Small commercial energy storage device

Abstract

The application relates to the technical field of energy storage devices, and discloses a small industrial and commercial energy storage device, which comprises a cabinet body, two symmetrical partition racks fixed in the cabinet body, a placing area arranged between the two partition racks, an air inlet area arranged between the partition racks and the inner wall of the cabinet body, a placing rack, a heat dissipation assembly and an air inlet control assembly, the placing rack is arranged in the placing area, two groups of object placing racks are symmetrically arranged in the placing rack, a plurality of object placing racks are equidistantly arranged in each group of object placing racks, an energy storage assembly is arranged between every two object placing racks, the heat dissipation assembly is arranged in each object placing rack, the air inlet control assembly is arranged in the partition rack, and an air supply assembly is arranged in the air inlet area. Through the technical scheme, the problem that, in the prior art, the unified heat dissipation structure cannot guarantee the effective heat dissipation of part of battery packs due to the long heat dissipation path of the part of battery packs in a group of batteries, thereby affecting the normal use of the whole device, is solved.

Description

Technical Field

[0001] This invention relates to the field of energy storage equipment technology, specifically to a small-scale industrial and commercial energy storage device. Background Technology

[0002] Small-scale commercial and industrial energy storage devices are used in shopping malls, office buildings, factories, data centers, etc., as backup power or to smooth intermittent production power. They are usually composed of battery packs, inverters, battery management systems (BMS) and energy management systems (EMS). Their core function is to store electrical energy and release it when needed. They are mainly used for peak shaving and valley filling, backup power, demand response, or renewable energy integration.

[0003] In existing technologies, an energy storage device typically contains multiple battery packs, which generally employ a unified heat dissipation structure (such as air-cooled channels or liquid-cooled plates). This means that heat must be conducted to the heat dissipation terminal through adjacent batteries or modules. Consequently, battery packs located in the central area of ​​the battery pack suffer from poor heat dissipation due to the obstruction of surrounding batteries, making them prone to heat accumulation. In other words, one battery pack may be in a localized overheating area. The long heat dissipation paths of these battery packs result in low heat dissipation efficiency, making the device more susceptible to failure and potentially causing problems for the entire battery pack. Summary of the Invention

[0004] This invention proposes a small-scale industrial and commercial energy storage device to solve the problem in the prior art where the heat dissipation path of some battery packs in a group of batteries is too long, making it difficult for a unified heat dissipation structure to ensure effective heat dissipation of some battery packs, thus affecting the normal use of the entire device.

[0005] The technical solution of the present invention is as follows:

[0006] A small-scale industrial and commercial energy storage device includes a cabinet, inside which two partition racks are fixedly and symmetrically installed. A placement area is provided between the two partition racks, and an air inlet area is provided between the partition racks and the inner wall of the cabinet. The device also includes:

[0007] The placement rack is fixedly installed inside the placement area. Two sets of shelves are symmetrically and fixedly installed inside the placement rack. Each set of shelves has several shelves arranged at equal intervals. An energy storage component is provided in the area between every two shelves.

[0008] A heat dissipation component is provided inside each of the shelves to dissipate heat from the energy storage component;

[0009] An air intake control assembly is provided, and several air intake control assemblies are installed inside the partition rack. Each air intake control assembly corresponds to one of the several shelves and is used to control the flow rate of air entering the heat dissipation assembly. Each air intake control assembly is independently controlled. An air supply assembly is installed inside the air intake area to deliver outside air into the cabinet.

[0010] Based on the aforementioned solution, the heat dissipation component includes:

[0011] Each shelf has two uprights symmetrically and fixedly installed on its upper and lower sides;

[0012] Each shelf has an air intake chamber and an exhaust chamber. The exhaust chamber is located below the air intake chamber and is arranged parallel to the exhaust chamber inside the shelf.

