Aluminum alloy immersed energy storage box

Abstract

The utility model relates to the technical field of liquid cooling energy storage, and discloses an aluminum alloy immersed energy storage box body, which comprises a left box plate, a right box plate, a front end beam and a rear end beam, the left box plate comprises a left horizontal box plate and a left vertical box plate, the interior of the left horizontal box plate is a cavity, the upper wall of the left horizontal box plate is provided with an opening, the right box plate comprises a right horizontal box plate and a right vertical box plate, and the upper wall of the right horizontal box plate is provided with a cavity. The front end beam comprises a water inlet assembly, a front box plate and a water outlet assembly, the water inlet assembly comprises a water inlet frame and a water inlet connector, the water inlet frame is of a hollow structure, a plurality of holes are formed in the side wall, facing the interior of the box body, of the water inlet frame, and the water outlet connector is connected with the water inlet assembly. The water inlet connector is connected with the side wall, facing the outside of the box body, of the water inlet frame body, the water outlet assembly comprises a water outlet frame body and a water outlet connector, and the water outlet frame body is communicated with the left horizontal box plate and the right horizontal box plate. The flow rate of a cooling medium is increased, the heat dissipation effect is improved, and the light weight effect is obvious.

Description

TECHNICAL FIELD

[0001] The utility model relates to liquid cooling energy storage technical field, concretely relates to an aluminum alloy immersion type energy storage box. BACKGROUND

[0002] The mainstream technical route of current energy storage thermal management is air cooling and liquid cooling, wherein the liquid cooling technology can realize accurate temperature control of the battery through the direct heat dissipation mode of liquid convection and ensure the uniformity of cooling. In comparison, the air cooling technology has lower cost, but the heat dissipation efficiency is not high, and the accurate temperature control of the battery cannot be realized. Therefore, with the rapid development of the energy storage market and the involvement of more and more practical application projects, the liquid cooling energy storage system is rapidly becoming the mainstream technical route in the market. Common liquid cooling modes include cold plate type, spraying type and immersion type. Among them, the immersion type liquid cooling has the highest heat transfer efficiency and can avoid local hot spots, is an important technical means for solving various problems faced by the heat dissipation system in the high-performance computing environment, and is the main trend of the development of the liquid cooling energy storage.

[0003] However, the existing immersion type energy storage box is usually made of steel plate and welded, the module support is welded on the box plate, the front end of the box plate is connected with the water inlet and outlet, is very simple, the liquid flow rate in the box is slow, and the heat dissipation effect is not ideal. As a container of the liquid cooling medium, the immersion type energy storage box is easy to rust, and is easy to rust through after long-term use, so that the service life of the box is low and safety accidents are easy to occur, which seriously affects the safety of the machine body and has certain safety hazards. In addition, one of the disadvantages of steel products is heavy, which cannot meet the lightweight demand. In view of the above problems, it is necessary to research and design a new type of aluminum alloy immersion type energy storage box to overcome the problems existing in the existing immersion type energy storage box. SUMMARY

[0004] In order to solve the problems of the existing immersion type energy storage box, such as the heavy overall box, the low flow rate of the liquid cooling medium therein and the poor heat dissipation effect, the utility model provides an aluminum alloy immersion type energy storage box.

[0005] The utility model discloses the technical scheme adopted for realizing the above-mentioned purposes is as follows: an aluminum alloy immersion type energy storage box comprises

[0006] The left box plate is an L-shaped plate comprising a left horizontal box plate and a left vertical box plate, the inside of the left horizontal box plate is a cavity, and the upper wall of the left horizontal box plate is provided with an opening;

[0007] The right box plate is an L-shaped plate comprising a right horizontal box plate and a right vertical box plate, the inside of the right horizontal box plate is a cavity, the upper wall of the right horizontal box plate is provided with an opening, and the left horizontal box plate is connected with the right horizontal box plate;

[0008] A front end beam, a left end of the front end beam is connected with the left vertical cabinet plate, a right end of the front end beam is connected with the right vertical cabinet plate, the front end beam comprises a water inlet assembly, a front cabinet plate and a water outlet assembly, the water inlet assembly is arranged on the upper end of the front cabinet plate, the water inlet assembly comprises a water inlet frame and a water inlet interface, the water inlet frame is a hollow structure, a plurality of openings are arranged on the side wall of the water inlet frame facing the inside of the cabinet, the water inlet interface is connected with the side wall of the water inlet frame facing the outside of the cabinet, the water outlet assembly is arranged on the lower end of the front cabinet plate, the water outlet assembly comprises a water outlet frame and a water outlet interface, the water outlet frame is a hollow structure, the water outlet frame is communicated with the left horizontal cabinet plate and the right horizontal cabinet plate, and the water outlet interface is connected with the side wall of the water outlet frame facing the outside of the cabinet.

