CN220456606U - Explosion-proof protection architecture of lithium cell - Google Patents
Explosion-proof protection architecture of lithium cell Download PDFInfo
- Publication number
- CN220456606U CN220456606U CN202320915039.0U CN202320915039U CN220456606U CN 220456606 U CN220456606 U CN 220456606U CN 202320915039 U CN202320915039 U CN 202320915039U CN 220456606 U CN220456606 U CN 220456606U
- Authority
- CN
- China
- Prior art keywords
- lithium battery
- fixedly connected
- explosion
- box body
- box
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- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 55
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 52
- 230000007246 mechanism Effects 0.000 claims abstract description 25
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 14
- 229910052742 iron Inorganic materials 0.000 claims description 7
- 230000003014 reinforcing effect Effects 0.000 claims description 5
- 238000010030 laminating Methods 0.000 claims description 2
- 238000004880 explosion Methods 0.000 abstract description 23
- 238000007599 discharging Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 4
- 230000017525 heat dissipation Effects 0.000 abstract description 4
- 150000002641 lithium Chemical class 0.000 abstract description 3
- 210000004027 cell Anatomy 0.000 description 6
- 238000009423 ventilation Methods 0.000 description 5
- 238000007789 sealing Methods 0.000 description 4
- 210000005056 cell body Anatomy 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- JRBRVDCKNXZZGH-UHFFFAOYSA-N alumane;copper Chemical compound [AlH3].[Cu] JRBRVDCKNXZZGH-UHFFFAOYSA-N 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 239000003351 stiffener Substances 0.000 description 2
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000009736 wetting 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
- Battery Mounting, Suspending (AREA)
Abstract
The utility model discloses an explosion-proof protection structure of a lithium battery, which relates to the technical field of lithium batteries and comprises a box body, wherein a base plate is arranged at the bottom of the box body, a lithium battery body is arranged on the base plate, and a buffer mechanism is arranged between the periphery of the lithium battery body and the inner side of the box body; two mounting openings are formed in the box body, two bendable wires are fixedly connected to the lithium battery body, the free ends of the wires are provided with sockets which are sleeved in the mounting openings in a sliding mode, and a driving mechanism is arranged in the box body and drives the sockets to slide in the mounting openings through the driving mechanism. The utility model can block the force generated by explosion, so that the whole structure is safer, and simultaneously, when the lithium battery body generates high temperature due to charge and discharge, the charging port and the discharging port of the lithium battery body are disconnected, thereby avoiding explosion caused by continuous temperature rise, having good heat dissipation effect and further avoiding explosion caused by high temperature.
Description
Technical Field
The utility model relates to the technical field of lithium batteries, in particular to an explosion-proof protection structure of a lithium battery.
Background
Due to the specificity of the internal structure of the lithium battery, explosion accidents can be caused when the temperature in the battery rises sharply when the battery is in a problem, combustion and explosion can be caused once the internal failure occurs, and if the combustion and explosion occur, the surrounding personnel can be injured, and even the life is endangered; and also causes environmental damage.
For example, the utility model discloses an explosion-proof protection architecture for lithium cell that CN210866325U proposed, which comprises a housin, pay off groove, fixed slot and lithium cell, casing openly top is provided with the pay off groove, the casing left and right sides all is provided with two and has the fixed slot, the inside lithium cell that is provided with of casing, shells inner wall closely laminates there is the fibre web, the casing outside closely laminates there is the protective sheath, the lithium cell all closely laminates with the flame retardant coating all around with the lower surface, casing top swing joint has the apron, the apron bottom is provided with the sealing frame, the apron bottom is through bolt fixed mounting there being reinforcement frame, the apron left and right sides all is provided with the spacing groove, the sealing frame is rectangular shape, sealing frame lower surface closely laminates there is the rubber layer.
The scheme can prevent secondary damage to the periphery caused by explosion of the lithium battery; however, the applicant finds that the above scheme does not prevent explosion of the lithium battery, the better sealing performance can directly lead to poor heat dissipation effect of the lithium battery, resulting in high-temperature explosion, and when the lithium battery is charged and discharged, if the temperature is too high, the lithium battery also has the danger of explosion, and meanwhile, the impact force generated by explosion can directly impact the shell and the cover plate, so that the overall structural safety is reduced.
