CN115498355A - Lithium ion battery explosion-proof device and explosion-proof lithium ion battery - Google Patents
Lithium ion battery explosion-proof device and explosion-proof lithium ion battery Download PDFInfo
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- CN115498355A CN115498355A CN202211080056.3A CN202211080056A CN115498355A CN 115498355 A CN115498355 A CN 115498355A CN 202211080056 A CN202211080056 A CN 202211080056A CN 115498355 A CN115498355 A CN 115498355A
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- explosion
- ion battery
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- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims abstract description 115
- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 115
- 238000001816 cooling Methods 0.000 claims abstract description 52
- 239000007788 liquid Substances 0.000 claims abstract description 33
- 239000004033 plastic Substances 0.000 claims abstract description 21
- 229920003023 plastic Polymers 0.000 claims abstract description 21
- 230000017525 heat dissipation Effects 0.000 claims abstract description 11
- 238000004880 explosion Methods 0.000 claims abstract description 7
- 230000005540 biological transmission Effects 0.000 claims description 32
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 28
- 238000005086 pumping Methods 0.000 claims description 12
- 244000309464 bull Species 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims description 2
- 230000000712 assembly Effects 0.000 claims 1
- 238000000429 assembly Methods 0.000 claims 1
- 239000003792 electrolyte Substances 0.000 abstract description 14
- 239000000126 substance Substances 0.000 abstract description 5
- 239000002826 coolant Substances 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 239000000110 cooling liquid Substances 0.000 description 10
- 239000012528 membrane Substances 0.000 description 7
- 230000002269 spontaneous effect Effects 0.000 description 6
- 238000002485 combustion reaction Methods 0.000 description 4
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 239000002985 plastic film Substances 0.000 description 2
- 229920006255 plastic film Polymers 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000007086 side reaction Methods 0.000 description 1
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/30—Arrangements for facilitating escape of gases
- H01M50/35—Gas exhaust passages comprising elongated, tortuous or labyrinth-shaped exhaust passages
- H01M50/367—Internal gas exhaust passages forming part of the battery cover or case; Double cover vent systems
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
- H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/613—Cooling or keeping cold
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
- H01M10/6567—Liquids
- H01M10/6568—Liquids characterised by flow circuits, e.g. loops, located externally to the cells or cell casings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/202—Casings or frames around the primary casing of a single cell or a single battery
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/233—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions
- H01M50/242—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions adapted for protecting batteries against vibrations, collision impact or swelling
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/244—Secondary casings; Racks; Suspension devices; Carrying devices; Holders characterised by their mounting method
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/262—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders with fastening means, e.g. locks
- H01M50/264—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders with fastening means, e.g. locks for cells or batteries, e.g. straps, tie rods or peripheral frames
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/30—Arrangements for facilitating escape of gases
- H01M50/35—Gas exhaust passages comprising elongated, tortuous or labyrinth-shaped exhaust passages
- H01M50/358—External gas exhaust passages located on the battery cover or case
-
- 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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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
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- Engineering & Computer Science (AREA)
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- Materials Engineering (AREA)
- Hybrid Cells (AREA)
Abstract
The invention discloses an explosion-proof device of a lithium ion battery and the explosion-proof lithium ion battery, and relates to the technical field of lithium ion batteries. The lithium ion battery explosion-proof device and the explosion-proof lithium ion battery comprise a fixing frame, the explosion-proof lithium ion battery, an air leakage assembly, a limiting assembly, a driving mechanism and a heat dissipation mechanism, wherein the fixing frame comprises a frame shell and a guide rod. This lithium ion battery explosion-proof equipment and explosion-proof lithium ion battery, can avoid the interior pressure of battery to increase continuously, reduce the production of battery explosion, and the gas of leakage can loop through the exhaust hole, venthole and the inside of the hose entering collection air pocket of giving vent to anger, make and collect the air pocket and collect leaking gas and electrolyte, harmful substance in avoiding gas and the electrolyte produces the influence to environment and crowd on every side, can also carry the inside coolant liquid of cooler bin to the inboard of cooling shell, make the coolant liquid absorb the heat on battery surface through the plastics mantle, avoid explosion-proof lithium ion battery's temperature to increase continuously.
