CN218769971U - Busbar fixed bolster, battery package and consumer - Google Patents

Abstract

The application discloses a bus bar fixing support, a battery pack and electric equipment, which comprise a mounting cover, a mounting base, at least one limiting plate and at least one bayonet; the mounting base is detachably connected with the mounting cover, and when the mounting cover is connected with the mounting base, an accommodating space is formed; the mounting base is provided with at least one limiting plate, and when the limiting plate is arranged on the mounting base, a plurality of mounting positions for fixing the bus bar are formed in the accommodating space; and the at least one clamping thorn is connected with the mounting base and used for fixing the busbar fixing bracket in the battery pack. This application has reduced the assembly cost to the battery package, has promoted the assembly efficiency to the battery package.

Description

Busbar fixed bolster, battery package and consumer

Technical Field

The application relates to the technical field of power batteries, in particular to a busbar fixed bolster, a battery package and electric equipment.

Background

A bus bar fixing bracket is generally disposed in the battery pack, and the bus bar fixing bracket is used for fixing the bus bar. In the prior art, the fixing piece is arranged on the busbar fixing support, the mounting piece is arranged in the battery pack, meanwhile, the fastening accessories such as the rivet pressing nut are arranged on the mounting piece, and the busbar fixing support can be fixed in the battery pack by matching the fixing piece with the fastening accessories. However, in the above-described fixing manner, the corresponding fastening accessories must be provided on the mounting member in advance, which greatly increases the assembly cost of the battery pack and also greatly reduces the assembly efficiency of the battery pack.

SUMMERY OF THE UTILITY MODEL

An object of this application is to provide a busbar fixed bolster, battery package and consumer, and it has reduced the assembly cost to the battery package, has promoted the assembly efficiency to the battery package.

The embodiment of the application is realized as follows:

in a first aspect, the present application provides a busbar fixing bracket, including a mounting cover, a mounting base, at least one limiting plate, and at least one bayonet; the mounting base is detachably connected with the mounting cover, and when the mounting cover is connected with the mounting base, an accommodating space is formed; the mounting base is provided with at least one limiting plate, and when the limiting plate is arranged on the mounting base, a plurality of mounting positions for fixing the bus bar are formed in the accommodating space; and the at least one clamping thorn is connected with the mounting base and used for fixing the busbar fixing bracket in the battery pack.

In one embodiment, the bayonet comprises an installation portion and a fastening portion; the mounting part is arranged on the mounting base; the fastening portion is provided on a side wall of the mounting portion.

In one embodiment, the bayonet is integrally formed with the mounting base.

In one embodiment, the mounting cover and the mounting base are both U-shaped structures.

In one embodiment, the limiting plate is provided with a plurality of slots, and the limiting plate is arranged on the side wall of the mounting base through the slots; the limiting plate can move along the height direction of the mounting base.

In one embodiment, a first protection member is disposed on the inner bottom surface of the mounting cover, and a second protection member is disposed on the inner bottom surface of the mounting base.

In an embodiment, the mounting base is provided with a plurality of first grooves, the mounting cover is provided with a plurality of second grooves, and the limiting plate is provided with a plurality of third grooves.

In a second aspect, the present application provides a battery pack, including at least one of the above bus bar fixing brackets, a plurality of bus bars, a plurality of battery modules, a housing, and a mounting beam; the plurality of busbars are fixed on the busbar fixing bracket; the plurality of battery modules are connected through the bus bar; the bus bar fixing support, the bus bar and the battery module are arranged in the shell; the mounting beam is arranged on the shell, and the busbar fixing support is fixed on the mounting beam.

In one embodiment, the mounting beam is provided with a mounting hole matched with the bayonet.

In a third aspect, the present application provides a power consuming apparatus, including at least one battery pack as described above.

Compared with the prior art, the beneficial effect of this application is: the application provides a bus bar fixing support which comprises an installation cover, an installation base, a limiting plate and a clamping thorn, wherein when the installation cover is connected with the installation base, an accommodating space is formed; when the limiting plate is arranged on the mounting base, a plurality of mounting positions for fixing the bus bar are formed in the accommodating space; the bayonet is connected with the mounting base and used for fixing the busbar in the bottom pool bag. It can be seen that, in this application, the busbar fixed bolster can direct mount in the battery package through the card thorn structure, need not to set up corresponding fastening accessory in the battery package in advance, has reduced the assembly cost to the battery package, has promoted the assembly efficiency to the battery package.

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 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 for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.

