Battery pack with fire-fighting function

Abstract

The utility model relates to the technical field of battery packs, in particular to a battery pack with a fire-fighting function, which comprises a seat body and a battery module arranged on the seat body, one end of the seat body is provided with a fixed support, the fixed support is vertically arranged, and two sides of the fixed support are respectively provided with a battery management unit and a fire-fighting box. According to the battery pack with the fire-fighting function, the overall height is reduced, and more space is reserved for the installation of cluster-level battery packs, so that the cluster entering operation of the battery packs is greatly facilitated; meanwhile, the internal space is fully utilized, and the compactness of the internal space structure of the battery pack is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of battery packs, in particular to a battery pack with a fire-fighting function. Background Art

[0002] With the continuous development of the energy storage market, people have put forward higher requirements for the process efficiency, spatial layout and safety performance of energy storage products. In order to meet the installation requirements of fire-fighting equipment, in the prior art, on the one hand, by increasing the overall height of the battery pack box, it is ensured that the fire-fighting equipment has enough space to be installed on the upper cover of the box. However, due to the increase in the overall height of the battery pack, the space for the battery pack to enter the cluster rack is reduced, which makes the cluster entry operation inconvenient. On the other hand, in order to avoid the increase in the overall height, the fire-fighting equipment is set at one end of the battery module, but the space layout inside the battery pack is poor and the space utilization rate is low. Utility Model Content

[0003] The utility model provides a battery pack with fire-fighting function, the overall height of which is reduced, thereby reserving more space for the installation of cluster-level battery packs, thereby greatly facilitating the clustering operation of the battery packs; and fully utilizing the internal space, improving the compactness of the internal space structure.

[0004] A battery pack with fire-fighting function comprises a base body and a battery module arranged on the base body, one end of the base body is provided with a fixing bracket, the fixing bracket is vertically arranged, and a battery management unit and a fire-fighting box are respectively arranged on both sides of the fixing bracket.

[0005] In the above technical solution, the battery module is installed on the base, a fixed bracket is vertically installed at one end of the base, and the battery management unit and the fire box are respectively installed on both sides of the fixed bracket, thereby ensuring the compactness of the internal space structure; since the fixed bracket for installing the fire box is arranged in the horizontal direction of the battery module, the installation of the fire box avoids increasing the overall height of the battery pack box, so that the battery pack has fire protection capabilities without affecting the cluster entry operation of the battery pack.

[0006] Furthermore, the fire-fighting box is arranged on a side of the fixing bracket facing the battery module.

[0007] In the above technical solution, since the fire fighting box is facing the battery module, once a fire or abnormal situation occurs, the fire fighting box can respond quickly and initiate fire extinguishing or cooling measures to effectively ensure the safety of the battery module.

[0008] Furthermore, the fire fighting box is close to the battery module and is opposite to the battery module in the air.

[0009] In the above technical solution, direct contact between the fire box and the battery module is avoided, reducing the possibility of false triggering of the fire box due to misoperation or external factors.

[0010] Furthermore, the fixing bracket includes a first plate body and at least one second plate body formed by bending, the first plate body is opposite to the second plate body, and the battery management unit and the fire fighting box are respectively arranged on the first plate body and the second plate body.

[0011] In the above technical solution, the battery management unit and the fire extinguishing box are respectively arranged on different plates of the fixed bracket. The battery management unit is arranged on the first plate, and the fire extinguishing box is arranged on the second plate formed by bending, so as to reduce the damage caused by mutual friction, collision or impact between the two. In addition, the second plate formed by bending enhances the structural stability of the fixed bracket, making the entire fixed bracket more sturdy and durable.

[0012] Furthermore, the fire fighting box comprises a box body, a plurality of extension plates are provided at both ends of the box body, a first mounting hole is provided on the extension plate, and a second mounting hole corresponding to the first mounting hole is provided on the second plate body.

[0013] In the above technical solution, the first mounting hole on the extension plate corresponds to the second mounting hole on the second plate body, ensuring a stable connection between the fire box and the fixed bracket, and avoiding the loosening or falling off of the fire box due to vibration or impact.

[0014] Furthermore, it also includes a fastener, which passes through the first mounting hole and the second mounting hole to achieve a detachable connection between the fire box and the fixing bracket.

[0015] In the above technical solution, the fasteners pass through the corresponding mounting holes to fix the fire extinguishing box on the fixed bracket; the detachable connection achieved by the fasteners enables the fire extinguishing box to be easily separated from the fixed bracket when needed, thereby improving the convenience and efficiency of maintenance.

[0016] Furthermore, a first bending portion is provided at one end of the fixing bracket close to the seat body, and a plurality of third mounting holes are provided on the first bending portion.

[0017] In the above technical solution, by setting a first bent portion at one end of the fixed bracket close to the base body, the connection stability between the fixed bracket and the base body can be enhanced; the third mounting hole set on the first bent portion provides a convenient fixing method for the connection between the fixed bracket and the base body.

[0018] Furthermore, the heights of the fixing bracket, the battery management unit and the fire fighting box are smaller than the height of the battery module.

