CN219892244U

CN219892244U - Battery of electric motorcycle

Info

Publication number: CN219892244U
Application number: CN202320668095.9U
Authority: CN
Inventors: 宋利辉
Original assignee: Zhengzhou Bak Battery Co Ltd
Current assignee: Zhengzhou Bak Battery Co Ltd
Priority date: 2023-03-30
Filing date: 2023-03-30
Publication date: 2023-10-24
Anticipated expiration: 2033-03-30

Abstract

The utility model discloses an electric motorcycle battery, which comprises a shell, wherein a battery module is arranged in the shell, the battery module comprises a protection board PCM and a plurality of modules, each module comprises a support, an electric core and current carrying sheets, grooves are formed in the support, the electric cores are arranged in the grooves in a positive-negative crossing manner, the current carrying sheets are arranged at two ends of the electric cores, heat conducting films are arranged on the outer sides of the modules, heat conducting plates are arranged on the outer sides of the heat conducting films, and the heat conducting films and the heat conducting plates are fixed on the support. The battery of the electric motorcycle provided by the utility model is rapid in assembly, good in battery cooling effect, more friendly to the battery core and convenient for later maintenance.

Description

Battery of electric motorcycle

Technical Field

The utility model relates to the technical field of batteries, in particular to a battery for an electric motorcycle.

Background

Along with the development of new energy and battery technology, the electric motorcycle is also more and more widely used, the existing electric motorcycle battery adopts cylindrical batteries, the module grouping structure of the cylindrical batteries mainly comprises two kinds, one kind of module grouping structure is connected in series by means of direct contact of different polarities of different modules, the mode is suitable for grouping the two modules with different polarities face to face and without causing short circuit of other parts; the other is a structure in which different poles of two modules are connected in series through intermediate transfer by a conductive medium, but the structure is complex to assemble and has more structural members.

The cooling of current electric motorcycle battery adopts the method of filling heat conduction glue in the battery case more, realizes the homogeneity of battery inside heat conduction, because the shell is mostly plastic shell, leads to the heat conduction effect relatively poor, even use the aluminium shell, owing to adopt the mode of filling glue to carry out heat conduction, can influence the validity of monomer electric core protection measure, and the maintainability of the whole package of later stage battery is lower.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art and provides an electric motorcycle battery.

The aim of the utility model is achieved by the following technical scheme: the utility model provides an electric motorcycle car battery, includes the shell, the inside of shell is equipped with the battery module, the battery module includes protection shield PCM and a plurality of module, the module includes support, electric core and current-carrying piece, the inside recess that is equipped with of support, the electric core passes through positive and negative alternately to be set up in the recess, the both ends of electric core are located to the current-carrying piece, the outside of module is equipped with the heat conduction film, the outside of heat conduction film is equipped with the heat-conducting plate, heat conduction film, heat-conducting plate are all fixed on the support, protection shield PCM is located the top of module.

According to a further technical scheme, insulating plates and middle current carrying sheets are arranged between the modules, and the electric cores of the modules are connected through the middle current carrying sheets.

The further technical scheme is that the top of the shell is provided with an upper cover, and a sealing gasket is arranged between the upper cover and the shell.

The further technical scheme is that the shell is provided with radiating fins.

According to a further technical scheme, the module comprises 1 protection board PCM and 2 modules, and each module comprises 7 current carrying sheets, 4 supports and 84 electric cores.

The utility model has the following advantages:

(1) According to the utility model, the current carrying sheet is arranged to facilitate connection and assembly of the modules in the battery module, so that the assembly efficiency is improved, the battery module is cooled through the heat conducting sheet and the heat conducting plate, and the battery is protected through the protection plate PCM, so that the battery cooling effect is improved, the battery cell is more friendly, and the battery cell is convenient to maintain in later period.

(2) According to the utility model, short circuit among modules is avoided through the insulating plate, connection of cells among the modules is facilitated through the middle current carrying sheet, tightness between the upper cover and the shell of the battery is kept through the sealing gasket, and heat dissipation and cooling of the battery are further facilitated through the heat dissipation fins.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic diagram of the structure of the module of the present utility model;

fig. 3 is a schematic view of the structure of a battery module according to the present utility model;

fig. 4 is a schematic view of an exploded structure of the battery of the present utility model.

In the figure, 1, a shell; 2. an upper cover; 3. a sealing gasket; 4. protecting the PCM; 5. a battery cell; 6. a bracket; 7. a current carrying sheet; 8. an insulating plate; 9. a heat conducting film; 10. a heat conductive plate; 11. an intermediate current carrying sheet.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.

