Liquid cooling energy storage outdoor cabinet

By setting up a liquid-cooling unit compartment and partition structure in the liquid-cooled energy storage cabinet, the problem of uneven temperature of the battery pack is solved, and higher energy density and lower operating energy consumption are achieved.

CN222813674UActive Publication Date: 2025-04-29ANHUI ZHONGDIAN XINGFA & XINLONG TECH CO LTD
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Patent Information

Application Number
CN202420533063.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-03-19
Publication Date
2025-04-29
Estimated Expiration
2034-03-19

AI Technical Summary

Technical Problem

In existing liquid-cooled energy storage cabinets, the battery pack temperature is uneven, resulting in high energy consumption in the energy storage cabinets.

Method used

By setting up a liquid-cooling unit compartment and partition structure in the cabinet, the cabinet is divided into two upper and lower battery chambers and control rooms, the liquid-cooling unit is used to control the internal temperature of the cabinet, and the uniformity of the battery pack temperature is improved by strengthening the bracket and partition structure.

Benefits of technology

It greatly improves the uniformity of the battery pack temperature, improves the energy density of the energy storage cabinet, and reduces operating energy consumption.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of energy storage cabinets, in particular to a liquid cooling energy storage outdoor cabinet, which comprises a cabinet body, a liquid cooling unit outer cover and a base which are respectively arranged at the upper end and the lower end of the cabinet body, and a liquid cooling unit front sealing plate and a liquid cooling unit rear sealing plate which are respectively arranged at the two sides of the liquid cooling unit outer cover, a liquid cooling unit compartment is formed among the liquid cooling unit outer cover, the liquid cooling unit front sealing plate and the liquid cooling unit rear sealing plate, a plurality of sets of stand columns are distributed in the cabinet body and on the base in a surrounding mode, partition plate structures are fixedly installed in the stand columns, and the interior of the cabinet body is divided into an upper-layer battery chamber and a lower-layer control chamber through the partition plate structures. The cabinet body and the liquid cooling unit are partitioned to form the liquid cooling unit compartments and the cabinet body, the liquid cooling unit is adopted to control the internal temperature of the cabinet body, and meanwhile, the interior of the cabinet body is partitioned into the upper and lower battery chambers and the control chamber through the partition plate structure, so that the temperature uniformity of the battery pack is greatly improved, and the energy density of the energy storage cabinet is improved; and the operation energy consumption is reduced.
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Description

Technical Field

[0001] The utility model relates to the technical field of energy storage cabinets, in particular to a liquid-cooled energy storage outdoor cabinet. Background Art

[0002] A liquid-cooled energy storage cabinet is a cabinet that uses a liquid cooling system to cool energy storage devices. These energy storage devices may be used to store electricity from renewable energy so that they can be released when needed. Liquid-cooled energy storage cabinets usually include a fluid that absorbs the heat generated by the energy storage device to ensure that the equipment maintains an appropriate temperature when running at high loads.

[0003] The energy storage cabinet in the prior art 202320330051.5 includes a liquid-cooled electric box, a power distribution control system, a liquid cooling unit and a cabinet body, wherein a battery compartment and a power distribution control compartment are arranged in the cabinet body, and a liquid cooling compartment is arranged near the bottom of the cabinet body in the power distribution control compartment. The liquid-cooled electric box, the power distribution control system and the liquid cooling unit are arranged in the battery compartment, the power distribution control compartment and the liquid cooling compartment in a one-to-one correspondence, and the liquid-cooled electric box is respectively connected to the power distribution control system and the liquid cooling unit.

[0004] The above structure divides the interior of the cabinet into a battery compartment, a power distribution control compartment and a liquid cooling compartment. However, the areas formed by the internal division of the cabinet are unreasonable, and the temperature in the battery compartment is easy to rise, so that the liquid cooling compartment cannot fully control the entire battery compartment, resulting in uneven temperature of the internal battery pack and high energy consumption in the energy storage cabinet. Utility Model Content

[0005] In view of this, the purpose of the utility model is to provide a liquid-cooled energy storage outdoor cabinet to solve the problems of uneven temperature of the internal battery pack and high energy consumption in the energy storage cabinet.

