management system 100 further includes a fifth switch valve 113 and a second one-way valve 125 .

[0111] The inlet of the fifth switch valve 113 is communicated with the outlet of the second condenser 111. The outlet of the fifth switch valve 113 is communicated with the outlet of the second switch valve 107 and is communicated with the inlet of the in-vehicle evaporator 108.

[0112] The inlet of the second check valve 125 is communicated with the outlet of the third expansion valve 112 and the outlet of the fifth switch valve 113 , and the outlet of the second check valve 125 is communicated with the inlet of the fourth switch valve 110 .

[0113] Through the above-mentioned arrangement, when it is necessary to heat the cabin and cool the vehicle refrigerator 10, the first switch valve 105, the fourth switch valve 110, the second switch valve 107 and the third expansion valve 112 can be closed, and the fifth switch valve 113 and the second one-way valve 125 can be opened. At this time, the refrigerant flowing out of the compressor 101 will flow through the second condenser 111, the fifth switch valve 113, the second one-way valve 125 and the fourth switch valve 110, and then part of it will flow into the direct heat exchanger 3, and the other part will flow into the cold storage heat exchanger 2. The refrigerant flowing out of the direct heat exchanger 3 and the cold storage heat exchanger 2 will converge together and flow back to the compressor 101 through the third switch valve 109.

[0114] In this way, in the above process, the refrigerant will release heat in the second condenser 111 to heat the passenger compartment, and absorb heat in the direct heat exchanger 3 and the cold storage heat exchanger 2, thereby realizing the heating function of the passenger compartment and the function of the vehicle refrigerator 10 at the same time, further improving the user experience of the vehicle 1000.

[0115] In some embodiments, Figure 7 As shown, Figure 7 for Figure 1 The sixth structural diagram of the thermal management system 100 , the thermal management system 100 also includes a third one-way valve 126 , the inlet of the third one-way valve 126 is connected to the outlet of the first condenser 102 , and the outlet of the third one-way valve 126 is connected to the outlet of the second one-way valve 125 .

[0116] Through the above arrangement, when heating the cockpit and cooling the vehicle refrigerator 10, the refrigerant flowing out of the second one-way valve 125 will be blocked by the third one-way valve 126 and cannot flow into the condenser. This can avoid the waste of heat in the refrigerant, thereby reducing the energy consumption of the thermal management system 100 and improving the working efficiency of the thermal management system 100.

[0117] The thermal management system 100 provided in the present application also includes a battery thermal management system 100 . The heating and cooling of the battery in the battery thermal management system 100 will be described below.

[0118] On this basis, in some embodiments, such as Figure 8 As shown, the thermal management system 100 further includes a sixth switch valve 114 , a battery heat exchanger 115 and a fourth expansion valve 116 .

[0119] The inlet of the sixth switch valve 114 is communicated with the outlet of the compressor 101 and with the inlet of the second condenser 111. The first port of the battery heat exchanger 115 is communicated with the outlet of the sixth switch valve 114.

[0120] The first port of the fourth expansion valve 116 is in communication with the second port of the battery heat exchanger 115 , and the second port of the fourth expansion valve 116 is in communication with the outlet of the second switch valve 107 and the inlet of the in-vehicle evaporator 108 .

[0121] Through the above configuration, when the vehicle 1000 is cold started in winter, the battery needs to be heated so that the battery can start normally. Figure 8 As shown, Figure 8 for Figure 1 The seventh structural diagram of the heat management system 100, the heating process of the battery in this application is: the refrigerant in a high temperature and high pressure state flows out from the outlet of the compressor 101 and flows through the sixth switch valve 114 and enters the battery heat exchanger 115. At this time, the battery heat exchanger 115 acts as a condenser to exchange heat with the battery. The high temperature refrigerant provides heat to the battery through heat conduction, heat convection, and heat radiation. After absorbing the heat of the refrigerant, the battery can heat up and start normally. After completing the heat exchange, the refrigerant is throttled by the second expansion valve 104 and absorbs heat in the engine evaporator, and then flows back to the inlet of the compressor 101 to complete the battery heating cycle.

[0122] It can be understood that when heating the battery, the first switch valve 105 and the third switch valve 109 can be opened so that the refrigerant flowing out of the compressor 101 can partially flow into the first condenser 102 to absorb heat, and release heat in the direct heat exchanger 3 and the cold storage heat exchanger 2, so as to achieve cooling of the vehicle refrigerator 10 at the same time.

[0123] Alternatively, the third expansion valve 112 may be opened and the fifth switch valve 113 may be closed, so that part of the refrigerant flowing out of the compressor 101 can flow into the second condenser 111 to achieve heating of the cabin at the same time.

[0124] In some embodiments, Fig. 9 As shown, Fig. 9 for Figure 1 FIG. 8 is a structural schematic diagram of the thermal management system 100 . The thermal management system 100 further includes a fourth one-way valve 117 , a fifth one-way valve 118 and a seventh switch valve 119 .

[0125] The inlet of the fourth check valve 117 is communicated with the second port of the fourth expansion valve 116 , and the outlet of the fourth check valve 117 is communicated with the inlet of the in-vehicle evaporator 108 .

[0126] The inlet of the fifth check valve 118 communicates with the outlet of the in-vehicle evaporator 108 . The outlet of the fifth check valve 118 communicates with the second port of the fourth expansion valve 116 .

[0127] The inlet of the seventh switch valve 119 is connected to the outlet of the sixth switch valve 114 , the first port of the battery heat exchanger 115 , and the inlet of the first check valve 106 , and the outlet of the seventh switch valve 119 is connected to the inlet of the compressor 101 .

[0128] Through the above arrangement, when it is necessary to heat the cabin and cool the battery, the sixth switch valve 114, the third expansion valve 112, the first switch valve 105 and the third switch valve 109 can be closed, and the fifth switch valve 113, the fourth expansion valve 116 and the seventh switch valve 119 can be opened. At this time, the refrigerant in a high-temperature and high-pressure state flowing out from the outlet of the compressor 101 is converted into a refrigerant in a medium-temperature and high-pressure state through the heat dissipation of the second condenser 111, and in this process, the cabin is heated, and then flows through the fifth switch valve 113, the in-vehicle evaporator 108 and the fifth one-way valve 118 in sequence, and then is converted into a refrigerant in a low-temperature and low-pressure state through the throttling of the fourth expansion valve 116 and enters the battery heat exchanger 115. At this time, the battery heat exchanger 115 acts as an evaporator to exchange heat with the battery. After absorbing the heat of the battery, the low-temperature refrigerant flows back to the inlet of the compressor 101 through the second opening of the second regulating valve 124, thereby heating the cabin and cooling the battery.

[0129] In some embodiments, Fig.10 As shown, Fig.10 for Figure 1 The ninth structural diagram of the thermal management system 100 , the thermal management system 100 also includes an inlet of a first regulating valve 120 connected to an outlet of the in-vehicle evaporator 108 , and an outlet of the first regulating valve 120 connected to an inlet of the compressor 101 .

[0130] When heating the battery and cooling the vehicle refrigerator 10, the flow rate of the refrigerant flowing through the first regulating valve 120 can be adjusted by adjusting the opening of the valve core of the first regulating valve 120, the opening of the valve core of the first expansion valve 103, or the opening of the valve core of the second expansion valve 104, thereby controlling the evaporation pressure and evaporation temperature of the vehicle refrigerator 10, thereby achieving different refrigeration temperatures.