In addition, the embodiments of the present utility model and the features of the embodiments may be combined with each other without collision.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships conventionally put in use of the inventive product, or are directions or positional relationships conventionally understood by those skilled in the art, are merely for convenience of describing the present utility model and for simplifying the description, and are not to indicate or imply that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

As shown in fig. 1 to 4, an electric motorcycle battery, which comprises a housing 1, the inside of shell 1 is equipped with the battery module, the battery module includes protection shield PCM4 and a plurality of module, and protection shield PCM4 has the effect of overcharging, putting, overcurrent, excessive pressure, temperature protect function to protect the battery, the module includes support 6, electric core 5 and current carrying piece 7, the inside recess that is equipped with of support 6, electric core 5 is through positive and negative alternately setting up in the recess, the both ends of electric core 5 are located to current carrying piece 7, thereby is convenient for carry out the equipment of module, makes the equipment of battery module more convenient and fast, the outside of module is equipped with heat conducting film 9, the outside of heat conducting film 9 is equipped with heat conducting plate 10, heat conducting film 9, heat conducting plate 10 are all fixed on support 6, conveniently carry out heat conduction through heat conducting film 9 and heat conducting plate 10 to improve the cooling effect of battery, and optimize electric core 5 more, make things convenient for the later maintenance of battery, PCM4 is located the top of module.

In this embodiment, insulating plates 8 and intermediate current-carrying plates 11 are arranged between the modules, the electric cores 5 of the plurality of modules are connected through the intermediate current-carrying plates 11, short circuits between the modules are prevented by the insulating plates 8, and the electric cores 5 between the modules are connected through the intermediate current-carrying plates 11 conveniently.

In this embodiment, the top of the housing 1 is provided with an upper cover 2, and a sealing gasket 3 is disposed between the upper cover 2 and the housing 1, so as to improve the sealing performance of the battery.

In this embodiment, the housing 1 is provided with heat dissipating fins, which further facilitates heat conduction, thereby improving the cooling effect of the battery.

In this embodiment, the module includes 1 protection plate PCM4 and 2 modules, each module includes 7 current-carrying sheets 7, 4 brackets 6 and 84 battery cells 5, and the number of modules and modules can be adjusted as required.

The implementation principle of the utility model is as follows: the utility model provides an electric motorcycle battery, wherein a module inside the battery breaks through the limitation of the module in the battery production process, a plurality of modules can be placed on a connecting platform of an electric core 5 and connected at the same time, and the modules form a module through a current carrying sheet 7, so that an intermediate conductive medium for module assembly and an installation procedure thereof are omitted, and the production efficiency is improved. The heat conduction is carried out by arranging the heat conduction films 9 and the heat conduction plates 10 on the two sides of the module, and the heat dissipation fins are arranged on the shell 1 to carry out auxiliary heat dissipation, so that the original glue filling heat conduction mode is replaced, the high efficiency of heat conduction is maintained, the original state of the module is also maintained, and the module is safer and more reliable and is convenient for later maintenance.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. An electric motorcycle battery, comprising a housing (1), characterized in that: the inside of shell (1) is equipped with battery module, battery module includes protection shield PCM (4) and a plurality of module, the module includes support (6), electric core (5) and current-carrying piece (7), the inside recess that is equipped with of support (6), electric core (5) are through positive and negative alternately setting in the recess, the both ends of electric core (5) are located to current-carrying piece (7), the outside of module is equipped with heat conduction film (9), the outside of heat conduction film (9) is equipped with heat conduction board (10), heat conduction film (9), heat conduction board (10) are all fixed on support (6), protection shield PCM (4) are located the top of module.

2. An electric motorcycle battery according to claim 1, wherein: an insulating plate (8) and a middle current carrying sheet (11) are arranged between the modules, and the electric cores (5) of the modules are connected through the middle current carrying sheet (11).

3. An electric motorcycle battery according to claim 1, wherein: an upper cover (2) is arranged at the top of the shell (1), and a sealing gasket (3) is arranged between the upper cover (2) and the shell (1).

4. An electric motorcycle battery according to claim 1, wherein: the shell (1) is provided with radiating fins.

5. An electric motorcycle battery according to claim 1, wherein: the module comprises 1 protection board PCM (4) and 2 modules, wherein each module comprises 7 current carrying sheets (7), 4 brackets (6) and 84 electric cores (5).