[0019] In the above technical solution, since the heights of the fixed bracket, battery management unit and fire extinguishing box are all smaller than the battery module, there is no need to set up additional space in the height direction of the battery pack box to install the fire extinguishing box, thereby avoiding an increase in the overall height of the battery pack.

[0020] Furthermore, a fire extinguishing agent is provided in the fire fighting box.

[0021] In the above technical solution, the safety of the battery pack is enhanced by arranging a fire extinguishing agent in the fire fighting box.

[0022] Compared with the prior art, the beneficial effects of the utility model are:

[0023] The utility model optimizes the internal space layout of the battery pack, improves the utilization rate of the internal space of the battery pack, and makes the overall structure more compact by vertically arranging the fixing bracket at one end of the base body and installing the battery management unit and the fire box on both sides of the fixing bracket respectively.

[0024] The utility model avoids the situation that the overall height of the battery pack box needs to be increased due to the installation of the fire box, and the space for the battery pack to enter the cluster frame is correspondingly increased, thereby greatly simplifying the cluster entry operation and improving work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 The figure is a schematic diagram of the overall structure of an embodiment of the utility model.

[0026] Figure 2 This is an assembly diagram of a fixing bracket according to an embodiment of the utility model.

[0027] Figure 3 It is a structural schematic diagram of a fixing bracket according to an embodiment of the utility model.

[0028] Figure 4 The figure is a schematic structural diagram of a fire extinguishing box according to an embodiment of the present invention.

[0029] Description of the accompanying drawings: base body 1, battery module 11, fixing bracket 12, first plate body 121, second plate body 122, second mounting hole 1221, first bending portion 123, third mounting hole 1231, battery management unit 13, fire box 14, box body 141, extension plate 142, first mounting hole 1421. DETAILED DESCRIPTION

[0030] In order to facilitate the understanding of the present invention, the present invention will be described more comprehensively with reference to the accompanying drawings. The accompanying drawings provide preferred embodiments of the present invention. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein.

[0031] like Figure 1 , Figure 2 As shown, a non-limiting embodiment of the utility model, a battery pack with fire protection function, includes a base 1, a battery module 11, a fixed bracket 12, a battery management unit 13, and a fire protection box 14. The battery module 11 is arranged on the base 1, and the fixed bracket 12 is vertically installed at one end of the base 1. The battery management unit 13 and the fire protection box 14 are respectively installed on both sides of the fixed bracket 12, thereby ensuring the compactness of the internal space structure; since the fixed bracket 12 for installing the fire protection box 14 is arranged in the horizontal direction of the battery module 11, the installation of the fire protection box 14 avoids increasing the overall height of the battery pack box, so that the battery pack has fire protection capabilities while not affecting the clustering operation of the battery pack. In this embodiment, the fire protection box 14 is first installed on the fixed bracket 12. In order to optimize the spatial layout to the greatest extent, the fixed bracket 12 is installed at one end of the length direction of the base 1. In other embodiments, it can also be installed at one end of the width direction of the base 1.

[0032] like Figure 1 As shown, a non-limiting embodiment of the utility model, the fire box 14 is arranged on the side of the fixed bracket 12 facing the battery module 11. In the above technical solution, since the fire box 14 faces the battery module 11, once a fire or abnormal situation occurs, the fire box 14 can respond quickly and start fire extinguishing or cooling measures to effectively ensure the safety of the battery module 11. In this embodiment, the fire box 14 faces the battery module 11 and is arranged in the middle of the lateral space of the battery module 11. In addition to being able to respond quickly to abnormal situations, the fire box 14 can evenly protect various parts of the battery module 11. In contrast, if the fire box 14 is set to the front or back, it may cause insufficient protection of some parts.

[0033] Based on the above solution, in order to avoid direct contact between the fire box 14 and the battery module 11, the fire box 14 is close to the battery module 11 and is spaced apart from the battery module 11, thereby reducing the possibility of mis-triggering of the fire box 14 due to misoperation or external factors. The utility model does not limit the specific distance between them, which can be determined according to specific production conditions.

[0034] like Figure 3As shown, a non-limiting embodiment of the utility model, the fixed bracket 12 includes a first plate 121, and at least one second plate 122 formed by bending, and the battery management unit 13 and the fire box 14 are respectively arranged on the first plate 121 and the second plate 122. In the above technical scheme, the battery management unit 13 and the fire box 14 are respectively arranged on different plates of the fixed bracket 12, the battery management unit 13 is arranged on the first plate 121, and the fire box 14 is arranged on the second plate 122 formed by bending, so as to reduce the damage caused by mutual friction, collision or impact between the two; in addition, the second plate 122 formed by bending enhances the structural stability of the fixed bracket 12, making the entire fixed bracket 12 more sturdy and durable. In this embodiment, the first plate 121 is rectangular as a whole, and the second plate 122 is bent as a whole into a "]" shape, and the number of the second plate 122 is two, and the rectangular first plate 121 and the two "]"-shaped second plates 122 are arranged opposite to each other.