Description
Technical Field
The invention relates to the technical field of lithium ion batteries, in particular to an explosion-proof device of a lithium ion battery and the explosion-proof lithium ion battery.
Background
The lithium ion battery is a secondary battery (rechargeable battery), it mainly depends on the lithium ion to move between positive pole and negative pole to work, the lithium ion battery in the course of using, will take place serious side reaction, and often accompany a large amount of gas to produce, make the internal pressure of the battery increase rapidly, if the gas pressure in the battery reaches certain degree, will cause the lithium ion battery to explode, although some lithium ion batteries have explosion-proof valves, as the patent of application No. CN202110671306.X, release the pressure in the battery, reduce the emergence that the lithium ion battery explodes, but the explosion-proof valve is in the course of deflating the lithium ion battery, lead to gas and electrolyte to leak into the air easily, and gas and electrolyte have harmful substance, will influence the surrounding environment and crowd, therefore, invent a lithium ion battery explosion-proof device and explosion-proof lithium ion battery.
Disclosure of Invention
The invention aims to provide an explosion-proof device of a lithium ion battery and the explosion-proof lithium ion battery, which can solve the problem that gas and electrolyte are easy to leak into the air when an explosion-proof valve deflates the lithium ion battery.
In order to achieve the purpose, the invention provides the following technical scheme: a lithium ion battery explosion-proof device comprises a fixing frame, an explosion-proof lithium ion battery, an air leakage assembly, a limiting assembly, a driving mechanism and a heat dissipation mechanism, wherein the fixing frame comprises a frame shell and a guide rod, the guide rod is fixedly arranged at the top and the bottom of the frame shell, the explosion-proof lithium ion battery is arranged in the center of the fixing frame, the air leakage assembly is arranged at the front side of the explosion-proof lithium ion battery and comprises a battery cover plate, an outer shell, an inner shell, a push spring, a piston and an air outlet hose, the battery cover plate is fixedly arranged at the front side of the explosion-proof lithium ion battery, the outer shell and the inner shell are both fixedly arranged at the front side of the battery cover plate, the inner shell is positioned at the inner side of the outer shell, the push spring is fixedly arranged at the inner wall of the front side of the inner shell, the piston is slidably arranged in the inner shell, the rear side of the push spring and the front side of the piston are fixedly arranged, the air outlet hose is fixedly arranged at the front side of the outer shell, an air outlet hole is formed in the battery cover plate, the two sides of the inner shell are provided with air outlet holes, the bottom of the inner side of the frame shell is provided with a collecting air bag, one end of an air outlet hose is fixedly installed with the top of the collecting air bag, when the internal pressure of the explosion-proof lithium ion battery is rapidly increased to a certain degree, gas or electrolyte can be discharged out of the explosion-proof lithium ion battery through the air outlet holes, the continuous increase of the internal pressure of the explosion-proof lithium ion battery is avoided, the explosion of the explosion-proof lithium ion battery is reduced, the leaked gas can enter the collecting air bag through the air outlet holes, the air outlet holes and the air outlet hose in sequence, the collecting air bag collects the leaked gas and the electrolyte, the influence of harmful substances in the gas and the electrolyte on the surrounding environment and people is avoided, the limiting components are arranged at the top and the bottom of the explosion-proof lithium ion battery, the limiting components comprise clamping plates and L-shaped plate racks, and the L-shaped plate racks are fixedly installed with the clamping plates, splint slidable mounting is in the outer wall of guide bar, and actuating mechanism sets up on the frame shell, and actuating mechanism is used for ordering about splint and removes, and heat dissipation mechanism sets up on frame shell and splint, and heat dissipation mechanism is used for reducing explosion-proof lithium ion battery's temperature.
Preferably, splint have two, and L type grillage has eight to be rectangle symmetry and sets up on the adjacent lateral wall of two splint, and two splint all contact with explosion-proof lithium ion battery and battery apron.
