CN218827700U

CN218827700U - Electrical connection support, battery pack frame and battery pack

Info

Publication number: CN218827700U
Application number: CN202223488359.7U
Authority: CN
Inventors: 文刚; 李德壮
Original assignee: GAC Aion New Energy Automobile Co Ltd
Current assignee: GAC Aion New Energy Automobile Co Ltd
Priority date: 2022-12-23
Filing date: 2022-12-23
Publication date: 2023-04-07
Anticipated expiration: 2032-12-23

Abstract

The application relates to the technical field of battery pack electrical connection, and provides an electrical connection support, a battery pack frame and a battery pack, which mainly comprise a support body, a first mounting groove for high-voltage output connection and a second mounting groove for low-voltage output connection; the first mounting groove is provided with a first opening facing upwards on the support body; the second mounting groove is provided with a second opening facing upwards and a third opening facing the end part on the support body, and the second opening is communicated with the third opening. In this application be provided with first mounting groove and second mounting groove on the support body, first mounting groove can be used for high-pressure output to connect, and the second mounting groove then can be used for low pressure output to connect to make high pressure output connect and low pressure output connect can integrate one on the support body, reduced part quantity effectively, the optimization of installation space also can be convenient for simultaneously.

Description

Electrical connection support, battery pack frame and battery pack

Technical Field

The application relates to the technical field of battery pack electrical connection, in particular to an electrical connection support, a battery pack frame and a battery pack.

Background

Currently, in the use of the battery pack, as shown in fig. 1, the bus bar 11 of the battery module 1 is used for high voltage output, the output end of the flexible circuit board 12 is used for low voltage output, and the bus bar 11 and the flexible circuit board 12 are respectively provided with the high voltage connecting support 111 and the low voltage connecting support 121, so that the number of components of the module is large. Meanwhile, on the end plate of the battery module 1, a cavity for inserting the high-voltage connecting support 111 and the low-voltage connecting support 121 needs to be reserved, so that the design of the module is limited, and the space utilization rate is reduced; and rely on module end plate 13 to provide the form of installation fixed point, also can not be applicable to the condition of the electric core and the battery module of following the side and drawing forth utmost point post.

SUMMERY OF THE UTILITY MODEL

In order to overcome the above-mentioned shortcoming in the prior art, the present application aims to provide an electrical connection support, a battery pack frame and a battery pack, which can improve the integration efficiency and the space utilization rate of a battery module.

The technical means adopted by the application to solve the technical problems are as follows:

the application provides an electrical connection support which comprises a support body, a first mounting groove and a second mounting groove, wherein the first mounting groove is used for high-voltage output connection, and the second mounting groove is used for low-voltage output connection;

the first mounting groove is provided with a first opening facing upwards on the support body;

the second mounting groove is provided with a second opening facing upwards and a third opening facing the end part on the support body, and the second opening is communicated with the third opening.

In the above-mentioned realization process, this application is provided with first mounting groove and second mounting groove on the support body, wherein, first mounting groove can be used for high pressure output to connect, and the second mounting groove then can be used for low pressure output to connect to make high pressure output connect and low pressure output connect can integrate one on the support body, reduced part quantity effectively, the optimization of installation space also can be convenient for simultaneously.

Preferably, a protective cover is arranged on the support body and is arranged above the first opening;

the protective cover is detachably connected with the support body.

In the implementation process, the protective cover is arranged, so that the protection of the high-voltage output connection node can be improved, meanwhile, the condition of mistaken touch can be avoided, and the protective cover can be used more safely and reliably.

Preferably, the protective cover is provided with a plurality of connecting portions extending towards the support body, a first buckle is arranged on the inner side of each connecting portion, and a first clamping groove matched with the first buckle is formed in the side face of the support body.

In the implementation process, the first buckle is clamped with the first clamping groove, so that the protective cover can be more conveniently disassembled and assembled.

Preferably, an anti-rotation nut insert is arranged in the first mounting groove.

In the implementation process, the anti-rotation nut insert is arranged, so that the bus bar of the battery module can be conveniently installed and connected with an external copper bar when the anti-rotation nut insert is installed and applied.

Preferably, the second mounting groove comprises an outer wall plate, and the inner wall surface of the support body, which is opposite to the outer wall plate, is of a stepped structure.

