Vehicle-mounted refrigerator system and vehicle

Abstract

The utility model discloses a vehicle-mounted refrigerator system and a vehicle. The vehicle-mounted refrigerator system comprises a refrigerator inner container and a plurality of evaporators. The multiple evaporators are arranged in the refrigerator inner container and used for exchanging heat with the containing space of the refrigerator inner container, the multiple evaporators comprise the first evaporator and the second evaporator, and the first evaporator and the second evaporator are connected in parallel. According to the vehicle-mounted refrigerator system, the evaporators are arranged in parallel, so that the temperature of refrigerants in the evaporators is more uniform, the flow resistance can be reduced, the refrigerant flow of the evaporators connected in parallel can be adjusted conveniently, and the refrigerating effect of a refrigerator is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of vehicle-mounted refrigeration, in particular to a vehicle-mounted refrigerator system and a vehicle. Background Art

[0002] In the existing vehicle refrigerator refrigeration system, the evaporator coil is only provided with one flow channel, which easily leads to uneven refrigeration in the refrigerator.

[0003] Therefore, a vehicle refrigerator system and a vehicle are needed to at least partially solve the above problems. Utility Model Content

[0004] A series of simplified concepts are introduced in the utility model content section, which will be further described in detail in the detailed implementation section. The utility model content section of the utility model does not mean to attempt to define the key features and essential technical features of the technical solution claimed for protection, nor does it mean to attempt to determine the scope of protection of the technical solution claimed for protection.

[0005] In order to at least partially solve the above problems, the first aspect of the utility model provides a vehicle refrigerator system, comprising:

[0006] Refrigerator liner; and

[0007] A plurality of evaporators are provided in the refrigerator inner tank and used for exchanging heat with the accommodating space of the refrigerator inner tank. The plurality of evaporators include a first evaporator and a second evaporator, and the first evaporator and the second evaporator are connected in parallel.

[0008] According to the vehicle refrigerator system of the utility model, the evaporators are arranged in parallel, so that the temperature of the refrigerant in the evaporator is more uniform, and the flow resistance can be reduced, which makes it easy to adjust the refrigerant flow of the parallel evaporators and improves the refrigeration effect of the refrigerator.

[0009] Optionally, the first evaporator is arranged on a first wall surface of the refrigerator inner tank, and the second evaporator is arranged on a second wall surface of the refrigerator inner tank.

[0010] Optionally, the multiple evaporators are arranged on the wall surface of the refrigerator liner surrounding the refrigerator liner.

[0011] Optionally, the multiple evaporators are respectively arranged on different wall surfaces of the refrigerator inner tank.

[0012] Optionally, the multiple evaporators are respectively arranged on different sides of the refrigerator inner tank.

[0013] Optionally, the plurality of evaporators further include a third evaporator, and the third evaporator is connected in parallel or in series with the first evaporator.

[0014] Optionally, the plurality of evaporators further include a fourth evaporator, and the fourth evaporator is connected in parallel or in series with the second evaporator.

[0015] Optionally, the vehicle refrigerator system further includes:

[0016] a first multi-way solenoid valve, an input end of the first evaporator and an input end of the second evaporator being in communication with the first multi-way solenoid valve; and / or

[0017] A second multi-way solenoid valve, the output end of the first evaporator and the output end of the second evaporator are in communication with the second multi-way solenoid valve.

[0018] Optionally, the vehicle refrigerator system also includes a temperature sensor and a controller, the temperature sensor is at least partially arranged inside the refrigerator inner tank, and the temperature sensor is connected to the controller signal, and the controller is connected to the first multi-way solenoid valve and / or the second multi-way solenoid valve signal.

[0019] Optionally, the first wall surface and the second wall surface are arranged opposite to each other, and the refrigerator inner tank further has a third wall surface and a fourth wall surface arranged opposite to each other, wherein the third wall surface is adjacent to both the first wall surface and the second wall surface, and the fourth wall surface is adjacent to both the first wall surface and the second wall surface;

[0020] The first wall surface, the second wall surface, the third wall surface and the fourth wall surface are each provided with at least one evaporator.

[0021] Optionally, the refrigerator inner tank also has a fifth wall, which is adjacent to the first wall, the second wall, the third wall and the fourth wall, at least one evaporator is arranged on the outer side of the fifth wall, and the side of the refrigerator inner tank opposite to the fifth wall is constructed as an opening.