Preferably, the driving mechanism comprises rotating rods, two rotating gears, a rack A, a rack B, transmission gears, a transmission toothed chain and a rotating handle, wherein the two rotating rods are rotatably arranged on the rear side of the frame shell, the two rotating gears are fixedly arranged on the outer walls of the two rotating rods respectively, the rack A is provided with two sliding devices which are arranged on one clamping plate, the rack B is provided with two sliding devices which are arranged on the other clamping plate, one rack A and the rack B are respectively meshed with one rotating gear, the other rack A and the rack B are respectively meshed with the other rotating gear, the transmission gears are respectively and fixedly arranged on the outer walls of the two rotating rods, the transmission toothed chain is sleeved on the two transmission gears, the two transmission gears are in transmission connection through the transmission toothed chain, the rotating handle is provided with two rotating rods which are respectively and fixedly arranged at the rear ends of the two rotating rods, the two clamping plates can be driven to move relatively, the clamping plates and the L-shaped plate frame limit the explosion-proof lithium ion battery, the shaking of the lithium ion battery is reduced, the damage of the explosion-proof lithium ion battery caused by shaking collision is reduced, and the service life of the explosion-proof lithium ion battery is prolonged.
Preferably, the rear side outer wall fixed mounting of frame shell has a machine box, and two bull sticks all rotate the installation with the rear side of machine box, and the top slidable mounting of machine box has T type bolt, and the bottom fixed mounting of T type bolt has the ratch, and the outer wall cover of T type bolt is equipped with the spring, and the both ends of spring all contact with machine box and ratch, all overlap on two bull sticks and be equipped with limit gear, and two limit gear all mesh with the ratch mutually.
Preferably, the heat dissipation mechanism comprises a cooling box, a cooling shell, a plastic soft membrane, a water pump, a liquid pumping pipe, a water outlet hose, a connecting hose and a backflow hose, the cooling box is fixedly installed at the top of the frame shell, the bottom of the cooling box is convexly arranged, two cooling shells are respectively and fixedly installed on two clamping plates, the plastic soft membrane is fixedly installed on the inner wall of the cooling shell, the water pump is fixedly installed on the outer wall of the top of the frame shell, the liquid pumping pipe is fixedly installed on the cooling box, the water outlet hose is fixedly installed on the top of the frame shell and one of the cooling shells, the output end and the input end of the water pump are respectively and fixedly installed with one end of the water outlet hose and one end of the liquid pumping pipe, the connecting hose is fixedly installed on the rear sides of the two cooling shells, the backflow hose is fixedly installed on the front side of the other cooling shell and the front side of the cooling box, the two plastic soft membranes are both in contact with the spontaneous combustion lithium ion battery cover plate, the cooling liquid in the cooling box can be conveyed to the inner side of the cooling shell, the cooling liquid can absorb the heat on the surface of the battery through the plastic soft membrane, the explosion-proof lithium ion battery, the temperature of the lithium ion battery is prevented from being continuously increased, the spontaneous combustion phenomenon caused by high temperature is further reduced, and the plastic soft membrane, and the plastic deformation of the battery can be changed according to the plastic soft membrane.
Preferably, the other ends of the rack A and the rack B are fixedly provided with limit blocks.
Preferably, one side of the cooling box is fixedly provided with a liquid inlet pipe and a liquid outlet pipe, and the liquid inlet pipe and the liquid outlet pipe are both provided with valves.
Preferably, two electrodes are fixedly mounted on the battery cover plate.
An explosion-proof lithium ion battery comprises the above explosion-proof device for the lithium ion battery.
Compared with the prior art, the invention has the beneficial effects that:
(1) This lithium ion battery explosion-proof equipment and explosion-proof lithium ion battery, pass through the battery apron, and a housing, the inner shell, push away the spring, a piston, the cooperation of the hose of giving vent to anger and collection air pocket is used, when explosion-proof lithium ion battery internal pressure increases to certain degree rapidly, can make gas or electrolyte can pass through the inside of exhaust vent discharge explosion-proof lithium ion battery, avoid explosion-proof lithium ion battery internal pressure to continue the increase, reduce the production of explosion-proof lithium ion battery explosion, and the gas of leaking can loop through the exhaust hole, venthole and the inside of the hose of giving vent to anger gets into the collection air pocket, make the collection air pocket collect the gas and the electrolyte of leaking, avoid the harmful substance in gas and the electrolyte to produce the influence to environment and crowd on every side.