Preferably, the outer wall plate is provided with a plurality of hollow grooves and second buckles extending into the hollow grooves;

and a low-voltage connector is arranged in the second mounting groove and is connected with the second buckle in a clamping manner.

In the implementation process, the second buckle is arranged to prevent the low-voltage connector from accidentally dropping out of the second mounting groove after installation, so that the installation state of the low-voltage connector in the second mounting groove can be more reliable.

Preferably, the low-voltage connector is installed on the reinforcing plate, and a second clamping groove matched with the second buckle is formed in the side face of the reinforcing plate.

In the implementation process, the low-voltage connector can be conveniently pre-installed on the reinforcing plate through the reinforcing plate, and then the low-voltage connector and the reinforcing plate are installed in the second installation groove, so that the installation efficiency is higher.

Preferably, the bottom of the holder body is provided with a socket.

In the implementation process, the inserting part is arranged, so that the support body can be quickly installed and positioned when being installed, and the installation operation efficiency is improved conveniently.

There is also provided in the present application a battery pack frame comprising a frame beam, the frame beam having mounted thereon an electrical connection support as described above.

In the implementation process, the electric connection support provided by the application is applied to the battery pack frame, and high-voltage connection and low-voltage connection functions are integrated on the electric connection support, so that the installation quantity of parts on the battery pack frame can be effectively reduced; meanwhile, the electrical connection support can be directly arranged on the frame beam, so that structural design limitation on an end plate of the battery module can be avoided, and the space utilization rate of the battery module can be improved conveniently; in addition, because the mounted position of electrical connection support can be more nimble to can satisfy the installation when battery module side direction goes out utmost point post and use, be convenient for improve battery module's integrated efficiency.

There is also provided a battery pack provided with an electrical connection support as described above; or, it is provided with a battery pack frame as described above.

Drawings

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

Fig. 1 is a schematic view illustrating an electrical connection layout at an end of a battery module in the prior art.

Fig. 2 is a schematic structural diagram of the electrical connection support of the present application.

Fig. 3 is an exploded view of the electrical connection mount of the present application.

Fig. 4 is a schematic view of an overhead structure of the second mounting groove of the present application.

Fig. 5 is a schematic structural view of the hollow-out groove of the present application.

Fig. 6 is a schematic structural diagram of the plugging hole of the present application.

Fig. 7 is a schematic view of the mounting of the electrical connection mount of the present application to a frame beam.

Fig. 8 is a schematic view illustrating the installation of the battery module and the electrical connection holder according to the present invention.

Fig. 9 is a schematic structural view of the battery module according to the present application after installation.

Fig. 10 is a schematic structural view of the battery module after electrical connection.

Description of the labeling:

1-battery module, 11-bus bar, 111-high voltage connection support, 12-flexible circuit board, 121-low voltage connection support, 13-module end plate;

2-an electrical connection support, 20-a support body, 201-a first clamping groove, 202-a stepped structure, 21-a first installation groove, 211-a first opening, 22-a second installation groove, 221-a second opening, 222-a third opening, 223-an outer wall plate, 2231-a hollowed-out groove, 2232-a second buckle, 23-an anti-rotation nut insert, 24-a protective cover, 241-a connecting part, 242-a first buckle and 25-a plug part;

3-external copper bars;

4-low voltage connector, 41-reinforcing plate, 411-second slot;

5-an external low voltage wiring harness;

6-frame beam, 61-plug hole.

Detailed Description

So that the manner in which the above recited objects, features and advantages of the present invention can be understood in detail, a more particular description of the invention, briefly summarized above, may be had by reference to the embodiments thereof which are illustrated in the appended drawings. In addition, the embodiments and features of the embodiments of the present application may be combined with each other without conflict. In the following description, numerous specific details are set forth to provide a thorough understanding of the present invention, and the described embodiments are merely a subset of the embodiments of the present invention, rather than a complete embodiment. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

It should be noted that: unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. 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. Meanwhile, in the description of the present application, the terms "first", "second", and the like are used only for distinguishing the description, and are not to be construed as indicating or implying relative importance.

As shown in fig. 2 to 10, the present embodiment provides an electrical connection holder 2 including a holder body 20, a first mounting groove 21 and a second mounting groove 22 provided on the holder body 20. The first mounting groove 21 can be used for mounting a high-voltage connecting assembly, so that high-voltage output connection is realized; the second mounting groove 22 can be used for mounting a low-voltage connecting component, so that low-voltage output connection is realized. Make one on the support body 20, can realize the connection function of high pressure output and low pressure output simultaneously, for the split type mode that sets up high pressure connection support 111 and low pressure connection support 121 in the traditional art, required spare part during can effectively reducing the installation, the integrated level is higher.

