Battery compartment storage system

Abstract

The embodiment of the utility model discloses a battery compartment storage system. The battery compartment storage system comprises at least one cluster of battery shelf structures, and each cluster of battery shelf structures comprises a plurality of battery unit layers in the gravity direction; each battery unit layer comprises a plurality of battery cabins and at least one high-voltage box, the high-voltage boxes are arranged between the adjacent battery cabins, and the at least one high-voltage box is located in the middle area of the plurality of battery cabins; each battery unit layer comprises at least two layers of first supporting structures and at least two columns of second supporting structures, the first supporting structures extend in the horizontal direction, and the second supporting structures extend in the gravity direction; the first supporting structure and the second supporting structure form a plurality of battery cabins, and the battery cabins are used for storing battery packs; the battery packs on the same layer are electrically connected with the high-voltage boxes on the same layer, and the high-voltage boxes are used for providing control for the battery packs. According to the technical scheme provided by the embodiment, the problems that a battery bin energy storage system is large in occupied area and low in unit area energy density are solved.

Description

TECHNICAL FIELD

[0001] The utility model embodiment relates to the technical field of intelligent power grid, especially relates to a battery compartment storage system. BACKGROUND

[0002] In recent years, the rapid application of new energy in power generation and power consumption side leads to the increase of power grid load and the instability of power grid operation. In the current new energy power system, energy storage configuration can not only solve the problem of unstable power grid operation, but also reduce the phenomenon of abandoned wind and light.

[0003] The traditional large-capacity energy storage system is distributed relatively dispersedly, has the problems of large occupation area, low energy density per unit area, and high land cost in the city with land shortage. INVENTION CONTENTS

[0004] The utility model embodiment provides a kind of energy storage station type power station to solve the problems of large occupation area and low energy density per unit area of existing large-capacity energy storage system.

[0005] To achieve the above technical problems, the utility model adopts the following technical solutions:

[0006] The utility model embodiment provides a kind of battery compartment storage system, comprising:

[0007] At least one cluster of battery shelf structure along the gravity direction, each cluster of battery shelf structure includes multiple battery unit layers;Each battery unit layer includes multiple battery compartments and at least one high-voltage box, the high-voltage box is arranged between adjacent battery compartments, and the at least one high-voltage box is located in the middle region of multiple battery compartments;

[0008] Each battery unit layer includes at least two layers of first support structure and at least two columns of second support structure, the first support structure extends along the horizontal direction, and the second support structure extends along the gravity direction;The first support structure and the second support structure form multiple battery compartments, and the battery compartment is used for storing battery pack;

[0009] The battery pack located in the same layer is electrically connected with the high-voltage box located in the same layer, and the high-voltage box is used to provide control to the battery pack.

[0010] Optionally, the first support structure includes at least one of support beam, support plate or interlayer structure;

[0011] The second support structure includes at least one of support column, support plate or interlayer structure;

[0012] The high-voltage box is arranged at the middle position of the first support structure;

[0013] The battery compartments located in the same layer are symmetrically arranged on both sides of the high-voltage box.

[0014] The battery management system is arranged in the high-voltage box, and the high-voltage box monitors parameters of the battery cells of the battery pack through the battery management system, wherein the parameters of the battery cells include voltage, current and temperature information;

[0015] The battery shelf structure comprises at least one layer, and a high-voltage box is arranged in the middle of each layer of the battery shelf structure; each high-voltage box is provided with a battery management system, and the battery management system located at the nth layer of the battery shelf structure is used for monitoring and managing the battery pack in the battery compartment located at the nth layer of the battery shelf structure, wherein n is an integer greater than or equal to 1;

[0016] The battery management system located at the nth layer of the battery shelf structure is further used for independently managing and monitoring each battery cell in the battery pack located at the nth layer of the battery shelf structure and located on both sides of the high-voltage box.

[0017] Optionally, the battery compartment storage system further comprises:

[0018] An electrical compartment is arranged at the bottom layer of the battery shelf structure; and the battery compartment is arranged at a side of the electrical compartment away from the ground.

