Overhead temperature control device for energy storage cabinet using natural cold source

Abstract

The invention discloses an overhead temperature control device for an energy storage cabinet using a natural cold source, and relates to the technical field of energy storage cabinet temperature control, the overhead temperature control device for the energy storage cabinet using the natural cold source comprises a machine box body, the machine box body is provided with four cavities, namely a working cavity, a mixing cavity, a refrigeration cavity and an air outlet cavity; a longitudinal partition plate is arranged in the middle of the interior of the case body, and a refrigeration cavity and an air outlet cavity are formed in the two sides of the upper end of the longitudinal partition plate respectively. Two sides of the lower end of the longitudinal partition plate are respectively a working cavity and a mixing cavity; wherein a compressor, a gas-water separator and a condenser are arranged in the working cavity; a fan is arranged at the bottom of the mixing cavity, and an evaporator is arranged in the refrigerating cavity; through switching of the three operation modes, it can be guaranteed that the temperature of the battery pack in summer is not too high, the temperature of the battery pack in winter is not too low, and the temperature of the battery pack in transition seasons is constant and appropriate; a natural cold source is utilized, and energy conservation of an air conditioner and temperature control management of the battery pack are facilitated.

Description

Technical Field

[0001] The present invention specifically relates to the technical field of temperature control of energy storage cabinets, and in particular to a top-mounted temperature control device for an energy storage cabinet utilizing a natural cold source. Background Art

[0002] The energy storage cabinet temperature control device is a device used to control the internal temperature of the energy storage cabinet. It plays a vital role in ensuring the safe and stable operation of the energy storage system and extending the battery life. A suitable temperature environment can enable the energy storage battery to maintain good charging and discharging performance. Too high a temperature will accelerate the chemical reaction inside the battery, which may lead to a decrease in battery capacity, shortened life, and even safety issues such as thermal runaway. Too low a temperature will reduce the activity of the battery and affect the charging and discharging efficiency. Stable temperature control can reduce equipment failures and performance fluctuations caused by temperature changes, and improve the overall reliability of the energy storage system. For example, it can avoid problems such as damage to electronic components and loose connections caused by temperature differences.

[0003] In the energy storage industry, the temperature control management of the battery pack is related to the charging and discharging performance of the battery and even to the safety of equipment and property. In the industry, energy storage cabinets generally use top-mounted direct expansion air conditioners to transfer the heat generated by the battery pack inside the cabinet to the outside of the cabinet. However, general direct expansion air conditioners cannot adjust the cooling capacity of the air conditioner and the corresponding air flow organization according to the outdoor temperature. There is a situation in which the evaporation temperature is low in winter, close to zero degrees, and all-season cooling is not conducive to energy saving. Summary of the invention

[0004] The purpose of the present invention is to provide a top-mounted temperature control device for an energy storage cabinet that utilizes a natural cold source. The device can flexibly switch between three cooling modes according to different outdoor temperatures. In the summer when the outdoor temperature is high, mechanical compression cooling is used to ensure that the temperature delivered to the cabinet is low to meet the cooling demand. In the winter when the outdoor temperature is low, the fresh air mode is used for cooling. The compressor does not run, and the fresh air is directly delivered to the cabinet after being filtered. In the transitional seasons of spring and autumn, the operating power of the compressor is adjusted according to the outlet air temperature of the battery pack in the cabinet, and the fresh air is mixed with the air supplied by the air conditioner and delivered to the cabinet. By switching between the three operating modes, it can be ensured that the temperature of the battery pack will not be too high in summer, the temperature of the battery pack will not be too low in winter, and the temperature of the battery pack will be constant and appropriate during the transitional seasons. This solves the technical problems raised in the above-mentioned background technology.

[0005] To achieve the above object, the present invention provides the following technical solutions:

[0006] A top-mounted temperature control device for an energy storage cabinet using a natural cold source comprises a chassis body, the chassis body having four chambers, namely a working chamber, a mixing chamber, a refrigeration chamber and an air outlet chamber; a longitudinal partition is provided in the middle position inside the chassis body, and the two sides of the upper end of the longitudinal partition are the refrigeration chamber and the air outlet chamber respectively; the two sides of the lower end of the longitudinal partition are the working chamber and the mixing chamber respectively; wherein a compressor, a gas-water separator and a condenser are provided in the working chamber; a fan is provided at the bottom of the mixing chamber, and an evaporator is provided in the refrigeration chamber;

[0007] An exhaust air valve is arranged between the refrigeration chamber and the air outlet chamber; a fresh air valve is arranged between the working chamber and the mixing chamber; the fresh air valve and the exhaust air valve adopt the same structure;

[0008] The fresh air damper comprises two fixed side shells fixed to the longitudinal partition; the outer side of the fixed side shells is buckled with a frame; and both ends of the top and bottom of the frame are provided with stoppers for locking the damper.

