CN216958352U

CN216958352U - Battery box, battery module and vehicle

Info

Publication number: CN216958352U
Application number: CN202220657319.1U
Authority: CN
Inventors: 周必达; 潘福中; 严胜利; 陈凯; 牛亚琪
Original assignee: Zhejiang Geely Holding Group Co Ltd; Weirui Electric Automobile Technology Ningbo Co Ltd; Zhejiang Zeekr Intelligent Technology Co Ltd
Current assignee: Zhejiang Geely Holding Group Co Ltd; Weirui Electric Automobile Technology Ningbo Co Ltd; Zhejiang Zeekr Intelligent Technology Co Ltd
Priority date: 2022-03-24
Filing date: 2022-03-24
Publication date: 2022-07-12
Anticipated expiration: 2032-03-24

Abstract

The utility model discloses a battery box, a battery module and a vehicle, wherein the battery box comprises a box body, a partition beam, a first cover body and a second cover body, the partition beam is arranged in the box body to divide a maintenance cavity and an installation cavity in the box body, the installation cavity is used for accommodating and installing a power battery, the first cover body is detachably covered on the maintenance cavity, and the second cover body is covered on the installation cavity. The technical scheme of the utility model aims to improve the maintenance convenience of the battery module.

Description

Battery box, battery module and vehicle

Technical Field

The utility model relates to the field of vehicle accessories, in particular to a battery box, a battery module and a vehicle.

Background

Along with the improvement of people's environmental protection consciousness, new energy automobile is more and more paid attention to, wherein, in pure electric vehicles and hybrid electric vehicle, owing to adopted the electrically driven form, inside need be equipped with the battery module, and the battery module includes the battery box and installs the power battery in the battery box. In the prior art, in order to ensure the safety performance of the battery, the upper cover of the battery box is hermetically connected with the box body, so that the upper cover needs to be detached when the battery module is maintained, and the upper cover needs to be hermetically assembled on the box body again after the maintenance is finished, so that the operation is very complicated, the time consumption is long, and great inconvenience is brought to the maintenance.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide a battery box, aiming at improving the maintenance convenience of a battery module.

In order to achieve the above object, the present invention provides a battery box, including:

a box body;

the partition beam is arranged in the box body so as to divide a maintenance cavity and an installation cavity in the box body, and the installation cavity is used for accommodating and installing a power battery;

the first cover body is detachably covered on the maintenance cavity; and

and the second cover body covers the mounting cavity.

Optionally, the first cover body is hermetically covered on the maintenance cavity, and the second cover body is hermetically covered on the installation cavity.

Optionally, the first cover is detachably connected to the box body and the partition beam through a snap, a plug, or a fastener.

Optionally, a sealing gasket is arranged between the first cover and the box body and between the first cover and the partition beam.

Optionally, a first skirt is disposed on a periphery of the first cover, and the first cover is coupled to the gasket via the first skirt.

Optionally, the second cover is fixedly connected to the box body and the partition beam by gluing.

Optionally, the second cover and the box body are further fixedly connected through a blind rivet or FDS process.

Optionally, the second cover body and the spacer beam are further fixedly connected through a blind rivet or FDS process.

Optionally, a second skirt is disposed on a periphery of the second cover, and the box body or the partition beam is fixedly connected to the second skirt.

The utility model further provides a battery module which comprises a power battery and the battery box, wherein the power battery is accommodated and installed in the battery box.

The utility model further provides a vehicle which comprises the battery module.

