Liquid cooling assembly and energy storage device

By designing liquid cooling mechanisms and circulation mechanisms in the liquid cooling energy storage system, the problem of uneven temperature of the battery pack is solved, and more efficient cooling effect and resource saving are achieved.

CN222504564UActive Publication Date: 2025-02-18内蒙古中电储能技术有限公司
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Patent Information

Application Number
CN202421062602.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-16
Publication Date
2025-02-18
Estimated Expiration
2034-05-16

AI Technical Summary

Technical Problem

The existing liquid-cooled energy storage system has a constant direction of air flow when cooling down, resulting in uneven temperatures at different locations of the battery pack, affecting the usage status of the battery pack.

Method used

A liquid cooling assembly and energy storage device are designed, including a liquid cooling mechanism and a circulation mechanism. The liquid cooling mechanism includes a servo motor, slide rail, refrigeration plate and refrigerator. The refrigerant is cooled through the refrigerator. The refrigerant emits air conditioning through the refrigeration plate. The servo motor controls the rotation of the refrigeration plate to increase the cooling range. The circulation mechanism realizes the recycling of refrigerant liquid through a liquid pump and a liquid storage tank.

Benefits of technology

It achieves more efficient cooling of the battery pack, with higher cooling efficiency and improved temperature uniformity, extends the service life of the battery pack, and saves resources by recycling refrigerant.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a liquid cooling assembly and an energy storage device, and relates to the technical field of energy storage, the technical key points are that the liquid cooling assembly comprises a cabinet body and a door plate arranged on the front side of the cabinet body, and a liquid cooling mechanism and a circulation mechanism are arranged in the cabinet body; the circulating mechanism is positioned below the liquid cooling mechanism; the liquid cooling mechanism comprises a control part and a liquid cooling part, the technical effects are that the liquid cooling mechanism can cool the battery pack arranged in the cabinet body, the cooling mode is liquid cooling, the cooling efficiency of the liquid cooling is higher than that of air cooling, the refrigerating fluid can be cooled through the refrigerator during cooling, the cooling efficiency is improved, and the service life of the battery pack is prolonged. The cooling liquid after cooling can enter the two cooling plates, cold air can be dissipated into the cabinet body through the two cooling plates and the two sets of cooling pieces, so that the battery pack can be cooled, the two cooling plates can be controlled to rotate in the cooling process, the cooling range of the battery pack can be enlarged, and then the cooling efficiency can be higher.
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Description

Technical Field

[0001] The utility model relates to the technical field of energy storage, in particular to a liquid cooling component and an energy storage device. Background Art

[0002] In conventional liquid-cooled energy storage systems, a water chiller is usually used to transfer liquid to the heating part. Through heat exchange, the heat of the heating part is introduced into the liquid, and the liquid is used to transfer the heat to the water chiller through the pipe. The water chiller then cools the liquid and circulates it to the heating part. This cycle completes the purpose of cooling and dissipating heat at the heating part.

[0003] China Patent Network has published a heat dissipation device for liquid-cooled energy storage equipment and a liquid-cooled energy storage equipment, with publication number CN217822991U. The heat dissipation device for the liquid-cooled energy storage equipment includes a box, a liquid cooling system and a fan assembly. An electrical compartment and a battery compartment are arranged in the box. The liquid cooling system is used to cool the battery pack in the battery compartment. The fan assembly is arranged between the battery compartment and the electrical compartment. The fan assembly is used to form a circulating air path between the battery compartment and the electrical compartment, and the cold air flow in the battery compartment is used to cool the electrical equipment in the electrical compartment, thereby reducing the heat dissipation cost.