[0035] like Figure 4 As shown, a non-limiting embodiment of the utility model, the fire box 14 includes a box body 141, and a plurality of extension plates 142 are provided at both ends of the box body 141, and the extension plates 142 are provided with a first mounting hole 1421, and the second plate body 122 is provided with a second mounting hole 1221 corresponding to the first mounting hole 1421. In the above technical scheme, the first mounting hole 1421 on the extension plate 142 corresponds to the second mounting hole 1221 on the second plate body 122, ensuring a stable connection between the fire box 14 and the fixed bracket 12, and avoiding the loosening or falling off of the fire box 14 due to vibration or impact. In this embodiment, two extension plates 142 are respectively provided at both ends of the box body 141, and one extension plate 142 is provided with a first mounting hole 1421; the two second plates 122 respectively abut the two ends of the box body 141, and are provided with a second mounting hole 1221 corresponding to each first mounting hole.

[0036] A non-limiting embodiment of the utility model further includes a fastener, which passes through the first mounting hole 1421 and the second mounting hole 1221 to achieve a detachable connection between the fire box 14 and the fixed bracket 12. In the above technical solution, the fastener passes through the corresponding mounting holes to fix the fire box 14 on the fixed bracket 12; the detachable connection achieved by the fastener allows the fire box 14 to be easily separated from the fixed bracket 12 when needed, thereby improving the convenience and efficiency of maintenance. In this embodiment, the fasteners are screws, which not only reduces costs, but also facilitates the improvement of the installation efficiency of the fire box 14. Compared with the existing solution of fixing the fire box 14 with structural adhesive, the fixing method of screws does not require additional process time to wait for the structural adhesive to dry.

[0037] In a non-limiting embodiment of the present invention, a first bent portion 123 is provided at one end of the fixing bracket 12 close to the base body 1, and a plurality of third mounting holes 1231 are provided on the first bent portion 123. In the above technical solution, by providing the first bent portion 123 at one end of the fixing bracket 12 close to the base body 1, the connection stability between the fixing bracket 12 and the base body 1 can be enhanced; the third mounting holes 1231 provided on the first bent portion 123 provide a convenient fixing method for the connection between the fixing bracket 12 and the base body 1, for example, it can be easily fixed by fasteners such as screws and bolts, the installation process is simple and fast, and the production cost is reduced.

[0038] like Figure 1 As shown, in a non-limiting embodiment of the utility model, the height of the fixing bracket 12, the battery management unit 13 and the fire box 14 is less than the height of the battery module 11. In the above technical solution, since the height of the fixing bracket 12, the battery management unit 13 and the fire box 14 are all less than the battery module 11, it is not necessary to set additional space in the height direction of the battery pack body to install the fire box 14, thereby avoiding the increase of the overall height of the battery pack. It should be noted that it only needs to be less than the height of the battery module 11, and the specific size is not limited.

[0039] In a non-limiting embodiment of the present invention, a fire extinguishing agent is provided in the fire extinguishing box 14. In the above technical solution, the safety of the battery pack is enhanced by providing a fire extinguishing agent in the fire extinguishing box 14. In this embodiment, the fire extinguishing agent filled in the fire extinguishing box 14 is an aerosol fire extinguishing agent, and of course it can also be other existing fire extinguishing substances, such as perfluorohexanone.

[0040] In the description of the present invention, it should be understood that terms such as "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0041] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0042] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A battery pack with fire-fighting function, comprising a base and a battery module arranged on the base, characterized in that: A fixing bracket is provided at one end of the seat body, and the fixing bracket is vertically arranged. A battery management unit and a fire fighting box are respectively provided on two sides of the fixing bracket.

2. The battery pack with fire-fighting function according to claim 1, characterized in that: The fire-fighting box is arranged on a side of the fixing bracket facing the battery module.

3. The battery pack with fire-fighting function according to claim 2, characterized in that: The fire fighting box is close to the battery module and is opposite to the battery module in space.

4. The battery pack with fire-fighting function according to claim 1, characterized in that: The fixing bracket includes a first plate body and at least one second plate body formed by bending, the first plate body is opposite to the second plate body, and the battery management unit and the fire fighting box are respectively arranged on the first plate body and the second plate body.

5. The battery pack with fire-fighting function according to claim 4, characterized in that: The fire fighting box comprises a box body, a plurality of extension plates are arranged at two ends of the box body, a first mounting hole is arranged on the extension plate, and a second mounting hole corresponding to the first mounting hole is arranged on the second plate body.

6. The battery pack with fire-fighting function according to claim 5, characterized in that: It also includes a fastener, which passes through the first mounting hole and the second mounting hole to achieve a detachable connection between the fire box and the fixing bracket.

7. The battery pack with fire-fighting function according to claim 1, characterized in that: A first bending portion is disposed at one end of the fixing bracket close to the seat body, and a plurality of third mounting holes are disposed on the first bending portion.

8. The battery pack with fire-fighting function according to claim 1, characterized in that: The heights of the fixing bracket, the battery management unit and the fire fighting box are smaller than the height of the battery module.

9. The battery pack with fire-fighting function according to claim 1, characterized in that: The fire extinguishing box is provided with a fire extinguishing agent.

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