[0009] A rear end beam, a left end of the rear end beam is connected with the left vertical cabinet plate, a right end of the rear end beam is connected with the right vertical cabinet plate, and a connecting plate is arranged on the lower end of the rear end beam and connected with the left horizontal cabinet plate and the right horizontal cabinet plate.

[0010] According to the aluminum alloy submerged energy storage cabinet provided by some embodiments of the utility model, the inside of the left vertical cabinet plate is a cavity, and a plurality of reinforcing ribs are arranged in the inside of the left vertical cabinet plate.

[0011] According to the aluminum alloy submerged energy storage cabinet provided by some embodiments of the utility model, the inside of the right vertical cabinet plate is a cavity, and a plurality of reinforcing ribs are arranged in the inside of the right vertical cabinet plate.

[0012] According to the aluminum alloy submerged energy storage cabinet provided by some embodiments of the utility model, the left horizontal cabinet plate and the right horizontal cabinet plate are connected through friction stir welding.

[0013] According to the aluminum alloy submerged energy storage cabinet provided by some embodiments of the utility model, the side wall of the communication opening is inserted into the side wall of the left horizontal cabinet plate or the right horizontal cabinet plate.

[0014] According to the aluminum alloy submerged energy storage cabinet provided by some embodiments of the utility model, the side wall of the communication opening is inserted into the side wall of the left horizontal cabinet plate or the right horizontal cabinet plate.

[0015] According to the aluminum alloy submerged energy storage cabinet provided by some embodiments of the utility model, a module front mounting beam is arranged on the upper end of the water inlet frame, and a module rear mounting beam is arranged on the upper end of the connecting plate.

[0016] According to the aluminum alloy submerged energy storage cabinet provided by some embodiments of the utility model, the inside of the front cabinet plate is a cavity, and a plurality of reinforcing ribs are arranged in the inside of the front cabinet plate.

[0017] According to the aluminum alloy immersed energy storage box body of some embodiments of the utility model, the front box plate is equipped with module line mounting hole.

[0018] According to the aluminum alloy immersed energy storage box body of some embodiments of the utility model, the rear end beam is internally hollow, and a plurality of reinforcing ribs are arranged in the rear end beam.

[0019] The aluminum alloy immersed energy storage box body of the utility model, through complicated multi-cavity structure such as water inlet frame body, left horizontal box plate, right horizontal box plate and water outlet frame body as liquid cooling water channel, increase the flow rate of cooling medium, effectively improve the overall heat dissipation effect, integrally connect left horizontal box plate and left vertical box plate, integrally connect right horizontal box plate and right vertical box plate, utilize extruded section material structure characteristics to carry out cross section integration design, effectively reduce the welding connection mode, avoid the strength loss caused by welding, also effectively improve the production efficiency, water outlet frame body and left horizontal box plate and right horizontal box plate are connected through plug-in structure and friction stir welding, greatly reduce the strength loss after welding, improve the strength of the connection position, through the cross section integration design of the mounting piece of battery module and the box body structure, effectively avoid the strength loss caused by welding, in addition, the whole box body plate is hollow, effectively reduce the box body quality, the light weight effect is obvious, can be widely applied to the liquid cooling energy storage field. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is the three-dimensional structure schematic diagram of the aluminum alloy immersed energy storage box body of the utility model;

[0021] Figure 2 It is the three-dimensional structure schematic diagram of the left horizontal box plate and the right horizontal box plate connection of the utility model;

[0022] Figure 3 It is the three-dimensional structure schematic diagram of the front end beam of the utility model;

[0023] Figure 4 It is the cross section structure schematic diagram of the left box plate of the utility model;

[0024] Figure 5 It is the cross section structure schematic diagram of the right box plate of the utility model;

[0025] Figure 6 It is the structure schematic diagram of the front end beam and left horizontal box plate connection of the utility model.

