Liquid-cooled outdoor energy storage cabinet

Abstract

The utility model discloses a liquid-cooled outdoor energy storage cabinet, which comprises a cabinet body, a plurality of parallel liquid-cooled plates are arranged in the cabinet body, a plurality of battery packs are placed on the liquid-cooled plates, the bottom surfaces of the battery packs are tightly attached to the top surfaces of the liquid-cooled plates, a liquid-cooled host and a high-voltage box are arranged in the cabinet body, and the liquid-cooled host is connected with the high-voltage box. The high-voltage box is electrically connected with the battery pack, a liquid cooling channel is arranged in the liquid cooling plate, a cooling liquid outlet and a cooling liquid reflux inlet of the liquid cooling host are respectively communicated with a liquid inlet and a liquid outlet of the liquid cooling channel through pipelines, and the liquid cooling host is used for driving cooling liquid to circularly flow in the liquid cooling channel of the liquid cooling plate. And performing heat exchange with the battery pack by using the liquid cooling plate. Compared with the prior art in which the liquid cooling plate is integrated in the battery pack, the battery pack provided by the utility model has the advantages that the weight and the manufacturing cost of the battery pack are reduced, the battery pack is convenient to install and maintain, and the application requirements are better met.

Description

Technical Field

[0001] The utility model relates to an energy storage cabinet, in particular to a liquid-cooled outdoor energy storage cabinet. Background Art

[0002] Outdoor energy storage cabinets house multiple battery packs, utilizing them to store and supply electrical energy. Current outdoor cabinets integrate liquid cooling plates within the battery packs to dissipate heat. However, each battery pack has its own independent cooling plate, resulting in a single pack weighing 300 kg or more. This not only increases manufacturing costs but also creates significant installation and maintenance challenges, failing to meet application requirements. Utility Model Content

[0003] The technical problem to be solved by the present invention is to provide a liquid-cooled outdoor energy storage cabinet that can reduce the weight and manufacturing cost of the battery pack and facilitate the installation and maintenance of the battery pack in response to the shortcomings of the existing technology.

[0004] In order to solve the above technical problems, the present utility model adopts the following technical solutions.

[0005] A liquid-cooled outdoor energy storage cabinet includes a cabinet body, on which are provided a plurality of parallel liquid cooling plates, on which a plurality of battery packs are placed, and the bottom surface of the battery pack is in close contact with the top surface of the liquid cooling plate. A liquid cooling host and a high-voltage box are provided in the cabinet body, and the high-voltage box is electrically connected to the battery pack. A liquid cooling channel is provided in the liquid cooling plate, and a coolant outlet and a coolant return port of the liquid cooling host are respectively connected to a liquid inlet and a liquid outlet of the liquid cooling channel through pipelines. The liquid cooling host is used to drive the coolant to circulate in the liquid cooling channel of the liquid cooling plate, and utilize the liquid cooling plate to exchange heat with the battery pack.

[0006] Preferably, the plurality of liquid cooling plates are distributed at equal intervals from top to bottom.

[0007] Preferably, a plurality of vertically arranged limiting ridges are fixed in the cabinet, and the plurality of limiting ridges are distributed at equal intervals at the front end of the liquid cooling plate along the left-right direction.

[0008] Preferably, outer edges are formed on the left and right sides of the front end of the battery pack, respectively, and the left and right outer edges respectively abut against two adjacent limiting strip edges.

[0009] Preferably, a cabinet door is provided on the front side of the cabinet body.

[0010] Preferably, a liquid-cooled host chamber and a high-pressure box chamber are provided in the cabinet, and the liquid-cooled host chamber and the high-pressure box chamber are arranged up and down, and the liquid-cooled host and the high-pressure box are fixed in the liquid-cooled host chamber and the high-pressure box chamber respectively.

[0011] Preferably, two opposing doors are provided on the front side of the cabinet body, one of the two doors is aligned with the liquid cooling plate and the battery pack, and the other of the two doors is aligned with the liquid cooling main unit chamber and the high-voltage box chamber.

[0012] Preferably, a mesh plate is provided on the cabinet door on the front side of the liquid-cooled host chamber.

[0013] Preferably, the upper and lower ends of the high-voltage box are respectively provided with supporting ears, and the supporting ears are fixed in the cabinet by screws.

[0014] Preferably, the liquid cooling host includes two upper and lower fixing plates, and the fixing plates are fixed in the cabinet by screws.

