CN113725536A - Explosion-proof soft-package lithium battery cell structure and explosion-proof method - Google Patents
Explosion-proof soft-package lithium battery cell structure and explosion-proof method Download PDFInfo
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- CN113725536A CN113725536A CN202110780675.2A CN202110780675A CN113725536A CN 113725536 A CN113725536 A CN 113725536A CN 202110780675 A CN202110780675 A CN 202110780675A CN 113725536 A CN113725536 A CN 113725536A
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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
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
- H01M10/486—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte for measuring temperature
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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
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
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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
- 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
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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
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/655—Solid structures for heat exchange or heat conduction
- H01M10/6551—Surfaces specially adapted for heat dissipation or radiation, e.g. fins or coatings
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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
- H01M50/202—Casings or frames around the primary casing of a single cell or a single battery
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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
- H01M50/258—Modular batteries; Casings provided with means for assembling
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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
- H01M50/262—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders with fastening means, e.g. locks
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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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Battery Mounting, Suspending (AREA)
Abstract
The invention discloses an explosion-proof soft-package lithium battery cell structure and an explosion-proof method, wherein the cell structure comprises a U-shaped block, a soft-package lithium battery cell, two storage tanks and heat dissipation equipment, the two storage tanks are arranged on the front side and the rear side of the inner wall of the U-shaped block, the outer surface of the soft-package lithium battery cell is matched with the inside of the U-shaped block for use, the front side and the rear side of the left side of the U-shaped block are both fixedly provided with an insertion block, the front side and the rear side of the two insertion blocks are both provided with fixing grooves, and the front side and the rear side of the right side of the heat dissipation equipment are both provided with insertion grooves. According to the invention, through arranging the heat dissipation equipment, the heat dissipation of the soft-package lithium battery cell is realized, the phenomenon that the temperature of the soft-package lithium battery cell is too high to cause a short circuit of an internal circuit is prevented, and meanwhile, through arranging the temperature detection equipment, the temperature of the soft-package lithium battery cell can be well detected, the problem of poor explosion-proof effect in the prior art is solved.
Description
Technical Field
The invention belongs to the technical field of lithium batteries, and particularly relates to an explosion-proof soft package lithium battery cell structure and an explosion-proof method.
Background
Soft packet of lithium battery cell, in order to satisfy the market demand, generally all use these aspects to optimize toward how better packing and how more person of facilitating the use, often neglected whether can be better explosion-proof, soft packet of lithium battery cell has, the effect of packing is better and more person of facilitating the use uses these useful parts, but have certain restriction, when normal use, if the temperature of battery is too high, it causes very easily not timely discovery, the short circuit appears in the inside of battery, thereby take place the explosion, simultaneously the battery is when the explosion takes place, the phenomenon of tympanites can appear, give a very big extrusion force of fixed battery's object, discovery that can not be timely, cause the injury, the problem that prior art exists is: the explosion-proof effect is poor.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides an explosion-proof soft package lithium battery cell structure which has the advantage of good explosion-proof effect and solves the problem of poor explosion-proof effect in the prior art.
The invention is realized in such a way, an explosion-proof soft-packaged lithium battery cell structure comprises a U-shaped block, a soft-packaged lithium battery cell, two storage grooves and heat dissipation equipment, wherein the two storage grooves are formed in the front side and the rear side of the inner wall of the U-shaped block, the outer surface of the soft-packaged lithium battery cell is matched with the inside of the U-shaped block for use, the front side and the rear side of the left side of the U-shaped block are fixedly provided with inserting blocks, the front side and the rear side of the two inserting blocks are respectively provided with a fixed groove, the front side and the rear side of the right side of the heat dissipation equipment are respectively provided with an inserting groove, the inside of the two inserting grooves are respectively provided with a fixed mechanism, the inside of the two inserting grooves is inserted with the outer surface of the inserting blocks, the left side and the right side of the inner wall of the storage groove on the front side are respectively provided with a positioning groove, the inside of the storage groove is matched with temperature detection equipment, and the top and the bottom of the temperature detection equipment are respectively provided with a placing groove, the positioning mechanisms are arranged in the two placing grooves, the pressure detection equipment is used in the storage grooves in a matched mode at the rear sides, the storage grooves are formed in the tops of the inner walls of the storage grooves, and the protection mechanisms are arranged in the storage grooves.