In the technical scheme of the utility model, the power battery is arranged in the installation cavity, so that the installation cavity is internally provided with a structure (comprising an electric device) extending towards the maintenance cavity and used for being connected with a corresponding structure in the maintenance cavity, thereby being communicated with the outside through the components in the maintenance cavity. From this, the maintenance chamber holds the structure that most are used for maintaining battery module normal work, when battery module breaks down, pulls down first lid, examines the structure of maintenance intracavity, can satisfy the maintenance demand basically. The first cover body is small in size, convenient to disassemble and favorable for improving the maintenance convenience of the battery module.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

FIG. 1 is a schematic external view of a battery case according to an embodiment of the present invention;

FIG. 2 is a schematic diagram of the internal structure of a battery box according to an embodiment of the present invention;

FIG. 3 is an enlarged view of a portion of the structure of the divider beam of the present invention at the relief notch;

FIG. 4 is a schematic view of the first and second connectors of the present invention engaged at the location of the relief notch;

fig. 5 is a partial sectional view of one embodiment of a battery case according to the present invention;

fig. 6 is a sectional view showing another partial structure of the battery case according to the embodiment of the present invention.

The reference numbers illustrate:

reference numerals	Name (R)	Reference numerals	Name (R)
				100	Box body	500	First connecting piece
110	Maintenance cavity	600	Second connecting piece
				120	Mounting cavity	700	Stiffening beam
200	Partition beam	710	First connecting part
				210	Avoiding gap	720	Second connecting part
300	First cover body	810	First mounting hole
				310	First skirt edge	820	Second mounting hole
400	Second cover body	900	Sealing gasket
				410	Second skirt edge

The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.

Detailed Description

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 only a part of the embodiments of the present invention, and not all of the embodiments. 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, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative positional relationship between the components, the movement situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indications are changed accordingly.

In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In addition, if appearing throughout the text, "and/or" is meant to include three juxtaposed aspects, taking "A and/or B" as an example, including either the A aspect, or the B aspect, or both A and B satisfied aspects. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

The utility model provides a battery box.

In an embodiment of the present invention, as shown in fig. 1 and 2, the battery box includes a box body 100, a partition beam 200, a first cover 300, and a second cover 400, wherein the partition beam 200 is disposed in the box body 100 to partition a maintenance cavity 110 and an installation cavity 120 in the box body 100, the installation cavity 120 is used for accommodating and installing a power battery, the first cover 300 is detachably covered on the maintenance cavity 110, and the second cover 400 is covered on the installation cavity 120.

It will be appreciated that the power cell is mounted within the mounting chamber 120 such that the mounting chamber 120 will have structure (including electrical components) extending toward the service chamber 110 for connection with corresponding structure within the service chamber 110 to communicate with the outside via components within the service chamber 110. Wherein, the structure that stretches out in installation cavity 120 both includes the structure of power battery itself, like copper bar, binding post etc. includes the structure that the chamber wall of installation cavity 120 set up again, like coolant liquid inlet and the coolant liquid export that is used for cooling power battery's liquid cold drawing. Therefore, the maintenance cavity 110 contains most of the structures for maintaining the normal operation of the battery module, when the battery module fails, the first cover body 300 is detached, the structures in the maintenance cavity 110 are checked, and the maintenance requirements can be basically met. The first cover 300 has a small size, is very convenient to disassemble, and is beneficial to improving the maintenance convenience of the battery module.

Further, in this embodiment, the first cover 300 is sealed to cover the maintenance cavity 110, and the second cover 400 is sealed to cover the installation cavity 120, so that water or dust can be prevented from entering the battery box, and the safety performance of the battery module can be ensured.

Further, in this embodiment, as shown in fig. 2 to 4, the partition beam 200 is provided with an avoidance notch 210, a first connecting member 500 and a second connecting member 600 are further disposed in the battery box, the first connecting member 500 is protruded from the maintenance cavity 110 to the avoidance notch 210, the second connecting member 600 is connected to the power battery, and is protruded from the installation cavity 120 to the avoidance notch 210, so as to be fixedly connected with the first connecting member 500. Wherein, first connecting piece 500 can be the coolant liquid input manifold or the coolant liquid output manifold of battery module, and second connecting piece 600 corresponds and sets up the inlet or the liquid outlet that is located the liquid cooling board of power battery bottom, and first connecting piece 500 also can be and is used for the outside wire or the copper bar of electricity connection, and second connecting piece 600 corresponds and sets up the wire or the copper bar that set up to the electricity connection in power battery. Therefore, the first connecting piece 500 and the second connecting piece 600 are connected with each other at the avoiding notch 210 of the partition beam 200, and the first connecting piece 500 and the second connecting piece 600 can be welded or screwed conveniently and quickly due to the avoiding of the avoiding notch 210, so that the first connecting piece 500 and the second connecting piece 600 are fixed mutually. In addition, after the power battery is mounted in the mounting cavity 120, the second connecting member 600 does not interfere with the partition beam 200, which is beneficial to improving the mounting convenience of the power battery. Therefore, the production and assembly efficiency of the battery module can be improved. It should be noted that the specific embodiments of the first connector 500 and the second connector 600 are not limited to the above examples, and other electrical connectors or structural connectors for connecting the power battery and the external are also applicable.

