CN216055058U - Lithium battery with anti-explosion structure - Google Patents
Lithium battery with anti-explosion structure Download PDFInfo
- Publication number
- CN216055058U CN216055058U CN202122166590.3U CN202122166590U CN216055058U CN 216055058 U CN216055058 U CN 216055058U CN 202122166590 U CN202122166590 U CN 202122166590U CN 216055058 U CN216055058 U CN 216055058U
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- China
- Prior art keywords
- explosion
- lithium battery
- proof
- supporting rod
- container bag
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- 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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- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 67
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 61
- 238000004880 explosion Methods 0.000 title claims abstract description 39
- 230000017525 heat dissipation Effects 0.000 claims abstract description 15
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 14
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 14
- 238000003825 pressing Methods 0.000 claims abstract description 13
- 238000007789 sealing Methods 0.000 claims abstract description 12
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 8
- 239000003063 flame retardant Substances 0.000 claims description 17
- 239000000463 material Substances 0.000 claims description 17
- 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 group 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 claims description 14
- 239000000779 smoke Substances 0.000 claims description 11
- 230000000903 blocking effect Effects 0.000 claims description 6
- 239000012528 membrane Substances 0.000 claims description 5
- 238000009434 installation Methods 0.000 abstract description 6
- 239000004411 aluminium Substances 0.000 abstract description 2
- 238000005474 detonation Methods 0.000 abstract 1
- 238000002485 combustion reaction Methods 0.000 description 6
- 230000002269 spontaneous effect Effects 0.000 description 6
- 239000007788 liquid Substances 0.000 description 3
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 150000002641 lithium Chemical class 0.000 description 2
- 229910001416 lithium ion Inorganic materials 0.000 description 2
- 229910000733 Li alloy Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000001989 lithium alloy Substances 0.000 description 1
- 239000007773 negative electrode material Substances 0.000 description 1
- 239000011255 nonaqueous electrolyte Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Images
Classifications
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- 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
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- Battery Mounting, Suspending (AREA)
Abstract
The utility model discloses a lithium battery with an anti-explosion structure, which comprises a structure main body and a spring, wherein an aluminum sealing layer is arranged at the upper end of the structure main body, an anti-explosion cover is arranged at the upper end of the aluminum sealing layer, an electrode is arranged at the upper end of the anti-explosion cover, a power failure instrument is arranged at the left end of the electrode, the lithium battery is arranged at the lower end of the anti-explosion cover, a heat dissipation layer is arranged at the lower end of the lithium battery, a sliding assembly used for extruding a container bag is arranged at the lower end of the heat dissipation layer, the sliding assembly comprises a first supporting rod, a first sliding block and a first guide rail, the first sliding block is arranged at one side of the first supporting rod, the first guide rail is arranged at one side of the first sliding block, and a pressing device is arranged at the lower end of the first supporting rod. This lithium cell that possesses anti-detonation structure adopts the setting of aluminium seal can derive the partial heat that the lithium cell gived off, reduces the probability of explosion, and the installation on fire extinguishing agent layer can in time put out when the lithium cell takes place to burn, prevents that the conflagration from spreading and expanding.
Description
Technical Field
The utility model relates to the technical field of explosion prevention, in particular to a lithium battery with an explosion-proof structure.
Background
The lithium battery is a primary battery which takes lithium metal or lithium alloy as a negative electrode material and uses a non-aqueous electrolyte solution, is different from a rechargeable battery, namely a lithium ion battery and a lithium ion polymer battery, and has very high requirements on the environment for processing, storage and use of the lithium metal due to the very active chemical characteristics of the lithium metal, and safety accidents, such as explosion and fire, can occur if the lithium metal is not used properly.
Lithium batteries in the market have a poor heat dissipation explosion-proof structure, and heat can not be dissipated when the temperature is too high, so that the lithium batteries expand and explode.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to a lithium battery having an anti-explosion structure, so as to solve the problems of the related art.
In order to achieve the purpose, the utility model provides the following technical scheme: a lithium battery with an anti-explosion structure comprises a structure main body and a spring, wherein an aluminum sealing layer is arranged at the upper end of the structure main body, an anti-explosion cover is installed at the upper end of the aluminum sealing layer, an electrode is arranged at the upper end of the anti-explosion cover, a power failure instrument is installed at the left end of the electrode, a lithium battery is arranged at the lower end of the anti-explosion cover, a heat dissipation layer is installed at the lower end of the lithium battery, a sliding assembly used for extruding a container bag is arranged at the lower end of the heat dissipation layer and comprises a first supporting rod, a first sliding block and a first guide rail, the first sliding block is installed at one side of the first supporting rod, a first guide rail is arranged at one side of the first sliding block, a pressing device is installed at the lower end of the first supporting rod, the spring is located on the surface of the pressing device, guide pipes are arranged at two sides of the pressing device, the container bag is installed at the lower end of the guide pipe, and flame-retardant materials are arranged in the container bag, the rubber pad is installed to the lower extreme of container bag, the both sides of lithium cell are provided with the explosion-proof pipe, and the surface mounting of explosion-proof pipe has the through-hole.
