CN115411446B - Multiple-protection lithium ion battery and protection method thereof - Google Patents
Multiple-protection lithium ion battery and protection method thereof Download PDFInfo
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- CN115411446B CN115411446B CN202211257983.8A CN202211257983A CN115411446B CN 115411446 B CN115411446 B CN 115411446B CN 202211257983 A CN202211257983 A CN 202211257983A CN 115411446 B CN115411446 B CN 115411446B
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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
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/289—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by spacing elements or positioning means within frames, racks or packs
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
- A62C3/16—Fire prevention, containment or extinguishing specially adapted for particular objects or places in electrical installations, e.g. cableways
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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
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/204—Racks, modules or packs for multiple batteries or multiple cells
- H01M50/207—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape
- H01M50/209—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for prismatic or rectangular cells
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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
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/249—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders specially adapted for aircraft or vehicles, e.g. cars or trains
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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
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/289—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by spacing elements or positioning means within frames, racks or packs
- H01M50/293—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by spacing elements or positioning means within frames, racks or packs characterised by the material
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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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- Secondary Cells (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The invention discloses a multi-protection lithium ion battery and a protection method thereof, in particular to the technical field of lithium ion batteries, and the multi-protection lithium ion battery comprises a protection outer frame, wherein the top end of the protection outer frame is fixedly provided with a sealing cover through screws, a diaphragm plate is fixedly clamped in the protection outer frame, the middle part of the diaphragm plate is vertically connected with a longitudinal diaphragm plate, the longitudinal diaphragm plate is fixedly clamped in the protection outer frame, the diaphragm plate and the longitudinal diaphragm plate divide the space in the protection outer frame into a plurality of storage cavities, battery packs are fixedly arranged in the storage cavities, and fire extinguishing pieces corresponding to the storage cavities in number are fixedly arranged on the lower surface of the sealing cover.
Description
Technical Field
The invention relates to the technical field of lithium ion batteries, in particular to a multi-protection lithium ion battery and a protection method thereof.
Background
A lithium ion battery is a secondary battery (rechargeable battery) that operates mainly by means of lithium ions moving between a positive electrode and a negative electrode. In charge and dischargeIn the process, li + To-and-fro intercalation and deintercalation between two electrodes: during charging, li + De-intercalation from the positive electrode, and intercalation into the negative electrode through the electrolyte, wherein the negative electrode is in a lithium-rich state; in contrast, when discharging, the lithium ion battery has high energy density, high average output voltage, small self-discharge, no memory effect, excellent cycle performance, high output power and long service life, can be rapidly charged and discharged, has the charging efficiency of up to 100 percent, and does not contain toxic and harmful substances, and is called as a green battery. The method is mainly applied to electric automobiles, aerospace, electronic products or electric tools;
the lithium ion battery for the electric automobile is used in a mode of assembling a plurality of battery packs, but the battery packs lack of protective pieces, have low protective performance, are easy to generate spontaneous combustion phenomena, so that the battery is damaged, the safety of a user is influenced, and the user is damaged.
Disclosure of Invention
The present invention is directed to a multi-protection lithium ion battery and a protection method thereof, so as to solve the problems set forth in the background art.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a multiple protection's lithium ion battery, includes the protection frame, there is the closing cap on the top of protection frame through screw fixed mounting, the fixation card is equipped with the diaphragm in the protection frame, the middle part of diaphragm is connected with the longitudinal baffle perpendicularly, the fixed joint of longitudinal baffle is in the protection frame, diaphragm, longitudinal baffle divide into a plurality of thing cavitys of putting with the space in the protection frame, all be fixed with the group battery in the thing cavity of putting, the lower surface fixed mounting of closing cap has the fire extinguishing member that corresponds with putting thing cavity quantity, the bottom fixed mounting of closing cap has the sealing frame, sealing frame swing joint is on the top of protection frame, diaphragm, longitudinal baffle.
As a preferable technical scheme of the invention, both end parts of the diaphragm plate and the longitudinal baffle plate extend to the outer wall of the protective outer frame, a plurality of bulges which are uniformly distributed are integrally formed on the outer surfaces of the diaphragm plate and the longitudinal baffle plate, the diaphragm plate, the longitudinal baffle plate and the bulges are made of heat conducting materials, and a plurality of ventilation grooves which are uniformly distributed are formed in the diaphragm plate and the longitudinal baffle plate.
As a preferable technical scheme of the invention, the outer surfaces of the transverse partition plate and the longitudinal partition plate are respectively provided with a first flame retardant pad, the inner side fixing card of the protective outer frame is provided with a second flame retardant pad, and the first flame retardant pad, the second flame retardant pad and the inner wall of the corresponding storage cavity are attached.