[0131] In some examples, such as Fig.10 As shown, the thermal management system 100 further includes a second regulating valve 124 , a first port of the second regulating valve 124 is communicated with the sixth switch valve 114 and the seventh switch valve 119 , and a second port of the second regulating valve 124 is communicated with a first port of the battery heat exchanger 115 .

[0132] In this way, when cooling the battery and the vehicle refrigerator 10, the opening of the valve core of the second regulating valve 124 can be adjusted to adjust the flow rate of the refrigerant flowing through the second regulating valve 124, thereby controlling the evaporation pressure and evaporation temperature of the battery heat exchanger 115, thereby achieving different cooling temperatures for the battery.

[0133] On this basis, in some embodiments, such as Fig.11 As shown, Fig.11 for Figure 1 The tenth structural diagram of the thermal management system 100, the thermal management system 100 also includes an eighth switch valve 121, the first port of the eighth switch valve 121 is connected to the outlet of the in-vehicle evaporator 108, and the second port of the eighth switch valve 121 is connected to the inlet of the fourth switch valve 110.

[0134] Through the above-mentioned arrangement, only the first switch valve 105, the third one-way valve 126, the eighth switch valve 121, the fifth one-way valve 118, the fourth expansion valve 116 and the seventh switch valve 119 can be used, so that the refrigerant releases heat in the first condenser 102 and absorbs heat in the battery heat exchanger 115, thereby cooling only the battery.

[0135] The first switch valve 105, the seventh switch valve 119, the fifth switch valve 113, the third expansion valve 112, the eighth switch valve 121, the first check valve 106 and the second switch valve 107 can also be closed, and the sixth switch valve 114 and the third switch valve 109 can be opened, so that after the refrigerant flowing out of the compressor 101 releases heat in the battery heat exchanger 115, part of it flows into the direct heat exchanger 3 to absorb heat, and the other part flows into the cold storage heat exchanger 2 to absorb heat, so as to simultaneously achieve heating of the battery and cooling of the vehicle refrigerator 10.

[0136] In some embodiments, Fig.12 As shown, Fig.12 for Figure 1 The eleventh structural diagram of the thermal management system 100 , the thermal management system 100 further includes a fifth expansion valve 122 and an air conditioning evaporator 123 .

[0137] For example, the vehicle refrigerator 10 and the air evaporator may be connected to different compressors to control the refrigeration inside the vehicle 1000 and the use of the vehicle refrigerator 10 , respectively.

[0138] Exemplarily, the vehicle refrigerator 10 and the air evaporator can be connected to the same compressor, so that only one compressor is needed to realize the refrigeration inside the vehicle 1000 and the use of the vehicle refrigerator 10. Compared with the vehicle refrigerator 10 and the air evaporator being connected to different compressors, the structure of the thermal management system 100 of the vehicle 1000 can be simplified, and the utilization rate of the internal space of the vehicle 1000 can be improved, thereby further improving the user's experience of using the vehicle 1000. At the same time, it can reduce the amount of heat dissipated by the compressor 101 into the driver's cabin, and reduce the noise of the compressor 101 when it is working, thereby improving the comfort of the user when driving the vehicle 1000.

[0139] The inlet of the fifth expansion valve 122 is communicated with the outlet of the first condenser 102 , the inlet of the air-conditioning evaporator 123 is communicated with the outlet of the fifth expansion valve 122 , and the outlet of the air-conditioning evaporator 123 is communicated with the inlet of the compressor 101 .

[0140] Through the above arrangement, only the first switch valve 105 and the fifth expansion valve 122 can be opened, so that the refrigerant flowing out of the compressor 101 releases heat in the first condenser 102 and then directly enters the air-conditioning evaporator 123 to absorb heat, thereby achieving cooling of the cabin.

[0141] It is understandable that while cooling the cabin, the battery can also be heated or cooled, and the vehicle refrigerator 10 can be heated or cooled.

[0142] In some examples, such as Fig.13 As shown, Fig.13 for Figure 1 The twelfth structural diagram of the thermal management system 100 , the thermal management system 100 also includes a third regulating valve 127 , the inlet of the third regulating valve 127 is connected to the outlet of the air-conditioning evaporator 123 , and the outlet of the third regulating valve 127 is connected to the inlet of the compressor 101 .

[0143] In this way, the opening of the valve core of the third regulating valve 127 can be adjusted to adjust the flow rate of the refrigerant in the air-conditioning evaporator 123, thereby controlling the evaporation pressure and evaporation temperature of the air-conditioning evaporator 123, thereby achieving different cooling temperatures in the cabin.

[0144] At the same time, when the direct heat exchanger 3 and the cold storage heat exchanger 2 are in operation, the evaporation pressure and evaporation temperature of the air-conditioning evaporator 123 can be adjusted by adjusting the opening of the valve core of the third regulating valve 127 to avoid the evaporation pressure and evaporation temperature of the air-conditioning evaporator 123 being affected by the direct heat exchanger 3 and the cold storage heat exchanger 2.

[0145] It should be noted that when only the cabin is cooled, the valve core of the third regulating valve 127 is fully open. At this time, the evaporation pressure and evaporation temperature of the air-conditioning evaporator 123 can be adjusted by adjusting the valve core opening of the fifth expansion valve 122, thereby achieving different cooling temperatures for the cabin.

[0146] In some embodiments, when the vehicle refrigerator 10 is refrigerating, when the vehicle refrigerator 10 is unloaded or the vehicle refrigerator 10 does not need to be refrigerated, the first expansion valve 103 can be closed, so that the refrigerant flowing out of the fourth switch valve 110 all flows into the cold storage heat exchanger 2, thereby utilizing the cold storage heat exchanger 2 to refrigerate the interior of the vehicle refrigerator 10, reducing the power consumption of the compressor 101, thereby reducing the number of engine starts and stops.

[0147] It should be noted that during the cooling or heating process of the vehicle refrigerator 10, when the temperature inside the vehicle refrigerator 10 reaches the preset temperature, the first expansion valve 103 can be closed, and the cold or heat stored in the cold storage heat exchanger 2 can be used to keep the vehicle refrigerator 10 warm or refrigerate, so as to reduce the energy consumption of the thermal management system 100.

[0148] On this basis, in some embodiments, such as Fig.14 , Fig.15 As shown, Fig.14 for Figure 1 A schematic diagram of the external structure of the vehicle refrigerator 10 in the thermal management system 100, Fig.15 for Fig.14 The exploded structural diagram of the vehicle refrigerator 10 is shown in FIG. 1 . The vehicle refrigerator 10 comprises a shell 1 , and the shell 1 is provided with a receiving cavity 13 for placing articles.

[0149] Through the above arrangement, the user can place items such as food or drinks in the accommodating cavity 13, and then heat or refrigerate the items through the vehicle refrigerator 10 to meet the user's usage needs.

[0150] Specifically, Fig.15 , Fig.16 As shown, Fig.16 for Fig.14 The schematic diagram of the internal structure of the vehicle refrigerator 10 shows that the housing 1 includes an outer shell 11 and an inner liner 12 . The inner liner 12 is arranged in the outer shell 11 , and the inner liner 12 is provided with a containing cavity 13 .

