Liquid-cooled battery plug-in box for energy storage

Abstract

The utility model relates to the technical field of energy storage batteries, in particular to a liquid cooling battery plug-in box for storing energy, which comprises a bottom box, the bottom box is used for placing an energy storage battery, an upper cover is arranged at the upper end of the bottom box, a front end plate is arranged at the front end of the bottom box, a rear end plate is arranged at the rear end of the bottom box, and a liquid cooling pipeline is arranged at the bottom of the bottom box. The liquid cooling pipeline is flatly laid in the bottom box in a mouth shape, a water inlet and a water outlet are formed in the tail end of the liquid cooling pipeline, and the water inlet and the water outlet are formed in the two sides of the front end plate; according to the utility model, the liquid cooling pipelines are uniformly distributed in the bottom of the bottom box, and the cooling liquid in the liquid cooling pipelines is uniformly distributed, so that the phenomenon of non-uniform temperature of the cooling liquid in different areas can be effectively prevented, the risk of local overheating of the battery module is reduced, and the performance and the safety of the battery module are improved; and the two L-shaped aluminum plates are welded through a friction welding process, so that the welding quality is good, efficient and stable, and the requirements of the box body are completely met.

Description

Technical Field

[0001] The utility model relates to the technical field of energy storage batteries, in particular to a liquid-cooled battery plug-in box for energy storage. Background Art

[0002] As the energy density of batteries increases, the heat dissipation requirements of battery boxes have also become greater challenges. Liquid cooling has gradually become the mainstream solution for thermal management. Most of the existing liquid cooling boxes are welded with bottom plates and side plates. However, compared with the one-step forming by stamping, the side welding structure is less integrated, which affects the overall structural strength of the box and also has a certain impact on the protection performance. Summary of the invention

[0003] According to the problems raised in the background technology, the utility model provides a liquid-cooled battery plug-in box for energy storage to solve the problems. The utility model will be further described below.

[0004] A liquid-cooled battery plug-in box for energy storage, comprising a bottom box, the bottom box is used to place energy storage batteries, an upper cover is provided at the upper end of the bottom box, a front end plate is provided at the front end of the bottom box, a rear end plate is provided at the rear end of the bottom box, a liquid cooling pipe is provided at the bottom of the bottom box, the liquid cooling pipe is laid flat in the bottom box in an opening shape, a water inlet and a water outlet are provided at the end of the liquid cooling pipe, and the water inlet and the water outlet are arranged on both sides of the front end plate;

[0005] Preferably, the upper edges of the bottom box and the upper cover are both provided with flanges turned outward, and a plurality of mounting holes are evenly arranged on the flanges, and are fixed by bolts;

[0006] Preferably, the contact surface between the bottom box and the upper cover is provided with a dustproof and waterproof rubber pad;

[0007] Preferably, the bottom box is made of two L-shaped extruded aluminum plates welded together by friction welding;

[0008] Preferably, the side of the bottom box is provided with four hooks for hoisting, and the hooks are in an inverted V shape;

[0009] Preferably, a power management module is provided on the front end board;

[0010] Preferably, the liquid cooling pipeline has a total of multiple vertical channels separated by grilles;

[0011] Preferably, the bottom of the front and rear sides of the bottom box are provided with positioning bars to fix the battery module;

[0012] Preferably, a thermally conductive silicone pad is provided at the bottom of the bottom box;

[0013] Preferably, the coolant used in the liquid cooling pipeline is a mixed liquid of 50% ethylene glycol and 50% distilled water;

[0014] Beneficial effects: Compared with the prior art, the liquid cooling pipes of the utility model are evenly distributed in the bottom of the bottom box, and the coolant therein is evenly distributed, which can effectively prevent the phenomenon of uneven coolant temperature in different areas, reduce the risk of local overheating of the battery module, and improve the performance and safety of the battery module; and the two L-shaped aluminum plates are welded by friction welding process, with good welding quality, high efficiency and stability, which fully meets the requirements of this box. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 : Schematic diagram of the structure of the utility model;

[0016] Figure 2 : The utility model Figure 1 Schematic diagram of the structure with the upper cover 2 removed;

[0017] Figure 3 : Schematic diagram of the liquid cooling pipeline structure of the utility model;

[0018] In the figure: bottom box 1, upper cover 2, front end plate 3, hook 4, power management module 5, positioning bar 6, rear end plate 7, flange edge 8, water inlet 9, water outlet 10, liquid cooling pipe 11; DETAILED DESCRIPTION

[0019] Next, combine with Figure 1-3 A specific embodiment of the utility model is described in detail.