Preferably, the fixing mechanism on the front side includes a fixing block, an outer surface of the fixing block is slidably connected with an inside of the heat dissipation device, a rear side of the fixing block is used in cooperation with an inside of the fixing groove, a rotating rod is connected to an inner thread of the fixing block, a rotating block is fixedly mounted on a front side of the rotating rod, and a front side of the rotating block penetrates through the heat dissipation device and extends to the front side of the heat dissipation device.
Preferably, the outer surface of the rotating rod is provided with an annular groove, an annular block is matched with the inside of the annular groove, and the outer surface of the annular block is matched with the inside of the heat dissipation device.
Preferably, the positioning mechanism comprises a positioning block, the outer surface of the positioning block is connected with the inner wall of the placement groove in a sliding mode, the right side of the positioning block is matched with the inside of the positioning groove for use, the top and the bottom of the left side of the positioning block are both movably connected with extrusion rods, one ends of the two extrusion rods, which are far away from the positioning block, are connected with the inner wall of the placement groove in a sliding mode, and an extrusion spring is fixedly installed between the two extrusion rods.
Preferably, the inner wall of the placing groove is provided with a strip-shaped groove, two strip-shaped blocks are connected inside the strip-shaped groove in a sliding mode, and one ends, far away from the strip-shaped groove, of the two strip-shaped blocks are movably connected with the extrusion rod.
Preferably, the right sides of the two strip-shaped blocks are fixedly provided with hinged seats, and one ends of the two hinged seats far away from the strip-shaped blocks are movably connected with the extrusion rod.
Preferably, the protection mechanism comprises a square block, the outer surface of the square block is in sliding connection with the inner wall of the storage groove, the bottom of the square block is matched with the interior of the pressure detection device for use, a first magnet is fixedly mounted at the bottom of the square block, a tension spring is fixedly mounted at the top of the square block, the top of the tension spring is fixedly connected with the inner wall of the storage groove, and a controller is matched with the top of the square block for use.
Preferably, the top of the pressure detection device is provided with a square groove, a second magnet is fixedly arranged inside the square groove, the inside of the square groove is inserted into the inside of the square block, and the top of the second magnet is magnetically connected with the bottom of the first magnet.
Preferably, the left side and the right side of the inner part of the storage groove are both provided with a matching groove, the left side and the right side of the square block are both fixedly provided with a matching block, and the ends of the two matching blocks, which are deviated from each other, are both in sliding connection with the inner part of the matching groove.
In addition, the invention also provides an explosion-proof method of the battery cell structure of the explosion-proof soft package lithium battery, which comprises the following steps:
firstly, heat dissipation of a soft package lithium battery cell is achieved through heat dissipation equipment, and overhigh temperature is prevented;
secondly, realizing temperature detection of the soft package lithium battery cell through temperature detection equipment;
and finally, the expansion of the soft package lithium battery cell can be well detected through pressure detection equipment, so that better explosion prevention is realized.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the anti-explosion soft-package lithium battery cell structure and the anti-explosion method, the heat dissipation of the soft-package lithium battery cell is realized by arranging the heat dissipation equipment, the phenomenon that the temperature of the soft-package lithium battery cell is too high to cause short circuit of an internal circuit is prevented, and meanwhile, the temperature detection equipment is arranged, so that the temperature of the soft-package lithium battery cell can be well detected, and the problem of poor anti-explosion effect in the prior art is solved.
2. According to the invention, the power source of the whole fixing mechanism is realized by manually rotating the rotating block, and as the force can be transmitted, the fixing block is pushed to move by the rotating rod while the rotating block is rotated, so that the fixing block and the fixing groove can be matched for use, the mounting effect of the heat radiating equipment is better, the heat radiating effect is better, and preliminary explosion prevention is realized.
