Energy storage battery rack

Abstract

The utility model discloses an energy storage battery rack which comprises a battery rack body used for placing a plurality of energy storage battery packs, the battery rack body comprises a vertically arranged battery rack stand column and a plurality of battery rack supporting plate assemblies detachably arranged on the battery rack stand column, and the plurality of battery rack supporting plate assemblies are arranged at intervals in the height direction of the battery rack stand column; the battery rack supporting plate assembly comprises two supporting plate components which are oppositely arranged in a spaced mode in the horizontal direction, and the two supporting plate components support the two ends of the energy storage battery pack respectively; the supporting plate component is formed by fixedly connecting an upper supporting plate and a lower supporting plate, the surface of the upper supporting plate is covered with a sliding coating, and a reinforcing structure is arranged on the lower supporting plate. The upper supporting plate with the surface provided with the sliding coating directly makes contact with the energy storage battery pack, friction force between the bottom face of the energy storage battery pack and the surface of the supporting component can be reduced, a special tool clamp is not needed when the energy storage battery pack is moved, and the difficulty of installing the energy storage battery pack is effectively reduced.

Description

Technical Field

[0001] This utility model relates to the field of lithium-ion battery technology, and in particular to an energy storage battery rack. Background Technology

[0002] Electrochemical energy storage is a new type of power energy storage technology that has developed rapidly in recent years. It has the characteristics of long life, high efficiency, fast dynamic response speed, no geographical restrictions, and variable energy storage duration. At present, electrochemical energy storage technology is widely used in various application scenarios such as power generation, grid and user sides.

[0003] Lithium-ion energy storage is a core technology of electrochemical energy storage. Lithium-ion batteries possess technological advantages such as high power, high energy density, long cycle life, no memory effect, and no pollution, making them suitable for various harsh and high-performance environments. The main equipment form of lithium-ion energy storage is various types of lithium-ion battery packs. These packs are installed within battery racks to form battery clusters, which are then installed inside containers or various cabinets to form energy storage equipment. Due to the large size and weight of individual energy storage battery packs, and limitations imposed by the structure of the battery racks, the installation and maintenance of energy storage battery packs often require specialized tooling fixtures or transport equipment, making the process quite challenging.

[0004] Chinese utility model patent document CN221407530U discloses a battery rack for an energy storage container. The technical solution includes columns, beams, battery modules, and brackets. The beams are fixedly connected between the columns to form a cluster. Several brackets are evenly installed on the cluster from top to bottom. A guide block is fixedly connected in the middle of each bracket. The guide block is shaped like a "Z" and has a pressing part and a guiding part. During the battery module pushing and installation process, the guiding part guides the module, and the pressing part presses and limits its position. This effectively guides and limits the battery module during installation, allowing installers to easily see the module in place. Combined with a bending section, it provides excellent fixation to the bottom of the battery module. Multiple sets of ball bearings create rolling friction on the bracket, making the battery module installation more convenient and labor-saving. This effectively solves the problems of time-consuming and labor-intensive adjustments and inconvenient installation associated with the original bracket structure.

[0005] The aforementioned patent's technical solution reduces the difficulty of installing and adjusting the battery module by setting multiple sets of rollers on the battery holder bracket to form a rolling engagement with the battery module. However, it requires setting a large number of rollers on the bracket, resulting in a more complex structure. Furthermore, after the battery module is installed, the multiple sets of rollers will create multiple small stress points on the bottom of the battery module, which can easily lead to damage to the bottom of the battery module due to uneven stress. Utility Model Content

[0006] The technical problem to be solved by this utility model is to provide an energy storage battery rack with a simple structure, relatively balanced force, and easy movement of the battery pack.

[0007] To solve the above-mentioned technical problems, the technical solution adopted by this utility model is: an energy storage battery rack, including a battery rack body for placing multiple energy storage battery packs, the battery rack body including a vertically arranged battery rack column, and multiple battery rack support plate assemblies detachably arranged on the battery rack column, the multiple battery rack support plate assemblies being spaced apart along the height direction of the battery rack column; the battery rack support plate assembly includes two support plate members spaced apart and arranged opposite each other in the horizontal direction, the two support plate members respectively supporting the two ends of the energy storage battery pack; the support plate member is composed of an upper support plate and a lower support plate fixedly connected, the surface of the upper support plate is covered with a sliding coating, and the lower support plate is provided with a reinforcing structure.