[0151] Through the above arrangement, the outer shell 11 can protect the inner liner 12 , thereby protecting the items in the accommodating cavity 13 , so as to improve the safety of the items when they are stored in the accommodating cavity 13 .

[0152] In some embodiments, Fig.15 , Fig.16 As shown, the vehicle refrigerator 10 further includes a cold storage heat exchanger 2 and a direct heat exchanger 3 .

[0153] The cold storage heat exchanger 2 is disposed in the housing 1 and is capable of exchanging heat with the accommodating chamber 13. The direct heat exchanger 3 is disposed in the housing 1 and is capable of exchanging heat with the accommodating chamber 13.

[0154] In this way, when the vehicle refrigerator 10 needs to be used, for example, when drinks need to be refrigerated, the cold storage heat exchanger 2 and the direct heat exchanger 3 can both be placed in a cooling state, and the cold storage heat exchanger 2 and the direct heat exchanger 3 simultaneously absorb heat from the accommodating cavity 13 to refrigerate the drinks.

[0155] Since the direct heat exchanger 3 is used to exchange heat with the accommodating chamber 13, after starting the vehicle refrigerator 10, compared with the cold storage heat exchanger 2, the direct heat exchanger 3 can immediately absorb the heat in the accommodating chamber 13, thereby quickly cooling the beverage to quickly refrigerate the beverage, which can improve the user experience of the vehicle refrigerator 10.

[0156] In addition, through the setting of the cold storage heat exchanger 2, when the car refrigerator 10 is powered off, the cold storage heat exchanger 2 can continue to cool the storage cavity. At this time, the car refrigerator 10 can continue to refrigerate the beverages to prevent the beverages from heating up due to the power outage of the car refrigerator 10. This can improve the user experience of the car refrigerator 10.

[0157] At the same time, the direct heat exchanger 3 and the cold storage heat exchanger 2 can be operated separately to realize various working states of the vehicle refrigerator 10, specifically:

[0158] In some embodiments, the working state of the vehicle refrigerator 10 includes a first working state. When the vehicle refrigerator 10 is in the first working state, the direct heat exchanger 3 and the cold storage heat exchanger 2 are both in a cooling state, and the direct heat exchanger 3 and the cold storage heat exchanger 2 absorb heat in the accommodating cavity 13 at the same time.

[0159] In this way, when the items in the accommodating cavity 13 need to be cooled down quickly (for example, when drinks purchased in summer need to be refrigerated before drinking), the vehicle refrigerator 10 can be placed in the first working state, and the heat in the accommodating cavity 13 can be absorbed simultaneously by the direct heat exchanger 3 and the cold storage heat exchanger 2, thereby quickly cooling the items.

[0160] In some embodiments, the working state of the vehicle refrigerator 10 includes a second working state. When the vehicle refrigerator 10 is in the second working state, the direct heat exchanger 3 is in a cooling state, the cold storage heat exchanger 2 does not work, and the direct heat exchanger 3 absorbs heat in the accommodating cavity 13.

[0161] In this way, when the car refrigerator 10 needs to be used to cool the items, and there is no need to cool the items after the car refrigerator 10 is powered off (for example, when there are fewer beverages purchased in summer that need to be refrigerated before drinking), the car refrigerator 10 can be placed in the second working state, and the heat in the accommodating cavity 13 is absorbed directly by the heat exchanger 3, so as to quickly cool the items in the accommodating cavity 13, and the car refrigerator 10 can be turned off after all the items are taken out.

[0162] In some embodiments, the working state of the vehicle refrigerator 10 includes a third working state. When the vehicle refrigerator 10 is in the third working state, the cold storage heat exchanger 2 is in a cooling state, the direct heat exchanger 3 does not work, and the cold storage heat exchanger 2 absorbs heat in the accommodating cavity 13.

[0163] In this way, when it is necessary to use the car refrigerator 10 to cool down the items and continue to refrigerate the items after the car refrigerator 10 is powered off (for example, when food such as ice cream purchased in summer needs to be continuously refrigerated), the car refrigerator 10 can be placed in the third working state, and the heat storage heat exchanger 2 absorbs the heat in the accommodating cavity 13 to cool down the items in the accommodating cavity 13, and can continue to refrigerate the items after the car refrigerator 10 is powered off, thereby avoiding the items in the accommodating cavity 13 from being affected by the inability to refrigerate after the car refrigerator 10 is powered off, thereby ensuring the normal preservation of the items.

[0164] In some embodiments, the working state of the vehicle refrigerator 10 includes a fourth working state. When the vehicle refrigerator 10 is in the fourth working state, the direct heat exchanger 3 and the cold storage heat exchanger 2 are both in the heating state, and the direct heat exchanger 3 and the cold storage heat exchanger 2 transfer heat to the accommodating cavity 13 at the same time.

[0165] In this way, when it is necessary to use the vehicle refrigerator 10 to quickly heat items (for example, when food needs to be heated before eating), the vehicle refrigerator 10 can be placed in the fourth working state, and heat is transferred to the accommodating cavity 13 simultaneously through the direct heat exchanger 3 and the cold storage heat exchanger 2, so as to quickly heat the items.

[0166] In some embodiments, the working state of the vehicle refrigerator 10 includes a fifth working state. When the vehicle refrigerator 10 is in the fifth working state, the direct heat exchanger 3 is in a heating state, the cold storage heat exchanger 2 is not working, and the direct heat exchanger 3 transfers heat to the accommodating cavity 13.

[0167] In this way, when it is necessary to use the car refrigerator 10 to quickly heat up items, and when there is no need to keep the items warm after the car refrigerator 10 is powered off (for example, when there is less food to be heated), the car refrigerator 10 can be placed in the fifth working state, and heat is transferred to the accommodating cavity 13 through the direct heat exchanger 3, so as to quickly heat the items in the accommodating cavity 13, and the car refrigerator 10 can be closed after all the items are taken out.

[0168] In some embodiments, the working state of the vehicle refrigerator 10 includes a sixth working state. When the vehicle refrigerator 10 is in the sixth working state, the cold storage heat exchanger 2 is in a heating state, the direct heat exchanger 3 does not work, and the cold storage heat exchanger 2 transfers heat to the accommodating cavity 13.

[0169] In this way, when it is necessary to use the vehicle refrigerator 10 to cool down the items and keep the items warm after the vehicle refrigerator 10 is powered off (for example, when food needs to be heated in advance and taken out for consumption at any time), the vehicle refrigerator 10 can be placed in the sixth working state, and heat is transferred to the accommodating cavity 13 through the cold storage heat exchanger 2 to heat the items in the accommodating cavity 13. Moreover, after the vehicle refrigerator 10 is powered off, the items can continue to be kept warm, thereby preventing the items in the accommodating cavity 13 from cooling down due to the power outage of the vehicle refrigerator 10, thereby ensuring the normal preservation of the items.

[0170] In summary, through the cooperation of the direct heat exchanger 3 and the cold storage heat exchanger 2 , the vehicle refrigerator 10 can meet the different needs of users in different situations, so as to further improve the user's experience of using the vehicle refrigerator 10 .

[0171] In some embodiments, Fig.16 As shown, a second installation cavity 15 is formed between the outer shell 11 and the inner shell 12 .

[0172] It can be understood that the direct heat exchanger 3 is disposed between the outer shell 11 and the inner shell 12 .

