Energy Storage Integration Device

Abstract

The present application provides an energy storage integration device, the energy storage integration device including an integrated cabin and an energy storage integration cabinet, the integrated cabin including an electrical room, the energy storage integration cabinet being located in the electrical room, the energy storage integration cabinet including one cabinet body, the cabinet body including a first chamber, a second chamber and a third chamber spaced apart along a first direction, the energy storage integration cabinet further including an AC / control unit, a DC distribution unit and a cable unit, the AC / control unit being located in the first chamber.

Description

[Technical Field]

[0001] This application claims priority from a Chinese application filed with the China Patent Office on December 26, 2023, bearing application number 202323591657.3, and a Chinese application bearing application number 202323569837.1, the contents of which are incorporated herein by reference.

[0002] This application relates to the field of battery technology, and more particularly to integrated energy storage devices. [Background technology]

[0003] With the continuous development of the electrochemical energy storage industry, the requirements for area energy density in energy storage stations are becoming higher and higher. In response, battery prefabricated cabin-type battery energy storage systems have appeared on the market. At present, in battery prefabricated cabins, the system's power distribution is made into a separate distribution box and installed on the wall of the electrical room, and the DC system is made into a separate current collection cabinet and installed on the floor of the electrical room in the battery prefabricated cabin. Summary of the Invention [Problem to be solved by the invention]

[0004] However, in this installation method, the distribution box and the current collecting cabinet occupy most of the space in the electrical room, resulting in low space utilization rate of the electrical room, complicated wiring, and difficult maintenance. [Means for solving the problem]

[0005] According to a first aspect, the present application provides an integrated energy storage device, the integrated energy storage device comprising: an integrated cabin with an electrical room; an energy storage integrated cabinet provided in the electrical room, the energy storage integrated cabinet including one cabinet body having a first chamber, a second chamber, and a third chamber spaced apart along a first direction; The energy storage integrated cabinet further comprises an AC and control unit located within the first chamber, a DC power distribution unit located within the second chamber, and a cabling unit located within the third chamber. [Effects of the Invention]

[0006] The integrated energy storage device according to the present application has at least the following beneficial effects: The integrated energy storage cabinet comprises an AC / control unit, a DC power distribution unit, and a cable unit, with the AC / control unit located in the first chamber, the DC power distribution unit located in the second chamber, and the cable unit located in the third chamber. Because the AC / control unit, DC power distribution unit, and cable unit are integrated into the integrated energy storage cabinet, the space utilization rate of the electrical room is improved and inspection and maintenance by maintenance workers is facilitated. [Brief explanation of the drawings]

[0007] [Figure 1] 1 is a structural schematic diagram of an integrated energy storage device according to an embodiment of the present application; [Figure 2A] 1 is a structural schematic diagram of an energy storage integrated cabinet according to an embodiment of the present application; FIG. [Figure 2B] 1 is a structural schematic diagram of an energy storage integrated cabinet according to an embodiment of the present application; FIG. [Figure 3] FIG. 4 is a partial schematic view of a third chamber according to an embodiment of the present application. [Figure 4] 1 is a diagram illustrating the electrical principle of an AC control unit according to an embodiment of the present invention. [Figure 5] 1 is a diagram illustrating the electrical principle of a DC power distribution unit according to an embodiment of the present application. [Figure 6] 1 is a structural schematic diagram of an integrated energy storage device according to an embodiment of the present application; [Figure 7] 1 is a structural schematic diagram of an energy storage integrated cabinet according to an embodiment of the present application; FIG. [Figure 8] FIG. 2 is another structural schematic diagram of an energy storage integrated cabinet according to an embodiment of the present application. [Figure 9] 1 is a flowchart of a safety system of an integrated energy storage device according to an embodiment of the present application. [Figure 10] 1 is a flowchart of a safety system of an integrated energy storage device according to an embodiment of the present application. [Figure 11] 1 is a flowchart of a safety system of an integrated energy storage device according to an embodiment of the present application. DETAILED DESCRIPTION OF THE INVENTION

[0008] In the description of this application, unless otherwise clearly specified or limited, the terms "connected," "coupled," and "fixed" should be understood in a broad sense, and may refer to, for example, a fixed connection, a detachable connection, or an integrated connection, a mechanical connection, an electrical connection, a direct connection, an indirect connection via an intermediate medium, or an internal communication between two components or an interaction between them. Those skilled in the art can understand the specific meaning of the above terms in this application according to specific circumstances.

[0009] In this application, unless otherwise clearly specified or limited, a first feature being "above" or "below" a second feature may include direct contact between the first and second features, or contact between the first and second features via another feature between them. Furthermore, a first feature being "above," "above," and "on the upper surface" of a second feature includes the first feature being directly above and diagonally above the second feature, where the horizontal height of the first feature is higher than that of the second feature. A first feature being "below," "below," and "on the lower surface" of a second feature includes the first feature being directly below and diagonally below the second feature, where the horizontal height of the first feature is lower than that of the second feature.

[0010] In the description of the present embodiment, terms of orientation or positional relationship such as "upper," "lower," "left," "right," "front," and "rear" are based on the orientation or positional relationship shown in the drawings and are used for convenience of explanation and simplification of operation, and do not indicate or imply that a specified device or component must have a specific orientation or be configured and operated in a specific orientation, and therefore should not be understood as limiting the present application. In addition, the terms "first" and "second" are used to distinguish between them in the description and do not have any special meaning.

[0011] According to a first aspect, the present application provides an integrated energy storage device 100.

[0012] 1, 2A, and 2B, the energy storage integration device 100 includes an electrical room 1001 and an energy storage integration cabinet 200 provided in the electrical room 1001.

[0013] The energy storage integrated cabinet 200 includes one 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.

[0014] The energy storage integrated cabinet 200 further includes an AC / control unit 20, a DC power distribution unit 30, and a cable unit 40, where the AC / control unit 20 is located in the first chamber 111, the DC power distribution unit 30 is located in the second chamber 112, and the cable unit 40 is located in the third chamber 113.