3. The annular groove is arranged, so that the rotary rod can be rotatably connected with the annular block fixedly arranged in the heat dissipation device, the rotary rod can be supported, and the rotary rod can only rotate and cannot move.
4. According to the invention, the power source of the whole positioning mechanism is realized through the stress of the positioning block, the force can be transmitted, the extrusion rod gives a deformation force to the extrusion spring while the positioning block is stressed, so that the positioning block can be extruded into the placing groove, and the temperature detection device and the storage groove can be used in a matched mode.
5. According to the invention, the strip-shaped groove is arranged, so that the sliding connection of the strip-shaped blocks movably connected on the left side of the extrusion rod can be realized, the position of the positioning block can be well limited, and the movement track of the positioning block can be more stable.
6. According to the invention, the hinge seat is arranged, so that the movement effect of the extrusion rod is better.
7. According to the invention, the power source of the whole protection mechanism is realized through the stress of the first magnet, as the force can be transmitted, the tension spring is pulled to deform through the square block while the first magnet is stressed, so that the square block and the pressure detection equipment can be used in a matched manner, and meanwhile, the controller is used in a matched manner, so that the purpose of changing the repulsion of the same polarity between the first magnet and the second magnet into the attraction of the opposite polarity can be realized, the positioning effect is better, the pressure detection effect is better, and the explosion-proof effect is better.
8. The square groove is arranged to store the second magnet, so that the second magnet can be matched with the square block for use, and the positioning effect is better.
9. According to the invention, the matching grooves are arranged, so that the matching grooves can be matched with the matching blocks fixedly arranged on the left side and the right side of the square block for use, and the square block has a better motion effect.
Drawings
FIG. 1 is a schematic diagram of a structure provided by an embodiment of the present invention;
fig. 2 is a perspective view of the temperature detection device provided by the embodiment of the present invention in cooperation with a U-shaped block;
fig. 3 is a perspective view of the pressure detection device provided by the embodiment of the present invention in cooperation with a U-shaped block;
FIG. 4 is a schematic view of a storage tank provided by an embodiment of the present invention;
FIG. 5 is a schematic view of a fixing groove provided in an embodiment of the present invention;
fig. 6 is a perspective view of a heat dissipating apparatus provided by an embodiment of the present invention;
FIG. 7 is a perspective view of a temperature sensing device provided in an embodiment of the present invention;
FIG. 8 is a detailed view of a securing mechanism provided by an embodiment of the present invention;
FIG. 9 is a detailed view of a positioning mechanism provided by an embodiment of the present invention;
FIG. 10 is a detailed view of the shielding mechanism provided by the embodiment of the present invention;
FIG. 11 is an enlarged view at A of FIG. 8 according to an embodiment of the present invention;
in the figure: 1. a U-shaped block; 2. soft-packaged lithium battery cells; 3. a storage tank; 4. a heat dissipating device; 5. an insertion block; 6. fixing grooves; 7. inserting grooves; 8. a fixing mechanism; 801. a fixed block; 802. rotating the rod; 803. rotating the block; 9. positioning a groove; 10. a temperature detection device; 11. a placement groove; 12. a positioning mechanism; 1201. positioning blocks; 1202. an extrusion stem; 1203. a compression spring; 13. a pressure detection device; 14. a storage tank; 15. a protection mechanism; 1501. a square block; 1502. a first magnet; 1503. a tension spring; 1504. a controller; 16. an annular groove; 17. a ring block; 18. a strip-shaped groove; 19. a bar-shaped block; 20. a hinged seat; 21. a square groove; 22. a second magnet; 23. a mating groove; 24. and (6) matching the blocks.
Detailed Description
In order to further understand the contents, features and effects of the present invention, the following embodiments are illustrated and described in detail with reference to the accompanying drawings.
The structure of the present invention will be described in detail below with reference to the accompanying drawings.