[0008] As an improvement to the above solution: both the upper support plate and the lower support plate are bent plate structures with two bends. The upper support plate and the lower support plate are fixedly connected through one of the bends, and the upper support plate and the lower support plate are fixedly connected to the battery rack column through the other bend.

[0009] As an improvement to the above solution: a limit baffle is fixedly provided at one end of the upper support plate, and a battery pack locking structure is also provided on the upper support plate; a plurality of waist-shaped holes are provided on the bent part where the upper support plate connects to the battery rack column, which are arranged at intervals along the length direction of the upper support plate.

[0010] As an improvement to the above solution: the battery pack locking structure includes at least two locking plates movably disposed on the upper support plate, and the at least two locking plates are arranged at intervals along the length direction of the upper support plate; the locking plate includes a connecting part that cooperates with the upper support plate and a pressing part that cooperates with the energy storage battery pack, and the connecting part and the pressing part are formed by bending the locking plate.

[0011] As an improvement to the above solution: the connecting part of the locking plate can be raised and lowered on the upper support plate, and a return spring is also connected between the connecting part of the locking plate and the upper support plate.

[0012] As an improvement to the above solution: the connecting part of the locking plate is rotatably mounted on the upper support plate, and a reset torsion spring is also connected between the connecting part of the locking plate and the upper support plate; the two locking plates on the upper support plate rotate in opposite directions.

[0013] As an improvement to the above solution, the side of the locking plate that mates with the energy storage battery pack is covered with a flexible protective layer.

[0014] As an improvement to the above solution, the flexible protective layer is foam.

[0015] As an improvement to the above solution: the reinforcing structure on the lower support plate consists of multiple reinforcing ribs arranged at intervals along the length of the lower support plate; the reinforcing ribs are triangular ribs, and the two sides of the triangular ribs are respectively fixedly connected to the two bent parts of the lower support plate.

[0016] As an improvement to the above solution, a textured layer is also provided between the sliding coating and the surface of the upper support plate.

[0017] The beneficial effects of this utility model are as follows: By improving the structure of the energy storage battery rack, this utility model sets up multiple battery rack support plate assemblies composed of two support plate components to support the energy storage battery pack. The upper support plate, with a sliding coating on its upper surface, directly contacts the energy storage battery pack, reducing the coefficient of friction on the upper support plate surface. This reduces the friction between the bottom surface of the energy storage battery pack and the surface of the supporting components, allowing the energy storage battery pack to be pushed in or pushed out by sliding. No special tooling or fixtures are needed when moving the energy storage battery pack, effectively reducing the difficulty of installing the energy storage battery pack. Furthermore, the surface of the energy storage battery pack is in complete contact with the surface of the upper support plate. Compared to a rolling contact method, this utility model can increase the contact area between the energy storage battery pack and the supporting components, thereby effectively improving the uniformity of force on the bottom of the energy storage battery pack and enhancing the stability of the energy storage battery pack after installation. The structure of this utility model is simple, effectively reducing the production cost of the energy storage battery rack. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the structure of this utility model;

[0019] Figure 2 This is a structural schematic diagram of the pallet component in this utility model;

[0020] Figure 3 This is a side sectional view of the upper support plate in this utility model;

[0021] Figure 4 This is a schematic diagram of the texture layer in this utility model.

[0022] The markings in the diagram are: 100-energy storage battery pack, 200-battery rack column, 300-battery rack support plate assembly, 410-upper support plate, 411-sliding coating, 412-limiting baffle, 413-locking plate, 414-flexible protective layer, 415-textured layer, 420-lower support plate. Detailed Implementation

[0023] To facilitate understanding of this utility model, the following description, in conjunction with the accompanying drawings, will provide further details.

