Electric energy storage lithium ion battery pack based on air cooling

Abstract

The utility model discloses an electric energy storage lithium ion battery pack based on air cooling, which comprises a box body module and a battery module, the battery module is arranged in the box body module, and the box body module comprises a top plate, a bottom plate, a front plate, a rear plate, a first side plate and a second side plate, a first bending part is arranged at the top end of the front plate, a second bending part is arranged at the bottom of the front plate, the front plate is fixedly connected with the top plate through the first bending part, and the front plate is fixedly connected with the bottom plate through the second bending part. According to the electric energy storage lithium ion battery pack based on air cooling disclosed by the utility model, on one hand, the battery module is protected and stably mounted through the box body module, and on the other hand, the battery module is efficiently cooled through the fan and the air inlet holes, so that the electric energy storage lithium ion battery pack has the advantages of stable structure, good cooling effect, high practicability and the like.

Description

Technical Field

[0001] The utility model belongs to the technical field of battery packs, and in particular relates to an air-cooled electric energy storage lithium-ion battery pack. Background Art

[0002] Since the energy storage lithium battery pack is large and generates a lot of heat during the charging and discharging process, the use environment of the energy storage station is changeable, and the layout space of the energy storage container is limited, which easily leads to poor heat dissipation conditions, resulting in the accumulation of heat in the battery pack and temperature rise, which in turn affects the performance and life of the energy storage lithium battery and even causes thermal runaway.

[0003] Therefore, it is necessary to design and optimize the heat dissipation structure of the energy storage battery pack to meet the heat dissipation requirements of the battery module and improve the safety of the battery pack. Utility Model Content

[0004] The main purpose of the utility model is to provide an air-cooled electric energy storage lithium-ion battery pack, which protects and securely installs the battery module through a box module on the one hand, and efficiently dissipates heat from the battery module through a fan and air inlet holes on the other hand. It has the advantages of stable structure, good heat dissipation effect and high practicality.

[0005] To achieve the above purpose, the utility model provides an air-cooled power storage lithium-ion battery pack, comprising a box module and a battery module, wherein the battery module is built into the box module, and the box module comprises a top plate, a bottom plate, a front plate, a rear plate, a first side plate, and a second side plate, wherein:

[0006] The top of the front plate is provided with a first bending portion and the bottom of the front plate is provided with a second bending portion, the front plate is fixedly connected to the top plate through the first bending portion and the front plate is fixedly connected to the bottom plate through the second bending portion, the middle area of ​​the front plate (between the first bending portion and the second bending portion) is provided with a first fan placement area, a second fan placement area, an inspection plate placement area and a connector placement area, the first fan placement area is installed with a first fan and the second fan placement area is installed with a second fan, the inspection plate placement area is installed with an inspection plate and the connector placement area is installed with a connector;

[0007] The first side panel is provided with a first extension portion, a second extension portion and a plurality of first air inlet holes, the first side panel is fixedly connected to the front panel via the first extension portion and the first side panel is fixedly connected to the bottom panel via the second extension portion;

[0008] The second side panel is provided with a third extension portion, a fourth extension portion and a plurality of second air inlet holes, the second side panel is fixedly connected to the front panel via the third extension portion and the second side panel is fixedly connected to the bottom panel via the fourth extension portion.

[0009] As a further preferred technical solution of the above technical solution, the box module also includes a first ear unit and a second ear unit, the first ear unit is fixedly installed on the side of the first side panel close to the front panel, and the second ear unit is fixedly installed on the side of the second side panel close to the front panel.

[0010] As a further preferred technical solution of the above technical solution, the first ear hook unit is provided with a first ear hook bending portion, a second ear hook bending portion and a first handle portion, the first ear hook bending portion is close to the top plate and the second ear hook bending portion is close to the bottom plate, and the first handle portion is located between the first ear hook bending portion and the second ear hook bending portion.

[0011] As a further preferred technical solution of the above technical solution, the second ear hook unit is provided with a third ear hook bending portion, a fourth ear hook bending portion and a second handle portion, the third ear hook bending portion is close to the top plate and the fourth ear hook bending portion is close to the bottom plate, and the second handle portion is located between the third ear hook bending portion and the fourth ear hook bending portion.

