Energy storage integrated apparatus

Abstract

The present application provides an energy storage integrated apparatus, comprising an integrated compartment and an energy storage integrated cabinet, and the integrated compartment comprises an electrical compartment. The energy storage integrated cabinet is arranged in the electrical compartment. The energy storage integrated cabinet comprises a cabinet body, and the cabinet body comprises a first chamber, a second chamber and a third chamber which are arranged at intervals in a first direction. The energy storage integrated cabinet further comprises an alternating current and control assembly, a direct current power distribution assembly and a cable assembly. The alternating current and control assembly is located in the first chamber.

Description

Energy storage integrated device

[0001] This application claims priority to the Chinese patent applications filed with the China Patent Office on December 26, 2023, with application numbers 202323591657.3 and 202323569837.1. The entire contents of the above applications are incorporated by reference into this application. Technical Field

[0002] The present application relates to the field of battery technology, and in particular to an integrated energy storage device. Background Art

[0003] With the continuous development of the electrochemical energy storage industry, energy storage power stations are increasingly demanding higher area energy density. This has led to the emergence of prefabricated battery energy storage systems. Currently, the system power distribution within the prefabricated battery compartment is housed in a separate distribution box mounted on the wall of the electrical compartment, while the DC system is housed in a separate combiner cabinet mounted on the floor of the electrical compartment within the prefabricated battery compartment. SUMMARY OF THE INVENTION

[0004] However, this configuration makes the distribution box and combiner cabinet occupy most of the space in the electrical compartment, resulting in low space utilization, complex wiring, and difficult maintenance.

[0005] In a first aspect, the present application provides an integrated energy storage device, comprising:

[0006] Integration compartment, including electrical compartment;

[0007] The energy storage integrated cabinet is arranged in the electrical cabin; the energy storage integrated cabinet includes a cabinet body, and the cabinet body includes a first chamber, a second chamber, and a third chamber spaced apart along a first direction;

[0008] The energy storage integrated cabinet also includes AC and control components, DC distribution components and cable components; the AC and control components are located in the first chamber; the DC distribution components are located in the second chamber; and the cable components are located in the third chamber. Beneficial effects

[0009] The energy storage integrated device provided herein has at least the following advantages: the energy storage integrated cabinet includes an AC and control assembly, a DC power distribution assembly, and a cable assembly, with the AC and control assembly located in a first chamber; the DC power distribution assembly located in a second chamber; and the cable assembly located in a third chamber. The integration of the AC and control assembly, DC power distribution assembly, and cable assembly within the energy storage integrated cabinet improves space utilization in the electrical compartment and facilitates inspection and maintenance by maintenance personnel. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] FIG1 is a schematic structural diagram of an energy storage integrated device provided in an embodiment of the present application;

[0011] 2A and 2B are schematic structural diagrams of an energy storage integrated cabinet provided in an embodiment of the present application;

[0012] FIG3 is a partial schematic diagram of a third chamber provided in an embodiment of the present application;

[0013] FIG4 is an electrical schematic diagram of an AC and control assembly according to an embodiment of the present application;

[0014] FIG5 is an electrical schematic diagram of a DC power distribution assembly provided in an embodiment of the present application;

[0015] FIG6 is a schematic structural diagram of an energy storage integrated device provided in an embodiment of the present application;

[0016] FIG7 is a schematic structural diagram of an energy storage integrated cabinet provided in an embodiment of the present application;

[0017] FIG8 is another structural schematic diagram of an energy storage integrated cabinet provided in an embodiment of the present application;

[0018] FIG9 , FIG10 and FIG11 are flow charts of a safety system of an energy storage integrated device provided in an embodiment of the present application.

[0019] Description of reference numerals:

[0020] 100. Energy storage integrated device; 1001. Electrical compartment; 1002. Battery compartment; 200. Energy storage integrated cabinet; 10. Cabinet; 11. Chamber; 111. First chamber; 112. Second chamber; 113. Third chamber; 12. First partition; 13. Second partition; 14. Cabinet door; 15. Exhaust vent; 16. Status indicator; 17. Operation button; 18. Display; 19. Emergency stop button; 20. AC and control components; 201. AC incoming circuit breaker; 202. Branch circuit breaker; 203. Battery management system main control board; 204. Uninterruptible power supply; 205. Backup power supply; 206. First surge protector; 207. Current transformer; 30. DC power distribution group Components; 301, DC disconnect switch; 40, cable assembly; 401, second surge protector; 402, fuse; 403, connecting bar; 403a, positive bus bar; 403b, negative bus bar; 404, first sub-connecting bar; 405, second sub-connecting bar; 406, cable group; 407, cable; 408, isolation plate; 409, insulating column; 10A, integrated cabin; 12A, first integrated board; 13A, second integrated board; 14A, support beam; 30A, first fire protection component; 301A, smoke sensor; 302, temperature sensor; 40A, second fire protection component; 401A, first sub-fire protection component; 402A, second sub-fire protection component; 501, battery rack. Modes for Carrying Out the Invention

[0021] In the description of this application, unless otherwise specified or limited, the terms "connected," "connect," and "fixed" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integration; mechanical connections or electrical connections; direct connections or indirect connections through an intermediate medium; and can refer to internal communication between two components or interaction between two components. Those skilled in the art will understand the specific meanings of the above terms in this application based on the specific circumstances.

[0022] In this application, unless otherwise expressly specified or limited, a first feature being "above" or "below" a second feature may include the first and second features being in direct contact, or the first and second features being in contact not directly but through another feature between them. Furthermore, a first feature being "above," "above," and "above" a second feature includes the first feature being directly above and obliquely above the second feature, with the first feature having a higher horizontal height than the second feature. A first feature being "below," "below," and "below" a second feature includes the first feature being directly below and obliquely below the second feature, with the first feature having a lower horizontal height than the second feature.

[0023] In the description of this embodiment, terms such as "upper," "lower," "left," "right," "front," and "rear" are used to refer to positions or locations based on the positions or locations shown in the accompanying drawings. These terms are intended to facilitate description and simplify operation, and are not intended to indicate or imply that the devices or components referred to must have, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on this application. Furthermore, the terms "first" and "second" are used for descriptive purposes only and do not have any special meanings.

[0024] In a first aspect, the present application proposes an integrated energy storage device 100 .