[0026] In the figure: 1, left box plate, 1-1, left horizontal box plate, 1-2, left vertical box plate, 2, right box plate, 2-1, right horizontal box plate, 2-2, right vertical box plate, 3, front end beam, 3-1, water inlet frame, 3-2, water inlet interface, 3-3, front box plate, 3-4, water outlet frame, 3-5, water outlet interface, 3-6, communication opening, 4, rear end beam, 5, connecting plate, 6, module front mounting beam, 7, module rear mounting beam, 8, module wire mounting hole. DETAILED DESCRIPTION

[0027] The embodiments of the present application will be further described below in conjunction with the drawings and examples. The following examples are used to illustrate the present application, but cannot be used to limit the scope of the present application.

[0028] In the description of the present application, it should be noted that the terms "upper", "lower", "front", "rear", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. The terms "mounting", "connecting" and "connecting" should be understood broadly, for example, they can be fixedly connected, or detachably connected, or integrally connected; they can be mechanically connected, or electrically connected; they can be directly connected, or indirectly connected through an intermediate medium, or connected internally between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0029] The aluminum alloy immersion type energy storage box of the present embodiment is used to cool the battery module, as shown in Figure 1 The left box plate 1 is an L-shaped plate including a left horizontal box plate 1-1 and a left vertical box plate 1-2 connected to each other, and the left horizontal box plate 1-1 and the left vertical box plate 1-2 are integrally connected, effectively reducing the welding connection and enhancing the strength of the overall structure. The left horizontal box plate 1-1 is hollow inside, and the upper wall of the left horizontal box plate 1-1 is provided with an opening; the right box plate 2 is an L-shaped plate including a right horizontal box plate 2-1 and a right vertical box plate 2-2 connected to each other, and the right horizontal box plate 2-1 and the right vertical box plate 2-2 are integrally connected, effectively reducing the welding connection and enhancing the strength of the overall structure. The right horizontal box plate 2-1 is hollow inside, and the upper wall of the right horizontal box plate 2-1 is provided with an opening, as shown in Figure 2 The left horizontal box plate 1-1 is connected with the right horizontal box plate 2-1; the left end of the front end beam 3 is connected with the left vertical box plate 1-2, and the right end of the front end beam 3 is connected with the right vertical box plate 2-2, as shown in Figure 3As shown, the front end beam 3 includes a water inlet assembly, a front box plate 3-3 and a water outlet assembly, the water inlet assembly is arranged at the upper end of the front box plate 3-3, the water inlet assembly includes a water inlet frame body 3-1 and a water inlet interface 3-2, the water inlet frame body 3-1 is a hollow structure, a plurality of openings are arranged on the side wall of the water inlet frame body 3-1 facing the inside of the box, the water inlet interface 3-2 is connected with the side wall of the water inlet frame body 3-1 facing the outside of the box, the water outlet assembly is arranged at the lower end of the front box plate 3-3, the water outlet assembly includes a water outlet frame body 3-4 and a water outlet interface 3-5, the water outlet frame body 3-4 is a hollow structure, the water outlet frame body 3-4 is communicated with the left horizontal box plate 1-1 and the right horizontal box plate 2-1, and the water outlet interface 3-5 is connected with the side wall of the water outlet frame body 3-4 facing the outside of the box; the left end of the rear end beam 4 is connected with the left vertical box plate 1-2, the right end of the rear end beam 4 is connected with the right vertical box plate 2-2, and the lower end of the rear end beam 4 is provided with a connecting plate 5 which is integrally connected with the rear end beam 4, and the connecting plate 5 is connected with the left horizontal box plate 1-1 and the right horizontal box plate 2-1.