[0009] As a further technical solution of the present invention, the fixed side shell has a semi-cylindrical body, one side of which is integrally provided with a side wing and fixedly connected to the longitudinal partition by bolts, and a socket is provided on the top of the semi-cylindrical body.

[0010] As a further technical solution of the present invention, the frame comprises a frame, and both sides of the upper end of the frame are provided with plug blocks plugged into the jacks; the top of the frame is also provided with protruding ears for facilitating the movable connection of the card holder.

[0011] As a further technical solution of the present invention, the stopper comprises a wedge-shaped block, the wedge-shaped block is welded to one end of the guide rod, and a stopper column is welded to the other end of the guide rod;

[0012] The guide rod is slidably connected with the fixed plate on the top of the frame, and a spring is arranged between the fixed plate and the wedge block; the spring is sleeved on the guide rod.

[0013] As a further technical solution of the present invention, a slideway is provided in the middle of the top and bottom of the frame, and a driving member is slidably connected in the slideway; protrusions are provided at both ends of the slideway to prevent the driving member from escaping from the slideway.

[0014] As a further technical solution of the present invention, the driving member includes a trapezoidal plate having a rectangular groove with convex shafts on both sides thereof and movably connected to the fixed cylinder; a slider slidably connected to the slideway is welded to the bottom of the fixed cylinder.

[0015] As a further technical solution of the present invention, the air valve includes an air valve outer frame, in which an automatic blind is movably connected; the upper and lower ends of both sides of the air valve outer frame are integrally provided with side clamps that are clamped with the semi-cylinder on the fixed side shell; the top and bottom ends of the air valve outer frame are integrally provided with stop clamps, and an intermediate clamp is provided in the middle position of the top and bottom of the air valve outer frame.

[0016] As a further technical solution of the present invention, an evaporator is provided between the mixing chamber and the refrigeration chamber, and the evaporator is fixed to the chassis; a transverse layer plate is provided between the working chamber and the air outlet chamber;

[0017] An air inlet is arranged on the outer side of the condenser; an air outlet is arranged on the outer side of the air outlet cavity.

[0018] As a further technical solution of the present invention, the compressor, gas-water separator, evaporator and condenser are connected by copper tubes to form a refrigeration system (the refrigeration system is a prior art, equivalent to the refrigeration system of an air conditioner, and refrigeration is achieved by the refrigerant absorbing and releasing heat, and its specific working principle will not be repeated here).

[0019] As a further technical solution of the present invention, the exterior of the chassis is movably connected to a door via a hinge, and a controller is installed on the door; the controller is electrically connected to the refrigeration system.

[0020] Compared with the prior art, the present invention has the following beneficial effects:

[0021] 1. The present invention adopts a refrigeration system for cooling in the summer when the outdoor temperature is high. The evaporator absorbs heat in the refrigeration chamber. At this time, the refrigerant is gasified from a liquid state. The cold air in the refrigeration chamber passes through the exhaust air valve and the air outlet chamber and is transmitted to the energy cabinet through the air outlet. It ensures that the temperature delivered to the cabinet is low to meet the cooling demand.

[0022] 2. In the winter when the outdoor temperature is low, the present invention adopts the fresh air mode for cooling. The compressor does not run, but the fan operates to input fresh air into the mixing chamber, which enters the refrigeration chamber after being filtered by the filter, and then is transmitted to the energy cabinet through the air outlet after the air volume is controlled by the exhaust air valve;

[0023] 3. In the transitional seasons of spring and autumn, the present invention adjusts the operating power of the compressor according to the outlet air temperature of the battery pack in the energy cabinet, and realizes the refrigeration of the evaporator in the refrigeration chamber by running at low power. At this time, the fan is turned on, and the fresh air is mixed with the cold air in the refrigeration chamber. The mixed air is transmitted to the energy cabinet through the air outlet after the air volume is controlled by the exhaust air valve;

[0024] 4. The present invention switches between three operating modes to ensure that the temperature of the battery pack is not too high in summer, not too low in winter, and that the temperature of the battery pack is constant and appropriate during transitional seasons. It utilizes natural cold sources, which is beneficial to air conditioning energy saving and temperature control management of the battery pack. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a three-dimensional structural schematic diagram of the present invention.

