Energy storage direct cooling box body

By adopting the direct cooling mode energy storage box in the energy storage battery pack, and using aluminum alloy water-cooled plates and reinforced rib frames, the complex and cost problems of liquid cooling system are solved, achieving high-efficiency cooling and low-cost battery cooling effects.

CN223206323UActive Publication Date: 2025-08-08CHANGZHOU HUAXIN ENERGY TECH CO LTD
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Patent Information

Application Number
CN202421986761.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-16
Publication Date
2025-08-08
Estimated Expiration
2034-08-16

AI Technical Summary

Technical Problem

The liquid-cooled cooling system of the existing energy storage battery pack is complex and costly, with high sealing requirements, which affects battery life and safety.

Method used

The energy storage direct cooling box adopts direct cooling mode, and uses a water-cooled plate and reinforcement frame of aluminum alloy material to cool by indirectly transferring battery heat to the refrigerant in the closed circulation cavity to prevent liquid-cooled coolant from flowing in the battery box.

Benefits of technology

It improves cooling efficiency, reduces power consumption, reduces unit operation costs, and improves battery safety and life.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of cooling devices, and particularly relates to an energy storage direct cooling box body which comprises a flat plate direct cooling energy storage lower box body. The flat plate direct cooling energy storage lower box body is provided with a reinforcing rib frame and a water cooling plate; the water-cooling plate is provided with a flat plate body. Water connectors are installed on the side faces of the flat plate body. A runner plate is mounted at the bottom of the flat plate main body; the top of the flat plate body abuts against a module beam. A first screw hole is formed in the flat plate main body; during working, a direct cooling mode is applied to the energy storage battery pack box body, so that the cooling efficiency is improved, and the risk that liquid cooling liquid flows in the battery box is avoided.
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Description

Technical Field

[0001] The utility model belongs to the technical field of cooling devices, in particular to an energy storage direct cooling box. Background Art

[0002] With the rapid development of the energy storage industry, the requirements for the life and safety performance of energy storage batteries are becoming increasingly higher. Thermal runaway of batteries will directly affect the battery life and safety.

[0003] In the current existing technology, battery pack heat dissipation has become a very important technical issue in energy storage batteries. Currently, most traditional battery pack boxes use liquid cooling for heat dissipation.

[0004] The existing energy storage direct cooling box dissipates heat for the battery through liquid convection heat exchange when in use, but the liquid cooling system is complex, the system has high sealing requirements, and the cost is relatively high. Therefore, to address the above problems, an energy storage direct cooling box is proposed. Utility Model Content

[0005] In order to make up for the deficiencies of the prior art and solve at least one technical problem raised in the background art, the present invention proposes an energy storage direct cooling box.

[0006] The technical solution adopted by the present invention to solve its technical problems is: the energy storage direct cooling box described in the present invention includes a flat plate direct cooling energy storage lower box; the flat plate direct cooling energy storage lower box is provided with a reinforcing rib frame and a water cooling plate; the water cooling plate is provided with a flat plate body; a water joint is installed on the side of the flat plate body; a flow channel plate is installed on the bottom of the flat plate body; the top of the flat plate body is abutted against a module crossbeam; the flat plate body is provided with a first screw hole; the flow channel plate is provided with a second screw hole.

[0007] Preferably, the reinforcement rib frame includes a second extruded profile; one end of the second extruded profile is fixedly connected to a third extruded profile; and the other end of the second extruded profile is fixedly connected to the first extruded profile.

[0008] Preferably, a second reinforcing rib is fixedly connected between the first extruded profile and the third extruded profile; and two second reinforcing ribs are provided.

[0009] Preferably, a first reinforcing rib is fixedly connected between the first extruded profile and the third extruded profile.

[0010] Preferably, the reinforcing rib frame is threadedly connected to a first nut through a water-cooling plate; the model of the first nut is an M5 nut.

[0011] Preferably, the module crossbeam is threadedly connected to a second nut through the flat plate body; the model of the second nut is an M6 nut.

[0012] Preferably, the water-cooling plate is made of an aluminum alloy material with a stamped and welded closed cavity.

[0013] Beneficial effects of the utility model:

[0014] 1. The utility model provides an energy storage direct cooling box, which improves the cooling efficiency by applying the direct cooling mode to the energy storage battery pack box and avoids the risk of liquid cooling coolant flowing in the battery box.

[0015] 2. The utility model provides an energy storage direct cooling box, which eliminates the heat conduction in the battery cooler process, reduces power consumption and reduces the operating cost of the unit. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of this application. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the drawings:

[0017] Figure 1 It is an overall three-dimensional diagram of the utility model;

[0018] Figure 2 It is an exploded view of the present utility model;

[0019] Figure 3 It is a three-dimensional diagram of the flat plate body in the utility model;

[0020] Figure 4 It is a three-dimensional diagram of the reinforcing rib in the present utility model.