[0025] 1 , 2A and 2B , the energy storage integrated device 100 includes an electrical compartment 1001 and an energy storage integrated cabinet 200 . The energy storage integrated cabinet 200 is disposed in the electrical compartment 1001 .

[0026] The energy storage integrated cabinet 200 includes a cabinet body 10 , which includes a first chamber 111 , a second chamber 112 , and a third chamber 113 spaced apart along a first direction Z.

[0027] The energy storage integrated cabinet 200 also includes an AC and control component 20, a DC distribution component 30 and a cable component 40; the AC and control component 20 is located in the first chamber 111; the DC distribution component 30 is located in the second chamber 112; and the cable assembly 40 is located in the third chamber 113.

[0028] The cabinet 10 includes a plurality of chambers 11 arranged in a first direction Z. For example, there are three chambers 11, namely a first chamber 111, a second chamber 112, and a third chamber 113. The AC and control components 20, the DC distribution components 30, and the cable assemblies 40 are all disposed within the cabinet 10. Compared to related art methods in which the combiner cabinet and the distribution box are separately arranged in cabinets within the electrical compartment, the energy storage integrated cabinet 200 of one embodiment of the present application integrates the AC and control components 20, the DC distribution components 30, and the cable assemblies 40 within a single cabinet 10, thereby improving the space utilization of the electrical compartment 1001. Furthermore, if a fault occurs within the energy storage integrated cabinet 200, maintenance personnel can conveniently perform simultaneous maintenance on the AC and control components 20, the DC distribution components 30, and the cable assemblies 40. Therefore, the design of the energy storage integrated cabinet 200 not only improves the space utilization of the electrical compartment 1001 but also enhances maintenance efficiency, saving labor, manufacturing, and repair costs.

[0029] In one embodiment of the present application, the cabinet 10 includes a first partition 12 and a second partition 13 spaced apart along a first direction Z. The first partition 12 and the second partition 13 divide the cabinet 10 into a first chamber 111 , a second chamber 112 and a third chamber 113 .

[0030] The first partition 12 and the second partition 13 can be relatively parallel or relatively inclined, depending on the actual application. In one embodiment of the present application, the first partition 12 and the second partition 13 are relatively parallel to the upper surface of the cabinet 10 and relatively perpendicular to the side walls of the cabinet 10, thereby dividing the cabinet 10 into a first chamber 111, a second chamber 112, and a third chamber 113, respectively, so that the AC and control assembly 20, the DC distribution assembly 30, and the cable assembly 40 can be sequentially arranged in the first chamber 111, the second chamber 112, and the third chamber 113.

[0031] In one embodiment of the present application, the second partition plate 13 is provided with a communication groove (not shown in the drawings) along the first direction Z, and the communication groove is connected to the second chamber 112 and the third chamber 113 respectively.

[0032] Among them, the connecting groove passes through the second partition 13 along the first direction Z, and connects the second chamber 112 and the third chamber 113 through the connecting groove. The connecting groove is configured for the connection row 403 or signal line (see the detailed description below) in the cable assembly 40 to pass through. The connecting row 403 or the signal line is connected to the DC isolation switch 301 or the battery management system main control board 203 through the connecting groove, which unifies the wiring path and facilitates the wiring layout.

[0033] One end of the plurality of connection bars 403 may pass through the communication slot to be electrically connected to the DC power distribution assembly 30 .

[0034] The energy storage integrated device 100 further includes a battery compartment 1002 , which is adjacent to the electrical compartment 1001 . A plurality of battery clusters are arrayed in the battery compartment 1002 . The battery clusters are connected to the DC isolating switch 301 to provide energy for the DC distribution assembly 30 .

[0035] Referring to FIG. 2B , the cabinet 10 further includes a cabinet door 14 . The cabinet door 14 is configured to open or close the cabinet 10 to facilitate maintenance personnel to inspect and repair the cabinet.

[0036] A status indicator light 16 is provided on the cabinet body 10. The status indicator light 16 is configured to indicate the internal condition of the energy storage integrated cabinet 200. The status indicator light 16 includes a red light and a green light. When the status indicator light 16 displays a green light, the internal circuit or safety condition of the energy storage integrated cabinet 200 is good; when the status indicator light 16 displays a red light, it indicates that there are hidden dangers in the internal circuit or safety of the energy storage integrated cabinet 200 and maintenance is required. The staff can know whether there are safety or circuit hidden dangers in the energy storage integrated cabinet 200 based on the status indicator light 16.

[0037] The cabinet 10 is also provided with operating buttons 17. The operating buttons 17 include a closing button and an opening button. Both the closing button and the opening button are connected to the DC disconnector 301. The closing button is configured to connect the DC disconnector 301, and the opening button is configured to disconnect the DC disconnector 301, that is, to disconnect the DC disconnector 301 from the battery cluster.

[0038] The cabinet body 10 is further provided with a display screen 18 , which is configured to display the internal conditions of the energy storage integrated cabinet 200 .

[0039] An emergency stop button 19 is also provided on the cabinet 10. When a fire accident occurs or an emergency stop is required, the emergency stop button 19 can be activated to stop the operation of the energy storage integrated cabinet 200. The cabinet 10 not only includes the above-mentioned parts, but is subject to actual application.

[0040] The cabinet body 10 is provided with a plurality of exhaust holes 15, which are arranged in an array on the cabinet body 10. The exhaust holes 15 pass through the side wall of the cabinet body 10 and respectively connect the external air and the first chamber 111 and the third chamber 113 of the energy storage integrated cabinet 200, and are configured to dissipate heat and ventilate the energy storage integrated cabinet 200.

[0041] In one embodiment of the present application, the cable assembly 40 includes a plurality of connection bars 403 ; the DC power distribution assembly 30 includes a DC isolating switch 301 , and the plurality of connection bars 403 are respectively connected to the DC isolating switches 301 .

[0042] The DC disconnect switch 301 is located within the second chamber 112 and is connected to a plurality of connecting bars 403. The ends of the connecting bars 403 facing away from the DC disconnect switch 301 are connected to a power source, such as a battery pack in a battery compartment. The ends of the connecting bars 403 facing away from the DC disconnect switch 301 can also be connected to an external power conversion system (PCS). Specifically, the connecting bars 403 may include a first sub-connecting bar 404 and a second sub-connecting bar 405. The first sub-connecting bar 404 has its ends connected to the DC disconnect switch 301 and the battery pack, respectively, while the second sub-connecting bar 405 has its ends connected to the converter.