[0024] In the description of this utility model, it should be noted that the terms "front", "rear", "left", "right", "up", "down", "inner", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of description and do not indicate or imply that the device or component referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0025] like Figure 1 As shown, the main body of the energy storage battery rack disclosed in this utility model is the battery rack body, which consists of battery rack columns 200 and battery rack support plate assemblies 300. The battery rack columns 200 are composed of four rectangular tubes arranged in a rectangle and connected and fixed by connecting crossbars. There are multiple battery rack support plate assemblies 300, which are spaced apart along the height direction of the battery rack columns 200 and detachably connected to the battery rack columns 200. The battery rack support plate assemblies 300 and the battery rack columns 200 are connected and fixed by the cooperation of nuts and studs. The nuts can be press-fit nuts to achieve stable fixation on the battery rack columns 200. The cooperation of press-fit nuts and studs also facilitates the adjustment of the installation position of the battery rack support plate assemblies 300 on the battery rack columns 200, so that the energy storage battery rack of this utility model can be used to install energy storage battery packs 100 of different heights.

[0026] Specifically, such as Figure 1 and Figure 2 As shown, the battery rack support assembly 300 used in this utility model consists of two support plate components. These two components are horizontally spaced and opposite to each other. The two support plate components are detachably connected to the battery rack columns 200 located on both sides of the battery rack body, and each support plate component supports both ends of the energy storage battery pack 100. Each support plate component is fixedly connected to an upper support plate 410 and a lower support plate 420. The upper support plate 410 supports the energy storage battery pack 100, and the lower support plate 420 has a reinforcing structure for supporting and reinforcing the upper support plate 410. To reduce the installation difficulty of the energy storage battery pack 100, this utility model uses a pushing and moving method to install the energy storage battery pack 100 on the battery rack body. Figure 3As shown, a sliding coating 411 is coated on the surface of the upper support plate 410. The sliding coating 411 reduces the friction between the bottom surface of the energy storage battery pack 100 and the surface of the upper support plate 410. The sliding coating 411 is made of 5-15 parts of acrylic resin, 20-30 parts of polytetrafluoroethylene, 10-25 parts of nano-sized ceramic oxide, 5-10 parts of methyl silicone oil, 1-4 parts of curing agent and 70-100 parts of organic solvent. The coating thickness of the sliding coating 411 is 1 mm, its surface roughness is limited to 0.5 μm, and its coefficient of friction is ≤0.03. The sliding coating 411 not only has a low coefficient of friction but also good wear resistance. This invention achieves the movement of the energy storage battery pack 100 through the sliding fit between the energy storage battery pack 100 and the pallet component. Whether the energy storage battery pack 100 is pushed in for installation or pushed out for maintenance, no special clamps or transport equipment are required, thereby effectively reducing the difficulty of moving the energy storage battery pack 100.

[0027] Furthermore, in order to improve the installation stability of the energy storage battery pack 100 and the connection strength between the battery rack support assembly 300 and the battery rack column 200, such as Figure 2 As shown, the upper support plate 410 and lower support plate 420 used in this utility model are both bent plate structures. The upper support plate 410 and lower support plate 420 are long strip plates that are bent along their length to form two bent portions. The upper support plate 410 and lower support plate 420 are welded and fixed together through one of the bent portions, while the other bent portion is detachably fixed to the battery rack column 200 through studs. By adopting the bent structure of the upper support plate 410 and lower support plate 420, the contact area between the support plate components and the battery rack column 200 can be increased, thereby improving the connection strength and stability between the support plate components and the battery rack column 200. At the same time, a more robust connection can be formed between the upper support plate 410 and lower support plate 420. The reinforcing structure on the lower support plate 420 consists of multiple reinforcing ribs arranged at intervals along the length of the lower support plate 420; the reinforcing ribs are triangular ribs, and the two sides of the triangular ribs are welded to the two bent parts of the lower support plate 420 to form a fixed connection.