[0022] A second aspect of the utility model provides a vehicle, comprising the vehicle refrigerator system described in the first aspect. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] The following drawings of the present invention are used as a part of the present invention for understanding the present invention. The drawings show the embodiments of the present invention and their descriptions, and are used to explain the principle of the present invention.

[0024] In the attached figure:

[0025] Figure 1 It is a schematic diagram of a vehicle refrigerator system according to an optional embodiment of the utility model.

[0026] Description of reference numerals:

[0027] 1: Refrigerator liner 2: First wall 3: Second wall

[0028] 4: Third wall 5: Fourth wall 6: Heat absorption unit

[0029] 7: heat absorption path 8: evaporator 8a: first evaporator

[0030] 8b: Second evaporator 8c: Third evaporator 8d: Fourth evaporator

[0031] 9: Compressor 10: Cooling unit 11: Condenser

[0032] 12: Fan 13: Gas-liquid separator 14: Multi-way valve

[0033] 15: Capillary 14a: First multi-way solenoid valve 14b: Second multi-way solenoid valve DETAILED DESCRIPTION

[0034] In the following description, a large number of specific details are given to provide a more thorough understanding of the utility model. However, it is obvious to those skilled in the art that the utility model can be implemented without one or more of these details. In other examples, in order to avoid confusion with the utility model, some technical features known in the art are not described.

[0035] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit exemplary embodiments according to the utility model. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should also be understood that when the terms "comprise" and / or "include" are used in this specification, it indicates the presence of the features, wholes, steps, operations, elements and / or components, but does not exclude the presence or addition of one or more other features, wholes, steps, operations, elements, components and / or combinations thereof.

[0036] Ordinal numbers such as "first" and "second" cited in the present invention are merely identifiers and do not have any other meaning, such as a specific order. Moreover, for example, the term "first component" itself does not imply the existence of a "second component", and the term "second component" itself does not imply the existence of a "first component". It should be noted that the terms "upper", "lower", "front", "back", "left", "right", "inner", "outer" and similar expressions used in this document are for illustrative purposes only and are not limiting.

[0037] A first aspect of the utility model provides a vehicle-mounted refrigerator system.

[0038] Now, exemplary embodiments according to the present invention will be described in more detail with reference to the accompanying drawings.

[0039] like Figure 1 As shown, the vehicle refrigerator system includes a refrigerator liner 1 and a plurality of evaporators 8. The plurality of evaporators 8 are arranged in the refrigerator liner 1 and are used to exchange heat with the accommodation space of the refrigerator liner 1. The plurality of evaporators 8 include a first evaporator 8a and a second evaporator 8b, and the first evaporator 8a and the second evaporator 8b are connected in parallel.

[0040] According to the vehicle refrigerator system of the utility model, the evaporators are arranged in parallel, so that the temperature of the refrigerant in the evaporator is more uniform, and the flow resistance can be reduced, which makes it easy to adjust the refrigerant flow of the parallel evaporators and improves the refrigeration effect of the refrigerator.

[0041] Preferably, the plurality of evaporators 8 further include a third evaporator 8c and a fourth evaporator 8d. The third evaporator is connected in parallel or in series with the first evaporator 8a, and the fourth evaporator 8d is connected in parallel or in series with the second evaporator 8b. Figure 1 In the illustrated embodiment, the third evaporator 8c is connected in series with the first evaporator 8a to form a heat absorption passage 7, and the fourth evaporator 8d is connected in series with the second evaporator 8b to form a heat absorption passage 7, thereby forming two parallel heat absorption passages 7.

[0042] In the embodiment not shown, the third evaporator 8c is connected in parallel with the first evaporator 8a, and the fourth evaporator 8d is connected in parallel with the second evaporator 8b. Thus, each evaporator 8 independently forms a heat absorption passage 7, so as to form four parallel heat absorption passages 7.

[0043] In other words, the combination of the above-mentioned heat absorption passages 7 can be referred to as a heat absorption unit 6, and the heat absorption unit 6 is used to exchange heat with the accommodating space of the refrigerator inner tank 1. The heat absorption unit 6 includes the above-mentioned multiple evaporators 8, and the multiple evaporators 8 are surrounded and distributed outside the refrigerator inner tank 1, and the multiple evaporators 8 form at least two heat absorption passages 7 arranged in parallel, wherein each heat absorption passage 7 is provided with at least one evaporator 8.