[0043] 2A and 3 , in one embodiment of the present application, the cable assembly 40 includes a plurality of cable groups 406 , one end of each cable group 406 is connected to the connection bar 403 , and the other end is connected to the battery cluster and / or the converter.

[0044] Each cable group 406 includes multiple cables 407, and an insulating protective layer is provided on the surface of the cables 407. The insulating protective layer separates the multiple cables 407. The cables 407 are arranged on opposite sides of the third chamber 113 to achieve isolation between strong electricity and weak electricity to reduce electromagnetic interference.

[0045] Each busbar can be provided with a cable group 406. The first sub-connecting bar 404 is directly connected to the DC disconnector 301. One end of the cable group 406 is connected to the first sub-connecting bar 404, and the other end passes through the bottom of the cabinet 10 to connect to the battery cluster. The second sub-connecting bar 405 is directly connected to the DC disconnector 301. One end of the cable group 406 is connected to the second sub-connecting bar 405, and the other end passes through the bottom of the cabinet 10 to connect to the converter (not shown in the drawings). However, the number of cable groups 406 on the connecting bar 403 is not limited to one group and can be adaptively increased according to actual conditions, subject to actual application.

[0046] The third chamber 113 also houses a second surge protector 401, a fuse 402, and a grounding bar. The first chamber 111 houses the battery management system main control board 203. The cable assembly 40 also includes signal lines. The second surge protector 401 is connected to the battery management system main control board 203 via the signal lines, providing lightning protection for the DC power distribution assembly 30. The fuse 402 serves as a backup for the second surge protector 401, providing protection in the event of failure or internal short circuit. The grounding bar provides grounding protection for the energy storage integrated cabinet 200.

[0047] In one embodiment of the present application, the connecting bar 403 includes a positive bus bar 403a and a negative bus bar 403b, and the positive bus bar 403a and the negative bus bar 403b are respectively located on opposite sides of the third chamber 113, wherein an isolation plate 408 is also provided in the third chamber 113, and the isolation plate 408 is provided between the positive bus bar 403a and the negative bus bar 403b, and the isolation plate 408 is configured to isolate the positive bus bar 403a and the negative bus bar 403b.

[0048] Each of the first and second sub-connecting bars 404, 405 includes a positive busbar 403a and a negative busbar 403b. The positive busbar 403a of the first and second sub-connecting bars 404, 405 is located on one side of the third chamber 113, while the negative busbar 403b of the first and second sub-connecting bars 404, 405 is located on the other side of the third chamber 113. In other words, the positive busbar 403a and the negative busbar 403b of the first and second sub-connecting bars 404, 405 are arranged opposite each other. The positive busbar 403a and the negative busbar 403b of the first sub-connecting bar 404 are connected to the DC isolating switch 301 and the battery cluster, respectively. The positive busbar 403a and the negative busbar 403b of the second sub-connecting bar 405 are connected to the DC isolating switch 301 and the converter, respectively.

[0049] The positive bus bar 403a of the first sub-connection bar 404 is the B+ connection bar of the battery cluster, and the negative bus bar 403b of the first sub-connection bar 404 is the B- connection bar of the battery cluster; the positive bus bar 403a of the second sub-connection bar 405 is the P+ connection bar of the inverter, and the negative bus bar 403b of the second sub-connection bar 405 is the P- connection bar of the inverter.

[0050] A spacer 408 is positioned between positive busbar 403a and negative busbar 403b, with a separator 408 positioned therebetween. Specifically, separator 408 is positioned between positive busbar 403a and negative busbar 403b to prevent short circuits between positive busbar 403a and negative busbar 403b within the cabinet. The number of separators 408 is not limited in this application; they may be positioned to prevent short circuits between positive busbar 403a and negative busbar 403b within the cabinet.

[0051] The cable assembly 40 also includes an insulating column 409, and the positive bus 403a and the negative bus 403b are connected to the insulating column 409 on the side away from the cabinet door 14. The insulating column 409 is configured to fix the positive bus 403a and the negative bus 403b into the third chamber 113. The insulating column 409 acts as an insulator to prevent the cabinet body 10 and the positive bus 403a and the negative bus 403b from short circuiting.

[0052] Please refer to FIG. 2A . In one embodiment of the present application, the AC and control assembly 20 includes an AC incoming line breaker 201 and a plurality of branch circuit breakers 202 . The AC incoming line breaker 201 is connected to the plurality of branch circuit breakers 202 .

[0053] Among them, the AC current is the energy supply for the AC and control component 20. The AC power supply can be, for example, the AC power supply. The AC power supply supplies energy to the AC incoming circuit breaker 201 and is connected to the AC incoming circuit breaker 201 through a cable. The AC incoming circuit breaker 201 controls the connection and disconnection of the AC power supply. The AC current flows into the AC incoming circuit breaker 201 and flows into the load equipment through multiple branch circuit breakers 202 to supply energy to the load equipment.

[0054] There can be nine branch circuit breakers 202 , with multiple load devices located within the energy storage integrated device 100 and connected to each of the branch circuit breakers 202 . These load devices include a liquid cooling unit, a dehumidifier, a fire fan, a fire control unit, a lighting fixture, and a maintenance socket. One of the branch circuit breakers 202 is also connected to an uninterruptible power supply (UPS) 204 , which in turn is connected to the other loads. The UPS 204 stabilizes the AC power before supplying it to the other loads. The branch circuit breaker 202 also has a backup branch, which is configured to serve as a backup in the event that another branch circuit breaker 202 fails.

[0055] The AC and control assembly 20 is provided with a first surge protector 206 to provide lightning protection. The first surge protector 206 is connected to a branch circuit breaker 202 and is connected to the battery management system main control board 203 via a signal line.

[0056] The height of the energy storage integrated cabinet 200 is, for example, 2300 mm, and the height of the AC incoming circuit breaker 201 is set to 1400 mm, but is not limited thereto. This height is convenient for maintenance personnel to perform maintenance without the need for a ladder.

[0057] In one embodiment of the present application, the AC and control component 20 includes a battery management system main control board 203, and the battery management system main control board 203 is connected to the AC incoming line circuit breaker 201 and multiple branch circuit breakers 202 respectively.