As shown in fig. 1 to 11, an explosion-proof soft-packaged lithium battery cell structure provided in an embodiment of the present invention includes a U-shaped block 1, a soft-packaged lithium battery cell 2, two storage tanks 3 and a heat dissipation device 4, where the two storage tanks 3 are disposed on the front side and the rear side of the inner wall of the U-shaped block 1, the outer surface of the soft-packaged lithium battery cell 2 is used in cooperation with the inside of the U-shaped block 1, the front side and the rear side of the left side of the U-shaped block 1 are both fixedly installed with an insertion block 5, the front side and the rear side of the two insertion blocks 5 are both provided with fixing slots 6, the front side and the rear side of the right side of the heat dissipation device 4 are both provided with insertion slots 7, the inside of the two insertion slots 7 are both provided with fixing mechanisms 8, the inside of the two insertion slots 7 is inserted into the outer surface of the insertion block 5, the left side and the right side of the inner wall of the front storage tank 3 are both provided with positioning slots 9, the inside of the storage tank 3 is used in cooperation with a temperature detection device 10, the placing grooves 11 have been all seted up to the top and the bottom of temperature-detecting equipment 10, and the inside of two placing grooves 11 all is provided with positioning mechanism 12, and the inside cooperation of rear side storage tank 3 is used pressure detection equipment 13, and storing groove 14 has been seted up at the top of 3 inner walls of storage tank, and the inside of storing groove 14 is provided with protection machanism 15.
Referring to fig. 8, the front fixing mechanism 8 includes a fixing block 801, an outer surface of the fixing block 801 is slidably connected to an inside of the heat sink 4, a rear side of the fixing block 801 is engaged with an inside of the fixing groove 6, a rotating rod 802 is threadedly connected to an inside of the fixing block 801, a rotating block 803 is fixedly mounted to a front side of the rotating rod 802, and a front side of the rotating block 803 penetrates through the heat sink 4 and extends to a front side of the heat sink 4.
Adopt above-mentioned scheme: realize the power supply of whole fixed establishment 8 through the rotatory piece 803 of manpower, because of power can transmit, promote fixed block 801 and remove through rotary rod 802 in rotatory piece 803, just so can realize that fixed block 801 uses with the inside cooperation of fixed slot 6, make heat abstractor 4's installation effect better, radiating effect is also better simultaneously, realizes preliminary explosion-proof.
Referring to fig. 11, the outer surface of the rotating rod 802 is provided with an annular groove 16, an annular block 17 is used in cooperation with the inside of the annular groove 16, and the outer surface of the annular block 17 is used in cooperation with the inside of the heat sink 4.
Adopt above-mentioned scheme: by providing the annular groove 16, it is possible to achieve a rotational connection with the annular block 17 fixedly installed inside the heat sink 4, which not only enables the support of the rotating rod 802, but also enables the rotating rod 802 to rotate only without moving.
Referring to fig. 9, the positioning mechanism 12 includes a positioning block 1201, an outer surface of the positioning block 1201 is slidably connected to an inner wall of the placement groove 11, a right side of the positioning block 1201 is used in cooperation with an interior of the positioning groove 9, both a top and a bottom of a left side of the positioning block 1201 are movably connected to extrusion rods 1202, one ends of the two extrusion rods 1202 far away from the positioning block 1201 are slidably connected to the inner wall of the placement groove 11, and an extrusion spring 1203 is fixedly installed between the two extrusion rods 1202.
Adopt above-mentioned scheme: realize the power supply of whole positioning mechanism 12 through the locating piece 1201 atress, because of power can transmit, give extrusion spring 1203 a deformation power through the extrusion pole 1202 in the locating piece 1201 atress, just so can realize squeezing into the inside of standing groove 11 with locating piece 1201, thereby realize that temperature-detecting equipment 10 uses with the cooperation of storage tank 3, after waiting the cooperation to accomplish, because of the power effect mutual, extrusion spring 1203 also gives locating piece 1201 a same reaction force, just so can realize that locating piece 1201 uses with the cooperation of constant head tank 9, make the installation effect of temperature-detecting equipment 10 better, the effect of temperature detection is also better simultaneously, realize further explosion-proof.
