CN216213758U

CN216213758U - BMS support and subassembly and battery package thereof

Info

Publication number: CN216213758U
Application number: CN202122355800.3U
Authority: CN
Inventors: 韩博娜; 马腾; 朱建伟
Original assignee: Svolt Energy Technology Co Ltd
Current assignee: Svolt Energy Technology Co Ltd
Priority date: 2021-09-27
Filing date: 2021-09-27
Publication date: 2022-04-05
Anticipated expiration: 2031-09-27

Abstract

A BMS support, a component thereof and a battery pack relate to the technical field of battery management. The BMS bracket is used for fixing a BMS and comprises a bracket carrying 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. The BMS assembly includes a BMS support. The battery pack includes a BMS support. The utility model aims to provide a BMS bracket, a component thereof and a battery pack, which solve the technical problem of high misassembly probability when the BMS is installed on the BMS bracket in the prior art to a certain extent.

Description

BMS support and subassembly and battery package thereof

Technical Field

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

Background

The BATTERY management system, called BATTERY management MANAGEMENT SYSTEM for short as BMS, commonly called BATTERY caregiver or BATTERY manager, is mainly used for intelligently managing and maintaining each BATTERY unit, preventing overcharge and overdischarge of the BATTERY, prolonging the service life of the BATTERY, and monitoring the state of the BATTERY. The battery management system can be used for products such as electric automobiles, hybrid electric vehicles, battery cars, robots and unmanned aerial vehicles.

At present, the wrong dress probability is great when BMS installs on the BMS support, need pull down the repacking, influences the packaging efficiency of battery package.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a BMS bracket, a component thereof and a battery pack, which solve the technical problem of high misassembly probability when the BMS is installed on the BMS bracket in the prior art to a certain extent.

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

a BMS bracket for fixing a BMS includes 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.

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

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.

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

In any of the above technical solutions, optionally, the number of the positioning structures is two, and the two positioning structures are respectively a main positioning structure and an auxiliary 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.

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 the main positioning structure and the auxiliary positioning structure are positioning columns, and the positioning columns 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.

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 a rivet press;

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

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

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

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

A BMS assembly comprising a BMS support and further comprising a BMS; the BMS is fixedly connected to a bracket carrying plate portion of the BMS bracket.

A battery pack includes a BMS bracket, and further includes a lower case; the support mounting part of the BMS support is connected with the lower housing.

The utility model has the following beneficial effects:

according to the BMS support, the assembly of the BMS support and the battery pack, the plurality of fixing structures for fixing the BMS are arranged on the bearing surface of the support plate part, and the plurality of fixing structures are asymmetrically arranged, so that the BMS is prevented from being assembled in a wrong way, the correct installation rate of the BMS on the BMS support is greatly improved, and the assembly efficiency of the battery pack is improved to a certain extent.

In order to make the aforementioned and other objects, features and advantages of the present application more comprehensible, preferred embodiments accompanied with figures are described in detail below.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed 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 view of a BMS support provided by an embodiment of the present invention;

fig. 2 is a front view of the BMS support shown in fig. 1;

fig. 3 is a top view of the BMS support shown in fig. 2;

fig. 4 is a schematic structural view of a BMS module according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of a battery pack according to an embodiment of the present invention.

Icon: 100-BMS scaffold; 110-a bracket carrier plate portion; 111-a carrying surface; 112-a fixed structure; 120-a bracket mounting portion; 121-a mounting structure; 122-a positioning structure; 1221-a primary positioning structure; 1222-a secondary positioning structure; 200-BMS; 300-a BMS component; 400-lower shell.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of 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 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, 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.

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 and 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 orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the present invention are conventionally placed in use, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element to which the description refers must have a specific orientation, be constructed in a specific orientation, and be operated, 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", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but 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 and may, for example, be fixedly connected, detachably connected, or integrally connected; 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

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

Examples

The present embodiment provides a BMS support, a module thereof and a battery pack; referring to fig. 1 to 5, fig. 1 is a perspective view of a BMS support according to the present embodiment, fig. 2 is a front view of the BMS support shown in fig. 1, and fig. 3 is a top view of the BMS support shown in fig. 2, in which a fixing structure of a support plate part is not shown; fig. 4 is a schematic perspective view of the BMS module according to the present embodiment; fig. 5 is a perspective view illustrating the structure of the battery pack according to the present embodiment, in which the BMS module is mounted to the lower case, without showing other structures.

