CN214099769U

CN214099769U - Device for improving safety of all-solid-state thin film lithium battery

Info

Publication number: CN214099769U
Application number: CN202022759074.7U
Authority: CN
Inventors: 杨京京
Original assignee: Shanglian Intelligent Technology Shanghai Co ltd
Current assignee: Shanglian Intelligent Technology Shanghai Co ltd
Priority date: 2020-11-25
Filing date: 2020-11-25
Publication date: 2021-08-31
Anticipated expiration: 2030-11-25

Abstract

The utility model discloses an improve device of full solid state film lithium cell security, including the device case, the activity groove has been seted up to the bottom of device incasement wall, the inside swing joint in activity groove has movable bottom plate. The utility model discloses a removal curb plate of both sides plays to press from both sides tight fixed action to its left and right sides, and the movable bottom plate of bottom then provides the supporting role for it, when taking place vibrations around the device case, be located the left and right sides of inside lithium cell, at the removal curb plate, under the combined action of shock pad and elastic component, can reduce the effort of horizontal direction, play fine guard action to the left and right sides of battery, and through movable bottom plate, guard pad and damping spring's cooperation, can play effectual cushioning effect to the lithium cell of vertical direction, thereby reduce the damage that the effort led to the fact lithium cell self, and then can play effectual guard action to the lithium cell of device incasement portion, improve its security.

Description

Device for improving safety of all-solid-state thin film lithium battery

Technical Field

The utility model relates to a lithium cell safety protection field specifically is a device that improves all solid-state film lithium cell security.

Background

The lithium battery is a battery which uses lithium metal or lithium alloy as a positive/negative electrode material and uses a non-aqueous electrolyte solution, and the lithium metal has very high requirements on the environment due to the very active chemical characteristics of the lithium metal, so that the lithium metal is processed, stored and used. With the development of scientific technology, lithium batteries have become mainstream, and the lithium batteries can be roughly divided into two types: the fifth generation products of the rechargeable battery have better safety, specific capacity, self-discharge rate and cost performance than the lithium ion battery.

With continuous progress of science and technology, research on lithium batteries is more and more mature, and all-solid-state thin-film lithium batteries are the latest lithium batteries in the prior art, however, in the use process of all-solid-state thin-film lithium batteries, a bracket of the all-solid-state thin-film lithium batteries is generally fixed on a mounting position through screws, and due to lack of protective measures, if the surrounding environment vibrates for a long time in use, the all-solid-state thin-film lithium batteries are easy to damage the batteries and possibly cause damage to the use effect.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an improve device of all solid-state film lithium cell security to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an improve device of full solid state film lithium cell security, includes the device case, the activity groove has been seted up to the bottom of device incasement wall, the inside swing joint in activity groove has movable bottom plate, movable bottom plate's top is provided with the protection pad, flexible hole has been seted up to movable bottom plate's bottom, the bottom fixedly connected with locating lever of activity inslot surface, damping spring has been cup jointed to the surface of locating lever, the inside of device case is provided with full solid state film lithium cell.

Preferably, the left side and the right side of the inner wall of the device box are both provided with a moving groove, and a moving side plate is arranged inside the moving groove.

Preferably, one side of the movable side plate is fixedly connected with an elastic piece, the other end of the elastic piece is fixedly connected with one side of the inner surface of the movable groove, and one side of the movable side plate is provided with a shock pad.

Preferably, the top end of the positioning rod penetrates through the bottom of the movable bottom plate and extends to the inside of the telescopic hole, and the top of the protection pad is attached to the bottom of the all-solid-state thin film lithium battery.

Preferably, the bottom of the left side and the bottom of the device box are both fixedly connected with connecting blocks, and fixing bolts are arranged on the connecting blocks.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a removal curb plate of both sides plays to press from both sides tight fixed action to its left and right sides, and the movable bottom plate of bottom then provides the supporting role for it, when taking place vibrations around the device case, be located the left and right sides of inside lithium cell, at the removal curb plate, under the combined action of shock pad and elastic component, can reduce the effort of horizontal direction, play fine guard action to the left and right sides of battery, and through movable bottom plate, guard pad and damping spring's cooperation, can play effectual cushioning effect to the lithium cell of vertical direction, thereby reduce the damage that the effort led to the fact lithium cell self, and then can play effectual guard action to the lithium cell of device incasement portion, improve its security.

Drawings

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

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

fig. 3 is an enlarged schematic view of the portion a shown in fig. 2.

In the figure: 1. a device case; 2. a movable groove; 3. a movable bottom plate; 4. a protection pad; 5. a telescopic hole; 6. positioning a rod; 7. a damping spring; 8. an all-solid-state thin film lithium battery; 9. a moving groove; 10. moving the side plate; 11. an elastic member; 12. a shock pad; 13. connecting blocks; 14. and (5) fixing the bolt.