[0015] The cabinet body 10 includes a plurality of chambers 11 arranged side by side in the first direction Z. The number of the chambers 11 is, for example, three, and the three chambers 11 are a first chamber 111, a second chamber 112, and a third chamber 113. The AC / control unit 20, the DC power distribution unit 30, and the cable unit 40 are all provided within the cabinet body 10. In contrast to the related art in which the current collection cabinet and the distribution box are each arranged as separate cabinets and provided within the electrical room, the integrated energy storage cabinet 200 according to one embodiment of the present application integrates the AC / control unit 20, the DC power distribution unit 30, and the cable unit 40 within one cabinet body 10, thereby improving the space utilization rate of the electrical room 1001. In addition, if the energy storage integrated cabinet 200 breaks down, an inspector can easily inspect the AC / control unit 20, the DC distribution unit 30, and the cable unit 40 at the same time. Therefore, the design of the energy storage integrated cabinet 200 not only improves the space utilization rate of the electrical room 1001, but also improves inspection efficiency and saves labor costs, manufacturing costs, and maintenance costs.

[0016] In one embodiment of the present application, the cabinet body 10 includes a first partition plate 12 and a second partition plate 13 spaced apart along a first direction Z, and the first partition plate 12 and the second partition plate 13 divide the cabinet body 10 into a first chamber 111, a second chamber 112, and a third chamber 113.

[0017] The first partition plate 12 and the second partition plate 13 may be, for example, relatively parallel to each other or relatively inclined to each other, depending on the actual application. In one embodiment of the present application, the first partition plate 12 and the second partition plate 13 are, for example, relatively parallel to the top surface of the cabinet body 10 and relatively perpendicular to the side walls of the cabinet body 10, thereby dividing the cabinet body 10 into a first chamber 111, a second chamber 112, and a third chamber 113, respectively, so that the AC / control unit 20, the DC power distribution unit 30, and the cable unit 40 can be installed in the first chamber 111, the second chamber 112, and the third chamber 113, respectively.

[0018] In one embodiment of the present application, the second partition plate 13 is provided with communication grooves (not shown) along the first direction Z, and the communication grooves communicate with the second chamber 112 and the third chamber 113, respectively.

[0019] Here, the communication groove penetrates the second partition plate 13 along the first direction Z, and the second chamber 112 and the third chamber 113 are in communication with each other via the communication groove. This communication groove is configured to allow the connection bus 403 or signal lines (specifically, described later) in the cable unit 40 to pass through, and the connection bus 403 or signal lines are connected to the DC isolation switch 301 or the battery management system main control board 203 via the communication groove, which unifies the wiring path and makes it easier to arrange the wiring.

[0020] One end of the plurality of connection buses 403 can be electrically connected to the DC power distribution unit 30 through the communication groove.

[0021] The energy storage integrated device 100 further includes a battery compartment 1002 adjacent to the electrical compartment 1001, in which a plurality of battery clusters are arranged in an array. The battery clusters are connected to a DC isolation switch 301 to supply power to the DC power distribution unit 30.

[0022] Referring to FIG. 2B, the cabinet body 10 further includes a cabinet door 14 configured to open and close the cabinet body 10 to facilitate inspection by maintenance personnel.

[0023] The cabinet body 10 is provided with status indicator lights 16 configured to indicate the internal status of the energy storage integrated cabinet 200. The status indicator lights 16 include a red light and a green light, and when the status indicator light 16 displays a green light, it indicates that the internal circuits and safety status of the energy storage integrated cabinet 200 are good, and when the status indicator light 16 displays a red light, it indicates that there is a potential risk to the internal circuits or safety of the energy storage integrated cabinet 200 and that inspection is required. Based on the status indicator lights 16, workers can determine whether the energy storage integrated cabinet 200 is safe or whether there is a potential risk to the circuits.

[0024] The cabinet body 10 is further provided with operation buttons 17, which include an ON button and an OFF button, both of which are connected to the DC isolation switch 301, the ON button being configured to be connected to the DC isolation switch 301, and the OFF button being configured to turn off the DC isolation switch 301, i.e., to disconnect the connection between the DC isolation switch 301 and the battery cluster.

[0025] The cabinet body 10 is further provided with a display screen 18 configured to display the internal status of the energy storage integrated cabinet 200 .

[0026] The cabinet body 10 is further provided with an emergency stop button 19, which can be activated to stop the operation of the energy storage integrated cabinet 200 in the event of a fire accident or an emergency shutdown. The cabinet body 10 not only includes the above components but also is based on actual applications.

[0027] The cabinet body 10 is provided with a plurality of exhaust holes 15. The plurality of exhaust holes 15 are arranged in an array in the cabinet body 10, and the exhaust holes 15 penetrate the side wall of the cabinet body 10 to respectively connect the outside air with the first chamber 111 and the third chamber 113 of the integrated energy storage cabinet 200, thereby dissipating heat and ventilating the integrated energy storage cabinet 200.

[0028] In one embodiment of the present application, the cable unit 40 includes a plurality of connection buses 403, the DC power distribution unit 30 includes a DC isolation switch 301, and the plurality of connection buses 403 communicate with the DC isolation switch 301 respectively.

[0029] The DC isolation switch 301 is located in the second chamber 112 and is connected to a plurality of connection buses 403, the ends of which are remote from the DC isolation switch 301 are connected to a power source, for example, a battery cluster in a battery compartment, and the ends of the plurality of connection buses 403 remote from the DC isolation switch 301 may be further connected to an external converter (Power Conversion System, PCS). That is, the connection bus 403 may include a first sub-connection bus 404 and a second sub-connection bus 405, the ends of the first sub-connection bus 404 are respectively connected to the DC isolation switch 301 and the battery cluster, and the ends of the second sub-connection bus 405 are respectively connected to a converter.

[0030] 2A and 3, in one embodiment of the present application, the cable unit 40 includes a plurality of cable groups 406, one end of each of which is connected to the connection bus 403 and the other end of which is connected to the battery cluster and / or the converter.

[0031] Each cable group 406 includes a plurality of cables 407, and an insulating protective layer is provided on the surface of the cables 407, which separates the plurality of cables 407 from one another. The cables 407 are provided on opposite sides of the third chamber 113, realizing separation of high voltage and low voltage and reducing electromagnetic interference.