[0058] The battery management system includes a battery management system main control board 203 and a battery management system slave control board. The battery management system main control board 203 is located in the first chamber 111, and the battery management system slave control board is located in the energy storage integrated device 100. The battery management system main control board 203 and the battery management system slave control board are connected. The battery management system main control board 203 is configured to collect signals from the battery management system slave control board, collect signals such as the current, voltage, and temperature of the battery cluster in the energy storage integrated device 100, collect signals from load devices (such as liquid cooling units, fire fans, and fire control units), monitor the operating status of each device, collect signals from the first surge protector 206 and the second surge protector 401, and initiate protective actions in response to abnormalities or faults.

[0059] In one embodiment of the present application, the AC and control component 20 further includes an uninterruptible power supply 204 and a backup power supply 205 connected to the uninterruptible power supply 204, wherein the uninterruptible power supply 204 is connected to the branch circuit breaker 202 and the DC isolation switch 301 respectively.

[0060] One of the branch circuit breakers 202 is connected to an uninterruptible power supply (UPS) 204. Other loads are connected to the branches of UPS 204. Mains power flows through branch circuit breaker 202 into UPS 204 for voltage stabilization and supplies the other loads, including a high-voltage box, blinds, sensors, and a debugging socket. UPS 204 is also connected to a DC isolating switch 301, providing power to open or close it. UPS 204 also has a backup branch.

[0061] The uninterruptible power supply 204 is, for example, an online uninterruptible power supply, and the backup power supply 205 is connected to the uninterruptible power supply 204. When the mains power is cut off, the backup power supply 205 supplies power to the uninterruptible power supply 204 to ensure that the battery management system main control board 203, the battery management system slave control board or the DC distribution component 30 are not cut off, the system is monitored and protected, and the stability and safety of the system are maintained.

[0062] A debugging socket and a current transformer 207 are also located within the first chamber 111. The debugging socket is connected to the uninterruptible power supply 204, providing a power interface for computers and other devices during on-site debugging. The current transformer 207 collects the power consumption of the AC and control components 20 to measure electricity costs and energy consumption.

[0063] In one embodiment of the present application, a cable hole (not shown in the drawings) is provided on the side of the cabinet 10 away from the first chamber 111. One end of the cable assembly 406 passes through the cable hole and connects to the battery cluster and / or inverter. Wiring for control systems such as the external battery system, fire protection system, temperature control system, lighting system, inverter, and EMS is introduced through the cable hole, which unifies the wiring and facilitates inspection and maintenance. A mounting base is also provided at the bottom of the cabinet 10 away from the first chamber 111 to facilitate installation of the cabinet 10.

[0064] Cabinet 10 is provided with wiring troughs (not shown in the drawings) on opposite sides to facilitate the insertion of signal cables from cable assembly 40 into first chamber 111. This facilitates the insertion of other cables or signal cables connected to AC and control assembly 20 into first chamber 111, facilitating maintenance and installation. Terminal blocks are also provided within first chamber 111.

[0065] Referring to Figure 4 , the AC power supply is connected to and powered by the AC incoming line breaker 201. This AC incoming line breaker 201 is connected to and controls the opening and closing of multiple branch circuit breakers 202. There are nine branch circuit breakers 202, each connected to multiple load devices, forming nine branch lines. These load devices include a liquid cooling unit A, a dehumidifier B, a fire fan C, a fire control unit D, a lighting fixture E, and an inspection socket F. Branch lines L1, L2, L3, L4, L5, and L6 are sequentially connected to the liquid cooling unit A, dehumidifier B, fire fan C, fire control unit D, lighting fixture E, and inspection socket F to power these load devices. Branch line L7 is connected to the uninterruptible power supply 204. Branch line L8 is a backup line. Branch line L9 is connected to the first surge protector 206 within the first chamber 111 to provide lightning protection.

[0066] Please refer to Figures 4 and 5. The uninterruptible power supply 204 is connected to multiple loads, including a high-voltage box G, a shutter H, a sensor I, and a debugging socket J. The uninterruptible power supply 204 includes six branch lines, namely branch line L10, branch line L11, branch line L12, branch line L13, branch line L14, and branch line L15. Branch line L10, branch line L11, branch line L12, and branch line L14 are connected to the high-voltage box G, the shutter H, the sensor I, and the debugging socket J, respectively. Branch line L13 is connected to the second surge protector 401 located in the third chamber 113 to provide lightning protection. Branch circuit L15 is a backup line.

[0067] When the mains power is operating normally, it supplies power to the load devices via the AC incoming line circuit breaker 201 and multiple branch circuit breakers 202. The uninterruptible power supply 204 connected to branch line L7 stabilizes the mains power and provides energy to the loads. However, when the mains power is disconnected, to maintain system stability, the backup power supply 205 supplies power to the uninterruptible power supply 204 and the loads. In one embodiment, the backup power supply 205 can provide energy for 30 minutes, while ensuring that the DC disconnect switch 301 has energy to open and close, ensuring the safety of the energy storage integrated cabinet 200.

[0068] The DC isolating switch 301 is connected to the battery cluster and is configured to disconnect or connect the battery cluster. A second surge protector 401 is located within the third chamber 113. This second surge protector 401 is connected to the DC isolating switch 301 via a connecting bar 403 to provide lightning protection. The DC isolating switch 301 is connected to the converter via the P+ and P- terminals of the second connecting sub-bar 405.

[0069] The positive bus bar 403a of the first sub-connection bar 404 is the B+ connection bar of the battery cluster, and the negative bus bar 403b of the first sub-connection bar 404 is the B- connection bar of the battery cluster; the positive bus bar 403a of the second sub-connection bar 405 is the P+ connection bar of the inverter, and the negative bus bar 403b of the second sub-connection bar 405 is the P- connection bar of the inverter.

[0070] The energy storage integrated device 100 provided in this application includes at least the following working processes or principles: the energy storage integrated device 100 includes an integrated cabin 10A and an energy storage integrated cabinet 200, the integrated cabin 10A includes an electrical cabin 1001; the energy storage integrated cabinet 200 is arranged in the electrical cabin 1001; the energy storage integrated cabinet 200 includes a cabinet body 10, the cabinet body 10 includes a first chamber 111, a second chamber 112 and a third chamber 113 arranged at intervals along a first direction Z; the energy storage integrated cabinet 200 also includes an AC and control component 20, a DC distribution component 30 and a cable assembly 40; the AC and control component 20 is located in the first chamber 111; the DC distribution component 30 is located in the second chamber 112; and the cable assembly 40 is located in the third chamber 113. The chambers of the DC distribution assembly 30 and the cable assembly 40 are interconnected, so that the connection row 403 or signal line of the cable assembly 40 can be connected to the DC isolation switch 301 of the DC distribution assembly 30. The AC and control assembly 20, the DC distribution assembly 30 and the cable assembly 40 are integrated into the energy storage integrated cabinet 200, thereby improving the space utilization rate of the electrical compartment 1002. When any of the AC and control assembly 20, the DC distribution assembly 30 and the cable assembly 40 fails, it is only necessary to open the energy storage integrated cabinet 200 for repair, which is convenient for maintenance personnel to carry out inspection and maintenance.

