CN218215522U

CN218215522U - 12V lithium ion auxiliary battery shell structure

Info

Publication number: CN218215522U
Application number: CN202222022313.XU
Authority: CN
Inventors: 孙冰洁; 刘长来; 夏诗忠; 孙光忠; 李祥俊
Original assignee: Camel Group New Energy Battery Co Ltd
Current assignee: Camel Group New Energy Battery Co Ltd
Priority date: 2022-08-02
Filing date: 2022-08-02
Publication date: 2023-01-03
Anticipated expiration: 2032-08-02

Abstract

The utility model relates to a lithium cell technical field discloses a 12V lithium ion auxiliary battery shell structure, which comprises a housin, the casing is the open square tubular structure of front end, the casing is enclosed by four lateral walls and splice tray, the casing includes top surface, both sides face and bottom surface down, it is provided with strengthening rib group with the equal axial of both sides face to go up the top surface, strengthening rib group includes first strengthening rib and second strengthening rib, the second strengthening rib is close to bottom surface one side down on the casing side. This casing surface is the strengthening rib group that rectangular shape runs through, when guaranteeing casing intensity, still has good radiating effect and provides the direction for the installation of the hand spare upper cover.

Description

12V lithium ion auxiliary battery shell structure

Technical Field

The utility model relates to a lithium cell technical field, in particular to 12V lithium ion auxiliary battery shell structure.

Background

The 12V auxiliary lithium battery mainly has the following functions: 1. the electric vehicle power supply system is used for supplying electric energy to a high-voltage system of an electric vehicle, and supplying electric power to 12V electrical equipment before the high-voltage system is powered on; 2. when the vehicle is flamed out and parked, the power supply module supplies power to the normal power module; 3. auxiliary discharge when the DC-DC output is insufficient; 4. when the vehicle is parked, the electric energy is provided for the vehicle cloud system and the monitoring system.

Compared with a lithium battery, the lead-acid battery is not easy to generate fire and explosion after being extruded, and the shell is mostly made of plastic materials. If the lithium battery shell intensity is not enough to receive the internal electric connection short circuit after the extrusion and easily leads to the fire, consequently intensity requirement is higher for the lithium cell.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a 12V lithium ion auxiliary battery shell structure when guaranteeing shell strength, still has good radiating effect and for providing the direction to the upper cover installation.

The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a 12V lithium ion auxiliary battery shell structure, includes the casing, the casing is the open square tube structure in front end, the casing is enclosed by four lateral walls and welding bottom plate, the casing includes top surface, both sides face and bottom surface down, it is provided with strengthening rib group with the equal axial run-through of both sides face to go up the top surface, strengthening rib group includes first strengthening rib and second strengthening rib, the second strengthening rib is close to bottom surface one side down on the casing side.

Through adopting above-mentioned technical scheme, this casing surface is rectangular shape strengthening rib group that runs through, when guaranteeing casing intensity, still has good radiating effect and provides the direction for the upper cover installation.

The utility model discloses a further set up to: the cross section of the first reinforcing rib is isosceles trapezoid.

By adopting the technical scheme, the cross section of the isosceles trapezoid can increase the stress area.

The utility model discloses a further set up to: the cross section of the second reinforcing rib is a right trapezoid.

The utility model discloses a further set up to: the bevel edge of the second reinforcing rib is close to one side of the lower bottom surface of the shell.

Through adopting above-mentioned technical scheme, set up the second strengthening rib into the rectangular shape that the cross section is right trapezoid to the hypotenuse has been towards the bottom surface, this is because if the casing is receiving when the extrusion, the inclined plane of second strengthening rib can play bigger supporting role.

The utility model discloses a further set up to: the shell lower base plate is provided with a fixed mounting block, and the fixed mounting block extends towards the outside of the shell.

Through adopting above-mentioned technical scheme, can easy to assemble to the installation requirement of most domestic host computer factories of adaptation.

The utility model discloses a further set up to: the fixed mounting blocks are arranged into four or more than four.

The utility model has the advantages that: this casing surface is rectangular shape strengthening rib group that runs through, when guaranteeing casing intensity, still has good radiating effect and provides the direction for the upper cover installation.

Drawings

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

Fig. 1 is a schematic structural diagram of the present invention.

In the figure, 1, a housing; 11. an upper top surface; 12. a side surface; 2. a first reinforcing rib; 3. a second reinforcing rib; 4. and fixing the mounting block.

Detailed Description

The technical solution of the present invention will be clearly and completely described below with reference to the specific embodiments. It is obvious that the described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.

