CN212676392U

CN212676392U - New energy lithium battery explosion-proof device flexible to use

Info

Publication number: CN212676392U
Application number: CN202021551962.3U
Authority: CN
Inventors: 陈海洋
Original assignee: Hangzhou Haichuang Battery Technology Co ltd
Current assignee: Hangzhou Haichuang Battery Technology Co ltd
Priority date: 2020-07-31
Filing date: 2020-07-31
Publication date: 2021-03-09
Anticipated expiration: 2030-07-31

Abstract

The utility model relates to a new forms of energy lithium cell technical field just discloses a use nimble new forms of energy lithium cell explosion-proof equipment, including the protecting against shock case, the surface of protecting against shock case is provided with multiunit fastening frame. According to the flexibly-used new energy lithium battery explosion-proof device, the lithium battery is isolated and protected through the battery box, so that the possibility of oxygen entering the lithium battery is reduced, the possibility of explosion is reduced, and the explosion-proof effect of the device is improved; then the guide effect through directional hole guides the impact of lithium battery explosion, and explosion-proof sand blocks partly explosion power, has improved the explosion-proof effect of device, utilizes the removal of buffer board on the one hand, cushions and reduces buffer board internal pressure to the explosion, reduces explosion power, improves the explosion-proof effect of device, and on the other hand blocks the power of lithium battery explosion through the cooperation of protecting against shock case, fastening frame and tight angle, has improved the explosion-proof effect of device.

Description

New energy lithium battery explosion-proof device flexible to use

Technical Field

The utility model relates to a new forms of energy lithium cell technical field specifically is a use nimble new forms of energy lithium cell explosion-proof equipment.

Background

Because the battery is sealed in the closed container, the battery can generate air blowing and even explosion phenomena under the condition of incorrect use, particularly for high-capacity or high-power lithium batteries, the lithium battery explosion-proof device used at present mostly adopts a mode of additionally arranging a protective layer around the lithium battery to perform explosion-proof on the lithium battery, and the explosion is not buffered.

For example, chinese patent publication No. CN204885229U discloses an explosion-proof device for lithium batteries, which is basically described as follows: an explosion-proof device of a lithium battery comprises a shell and a bottom cover, wherein the shell is fixedly connected with the bottom cover, a plurality of inwards-concave annular grooves are formed on the outer side surface of the bottom cover, a plurality of explosion-proof areas are formed in the annular grooves, a plurality of explosion-proof ports are formed in the explosion-proof areas, the stress of the explosion-proof areas is increased when the internal pressure of the battery is increased, the explosion-proof areas deform outwards by taking the explosion-proof ports as centers, when the pressure reaches a set explosion pressure value, the deformation of the explosion-proof areas reaches the limit, the stress of the explosion-proof ports is maximum, the explosion-proof ports are torn outwards at the weak positions, and the pressure is released from; this lithium battery explosion-proof equipment adopts the sheet rubber to cushion the explosion, has reduced the power of explosion, but the buffering effect outside explosion-proof mouthful is relatively poor, has influenced the explosion-proof effects of device.

Therefore, the inventor provides a new energy lithium battery explosion-proof device which is flexible to use, and researches and improves the existing structure and deficiency with the experience of abundant design development and actual manufacturing of the related industry for years.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a to prior art not enough, the utility model provides an use nimble new forms of energy lithium cell explosion-proof equipment has solved the problem that proposes in the above-mentioned background art.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an use nimble new forms of energy lithium cell explosion-proof equipment, includes the protecting against shock case, the surface of protecting against shock case is provided with multiunit fastening frame, the upper surface of protecting against shock case and the four corners of lower surface all are provided with fastening angle, the lower surface of protecting against shock case is provided with four fixed feet of group's support, protecting against shock incasement wall fixedly connected with multiunit telescopic link, buffer spring has been cup jointed to the telescopic link surface, the inboard fixed connection buffer board of buffer spring, protecting against shock incasement portion is provided with the battery box, battery box surface fixed connection has the guide layer, the directional hole has been seted up to the guide layer surface, guide layer surface fixed connection has the multiunit division board, the buffer board inboard is provided with the parcel layer, parcel in situ portion is provided with explosion.

Preferably, the lower surface of the supporting and fixing foot is fixedly connected with an anti-slip mat, the anti-slip mat is made of polyisoprene, and anti-slip lines are arranged on the lower surface of the anti-slip mat.

Preferably, the fastening frame shape is L shape, and the medial surface of fastening frame and the surface fixed connection of protecting against shock case, fastening frame and fastening angle fixed connection.