[0032] Each bus bar may be provided with a set of cable groups 406, the first sub-connection bus 404 being directly connected to the DC isolation switch 301, one end of the cable group 406 being connected to the first sub-connection bus 404 and the other end being connected to the battery cluster through the bottom of the cabinet body 10, the second sub-connection bus 405 being directly connected to the DC isolation switch 301, one end of the cable group 406 being connected to the second sub-connection bus 405 and the other end being connected to the converter (not shown) through the bottom of the cabinet body 10, but the number of cable groups 406 provided on the connection bus 403 is not limited to one set and may be appropriately increased according to actual conditions, with actual applications as the basis.

[0033] The third chamber 113 is further provided with a second surge protection device 401, a fuse 402, and a ground bus. The first chamber 111 includes a battery management system main control board 203, and the cable unit 40 further includes a signal line. The second surge protection device 401 is connected to the battery management system main control board 203 via the signal line to protect the DC power distribution unit 30 from lightning surges. The fuse 402 functions as backup protection for the second surge protection device 401 and provides protection by melting in the event of a failure or internal short circuit of the second surge protection device 401. The ground bus provides grounding protection for the energy storage integrated cabinet 200.

[0034] In one embodiment of the present application, the connection bus 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, and a separator 408 is further provided within the third chamber 113, the separator 408 being provided between the positive bus bar 403a and the negative bus bar 403b and configured to separate the positive bus bar 403a and the negative bus bar 403b.

[0035] The first sub-connection bus 404 and the second sub-connection bus 405 each include a positive bus bar 403a and a negative bus bar 403b, with the positive bus bar 403a of the first sub-connection bus 404 and the second sub-connection bus 405 located on one side of the third chamber 113 and the negative bus bar 403b of the first sub-connection bus 404 and the second sub-connection bus 405 located on the other side of the third chamber 113, i.e., the positive bus bar 403a and the negative bus bar 403b of the first sub-connection bus 404 and the second sub-connection bus 405 are arranged opposite each other. The positive bus bar 403a and the negative bus bar 403b of the first sub-connection bus 404 are connected to the DC isolation switch 301 and the battery cluster, respectively, and the positive bus bar 403a and the negative bus bar 403b of the second sub-connection bus 405 are connected to the DC isolation switch 301 and the converter, respectively.

[0036] The positive bus bar 403a of the first sub-connection bus 404 is the B+ connection bus of the battery cluster, the negative bus bar 403b of the first sub-connection bus 404 is the B- connection bus of the battery cluster, the positive bus bar 403a of the second sub-connection bus 405 is the P+ connection bus of the converter, and the negative bus bar 403b of the second sub-connection bus 405 is the P- connection bus of the converter.

[0037] There is a gap between positive bus bar 403a and negative bus bar 403b, and separator 408 is positioned in the gap, i.e., separator 408 is positioned between positive bus bar 403a and negative bus bar 403b to prevent a short circuit between positive bus bar 403a and negative bus bar 403b within the cabinet. The number of separators 408 is not limited in the present application, and may be any number as long as it is effective in preventing a short circuit between positive bus bar 403a and negative bus bar 403b within the cabinet.

[0038] The cable unit 40 further includes an insulating pole 409, and the sides of the positive bus bar 403a and the negative bus bar 403b away from the cabinet door 14 are connected to the insulating pole 409, which is configured to fix the positive bus bar 403a and the negative bus bar 403b within the third chamber 113, and the insulating pole 409 plays an insulating role to prevent a short circuit between the cabinet body 10 and the positive bus bar 403a and the negative bus bar 403b.

[0039] Referring to FIG. 2A, in one embodiment of the present application, the AC control unit 20 includes an AC input circuit breaker 201 and a plurality of branch circuit breakers 202, and the AC input circuit breaker 201 is connected to the plurality of branch circuit breakers 202 respectively.

[0040] Here, the AC current is the power supply of the AC control unit 20, and the AC power source may be, for example, a commercial power source. The commercial power source supplies power to the AC input circuit breaker 201 and is connected to the AC input circuit breaker 201 via a cable. The AC input circuit breaker 201 controls the on and off of the commercial power source. The commercial current is input to the AC input circuit breaker 201 and flows to the load equipment via multiple branch circuit breakers 202, supplying power to the load equipment.

[0041] The number of branch circuit breakers 202 may be nine, where a plurality of load devices are located within the integrated energy storage device 100 and are respectively connected to the branch circuit breakers 202, including a liquid cooling unit, a dehumidifier, a fire fan, a fire host, a lighting fixture, and an inspection socket. One of the branch circuit breakers 202 is also connected to an uninterruptible power supply (UPS) 204, which is connected to other loads. The power from the utility power source is stabilized by the UPS 204 and then supplied to the other loads. The branch circuit breaker 202 is further provided with a backup branch circuit, which is configured to back up if another branch circuit breaker 202 fails.

[0042] The AC control unit 20 is provided with a first surge protection device 206 to protect against lightning surges. The first surge protection device 206 is connected to one branch circuit breaker 202 and is also connected to the battery management system main control board 203 by a signal line.

[0043] The height of the energy storage integrated cabinet 200 is, for example, 2300 mm, and the height of the AC input circuit breaker 201 is 1400 mm, but is not limited to these, and this height is convenient for inspection by maintenance workers and does not require the use of a ladder.

[0044] In one embodiment of the present application, the AC control unit 20 includes a battery management system main control board 203, which is connected to an AC input breaker 201 and a plurality of branch circuit breakers 202, respectively.

[0045] The battery management system includes a battery management system main control board 203 and a battery management system sub-control board, the battery management system main control board 203 is located in the first chamber 111, and the battery management system sub-control board is located in the energy storage integrated device 100. The battery management system main control board 203 is connected to the battery management system sub-control board, and is configured to receive signals from the battery management system sub-control board, collect signals such as current, voltage, and temperature of the battery clusters in the energy storage integrated device 100, collect signals from load devices (e.g., liquid cooling units, fire fans, and fire hosts) to monitor the operating status of each device, collect signals from the first surge protection device 206 and the second surge protection device 401, and perform protective operations when an abnormality or failure occurs.

[0046] In one embodiment of the present application, the AC control unit 20 further includes an uninterruptible power supply 204 and a backup power supply 205 connected to the uninterruptible power supply 204, where the uninterruptible power supply 204 is connected to the branch circuit breaker 202 and the DC isolation switch 301, respectively.