Preferably, the lithium battery is closely attached to the first supporting rod, and the lithium battery is coincided with the central axis of the heat dissipation layer.
Preferably, the container bag is tightly attached to the flame-retardant material, and the shape of the container bag is oval.
Preferably, the explosion-proof pipe is welded on the structure body, and the through holes are distributed at equal intervals relative to the surface of the explosion-proof pipe.
Preferably, the both sides of outage appearance are provided with the recess, and block up piece sliding connection in the recess, the lower extreme of stifled piece is provided with the second bracing piece, and the lower extreme of second bracing piece installs the rupture membrane, one side of second bracing piece is provided with the second slider, and one side of second slider installs the second guide rail.
Preferably, the upper end of lithium cell is provided with smoke transducer, and smoke transducer's right-hand member installs the dead lever, the upper end of dead lever is provided with the pulley, and one side of pulley installs the slide rail, the right side upper end of dead lever is provided with the magnet, and the lower extreme of magnet installs the screw, the right-hand member of screw is provided with the fire extinguishing agent layer.
Preferably, the fixing rod is slidably connected to the slide rail, and the screws are equidistantly distributed about the surface of the fixing rod.
The utility model provides a lithium battery with an anti-explosion structure, which has the following beneficial effects: this lithium cell that possesses explosion-proof structure adopts the partial heat that can give off the lithium cell in setting up of aluminium sealing layer to derive, reduces the probability of explosion, and the installation on fire extinguishing agent layer can in time put out when the lithium cell takes place to burn, prevents that the conflagration from stretching and enlarging.
1. The lithium battery can lead out partial heat emitted by the lithium battery through the arrangement of the aluminum sealing layer, so that the explosion probability is reduced, the gas can be discharged out of the main body due to the arrangement of the explosion-proof cover and the groove, the explosion phenomenon caused by overlarge internal pressure is prevented, the power-off instrument can be powered off in time when an emergency occurs, other objects are prevented from being damaged, and the heat energy emitted by the lithium battery can be absorbed and conducted due to the arrangement of the heat dissipation layer, so that a certain cooling effect is achieved.
2. According to the utility model, through the arrangement of the sliding assembly and the pressing device, the container bag can be conveniently and automatically extruded, the installation of the flame-retardant material can prevent the lithium battery from spontaneous combustion, and can also prevent flame from spreading to other elements, and the arrangement of the rubber pad can protect the container bag from being scratched, so that the problem that the flame-retardant material is leaked out and deteriorated and cannot be used is avoided.
3. According to the utility model, through the arrangement of the explosion-proof pipe and the through hole, the flame-retardant material can be fully dispersed at each position, the spontaneous combustion of the lithium battery can be effectively prevented, the explosion-proof performance of the explosion-proof cover can be enhanced through the installation of the explosion-proof film, the fire can be timely reminded and triggered to extinguish when spontaneous combustion occurs through the arrangement of the smoke sensor, the fire extinguishing agent layer can be timely extinguished when the lithium battery is combusted, and the fire spreading and expansion are prevented.
Drawings
Fig. 1 is a schematic diagram illustrating an overall structure of a lithium battery having an anti-explosion structure according to the present invention;
fig. 2 is an enlarged schematic structural diagram of a lithium battery with an anti-explosion structure shown in fig. 1 at a point a;
fig. 3 is a schematic side view of an internal structure of a lithium battery with an anti-explosion structure according to the present invention.
In the figure: 1. a structural body; 2. an aluminum seal layer; 3. an explosion-proof cover; 4. an electrode; 5. a power-off instrument; 6. a lithium battery; 7. a heat dissipation layer; 8. a sliding assembly; 801. a first support bar; 802. a first slider; 803. a first guide rail; 9. a pressing device; 10. a spring; 11. a conduit; 12. a container bag; 13. a flame-retardant material; 14. a rubber pad; 15. an explosion-proof tube; 16. a through hole; 17. a groove; 18. a plugging block; 19. a second support bar; 20. an explosion-proof membrane; 21. a second guide rail; 22. a second slider; 23. a smoke sensor; 24. fixing the rod; 25. a pulley; 26. a slide rail; 27. a magnet; 28. a fire suppressant layer; 29. and (4) screws.