[0044] According to the vehicle refrigerator system of the present application, a distributed evaporator is adopted to ensure that the items inside the refrigerator are cooled evenly, so that the refrigerator has a better refrigeration effect and higher refrigeration efficiency. Combined with the arrangement of the distributed evaporators connected in parallel, the heat exchange of each inner wall surface is more uniform and it is more convenient to adjust the refrigerant flow of each wall surface, which further improves the refrigeration effect of the refrigerator and makes it more efficient.

[0045] exist Figure 1In the specific embodiment shown, the refrigerator liner 1 has a first wall 2 and a second wall 3 arranged oppositely, and also has a third wall 4 and a fourth wall 5 arranged oppositely, wherein the third wall 4 is adjacent to the first wall 2 and the second wall 3, and the fourth wall 5 is adjacent to the first wall 2 and the second wall 3, and at least one evaporator 8 is arranged on the outside of the first wall 2, the second wall 3, the third wall 4 and the fourth wall 5, and the refrigeration effect is achieved by contacting and conducting heat with the refrigerator liner 1. Specifically, the first evaporator 8a is arranged on the first wall 2, the second evaporator is arranged on the second wall 3, the third evaporator 8c is arranged on the third wall 4, and the fourth evaporator 8d is arranged on the fourth wall 5. By arranging the evaporator 8 on the first wall 2, the second wall 3, the third wall 4 and the fourth wall 5, evenly surrounding the outside of the refrigerator liner 1, the refrigerator liner 1 has a cold source input all around, so that the internal items are cooled evenly, the refrigerator refrigeration effect is better, and the refrigeration efficiency is higher.

[0046] The two evaporators 8 arranged on the first wall 2 and the third wall 4 are arranged in series to form a heat absorption passage 7. In other words, the third evaporator 8c is connected in series with the first evaporator 8a. The two evaporators 8 arranged on the second wall 3 and the fourth wall 5 are arranged in series to form another heat absorption passage 7. The fourth evaporator 8d is connected in series with the second evaporator 8b. The above two heat absorption passages 7 are arranged in parallel. This is a setting mode of the heat absorption passage 7 in the utility model, that is, two or more heat absorption passages 7 are arranged in parallel, and each heat absorption passage 7 includes at least two evaporators 8 arranged in series.

[0047] In the part not shown in the figure, the heat absorption passage 7 in the utility model also has another setting mode, and multiple evaporators 8 surrounding the refrigerator inner tank 1 are arranged in parallel, and each heat absorption passage 7 is provided with an evaporator 8, and each evaporator 8 can form a heat absorption passage 7 independently. Both methods can reduce flow resistance, increase refrigerant flow, enhance the refrigeration effect of the refrigerator, and reduce energy consumption.

[0048] The refrigerator liner 1 may also have a fifth wall (not shown), which is adjacent to the first wall 2, the second wall 3, the third wall 4 and the fourth wall 5, and the side of the refrigerator liner 1 opposite to the fifth wall may be constructed as an opening. In other words, the fifth wall may be the bottom wall of the accommodating cavity of the refrigerator liner 1, and the first wall 2, the second wall 3, the third wall 4 and the fourth wall 5 are four side walls arranged around the accommodating cavity. At least one evaporator 8 is arranged on the outside of the fifth wall to further increase heat conduction and enhance the refrigeration effect. The at least one evaporator 8 mentioned above may be arranged in series with other evaporators 8 on one of the multiple heat absorption passages 7, or may be arranged in parallel with other multiple heat absorption passages 7 to form a heat absorption passage 7 alone.

[0049] like Figure 1As shown, the vehicle refrigerator system further includes a compressor 9 and a heat dissipation unit 10. The heat dissipation unit 10 is used to exchange heat with the atmosphere. The input end of the heat absorption unit 6 is connected in series with the heat dissipation unit 10. The output end of the heat absorption unit 6 is connected in series with the compressor 9. The compressor 9 and the heat dissipation unit 10 are connected in series to form a loop. The heat dissipation unit 10 further includes a condenser 11 and a fan 12. The condenser 11 is connected in series between the compressor 9 and the heat dissipation unit 10. The compressor 9 converts the low-pressure gas into high-pressure gas and sends it to the condenser 11. The condenser 11 converts the gas into a liquid refrigerant and then sends it to the heat absorption unit 6.