(2) This lithium ion battery explosion-proof equipment and explosion-proof lithium ion battery, through the cooler bin, the cooling shell, the plastics mantle, the water pump, the liquid suction pipe, go out the water hose, coupling hose and backflow hose's cooperation is used, can carry the coolant liquid of cooler bin inside to the inboard of cooling shell, make the coolant liquid absorb the heat on battery surface through the plastics mantle, avoid explosion-proof lithium ion battery's temperature to last the increase, further reduce lithium ion battery and produce spontaneous combustion spontaneous explosion phenomenon because of high temperature, and through the plastics mantle, can also change the size of plastics mantle according to the deformation of battery swell.
(3) This lithium ion battery explosion-proof equipment and explosion-proof lithium ion battery, through splint, L type grillage, the bull stick, the rotating gear, rack A, rack B, drive gear, the transmission toothed chain, the cooperation of rotating handle and stopper is used, can order about two splint and carry out relative motion, make splint and L type grillage carry on spacingly to explosion-proof lithium ion battery, reduce rocking of explosion-proof lithium ion battery, reduce explosion-proof lithium ion battery because rock the damage that the collision produced, prolong explosion-proof lithium ion battery's life, through T type bolt, a spring, the cooperation of limit gear and pinion is used, can carry on spacingly to the bull stick, avoid the bull stick to take place to rotate and order about two splint to separate.
Drawings
The invention is further illustrated with reference to the following figures and examples:
FIG. 1 is a cross-sectional view of the present invention;
FIG. 2 is a rear cross-sectional view of the housing of the present invention;
FIG. 3 is a top cross-sectional view of the inner shell of the present invention;
FIG. 4 is an enlarged view of portion A of the present invention;
FIG. 5 is a front view of the present invention;
fig. 6 is a rear view of the present invention.
Reference numerals: 1. a frame case; 2. an explosion-proof lithium ion battery; 3. a battery cover plate; 4. a splint; 5. an L-shaped plate frame; 6. a rotating rod; 7. a rotating gear; 8. a rack A; 9. a rack B; 10. a transmission gear; 11. a transmission gear chain; 12. rotating the handle; 13. a limiting block; 14. a case; 15. a T-shaped bolt; 16. a spring; 17. a limit gear; 18. an electrode; 19. a housing; 20. an inner shell; 21. pushing a spring; 22. a piston; 23. an air outlet hose; 24. collecting the air bag; 25. a cooling tank; 26. a liquid inlet pipe; 27. a liquid discharge pipe; 28. cooling the shell; 29. a plastic soft film; 30. a water pump; 31. a liquid pumping pipe; 32. a water outlet hose; 33. a connecting hose; 34. a return hose; 35. a guide rod.
Detailed Description
Reference will now be made in detail to the present preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to like elements throughout.