[0015] In the liquid-cooled outdoor energy storage cabinet disclosed by the present invention, the cabinet body is a sheet metal cabinet body, and its internal space is used to place the battery pack. In order to carry multiple battery packs, multiple liquid cooling plates in the cabinet body are arranged in parallel up and down, and the bottom surface of the battery pack is tightly fitted with the top surface of the liquid cooling plate. At the same time, the liquid cooling host and the high-voltage box are arranged in the cabinet body. The liquid cooling host has a coolant outlet and a coolant return port, which are respectively connected to the liquid inlet and the liquid outlet of the liquid cooling channel. When the liquid cooling host is working, the coolant can be driven to circulate in the liquid cooling channel, thereby cooling the battery pack. Compared with the method of integrating the liquid cooling plate into the battery pack in the prior art, the present invention reduces the weight and manufacturing cost of the battery pack, facilitates the installation and maintenance of the battery pack, and better meets the application requirements. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is the internal structure diagram of the cabinet;

[0017] Figure 2 This is an exploded view of the internal structure of the cabinet;

[0018] Figure 3 is a three-dimensional diagram of a battery pack;

[0019] Figure 4 It is a three-dimensional diagram of the high-voltage box;

[0020] Figure 5 This is a three-dimensional diagram of the liquid-cooled host. DETAILED DESCRIPTION

[0021] The present invention will be described in more detail below with reference to the accompanying drawings and embodiments.

[0022] The utility model discloses a liquid-cooled outdoor energy storage cabinet, combined with Figures 1 to 5As shown, it includes a cabinet 1, in which a plurality of liquid cooling plates 2 arranged in parallel are provided, and a plurality of battery packs 3 are placed on the liquid cooling plate 2, and the bottom surface of the battery pack 3 is tightly fitted with the top surface of the liquid cooling plate 2. A liquid cooling host 4 and a high-voltage box 5 are provided in the cabinet 1, and the high-voltage box 5 is electrically connected to the battery pack 3. A liquid cooling channel is provided in the liquid cooling plate 2, and the cooling liquid outlet and the cooling liquid return port of the liquid cooling host 4 are respectively connected to the liquid inlet and the liquid outlet of the liquid cooling channel through pipelines. The liquid cooling host 4 is used to drive the cooling liquid to circulate in the liquid cooling channel of the liquid cooling plate 2, and utilize the liquid cooling plate 2 to exchange heat with the battery pack 3.

[0023] In the above structure, the cabinet 1 is a sheet metal cabinet, and its internal space is used to place the battery pack 3. In order to carry multiple battery packs 3, multiple liquid cooling plates 2 in the cabinet 1 are arranged in parallel up and down, and the bottom surface of the battery pack 3 is tightly fitted with the top surface of the liquid cooling plate 2. At the same time, the liquid cooling host 4 and the high-voltage box 5 are arranged in the cabinet 1. The liquid cooling host 4 has a coolant outlet and a coolant return port, which are respectively connected to the liquid inlet and the liquid outlet of the liquid cooling channel. When the liquid cooling host 4 is working, the coolant can be driven to circulate in the liquid cooling channel, thereby cooling the battery pack 3. Compared with the method of integrating the liquid cooling plate into the battery pack in the prior art, the utility model reduces the weight and manufacturing cost of the battery pack, facilitates the installation and maintenance of the battery pack, and better meets the application requirements.

[0024] To accommodate multiple battery packs 3 in an array, in this embodiment, multiple liquid cooling plates 2 are evenly spaced from top to bottom. In practical applications, the cooling channels within the multiple cooling plates 2 can be connected in series or in parallel. Both of these connection methods allow the coolant to circulate within the cooling channels of the cooling plates 2.

[0025] In order to limit the position of each battery pack 3, please refer to Figure 1 and Figure 2 A plurality of vertically arranged limiting strips 6 are fixed in the cabinet 1 , and the plurality of limiting strips 6 are evenly spaced along the left-right direction and distributed at the front end of the liquid cooling plate 2 .

[0026] See Figure 3 In this embodiment, the left and right sides of the front end of the battery pack 3 are respectively formed with outer edges 30, and the left and right outer edges 30 respectively abut against two adjacent limiting strip edges 6. On this basis, the outer edges 30 can also be fixedly connected to the corresponding limiting strip edges 6 by screws.

[0027] As a preferred embodiment, a cabinet door 7 is provided on the front side of the cabinet body 1. Specifically, the present embodiment has two cabinet doors 7, which are arranged to open in opposite directions.

[0028] In this embodiment, see Figure 1 and Figure 2 The cabinet 1 is provided with a liquid-cooled host chamber 8 and a high-pressure box chamber 9. The liquid-cooled host chamber 8 and the high-pressure box chamber 9 are arranged one above the other. The liquid-cooled host 4 and the high-pressure box 5 are fixed in the liquid-cooled host chamber 8 and the high-pressure box chamber 9, respectively. In the above structure, by providing the liquid-cooled host chamber 8 and the high-pressure box chamber 9, the liquid-cooled host 4 and the high-pressure box 5 can be easily installed and fixed. The liquid-cooled host chamber 8 and the high-pressure box chamber 9 are arranged in sequence one above the other, and the widths of the liquid-cooled host chamber 8 and the high-pressure box chamber 9 are consistent, which can make rational use of the internal space of the cabinet 1.