[0071] Please refer to Figures 6 and 7. In some embodiments of the present application, the energy storage integrated device 100 includes an integrated cabin 10A, an energy storage integrated cabinet 200, a first fire protection component 30A and a second fire protection component 40A. The integrated cabin 10A includes an electrical cabin 1001; the energy storage integrated cabinet 200 is installed in the electrical cabin 1001; the first fire protection component 30A is arranged in the electrical cabin 1001; the second fire protection component 40A is arranged in the energy storage integrated cabinet 200, wherein the second fire protection component 40A includes fire protection equipment and a temperature sensor (not shown in the drawings). The fire protection equipment is connected to the temperature sensor and is installed in the energy storage integrated cabinet 200. The temperature sensor is configured to sense the second temperature information of the energy storage integrated cabinet 200.

[0072] To simultaneously monitor the fire safety of both the electrical compartment 1001 and the energy storage integrated cabinet 200, a first fire protection component 30A and a second fire protection component 40A are installed in the electrical compartment 1001 and the energy storage integrated cabinet 200, respectively. Referring to Figure 8 , the energy storage integrated cabinet 200 integrates the AC and control components 20, the DC power distribution components 30, and the cable assembly 40 into a single cabinet. The second fire protection component 40A can simultaneously monitor the fire safety of the AC and control components 20, the DC power distribution components 30, and the cable assembly 40, providing comprehensive and full coverage of the fire safety of the energy storage integrated device 100. In the event of a fire, timely detection, early warning, and prevention of fire spread can be achieved, greatly ensuring the electrical safety of the energy storage integrated device 100.

[0073] In one embodiment of the present application, the first fire protection component 30A includes a smoke sensor 301A and a temperature sensor 302. The smoke sensor 301A and the temperature sensor 302 are respectively installed in the electrical compartment 1001. The smoke sensor 301A is configured to sense the smoke concentration information of the electrical compartment 1001, and the temperature sensor 302 is configured to sense the first temperature information of the electrical compartment 1001.

[0074] The energy storage integrated device 100 includes a first integrated board 12A and a second integrated board 13A. The first integrated board 12A and the second integrated board 13A are arranged opposite to each other, and a plurality of support beams 14A are arranged between the first integrated board 12A and the second integrated board 13A to form an accommodating space. The accommodating space is divided into an electrical compartment 1001 and a battery compartment 1002. The smoke sensor 301A and the temperature sensor 302 are located in the electrical compartment 1001. More specifically, the smoke sensor 301A and the temperature sensor 302 are arranged on the first integrated board 12A in the electrical compartment 1001. The smoke sensor 301A and the temperature sensor 302 can be arranged adjacent to each other on the first integrated board 12A, for example, and are respectively configured to sense smoke concentration information and first temperature information.

[0075] Smoke sensor 301A is configured to detect smoke concentration in the air and determine whether it meets a first alarm triggering condition: a smoke concentration greater than 0.15%. Temperature sensor 302 is configured to detect a first temperature in the air and determine whether it meets a second alarm triggering condition: the temperature in electrical compartment 1001 exceeds 70°C. If either the first or second alarm triggering condition is triggered, the fire control unit will issue an alarm signal and initiate safety measures.

[0076] In one embodiment of the present application, the firefighting equipment is an aerosol fire extinguisher, and the temperature sensing element is a thermistor. The temperature sensing element (i.e., the thermistor) is configured to detect the second temperature information of the energy storage integrated cabinet 200. If the temperature reaches 170°C-180°C, the firefighting equipment, which is an aerosol fire extinguisher, is triggered. The aerosol fire extinguisher sprays fire extinguishing agent into the energy storage integrated cabinet 200, evenly filling the entire energy storage integrated cabinet 200 with the fire extinguishing agent to achieve the effect of cooling and extinguishing the fire. If the third alarm triggering condition is triggered, the fire host sends an alarm signal, and the battery management system initiates corresponding safety measures and shuts down the DC disconnect switch 301 and the AC incoming circuit breaker 201.

[0077] Second firefighting assembly 40A is configured to monitor and prevent fire safety within energy storage cabinet 200. A temperature sensor is connected to a battery management system (BMS). The temperature sensor is configured to sense a second temperature within energy storage cabinet 200 and determine whether a third alarm triggering condition has been met: the second temperature within energy storage cabinet 200 reaches 170°C-180°C, triggering the firefighting equipment. The BMS receives the second temperature information from the temperature sensor or the status information of the firefighting equipment (whether it is on or off), and determines whether to operate or deactivate energy storage cabinet 200 based on the first temperature information or the status information of the firefighting equipment.

[0078] In one embodiment, an alarm controller may be provided in the energy storage integrated cabinet 200, the temperature sensing element is connected to the alarm controller, and the alarm controller is connected to the fire host, thereby realizing the alarm function, but it is not limited to this and is subject to actual application.

[0079] When any one of the first alarm triggering condition, the second alarm triggering condition and the third alarm triggering condition is triggered, the fire host can be triggered to send an alarm signal and start corresponding safety measures. The safety measures are to open the DC disconnect switch 301 and the AC incoming circuit breaker 201.

[0080] Please refer to Figures 7 and 8. In one embodiment of the present application, the energy storage integrated cabinet 200 includes a first chamber 111, a second chamber 112 and a third chamber 113 arranged at intervals along the first direction Z; the AC and control component 20 is located in the first chamber 111; the DC distribution component 30 is located in the second chamber 112; and the cable assembly 40 is located in the third chamber 113.

[0081] The cable assembly 40 includes a plurality of connection bars 403 , and the plurality of connection bars 403 are respectively connected to the DC power distribution assembly 30 .