Referring to fig. 1-6, the present invention provides a technical solution: a lithium ion battery explosion-proof device comprises a fixing frame, an explosion-proof lithium ion battery 2, an air release assembly, a limiting assembly, a driving mechanism and a heat dissipation mechanism, wherein the fixing frame comprises a frame shell 1 and a guide rod 35, the guide rod 35 is fixedly arranged at the top and the bottom of the frame shell 1, the explosion-proof lithium ion battery 2 is arranged in the center of the fixing frame, the air release assembly is arranged at the front side of the explosion-proof lithium ion battery 2 and comprises a battery cover plate 3, an outer shell 19, an inner shell 20, a push spring 21, a piston 22 and an air outlet hose 23, the battery cover plate 3 is fixedly arranged at the front side of the explosion-proof lithium ion battery 2, the outer shell 19 and the inner shell 20 are both fixedly arranged at the front side of the battery cover plate 3, the inner shell 20 is positioned at the inner side of the outer shell 19, the push spring 21 is fixedly arranged at the inner wall of the front side of the inner shell 20, the piston 22 is slidably arranged in the inner shell 20, the rear side of the push spring 21 is fixedly arranged with the front side of the piston 22, the air outlet hose 23 is fixedly arranged on the front side of the outer shell 19, the battery cover plate 3 is provided with an air outlet hole, the two sides of the inner shell 20 are provided with air outlet holes, the bottom of the inner side of the frame shell 1 is provided with a collecting air bag 24, one end of the air outlet hose 23 is fixedly arranged with the top of the collecting air bag 24, when the explosion-proof lithium ion battery 2 generates gas, the internal air pressure of the explosion-proof lithium ion battery 2 can push the piston 22 and the push spring 21, when the internal pressure of the explosion-proof lithium ion battery 2 is increased to a certain degree, gas or electrolyte can be discharged out of the interior of the explosion-proof lithium ion battery 2 through the air outlet hole, the continuous increase of the internal pressure of the explosion-proof lithium ion battery 2 is avoided, the explosion of the explosion-proof lithium ion battery 2 is reduced, the leaked gas can enter the interior of the collecting air bag 24 through the air outlet hole, the air outlet hole and the air outlet hose 23 in sequence, and the leaked gas and electrolyte can be collected by the collecting air bag 24, avoid the harmful substance in gas and the electrolyte to exert an influence on environment and crowd around, spacing subassembly sets up in explosion-proof lithium ion battery 2's top and bottom, spacing subassembly includes splint 4 and L type grillage 5,L type grillage 5 and splint 4 fixed mounting, splint 4 slidable mounting is in the outer wall of guide bar 35, actuating mechanism sets up on framed shell 1, actuating mechanism is used for ordering about splint 4 to remove, heat dissipation mechanism sets up on framed shell 1 and splint 4, heat dissipation mechanism is used for reducing explosion-proof lithium ion battery 2's temperature.
Further, splint 4 have two, and L type grillage 5 has eight to be rectangle symmetry and sets up on the adjacent lateral wall of two splint 4, and two splint 4 all contact with explosion-proof lithium ion battery 2 and battery apron 3.
Further, the driving mechanism comprises a rotating rod 6, a rotating gear 7, a rack A8, a rack B9, a transmission gear 10, a transmission gear chain 11 and a rotating handle 12, two rotating rods 6 are both rotatably installed at the rear side of the frame shell 1, two rotating gears 7 are respectively and fixedly installed on the outer walls of the two rotating rods 6, two racks A8 are slidably installed on one clamping plate 4, two racks B9 are slidably installed on the other clamping plate 4, one rack A8 and one rack B9 are both meshed with one rotating gear 7, the other rack A8 and the other rack B9 are both meshed with the other rotating gear 7, two transmission gears 10 are respectively and fixedly installed on the outer walls of the two rotating rods 6, the transmission gear chain 11 is sleeved on the two transmission gears 10, the two transmission gears 10 are in transmission connection through the transmission gear chain 11, the rotating handle 12 is provided with two racks B9 which are respectively and fixedly installed at the rear ends of the two rotating rods 6, the rotating handle 12 is manually twisted to enable the rotating handle 12 to drive the rotating rods 6, the transmission gear 10 and the rotating gear 7 to collide with the rotating gear 6, the rotating gear 7, the lithium ion battery can reduce damage caused by the lithium ion battery, and the lithium ion battery can shake the lithium ion battery, and the lithium battery, the lithium battery can be prevented from shaking caused by the lithium ion battery from shaking caused by the rotating rack B2.
Still further, the machine box 14 is fixedly installed on the outer wall of the rear side of the frame shell 1, the two rotating rods 6 are rotatably installed on the rear side of the machine box 14, the T-shaped bolt 15 is slidably installed on the top of the machine box 14, the toothed bar is fixedly installed at the bottom of the T-shaped bolt 15, the spring 16 is sleeved on the outer wall of the T-shaped bolt 15, two ends of the spring 16 are both in contact with the machine box 14 and the toothed bar, the two rotating rods 6 are both sleeved with the limiting gears 17, and the two limiting gears 17 are both meshed with the toothed bar.