[0012] As a further preferred technical solution of the above technical solution, the first hanging ear bending portion, the second hanging ear bending portion, the third hanging ear bending portion and the fourth hanging ear bending portion are all provided with connecting holes. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a structural schematic diagram of an air-cooled electric energy storage lithium-ion battery pack of the utility model.

[0014] Figure 2 It is a structural schematic diagram of an air-cooled electric energy storage lithium-ion battery pack of the utility model.

[0015] Figure 3 It is a structural schematic diagram of the front plate of the air-cooled electric energy storage lithium-ion battery pack of the utility model.

[0016] Figure 4 It is a structural schematic diagram of a top plate, a first side plate and a second side plate of an air-cooled electric energy storage lithium-ion battery pack of the utility model.

[0017] Figure 5 It is a structural schematic diagram of a first hanging ear unit and a second hanging ear unit of an electric energy storage lithium-ion battery pack based on air cooling of the utility model.

[0018] Reference numerals include: 100, box module; 110, top plate; 120, bottom plate; 130, front plate; 131, first bending portion; 132, second bending portion; 133, first fan placement area; 1331, first fan; 134, second fan placement area; 1341, second fan; 135, access panel placement area; 1351, access panel; 136, connector placement area; 1361, connector; 140, rear plate; 150, first side plate; 151 , the first extension part; 152, the second extension part; 153, the first air inlet hole; 160, the second side panel; 161, the third extension part; 162, the fourth extension part; 163, the second air inlet hole; 170, the first ear unit; 171, the first ear bending part; 1711, the connecting hole; 172, the second ear bending part; 173, the first handle part; 180, the second ear unit; 181, the third ear bending part; 182, the fourth ear bending part; 183, the second handle part. DETAILED DESCRIPTION

[0019] The following description is used to disclose the utility model so that those skilled in the art can implement the utility model. The preferred embodiments described below are only examples, and those skilled in the art can think of other obvious variations. The basic principles of the utility model defined in the following description can be applied to other embodiments, variations, improvements, equivalents, and other technical solutions that do not deviate from the spirit and scope of the utility model.

[0020] The utility model discloses an electric energy storage lithium-ion battery pack based on air cooling. The specific embodiments of the utility model are further described below in conjunction with the preferred embodiments.

[0021] In the embodiments of the present invention, those skilled in the art will note that the battery module and the like involved in the present invention may be regarded as prior art.

[0022] Preferred embodiments.

[0023] like Figure 1-5 As shown, the utility model discloses a power energy storage lithium-ion battery pack based on air cooling, including a box module 100 and a battery module (not shown), wherein the battery module is built in the box module 100, and the box module 100 includes a top plate 110, a bottom plate 120, a front plate 130, a rear plate 140, a first side plate 150 and a second side plate 160, wherein:

[0024] The top of the front plate 130 is provided with a first bending portion 131 and the bottom of the front plate 130 is provided with a second bending portion 132, the front plate 130 is fixedly connected to the top plate 110 through the first bending portion 131 and the front plate 130 is fixedly connected to the bottom plate 120 through the second bending portion 12, the middle area of ​​the front plate 130 (between the first bending portion and the second bending portion) is provided with a first fan placement area 133, a second fan placement area 134, an inspection plate placement area 135 and a connector placement area 136, the first fan placement area 133 is installed with a first fan 1331 and the second fan placement area 134 is installed with a second fan 1341, the inspection plate placement area 135 is installed with an inspection plate 1351 and the connector placement area 136 is installed with a connector 1361;

[0025] The first side panel 150 is provided with a first extension portion 151, a second extension portion 152 and a plurality of first air inlet holes 153, the first side panel 150 is fixedly connected to the front panel 130 via the first extension portion 151 and the first side panel 150 is fixedly connected to the bottom panel 120 via the second extension portion 152;

[0026] The second side panel 160 is provided with a third extension portion 161 , a fourth extension portion 162 and a plurality of second air inlet holes 163 . The second side panel 160 is fixedly connected to the front panel 130 via the third extension portion 161 and the second side panel 160 is fixedly connected to the bottom panel 120 via the fourth extension portion 162 .

[0027] Specifically, the box module 100 also includes a first ear unit 170 and a second ear unit 180, the first ear unit 170 is fixedly installed on the side of the first side panel 150 close to the front panel 130, and the second ear unit 180 is fixedly installed on the side of the second side panel 160 close to the front panel 130.