[0082] The energy storage integrated cabinet 200 includes multiple, spaced-apart chambers 11 arranged along a first direction Z. These chambers 11 include a first chamber 111, a second chamber 112, and a third chamber 113. The AC and control components 20, the DC power distribution components 30, and the cable assembly 40 are integrated into a single cabinet, improving space utilization in the electrical compartment 1001 and facilitating simultaneous fire monitoring of the AC and control components 20, the DC power distribution components 30, and the cable assembly 40. The energy storage integrated cabinet 200 is equipped with a cabinet door 14, which is configured to open and close the energy storage integrated cabinet 200 and facilitate inspection and maintenance by maintenance personnel.

[0083] The cabinet door 14 is provided with an opening switch and a closing switch, which are connected to the DC isolating switch 301 and the battery management system. The opening switch and the closing switch are configured to cooperate with the battery management system to control the closing and opening of the DC isolating switch 301, thereby disconnecting or connecting with the battery cluster and / or the power conversion system (PCS), which can reduce the risk of thermal runaway, isolate faults, and prevent the spread of fire.

[0084] Surge protectors are provided in both the first chamber 111 and the third chamber 113 . The surge protectors are connected to the main control board to provide lightning protection for the energy storage integrated cabinet 200 .

[0085] The energy storage integrated cabinet 200 is provided with a cable hole (not shown in the drawings) at the bottom away from the first chamber 111. The cable assembly 40 also includes a plurality of cable groups 406. One end of the plurality of cable groups 406 passes through the energy storage integrated cabinet 200 from one end of the cable hole and is connected to the battery cluster and / or the converter. A wiring trough (not shown in the drawings) is also provided in the energy storage integrated cabinet 200. The cable assembly 40 also includes signal lines, which are respectively connected to the surge protector and the main control board. The wiring trough (not shown in the drawings) is configured to route signal lines or cables. The surge protector located in the third chamber 113 is connected to the main control board. Its signal line can, for example, pass through the wiring trough to connect to the main control board to play a role in lightning protection.

[0086] The AC and control component 20 includes an AC incoming circuit breaker 201 and multiple branch circuit breakers 202. The AC incoming circuit breaker 201 is connected to the multiple branch circuit breakers 202. The multiple branch circuit breakers 202 are respectively connected to different load devices. The AC incoming circuit breaker 201 is connected to the AC current (such as AC power) and supplies energy to different load devices through the multiple branch circuit breakers 202.

[0087] The load equipment may include, for example, a liquid cooling unit, a dehumidifier, a fire fan, a fire control unit, or a lighting fixture, and may be located within the integrated cabin 10A. The AC and control assembly 20 provides an auxiliary power source to power the load equipment. When the second fire protection assembly 40A provides the second temperature information or status information to the battery management system, the battery management system can control the AC incoming line breaker 201 to shut down, thereby cutting off the AC power (e.g., mains power), halting the load equipment operation, preventing fire or other electrical safety hazards, and preventing the risk of electric shock during the firefighting process, thereby ensuring personnel safety.

[0088] The DC power distribution assembly 30 includes a DC disconnect switch 301 , and the cable assembly 40 includes a connecting bar 403 and multiple cable groups 406 . One end of the multiple connecting bars 403 is connected to the DC disconnect switch 301 , and the other end is connected to the battery cluster and / or converter through the cable group 406 .

[0089] The connecting bar 403 includes a first sub-connecting bar 404 and a second sub-connecting bar 405. The first sub-connecting bar 404 is connected to the battery cluster via a cable group 406, and the second sub-connecting bar 405 is connected to the converter via a cable group 406. The first sub-connecting bar 404 and the second sub-connecting bar 405 both include a positive bus bar 403a and a negative bus bar 403b. The positive bus bar 403a and the negative bus bar 403b are located on opposite sides of the third chamber 113, and the positive bus bar 403a and the negative bus bar 403b are also provided with an isolation plate 408 to prevent short circuit between the positive bus bar 403a and the negative bus bar 403b. The positive bus bar 403a and the negative bus bar 403b are respectively connected to the DC isolating switch 301 and multiple cable groups 406. The cable assembly 40 further includes an insulating column 409 , which is located on a side of the positive busbar 403 a and the negative busbar 403 b away from the cabinet door 14 and is configured to connect the positive busbar 403 a and the negative busbar 403 b to the third chamber 113 and provide insulation.

[0090] The DC isolating switch 301 is connected to the battery management system. When the first fire protection component 30A or the second fire protection component 40A provides the second temperature information or status information to the battery management system, the battery management system can control the closure of the DC isolating switch 301, cut off the connection between the battery cluster and / or the inverter, and avoid fire or other impacts on electrical safety.

[0091] In one embodiment of the present application, the energy storage integrated cabinet 200 includes a first partition 12 and a second partition 13 arranged at intervals along a first direction Z. The first partition 12 and the second partition 13 separate the energy storage integrated cabinet 200 into a first chamber 111, a second chamber 112 and a third chamber 113, wherein the second partition 13 is provided with a connecting groove along the first direction, and the connecting groove connects the second chamber 112 and the third chamber 113 respectively.

[0092] The first partition 12 and the second partition 13 are, for example, relatively parallel or relatively inclined. In some embodiments of the present application, the first partition 12 and the second partition 13 are, for example, relatively parallel to the upper surface of the energy storage integrated cabinet 200 and relatively perpendicular to the side walls of the energy storage integrated cabinet 200. The first partition 12 and the second partition 13 separate the energy storage integrated cabinet 200 into a first chamber 111, a second chamber 112 and a third chamber 113, so that the AC and control component 20, the DC distribution component 30 and the cable component 40 can be arranged in the first chamber 111, the second chamber 112 and the third chamber 113 in sequence.

[0093] The second partition plate 13 is provided with, for example, a connecting slot along the first direction Z. This connecting slot is configured to route the connecting bars 403 or signal lines. The connecting slot allows for communication between the second chamber 112 and the third chamber 113, unifying the routing paths and facilitating monitoring and routing. For example, one end of each of the connecting bars 403 can pass through the connecting slot to electrically connect to the DC power distribution assembly 30.

[0094] In one embodiment of the present application, the second fire protection component 40A includes a first sub-fire protection component 401A and a second sub-fire protection component 402A. The first sub-fire protection component 401A is installed in the first chamber 111, and the second sub-fire protection component 402A is installed in the second chamber 112 and / or the third chamber 113.