[0047] Among them, one branch circuit breaker 202 is connected to an uninterruptible power supply (UPS) 204, and other loads are further connected to the branch circuit of the UPS 204. Power from the commercial power supply flows to the UPS 204 via the branch circuit breaker 202, stabilizes the voltage, and supplies it to the other loads. The other loads include, for example, a high-pressure tank, blinds, sensors, and a debug socket. The UPS 204 is also connected to a DC isolation switch 301 to turn the DC isolation switch 301 on or off. The UPS 204 also has one spare branch circuit.

[0048] 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 commercial power supply fails, the backup power supply 205 supplies power to the uninterruptible power supply 204 to ensure uninterruptible operation of the main control board 203 of the battery management system, the sub-control board of the battery management system, or the DC power distribution unit 30, monitors and protects the system, and maintains the stability and safety of the system.

[0049] A debug socket and a current transformer 207 are further provided in the first chamber 111. The debug socket is connected to the uninterruptible power supply 204 and provides a connection terminal for connecting a power source to devices such as a computer during on-site debugging. The current transformer 207 collects the amount of power used by the AC / control unit 20 to measure electricity charges and energy consumption.

[0050] In one embodiment of the present application, a cable hole (not shown) is provided on the side of the cabinet body 10 away from the first chamber 111, and one end of the cable group 406 passes through the cable hole to connect to the battery cluster and / or converter. Wiring for the external battery system, fire protection system, temperature control system, lighting system, converter, EMS, and other control systems are all introduced through the cable hole, which unifies the wiring and facilitates inspection and maintenance. A mounting base is further provided on the bottom of the cabinet body 10 away from the first chamber 111 to facilitate installation of the cabinet body 10.

[0051] Wiring grooves (not shown) are provided on opposite sides of the cabinet body 10 to allow signal lines from the cable unit 40 to easily access the first chamber 111 and to allow other cables or signal lines connected to the AC / control unit 20 to easily access the first chamber 111. This facilitates maintenance and installation. Bus bar terminals are also provided within the first chamber 111.

[0052] 4, a commercial power source is connected to AC input circuit breaker 201 to supply power, and AC input circuit breaker 201 is connected to multiple branch circuit breakers 202 to control the on / off of the multiple branch circuit breakers 202. There are nine branch circuit breakers 202, which are connected to multiple load devices to form nine branch circuits. The load devices include a liquid cooling unit A, a dehumidifier B, a fire fan C, a fire host D, a lighting fixture E, and an inspection outlet F. Branch lines L1, L2, L3, L4, L5, and L6 are connected to liquid cooling unit A, dehumidifier B, fire fan C, fire host D, lighting fixture E, and inspection outlet F, respectively, to supply energy to the load devices. Branch line L7 is connected to uninterruptible power supply 204, branch line L8 is a standby line, and branch line L9 is connected to first surge protection device 206 in first chamber 111 to protect against lightning surges.

[0053] 4 and 5, the uninterruptible power supply 204 is connected to a plurality of loads, each of which includes a high-voltage box G, a blind H, a sensor I, and a debug 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. The branch lines L10, L11, L12, and L14 are connected to the high-voltage box G, the blind H, the sensor I, and the debug socket J, respectively. The branch line L13 is connected to a second surge protection device 401 located in the third chamber 113 to protect against lightning surges, and the branch line L15 is a backup line.

[0054] When the commercial power supply is normal, it supplies power to the load equipment via AC feeder breaker 201 and multiple branch circuit breakers 202. Among these, uninterruptible power supply 204 connected to branch circuit L7 stabilizes the voltage of the commercial power supply and supplies power to the load. However, if the commercial power supply is cut off, in order to maintain system stability, backup power supply 205 supplies power to uninterruptible power supply 204, which then supplies power to the load. In one embodiment, backup power supply 205 can supply power for 30 minutes and also reserves energy for opening and closing DC isolation switch 301, ensuring the safety of integrated energy storage cabinet 200.

[0055] The DC isolation switch 301 is connected to the battery cluster and configured to disconnect or establish a connection with the battery cluster. A second surge protection device 401 is provided in the third chamber 113 and connected to the DC isolation switch 301 via a connection bus 403 to provide protection against lightning surges. The DC isolation switch 301 is connected to the converter via P+ and P- of a second sub-connection bus 405.

[0056] The positive bus bar 403a of the first sub-connection bus 404 is the B+ connection bus of the battery cluster, the negative bus bar 403b of the first sub-connection bus 404 is the B- connection bus of the battery cluster, the positive bus bar 403a of the second sub-connection bus 405 is the P+ connection bus of the converter, and the negative bus bar 403b of the second sub-connection bus 405 is the P- connection bus of the converter.

[0057] The integrated energy storage device 100 according to the present application includes at least the following working process or principle. The integrated energy storage device 100 includes an integrated cabin 10A including an electrical room 1001, and an integrated energy storage cabinet 200 installed in the electrical room 1001. The integrated energy storage cabinet 200 includes a cabinet body 10 including a first chamber 111, a second chamber 112, and a third chamber 113 spaced apart along a first direction Z. The integrated energy storage cabinet 200 further includes an AC / control unit 20, a DC power distribution unit 30, and a cable unit 40, where the AC / control unit 20 is located in the first chamber 111, the DC power distribution unit 30 is located in the second chamber 112, and the cable unit 40 is located in the third chamber 113. By having the chambers of the DC power distribution unit 30 and the cable unit 40 communicate with each other, the connection bus 403 or signal line of the cable unit 40 can be connected to the DC isolation switch 301 of the DC power distribution unit 30. By integrating the AC / control unit 20, the DC power distribution unit 30, and the cable unit 40 into the energy storage integrated cabinet 200, the space utilization rate of the electrical room 1002 can be improved. If a failure occurs in any of the AC / control unit 20, the DC power distribution unit 30, and the cable unit 40, maintenance can be performed simply by opening the energy storage integrated cabinet 200, facilitating inspection and maintenance by maintenance workers.