Preferably, the buffer spring material is 55Si2Mn spring steel, and buffer spring's diameter is 3 millimeters, and buffer spring's inside and outside both ends respectively with the inner wall of protecting against shock case and the lateral surface fixed connection of buffer plate.

Preferably, the outer side surface of the wrapping layer is fixedly connected with the inner side surface of the partition plate, the inner side surface of the wrapping layer is fixedly connected with the outer surface of the guide layer, and the circle center of the directional hole and the center of the inner side surface of the wrapping layer are on the same straight line.

(III) advantageous effects

Compared with the prior art, the utility model provides an use nimble new forms of energy lithium cell explosion-proof equipment possesses following beneficial effect:

according to the flexibly-used new energy lithium battery explosion-proof device, the lithium battery is isolated and protected through the battery box, so that the possibility of oxygen entering the lithium battery is reduced, the possibility of explosion is reduced, and the explosion-proof effect of the device is improved; then the guide effect through directional hole guides the impact of lithium battery explosion, and explosion-proof sand blocks partly explosion power, has improved the explosion-proof effect of device, utilizes the removal of buffer board on the one hand, cushions and reduces buffer board internal pressure to the explosion, reduces explosion power, improves the explosion-proof effect of device, and on the other hand blocks the power of lithium battery explosion through the cooperation of protecting against shock case, fastening frame and tight angle, has improved the explosion-proof effect of device.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is the structure vertical cut-open schematic diagram of the utility model.

In the figure: 1. an anti-shock box; 2. a fastening frame; 3. fastening angles; 4. supporting the fixed leg; 5. a telescopic rod; 6. a buffer spring; 7. a buffer plate; 8. a battery box; 9. a guide layer; 10. a directional hole; 11. a partition plate; 12. a wrapping layer; 13. and (4) explosion-proof sand.

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. 1-2, the present invention provides a technical solution: a flexibly used new energy lithium battery explosion-proof device comprises an impact-proof box 1, a plurality of groups of fastening frames 2 are arranged on the outer surface of the impact-proof box 1, fastening angles 3 are arranged at four corners of the upper surface and the lower surface of the impact-proof box 1, the fastening frames 2 and the fastening angles 3 are matched to block the explosion force of a lithium battery, the explosion-proof effect of the device is improved, four groups of supporting and fixing feet 4 are arranged on the lower surface of the impact-proof box 1, a plurality of groups of telescopic rods 5 are fixedly connected to the inner wall of the impact-proof box 1, a buffer spring 6 is sleeved on the outer surface of each telescopic rod 5, a buffer plate 7 is fixedly connected to the inner side of each buffer spring 6, the buffer plate 7 moves to buffer explosion and reduce the internal pressure of the buffer plate 7, the explosion force is reduced, the explosion-proof effect of the device is improved, a battery box 8, reduce the possibility that oxygen got into the lithium cell, reduce the possibility of explosion, the explosion-proof effect of device has been improved, 8 outer fixed surface of battery box are connected with guide layer 9, directional hole 10 has been seted up to guide layer 9 surface, the guide effect of directional hole 10, the impact to the lithium cell explosion guides, explosion-proof sand 13 blocks some blast power, the explosion-proof effect of device has been improved, guide layer 9 outer fixed surface is connected with

multicomponent baffle

11, 7 inboard of buffer board is provided with parcel layer 12, parcel layer 12 inside is provided with explosion-proof sand 13.

The utility model discloses in, in order to improve the stability of device, consequently set up and support fixed foot 4 lower fixed surface and be connected with the slipmat, the slipmat material is polyisoprene, and the slipmat lower surface is provided with anti-skidding line, and anti-skidding line has reduced the gliding possibility of device, has improved the stability of device.

The utility model discloses in, for the stability that improves the device, consequently set up 2 shapes of fastening frame and be L shape, the medial surface of fastening frame 2 is connected with the fixed surface of protecting against shock case 1, fastening

frame

2 and 3 fixed connection in fastening angle, the cooperation of fastening frame 2 and fastening angle 3 improves the stability of protecting against shock case 1, and then has improved the stability of device.

The utility model discloses in, for the stability that improves the device, consequently set up buffer spring 6 material and be 55Si2Mn spring steel, buffer spring 6's diameter is 3 millimeters, buffer spring 6's inside and outside both ends respectively with the inner wall of protecting against shock case 1 and the lateral surface fixed connection of buffer plate 7, buffer spring 6 carries on spacingly to protecting against shock case 1 and buffer plate 7, has improved the stability of device.

