CN216671823U - Battery structure - Google Patents

Abstract

The embodiment of the utility model discloses a battery structure, which is used for solving the technical problem that the working stability of a BMS (Battery management System) module is influenced because heat generated by the battery module in the conventional battery structure is transferred to the BMS module. The embodiment of the utility model comprises a shell, a battery module and a BMS module; a first cavity and a second cavity which are separated from each other are arranged in the shell, the battery module is arranged in the first cavity, and the BMS module is arranged in the second cavity; the BMS module is electrically connected with the battery module. In the battery structure of this embodiment, set up battery module and BMS module respectively in first cavity and the second cavity of mutual separation, through foretell design, the heat that the battery module produced can't transmit the BMS module for the BMS module can maintain the stability of work.

Description

Battery structure

Technical Field

The utility model relates to the technical field of battery design, in particular to a battery structure.

Background

In the conventional battery structure, a Battery Management System (BMS) collectively manages and controls the entire state of the battery. Therefore, the operation of the BMS module is similar to the control unit, and the operational stability of the BMS module is crucial to the battery system.

Among the current battery structure, generally place BMS module and battery module in the casing, because in battery working process, the battery module can produce certain heat, and in heat transfer arrived the BMS module, can lead to defects such as the unstable work of BMS module to appear.

Therefore, it is an important subject of research by those skilled in the art to find a battery structure capable of solving the above-mentioned technical problems.

SUMMERY OF THE UTILITY MODEL

The embodiment of the utility model discloses a battery structure, which is used for solving the technical problem that the working stability of a BMS (Battery management System) module is influenced because heat generated by the battery module in the conventional battery structure is transferred to the BMS module.

The embodiment of the utility model provides a battery structure, which comprises a shell, a battery module and a BMS module, wherein the shell is provided with a plurality of through holes;

a first cavity and a second cavity which are separated from each other are arranged in the shell, the battery module is arranged in the first cavity, and the BMS module is arranged in the second cavity;

the BMS module is electrically connected with the battery module.

Optionally, the battery module includes a connecting sheet and a plurality of battery cells;

the plurality of battery cores are connected in series through the connecting sheets.

Optionally, the BMS module includes a control circuit board, a communication module, a charging interface, and a plurality of USB interfaces;

the control circuit board comprises an upper control board and a lower control board which are connected with each other, and the communication module and the charging interface are electrically connected to the upper control board;

the USB interface is electrically connected to the lower control board.

Optionally, the shell is provided with a first opening corresponding to the USB interface, the USB interface is located in the first opening, and the first opening is provided with a waterproof cover.

Optionally, the housing is provided with a second opening corresponding to the position of the charging interface, the charging interface is located in the second opening, and the second opening is provided with a waterproof rubber plug.

Optionally, the housing comprises an upper shell and a lower shell;

the upper shell is detachably connected with the lower shell.

Optionally, the upper casing is provided with a clamping portion, the lower casing is provided with a buckle, and the clamping portion is clamped with the buckle to fixedly connect the upper casing and the lower casing.

Optionally, the BMS module further comprises a power indicator light;

the electric quantity indicator lamp is electrically connected with the lower control board;

and the shell is provided with a light hole corresponding to the position of the electric quantity indicator lamp.

Optionally, the communication module is a bluetooth module or a WIFI module.

Optionally, the BMS module includes a power button;

the power supply key is electrically connected to the lower control panel.

According to the technical scheme, the embodiment of the utility model has the following advantages:

in the battery structure of this embodiment, set up battery module and BMS module respectively in first cavity and the second cavity of mutual separation, through foretell design, the heat that the battery module produced can't transmit the BMS module for the BMS module can maintain the stability of work.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

Fig. 1 is an exploded view of a battery structure provided in an embodiment of the present invention;

fig. 2 is a schematic cross-sectional structure diagram of a housing of a battery structure provided in an embodiment of the utility model;

fig. 3 is a schematic side view of a battery structure according to an embodiment of the present invention;

fig. 4 is a schematic bottom structure diagram of a battery structure provided in an embodiment of the present invention;

illustration of the drawings: an electric core 1; a connecting sheet 2; an upper control panel 3; a communication module 4; a lower control panel 5; a USB interface 6; a charging interface 7; a first opening 8; a waterproof cover 9; a power key 10; an electric quantity indicator lamp 11; a lower case 12; a waterproof rubber plug 13; an upper case 14; a first cavity 15; a second cavity 16.

Detailed Description

The embodiment of the utility model discloses a battery structure, which is used for solving the technical problem that the working stability of a BMS (Battery management System) module is influenced because heat generated by the battery module in the conventional battery structure is transferred to the BMS module.

In order that those skilled in the art will better understand the disclosure, the utility model will be described in further detail with reference to the accompanying drawings and specific embodiments. It is to be understood that the described embodiments are merely exemplary of the utility model, and not restrictive of the full scope of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 4, a battery structure provided in the present embodiment includes:

a housing, a battery module, and a BMS module;

a first cavity 15 and a second cavity 16 which are separated from each other are arranged in the housing, the battery module is arranged in the first cavity 15, and the BMS module is arranged in the second cavity 16;

the BMS module is electrically connected with the battery module.

In the battery structure of the present embodiment, the battery module and the BMS module are respectively disposed in the first cavity 15 and the second cavity 16, which are spaced apart from each other, and through the above-mentioned design, the heat generated by the battery module cannot be transferred to the BMS module, so that the BMS module can maintain the stability of the operation.

Further, in the present embodiment, a heat insulating member may be interposed between the first cavity 15 and the second cavity 16 to block heat transfer of the battery module into the BMS module, and the heat insulating member may be heat insulating cotton.

