CN220796956U - Lithium ion battery protection structure of lithium iron phosphate - Google Patents
Lithium ion battery protection structure of lithium iron phosphate Download PDFInfo
- Publication number
- CN220796956U CN220796956U CN202322339741.XU CN202322339741U CN220796956U CN 220796956 U CN220796956 U CN 220796956U CN 202322339741 U CN202322339741 U CN 202322339741U CN 220796956 U CN220796956 U CN 220796956U
- Authority
- CN
- China
- Prior art keywords
- cover
- lithium
- protective cover
- safety cover
- lithium battery
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims abstract description 25
- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 25
- GELKBWJHTRAYNV-UHFFFAOYSA-K lithium iron phosphate Chemical compound [Li+].[Fe+2].[O-]P([O-])([O-])=O GELKBWJHTRAYNV-UHFFFAOYSA-K 0.000 title claims abstract description 20
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims abstract description 45
- 229910052744 lithium Inorganic materials 0.000 claims abstract description 45
- 230000001681 protective effect Effects 0.000 claims abstract description 45
- 238000013016 damping Methods 0.000 claims abstract description 12
- 230000035939 shock Effects 0.000 claims abstract description 8
- 238000004804 winding Methods 0.000 claims description 10
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 8
- 229910052802 copper Inorganic materials 0.000 claims description 6
- 239000010949 copper Substances 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 6
- 230000000694 effects Effects 0.000 abstract description 6
- 238000010521 absorption reaction Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 4
- 239000000835 fiber Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229920002972 Acrylic fiber Polymers 0.000 description 1
- 229910052493 LiFePO4 Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000007772 electrode material Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Connection Of Batteries Or Terminals (AREA)
Abstract
The utility model discloses a lithium ion battery protection structure of lithium iron phosphate, which comprises a lithium battery body and a cover body assembly sleeved outside the lithium battery body, wherein the cover body assembly comprises a lower protective cover and an upper protective cover, the top of the lower protective cover is provided with a limiting ring, shock absorption pads are fixedly adhered to the inner walls of the lower protective cover and the upper protective cover, a plurality of shock absorption springs are arranged between the upper protective cover and the lithium battery body, a sliding rail is fixedly arranged on the outer wall of the lower protective cover, the limiting ring is in sliding connection with the outer part of the lower protective cover through the sliding rail, the top of the lower protective cover is provided with a through hole, a limiting ball is inserted in the through hole, a withdrawal groove is formed in the outer wall of one side of the limiting ring, and a clamping groove is formed in the outer wall of the upper protective cover. According to the lithium battery protection device, the upper protection cover and the lower protection cover are arranged, so that the protection effect on the lithium battery can be achieved, meanwhile, the damping pad and the damping spring are adopted, the larger vibration of the lithium battery in the protection cover can be relieved, and the protection effect is further improved.
Description
Technical Field
The utility model relates to the technical field of lithium ion batteries, in particular to a lithium ion battery protection structure of lithium iron phosphate.
Background
The lithium iron phosphate is a lithium ion battery electrode material, has a chemical formula of LiFePO4 (LFP for short), is mainly used for various lithium ion batteries, and has the advantages of high energy density, safety, long service life, good charging performance and the like, thus being widely applied to the lithium ion batteries.
When the lithium battery of the lithium iron phosphate (hereinafter referred to as a lithium battery for short) is used, in order to better protect the lithium battery and improve the service life of the lithium battery, a lithium battery protection structure is generally required to be arranged on an electric vehicle to protect the lithium battery, but the existing lithium battery protection structure is only a simple plastic protection shell, and the anti-collision protection of the lithium battery is lacking, so that the structure is easily damaged after the lithium battery is collided, and the use of the lithium battery is affected. Therefore, there is a need to design a lithium ion battery protection structure of lithium iron phosphate to solve the above problems.
Disclosure of Invention
The utility model aims to provide a lithium ion battery protection structure of lithium iron phosphate, which aims to solve the defects in the prior art.
In order to achieve the above object, the present utility model provides the following technical solutions:
the utility model provides a lithium ion battery protection architecture of lithium iron phosphate, establishes at the outside cover body subassembly of lithium battery body including lithium battery body and cover, cover body subassembly is including lower safety cover and last safety cover, and is provided with the stop collar down at the safety cover top, all fixedly bond on the inner wall of lower safety cover and last safety cover has the shock pad, and is provided with a plurality of damping spring between last safety cover and the lithium battery body, fixed mounting has the slide rail on the outer wall of lower safety cover, and the stop collar passes through slide rail sliding connection in the outside of lower safety cover, the safety cover top is provided with the through-hole down, and the inside grafting of through-hole has the spacing ball, it has the relief groove to open on the outer wall of one side of stop collar, be provided with the draw-in groove on the outer wall of going up the safety cover.
Preferably, conductive columns are arranged on two sides of the top of the lithium battery body, and conductive copper wires are fixedly welded at the top ends of the conductive columns.
Preferably, the outer walls of the two sides of the top of the upper protective cover are fixedly provided with binding posts corresponding to the positions of the conductive posts, the side walls of the binding posts are provided with wire winding grooves, and the conductive copper wires are fixedly connected to the outer parts of the binding posts in a winding mode through the wire winding grooves.
Preferably, a sealing gasket is fixedly arranged at a contact part between the lower protective cover and the upper protective cover.
Preferably, the outside fixed joint of slide rail has spacing snap ring, and the slide rail is the cylinder structure, spacing snap ring is one side open structure.
Preferably, the recession groove and the clamping groove are both hemispherical.
In the technical scheme, the lithium ion battery protection structure of the lithium iron phosphate has the beneficial effects that:
(1) Through last safety cover and the lower safety cover that sets up, can realize the guard action to the lithium cell, shock pad and damping spring that adopts simultaneously can alleviate the inside great vibration of lithium cell safety cover, have further improved the effect of its protection.
(2) Through the spacing ring, realize the connection between upper protective cover and the lower protective cover fixed, compare in traditional fixing bolt and connect, be convenient for people carry out quick dismantlement and maintenance to the protective cover.
(3) Through the conductive copper wire that sets up, can let the conductive post on the lithium cell carry out electric connection with the outside terminal of safety cover, do not influence the lithium cell simultaneously and protect the inside little removal of safety cover, overall structure is novel, reasonable in design.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.
Fig. 1 is a schematic structural diagram of a lithium ion battery protection structure according to an embodiment of the present utility model.
Fig. 2 is a schematic structural diagram of a lithium ion battery body provided in an embodiment of a lithium iron phosphate protection structure of the present utility model.
Fig. 3 is a schematic main sectional structure provided by an embodiment of a lithium ion battery protection structure of lithium iron phosphate according to the present utility model.
Fig. 4 is a schematic diagram of a partially enlarged structure of a stop collar provided in an embodiment of a lithium ion battery protection structure of lithium iron phosphate according to the present utility model.
Fig. 5 is a schematic structural diagram of a slide rail and a limiting snap ring provided in an embodiment of a lithium ion battery protection structure of lithium iron phosphate.
1 lithium battery body, 2 conductive post, 3 conductive copper wire, 4 lower safety cover, 5 spacing ring, 6 upper safety cover, 7 terminal, 8 wire winding groove, 9 shock pad, 10 damping spring, 11 sealing pad, 12 slide rail, 13 spacing snap ring, 14 backset groove, 15 spacing ball, 16 draw-in groove.
Detailed Description
In order to make the technical scheme of the present utility model better understood by those skilled in the art, the present utility model will be further described in detail with reference to the accompanying drawings.
