Energy storage immersed battery pack

Abstract

The utility model belongs to the technical field of battery packs, and particularly relates to an energy storage immersed battery pack which comprises a battery pack body, the battery pack body comprises a box body, an upper cover and a battery module arranged in the box body, a liquid inlet is formed in the upper portion of the front side of the box body, and two sets of air cooling assemblies arranged side by side are arranged on the rear side in the box body. A cooling circulation assembly is arranged on the periphery of the upper portion of the box body and used for achieving internal and external circulation conveying of a cooling medium. The battery pack cooling device is reasonable in design, simple in structure and convenient to machine, diversity in the equipment cooling process is achieved, the cooling medium input and output process is more convenient, the working progress is improved, the use performance of a battery pack is improved, and the use requirement is effectively met.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of battery pack, especially, relate to a kind of energy storage immersion type battery pack. BACKGROUND

[0002] Energy conservation and environmental protection have become the main theme of manufacturing development, and electrification has become an important development direction of engineering machinery industry. With the popularization and application of new energy such as solar energy and wind energy, energy storage technology has also developed, and lithium battery gradually becomes the mainstream product of energy storage because of its high energy, long service life, high rated voltage, high power bearing, low self-discharge rate, light weight, green environmental protection and little water consumption in production.

[0003] With the development of battery pack industry, more and more users pay special attention to the endurance and quality of battery;However, in order to ensure the long endurance and high quality operation of battery pack, cooling of battery pack is essential;At present, the cooling form of battery mainly includes two kinds: liquid cooling and air cooling, wherein the air cooling technology has slow heat dissipation efficiency and is affected by environmental factors, the liquid cooling temperature control effect is good, and the temperature consistency of battery cell is high, the existing liquid cooling system is to set up liquid cooling plate, and then input cooling medium in the liquid cooling plate to complete the heat dissipation and cooling treatment of battery pack, but there are still some problems in actual use: on the one hand, when the cooling medium in the battery pack needs to be replaced, the working process is relatively inconvenient, the input and output process of cooling medium is limited, the time cost is more, and it cannot meet the use demand, on the other hand, the liquid cooling medium circulation process in the existing conventional liquid cooling system is relatively limited, that is, the heat dissipation and cooling effect of battery pack is insufficient, especially after the heat in battery pack exchanges with cooling medium, the circulation effect of cooling medium is poor, which affects the heat dissipation performance of battery pack, and cannot meet the use demand. UTILITARIAN CONTENT

[0004] The utility model discloses in view of the technical problem existing in the above-mentioned energy storage battery pack cooling process, propose a kind of energy storage immersion type battery pack, which is reasonable in design, simple in structure, easy to process and realizes the diversity in equipment cooling process, the input and output process of cooling medium is more convenient, improves work progress, improves the use performance of battery pack, effectively meets the use demand.

[0005] In order to achieve the above purpose, the utility model adopts the technical scheme of a kind of energy storage immersion type battery pack, including battery pack body, the battery pack body includes box, upper cover and the battery module placed in box, liquid inlet is provided on the front side of the box, the rear side in the box is provided with two groups of air cooling components arranged side by side, cooling circulation component is provided on the outer periphery of the box above, for realizing the internal and external circulation delivery of cooling medium.

[0006] As preferred, the cooling circulation assembly comprises a circulation pump arranged between the two groups of air cooling assemblies, the output end of the circulation pump is provided with a liquid outlet pipe, the end portions of the liquid outlet pipe are provided with outer delivery pipes arranged in an L shape, the end portions of the outer delivery pipes are provided with uniform distribution pipes arranged in a U shape, the uniform distribution pipes penetrate through the box and are placed above the inner side of the box, and a plurality of liquid outlet holes are uniformly arranged on the uniform distribution pipes.

[0007] As preferred, the air cooling assembly comprises an air cooling module, and the rear side of the box corresponding to the air cooling module is provided with a louver fan.

[0008] As preferred, a liquid guide pipe arranged in a vertical manner is arranged at the joint of the liquid outlet pipe and the outer delivery pipe.

[0009] As preferred, the lower portion of the box is provided with a carrier vertically arranged relative to the length direction of the box and supporting the battery module, and two flow-distributing strips are arranged between the two carriers, the two flow-distributing strips are a group and are placed below the battery module.

[0010] Compared with the prior art, the advantages and positive effects of the utility model are that,

[0011] 1. The energy storage immersion type battery pack provided by the utility model utilizes the air cooling assembly and the cooling circulation assembly arranged, so that the battery pack body is collectively air-cooled and liquid-cooled, the cooling effect in the battery pack body is ensured, the use demand is ensured, the cooling circulation assembly can realize circulation of the cooling medium according to different use demands, the cooling process is ensured, the cooling medium in the box can be conveniently discharged, the convenience of liquid input and output is improved, the use functionality is strong, the device is reasonable in design, simple in structure, convenient to process and realizes the diversity in the equipment cooling process, the input and output process of the cooling medium is more convenient, the work process is improved, the use performance of the battery pack is improved, and the use demand is effectively met. BRIEF DESCRIPTION OF DRAWINGS

[0012] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the drawings needed to be used in the embodiment description will be briefly introduced as follows. Obviously, the drawings in the following description are some embodiments of the utility model, and other drawings can be obtained by those skilled in the art without creative labor.

