Energy storage tank upper cover and vehicle-mounted refrigerator

Abstract

This invention discloses an energy storage tank cover and a vehicle-mounted refrigerator. The energy storage tank cover is disposed on a lower tank body, and one side of the lower tank body is connected to the refrigerator body. The energy storage tank cover includes: an upper cover body, a cover, a fan assembly, and a liquid injection assembly. The upper cover body is detachably connected to the lower tank body; the cover is disposed on the upper cover body, and a receiving cavity is formed between the upper cover body and the cover; the fan assembly is disposed on one side of the upper cover body and located within the receiving cavity; the liquid injection assembly is disposed on the upper cover body and located outside the receiving cavity; an air duct is provided on the other side of the lower tank body, the bottom of the air duct connecting to the refrigerator body and the top connecting to the receiving cavity; the fan assembly draws air from the air duct and blows air towards the refrigerator body; the liquid injection assembly is connected to the lower tank body. This invention significantly improves the ease of assembly and disassembly by detachably connecting the upper cover body to the lower tank body; the air duct connects the refrigerator body and the receiving cavity; and the fan assembly draws air from the direction of the air duct, enabling rapid gas circulation within the vehicle-mounted refrigerator.

Description

Technical Field

[0001] This invention relates to vehicle refrigerators, and more particularly to an energy storage tank cover and a vehicle refrigerator. Background Technology

[0002] As the core component of the energy storage and cold preservation system of vehicle-mounted refrigerators, energy storage tanks are mainly used in vehicle-mounted refrigeration, cold chain transportation and other vehicle-mounted scenarios. The sealing performance, heat dissipation effect and ease of liquid filling of the tank directly affect the cold preservation efficiency, operational stability and service life of vehicle-mounted refrigerators.

[0003] During vehicle operation, the vehicle experiences bumps and fluctuating ambient temperatures. The vehicle refrigerator needs to operate stably for a long time to maintain a low internal temperature environment. As a key sealing and functional component of the energy storage tank, the rationality and adaptability of its structural design are particularly important.

[0004] The existing vehicle refrigerator energy storage tank cover is mostly an integrated structure, which is inconvenient to disassemble and install, and is not conducive to the later maintenance and repair of the tank cavity. When the energy storage and cold preservation medium inside the tank deteriorates, impurities accumulate, or internal components are damaged, it is necessary to disassemble the entire energy storage tank or even disassemble the relevant parts of the vehicle refrigerator. This is not only time-consuming and labor-intensive, but also affects the normal use of the vehicle refrigerator and increases maintenance costs.

[0005] In addition, the existing air duct connection between the top cover and the tank is unreasonable. It mostly adopts a single through-hole design without a corresponding airflow guiding structure, and it is not adapted to the airflow stability of the vehicle bumpy scenario, resulting in low fan suction efficiency and inability to quickly realize the gas circulation in the vehicle refrigerator, which can easily lead to pressure imbalance and excessive temperature in the tank. Summary of the Invention

[0006] The purpose of this invention is to provide an energy storage tank cover and a vehicle refrigerator, which aims to solve the problems of difficult disassembly and assembly of existing vehicle refrigerator energy storage tanks and the inability to quickly achieve gas circulation inside the vehicle refrigerator.

[0007] To solve the above-mentioned technical problems, the present invention is achieved through the following technical solution: This invention provides an energy storage tank cover, which is disposed on a lower tank body. One side of the lower tank body is connected to a refrigerator body. The energy storage tank cover includes: an upper cover body, a cover, a fan assembly, and a liquid injection assembly. The upper cover body is detachably connected to the lower tank body. The cover is disposed on the upper cover body, and a receiving cavity is formed between the upper cover body and the cover. The fan assembly is disposed on one side of the upper cover body and located within the receiving cavity. The liquid injection assembly is disposed on the upper cover body and located outside the receiving cavity. An air duct is provided on the other side of the lower tank body. The bottom of the air duct is connected to the refrigerator body, and the top is connected to the receiving cavity. The fan assembly draws air from the air duct and blows air towards the refrigerator body. The liquid injection assembly is connected to the lower tank body.