[0058] 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-fighting unit 30A, and a second fire-fighting unit 40A, wherein the integrated cabin 10A includes an electrical room 1001, the energy storage integrated cabinet 200 is installed in the electrical room 1001, the first fire-fighting unit 30A is provided in the electrical room 1001, and the second fire-fighting unit 40A is provided in the energy storage integrated cabinet 200, and the second fire-fighting unit 40A includes a fire-fighting equipment and a temperature detection element (not shown), wherein the fire-fighting equipment is installed in the energy storage cabinet 200 in communication with the temperature detection element, and the temperature detection element is configured to detect second temperature information of the energy storage integrated cabinet 200.

[0059] In order to simultaneously monitor the fire safety of the electrical room 1001 and the energy storage integrated cabinet 200, a first fire-fighting unit 30A and a second fire-fighting unit 40A are installed in the electrical room 1001 and the energy storage integrated cabinet 200, respectively. Referring to FIG. 8 , the energy storage integrated cabinet 200 integrates the AC / control unit 20, the DC power distribution unit 30, and the cable unit 40 into one cabinet body, and the second fire-fighting unit 40A can simultaneously monitor the fire safety of the AC / control unit 20, the DC power distribution unit 30, and the cable unit 40, providing omnidirectional and full-range coverage for the fire safety of the energy storage integrated apparatus 100. In the event of a fire, the fire can be detected and warned at an early stage, and the fire can be prevented from spreading, thereby ensuring the electrical safety of the energy storage integrated apparatus 100.

[0060] In one embodiment of the present application, the first firefighting unit 30A includes a smoke detection sensor 301A and a temperature detection sensor 302, and the smoke detection sensor 301A and the temperature detection sensor 302 are respectively installed in the electrical room 1001, the smoke detection sensor 301A is configured to detect smoke concentration information of the electrical room 1001, and the temperature detection sensor 302 is configured to detect first temperature information of the electrical room 1001.

[0061] The integrated energy storage 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 installed opposite each other, and a plurality of support beams 14A are provided between the first integrated board 12A and the second integrated board 13A to surround the first integrated board 12A and the second integrated board 13A, thereby forming an accommodation space. The accommodation space is divided into an electric chamber 1001 and a battery chamber 1002, and a smoke detection sensor 301A and a temperature detection sensor 302 are located in the electric chamber 1001. More specifically, the smoke detection sensor 301A and the temperature detection sensor 302 are provided on the first integrated board 12A in the electric chamber 1001. The smoke detection sensor 301A and the temperature detection sensor 302 are installed, for example, adjacent to each other on the first integrated board 12A, and are configured to detect smoke concentration information and first temperature information, respectively.

[0062] The smoke detector 301A is configured to detect smoke density information in the air and determine whether the smoke density information satisfies a first alarm trigger condition. The first alarm trigger condition is that the smoke density value is greater than 0.15%. The temperature detection sensor 302 is configured to detect first temperature information in the air and determine whether the first temperature information satisfies a second alarm trigger condition. The second alarm trigger condition is that the temperature value of the electrical room 1001 exceeds 70°C. When either the first alarm trigger condition or the second alarm trigger condition is triggered, the firefighting host issues an alarm signal and triggers safety measures.

[0063] In one embodiment of the present application, the fire-fighting device is an aerosol fire extinguisher, and the temperature-sensing element is a heat-sensing wire. The temperature-sensing element (i.e., the heat-sensing wire) is configured to detect second temperature information of the integrated energy storage cabinet 200. When the temperature value reaches 170°C to 180°C, the aerosol fire extinguisher is triggered to spray fire-extinguishing agent into the integrated energy storage cabinet 200, uniformly filling the entire integrated energy storage cabinet 200 with the fire-extinguishing agent, thereby achieving the effects of cooling and extinguishing the fire. When the third alarm trigger condition is triggered, the fire-fighting host issues an alarm signal, and the battery management system activates corresponding safety measures to turn off the DC isolation switch 301 and the AC input circuit breaker 201.

[0064] The second firefighting unit 40A is configured to monitor and protect the fire safety of the integrated energy storage cabinet 200. Here, the temperature detection element is connected to a battery management system (BMS), and is configured to detect second temperature information of the integrated energy storage cabinet 200 and determine whether a third alarm trigger condition is met. The third alarm trigger condition is when the second temperature value in the integrated energy storage cabinet 200 reaches 170°C to 180°C to trigger the firefighting equipment. The battery management system receives the second temperature information or the status information of the firefighting equipment (on or off status information of the firefighting equipment) from the temperature detection element and determines whether to operate or stop the operation of the integrated energy storage cabinet 200 based on the first temperature information or the status information of the firefighting equipment.

[0065] In one embodiment, for example, an alarm controller may be provided in the energy storage integrated cabinet 200, and the temperature sensing element may be connected to the alarm controller, and the alarm controller may be connected to a fire prevention host, thereby realizing the alarm function, but this is not limited to this and should be based on actual applications.

[0066] When any of the first alarm trigger condition, the second alarm trigger condition and the third alarm trigger condition is triggered, the fire host can be triggered to issue an alarm signal and activate a corresponding safety measure, and the safety measure is to cut off the DC isolation switch 301 and the AC input circuit breaker 201.

[0067] 7 and 8, in one embodiment of the present application, the integrated energy storage cabinet 200 includes a first chamber 111, a second chamber 112, and a third chamber 113 spaced apart along a first direction Z, and the AC / control unit 20 is located in the first chamber 111, the DC distribution unit 30 is located in the second chamber 112, and the cable unit 40 is located in the third chamber 113.

[0068] Here, the cable unit 40 includes a plurality of connection buses 403, and the plurality of connection buses 403 are connected to the DC power distribution units 30, respectively.

[0069] The integrated energy storage cabinet 200 includes a plurality of chambers 11 spaced apart along the first direction Z, and the chambers 11 are spaced apart from one another, and each of the chambers 11 includes a first chamber 111, a second chamber 112, and a third chamber 113. The AC / control unit 20, the DC power distribution unit 30, and the cable unit 40 are integrated into a single cabinet body, which improves the space utilization rate of the electrical room 1001 and facilitates simultaneous fire monitoring of the AC / control unit 20, the DC power distribution unit 30, and the cable unit 40. The integrated energy storage cabinet 200 is provided with a cabinet door 14 that is configured to open and close the integrated energy storage cabinet 200, thereby facilitating inspection and maintenance by maintenance personnel.