[0013] Figure 1 It is a structural schematic view of an energy storage immersion type battery pack.

[0014] Figure 2 It is a structural schematic view of an energy storage immersion type battery pack (not including an upper cover).

[0015] Figure 3 This is a schematic diagram of the internal structure of an energy storage submersible battery pack.

[0016] Figure 4 A top view of the internal structure of an energy storage submersible battery pack;

[0017] Figure 5 A schematic diagram of the internal structure of an energy storage submersible battery pack from another perspective;

[0018] In the above figures, 1. Box body; 2. Top cover; 3. Battery module; 4. Liquid inlet; 5. Air-cooled assembly; 51. Air-cooled module; 52. Louvered fan; 6. Cooling circulation assembly; 61. Circulation pump; 62. Liquid outlet pipe; 63. Distribution pipe; 631. Liquid outlet hole; 64. External discharge pipe; 7. Carrier frame; 8. Drainage strip; 9. Liquid guide pipe. Detailed Implementation

[0019] To better understand the above-mentioned objectives, features, and advantages of this utility model, the present utility model will be further described below with reference to the accompanying drawings and embodiments. It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.

[0020] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed in the following specification.

[0021] Examples, such as Figures 1-5 As shown, an energy storage immersion battery pack includes a battery pack body, which includes a housing 1, a top cover 2, and a battery module 3 placed inside the housing 1. A liquid inlet 4 is provided on the upper front side of the housing 1. The panel on the front side of the housing 1 also integrates structural components that are present in the prior art battery packs to ensure the integrity of its structure. The liquid inlet 4 provides convenient conditions for the input of cooling medium. Two sets of air-cooling components 5 are arranged side by side on the rear side of the housing 1, which can dissipate heat and cool the immersion cooling medium in the battery pack body to a certain extent, thus playing an auxiliary cooling role. A cooling circulation component 6 is provided on the outer periphery above the housing 1 to realize the internal and external circulation of the cooling medium. At the same time, the cooling circulation component 6 can also realize the convenient external output of the cooling medium, reduce the difficulty of operation, and ensure the effect of use.

[0022] In the above process: the established air cooling assembly 5 and cooling circulation assembly 6 make the battery pack body air-cooled and liquid-cooled, ensure the cooling effect in the battery pack body, guarantee the use demand, and for the established cooling circulation assembly 6, on the one hand, the circulation of the cooling medium can be realized to ensure the cooling process, and on the other hand, the cooling medium in the box 1 can be conveniently discharged to improve the convenience of liquid input and output, and the functionality is strong; the device is reasonable in design, simple in structure, convenient to process and realizes the diversity of the cooling process of the equipment, the input and output process of the cooling medium is more convenient, the working process is improved, the use performance of the battery pack is improved, and the use demand is effectively met.

[0023] In order to make the cooling medium realize heat exchange in a circulating manner when realizing the cooling function, thereby guaranteeing the cooling effect of the cooling medium to a certain extent, the cooling circulation assembly 6 comprises a circulating pump 61 arranged between the two air cooling assemblies 5, the output end of the circulating pump 61 is provided with a liquid outlet pipe 62, the end portions of the liquid outlet pipe 62 are provided with outer pipes arranged in an L shape, the connection portions of the liquid outlet pipe 62, the outer pipes and the liquid guide pipe 9 are in a four-way state, and the on-off of different directions can make the cooling circulation assembly 6 work under different conditions, further, the end portions of the outer pipes are provided with uniformly distributed pipes 63 arranged in a U shape, the uniformly distributed pipes 63 penetrate through the box 1 and are arranged above the inner side of the box 1, a plurality of liquid outlet holes 631 are uniformly arranged in the uniformly distributed pipes 63, and the specific description is as follows: when the box 1 is filled with the cooling medium through the liquid inlet 4, the circulating pump 61 is controlled to run, the input end of the circulating pump 61 extracts the cooling medium from below and transports the cooling medium to the liquid outlet pipe 62 through the pump body, and then transports the cooling medium through the outer pipes, wherein the cooling medium transported in the outer pipes can realize heat dissipation cooling to a certain extent, and finally the liquid outlet holes 631 of the uniformly distributed pipes 63 discharge the cooling medium, so that the cooling medium is transported inward in a spraying manner on the upper sides of the box 1, and the spraying effect of the cooling medium is uniform, which fully guarantees the cooling work and meets the use demand.