As a preferred technical scheme of the fire extinguishing member, the fire extinguishing member comprises a liquid storage frame, the liquid storage frame is fixedly arranged on the lower surface of a sealing cover, the liquid storage frame is movably clamped at the top of a corresponding object storage cavity, a liquid storage cavity is formed in the top of the liquid storage frame, a sealing liquid cover is arranged on the top of the liquid storage cavity in a threaded manner, two symmetrically distributed rotating cavities are formed in the bottom of the liquid storage frame, a rotating shaft is fixedly arranged in the middle of the rotating cavity, a liquid control disc is rotatably sleeved on the outer side of the rotating shaft, the liquid control disc is movably clamped in the corresponding rotating cavity, a plurality of liquid discharge longitudinal grooves distributed in an annular array are formed in the bottom end of the liquid storage frame at the position of the rotating cavity, the liquid discharge longitudinal grooves movably penetrate through the rotating cavity, the top of the liquid discharge longitudinal grooves are mutually communicated with the liquid storage cavity, and liquid dredging longitudinal grooves matched with the liquid discharge longitudinal grooves are formed in the liquid control disc.
As a preferable technical scheme of the invention, the outer sides of the liquid control discs are fixedly sleeved with toothed rings, one side, close to the toothed rings, of the bottom of the liquid storage frame is provided with racks in a sliding manner, one side of each rack is connected with the outer sides of the toothed rings in a meshed manner, one side, close to each rack, of each liquid storage frame is fixedly provided with a miniature telescopic rod in a clamping manner, and the driving end of each miniature telescopic rod is fixedly connected with the end part of each rack.
As a preferable technical scheme of the invention, two pressure control sliding grooves which are symmetrically distributed are formed in one side, close to the bottom ventilation groove, of the diaphragm plate, a pressure control sealing plate is arranged in the pressure control sliding grooves in a sliding manner, a plurality of liquid through grooves which are equidistantly distributed are formed in the outer side, close to the bottom ventilation groove, of the diaphragm plate, the liquid through grooves movably penetrate through the pressure control sliding grooves and are communicated with the bottom ventilation groove, and pressure control through grooves which are matched with the liquid through grooves are formed in the pressure control sealing plate.
As a preferable technical scheme of the invention, a driving frame is vertically arranged in the middle of the top end of the pressure control sealing plate, the driving frame is in sliding joint in the diaphragm plate, a driving plate is vertically arranged at the top of the driving frame, the driving plate is in sliding joint on the diaphragm plate, and one side of the driving plate, which is far away from the driving frame, extends into the storage cavity.
As a preferable technical scheme of the invention, a driving clamping column is fixedly arranged in the middle of the bottom end of the rack, a sliding through groove corresponding to the driving clamping column is formed in the bottom end of the liquid storage frame, the driving clamping column is in sliding clamping connection with the corresponding sliding through groove, the bottom of the driving clamping column extends out of the lower surface of the driving clamping column, a driving clamping groove corresponding to the driving clamping column is formed in the top end of the driving plate, and the bottom of the driving clamping column is movably clamped in the driving clamping groove.
As a preferable technical scheme of the invention, protection pads are fixedly arranged at four corners of the bottom end of the liquid storage frame, and the bottom ends of the protection pads are contacted with the upper surface of the battery pack.
A protection method of a multi-protection lithium ion battery comprises the following steps:
firstly, installing a diaphragm plate and a longitudinal baffle plate in a protective outer frame, dividing a space in the protective outer frame into a plurality of storage cavities by the diaphragm plate and the longitudinal baffle plate, installing a first flame retardant pad and a second flame retardant pad in each storage cavity, then, separating and placing a plurality of battery packs in each storage cavity, separating and protecting the plurality of battery packs, preventing the plurality of battery packs from being influenced, then, fixedly installing a sealing cover at the top end of the protective outer frame through screws, movably clamping a sealing frame at the top ends of the protective outer frame, the diaphragm plate and the longitudinal baffle plate, sealing each storage cavity, preventing the plurality of battery packs separated and protected from being influenced by external environment, movably clamping a liquid storage frame at the top corresponding to the storage cavity, movably clamping the bottom of a driving clamping column in a driving clamping groove, contacting the bottom end of the protective pad with the upper surface of the battery pack, and positioning the upper end of the battery pack;
the heat is generated when a plurality of subsequent battery packs are used, the heat conduction and the heat dissipation are carried out on the temperature in each storage cavity by the diaphragm plates and the longitudinal baffle plates which are made of heat conduction materials, the plurality of battery packs are prevented from being overheated and damaged, the plurality of battery packs are protected, the heat dissipation area of the temperature in each storage cavity is increased by arranging a plurality of bulges, the air flow is convenient to pass through the plurality of ventilation grooves by the plurality of ventilation grooves, the heat conduction and the heat dissipation are carried out on the diaphragm plates and the longitudinal baffle plates, and the heat conduction and dissipation effects of the diaphragm plates and the longitudinal baffle plates on the temperature in each storage cavity are improved;
step three, when the battery pack in one of the storage cavities is damaged and spontaneous combustion occurs, the first flame retardant pad and the second flame retardant pad can effectively block combustion, prevent the battery packs in the other storage cavities from being influenced, and protect the plurality of battery packs;
simultaneously, control and open corresponding miniature telescopic link, drive rack slides in the stock solution frame, drive card post drive board, the synchronous horizontal migration of drive frame, thereby drive accuse press seal board slides in accuse press spout, accuse press through the groove and lead to the liquid to wear the groove position correspondence, at this moment, space and bottom position ventilation groove in the thing cavity communicate with each other, two ring gears of synchronous drive rotate, drive accuse liquid dish and carry out stable rotation in corresponding rotation chamber, make the lyophobia longitudinal groove on the corresponding accuse liquid dish and the position of flowing back longitudinal groove correspond, the explosion-proof fire extinguishing fluid in the corresponding stock solution chamber can be through flowing back longitudinal groove, lyophobia longitudinal groove discharge, flow into corresponding thing cavity put, put the explosion-proof fire extinguishing to the battery of spontaneous combustion in this thing cavity, prevent other battery in the thing cavity from receiving the influence, protect a plurality of battery, and the explosion-proof fire extinguishing fluid that flows into in the thing cavity is through accuse press through the groove, lead to the liquid through groove, bottom position ventilation groove discharge.
