Energy storage cabinet

Abstract

The utility model discloses an energy storage cabinet, which comprises a cabinet body, a battery pack mounting bracket and a battery pack supported by the battery pack mounting bracket are arranged in the cabinet body, roller strips are arranged on the battery pack mounting bracket, and the roller strips are in contact with two sides of the bottom of the battery pack. And the roller strips on the battery pack mounting bracket enable the friction between the battery pack and the supporting surface to be rolling friction when the battery pack is pushed and pulled during disassembly, so that the friction force during disassembly of the battery pack is greatly reduced, and production personnel and after-sales maintenance personnel can conveniently and efficiently operate in a labor-saving manner. The roller strips only support the two sides of the bottom of the battery pack instead of traversing the bottom of the battery pack, so that the stability of the battery pack can be ensured, the situation that the roller strips occupy too much space and cannot improve the space utilization rate in the cabinet body can be avoided, and the electric quantity of the energy storage cabinet is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of electrochemical energy storage, and more specifically, to an energy storage cabinet. Background Art

[0002] With the country's support for the energy storage industry, various regions have introduced various preferential policies for energy storage. There is a difference in peak and valley demand in my country's electricity consumption, and the power department has set peak and valley electricity prices for different periods. Therefore, for factories and parks with large electricity demand, the demand for energy storage is increasing. Compared with physical energy storage, electrochemical energy storage has advantages such as small size and short construction period, so it has become the mainstream form of energy storage.

[0003] Like power battery packs, electrochemical energy storage systems are also constantly improving space utilization and increasing the amount of energy they can store. The weight of a single battery pack has grown from tens of kilograms to three or four hundred kilograms, which has made it difficult to install and manufacture energy storage systems.

[0004] In the past, the installation of energy storage system plug-in boxes was done manually, with the help of a manual hydraulic lift platform, and the plug-in boxes were pushed into the energy storage cabinet. If the plug-in box is light, it is easier to overcome the friction between the bottom of the plug-in box and the metal part of the cabinet and push the plug-in box into the cabinet. However, as the size and weight of a single plug-in box increase, it is difficult for personnel to overcome the friction and push the battery pack into the cabinet, which brings difficulties to the installation of the energy storage system.

[0005] The utility model patent with publication number CN218300080U discloses an energy storage cabinet and an energy storage device. Although this solution can reduce the friction between the battery pack and the cabinet, the roller itself is heavy and the roller runs across the energy storage cabinet. This layout requires a large space, which reduces the space utilization rate of the energy storage cabinet and the charge of the entire cabinet, and increases the total weight of the energy storage system. Utility Model Content

[0006] The existing energy storage cabinet structure layout is unreasonable, resulting in relatively low space utilization and the charge of the entire cabinet. To overcome these defects, the utility model provides an energy storage cabinet, which can improve the space utilization inside the energy storage system and increase the charge of the energy storage cabinet.

[0007] The technical solution of the utility model is: an energy storage cabinet, including a cabinet body, a battery pack mounting bracket and a battery pack supported by the battery pack mounting bracket are arranged in the cabinet body, and a roller bar is arranged on the battery pack mounting bracket, and the roller bar contacts the bottom sides of the battery pack. The roller bar on the battery pack mounting bracket makes the friction between the battery pack and the supporting surface during disassembly, assembly, and push and pull to be rolling friction, which greatly reduces the friction force during disassembly and assembly of the battery pack, and facilitates production personnel and after-sales maintenance personnel to operate labor-savingly and efficiently. The roller bar only supports the bottom sides of the battery pack instead of crossing the bottom of the battery pack, which can not only ensure the stability of the battery pack, but also avoid the roller bar occupying too much space and failing to improve the space utilization rate in the cabinet, thereby increasing the power capacity of the energy storage cabinet.

[0008] Preferably, the cabinet has a battery compartment, and columns are provided on both sides of the battery compartment. The battery pack mounting bracket is mounted on the columns, and in the upper and lower adjacent battery pack mounting brackets, the bottom of the upper battery pack mounting bracket is located in the gap between the two sides of the top of the battery pack supported by the lower battery pack mounting bracket and the columns. Through the above structural setting, the space between the battery pack and the cabinet columns can be fully utilized, and the battery pack mounting bracket can be sunk to obtain a more compact battery pack layer spacing, so that the space utilization rate of the entire energy storage system is higher.

[0009] Preferably, the roller strip includes a roller and a roller assembly bracket, and the roller is rotatably connected to the roller assembly bracket. The roller surface on the roller strip contacts the lower surface of the battery pack to achieve rolling contact between the roller strip and the battery pack.