Referring to fig. 9, a strip-shaped groove 18 is formed in the inner wall of the placement groove 11, two strip-shaped blocks 19 are slidably connected to the inside of the strip-shaped groove 18, and one ends, far away from the strip-shaped groove 18, of the two strip-shaped blocks 19 are movably connected with the extrusion rod 1202.
Adopt above-mentioned scheme: through setting up the bar groove 18, just so can realize the bar piece 19 sliding connection of extrusion pole 1202 left side swing joint, the position of restriction locating piece 1201 that so not only can be fine still enables the motion trail of locating piece 1201 more stable simultaneously.
Referring to fig. 9, the right sides of the two bar blocks 19 are fixedly provided with hinge seats 20, and the ends of the two hinge seats 20 far away from the bar blocks 19 are movably connected with the extrusion rod 1202.
Adopt above-mentioned scheme: by providing a hinged seat 20, the movement of the squeeze bar 1202 is made more effective.
Referring to fig. 10, the protection mechanism 15 includes a square block 1501, an outer surface of the square block 1501 is slidably connected with an inner wall of the storage tank 14, a bottom of the square block 1501 is used in cooperation with an inside of the pressure detection device 13, a bottom of the square block 1501 is fixedly provided with a first magnet 1502, a top of the square block 1501 is fixedly provided with a tension spring 1503, a top of the tension spring 1503 is fixedly connected with the inner wall of the storage tank 14, and a top of the square block 1501 is used in cooperation with a controller 1504.
Adopt above-mentioned scheme: realize the power supply of whole protection machanism 15 through first magnet 1502 atress, because of power can transmit, through square 1501 pulling extension spring 1503 deformation in first magnet 1502 atress, just so can realize square 1501 and pressure measurement equipment 13's inside cooperation and use, it has controller 1504 to use in inside cooperation simultaneously, just so can realize repelling mutually the like poles between first magnet 1502 and the second magnet 22 and changing into opposite polarities and inhaling mutually, make the effect of location better, pressure measurement's effect is also better simultaneously, make explosion-proof effect better.
Referring to fig. 10, a square groove 21 is formed in the top of the pressure detection device 13, a second magnet 22 is fixedly mounted inside the square groove 21, the inside of the square groove 21 is inserted into the inside of the square block 1501, and the top of the second magnet 22 is magnetically connected with the bottom of the first magnet 1502.
Adopt above-mentioned scheme: through setting up square groove 21, realize depositing to second magnet 22, not only can use with the cooperation of square piece 1501 like this, also can make the effect of location better simultaneously.
Referring to fig. 10, the matching groove 23 is formed in the left side and the right side of the inside of the storage groove 14, the matching blocks 24 are fixedly mounted on the left side and the right side of the square block 1501, and one ends of the two matching blocks 24, which deviate from each other, are slidably connected with the inside of the matching groove 23.
Adopt above-mentioned scheme: through setting up cooperation groove 23, just so can realize using with square piece 1501 left and right sides fixed mounting's cooperation piece 24 cooperation, make square piece 1501's motion effect better.
In addition, the invention also provides an explosion-proof method of the battery cell structure of the explosion-proof soft package lithium battery, which comprises the following steps:
firstly, heat dissipation of a soft package lithium battery cell is achieved through heat dissipation equipment, and overhigh temperature is prevented;
secondly, realizing temperature detection of the soft package lithium battery cell through temperature detection equipment;
and finally, the expansion of the soft package lithium battery cell can be well detected through pressure detection equipment, so that better explosion prevention is realized.