[0004] The above-mentioned device cools the battery pack through the cold air flow emitted by the liquid cooling plate when liquid cooling the energy storage device. However, the direction of the cold air flow emitted by the liquid cooling plate is constant during cooling, and it is relatively uneven when cooling the battery pack, which will cause different temperatures at different positions of the battery pack. In the long run, it will affect the use status of the battery pack. Therefore, a liquid cooling component and energy storage device are proposed. Utility Model Content

[0005] Technical Solution

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a liquid cooling assembly and an energy storage device, comprising a cabinet and a door panel provided on the front of the cabinet, wherein a liquid cooling mechanism and a circulation mechanism are provided inside the cabinet;

[0007] The circulation mechanism is located below the liquid cooling mechanism;

[0008] The liquid cooling mechanism includes a control unit and a liquid cooling unit;

[0009] The control part is located on the surface of the liquid cooling part;

[0010] The control part includes a servo motor and a slide rail, and the liquid cooling part includes two cooling plates and a refrigerator;

[0011] A through groove is provided on the top surface of the cabinet, and a mounting plate is arranged inside the through groove. The bottom surface of the mounting plate is fixedly connected to the top surface of the slide rail. The sliding sleeve on the surface of the slide rail is provided with two sliding sleeves. Two connecting blocks are fixedly arranged on the bottom surfaces of the two sliding sleeves respectively. The bottom surfaces of the two connecting blocks are fixedly connected to the top surfaces of the two refrigeration plates respectively.

[0012] Preferably, the circulation mechanism includes a liquid storage tank, the bottom surface of the liquid storage tank is fixedly connected to the inner bottom surface of the cabinet, a liquid pump is fixedly provided on the back of the cabinet, and the front of the liquid pump sequentially penetrates the back of the cabinet and the surface of the liquid storage tank and extends to the inside of the liquid storage tank.

[0013] Preferably, two fixing plates are fixedly arranged on the top surface of the mounting plate, the bottom surfaces of the two fixing plates are fixedly connected to the top surface of the cabinet, and a mounting frame is fixedly arranged on the top surface of the mounting plate.

[0014] Preferably, the top surface of the mounting frame is fixedly connected to the bottom surface of the refrigerator, and a three-way pipe is rotatably sleeved on the surface of the liquid outlet end surface of the refrigerator. Two infusion tubes are fixedly penetrated on the left and right end surfaces respectively, and the bottom surfaces of the two infusion tubes pass through the through groove to extend to the inside of the cabinet. The adjacent side surfaces of the two infusion tubes are fixedly penetrated through the distant side surfaces of the two refrigeration plates and extend to the inside of the two refrigeration plates.

[0015] Preferably, the top surface of the mounting plate is fixedly connected to the bottom surface of the servo motor, the servo motor is located on the inner side of the mounting frame, the bottom surface of the servo motor output end passes through the top surface of the cabinet and extends to the inside of the cabinet, a rotating plate is fixedly provided on the bottom surface of the servo motor output end, and the left and right end surfaces of the rotating plate are respectively fixedly connected to the side surfaces close to the two connecting blocks.

[0016] Preferably, two groups of cooling fins are fixedly arranged on adjacent sides of the two cooling plates, and the two cooling plates and the two groups of cooling fins are made of metal copper.

[0017] Preferably, two hoses are fixedly provided on the top surface of the liquid storage tank, and the front and rear end surfaces of the two hoses are respectively fixedly provided to penetrate the front and rear end surfaces of the two refrigeration plates and extend to the interior of the two refrigeration plates. A connecting pipe is fixedly provided on the top surface of the liquid outlet end of the liquid pump, and the front side of the connecting pipe is fixedly connected with the back side of the liquid inlet end of the refrigerator.

[0018] The utility model also provides the following technical solution: it also includes a battery bracket, the inner bottom surface of the cabinet is fixedly connected to the bottom surface of the battery bracket, a battery pack is arranged on the inner side of the battery bracket, and the battery bracket and the battery pack are both located on the inner side of the liquid storage tank.

[0019] Beneficial Effects

[0020] Compared with the prior art, the utility model provides a liquid cooling assembly and an energy storage device, which have the following beneficial effects:

[0021] 1. The battery pack arranged inside the cabinet can be cooled by providing a liquid cooling mechanism, and the cooling method is liquid cooling, which has higher cooling efficiency than air cooling. During cooling, the refrigerant can be cooled by a refrigerator, and the cooled refrigerant can enter the two cooling plates. The cold air can be emitted to the inside of the cabinet through the two cooling plates and two groups of cooling sheets, so as to cool the battery pack. During the cooling process, the two cooling plates can be controlled to rotate, which can increase the cooling range, thereby making the cooling efficiency higher and achieving a better cooling effect when the battery pack is in use.

