CN216213758U - BMS stand and its components and battery pack - Google Patents

Abstract

A BMS bracket and its components and battery pack relate to the technical field of battery management. The BMS bracket is used for fixing the BMS, and includes a bracket carrier plate part; a plurality of fixing structures for fixing the BMS are provided on the bearing surface of the bracket carrier plate part; the plurality of the fixing structures are arranged asymmetrically. The BMS assembly includes a BMS bracket. The battery pack includes a BMS holder. The purpose of the present utility model is to provide a BMS support, its components and battery packs, so as to solve the technical problem in the prior art that the BMS is installed on the BMS support with a high probability of wrong installation.

Description

BMS stand and its components and battery pack

technical field

The utility model relates to the technical field of battery management, in particular to a BMS bracket, an assembly thereof, and a battery pack.

Background technique

Battery management system, English name BATTERY MANAGEMENT SYSTEM, referred to as BMS, commonly known as battery nanny or battery housekeeper, is mainly to intelligently manage and maintain each battery unit, prevent battery overcharge and overdischarge, prolong battery life, monitor battery state. Battery management systems can be used in products such as electric vehicles, hybrid vehicles, battery cars, robots and drones.

At present, when the BMS is installed on the BMS bracket, the probability of wrong installation is high, and it needs to be removed and reassembled, which affects the assembly efficiency of the battery pack.

Utility model content

The purpose of the present utility model is to provide a BMS support, its components and battery packs, so as to solve the technical problem in the prior art that the BMS is installed on the BMS support with a high probability of wrong installation.

In order to achieve the above purpose, the utility model provides the following technical solutions:

A BMS bracket for fixing the BMS, including a bracket carrier plate part;

A plurality of fixing structures for fixing the BMS are arranged on the bearing surface of the carrier plate portion of the bracket; and the plurality of fixing structures are arranged asymmetrically.

In any of the above technical solutions, optionally, the BMS bracket further includes a bracket mounting portion fixedly connected to the bracket carrier plate portion;

A plurality of asymmetrically arranged installation structures are arranged on the installation bottom surface of the bracket installation part;

There is an included angle between the bearing surface and the mounting bottom surface.

In any of the above technical solutions, optionally, one or more positioning structures are further provided on the installation bottom surface.

In any of the above technical solutions, optionally, the number of the positioning structures is two, which are a main positioning structure and a secondary positioning structure respectively;

along the extending direction of the bracket mounting portion, the main positioning structure and the secondary positioning structure are respectively disposed at both ends of the bracket mounting portion;

The distance between the installation structure close to the main positioning structure and the main positioning structure is not equal to the distance between the installation structure close to the auxiliary positioning structure and the auxiliary positioning structure.

In any of the above technical solutions, optionally, the primary positioning structure is a circular hole, and the secondary positioning structure is an oblong hole; or, both the primary positioning structure and the secondary positioning structure are positioning posts, and the The positioning column is a threaded column.

And/or, the primary positioning structure, the secondary positioning structure and all the mounting structures are located on the same straight line.

In any of the above technical solutions, optionally, the fixing structure is a fixing hole or a fixing column, and the fixing column is a threaded column connected by pressure riveting;

And/or, the mounting structure is a mounting hole or a mounting post, and the mounting post is a threaded post.

In any of the above technical solutions, optionally, a plurality of the fixing structures are arranged in a non-linear manner;

And/or, the bracket carrier plate portion and the bracket mounting portion are integrally formed by extrusion of an aluminum profile.

In any of the above technical solutions, optionally, a plurality of the fixing structures are arranged in two columns, and at least one column of the fixing structures is arranged asymmetrically.

A BMS component includes a BMS bracket and a BMS; the BMS is fixedly connected to a bracket carrier part of the BMS bracket.

A battery pack includes a BMS bracket and a lower shell; the bracket mounting part of the BMS bracket is connected to the lower shell.