[0070] The cabinet door 14 is provided with a cutoff switch and an on switch, which are connected to the DC isolation switch 301 and the battery management system, and are configured to cooperate with the battery management system to control the on / off of the DC isolation switch 301. This makes it possible to disconnect or connect the battery cluster and / or the converter (Power Conversion System, PCS), thereby reducing the risk of thermal runaway, isolating faults, and preventing the spread of fire.

[0071] The first chamber 111 and the third chamber 113 are each provided with a surge protection device, which is connected to the main control board to protect the energy storage integrated cabinet 200 from lightning surges.

[0072] A cable hole (not shown) is provided at the bottom of the energy storage integrated cabinet 200, away from the first chamber 111. The cable unit 40 further includes a plurality of cable groups 406, one end of which passes through the energy storage integrated cabinet 200 from one end of the cable hole to connect to the battery cluster and / or converter. A wiring groove (not shown) is further provided within the energy storage integrated cabinet 200. The cable unit 40 further includes signal lines which are connected to the surge protector and the main control board, respectively, and the wiring groove (not shown) is configured for wiring the signal lines or cables. The surge protector located in the third chamber 113 is connected to the main control board, and the signal lines are connected to the main control board, for example, through the wiring groove, to provide protection against lightning surges.

[0073] The AC control unit 20 includes an AC input circuit breaker 201 and a plurality of branch circuit breakers 202, the AC input circuit breaker 201 is connected to the plurality of branch circuit breakers 202, the plurality of branch circuit breakers 202 are respectively connected to different load devices, and the AC input circuit breaker 201 is connected to an AC current (e.g., a commercial power source) and supplies power to the different load devices via the plurality of branch circuit breakers 202.

[0074] The load equipment may include, for example, a liquid cooling unit, a dehumidifier, a fire fan, a fire alarm, or a lighting fixture. The load equipment may be located, for example, in the integrated cabin 10A. The AC control unit 20 provides auxiliary power to power the load equipment. After the second fire unit 40A provides the second temperature information or status information to the battery management system, the battery management system controls the AC input circuit breaker 201 to turn off, i.e., disconnecting the AC power (e.g., commercial power) and causing the load equipment to stop operating, thereby avoiding fire or other impacts on electrical safety, preventing the risk of electric shock during firefighting, and ensuring the safety of personnel.

[0075] The DC power distribution unit 30 includes a DC isolation switch 301, and the cable unit 40 includes a connection bus 403 and a plurality of cable groups 406, one end of which is connected to the DC isolation switch 301 and the other end of which is connected to the battery cluster and / or converter via the cable group 406.

[0076] The connection bus 403 includes a first sub-connection bus 404 and a second sub-connection bus 405. The first sub-connection bus 404 is connected to the battery cluster via a cable group 406. The second sub-connection bus 405 is connected to the converter via a cable group 406. The first sub-connection bus 404 and the second sub-connection bus 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. The positive bus bar 403a and the negative bus bar 403b are further provided with separators 408 to prevent short circuits 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 isolation switch 301 and the multiple cable groups 406. The cable unit 40 further includes an insulating pillar 409, which is located on the side of the positive bus bar 403a and the negative bus bar 403b away from the cabinet door 14 and is configured to provide an insulating effect when the positive bus bar 403a and the negative bus bar 403b are connected to the third chamber 113.

[0077] The DC isolation switch 301 is connected to the battery management system, and when the first firefighting unit 30A or the second firefighting unit 40A provides the second temperature information or status information to the battery management system, the battery management system can control the DC isolation switch 301 to turn off, thereby cutting off the connection with the battery cluster and / or converter, and avoiding fire or other impacts to electrical safety.

[0078] In one embodiment of the present application, the energy storage integrated cabinet 200 includes a first partition plate 12 and a second partition plate 13 spaced apart along a first direction Z, and the first partition plate 12 and the second partition plate 13 divide the energy storage integrated cabinet 200 into a first chamber 111, a second chamber 112, and a third chamber 113. Here, the second partition plate 13 is provided with a communication groove along the first direction, and the communication groove communicates with the second chamber 112 and the third chamber 113, respectively.

[0079] The first partition plate 12 and the second partition plate 13 are, for example, relatively parallel or relatively inclined. In some embodiments of the present application, the first partition plate 12 and the second partition plate 13 are, for example, relatively parallel to the top surface of the integrated energy storage cabinet 200 and relatively perpendicular to the side wall of the integrated energy storage cabinet 200. The first partition plate 12 and the second partition plate 13 divide the integrated energy storage cabinet 200 into a first chamber 111, a second chamber 112, and a third chamber 113, and the AC / control unit 20, the DC power distribution unit 30, and the cable unit 40 can be installed in the first chamber 111, the second chamber 112, and the third chamber 113, respectively.

[0080] The second partition plate 13 is provided with a communication groove, for example, along the first direction Z, for wiring the connection buses 403 or signal lines. The communication groove connects the second chamber 112 and the third chamber 113, unifies the wiring path, and facilitates monitoring and arrangement of the wiring. For example, one end of the plurality of connection buses 403 can be electrically connected to the DC power distribution unit 30 through the communication groove.

[0081] In one embodiment of the present application, the second firefighting unit 40A includes a first sub-firefighting unit 401A and a second sub-firefighting unit 402A, where the first sub-firefighting unit 401A is mounted in the first chamber 111 and the second sub-firefighting unit 402A is mounted in the second chamber 112 and / or the third chamber 113.

[0082] The integrated energy storage cabinet 200 has two fire-fighting devices, a first sub-fire-fighting unit 401A and a second sub-fire-fighting unit 402A. The first sub-fire-fighting unit 401A is installed in the first chamber 111 and is configured to monitor and protect the fire safety of the AC / control unit 20. The second sub-fire-fighting unit 402A is installed in the second chamber 112 or the third chamber 113. A communication groove is provided in the second partition plate 13, so that the second chamber 112 and the third chamber 113 are connected to each other. Therefore, the second chamber 112 and the third chamber 113 can share a single fire-fighting facility, i.e., the second sub-fire-fighting unit 402A. However, the number of fire-fighting devices in the integrated energy storage cabinet 200 is not limited to two, and fire-fighting devices can be installed in any of the first chamber 111, the second chamber 112, and the third chamber 113, depending on the actual application.