Compared with the prior art, the invention has the beneficial effects that:
1. through setting up diaphragm, longitudinal baffle, divide into a plurality of thing cavitys of putting with the space in the protection frame, be convenient for a plurality of battery group separates to place, carries out the separation protection between a plurality of battery groups, prevents to produce the influence between a plurality of battery groups to promote the result of use of whole lithium ion battery;
2. the first flame retardant pad and the second flame retardant pad are matched for use, when one of the battery packs in the storage cavities is damaged and self-burned, the first flame retardant pad and the second flame retardant pad can effectively block combustion, prevent the battery packs in other storage cavities from being influenced, protect a plurality of battery packs, and simultaneously control explosion-proof fire extinguishing liquid to flow into the corresponding storage cavities by matching fire extinguishing parts, prevent the battery packs in the storage cavities from being explosion-proof and fire-extinguishing, prevent the battery packs in other storage cavities from being influenced, and protect a plurality of battery packs.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Figure 1 is a schematic diagram of the structure of the present invention,
figure 2 is a schematic diagram of the structure of the invention after disassembly,
figure 3 is a schematic view showing the structural connection of the protective outer frame and the diaphragm and longitudinal partition plates in the invention,
figure 4 is a schematic view of the structural connection of the fire extinguishing member according to the present invention,
figure 5 is a schematic view of another structural connection of the fire extinguishing member of the present invention,
figure 6 is an enlarged view of the invention at a in figure 5,
figure 7 is a schematic view of the structural connection of the transverse and longitudinal diaphragms in the present invention,
figure 8 is an enlarged view of the invention at B in figure 7,
fig. 9 is an enlarged view of the invention at C in fig. 7.
In the figure: 1. a protective outer frame; 2. a cover; 3. a diaphragm; 4. a longitudinal partition; 5. a storage cavity; 6. a battery pack; 7. a fire extinguishing member; 8. a sealing frame; 9. a protrusion; 10. a ventilation groove; 11. a pressure control chute; 12. a pressure control sealing plate; 121. pressure-control through groove; 13. liquid is introduced into the trough; 14. a drive rack; 15. a driving plate; 151. a driving clamping groove; 16. a first flame retardant mat; 17. a second flame retardant mat; 71. a liquid storage frame; 711. a liquid storage cavity; 712. a rotating chamber; 701. a liquid discharge longitudinal groove; 702. a lyophobic vertical groove; 72. a rotating shaft; 73. a liquid control disc; 74. a toothed ring; 75. a rack; 76. a miniature telescopic rod; 77. driving the clamping column; 771. sliding through the slot; 78. a protective pad; 79. and (5) sealing the liquid cover.
Detailed Description
The following description of the embodiments of the present invention 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 invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Examples: as shown in fig. 1-9, the invention provides a lithium ion battery with multiple protections, which comprises a protection outer frame 1, wherein a sealing cover 2 is fixedly arranged at the top end of the protection outer frame 1 through screws, so that the sealing cover 2 is convenient to detach, a diaphragm plate 3 is fixedly clamped in the protection outer frame 1, the middle part of the diaphragm plate 3 is vertically connected with a longitudinal baffle plate 4, the longitudinal baffle plate 4 is fixedly clamped in the protection outer frame 1, the diaphragm plate 3 and the longitudinal baffle plate 4 divide the space in the protection outer frame 1 into a plurality of object-placing cavities 5, battery packs 6 are fixedly arranged in the object-placing cavities 5, the diaphragm plate 3 and the longitudinal baffle plate 4 are arranged in the protection outer frame 1, the space in the protection outer frame 1 is divided into a plurality of object-placing cavities 5 through the arrangement of the diaphragm plate 3 in the protection outer frame 1, the separation of the plurality of battery packs 6 is convenient to place, the separation protection among the plurality of battery packs 6 is performed, and the influence among the plurality of battery packs 6 is prevented, so that the use effect of the whole lithium ion battery is improved, a piece 7 corresponding to the number of the longitudinal baffle plate 4 is fixedly arranged on the lower surface of the sealing cover 2, the diaphragm plate 2 and the longitudinal baffle plate 4 is fixedly arranged, the diaphragm plate 2 is fixedly arranged at the bottom end of the sealing cover 2, the sealing cover 2 is connected with the sealing cover 8, the sealing cover 8 is fixedly arranged at the bottom end of the sealing cover 8, the sealing cover 8 is movably arranged at the top end of the sealing frame 2, and the sealing cover 8 is sealed by the sealing cover 2, and is sealed by the sealing cover 8, and is arranged at the top end of the sealing cover 8, and is sealed by the sealing cover 8.