Fig. 1 is a schematic structural diagram of an electric device according to an embodiment of the present disclosure;

fig. 2 is a schematic structural diagram of a battery pack according to an embodiment of the present application;

FIG. 3 is a schematic structural diagram of a busbar assembly according to an embodiment of the present disclosure;

FIG. 4 is a schematic structural view of a busbar assembly according to another embodiment of the present disclosure;

FIG. 5 is a schematic structural view of a bus bar fixing bracket according to an embodiment of the present disclosure;

FIG. 6 is a cross-sectional view of a bus bar mounting bracket according to an embodiment of the present disclosure;

FIG. 7 is a cross-sectional view of a busbar assembly according to one embodiment of the present application;

FIG. 8 is a schematic structural diagram of a bayonet according to an embodiment of the present disclosure;

FIG. 9 is a schematic view of the bayonet installed according to one embodiment of the present application;

fig. 10 is an exploded view of a bus bar fixing bracket according to an embodiment of the present disclosure.

Reference numerals:

1-a power consumer; 10-a battery pack; 100-a housing; 200-a battery module; 300-a busbar assembly; 310-a bus; 311-first mounting hole; 320-a busbar mounting bracket; 321-mounting a cover; 3211-a second groove; 322-a mounting location; 323-mounting a base; 3231-first groove; 324-sticking; 3241-a mounting portion; 3242-a fastening portion; 325-a limiting plate; 3251-card slot; 3252-third groove; 326-first protector; 400-mounting the beam; 410-second mounting hole.

Detailed Description

The terms "first," "second," "third," and the like are used for descriptive purposes only and not for purposes of indicating or implying relative importance, and do not denote any order or order.

Furthermore, the terms "horizontal", "vertical", "suspended" and the like do not imply that the components are absolutely horizontal or suspended, 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 application, it should be noted that the terms "inside", "outside", "left", "right", "upper", "lower", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings or orientations or positional relationships that are conventionally arranged when products of the application are used, and are used only for convenience in describing the application and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the application.

In the description of the present application, unless expressly stated or limited otherwise, 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 technical solution of the present application will be clearly and completely described below with reference to the accompanying drawings.

Please refer to fig. 1, which is a schematic structural diagram of an electric device 1 according to an embodiment of the present application. As shown in fig. 1, the present application provides an electric device 1, wherein a battery pack 10 is disposed in the electric device 1, and the battery pack 10 is used for supplying power to the electric device 1, so that the electric device 1 can operate normally. The electric equipment 1 in the present application may be, for example, a vehicle, a mobile phone, a mobile device, a portable device, a laptop computer, a ship, a spacecraft, an electric toy, an electric tool, and the like. The vehicle can be a fuel automobile, a gas automobile or a new energy automobile, and the new energy automobile can be a pure electric automobile, a hybrid electric automobile and the like. The embodiment of the present application does not specifically limit the electric device 1.

Please refer to fig. 2, which is a schematic structural diagram of a battery pack 10 according to an embodiment of the present application. As shown in fig. 2, the battery pack 10 of the present application includes a case 100, a plurality of battery modules 200, and a plurality of bus bar assemblies 300. The battery module 200 and the bus bar assembly 300 are disposed in the housing 100, and the battery module 200 is connected through the bus bar assembly 300. In fig. 2, for convenience of description, the battery pack 10 including 2 battery modules 200 and 1 bus bar assembly 300 is described as an example.

Fig. 3 is a schematic structural diagram of a bus bar assembly 300 according to an embodiment of the present disclosure. Fig. 4 is a schematic structural diagram of a bus bar assembly 300 according to another embodiment of the present disclosure. As shown in fig. 3 and 4, the bus bar assembly 300 of the present application includes a bus bar fixing bracket 320 and a bus bar 310; the bus bar fixing bracket 320 is used to fix the bus bar 310, and the bus bar assembly 300 is used to connect the battery modules 200. Specifically, as shown in fig. 3, a plurality of first mounting holes 311 are formed in the bus bar 310, and the battery modules 200 can be fixed to the bus bar 310 through the first mounting holes 311, so that the bus bar 310 connects the plurality of battery modules 200. Further, a mounting beam 400 may be provided on the case 100 of the battery pack 10, and the bus bar fixing bracket 320 may be fixed to the mounting beam 400, in such a manner that the bus bar assembly 300 is fixedly provided in the battery pack 10.