[0006] Based on the above-mentioned purpose, the utility model provides a liquid-cooled energy storage outdoor cabinet, including a cabinet body, and a liquid-cooled unit cover and a base respectively installed at the upper and lower ends of the cabinet body, the liquid-cooled unit front cover and the liquid-cooled unit rear cover are respectively installed on both sides of the liquid-cooled unit cover, and the liquid-cooled unit compartment is formed between the liquid-cooled unit cover, the liquid-cooled unit front cover and the liquid-cooled unit rear cover; a front door is hinged on one side of the cabinet body, and a battery compartment rear cover and a control room rear cover are fixedly installed on the other side of the cabinet body, a plurality of groups of columns are distributed inside the cabinet body and around the base, a partition structure is fixedly installed inside the columns, and the interior of the cabinet is divided into a battery room and a control room of upper and lower layers by the partition structure; the partition structure includes a plurality of groups of reinforcing brackets 1 fixedly installed on the inner sides of the columns, a battery bracket for carrying a battery pack is fixedly installed on the top of the adjacent reinforcing bracket 1, and a reinforcing bracket 2 is fixedly installed on the bottom end of the lower cross beam of the battery.

[0007] Preferably, the partition structure also includes multiple groups of intermediate cross beams installed between adjacent columns, and the front partition, the middle partition and the rear partition are fixedly installed between the multiple groups of intermediate cross beams; the battery side beams are fixedly installed between the upper and lower ends of the adjacent columns on one side, and the battery upper cross beam and the battery lower cross beam are respectively fixedly installed at the upper and lower ends of the columns on the left and right sides.

[0008] Preferably, a liquid cooling unit crossbeam and a liquid cooling unit side beam are fixedly installed on the top of the cabinet, a Z-shaped bracket is fixedly installed around the bottom end of the liquid cooling unit outer cover, and the Z-shaped bracket is connected to the liquid cooling unit crossbeam by bolts.

[0009] Preferably, a middle column is fixedly installed above the lower cross beam of the battery inside the control room, and a layer plate and an L-shaped bracket are fixedly installed on both sides of the middle column.

[0010] Preferably, sealing plate fixing brackets are fixedly installed around both sides of the outer cover of the liquid cooling unit and around one side of the cabinet, and matching rivet nuts are installed on the sealing plate fixing brackets.

[0011] Preferably, the inner sides of the front door and the rear cover plate of the control room are both provided with rainproof louvers, the inner side of the front door is welded with a C-shaped mounting cross bar and a C-shaped mounting side block on the rainproof louver, and the interior of the front door is also provided with a pressure relief louver.

[0012] Preferably, base supports are fixedly installed on both sides of the interior of the base, multiple groups of reinforcing ribs are welded at the bottom of the base supports and the interior of the base, multiple groups of square tubes are fixedly installed between adjacent base supports, and base covering plates are fixedly installed on both sides of the base supports.

[0013] The beneficial effects of the utility model are as follows: by partitioning between the cabinet and the liquid cooling unit, a liquid cooling unit compartment and a cabinet are formed, and the liquid cooling unit is used to control the internal temperature of the cabinet. At the same time, the interior of the cabinet is divided into an upper and lower battery room and a control room by a partition structure, and the battery room uses multiple groups of reinforcement brackets 1 and reinforcement brackets 2 to carry battery brackets, and battery packs are carried between the multiple groups of battery brackets, which greatly improves the uniformity of the battery pack temperature, improves the energy density of the energy storage cabinet, and reduces operating energy consumption. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the technical solutions in the present invention or the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings in the following description are only for the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0015] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the internal structure of the cabinet of the utility model;

[0017] Figure 3 It is a schematic diagram of the explosion structure of the liquid cooling unit compartment of the utility model;

[0018] Figure 4 This is a schematic diagram of the internal structure of the control room of the utility model;

[0019] Figure 5 This is a schematic diagram of the structure of the front door of the utility model;

[0020] Figure 6 This is a schematic diagram of the internal structure of the base of the utility model;

[0021] Figure 7 It is a rear view structural schematic diagram of the utility model as a whole;

[0022] Figure 8 This is a schematic diagram of the installation structure of the front door and the cabinet of the utility model;

[0023] Fig. 9 It is a schematic diagram of the internal structure of the battery chamber of the utility model.