Detailed Description
As shown in figure 1, a lithium battery with an anti-explosion structure comprises a structure body 1 and a spring 10, wherein an aluminum sealing layer 2 is arranged at the upper end of the structure body 1, an anti-explosion cover 3 is arranged at the upper end of the aluminum sealing layer 2, partial heat emitted by the lithium battery 6 can be derived through the arrangement of the aluminum sealing layer 2, the probability of explosion is reduced, the installation of the anti-explosion cover 3 and a groove 17 can enable gas to be discharged out of the structure body, the phenomenon that explosion occurs due to overlarge internal pressure is prevented, an electrode 4 is arranged at the upper end of the anti-explosion cover 3, a power failure instrument 5 is arranged at the left end of the electrode 4, the power failure instrument 5 can be powered off in time when emergency occurs, and other objects are prevented from being damaged, the lithium battery 6 is arranged at the lower end of the anti-explosion cover 3, a heat dissipation layer 7 is arranged at the lower end of the lithium battery 6, a sliding assembly 8 for extruding a container bag 12 is arranged at the lower end of the heat dissipation layer 7, and the sliding assembly 8 comprises a first supporting rod 801, A first sliding block 802 and a first guide rail 803, wherein the first sliding block 802 is installed on one side of a first supporting rod 801, the first guide rail 803 is arranged on one side of the first sliding block 802, a pressing device 9 is installed at the lower end of the first supporting rod 801, a spring 10 is positioned on the surface of the pressing device 9, a lithium battery 6 is tightly attached to the first supporting rod 801, the lithium battery 6 is overlapped with the central axis of a heat dissipation layer 7, a sliding assembly 8 and the pressing device 9 are arranged to facilitate automatic extrusion of a container bag 12, guide pipes 11 are arranged on two sides of the pressing device 9, a container bag 12 is installed at the lower end of the guide pipe 11, a flame-retardant material 13 is arranged inside the container bag 12, the container bag 12 is tightly attached to the flame-retardant material 13, the shape of the container bag 12 is oval, the flame-retardant material 13 is installed to prevent the lithium battery 6 from spontaneous combustion, and prevent flame from spreading to other elements, a rubber pad 14 is installed at the lower end of the container bag 12, lithium cell 6's both sides are provided with explosion-proof pipe 15, and explosion-proof pipe 15's surface mounting has through-hole 16, 15 welded connection of explosion-proof pipe is on main structure 1, and through-hole 16 is the equidistance distribution about explosion-proof pipe 15's surface, the setting of rubber pad 14 can protect container bag 12 not scratched, avoid making fire-retardant material 13 leak outward and the rotten unable problem of using, explosion-proof pipe 15 and through-hole 16's setting, can be abundant let fire-retardant material 13 disperse everywhere, can effectually prevent that lithium cell 6 from taking place the spontaneous combustion.
As shown in fig. 2-3, two sides of the power cut-off device 5 are provided with grooves 17, and the blocking block 18 is slidably connected in the grooves 17, the lower end of the blocking block 18 is provided with a second support rod 19, and the lower end of the second support rod 19 is provided with an explosion-proof membrane 20, one side of the second support rod 19 is provided with a second slider 22, and one side of the second slider 22 is provided with a second guide rail 21, the installation of the explosion-proof membrane 20 can enhance the explosion-proof performance of the explosion-proof cover 3, the upper end of the lithium battery 6 is provided with a smoke sensor 23, and the right end of the smoke sensor 23 is provided with a fixing rod 24, the upper end of the fixing rod 24 is provided with a pulley 25, and one side of the pulley 25 is provided with a slide rail 26, the right upper end of the fixing rod 24 is provided with a magnet 27, and the lower end of the magnet 27 is provided with a screw 29, the right end of the screw 29 is provided with a fire extinguishing agent layer 28, the fixing rod 24 is slidably connected on the slide rail 26, and the screws 29 are equidistantly distributed about the surface of the fixing rod 24, the smoke sensor 23 can remind and trigger fire extinguishing in time when spontaneous combustion occurs, and the fire extinguishing agent layer 28 can extinguish in time when the lithium battery 6 burns, so that fire spreading and expansion are prevented.