[0013] The shelf has an air intake slot and an exhaust slot. Each shelf has several air intake slots at equal intervals on its upper part and several exhaust slots at equal intervals on its lower part. The exhaust slots are connected to the exhaust chamber and the air intake slots are connected to the air intake chamber.

[0014] Based on the aforementioned scheme, the placement frame consists of a horizontal plate, an exhaust frame, and an air intake frame. An air intake frame is provided on each side of the exhaust frame, and the two air intake frames are arranged symmetrically. Two horizontal plates are fixed and installed at both the upper and lower ends of the exhaust frame, and the horizontal plates are fixedly connected to the air intake frames.

[0015] The air intake frame and the air exhaust frame are both hollow structures, each air intake chamber is connected to the air intake frame, and each air exhaust chamber is connected to the air exhaust frame.

[0016] The top frame is fixedly installed on the top of the cabinet. An exhaust area is provided inside the top frame. The exhaust end of the top of the exhaust frame is located inside the exhaust area. Multiple exhaust fans are fixedly installed on the top of the top frame. The air inlet of the exhaust fans is located in the exhaust area.

[0017] Based on the aforementioned scheme, the energy storage component includes:

[0018] An outer frame is provided between every two shelves, and the upper and lower sides of the outer frame abut against the upright plate.

[0019] The energy storage battery is detachably installed inside each of the outer frames;

[0020] The heat sink is fixedly installed at equal intervals inside the outer frame. The heat sink abuts against the side of the energy storage battery. Several through slots are provided at equal intervals at the bottom of the outer frame, and one through slot is provided between every two heat sinks.

[0021] Based on the aforementioned solution, the air intake control component includes:

[0022] The ventilation slots are fixedly provided on both of the two partition frames, and the positions of the several air inlets and the air inlet frame that are connected to each other correspond one-to-one with the several ventilation slots; the several ventilation slots are connected to the air inlet frame.

[0023] Each ventilation slot has a partition that is slidably installed therein;

[0024] The drive unit is fixedly installed inside the partition frame. Each drive unit corresponds to a ventilation slot. The output end of the drive unit is fixedly connected to the partition plate.

[0025] Based on the aforementioned solution, the air supply component includes:

[0026] Two blowers are symmetrically and fixedly installed on the top of the cabinet.

[0027] An air filter is connected to the input end of each blower, and the input end of the air filter is fixedly installed on the top frame;

[0028] An air supply unit is installed inside the air inlet area. The air supply unit is connected to the output end of the blower and is used to send outside air into the air inlet area.

[0029] Based on the aforementioned solution, the air supply unit includes:

[0030] The air supply frame is symmetrically and fixedly installed on the top of the cabinet, and several extension rods are fixedly connected at equal intervals at the bottom of the air supply frame. The extension rods are fixedly installed inside the air inlet area.

[0031] Each of the extended rods has an air supply slot, and the air supply slot is oriented away from the partition frame.

[0032] The working principle and beneficial effects of this invention are as follows:

[0033] 1. In this invention, since the positions of several air intake chambers and air intake frames are connected one-to-one with the positions of several ventilation slots, after entering the air intake frame through this ventilation slot, the air will preferentially enter the corresponding air intake chamber, thereby improving the cooling of the energy storage battery on the shelf at this corresponding position, thus ensuring the cooling effect on the battery pack that heats up quickly.

[0034] 2. In this invention, the driving component at the corresponding ventilation slot position is activated, so that the air entering the air intake area enters the air intake frame through this ventilation slot. The cooling air volume can be allocated as needed by the partition of the air intake control component and the driving component, thereby reducing the overall energy consumption without affecting the overall cooling effect.

[0035] 3. In this invention, by combining the energy storage component and the heat dissipation component, the possibility of local overheating areas between multiple battery packs is reduced during heat dissipation, heat is prevented from being conducted across regions, and the problem of long heat dissipation path of the central battery pack is solved. By combining the air intake control component and the air intake component, cooling can be enhanced in a targeted manner when there is local overheating, thereby allocating cooling air volume as needed and reducing overall energy consumption. Attached Figure Description

[0036] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.