The utility model provides a heat dissipation device, including baffle 3, longitudinal baffle 4, baffle 3, the both ends of longitudinal baffle 4 all extend to the outer wall of protecting frame 1, the surface of baffle 3, longitudinal baffle 4 is equal integrated into one piece has evenly distributed's a plurality of protruding 9, baffle 3, longitudinal baffle 4 and a plurality of protruding 9 all establish to heat conduction material, through baffle 3, longitudinal baffle 4 that set up heat conduction material, and baffle 3, longitudinal baffle 4's both ends all extend to the outer wall of protecting frame 1, be convenient for carry out heat conduction and dissipation to the temperature in every storage cavity 5, prevent that a plurality of group 6 from overheated impaired, protect a plurality of group 6, and through setting up a plurality of protruding 9, increase the radiating area of temperature in storage cavity 5, a plurality of ventilation grooves 10 of evenly distributed are all seted up in baffle 3, longitudinal baffle 4, through set up evenly distributed's a plurality of ventilation grooves 10 in baffle 3, longitudinal baffle 4, be convenient for the air current through a plurality of ventilation grooves 10, carry out heat conduction and dispel to baffle 3, longitudinal baffle 4, and then promote the heat dissipation effect of diaphragm 3, longitudinal baffle 4 to the temperature in every storage cavity 5.
The external surface of diaphragm 3, longitudinal baffle 4 is all fixed card and is equipped with first fire-retardant pad 16, the inboard fixed card of protecting the frame 1 is equipped with the fire-retardant pad 17 of second, first fire-retardant pad 16, the fire-retardant pad 17 of second and the laminating of corresponding thing cavity 5 inner wall of putting, through setting up first fire-retardant pad 16, the fire-retardant pad 17 of second, the fire-retardant pad 16 of first, the fire-retardant pad 17 of second wraps up the inner wall of every thing cavity 5 of putting, when the impaired spontaneous combustion of group battery 6 in one of them put the thing cavity 5, the fire-retardant pad 16 of first, the fire-retardant pad 17 of second can effectively separate the burning, prevent that group battery 6 in other thing cavities 5 from receiving the influence, protect a plurality of group batteries 6.
The fire extinguishing member 7 comprises a liquid storage frame 71, the liquid storage frame 71 is fixedly arranged on the lower surface of the sealing cover 2, the liquid storage frame 71 is movably clamped at the top of the corresponding storage cavity 5, a liquid storage cavity 711 is formed at the top of the liquid storage frame 71, the sealing liquid cover 79 is arranged at the top of the liquid storage cavity 711 in a threaded manner, when the fire extinguishing member is used, the sealing liquid cover 79 is opened by screwing, explosion-proof fire extinguishing liquid is added into the liquid storage cavity 711 through the position of the sealing liquid cover 79, two symmetrically distributed rotating cavities 712 are formed at the bottom of the liquid storage frame 71, a rotating shaft 72 is fixedly arranged in the middle of the rotating cavity 712, a liquid control disc 73 is rotatably sleeved outside the rotating shaft 72, the liquid control disc 73 is movably clamped in the corresponding rotating cavity 712, the liquid control disc 73 can stably rotate in the corresponding rotating cavity 712, a plurality of liquid discharge longitudinal grooves 701 distributed in an annular array are formed at the bottom end of the liquid storage frame 71 at the position of the rotating cavity 712, the liquid draining longitudinal groove 701 movably penetrates through the rotating cavity 712, the top of the liquid draining longitudinal groove 701 is communicated with the liquid storing cavity 711, the liquid draining longitudinal groove 702 matched with the liquid draining longitudinal groove 701 is formed on the liquid controlling disc 73, in the initial state, the positions of the liquid draining longitudinal groove 702 and the liquid draining longitudinal groove 701 on the liquid controlling disc 73 are staggered, at the moment, the explosion-proof fire extinguishing liquid in the liquid storing cavity 711 cannot be discharged through the liquid draining longitudinal groove 701 and the liquid draining longitudinal groove 702, when the liquid controlling disc 73 is driven to stably rotate in the corresponding rotating cavity 712, the positions of the liquid draining longitudinal groove 702 and the liquid draining longitudinal groove 701 on the liquid controlling disc 73 correspond, the explosion-proof fire extinguishing liquid in the liquid storing cavity 711 can be discharged through the liquid draining longitudinal groove 701 and the liquid draining longitudinal groove 702 and flow into the corresponding object accommodating cavity 5, the explosion-proof fire extinguishing is carried out on the battery pack 6 in the object accommodating cavity 5, the battery pack 6 in other object accommodating cavities 5 is prevented from being influenced, the plurality of battery packs 6 are protected.