[0020] A liquid-cooled battery plug-in box for energy storage, comprising a bottom box 1, the bottom box 1 is used to place energy storage batteries, an upper cover 2 is provided at the upper end of the bottom box 1, a front end plate 3 is provided at the front end of the bottom box 1, a rear end plate 7 is provided at the rear end of the bottom box 1, a liquid cooling pipe 11 is provided at the bottom of the bottom box 1, the liquid cooling pipe 11 is laid flat in the bottom box 1 in an opening shape, a water inlet 9 and a water outlet 10 are provided at the ends of the liquid cooling pipe 11, and the water inlet and the water outlet are arranged on both sides of the front end plate 3;

[0021] The upper edges of the bottom box 1 and the upper cover 2 are both provided with outwardly turned flange edges 8, and the flange edges 8 are evenly provided with a plurality of mounting holes and fixed by bolts;

[0022] The contact surface between the bottom box 1 and the upper cover 2 is provided with a dustproof and waterproof rubber pad to ensure the sealing of the box body and effectively prevent dust from entering the box body;

[0023] The bottom box 1 is made of two L-shaped extruded aluminum plates welded together by friction welding. Compared with traditional welding, friction welding forms a smaller weld, with stable welding quality and high dimensional accuracy, which ensures the flatness and sealing of the bottom box and improves the integrity and strength of the box body.

[0024] The bottom box 1 is provided with four hooks 4 for hoisting on the side, and the hooks 4 are in an inverted V shape to facilitate transportation and installation;

[0025] A power management module 5 is provided on the front end board 3;

[0026] The liquid cooling pipe 11 has a total of multiple vertical channels; separated by grids, the pipes are interconnected, so that the flow rate of the coolant meets the cooling requirements, ensuring uniform heat dissipation of the liquid cooling plate;

[0027] The bottom of the bottom box 1 is provided with positioning bars 6 at both the front and rear sides to fix the battery module, and also to support the two sides of the bottom box to increase the strength of the box;

[0028] A thermally conductive silicone pad is provided at the bottom of the bottom box 1 to effectively conduct heat, making the heat dissipation more uniform and faster;

[0029] The coolant used in the liquid cooling pipe 11 is a mixture of 50% ethylene glycol and 50% distilled water, which has a significant cooling effect and is relatively stable in nature;

[0030] Compared with the prior art, the liquid cooling pipes of the utility model are evenly distributed in the bottom of the bottom box, and the coolant therein is evenly distributed, which can effectively prevent the phenomenon of uneven coolant temperature in different areas, reduce the risk of local overheating of the battery module, and improve the performance and safety of the battery module; and the two L-shaped aluminum plates are welded by friction welding process, with good welding quality, high efficiency and stability, which fully meets the requirements of this box.

[0031] The above description is only the preferred embodiment of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A liquid-cooled battery box for energy storage, Features: The invention comprises a bottom box (1), wherein the bottom box (1) is used to place energy storage batteries, an upper cover (2) is provided at the upper end of the bottom box (1), a front end plate (3) is provided at the front end of the bottom box (1), a rear end plate (7) is provided at the rear end of the bottom box (1), a liquid cooling pipe (11) is provided at the bottom of the bottom box (1), the liquid cooling pipe (11) is laid flat in the bottom box (1) in an opening shape, a water inlet (9) and a water outlet (10) are provided at the ends of the liquid cooling pipe (11), and the water inlet and the water outlet are arranged on both sides of the front end plate (3).

2. A liquid-cooled battery box for energy storage according to claim 1, Features: The upper edges of the bottom box (1) and the upper cover (2) are both provided with flange edges (8) turned outwards, and the flange edges (8) are evenly provided with a plurality of mounting holes and are fixed by bolts.

3. A liquid-cooled battery box for energy storage according to claim 2, Features: The contact surface between the bottom box (1) and the upper cover (2) is provided with a dustproof and waterproof rubber pad.

4. A liquid-cooled battery plug-in box for energy storage according to claim 1, Features: The bottom box (1) is made of two L-shaped extruded aluminum plates welded together by a friction welding process.

5. A liquid-cooled battery plug-in box for energy storage according to claim 1, Features: Four hooks (4) for hoisting are arranged on the side of the bottom box (1), and the hooks (4) are in an inverted V shape.

6. A liquid-cooled battery box for energy storage according to claim 1, Features: A power management module (5) is provided on the front end panel (3).

7. A liquid-cooled battery plug-in box for energy storage according to claim 1, Features: The liquid cooling pipeline (11) has a total of multiple vertical channels separated by grids.

8. A liquid-cooled battery plug-in box for energy storage according to claim 1, Features: Positioning horizontal bars (6) are provided at the bottom of both the front and rear sides of the bottom box (1) to fix the battery module.

9. A liquid-cooled battery plug-in box for energy storage according to claim 1, Features: A heat-conducting silica gel pad is provided at the bottom of the bottom box (1).

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