[0026] Figure 2 The present invention Figure 1 Schematic diagram of the bottom structure.

[0027] Figure 3 It is a schematic diagram of the planar structure of the present invention.

[0028] Figure 4 The present invention Figure 1 Schematic diagram of the internal structure.

[0029] Figure 5 The present invention Figure 4 Schematic diagram from another perspective.

[0030] Figure 6 It is a schematic diagram of the structure of the fresh air valve of the present invention.

[0031] Figure 7 The present invention Figure 6 Schematic diagram of the split structure.

[0032] Figure 8 The present invention Figure 6 A partial enlarged schematic diagram of .

[0033] Fig. 9 The present invention Figure 7 A partial enlarged schematic diagram of .

[0034] Fig.10 The present invention Figure 7 Schematic diagram of the rear structure.

[0035] Fig.11 The present invention Fig.10 A partial enlarged schematic diagram of .

[0036] Fig.12 It is a schematic diagram of the structure of the driving member in the present invention.

[0037] In the figure: 1-chassis, 2-working chamber, 3-mixing chamber, 4-refrigeration chamber, 5-air outlet chamber, 6-longitudinal partition, 7-fresh air valve, 8-exhaust air valve, 9-air inlet, 10-air outlet, 11-transverse layer plate, 12-compressor, 13-gas-water separator, 14-filter, 15-fixed shell, 16-fan, 17-evaporator, 18-condenser, 19-cabinet door, 20-controller;

[0038] 71-fixed side shell, 72-frame, 73-stopper, 74-cage, 75-slideway, 76-driving member, 77-air valve;

[0039] 721-frame, 722-plug, 723-raised ear;

[0040] 731-wedge block, 732-guide rod, 733-stop column, 734-spring;

[0041] 761-trapezoidal plate, 762-fixed cylinder, 763-sliding block;

[0042] 771-air valve frame, 772-side clamp, 773-stop clamp, 774-middle clamp, 775-automatic blinds. DETAILED DESCRIPTION

[0043] 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.

[0044] See also Figure 1-5 In an embodiment of the present invention, a top-mounted temperature control device for an energy storage cabinet using a natural cold source includes a chassis 1, which has four chambers, namely a working chamber 2, a mixing chamber 3, a refrigeration chamber 4 and an air outlet chamber 5; a longitudinal partition 6 is provided in the middle position inside the chassis 1, and the two sides of the upper end of the longitudinal partition 6 are the refrigeration chamber 4 and the air outlet chamber 5 respectively; the two sides of the lower end of the longitudinal partition 6 are the working chamber 2 and the mixing chamber 3 respectively; wherein a compressor 12, a gas-water separator 13 and a condenser 18 are provided in the working chamber 2; a fixed shell 15 is provided at the bottom of the mixing chamber 3, a fan 16 is installed inside the fixed shell 15, and an evaporator 17 is provided in the refrigeration chamber 4;

[0045] An exhaust air valve 8 is provided between the refrigeration chamber 4 and the air outlet chamber 5; a fresh air valve 7 is provided between the working chamber 2 and the mixing chamber 3; the fresh air valve 7 and the exhaust air valve 8 are composed of the same structure.

[0046] Furthermore, the compressor 12, the gas-water separator 13, the evaporator 17 and the condenser 18 are connected by copper pipes to form a refrigeration system. An evaporator 17 is provided between the mixing chamber 3 and the refrigeration chamber 4, and the evaporator 17 is fixed to the chassis 1; a transverse layer plate 11 is provided between the working chamber 2 and the air outlet chamber 5;

[0047] An air inlet 9 is provided on the outside of the condenser 18; an air outlet 10 is provided on the outside of the air outlet cavity 5; a door 19 is movably connected to the outside of the chassis 1 via a hinge, and a controller 20 is installed on the door 19; the controller 20 is electrically connected to the refrigeration system.