[0050] A gas-liquid separator 13 is provided between the compressor 9 and the heat absorbing unit 6. One end of the gas-liquid separator 13 is connected to the condenser 11, and the other end is connected to the evaporator 8 provided on the second wall surface 3 and the evaporator 8 provided on the third wall surface 4 through a multi-way valve 14. The gas refrigerant further absorbs heat in the heat absorbing unit 6 to become a gas-liquid mixed refrigerant, and the gas-liquid separator 13 can achieve gas-liquid separation of the gas-liquid mixed refrigerant.

[0051] A capillary tube 15 is arranged in series between the heat dissipation unit 10 and the heat absorption unit 6. The utility model uses the capillary tube 15 instead of the commonly used electronic expansion valve. The capillary tube 15 has no moving parts, does not require power supply and control signals, is not prone to failure during use, is conducive to reducing the number of maintenance times, and is convenient for users to use. At the same time, the capillary tube 15 has a simple structure and a low cost, which is conducive to reducing the overall cost of the refrigerator.

[0052] One end of the capillary tube 15 is connected to the condenser 11, and the other end is connected to the evaporator 8 arranged on the first wall 2 and the evaporator 8 arranged on the fourth wall 5 through the multi-way valve 14. The refrigerant in the condenser 11 enters the evaporator 8 arranged on the first wall 2 and the evaporator 8 arranged on the fourth wall 5 through the capillary tube 15, and then enters the evaporator 8 arranged on the second wall 3 and the evaporator 8 arranged on the third wall 4. This can make the wall temperatures of the first wall 2, the evaporator 8 on the fourth wall 5, the second wall 3 and the third wall 4 closer, have a good refrigeration effect on the items in the refrigerator, and the wall temperature is uniform. The amount of cold received by the items in the refrigerator is roughly the same, ensuring that the temperature of the objects in the refrigerator is closer to the target temperature.

[0053] The refrigerant enters the evaporator 8 arranged on the first wall 2 and the evaporator 8 arranged on the fourth wall 5 respectively to initially absorb heat, and then passes through the evaporator 8 arranged on the second wall 3 and the evaporator 8 arranged on the third wall 4 respectively to further absorb heat and become a gas-liquid mixed refrigerant. The gas-liquid mixed refrigerant flows into the gas-liquid separator 13 for gas-liquid separation, and the gas returns to the compressor 9 again to complete the refrigeration cycle.

[0054] Figure 1The two heat absorbing passages 7 in the heat absorbing unit 6 can be connected in parallel through a solenoid valve at the input end and the output end of the heat absorbing unit 6, so as to control the two heat absorbing passages 7 and the evaporator 8 arranged in the heat absorbing passages 7. In other words, the multi-way valve 14 can be constructed as a multi-way solenoid valve.

[0055] Specifically, the vehicle refrigerator system further includes a first multi-way solenoid valve 14a, and the input end of the first evaporator 8a and the input end of the second evaporator 8b are connected to the first multi-way solenoid valve 14a. Preferably, the vehicle refrigerator system further includes a second multi-way solenoid valve 14b, and the output end of the first evaporator 8a and the output end of the second evaporator 8b are connected to the second multi-way solenoid valve 14b. Figure 1 In the embodiment shown, the input end of the first evaporator 8a and the input end of the fourth evaporator 8d are connected to the first multi-way solenoid valve 14a, and the output end of the third evaporator 8c and the output end of the second evaporator 8b are connected to the second multi-way solenoid valve 14b. The first multi-way solenoid valve 14a and / or the second multi-way solenoid valve 14b are used to condition the flow rate of the refrigerant entering the evaporator 8 of different flow paths, so as to accurately control the cooling capacity.

[0056] The vehicle refrigerator system may further include a temperature sensor (not shown) and a controller (not shown). The temperature sensor is at least partially disposed inside the refrigerator liner 1, and the temperature sensor is signal-connected to the controller. The controller is signal-connected to a multi-way solenoid valve, such as the first multi-way solenoid valve 14a and / or the second multi-way solenoid valve 14b. By setting a temperature sensor to monitor the temperature, the controller can control the multi-way solenoid valve and allocate the cooling capacity in each evaporator 8 in a more reasonable and intelligent manner.

[0057] A second aspect of the utility model provides a vehicle, comprising the above-mentioned vehicle refrigerator system.

