CN218648058U

CN218648058U - Safe type ternary lithium cell group shocks resistance

Info

Publication number: CN218648058U
Application number: CN202222639358.1U
Authority: CN
Inventors: 李锐辉
Original assignee: Zhangzhou Huafu New Energy Technology Co ltd
Current assignee: Zhangzhou Huafu New Energy Technology Co ltd
Priority date: 2022-10-09
Filing date: 2022-10-09
Publication date: 2023-03-17
Anticipated expiration: 2032-10-09

Abstract

The utility model discloses a safe type ternary lithium cell group shocks resistance, including shell, lid and group battery main part, the group battery main part sets up in the inside of shell, provides outside protection for it through the shell, and the top of shell is fixed with the lid, the below of group battery main part is provided with the buffer board, and constitutes sliding construction from top to bottom between buffer board and the shell to the below of buffer board is provided with first gasbag. This safe type ternary lithium cell group shocks resistance is provided with the buffer board, first gasbag and second gasbag, can cushion the absorption with vibrations to the impact that the group battery main part bottom received through buffer board and first gasbag, and receive when strikeing or extrudeing on the shell side, pressure will be used on first gasbag or the second gasbag, make first gasbag or second gasbag take place deformation, gaseous shift between the second gasbag or between first gasbag and the second gasbag, realize the buffering of the impact force of boring, thereby better provide the protection for the group battery main part.

Description

Safe type ternary lithium cell group shocks resistance

Technical Field

The utility model relates to a ternary lithium cell group technical field specifically is a safe type ternary lithium cell group shocks resistance.

Background

Ternary lithium cell group is a group battery by ternary lithium cell constitution, and it is inside to constitute by group battery, casing and relevant mounting, also is a common lithium cell group, but current ternary lithium cell group still has some weak points when using:

if the application number is CN201821433929.3, and the application number is CN 2019, 6.2019, month 11, the three-element lithium battery pack is obtained by filling a glue layer in gaps among a shell, the battery pack, a fixing bracket and a protection chip, wherein the glue layer is set as a colloidal silica body so as to realize full glue injection of the three-element lithium battery pack, and thus the technical effects of water resistance, explosion resistance, flame retardance and impact resistance of the three-element lithium battery pack are realized; by adopting the structure, the battery pack can be prevented from colliding with other parts so as to avoid the damage of the battery pack, and water can be prevented from entering the battery pack, but the whole mass of the battery pack can be increased due to the fact that the inside of the battery pack is completely filled with the glue layer, the heat dissipation burden of the battery pack can be increased, and impact force can be transmitted to the battery through the glue body when one side of the follow-up shell is impacted, so that the damage of the battery is caused.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a safe type ternary lithium cell group shocks resistance to solve the problem that above-mentioned background art provided.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a safe type ternary lithium cell group shocks resistance, includes shell, lid and group battery main part, the group battery main part sets up in the inside of shell, provides outside protection through the shell for it, and the top of shell is fixed with the lid, the below of group battery main part is provided with the buffer board, and constitutes sliding structure from top to bottom between buffer board and the shell to the below of buffer board is provided with first gasbag, and the group battery main part puts back accessible buffer board and extrudees first gasbag, the inboard of shell is provided with four groups of second gasbags, and four groups of second gasbags are located four side surfaces of shell respectively, and the side of group battery main part laminates each other, first communicating pipe is installed to the below of second gasbag, and the inside air of second gasbag feeds through the setting each other through first communicating pipe and first gasbag, the outside of second gasbag is provided with second communicating pipe, feeds through the setting each other through second communicating pipe between the adjacent second gasbag.

Further optimize this technical scheme, the elastic contraction power of first gasbag is less than the elastic contraction power of second gasbag, and the gas in the second gasbag can shift to first gasbag automatically after the pressure that first gasbag received is relieved.

This technical scheme is further optimized, the inside of shell is provided with four groups of corner buffer blocks, fills the clearance of corner between group battery main part and the shell through the corner buffer block, and the section of overlooking of corner buffer block is "L" shape structural design, also can fix a position putting of group battery main part through the corner buffer block.

This technical scheme is further optimized, the lower extreme of corner buffer block is located the top of buffer board, and the corner buffer block is connected with the shell through detachable construction.

Further optimizing the technical scheme, the detachable mechanism comprises an installation block, a connection groove, a return spring, a traction rope, a movable plate and a control block;

the mounting blocks are arranged in pairs inside the corner buffer blocks, and the two groups of mounting blocks are arranged vertically to each other;

the connecting groove is formed in the shell, and a clamping structure is formed between the connecting groove and the mounting block;

the reset spring is arranged on the inner side of the mounting block and provides external thrust for the mounting block;

the traction rope is fixed at the inner end of the mounting block and controls the movement of the mounting block;

the movable plate is arranged inside the corner buffer block and between the corner buffer block and the corner buffer block to form an up-and-down sliding structure;

and the control block is fixed above the movable plate, and the upper end of the control block is exposed out of the upper surface of the corner buffer block.