The outside of accuse liquid dish 73 is all fixed the cover and is equipped with ring gear 74, the one side slip card that is close to ring gear 74 of stock solution frame 71 bottom is equipped with rack 75, one side of rack 75 and the outside meshing connection of ring gear 74, the fixed card in one side that is close to rack 75 of stock solution frame 71 is equipped with miniature telescopic link 76, the drive end of miniature telescopic link 76 and the tip fixed connection of rack 75, during the use, when the group battery 6 in one of them puts thing cavity 5 takes place spontaneous combustion, control and open corresponding miniature telescopic link 76, drive rack 75 slides in stock solution frame 71, two ring gears 74 rotations of synchronous drive, drive accuse liquid dish 73 and carry out stable rotation in corresponding rotation chamber 712, make the lyophobic vertical groove 702 and the flowing back vertical groove 701 position correspondence on the accuse liquid dish 73, explosion-proof fire extinguishing liquid in the corresponding stock solution cavity 711 can flow into in the corresponding thing cavity 5 through flowing back vertical groove 701, carry out explosion-proof group battery 6 in the thing cavity 5 that puts spontaneous combustion, prevent that group battery 6 in the thing cavity 5 from receiving a plurality of groups of influence of battery 6 from putting the fire extinguishing.
Two pressure control sliding grooves 11 which are symmetrically distributed are formed in one side, close to the bottom ventilation groove 10, of the diaphragm plate 3, a pressure control sealing plate 12 is arranged in the pressure control sliding grooves 11 in a sliding mode, a plurality of liquid through grooves 13 which are equidistantly distributed are formed in the outer side, close to the bottom ventilation groove 10, of the diaphragm plate 3, the liquid through grooves 13 movably penetrate through the pressure control sliding grooves 11 and are mutually communicated with the bottom ventilation groove 10, pressure control through grooves 121 which are matched with the liquid through grooves 13 in use are formed in the pressure control sealing plate 12, in an initial state, the positions of the pressure control through grooves 121 and the liquid through grooves 13 are staggered, the space in the object placing cavity 5 is closed, when the pressure control sealing plate 12 is driven to slide in the pressure control sliding grooves 11, the positions of the pressure control through grooves 121 and the liquid through grooves 13 correspond, and at the moment, the space in the object placing cavity 5 is communicated with the bottom position ventilation groove 10.
A driving frame 14 is vertically arranged in the middle of the top end of the pressure control sealing plate 12, the driving frame 14 is in sliding clamping connection with the diaphragm plate 3, a driving plate 15 is vertically arranged at the top of the driving frame 14, the driving plate 15 is in sliding clamping connection with the diaphragm plate 3, and one side of the driving plate 15 far away from the driving frame 14 extends into the storage cavity 5; the bottom middle part fixed mounting of rack 75 has drive draw-in post 77, the slip groove 771 that corresponds with drive draw-in post 77 is seted up to the bottom of stock solution frame 71, drive draw-in post 77 slip joint is in the slip groove 771 that corresponds, the lower surface of drive draw-in post 77 is extended to the bottom of drive draw-in post 77, drive draw-in groove 151 that corresponds with drive draw-in post 77 is seted up on the top of drive board 15, the bottom activity joint of drive draw-in post 77 is in drive draw-in groove 151, and after the closing cap 2 was installed, the bottom activity joint of drive draw-in post 77 was in drive draw-in groove 151, when drive rack 75 carries out the horizontal slip, drove drive draw-in post 77 and drive board 15, the synchronous horizontal migration of drive frame 14 to drive accuse pressure shrouding 12 slides in accuse pressure chute 11.
The bottom four corners department of stock solution frame 71 all fixed mounting has protection pad 78, the bottom of protection pad 78 and the upper surface contact of group battery 6, and after the closing cap 2 was installed, stock solution frame 71 activity joint was at the top of corresponding putting thing cavity 5, and the bottom of protection pad 78 and the upper surface contact of group battery 6 are fixed a position group battery 6 upper end to promote the stability of group battery 6.