[0019] The battery compartment covers the electrical compartment in the battery shelf structure in the orthographic projection.

[0020] Optionally, the electrical compartment comprises at least two inversion and boosting integrated compartments and at least two busbar cabinets.

[0021] The busbar cabinet is located at the middle position of the inversion and boosting integrated compartment.

[0022] Optionally, when the battery compartment storage system comprises at least two clusters of battery shelf structures, a maintenance channel is arranged between every two rows of the battery shelf structures; the maintenance channel is arranged between adjacent two layers of the battery compartments; and the maintenance channel is used for providing a passage for maintenance of the battery pack.

[0023] Optionally, the battery compartment storage system further comprises:

[0024] A fire-fighting partition structure extends along the horizontal direction of the battery shelf structure, and the fire-fighting partition structure is arranged between adjacent two layers of the battery compartments; and the fire-fighting partition structure is used for partitioning and protecting the battery compartments from fire.

[0025] Optionally, the fire-fighting partition structure comprises a fireproof rock wool board, and the fireproof rock wool board is used for partitioning and protecting the battery pack in the battery compartment from fire.

[0026] Optionally, the battery compartment storage system further comprises:

[0027] The stacker structure is arranged between every two rows of the battery rack structures; and the stacker structure is used for placing the battery pack into the corresponding battery compartment.

[0028] The stacker structure and the maintenance passage are arranged at different sides of the battery compartment.

[0029] Optionally, the stacker, the stacker horizontal rail and the stacker vertical rail are arranged.

[0030] The stacker horizontal rail is arranged between two rows of the battery rack structures and extends along the row direction of the battery rack structures.

[0031] The stacker vertical rail is arranged in the stacker horizontal rail and extends along the column direction of the battery rack structures.

[0032] The stacker is arranged on the stacker vertical rail and is used for moving along the gravity direction in the stacker vertical rail; and the stacker vertical rail is used for moving along the horizontal direction in the stacker horizontal rail.

[0033] Along the row direction of the battery rack structures, the length of the battery compartment storage system is the same as the length of the stacker horizontal rail.

[0034] Optionally, the battery compartment storage system further comprises:

[0035] The fire-fighting pool is arranged at one end of the battery rack structures along the row direction of the battery rack structures.

[0036] The fire-fighting pool is used for, after the battery pack in thermal runaway is taken out by the stacker, being thrown into the fire-fighting pool along the stacker horizontal rail to extinguish the fire.

[0037] The battery compartment storage system provided by the embodiment of the utility model comprises at least one cluster of battery rack structures, each cluster of battery rack structures comprises a plurality of battery unit layers, each battery unit layer comprises a plurality of battery compartments and at least one high-voltage box, the high-voltage box is arranged between adjacent battery compartments, and the at least one high-voltage box is located in the middle region of the plurality of battery compartments. Each battery unit layer comprises at least two layers of first support structures and at least two columns of second support structures, the first support structures and the second support structures form the plurality of battery compartments, and at least two battery compartments are arranged along the gravity direction. The battery compartment is used for storing a battery pack. Each battery unit layer is provided with a high-voltage box, and the two sides of the high-voltage box are provided with battery compartments. The battery pack located in the same layer is electrically connected with the high-voltage box located in the same layer, which can not only facilitate the high-voltage box to provide control to the battery pack, but also facilitate the density of the battery compartment per unit area to be improved, thereby effectively improving the energy storage density per unit area of the battery pack and reducing the floor area of the large-capacity energy storage power station. BRIEF DESCRIPTION OF DRAWINGS

[0038] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the description of the embodiments of the present application. Obviously, the drawings described in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained from the contents of the embodiments of the present application and these drawings without any creative effort.

[0039] Figure 1 is a structural schematic diagram of a battery compartment storage system provided by the embodiment of the present application.

[0040] Figure 2 is a structural schematic diagram of another battery compartment storage system provided by the embodiment of the present application.