The beneficial effects of the present utility model mainly lie in:

The BMS bracket and its components and battery packs provided by the present invention are provided with a plurality of fixing structures for fixing the BMS on the bearing surface of the support plate portion of the bracket, and the plurality of fixing structures are arranged asymmetrically, so as to prevent the wrong installation of the BMS. , which greatly improves the installation accuracy of the BMS on the BMS bracket, thereby improving the assembly efficiency of the battery pack to a certain extent.

In order to make the above-mentioned objects, features and advantages of the present application more obvious and easy to understand, preferred embodiments are exemplified below, and are described in detail as follows in conjunction with the accompanying drawings.

Description of drawings

In order to illustrate the technical solutions of the embodiments of the present invention more clearly, the accompanying drawings that need to be used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of the present invention. Therefore, it should not be regarded as a limitation of the scope. For those of ordinary skill in the art, other related drawings can also be obtained from these drawings without any creative effort.

1 is a schematic structural diagram of a BMS support provided by an embodiment of the present invention;

Fig. 2 is the front view of the BMS bracket shown in Fig. 1;

Fig. 3 is the top view of the BMS bracket shown in Fig. 2;

4 is a schematic structural diagram of a BMS component provided by an embodiment of the present invention;

FIG. 5 is a schematic structural diagram of a battery pack provided by an embodiment of the present invention.

Icon: 100-BMS bracket; 110-Bracket carrier plate; 111-Load surface; 112-Fixing structure; 120-Bracket mounting part; 121-Installation structure; 122-Positioning structure; Structure; 200-BMS; 300-BMS assembly; 400-lower case.

Detailed ways

In order to make the purposes, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions in the embodiments of the present utility model will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present utility model. The embodiments described above are a part of the embodiments of the present invention, but not all of the embodiments. The components of the embodiments of the invention generally described and illustrated in the drawings herein may be arranged and designed in a variety of different configurations.

Accordingly, the following detailed description of the embodiments of the invention provided 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 those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

It should be noted that like numerals and letters refer to like items in the following figures, so once an item is defined in one figure, it does not require further definition and explanation 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" and "outer" The orientation or positional relationship indicated by etc. is based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship that the utility model product is usually placed in use, only for the convenience of describing the present utility model and simplifying the description, not Indicates or implies that the referred device or element must have a particular orientation, be constructed and operate in a particular orientation, and therefore should not be construed as a limitation of the present invention. Furthermore, the terms "first", "second", "third", etc. are only used to differentiate the description and should not be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical", "overhanging" etc. do not imply that a component is required to be absolutely horizontal or overhang, but rather may be slightly inclined. For example, "horizontal" only means that its direction is more horizontal than "vertical", it does not mean that the structure must be completely horizontal, but can be slightly inclined.

In the description of the present invention, it should also be noted that, unless otherwise expressly specified and limited, the terms "arrangement", "installation", "connection" and "connection" should be understood in a broad sense, for example, it may be a fixed connection It can also be a detachable connection or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or the internal communication between the two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood in specific situations.

Some embodiments of the present utility model will be described in detail below with reference to the accompanying drawings. The embodiments described below and features in the embodiments may be combined with each other without conflict.

Example

This embodiment provides a BMS bracket and its components and battery pack; please refer to FIGS. 1-5 , FIG. 1 is a perspective view of the BMS bracket provided in this embodiment, and FIG. 2 is a front view of the BMS bracket shown in FIG. 1 , FIG. 3 is a top view of the BMS bracket shown in FIG. 2 , and the fixing structure of the support plate part of the bracket is not shown in the figure; FIG. 4 is a schematic three-dimensional structure diagram of the BMS assembly provided by the present embodiment; FIG. 5 The battery pack provided by the present embodiment Schematic diagram of the three-dimensional structure, the figure shows that the BMS component is fixed on the lower casing, and other structures are not shown.

Referring to FIG. 1-FIG. 3 and FIG. 4, the BMS bracket provided in this embodiment is used for fixing the BMS, especially for fixing the BMS of products such as electric vehicles, hybrid vehicles, battery vehicles, robots, and drones. Among them, the full name of BMS is BATTERY MANAGEMENT SYSTEM, the Chinese name is battery management system, commonly known as battery nanny or battery housekeeper.

