CN217848070U

CN217848070U - Battery management module and battery module

Info

Publication number: CN217848070U
Application number: CN202221695183.XU
Authority: CN
Inventors: 孙嘉; 胡东升; 王傲; 李德连; 周鹏
Original assignee: Sinoev Hefei Technologies Co Ltd
Current assignee: Sinoev Hefei Technologies Co Ltd
Priority date: 2022-06-30
Filing date: 2022-06-30
Publication date: 2022-11-18
Anticipated expiration: 2032-06-30

Abstract

The utility model relates to an electric automobile field particularly, relates to a battery management module and battery module. The battery management module comprises a protection box, a mounting seat and a circuit board; the protection box comprises a box body and a cover plate; the cover plate is detachably connected with the box body to form a containing cavity together with the box body; the box body is provided with a notch which is communicated with the containing cavity; one or more of the box body and the cover plate are connected with the mounting seat; the circuit board is accommodated in the accommodating cavity, and the interface on the circuit board is opened by the notch. The battery management module is simple in structure and convenient to assemble, can reduce the assembly cost while improving the assembly efficiency, and can also play a role in safety protection of the circuit board.

Description

Battery management module and battery module

Technical Field

The utility model relates to an electric automobile field particularly, relates to a battery management module and battery module.

Background

In an electric vehicle, a battery module is an important component of electric energy, and electric energy management of the battery module is very important for the electric vehicle, and a special Battery Management System (BMS), which is called a battery management system for short, is generally used to manage the battery module. The battery management system is generally stored in a circuit board of the battery management module, and since the battery management module is usually installed on the battery module and is very close to the electric environment for the electric vehicle, a strong variable current in the electric environment for the electric vehicle may affect signals collected or output by the battery management module, so that the battery management system cannot accurately control the battery module.

In the existing circuit board mounting scheme, most of circuit board boards are preassembled on a sheet metal part after being preassembled by using an injection molding part, and then are assembled on a battery module, so that the existing circuit board mounting scheme has the defects of complex assembly process, various required materials and certain requirements on mounting space; if the assembly space is insufficient, the circuit board can only be directly pre-assembled on the sheet metal part and then assembled on the battery module in order to reduce the thickness of the circuit board; this lacks the safety protection of the circuit board during assembly.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a battery management module and battery module, its simple structure, the equipment is convenient, can reduce the equipment cost when improving packaging efficiency, can also play safety protection's effect to the circuit board.

The embodiment of the utility model is realized like this:

in a first aspect, the present invention provides a battery management module, which includes a protection box, a mounting seat and a circuit board;

the protection box comprises a box body and a cover plate; the cover plate is detachably connected with the box body to form a containing cavity together with the box body; the box body is provided with a notch which is communicated with the containing cavity; one or more of the box body and the cover plate are connected with the mounting seat;

the circuit board is accommodated in the accommodating cavity, and an interface on the circuit board is opened by the notch.

In an optional embodiment, the box body is provided with a first mounting groove matched with the front surface of the circuit board.

In an alternative embodiment, the cover plate is provided with a second mounting groove in a region thereof facing the first mounting groove, the second mounting groove being engaged with the rear surface of the circuit board.

In an alternative embodiment, the box body is provided with a first positioning portion, the cover plate is provided with a second positioning portion, and the first positioning portion is used for being matched with the second positioning portion.

In an alternative embodiment, one of the first positioning portion and the second positioning portion is a protrusion, and the other of the first positioning portion and the second positioning portion is a groove.

In an alternative embodiment, the mounting base is provided with a plurality of first connecting portions, each for connecting with the protection box.

In an alternative embodiment, the protection box is provided with a plurality of second connecting parts, and the plurality of second connecting parts are connected with the plurality of first connecting parts in a one-to-one correspondence manner.

In an alternative embodiment, the plurality of second connections are arranged around the perimeter of the protective pocket around its perimeter.

In an alternative embodiment, the circuit board is provided with a plurality of third connecting portions, and the plurality of third connecting portions are connected with the plurality of second connecting portions in a one-to-one correspondence manner.

In a second aspect, the present invention provides a battery module, which includes the above battery management module.

The utility model discloses beneficial effect includes:

the battery management module comprises a protection box, a mounting seat and a circuit board; the protection box comprises a box body and a cover plate; the cover plate is detachably connected with the box body to form a containing cavity together with the box body; the box body is provided with a notch which is communicated with the containing cavity; one or more of the box body and the cover plate are connected with the mounting seat; the circuit board is accommodated in the accommodating cavity, and an interface on the circuit board is opened by the notch.