Referring to fig. 1 to 3 and fig. 4, the BMS support according to the present embodiment is provided for fixing a BMS, particularly a BMS for fixing products such as an electric vehicle, a hybrid vehicle, a battery car, a robot, and an unmanned aerial vehicle. The BMS is named BATTERY MANAGEMENT SYSTEM, the Chinese name is a BATTERY management system, and the BMS is commonly called a BATTERY caregiver or a BATTERY manager.

The BMS support 100 includes a support plate part 110.

A plurality of fixing structures 112 for fixing the BMS200 are provided on the mounting surface 111 of the bracket mounting plate part 110; the plurality of fixation structures 112 are asymmetrically arranged. For example, the plurality of fixing structures 112 are asymmetrically configured with respect to the axis of the bearing surface 111 to prevent the BMS200 from being mis-assembled; optionally, the plurality of fixing structures 112 are asymmetrically configured with respect to an axis of the plurality of fixing structures 112 to further prevent the BMS200 from being mis-assembled.

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

Optionally, the fixed post is a threaded post.

Optionally, the fixed column is a threaded column connected by press riveting, and the threaded column is connected by press riveting, so that the installation of the threaded column and the installation of the BMS200 are facilitated.

In the BMS support 100 of the present embodiment, the plurality of fixing structures 112 for fixing the BMS200 are provided on the bearing surface 111 of the support plate part 110, and the plurality of fixing structures 112 are asymmetrically arranged to prevent the mis-assembly of the BMS200, thereby greatly improving the installation accuracy of the BMS200 on the BMS support 100 and improving the assembly efficiency of the battery pack to a certain extent.

Referring to fig. 1 and 2, in an alternative to the present embodiment, a plurality of fixed structures 112 are in a non-linear arrangement. A non-linear arrangement is employed by the plurality of fixing structures 112 to facilitate secure fixation of the BMS200 to the BMS support 100.

Referring to fig. 1 and 2, in an alternative embodiment, a plurality of the fixing structures 112 are provided in two rows, and at least one row of the fixing structures 112 is arranged asymmetrically. That is, one row of the fixing structures 112 is arranged asymmetrically, and the other row of the fixing structures 112 can be arranged symmetrically; or the two columns of fixed structures 112 may be arranged asymmetrically. The at least one row of fixing structures 112 are asymmetrically arranged to prevent the mis-assembly of the BMS200, thereby greatly improving the installation accuracy of the BMS200 on the BMS support 100 and thus improving the assembly efficiency of the battery pack to a certain extent.

Among the fixing structures 112 in the same row asymmetrically arranged, the fixing structures 112 in the row are asymmetrically arranged with respect to the axis of the bearing surface 111, and further, the fixing structures 112 in the row are asymmetrically arranged with respect to their own axes, so as to effectively prevent the mis-assembly of the BMS 200. For example, the plurality of fixing structures 112 in the same column are arranged at unequal intervals to realize that the plurality of fixing structures 112 in the same column are asymmetric about their own axes.

In an alternative embodiment, the bracket plate portion 110 and the bracket mounting portion 120 are integrally formed by extruding aluminum. Through adopting aluminium alloy extrusion integrated into one piece mode, both be convenient for produce processing BMS support 100, can greatly reduce BMS support 100's manufacturing cost again.

Referring to fig. 1 to 3, in an alternative embodiment, the BMS support 100 further includes a support mounting part 120 fixedly coupled to the support plate part 110.

The bracket mounting portion 120 is provided with a plurality of mounting structures 121 arranged asymmetrically on a mounting bottom surface. Be asymmetric arrangement through a plurality of mounting structure 121 to prevent BMS support 100 misloading, greatly improved BMS support 100's installation correct rate, thereby improved the packaging efficiency of battery package to a certain extent.

Optionally, the bearing surface 111 and the mounting bottom surface form an included angle therebetween. For example, the angle between the bearing surface 111 and the mounting bottom surface is an acute angle, a right angle, or an obtuse angle, and optionally, the angle between the bearing surface 111 and the mounting bottom surface is a right angle or a similar right angle, so that the BMS support 100 can better support the BMS 200.

Referring to fig. 1 and 3, in an alternative to this embodiment, the mounting structure 121 is a mounting hole or a mounting post. Optionally, the mounting post is a threaded post.

Alternatively, the plurality of mounting structures 121 are equally spaced.

