A wind-cooled heat dissipation base for an energy storage battery pack

Abstract

This utility model discloses a wind-cooled heat dissipation base for an energy storage battery pack, including a battery pack body composed of several battery cells. A cover is provided on the top of the body, and a base is provided on the bottom of the body. The battery cells are arranged at intervals by intermediate limiting columns. An exhaust cooling device is provided inside the base. The exhaust cooling device includes several exhaust fans and exhaust hoods that are connected to each other from left to right and correspond one-to-one with the battery cells. Several air guide plates are slidably arranged on the lower end of the support end face of the base via guide rails. By sliding and adjusting the position of the air guide plates, the bottom of the battery cells is divided into several equally divided heat dissipation air channels A and heat dissipation air channels B for the gaps between the battery cells. This not only divides the bottom of the battery pack into an air channel structure that can achieve uniform heat dissipation, but more importantly, it also arranges heat dissipation air channels specifically for the gaps between the battery cells, thus achieving vertical, uniform, and comprehensive heat dissipation function.

Description

Technical Field

[0001] This utility model relates to the field of battery pack heat dissipation structure technology, and in particular to a wind-cooled heat dissipation base for an energy storage battery pack. Background Technology

[0002] With the rapid expansion of the new energy storage market, energy storage systems are being used in more and more diverse environments. As the core component of energy storage system products, the thermal management system of the energy storage battery pack has become a key element in controlling the stable operation of the battery system.

[0003] Existing forced air-cooled battery packs are cheaper than liquid-cooled battery packs, but the temperature difference between cells within the same system is difficult to control to an ideal range. The temperature difference is generally around 8°C, and may be even higher after more than a year of operation.

[0004] Existing air-cooling devices generally employ a horizontal ventilation structure added to the bottom of the battery pack. For example, patent CN221352932U describes an air-cooling base plate, which mainly adds an air duct structure and a horizontal air blowing structure to the bottom of the battery pack to remove the heat dissipated by the battery pack.

[0005] This structure can play a role in heat dissipation to a certain extent. However, since the battery pack is located above the heat dissipation device, the heat it dissipates may not be able to dissipate in time. Moreover, many battery pack assembly structures use intermediate limiting columns, and there are intermediate gaps between the cells. The heat generated during operation tends to accumulate in the intermediate gaps and is not easy to dissipate. Therefore, it is necessary to further improve the heat dissipation structure to make it more efficient and comprehensive in heat dissipation without leaving any dead corners. Utility Model Content

[0006] The technical problem to be solved by this utility model is to provide a wind-cooled heat dissipation base for an energy storage battery pack in order to overcome the shortcomings of the existing technology.

[0007] The technical solution adopted by this utility model to solve its technical problem is: a wind-cooled heat dissipation base for an energy storage battery pack, including a battery pack body composed of several battery cells, a cover is provided on the top of the body, a base is provided on the bottom of the body, and the battery cells are arranged at intervals by intermediate limiting columns and pressed together by fastening strips on the top.

[0008] The base is equipped with an exhaust cooling device, which includes several exhaust fans and exhaust hoods that are connected to each other and correspond one-to-one with the battery cells. The outer sides of the leftmost and rightmost exhaust hoods are connected to the support end face of the upper end of the base through a fastening structure.

[0009] The supporting end face supports the bottom of the battery cell. The inside of the supporting end face is a mesh ventilation structure. Several air guide plates are slidably arranged at the lower end of the supporting end face via guide rails. By sliding and adjusting the position of the air guide plates, the bottom of the battery cell is divided into several equally divided heat dissipation channels A and heat dissipation channels B for the gaps between the battery cells.

[0010] Furthermore, the upper end of the intermediate limiting column bar described in this utility model is inserted and connected to the fastening pressure bar;

[0011] By adopting the above technical solutions, a reasonable framework is provided for the arrangement of battery cells, making the overall structure more standardized and improving safety.

[0012] Furthermore, the fastening structure of this utility model includes a threaded plug-in post disposed at the outer end of the exhaust hood, the threaded plug-in post being inserted into a mating hole at the bottom of the support end face and fastened by bolts;

[0013] By adopting the above technical solution, the left and right ends are easy to connect, and it is convenient to disassemble and maintain at any time.

[0014] Furthermore, the left and right ends of the support end face of this utility model are also provided with side limiting protrusions;

[0015] By adopting the above technical solution, the battery cell is laterally limited, thus stabilizing the overall structure.

[0016] Furthermore, the intermediate limiting column bar of this utility model has ventilation mesh holes on its main body;

[0017] By adopting the above technical solution, the heat in the gap between the battery cells can be discharged more easily and quickly, thus improving the heat dissipation effect at the gap.

[0018] The beneficial effects of this utility model are as follows: This utility model improves the heat dissipation structure at the bottom of the battery pack, transforming the existing horizontal blowing heat dissipation into bottom exhaust heat dissipation. Furthermore, by adding an adjustable air guide plate, not only is the bottom of the battery pack divided into an air duct structure that can achieve uniform heat dissipation, but more importantly, a heat dissipation air duct is also specially arranged for the gap between the battery cells. Overall, vertical, uniform, and comprehensive heat dissipation is achieved, greatly enhancing the effect. Attached Figure Description

[0019] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0020] Figure 1 This is a schematic diagram of the structure of this utility model;

[0021] Figure 2 yes Figure 1 Enlarged view of point A in the image;

[0022] Figure 3 yes Figure 1 Enlarged view of point B in the image.