Please refer to fig. 5, which is a schematic structural diagram of a bus bar fixing bracket 320 according to an embodiment of the present disclosure. Fig. 6 is a schematic cross-sectional view of a bus bar fixing bracket 320 according to an embodiment of the present application. Fig. 7 is a cross-sectional view of a bus bar assembly 300 according to an embodiment of the present disclosure. As shown in fig. 5, 6 and 7, the bus bar fixing bracket 320 of the present disclosure includes a mounting cover 321, a mounting base 323, at least one limiting plate 325 and at least one bayonet 324. Wherein, the mounting base 323 is detachably connected with the mounting cover 321, and when the mounting cover 321 is connected with the mounting base 323, a receiving space is formed. Specifically, as shown in fig. 5, the mounting base 323 and the mounting cover 321 may be both U-shaped structures, and the two U-shaped structures are butted to form an accommodating space as shown in fig. 5. At this time, the side wall of the mounting base 323 is detachably connected to the side wall of the mounting cover 321. Illustratively, as shown in fig. 5, the side wall of the mounting base 323 and the side wall of the mounting cover 321 may be connected in a snap-fit manner.

The limiting plate 325 is disposed on the mounting base 323 and located in the accommodating space, and when the limiting plate 325 is disposed on the mounting base 323, a plurality of mounting positions 322 for fixing the bus bar 310 are formed in the accommodating space. Wherein one bus bar 310 may be fixed to each accommodation space. For example, as shown in fig. 5, when the two limiting plates 325 are provided, 3 mounting positions 322 for fixing the bus bar 310 may be formed in the accommodating space.

The bayonet 324 is coupled to the mounting base 323, and the bayonet 324 is used to fix the bus bar fixing bracket 320 in the battery pack 10. Specifically, as described in the above embodiment, the bus bar fixing bracket 320 may be fixed by fixing the bayonet 324 to the mounting beam 400 provided in the battery pack 10. As shown in fig. 5, the bayonet 324 may be provided on the bottom surface of the mounting base 323, and a plurality of the bayonet 324 may be uniformly distributed on the bottom surface of the mounting base 323. Illustratively, the number of barbs 324 may be 2, 4, 6, 8, etc.

In one embodiment, the prongs 324 may be integrally formed with the mounting base 323. Specifically, the mounting base 323 and the bayonet 324 can be simultaneously processed by injection molding. In this way, the manufacturing process of the bus bar fixing bracket is simplified, and the manufacturing efficiency of the bus bar fixing bracket 320 is improved.

Please refer to fig. 8, which is a schematic structural diagram of the bayonet 324 according to an embodiment of the present application. Please refer to fig. 9, which is a schematic view illustrating an installation of the bayonet 324 according to an embodiment of the present application. As shown in fig. 8, the bayonet 324 of the present application includes a mounting portion 3241 and a fastening portion 3242; the mounting portion 3241 is provided on the mounting base 323, and the fastening portion 3242 is provided on the mounting portion 3241. Specifically, as shown in fig. 5, a mounting portion 3241 may be provided on a bottom surface of the mounting base 323, and a fastening portion 3242 may be provided on a side wall of the mounting portion 3241. As shown in fig. 9, the mounting beam 400 of the battery pack 10 is provided with a second mounting hole 410 for engaging with the bayonet 324. In practice, when the fixing is performed, the fixing of the bus bar fixing bracket 320 to the mounting beam 400 can be achieved by inserting the bayonet 324 into the second mounting hole 410 matched with the bayonet. When the bayonet 324 extends into the second mounting hole 410, the second mounting hole 410 is tightly connected to the fastening portion 3242.

In an embodiment, the second mounting hole 410 may be securely connected with the fastening portion 3242 by:

(1) The fastening portion 3242 may be a tooth structure, and the side surface of the second mounting hole 410 is also a tooth structure. The second mounting hole 410 is tightly coupled with the fastening portion 3242 by means of two tooth-shaped structures.

(2) The fastening portion 3242 may have a screw structure, and the side surface of the second mounting hole 410 may also have a screw structure. The second mounting hole 410 is fixedly coupled with the fastening portion 3242 by means of two screw structures.

(3) The fastening portion 3242 is of a spring structure, and a locking groove 3251 is disposed on a side surface of the second mounting hole 410. The second mounting hole 410 is fastened to the fastening portion 3242 by inserting the elastic piece structure into the slot 3251.

In another embodiment, the second mounting hole 410 may be interference-fitted with the fastening portion 3242, so as to ensure that the second mounting hole 410 is tightly connected with the fastening portion 3242.

Please refer to fig. 10, which is an exploded view of the bus bar fixing bracket 320 according to an embodiment of the present disclosure. As shown in fig. 10, a plurality of slots 3251 are provided on the position limiting plate 325, and the position limiting plate 325 is fixed on the side wall of the mounting base 323 through the plurality of slots 3251. The clamping groove 3251 is used for limiting the limiting plate 325, so that the limiting plate 325 cannot move along the length direction and the width direction of the mounting base 323; however, the catching groove 3251 does not limit the position of the stopper plate 325 in the height direction, and the stopper plate 325 can still move in the height direction (i.e., the Z direction in the drawing) of the mounting base 323.