Alternatively, the distance between the mounting structure 121 near one end of the cradle mounting portion 120 and the end of the cradle mounting portion 120 may be different from the distance between the mounting structure 121 near the other end of the cradle mounting portion 120 and the end of the cradle mounting portion 120 in the extending direction of the cradle mounting portion 120.

Referring to fig. 1-3, in an alternative embodiment, one or more locating structures 122 are also provided on the mounting bottom surface of the cradle mounting portion 120. By the positioning structures 122, so that the BMS support 100 is mounted to improve the mounting efficiency of the BMS support 100 to some extent.

Optionally, the number of locating structures 122 is one.

Optionally, the number of positioning structures 122 is two, namely a primary positioning structure 1221 and a secondary positioning structure 1222.

The main positioning structure 1221 and the sub positioning structure 1222 are respectively provided at both ends of the rack mounting portion 120 in the extending direction of the rack 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 the plurality of mounting structures 121 are asymmetrically arranged, and the mis-assembly of the BMS support 100 is further prevented, thereby greatly improving the mounting accuracy of the BMS support 100, and also improving the mounting efficiency of the BMS support 100 to a certain extent, and further improving the assembly efficiency of the battery pack to a certain extent.

For example, the distance between the mounting structure 121 near the primary positioning structure 1221 and the primary positioning structure 1221 is greater than the distance between the mounting structure 121 near the secondary positioning structure 1222 and the secondary positioning structure 1222.

As another example, the distance between the mounting structure 121 near the primary positioning structure 1221 and the primary positioning structure 1221 is less than the distance between the mounting structure 121 near the secondary positioning structure 1222 and the secondary positioning structure 1222.

In an alternative 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 3; the secondary positioning structure 1222 is an oblong hole to aid in positioning and to take up tolerances.

In an alternative of this embodiment, the primary positioning structure 1221 and the secondary positioning structure 1222 are both positioning posts or positioning protrusions.

Optionally, the positioning post is a threaded post. Through adopting the screw thread post to fix a position the installation, can effectively prevent in the installation BMS support 100 and empty, improved BMS support 100's assembly efficiency to a certain extent.

In an alternative of this embodiment, the primary positioning structure 1221, the secondary positioning structure 1222, and all of the mounting structures 121 are located on the same line. The main positioning structure 1221, the sub positioning structure 1222 and all the mounting structures 121 are arranged on the same straight line, so that the machining of the main positioning structure 1221, the sub positioning structure 1222 and all the mounting structures 121 is facilitated.

Referring to fig. 4, the present embodiment also provides a BMS assembly 300 including the BMS support 100 of any one of the above embodiments and further including a BMS 200; the BMS200 is fixedly coupled to the bracket carrying plate part 110 of the BMS bracket 100. This BMS assembly 300, through being provided with a plurality of fixed knot structure 112 that are used for fixed BMS200 on the support carrier part 110 of BMS support 100, and a plurality of fixed knot structure 112 are asymmetric arrangement to prevent BMS200 misloading, greatly improved the installation rate of correctness of BMS200 on BMS support 100, thereby improved the packaging efficiency of battery package to a certain extent.

The BMS module 300 according to the present embodiment, including the BMS support 100 as described above, is also applicable to the BMS assembly 300 according to the technical features of the disclosed BMS support 100 as described above, and the technical features of the disclosed BMS support 100 as described above will not be described repeatedly. The BMS module 300 of the present embodiment has the advantages of the BMS support 100 described above, and the advantages of the BMS support 100 disclosed above will not be described repeatedly herein.

Referring to fig. 5, the present embodiment also provides a battery pack including the BMS support 100 of any one of the above embodiments, and further including a lower case 400; the rack mounting part 120 of the BMS rack 100 is coupled to the lower case 400. This battery pack, through being provided with a plurality of fixed knot structure 112 that are used for fixed BMS200 on BMS support 100's support carrier portion 110, and a plurality of fixed knot structure 112 are asymmetric arrangement to prevent BMS200 misloading, greatly improved the installation accuracy of BMS200 on BMS support 100, thereby improved the packaging efficiency of battery pack to a certain extent.

The present embodiment provides a battery pack including the BMS support 100 described above, to which the technical features of the disclosed BMS support 100 described above are also applied, and the technical features of the disclosed BMS support 100 described above will not be described repeatedly. The advantages of the BMS support 100 described above are provided to the battery pack in this embodiment, and the advantages of the BMS support 100 disclosed above will not be described repeatedly herein.

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 BMS bracket for fixing a BMS, comprising a bracket mounting plate part;

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

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;

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;

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;

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;

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.