[0008] Furthermore, the upper cover body is provided with a receiving groove, and the fan assembly is disposed in the receiving groove.

[0009] Furthermore, the energy storage tank cover also includes a limiting frame, the two ends of which are connected to the cover body and located on both sides of the receiving groove, for limiting the movement of the fan assembly.

[0010] Furthermore, the top of the lower tank gradually rises from the side closer to the refrigerator body to the side closer to the air duct, and the bottom of the upper cover body follows the shape of the top of the lower tank.

[0011] Furthermore, the energy storage tank cover also includes a sealing assembly, which includes a plurality of first connecting portions disposed at the bottom of the cover body and a plurality of second connecting portions disposed at the top of the lower tank body, wherein the first connecting portions are connected to the corresponding second connecting portions by screws.

[0012] Furthermore, the bottom of the upper cover body is provided with a sealing groove along the circumferential direction facing the top of the lower tank body, and the sealing assembly further includes a sealing ring, which is installed in the sealing groove and protrudes from the sealing groove towards the top of the lower tank body.

[0013] Furthermore, the fan assembly includes: a fan mounting plate, a fan base, a fan body, and a quick-release structure. One side of the fan mounting plate is mounted on the refrigerator body; one side of the fan base is connected to the other side of the fan mounting plate; the fan body is connected to the other side of the fan base, and the fan body blows air towards the fan mounting plate; the quick-release structure includes two buckles located on both sides of the bottom of the fan mounting plate and two limiting members corresponding to the two buckles on the refrigerator body, and the buckles detachably abut against the limiting members.

[0014] Furthermore, a third connecting part is provided on the upper cover body, and a fourth connecting part corresponding to the third connecting part is provided at the bottom of the cover body. The third connecting part and the fourth connecting part are connected by screws. One side of the cover body abuts against the limiting frame, and the other side covers the air duct.

[0015] Furthermore, the liquid injection assembly includes a liquid injection pipe and a pipe cap. One end of the liquid injection pipe is connected to the lower tank body, and the other end has a liquid injection port. The pipe cap is detachably installed on the liquid injection port.

[0016] The present invention also provides a vehicle refrigerator, comprising: a refrigerator body, a lower tank, an evaporator, and an energy storage tank cover as described above, wherein the other side of the lower tank is connected to one side of the refrigerator body and the lower tank is connected to the bottom of the refrigerator body, the evaporator is connected to the side of the air duct away from the lower tank, and the energy storage tank cover is connected to the top of the refrigerator body.

[0017] This invention provides an energy storage tank cover and a vehicle-mounted refrigerator. The energy storage tank cover is disposed on a lower tank body, and one side of the lower tank body is connected to the refrigerator body. The energy storage tank cover includes: an upper cover body, a cover, a fan assembly, and a liquid injection assembly. The upper cover body is detachably connected to the lower tank body; the cover is disposed on the upper cover body, and a receiving cavity is formed between the upper cover body and the cover; the fan assembly is disposed on one side of the upper cover body and located within the receiving cavity; the liquid injection assembly is disposed on the upper cover body and located outside the receiving cavity; an air duct is provided on the other side of the lower tank body, with the bottom of the air duct connected to the refrigerator body and the top connected to the receiving cavity. The fan assembly draws air from the air duct and blows air towards the refrigerator body, and the liquid injection assembly is connected to the lower tank body. This invention significantly improves the ease of assembly and disassembly by detachably connecting the upper cover body to the lower tank body. The air duct on one side of the lower tank body connects the refrigerator body and the receiving cavity, and the fan assembly draws air from the air duct and blows air towards the refrigerator body. This optimizes the air duct guiding structure, improves the fan suction efficiency, and enables rapid gas circulation within the vehicle-mounted refrigerator. Attached Figure Description