[0048] By adopting the above technical solution, three cooling modes can be flexibly switched according to different outdoor temperatures;

[0049] Mode 1: In the summer when the outdoor temperature is high, a refrigeration system is used for cooling. The evaporator 17 absorbs heat in the refrigeration chamber 4. At this time, the refrigerant is vaporized from a liquid state. The cold air in the refrigeration chamber 4 passes through the exhaust air valve 8 and the air outlet chamber 5 and is transmitted to the energy cabinet through the air outlet 10. This ensures that the temperature delivered to the cabinet is low to meet the cooling demand.

[0050] Mode 2: In winter when the outdoor temperature is low, the fresh air mode is used for cooling. The compressor 12 does not run, and the fan 16 starts to input fresh air into the mixing chamber 3. After being filtered by the filter 14, it enters the refrigeration chamber 4, and then the air volume is controlled by the exhaust valve 8 and transmitted to the energy cabinet through the air outlet 10.

[0051] Mode 3: In the transitional seasons of spring and autumn, the operating power of the compressor 12 is adjusted according to the outlet air temperature of the battery pack in the energy cabinet. The evaporator 17 is cooled in the refrigeration chamber 4 by running at a low power. At this time, the fan 16 is turned on, and the fresh air is mixed with the cold air in the refrigeration chamber 4. The mixed air is transmitted to the energy cabinet through the air outlet 10 after the air volume is controlled by the exhaust air valve 8.

[0052] By switching between the above three operating modes, it can be ensured that the temperature of the battery pack will not be too high in summer, the temperature of the battery pack will not be too low in winter, and the temperature of the battery pack will be constant and suitable during the transition period. The use of natural cold sources is beneficial to air conditioning energy saving and temperature control management of the battery pack.

[0053] Please refer to the attached Figure 6-7 and Fig.10 The fresh air valve 7 includes two fixed side shells 71 fixed to the longitudinal partition 6; the outer side of the fixed side shell 71 is buckled with a frame 72; both ends of the top and bottom of the frame 72 are provided with stoppers 73 for locking the air valve 77.

[0054] By adopting the above technical solution, when installing the fresh air valve 7 or the exhaust air valve 8, the middle position between the upper and lower ends of the air valve 77 is aligned with the driving member 76 and snapped, and the driving member 76 slides along the slide 75. At this time, the driving member 76 pushes the two stop members 73 to both sides, thereby locking the air valve 77. The above structure is simple to set up and has a good quick disassembly and quick installation effect.

[0055] Please see attached Figure 6-10 In this embodiment, the fixed side shell 71 has a semi-cylindrical body, one side of which is integrally provided with a side wing, and is fixedly connected to the longitudinal partition 6 by bolts, and a socket is provided on the top of the semi-cylindrical body.

[0056] To be more specific, the air valve 77 includes an air valve outer frame 771, in which an automatic blind 775 is movably connected; the upper and lower ends of both sides of the air valve outer frame 771 are integrally provided with side clamps 772 that are clamped with the semi-cylinder on the fixed side shell 71; the top and bottom ends of the air valve outer frame 771 are integrally provided with stop clamps 773, and an intermediate clamp 774 is provided in the middle position between the top and bottom of the air valve outer frame 771.

[0057] By adopting the above technical solution, the semi-cylindrical body of the fixed side shell 71 is used for quick clamping and fixing of the side clamp 772, and the side wing of the fixed side shell 71 is used for fixing with the longitudinal partition 6; the middle clamp 774 can be engaged with the driving member 76; the stop clamp 773 is used for the cooperative locking of the stop member 73, so as to realize the quick locking of the air valve 77.

[0058] Please see attached Fig.11 In this embodiment, the frame 72 includes a frame 721, and both sides of the upper end of the frame 721 are provided with plug blocks 722 plugged into the socket; the top of the frame 721 is also provided with a protruding ear 723 that facilitates the movable connection of the card holder 74.

[0059] By adopting the above technical solution, the plug block 722 is inserted into the top of the fixed side shell 71 to achieve the fixation and connection between the frame 72 and the fixed side shell 71; after the air valve 77 is installed, the bracket 74 is flipped to one side and engaged with the semicircular groove on the top of the stop bracket 773, thereby achieving secondary locking and fixing to prevent the air valve 77 from loosening.