Disclosure of Invention
To above-mentioned problem, the application provides a lithium cell explosion-proof protection architecture.
In order to achieve the above purpose, the present application provides the following technical solutions: the lithium battery explosion-proof protection structure comprises a box body, wherein a base plate is arranged at the bottom of the box body, a lithium battery body is arranged on the base plate, and a buffer mechanism is arranged between the periphery of the lithium battery body and the inner side of the box body;
two mounting openings are formed in the box body, two bendable wires are fixedly connected to the lithium battery body, the free ends of the wires are provided with sockets which are sleeved in the mounting openings in a sliding mode, and a driving mechanism is arranged in the box body and drives the sockets to slide in the mounting openings through the driving mechanism.
Preferably, the buffer mechanism comprises four groups of elastic pieces fixedly connected to the inner side of the box body, each group of elastic pieces is composed of four rubber columns, a buffer plate attached to the lithium battery body is fixedly connected to the elastic pieces, and a wiring port is formed in the buffer plate, which is close to the driving mechanism.
Preferably, the buffer board opposite side is all fixedly connected with a plurality of fin, set up two relative vents on the box, be provided with the filter screen in the vent, one of them be provided with the cover body in the vent, be provided with the fan in the cover body and be located the filter screen in the place ahead of fan, another also be provided with the filter screen in the vent.
Preferably, the cover body is fixedly connected with a PLC controller and a warning lamp electrically connected with the PLC controller, a temperature sensor electrically connected with the PLC controller is arranged in the box body, and the PLC controller is used for controlling the driving mechanism to drive the socket to slide in the mounting port.
Preferably, the driving mechanism comprises an electromagnet electrically connected with the PLC, a lantern ring is fixedly sleeved on the outer ring of the socket, a connecting rod is fixedly connected between the lantern rings, an iron sheet is fixedly connected to one side of the connecting rod, which is close to the electromagnet, two reset springs are fixedly connected to two sides of the iron sheet, and the free ends of the reset springs are fixedly connected with the inner wall of the box body.
Preferably, the top of box is through screw fixedly connected with top cap, the both sides fixedly connected with of top cap is the stiffener of L type, the bottom of box with the laminating of the top of the horizontal branch of stiffener.
In summary, the utility model has the technical effects and advantages that:
the utility model can block the force generated by explosion, so that the whole structure is safer, and simultaneously, when the lithium battery body generates high temperature due to charge and discharge, the charging port and the discharging port of the lithium battery body are disconnected, thereby avoiding explosion caused by continuous temperature rise, having good heat dissipation effect and further avoiding explosion caused by high temperature.
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 required in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, 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 perspective view of an explosion-proof protection structure of a lithium battery.
Fig. 2 is a schematic diagram of the internal structure of the case.
Fig. 3 is an enlarged schematic view of the structure of fig. 2 a according to the present utility model.
Fig. 4 is a schematic sectional structure of the case.
Fig. 5 is a schematic view of the structure of the top cover.
In the figure: 1. a case; 101. a mounting port; 102. a vent; 2. a socket; 3. a filter screen; 4. a top cover; 401. a reinforcing rod; 5. a temperature sensor; 6. a lithium battery body; 7. a warning light; 8. a PLC controller; 9. a cover body; 10. an elastic member; 11. a buffer plate; 1101. a wiring port; 12. a collar; 13. an electromagnet; 14. a return spring; 15. iron sheet; 16. a connecting rod; 17. a wire; 18. a heat sink; 19. a fan; 20. a backing plate.