[0018] To more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the following description of the embodiments will be briefly introduced. Obviously, the drawings described below are some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0019] Figure 1 This is a first-view structural schematic diagram of the energy storage tank provided in an embodiment of the present invention; Figure 2 This is a schematic diagram of the structure of the cover provided in an embodiment of the present invention; Figure 3 This is a structural schematic diagram of the energy storage tank from a second perspective, provided in an embodiment of the present invention. Figure 4 This is a structural schematic diagram of the energy storage tank from a third-view perspective, provided in an embodiment of the present invention. Figure 5 This is a schematic diagram of the structure of the fan assembly provided in an embodiment of the present invention; Figure 6 This is a structural schematic diagram of the energy storage tank from a fourth perspective, provided in an embodiment of the present invention. Figure 7 Partial Figure A provided for an embodiment of the present invention; Figure 8This is a schematic diagram of the structure of the sealing ring provided in an embodiment of the present invention; Figure 9 This is a schematic diagram of the structure of the refrigerator body provided in an embodiment of the present invention; Figure 10 Partial Figure B provided for an embodiment of the present invention; Figure 11 This is a schematic diagram of the quick-release structure provided in an embodiment of the present invention.

[0020] Explanation of the markings in the image: 1. Energy storage tank cover; 11. Cover body; 111. Receiving groove; 112. Third connecting part; 12. Cover body; 121. Fourth connecting part; 13. Fan assembly; 131. Fan mounting plate; 132. Fan base; 133. Fan body; 134. Quick release structure; 135. Buckle; 14. Liquid injection assembly; 141. Liquid injection pipe; 142. Liquid injection port; 15. Receiving cavity; 16. Limiting frame; 17. Sealing assembly; 171. First connecting part; 172. Second connecting part; 173. Sealing ring; 174. Sealing groove; 2. Lower tank body; 3. Air duct; 4. Refrigerator body; 41. Limiting component; 5. Evaporator. Detailed Implementation

[0021] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0022] It should be understood that, when used in this specification and the appended claims, the terms "comprising" and "including" indicate the presence of the described features, integrals, steps, operations, elements and / or components, but do not exclude the presence or addition of one or more other features, integrals, steps, operations, elements, components and / or collections thereof.

[0023] It should also be understood that the terminology used in this specification is for the purpose of describing particular embodiments only and is not intended to limit the invention. As used in this specification and the appended claims, the singular forms “a,” “an,” and “the” are intended to include the plural forms unless the context clearly indicates otherwise.

[0024] It should also be further understood that the term "and / or" as used in this specification and the appended claims refers to any combination of one or more of the associated listed items and all possible combinations, and includes such combinations.

[0025] Combination Figure 1-11 As shown, the present invention provides an energy storage tank cover 1, which is installed on a lower tank body 2. One side of the lower tank body 2 is connected to a refrigerator body 4. The energy storage tank cover 1 includes: an upper cover body 11, a cover 12, a fan assembly 13, and a liquid injection assembly 14. The upper cover body 11 is detachably connected to the lower tank body 2. The cover 12 is installed on the upper cover body 11, and a receiving cavity 15 is formed between the upper cover body 11 and the cover 12. The fan assembly 13 is disposed on one side of the upper cover body 11 and located inside the receiving cavity 15. The liquid injection assembly 14 is disposed on the upper cover body 11 and located outside the receiving cavity 15. An air duct 3 is provided on the other side of the lower tank body 2. The bottom of the air duct 3 is connected to the refrigerator body 4, and the top is connected to the receiving cavity 15. The fan assembly 13 draws air from the air duct 3 and blows air towards the refrigerator body 4. The liquid injection assembly 14 is connected to the lower tank body 2.