[0041] Figure 3 is a structural schematic diagram of another battery compartment storage system provided by the embodiment of the present application.

[0042] Figure 4 is a structural schematic diagram of another battery compartment storage system provided by the embodiment of the present application. DETAILED DESCRIPTION

[0043] The present application will be further described in detail below in combination with the drawings and embodiments. It can be understood that the specific embodiments described herein are only used to explain the present application, but not to limit the present application. In addition, it should be noted that, in order to facilitate the description, only the parts related to the present application are shown in the drawings, but not all the structures.

[0044] Based on the above technical problems, the following solutions are proposed in the embodiments of the present application:

[0045] Figure 1 is a structural schematic diagram of a battery compartment storage system provided by the embodiment of the present application. Figure 2 is a structural schematic diagram of another battery compartment storage system provided by the embodiment of the present application. In combination with Figure 1 and Figure 2The battery storage system 1 provided by the embodiment of the utility model includes at least one cluster of battery shelf structures 12, along the gravity direction Z, each cluster of battery shelf structures 12 includes a plurality of battery unit layers; each battery unit layer includes a plurality of battery compartments 11 and at least one high-voltage box 5, the high-voltage box 5 is arranged between adjacent battery compartments 11, and the at least one high-voltage box 5 is located in the middle region of the plurality of battery compartments 11; each battery unit layer includes at least two layers of first support structures 121 and at least two columns of second support structures 122, the first support structure 121 extends along the horizontal direction X, and the second support structure 122 extends along the gravity direction Z; the first support structure 121 and the second support structure 122 form a plurality of battery compartments 11, and the battery compartment 11 is used for storing a battery pack; the battery pack located in the same layer is electrically connected with the high-voltage box 5 located in the same layer, and the high-voltage box 5 is used for providing control to the battery pack.

[0046] Specifically, the battery storage system 1 can include a plurality of clusters of battery shelf structures 12. The first support structure 121 of the battery shelf structure 12 extends along the horizontal direction X. The second support structure 122 of the battery shelf structure 12 extends along the gravity direction Z. The first support structure 121 and the second support structure 122 jointly form a plurality of battery compartments 11. The first support structure 121 can include at least one of a support beam, a support plate or a partition structure. The second support structure 122 can include at least one of a support column, a support plate or a partition structure.

[0047] The battery storage system 1 is provided with a plurality of battery compartments 11 inside the energy storage system, and the battery compartment 11 is used for storing a battery pack. The plurality of battery compartments 11 of the battery shelf structure 12 are sequentially arranged along the gravity direction Z, and each battery shelf structure 12 includes a plurality of columns of battery compartments 11. Each column of the battery shelf structure 12 is provided with a plurality of layers of battery compartments 11, which effectively improves the unit area energy storage density of the battery pack and reduces the floor area of the battery storage system 1.

[0048] The battery shelf structure 12 provided with the battery compartment 11 in each layer is provided with a high-voltage box 5, and the high-voltage box 5 is electrically connected with the battery pack located in the battery compartment 11. This arrangement facilitates the high-voltage box 5 to provide control to the battery pack. By arranging the battery compartment 11 on both sides of the high-voltage box 5, the battery pack located in the same layer is electrically connected with the high-voltage box 5 located in the same layer, which can save the length of the cable of the high-voltage box 5, thereby reducing the space occupied by the cable of the high-voltage box 5 and further saving the space occupied by the high-voltage box 5 and the cable.

[0049] The high-voltage box 5 is used for providing control to the battery pack, that is, the high-voltage box 5 is used for monitoring the parameters of the battery cell of the battery pack in the battery compartment 11 and managing the battery cell. Specifically, the high-voltage box 5 includes a relay, a fuse, a pre-charge resistor, an insulation detection module and a molded case switch, etc.