The battery management module is characterized in that the battery management system is stored on the circuit board, when the battery management module is assembled, the circuit board is arranged in the accommodating cavity and is connected with the box body through the cover plate, the circuit board can be positioned and fixed, and the box body is provided with a notch, so that an interface on the circuit board can be opened, and data or signals can be conveniently transmitted; after the circuit board is arranged in the protection box, the battery management module can be assembled by connecting the protection box with the mounting seat;

from this, this battery management module simple structure, the equipment is convenient, can reduce the equipment cost when improving packaging efficiency, can also play safety protection's effect to the circuit board.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural diagram of a battery management module according to an embodiment of the present invention;

fig. 2 is an exploded view of a battery management module according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a protection box in an embodiment of the present invention;

FIG. 4 is a schematic view of a first view angle of the case according to an embodiment of the present invention;

FIG. 5 is a schematic structural view of a second viewing angle of the case according to the embodiment of the present invention;

fig. 6 is a schematic structural diagram of a cover plate in an embodiment of the present invention.

100-battery management module; 110-a protection box; 120-a mount; 130-a circuit board; 111-a cartridge; 112-a cover plate; 113-a chamber; 114-a notch; 131-interface; 115-a first mounting groove; 116-a second mounting groove; 117-first positioning portion; 118-a second locator portion; 121-a first connection; 119-a second connection; 132-third connection.

Detailed Description

To make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the attached drawings in the embodiments of the present invention are combined to clearly and completely describe the technical solution in the embodiments of the present invention, and obviously, the described embodiments are part of the embodiments of the present invention, rather than all embodiments. The components of the embodiments of the present invention 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 present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined or explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 5, the present embodiment provides a battery management module 100, where the battery management module 100 includes a protection box 110, a mounting base 120, and a circuit board 130;

the protection box 110 includes a box body 111 and a cover plate 112; the cover plate 112 is detachably connected with the box body 111 to form a containing cavity 113 together with the box body 111; the box body 111 is provided with a notch 114, and the notch 114 is communicated with the accommodating cavity 113; one or more of the box body 111 and the cover plate 112 are connected with the mounting seat 120;

the circuit board 130 is accommodated in the cavity 113, and the interface 131 on the circuit board 130 is opened by the gap 114.

Referring to fig. 1 to 5, the working principle of the battery management module 100 is as follows:

the battery management module 100 includes a protection box 110, a mounting seat 120, and a circuit board 130; the protection box 110 includes a box body 111 and a cover plate 112; the cover plate 112 is detachably connected with the box body 111 to form a containing cavity 113 together with the box body 111; the box body 111 is provided with a notch 114, and the notch 114 is communicated with the accommodating cavity 113; one or more of the box body 111 and the cover plate 112 are connected with the mounting seat 120; the circuit board 130 is accommodated in the cavity 113, and the interface 131 on the circuit board 130 is opened by the notch 114.

The battery management system is stored on the circuit board 130, and when the battery management module 100 is assembled, the circuit board 130 is placed in the cavity 113, and is connected with the box body 111 through the cover plate 112, and the circuit board 130 can be positioned and fixed, and the box body 111 is provided with the notch 114, so that the interface 131 on the circuit board 130 can be opened, and data or signal transmission is facilitated; after the circuit board 130 is loaded into the protection box 110, the battery management module 100 can be assembled by connecting the protection box 110 and the mounting seat 120;

therefore, the battery management module 100 is simple in structure and convenient to assemble, can improve the assembling efficiency, reduce the assembling cost, and can play a role in safety protection on the circuit board 130.

Further, referring to fig. 1 to 5, in the present embodiment, since the electronic components and the interface 131 are mounted on the front surface of the circuit board 130, the front surface of the circuit board 130 has a plurality of irregular convex profiles, so that the first mounting groove 115 matching with the front surface of the circuit board 130 is formed in the box body 111 for facilitating the mounting stability of the circuit board 130. In this way, after the cover plate 112 is connected to the case 111, the cover plate 112 contacts the back surface of the circuit board 130, so as to cooperate with the first mounting groove 115 to stably support the circuit board 130, and further protect the circuit board 130.

Based on the above, referring to fig. 1 to 6, when the cover plate 112 is disposed, in order to improve the supporting effect on the circuit board 130, the area of the cover plate 112 opposite to the first mounting groove 115 is provided with the second mounting groove 116, and the second mounting groove 116 is matched with the back surface of the circuit board 130.