In summary, in the lithium battery with the anti-explosion structure, when in use, according to the structure shown in fig. 1-3, the anti-explosion cover 3 with the electrode 4 is connected with the structure body 1 through the aluminum sealing layer 2, after the connection, the lithium battery 6 generates a large amount of heat during long-time operation, at this time, the heat dissipation layer 7 absorbs the heat and then transmits the heat to the container bag 12 through the conduit 11, the flame retardant material 13 is solid, because the heat flame retardant material 13 becomes liquid, at this time, because of the gravity, the lithium battery 6 moves downwards in the first guide rail 803 through the first support rod 801 and the first slider 802 in the sliding assembly 8, then the presser 9 with the spring 10 is driven to press the container bag 12, so that the flame retardant material 13 which becomes liquid flows out of the container bag 12, and then the flame retardant material 13 which is liquid is separated and dropped around the lithium battery 6 through the anti-explosion tube 15 with the through hole 16, then, the gas reacts with the heat to generate a large amount of gas, because the gas in the structure body 1 is too much, the blocking block 18 in the groove 17 moves upwards in the second guide rail 21 through the second sliding block 22 of the second support rod 19, so that the gas is discharged from the groove 17 after the blocking block 18 rises, when the lithium battery 6 is spontaneously ignited, smoke is generated, the smoke sensor 23 gives an alarm, and meanwhile, the fixing rod 24 with the pulley 25 moves forwards in the sliding rail 26, and when a certain distance is reached, the screw 29 can rapidly puncture the fire extinguishing agent layer 28 to extinguish the fire due to the principle that the magnet 27 attracts oppositely, so that the fire is prevented from spreading.
Claims (7)
1. The lithium battery with the anti-explosion structure comprises a structure main body (1) and a spring (10), and is characterized in that an aluminum sealing layer (2) is arranged at the upper end of the structure main body (1), an anti-explosion cover (3) is installed at the upper end of the aluminum sealing layer (2), an electrode (4) is arranged at the upper end of the anti-explosion cover (3), a power failure instrument (5) is installed at the left end of the electrode (4), a lithium battery (6) is arranged at the lower end of the anti-explosion cover (3), a heat dissipation layer (7) is installed at the lower end of the lithium battery (6), a sliding assembly (8) used for extruding a container bag (12) is arranged at the lower end of the heat dissipation layer (7), the sliding assembly (8) comprises a first supporting rod (801), a first sliding block (802) and a first guide rail (803), the first sliding block (802) is installed at one side of the first supporting rod (801), and the first guide rail (803) is arranged at one side of the first sliding block (802), pressing device (9) are installed to the lower extreme of first bracing piece (801), spring (10) are located the surface of pressing device (9), the both sides of pressing device (9) are provided with pipe (11), and the lower extreme of pipe (11) installs container bag (12), the inside of container bag (12) is provided with fire-retardant material (13), rubber pad (14) are installed to the lower extreme of container bag (12), the both sides of lithium cell (6) are provided with explosion-proof pipe (15), and the surface mounting of explosion-proof pipe (15) has through-hole (16).
2. The lithium battery with the deflagration-proof structure as claimed in claim 1, wherein the lithium battery (6) is tightly attached to the first supporting rod (801), and the central axes of the lithium battery (6) and the heat dissipation layer (7) coincide with each other.
3. The lithium battery with the deflagration-proof structure as claimed in claim 1, wherein the container bag (12) is closely attached to the flame-retardant material (13), and the shape of the container bag (12) is an ellipse.
4. A lithium battery with an explosion proof structure according to claim 1, characterized in that the explosion proof tube (15) is welded to the structure body (1), and the through holes (16) are distributed equidistantly with respect to the surface of the explosion proof tube (15).
5. The lithium battery with the explosion-proof structure is characterized in that grooves (17) are formed in two sides of the power failure instrument (5), the blocking block (18) is slidably connected into the grooves (17), a second supporting rod (19) is arranged at the lower end of the blocking block (18), an explosion-proof membrane (20) is installed at the lower end of the second supporting rod (19), a second sliding block (22) is arranged on one side of the second supporting rod (19), and a second guide rail (21) is installed on one side of the second sliding block (22).
6. The lithium battery with the explosion-proof structure as recited in claim 1, wherein a smoke sensor (23) is arranged at the upper end of the lithium battery (6), a fixing rod (24) is installed at the right end of the smoke sensor (23), a pulley (25) is arranged at the upper end of the fixing rod (24), a sliding rail (26) is installed at one side of the pulley (25), a magnet (27) is arranged at the upper end of the right side of the fixing rod (24), a screw (29) is installed at the lower end of the magnet (27), and a fire extinguishing agent layer (28) is arranged at the right end of the screw (29).
7. The lithium battery with an anti-explosion structure as claimed in claim 6, wherein the fixing rod (24) is slidably connected to the sliding rail (26), and the screws (29) are equidistantly distributed about the surface of the fixing rod (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122166590.3U CN216055058U (en) | 2021-09-08 | 2021-09-08 | Lithium battery with anti-explosion structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122166590.3U CN216055058U (en) | 2021-09-08 | 2021-09-08 | Lithium battery with anti-explosion structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216055058U true CN216055058U (en) | 2022-03-15 |
Family
ID=80597892
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122166590.3U Expired - Fee Related CN216055058U (en) | 2021-09-08 | 2021-09-08 | Lithium battery with anti-explosion structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216055058U (en) |
-
2021
- 2021-09-08 CN CN202122166590.3U patent/CN216055058U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220315 |