[0037] Figure 1 This is a schematic diagram of the overall structure of the present invention;

[0038] Figure 2 This is a cross-sectional three-dimensional structural schematic diagram of the present invention;

[0039] Figure 3 This is a cross-sectional view of the heat dissipation component and the air intake control component working together in this invention.

[0040] Figure 4 This is a cross-sectional view of the arrangement of the shelf, energy storage component, and heat dissipation component in this invention.

[0041] Figure 5 This is a cross-sectional view of the heat dissipation component in this invention.

[0042] Figure 6 This is a cross-sectional view of the heat dissipation component from another angle in this invention.

[0043] Figure 7 This is a cross-sectional view of the energy storage component in this invention;

[0044] Figure 8 This is a cross-sectional view of the air supply component in this invention.

[0045] In the diagram: 1. Cabinet; 2. Divider rack; 3. Shelf; 301. Horizontal plate; 302. Exhaust rack; 303. Air intake rack; 4. Shelf; 5. Vertical plate; 6. Air intake chamber; 7. Exhaust chamber; 8. Air intake slot; 9. Exhaust slot; 10. Top rack; 11. Exhaust fan; 12. Outer frame; 13. Energy storage battery; 14. Heat sink; 15. Through slot; 16. Ventilation slot; 17. Partition; 18. Drive unit; 19. Blower; 20. Air filter; 21. Air supply fan frame; 22. Extension rod; 23. Air supply slot; 24. Smoke alarm; 25. Temperature sensor. Detailed Implementation

[0046] The technical solutions of the present invention will be clearly and completely described below with reference to the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present invention.

[0047] like Figures 1 to 8 As shown, this embodiment proposes a small-scale industrial and commercial energy storage device, including a cabinet 1. Two partitioned racks 2 are fixedly and symmetrically installed inside the cabinet 1. A placement area is set between the two partitioned racks 2, and an air intake area is set between the partitioned racks 2 and the inner wall of the cabinet 1. The device also includes placement shelves 3, a heat dissipation assembly, and an air intake control assembly. The placement shelves 3 are fixedly installed inside the placement area. Two sets of shelves 4 are symmetrically and fixedly installed inside the placement shelves 3. Each set of shelves 4 has several shelves arranged at equal intervals. An energy storage assembly is installed in the area between every two shelves 4, and a heat dissipation assembly is installed inside each shelf 4. The heat dissipation components are used to dissipate heat from the energy storage components. The heat dissipation components include a vertical plate 5, an air inlet chamber 6, an air outlet chamber 7, an air inlet slot 8, and an air outlet slot 9. Each shelf 4 has two vertical plates 5 symmetrically installed on its upper and lower sides. Each shelf 4 has an air inlet chamber 6 and an air outlet chamber 7 inside. The air outlet chamber 7 is located below the air inlet chamber 6. The air inlet chamber 6 and the air outlet chamber 7 are arranged parallel to each other inside the shelf 4. Each shelf 4 has several air inlet slots 8 at equal intervals on its upper part and several air outlet slots 9 at equal intervals on its lower part. The air outlet slots 9 are connected to the air outlet chamber 7, and the air inlet slots 8 are connected to the air inlet chamber 6.

[0048] It should be added that a smoke alarm 24 and a temperature sensor 25 are respectively installed on the two upright plates 5 at the bottom of each shelf 4 for monitoring the energy storage battery 13.