[0173] Through the above configuration, compared with arranging the direct heat exchanger 3 in the inner tank 12, arranging the direct heat exchanger 3 between the outer shell 11 and the inner tank 12 can save the space inside the inner tank 12, so that the space of the accommodating cavity 13 can be increased, thereby improving the accommodating capacity of the vehicle refrigerator 10 and improving the user experience of the vehicle refrigerator 10.

[0174] In some embodiments, Fig.16 As shown, the inner container 12 is further provided with a first installation cavity 14 , and part of the accommodating cavity 13 forms the first installation cavity 14 .

[0175] It can be understood that the cold storage heat exchanger 2 is disposed in the accommodating chamber 13 .

[0176] Through the above configuration, compared with arranging the cold storage heat exchanger 2 outside the inner tank 12, when the cold storage heat exchanger 2 is arranged in the accommodating chamber 13, the cold storage heat exchanger 2 can directly exchange heat with the accommodating chamber 13, which can accelerate the heat exchange rate between the cold storage heat exchanger 2 and the accommodating chamber 13, thereby accelerating the heating rate and cooling rate of the vehicle refrigerator 10, so as to further improve the user experience of the vehicle refrigerator 10.

[0177] In some embodiments, the material of the inner container 12 is a thermally conductive material.

[0178] Exemplarily, the material of the liner 12 may be polyurethane, polyethylene, or the like.

[0179] In this way, when the material of the inner tank 12 is a heat-conducting material, the heat transfer rate on the inner tank 12 can be accelerated, thereby accelerating the heat exchange rate between the direct heat exchanger 3 and the accommodating chamber 13, so as to improve the heating effect and cooling effect of the direct heat exchanger 3 on the accommodating chamber 13.

[0180] In some embodiments, the shell 11 is made of heat-insulating material.

[0181] Exemplarily, the material of the shell 11 can be glass wool, foam plastic, etc.

[0182] In this way, when the material of the outer shell 11 is a heat-insulating material, the amount of heat dissipated from the outer shell 11 to the outside of the vehicle refrigerator 10 can be reduced, thereby improving the heat exchange efficiency of the direct heat exchanger 3 and the accommodating chamber 13, and improving the heat exchange efficiency of the cold storage heat exchanger 2 and the accommodating chamber 13.

[0183] In some embodiments, the vehicle refrigerator 10 further includes a heating element, which is disposed in the second installation cavity 15 and is thermally connected to the accommodating cavity 13 for heating the accommodating cavity 13 .

[0184] Exemplarily, the heating element may be a heating tube, a heating plate, or the like.

[0185] Exemplarily, the heating element is a heating film, and the heating film is attached to the outer wall surface of the inner tank 12 .

[0186] Through the above arrangement, when it is necessary to heat the items in the accommodating cavity 13 , the accommodating cavity 13 can be heated by the heating film, thereby heating the items in the accommodating cavity 13 .

[0187] This can reduce the use frequency of the direct heat exchanger 3 and the cold storage heat exchanger 2, thereby delaying the aging speed of the direct heat exchanger 3 and the cold storage heat exchanger 2 and extending the service life of the direct heat exchanger 3 and the cold storage heat exchanger 2.

[0188] It can be understood that, through the setting of the heating film, both the direct heat exchanger 3 and the cold storage heat exchanger 2 can only have a cooling function, that is, the direct heat exchanger 3 can only be in a cooling state, and the cold storage heat exchanger 2 can only be in a cooling state.

[0189] In this way, the direct heat exchanger 3 and the cold storage heat exchanger 2 do not need to be in the heating state, that is, the direct heat exchanger 3 and the cold storage heat exchanger 2 may not have a heating function, which can simplify the structure of the vehicle refrigerator 10 and facilitate the processing and setting of the vehicle refrigerator 10.

[0190] At the same time, by providing the heating film, the structure of the thermal management system 100 can be simplified, thereby facilitating the provision of the thermal management system 100 .

[0191] In some embodiments, Fig.15 As shown, the cold storage heat exchanger 2 includes a first inlet pipe 21 and a first heat exchange component 22 , the inlet of the first inlet pipe 21 is used to connect to the refrigerant outlet of the refrigerant supply device, and the outlet of the first inlet pipe 21 is used to connect to the first heat exchange component 22 .

[0192] The direct heat exchanger 3 includes a second inlet pipe 31 and a second heat exchange component 32 . The inlet of the second inlet pipe 31 is used to connect to the refrigerant outlet of the refrigerant supply device, and the outlet of the second inlet pipe 31 is used to connect to the second heat exchange component 32 .

[0193] It can be understood that the first heat exchange component 22 is connected to the refrigerant supply device.

[0194] Specifically, Fig.15 As shown, the cold storage heat exchanger 2 also includes a first outlet pipe 23, the inlet of the first outlet pipe 23 is connected to the outlet of the first heat exchange component 22, and the outlet of the first outlet pipe 23 is connected to the refrigerant inlet of the refrigerant supply device, so that the refrigerant flowing into the first heat exchange component 22 from the first inlet pipe 21 flows back to the refrigerant supply device.

[0195] The second heat exchange assembly 32 is connected to the refrigerant supply device.

[0196] Specifically, Fig.15 As shown, the direct heat exchanger 3 also includes a second outlet pipe 33, the inlet of the second outlet pipe 33 is connected to the outlet of the second heat exchange component 32, and the outlet of the second outlet pipe 33 is connected to the refrigerant inlet of the refrigerant supply device, so that the refrigerant flowing into the second heat exchange component 32 from the second inlet pipe 31 flows back to the refrigerant supply device.

[0197] Through the above arrangement, the refrigerant flowing out from the refrigerant outlet of the refrigerant supply device can enter the first inlet pipe 21 and the second inlet pipe 31 at the same time, then flow into the first heat exchange component 22 through the first inlet pipe 21, and enter the second heat exchange component 32 from the second inlet pipe 31.

[0198] In this way, the refrigerant flowing out from the refrigerant outlet of the refrigerant supply device can exchange heat with the accommodating cavity in the direct heat exchanger 3 and the cold storage heat exchanger 2 respectively, thereby realizing the parallel setting of the direct heat exchanger 3 and the cold storage heat exchanger 2, so that the direct heat exchanger 3 and the cold storage heat exchanger 2 can be controlled separately to meet the user's different needs for the vehicle refrigerator 10 under different circumstances.

[0199] On this basis, in some embodiments, such as Fig.15As shown, the second heat exchange assembly 32 includes at least one first heat exchange member 321, which is arranged around the accommodating cavity 13. A first heat exchange channel is formed in the first heat exchange member 321, and the inlet of the first heat exchange channel is connected to the outlet of the second inlet pipe 31.

[0200] Through the above-mentioned arrangement, since the inlet of the first heat exchange channel is connected to the outlet of the second inlet pipe 31, the refrigerant flowing out from the refrigerant outlet of the refrigerant supply device can flow into the first heat exchange channel through the second inlet pipe 31, and then exchange heat with the accommodating chamber 13, thereby realizing direct heat exchange between the heat exchanger 3 and the accommodating chamber 13.