The BMS bracket 100 includes a bracket carrier plate portion 110 .

A plurality of fixing structures 112 for fixing the BMS 200 are provided on the bearing surface 111 of the support carrier plate portion 110 ; the plurality of fixing structures 112 are arranged asymmetrically. For example, the plurality of fixing structures 112 are asymmetrical structures with respect to the axis of the bearing surface 111 to prevent the BMS 200 from being installed incorrectly; optionally, the plurality of fixing structures 112 are asymmetrical structures with respect to the axes of the plurality of fixing structures 112 to further prevent the BMS200 wrongly installed.

Optionally, the fixing structure 112 is a fixing hole or a fixing column.

Optionally, the fixed post is a threaded post.

Optionally, the fixing column is a threaded column connected by pressure riveting, and the threaded column is connected by means of pressure riveting, which facilitates the installation of the threaded column and the installation of the BMS200.

The BMS bracket 100 in this embodiment is provided with a plurality of fixing structures 112 for fixing the BMS 200 on the bearing surface 111 of the support plate portion 110 of the bracket, and the plurality of fixing structures 112 are arranged asymmetrically, so as to prevent the BMS 200 from being installed wrongly. The installation accuracy of the BMS 200 on the BMS bracket 100 is greatly improved, thereby improving the assembly efficiency of the battery pack to a certain extent.

Referring to FIG. 1 and FIG. 2 , in an optional solution of this embodiment, the plurality of fixing structures 112 are arranged in a non-linear manner. A nonlinear arrangement is adopted through the plurality of fixing structures 112 , so as to firmly fix the BMS 200 on the BMS bracket 100 .

Referring to FIG. 1 and FIG. 2 , in an optional solution of this embodiment, the plurality of fixing structures 112 are arranged in two columns, and at least one column of the fixing structures 112 is arranged asymmetrically. That is, one column of fixing structures 112 may be arranged asymmetrically, and the other column of fixing structures 112 may be arranged symmetrically; or both columns of fixing structures 112 may be arranged asymmetrically. At least one column of fixing structures 112 is asymmetrically arranged to prevent mis-installation of the BMS 200, which greatly improves the installation accuracy of the BMS 200 on the BMS bracket 100, thereby improving the assembly efficiency of the battery pack to a certain extent.

Wherein, in the same row of fixing structures 112 arranged asymmetrically, the plurality of fixing structures 112 in this row are asymmetric structures with respect to the axis of the bearing surface 111 , and further, the plurality of fixing structures 112 in this row are non-symmetrical with respect to their axes Symmetrical structure to effectively prevent the wrong installation of BMS200. For example, the plurality of fixing structures 112 in the same row are arranged at unequal intervals, so as to realize that the plurality of fixing structures 112 in the same row are asymmetrical structures with respect to their axis.

In an optional solution of this embodiment, the bracket carrier plate portion 110 and the bracket mounting portion 120 are integrally formed by extrusion of aluminum profiles. By adopting the aluminum profile extrusion and integral molding method, the production and processing of the BMS bracket 100 is facilitated, and the production cost of the BMS bracket 100 can be greatly reduced.

Referring to FIGS. 1-3 , in an optional solution of this embodiment, the BMS bracket 100 further includes a bracket mounting portion 120 that is fixedly connected to the bracket carrier plate portion 110 .

A plurality of asymmetrically arranged mounting structures 121 are provided on the mounting bottom surface of the bracket mounting portion 120 . The asymmetric arrangement of the plurality of mounting structures 121 prevents the BMS bracket 100 from being installed incorrectly, greatly improves the installation accuracy of the BMS bracket 100, and thus improves the assembly efficiency of the battery pack to a certain extent.

Optionally, there is an included angle between the bearing surface 111 and the mounting bottom surface. For example, the included angle between the bearing surface 111 and the mounting bottom surface is an acute angle, a right angle or an obtuse angle. Support BMS200.