[0024] The markings in the figure are: 1. Liquid cooling unit cover; 2. Cabinet; 3. Base; 4. Liquid cooling unit front cover; 5. Front door; 6. Liquid cooling unit rear cover; 7. Battery compartment rear cover; 8. Control room rear cover; 9. Liquid cooling unit cross beam; 10. Liquid cooling unit side beam; 11. Battery side beam; 12. Battery upper cross beam; 13. Middle cross beam; 14. Battery lower cross beam; 15. Column; 16. Front partition; 17. Middle partition; 18. Rear partition; 19. , liquid cooling unit compartment; 20, battery room; 21, control room; 22, Z-shaped bracket; 23, sealing plate fixing bracket; 24, battery bracket; 25, reinforcement bracket one; 26, reinforcement bracket two; 27, middle column; 28, shelf; 29, L-shaped bracket; 32, C-shaped installation cross bar; 33, C-shaped installation side block; 34, pressure relief louver; 39, rainproof louver; 41, base support; 42, reinforcement rib; 43, square tube; 44, base sealing plate. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with specific embodiments.

[0026] like Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7, Figure 8 and Fig. 9 As shown, a liquid-cooled energy storage outdoor cabinet includes a cabinet body 2, and a liquid-cooled unit cover 1 and a base 3 respectively installed at the upper and lower ends of the cabinet body 2, a liquid-cooled unit front cover 4 and a liquid-cooled unit rear cover 6 are respectively installed on both sides of the liquid-cooled unit cover 1, and a liquid-cooled unit compartment 19 is formed between the liquid-cooled unit cover 1, the liquid-cooled unit front cover 4 and the liquid-cooled unit rear cover 6; a front door 5 is hinged on one side of the cabinet body 2, and a battery compartment rear cover 7 and a control room rear cover 6 are fixedly installed on the other side of the cabinet body 2 8. There are multiple groups of columns 15 distributed around the base 3 inside the cabinet 2, and a partition structure is fixedly installed inside the columns 15. The interior of the cabinet 2 is divided into a battery room 20 and a control room 21 on the upper and lower layers by the partition structure; the partition structure includes a reinforcing bracket 1 25 fixedly installed on the inner side of multiple groups of columns 15, a battery bracket 24 for carrying a battery pack is fixedly installed on the top of an adjacent reinforcing bracket 1 25, and a reinforcing bracket 2 26 is fixedly installed on the bottom end of the battery lower beam 14.

[0027] In this embodiment, a liquid cooling unit compartment 19 and a cabinet 2 are formed by partitioning between the cabinet 2 and the liquid cooling unit cover 1. The liquid cooling unit compartment 19 is used to control the internal temperature of the cabinet 2. At the same time, the cabinet 2 is divided into an upper and lower battery room 20 and a control room 21 by a partition structure. The battery room 20 uses multiple groups of reinforcing brackets 1 25 and reinforcing brackets 2 26 to support battery brackets 24. Battery packs are carried between the multiple groups of battery brackets 24. The control room 21 is equipped with micro-breakers, plastic shells, and PCS required for the energy storage system.

[0028] As an implementation method, Figure 1 , Figure 2 and Figure 3 As shown, the partition structure also includes multiple groups of intermediate beams 13 installed between adjacent columns 15, and the front partition 16, the middle partition 17 and the rear partition 18 are fixedly installed between the multiple groups of intermediate beams 13; the battery side beams 11 are fixedly installed between the upper and lower ends of the columns 15 on the adjacent side, and the battery upper beam 12 and the battery lower beam 14 are fixedly installed at the upper and lower ends of the columns 15 on the left and right sides.

[0029] In this embodiment, the battery upper cross beam 12 and the battery lower cross beam 14 are installed between the columns 15, and the battery side beam 11 between the columns 15 provides stability for the structure inside the cabinet 2, and the front partition 16, the middle partition 17 and the rear partition 18 between the middle cross beams 13 isolate the heat between the control room 21 and the battery room 20 at the bottom of the cabinet 2, and the control room dissipates heat independently.

[0030] As an implementation method, Figure 1 , Figure 2 and Figure 3As shown, a liquid cooling unit cross beam 9 and a liquid cooling unit side beam 10 are fixedly installed on the top of the cabinet 2, and a Z-shaped bracket 22 is fixedly installed around the bottom end of the liquid cooling unit outer cover 1, and the Z-shaped bracket 22 is connected to the liquid cooling unit cross beam 9 by bolts.