[0201] Furthermore, since the first heat exchange element 321 is arranged around the accommodating chamber 13, the first heat exchange channel is also arranged around the accommodating chamber 13. In this way, the refrigerant in the first heat exchange channel can more fully exchange heat with the accommodating chamber 13, thereby improving the heating and cooling effects of the direct heat exchanger 3.

[0202] Exemplarily, the first heat exchange element 321 may be a heat exchange coil.

[0203] For example, Fig.15 As shown, the first heat exchange element 321 is a heat exchange flat tube 3211 .

[0204] It can be understood that one side of the flat surfaces disposed opposite to each other on both sides of the heat exchange flat tube 3211 is in contact with the inner tank 12 .

[0205] In this way, there is a larger heat exchange area between the first heat exchange element 321 and the accommodating chamber 13, which can increase the heat exchange rate between the first heat exchange element 321 and the accommodating chamber 13, and further increase the heating or cooling rate of the accommodating chamber 13 by the direct heat exchanger 3.

[0206] For example, the number of the first heat exchange element 321 may be one.

[0207] For example, the number of the first heat exchange element 321 may be multiple, and the multiple first heat exchange elements 321 are arranged along the first direction ( Fig.15 The X direction shown in the figure is set as the spacing.

[0208] Exemplarily, the first direction may be a vertical direction or a horizontal direction.

[0209] Through the above arrangement, the plurality of first heat exchange members 321 can exchange heat with the accommodating chamber 13 together, thereby realizing heat exchange between the direct heat exchanger 3 and the accommodating chamber 13. And since the number of the first heat exchange members 321 can be multiple, the volume of the first heat exchange members 321 can be set smaller while ensuring the heat exchange effect between the direct heat exchanger 3 and the accommodating chamber 13, so that the processing of the first heat exchange members 321 can be facilitated, so as to facilitate the processing of the direct heat exchanger 3.

[0210] In some embodiments, Fig.17 As shown, Fig.17 for Fig.15 Schematic diagram of the external structure of the first heat exchange component 22, the first heat exchange component 22 includes a second heat exchange component 221, a cold storage component and a cold storage material.

[0211] A second heat exchange channel is provided in the second heat exchange element 221 , and an inlet of the second heat exchange channel is communicated with an outlet of the first inlet pipe 21 .

[0212] The cold storage element has a containing space, and at least a portion of the second heat exchange element 221 is disposed in the containing space. The cold storage material is disposed between at least a portion of the second heat exchange element 221 and the cold storage element.

[0213] Exemplarily, the cold storage material may be a high molecular polymer or a chemical condensing agent.

[0214] Through the above arrangement, during the operation of the cold storage heat exchanger 2, since the inlet of the second heat exchange channel is connected to the outlet of the first inlet pipe 21, the refrigerant flowing out from the refrigerant outlet of the refrigerant supply device can flow into the second heat exchange channel through the first inlet pipe 21.

[0215] Since at least part of the second heat exchange member 221 is disposed in the accommodation space, the cold storage material is disposed between the second heat exchange member 221 and the inner wall surface of the cold storage member, so the refrigerant flowing through the second heat exchange flow channel will first exchange heat with the cold storage material, and after the cold storage material absorbs the heat in the refrigerant in the second heat exchange flow channel, it will exchange heat with the accommodation chamber 13 through the cold storage member, thereby realizing heat exchange between the cold storage heat exchanger 2 and the accommodation chamber 13.

[0216] By setting the cold storage material, when the refrigerator is damaged and the power is cut off, the cold storage material stores the heat absorbed from the refrigerant in the second heat exchange channel. Therefore, the cold storage heat exchanger 2 can continue to exchange heat with the accommodating chamber 13, thereby keeping the accommodating chamber 13 warm, thereby ensuring the refrigeration effect of the vehicle refrigerator 10 on the items.

[0217] Alternatively, the vehicle refrigerator 10 may be turned off in advance before taking out items, and the heat stored in the cold storage material may be used to exchange heat with the accommodating cavity 13 , thereby saving the electric energy consumed by the vehicle refrigerator 10 and reducing the energy consumption of the vehicle refrigerator 10 .

[0218] Exemplarily, the cold storage member may be a prismatic shell structure, and the second heat exchange member 221 is at least partially placed in the cold storage member.

[0219] For example, Fig.17 As shown, the second heat exchange element 221 includes a coaxial tube, and the coaxial tube includes an inner tube 2212 and an outer tube 2213 .

[0220] The inlet of the inner tube 2212 is connected to the outlet of the first inlet pipe 21, and the inner tube 2212 is provided with a first heat exchange channel. The outer tube 2213 is sleeved on the inner tube 2212, and the outer tube 2213 forms a cold storage member, and the cold storage material is provided between the outer wall surface of the inner tube 2212 and the inner wall surface of the outer tube 2213.

[0221] Through the above-mentioned arrangement, compared with the cold storage component which can be a prismatic shell structure, when the outer tube 2213 forms a cold storage component, the space occupied by the cold storage component and the cold storage material can be reduced, so that the heat transferred from the refrigerant in the second heat exchange channel to the cold storage material can be transferred to the accommodating chamber 13 more quickly, so that the second heat exchange component 221 can exchange heat with the accommodating chamber 13 more quickly.

[0222] At the same time, since the cold storage component and the cold storage material occupy a small space, the length of the coaxial tube can be set longer, so that the second heat exchange component 221 can more fully exchange heat with the accommodating chamber 13, thereby improving the heating effect or cooling effect of the cold storage heat exchanger 2 on the accommodating chamber 13.

[0223] Exemplarily, the inner tube 2212 may be a straight tube extending along a straight line.

[0224] For example, Fig.17 As shown, the inner tube 2212 includes a plurality of first straight sections 22A and a plurality of first bent sections 22B. The extension directions of the plurality of first straight sections 22A are consistent, and the plurality of first straight sections 22A extend in the second direction ( Fig.17 The arrangement is performed in the Y direction as shown in FIG.

[0225] For any two adjacent first straight sections 22A, the outlet of one first straight section 22A is connected to the inlet of the other first straight section 22A through a first bending section 22B.

[0226] Exemplarily, the second direction may be consistent with the vertical direction or the horizontal direction;

[0227] Through the above-mentioned arrangement, when the extension length of the inner tube 2212 is the same, compared with the case where the inner tube 2212 is a straight tube extending in a straight line and the inner tube 2212 includes a plurality of first straight sections 22A and a plurality of first bent sections 22B, the maximum size of the space occupied by the inner tube 2212 is smaller. This can reduce the maximum size of the space occupied by the cold storage heat exchanger 2, thereby improving the integration of the cold storage heat exchanger 2 and facilitating the installation and setting of the cold storage heat exchanger 2 on the vehicle refrigerator 10.

[0228] In some examples, the second direction and the first direction are both consistent with the vertical direction.

[0229] In some examples, the liner 12 has a first side wall 121, such as Fig.15As shown, the second direction is parallel to the plane where the first side wall 121 is located.

[0230] On this basis, in some embodiments, such as Fig.17 As shown, the outer tube 2213 includes a plurality of second straight sections 23A, and one second straight section 23A is sleeved on one first straight section 22A.

[0231] Through the above arrangement, the outer tube 2213 can be only sleeved on the second straight section 23A, and a containing space is formed between the inner wall surface of the second straight section 23A and the first straight section 22A to store cold storage material and realize the cold storage function of the cold storage heat exchanger 2.