Secondly, the heat dissipation mechanism comprises a cooling box 25, a cooling shell 28, plastic soft films 29, a water pump 30, a liquid pumping pipe 31, a water outlet hose 32, a connecting hose 33 and a backflow hose 34, the cooling box 25 is fixedly arranged at the top of the frame shell 1, the bottom of the cooling box 25 is convexly arranged, two cooling shells 28 are respectively and fixedly arranged on two clamping plates 4, the plastic soft films 29 are fixedly arranged on the inner wall of the cooling shell 28, the water pump 30 is fixedly arranged on the outer wall of the top of the frame shell 1, the liquid pumping pipe 31 is fixedly arranged on the cooling box 25, the water outlet hose 32 is fixedly arranged on the top of the frame shell 1 and one cooling shell 28, the output end and the input end of the water pump 30 are respectively and fixedly arranged with one end of the water outlet hose 32 and one end of the liquid pumping pipe 31, the connecting hose 33 is fixedly arranged on the rear sides of the two cooling shells 28, the backflow hose 34 is fixedly arranged on the front side of the other cooling shell 28 and the front side of the cooling box 25, the two plastic soft films 29 are both contacted with the explosion-proof lithium ion battery 2 and the battery cover plate 3, and the cooling liquid is conveyed to the inside of the cooling box 25 through a liquid inlet pipe 26, the water pump 30 is started by the remote controller, the water pump 30 pumps the cooling liquid through the liquid pumping pipe 31, the cooling liquid sequentially passes through the water outlet hose 32, one of the cooling shells 28, the connecting hose 33, the other cooling shell 28 and the plastic soft film 29 and then enters the cooling box 25 again, when the cooling liquid passes through the two cooling shells 28, the heat of the explosion-proof lithium ion battery 2 is absorbed through the plastic soft film 29, the temperature of the explosion-proof lithium ion battery 2 is reduced, the continuous increase of the temperature of the explosion-proof lithium ion battery 2 is avoided, the spontaneous combustion and spontaneous explosion phenomena of the lithium ion battery due to high temperature are further reduced, and the size of the plastic film 29 can be changed according to the deformation of the battery bulge through the plastic film 29.
Still further, the other ends of the rack A8 and the rack B9 are both fixedly provided with a limiting block 13, one side of the cooling box 25 is fixedly provided with a liquid inlet pipe 26 and a liquid outlet pipe 27, both the liquid inlet pipe 26 and the liquid outlet pipe 27 are provided with valves, and the battery cover plate 3 is fixedly provided with two electrodes 18.
An explosion-proof lithium ion battery comprises the explosion-proof device for the lithium ion battery.
The working principle is as follows: placing an explosion-proof lithium ion battery 2 on the top of a clamping plate 4, enabling the explosion-proof lithium ion battery 2 to be located between four L-shaped plate frames 5, enabling a rotating handle 12 to be manually twisted to rotate, enabling the rotating handle 12 to drive a rotating rod 6, a transmission gear 10 and a rotating gear 7 to rotate, enabling the transmission gear 10 to drive another transmission gear 10 through a transmission toothed chain 11, the rotating rod 6 and the rotating gear 7 to rotate, enabling the two racks A8, the rack B9 and the clamping plate 4 to move relatively through the rotation of the two rotating gears 7, limiting and fixing the explosion-proof lithium ion battery 2 placed on the top of the clamping plate 4, conveying cooling liquid to the inside of a cooling box 25 through a liquid inlet pipe 26, starting a water pump 30 through a remote controller, enabling the water pump 30 to pump the cooling liquid through a liquid pumping pipe 31, enabling the cooling liquid to sequentially pass through a water outlet hose 32, one of the cooling shells 28, a connecting hose 33, the other cooling shell 28 and a plastic soft membrane 29 to enter the inside of the cooling box 25 again, enabling the cooling liquid to pass through two cooling shells 28, enabling the gas outlet of the explosion-proof lithium ion battery 2 to be communicated with a gas collecting spring 21, enabling the gas outlet to be sequentially communicated with a gas collecting gas outlet of the lithium ion battery 2, and enabling the gas collecting spring to be communicated with the gas of the gas collecting chamber 22.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.