[0010] Preferably, the roller strip is detachably mounted on the battery pack mounting bracket. To ensure a sufficiently large supporting surface, there are usually multiple rollers on the roller strip. The detachable roller strip is convenient for disassembly and assembly. Once a roller is damaged, the roller strip can be removed for corresponding repair.

[0011] Preferably, the battery pack mounting bracket is provided with a right-angle connection block fixing sheet, the right-angle connection block fixing sheet is connected to the right-angle connection block by bolts, the right-angle connection block is fixed to at least one end of the battery pack by bolts, and the right-angle connection block is connected to the battery pack mounting bracket. The right-angle connection block is fixed to the battery pack mounting bracket and the battery pack at the same time, so that the battery pack is mounted on the battery pack mounting bracket.

[0012] As an alternative, one end of the battery pack is connected to the battery pack mounting bracket via a right-angle connection block, and the other end of the battery pack is connected to the battery pack mounting bracket via an elastic pressure block. The battery pack can also be fixed to the battery pack mounting bracket by a right-angle connection block at one end and the battery pack is pressed by an elastic pressure block at the other end. After the battery pack is installed, the elastic pressure block plays a role in blocking it in place and pressing the lip of the battery pack to fix it.

[0013] Preferably, a protruding lip is provided at the bottom of the battery pack, which can provide a large number of stress points for the battery pack and reduce damage to the battery pack body.

[0014] Preferably, a ground fixing plate is provided at the bottom of the cabinet body, and the ground fixing plate can be installed with anchor bolts, which greatly improves the stability of the cabinet body.

[0015] The beneficial effects of the utility model are:

[0016] The space inside the cabinet is fully utilized to increase the amount of energy storage cabinet. In the utility model, the roller bar only supports the bottom sides of the battery pack instead of crossing the bottom of the battery pack, which can ensure the stability of the battery pack and avoid the roller bar taking up too much space and failing to improve the space utilization rate inside the cabinet, thereby increasing the amount of energy storage cabinet.

[0017] Improve the operational convenience of production and maintenance personnel. The utility model can reduce the friction during the disassembly and assembly of the battery pack, greatly reduce the labor intensity during the installation of the battery pack, and improve the operational convenience of production and maintenance personnel, thereby improving production and maintenance efficiency, reducing the physical exertion of operators, and reducing the maintenance cost and difficulty of the product. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 A structural schematic diagram of the utility model;

[0019] Figure 2 This is a schematic diagram of the front structure of the utility model after removing the cabinet door and baffle;

[0020] Figure 3 This is a schematic diagram of the back structure of the utility model after removing the cabinet door and baffle;

[0021] Figure 4 This is a schematic diagram of the structure of the utility model after removing the cabinet door, baffle and battery pack;

[0022] Figure 5 It is a structural schematic diagram of the roller strip in the utility model.

[0023] In the figure, 1-cabinet, 101-battery compartment, 102-distribution compartment, 103-ground fixing plate, 104-lifting ring, 2-battery pack mounting bracket, 201-right angle connecting block fixing plate, 202-right angle connecting block, 203-elastic pressing block, 3-battery pack, 301-lip, 4-roller strip, 401-roller, 402-roller group bracket. DETAILED DESCRIPTION

[0024] The present invention will be further described below with reference to the specific embodiments of the drawings.

[0025] Embodiment 1:

[0026] like Figures 1 to 5 As shown, an energy storage cabinet includes a cabinet 1 with a cabinet door, a battery pack mounting bracket 2 and a battery pack 3 are arranged in the cabinet 1, the battery pack mounting bracket 2 is a bearing structure of the battery pack 3, and is used to support the battery pack 3, and the battery pack 3 is detachably mounted on the battery pack mounting bracket 2. The cabinet 1 is a frame structure composed of columns and beams, the top of the columns is connected to a top frame, forming the top of the cabinet 1, and a lifting ring 104 is installed on the top of the cabinet 1; the top of the columns is connected to a bottom frame, forming the bottom of the cabinet 1, and a ground anchor plate 103 is provided at the bottom of the cabinet 1. The cabinet 1 is divided into a battery compartment 101 and a power distribution compartment 102, and there are six columns on both sides of the battery compartment 101, and the six columns are arranged in two parallel rows, with three columns in each row and corresponding to each other, and baffles are installed on the two rows of columns to form two side surfaces of the battery compartment 101, and one of the side surfaces forms a partition structure between the battery compartment 101 and the power distribution compartment 102. The battery pack mounting bracket 2 is arranged in layers in the cabinet 1, with a total of five layers. Each layer has two strip-shaped battery pack mounting brackets 2 paired, and the two paired battery pack mounting brackets 2 are symmetrically fixedly installed on the columns on both sides of the battery compartment 101. Each battery pack mounting bracket 2 is vertically intersected and welded with three columns in each row of columns. The cross section of the battery pack mounting bracket 2 is L-shaped, and the right-angled concave surfaces of each pair of battery pack mounting brackets 2 are opposite. The battery pack mounting bracket 2 is provided with a roller bar 4. The roller bars 4 on each layer of the battery pack mounting bracket 2 are also symmetrically arranged and contact the bottom sides of the battery pack 3. The roller bar 4 includes thirty-three rollers 401 and a pair of roller group brackets 402. Roller shafts are integrally provided at both ends of the roller 401. Roller shaft holes are evenly distributed on the roller group brackets 402. The roller shafts at both ends of the roller 401 are adapted and inserted into the roller shaft holes on the two roller group brackets 402 one by one, and fixing nuts are installed on the end faces of the roller shafts, so that the roller 401 is rotatably connected to the roller group bracket 402 and can be prevented from falling off.

[0027] The battery pack 3 has a taper, and the size of the top surface of the battery pack 3 is slightly smaller than the size of the bottom surface, so it is in the shape of a quadrangular pyramid. A protruding lip 301 is provided at the bottom of the battery pack 3, and a threaded hole is provided on the lip 301. The roller bar 4 of the battery pack 3 is detachably mounted on the battery pack mounting bracket 2. An L-shaped right-angle connecting block fixing piece 201 is welded to the front end of the battery pack mounting bracket 2, i.e., the end facing the front of the cabinet 1. A right-angle connecting block 202, also in an L shape, is connected to the right-angle connecting block fixing piece 201 by bolts. The right-angle connecting block 202 is fixed to the front end of the battery pack 3, i.e., the end of the battery pack 3 facing the front of the cabinet 1 by bolts. The rear end of the battery pack 3, i.e., the end of the battery pack 3 facing the back of the cabinet 1, is connected to the battery pack mounting bracket 2 by an elastic pressing block 203. The elastic pressing block 203 is also L-shaped, formed by integrally bending an elastic steel sheet, and has a rear baffle and an upper pressing plate. Under normal conditions, the rear baffle and the upper pressing plate form an angle of about 90°. A connecting plate is integrally provided at the bottom end of the rear baffle. Under normal conditions, the connecting plate and the rear baffle also form an angle of about 90°. A guide plate is integrally provided at the free end of the upper pressing plate, and the guide plate is inclined upward. After the battery pack 3 is fixed by the right-angle connecting block 202 and the elastic pressing block 203, there is a gap between the two sides of the top of the battery pack 3 and the columns on both sides of the battery compartment 101. Between the upper and lower adjacent layers of battery pack mounting brackets 2, the bottom of the upper battery pack mounting bracket 2 is located in the gap between the two sides of the top of the battery pack 3 supported by the lower battery pack mounting bracket 2 and the columns. That is, the position of the upper battery pack mounting bracket 2 can be lowered to a moderate position overlap with the top of the battery pack 3 on the lower battery pack mounting bracket 2, but after being supported by the roller bar 4, the bottom surface of the upper battery pack 3 is still above the top surface of the lower battery pack 3. In this way, the space between the battery pack 3 and the cabinet column can be fully utilized, and the battery pack mounting bracket 2 can be sunk to obtain a more compact battery pack 3 layer spacing, so that more battery packs 3 can be stacked at the same height, making the space utilization rate of the entire energy storage system higher.

[0028] When installing the battery pack 3 in the cabinet 1, the rear end of the battery pack 3 is placed on the roller bar 4 on the battery pack mounting bracket 2 at the bottom of the battery compartment 101. The surface of the roller 401 contacts the lower surface of the battery pack 3. The installer lifts the front end of the battery pack 3 and pushes the battery pack 3 inward at the same time. The surface of the roller 401 rolls and contacts the lower surface of the battery pack 3. When the center of gravity of the battery pack 3 enters the battery compartment 101, there is no need to apply an upward force to the front end of the battery pack 3. The battery pack 3 continues to be pushed horizontally. When the rear end of the battery pack 3 reaches the elastic pressure block 203, the rear end of the battery pack 3 presses the guide plate, driving the upper pressure plate to open. The rear end of the battery pack 3 gradually enters the angle area between the upper pressure plate and the rear baffle. The rebound of the upper pressure plate causes the upper pressure plate to clamp the top surface of the battery pack 3. When the rear end of the battery pack 3 hits the rear baffle, the battery pack 3 cannot be pushed further. At this time, a bolt is passed through the right-angle connection block 202 and connected to the threaded hole on the lip 301.