[0028] More specifically, the first ear hook unit 170 is provided with a first ear hook bending portion 171, a second ear hook bending portion 172 and a first handle portion 173, the first ear hook bending portion 171 is close to the top plate 110 and the second ear hook bending portion 172 is close to the bottom plate 120, and the first handle portion 173 is located between the first ear hook bending portion 171 and the second ear hook bending portion 172.

[0029] Furthermore, the second ear hook unit 180 is provided with a third ear hook bending portion 181, a fourth ear hook bending portion 182 and a second handle portion 183, the third ear hook bending portion 181 is close to the top plate 110 and the fourth ear hook bending portion 182 is close to the bottom plate 120, and the second handle portion 183 is located between the third ear hook bending portion 181 and the fourth ear hook bending portion 182.

[0030] Furthermore, the first hanging ear bending portion 171, the second hanging ear bending portion 172, the third hanging ear bending portion 181 and the fourth hanging ear bending portion 182 are all provided with a connecting hole 1711 (for pressing and fixing the entire battery pack).

[0031] For this utility model:

[0032] When the battery module is working, air is taken in through the first air inlet hole of the first side plate and the second air inlet hole of the second side plate, and then the hotter air is discharged through the first fan and the second fan, making contact with the battery module over a large area for efficient heat dissipation.

[0033] It is worth mentioning that the technical features such as battery modules involved in this utility model patent application should be regarded as prior art. The specific structure, working principle and possible control method and spatial layout method of these technical features can be selected by conventional methods in the field, and should not be regarded as the inventive point of this utility model patent. This utility model patent will not be further elaborated.

[0034] For those skilled in the art, it is still possible to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A power energy storage lithium-ion battery pack based on air cooling, characterized in that: It includes a box module and a battery module, wherein the battery module is built in the box module, and the box module includes a top plate, a bottom plate, a front plate, a rear plate, a first side plate, and a second side plate, wherein: The top of the front plate is provided with a first bending portion and the bottom of the front plate is provided with a second bending portion, the front plate is fixedly connected to the top plate through the first bending portion and the front plate is fixedly connected to the bottom plate through the second bending portion, the middle area of ​​the front plate is provided with a first fan placement area, a second fan placement area, an inspection plate placement area and a connector placement area, the first fan placement area is installed with a first fan and the second fan placement area is installed with a second fan, the inspection plate placement area is installed with an inspection plate and the connector placement area is installed with a connector; The first side panel is provided with a first extension portion, a second extension portion and a plurality of first air inlet holes, the first side panel is fixedly connected to the front panel via the first extension portion and the first side panel is fixedly connected to the bottom panel via the second extension portion; The second side panel is provided with a third extension portion, a fourth extension portion and a plurality of second air inlet holes, the second side panel is fixedly connected to the front panel via the third extension portion and the second side panel is fixedly connected to the bottom panel via the fourth extension portion.

2. The air-cooled power storage lithium-ion battery pack according to claim 1, characterized in that: The box module also includes a first hanging ear unit and a second hanging ear unit. The first hanging ear unit is fixedly installed on a side of the first side plate close to the front plate, and the second hanging ear unit is fixedly installed on a side of the second side plate close to the front plate.

3. The air-cooled power energy storage lithium-ion battery pack according to claim 2, characterized in that: The first ear hook unit is provided with a first ear hook bending portion, a second ear hook bending portion and a first handle portion, the first ear hook bending portion is close to the top plate and the second ear hook bending portion is close to the bottom plate, and the first handle portion is located between the first ear hook bending portion and the second ear hook bending portion.

4. The air-cooled power energy storage lithium-ion battery pack according to claim 3, characterized in that: The second ear hook unit is provided with a third ear hook bending portion, a fourth ear hook bending portion and a second handle portion, the third ear hook bending portion is close to the top plate and the fourth ear hook bending portion is close to the bottom plate, and the second handle portion is located between the third ear hook bending portion and the fourth ear hook bending portion.

5. The air-cooled power energy storage lithium-ion battery pack according to claim 4, characterized in that: The first hanging ear bending portion, the second hanging ear bending portion, the third hanging ear bending portion and the fourth hanging ear bending portion are all provided with connecting holes.

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