Referring to FIG. 1 and FIG. 3 , in an optional solution of this embodiment, the mounting structure 121 is a mounting hole or a mounting post. Optionally, the mounting post is a threaded post.

Optionally, a plurality of mounting structures 121 are arranged at equal intervals.

Optionally, along the extending direction of the bracket mounting portion 120, the distance between the mounting structure 121 near one end of the bracket mounting portion 120 and the end of the bracket mounting portion 120, and the mounting structure 121 near the other end of the bracket mounting portion 120 is mounted on the bracket. The distances from the ends of the parts 120 are different.

Referring to FIG. 1 to FIG. 3 , in an optional solution of this embodiment, one or more positioning structures 122 are further provided on the mounting bottom surface of the bracket mounting portion 120 . The positioning structure 122 facilitates the installation of the BMS bracket 100 to improve the installation efficiency of the BMS bracket 100 to a certain extent.

Optionally, the number of positioning structures 122 is one.

Optionally, the number of positioning structures 122 is two, which are the main positioning structure 1221 and the secondary positioning structure 1222 respectively.

Along the extending direction of the bracket mounting portion 120 , the primary positioning structure 1221 and the secondary positioning structure 1222 are respectively disposed at both ends of the bracket mounting portion 120 .

The distance between the mounting structure 121 close to the main positioning structure 1221 and the main positioning structure 1221 is not equal to the distance between the mounting structure 121 close to the auxiliary positioning structure 1222 and the auxiliary positioning structure 1222, so that the main positioning structure 1221, the auxiliary positioning structure 1222 and a plurality of installation structures 121 are asymmetrically arranged to further prevent the wrong installation of the BMS bracket 100, which greatly improves the installation accuracy of the BMS bracket 100, and also improves the installation efficiency of the BMS bracket 100 to a certain extent. To a certain extent, the assembly efficiency of the battery pack is improved.

For example, the distance between the installation structure 121 close to the main positioning structure 1221 and the main positioning structure 1221 is greater than the distance between the installation structure 121 and the auxiliary positioning structure 1222 close to the auxiliary positioning structure 1222 .

For another example, the distance between the installation structure 121 close to the main positioning structure 1221 and the main positioning structure 1221 is smaller than the distance between the installation structure 121 close to the auxiliary positioning structure 1222 and the auxiliary positioning structure 1222 .

In the optional solution of this embodiment, the primary positioning structure 1221 is a circular hole, and the secondary positioning structure 1222 is an oblong hole, as shown in FIG. 1 and FIG. 3 ; the secondary positioning structure 1222 is an oblong hole to perform auxiliary positioning and absorb tolerances .

In an optional solution of this embodiment, the primary positioning structure 1221 and the secondary positioning structure 1222 are both structures such as positioning posts or positioning protrusions.

Optionally, the positioning post is a threaded post. By using the threaded column for positioning and installation, the BMS bracket 100 can be effectively prevented from tipping over during the installation process, and the assembly efficiency of the BMS bracket 100 is improved to a certain extent.

In an optional solution of this embodiment, the main positioning structure 1221 , the auxiliary positioning structure 1222 and all the mounting structures 121 are located on the same straight line. By arranging the main positioning structure 1221 , the auxiliary positioning structure 1222 and all the installation structures 121 on the same straight line, the processing of the main positioning structure 1221 , the auxiliary positioning structure 1222 and all the installation structures 121 is facilitated.

Referring to FIG. 4 , this embodiment further provides a BMS assembly 300 , including the BMS bracket 100 described in any of the above embodiments, and also includes a BMS 200 ; The BMS assembly 300 is provided with a plurality of fixing structures 112 for fixing the BMS 200 on the support carrier portion 110 of the BMS support 100 , and the plurality of fixing structures 112 are arranged asymmetrically, so as to prevent the BMS 200 from being installed incorrectly, and greatly improve the performance of the BMS. The installation accuracy of the BMS200 on the BMS bracket 100 improves the assembly efficiency of the battery pack to a certain extent.