[0026] In this embodiment of the invention, the upper cover body 11 is detachably connected to the lower tank body 2. Compared with the existing integrated structure, this greatly improves the ease of disassembly and assembly. When performing maintenance and repair on the inner cavity of the tank, the energy storage and cold preservation medium, and internal components, it is not necessary to disassemble the entire energy storage tank and related components of the vehicle refrigerator, saving operation time and labor costs and ensuring the normal use of the vehicle refrigerator. Secondly, the cover body 12 and the upper cover body 11 form a receiving cavity 15. The fan assembly 13 is placed inside the receiving cavity 15, and the liquid injection assembly 14 is placed outside the receiving cavity 15, achieving physical separation between the two. This effectively prevents liquid from splashing and damaging the fan assembly 13 during vehicle liquid injection. At the same time, the receiving cavity 15 can protect the fan assembly 13, adapting to the bumpy driving scenario and preventing the fan assembly 13 from being damaged by vibration, thus improving operational stability. Furthermore, the air duct 3 on the other side of the lower tank 2 connects the refrigerator body 4 and the receiving cavity 15, and the fan assembly 13 draws air from the air duct 3 and blows air towards the refrigerator body 4. The optimized airflow structure of the air duct 3 improves the fan's suction efficiency, enabling rapid gas circulation within the vehicle refrigerator, thereby enhancing the refrigerator's cooling efficiency and duration of continuous cooling. This solves the problems of difficult disassembly and assembly and the inability to quickly achieve gas circulation within the vehicle refrigerator's energy storage tank in existing vehicles.

[0027] In some specific embodiments, the upper cover body 11 is provided with a receiving groove 111, and the fan assembly 13 is disposed in the receiving groove 111.

[0028] In this embodiment, the receiving slot 111 provides precise positioning and protection for the fan assembly 13, adapting to the bumpy environment of a vehicle and effectively preventing the fan assembly 13 from shifting or being damaged by collisions due to vehicle vibrations, thus significantly improving operational stability. Simultaneously, the receiving slot 111 organizes the installation layout of the fan assembly 13, reducing space occupation and making the top cover structure more compact, meeting the requirements of limited installation space for vehicle refrigerators. Furthermore, the receiving slot 111 guides concentrated airflow, further improving fan suction efficiency in conjunction with the air duct 3 design, helping to quickly regulate the temperature and pressure inside the tank, delaying the aging of the energy storage and cold preservation medium, and ensuring the cold preservation effect of the vehicle refrigerator.

[0029] In some specific embodiments, the energy storage tank cover 1 further includes a limiting frame 16, the two ends of which are connected to the cover body 11 and located on both sides of the receiving groove 111, for limiting the movement of the fan assembly 13.

[0030] In this embodiment, the limiting frame 16 can cooperate with the receiving slot 111 to form a double limiting and fixing of the fan assembly 13 within the receiving slot 111. This adapts to the bumpy and shaking environment during vehicle operation, effectively preventing the fan assembly 13 from shifting, shaking, or colliding, avoiding fan damage and operational malfunctions, and significantly improving the operational stability of the fan assembly 13 and the entire energy storage tank. At the same time, the limiting frame 16 has a simple structure, is easy to install, and does not occupy too much space. It can work with the receiving slot 111 to further organize the layout of the fan assembly 13, making the structure of the energy storage tank cover 1 more compact and suitable for the narrow installation space of the vehicle refrigerator.

[0031] In some specific embodiments, the top of the lower tank 2 gradually rises from the side closer to the refrigerator body 4 to the side closer to the air duct 3, and the bottom of the upper cover body 11 follows the shape of the top of the lower tank 2.

[0032] In this embodiment, the top of the lower tank 2 gradually rises from the side closer to the refrigerator body 4 to the side closer to the air duct 3, and the bottom of the upper cover body 11 follows the shape of the top of the lower tank 2. This inclined structure makes the side of the upper cover body 11 with the receiving groove 111 located at a low position, which can make full use of the low space to provide sufficient installation space for the fan assembly 13 without increasing the overall volume of the upper cover. It perfectly adapts to the narrow installation environment of the vehicle refrigerator, while also organizing the installation layout of the fan assembly 13 and avoiding interference with structures such as the liquid injection assembly 14.