[0029] On this basis, two opposing cabinet doors 7 are provided on the front side of the cabinet body 1, one of the two cabinet doors 7 is aligned with the liquid cooling plate 2 and the battery pack 3, and the other of the two cabinet doors 7 is aligned with the liquid cooling main unit chamber 8 and the high-voltage box chamber 9.

[0030] In order to assist the liquid-cooled host 4 in the liquid-cooled host chamber 8 in dissipating heat to the outside, in this embodiment, a mesh plate 70 is provided on the cabinet door 7 on the front side of the liquid-cooled host chamber 8 .

[0031] See Figure 4 , the upper and lower ends of the high-voltage box 5 are respectively provided with lugs 50, and the lugs 50 are fixed to the cabinet 1 by screws. Figure 5 The liquid cooling host 4 includes two upper and lower fixing plates 40, and the fixing plates 40 are fixed in the cabinet 1 by screws.

[0032] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent replacements or improvements made within the technical scope of the present invention should be included in the scope of protection of the present invention.

Claims

1. A liquid-cooled outdoor energy storage cabinet, characterized in that: The invention comprises a cabinet (1), wherein a plurality of liquid cooling plates (2) arranged in parallel are provided in the cabinet (1), a plurality of battery packs (3) are placed on the liquid cooling plates (2), the bottom surface of the battery pack (3) is tightly fitted with the top surface of the liquid cooling plates (2), a liquid cooling host (4) and a high-voltage box (5) are provided in the cabinet (1), the high-voltage box (5) is electrically connected to the battery pack (3), a liquid cooling channel is provided in the liquid cooling plate (2), a cooling liquid outlet and a cooling liquid return port of the liquid cooling host (4) are respectively connected to the liquid inlet and the liquid outlet of the liquid cooling channel through pipelines, and the liquid cooling host (4) is used to drive the cooling liquid to circulate in the liquid cooling channel of the liquid cooling plate (2), and utilize the liquid cooling plate (2) to perform heat exchange with the battery pack (3).

2. The liquid-cooled outdoor energy storage cabinet according to claim 1, characterized in that: The plurality of liquid cooling plates (2) are distributed at equal intervals from top to bottom.

3. The liquid-cooled outdoor energy storage cabinet according to claim 2, characterized in that: A plurality of vertically arranged limiting strips (6) are fixed in the cabinet (1), and the plurality of limiting strips (6) are distributed at equal intervals at the front end of the liquid cooling plate (2) in the left-right direction.

4. The liquid-cooled outdoor energy storage cabinet according to claim 3, characterized in that: The left and right sides of the front end of the battery pack (3) are respectively formed with outer edges (30), and the left and right outer edges (30) respectively abut against two adjacent limiting strip edges (6).

5. The liquid-cooled outdoor energy storage cabinet according to claim 1, characterized in that: The front side of the cabinet body (1) is provided with a cabinet door (7).

6. The liquid-cooled outdoor energy storage cabinet according to claim 5, characterized in that: The cabinet (1) is provided with a liquid-cooled host chamber (8) and a high-pressure box chamber (9), the liquid-cooled host chamber (8) and the high-pressure box chamber (9) are arranged up and down, and the liquid-cooled host (4) and the high-pressure box (5) are fixed in the liquid-cooled host chamber (8) and the high-pressure box chamber (9), respectively.

7. The liquid-cooled outdoor energy storage cabinet according to claim 6, characterized in that: The front side of the cabinet body (1) is provided with two cabinet doors (7) that open opposite each other, one of the two cabinet doors (7) is aligned with the liquid cooling plate (2) and the battery pack (3), and the other of the two cabinet doors (7) is aligned with the liquid cooling main unit chamber (8) and the high voltage box chamber (9).

8. The liquid-cooled outdoor energy storage cabinet according to claim 7, characterized in that: A mesh plate (70) is provided on the cabinet door (7) on the front side of the liquid-cooled mainframe chamber (8).

9. The liquid-cooled outdoor energy storage cabinet according to claim 1, characterized in that: The upper and lower ends of the high-voltage box (5) are respectively provided with support ears (50), and the support ears (50) are fixed in the cabinet (1) by screws.

10. The liquid-cooled outdoor energy storage cabinet according to claim 1, characterized in that: The liquid cooling host (4) comprises two upper and lower fixing plates (40), and the fixing plates (40) are fixed in the cabinet (1) by screws.

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