Through such a setting mode, the contact surface with the circuit board 130 can be increased, and then the supporting stability of the circuit board 130 is improved at the same speed, and the protection effect on the circuit board 130 is enhanced.

Referring to fig. 1 to 6, in the present embodiment, the box 111 is provided with a first positioning portion 117 for positioning the connection box 111 and the cover plate 112, the cover plate 112 is provided with a second positioning portion 118, and the first positioning portion 117 is used for matching with the second positioning portion 118. When the first positioning portion 117 and the second positioning portion 118 are provided, one of the first positioning portion 117 and the second positioning portion 118 is a protrusion, and the other of the first positioning portion 117 and the second positioning portion 118 is a groove.

As can be seen from the above, in order to fix the protection box 110 on the mounting base 120, one of the box body 111 and the cover plate 112 may be connected to the mounting base 120, or both the box body 111 and the cover plate 112 may be connected to the mounting base 120;

referring to fig. 1 to 6, in the present embodiment, a manner that the box body 111 and the cover plate 112 are connected to the mounting base 120 is adopted, specifically, the mounting base 120 is provided with a plurality of first connecting portions 121, and the plurality of first connecting portions 121 are all used for being connected to the protection box 110. The protection box 110 is provided with a plurality of second connection portions 119, and the plurality of second connection portions 119 are connected to the plurality of first connection portions 121 in a one-to-one correspondence. The plurality of second connection portions 119 are arranged around the protection box 110 around the outer circumferential profile of the protection box 110. The circuit board 130 is provided with a plurality of third connecting portions 132, and the plurality of third connecting portions 132 are connected with the plurality of second connecting portions 119 in a one-to-one correspondence manner.

Therefore, when the case 111 and the cover 112 are connected to the mounting base 120, the first connection portion 121, the second connection portion 119, and the third connection portion 132 need to be provided on the mounting base 120, the protection case 110, and the circuit board 130; when the second connection portion 119 is provided, since the protection box 110 includes the box body 111 and the cover plate 112, the second connection portion 119 is provided on both the box body 111 and the cover plate 112;

in addition, when the first connection portion 121, the second connection portion 119, and the third connection portion 132 are provided, each of the first connection portions 121 corresponds to one of the second connection portion 119 and the third connection portion 132, so that the periphery of the protection case 110 can be connected to the mounting base 120 in this manner, thereby improving the stability of the mounting.

When the first connection portion 121 is disposed, the first connection portion 121 is a threaded hole disposed on the mounting seat 120; the second connecting portion 119 and the third connecting portion 132 are through holes for the connecting studs to pass through; accordingly, the protection case 110 can be fixed to the mount 120 by providing a connection stud in each through hole to be engaged with a screw hole in the mount 120.

Based on foretell battery management module 100, the utility model provides a battery module, battery module include foretell battery management module 100.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A battery management module, characterized by:

the battery management module comprises a protection box, a mounting seat and a circuit board;

the protection box comprises a box body and a cover plate; the cover plate is detachably connected with the box body to form a containing cavity together with the box body; the box body is provided with a notch, and the notch is communicated with the accommodating cavity; one or more of the box body and the cover plate are connected with the mounting seat;

2. The battery management module of claim 1, wherein:

the box body is provided with a first mounting groove matched with the front surface of the circuit board.

3. The battery management module of claim 2, wherein:

the cover plate is provided with a second mounting groove in the area opposite to the first mounting groove, and the second mounting groove is matched with the back of the circuit board.

4. The battery management module of claim 1, wherein:

the box body is provided with a first positioning part, the cover plate is provided with a second positioning part, and the first positioning part is used for being matched with the second positioning part.

5. The battery management module of claim 4, wherein:

one of the first positioning portion and the second positioning portion is a protrusion, and the other of the first positioning portion and the second positioning portion is a groove.

6. The battery management module of any of claims 1-5, wherein:

the mount pad is provided with a plurality of first connecting portion, and is a plurality of first connecting portion all be used for with the protection box is connected.

7. The battery management module of claim 6, wherein:

the protection box is provided with a plurality of second connecting portions, and the second connecting portions are connected with the first connecting portions in a one-to-one correspondence mode.

8. The battery management module of claim 7, wherein:

the plurality of second connecting parts are arranged around the periphery of the protection box around the periphery contour of the protection box.

9. The battery management module of claim 7, wherein:

the circuit board is provided with a plurality of third connecting portions, and the third connecting portions are connected with the second connecting portions in a one-to-one correspondence manner.

10. A battery module, its characterized in that:

the battery module includes the battery management module according to any one of claims 1 to 9.