Further, the first mounting groove 21 is provided with a first opening 211 facing upward on the support body 20, an anti-rotation nut insert 23 in a shape of "T" is provided in the first mounting groove 21, and the anti-rotation nut insert 23 is inserted into the first mounting groove 21 from the first opening 211, as shown in fig. 2. The anti-rotation nut insert 23 is arranged, so that the bus bar 11 of the battery module 1 can be conveniently installed and connected with the external copper bar 3 when the anti-rotation nut insert is installed and applied.

In a preferred embodiment, a detachable protective cover 24 is provided corresponding to the first opening 211 or, as it may be, to the anti-rotation nut insert 23 after installation. In the installed state, the protective cover 24 is located right above the first opening 211. The protective cover 24 can improve protection on the high-voltage output connection node, can avoid the situation of mistaken touch, and can be used more safely and reliably.

As an application example, in the present embodiment, a plurality of connecting portions 241 are provided on one side surface of the protective cover 24, and the plurality of connecting portions 241 are provided to extend toward the holder body 20. Each of the extending ends of the connecting portion 241 are each provided with a first buckle 242 in a protruding manner, and the side surface of the support body 20 is provided with a first clamping groove 201 matched with the first buckle 242, so that the protective cover 24 and the support body 20 can be detachably mounted and connected by clamping the first buckle 242 with the first clamping groove 201, and meanwhile, the protective cover 24 can be more conveniently disassembled and assembled.

As a preferable scheme, in this embodiment, the first buckle 242 and the first locking groove 201 are disposed at four positions to adapt to the structural shape of the protection cover 24, so that the stress condition of the protection cover 24 when in contact stress can be more uniform, and the service life of the protection cover 24 is prolonged.

In addition, the second mounting groove 22 is provided with a second opening 221 facing upward and a third opening 222 facing an end portion on the support body 20, the second opening 221 is communicated with the third opening 222, and the third opening 222 faces away from the first mounting groove 21.

As an application example thereof, in the present embodiment, a low voltage connector 4 is provided in the second mounting groove 22, the low voltage connector 4 being used for electrically conductive communication with an external low voltage wiring harness 5, as shown in fig. 10; a reinforcing plate 41 is further arranged corresponding to the low-voltage connector 4, and the low-voltage connector 4 is pre-installed on the reinforcing plate 41. Through the arrangement of the reinforcing plate 41, the low-voltage connector 4 can be conveniently pre-installed on the reinforcing plate 41, and then is installed in the second installation groove 22 together with the reinforcing plate 41, so that the installation efficiency is higher.

Preferably, in this embodiment, the second installation groove 22 includes an outer wall plate 223, and an inner wall surface of the holder body 20 opposite to the outer wall plate 223 is a stepped structure 202. The stepped structure 202 is formed, so that stepped spaces with different relative distances exist between the inner wall surface of the support body 20 and the outer wall plate 223, as shown in fig. 3, when the reinforcing plate 223 is installed in the second installation groove 22, the reinforcing plate 223 can be laterally installed and limited through the stepped space with the smallest relative distance, and the design is ingenious.

Further, a plurality of hollow-out grooves 2231 and a second fastener 2232 extending into the hollow-out grooves 2231 are further disposed on the outer wall plate 223; in this embodiment, the hollow-out groove 2231 is disposed at a middle-lower position of the outer wall plate 223, and the second buckle 2232 is disposed in the hollow-out groove 2231 from top to bottom, as shown in fig. 4. The fastening portion of the second fastener 2232 is protruded toward the inside of the second mounting groove 22.

Furthermore, in this embodiment, a second locking groove 411 matched with the second locking buckle 2232 is disposed on a side surface of the reinforcing plate 41. Through the second buckle 2232 and the second card slot 411, the low-voltage connector 4 can be used for preventing the low-voltage connector 4 from accidentally coming off from the second mounting groove 22 after being mounted, so that the mounting state of the low-voltage connector 4 in the second mounting groove 22 can be more reliable.