[0049] When the heat of one or more energy storage components reaches a dangerous level, the corresponding temperature sensor 25 is triggered. The temperature sensor 25 is equipped with a signal transmitter, and the control assembly is equipped with a matching signal receiver. When the temperature sensor 25 senses that the temperature of the energy storage component has reached the critical value, it sends a signal to the control assembly to adjust the air intake control component, thereby increasing the cooling efficiency. To improve the early warning effect, a graded early warning setting is adopted, that is, different trigger temperatures are set. For example, when the detected temperature reaches the first-level set temperature (such as 50°C), the control assembly reduces the charging and discharging power and enhances the heat dissipation efficiency. When the detected temperature reaches the second-level set temperature (such as 70°C), the control assembly forcibly cuts off the power and promptly notifies the staff for maintenance. Similarly, the smoke alarm 24 is also equipped with a signal transmitter, and the control assembly is equipped with a matching signal receiver. When the smoke alarm 24 alarms, the control assembly immediately cuts off the power to the equipment and simultaneously activates the matching fire extinguishing system to ensure safe use.

[0050] Specifically, when it is necessary to dissipate heat from the energy storage components, the air supply component is first activated to send air into the air intake area. Then, the air intake control component is turned on, so that the air entering the air intake area passes through the air intake control component under pressure and enters the interior of the shelf 3. The air entering the shelf 3 first enters the air intake chamber 6 in the shelf 4, and then enters the area between the two shelves 4 through the air intake slot 8. After passing the energy storage components at the corresponding positions, it can enter the exhaust slot 9 at the bottom of the upper shelf 4, enter the exhaust chamber 7 through the exhaust slot 9, and finally be discharged outside the cabinet 1. Under the action of air flow, the energy storage components can be dissipated. Through the setting of the air intake control component, the heat dissipation efficiency of any energy storage component can be freely controlled, thereby rapidly cooling one or more of them, making the cooling more targeted and convenient for dissipating heat from energy storage components with different heat levels.

[0051] The above, such as Figure 3 , Figure 4 As shown, the placement rack 3 consists of a horizontal plate 301, an exhaust rack 302, and an air intake rack 303. An air intake rack 303 is provided on each side of the exhaust rack 302, and the two air intake racks 303 are arranged symmetrically. Two horizontal plates 301 are fixed and installed at both the upper and lower ends of the exhaust rack 302. The horizontal plates 301 are fixedly connected to the air intake racks 303. Both the air intake rack 303 and the exhaust rack 302 are hollow structures. Each air intake chamber 6 is connected to the air intake rack 303, and each exhaust chamber 7 is connected to the exhaust rack 302. It also includes a top rack 10, which is fixedly installed on the top of the cabinet 1. An exhaust area is provided inside the top rack 10. The exhaust end of the top of the exhaust rack 302 is located inside the exhaust area. Multiple exhaust fans 11 are fixedly installed on the top of the top rack 10, and the air intake end of the exhaust fan 11 is located in the exhaust area.

[0052] Specifically, when the air entering the air intake area passes through the partition frame 2 and enters the air intake frame 303 under pressure, the air entering the air intake frame 303 will first enter the air intake chamber 6 in the shelf 4, then enter the area between the two shelves 4 through the air intake groove 8, then enter the exhaust groove 9 at the bottom of the upper shelf 4, enter the exhaust chamber 7 through the exhaust groove 9, and finally be discharged into the exhaust frame 302. Then, it is discharged from the top of the exhaust frame 302 into the exhaust area inside the top frame 10. During the cooling process of the energy storage battery 13, the exhaust fan 11 is turned on simultaneously to assist the air entering the exhaust frame 302 in being discharged.

[0053] The above, such as Figure 7 As shown, the energy storage component includes an outer frame 12, an energy storage battery 13, and heat sinks 14. An outer frame 12 is provided between every two shelves 4. The upper and lower sides of the outer frame 12 abut against the upright plate 5. An energy storage battery 13 can be detachably installed inside each outer frame 12. Multiple heat sinks 14 are fixedly installed at equal intervals inside the outer frame 12. The heat sinks 14 abut against the sides of the energy storage battery 13. Several through slots 15 are provided at equal intervals at the bottom of the outer frame 12. A through slot 15 is provided between every two heat sinks 14.