[0021] Legend:

[0022] 1. Flat plate body; 2. Runner plate; 3. First extruded profile; 4. Second extruded profile; 5. Third extruded profile; 6. First reinforcing rib; 7. Second reinforcing rib; 8. Water joint; 9. First nut; 10. Module crossbeam; 11. Second nut; 12. Water-cooled plate; 13. Reinforcement rib frame; 14. Flat plate direct-cooling energy storage lower box; 15. First screw hole; 16. Second screw hole. DETAILED DESCRIPTION

[0023] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0024] Specific examples are given below.

[0025] See also Figures 1-4 The utility model provides an energy storage direct cooling box, including a flat plate direct cooling energy storage lower box 14; the flat plate direct cooling energy storage lower box 14 is provided with a reinforcing rib frame 13 and a water cooling plate 12; the water cooling plate 12 is provided with a flat plate body 1; a water joint 8 is installed on the side of the flat plate body 1; a flow channel plate 2 is installed on the bottom of the flat plate body 1; the top of the flat plate body 1 is abutted against the module crossbeam 10; the flat plate body 1 is provided with a first screw hole 15; the flow channel plate 2 is provided with a second screw hole 16; the reinforcing rib frame 13 includes a second extruded profile 4; one end of the second extruded profile 4 is fixedly connected to the third extruded profile 5; the other end of the second extruded profile 4 is fixedly connected to the first extruded profile 3; a second reinforcing rib 7 is fixedly connected between the first extruded profile 3 and the third extruded profile 5; two second reinforcing ribs 7 are provided; the first extruded profile 3 and the third extruded profile 5 are fixedly connected to the first reinforcing rib 6; the reinforcing rib frame 13 is threadedly connected to the first extruded profile 4 through the water cooling plate 12 Nut 9; the model of the first nut 9 is an M5 nut; the module beam 10 is threadedly connected to the second nut 11 through the flat plate body 1; the model of the second nut 11 is an M6 nut; the material of the water-cooled plate 12 is an aluminum alloy material stamped and welded to close the cavity; during operation, the flat plate body 1, the flow channel plate 2, the water joint 8, and the module beam 10 are assembled and put into the brazing furnace for brazing. After brazing, it becomes a water-cooled plate 12, and the first extruded profile 3, the second extruded profile 4, the third extruded profile 5 and the first reinforcement rib 6 and the second reinforcement rib 7 are assembled into a reinforcement rib frame 13, and the parts are connected at the splicing position by welding. The water-cooled plate 12 and the reinforcement rib frame 13 are assembled and fixed with the first nut 9 of the M5 rivet nut around, and the water-cooled plate 12 and the reinforcement rib frame 13 are connected by welding. After the above assembly is completed, the second nut 11 of the M6 nut is riveted to form an integrated flat plate direct cooling energy storage lower box 14.

[0026] Working principle: Aluminum alloy has good thermal conductivity. The water-cooling plate 12 is a closed cavity formed by stamping and welding aluminum alloy materials. The heat of the battery is indirectly transferred to the refrigerant in the closed circulation cavity through the aluminum plate. The refrigerant takes away the heat from the battery by utilizing its physical properties of fast cooling speed and low evaporation temperature.

[0027] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention, and such changes and improvements fall within the scope of the present invention as claimed.

Claims

1. An energy storage direct cooling box, comprising a flat plate direct cooling energy storage lower box (14); characterized in that: The flat plate direct cooling energy storage lower box (14) is provided with a reinforcing rib frame (13) and a water cooling plate (12); the water cooling plate (12) is provided with a flat plate body (1); a water joint (8) is installed on the side of the flat plate body (1); a flow channel plate (2) is installed on the bottom of the flat plate body (1); the top of the flat plate body (1) is abutted against a module crossbeam (10); the flat plate body (1) is provided with a first screw hole (15); and the flow channel plate (2) is provided with a second screw hole (16).

2. The energy storage direct cooling box according to claim 1, characterized in that: The reinforcing rib frame (13) comprises a second extruded profile (4); one end of the second extruded profile (4) is fixedly connected to a third extruded profile (5); and the other end of the second extruded profile (4) is fixedly connected to the first extruded profile (3).

3. The energy storage direct cooling box according to claim 2, characterized in that: A second reinforcing rib (7) is fixedly connected between the first extruded profile (3) and the third extruded profile (5); two second reinforcing ribs (7) are provided.

4. The energy storage direct cooling box according to claim 2, characterized in that: A first reinforcing rib (6) is fixedly connected between the first extruded profile (3) and the third extruded profile (5).

5. The energy storage direct cooling box according to claim 1, characterized in that: The reinforcing rib frame (13) is threadedly connected to a first nut (9) via a water-cooling plate (12); the model of the first nut (9) is an M5 nut.

6. The energy storage direct cooling box according to claim 1, characterized in that: The module crossbeam (10) is threadedly connected to a second nut (11) through the flat plate body (1); the model of the second nut (11) is an M6 nut.

7. The energy storage direct cooling box according to claim 1, characterized in that: The water cooling plate (12) is made of an aluminum alloy material with a stamped and welded closed cavity.