Further, in the present embodiment, as shown in fig. 2 to 4, the battery box is further provided with a reinforcement beam 700, the reinforcement beam 700 is overlapped with the avoidance gap 210 in the maintenance cavity 110, and the first connecting member 500 is protruded from the lower side of the reinforcement beam 700 to the avoidance gap 210. It can be understood that the reinforcing beam 700 is arranged at the side edge of the avoiding notch 210, and the operation of fixedly connecting the first connecting piece 500 and the second connecting piece 600 is performed above the avoiding notch 210, so that the reinforcing beam 700 does not interfere with the operation of fixedly connecting the first connecting piece 500 and the second connecting piece 600 while improving the structural strength of the avoiding notch 210, and the production and assembly efficiency of the battery module can be guaranteed.

Further, in the present embodiment, the adjacent sides of the first cover 300 and the second cover 400 are fixedly connected to the partition beam 200 and the reinforcement beam 700. Specifically, one side of the first cover 300 is fixedly connected to the beam structure formed by the barrier beam 200 and the reinforcement beam 700, and the other sides are fixedly connected to the sides of the box 100, as is the case with the second cover 400, so as to enhance the installation stability of the first cover 300 and the second cover 400. Of course, in other embodiments, the first cover 300 and the second cover 400 may be fixedly connected to only the side wall of the box 100.

Further, in this embodiment, the first cover 300 is detachably connected to the box 100 and the partition beam 200 by a snap, an insertion, or a fastener. Specifically, as shown in fig. 5, a first skirt 310 is provided at a periphery of the first cover 300, and the first skirt 310 is fixedly connected to a side wall and a beam structure of the container body 100 by a fastener. And the first skirt 310 and the sidewall or beam structure bracket of the container body 100 are further provided with a gasket 900 so that the first cover 300 is hermetically and detachably covered on the service cavity 110.

Further, in this embodiment, the second cover 400 is fixedly connected to the box 100, the partition beam 200, and the reinforcing beam 700 by gluing, so as to achieve the sealing and covering of the second cover 400, and further, the second cover 400 is fixedly connected to the box 100 or the beam structure by blind rivet or FDS process, so as to further improve the installation stability of the second cover 400. Specifically, as shown in fig. 6, a second skirt 410 is disposed at a periphery of the second cover 400, and the second skirt 410 is fixedly connected to the box 100 and the beam structure by a combination of gluing and blind rivet or a combination of gluing and FDS, so that the second cover 400 is hermetically covered on the mounting cavity 120. The area of the second cover 400 is larger, and unlike the first cover 300, which needs to be frequently disassembled and assembled during maintenance, the second cover 400 can be more stably sealed and covered by the above method.

Further, in the present embodiment, as shown in fig. 3, the reinforcing beam 700 includes a first connecting portion 710 and a second connecting portion 720 connected in an L shape, the first connecting portion 710 is fixedly connected to the partition beam 200, and the cover is fixedly connected to the second connecting portion 720. In this way, the first connecting portion 710 can have a sufficient width to provide a sufficient mounting area for mounting the side portion of the first skirt 310 and the side portion of the second skirt 410, and the second connecting portion 720 can have a sufficient height to provide a sufficient connecting area for fixedly connecting the reinforcing beam 700 and the partition beam 200, and the L-shaped reinforcing beam 700 has a small volume and does not occupy too much space in the maintenance cavity 110, and the layout and mounting of the structures in the maintenance cavity 110 are not affected.

