A 72V 20AH battery pack structure

Abstract

The utility model discloses a kind of 72V20AH battery package structures, including battery package shell, battery package is provided in the battery package shell, the one end of the battery package shell is provided with upper cover, upper sealing ring is provided in the inner side of the upper cover, the other end of the battery package shell is provided with lower cover, lower sealing ring is provided in the inner side of the lower cover, the battery package includes two groups of parallel battery module, each group of battery module is formed by a plurality of battery cell series connection, the one end of the battery package is provided with protective plate support, protective plate is provided on the protective plate support, the other end of the battery package is provided with insulating epoxy plate. The 72V20AH battery package structure of the utility model provides a new battery selection for electric bicycle, satisfies the battery package demand of electric bicycle.

Description

Technical Field

[0001] This utility model relates to a 72V20AH battery pack structure. Background Technology

[0002] Electric two-wheelers are currently an important means of transportation, meeting people's travel needs. As the types of electric two-wheeler products become more and more diverse, the demand for battery packs is also increasing, including battery packs of different power sizes. Therefore, it is necessary to develop a corresponding 72V20AH battery pack structure. Utility Model Content

[0003] The main technical problem solved by this utility model is to provide a 72V20AH battery pack structure, which provides a new battery option for electric two-wheelers and meets the battery pack requirements of electric two-wheelers.

[0004] To solve the above-mentioned technical problems, the technical solution adopted by this utility model is as follows: a 72V20AH battery pack structure is provided, which includes a battery pack shell, a battery pack is disposed inside the battery pack shell, an upper cover is disposed at one end of the battery pack shell, an upper sealing ring is disposed inside the upper cover, a lower cover is disposed at the other end of the battery pack shell, a lower sealing ring is disposed inside the lower cover, the battery pack includes two sets of parallel battery modules, each set of battery modules is formed by multiple cells connected in series, a protection board bracket is disposed at one end of the battery pack, a protection board is disposed on the protection board bracket, and an insulating epoxy board is disposed at the other end of the battery pack.

[0005] Preferably, the protection board is equipped with a communication module.

[0006] Preferably, the materials used for the battery pack casing, top cover, bottom cover, protective plate, and insulating epoxy board all meet the requirements of flame retardant rating V0.

[0007] Preferably, each battery module is formed by connecting 23 cells in series.

[0008] Preferably, the battery pack has a specification of 72V 20AH.

[0009] Preferably, the upper cover is provided with a lamp panel and a charging / discharging head.

[0010] Preferably, the upper cover is provided with a decorative cover.

[0011] Preferably, the decorative cover is provided with a handle.

[0012] The beneficial effects of this utility model are: the 72V20AH battery pack structure of this utility model provides a new battery option for electric two-wheelers, and its battery pack specifications are 61.2V35AH, which meets the battery pack requirements of electric two-wheelers. Attached Figure Description

[0013] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort, wherein:

[0014] Figure 1 This is a schematic diagram of the battery pack casing in the 72V20AH battery pack structure of this utility model;

[0015] Figure 2 This is a schematic diagram of the battery pack structure in the 72V20AH battery pack structure of this utility model. Detailed Implementation

[0016] The technical solutions in the embodiments of this utility model will be clearly and completely described below. Obviously, the described embodiments are only a part of the embodiments of this utility model, and not all of them. 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.

[0017] Please see Figures 1 to 2 A 72V 20AH battery pack structure includes a battery pack housing 1, a battery pack 2 disposed inside the battery pack housing 1, an upper cover 3 at one end of the battery pack housing 1 with an upper sealing ring 4 on the inner side of the upper cover 3, a lower cover 5 at the other end of the battery pack housing 1 with a lower sealing ring 6 on the inner side of the lower cover 5, the battery pack 2 including two sets of parallel battery modules 7, each set of battery modules 7 being formed by multiple battery cells 8 connected in series, a protection plate bracket 9 at one end of the battery pack 2 with a protection plate 10 disposed on the protection plate bracket 9, and an insulating epoxy board 11 at the other end of the battery pack 2. The upper sealing ring 4 and the lower sealing ring 6 seal both ends of the battery pack housing 1 and also seal the battery pack 2 inside the battery pack housing 1.

[0018] Preferably, the protection board 10 is provided with a communication module 12, which can perform remote communication and facilitate remote control of the power supply of the battery pack 2, so that the battery pack 2 can be used in shared electric bicycles.

[0019] Preferably, the materials used for the battery pack housing 1, upper cover 3, lower cover 5, protection plate 10, and insulating epoxy board 11 all meet the requirements of flame retardant rating V0, have excellent flame retardant properties, and make the battery pack safer.

[0020] Preferably, each battery module 7 is formed by 23 cells 8 connected in series, so that the battery pack specifications reach 72V20AH, providing a new battery option for electric bicycles.

[0021] Preferably, the upper cover 3 is provided with a lamp panel 13 and a charging / discharging head 14 to facilitate the charging and discharging of the battery pack.

[0022] Preferably, the upper cover 3 is provided with a decorative cover 15 to enhance the aesthetics of the 72V20AH battery pack structure.

[0023] Preferably, the decorative cover 15 is provided with a handle 16 to facilitate the movement of the 72V20AH battery pack structure.

[0024] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent structural or procedural transformations made using the content of this utility model specification, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.

Claims

1. A 72V 20AH battery pack structure, comprising a battery pack housing, wherein a battery pack is disposed within the battery pack housing, characterized in that, The battery pack housing has an upper cover at one end, with an upper sealing ring on the inner side of the upper cover. The battery pack housing has a lower cover at the other end, with a lower sealing ring on the inner side of the lower cover. The battery pack includes two sets of parallel battery modules, each set of battery modules being formed by multiple cells connected in series. The battery pack has a protection board bracket at one end, with a protection board mounted on the protection board bracket. The battery pack has an insulating epoxy board at the other end.

2. The 72V 20AH battery pack structure according to claim 1, characterized in that, The protection board is equipped with a communication module.

3. The 72V 20AH battery pack structure according to claim 1 or 2, characterized in that, The materials used for the battery pack casing, top cover, bottom cover, protective plate, and insulating epoxy board all meet the requirements of flame retardant rating V0.

4. The 72V 20AH battery pack structure according to claim 3, characterized in that, Each battery module consists of 23 cells connected in series.

5. The 72V 20AH battery pack structure according to claim 4, characterized in that, The battery pack has a specification of 72V 20AH.

6. The 72V 20AH battery pack structure according to claim 1, characterized in that, The upper cover is equipped with a light panel and a charging / discharging head.

7. The 72V 20AH battery pack structure according to claim 6, characterized in that, A decorative cover is provided on the upper cover.

8. The 72V 20AH battery pack structure according to claim 7, characterized in that, The decorative cover is provided with a handle.

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