[0030] It should be noted that, as preferred in the present embodiment, as shown in Figure 4 As shown, the inside of the left vertical box plate 1-2 is a cavity, and a plurality of reinforcing ribs are arranged in the inside of the left vertical box plate 1-2, through the design of the cavity, the overall weight of the device can be reduced, and through the arrangement of the reinforcing ribs, the overall strength of the structure can be increased, and more preferably, the inside of the left vertical box plate 1-2 is not communicated with the inside of the left horizontal box plate 1-1. As shown in Figure 5 As shown, the inside of the right vertical box plate 2-2 is a cavity, and a plurality of reinforcing ribs are arranged in the inside of the right vertical box plate 2-2, through the design of the cavity, the overall weight of the device can be reduced, and through the arrangement of the reinforcing ribs, the overall strength of the structure can be increased, and more preferably, the inside of the right vertical box plate 2-2 is not communicated with the inside of the right horizontal box plate 2-1. More preferably, the left horizontal box plate 1-1 and the right horizontal box plate 2-1 can be connected by friction stir welding. The left box plate 1 and the right box plate 2 can adopt the same cross-sectional structure, and the shapes of the left box plate 1 and the right box plate 2 can be the same. More preferably, the aluminum alloy extruded profiles of the left box plate 1 and the right box plate 2 are all selected from 6005A-T6 alloy, the extrusion tonnage is 9000T, and the wall thickness is 3mm.

[0031] It should be noted that, as preferred in the present embodiment, as shown in Figure 6 As shown, the side of the water inlet frame body 3-1 communicated with the left horizontal box plate 1-1 and the right horizontal box plate 2-1 is provided with a communication opening 3-6, the side wall of the communication opening 3-6 is inserted into the side wall of the left horizontal box plate 1-1 or the right horizontal box plate 2-1, and more preferably, the side wall of the communication opening 3-6 is connected with the side wall of the left horizontal box plate 1-1 or the right horizontal box plate 2-1 by friction stir welding, through the plug-in structure and the friction stir welding connection, the strength loss after welding is greatly reduced, and the strength of the connection position is improved.

[0032] It should be noted that, as a preferred embodiment of the present embodiment, the upper end of the water inlet frame 3-1 is provided with a module front mounting beam 6, and the upper end of the connecting plate 5 is provided with a module rear mounting beam 7. More preferably, the module front mounting beam 6 is designed to be integrated with the water inlet frame 3-1 in cross section, and the module rear mounting beam 7 is also designed to be integrated with the connecting plate 5 in cross section, effectively avoiding the strength loss caused by welding. The module front mounting beam 6 and the module rear mounting beam 7 are used to support the battery module, preventing the battery module from contacting the upper surface of the left horizontal tank plate 1-1 and the right horizontal tank plate 2-1, and affecting the flow of the cooling liquid.

[0033] It should be noted that, as a preferred embodiment of the present embodiment, the inside of the front tank plate 3-3 is a cavity, and the inside of the front tank plate 3-3 is provided with a plurality of reinforcing ribs. Through the design of the cavity, the overall weight of the device can be reduced, and the overall strength of the structure can be increased by setting the reinforcing ribs. More preferably, the front tank plate 3-3 is not connected to the inside of the water inlet frame 3-1 and the water outlet frame 3-4, and the front tank plate 3-3 is provided with a module wire mounting hole 8. The front end beam 3 is designed to be integrated in cross section, integrating the water inlet assembly, the front tank plate 3-3 and the water outlet assembly, and designing a unique cross section of the integrally extruded energy storage tank body. Then replace the original steel structural parts. The aluminum profile structure is formed by extrusion, the internal organization is more uniform, the toughness is stronger, and there are no defects such as shrinkage, porosity and slag hole in the inside, the reliability of the part is higher, the front end beam 3 aluminum alloy extruded profile selects 6005A-T6 alloy, the extrusion tonnage is 3600T, and the wall thickness is 2mm. The inside of the rear end beam 4 is a cavity, and the inside of the rear end beam 4 is not connected to the inside of the left horizontal tank plate 1-1 and the right horizontal tank plate 2-1. The rear end beam 4 is provided with a plurality of reinforcing ribs, and the rear end beam 4 is designed to be integrated with the connecting plate 5. The rear end beam 4 aluminum alloy extruded profile selects 6005A-T6 alloy, the extrusion tonnage is 3600T, and the wall thickness is 2mm. The aluminum alloy material has excellent corrosion resistance, which can greatly prolong the service life of the tank body and reduce the weight of the tank body. After the tank body is welded, the whole is machined after welding, and the weight reduction rate of the product reaches 30-40%.