[0232] In this way, the outer tube 2213 is only sleeved on the first straight section 22A and does not need to be sleeved on the first bent section 22B. This can simplify the structure of the outer tube 2213 and facilitate the processing and installation of the outer tube 2213.

[0233] In other embodiments, Fig.17 As shown, the outer tube 2213 includes a plurality of second straight sections 23A and a plurality of second bent sections 23B. One second straight section 23A is sleeved on one first straight section 22A. One second bent section 23B is sleeved on one first bent section 22B.

[0234] It can be understood that the outer tube 2213 and the inner tube 2212 are arranged correspondingly, and for any two adjacent second straight sections 23A, the outlet of one second straight section 23A is connected to the inlet of the other second straight section 23A through a second bending section 23B.

[0235] Through the above-mentioned arrangement, the outer tube 2213 is sleeved on the first straight section 22A and on the second straight section 23A, so that the size of the accommodation space formed between the inner wall surface of the outer tube 2213 and the inner tube 2212 can be increased, thereby increasing the contact area between the inner tube 2212 and the cold storage material, and accelerating the rate at which the heat in the refrigerant in the inner tube 2212 is transferred to the cold storage agent, thereby accelerating the heat exchange between the cold storage heat exchanger 2 and the accommodating cavity, and can improve the cold storage effect of the cold storage heat exchanger 2.

[0236] In some embodiments, Fig.17 As shown, the cold storage heat exchanger 2 further includes a plurality of heat exchange fins 24 , and the plurality of heat exchange fins 24 are connected to the outer wall surface of the outer tube 2213 .

[0237] Through the above arrangement, during the heat exchange between the cold storage heat exchanger 2 and the accommodating chamber 13, since the multiple heat exchange fins 24 are connected to the outer wall surface of the outer tube 2213, part of the heat in the cold storage material can be transferred to the multiple heat exchange fins 24 through the outer tube 2213, and then heat is exchanged with the accommodating chamber 13 through the multiple heat exchange fins 24.

[0238] In this way, by setting up multiple heat exchange fins 24, the heat exchange area of ​​the second heat exchange element 221 and the accommodating chamber 13 can be increased, thereby accelerating the heat exchange between the cold storage heat exchanger 2 and the accommodating chamber 13 and improving the heating or cooling rate of the cold storage heat exchanger 2 to the accommodating chamber 13.

[0239] Exemplarily, the extension direction of the heat exchange fins 24 is consistent with the extension direction of the outer tube 2213 .

[0240] For example, Fig.17 As shown, the heat exchange fins 24 extend along the circumference of the outer tube 2213 .

[0241] Specifically, the heat exchange fins 24 extend along the circumference of the outer tube 2213 .

[0242] In this way, compared with the extension direction of the heat exchange fin 24 being consistent with the extension direction of the outer tube 2213, when the heat exchange fin 24 extends along the circumferential direction of the outer tube 2213, the heat exchange fin 24 can be sleeved on the outer tube 2213, so that the heat exchange fin 24 can be fixed by the outer tube 2213, thereby facilitating the installation of the heat exchange fin 24.

[0243] In some embodiments, the vehicle refrigerator 10 further includes a phase change material, and the phase change material is disposed in the accommodating space.

[0244] Exemplarily, the phase change material may include an inorganic phase change material, such as a crystalline hydrated salt, a molten salt, and the like.

[0245] Exemplarily, the phase change material may include an organic phase change material, such as paraffin, polyurethane, and the like.

[0246] Exemplarily, the phase change material may include a composite phase change material, such as a nano-composite phase change material, a clay-based composite phase change material, and the like.

[0247] In this way, when the cold storage heat exchanger 2 cools the accommodating chamber 13, before the vehicle refrigerator 10 is powered off, the phase change material is in a solid state. After the vehicle refrigerator 10 is powered off, the cold storage heat exchanger 2 cools the accommodating chamber 13. During the process, as the phase change material continuously absorbs heat in the accommodating chamber 13, the temperature of the phase change material will gradually increase.

[0248] When the temperature of the phase change material exceeds its own phase change temperature point, the phase change material will melt from solid to liquid, and absorb a large amount of heat in the accommodating chamber 13 during the process, thereby extending the refrigeration time of the cold storage material for the accommodating chamber 13, thereby improving the refrigeration effect of the cold storage heat exchanger 2.

[0249] When the cold storage heat exchanger 2 heats the accommodating chamber 13, after the vehicle refrigerator 10 is powered off and the temperature of the phase change material is lower than its own phase change temperature point, the phase change material will transform from liquid to solid and release a large amount of heat into the accommodating chamber 13 to extend the insulation time of the accommodating chamber 13 by the cold storage material.

[0250] In this way, by setting the phase change material, the heat preservation effect and refrigeration effect of the cold storage heat exchanger 2 on the accommodating cavity can be improved, which can further improve the user experience of the vehicle refrigerator 10.

[0251] In some embodiments, when the temperature of the refrigerant flowing into the cold storage heat exchanger 2 is higher than the phase change temperature point of the phase change material, the phase change material cannot undergo a morphological transformation, that is, it cannot store cold energy. At this time, the second expansion valve 104 can be closed to close the cold storage heat exchanger 2, thereby reducing the waste of heat in the refrigerant and reducing the energy consumption of the thermal management system 100. In some embodiments, the vehicle refrigerator 10 further includes a fan, which is disposed in the second installation cavity 15. The inner tank 12 is provided with an air inlet and an air return port, and the fan is located at the air inlet.

[0252] Exemplarily, the air inlets and the air outlets may be arranged in sequence in a vertical direction or in sequence in a horizontal direction.

[0253] In this way, during the operation of the direct heat exchanger 3, the fan can be started so that the fan draws air from the accommodating chamber 13 from the air outlet and then blows it back into the accommodating chamber 13 from the air inlet. This allows the air in the accommodating chamber 13 to flow continuously, thereby increasing the heat transfer coefficient of the air in the second installation chamber 15, thereby further increasing the heat exchange rate between the direct heat exchanger 3 and the accommodating chamber 13.

[0254] In some embodiments, Fig.15 As shown, the vehicle refrigerator 10 further includes a heat preservation layer 4 , which is disposed in the second installation cavity 15 and covers the direct heat exchanger 3 .

[0255] In this way, the insulation layer 4 can reduce the amount of heat exchange between the direct heat exchanger 3 and the shell 11, thereby improving the heat exchange efficiency between the direct heat exchanger 3 and the accommodating chamber 13, thereby improving the heating and cooling effects of the direct heat exchanger 3 on the accommodating chamber 13.

[0256] Exemplarily, the thermal insulation layer 4 may be a vacuum panel.

[0257] Exemplarily, the material of the thermal insulation layer 4 may be a foam material.

[0258] Exemplarily, the material of the thermal insulation layer 4 may be aerogel.

[0259] In this way, compared with vacuum panels and foaming materials, the volume of aerogel can be set smaller while ensuring the thermal insulation effect of the thermal insulation layer 4, which can save the space required for the vehicle refrigerator 10 and improve the integration of the vehicle refrigerator 10, so that while ensuring the volume of the accommodating cavity 13, installation space can be provided for the direct heat exchanger 3 and the cold storage heat exchanger 2, so as to further facilitate the installation and setting of the vehicle refrigerator 10.