[0024] In order to further improve the cooling effect of the equipment, the air cooling assembly 5 comprises an air cooling module 51, and the rear side of the box 1 corresponding to the air cooling module 51 is provided with a louver fan 52, wherein the air cooling module 51 generally comprises a cover body, and a heat dissipation fan is arranged in the cover body, of course, the device is a mature and conventional technical means, and the specific composition will not be described again, in use, the battery module 3 in the box 1 is cooled by the circulating cooling medium on the one hand, and is cooled by the operation of the heat dissipation fan in the air cooling module 51 on the other hand, so that part of the heat in the box 1 is dissipated outward, which can assist heat dissipation cooling to a certain extent, greatly improves the use functionality of the device, and meets the use demand.

[0025] In order to realize the convenient export of the cooling liquid in the box 1, the connecting part of the liquid outlet pipe 62 and the outer delivery pipe is provided with a designed liquid guide pipe 9 arranged vertically thereto, and it is further needed to be explained that the outer delivery pipe in the cooling circulation assembly 6 is also provided with a valve (not shown in the figure) having the same use function as the electromagnetic valve, and the liquid guide pipe 9 is also provided with the above-mentioned valve, when the cooling circulation assembly 6 performs the cooling medium circulation work, the valve on the liquid guide pipe 9 is closed, and the valve on the outer delivery pipe is opened, so that the circulation of the cooling medium in the battery pack body can be realized by the operation of the circulating pump 61, and when the cooling medium in the box 1 needs to be exported, the valve on the outer delivery pipe is closed, and the valve on the liquid guide pipe 9 is opened, at this time, the cooling medium in the box 1 can be exported from the liquid guide pipe 9 by controlling the operation of the circulating pump 61, which realizes one machine with multiple uses, improves the use functionality of the device, and is simple and convenient to operate and has strong practicality.

[0026] In order to ensure the smoothness of the cooling medium when added into the box 1, so that the cooling medium can uniformly immerse the battery module 3, the lower part of the box 1 is provided with a carrier 7 which supports the battery module 3 and is vertically arranged relative to the length direction of the box 1, which can guide the input of the cooling medium while supporting the battery module 3, and further, two flow-removing strips 8 are arranged between the two carriers 7, the two flow-removing strips 8 are a group and are arranged below the battery module 3, and specifically, for the two flow-removing strips 8 close to the geometric center of the box 1 in the two groups of flow-removing strips 8, the geometric center therebetween is flush with the center line after the cooperation of the two groups of battery modules 3, the cooling medium is injected from the liquid inlet 4, and is affected by the carrier 7 on one side to flow to the edge close to the two sides and is fully laid, with the increase of the cooling medium, it rises in the same horizontal plane until the battery module 3 is immersed, which ensures that the cooling medium can surround the outside of the battery module 3 at the same speed and guarantees the smooth development of the cooling work.

[0027] The above is only a preferred embodiment of the present application, and is not intended to limit the present application in other forms, and any skilled person in the art can modify or change the above-mentioned technical content to equivalent embodiments applied to other fields, but any simple modification, equivalent change and modification of the above-mentioned embodiments according to the technical essence of the present application still belongs to the protection scope of the technical scheme of the present application.

Claims

1. A submersible energy storage battery pack, comprising a battery pack body, the battery pack body including a housing, a top cover, and a battery module disposed within the housing, characterized in that, An inlet is provided on the upper front side of the housing, and two sets of air-cooling components are arranged side by side on the rear side of the housing. A cooling circulation component is provided on the outer periphery above the housing to realize the internal and external circulation of the cooling medium.

2. The energy storage submersible battery pack according to claim 1, characterized in that, The cooling circulation assembly includes a circulation pump located between two sets of air-cooled assemblies. The output end of the circulation pump is provided with a liquid outlet pipe. The ends of the liquid outlet pipe are provided with external output pipes arranged in an L-shape on both sides. The ends of the external output pipes are provided with uniformly distributed pipes arranged in a U-shape, which penetrate the housing and are located on the upper inner side of the housing. Multiple liquid outlet holes are evenly distributed on the uniformly distributed pipes.

3. The energy storage submersible battery pack according to claim 2, characterized in that, The air-cooling component includes an air-cooling module, and a louvered fan is provided on the rear side of the housing corresponding to the air-cooling module.

4. The energy storage submersible battery pack according to claim 3, characterized in that, A liquid guide pipe is provided at the connection point with the liquid outlet pipe and the external delivery pipe, and is designed to be arranged perpendicular to them.

5. The energy storage submersible battery pack according to claim 4, characterized in that, The lower part of the housing is provided with a support frame that supports the battery module and is perpendicular to the length of the housing. A drainage strip is provided between two of the support frames. The two drainage strips form a group and are placed below the battery module.

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