Liquid cooling energy storage container cluster-level frame

Abstract

The utility model discloses a liquid cooling energy storage container cluster-level frame which comprises an outer frame, a plurality of stand columns are arranged in the outer frame, a plurality of pack supports are evenly distributed on the two sides of every two stand columns, the liquid cooling energy storage container cluster-level frame comprises an upper bending piece and a lower bending piece, one end of the upper bending piece and one end of the lower bending piece are in a sharp corner shape, a flanging clamping piece is arranged on the side wall of the upper bending piece, and the flanging clamping piece is arranged on the side wall of the lower bending piece. The stand column is provided with a clamping groove corresponding to the position of the flanging clamping piece, the flanging clamping piece can be clamped into the clamping groove, and therefore the pack support is fixed to the stand column in advance. The battery pack fixing device is simple in structure and novel in design, the pack support is used for fixing the battery pack, the double-L-shaped bent reversely-assembled pack support is adopted for reinforcing the supporting strength and stability, meanwhile, the occupied space can be reduced, the flanging clamping pieces, the limiting pieces and the bent stop blocks are adopted for fixing in a matched mode, limiting of the battery pack in the whole loading and transporting process is achieved, and stability in the transporting process is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of energy storage lithium battery system equipment, in particular to a liquid-cooled energy storage container cluster-level frame. Background Art

[0002] Nowadays, the capacity of battery cells and the energy of a single module package are gradually increasing, and the pack weight has also repeatedly broken through the previous record. This provides more feasibility for installing a battery system with greater energy in a 20-foot container. As a carrier of lithium battery system energy storage system, energy storage container has the advantages of convenient transportation, flexible configuration, time saving and high efficiency.

[0003] The increase in lithium battery energy storage capacity is accompanied by an increase in overall weight, and the current domestic mainstream transportation requirements for full loading and transportation also pose higher challenges to the strength requirements and installation process of the container body. The current installation method of the energy storage pack and the battery rack is relatively complicated, and the safety protection is not in place. If the battery pack and the box are transported separately, the transportation cost will increase, and the on-site installation and debugging will generate new costs and time consumption. Summary of the invention

[0004] The purpose of the present invention is to provide a cluster-level frame for a liquid-cooled energy storage container to solve the problems raised in the above-mentioned background technology. To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a cluster-level frame for a liquid-cooled energy storage container, comprising an outer frame, a plurality of columns are arranged in the outer frame, and a plurality of pack brackets are arranged on both sides of every two columns, including an upper bending part and a lower bending part, one end of each of the upper bending part and the lower bending part is pointed, a flanged clamp is provided on the side wall of the upper bending part, and a slot corresponding to the position of the flanged clamp is provided on the column, and the flanged clamp can be inserted into the slot, thereby pre-fixing the pack bracket on the column.

[0005] Preferably, the pack left bracket is located on the left side of the column, and the pack right bracket is located on the right side of the column, and the pack left bracket and the pack right bracket have the same structure.

[0006] Preferably, the outer frame is composed of a top frame, a bottom frame and a door vertical beam to form a rectangular parallelepiped.

[0007] Preferably, a plurality of pack top cross beams are evenly distributed along the length direction of the top frame, and a plurality of pack bottom cross beams are evenly distributed along the length direction of the bottom frame, the positions of the pack top cross beams and the pack bottom cross beams correspond one to one, and the columns are arranged between the pack top cross beams and the pack bottom cross beams.

[0008] Preferably, the cross-sections of the upper bending piece and the lower bending piece are both L-shaped.

[0009] Preferably, a limiting member is provided at the rear end of the upper bending member.

[0010] A detachable bending stopper is arranged at the front end of the upper bending piece.

[0011] Compared with the prior art, the beneficial effects of the present invention are as follows: the present invention has a novel design, utilizes a reasonable mechanical structure, cleverly brings into play the inherent potential of various elements, uses a pack bracket to fix the battery pack, and adopts a double L-shaped bent and reversely assembled pack bracket to enhance the supporting strength and stability, while reducing space occupancy, and adopts flanged clips, limiters and bent blocks to cooperate and fix, so as to achieve battery pack limitation during assembly and transportation, and ensure stability during transportation. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0013] Figure 2 This is a schematic diagram of the column structure of the utility model;

[0014] Figure 3 This is a schematic diagram of the pack bracket structure in the utility model;

[0015] Figure 4 This is a cross-sectional view of the pack bracket in the utility model;

[0016] Figure 5 This is a schematic diagram of the bending stopper structure in the utility model;