[0033] In some specific embodiments, the energy storage tank cover 1 further includes a sealing assembly 17, which includes a plurality of first connecting parts 171 disposed at the bottom of the cover body 11 and a plurality of second connecting parts 172 disposed at the top of the lower tank body 2. The first connecting parts 171 and the corresponding second connecting parts 172 are connected by screws (not shown).

[0034] In this embodiment, multiple corresponding first connecting parts 171 and second connecting parts 172 are fixed with screws, which can achieve precise alignment and firm connection between the upper cover body 11 and the lower tank 2, effectively resisting bumps and shaking during vehicle operation, preventing loosening at the connection point, and improving the overall structural stability. At the same time, the screw connection method is convenient for disassembly and assembly, facilitating later maintenance and repair. The even distribution of multiple connecting parts can make the sealing force more uniform, further improving the sealing performance of the upper cover and the lower tank 2, eliminating leakage of the energy storage and cold preservation medium, and ensuring safe use. This structure is simple in design, low in cost, does not occupy too much installation space, is suitable for the small layout of vehicle refrigerators, and balances robustness, sealing, and convenience, providing a reliable guarantee for the stable and efficient operation of the vehicle refrigerator energy storage tank.

[0035] In some specific embodiments, the bottom of the upper cover body 11 is provided with a sealing groove 174 along the circumferential direction facing the top of the lower tank 2. The sealing assembly 17 also includes a sealing ring 173, which is installed in the sealing groove 174 and protrudes from the sealing groove 174 towards the top of the lower tank 2.

[0036] In this embodiment, the circumferentially arranged sealing groove 174 can precisely limit the sealing ring 173, preventing it from shifting or falling off due to bumps and shaking during vehicle operation, thus ensuring sealing reliability. The sealing ring 173 protrudes from the sealing groove 174 and fits tightly against the top of the lower tank 2, filling the tiny gaps between the upper cover and the tank body, significantly improving sealing performance, preventing leakage of the energy storage and cold preservation medium, and avoiding affecting the cold preservation effect and safety of the vehicle refrigerator.

[0037] In some specific embodiments, the fan assembly 13 includes: a fan mounting plate 131, a fan base 132, a fan body 133, and a quick-release structure 134. One side of the fan mounting plate 131 is mounted on the refrigerator body 4; one side of the fan base 132 is connected to the other side of the fan mounting plate 131; the fan body 133 is connected to the other side of the fan base 132, and the fan body 133 blows air towards the fan mounting plate 131; the quick-release structure 134 includes two buckles 135 located on both sides of the bottom of the fan mounting plate 131 and two limiting members 41 provided on the refrigerator body 4 corresponding to the two buckles 135, and the buckles 135 detachably abut against the limiting members 41.

[0038] In this embodiment, the fan assembly 13 is connected to the refrigerator body 4. The stability of the refrigerator body 4 can be used to further fix the fan assembly 13. Combined with the limiting effect of the upper cover receiving groove 111 and the limiting frame 16, multiple fixing effects are formed, which can effectively resist the severe bumps and shaking during vehicle driving, prevent the fan assembly 13 from shifting, loosening or being damaged by collision, greatly improve the stability of fan operation, avoid the impact of fan failure on the cooling efficiency of the energy storage tank, and ensure the cold preservation effect of the vehicle refrigerator.

[0039] Furthermore, the two clips 135 and the two limiting pieces 41 abut against each other, which not only helps to fix the fan assembly 13, but also ensures precise positioning, guaranteeing accurate fan installation and ensuring that the fan's air intake direction precisely aligns with the air duct 3, thereby improving cooling efficiency. Meanwhile, the quick-release structure 134 has a compact design, not occupying too much of the vehicle refrigerator's limited space. Its simple yet robust structure balances stability, convenience, and practicality, effectively extending the service life of the fan assembly 13 and providing reliable assurance for the stable and efficient operation of the energy storage tank and the vehicle refrigerator, meeting the special usage requirements of vehicle scenarios.