[0083] The second fire-fighting unit 40A includes a first sub-fire-fighting unit 401A and a second sub-fire-fighting unit 402A, and the second temperature information of the second fire-fighting unit 40A can include first sub-temperature information and second sub-temperature information, and both the first sub-temperature information and the second sub-temperature information can trigger a third alarm trigger condition so that the battery management system can cut off and control the DC isolation switch 301 and the AC input circuit breaker 201.

[0084] In one embodiment of the present application, the first sub-fire fighting unit 401A and the second sub-fire fighting unit 402A both include fire fighting equipment and temperature detecting members.

[0085] In one embodiment of the present application, the energy storage integrated device 100 further includes a battery management system having a battery management system main control board 203 and a battery management system sub-control board connected to each other, where the battery management system main control board is installed in the energy storage integrated cabinet 200, the battery management system sub-control board is installed in the electrical room 1001 and connected to the fire protection host, and the battery management system sub-control board is configured to collect temperature information or status information of the fire protection host.

[0086] The battery management system main control board 203 is configured to collect signals from the battery management system sub-control boards and provide signal collection control, which includes, for example, collecting information on the current, voltage, temperature and load equipment of the battery (battery cluster), monitoring the operating status of equipment such as the load equipment or battery, and performing protective operations in response to abnormalities or failures.

[0087] The AC input circuit breaker 201 and the DC isolation switch 301 are respectively connected to the battery management system, and the safety measure is that, for example, when any of the first alarm trigger condition, the second alarm trigger condition, and the third alarm trigger condition is triggered, the fire protection host issues an alarm and transmits it to the battery management system, and the battery management system issues a signal to control the AC input circuit breaker 201 and the DC isolation switch 301 to shut off, and the energy storage integrated cabinet 200 stops operating.

[0088] In one embodiment of the present application, the integrated cabin 10A further includes a battery compartment 1002, in which a plurality of battery holders 501 are arranged in an array, and the battery holders 501 are provided with battery clusters connected to the energy storage integrated cabinet 200.

[0089] Referring to FIG. 9, according to a second aspect, the present application provides a safety system for an integrated energy storage device 100, comprising the integrated energy storage device 100 and a processor that executes the following steps:

[0090] In step S1, detection information including smoke density information and first temperature information of the electrical room 1001 and second temperature information of the energy storage integrated cabinet 200 is obtained.

[0091] In step S2, determine whether any one of the smoke density information, the first temperature information, and the second temperature information meets the corresponding trigger condition, and if so, send an alarm signal to the battery management system to control the battery management system to stop operation of the energy storage integrated cabinet 200.

[0092] Referring to FIG. 10, step S1 further includes steps S11 to S13.

[0093] In step S11, the smoke detection sensor 301A acquires smoke density information in the electrical room 1001.

[0094] In step S12, the temperature detection sensor 302 acquires first temperature information of the electric room 1001.

[0095] In step S13, the temperature sensing element acquires second temperature information of the energy storage integrated cabinet 200.

[0096] In step S2, the trigger conditions include a first alarm trigger condition, a second alarm trigger condition, and a third alarm trigger condition, where the first alarm trigger condition is that the smoke density value is greater than 0.15%, the second alarm trigger condition is that the temperature value in the electrical room 1001 is greater than 70°C, and the third alarm trigger condition is that the temperature value in the energy storage integrated cabinet 200 reaches 170°C to 180°C to trigger firefighting equipment.

[0097] 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.

[0098] Referring to FIG. 11, step S2 further includes step S21.

[0099] In step S21, the detection information is compared with the trigger condition, and depending on whether any one of the smoke density information, the first temperature information, and the second temperature information satisfies the corresponding trigger condition, the battery management system controls the DC isolation switch 301 and the AC input circuit breaker 201 to be cut off.

[0100] It is understood that the first firefighting unit 30A or the second firefighting unit 40A can decide to shut down the operation of the integrated energy storage device 100. The first firefighting unit 30A and the second firefighting unit 40A can decide to shut down the operation of the integrated energy storage device 100, and both the first sub-firefighting unit 401A and the second sub-firefighting unit 402A can decide to shut down the operation of the integrated energy storage device 100.

[0101] The energy storage integrated device 100 according to the present application at least includes the following working process or principle: the energy storage integrated device 100 includes an integrated cabin 10A, an energy storage integrated cabinet 200, a first fire fighting unit 30A and a second fire fighting unit 40A, the integrated cabin 10A includes an electrical room 1001, the energy storage integrated cabinet 200 is installed in the electrical room 1001, the first fire fighting unit 30A is provided in the electrical room 1001, and the second fire fighting unit 40A is provided in the energy storage integrated cabinet 200. The first fire protection unit 30A and the second fire protection unit 40A perform fire protection monitoring of the electrical room 1001 and the integrated energy storage cabinet body 100, respectively. When a predetermined condition is met, the battery management system controls the AC input circuit breaker 201 and the DC isolation switch 301 to turn off, thereby controlling the AC input circuit breaker 201 and the DC isolation switch 301 to disconnect from the load equipment or the battery cluster and the converter, thereby providing omnidirectional and full-range fire protection for the integrated energy storage device 100, protecting the electrical system of the entire integrated energy storage device 100, and preventing the spread of fire. Furthermore, the AC / control unit 20, the DC distribution unit 30, and the cable unit 40 are integrated into a single cabinet body, significantly improving the space utilization rate of the battery room 1002. Furthermore, the second fire protection unit 40A performs fire protection monitoring of the AC / control unit 20, the DC distribution unit 30, and the cable unit 40, providing omnidirectional and full-range fire protection, improving maintenance efficiency, and reducing construction and maintenance costs. [Explanation of symbols]