Claims (9)
1. An explosion-proof device for a lithium ion battery, comprising:
the fixing frame comprises a frame shell (1) and guide rods (35), wherein the guide rods (35) are fixedly arranged at the top and the bottom of the frame shell (1);
the explosion-proof lithium ion battery (2) is arranged in the center of the fixing frame;
the air leakage component is arranged on the front side of the explosion-proof lithium ion battery (2), the air leakage component comprises a battery cover plate (3), an outer shell (19), an inner shell (20), a push spring (21), a piston (22) and an air outlet hose (23), the battery cover plate (3) is fixedly arranged on the front side of the explosion-proof lithium ion battery (2), the outer shell (19) and the inner shell (20) are fixedly arranged on the front side of the battery cover plate (3), the inner shell (20) is positioned on the inner side of the outer shell (19), the push spring (21) is fixedly arranged on the inner wall of the front side of the inner shell (20), the piston (22) is slidably arranged in the inner shell (20), the rear side of the push spring (21) and the front side of the piston (22) are fixedly arranged, the air outlet hose (23) is fixedly arranged on the front side of the outer shell (19), an air exhaust hole is formed in the battery cover plate (3), air outlet holes are formed in two sides of the inner shell (20), a collecting air bag (24) is placed at the bottom of the inner side of the frame shell (1), and one end of the air outlet hose (23) is fixedly arranged on the top of the collecting air bag (24);
the limiting assemblies are arranged at the top and the bottom of the explosion-proof lithium ion battery (2) and comprise clamping plates (4) and L-shaped plate frames (5), the L-shaped plate frames (5) and the clamping plates (4) are fixedly installed, and the clamping plates (4) are installed on the outer wall of the guide rod (35) in a sliding mode;
the driving mechanism is arranged on the frame shell (1) and is used for driving the clamping plate (4) to move;
and the heat dissipation mechanism is arranged on the frame shell (1) and the clamping plate (4) and is used for reducing the temperature of the explosion-proof lithium ion battery (2).
2. The lithium ion battery explosion-proof device of claim 1, wherein: splint (4) have two, and L type grillage (5) have eight to be the rectangle symmetry and set up on the adjacent lateral wall of two splint (4), and two splint (4) all contact with explosion-proof lithium ion battery (2) and battery apron (3).
3. The lithium ion battery explosion-proof device of claim 2, wherein: the driving mechanism comprises rotating rods (6), rotating gears (7), racks A (8), racks B (9), transmission gears (10), transmission toothed chains (11) and a rotating handle (12), wherein the rotating rods (6) are provided with two rotating bodies which are installed on the rear side of the frame shell (1), the rotating gears (7) are fixedly installed on the outer walls of the two rotating rods (6) respectively, the racks A (8) are installed on one clamping plate (4) in a sliding mode, the racks B (9) are installed on the other clamping plate (4) in a sliding mode, one of the racks A (8) and the racks B (9) are meshed with one of the rotating gears (7) respectively, the other rack A (8) and the rack B (9) are meshed with the other rotating gear (7) respectively, the transmission gears (10) are provided with two rotating bodies which are fixedly installed on the outer walls of the two rotating rods (6) respectively, the transmission toothed chains (11) are sleeved on the two transmission gears (10), the two transmission gears (10) are in transmission connection through the transmission toothed chains (11), and the rotating handle (12) is fixedly installed at the two rear ends of the two rotating rods (6) respectively.
4. The lithium ion battery explosion-proof device according to claim 3, characterized in that: the rear side outer wall fixed mounting of frame shell (1) has quick-witted box (14), two bull sticks (6) all rotate the installation with the rear side of machine box (14), the top slidable mounting of machine box (14) has T type bolt (15), the bottom fixed mounting of T type bolt (15) has the ratch, the outer wall cover of T type bolt (15) is equipped with spring (16), the both ends of spring (16) all contact with quick-witted box (14) and ratch, all the cover is equipped with stop gear (17) on two bull sticks (6), two stop gear (17) all mesh with the ratch mutually.