[0058] The vehicle refrigerator system provided by the utility model achieves a variety of beneficial technical effects by arranging multiple evaporators 8 in parallel and distributed manner around the refrigerator inner tank 1. On the first hand, the reliability and stability of the vehicle refrigerator system are improved. By connecting multiple heat absorption paths 7 in parallel, the flow rate of the entire system is increased, the pressure on a single path is reduced, the failure rate is reduced, and the failure of one branch will not affect the normal operation of other paths. On the second hand, the system resistance loss is reduced, the distance that the refrigerant flows through the path is shortened, the energy consumed by the refrigerant flow is reduced, and the energy utilization efficiency is improved; on the third hand, the flexibility of the system is increased, which can better adapt to the operating requirements under different load conditions and improve the system's adaptability to a changing environment; on the fourth hand, the refrigeration efficiency of the refrigerator is improved, the heat transfer area of ​​the system is increased while reducing the refrigeration time, and a practical and effective improvement is provided to the existing vehicle refrigerator system in terms of technical effects.

[0059] Unless otherwise defined, the technical and scientific terms used herein have the same meaning as those generally understood by those skilled in the art of the present invention. The terms used herein are only for describing specific implementation purposes and are not intended to limit the present invention. The features described herein in one embodiment may be applied to another embodiment alone or in combination with other features, unless the feature is not applicable or otherwise specified in the other embodiment.

[0060] The present invention has been described through the above-mentioned embodiments, but it should be understood that the above-mentioned embodiments are only for the purpose of example and explanation, and the present invention is not limited to the above-mentioned embodiments. According to the teachings of the present invention, more variations and modifications can be made, and these variations and modifications all fall within the scope of protection required by the present invention.

Claims

1. A vehicle refrigerator system, characterized in that: include: Refrigerator liner; as well as A plurality of evaporators are provided in the refrigerator inner tank and used for exchanging heat with the storage space of the refrigerator inner tank. The plurality of evaporators surround the refrigerator inner tank and are provided on the wall surface of the refrigerator inner tank. The plurality of evaporators include a first evaporator and a second evaporator, and the first evaporator and the second evaporator are connected in parallel.

2. The vehicle refrigerator system according to claim 1, characterized in that: The first evaporator is arranged on a first wall surface of the refrigerator inner container, and the second evaporator is arranged on a second wall surface of the refrigerator inner container.

3. The vehicle refrigerator system according to claim 1, characterized in that: The multiple evaporators are respectively arranged on different wall surfaces of the refrigerator inner container.

4. The vehicle refrigerator system according to claim 1, characterized in that: The multiple evaporators are respectively arranged on different sides of the refrigerator inner container.

5. The vehicle refrigerator system according to any one of claims 1 to 3, characterized in that: The plurality of evaporators further includes a third evaporator connected in parallel or in series with the first evaporator.

6. The vehicle refrigerator system according to claim 5, characterized in that: The plurality of evaporators further includes a fourth evaporator connected in parallel or in series with the second evaporator.

7. The vehicle refrigerator system according to claim 1, characterized in that: The vehicle refrigerator system further includes: a first multi-way solenoid valve, an input end of the first evaporator and an input end of the second evaporator being in communication with the first multi-way solenoid valve; and / or A second multi-way solenoid valve, the output end of the first evaporator and the output end of the second evaporator are in communication with the second multi-way solenoid valve.

8. The vehicle refrigerator system according to claim 7, characterized in that: The vehicle refrigerator system also includes a temperature sensor and a controller. The temperature sensor is at least partially arranged inside the refrigerator liner, and the temperature sensor is connected to the controller signal. The controller is connected to the first multi-way solenoid valve and / or the second multi-way solenoid valve signal.

9. The vehicle refrigerator system according to claim 2, characterized in that: The first wall surface and the second wall surface are arranged opposite to each other, and the refrigerator inner tank further has a third wall surface and a fourth wall surface arranged opposite to each other, wherein the third wall surface is adjacent to both the first wall surface and the second wall surface, and the fourth wall surface is adjacent to both the first wall surface and the second wall surface; The first wall surface, the second wall surface, the third wall surface and the fourth wall surface are each provided with at least one evaporator.

10. The vehicle refrigerator system according to claim 9, characterized in that: The refrigerator liner also has a fifth wall, which is adjacent to the first wall, the second wall, the third wall and the fourth wall. At least one evaporator is arranged on the outer side of the fifth wall, and the side surface of the refrigerator liner opposite to the fifth wall is configured as an opening.

11. A vehicle, characterized in that: It comprises a vehicle refrigerator system according to any one of claims 1-10.

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