[0022] 2. By providing a circulation mechanism, the refrigerant inside the refrigeration plate can flow continuously, so that the refrigerant inside the refrigeration plate is always in a low temperature state, so that the cooling effect is better, and the refrigerant can be recycled, so as to save resources. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a three-dimensional schematic diagram of the left side of the utility model;

[0024] Figure 2 This is a front cutaway perspective schematic diagram of the utility model;

[0025] Figure 3 It is a top-down stereoscopic schematic diagram of the utility model;

[0026] Figure 4 It is a three-dimensional schematic diagram of a top cross-section of the utility model.

[0027] In the figure: 1 cabinet, 2 liquid cooling mechanism, 21 infusion tube, 22 three-way pipe, 23 servo motor, 24 mounting plate, 25 cooling plate, 26 cooling plate, 27 connecting block, 28 sliding sleeve, 29 slide rail, 210 rotating plate, 211 fixed plate, 212 refrigerator, 213 mounting frame, 3 door panel, 4 battery pack, 5 battery bracket, 6 circulation mechanism, 61 connecting pipe, 62 liquid pump, 63 hose, 64 liquid storage tank. DETAILED DESCRIPTION

[0028] 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.

[0029] Example 1

[0030] like Figure 1-Figure 4As shown, this embodiment proposes that it includes a cabinet 1 and a door panel 3 is arranged on the front of the cabinet 1, and a liquid cooling mechanism 2 and a circulation mechanism 6 are arranged inside the cabinet 1;

[0031] The circulation mechanism 6 is located below the liquid cooling mechanism 2;

[0032] The liquid cooling mechanism 2 includes a control unit and a liquid cooling unit;

[0033] The control part is located on the surface of the liquid cooling part;

[0034] The control unit includes a servo motor 23 and a slide rail 29, and the liquid cooling unit includes two cooling plates 26 and a refrigerator 212;

[0035] The top surface of the cabinet 1 is provided with a through groove, and a mounting plate 24 is arranged inside the through groove. The bottom surface of the mounting plate 24 is fixedly connected to the top surface of the slide rail 29. The surface of the slide rail 29 is provided with two sliding sleeves 28 for sliding. The bottom surfaces of the two sliding sleeves 28 are respectively fixedly provided with two connecting blocks 27. The bottom surfaces of the two connecting blocks 27 are respectively fixedly connected to the top surfaces of the two refrigeration plates 26. The top surface of the mounting plate 24 is fixedly provided with two fixing plates 211. The bottom surfaces of the two fixing plates 211 are both fixedly connected to the top surface of the cabinet 1. The top surface of the mounting plate 24 is fixedly provided with a mounting frame 213. The top surface of the mounting frame 213 is fixedly connected to the bottom surface of the refrigerator 212. The surface of the liquid outlet end surface of the refrigerator 212 is provided with a three-way pipe 22 for rotating sleeve. The left and right end surfaces of the three-way pipe 22 are respectively fixedly provided with two through-type fixing plates 211. Infusion tube 21, the bottom surfaces of the two infusion tubes 21 are both through the through groove and extend to the inside of the cabinet 1, the adjacent side surfaces of the two infusion tubes 21 are respectively fixed through the distant side surfaces of the two refrigeration plates 26 and extend to the inside of the two refrigeration plates 26, the top surface of the mounting plate 24 is fixedly connected to the bottom surface of the servo motor 23, the servo motor 23 is located on the inner side of the mounting frame 213, the bottom surface of the output end of the servo motor 23 is through the top surface of the cabinet 1 and extends to the inside of the cabinet 1, a rotating plate 210 is fixedly provided on the bottom surface of the output end of the servo motor 23, and the left and right end surfaces of the rotating plate 210 are respectively fixedly connected to the adjacent side surfaces of the two connecting blocks 27, and two groups of refrigeration plates 25 are respectively fixedly provided on the adjacent side surfaces of the two refrigeration plates 26, and the two refrigeration plates 26 and the two groups of refrigeration plates 25 are made of metal copper.