[0260] The above are only specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art who is familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed by the present invention, which should be included in the protection scope of the present invention. Therefore, the protection scope of the present invention should be based on the protection scope of the claims.

Claims

1. A thermal management system, characterized in that: include: Compressor (101); a first condenser (102), wherein an inlet of the first condenser (102) is connected to an outlet of the compressor (101); At least one vehicle-mounted refrigerator, the vehicle-mounted refrigerator comprising a direct heat exchanger (3) and a cold storage heat exchanger (2); The outlet of the first condenser (102) is in communication with the first port of the cold storage heat exchanger (2) and is in communication with the first port of the direct heat exchanger (3); The inlet of the compressor (101) is in communication with the second port of the cold storage heat exchanger (2), and is also in communication with the second port of the direct heat exchanger (3).

2. The thermal management system according to claim 1, characterized in that: Also includes: a first expansion valve (103), wherein a first port of the first expansion valve (103) is in communication with an outlet of the first condenser (102), and a second port of the first expansion valve (103) is in communication with a first port of the direct heat exchanger (3); A second expansion valve (104), wherein a first port of the second expansion valve (104) is connected to an outlet of the first condenser (102), and a second port of the second expansion valve (104) is connected to a first port of the cold storage heat exchanger (2).

3. The thermal management system according to claim 2, characterized in that: Also includes: a first switch valve (105), wherein an inlet of the first switch valve (105) is communicated with an outlet of the compressor (101), and an outlet of the first switch valve (105) is communicated with an inlet of the first condenser (102); a first one-way valve (106), wherein an inlet of the first one-way valve (106) is communicated with an outlet of the compressor (101), and an outlet of the first one-way valve (106) is communicated with a second port of the direct heat exchanger (3) and is also communicated with a second port of the cold storage heat exchanger (2); a second on-off valve (107), wherein an inlet of the second on-off valve (107) is communicated with a first port of the direct heat exchanger (3) and is also communicated with a first port of the cold storage heat exchanger (2); An in-vehicle evaporator (108), wherein the inlet of the in-vehicle evaporator (108) is communicated with the outlet of the second switch valve (107), and the outlet of the in-vehicle evaporator (108) is communicated with the inlet of the compressor (101); A third switch valve (109), wherein the inlet of the third switch valve (109) is connected to the second port of the cold storage heat exchanger (2) and is also connected to the second port of the direct heat exchanger (3); and the outlet of the third switch valve (109) is connected to the inlet of the compressor (101).

4. The thermal management system according to claim 3, characterized in that: Also includes: A fourth switch valve (110), wherein the inlet of the fourth switch valve (110) is connected to the outlet of the first condenser (102), and the outlet of the fourth switch valve (110) is connected to the first port of the cold storage heat exchanger (2) and to the first port of the direct heat exchanger (3).

5. The thermal management system according to claim 4, characterized in that: Also includes: a second condenser (111), wherein an inlet of the second condenser (111) is connected to an outlet of the compressor (101); A third expansion valve (112), wherein the inlet of the third expansion valve (112) is connected to the outlet of the second condenser (111); the outlet of the third expansion valve (112) is connected to the outlet of the second switch valve (107) and is connected to the inlet of the in-vehicle evaporator (108).

6. The thermal management system according to claim 5, characterized in that: Also includes: a fifth switch valve (113), wherein the inlet of the fifth switch valve (113) is communicated with the outlet of the second condenser (111); the outlet of the fifth switch valve (113) is communicated with the outlet of the second switch valve (107), and is also communicated with the inlet of the in-vehicle evaporator (108); A second one-way valve (125), wherein the inlet of the second one-way valve 125 is connected to the outlet of the third expansion valve (112) and to the outlet of the fifth switch valve (113), and the outlet of the second one-way valve 125 is connected to the inlet of the fourth switch valve (110).

7. The thermal management system according to claim 6, characterized in that: Also includes: A third one-way valve (126), wherein the inlet of the third one-way valve (126) is connected to the outlet of the first condenser (102), and the outlet of the third one-way valve (126) is connected to the outlet of the second one-way valve 125.

8. The thermal management system according to claim 7, characterized in that: Also includes: a sixth switch valve (114), wherein an inlet of the sixth switch valve (114) is communicated with an outlet of the compressor (101) and is communicated with an inlet of the second condenser (111); a battery heat exchanger (115), wherein a first port of the battery heat exchanger (115) is in communication with an outlet of the sixth switch valve (114); A fourth expansion valve (116), wherein a first port of the fourth expansion valve (116) is connected to a second port of the battery heat exchanger (115), and a second port of the fourth expansion valve (116) is connected to an outlet of the second switch valve (107) and to an inlet of the in-vehicle evaporator (108).

9. The thermal management system according to claim 8, characterized in that: Also includes: a fourth one-way valve (117), wherein an inlet of the fourth one-way valve (117) is communicated with a second port of the fourth expansion valve (116), and an outlet of the fourth one-way valve (117) is communicated with an inlet of the in-vehicle evaporator (108); a seventh switch valve (119), wherein the inlet of the seventh switch valve (119) is connected to the outlet of the sixth switch valve (114), the first port of the battery heat exchanger (115), and the inlet of the first one-way valve (106); and the outlet of the seventh switch valve (119) is connected to the inlet of the compressor (101); A fifth one-way valve (118), wherein the inlet of the fifth one-way valve (118) is connected to the outlet of the in-vehicle evaporator (108); and the outlet of the fifth one-way valve (118) is connected to the second port of the fourth expansion valve (116).

10. The thermal management system according to claim 9, characterized in that Also includes: A first regulating valve (120), wherein the inlet of the first regulating valve (120) is communicated with the outlet of the in-vehicle evaporator (108), and the outlet of the first regulating valve (120) is communicated with the inlet of the compressor (101).

11. The thermal management system according to claim 9, characterized in that Also includes: An eighth switch valve (121), wherein a first port of the eighth switch valve (121) is connected to the outlet of the in-vehicle evaporator (108), and a second port of the eighth switch valve (121) is connected to the inlet of the fourth switch valve (110).

12. The thermal management system according to any one of claims 1 to 10, characterized in that: Also includes: a fifth expansion valve (122), wherein an inlet of the fifth expansion valve (122) is in communication with an outlet of the first condenser (102); An air-conditioning evaporator (123), wherein the inlet of the air-conditioning evaporator (123) is communicated with the outlet of the fifth expansion valve (122), and the outlet of the air-conditioning evaporator (123) is communicated with the inlet of the compressor (101).

13. A vehicle refrigerator applied to the thermal management system according to any one of claims 1 to 12, characterized in that: include: A housing (1), wherein the housing (1) is provided with a receiving cavity (13) for placing items; The cold storage heat exchanger (2) is arranged in the shell (1) and is capable of exchanging heat with the accommodating chamber (13); The direct heat exchanger (3) is arranged in the shell (1) and is capable of exchanging heat with the accommodating chamber (13).

14. The vehicle refrigerator according to claim 13, characterized in that: The working state of the vehicle refrigerator includes a first working state. When the vehicle refrigerator is in the first working state, the direct heat exchanger (3) and the cold storage heat exchanger (2) are both in a cooling state, and the direct heat exchanger (3) and the cold storage heat exchanger (2) absorb heat in the accommodating cavity (13) at the same time.