[0031] In this embodiment, the liquid cooling unit cross beam 9 and the liquid cooling unit side beam 10 are installed with the liquid cooling unit outer cover 1 through the Z-shaped bracket 22, so that the split production installation can be realized, and the cabinet 2 can be used separately.

[0032] As an implementation method, Figure 2 , Figure 4 and Figure 8 As shown, a middle column 27 is fixedly installed above the lower cross beam 14 of the battery inside the control room 21, and a layer plate 28 and an L-shaped bracket 29 are fixedly installed on both sides of the middle column 27.

[0033] In this embodiment, the control room 21 and the battery room 20 are separated. At the bottom of the partition structure inside the cabinet 2, the micro-breaker, plastic shell, and PCS required for the energy storage system are installed in the control room 21 using the layer plate 28 and the L-shaped bracket 29, thereby reducing the footprint and being able to meet more installation environment requirements.

[0034] As an implementation method, Figure 3 and Figure 4 As shown, sealing plate fixing brackets 23 are fixedly installed around both sides of the liquid cooling unit outer cover 1 and around one side of the cabinet 2, and matching rivet nuts are installed on the sealing plate fixing brackets 23.

[0035] In this embodiment, the liquid cooling unit cover 1 is installed between the front sealing plate 4 and the rear sealing plate 6 of the liquid cooling unit, and the cabinet body 2 is installed between the rear sealing plate 7 of the battery compartment and the rear sealing plate 8 of the control room, respectively, by combining the sealing plate fixing bracket 23 with the matching rivet nuts, so as to facilitate maintenance and disassembly.

[0036] As an implementation method, Figure 1 , Figure 2 and Figure 3 As shown, the inner sides of the front door 5 and the rear cover plate 8 of the control room are both provided with rainproof louvers 39 , the inner side of the front door 5 is welded with a C-shaped mounting cross bar 32 and a C-shaped mounting side block 33 , and the interior of the front door 5 is also provided with a pressure relief louver 34 .

[0037] In this embodiment, a circulation channel is formed by the front door 5 and the rainproof louvers 39 at the bottom of the rear cover plate 8 of the control room to provide a heat dissipation environment for the control room 21, wherein the C-shaped mounting cross bar 32 and the C-shaped mounting side block 33 strengthen the overall structural strength of the front door 5, and a pressure relief louver 34 is also installed on the front door 5 to release the pressure in the cabinet 2.

[0038] As an implementation method, Figure 2 , Figure 6 and Figure 8 As shown, base supports 41 are fixedly installed on both sides of the interior of the base 3, multiple groups of reinforcing ribs 42 are welded to the bottom of the base support 41 and the interior of the base 3, multiple groups of square tubes 43 are fixedly installed between adjacent base supports 41, and base sealing plates 44 are fixedly installed on both sides of the base support 41.

[0039] In this embodiment, the base support 41 and multiple groups of reinforcing ribs 42 and multiple groups of square tubes 43 are used for structural installation to reduce the floor space occupied under the same specifications and enhance the bearing strength of the base 3 .

[0040] Working principle: When in use, open the front door 5 and the cabinet 2, place the battery pack on the battery bracket 24, and form a liquid cooling unit compartment 19 and the cabinet 2 through the partition between the cabinet 2 and the liquid cooling unit cover 1. The liquid cooling unit compartment 19 is used to control the internal temperature of the cabinet 2. At the same time, the cabinet 2 is divided into a battery room 20 and a control room 21 on the upper and lower layers by a partition structure. The battery room 20 uses multiple sets of reinforcement brackets 1 25 and reinforcement brackets 2 26 to carry the battery bracket 24. Multiple sets of battery The battery brackets 24 are detachable and used to carry the battery packs, retaining the gaps between the battery packs, greatly improving the uniformity of the battery pack temperature, and improving the energy density of the energy storage cabinet. At the same time, the micro-breaks, plastic shells, and PCS required for the energy storage system are installed in the control room 21 using the layer plates 28 and L-shaped brackets 29. After closing the front door 5, the front door 5 and the rainproof louvers 39 at the bottom of the rear cover 8 of the control room form a circulation channel to provide a heat dissipation environment for the control room 21 and improve the overall space utilization.