[0036] In this embodiment, a liquid cooling mechanism 2 is provided to cool the battery pack arranged inside the cabinet 1, and the cooling method is liquid cooling, which has higher cooling efficiency than air cooling. During cooling, the refrigerant liquid can be cooled by the refrigerator 212, and the cooled refrigerant liquid can enter the two refrigeration plates 26. The cold air can be emitted to the inside of the cabinet 1 through the two refrigeration plates 26 and the two groups of refrigeration sheets 25, so that the battery pack can be cooled. During the cooling process, the two refrigeration plates 26 can be controlled to rotate, which can increase the cooling range, thereby making the cooling efficiency higher and achieving a better cooling effect when the battery pack 4 is in use.

[0037] Example 2

[0038] like Figure 1-Figure 4 As shown, based on the same concept as the above-mentioned embodiment 1, this embodiment further proposes that the circulation mechanism 6 includes a liquid storage tank 64, the bottom surface of the liquid storage tank 64 is fixedly connected to the inner bottom surface of the cabinet 1, and a liquid pump 62 is fixedly arranged on the back of the cabinet 1. The front side of the liquid pump 62 passes through the back side of the cabinet 1 and the surface of the liquid storage tank 64 in sequence and extends to the inside of the liquid storage tank 64. Two hoses 63 are fixedly penetrated on the top surface of the liquid storage tank 64. The front and rear end surfaces of the two hoses 63 are respectively fixedly penetrated through the front and rear end surfaces of the two refrigeration plates 26 and extend to the inside of the two refrigeration plates 26. A connecting pipe 61 is fixedly arranged on the top surface of the liquid outlet end of the liquid pump 62, and the front side of the connecting pipe 61 is fixedly connected to the back side of the liquid inlet end of the refrigerator 212.

[0039] In this embodiment, by providing a circulation mechanism 6, the refrigerant inside the refrigeration plate 26 can flow continuously, so that the refrigerant inside the refrigeration plate 26 is always in a low temperature state, so that the cooling effect is better, and the refrigerant can be recycled, thereby saving more resources.

[0040] Example 3

[0041] like Figure 1-Figure 4 As shown, based on the same concept as the above-mentioned embodiments 1 and 2, this embodiment further proposes a battery holder 5, wherein the inner bottom surface of the cabinet 1 is fixedly connected to the bottom surface of the battery holder 5, and a battery pack 4 is arranged on the inner side of the battery holder 5, and both the battery holder 5 and the battery pack 4 are located on the inner side of the liquid storage tank 64.

[0042] When in use, the battery pack 4 is placed inside the battery holder 5, and the door panel 3 is closed. By turning on the liquid pump 62, the liquid pump 62 can extract the refrigerant in the liquid storage tank 343, so that the refrigerant can be transported to the inside of the refrigerator 212. When the refrigerator 212 is turned on, the refrigerant can be cooled. The cooled refrigerant can be transported to the inside of the two infusion pipes 21 through the three-way pipe 22. The refrigerant can be transported to the inside of the two refrigeration plates 26 through the two infusion pipes 21. The cold air can be distributed to the inside of the cabinet 1 through the two refrigeration plates 26 and the two groups of refrigeration sheets 25. Thereby, the battery pack 4 can be cooled. By turning on the servo motor 23, the rotation path of the servo motor 23 is half a circle on the left and right. When the output end of the servo motor 23 rotates, the two connecting blocks 27 can be driven to rotate through the rotating plate 210. When the two connecting blocks 27 rotate, the two refrigeration plates 26 can be driven to move in a circle. When the two refrigeration plates 26 move in a circle, their refrigeration area can be expanded. The refrigerant inside the two refrigeration plates 26 can enter the liquid storage tank 64 through two hoses 63, so that the refrigerant inside the refrigeration plates 26 can be circulated.

[0043] The above are only specific embodiments of the utility model, but the technical features of the utility model are not limited thereto. Any simple changes, equivalent replacements or modifications made based on the utility model to solve basically the same technical problems and achieve basically the same technical effects are all included in the protection scope of the utility model.