The utility model discloses in, in order to guarantee the stability of parcel layer 12, consequently set up the lateral surface and the 11 medial surface fixed connection of division board of parcel layer 12, parcel layer 12 medial surface and guide layer 9's fixed surface are connected, the centre of a circle of directional hole 10 and the center of parcel layer 12 medial surface are on same straight line, guide layer 9 and directional hole 10's the effectual stability of guaranteeing parcel layer 12 of cooperation, division board 11 carries on spacingly to parcel layer 12, has improved parcel layer 12's stability.

The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.

When using, put into battery box 8 with the new forms of energy lithium cell, fix a position the device through supporting fixed foot 4, battery box 8 is in encapsulated situation, it is isolated to the lithium cell, oxygen has been reduced and the lithium cell carries out the possibility of contact, after the lithium cell produces the explosion, explosion makes battery box 8 produce the inflation, battery box 8 drives the inflation of guiding layer 9, make directional hole 10 inflation, make 12 medial surfaces of parcel layer break, the explosion air current makes explosion-proof sand high migration and mutual impact through directional hole 10, offset the impact that the explosion produced, parcel layer 12 drives buffer board 7 and removes, further reduce the power of explosion, protecting against shock case 1, fastening frame 2 and fastening angle 3's cooperation, power to the explosion blocks, further hoisting device's explosion-proof effect.

In conclusion, the flexibly-used new energy lithium battery explosion-proof device has the advantages that the lithium battery is isolated and protected through the battery box 8, so that the possibility of oxygen entering the lithium battery is reduced, the possibility of explosion is reduced, and the explosion-proof effect of the device is improved; then the guide effect through directional hole 10, lead the impact of lithium cell explosion, explosion-proof sand 13 blocks some explosion power, the explosion-proof effect of device has been improved, utilize the removal of buffer board 7 on the one hand, cushion and reduce buffer board 7 internal pressure to the explosion, reduce explosion power, the explosion-proof effect of improvement device, on the other hand passes through protecting against shock case 1, fastening frame 2 and fastening angle 3's cooperation, block lithium cell explosion's power, the explosion-proof effect of device has been improved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an use nimble new forms of energy lithium cell explosion-proof equipment, includes protecting against shock case (1), its characterized in that: the surface of the impact-proof box (1) is provided with a plurality of groups of fastening frames (2), fastening angles (3) are arranged on the upper surface of the impact-proof box (1) and four corners of the lower surface of the impact-proof box (1), four groups of supporting fixing feet (4) are arranged on the lower surface of the impact-proof box (1), a plurality of groups of telescopic rods (5) are fixedly connected to the inner wall of the impact-proof box (1), buffer springs (6) are sleeved on the outer surface of the telescopic rods (5), buffer plates (7) are fixedly connected to the inner sides of the buffer springs (6), battery boxes (8) are arranged inside the impact-proof box (1), guide layers (9) are fixedly connected to the outer surface of the battery boxes (8), directional holes (10) are formed in the outer surface of the guide layers (9), a plurality of groups of partition plates (11) are fixedly connected to the, and explosion-proof sand (13) is arranged in the wrapping layer (12).

2. The explosion-proof device of the new energy lithium battery with flexible use according to claim 1, is characterized in that: the lower surface of the supporting fixing foot (4) is fixedly connected with an anti-slip mat, the anti-slip mat is made of polyisoprene, and anti-slip lines are arranged on the lower surface of the anti-slip mat.

3. The explosion-proof device of the new energy lithium battery with flexible use according to claim 1, is characterized in that: the shape of the fastening frame (2) is L-shaped, the inner side surface of the fastening frame (2) is fixedly connected with the outer surface of the impact-proof box (1), and the fastening frame (2) is fixedly connected with the fastening angle (3).

4. The explosion-proof device of the new energy lithium battery with flexible use according to claim 1, is characterized in that: buffer spring (6) material is 55Si2Mn spring steel, and buffer spring (6)'s diameter is 3 millimeters, and the inside and outside both ends of buffer spring (6) are respectively with the inner wall of protecting against shock case (1) and the lateral surface fixed connection of buffer board (7).

5. The explosion-proof device of the new energy lithium battery with flexible use according to claim 1, is characterized in that: the outer side surface of the wrapping layer (12) is fixedly connected with the inner side surface of the partition plate (11), the inner side surface of the wrapping layer (12) is fixedly connected with the outer surface of the guide layer (9), and the circle center of the directional hole (10) and the center of the inner side surface of the wrapping layer (12) are on the same straight line.