[0050] The battery compartment storage system 1 provided by the embodiment comprises at least one cluster of battery shelf structures 12, each cluster of battery shelf structures 12 comprises a plurality of battery unit layers, each battery unit layer comprises a plurality of battery compartments 11 and at least one high-voltage box 5, the high-voltage box 5 is arranged between adjacent battery compartments 11, and the at least one high-voltage box 5 is located in the middle region of the plurality of battery compartments 11. Each battery unit layer comprises at least two layers of first support structures 121 and at least two columns of second support structures 122, the first support structures 121 and the second support structures 122 form the plurality of battery compartments 11, and at least two battery compartments 11 are arranged along the gravity direction Z. The battery compartment 11 is used for storing a battery pack. The battery shelf structure 12 provided with the battery compartment 11 in each layer is a battery unit layer. Each battery unit layer is provided with a high-voltage box 5. The high-voltage box 5 is provided with the battery compartment 11 on both sides. The battery pack located in the same layer is electrically connected to the high-voltage box 5 located in the same layer, which can facilitate the high-voltage box 5 to provide control to the battery pack, and can facilitate to improve the density of the battery compartment 11 per unit area, thereby effectively improving the energy storage density per unit area of the battery pack and reducing the floor area of the large-capacity energy storage power station.

[0051] Optionally, on the basis of the above-mentioned embodiment, continuing to refer to Figure 2 , the high-voltage box 5 is arranged at the middle position of the first support structure 121; the battery compartments 11 located in the same layer are symmetrically arranged on both sides of the high-voltage box 5; a battery management system is arranged in the high-voltage box 5, the high-voltage box 5 monitors the parameters of the battery core of the battery pack through the battery management system, the parameters of the battery core include voltage, current and temperature information; the battery shelf structure 12 comprises at least one layer, and one high-voltage box 5 is arranged in the middle of each battery shelf structure 12; each high-voltage box 5 is provided with a battery management system, and the battery management system located in the nth layer of the battery shelf structure 12 is used for monitoring and managing the battery pack in the battery compartment 11 located in the nth layer of the battery shelf structure 12, n is an integer greater than or equal to 1; the battery management system located in the nth layer of the battery shelf structure 12 is also used for independently managing and monitoring each battery core in the battery pack located in the nth layer of the battery shelf structure 12 and on both sides of the high-voltage box 5.

[0052] Specifically, the high-voltage box 5 is arranged in the middle of the plurality of battery compartments 11 of the battery unit layer. The battery compartments 11 are symmetrically arranged on both sides of the high-voltage box 5. The high-voltage box 5 is arranged in the same layer as the battery compartment 11. Each battery unit layer is provided with a plurality of high-voltage boxes 5, so that the battery pack arranged on both sides of the high-voltage box 5 is controlled by the high-voltage box 5, and the difficulty of connecting the cable with the battery compartment 11 is reduced. The high-voltage box 5 can be provided with a battery management system (BMS), such as a master-slave type battery management system. The high-voltage box 5 mainly monitors the voltage, current and temperature information and other parameters of the battery core of the battery pack through the master-slave type battery management system.

[0053] For example, the battery management system located at the third layer of the battery shelf structure 12 is used for monitoring and managing the battery packs located in the battery compartments 11 at the third layer of the battery shelf structure 12, so that the battery management system can manage the battery packs located at both sides of the high-voltage box 5 at the same layer independently.

[0054] Further, the battery management system independently manages and monitors each battery cell in the battery packs located at both sides of the high-voltage box 5 at the same layer. This management mode ensures that the working state and performance of each battery cell can be accurately controlled and protected, thereby improving the overall performance and safety of the battery pack.

[0055] Optionally, on the basis of each of the above embodiments, referring back to Figure 2 , the battery compartment storage system 1 can further include: an electrical compartment 4, the electrical compartment 4 is arranged at the bottom layer of the battery shelf structure 12; the battery compartment 11 is arranged at one side of the electrical compartment 4 away from the ground; the orthographic projection of the battery compartment 11 on the battery shelf structure 12 covers the orthographic projection of the electrical compartment 4 on the battery shelf structure 12.