[0054] Specifically, when air is discharged through the air inlet 8 to cool the energy storage battery 13, the air first passes through the through slot 15 at the bottom of the outer frame 12, then through several heat sinks 14, and finally enters the exhaust slot 9 at the bottom of the upper shelf 4, and is discharged through the exhaust chamber 7. When the air passes through several heat sinks 14, it carries away the heat transferred from the energy storage battery 13 to the heat sinks 14, thus effectively cooling the energy storage battery 13.

[0055] like Figure 3 As shown, several air intake control components are provided, all of which are installed inside the partition rack 2. Each air intake control component corresponds to a certain number of shelves and is used to control the airflow into the heat dissipation components. Each air intake control component is independently controlled. An air supply component is installed inside the air intake area to deliver outside air into the cabinet 1. The air intake control components include ventilation slots 16, partitions 17, and drive components 18. Several ventilation slots 16 are fixedly opened on both partition racks 2. The positions of several air intake chambers 6 and air intake frames 303 correspond one-to-one with the several ventilation slots 16. The several ventilation slots 16 are connected to the air intake frames 303. A partition 17 is slidably installed in each ventilation slot 16. Several drive components 18 are fixedly installed inside the partition rack 2. The drive components 18 are preferably in the form of electric cylinders. The several drive components 18 correspond one-to-one with the several ventilation slots 16. The output end of the drive component 18 is fixedly connected to the partition 17.

[0056] Specifically, when the temperature of one or more energy storage batteries 13 in a group of energy storage batteries 13 rises too quickly, it is necessary to cool these corresponding energy storage batteries 13 with higher power. At this time, it is only necessary to activate the drive unit 18 at the corresponding ventilation slot 16 position, so that the air entering the air intake area enters the air intake frame 303 through this ventilation slot 16. Since the positions where several air intake chambers 6 and air intake frame 303 are connected correspond one-to-one with the positions of several ventilation slots 16, after entering the air intake frame 303 through this ventilation slot 16, the air will preferentially enter the corresponding air intake chamber 6, thereby improving the cooling efficiency. The energy storage battery 13 on the shelf 4 at the corresponding position is cooled, but the air entering the air intake frame 303 will also enter other air intake chambers 6 to cool the energy storage batteries 13 in other positions. Thus, while cooling the energy storage batteries 13 that heat up faster, it also cools down other energy storage batteries 13 that heat up less quickly or whose temperature rises less significantly, thereby ensuring the cooling effect. Similarly, if it is necessary to cool down all the energy storage batteries 13, then the partition 17 needs to be moved under the action of the drive component 18 so that all the ventilation slots 16 are in the open state.

[0057] The above, such as Figure 8 As shown, the air supply assembly includes a blower 19, an air filter 20, and an air supply section. Two blowers 19 are symmetrically and fixedly installed on the top of the cabinet 1. The input end of each blower 19 is connected to an air filter 20. The input end of the air filter 20 is fixedly installed on the top frame 10. An air supply section is installed inside the air inlet area. The air supply section is connected to the output end of the blower 19 and is used to send outside air into the air inlet area.

[0058] Specifically, when sending outside air into the air intake area, the blower 19 is started. The blower 19 discharges outside air into the air supply section through the air filter 20. The air supply section is designed to send air into the air intake area.

[0059] The above, such as Figure 8 As shown, the air supply unit includes an air supply frame 21 and an air supply duct 23. The air supply frame 21 is symmetrically and fixedly installed on the top of the cabinet 1. Several extension rods 22 are fixedly connected at equal intervals at the bottom of the air supply frame 21. The extension rods 22 are fixedly installed inside the air inlet area. Each extension rod 22 is provided with an air supply duct 23. The air supply duct 23 is oriented away from the partition frame 2.

[0060] Specifically, when air enters the air supply frame 21, it will enter the air intake area through the air supply channels 23 on several extension rods 22. Since the air supply channels 23 correspond to the side walls inside the cabinet 1, the air will not blow directly onto the partition frame 2 after entering the air intake area, but will blow directly onto the side walls inside the cabinet 1, making the airflow more uniform.