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: 1-5, including box 1, the bottom of box 1 is provided with backing plate 20, and lithium cell body 6 sets up on backing plate 20, and in this embodiment, the material of backing plate 20 is copper aluminum alloy, and copper aluminum alloy heat conductivity is high, is favorable to lithium cell body 6 heat dissipation, is provided with buffer gear between lithium cell body 6 periphery and the box 1 inboard, blocks the power that the explosion produced for overall structure is safer;
as shown in fig. 2 and 3, two mounting ports 101 are formed in the case 1, two bendable wires 17 are fixedly connected to the lithium battery body 6, a socket 2 which is sleeved in the mounting port 101 in a sliding manner is arranged at the free end of each wire 17, and a driving mechanism is arranged in the case 1 and drives the socket 2 to slide in the mounting port 101 through the driving mechanism.
When the lithium battery body 6 needs to be charged and discharged, the plug is inserted into the socket 2, and the plug and the socket 2 are both in the prior art, and the details are not repeated here.
When the lithium battery body 6 generates high temperature due to charge and discharge, the driving mechanism drives the socket 2 to slide in the mounting port 101, so that the plug is separated from the socket 2, and the charging port and the discharging port of the lithium battery body 6 are disconnected, thereby avoiding explosion caused by continuous temperature rise.
To ensure that the socket 2 can be separated from the plug, the plug can be fixed outside the case 1.
In order to block the force generated by explosion, as shown in fig. 2 and 4, the buffer mechanism comprises four groups of elastic members 10 fixedly connected to the inner side of the box body 1, each group of elastic members 10 is composed of four rubber columns, a buffer plate 11 attached to the lithium battery body 6 is fixedly connected to the elastic members 10, and a wiring port 1101 is formed in the buffer plate 11 close to the driving mechanism.
Through the deformation of rubber column, the power that slowly-releasing explosion produced, and then blockked the power that produces the explosion for whole structure is safer, and rubber column is higher than the spring simultaneously, and the security is higher.
As shown in fig. 1 and fig. 4, the other side of the buffer plate 11 is fixedly connected with a plurality of cooling fins 18, two opposite ventilation openings 102 are formed in the box 1, a filter screen 3 is arranged in one ventilation opening 102, a cover 9 is arranged in one ventilation opening 102, a fan 19 and the filter screen 3 positioned in front of the fan 19 are arranged in the cover 9, and the filter screen 3 is also arranged in the other ventilation opening 102.
The fan 19 is started, so that the air flow in the box body 1 starts to flow, and exchanges with the external air flow through the ventilation opening 102 to cool the lithium battery body 6, thereby avoiding high-temperature air-entraining explosion; dust in the air flow is filtered by the filter screen 3.
As shown in fig. 2, a PLC controller 8 and a warning lamp 7 electrically connected to the PLC controller 8 are fixedly connected to the cover 9, a temperature sensor 5 electrically connected to the PLC controller 8 is disposed in the box 1, and the PLC controller 8 controls the driving mechanism with the socket 2 to slide in the mounting port 101.
The temperature sensor 5 monitors the temperature of the lithium battery body 6 in real time and transmits a temperature signal to the PLC 8, when the lithium battery body 6 generates high temperature due to charging and discharging, if the temperature is higher than a preset threshold value in the PLC 8, the PLC 8 controls the driving mechanism to drive the socket 2 to slide in the mounting port 101, so that the plug is separated from the socket 2, and further the charging port and the discharging port of the lithium battery body 6 are disconnected, and explosion caused by continuous rising of the temperature is avoided.
The driving mechanism comprises an electromagnet 13 electrically connected with the PLC 8, lantern rings 12 are fixedly sleeved on the outer rings of the two sockets 2, a connecting rod 16 is fixedly connected between the two lantern rings 12, an iron sheet 15 is fixedly connected to one side of the connecting rod 16, which is close to the electromagnet 13, two reset springs 14 positioned on two sides of the iron sheet 15 are fixedly connected, and the free ends of the reset springs 14 are fixedly connected with the inner wall of the box body 1.
If the temperature is higher than the preset threshold value in the PLC 8, the electromagnet 13 is controlled to be powered off through the PLC 8, and under the action of the reset spring 14, the socket 2 is driven to slide in the mounting port 101, so that the socket 2 is separated from the plug, and further the charging port and the discharging port of the lithium battery body 6 are disconnected, and explosion caused by continuous temperature rising is avoided.