[0095] The energy storage integrated cabinet 200 has two firefighting facilities: a first firefighting sub-assembly 401A and a second firefighting sub-assembly 402A. The first firefighting sub-assembly 401A is installed in the first chamber 111 and is configured to monitor and protect the fire safety of the AC and control assembly 20. The second firefighting sub-assembly 402A is located in the second chamber 112 or the third chamber 113. Because the second partition 13 is provided with a connecting groove, the second chamber 112 and the third chamber 113 are interconnected. The second chamber 112 and the third chamber 113 can share a firefighting facility, namely, the second firefighting sub-assembly 402A. However, the number of firefighting facilities in the energy storage integrated cabinet 200 is not limited to two; firefighting facilities can be installed in the first chamber 111, the second chamber 112, and the third chamber 113, depending on the actual application.

[0096] The second fire protection component 40A includes a first sub-fire protection component 401A and a second sub-fire protection component 402A. The second temperature message of the second fire protection component 40A may include first sub-temperature information and second sub-temperature information. Either the first sub-temperature information or the second sub-temperature information can trigger the third alarm trigger condition, so that the battery management system can control the DC disconnect switch 301 and the AC incoming circuit breaker 201 to open.

[0097] In one embodiment of the present application, the first sub-firefighting assembly 401A and the second sub-firefighting assembly 402A both include firefighting equipment and temperature sensors.

[0098] In one embodiment of the present application, an energy storage integrated device 100 also includes a battery management system, including a battery management system main control board 203 and a battery management system slave control board that are interconnected. The battery management system main control board is arranged in the energy storage integrated cabinet 200, and the battery management system slave control board is arranged in the electrical compartment 1001 and connected to the fire host. The battery management system slave control board is configured to collect temperature information or status information of the fire host.

[0099] The battery management system main control board 203 is configured to collect signals from the battery management system slave control board and provide signal acquisition control. The signal acquisition control includes, for example, collecting the current, voltage, temperature of the battery (battery cluster) and load device information, monitoring the operating status of the load device or battery and other equipment, and issuing protection actions for abnormalities or faults.

[0100] The AC incoming circuit breaker 201 and the DC isolating switch 301 are respectively connected to the battery management system. Safety measures are, for example: when any of the first alarm triggering condition, the second alarm triggering condition and the third alarm triggering condition is triggered, the fire host issues an alarm and transmits it to the battery management system. The battery management system sends a signal to control the AC incoming circuit breaker 201 and the DC isolating switch 301 to open, and the energy storage integrated cabinet 200 stops operating.

[0101] In one embodiment of the present application, the integrated cabin 10A further includes a battery cabin 1002 , in which a plurality of battery racks 501 are arranged in an array. The battery racks 501 are provided with battery clusters, which are connected to the energy storage integrated cabinet 200 .

[0102] Referring to FIG. 9 , in a second aspect, the present application provides a safety system for an energy storage integrated device 100 , including the energy storage integrated device 100 and a processor, wherein the processor performs the following steps:

[0103] Step S1 : acquiring sensing information, where the sensing information includes smoke concentration information and first temperature information of the electrical compartment 1001 , and second temperature information of the energy storage integrated cabinet 200 .

[0104] Step S2, determining whether any one of the smoke concentration information, the first temperature information, and the second temperature information meets the corresponding trigger condition. If so, an alarm signal is sent to the battery management system, so that the battery management system controls the energy storage integrated cabinet 200 to stop running.

[0105] Please refer to FIG10 , step S1 further includes steps S11-S13:

[0106] Step S11, the smoke sensor 301A obtains smoke concentration information of the electrical compartment 1001;

[0107] Step S12: The temperature sensor 302 obtains first temperature information of the electrical compartment 1001;

[0108] Step S13: The temperature sensing element obtains second temperature information of the energy storage integrated cabinet 200.

[0109] In step S2, the trigger conditions include the first alarm trigger condition, the second alarm trigger condition and the third alarm trigger condition, wherein the first alarm trigger condition is: the smoke concentration value is greater than 0.15%; the second alarm trigger condition is: the temperature value of the electrical compartment 1001 exceeds 70°C; the third alarm trigger condition is: the temperature value in the energy storage integrated cabinet 200 reaches 170°C-180°C and triggers the fire-fighting equipment.

[0110] The second temperature information includes first sub-temperature information and second sub-temperature information, and either the first sub-temperature information or the second sub-temperature information can trigger a third alarm triggering condition.

[0111] Please refer to FIG11 , step S2 further includes step S21:

[0112] In step S21 , the sensing information is compared with the trigger condition. If any one of the smoke concentration information, the first temperature information, and the second temperature information satisfies the corresponding trigger condition, the battery management system controls the DC disconnect switch 301 and the AC incoming circuit breaker 201 to open.

[0113] It can be understood that the first fire protection component 30A or the second fire protection component 40A can determine the shutdown of the energy storage integrated device 100, the first fire protection component 30A and the second fire protection component 40A can determine the shutdown of the energy storage integrated device 100, and the first sub-fire protection component 401A and the second sub-fire protection component 402A can both determine the shutdown of the energy storage integrated device 100.

[0114] The energy storage integrated device 100 provided herein includes at least the following operating process or principle: the energy storage integrated device 100 includes an integrated cabin 10A, an energy storage integrated cabinet 200, a first fire protection component 30A, and a second fire protection component 40A. The integrated cabin 10A includes an electrical cabin 1001; the energy storage integrated cabinet 200 is installed within the electrical cabin 1001; the first fire protection component 30A is located within the electrical cabin 1001; and the second fire protection component 40A is located within the energy storage integrated cabinet 200. The first fire protection component 30A and the second fire protection component 40A respectively monitor the electrical cabin 1001 and the energy storage integrated cabinet 100 for fire protection. When preset conditions are met, the battery management system controls the AC incoming line circuit breaker 201 and the DC disconnector 301 to close, thereby disconnecting the AC incoming line circuit breaker 201 and the DC disconnector 301 from the load equipment or the battery cluster and the converter. This provides comprehensive and full-range fire protection coverage for the energy storage integrated device 100, protecting the entire electrical system of the energy storage integrated device 100 and preventing the spread of fire. At the same time, the AC and control components 20, the DC distribution components 30 and the cable components 40 are a cabinet, which greatly improves the space utilization of the battery compartment 1002; in addition, the second fire protection component 40A performs fire protection monitoring on the AC and control components 20, the DC distribution components 30 and the cable components 40, which not only provides all-round and full-range fire protection coverage but also improves maintenance efficiency and reduces construction and maintenance costs.