[0056] Specifically, the electrical compartment 4 is arranged at the bottom layer of the battery shelf structure 12, and the other layers of the battery shelf structure 12 are used to arrange the battery compartments 11, so that the electrical compartment 4 can supply power to the battery packs in the battery compartments 11, and the arrangement and maintenance of the electrical compartment 4 are facilitated, and the stability of the electrical compartment 4 is improved.

[0057] Optionally, on the basis of each of the above embodiments, referring back to Figure 2 , the electrical compartment 4 includes at least two inverter and booster integrated compartments and at least two busbar cabinets; the busbar cabinet is located at the middle position of the inverter and booster integrated compartment.

[0058] Specifically, since the electrical compartment 4 is arranged as an inverter and booster integrated compartment, and the busbar cabinet is arranged at the middle position of the inverter and booster integrated compartment, the inverter and booster integrated compartment is connected with the busbar cabinet at the middle position, the arrangement of the cables in the electrical compartment 4 is optimized, and the volume of the electrical compartment 4 is further reduced.

[0059] Optionally, Figure 3 is another structural schematic view of a battery compartment storage system provided by the embodiments of the present application. On the basis of each of the above embodiments, referring back to Figure 3 , when the battery compartment storage system 1 includes at least two clusters of battery shelf structures 12, a maintenance channel 30 is arranged between every two rows of the battery shelf structures 12; the maintenance channel 30 is arranged between adjacent two layers of the battery compartments 11; and the maintenance channel 30 is used to provide a passage for the maintenance of the battery packs.

[0060] Specifically, the maintenance channel 30 can extend through the height direction of the battery shelf structure 12, and the maintenance channel 30 can be arranged between adjacent two clusters of battery shelf structures 12 in different rows. The maintenance channel 30 is arranged between every two rows of battery shelf structures 12, so that adjacent two clusters of battery shelf structures 12 share the same maintenance channel 30, and the land occupation of the maintenance channel 30 is further saved.

[0061] Optionally, on the basis of each of the above embodiments, the battery storage system 1 further comprises a fire-fighting partition structure 20, the fire-fighting partition structure 20 extends along the horizontal direction X of the battery shelf structure 12, and the fire-fighting partition structure 20 is arranged between adjacent two layers of battery compartments 11. The fire-fighting partition structure 20 is used for partitioning and fireproofing protection of the battery compartment 11. Figures 1 to 3

[0062] Specifically, the fire-fighting partition structure 20 extends along the horizontal direction X of the battery shelf structure 12, and the fire-fighting partition structure 20 is arranged between adjacent two layers of battery compartments 11. This facilitates timely fireproofing protection of the battery pack in the battery compartment 11.

[0063] Illustratively, each battery unit layer of the battery shelf structure 12 can include eight battery compartments 11 and one high-voltage box 5 located in the middle region of the plurality of battery compartments 11 of the battery unit layer, and the fire-fighting partition structure 20 can be arranged between every two layers. The fire-fighting partition structure 20 can prevent the spread of thermal runaway.

[0064] Optionally, on the basis of each of the above embodiments, the fire-fighting partition structure 20 comprises a fireproof rock wool board, which is used for fireproof separation of the battery pack in the battery compartment 11.

[0065] Specifically, the fire-fighting partition structure 20 can use a fireproof rock wool board for fireproof separation to prevent the spread of thermal runaway of the battery pack.

[0066] Optionally, on the basis of each of the above embodiments, the battery storage system 1 further comprises a stacker structure 13, and the stacker structure 13 is arranged between every two rows of battery shelf structures 12. Figures 1 to 3

[0067] ​​Specifically, the battery shelf structure 12 stores and takes out the battery pack into the battery compartment 11 through the stacker structure 13. The stacker structure is arranged along the gravity direction Z, facilitating the storage and taking out of the battery pack along the gravity direction Z, effectively improving the energy storage density per unit area of the battery pack and reducing the floor area of the large-capacity energy storage power station. The stacker structure 13 and the maintenance channel 30 are arranged at the opposite side of the battery compartment 11, so that two adjacent rows of battery shelf structures 12 share one stacker structure 13, and another two adjacent rows of battery shelf structures 12 share one maintenance channel 30, thereby reducing the number of stacker structures 13 and avoiding the interference between the maintenance channel 30 and the stacker structure 13.