[0029] Embodiment 2:

[0030] An energy storage cabinet includes a cabinet 1 with a cabinet door. A battery pack mounting bracket 2 and a battery pack 3 are arranged in the cabinet 1. The battery pack mounting bracket 2 is a bearing structure of the battery pack 3 and is used to support the battery pack 3. The battery pack 3 is detachably mounted on the battery pack mounting bracket 2. The cabinet 1 is a frame structure composed of columns and beams. The top of the column is connected to a top frame to form the top of the cabinet 1. A lifting ring is installed on the top of the cabinet 1. The top of the column is connected to a bottom frame to form the bottom of the cabinet 1. A ground anchor plate 103 is provided at the bottom of the cabinet 1. The cabinet 1 is divided into a battery compartment 101 and a power distribution compartment 102. There are six columns on both sides of the battery compartment 101. The six columns are arranged in two parallel rows, with three columns in each row and corresponding to each other. Baffles are installed on the two rows of columns to form two side surfaces of the battery compartment 101, and one of the side surfaces forms a partition structure between the battery compartment 101 and the power distribution compartment 102. The battery pack mounting bracket 2 is arranged in layers in the cabinet 1, with a total of five layers. Each layer has two strip-shaped battery pack mounting brackets 2 paired, and the two paired battery pack mounting brackets 2 are symmetrically fixedly installed on the columns on both sides of the battery compartment 101. Each battery pack mounting bracket 2 is vertically intersected and welded with three columns in each row of columns. The cross section of the battery pack mounting bracket 2 is L-shaped, and the right-angled concave surfaces of each pair of battery pack mounting brackets 2 are opposite. The battery pack mounting bracket 2 is provided with a roller bar 4. The roller bars 4 on each layer of the battery pack mounting bracket 2 are also symmetrically arranged and contact the bottom sides of the battery pack 3. The roller bar 4 includes thirty-three rollers 401 and a pair of roller group brackets 402. Roller shafts are integrally provided at both ends of the roller 401. Roller shaft holes are evenly distributed on the roller group brackets 402. The roller shafts at both ends of the roller 401 are adapted and inserted into the roller shaft holes on the two roller group brackets 402 one by one, and fixing nuts are installed on the end faces of the roller shafts, so that the roller 401 is rotatably connected to the roller group bracket 402 and can be prevented from falling off.

[0031] The battery pack 3 has a taper, and the size of the top surface of the battery pack 3 is slightly smaller than the size of the bottom surface, so it is in the shape of a quadrangular pyramid. The bottom of the battery pack 3 is provided with a protruding lip 301, and the lip 301 is provided with a threaded hole. The roller bar 4 of the battery pack 3 is detachably mounted on the battery pack mounting bracket 2. The front and rear ends of the battery pack mounting bracket 2 are welded with L-shaped right-angle connecting block fixing plates 201, and the right-angle connecting block fixing plates 201 are connected to the L-shaped right-angle connecting block 202 by bolts, and the right-angle connecting block 202 is fixed to the front and rear ends of the battery pack 3 by bolts. After the battery pack 3 is fixed by the right-angle connecting block 202, there is a gap between the two sides of the top of the battery pack 3 and the columns on the two sides of the battery compartment 101. Between the upper and lower adjacent layers of battery pack mounting brackets 2, the bottom of the upper battery pack mounting bracket 2 is located in the gap between the two sides of the top of the battery pack 3 supported by the lower battery pack mounting bracket 2 and the columns. That is, the position of the upper battery pack mounting bracket 2 can be lowered to a moderate position overlap with the top of the battery pack 3 on the lower battery pack mounting bracket 2, but after being supported by the roller bar 4, the bottom surface of the upper battery pack 3 is still above the top surface of the lower battery pack 3. In this way, the space between the battery pack 3 and the cabinet column can be fully utilized, and the battery pack mounting bracket 2 can be sunk to obtain a more compact battery pack 3 layer spacing, so that more battery packs 3 can be stacked at the same height, making the space utilization rate of the entire energy storage system higher.