[0023] The following are the labels in the diagram: 1. Battery cell, 2. Cover, 3. Base, 4. Intermediate limiting post, 5. Fastening strip, 6. Exhaust fan, 7. Exhaust hood, 8. Support end face, 9. Guide rail, 10. Air guide plate, 11. Heat dissipation duct A, 12. Heat dissipation duct B, 13. Threaded plug post, 14. Butt hole, 15. Bolt, 16. Side limiting protrusion, 17. Ventilation mesh. Detailed Implementation

[0024] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0025] like Figures 1-3 The air-cooled heat dissipation base of the energy storage battery pack shown includes a battery pack body composed of several battery cells 1. A cover 2 is provided on the top of the body and a base 3 is provided on the bottom of the body. The battery cells 1 are arranged at intervals by intermediate limiting posts 4 and are pressed together by fastening strips 5 on the top.

[0026] The base 3 is equipped with an exhaust cooling device, which includes several exhaust fans 6 and exhaust hoods 7 that are connected to each other and correspond one-to-one with the battery cells. The outer sides of the leftmost and rightmost exhaust hoods 7 are connected to the support end face 8 at the upper end of the base 3 by a fastening structure.

[0027] The support end face 8 supports the bottom of the battery cell 1. The inside of the support end face 8 is a mesh ventilation structure. Several air guide plates 10 are slidably arranged at the lower end of the support end face 8 via the guide rail 9. By sliding and adjusting the position of the air guide plates 10, the bottom of the battery cell 1 is divided into several equally divided heat dissipation channels A11 and heat dissipation channels B12 for the gaps between the battery cells 1.

[0028] The upper end of the intermediate limiting post 4 is inserted and connected to the fastening pressure strip 5.

[0029] The fastening structure includes a threaded plug 13 located at the outer end of the exhaust hood 7. The threaded plug 13 is inserted into the mating hole 14 at the bottom of the support end face 8 and fastened by bolts 15.

[0030] Side limiting protrusions 16 are also provided at both ends of the support end face 8.

[0031] Ventilation mesh 17 is provided on the body of the intermediate limiting column 4.

[0032] Working principle:

[0033] Place the exhaust cooling device inside the base. According to the actual size of the battery cell, first slide and adjust the position of the air guide plate to divide the bottom of the battery cell into several equally divided heat dissipation air channels A and heat dissipation air channels B for the gaps between the battery cells. Then, place the exhaust hood, which is connected on both sides, over the heat dissipation air channels A and B, adjust the position around it to ensure complete coverage, and insert the threaded plugs on the left and right sides into the corresponding docking holes (multiple sets can be set in the front and rear rows), and tighten them with bolts. At this time, the exhaust hood is installed. Start the exhaust fan to achieve vertical heat dissipation of the battery pack, and under the action of heat dissipation air channels A and B, achieve uniform and comprehensive heat dissipation function without leaving any heat dissipation dead corners.

[0034] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A wind-cooled heat dissipation base for an energy storage battery pack, characterized in that: The battery pack includes a main body consisting of several battery cells (1), with a cover (2) on the top of the main body and a base (3) on the bottom of the main body. The battery cells (1) are arranged at intervals by intermediate limiting posts (4) and pressed together by fastening strips (5) on the top. The base (3) is equipped with a ventilation cooling device. The ventilation cooling device includes several ventilation fans (6) and ventilation hoods (7) that are connected to each other and correspond one-to-one with the battery cells. The outer sides of the ventilation hoods (7) at the leftmost and rightmost ends are connected to the support end face (8) at the upper end of the base (3) through a fastening structure. The supporting end face (8) supports the bottom of the battery cell (1). The inside of the supporting end face (8) is a mesh ventilation structure. Several air guide plates (10) are slidably arranged on the lower end of the supporting end face (8) via the guide rail (9). By sliding and adjusting the position of the air guide plates (10), the bottom of the battery cell (1) is divided into several equally divided heat dissipation channels A (11) and heat dissipation channels B (12) for the gaps between the battery cells (1).

2. The air-cooled heat dissipation base for an energy storage battery pack as described in claim 1, characterized in that: The upper end of the intermediate limiting post (4) is inserted and connected to the fastening pressure strip (5).

3. The air-cooled heat dissipation base for an energy storage battery pack as described in claim 1, characterized in that: The fastening structure includes a threaded plug (13) disposed at the outer end of the exhaust hood (7), the threaded plug (13) being inserted into the mating hole (14) at the bottom of the support end face (8) and fastened by bolts (15).

4. The air-cooled heat dissipation base for an energy storage battery pack as described in claim 1, characterized in that: The left and right ends of the support end face (8) are also provided with side limiting protrusions (16).

5. The air-cooled heat dissipation base for an energy storage battery pack as described in claim 1, characterized in that: The intermediate limiting column (4) has ventilation mesh (17) on its body.

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