[0060] Please see attached Figure 8 and Fig.11 In this embodiment, the stopper 73 includes a wedge block 731, which is welded to one end of a guide rod 732, and a stopper column 733 is welded to the other end of the guide rod 732;

[0061] The guide rod 732 is slidably connected to the fixed plate at the top of the frame 721, and a spring 734 is provided between the fixed plate and the wedge block 731; the spring 734 is sleeved on the guide rod 732. A slideway 75 is provided in the middle of the top and bottom of the frame 721, and a driving member 76 is slidably connected in the slideway 75; protrusions are provided at both ends of the slideway 75 to prevent the driving member 76 from falling out of the slideway 75.

[0062] By adopting the above technical solution, when the middle clamping member 774 is engaged with the driving member 76 and pushes the driving member 76 to slide along the slideway 75, the driving member 76 forces the wedge blocks 731 on both sides to move outward with the guide rods 732, and finally the stopper column 733 is inserted into the stopper clamping member 773, thereby achieving the locking of the air valve 77;

[0063] Please refer to the attached Fig.12 In this embodiment, the driving member 76 includes a trapezoidal plate 761, which has a rectangular groove with convex shafts on both sides and is movably connected to a fixed cylinder 762; a slider 763 slidably connected to a slideway 75 is welded to the bottom of the fixed cylinder 762.

[0064] By adopting the above technical solution, when disassembling the air valve 77, the trapezoidal plate 761 is flipped upwards, and the trapezoidal plate 761 is now separated from the wedge blocks 731 on both sides. After the wedge blocks 731 lose their pushing force, the spring 734 pushes the wedge blocks 731 inward according to its own elasticity. At this time, the stop column 733 is disengaged from the stop clamp 773, thereby releasing the locking state of the air valve 77, so that the air valve 77 can be disassembled. The air valve 77 is installed without screws, and the disassembly and assembly are very convenient.

[0065] The working principle is:

[0066] Three cooling modes can be flexibly switched according to different outdoor temperatures;

[0067] Mode 1: In the summer when the outdoor temperature is high, a refrigeration system is used for cooling. The evaporator 17 absorbs heat in the refrigeration chamber 4. At this time, the refrigerant is vaporized from a liquid state. The cold air in the refrigeration chamber 4 passes through the exhaust air valve 8 and the air outlet chamber 5 and is transmitted to the energy cabinet through the air outlet 10. This ensures that the temperature delivered to the cabinet is low to meet the cooling demand.

[0068] Mode 2: In winter when the outdoor temperature is low, the fresh air mode is used for cooling. The compressor 12 does not run, and the fan 16 starts to input fresh air into the mixing chamber 3. After being filtered by the filter 14, it enters the refrigeration chamber 4, and then the air volume is controlled by the exhaust valve 8 and transmitted to the energy cabinet through the air outlet 10.

[0069] Mode 3: In the transitional seasons of spring and autumn, the operating power of the compressor 12 is adjusted according to the outlet air temperature of the battery pack in the energy cabinet. The evaporator 17 is cooled in the refrigeration chamber 4 by running at a low power. At this time, the fan 16 is turned on, and the fresh air is mixed with the cold air in the refrigeration chamber 4. The mixed air is transmitted to the energy cabinet through the air outlet 10 after the air volume is controlled by the exhaust air valve 8.

[0070] By switching between the above three operating modes, it can be ensured that the temperature of the battery pack will not be too high in summer, the temperature of the battery pack will not be too low in winter, and the temperature of the battery pack will be constant and suitable during the transition period. The use of natural cold sources is beneficial to air conditioning energy saving and temperature control management of the battery pack.