The working principle of the invention is as follows:
when the fixing mechanism is used, firstly, the power source of the whole fixing mechanism 8 is realized by manually rotating the rotating block 803, because the force can be transmitted, the fixing block 801 is pushed to move by the rotating rod 802 while the rotating block 803 is rotated, so that the fixing block 801 and the fixing groove 6 can be matched and used, meanwhile, by arranging the annular groove 16, the fixing mechanism can be rotatably connected with the annular block 17 fixedly installed in the heat dissipation device 4, thereby not only realizing the support of the rotating rod 802, but also enabling the rotating rod 802 to only rotate and not to move, leading the installation effect of the heat dissipation device 4 to be better, leading the heat dissipation effect to be better, realizing the preliminary explosion prevention, secondly, the power source of the whole positioning mechanism 12 is realized by the stress of the positioning block 1201, because the force can be transmitted, the extrusion rod 1202 gives a deformation force to the extrusion spring 1203 when the positioning block 1201 is stressed, therefore, the positioning block 1201 can be squeezed into the placing groove 11, the temperature detection device 10 and the storage groove 3 can be used in a matched mode, after the matching is completed, due to the fact that the force action is mutual, the extrusion spring 1203 also gives the positioning block 1201 the same reaction force, the positioning block 1201 and the positioning groove 9 can be used in a matched mode, meanwhile, due to the fact that the strip-shaped groove 18 is formed, the strip-shaped block 19 movably connected to the left side of the extrusion rod 1202 can be connected in a sliding mode, the position of the positioning block 1201 can be well limited, meanwhile, the motion track of the positioning block 1201 is enabled to be more stable, the installation effect of the temperature detection device 10 is better, meanwhile, the temperature detection effect is better, further explosion prevention is achieved, finally, the power source of the whole protection mechanism 15 is achieved through the stress of the first magnet 1502, due to the fact that the force can be transmitted, the tension spring 1501 is pulled to deform through the square block when the first magnet 1502 is stressed, just so can realize square piece 1501 and pressure measurement equipment 13's inside cooperation and use, it has controller 1504 to use simultaneously in inside cooperation, just so can realize repelling the like poles between first magnet 1502 and the second magnet 22 and changing into opposite polarities attracting each other, simultaneously through setting up square groove 21, realize depositing to second magnet 22, not only can use with the cooperation of square piece 1501 like this, make the effect of location better, pressure measurement's effect is also better simultaneously, make explosion-proof effect better.
In summary, the following steps: this soft packet of lithium battery cell structure of explosion-proof type realizes the heat dissipation to soft packet of lithium battery cell 2 through setting up heat-radiating equipment 4, prevents that soft packet of lithium battery cell 2's temperature is too high, causes the short circuit to appear in inside circuit, sets up temperature-detecting equipment 10 simultaneously, just so can realize fine detection soft packet of lithium battery cell 2's temperature, has solved the poor problem of current explosion-proof effect.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a soft packet of lithium cell electricity core structure of explosion-proof type, includes U-shaped piece (1), soft packet of lithium cell electricity core (2), two storage tanks (3) and heat dissipation equipment (4), its characterized in that: the two storage grooves (3) are arranged on the front side and the rear side of the inner wall of the U-shaped block (1), the outer surface of the soft-package lithium battery cell (2) is matched with the inside of the U-shaped block (1) for use, the left front side and the rear side of the U-shaped block (1) are fixedly provided with the splicing blocks (5), the front sides and the rear sides of the two splicing blocks (5) are respectively provided with a fixed groove (6), the front side and the rear side of the right side of the heat dissipation equipment (4) are respectively provided with a splicing groove (7), the inside of each splicing groove (7) is respectively provided with a fixed mechanism (8), the inside of each splicing groove (7) is spliced with the outer surface of the splicing block (5), the left side and the right side of the inner wall of the storage groove (3) are respectively provided with a positioning groove (9), the inside of the storage groove (3) is matched with temperature detection equipment (10), and the top and the bottom of the temperature detection equipment (10) are respectively provided with a placement groove (11), positioning mechanisms (12) are arranged inside the two placing grooves (11), pressure detection equipment (13) is used inside the storing grooves (3) on the rear side in a matched mode, storage grooves (14) are formed in the top of the inner walls of the storing grooves (3), and protection mechanisms (15) are arranged inside the storage grooves (14).