The BMS assembly 300 provided in this embodiment includes the above-mentioned BMS bracket 100 . The technical features of the BMS bracket 100 disclosed above are also applicable to the BMS assembly 300 , and the technical features of the above-disclosed BMS bracket 100 will not be described repeatedly. In this embodiment, the BMS assembly 300 has the advantages of the BMS bracket 100 described above, and the advantages of the BMS bracket 100 disclosed above will not be repeated here.

Referring to FIG. 5 , this embodiment further provides a battery pack, which includes the BMS bracket 100 described in any of the above embodiments, and also includes a lower casing 400 ; the bracket mounting portion 120 of the BMS bracket 100 is connected to the lower casing 400 . In the battery pack, a plurality of fixing structures 112 for fixing the BMS 200 are arranged on the support carrier portion 110 of the BMS support 100, and the plurality of fixing structures 112 are arranged asymmetrically, so as to prevent the wrong installation of the BMS 200 and greatly improve the BMS 200. The installation accuracy on the BMS bracket 100 improves the assembly efficiency of the battery pack to a certain extent.

The battery pack provided in this embodiment includes the above-mentioned BMS bracket 100 , the technical features of the BMS bracket 100 disclosed above are also applicable to the battery pack, and the technical features of the above-disclosed BMS bracket 100 are not described repeatedly. In this embodiment, the battery pack has the advantages of the BMS bracket 100 described above, and the advantages of the BMS bracket 100 disclosed above will not be repeated here.

The above descriptions are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. For those skilled in the art, the present utility model may have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims (10)

1. A BMS bracket for fixing a BMS, comprising a bracket mounting plate part;

a plurality of fixing structures for fixing the BMS are arranged on the bearing surface of the support bearing plate part; a plurality of the fixing structures are arranged asymmetrically.

2. The BMS cradle of claim 1, further comprising a cradle mounting portion fixedly coupled to the cradle carrier plate portion;

a plurality of asymmetrically arranged mounting structures are arranged on the mounting bottom surface of the bracket mounting part;

an included angle is formed between the bearing surface and the mounting bottom surface.

3. The BMS support according to claim 2, wherein one or more locating structures are further provided on the mounting bottom surface.

4. The BMS support according to claim 3, characterized in that the number of positioning structures is two, respectively a primary positioning structure and a secondary positioning structure;

the main positioning structure and the auxiliary positioning structure are respectively arranged at two ends of the bracket mounting part along the extension direction of the bracket mounting part;

the distance between the mounting structure close to the main positioning structure and the main positioning structure is not equal to the distance between the mounting structure close to the auxiliary positioning structure and the auxiliary positioning structure.

5. The BMS support according to claim 4, wherein the primary positioning structure is a circular hole and the secondary positioning structure is an oblong hole; or the main positioning structure and the auxiliary positioning structure are positioning columns which are threaded columns;

and/or the main positioning structure, the auxiliary positioning structure and all the mounting structures are positioned on the same straight line.

6. The BMS support according to any of claims 2-5, characterized in that the fixing structures are fixing holes or fixing posts, which are threaded posts connected with a press rivet;

and/or the mounting structure is a mounting hole or a mounting column, and the mounting column is a threaded column.

7. The BMS support according to any of the claims 2-5, characterized in that a plurality of said fixation structures are in a non-linear arrangement;

and/or, the support carries the board portion with the support installation department adopts aluminium alloy extrusion integrated into one piece.

8. The BMS support according to claim 7, characterized in that a plurality of said fixing structures are arranged in two rows, at least one row of said fixing structures being arranged asymmetrically.

9. A BMS assembly comprising the BMS support of any of claims 1-8, further comprising a BMS; the BMS is fixedly connected to a bracket carrying plate portion of the BMS bracket.

10. A battery pack comprising the BMS support of any one of claims 2-8, further comprising a lower housing; the support mounting part of the BMS support is connected with the lower housing.

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