[0034] When the aluminum alloy immersed energy storage tank body of the present embodiment is used to cool the battery module, the battery module is placed inside the tank body and placed on the module front mounting beam 6 and the module rear mounting beam 7. The wires of the battery module are passed through the module wire mounting hole 8, the cooling liquid enters the water inlet frame 3-1 through the water inlet interface 3-2, then flows into the inside of the tank body through the multiple openings on the side wall of the water inlet frame 3-1 facing the inside of the tank body, and cools the battery module. Subsequently, the cooling liquid flows into the inside of the left horizontal tank plate 1-1 and the right horizontal tank plate 2-1 through the openings on the left horizontal tank plate 1-1 and the right horizontal tank plate 2-1, and then flows into the inside of the water outlet frame 3-4 through the communication opening 3-6. Finally, the cooling liquid flows out of the device through the water outlet interface 3-5. The water flow continuously enters and flows out of the inside of the tank body, so as to achieve the purpose of cooling the battery module.

[0035] The embodiments of the present application are given for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present application to the forms disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. Embodiments were chosen and described in order to best explain the principles of the present application and its practical application, and to thereby enable others skilled in the art to best utilize the present application with various modifications as are suited to the particular use contemplated.

Claims

1. An aluminum alloy immersed energy storage tank characterized by, Comprising The left box plate (1) is an L-shaped plate including a left horizontal box plate (1-1) and a left vertical box plate (1-2), the left horizontal box plate (1-1) is hollow inside, and the upper wall of the left horizontal box plate (1-1) is provided with an opening; The right box plate (2) is an L-shaped plate including a right horizontal box plate (2-1) and a right vertical box plate (2-2), the right horizontal box plate (2-1) is hollow inside, and the upper wall of the right horizontal box plate (2-1) is provided with an opening, and the left horizontal box plate (1-1) is connected with the right horizontal box plate (2-1); The front end beam (3) is connected with the left vertical box plate (1-2) at the left end and connected with the right vertical box plate (2-2) at the right end, and the front end beam (3) includes a water inlet assembly, a front box plate (3-3), and a water outlet assembly, the water inlet assembly is arranged on the upper end of the front box plate (3-3), the water inlet assembly includes a water inlet frame (3-1) and a water inlet interface (3-2), the water inlet frame (3-1) is a hollow structure, the side wall of the water inlet frame (3-1) facing the inside of the box is provided with a plurality of openings, the water inlet interface (3-2) is connected with the side wall of the water inlet frame (3-1) facing the outside of the box, the water outlet assembly is arranged on the lower end of the front box plate (3-3), the water outlet assembly includes a water outlet frame (3-4) and a water outlet interface (3-5), the water outlet frame (3-4) is a hollow structure, the water outlet frame (3-4) is communicated with the left horizontal box plate (1-1) and the right horizontal box plate (2-1), and the water outlet interface (3-5) is connected with the side wall of the water outlet frame (3-4) facing the outside of the box; The left end of the rear end beam (4) is connected with the left vertical box plate (1-2), the right end of the rear end beam (4) is connected with the right vertical box plate (2-2), and the lower end of the rear end beam (4) is provided with a connecting plate (5), and the connecting plate (5) is connected with the left horizontal box plate (1-1) and the right horizontal box plate (2-1).

2. An aluminum alloy immersed energy storage tank according to claim 1, characterized in that, The left vertical box plate (1-2) is hollow inside, and a plurality of reinforcing ribs are arranged inside the left vertical box plate (1-2).

3. The aluminum alloy immersed energy storage tank of claim 1, wherein, The right vertical box plate (2-2) is hollow inside, and a plurality of reinforcing ribs are arranged inside the right vertical box plate (2-2).

4. The aluminum alloy immersed energy storage tank of claim 1, wherein, The left horizontal box plate (1-1) and the right horizontal box plate (2-1) are connected by friction stir welding.

5. An aluminum alloy immersed energy storage tank as defined in claim 4 wherein, The water inlet frame (3-1) is provided with a communication opening (3-6) on the side communicated with the left horizontal box plate (1-1) and the right horizontal box plate (2-1), and the side wall of the communication opening (3-6) is inserted into the side wall of the left horizontal box plate (1-1) or the right horizontal box plate (2-1).

6. An aluminum alloy immersed energy storage tank as defined in claim 5 wherein, The side wall of the communication opening (3-6) and the side wall of the left horizontal box plate (1-1) or the right horizontal box plate (2-1) are connected by friction stir welding.

7. An aluminum alloy immersed energy storage tank as defined in claim 1 wherein, The water inlet frame (3-1) is provided with a module front mounting beam (6) on the upper end, and the connecting plate (5) is provided with a module rear mounting beam (7) on the upper end.

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