[0032] When installing the battery pack 3 in the cabinet 1, the rear end of the battery pack 3 is placed on the roller bar 4 on the battery pack mounting bracket 2 at the bottom layer of the battery compartment 101, and the surface of the roller 401 is in contact with the lower surface of the battery pack 3. The installer lifts the front end of the battery pack 3 and pushes the battery pack 3 inward at the same time. The surface of the roller 401 is in rolling contact with the lower surface of the battery pack 3. When the center of gravity of the battery pack 3 enters the battery compartment 101, there is no need to apply upward force to the front end of the battery pack 3. Continue to push the battery pack 3 horizontally. When the rear end of the battery pack 3 reaches the right-angle connecting block 202 at the rear end of the battery pack mounting bracket 2, or the front end of the battery pack 3 reaches the right-angle connecting block 202 at the front end of the battery pack mounting bracket 2, bolts are passed through the right-angle connecting block 202 and connected to the threaded holes on the lip 301 to fix the battery pack 3 to the right-angle connecting blocks 202 at the front and rear ends of the battery pack mounting bracket 2.

[0033] Embodiment 3:

[0034] An energy storage cabinet includes a cabinet 1 with a cabinet door. A battery pack mounting bracket 2 and a battery pack 3 are arranged in the cabinet 1. The battery pack mounting bracket 2 is a bearing structure of the battery pack 3 and is used to support the battery pack 3. The battery pack 3 is detachably mounted on the battery pack mounting bracket 2. The cabinet 1 is a frame structure composed of columns and beams. The top of the column is connected to a top frame to form the top of the cabinet 1. A lifting ring is installed on the top of the cabinet 1. The top of the column is connected to a bottom frame to form the bottom of the cabinet 1. A ground anchor plate 103 is provided at the bottom of the cabinet 1. The cabinet 1 is divided into a battery compartment 101 and a power distribution compartment 102. There are four columns on both sides of the battery compartment 101. The four columns are arranged in two parallel rows, with two columns in each row and corresponding to each other. Baffles are installed on the two rows of columns to form two side surfaces of the battery compartment 101, and one of the side surfaces forms a partition structure between the battery compartment 101 and the power distribution compartment 102. The battery pack mounting brackets 2 are arranged in layers in the cabinet 1, with a total of six layers. Each layer has two strip-shaped battery pack mounting brackets 2 paired, and the two paired battery pack mounting brackets 2 are symmetrically fixedly installed on the columns on both sides of the battery compartment 101. Each battery pack mounting bracket 2 is vertically intersected and welded with the two columns of each row of columns. The cross section of the battery pack mounting bracket 2 is L-shaped, and the right-angled concave surfaces of each pair of battery pack mounting brackets 2 are opposite. The battery pack mounting bracket 2 is provided with a roller bar 4, and the roller bar 4 on each layer of the battery pack mounting bracket 2 is also symmetrically arranged and contacts the bottom sides of the battery pack 3. The roller bar 4 includes twenty-seven rollers 401 and a pair of roller group brackets 402. Roller shafts are integrally provided at both ends of the rollers 401. Roller shaft holes are evenly distributed on the roller group brackets 402. The roller shafts at both ends of the roller 401 are adapted and inserted into the roller shaft holes on the two roller group brackets 402 one by one, and fixing nuts are installed on the end faces of the roller shafts, so that the rollers 401 are rotatably connected to the roller group brackets 402 and can be prevented from falling off.