As shown in fig. 1 and 5, the top of the box 1 is fixedly connected with a top cover 4 through screws, two sides of the top cover 4 are fixedly connected with reinforcing rods 401 in an L shape, the bottom of the box 1 is attached to the tops of the transverse struts of the reinforcing rods 401, so that the top cover 4 is combined with the box 1 more tightly, fragments generated by explosion are reduced, and meanwhile, gaps exist at the bottom of the box 1, so that the box 1 can dissipate heat better, and the short circuit of the lithium battery body 6 caused by the wetting of the box 1 can be avoided.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model 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 described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.
Claims (6)
1. The utility model provides an explosion-proof protection architecture of lithium cell, includes box (1), its characterized in that: a base plate (20) is arranged at the bottom of the box body (1), a lithium battery body (6) is arranged on the base plate (20), and a buffer mechanism is arranged between the periphery of the lithium battery body (6) and the inner side of the box body (1);
two mounting ports (101) are formed in the box body (1), two bendable wires (17) are fixedly connected to the lithium battery body (6), the free ends of the wires (17) are provided with sockets (2) which are sleeved in the mounting ports (101) in a sliding mode, driving mechanisms are arranged in the box body (1), and the sockets (2) are driven to slide in the mounting ports (101) through the driving mechanisms.
2. The lithium battery explosion-proof protection structure according to claim 1, wherein: the buffer mechanism comprises four groups of elastic pieces (10) fixedly connected to the inner side of the box body (1), each group of elastic pieces (10) is composed of four rubber columns, a buffer plate (11) attached to the lithium battery body (6) is fixedly connected to the elastic pieces (10), and a wiring port (1101) is formed in the buffer plate (11) close to the driving mechanism.
3. The lithium battery explosion-proof protection structure according to claim 2, wherein: the buffer board (11) opposite side all fixedly connected with a plurality of fin (18), set up two relative vent (102) on box (1), be provided with filter screen (3) in vent (102), one of them be provided with in vent (102) cover body (9), be provided with fan (19) and be located in cover body (9) filter screen (3) in the place ahead of fan (19), another also be provided with filter screen (3) in vent (102).
4. The lithium battery explosion-proof protection structure according to claim 3, wherein: the novel socket is characterized in that a PLC (programmable logic controller) controller (8) and a warning lamp (7) electrically connected with the PLC controller (8) are fixedly connected to the cover body (9), a temperature sensor (5) electrically connected with the PLC controller (8) is arranged in the box body (1), and the PLC controller (8) is used for controlling the driving mechanism to take the socket (2) to slide in the mounting opening (101).
5. The explosion-proof protection structure for lithium battery according to claim 4, wherein: the driving mechanism comprises electromagnets (13) electrically connected with the PLC (8), a lantern ring (12) is fixedly sleeved on the outer ring of the socket (2), a connecting rod (16) is fixedly connected between the lantern rings (12), one side of the connecting rod (16) close to the electromagnets (13) is fixedly connected with iron sheets (15), two reset springs (14) positioned on two sides of each iron sheet (15) are fixedly connected, and the free ends of the reset springs (14) are fixedly connected with the inner wall of the box body (1).
6. The lithium battery explosion-proof protection structure according to claim 1, wherein: the top of box (1) is through screw fixedly connected with top cap (4), the both sides fixedly connected with of top cap (4) are reinforcing rod (401) of L type, the bottom of box (1) with the laminating of the top of reinforcing rod (401) horizontal branch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320915039.0U CN220456606U (en) | 2023-04-21 | 2023-04-21 | Explosion-proof protection architecture of lithium cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320915039.0U CN220456606U (en) | 2023-04-21 | 2023-04-21 | Explosion-proof protection architecture of lithium cell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220456606U true CN220456606U (en) | 2024-02-06 |
Family
ID=89728183
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320915039.0U Active CN220456606U (en) | 2023-04-21 | 2023-04-21 | Explosion-proof protection architecture of lithium cell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220456606U (en) |
-
2023
- 2023-04-21 CN CN202320915039.0U patent/CN220456606U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |