CN219873835U - Explosion-proof protective housing based on lithium iron phosphate battery - Google Patents

Explosion-proof protective housing based on lithium iron phosphate battery Download PDF

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Publication number
CN219873835U
CN219873835U CN202321157675.8U CN202321157675U CN219873835U CN 219873835 U CN219873835 U CN 219873835U CN 202321157675 U CN202321157675 U CN 202321157675U CN 219873835 U CN219873835 U CN 219873835U
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China
Prior art keywords
iron phosphate
buffer
lithium iron
phosphate battery
explosion
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CN202321157675.8U
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Chinese (zh)
Inventor
钱军
严学庆
袁朝勇
袁朝明
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JIANGSU OLITER ENERGY TECHNOLOGY CO LTD
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JIANGSU OLITER ENERGY TECHNOLOGY CO LTD
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Priority to CN202321157675.8U priority Critical patent/CN219873835U/en
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

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  • Secondary Cells (AREA)
  • Battery Mounting, Suspending (AREA)

Abstract

The utility model discloses an explosion-proof protective shell based on a lithium iron phosphate battery, and relates to the technical field of shells for lithium iron phosphate batteries; the lithium iron phosphate battery comprises a protective shell, wherein a placing groove is formed in the protective shell, a lithium iron phosphate battery body is arranged in the placing groove, sliding grooves which are distributed up and down are formed in the two opposite sides of the inner wall of the placing groove, two symmetrically distributed buffer blocks are arranged in the sliding grooves in a sliding manner, and a buffer rod is hinged to one side, facing the lithium iron phosphate battery body, of each buffer block; the buffer spring provided by the utility model can buffer the impact of the lithium iron phosphate battery body received by the buffer block, the buffer rod and the buffer plate by providing a counter thrust, and the movement of the buffer plate is controlled by matching with the spring damper, so that the lithium iron phosphate battery body is completely buffered when being impacted, the lithium iron phosphate battery body is buffered and protected, the explosion of the lithium iron phosphate battery body caused by collision is avoided, and the service life of the lithium iron phosphate battery body is prolonged.

Description

Explosion-proof protective housing based on lithium iron phosphate battery
Technical Field
The utility model relates to the technical field of shells for lithium iron phosphate batteries, in particular to an explosion-proof protective shell based on a lithium iron phosphate battery.
Background
The lithium iron phosphate battery is a lithium ion battery which uses lithium iron phosphate as a positive electrode material and carbon as a negative electrode material, wherein part of lithium ions in the lithium iron phosphate are removed in the charging process and transferred to a negative electrode through electrolyte, and a negative electrode carbon material is inserted into the lithium iron phosphate battery; simultaneously, electrons are released from the positive electrode and reach the negative electrode from the external circuit, so that balance of chemical reaction is maintained, lithium ions are released from the negative electrode and reach the positive electrode through electrolyte in the discharging process, and meanwhile, electrons are released from the negative electrode and reach the positive electrode from the external circuit, so that energy is provided for the outside;
when the existing lithium iron phosphate battery is transported, the lithium iron phosphate battery is extremely easy to shake and impact to damage when external impact occurs, the inside is not provided with buffering, the lithium iron phosphate battery can be damaged to a certain extent, the lithium iron phosphate battery is easy to explode when the impact occurs, the service life is prolonged, and the safety of a user is simultaneously endangered.
In view of the above problems, the inventors propose an explosion-proof protective case based on a lithium iron phosphate battery for solving the above problems.
Disclosure of Invention
In order to solve the problem of collision buffering of the lithium iron phosphate battery body in the protective shell; the utility model aims to provide an explosion-proof protective shell based on a lithium iron phosphate battery.
In order to solve the technical problems, the utility model adopts the following technical scheme: the explosion-proof protective housing based on the lithium iron phosphate battery comprises a protective housing, wherein a placing groove is formed in the protective housing, a lithium iron phosphate battery body is arranged in the placing groove, sliding grooves which are distributed up and down are formed in two opposite sides of the inner wall of the placing groove, two symmetrically distributed buffer blocks are arranged in the sliding grooves in a sliding manner, one side of each buffer block, which faces the lithium iron phosphate battery body, is hinged with a buffer rod, a buffer plate is arranged on the inner wall of the placing groove, which is close to the sliding groove, of the lithium iron phosphate battery body, a connecting rod is fixedly arranged between two adjacent buffer plates together, the moving synchronism of the two buffer plates is improved, a buffer layer is arranged on one side, which faces the lithium iron phosphate battery body, of each buffer layer is made of rubber, the buffer layer is prevented from being in hard contact between the buffer plate and the lithium iron phosphate battery body, the buffer rod is hinged to one end of the buffer rod far away from the buffer block and is arranged on one side of the buffer plate far away from the lithium iron phosphate battery body, buffer springs are connected to the opposite ends of the inner wall of the sliding chute, one end of the buffer spring far away from the inner wall of the sliding chute is connected to the buffer block, spring dampers are arranged at the two ends of one side of the buffer plate far away from the lithium iron phosphate battery body in a mounting groove, one end of the spring dampers far away from the buffer plate is connected to the inner wall of the mounting groove, the impact of the lithium iron phosphate battery body received by the buffer block, the buffer rod and the buffer plate is buffered through the buffer springs, the movement of the buffer plate is controlled by the buffer springs in cooperation, so that the lithium iron phosphate battery body is buffered when being impacted, the lithium iron phosphate battery body is buffered and protected, the explosion of the lithium iron phosphate battery body caused by the impact is avoided, and meanwhile, the service life of the lithium iron phosphate battery body is prolonged.
Preferably, the buffer rods hinged on the same two buffer blocks in the chute are distributed in an oblique symmetrical mode, so that the two buffer rods transmit the stress to the buffer blocks.
Preferably, the inside relative both ends of spout are fixed and are equipped with the guide bar, buffer spring movable sleeve is established on the guide bar, is located buffer block activity in the spout is inserted and is established on the guide bar, and buffer spring sleeve is established on the guide bar, avoids buffer spring to take place to bend, and buffer block activity is inserted and is established on the guide bar for buffer block can steadily remove.
Preferably, the side wall of the protective shell is provided with radiating grooves which are distributed in a rectangular mode, a dustproof net is arranged in each radiating groove, and the radiating grooves increase the flow of air in the protective shell so as to radiate heat.
Preferably, the installation is equipped with the apron on lithium iron phosphate battery body top lateral wall, apron four corners department installation is equipped with fixing bolt, portable groove has been seted up at the apron wherein relative both ends, and the apron is connected with lithium iron phosphate battery body, is connected between fixing bolt and protective housing, increases the stability to lithium iron phosphate battery body installation, can conveniently put into and take out lithium iron phosphate battery body through portable groove.
Compared with the prior art, the utility model has the beneficial effects that:
the buffer spring provided by the utility model can buffer the impact of the lithium iron phosphate battery body received by the buffer block, the buffer rod and the buffer plate by providing a counter thrust, and the movement of the buffer plate is controlled by matching with the spring damper, so that the lithium iron phosphate battery body is completely buffered when being impacted, the lithium iron phosphate battery body is buffered and protected, the explosion of the lithium iron phosphate battery body caused by collision is avoided, and the service life of the lithium iron phosphate battery body is prolonged.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic view of the structure of the protective housing of the present utility model.
FIG. 2 is a schematic diagram of a placement tank according to the present utility model.
FIG. 3 is a schematic view of a buffer plate according to the present utility model.
In the figure: 1. a protective housing; 11. a placement groove; 12. a lithium iron phosphate battery body; 13. a chute; 14. a buffer block; 15. a buffer rod; 16. a buffer plate; 17. a buffer layer; 18. a buffer spring; 19. a guide rod; 20. a spring damper; 21. a connecting rod; 22. a heat sink; 23. a dust screen; 3. a cover plate; 31. a fixing bolt; 32. a hand-held groove.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Examples: as shown in fig. 1-3, the utility model provides an explosion-proof protective housing based on a lithium iron phosphate battery, which comprises a protective housing 1, wherein a placing groove 11 is formed in the protective housing 1, a lithium iron phosphate battery body 12 is arranged in the placing groove 11, sliding grooves 13 which are distributed up and down are formed on two opposite sides of the inner wall of the placing groove 11, two symmetrically distributed buffer blocks 14 are arranged in the sliding grooves 13 in a sliding manner, a buffer rod 15 is hinged on one side of the buffer block 14 facing the lithium iron phosphate battery body 12, a buffer plate 16 is arranged on the inner wall of the placing groove 11, which is close to the sliding groove 13, with the lithium iron phosphate battery body 12, one end of the buffer rod 15, which is far away from the buffer plate 16, is hinged on one side, which is far away from the lithium iron phosphate battery body 12, of the buffer plate 16 is arranged, buffer springs 18 are connected to two opposite ends of the inner wall of the sliding groove 13, the buffer spring 18 is kept away from chute 13 inner wall one end and is connected to be set up on buffer block 14, the buffer board 16 is kept away from the both ends installation of lithium iron phosphate battery body 12 one side and is equipped with spring damper 20, spring damper 20 is kept away from buffer board 16 one end and is connected to be set up on the standing groove 11 inner wall, will provide the impact of counter thrust to lithium iron phosphate battery body 12 that buffer block 14, buffer rod 15 and buffer board 16 received through buffer spring 18, the removal at cooperation spring damper 20 control buffer board 16, thereby buffer when whole lithium iron phosphate battery body 12 receives the impact, buffer protection is carried out to lithium iron phosphate battery body 12, avoid causing lithium iron phosphate battery body 12 to explode because of the collision, improve lithium iron phosphate battery body 12's life simultaneously.
The buffer rods 15 hinged on the same two buffer blocks 14 in the chute 13 are distributed in oblique symmetry.
By adopting the above technical solution, the two buffer rods 15 are made to transmit the forces exerted to the buffer block 14.
The guide rods 19 are fixedly arranged at the opposite ends inside the sliding groove 13, the buffer springs 18 are movably sleeved on the guide rods 19, and the buffer blocks 14 positioned in the sliding groove 13 are movably inserted on the guide rods 19.
Through adopting above-mentioned technical scheme, buffer spring 18 cover is established on guide bar 19, avoids buffer spring 18 to take place to bend, and buffer block 14 activity is inserted on guide bar 19 for buffer block 14 can stably remove.
A connecting rod 21 is fixedly arranged between two adjacent buffer plates 16.
By adopting the above technical scheme, the synchronism of the movement of the two buffer plates 16 is increased.
The buffer plate 16 is provided with a buffer layer 17 facing the lithium iron phosphate battery body 12, and the buffer layer 17 is made of rubber.
By adopting the technical scheme, the buffer layer 17 is avoided, so that hard contact between the buffer plate 16 and the lithium iron phosphate battery body 12 can be avoided.
The side wall of the protective shell 1 is provided with radiating grooves 22 which are rectangular in distribution, and a dustproof net 23 is arranged in each radiating groove 22.
By adopting the above technical scheme, the heat dissipation groove 22 increases the flow of air in the protective housing 1, thereby dissipating heat.
The side wall of the top end of the lithium iron phosphate battery body 12 is provided with a cover plate 3, fixing bolts 31 are arranged at four corners of the cover plate 3, and portable grooves 32 are formed in the two opposite ends of the cover plate 3.
Through adopting above-mentioned technical scheme, apron 3 is connected with lithium iron phosphate battery body 12, is connected between protective housing 1 through fixing bolt 31, increases the stability to the installation of lithium iron phosphate battery body 12, can conveniently put into and take out lithium iron phosphate battery body 12 through portable groove 32.
Working principle: in the transportation, when the lithium iron phosphate battery body 12 located in the protective housing 1 is impacted, the side wall of the lithium iron phosphate battery body 12 is contacted with the buffer plate 16, the buffer plate 16 transmits the stress to the buffer rod 15, the buffer rod 15 extrudes the buffer spring 18 through the buffer block 14, so that the buffer spring 18 can provide a counter thrust to buffer the impact of the lithium iron phosphate battery body 12 received by the buffer block 14, the buffer rod 15 and the buffer plate 16, and the movement of the buffer plate 16 is controlled by matching with the spring damper 20, so that the lithium iron phosphate battery body 12 is completely buffered when being impacted, the lithium iron phosphate battery body 12 is buffered and protected, the explosion of the lithium iron phosphate battery body 12 caused by the impact is avoided, and meanwhile, the service life of the lithium iron phosphate battery body 12 is prolonged.
It will be apparent to those skilled in the art that various modifications and variations can be made to the present utility model without departing from the spirit or scope of the utility model. Thus, it is intended that the present utility model also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.

Claims (7)

1. Explosion-proof protective housing based on lithium iron phosphate battery, including protective housing (1), its characterized in that: the utility model discloses a lithium iron phosphate battery cell, including protection shell (1), including protection shell, buffer rod (12), buffer rod (15) are close to spout (13) with lithium iron phosphate battery cell (12), buffer rod (15) are kept away from buffer rod (14) one end and are articulated to be set up in buffer plate (16) keep away from lithium iron phosphate battery cell (12) one side, buffer spring (18) are connected at both ends relatively to be equipped with in spout (13) inner wall, buffer spring (18) keep away from on buffer block (14) inner wall one end connection, buffer plate (16) are kept away from both ends installation at lithium iron phosphate battery cell (12) one side and are equipped with spring damper (20), spring damper (20) are kept away from buffer plate (16) one end connection and are kept away from lithium iron phosphate battery cell (12) one side.
2. The explosion-proof protection casing based on the lithium iron phosphate battery according to claim 1, wherein buffer rods (15) hinged on the same two buffer blocks (14) in the chute (13) are distributed in an oblique symmetry.
3. The explosion-proof protection shell based on the lithium iron phosphate battery according to claim 1, wherein guide rods (19) are fixedly arranged at two opposite ends inside the sliding groove (13), the buffer springs (18) are movably sleeved on the guide rods (19), and the buffer blocks (14) positioned in the sliding groove (13) are movably inserted on the guide rods (19).
4. An explosion-proof protective casing based on lithium iron phosphate battery according to claim 1, characterized in that a connecting rod (21) is fixedly arranged between two adjacent buffer plates (16).
5. The explosion-proof protection shell based on the lithium iron phosphate battery according to claim 1, wherein a buffer layer (17) is arranged on one side of the buffer plate (16) facing the lithium iron phosphate battery body (12), and the buffer layer (17) is made of rubber.
6. The explosion-proof protective housing based on the lithium iron phosphate battery according to claim 1, wherein radiating grooves (22) distributed in a rectangular shape are formed in the side wall of the protective housing (1), and dust screens (23) are arranged in the radiating grooves (22).
7. The explosion-proof protection shell based on the lithium iron phosphate battery according to claim 1, wherein the side wall of the top end of the lithium iron phosphate battery body (12) is provided with a cover plate (3), fixing bolts (31) are arranged at four corners of the cover plate (3), and the two opposite ends of the cover plate (3) are provided with portable grooves (32).
CN202321157675.8U 2023-05-15 2023-05-15 Explosion-proof protective housing based on lithium iron phosphate battery Active CN219873835U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202321157675.8U CN219873835U (en) 2023-05-15 2023-05-15 Explosion-proof protective housing based on lithium iron phosphate battery

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202321157675.8U CN219873835U (en) 2023-05-15 2023-05-15 Explosion-proof protective housing based on lithium iron phosphate battery

Publications (1)

Publication Number Publication Date
CN219873835U true CN219873835U (en) 2023-10-20

Family

ID=88318020

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202321157675.8U Active CN219873835U (en) 2023-05-15 2023-05-15 Explosion-proof protective housing based on lithium iron phosphate battery

Country Status (1)

Country Link
CN (1) CN219873835U (en)

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