15. The vehicle refrigerator according to claim 13, characterized in that: The working state of the vehicle refrigerator includes a second working state. When the vehicle refrigerator is in the second working state, the direct heat exchanger (3) is in a cooling state, the cold storage heat exchanger (2) is not working, and the direct heat exchanger (3) absorbs heat in the accommodating cavity (13).

16. The vehicle refrigerator according to claim 13, characterized in that: The working state of the vehicle refrigerator includes a third working state. When the vehicle refrigerator is in the third working state, the cold storage heat exchanger (2) is in a cooling state, the direct heat exchanger (3) is not working, and the cold storage heat exchanger (2) absorbs heat in the accommodating cavity (13).

17. The vehicle refrigerator according to claim 13, characterized in that: The working state of the vehicle refrigerator includes a fourth working state. When the vehicle refrigerator is in the fourth working state, the direct heat exchanger (3) and the cold storage heat exchanger (2) are both in a heating state, and the direct heat exchanger (3) and the cold storage heat exchanger (2) transfer heat to the accommodating cavity (13) at the same time.

18. The vehicle refrigerator according to claim 13, characterized in that: The working state of the vehicle refrigerator includes a fifth working state. When the vehicle refrigerator is in the fifth working state, the direct heat exchanger (3) is in a heating state, the cold storage heat exchanger (2) is not working, and the direct heat exchanger (3) transfers heat to the accommodating cavity (13).

19. The vehicle refrigerator according to claim 13, characterized in that: The working state of the vehicle refrigerator includes a sixth working state. When the vehicle refrigerator is in the sixth working state, the cold storage heat exchanger (2) is in a heating state, the direct heat exchanger (3) is not working, and the cold storage heat exchanger (2) transfers heat to the accommodating cavity (13).

20. The vehicle refrigerator according to claim 13, characterized in that: The cold storage heat exchanger (2) comprises a first inlet pipe (21) and a first heat exchange component (22), wherein the inlet of the first inlet pipe (21) is used to connect to the refrigerant outlet of the refrigerant supply device, and the outlet of the first inlet pipe (21) is used to connect to the first heat exchange component (22); The direct heat exchanger (3) comprises a second inlet pipe (31) and a second heat exchange component (32), wherein the inlet of the second inlet pipe (31) is used to connect to the refrigerant outlet of the refrigerant supply device, and the outlet of the second inlet pipe (31) is used to connect to the second heat exchange component (32).

21. The vehicle refrigerator according to any one of claims 13 to 20, characterized in that: The housing (1) comprises an outer shell (11) and an inner shell (12); the inner shell (12) is arranged in the outer shell (11), and the inner shell (12) is provided with the accommodating cavity (13).

22. The vehicle refrigerator according to claim 21, characterized in that: A second installation cavity (15) is formed between the outer shell (11) and the inner tank (12), and the direct heat exchanger (3) is arranged in the second installation cavity (15).

23. The vehicle refrigerator according to claim 21, characterized in that: Part of the accommodating cavity (13) forms a first installation cavity (14), and the cold storage heat exchanger (2) is arranged in the first installation cavity (14).

24. The vehicle refrigerator according to claim 20, characterized in that: The second heat exchange component (32) comprises at least one first heat exchange element (321), and the first heat exchange element (321) is arranged around the accommodating cavity (13); a first heat exchange channel is formed in the first heat exchange element (321), and the inlet of the first heat exchange channel is connected to the outlet of the second inlet pipe (31).

25. The vehicle refrigerator according to claim 24, characterized in that: The first heat exchange component (321) is a heat exchange flat tube (3211).

26. The vehicle refrigerator according to claim 24, characterized in that: There are multiple first heat exchange components (321), and the multiple first heat exchange components (321) are arranged at intervals along the first direction.

27. The vehicle refrigerator according to claim 20, characterized in that: The first heat exchange component (22) comprises: A second heat exchange element (221), wherein a second heat exchange channel is provided in the second heat exchange element (221), and an inlet of the second heat exchange channel is connected to an outlet of the first inlet pipe (21); A cold storage component, wherein a containing space is provided in the cold storage component, and at least a portion of the second heat exchange component (221) is provided in the containing space; A cold storage material is provided between at least a portion of the second heat exchange element (221) and the cold storage element.

28. The vehicle refrigerator according to claim 27, characterized in that: The second heat exchange element (221) comprises a coaxial tube, and the coaxial tube comprises: an inner tube (2212), the inlet of the inner tube (2212) being in communication with the outlet of the first inlet pipe (21), and the inner tube (2212) being provided with the second heat exchange flow channel; An outer tube (2213), wherein the outer tube (2213) is sleeved on the inner tube (2212), the outer tube (2213) forms the cold storage component, and the cold storage material is arranged between the outer wall surface of the inner tube (2212) and the inner wall surface of the outer tube (2213).

29. The vehicle refrigerator according to claim 28, characterized in that: The inner tube (2212) comprises: A plurality of first straight sections (22A), wherein the extension directions of the plurality of first straight sections (22A) are consistent, and the plurality of first straight sections (22A) are arranged in an array along a second direction; A plurality of first bending sections (22B), for any two adjacent first straight sections (22A), the outlet of one of the first straight sections (22A) is connected to the inlet of another first straight section (22A) through one of the first bending sections (22B).

30. The vehicle refrigerator according to claim 29, characterized in that: The outer tube (2213) comprises a plurality of second straight sections (23A), and one of the second straight sections (23A) is sleeved on one of the first straight sections (22A).

31. The vehicle refrigerator according to claim 29, characterized in that: The outer tube (2213) comprises: A plurality of second straight sections (23A), wherein one of the second straight sections (23A) is sleeved on one of the first straight sections (22A); A plurality of second bending sections (23B), one of the second bending sections (23B) being sleeved on one of the first bending sections (22B).

32. The vehicle refrigerator according to claim 28, characterized in that: The cold storage heat exchanger (2) further comprises: A plurality of heat exchange fins (24), wherein the plurality of heat exchange fins (24) are connected to the outer wall surface of the outer tube (2213).

33. The vehicle refrigerator according to claim 32, characterized in that: The heat exchange fins (24) extend along the circumference of the outer tube (2213).

34. The vehicle refrigerator according to claim 27, characterized in that: The cold storage material includes at least one of an inorganic phase change material, an organic phase change material, and a composite phase change material.

35. The vehicle refrigerator according to any one of claims 13 to 20, characterized in that: Also includes: A thermal insulation layer (4), the thermal insulation layer (4) being arranged in the second installation cavity (15) and wrapping at least a portion of the direct heat exchanger (3).

36. The vehicle refrigerator according to claim 35, characterized in that: The material of the thermal insulation layer (4) includes aerogel.

37. The vehicle refrigerator according to any one of claims 13 to 20, characterized in that: Also includes: A heating element, wherein the heating element is arranged in the second installation cavity (15) and is thermally connected to the accommodating cavity (13), and is used to heat the accommodating cavity (13).

38. A vehicle, characterized in that: Including the car body (200): The vehicle further comprises a thermal management system according to any one of claims 1 to 12, wherein the thermal management system is arranged in the vehicle body (200); Or, the vehicle further comprises a vehicle refrigerator as described in any one of claims 13-37, wherein the vehicle refrigerator is arranged in the vehicle body (200).

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