[0061] The working principle or usage process of this application is as follows:

[0062] During the use of the energy storage device, as time goes by, when it is necessary to dissipate heat from one or more of the energy storage batteries 13, the blower 19 is started first. The blower 19 discharges outside air into the air intake frame through the air filter 20. After the air enters the air supply frame 21, it will enter the air intake area through the air supply slots 23 on several extension rods 22.

[0063] At this point, air can enter the partition rack 2. When higher power cooling is needed for the corresponding energy storage batteries 13, the drive unit 18 at the corresponding ventilation slot 16 position is activated, allowing the air entering the air intake area to enter the air intake frame 303 through this ventilation slot 16. Since the positions where several air intake chambers 6 and air intake frame 303 connect correspond one-to-one with the positions of several ventilation slots 16, after entering the air intake frame 303 through this ventilation slot 16, the air will preferentially enter the corresponding air intake chamber 6, thereby improving the position of the shelf 4. The energy storage battery 13 is cooled, but the air entering the air intake frame 303 will also enter other air intake chambers 6 to cool the energy storage batteries 13 in other positions. In this way, while cooling the energy storage batteries 13 that heat up faster, it also cools down other energy storage batteries 13 that heat up less quickly or whose temperature rises less significantly, thus ensuring the cooling effect. Similarly, if it is necessary to cool down all the energy storage batteries 13, then the partition 17 needs to be moved under the action of the drive component 18 so that all the ventilation slots 16 are in the open state.

[0064] During the cooling process, air enters the air intake frame 303 through the ventilation slot 16. The air entering the air intake frame 303 first enters the air intake chamber 6 in the shelf 4, then enters the area between the two shelves 4 through the air intake slot 8, and then enters the exhaust slot 9 at the bottom of the upper shelf 4. It then enters the exhaust chamber 7 through the exhaust slot 9 and is finally discharged into the exhaust frame 302. Finally, it is discharged from the top of the exhaust frame 302 into the exhaust area inside the top frame 10. During the cooling process of the energy storage battery 13, the exhaust fan 11 is turned on simultaneously to assist in the discharge of the air entering the exhaust frame 302.

[0065] When air passes through the area between the two shelves 4, it first passes through the through slot 15 at the bottom of the outer frame 12, then through several heat sinks 14, and finally enters the exhaust slot 9 at the bottom of the upper shelf 4, and is discharged through the exhaust chamber 7. When the air passes through several heat sinks 14, it carries away the heat transferred from the energy storage battery 13 to the heat sinks 14, thus effectively cooling the energy storage battery 13.

[0066] The above are merely preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A small-scale industrial and commercial energy storage device, comprising a cabinet (1), wherein two partition racks (2) are fixedly and symmetrically installed inside the cabinet (1), a placement area is provided between the two partition racks (2), and an air inlet area is provided between the partition racks (2) and the inner wall of the cabinet (1), characterized in that, Also includes: A placement rack (3) is fixedly installed inside the placement area. Two sets of shelves (4) are symmetrically and fixedly installed inside the placement rack (3). Each set of shelves (4) has several shelves arranged at equal intervals. An energy storage component is provided in the area between every two shelves (4). The energy storage component includes: An outer frame (12) is provided between every two shelves (4); Energy storage battery (13), the energy storage battery (13) can be detachably installed inside each of the outer frames (12); Heat sink (14), a plurality of heat sinks (14) are provided inside the outer frame (12), and a plurality of through slots (15) are provided at equal intervals at the bottom of the outer frame (12), and a through slot (15) is provided between every two heat sinks (14). A heat dissipation component is provided inside each of the shelves (4) for dissipating heat from the energy storage component; the heat dissipation component includes: Each shelf (4) has two uprights (5) symmetrically and fixedly installed on its upper and lower sides; An air intake chamber (6) and an exhaust chamber (7) are provided inside each of the shelves (4). The exhaust chamber (7) is located at the lower part of the air intake chamber (6). The air intake chamber (6) and the exhaust chamber (7) are arranged parallel to each other inside the shelf (4). The upper part of each shelf (4) is provided with several air inlets (8) at equal intervals, and the lower part of each shelf (4) is provided with several air outlets (9) at equal intervals. The air outlets (9) are connected to the exhaust chamber (7), and the air inlets (8) are connected to the air inlet chamber (6). An air intake control assembly is provided, wherein several air intake control assemblies are installed inside the partition rack (2), and each air intake control assembly corresponds to one of the several shelves to control the flow rate of air entering the heat dissipation assembly. Each air intake control assembly is independently controlled. An air supply assembly is installed inside the air intake area to deliver outside air into the cabinet (1). The air intake control assembly includes: Ventilation slots (16): Several ventilation slots (16) are fixedly provided on both of the two partition frames (2). Partition (17), each of the ventilation slots (16) is slidably installed with partition (17); The output end of the drive unit (18) is fixedly connected to the partition plate (17).