[0028] The battery rack column 200 in this utility model is made of cold-drawn rectangular tubing of SGCC material; the base material of the upper support plate 410 is 12Cr17Mn6Ni5N stainless steel, and after bending, the upper support plate 410 undergoes shot peening to achieve a surface roughness range of 3μm to 6μm; the base material of the lower support plate 420 is also 12Cr17Mn6Ni5N stainless steel, achieving a surface roughness range of 3μm to 6μm after shot peening, and is then powder coated. Furthermore, as... Figure 3As shown, a textured layer 415 is also provided between the surface of the upper support plate 410 and the sliding coating 411; a textured layer 415 is formed on the surface of the upper support plate 410 by laser processing or electrochemical means. Figure 4 The textured structure shown has a textured layer 415 with a height of no more than 10 μm. By setting the textured layer 415, the sliding coating 411 coated on the surface of the upper bracket 410 has sufficient peel strength, resulting in stronger overall wear resistance.

[0029] This utility model, by employing an upper support plate 410 with a bent plate structure, can limit the energy storage battery pack 100 by having two support plate components respectively forming a limiting position on both sides of the energy storage battery pack 100, thereby preventing the energy storage battery pack 100 from tilting left or right after installation; at the same time, as Figure 2 As shown, this invention also provides a limiting baffle 412 at one end of the upper support plate 410. The energy storage battery pack 100 is pushed in from the other end of the upper support plate 410 where the limiting baffle 412 is not provided. The limiting baffle 412 can form a limiting block at the tail end of the energy storage battery pack 100. Combined with the limiting effect of the two bent parts of the upper support plate 410 on both sides of the energy storage battery pack 100, this invention can achieve three-way limiting of the energy storage battery pack 100, thereby effectively improving the stability of the energy storage battery pack 100 after installation. In addition, multiple oblong holes can be provided on the bent part where the upper support plate 410 connects to the battery rack column 200, which are arranged at intervals along the length direction of the upper support plate 410. The oblong holes serve as mating holes for the screws between the support plate component and the battery rack column 200. The horizontal fixed position of the support plate component on the battery rack column 200 can be adjusted by the movement of the screws in the oblong holes.

[0030] After the energy storage battery pack 100 is pushed into the energy storage battery rack, this utility model can also lock the energy storage battery pack 100 through the battery pack locking structure provided on the upper support plate 410, so as to fix the energy storage battery pack 100 onto the battery rack support plate assembly 300. Specifically, as shown in the figure... Figure 2As shown, the battery pack locking structure includes at least two locking plates 413 movably disposed on the upper support plate 410, with the at least two locking plates 413 arranged at intervals along the length direction of the upper support plate 410. Each locking plate 413 includes a connecting portion that mates with the upper support plate 410 and a pressing portion that mates with the energy storage battery pack 100. The connecting portion and the pressing portion are formed by bending the locking plate 413. The connecting portion of the locking plate 413 is used to install the entire locking plate 413 onto the upper support plate 410, and the pressing portion of the locking plate 413 is used to press the mating parts on the energy storage battery pack 100 to achieve fixation of the energy storage battery pack 100. Specifically, the battery pack locking structure of this utility model can adopt two implementation structures. In the first embodiment, the connecting part of the locking plate 413 is elliptical and movably mounted on the upper support plate 410, and a return spring is connected between the connecting part of the locking plate 413 and the upper support plate 410. In this embodiment, the connecting part of the locking plate 413 can be connected to the cylindrical structure fixed on the upper support plate 410 in the form of a pin, and the pin and the cylindrical structure are connected by a return spring. During the process of pushing in the energy storage battery pack 100, the pin is pulled out. After the energy storage battery pack 100 moves into place, the pin is put down, and the spring force of the return spring is used to press the clamping part against the mating part of the energy storage battery pack 100. In the second embodiment, the connecting part of the locking plate 413 is rotatably mounted on the upper support plate 410. A reset torsion spring is also connected between the connecting part of the locking plate 413 and the upper support plate 410. The two locking plates 413 on the upper support plate 410 rotate in opposite directions. In this embodiment, the connecting part of the locking plate 413 can be formed in the form of a rotating shaft and rotate with the cylindrical structure fixed on the upper support plate 410. The rotating shaft and the cylindrical structure are connected by a reset torsion spring. The two locking plates 413 rotate in opposite directions. During the process of pushing in the energy storage battery pack 100, the clamping part is rotated to move outside the movement path of the energy storage battery pack 100. After the energy storage battery pack 100 moves into place, the clamping part is rotated to press against the mating part of the energy storage battery pack 100. The energy storage battery pack 100 is clamped by the rebound force of the reset torsion springs in the two locking plates 413.