2. The explosion-proof soft-package lithium battery cell structure of claim 1, wherein: front side fixed establishment (8) are including fixed block (801), the outside surface of fixed block (801) and the inside sliding connection of heat abstractor (4), the rear side of fixed block (801) uses with the inside cooperation of fixed slot (6), the inside threaded connection of fixed block (801) has rotary rod (802), the front side fixed mounting of rotary rod (802) has rotatory piece (803), the front side of rotatory piece (803) runs through heat abstractor (4) and extends to the front side of heat abstractor (4).
3. The explosion-proof soft-package lithium battery cell structure of claim 2, wherein: an annular groove (16) is formed in the outer surface of the rotating rod (802), an annular block (17) is used in the annular groove (16) in a matched mode, and the outer surface of the annular block (17) is used in the matched mode with the interior of the heat dissipation device (4).
4. The explosion-proof soft-package lithium battery cell structure of claim 1, wherein: the positioning mechanism (12) comprises a positioning block (1201), the outer surface of the positioning block (1201) is in sliding connection with the inner wall of the placing groove (11), the right side of the positioning block (1201) is matched with the inside of the positioning groove (9) for use, the top and the bottom of the left side of the positioning block (1201) are both movably connected with extrusion rods (1202), one ends, far away from the positioning block (1201), of the two extrusion rods (1202) are in sliding connection with the inner wall of the placing groove (11), and extrusion springs (1203) are fixedly installed between the two extrusion rods (1202).
5. The explosion-proof soft-package lithium battery cell structure of claim 4, wherein: a strip-shaped groove (18) is formed in the inner wall of the placing groove (11), two strip-shaped blocks (19) are connected to the inner portion of the strip-shaped groove (18) in a sliding mode, and one ends, far away from the strip-shaped groove (18), of the two strip-shaped blocks (19) are movably connected with the extrusion rod (1202).
6. The explosion-proof soft-package lithium battery cell structure of claim 5, wherein: hinged seats (20) are fixedly mounted on the right sides of the two strip-shaped blocks (19), and one ends, far away from the strip-shaped blocks (19), of the two hinged seats (20) are movably connected with the extrusion rod (1202).
7. The explosion-proof soft-package lithium battery cell structure of claim 1, wherein: protection machanism (15) are including square piece (1501), the surface of square piece (1501) and the inner wall sliding connection of storing groove (14), the bottom of square piece (1501) is used with the inside cooperation of pressure measurement equipment (13), the bottom fixed mounting of square piece (1501) has first magnet (1502), the top fixed mounting of square piece (1501) has extension spring (1503), the top of extension spring (1503) and the inner wall fixed connection of storing groove (14), the top cooperation of square piece (1501) is used and is had controller (1504).
8. The explosion-proof soft-package lithium battery cell structure of claim 7, wherein: the top of pressure measurement equipment (13) has been seted up square groove (21), the inside fixed mounting of square groove (21) has second magnet (22), the inside of square groove (21) is pegged graft with the inside of square piece (1501), the top of second magnet (22) is connected with the bottom magnetism of first magnet (1502).
9. The explosion-proof soft-package lithium battery cell structure of claim 7, wherein: matching groove (23) have all been seted up to the inside left and right sides in storing groove (14), the equal fixed mounting in the left and right sides of square piece (1501) has matching piece (24), and the one end that two matching pieces (24) deviate from mutually all with the inside sliding connection in matching groove (23).
10. An explosion-proof method for the explosion-proof soft-package lithium battery cell structure according to any one of claims 1 to 9, comprising the following steps:
firstly, heat dissipation of a soft package lithium battery cell is achieved through heat dissipation equipment, and overhigh temperature is prevented;
secondly, realizing temperature detection of the soft package lithium battery cell through temperature detection equipment;
and finally, the expansion of the soft package lithium battery cell can be well detected through pressure detection equipment, so that better explosion prevention is realized.
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