[0040] In some specific embodiments, the upper cover body 11 is provided with a third connecting part 112, and the bottom of the cover body 12 is provided with a fourth connecting part 121 corresponding to the third connecting part 112. The third connecting part 112 and the fourth connecting part 121 are connected by screws (not shown). One side of the cover body 12 abuts against the limiting frame 16, and the other side covers the air duct 3.

[0041] In this embodiment, the third connecting part 112 and the fourth connecting part 121 are connected by screws to securely fix the cover 12 to the upper cover body 11, resisting vehicle bumps and shaking, preventing the cover 12 from loosening and falling off, and facilitating easy disassembly and assembly, thus simplifying later maintenance of the fan assembly 13. One side of the cover 12 abuts against the limiting frame 16, which can help reinforce the limiting frame 16 and further improve the installation stability of the fan assembly 13, preventing it from shifting due to vibration. The other side of the cover 12 covers the air duct 3, which can protect the air duct 3, prevent dust and debris from entering the air duct 3 during vehicle operation, and ensure the airtightness of the receiving cavity 15.

[0042] In some specific embodiments, the liquid injection assembly 14 includes a liquid injection pipe 141 and a pipe cap (not shown). One end of the liquid injection pipe 141 is connected to the lower tank 2, and the other end is provided with a liquid injection port 142. The pipe cap is detachably placed on the liquid injection port 142.

[0043] In this embodiment, the injection pipe 141 precisely guides the energy storage and cooling medium into the lower tank 2, preventing leakage during vehicle movement and improving the convenience and standardization of injection. It also adapts to the limited installation space on a vehicle and does not interfere with the fan assembly 13, the cover 12, or other structures. The pipe cap is detachable and covers the injection port 142, allowing for quick opening during injection and timely sealing after completion. This effectively prevents leakage of the medium inside the tank and also prevents dust and debris from entering the injection pipe 141 during vehicle operation, ensuring the purity of the medium and the sealing performance of the tank.

[0044] The present invention also provides a vehicle refrigerator, comprising: a refrigerator body 4, a lower tank 2, an evaporator 5, and an energy storage tank cover 1 as described above. The other side of the lower tank 2 is connected to one side of the refrigerator body 4, and the lower tank 2 is connected to the bottom of the refrigerator body 4. The evaporator 5 is connected to the side of the air duct 3 away from the lower tank 2, and the energy storage tank cover 1 is connected to the top of the refrigerator body 4.

[0045] In this embodiment of the invention, the other side of the lower tank 2 is connected to one side of the refrigerator body 4 and its bottom, while the upper cover 1 of the energy storage tank is connected to the top of the refrigerator body 4, forming a vertically continuous circulation structure. Combined with the fan assembly 13 blowing air towards the refrigerator body 4, this accelerates airflow circulation within the refrigerator body 4 and improves cooling and insulation efficiency. The evaporator 5 is connected to the side of the air duct 3 away from the lower tank 2, quickly cooling the airflow within the air duct 3. Combined with the air delivery from the fan assembly 13, this further optimizes the cooling effect and helps maintain a low-temperature environment inside the vehicle refrigerator. Simultaneously, the reasonable layout of each component adapts to the confined space of a vehicle. The sealing and fixing structure of the lower tank 2 and the upper cover 1 of the energy storage tank ensures stable operation during vehicle vibrations, preventing media leakage or component loosening. The overall structure exhibits strong synergy, leveraging the advantages of the upper cover 1 of the energy storage tank while achieving efficient linkage between cooling and insulation in the vehicle refrigerator, balancing practicality and stability to meet the cooling needs of vehicle scenarios.

[0046] Understandably, in the car refrigerator, the fan body 133 draws air in through the air duct 3 and blows it towards the refrigerator body 4. The air then circulates from the bottom of the refrigerator body 4 to below the air duct 3, and is drawn in by the fan body 133 from the direction of the air duct 3. The airflow flows from below the air duct 3 to above the air duct 3, resulting in smooth airflow circulation throughout the car refrigerator and improving the cooling and cold preservation efficiency of the car refrigerator.