Further optimize this technical scheme, the guiding groove has been seted up to the top of spread groove, and the top of guiding groove is opening column structure design, and constitutes sliding structure from top to bottom between guiding groove and the installation piece to the inner wall of guiding groove is slope column structure design.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) The impact-resistant safe ternary lithium battery pack is provided with the buffer plate, the first air bag and the second air bag, the impact and the vibration on the bottom of the battery pack main body can be buffered and absorbed through the buffer plate and the first air bag, and when the side edge of the shell is impacted or extruded, the pressure acts on the first air bag or the second air bag to deform the first air bag or the second air bag, and the gas is transferred between the second air bags or between the first air bag and the second air bag, so that the buffering of the creep impact force is realized, and the battery pack main body is better protected;

(2) This safe type ternary lithium cell group shocks resistance is provided with the corner buffer block, and accessible corner buffer block is connected between shell and the group battery main part, conveniently fixes a position the mounted position of group battery main part in the shell, can improve the intensity of shell avris simultaneously.

Drawings

FIG. 1 is a schematic view of the main sectional structure of the present invention;

FIG. 2 is a schematic top view of the present invention;

FIG. 3 is a schematic view of a top-down structure of the corner bumper of the present invention;

FIG. 4 is a schematic view of the connecting groove of the present invention;

fig. 5 is the utility model discloses the installation piece owner cuts open the structure schematic diagram.

In the figure: 1. a housing; 2. a cover body; 3. a battery pack main body; 4. a buffer plate; 5. a first air bag; 6. a second air bag; 7. a first communication pipe; 8. a second communicating pipe; 9. a corner buffer block; 10. mounting blocks; 11. connecting grooves; 12. a return spring; 13. a hauling rope; 14. a movable plate; 15. a control block; 16. a guide groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a shock-resistant safe ternary lithium battery pack comprises a shell 1, a cover body 2 and a battery pack main body 3, wherein the battery pack main body 3 is arranged inside the shell 1 and provides external protection for the battery pack main body through the shell 1, the cover body 2 is fixed above the shell 1, a buffer plate 4 is arranged below the battery pack main body 3, an up-and-down sliding structure is formed between the buffer plate 4 and the shell 1, a first air bag 5 is arranged below the buffer plate 4, the first air bag 5 can be extruded through the buffer plate 4 after the battery pack main body 3 is placed, four groups of second air bags 6 are arranged on the inner side of the shell 1, the four groups of second air bags 6 are respectively positioned on four side surfaces of the shell 1 and are mutually attached to the side edge of the battery pack main body 3, a first communicating pipe 7 is arranged below the second air bags 6, the internal air of the second air bags 6 is mutually communicated through the first communicating pipe 7 and the first air bag 5, a second communicating pipe 8 is arranged on the outer side of the second air bags 6, the adjacent second air bags 6 are mutually communicated through the second communicating pipe 8, the elastic contractive force of the first air bags 5 is smaller than the elastic contractive force of the second air bags 6, and the air bags 5 can move inwards;

after the battery pack body 3 is installed in the housing 1, the battery pack body 3 downwardly presses the buffer plate 4 to enable the buffer plate to extrude the first air bag 5, gas in the first air bag 5 is transferred into the second air bag 6 through the first communicating pipe 7 to enable the second air bag 6 to expand in volume, the side edge of the battery pack body 3 is protected, when the side edge of the housing 1 is impacted subsequently, impact force is applied to the second air bag 6 on the side, the second air bag 6 is compressed, when the second air bag 6 reaches the maximum deformation amount, gas in the second air bag 6 is transferred into other second air bags 6 through the second communicating pipe 8, impact force is buffered and absorbed, the bottom of the housing 1 is impacted, the same principle is achieved, gas in the first air bag 5 can be transferred into the second air bag 6, and the battery pack body 3 is protected.