The purpose of the above setting is: on the one hand, when the battery pack 10 is used in an automobile, the bus bar fixing bracket 320 may be impacted by an external force shown in the Z direction in the drawing, the limiting plate 325 is not limited in the height direction, the limiting plate 325 is prevented from being damaged when being impacted, and the limiting plate 325 is protected. On the other hand, the position of the limiting plate 325 is not limited in the height direction, so that the mounting position 322 can be adjusted by adjusting the position of the limiting plate 325, the mounting position 322 can be adaptively fixed on the busbars 310 with different thicknesses, and the mounting position can be flexibly adjusted.

As shown in fig. 10, in an embodiment, the mounting base 323 is provided with a first groove 3231, the mounting cover 321 is provided with a plurality of second grooves 3211, and the limiting plate 325 is provided with a plurality of third grooves 3252.

The purpose of setting up above-mentioned recess does: on the one hand, the weight reducing effect is achieved. On the other hand, the material is saved, and the manufacturing cost is reduced. In addition, the arrangement of the grooves enables reinforcing ribs to be formed on the mounting base 323, the mounting cover 321 and the limiting plate 325, and the structural strength of the mounting base 323, the mounting cover 321 and the limiting plate 325 is greatly improved.

As shown in fig. 10, in an embodiment, a first protection member 326 is disposed on an inner bottom surface of the mounting cover 321, and a second protection member (the second protection member is not shown in fig. 10) is disposed on an inner bottom surface of the mounting base 323. For example, the first protector 326 and the second protector may be foam.

The purpose of the protection member is to effectively prevent the mounting cover 321, the mounting base 323 and the bus bar 310 from rubbing to cause the failure of the insulation material due to the insulation material coated on the surface of the bus bar 310, thereby avoiding the occurrence of safety accidents.

As can be seen from the above embodiments, the present disclosure provides a bus bar fixing bracket 320, which includes a mounting cover 321, a mounting base 323, a limiting plate 325 and a bayonet 324, wherein when the mounting cover 321 is connected to the mounting base 323, an accommodating space is formed; when the limiting plate 325 is disposed on the mounting base 323, a plurality of mounting positions 322 for fixing the bus bar 310 are formed in the accommodating space; the bayonet 324 is connected to the mounting base 323 for securing the busbar 310 within the bottom well bag. Therefore, in the present application, the bus bar fixing bracket 320 can be directly installed in the battery pack 10 through the bayonet 324 structure, and there is no need to set corresponding fastening accessories in the battery pack 10 in advance, so that the assembly cost of the battery pack 10 is reduced, and the assembly efficiency of the battery pack 10 is improved.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made 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.

Claims (10)

1. A busbar fixing bracket, comprising:

installing a cover;

the mounting base is detachably connected with the mounting cover, and when the mounting cover is connected with the mounting base, an accommodating space is formed;

the limiting plate is arranged on the mounting base, and when the limiting plate is arranged on the mounting base, a plurality of mounting positions for fixing the bus bar are formed in the accommodating space;

and the at least one clamping thorn is connected with the mounting base and used for fixing the busbar fixing bracket in the battery pack.

2. The bus bar fixing bracket according to claim 1, wherein the bayonet comprises:

the mounting part is arranged on the mounting base;

and the fastening part is arranged on the side wall of the mounting part.

3. The bus bar fixing bracket according to claim 1, wherein the bayonet is integrally formed with the mounting base.

4. The bus bar fixing bracket according to claim 1, wherein the mounting cover and the mounting base are of a U-shaped configuration.

5. The busbar fixing bracket according to claim 4, wherein a plurality of slots are formed in the limiting plate, and the limiting plate is arranged on the side wall of the mounting base through the slots;

the limiting plate can move along the height direction of the mounting base.

6. The bus bar fixing bracket according to claim 4, wherein a first protector is provided on an inner bottom surface of the mounting cover, and a second protector is provided on an inner bottom surface of the mounting base.

7. The busbar fixing bracket according to claim 1, wherein the mounting base is provided with a plurality of first grooves, the mounting cover is provided with a plurality of second grooves, and the limiting plate is provided with a plurality of third grooves.

8. A battery pack, comprising:

at least one busbar fixation bracket according to any one of claims 1 to 7;

the plurality of busbars are fixed on the busbar fixing bracket;

a plurality of battery modules connected by the bus bar;

the bus bar fixing support, the bus bar and the battery module are arranged in the shell;

and the mounting beam is arranged on the shell, and the busbar fixing support is fixed on the mounting beam.

9. The battery pack of claim 8, wherein the mounting beam has mounting holes for engaging with the barbs.

10. An electrical device, comprising:

at least one battery pack according to any one of claims 8-9.

Images