[0035] The battery pack 3 has a taper, and the size of the top surface of the battery pack 3 is slightly smaller than the size of the bottom surface, so it is in the shape of a quadrangular pyramid. A protruding lip 301 is provided at the bottom of the battery pack 3, and a threaded hole is provided on the lip 301. The roller bar 4 of the battery pack 3 is detachably mounted on the battery pack mounting bracket 2. An L-shaped right-angle connecting block fixing piece 201 is welded to the front end of the battery pack mounting bracket 2, i.e., the end facing the front of the cabinet 1. A right-angle connecting block 202, also in an L shape, is connected to the right-angle connecting block fixing piece 201 by bolts. The right-angle connecting block 202 is fixed to the front end of the battery pack 3, i.e., the end of the battery pack 3 facing the front of the cabinet 1 by bolts. The rear end of the battery pack 3, i.e., the end of the battery pack 3 facing the back of the cabinet 1, is connected to the battery pack mounting bracket 2 by an elastic pressing block 203. The elastic pressing block 203 is also L-shaped, formed by integrally bending an elastic steel sheet, and has a rear baffle and an upper pressing plate. Under normal conditions, the rear baffle and the upper pressing plate form an angle of about 90°. A connecting plate is integrally provided at the bottom end of the rear baffle. Under normal conditions, the connecting plate and the rear baffle also form an angle of about 90°. A guide plate is integrally provided at the free end of the upper pressing plate, and the guide plate is inclined upward. After the battery pack 3 is fixed by the right-angle connecting block 202 and the elastic pressing block 203, there is a gap between the two sides of the top of the battery pack 3 and the columns on both sides of the battery compartment 101. Between the upper and lower adjacent layers of battery pack mounting brackets 2, the bottom of the upper battery pack mounting bracket 2 is located in the gap between the two sides of the top of the battery pack 3 supported by the lower battery pack mounting bracket 2 and the columns. That is, the position of the upper battery pack mounting bracket 2 can be lowered to a moderate position overlap with the top of the battery pack 3 on the lower battery pack mounting bracket 2, but after being supported by the roller bar 4, the bottom surface of the upper battery pack 3 is still above the top surface of the lower battery pack 3. In this way, the space between the battery pack 3 and the cabinet column can be fully utilized, and the battery pack mounting bracket 2 can be sunk to obtain a more compact battery pack 3 layer spacing, so that more battery packs 3 can be stacked at the same height, making the space utilization rate of the entire energy storage system higher.

[0036] When installing the battery pack 3 in the cabinet 1, the rear end of the battery pack 3 is placed on the roller bar 4 on the battery pack mounting bracket 2 at the bottom of the battery compartment 101. The surface of the roller 401 contacts the lower surface of the battery pack 3. The installer lifts the front end of the battery pack 3 and pushes the battery pack 3 inward at the same time. The surface of the roller 401 rolls and contacts the lower surface of the battery pack 3. When the center of gravity of the battery pack 3 enters the battery compartment 101, there is no need to apply an upward force to the front end of the battery pack 3. The battery pack 3 continues to be pushed horizontally. When the rear end of the battery pack 3 reaches the elastic pressure block 203, the rear end of the battery pack 3 presses the guide plate, driving the upper pressure plate to open. The rear end of the battery pack 3 gradually enters the angle area between the upper pressure plate and the rear baffle. The rebound of the upper pressure plate causes the upper pressure plate to clamp the top surface of the battery pack 3. When the rear end of the battery pack 3 hits the rear baffle, the battery pack 3 cannot be pushed further. At this time, a bolt is passed through the right-angle connection block 202 and connected to the threaded hole on the lip 301.

Claims

1. An energy storage cabinet, comprising a cabinet body (1), wherein a battery pack mounting bracket (2) and a battery pack (3) supported by the battery pack mounting bracket (2) are arranged in the cabinet body (1), wherein the battery pack A roller bar (4) is provided on the mounting bracket (2), the roller bar (4) contacts two sides of the bottom of the battery pack (3), a right-angle connecting block fixing sheet (201) is provided on the battery pack mounting bracket (2), a right-angle connecting block (202) is connected to the right-angle connecting block fixing sheet (201) via bolts, and the right-angle connecting block (202) is fixed to at least one end of the battery pack (3) via bolts.

2. The energy storage cabinet according to claim 1, characterized in that: A battery compartment (101) is provided in the cabinet (1), and columns are provided on both sides of the battery compartment (101). A battery pack mounting bracket (2) is mounted on the columns, and in upper and lower adjacent battery pack mounting brackets (2), the bottom of the upper battery pack mounting bracket (2) is located in the gap between the two sides of the top of the battery pack (3) supported by the lower battery pack mounting bracket (2) and the columns.

3. The energy storage cabinet according to claim 1, characterized in that: The roller bar (4) comprises a roller (401) and a roller assembly bracket (402), and the roller (401) is rotatably connected to the roller assembly bracket (402).

4. The energy storage cabinet according to claim 1, characterized in that: The roller bar (4) is detachably mounted on the battery pack mounting bracket (2).

5. The energy storage cabinet according to claim 1, characterized in that: One end of the battery pack (3) is connected to the battery pack mounting bracket (2) via a right-angle connecting block (202), and the other end of the battery pack (3) is connected to the battery pack mounting bracket (2) via an elastic pressing block (203).

6. The energy storage cabinet according to claim 1, characterized in that: The bottom of the battery pack (3) is provided with a protruding lip edge (301).

7. The energy storage cabinet according to any one of claims 1 to 6, characterized in that: A ground fixing plate (103) is provided at the bottom of the cabinet body (1).

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