Four groups of corner buffer blocks 9 are arranged in the shell 1, gaps at corners between the battery pack main body 3 and the shell 1 are filled through the corner buffer blocks 9, the overlooking cross sections of the corner buffer blocks 9 are designed to be L-shaped structures, the battery pack main body 3 can be placed and positioned through the corner buffer blocks 9, the lower ends of the corner buffer blocks 9 are located above the buffer plates 4, the corner buffer blocks 9 are connected with the shell 1 through a detachable mechanism, the detachable mechanism comprises mounting blocks 10, connecting grooves 11, reset springs 12, traction ropes 13, movable plates 14 and control blocks 15, the mounting blocks 10 are arranged in the corner buffer blocks 9 in pairs, two groups of mounting blocks 10 are arranged vertically, the connecting grooves 11 are arranged in the shell 1, a clamping structure is formed between the connecting grooves 11 and the mounting blocks 10, the reset springs 12 are arranged on the inner sides of the mounting blocks 10 to provide external thrust for the mounting blocks 10, the traction ropes 13 are fixed at the inner ends of the mounting blocks 10, the movable plates 14 are arranged in the shell 1, an upper-lower sliding structure is formed between the corner buffer blocks 9 and the corner buffer blocks 9, the control blocks 15 are fixed above the upper ends of the mounting blocks 16, and the upper ends of the guide grooves are designed to be inclined structures, and the guide grooves 16 are arranged above the guide blocks;

the corner buffer block 9 can be made of rubber or other buffer materials, the corner of the battery pack main body 3 is protected, the installation position of the battery pack main body 3 in the shell 1 can be located, the installation stability of the battery pack main body 3 in the shell 1 is improved, the corner buffer block 9 can be detached according to use requirements, the control block 15 can be pressed during detachment, the control block drives the movable plate 14 to move, the movable plate 14 pulls the installation block 10 to move through the traction rope 13, the clamping of the installation block 10 and the connecting groove 11 is removed, and the corner buffer block 9 can be taken down from the inner side of the shell 1.

Those not described in detail in this specification are well within the skill of the art.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The shock-resistant safe ternary lithium battery pack comprises a shell (1), a cover body (2) and a battery pack main body (3), wherein the battery pack main body (3) is arranged inside the shell (1), external protection is provided for the battery pack main body through the shell (1), and the cover body (2) is fixed above the shell (1);

the method is characterized in that: the utility model discloses a battery pack, including group battery main part (3), group battery main part and shell, the below of group battery main part (3) is provided with buffer board (4), and constitutes sliding construction from top to bottom between buffer board (4) and shell (1) to the below of buffer board (4) is provided with first gasbag (5), and group battery main part (3) are put back accessible buffer board (4) and are extruded first gasbag (5), the inboard of shell (1) is provided with four groups of second gasbag (6), and four groups of second gasbag (6) are located four side surfaces of shell (1) respectively, and the side of group battery main part (3) is laminated each other, first communicating pipe (7) are installed to the below of second gasbag (6), and the inside air of second gasbag (6) communicates the setting each other through first communicating pipe (7) and first gasbag (5), the outside of second gasbag (6) is provided with second communicating pipe (8), communicates the setting each other through second communicating pipe (8) between adjacent second gasbag (6).

2. The impact-resistant safety ternary lithium battery pack according to claim 1, wherein: the elastic contraction force of the first air bag (5) is smaller than that of the second air bag (6), and after the pressure on the first air bag (5) is relieved, the gas in the second air bag (6) can automatically transfer into the first air bag (5).

3. The impact-resistant safety ternary lithium battery pack according to claim 1, wherein: the inside of shell (1) is provided with four groups of corner buffer blocks (9), fills the clearance of corner between group battery main part (3) and shell (1) through corner buffer block (9), and overlooks the cross-section of corner buffer block (9) and is "L" shape structural design.

4. The impact-resistant safety ternary lithium battery pack according to claim 3, wherein: the lower end of the corner buffer block (9) is located above the buffer plate (4), and the corner buffer block (9) is connected with the shell (1) through a detachable mechanism.

5. The impact-resistant safety ternary lithium battery pack according to claim 4, wherein: the detachable mechanism comprises a mounting block (10), a connecting groove (11), a return spring (12), a traction rope (13), a movable plate (14) and a control block (15);

the mounting blocks (10) are arranged in pairs inside the corner buffer blocks (9), and the two groups of mounting blocks (10) are arranged vertically;

the connecting groove (11) is arranged inside the shell (1), and a clamping structure is formed between the connecting groove (11) and the mounting block (10);

the return spring (12) is arranged on the inner side of the mounting block (10) and provides external thrust for the mounting block (10);

the traction rope (13) is fixed at the inner end of the mounting block (10) to control the movement of the mounting block (10);

the movable plate (14) is arranged inside the corner buffer block (9) and between the corner buffer block (9) to form a vertical sliding structure;

and the control block (15) is fixed above the movable plate (14), and the upper end of the control block (15) leaks out of the upper surface of the corner buffer block (9).

6. The impact-resistant safety ternary lithium battery pack according to claim 5, wherein: a guide groove (16) is formed above the connecting groove (11), the upper portion of the guide groove (16) is in an open structural design, an up-and-down sliding structure is formed between the guide groove (16) and the mounting block (10), and the inner wall of the guide groove (16) is in an inclined structural design.