A protection method of a multi-protection lithium ion battery comprises the following steps:
firstly, installing a diaphragm plate 3 and a longitudinal baffle plate 4 in a protective outer frame 1, dividing the space in the protective outer frame 1 into a plurality of storage cavities 5 by the diaphragm plate 3 and the longitudinal baffle plate 4, installing a first flame retardant pad 16 and a second flame retardant pad 17 in the storage cavities 5, then, separating and protecting a plurality of battery packs 6 by separating and placing the battery packs 6 in each storage cavity 5, preventing the plurality of battery packs 6 from being influenced, then, fixedly installing a sealing cover 2 at the top end of the protective outer frame 1 through screws, movably clamping the sealing frame 8 at the top ends of the protective outer frame 1, the diaphragm plate 3 and the longitudinal baffle plate 4, sealing each storage cavity 5, preventing the plurality of battery packs 6 separated and protected from being influenced by external environment, movably clamping a liquid storage frame 71 at the top of the corresponding storage cavity 5, movably clamping the bottom of a driving clamping column 77 in a driving clamping groove 151, contacting the bottom end of the protective pad 78 with the upper surface of the battery pack 6, and positioning the upper end of the battery pack 6;
the heat is generated when the plurality of subsequent battery packs 6 are used, the heat conduction and heat dissipation are carried out on the temperature in each storage cavity 5 through the diaphragm plates 3 and the longitudinal baffle plates 4 made of heat conduction materials, the plurality of battery packs 6 are prevented from being overheated and damaged, the plurality of battery packs 6 are protected, the heat dissipation area of the temperature in each storage cavity 5 is increased through the plurality of bulges 9, the heat conduction and heat dissipation are carried out on the diaphragm plates 3 and the longitudinal baffle plates 4 through the plurality of ventilation grooves 10, and the heat conduction and heat dissipation effects of the diaphragm plates 3 and the longitudinal baffle plates 4 on the temperature in each storage cavity 5 are improved;
step three, when the battery packs 6 in one of the storage cavities 5 are damaged and spontaneously ignited, the first flame retardant pad 16 and the second flame retardant pad 17 can effectively block combustion, so that the battery packs 6 in the other storage cavities 5 are prevented from being influenced, and a plurality of battery packs 6 are protected;
simultaneously, the corresponding miniature telescopic rod 76 is controlled and opened, the driving rack 75 slides in the liquid storage frame 71, the driving clamping column 77 is driven to drive the driving plate 15 and the driving frame 14 to synchronously and horizontally move, thereby the driving pressure control sealing plate 12 slides in the pressure control sliding groove 11, the pressure control penetrating groove 121 corresponds to the liquid through penetrating groove 13 in position, at the moment, the space in the object placing cavity 5 is communicated with the ventilation groove 10 at the bottom position, the two toothed rings 74 are synchronously driven to rotate, the liquid control disc 73 is driven to stably rotate in the corresponding rotating cavity 712, the liquid-repellent longitudinal groove 702 and the liquid-repellent longitudinal groove 701 on the corresponding liquid control disc 73 are correspondingly positioned, the explosion-proof fire-extinguishing liquid in the corresponding liquid storage cavity 711 can be discharged through the liquid-repellent longitudinal groove 701 and the liquid-repellent longitudinal groove 702 and flows into the corresponding object placing cavity 5, the battery packs 6 in the object placing cavities 5 are prevented from being influenced by spontaneous combustion, the plurality of battery packs 6 are protected, and the explosion-proof fire-extinguishing liquid flowing into the object placing cavity 5 is discharged through the pressure control penetrating groove 121, the liquid through the ventilation groove 13 at the bottom position.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a multiple protection's lithium ion battery, includes protection frame (1), its characterized in that: the utility model discloses a fire extinguishing device, including protection frame (1), sealing frame (8) movable joint is in protection frame (1), diaphragm (3), the space separation in protection frame (1) is a plurality of thing cavitys (5) of putting, all be fixed in putting thing cavity (5) and be equipped with group battery (6), sealing frame (2) lower surface fixed mounting has fire extinguishing piece (7) corresponding with putting thing cavity (5) quantity, sealing frame (8) are fixed to sealing frame (2) bottom, sealing frame (8) movable joint is in protection frame (1), diaphragm (3), the top of diaphragm (4);
the fire extinguishing member (7) comprises a liquid storage frame (71), the liquid storage frame (71) is fixedly arranged on the lower surface of a sealing cover (2), the liquid storage frame (71) is movably clamped at the top of a corresponding storage cavity (5), a liquid storage cavity (711) is formed in the top of the liquid storage frame (71), the sealing cover (79) is arranged on the top of the liquid storage cavity (711) in a threaded manner, two symmetrically-distributed rotating cavities (712) are formed in the bottom of the liquid storage frame (71), a rotating shaft (72) is fixedly arranged in the middle of the rotating cavity (712), a liquid control disc (73) is sleeved on the outer side of the rotating shaft (72) in a rotating mode, a plurality of liquid drain longitudinal grooves (701) distributed in an annular array are formed in the bottom end of the liquid storage frame (712) at the position of the rotating cavity (712), the liquid drain longitudinal grooves (701) movably penetrate through the rotating cavity (711), the top of the liquid drain longitudinal grooves (701) and the liquid storage cavities (712) are communicated with each other, and the liquid control disc (73) is movably clamped in the corresponding rotating cavity (712);
the outside of the liquid control disc (73) is fixedly sleeved with a toothed ring (74), one side, close to the toothed ring (74), of the bottom of the liquid storage frame (71) is slidably clamped with a rack (75), one side of the rack (75) is in meshed connection with the outside of the toothed ring (74), one side, close to the rack (75), of the liquid storage frame (71) is fixedly clamped with a miniature telescopic rod (76), and the driving end of the miniature telescopic rod (76) is fixedly connected with the end part of the rack (75);
two pressure control sliding grooves (11) which are symmetrically distributed are formed in one side, close to the bottom ventilation groove (10), of the diaphragm plate (3), pressure control sealing plates (12) are arranged in the pressure control sliding grooves (11) in a sliding clamping mode, a plurality of liquid through grooves (13) which are equidistantly distributed are formed in the outer side, close to the bottom ventilation groove (10), of the diaphragm plate (3), the liquid through grooves (13) movably penetrate through the pressure control sliding grooves (11) and are communicated with the bottom ventilation groove (10), and pressure control through grooves (121) which are matched with the liquid through grooves (13) are formed in the pressure control sealing plates (12);
the middle part of the top end of the pressure control sealing plate (12) is vertically provided with a driving frame (14), the driving frame (14) is in sliding clamping connection with the diaphragm plate (3), the top of the driving frame (14) is vertically provided with a driving plate (15), the driving plate (15) is in sliding clamping connection with the diaphragm plate (3), and one side, far away from the driving frame (14), of the driving plate (15) extends into the storage cavity (5);
the bottom middle part fixed mounting of rack (75) has drive draw-in post (77), slide groove (771) that corresponds with drive draw-in post (77) are seted up to the bottom of stock solution frame (71), drive draw-in post (77) slip joint is in slide groove (771) that corresponds, the lower surface of drive draw-in post (77) is extended to the bottom of drive draw-in post (77), drive draw-in groove (151) that corresponds with drive draw-in post (77) are seted up on the top of drive board (15), the bottom activity joint of drive draw-in post (77) is in drive draw-in groove (151).