2. A small-scale industrial and commercial energy storage device according to claim 1, characterized in that, The placement rack (3) consists of a horizontal plate (301), an exhaust rack (302) and an air intake rack (303). An air intake rack (303) is provided on each side of the exhaust rack (302). The two air intake racks (303) are arranged symmetrically. The upper and lower ends of the exhaust rack (302) are fixed and installed with two horizontal plates (301). The horizontal plates (301) are fixedly connected to the air intake racks (303). The air intake frame (303) and the exhaust frame (302) are both hollow structures. Top frame (10), the top frame (10) is fixedly installed on the top of the cabinet (1), the top frame (10) is provided with an exhaust area, and the exhaust end of the top of the exhaust frame (302) is located inside the exhaust area.

3. A small-scale industrial and commercial energy storage device according to claim 2, characterized in that, Each of the air intake chambers (6) is connected to the air intake frame (303), and each of the exhaust chambers (7) is connected to the exhaust frame (302).

4. A small-scale industrial and commercial energy storage device according to claim 2, characterized in that, Multiple exhaust fans (11) are fixedly installed on the top of the top frame (10), and the air inlet of the exhaust fan (11) is located in the exhaust area.

5. A small-scale industrial and commercial energy storage device according to claim 4, characterized in that, The upper and lower sides of the outer frame (12) abut against the upright plate (5), and multiple heat sinks (14) are fixedly installed at equal intervals inside the outer frame (12). The heat sinks (14) abut against the side of the energy storage battery (13).

6. A small-scale industrial and commercial energy storage device according to claim 5, characterized in that, The positions where several air intake chambers (6) and air intake frame (303) are connected correspond one-to-one with several ventilation slots (16); several ventilation slots (16) are connected to air intake frame (303); The partition frame (2) has several drive components (18) fixedly installed inside, and the drive components (18) correspond one-to-one with the ventilation slots (16).

7. A small-scale industrial and commercial energy storage device according to claim 6, characterized in that, The air supply assembly includes: Blower (19), two blowers (19) are symmetrically and fixedly installed on the top of the cabinet (1); Air filter (20), the input end of each blower (19) is connected to the air filter (20), the input end of the air filter (20) is fixedly installed on the top frame (10); An air supply unit is installed inside the air inlet area. The air supply unit is connected to the output end of the blower (19) and is used to send outside air into the air inlet area.

8. A small-scale industrial and commercial energy storage device according to claim 7, characterized in that, The air supply unit includes: The air supply frame (21) is symmetrically and fixedly installed on the top of the cabinet (1). Several extension rods (22) are fixedly connected at equal distances at the bottom of the air supply frame (21). The extension rods (22) are fixedly installed inside the air inlet area. Air supply slot (23), each of the extension rods (22) is provided with the air supply slot (23).

9. A small-scale industrial and commercial energy storage device according to claim 8, characterized in that, The air duct (23) is oriented away from the partition frame (2).

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