As shown in fig. 1-5, the lithium ion battery protection structure of lithium iron phosphate provided by the embodiment of the utility model comprises a lithium battery body 1 and a cover body assembly sleeved outside the lithium battery body 1, wherein the cover body assembly comprises a lower protection cover 4 and an upper protection cover 6, a limiting ring 5 is arranged at the top of the lower protection cover 4, shock absorption pads 9 are fixedly adhered to the inner walls of the lower protection cover 4 and the upper protection cover 6, a plurality of shock absorption springs 10 are arranged between the upper protection cover 6 and the lithium battery body 1, a sliding rail 12 is fixedly arranged on the outer wall of the lower protection cover 4, the limiting ring 5 is in sliding connection with the outer part of the lower protection cover 4 through the sliding rail 12, a through hole is formed in the top of the lower protection cover 4, a limiting ball 15 is inserted in the through hole, a recession 14 is formed in the outer wall of one side of the limiting ring 5, and a clamping groove 16 is formed in the outer wall of the upper protection cover 6.
Specifically, in this embodiment, the lithium battery protection device comprises a lithium battery body 1 and a cover body assembly sleeved outside the lithium battery body 1, the cover body assembly comprises a lower protective cover 4 and an upper protective cover 6, a limiting ring 5 is arranged at the top of the lower protective cover 4, the lower protective cover 4 is sleeved under the outside of the lithium battery, the upper protective cover 6 is sleeved over the outside of the lithium battery, the effect of protecting the outside of the lithium battery is achieved, and the upper protective cover 4 and the lower protective cover are fixedly connected and fixed through the limiting ring 5, a damping pad 9 is fixedly adhered to the inner walls of the lower protective cover 4 and the upper protective cover 6, the damping pad 9 is compounded by chemical fibers such as polyester fibers and acrylic fibers through a glue-free technology, a plurality of damping springs 10 are arranged between the upper protective cover 6 and the lithium battery body 1, the damping springs 10 can play a good buffering effect when the lithium battery is impacted by external force, the lithium battery is prevented from being damaged by the large external force impact, a sliding rail 12 is fixedly arranged on the outer wall of the lower protective cover 4, the limiting ring 5 is slidingly connected to the outside of the lower protective cover 4 through the sliding rail 12, a through hole is formed in the top of the protective cover 4, a clamping groove 16 is formed in the upper side of the upper protective cover 6 and is matched with a clamping groove 16, and a clamping groove 16 is formed in the upper side of the clamping groove 16 and a clamping groove 16, and one side of the clamping groove 16 is fixedly matched with the upper side of the limiting groove 16, and one side of the limiting groove 16 is matched with the limiting groove 16, and the limiting groove 16 is formed in the limiting groove 16, and the limiting groove 16 is matched with the limiting groove 13;
the specific working principle of the limiting ring 5 is as follows:
the limiting ring 5 can slide outside the lower protecting cover 4 through the sliding rail 12, when the limiting ring 5 is positioned at the lower position, the recession groove 14, the limiting ball 15 and the clamping groove 16 are positioned on the same straight line, at the moment, the limiting ball 15 enters the inside of the lower protecting cover 4 and withdraws from the clamping groove 16 along with the upward pulling of the upper protecting cover 6, so that the upper protecting cover 6 is pulled out of the inside of the limiting ring 5, separation between the upper protecting cover 6 and the lower protecting cover 4 is realized, and the lithium battery in the upper protecting cover is conveniently taken out, maintained, replaced, installed and the like;
when the upper protective cover 6 and the lower protective cover 4 are fixedly connected by utilizing the limiting ring 5, the upper protective cover 6 is inserted into the limiting ring 5, then the limiting ring 5 slides upwards along the sliding rail 12, the position of the recession 14 and the position of the limiting ball 15 are staggered, the limiting ball 15 is extruded into the clamping groove 16 by utilizing the plane inside the limiting ring 5, and finally the limiting ring 13 is clamped on the sliding rail 12, so that the limiting of the limiting ring 5 on the sliding rail 12 is realized, and the fixed connection between the upper protective cover 6 and the lower protective cover 4 is realized.
According to the lithium ion battery protection structure of lithium iron phosphate, the upper protection cover 6 and the lower protection cover 4 are arranged, so that the protection effect on a lithium battery can be achieved, meanwhile, the damping pad 9 and the damping spring 10 are adopted, the larger vibration of the lithium battery in the protection cover can be relieved, the protection effect is further improved, the upper protection cover 6 and the lower protection cover 4 are fixedly connected through the limiting ring 5, and compared with the traditional fixing bolt, the protection cover is convenient for people to rapidly detach and maintain.