[0102] 100 Energy storage integration device 1001 Electrical Room 1002 Battery compartment 200 Energy Storage Integrated Cabinet 10 Cabinet body 11 Chamber 111 Chamber 1 112 Second Chamber 113 Third Chamber 12 First partition 13 Second partition 14 Cabinet Doors 15 Exhaust vent 16 Status indicator light 17 Operation buttons 18 Display screen 19 Emergency stop button 20 AC control unit 201 AC input circuit breaker 202 Branch Circuit Breaker 203 Battery management system main control board 204 Uninterruptible power supply 205 Backup Power Supply 206 First surge protection device 207 Current Transformer 30 DC power distribution unit 301 DC isolation switch 40 Cable Unit 401 Secondary surge protection device 402 Fuse 403 Connection Bus 403a Positive Busbar 403b Negative busbar 404 1st sub-connection bus 405 Second sub-connection bus 406 Cable Group 407 Cable 408 Separation plate 409 Insulating Pillar 10A Integrated Cabin 12A 1st Integrated Board 13A 2nd Integrated Board 14A Support beam 30A No. 1 Firefighting Unit 301A Smoke Detector Sensor 302 Temperature detection sensor 5040A No. 2 Firefighting Unit 401A 1st Sub-Fire Unit 402A Second Sub-Fire Unit 501 Battery Holder

Claims

1. 1. An integrated energy storage device, comprising: an integrated cabin (10A) with an electrical room (1001); An energy storage integrated cabinet (200) provided in an electrical room (1001) and including one cabinet body (10) having a first chamber (111), a second chamber (112), and a third chamber (113) spaced apart along a first direction; Equipped with The energy storage integration cabinet (200) further comprises an AC and control unit (20) located in the first chamber (111), a DC distribution unit (30) located in the second chamber (112), and a cable unit (40) located in the third chamber (113).

2. 2. The energy storage integrated device of claim 1, wherein the cabinet body (10) comprises a first partition plate (12) and a second partition plate (13) spaced apart along the first direction, the first partition plate (12) and the second partition plate (13) dividing the cabinet body (10) into the first chamber (111), the second chamber (112), and a third chamber (113).

3. 3. The energy storage integrated device according to claim 2, wherein the second partition plate (13) has a communicating groove along the first direction, the communicating groove communicating with the second chamber (112) and the third chamber (113), respectively.

4. The cable unit (40) includes a plurality of connection buses (403); 4. The energy storage and integration device according to claim 3, wherein the DC power distribution unit (30) includes a DC isolation switch (301), and each of the plurality of connection buses (403) communicates with the DC isolation switch (301).

5. 5. The energy storage integration device of claim 4, wherein the cable unit (40) includes a plurality of cable groups (406), each of which is connected at one end to the plurality of connection buses (403) and at the other end to a battery cluster and / or a converter.

6. The connection bus (403) includes a positive bus bar (403a) and a negative bus bar (403b) located on opposite sides of the third chamber (113), respectively; 5. The energy storage integrated device of claim 4, wherein a separator (408) is provided in the third chamber (113), and the separator (408) is provided between the positive bus bar (403a) and the negative bus bar (403b).

7. 5. The energy storage integration device of claim 4, wherein the AC / control unit (20) includes an AC input breaker (201) and a plurality of branch circuit breakers (202), and the AC input breaker (201) is in communication with each of the plurality of branch circuit breakers (202).

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

9. 9. The energy storage and integration device of claim 8, wherein the AC and control unit (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.

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

11. A first fire fighting unit (30A) provided in the electrical room (1001); a second fire-fighting unit (40A) provided within the energy storage integrated cabinet (200), the second fire-fighting unit (40A) including a fire-fighting device and a temperature detection element, the fire-fighting device being in communication with the temperature detection element and being mounted within the energy storage integrated cabinet (200), the temperature detection element being configured to detect second temperature information of the energy storage integrated cabinet (200); The integrated energy storage device according to any one of claims 1 to 10, further comprising:

12. The energy storage integration device of claim 11, wherein the first fire-fighting unit (30A) includes a smoke detection sensor (301A) and a temperature detection sensor (302) each mounted in the electrical room (1001), the smoke detection sensor (301A) configured to detect smoke concentration information in the electrical room (1001), and the temperature detection sensor (302) configured to detect first temperature information in the electrical room (1001).

13. The energy storage integration device of claim 12, wherein the first firefighting unit (30A) further includes a firefighting host mounted in the electrical room (1001) and connected to the smoke detection sensor (301A) and the temperature detection sensor (302).

14. 12. The energy storage integrated device of claim 11, wherein the firefighting equipment is an aerosol fire extinguisher and the temperature sensing member is a heat sensing wire.

15. The energy storage integrated cabinet (200) comprises: a first chamber (111), a second chamber (112) and a third chamber (113) spaced apart along a first direction; an AC and control unit (20) located within the first chamber (111); a DC power distribution unit (30) located within the second chamber (112); a cable unit (40) located within the third chamber (113); Equipped with The energy storage integration device of claim 11, wherein the cable unit (40) includes a plurality of connection buses (403), each of which is connected to the DC power distribution unit (30).

16. The energy storage integrated cabinet (200) includes a first partition plate (12) and a second partition plate (13) spaced apart along the first direction, the first partition plate (12) and the second partition plate (13) divide the energy storage integrated cabinet (200) into the first chamber (111), the second chamber (112), and the third chamber (113); Here, the second partition plate (13) has a communicating groove along the first direction, and the communicating groove communicates with the second chamber (112) and the third chamber (113), respectively.

17. The second fire fighting unit (40A) comprises: a first sub-fire fighting unit (401A) mounted in the first chamber (111); a second sub-firefighting unit (402A) mounted in the second chamber (112) and / or the third chamber (113); 17. The integrated energy storage device of claim 16, comprising:

18. The energy storage integrated device according to claim 17, wherein the first sub-fire fighting unit (401A) and the second sub-fire fighting unit (402A) both include the fire fighting equipment and the temperature detection member.

19. 14. The energy storage integration device of claim 13, further comprising a battery management system including a battery management system main control board (203) and a battery management system sub-control board connected to each other, wherein the battery management system main control board (203) is provided in the energy storage integration cabinet (200), and the battery management system sub-control board is provided in the electrical room (1001) and connected to the fire protection host.

20. The energy storage integration device of claim 11, wherein the integrated cabin (10A) further comprises a battery compartment (1002), in which a plurality of battery holders (501) are arranged in an array, and the battery holders (501) are provided with battery clusters connected to the energy storage integration cabinet (200).

Images