2. The multi-shielded lithium ion battery of claim 1, wherein: the utility model discloses a protection frame, including diaphragm (3), longitudinal baffle (4), baffle (3), longitudinal baffle (4) both ends all extend to the outer wall of protection frame (1), the surface homogeneous body shaping of diaphragm (3), longitudinal baffle (4) has a plurality of archs (9) of evenly distributed, diaphragm (3), longitudinal baffle (4) and a plurality of arch (9) all set up the heat conduction material, a plurality of ventilation slots (10) of evenly distributed have all been seted up in diaphragm (3), longitudinal baffle (4).
3. The multi-shielded lithium ion battery of claim 1, wherein: the outer surfaces of the diaphragm plates (3) and the longitudinal baffle plates (4) are respectively provided with a first flame retardant pad (16), the inner side fixing cards of the protective outer frame (1) are provided with a second flame retardant pad (17), and the first flame retardant pads (16), the second flame retardant pads (17) are attached to the inner walls of the corresponding storage cavities (5).
4. The multi-shielded lithium ion battery of claim 1, wherein: the four corners of the bottom end of the liquid storage frame (71) are fixedly provided with protection pads (78), and the bottom ends of the protection pads (78) are in contact with the upper surface of the battery pack (6).
5. The protection method of the lithium ion battery with multiple protection is characterized by comprising the following steps of:
firstly, installing a diaphragm plate (3) and a longitudinal baffle plate (4) in a protective outer frame (1), dividing the space in the protective outer frame (1) into a plurality of object placing cavities (5) by the diaphragm plate (3) and the longitudinal baffle plate (4), installing a first flame retardant pad (16) and a second flame retardant pad (17) in the object placing cavities (5), then, separating and placing a plurality of battery packs (6) in each object placing cavity (5), separating and protecting the plurality of battery packs (6), preventing the plurality of battery packs (6) from being influenced, then, fixedly installing a sealing cover (2) at the top end of the protective outer frame (1) through screws, movably clamping a sealing frame (8) at the top ends of the protective outer frame (1), the diaphragm plate (3) and the longitudinal baffle plate (4), sealing each object placing cavity (5), preventing the separated and protected plurality of battery packs (6) from being influenced by external environment, movably clamping a driving clamping frame (71) at the top of the corresponding object placing cavity (5), movably clamping a driving clamping column (77) at the bottom of the driving clamping column (77) on the bottom end of the driving column (6), and positioning the driving column (78) on the surface of the driving column (6), and positioning the driving column (6) to be contacted with the bottom end of the battery pack (6;
step two, heat is generated when a plurality of subsequent battery packs (6) are used, heat conduction and heat dissipation are carried out on the temperature in each storage cavity (5) through the transverse partition plates (3) and the longitudinal partition plates (4) made of heat conduction materials, the plurality of battery packs (6) are prevented from being overheated and damaged, the plurality of battery packs (6) are protected, the heat dissipation area of the temperature in each storage cavity (5) is increased through the plurality of bulges (9), and through the plurality of ventilation grooves (10), air flow is facilitated to pass through the plurality of ventilation grooves (10), heat conduction and heat dissipation are carried out on the transverse partition plates (3) and the longitudinal partition plates (4), and the heat conduction and heat dissipation effects of the transverse partition plates (3) and the longitudinal partition plates (4) on the temperature in each storage cavity (5) are improved;
step three, when the battery packs (6) in one of the storage cavities (5) are damaged and spontaneously ignited, the first flame retardant pad (16) and the second flame retardant pad (17) can effectively block combustion, so that the battery packs (6) in the other storage cavities (5) are prevented from being influenced, and a plurality of battery packs (6) are protected;
simultaneously, control and open corresponding miniature telescopic link (76), drive rack (75) slide in stock solution frame (71), drive draw-in column (77) drive board (15), drive frame (14) synchronous horizontal migration, thereby drive accuse press shrouding (12) slide in accuse press spout (11), accuse press through groove (121) and logical liquid through groove (13) position correspondence, at this moment, space and bottom position ventilation groove (10) in putting thing cavity (5) communicate with each other, two toothed rings (74) rotation of synchronous drive, drive accuse liquid dish (73) and carry out stable rotation in corresponding rotation chamber (712), lyophobic longitudinal groove (702) and flowing back fire extinguishing groove (701) position on corresponding accuse liquid dish (73) correspond, explosion-proof liquid in corresponding stock solution chamber (711) can be through flowing back longitudinal groove (701), lyophobic longitudinal groove (702) discharge, flow into in corresponding putting thing cavity (5), carry out spontaneous combustion to group battery (6) in this putting thing cavity (5) and prevent that spontaneous combustion group battery (6) from putting in the thing cavity (5) from carrying out spontaneous combustion group flame-extinguishing groove (6), the position is worn out the explosion-proof group (6) and is put the position in the fire extinguishing groove (13) and is passed through the explosion-proof groove (13).