Claims

1. A liquid cooling assembly, comprising a cabinet (1) and a door panel (3) disposed on the front of the cabinet (1), characterized in that: The cabinet (1) is provided with a liquid cooling mechanism (2) and a circulation mechanism (6); The circulation mechanism (6) is located below the liquid cooling mechanism (2); The liquid cooling mechanism (2) comprises a control unit and a liquid cooling unit; The control unit is located on the surface of the liquid cooling unit; The control unit includes a servo motor (23) and a slide rail (29), and the liquid cooling unit includes two cooling plates (26) and a refrigerator (212); The cabinet (1) has a through slot on its top surface, a mounting plate (24) is arranged inside the through slot, the bottom surface of the mounting plate (24) is fixedly connected to the top surface of the slide rail (29), the surface of the slide rail (29) is provided with two sliding sleeves (28), the bottom surfaces of the two sliding sleeves (28) are respectively fixedly provided with two connecting blocks (27), and the bottom surfaces of the two connecting blocks (27) are respectively fixedly connected to the top surfaces of the two refrigeration plates (26).

2. A liquid cooling assembly according to claim 1, characterized in that: The circulation mechanism (6) comprises a liquid storage tank (64), the bottom surface of which is fixedly connected to the inner bottom surface of the cabinet (1), a liquid pump (62) is fixedly arranged on the back of the cabinet (1), and the front surface of the liquid pump (62) sequentially penetrates the back of the cabinet (1) and the surface of the liquid storage tank (64) and extends to the interior of the liquid storage tank (64).

3. A liquid cooling assembly according to claim 2, characterized in that: Two fixing plates (211) are fixedly arranged on the top surface of the mounting plate (24); the bottom surfaces of the two fixing plates (211) are fixedly connected to the top surface of the cabinet (1); and a mounting frame (213) is fixedly arranged on the top surface of the mounting plate (24).

4. A liquid cooling assembly according to claim 3, characterized in that: The top surface of the mounting frame (213) is fixedly connected to the bottom surface of the refrigerator (212); a three-way pipe (22) is rotatably sleeved on the liquid outlet end surface of the refrigerator (212); two liquid infusion pipes (21) are fixedly penetrated on the left and right end surfaces of the three-way pipe (22); the bottom surfaces of the two liquid infusion pipes (21) penetrate through the through groove and extend to the inside of the cabinet (1); the adjacent side surfaces of the two liquid infusion pipes (21) are fixedly penetrated through the distant side surfaces of the two refrigeration plates (26) and extend to the inside of the two refrigeration plates (26).

5. The liquid cooling assembly according to claim 1, characterized in that: The top surface of the mounting plate (24) is fixedly connected to the bottom surface of the servo motor (23); the servo motor (23) is located inside the mounting frame (213); the bottom surface of the output end of the servo motor (23) penetrates the top surface of the cabinet (1) and extends into the interior of the cabinet (1); a rotating plate (210) is fixedly arranged on the bottom surface of the output end of the servo motor (23); and the left and right end surfaces of the rotating plate (210) are respectively fixedly connected to the side surfaces close to the two connecting blocks (27).

6. A liquid cooling assembly according to claim 1, characterized in that: Two groups of cooling fins (25) are fixedly arranged on adjacent sides of the two cooling plates (26), and the two cooling plates (26) and the two groups of cooling fins (25) are both made of metal copper.

7. A liquid cooling assembly according to claim 4, characterized in that: Two hoses (63) are fixedly provided on the top surface of the liquid storage tank (64), and the front and rear end surfaces of the two hoses (63) are fixedly provided to penetrate the front and rear end surfaces of the two refrigeration plates (26) and extend to the inside of the two refrigeration plates (26). A connecting pipe (61) is fixedly provided on the top surface of the liquid outlet end of the liquid pump (62), and the front surface of the connecting pipe (61) is fixedly connected to the back surface of the liquid inlet end of the refrigerator (212).

8. An energy storage device, characterized in that: It comprises a liquid cooling assembly as described in any one of claims 1 to 7, and also comprises a battery holder (5), the inner bottom surface of the cabinet (1) is fixedly connected to the bottom surface of the battery holder (5), a battery pack (4) is arranged on the inner side of the battery holder (5), and the battery holder (5) and the battery pack (4) are both located on the inner side of a liquid storage tank (64).

Citation Information

Patent Citations

  • Cooling device of liquid cooling energy storage equipment and liquid cooling energy storage equipment

    CN217822991U