[0017] In the figure, 11-top frame, 12-bottom frame, 13-door vertical beam, 21-pack top cross beam, 22-pack bottom cross beam, 23-column, 31-pack left bracket, 32-pack right bracket, 41-upper bending part, 42-lower bending part, 43-flanging clamp, 44-limiting part, 45-bending stopper. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] See also Figure 1-5The utility model provides a technical solution: a cluster-level frame of a liquid-cooled energy storage container, including an outer frame, which is welded by a top frame 11, a bottom frame 12 and a door vertical beam 13 to form a rectangular parallelepiped, and a plurality of pack top cross beams 21 are evenly distributed in the length direction of the top frame 11, and a plurality of pack bottom cross beams 22 are evenly distributed in the length direction of the bottom frame 12, and the positions of the pack top cross beams 21 and the pack bottom cross beams 22 correspond one to one, and a plurality of columns 23 are arranged between the pack top cross beams 21 and the pack bottom cross beams 22, and the upper ends of the columns 23 are welded and fixed to the pack top cross beams 21, and the lower ends of the columns 23 are welded and fixed to the pack bottom cross beams 22.

[0020] Multiple pack brackets are arranged on both sides of every two columns 23. The pack left bracket 31 is located on the left side of the column 23, and the pack right bracket 32 ​​is located on the right side of the column 23. The pack left bracket 31 and the pack right bracket 32 ​​have the same structure and both include an upper bending part 41 and a lower bending part 42.

[0021] The upper bending piece 41 and the lower bending piece 42 are welded and fixed, and a flanged clamp 43 is provided on the side wall of the upper bending piece 41. A slot corresponding to the position of the flanged clamp 43 is provided on the column 23, and the flanged clamp 43 can be inserted into the slot. The pack bracket can be pre-fixed on the column 23 through the flanged clamp 43 to complete the positioning of the pack bracket. Finally, the pack bracket and the column 23 are fixed by fasteners. The lower bending piece 42 and the column 23 are also fixed by fasteners, which can increase the positioning accuracy of the pack bracket.

[0022] The fasteners may be bolts, and corresponding threaded holes are provided on the upright column 23, the upper bending piece 41 and the lower bending piece 42, and the fasteners are fixed by bolts.

[0023] One end of the upper bending member 41 and the lower bending member 42 are both pointed, which can increase the wiring space and also increase the strength of the bracket structure.

[0024] The cross-sections of the upper bending member 41 and the lower bending member 42 are both L-shaped, which can effectively increase the supporting strength and impact toughness and reduce space occupation.

[0025] A limiting member 44 is provided at the rear end of the upper bending member 41 to limit the battery pack in the up and down directions.

[0026] A detachable bending stopper 45 is provided at the front end of the upper bending member 41. The battery pack is placed between the upper and lower pack brackets. After the battery pack is placed, the bending stopper 45 is installed at the front end of the upper bending member 41 using fasteners to fix the front and rear position of the battery pack.

[0027] By limiting the battery pack up and down and front and back, the battery pack can be limited during packaging and transportation to ensure stability during transportation.

[0028] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A liquid-cooled energy storage container cluster-level framework, comprising an outer frame, characterized in that: A plurality of columns (23) are arranged in the outer frame, and a plurality of pack brackets are arranged on both sides of every two columns (23), including an upper bending piece (41) and a lower bending piece (42), one end of each of the upper bending piece (41) and the lower bending piece (42) are pointed, a flanged clamp (43) is provided on the side wall of the upper bending piece (41), and a clamping groove corresponding to the position of the flanged clamp (43) is provided on the column (23), and the flanged clamp (43) can be clamped into the clamping groove, thereby pre-fixing the pack bracket on the column (23).

2. The liquid-cooled energy storage container cluster-level framework according to claim 1, characterized in that: The pack left bracket (31) is located on the left side of the column (23), and the pack right bracket (32) is located on the right side of the column (23). The pack left bracket (31) and the pack right bracket (32) have the same structure.

3. The liquid-cooled energy storage container cluster-level framework according to claim 1, characterized in that: The outer frame is composed of a top frame (11), a bottom frame (12) and a door vertical beam (13), forming a rectangular parallelepiped.

4. The liquid-cooled energy storage container cluster-level framework according to claim 3, characterized in that: A plurality of pack top cross beams (21) are evenly distributed in the length direction of the top frame (11), and a plurality of pack bottom cross beams (22) are evenly distributed in the length direction of the bottom frame (12), wherein the positions of the pack top cross beams (21) and the pack bottom cross beams (22) correspond one to one, and the upright column (23) is arranged between the pack top cross beams (21) and the pack bottom cross beams (22).

5. The liquid-cooled energy storage container cluster-level framework according to claim 1, characterized in that: The cross-sections of the upper bending piece (41) and the lower bending piece (42) are both L-shaped.

6. The liquid-cooled energy storage container cluster-level framework according to claim 1, characterized in that: A limiting member (44) is provided at the rear end of the upper bending member (41).

7. The liquid-cooled energy storage container cluster-level framework according to claim 1, characterized in that: A detachable bending stopper (45) is provided at the front end of the upper bending piece (41).

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