[0071] It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above and that the invention can be implemented in other specific forms without departing from the spirit or essential features of the invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations falling within the meaning and scope of the equivalent elements of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

[0072] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A top-mounted temperature control device for an energy storage cabinet using a natural cold source, characterized in that: The invention comprises a housing (1), wherein the housing (1) has four chambers, namely a working chamber (2), a mixing chamber (3), a refrigeration chamber (4) and an air outlet chamber (5); a longitudinal partition (6) is provided in the middle of the housing (1), and the two sides of the upper end of the longitudinal partition (6) are the refrigeration chamber (4) and the air outlet chamber (5); the two sides of the lower end of the longitudinal partition (6) are the working chamber (2) and the mixing chamber (3); wherein a compressor (12), a gas-water separator (13) and a condenser (18) are provided in the working chamber (2); a fan (16) is provided at the bottom of the mixing chamber (3), and an evaporator (17) is provided in the refrigeration chamber (4); An exhaust air valve (8) is provided between the refrigeration chamber (4) and the air outlet chamber (5); a fresh air valve (7) is provided between the working chamber (2) and the mixing chamber (3); the fresh air valve (7) and the exhaust air valve (8) are of the same structure; The fresh air damper (7) comprises two fixed side shells (71) fixed to the longitudinal partition (6); a frame (72) is buckled on the outer side of the fixed side shell (71); and stoppers (73) for locking the damper (77) are provided at both ends of the top and bottom of the frame (72).

2. The top-mounted temperature control device for an energy storage cabinet using a natural cold source according to claim 1 is characterized in that: The fixed side shell (71) has a semi-cylindrical body, one side of which is integrally provided with a side wing and is fixedly connected to the longitudinal partition (6) by bolts, and a socket is provided on the top of the semi-cylindrical body.

3. The top-mounted temperature control device for an energy storage cabinet using a natural cold source according to claim 2 is characterized in that: The frame (72) comprises a frame (721), and plug blocks (722) plugged into the jacks are provided on both sides of the upper end of the frame (721); and a protruding ear (723) is also provided on the top of the frame (721) for movably connecting the card holder (74).

4. The top-mounted temperature control device for an energy storage cabinet using a natural cold source according to claim 3 is characterized in that: The stopper (73) comprises a wedge-shaped block (731), the wedge-shaped block (731) is welded to one end of the guide rod (732), and a stopper column (733) is welded to the other end of the guide rod (732); The guide rod (732) is slidably connected to a fixed plate at the top of the frame (721), and a spring (734) is provided between the fixed plate and the wedge block (731); the spring (734) is sleeved on the guide rod (732).

5. The top-mounted temperature control device for an energy storage cabinet using a natural cold source according to claim 4 is characterized in that: A slideway (75) is provided at the middle position between the top and the bottom of the frame (721), and a driving member (76) is slidably connected in the slideway (75); protrusions are provided at both ends of the slideway (75) to prevent the driving member (76) from falling out of the slideway (75).

6. The top-mounted temperature control device for an energy storage cabinet using a natural cold source according to claim 5 is characterized in that: The driving member (76) comprises a trapezoidal plate (761) having a rectangular groove with convex shafts on both sides thereof and movably connected to a fixed cylinder (762); a sliding block (763) slidably connected to a slideway (75) is welded to the bottom of the fixed cylinder (762).

7. The top-mounted temperature control device for an energy storage cabinet using a natural cold source according to claim 6 is characterized in that: The air valve (77) comprises an air valve outer frame (771), in which an automatic blind (775) is movably connected; the upper and lower ends of both sides of the air valve outer frame (771) are integrally provided with side clamps (772) that are clamped with a semi-cylinder on the fixed side shell (71); the top and bottom ends of the air valve outer frame (771) are integrally provided with stop clamps (773), and an intermediate clamp (774) is provided in the middle position between the top and bottom of the air valve outer frame (771).

8. The top-mounted temperature control device for an energy storage cabinet using a natural cold source according to claim 1 is characterized in that: An evaporator (17) is provided between the mixing chamber (3) and the refrigeration chamber (4), and the evaporator (17) is fixed to the chassis (1); a transverse layer plate (11) is provided between the working chamber (2) and the air outlet chamber (5); An air inlet (9) is provided on the outside of the condenser (18); an air outlet (10) is provided on the outside of the air outlet cavity (5).

9. The top-mounted temperature control device for an energy storage cabinet using a natural cold source according to claim 1, characterized in that: The compressor (12), the gas-water separator (13), the evaporator (17) and the condenser (18) are connected via copper pipes to form a refrigeration system.

10. The top-mounted temperature control device for an energy storage cabinet using a natural cold source according to claim 1, characterized in that: The outside of the chassis (1) is movably connected to a door (19) via a hinge, and a controller (20) is installed on the door (19); the controller (20) is electrically connected to the refrigeration system.

Images