Preferably, in this embodiment, the bottom of the holder body 20 is further provided with an insertion portion 25, and the insertion portion 25 may be used for insertion connection with an external structural member, for example, when the electrical connection holder 2 is installed in a battery pack, the insertion portion 25 may be inserted into an internal structural beam of the battery pack. Through the arrangement of the inserting part 25, the support body 20 can be conveniently and quickly installed and positioned during installation, and the installation operation efficiency is conveniently improved.

In this embodiment, the support body 20 is provided with a first mounting groove 21 and a second mounting groove 22, wherein the first mounting groove 21 can be used for high-voltage output connection, and the second mounting groove 22 can be used for low-voltage output connection, so that the high-voltage output connection and the low-voltage output connection can be integrated on one support body 20, thereby effectively reducing the number of parts, and facilitating the optimization of the mounting space.

In addition, thanks to the electrical connection support 2, a battery pack frame is also provided in the present application, which includes a frame beam 6, wherein the frame beam 6 is provided with a plug hole 61 matching with the plug portion 25, and the electrical connection support 2 is directly inserted and arranged on the frame beam 6.

Preferably, in the present embodiment, the cross-sectional shape of the inserting portion 25 is polygonal or elliptical, and the shape of the inserting hole 61 is consistent with the cross-sectional shape of the inserting portion 25, so as to prevent the holder body 20 from rotating by itself after being inserted and mounted.

As a preferable scheme, in this embodiment, the electrical connection support 2 is preferably installed at the corner end connection position of the frame beam 6, so as to be convenient for installation application when simultaneously adapting to the end output pole and the lateral output pole.

In addition, a battery pack is provided in which an electrical connection holder 2 as described above or a battery pack frame as described above is provided.

In the embodiment, by applying the electrical connection support 2 provided by the present application to the battery pack frame, the electrical connection support 2 is integrally provided with high-voltage connection and low-voltage connection functions, so that the number of parts mounted on the battery pack frame can be effectively reduced; meanwhile, the electrical connection support 2 can be directly mounted on the frame beam 6, so that structural design limitation on a module end plate of the battery module 1 is avoided, and the space utilization rate of the battery module 1 and a battery pack is improved; in addition, because the mounted position of electrical connection support 2 can set up more nimble to can satisfy the installation application when 1 side direction of battery module goes out utmost point post, use more extensively, be convenient for improve the integrated efficiency of battery module.

The above description is only an embodiment of the present application and is not intended to limit the scope of the present application, and various modifications and changes may be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application. Any person skilled in the art can easily think of changes or substitutions in the technical scope disclosed in the present application, and shall also cover the protection scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrases "comprising one of 8230; \8230;" 8230; "does not exclude the presence of additional like elements in a process, method, article, or apparatus that comprises the element.

Claims

1. An electric connection support is characterized by comprising a support body, a first mounting groove for high-voltage output connection and a second mounting groove for low-voltage output connection;

2. The electrical connection cradle of claim 1, wherein a protective cover is disposed on the cradle body, the protective cover being disposed over the first opening;

the protective cover is detachably connected with the support body.

3. The electrical connection support according to claim 2, wherein the protective cover is provided with a plurality of connecting portions extending towards the support body, the inner sides of the connecting portions are provided with first fasteners, and the side surface of the support body is provided with first locking grooves matched with the first fasteners.

4. The electrical connection mount of claim 2 or 3, wherein an anti-rotation nut insert is disposed within the first mounting groove.

5. The electrical connection mount of claim 4, wherein the second mounting groove comprises an outer wall plate, and an inner wall surface of the mount body opposite to the outer wall plate is stepped.

6. The electrical connection support according to claim 5, wherein the outer wall plate is provided with a plurality of hollow grooves, and second fasteners extending into the hollow grooves;

7. The electrical connection support according to claim 6, further comprising a reinforcing plate, wherein the low voltage connector is mounted on the reinforcing plate, and a second slot is disposed on a side surface of the reinforcing plate and matches with the second buckle.

8. The electrical connection holder according to claim 1 or 7, wherein a socket is provided at a bottom of the holder body.

9. A battery pack frame comprising frame beams having mounted thereon an electrical connection mount according to any one of claims 1 to 8.

10. A battery pack, characterized in that it is provided with an electrical connection holder as claimed in any one of claims 1-8;

or, it is provided with a battery pack frame as recited in claim 9.