[0031] Furthermore, in addition to using a battery pack locking structure to lock the energy storage battery pack 100, to avoid damage to the energy storage battery pack 100, such as... Figure 2 As shown, a flexible protective layer 414 can be provided on the side of the locking plate 413 that cooperates with the energy storage battery pack 100; the flexible protective layer 414 is made of foam material.

Claims

1. An energy storage battery rack, comprising a battery rack body for placing multiple energy storage battery packs (100), the battery rack body including vertically arranged battery rack columns (200), characterized in that: It also includes multiple battery rack support plate assemblies (300) that are detachably mounted on the battery rack column (200). The multiple battery rack support plate assemblies (300) are spaced apart along the height direction of the battery rack column (200). Each battery rack support plate assembly (300) includes two support plate members that are spaced apart and arranged opposite each other in the horizontal direction. The two support plate members support the two ends of the energy storage battery pack (100) respectively. The support plate members are fixedly connected by an upper support plate (410) and a lower support plate (420). The surface of the upper support plate (410) is covered with a sliding coating (411), and the lower support plate (420) is provided with a reinforcing structure.

2. The energy storage battery rack as described in claim 1, characterized in that: Both the upper support plate (410) and the lower support plate (420) are bent plate structures with two bends. The upper support plate (410) and the lower support plate (420) are fixedly connected through one of the bends, and the upper support plate (410) and the lower support plate (420) are fixedly connected to the battery rack column (200) through the other bend.

3. The energy storage battery rack as described in claim 2, characterized in that: A limit baffle (412) is fixedly provided at one end of the upper support plate (410), and a battery pack locking structure is also provided on the upper support plate (410); a plurality of waist-shaped holes are provided on the bent part of the upper support plate (410) connected to the battery rack column (200) along the length direction of the upper support plate (410).

4. The energy storage battery rack as described in claim 3, characterized in that: The battery pack locking structure includes at least two locking plates (413) movably disposed on the upper support plate (410), and the at least two locking plates (413) are arranged at intervals along the length direction of the upper support plate (410); the locking plate (413) includes a connecting part that cooperates with the upper support plate (410) and a pressing part that cooperates with the energy storage battery pack (100), and the connecting part and the pressing part are formed by bending the locking plate (413).

5. The energy storage battery rack as described in claim 4, characterized in that: The connecting part of the locking plate (413) can be raised and lowered on the upper support plate (410), and a return spring is also connected between the connecting part of the locking plate (413) and the upper support plate (410).

6. The energy storage battery rack as described in claim 4, characterized in that: The connecting part of the locking plate (413) is rotatably mounted on the upper support plate (410), and a reset torsion spring is also connected between the connecting part of the locking plate (413) and the upper support plate (410); the two locking plates (413) on the upper support plate (410) rotate in opposite directions.

7. The energy storage battery rack as described in claim 4, characterized in that: The side of the locking plate (413) that mates with the energy storage battery pack (100) is covered with a flexible protective layer (414).

8. The energy storage battery rack as described in claim 7, characterized in that: The flexible protective layer (414) is foam.

9. The energy storage battery rack as described in claim 1, characterized in that: The reinforcing structure on the lower support plate (420) consists of multiple reinforcing ribs arranged at intervals along the length of the lower support plate (420); the reinforcing ribs are triangular ribs, and the two sides of the triangular ribs are respectively fixedly connected to the two bent parts of the lower support plate (420).

10. The energy storage battery rack as described in claim 1, characterized in that: A textured layer (415) is also provided between the sliding coating (411) and the surface of the upper support plate (410).

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