Further, the battery module comprises a connecting sheet 2 and a plurality of battery cells 1;

a plurality of the battery cells 1 are connected in series through the connecting pieces 2.

It should be noted that, in this embodiment, the specific number of the battery cells 1 is not limited, and a designer may select an appropriate number of the battery cells 1 according to an actual design requirement.

Further, the BMS module includes a control circuit board, a communication module 4, a charging interface 7, and a plurality of USB interfaces 6;

the control circuit board comprises an upper control board 3 and a lower control board 5 which are connected with each other, and the communication module 4 and the charging interface 7 are electrically connected to the upper control board 3;

the USB interface 6 is electrically connected to the lower control board 5.

It should be noted that, the USB interface 6 in this embodiment is used for charging an external device, the charging interface 7 in this embodiment is used for charging a battery module from an external power source, and the USB interface 6 and the charging interface 7 are respectively disposed on the upper control board 3 and the lower control board 5, which is equivalent to separately disposing the charging portion and the discharging portion, so that the internal resistance of the battery structure can be reduced while controlling the heat transmission.

Further, the shell in this embodiment is provided with a first opening 8 corresponding to the position of the USB interface 6, the USB interface 6 is located in the first opening 8, and a waterproof cover 9 is disposed on the first opening 8.

By the above design, when the USB interface 6 is not used, the waterproof cover 9 covers the first opening 8 to prevent external moisture from entering the USB interface 6, thereby effectively protecting the USB interface 6. When the USB interface 6 needs to be used, the user only needs to open the waterproof cover 9.

Further, the casing in this embodiment seted up with the corresponding second trompil in the position of interface 7 charges, interface 7 that charges is located in the second trompil, be provided with waterproof plug on the second trompil.

It should be noted that, through the above design, when the charging interface 7 is not used, the waterproof rubber plug blocks the first open hole 8, so as to prevent external moisture from entering the charging interface 7, thereby effectively protecting the charging interface 7. When the charging interface 7 needs to be used, a user only needs to open the waterproof rubber plug.

Further, the charging interface 7 in the present embodiment is a DC charging interface 7.

Further, the housing includes an upper shell 14 and a lower shell 12;

the upper case 14 is detachably coupled to the lower case 12.

The upper shell 14 and the lower shell 12 can be detachably connected in a snap-fit connection manner;

specifically, the upper shell 14 is provided with a fastening portion, and the lower shell 12 is provided with a buckle, where the fastening portion is fastened with the buckle to fixedly connect the upper shell 14 and the lower shell 12.

In addition, the upper shell 14 and the lower shell 12 can be detachably connected by means of locking screws.

Further, the BMS module further includes a power indicator lamp 11;

the electric quantity indicator lamp 11 is electrically connected with the lower control board 5;

and the shell is provided with a light hole corresponding to the position of the electric quantity indicator light 11.

It should be noted that, through the above design, the remaining power can be determined through the light display of the power indicator 11 when the battery structure is charged and discharged, in addition, whether the battery is normally contacted can be determined through the power indicator 11 when the battery is powered on by an external power supply, if the battery is normally contacted, the power indicator 11 can be normally lighted, and the power indicator 11 provides the capability of convenient, concise and clear determination and identification for the user.

Further, the communication module 4 is a bluetooth module or a WIFI module.

It should be noted that the external device can obtain the use state and the use condition of the battery module in the battery structure by performing communication connection with the communication module 4.

Further, the BMS module includes a power button 10;

the power button 10 is electrically connected to the lower control board 5.

It should be noted that the power button in this embodiment is used to control the on/off state of the battery structure.

While the present invention has been described with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims.

Claims (10)

1. A battery structure is characterized by comprising a shell, a battery module and a BMS module;

a first cavity and a second cavity which are separated from each other are arranged in the shell, the battery module is arranged in the first cavity, and the BMS module is arranged in the second cavity;

the BMS module is electrically connected with the battery module.

2. The battery structure of claim 1, wherein the battery module comprises a tab and a plurality of cells;

and the plurality of battery cores are connected in series through the connecting sheets.

3. The battery structure according to claim 1, wherein the BMS module includes a control circuit board, a communication module, a charging interface, and a plurality of USB interfaces;

the control circuit board comprises an upper control board and a lower control board which are connected with each other, and the communication module and the charging interface are electrically connected to the upper control board;

the USB interface is electrically connected to the lower control board.

4. The battery structure of claim 3, wherein the housing defines a first opening corresponding to the position of the USB interface, the USB interface is located in the first opening, and a waterproof cover is disposed on the first opening.

5. The battery structure of claim 3, wherein the housing is provided with a second opening corresponding to the position of the charging interface, the charging interface is located in the second opening, and a waterproof rubber plug is arranged on the second opening.

6. The battery structure according to claim 1, wherein the case includes an upper case and a lower case;

the upper shell and the lower shell are detachably connected.

7. The battery structure according to claim 6, wherein the upper case is provided with a snap portion, and the lower case is provided with a snap, and the snap portion and the snap are engaged to fixedly connect the upper case and the lower case.

8. The battery structure according to claim 3, wherein the BMS module further comprises a charge level indicator lamp;

the electric quantity indicator lamp is electrically connected with the lower control board;

and the shell is provided with a light hole corresponding to the position of the electric quantity indicator lamp.

9. The battery structure of claim 3, wherein the communication module is a Bluetooth module or a WIFI module.

10. The battery structure according to claim 3, wherein the BMS module comprises a power button;

the power supply key is electrically connected to the lower control panel.

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