[0041] Those skilled in the art should understand that the discussion of any of the above embodiments is merely illustrative and is not intended to imply that the scope of the present invention (including the claims) is limited to these examples. Under the concept of the present invention, the technical features in the above embodiments or different embodiments may be combined, the steps may be implemented in any order, and there are many other variations of the different aspects of the present invention as described above, which are not provided in detail for the sake of simplicity.

[0042] The utility model is intended to cover all such substitutions, modifications and variations that fall within the broad scope of the appended claims. Therefore, any omissions, modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the utility model should be included in the scope of protection of the utility model.

Claims

1. A liquid-cooled energy storage outdoor cabinet, comprising a cabinet body (2), and a liquid-cooling unit cover (1) and a base (3) respectively mounted at the upper and lower ends of the cabinet body (2), characterized in that: A front sealing plate (4) and a rear sealing plate (6) of the liquid cooling unit are respectively installed on both sides of the liquid cooling unit outer cover (1), and a liquid cooling unit compartment (19) is formed between the liquid cooling unit outer cover (1), the liquid cooling unit front sealing plate (4) and the liquid cooling unit rear sealing plate (6); a front door (5) is hingedly connected to one side of the cabinet (2), and a battery compartment rear sealing plate (7) and a control room rear sealing plate (8) are fixedly installed on the other side of the cabinet (2), and a plurality of A group of columns (15) is provided, wherein a partition structure is fixedly installed inside the columns (15), and the partition structure is used to separate the interior of the cabinet (2) into a battery room (20) and a control room (21) of upper and lower layers; the partition structure comprises a plurality of groups of reinforcing brackets (25) fixedly installed inside the columns (15), a battery bracket (24) for carrying a battery pack is fixedly installed on the top of each of the adjacent reinforcing brackets (25), and a reinforcing bracket (26) is fixedly installed on the bottom end of one group of battery brackets (24).

2. A liquid-cooled energy storage outdoor cabinet according to claim 1, characterized in that: The partition structure also includes a plurality of groups of intermediate cross beams (13) installed between adjacent columns (15), and a front partition (16), a middle partition (17) and a rear partition (18) are fixedly installed between the plurality of groups of intermediate cross beams (13); a battery side beam (11) is fixedly installed between the upper and lower ends of the adjacent columns (15), and a battery upper cross beam (12) and a battery lower cross beam (14) are fixedly installed on both sides of the other columns (15).

3. The liquid-cooled energy storage outdoor cabinet according to claim 1, characterized in that: A liquid cooling unit cross beam (9) and a liquid cooling unit side beam (10) are fixedly mounted above the cabinet (2), and a Z-shaped bracket (22) is fixedly mounted around the bottom end of the liquid cooling unit outer cover (1), and the Z-shaped bracket (22) is connected to the liquid cooling unit cross beam (9) via bolts.

4. The liquid-cooled energy storage outdoor cabinet according to claim 1, characterized in that: An intermediate column (27) is fixedly mounted above the battery lower cross beam (14) inside the control room (21), and a layer plate (28) and an L-shaped bracket (29) are fixedly mounted on both sides of the intermediate column (27).

5. The liquid-cooled energy storage outdoor cabinet according to claim 1, characterized in that: Sealing plate fixing brackets (23) are fixedly mounted around both sides of the liquid cooling unit outer cover (1) and around one side of the cabinet (2), and matching rivet nuts are mounted on the sealing plate fixing brackets (23).

6. The liquid-cooled energy storage outdoor cabinet according to claim 1, characterized in that: The front door (5) and the control room rear cover plate (8) are both provided with rainproof louvers (39) on their inner sides, a C-shaped mounting cross piece (32) and a C-shaped mounting side piece (33) are welded to the rainproof louvers (39) on the inner side of the front door (5), and a pressure relief louver (34) is also provided inside the front door (5).

7. The liquid-cooled energy storage outdoor cabinet according to claim 1, characterized in that: Base supports (41) are fixedly installed on both sides of the base (3), multiple groups of reinforcing ribs (42) are welded at the bottom of the base support (41) and inside the base (3), multiple groups of square tubes (43) are fixedly installed between adjacent base supports (41), and base sealing plates (44) are fixedly installed on both sides of the base support (41).

Citation Information

Patent Citations

  • Outdoor liquid cooling energy storage cabinet

    CN219394170U