Further, in this embodiment, as shown in fig. 3, the partition beam 200 and the reinforcement beam 700 are respectively provided with a first mounting hole 810 and a second mounting hole 820, the first mounting hole 810 is disposed near the maintenance cavity 110 for the first cover 300 to be connected by a fastener, and the second mounting hole 820 is disposed near the mounting cavity 120 for the second cover 400 to be connected by a fastener. That is, two rows of mounting holes are respectively formed in the partition beam 200 and the reinforcement beam 700 to fixedly connect adjacent side portions of the first skirt 310 and the second skirt 410, so that the first cover 300 and the second cover 400 are respectively and independently fixedly connected to the beam structure through different fasteners, and do not interfere with each other during installation or disassembly, so as to separately install or replace the first cover 300 or the second cover 400. Of course, in other embodiments, only one row of mounting holes may be formed in the partition beam 200 and the reinforcement beam 700, and the first skirt 310 and the second skirt 410 may be stacked, wherein the first skirt 310 is stacked above the second skirt 410, which does not affect the convenience of mounting and dismounting the first cover 300, so as to ensure the convenience of maintaining the battery module.

Further, in the present embodiment, as shown in fig. 3, the width of the first connection portion 710 is gradually decreased in a direction from the partition beam 200 to the service chamber 110. In this way, while the first connecting portion 710 has a sufficient mounting area for mounting the first skirt 310 and the second skirt 410, the space occupied by the reinforcement beam 700 can be further reduced.

Further, in the present embodiment, the upper surface of the partition beam 200 and the upper surface of the reinforcement beam 700 are at the same level. Therefore, the first skirt edge 310 and the second skirt edge 410 can be conveniently connected to ensure the sealing and covering of the first cover body 300 and the second cover body 400, thereby ensuring the safety performance of the battery module. Of course, in other embodiments, the upper surface of the partition beam 200 and the upper surface of the reinforcing beam 700 do not need to be located at the same horizontal plane, and the side portions of the first skirt 310 and the second skirt 410 are provided with protruding portions or recessed portions at corresponding positions of the reinforcing beam 700, which can also meet the requirement of the first cover 300 and the second cover 400 for sealing and covering.

The present invention further provides a battery module, which includes a power battery and a battery box, wherein the power battery is installed in the battery box, and the specific structure of the battery box refers to the above embodiments.

The utility model further provides a vehicle, which comprises the battery module, so that all technical schemes of all the embodiments are adopted, and at least all beneficial effects brought by the technical schemes of the embodiments are achieved, and detailed description is omitted.

The above description is only an alternative embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. A battery box, comprising:

a box body;

the first cover body is detachably covered on the maintenance cavity; and

and the second cover body covers the mounting cavity.

2. The battery box of claim 1, wherein the first cover is sealed to the repair cavity and the second cover is sealed to the mounting cavity.

3. The battery box of claim 2, wherein the first cover is removably attached to the box body and the spacer bars by a snap, socket, or fastener.

4. The battery box according to claim 2, wherein a gasket is provided between the first cover and the box body and between the first cover and the partition beam.

5. The battery case according to claim 4, wherein the first lid body is provided at the peripheral edge thereof with a first skirt, and the first lid body is fitted to the gasket via the first skirt.

6. The battery box according to any one of claims 2 to 5, wherein the second cover is fixedly attached to the box body and the partition beam by means of gluing.

7. The battery box of claim 6, wherein the second cover and the box body are further fixedly connected by blind rivets or an FDS process;

and/or the second cover body and the spacer beam are fixedly connected through a blind rivet or FDS process.

8. The battery box of claim 7, wherein the second cover is provided with a second skirt at the periphery thereof, and the box body or the partition beam is fixedly connected to the second skirt.

9. A battery module comprising a power battery and the battery box of any one of claims 1 to 8, wherein the power battery is accommodated and mounted in the battery box.

10. A vehicle characterized by comprising the battery module according to claim 9.