The embodiment provides a 12V lithium ion auxiliary battery casing 1 structure, including casing 1, casing 1 is the open square tubular structure in front end, casing 1 is enclosed by four lateral walls and welded bottom plate, casing 1 includes top surface 11, both sides face 12 and lower bottom surface, top surface 11 and the equal axial of both sides face 12 run through and are provided with the strengthening rib group, the strengthening rib group includes first strengthening rib 2 and second strengthening rib 3, second strengthening rib 3 is close to bottom surface one side down on the 1 side 12 of casing.

Through adopting above-mentioned technical scheme, this casing 1 surface is rectangular shape strengthening rib group that runs through, when guaranteeing 1 intensity of casing, still has good radiating effect and provides the direction for the upper cover installation.

The utility model discloses a further set up to: the cross section of the first reinforcing rib 2 is isosceles trapezoid.

Through adopting above-mentioned technical scheme, set up to isosceles trapezoid's cross section and can increase the lifting surface area.

The utility model discloses a further set up to: the cross section of the second reinforcing rib 3 is a right trapezoid.

The utility model discloses a further set up to: the bevel edge of the second reinforcing rib 3 is close to one side of the lower bottom surface of the shell 1.

Through adopting above-mentioned technical scheme, set up second strengthening rib 3 into the rectangular shape that the cross section is right trapezoid to the hypotenuse has been towards the bottom surface, this is because if casing 1 is receiving when the extrusion, the inclined plane of second strengthening rib 3 can play bigger supporting role.

The utility model discloses a further set up to: the bottom plate of the shell 1 is provided with a fixed mounting block 4, and the fixed mounting block 4 extends towards the outside of the shell 1.

The utility model discloses a further set up to: the fixed mounting blocks 4 are arranged into four or more than four.

The 12V lithium ion auxiliary battery system is fixed with the whole vehicle in a lower fixing mode and is communicated with the whole vehicle through LIN.

In fig. 1, after the upper cover is closed on the shell 1, the upper cover is connected with the shell through 4M 4 screws arranged at four corners, and the auxiliary battery can be detached through a standard tool and is low in after-sale maintenance cost. The shell 1 is made of AL 6063-T5 aluminum section.

Casing 1 is by being the open square tubular structure in front end, casing 1 is enclosed by four lateral walls and welding bottom plate, casing 1 includes top surface 11, both sides face 12 reaches bottom surface down, pile up by 8 square soft-packaged electrical core parallels and form electric core module, electric core module is installed in casing 1, bond through two ingredient heat conduction glue or buffering bubble cotton between the adjacent soft-packaged electrical core, it fuses to ensure electric core after in groups, the vibration resistance is strong, buffer material and heat conduction glue are insulating heat conduction material, electric core module rethread heat conduction glue bonds with casing 1 and forms wholly, can lead out the heat of electric core module through metal casing 1. The lower ends of two side surfaces 12 of the shell 1 are provided with lower fixed mounting feet to be fixed with the whole vehicle.

The rib sets on the top and side surfaces 12 of the housing 1 are used to dissipate heat from the battery and to reinforce the strength of the housing 1.

First strengthening rib 2 sets up to isosceles trapezoid's cross section can increase the stress area, sets up second strengthening rib 3 into the cross section for right trapezoid's rectangular shape to the hypotenuse has been towards the bottom surface, and this is because if casing 1 is receiving the extrusion time, the inclined plane of second strengthening rib 3 can play bigger supporting role. This 1 surface of casing is rectangular shape strengthening rib group that runs through, when guaranteeing 1 intensity of casing, still has good radiating effect and provides the direction for the upper cover installation.

Claims

1. A12V lithium ion auxiliary battery shell structure is characterized in that: including casing (1), casing (1) is the open square tube structure in front end, casing (1) is enclosed by four lateral walls and splice tray and becomes, casing (1) includes top surface (11), both sides face (12) and lower bottom surface, it is provided with strengthening rib group to go up top surface (11) and the equal axial run-through of both sides face (12), strengthening rib group includes first strengthening rib (2) and second strengthening rib (3), second strengthening rib (3) are close to bottom surface one side down on casing (1) side (12).

2. A 12V lithium ion secondary battery casing structure according to claim 1, wherein: the cross section of the first reinforcing rib (2) is isosceles trapezoid.

3. The 12V lithium ion secondary battery casing structure of claim 1, wherein: the cross section of the second reinforcing rib (3) is a right trapezoid.

4. A 12V lithium ion secondary battery casing structure according to claim 3, wherein: the bevel edge of the second reinforcing rib (3) is close to one side of the lower bottom surface of the shell (1).

5. A 12V lithium ion secondary battery casing structure according to claim 1, wherein: the lower bottom plate of the shell (1) is provided with a fixed mounting block (4), and the fixed mounting block (4) extends towards the outside of the shell (1).

6. A 12V lithium ion secondary battery casing structure according to claim 5, wherein: the number of the fixed mounting blocks (4) is four or more.