Claims

1. An energy storage integrated device, comprising: An integrated cabin (10A), including an electrical cabin (1001); An energy storage integrated cabinet (200), disposed in the electrical cabin (1001); the energy storage integrated cabinet (200) includes a cabinet body (10), and the cabinet body (10) includes a first chamber (111), a second chamber (112) and a third chamber (113) arranged at intervals in a first direction; The energy storage integrated cabinet (200) further includes an AC and control component (20), a DC power distribution component (30) and a cable component (40); the AC and control component (20) is located in the first chamber (111); the DC power distribution component (30) is located in the second chamber (112); the cable component (40) is located in the third chamber (113).

2. The energy storage integration device according to claim 1, wherein, The cabinet body (10) includes a first partition board (12) and a second partition board (13) arranged at intervals in the first direction, and the first partition board (12) and the second partition board (13) divide the cabinet body (10) into the first chamber (111), the second chamber (112) and the third chamber (113).

3. The energy storage integrated device according to claim 2, wherein, The second partition board (13) is provided with a communication groove in the first direction, and the communication groove communicates with the second chamber (112) and the third chamber (113) respectively.

4. The energy storage integration device according to claim 3, wherein, The cable component (40) includes a plurality of connection rows (403); The DC power distribution component (30) includes a DC disconnector (301), and the plurality of connection rows (403) are respectively communicated with the DC disconnector (301).

5. The energy storage integration device according to claim 4, wherein, The cable component (40) includes a plurality of cable groups (406), one end of each cable group (406) is respectively connected to the plurality of connection rows (403), and the other end is connected to a battery cluster and / or an inverter.

6. The energy storage integrated device according to claim 4, wherein, The connection row (403) includes a positive busbar (403a) and a negative busbar (403b), the positive busbar (403a) and the negative busbar (403b) are located on opposite sides of the third chamber (113), and an isolation board (408) is arranged in the third chamber (113) between the positive busbar (403a) and the negative busbar (403b).

7. The energy storage integrated device according to claim 4, wherein, The AC and control component (20) includes an AC incoming line circuit breaker (201) and a plurality of branch circuit breakers (202), and the AC incoming line circuit breaker (201) is respectively communicated with the plurality of branch circuit breakers (202).

8. The energy storage integrated device according to claim 7, wherein, The AC and control component (20) includes a main control board of the battery management system (203), and the main control board of the battery management system (203) is respectively connected to the AC incoming line circuit breaker (201) and the plurality of branch circuit breakers (202).

9. The energy storage integrated device according to claim 8, wherein, The AC and control component (20) further includes an uninterruptible power supply (204) and a backup power supply (205) connected to the uninterruptible power supply (204), wherein the uninterruptible power supply (204) is respectively connected to the branch circuit breaker (202) and the DC disconnector (301).

10. The energy storage integrated device according to claim 4, wherein, One side of the cabinet body (10) away from the first chamber (111) is provided with a cable hole, and one end of the cable group (406) passes through the cable hole and is communicated with the battery cluster and / or the inverter.

11. The energy storage integration device according to any one of claims 1 to 10, further comprising: A first fire protection component (30A), provided in the electrical compartment (1001); And A second fire protection component (40A), provided in the energy storage integration cabinet (200), wherein the second fire protection component (40A) includes a fire protection device and a temperature sensing element, the fire protection device is communicated with the temperature sensing element and installed in the energy storage integration cabinet (200), and the temperature sensing element is configured to sense the second temperature information of the energy storage integration cabinet (200).

12. The energy storage integrated device according to claim 11, wherein, The first fire protection component (30A) includes a smoke sensor (301A) and a temperature sensor (302), which are respectively installed in the electrical compartment (1001), the smoke sensor (301A) is configured to sense the smoke concentration information of the electrical compartment (1001), and the temperature sensor (302) is configured to sense the first temperature information of the electrical compartment (1001).

13. The energy storage integration device according to claim 12, wherein, The first fire protection component (30A) further includes a fire protection host, which is installed in the electrical compartment (1001) and is connected to the smoke sensor (301A) and the temperature sensor (302).

14. The energy storage integrated device according to claim 11, wherein, The fire protection device is an aerosol fire extinguisher, and the temperature sensing element is a thermal wire.

15. The energy storage integration device according to claim 11, wherein, The energy storage integration cabinet (200) includes a first chamber (111), a second chamber (112) and a third chamber (113) arranged at intervals along a first direction; An AC and control component (20), located in the first chamber (111); A DC power distribution component (30), located in the second chamber (112); and A cable component (40), located in the third chamber (113); Wherein, the cable component (40) includes a plurality of connection rows (403), and the plurality of connection rows (403) are respectively connected to the DC power distribution component (30).

16. The energy storage integrated device according to claim 15, wherein, The energy storage integration cabinet (200) includes a first partition board (12) and a second partition board (13) arranged at intervals along the first direction, and the first partition board (12) and the second partition board (13) divide the energy storage integration cabinet (200) into the first chamber (111), the second chamber (112) and the third chamber (113), wherein, the second partition board (13) is provided with a communication groove along the first direction, and the communication groove respectively communicates the second chamber (112) and the third chamber (113).

17. The energy storage integrated device according to claim 16, wherein, The second fire protection component (40A) includes a first sub-fire protection component (401A) and a second sub-fire protection component (402A), the first sub-fire protection component (401A) is installed in the first chamber (111), and the second sub-fire protection component (402A) is installed in the second chamber (112) and / or the third chamber (113).

18. The energy storage integrated device according to claim 17, wherein, Both the first sub-fire protection component (401A) and the second sub-fire protection component (402A) include the fire protection device and the temperature sensing element.

19. The energy storage integrated device according to claim 13 further comprises: A battery management system, including a main control board (203) of the battery management system and a slave control board of the battery management system that are connected to each other. The main control board (203) of the battery management system is arranged inside the energy storage integrated cabinet (200), and the slave control board of the battery management system is arranged inside the electrical compartment (1001) and connected to the fire control host.

20. The energy storage integrated device according to claim 11, wherein, The integrated compartment (10A) further comprises a battery compartment (1002). A plurality of battery racks (501) are arranged in an array in the battery compartment (1002). Battery clusters are arranged on the battery racks (501), and the battery clusters are connected to the energy storage integrated cabinet (200).

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