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| CN202211257983.8A CN115411446B (en) | 2022-10-13 | 2022-10-13 | Multiple-protection lithium ion battery and protection method thereof |
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Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012165801A (en) * | 2011-02-10 | 2012-09-06 | Yamato Protec Co | Sprinkler head |
| JP2015129447A (en) * | 2014-01-06 | 2015-07-16 | 上田鉄工株式会社 | gear pump |
| KR101638985B1 (en) * | 2015-09-04 | 2016-07-12 | 이병규 | Prefabricated planting module |
| CN110803418A (en) * | 2019-11-15 | 2020-02-18 | 张军 | Municipal administration is with preventing spontaneous combustion garbage bin |
| WO2020133750A1 (en) * | 2018-12-28 | 2020-07-02 | 宁德时代新能源科技股份有限公司 | Battery pack |
| CN111900286A (en) * | 2020-07-17 | 2020-11-06 | 段园园 | New forms of energy lithium cell |
| CN112746800A (en) * | 2021-01-17 | 2021-05-04 | 童立军 | Prevent fire door with automatic fire extinguishing function |
| CN114188645A (en) * | 2021-11-25 | 2022-03-15 | 江苏全锂智能科技有限公司 | New energy automobile is mounting bracket for battery |
| CN114268772A (en) * | 2021-12-29 | 2022-04-01 | 宁方原 | Safety monitoring device |
| CN114374034A (en) * | 2021-12-23 | 2022-04-19 | 程秀峰 | Lithium ion battery pack with flame-retardant and explosion-proof structure |
| CN114924455A (en) * | 2022-05-23 | 2022-08-19 | 浙江联美展示科技有限公司 | Projection interactive item-showing device |
| CN115112337A (en) * | 2022-06-28 | 2022-09-27 | 张俊宝 | A test device for battery shock resistance test |
| CN115133205A (en) * | 2022-07-13 | 2022-09-30 | 江苏多益能源科技有限公司 | Energy storage container system |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2478104B (en) * | 2008-12-18 | 2012-10-03 | Utc Fire & Security Corp | Atomizing nozzle for a fire suppression system |
| US11712136B2 (en) * | 2020-05-18 | 2023-08-01 | Etl, Llc | Showerhead assembly with integrated soap-shampoo reservoir |
-
2022
- 2022-10-13 CN CN202211257983.8A patent/CN115411446B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012165801A (en) * | 2011-02-10 | 2012-09-06 | Yamato Protec Co | Sprinkler head |
| JP2015129447A (en) * | 2014-01-06 | 2015-07-16 | 上田鉄工株式会社 | gear pump |
| KR101638985B1 (en) * | 2015-09-04 | 2016-07-12 | 이병규 | Prefabricated planting module |
| WO2020133750A1 (en) * | 2018-12-28 | 2020-07-02 | 宁德时代新能源科技股份有限公司 | Battery pack |
| CN110803418A (en) * | 2019-11-15 | 2020-02-18 | 张军 | Municipal administration is with preventing spontaneous combustion garbage bin |
| CN111900286A (en) * | 2020-07-17 | 2020-11-06 | 段园园 | New forms of energy lithium cell |
| CN112746800A (en) * | 2021-01-17 | 2021-05-04 | 童立军 | Prevent fire door with automatic fire extinguishing function |
| CN114188645A (en) * | 2021-11-25 | 2022-03-15 | 江苏全锂智能科技有限公司 | New energy automobile is mounting bracket for battery |
| CN114374034A (en) * | 2021-12-23 | 2022-04-19 | 程秀峰 | Lithium ion battery pack with flame-retardant and explosion-proof structure |
| CN114268772A (en) * | 2021-12-29 | 2022-04-01 | 宁方原 | Safety monitoring device |
| CN114924455A (en) * | 2022-05-23 | 2022-08-19 | 浙江联美展示科技有限公司 | Projection interactive item-showing device |
| CN115112337A (en) * | 2022-06-28 | 2022-09-27 | 张俊宝 | A test device for battery shock resistance test |
| CN115133205A (en) * | 2022-07-13 | 2022-09-30 | 江苏多益能源科技有限公司 | Energy storage container system |
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|---|---|
| CN115411446A (en) | 2022-11-29 |
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