5. The lithium ion battery explosion-proof device according to claim 4, characterized in that: the heat dissipation mechanism comprises a cooling box (25), a cooling shell (28), a plastic soft film (29), a water pump (30), a liquid pumping pipe (31), a water outlet hose (32), a connecting hose (33) and a backflow hose (34), wherein the cooling box (25) is fixedly installed at the top of the frame shell (1), the bottom of the cooling box (25) is in protruding arrangement, two cooling shells (28) are respectively and fixedly installed on two clamping plates (4), the plastic soft film (29) is fixedly installed on the inner wall of the cooling shell (28), the water pump (30) is fixedly installed on the outer wall of the top of the frame shell (1), the liquid pumping pipe (31) is fixedly installed on the cooling box (25), the water outlet hose (32) is fixedly installed on the top of the frame shell (1) and one of the cooling shells (28), the output end and the input end of the water pump (30) are respectively and fixedly installed on one end of the water outlet hose (32) and one end of the liquid pumping pipe (31), the connecting hose (33) is fixedly installed on the rear sides of the two cooling shells (28), the backflow hose (34) is fixedly installed on the front side of the other cooling shell (28) and the front side of the lithium ion battery (25) and the lithium ion battery (3).
6. The lithium ion battery explosion-proof device of claim 5, wherein: and the other ends of the rack A (8) and the rack B (9) are fixedly provided with limit blocks (13).
7. The lithium ion battery explosion-proof device according to claim 6, characterized in that: and a liquid inlet pipe (26) and a liquid outlet pipe (27) are fixedly mounted on one side of the cooling box (25), and valves are arranged on the liquid inlet pipe (26) and the liquid outlet pipe (27).
8. The lithium ion battery explosion protection device of claim 7, wherein: two electrodes (18) are fixedly arranged on the battery cover plate (3).
9. An explosion-proof lithium ion battery, characterized in that: an explosion-proof device for a lithium ion battery comprising any one of claims 1-8.
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CN202211080056.3A CN115498355A (en) | 2022-09-05 | 2022-09-05 | Lithium ion battery explosion-proof device and explosion-proof lithium ion battery |
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CN202211080056.3A CN115498355A (en) | 2022-09-05 | 2022-09-05 | Lithium ion battery explosion-proof device and explosion-proof lithium ion battery |
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CN209860041U (en) * | 2019-05-15 | 2019-12-27 | 深圳市佳劲源科技有限公司 | Explosion-proof lithium battery with pressure relief device |
CN211150625U (en) * | 2019-12-13 | 2020-07-31 | 安徽新品源电池技术有限公司 | Lithium ion battery with explosion-proof structure |
CN211350762U (en) * | 2020-03-09 | 2020-08-25 | 中南大学 | Water-cooling battery box of new energy automobile |
CN214081699U (en) * | 2020-12-18 | 2021-08-31 | 树熊新材料科技(河源)股份有限公司 | High-precision cutting equipment for machining capillary tube |
CN113794019A (en) * | 2021-08-17 | 2021-12-14 | 阳萍 | Explosion-proof type lithium ion battery with electrolyte discharge capacity |
CN114914580A (en) * | 2022-05-11 | 2022-08-16 | 刘军民 | Explosion-proof lithium ion battery with self-heat dissipation function |
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2022
- 2022-09-05 CN CN202211080056.3A patent/CN115498355A/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
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CN209860041U (en) * | 2019-05-15 | 2019-12-27 | 深圳市佳劲源科技有限公司 | Explosion-proof lithium battery with pressure relief device |
CN211150625U (en) * | 2019-12-13 | 2020-07-31 | 安徽新品源电池技术有限公司 | Lithium ion battery with explosion-proof structure |
CN211350762U (en) * | 2020-03-09 | 2020-08-25 | 中南大学 | Water-cooling battery box of new energy automobile |
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Application publication date: 20221220 |