[0068] Optionally, on the basis of the above-mentioned embodiments, the battery compartment storage system 1 further comprises a stacker 131, a stacker horizontal rail 133 and a stacker vertical rail 132. Figures 1 to 3 The stacker horizontal rail 133 is arranged between two rows of battery shelf structures 12 and extends along the row direction of the battery shelf structure 12. The stacker vertical rail 132 is arranged in the stacker horizontal rail 133 and extends along the column direction of the battery shelf structure 12. The stacker 131 is arranged on the stacker vertical rail 132 and is used to move along the gravity direction Z in the stacker vertical rail 132. The stacker vertical rail 132 is used to move along the horizontal direction X in the stacker horizontal rail 133. Along the row direction of the battery shelf structure 12, the length of the battery compartment storage system 1 is the same as the length of the stacker horizontal rail 133.

[0069] Specifically, the stacker 131 can include an automatic stacker. The stacker 131 moves along the gravity direction Z through the stacker vertical rail 132. The stacker horizontal rail 133 is arranged between two adjacent battery shelf structures 12. The stacker moves the battery pack along the horizontal direction X through the stacker horizontal rail 133. In this way, the battery pack can be conveniently taken out and placed, and the taking-out and placing efficiency and intelligence of the battery pack are improved.

[0070] Optionally, Figure 4 is a structural schematic diagram of another battery compartment storage system provided by the embodiment of the present application. On the basis of the above-mentioned embodiments, the battery compartment storage system 1 further comprises a fire-fighting pool 2 arranged at one end of the battery shelf structure 12 along the row direction of the battery shelf structure 12. Figures 1 to 4 The fire-fighting pool 2 is used to put the battery pack with thermal runaway into the fire-fighting pool 2 through the stacker after taking out the battery pack, so as to extinguish the fire.

[0071] Specifically, a fire pool 2 is arranged at the tail end of each column of the stacker to realize early warning fire fighting of the battery pack and emergency fire extinguishing pool function of the out-of-control failure. A stacker passing space is reserved between the two-column battery rack structure 12, and the stacker track 133 is straight through both ends. For the out-of-control battery pack, it can be taken out and directly put into the fire pool 2 of the fire fighting system 2. The stacker structure 13 can timely take out the battery pack in thermal runaway and put it into the fire pool 2, further improving the safety of the energy storage station type power station.

[0072] Optionally, on the basis of each of the above embodiments, the battery rack structure 12 can be combined with Figures 1 to 4 The battery rack structure 12 can adopt a steel frame structure, which can be freely disassembled and assembled on site. The battery compartment 11 can adopt a frame-batten structure, which includes a concrete column and a steel structure roof. Optionally, on the basis of each of the above embodiments, the battery rack structure 12 can be provided with a number, which is one-to-one corresponding to the battery compartment 11. The number of the battery compartment 11 is used for the automatic guided vehicle to put or take out the battery pack according to the number. By numbering each battery compartment 11, the automatic putting and taking out of the battery pack are facilitated, and the efficiency of intelligent storage and access of the battery pack is improved.

[0073] It should be noted that the above are only preferred embodiments of the present application and the technical principles applied. Those skilled in the art will understand that the present application is not limited to the specific embodiments described herein, and those skilled in the art can make various obvious changes, re-adjustments and substitutions without departing from the scope of the present application. Therefore, although the present application has been described in more detail through the above embodiments, the present application is not limited to the above embodiments, and can include more other equivalent embodiments without departing from the concept of the present application, and the scope of the present application is determined by the scope of the appended claims.