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. 1-3, the present invention provides an embodiment:

the utility model provides an improve device of all solid state film lithium cell security, includes device case 1, movable groove 2 has been seted up to the bottom of device case 1 inner wall, the inside swing joint in movable groove 2 has movable bottom plate 3, movable bottom plate 3's top is provided with protection pad 4, flexible hole 5 has been seted up to movable bottom plate 3's bottom, the bottom fixedly connected with locating lever 6 of the 2 internal surfaces in movable groove, damping spring 7 has been cup jointed to the surface of locating lever 6, device case 1's inside is provided with all solid state film lithium cell 8.

Remove curb plate 10 through both sides and play tight fixed action to its left and right sides, and movable bottom plate 3 of bottom then provides the supporting role for it, when taking place vibrations around device case 1, be located the left and right sides of inside lithium cell, at removing curb plate 10, under the combined action of shock pad 12 and elastic component 11, can reduce the effort of horizontal direction, play fine guard action to the left and right sides of battery, and through movable bottom plate 3, guard pad 4 and damping spring 7's cooperation, can play effectual cushioning effect to the lithium cell of vertical direction, thereby reduce the damage that the effort led to the fact to lithium cell self, and then can play effectual guard action to the lithium cell of device case 1 inside, improve its security.

In this embodiment, the left and right sides of the inner wall of the device case 1 are both provided with moving grooves 9, and moving side plates 10 are provided inside the moving grooves 9.

In this embodiment, an elastic member 11 is fixedly connected to one side of the movable side plate 10, the other end of the elastic member 11 is fixedly connected to one side of the inner surface of the movable groove 9, and a shock absorbing pad 12 is disposed on one side of the movable side plate 10.

In this embodiment, the top end of the positioning rod 6 penetrates through the bottom of the movable bottom plate 3 and extends to the inside of the telescopic hole 5, and the top of the protection pad 4 is attached to the bottom of the all-solid-state thin film lithium battery 8.

In this embodiment, the bottom of the left side and the bottom of the device case 1 are both fixedly connected with a connecting block 13, and a fixing bolt 14 is arranged on the connecting block 13.

The working principle is as follows:

when the all-solid-state thin film lithium battery is installed, the all-solid-state thin film lithium battery is directly placed inside the device box 1, so that the bottom of the all-solid-state thin film lithium battery can be contacted with the protection pad 4, the left side and the right side of the all-solid-state thin film lithium battery are respectively attached to the movable side plates 10, the movable side plates 10 on the two sides play a role in clamping and fixing the left side and the right side of the all-solid-state thin film lithium battery, the movable bottom plate 3 on the bottom provides a supporting role for the all-solid-state thin film lithium battery, when the periphery of the device box 1 vibrates, the left side and the right side of the lithium battery inside are positioned, under the combined action of the movable side plates 10, the shock absorption pad 12 and the elastic piece 11, the acting force in the horizontal direction can be reduced, the left side and the right side of the battery can be well protected, and the lithium battery in the vertical direction can be effectively protected through the matching action of the movable bottom plate 3, the protection pad 4 and the shock absorption spring 7, the safety of the device is improved.

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 utility model provides an improve device of all solid state film lithium cell security, includes the device case, its characterized in that: the device case comprises a device case body and is characterized in that a movable groove is formed in the bottom of the inner wall of the device case body, a movable bottom plate is movably connected inside the movable groove, a protection pad is arranged at the top of the movable bottom plate, a telescopic hole is formed in the bottom of the movable bottom plate, a positioning rod is fixedly connected to the bottom of the inner surface of the movable groove, a damping spring is sleeved on the outer surface of the positioning rod, and an all-solid-state thin film lithium battery is arranged inside the device case body.

2. The apparatus of claim 1, wherein the apparatus further comprises: the movable groove has all been seted up to the left and right sides of device incasement wall, the inside in movable groove is provided with the removal curb plate.

3. The apparatus of claim 2, wherein the apparatus further comprises: one side of the movable side plate is fixedly connected with an elastic piece, the other end of the elastic piece is fixedly connected with one side of the inner surface of the movable groove, and one side of the movable side plate is provided with a damping pad.

4. The apparatus of claim 1, wherein the apparatus further comprises: the top end of the locating rod penetrates through the bottom of the movable bottom plate and extends to the inside of the telescopic hole, and the top of the protection pad is attached to the bottom of the all-solid-state thin film lithium battery.

5. The apparatus of claim 1, wherein the apparatus further comprises: the bottom of the left side and the bottom of the device box are both fixedly connected with connecting blocks, and fixing bolts are arranged on the connecting blocks.