In one embodiment provided by the utility model, conductive columns 2 are arranged on two sides of the top of a lithium battery body 1, and conductive copper wires 3 are fixedly welded at the top ends of the conductive columns 2; the outer walls of the two sides of the top of the upper protective cover 6 are fixedly provided with binding posts 7 corresponding to the positions of the conductive posts 2, the side walls of the binding posts 7 are provided with wire winding grooves 8, and the conductive copper wires 3 are fixedly connected to the outer parts of the binding posts 7 in a winding mode through the wire winding grooves 8.
In another embodiment provided by the utility model, the sealing gasket 11 is fixedly arranged at the contact part between the lower protective cover 4 and the upper protective cover 6, and the sealing gasket 11 plays a role of a gasket and can also play a role of sealing the interface of the upper protective cover 6 and the lower protective cover 4 when the upper protective cover 6 and the lower protective cover 4 are fixedly connected.
While certain exemplary embodiments of the present utility model have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the utility model, which is defined by the appended claims.
Claims (6)
1. Lithium ion battery protection architecture of lithium iron phosphate, establish at the outside cover body subassembly of lithium battery body (1) including lithium battery body (1) and cover, a serial communication port, cover body subassembly is including lower safety cover (4) and last safety cover (6), and is provided with spacing ball (15) at lower safety cover (4) top, all be fixed with on the inner wall of lower safety cover (4) and last safety cover (6) and bond shock pad (9), and be provided with a plurality of damping spring (10) between last safety cover (6) and lithium battery body (1), fixed mounting has slide rail (12) on the outer wall of lower safety cover (4), and spacing ball (5) pass through slide rail (12) sliding connection in the outside of lower safety cover (4), lower safety cover (4) top is provided with the through-hole, and the inside grafting of through-hole has spacing ball (15), it has relief groove (14) to open on the outer wall of one side of spacing ring (5), be provided with draw-in groove (16) on the outer wall of going up safety cover (6).
2. The lithium ion battery protection structure of the lithium iron phosphate according to claim 1, wherein the conductive posts (2) are arranged on two sides of the top of the lithium battery body (1), and the conductive copper wires (3) are fixedly welded on the top ends of the conductive posts (2).
3. The lithium ion battery protection structure of the lithium iron phosphate according to claim 2, wherein binding posts (7) corresponding to the positions of the conductive posts (2) are fixedly arranged on the outer walls of the two sides of the top of the upper protective cover (6), winding grooves (8) are formed in the side walls of the binding posts (7), and the conductive copper wires (3) are fixedly connected to the outer parts of the binding posts (7) in a winding mode through the winding grooves (8).
4. The lithium ion battery protection structure of lithium iron phosphate according to claim 1, wherein a sealing gasket (11) is fixedly arranged at a contact portion between the lower protective cover (4) and the upper protective cover (6).
5. The lithium ion battery protection structure of claim 1, wherein the limit snap ring (13) is fixedly clamped outside the slide rail (12), the slide rail (12) is of a cylinder structure, and the limit snap ring (13) is of a one-side opening structure.
6. The lithium ion battery protection structure of claim 1, wherein the recession groove (14) and the clamping groove (16) are hemispherical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322339741.XU CN220796956U (en) | 2023-08-30 | 2023-08-30 | Lithium ion battery protection structure of lithium iron phosphate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322339741.XU CN220796956U (en) | 2023-08-30 | 2023-08-30 | Lithium ion battery protection structure of lithium iron phosphate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220796956U true CN220796956U (en) | 2024-04-16 |
Family
ID=90659422
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322339741.XU Active CN220796956U (en) | 2023-08-30 | 2023-08-30 | Lithium ion battery protection structure of lithium iron phosphate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220796956U (en) |
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2023
- 2023-08-30 CN CN202322339741.XU patent/CN220796956U/en active Active
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