Claims

1. A battery compartment storage system, characterized by, The battery storage system comprises: at least one cluster of battery rack structures along a gravity direction, each of the battery rack structures comprising a plurality of battery unit layers; each of the battery unit layers comprising a plurality of battery compartments and at least one high-voltage box, the high-voltage box being arranged between adjacent battery compartments, the at least one high-voltage box being located in a middle region of the plurality of battery compartments; each of the battery unit layers comprising at least two layers of first support structures and at least two columns of second support structures, the first support structures extending along a horizontal direction, and the second support structures extending along the gravity direction; the first support structures and the second support structures forming a plurality of battery compartments for storing battery packs; the battery packs in the same layer being electrically connected to the high-voltage box in the same layer, the high-voltage box being configured to provide control to the battery packs.

2. The battery storage system according to claim 1, wherein: the first support structures comprise at least one of a support beam, a support plate, or a partition structure; the second support structures comprise at least one of a support column, a support plate, or a partition structure; the high-voltage box is arranged at a middle position of the first support structures; the battery compartments in the same layer are symmetrically arranged on both sides of the high-voltage box; a battery management system is arranged in the high-voltage box, the high-voltage box being configured to monitor parameters of battery cells in the battery packs in the battery compartments through the battery management system, the parameters of the battery cells including voltage, current, and temperature information; the battery rack structure comprises at least one layer, and a high-voltage box is arranged in a middle region of each of the battery rack structures; a battery management system is arranged in each of the high-voltage boxes, and the battery management system in an nth layer of the battery rack structure is configured to monitor and manage the battery packs in the battery compartments in the nth layer of the battery rack structure, n being an integer greater than or equal to 1; the battery management system in the nth layer of the battery rack structure is further configured to independently manage and monitor each battery cell in the battery packs on both sides of the high-voltage box in the nth layer of the battery rack structure.

3. The battery storage system of claim 1, wherein, The battery storage system further comprises: an electrical compartment arranged at a bottom layer of the battery rack structure; and the battery compartments in the battery rack structure cover the electrical compartment in the battery rack structure in a projection.

4. The battery storage system according to claim 3, wherein: the electrical compartment comprises at least two inverter-boosting integrated compartments and at least two bus cabinets; the bus cabinets are arranged at middle positions of the inverter-boosting integrated compartments.

5. The battery storage system of claim 1, wherein, when the battery storage system comprises at least two clusters of battery rack structures, a maintenance passage is arranged between every two rows of the battery rack structures; the maintenance passage is arranged between adjacent two layers of the battery compartments, and is configured to provide a passage for maintenance of the battery packs.

6. The battery storage system of claim 5, wherein, The battery storage system further comprises: A fire partition structure is arranged between two adjacent battery storage spaces in the horizontal direction of the battery rack structure, and is used for partitioning and fireproofing protection of the battery storage spaces.

7. The battery storage system according to claim 6, wherein, The fire partition structure comprises a fireproof rock wool board, which is used for fireproof separation of the battery pack in the battery storage space.

8. The battery storage system of claim 7, wherein, The battery storage system further comprises: A stacker structure is arranged between every two rows of battery rack structures, and is used for placing the battery pack into the corresponding battery storage space. The stacker structure and the maintenance passage are arranged on the opposite sides of the battery storage space.

9. The battery storage system of claim 8, wherein, The stacker structure comprises: A stacker, a stacker horizontal rail and a stacker vertical rail. The stacker horizontal rail is arranged between two rows of battery rack structures and extends in the row direction of the battery rack structure. The stacker vertical rail is arranged in the stacker horizontal rail and extends in the column direction of the battery rack structure. The stacker is arranged on the stacker vertical rail and is used for moving in the gravity direction in the stacker vertical rail, and the stacker vertical rail is used for moving in the horizontal direction in the stacker horizontal rail. The length of the battery storage system in the row direction of the battery rack structure is the same as the length of the stacker horizontal rail.

10. The battery storage system of claim 9, wherein, The battery storage system further comprises: A fire pool is arranged at one end of the battery rack structure in the row direction of the battery rack structure. The fire pool is used for putting the battery pack with thermal runaway into the fire pool through the stacker horizontal rail after the battery pack is taken out by the stacker, and then extinguishing the fire.

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