[0047] The above description is merely a specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any person skilled in the art can easily conceive of various equivalent modifications or substitutions within the technical scope disclosed in the present invention, and these modifications or substitutions should all be covered within the scope of protection of the present invention. Therefore, the scope of protection of the present invention should be determined by the scope of the claims.

Claims

1. A cover for an energy storage tank, characterized in that, The cover is affixed to the lower tank, one side of which is connected to the refrigerator body. The energy storage tank cover includes: The upper cover body is detachably connected to the lower tank body; A cover body, wherein the cover body is disposed on the upper cover body, and a receiving cavity is formed between the upper cover body and the cover body; A fan assembly, wherein the fan assembly is disposed on one side of the upper cover body and located within the receiving cavity; The liquid injection assembly is disposed on the upper cover body and located outside the receiving cavity; An air duct is provided on the other side of the lower tank. The bottom of the air duct is connected to the refrigerator body, and the top is connected to the receiving cavity. The fan assembly draws air from the air duct and blows air towards the refrigerator body. The liquid injection assembly is connected to the lower tank.

2. The energy storage tank cover according to claim 1, characterized in that, The upper cover body is provided with a receiving groove, and the fan assembly is disposed in the receiving groove.

3. The energy storage tank cover according to claim 2, characterized in that, Also includes: A limiting frame, with its two ends connected to the upper cover body and located on both sides of the receiving groove, is used to restrict the movement of the fan assembly.

4. The energy storage tank cover according to claim 2, characterized in that, The top of the lower tank gradually rises from the side closest to the refrigerator body towards the side of the air duct, and the bottom of the upper cover body follows the shape of the top of the lower tank.

5. The energy storage tank cover according to claim 4, characterized in that, Also includes: A sealing assembly, comprising a plurality of first connecting portions disposed at the bottom of the upper cover body and a plurality of second connecting portions disposed at the top of the lower tank body, wherein the first connecting portions are connected to the corresponding second connecting portions by screws.

6. The energy storage tank cover according to claim 5, characterized in that, The bottom of the upper cover body is provided with a sealing groove along the circumferential direction facing the top of the lower tank body. The sealing assembly also includes a sealing ring, which is installed in the sealing groove and protrudes from the sealing groove towards the top of the lower tank body.

7. The energy storage tank cover according to claim 2, characterized in that, The fan assembly includes: A fan mounting plate, one side of which is mounted on the refrigerator body; A fan base, one side of which is connected to the other side of the fan mounting plate; The fan body is connected to the other side of the fan base, and the fan body blows air towards the fan mounting plate; The quick-release structure includes two buckles located on both sides of the bottom of the fan mounting plate and two limiting members corresponding to the two buckles on the refrigerator body. The buckles can be detachably abutted against the limiting members.

8. The energy storage tank cover according to claim 3, characterized in that, The upper cover body is provided with a third connecting part, and the bottom of the cover is provided with a fourth connecting part corresponding to the third connecting part. The third connecting part and the fourth connecting part are connected by screws. One side of the cover abuts against the limiting frame, and the other side covers the air duct.

9. The energy storage tank cover according to claim 1, characterized in that, The liquid injection assembly includes a liquid injection pipe and a pipe cap. One end of the liquid injection pipe is connected to the lower tank body, and the other end has a liquid injection port. The pipe cap is detachably installed on the liquid injection port.

10. A vehicle-mounted refrigerator, characterized in that, include: The refrigerator body, the lower tank, the evaporator, and the energy storage tank cover as described in any one of claims 1-9, wherein the other side of the lower tank is connected to one side of the refrigerator body and the lower tank communicates with the bottom of the refrigerator body, the evaporator is connected to the side of the air duct away from the lower tank, and the energy storage tank cover communicates with the top of the refrigerator body.

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