CN117525710A - Lithium battery with stab-resistant function - Google Patents

Lithium battery with stab-resistant function Download PDF

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Publication number
CN117525710A
CN117525710A CN202410024151.4A CN202410024151A CN117525710A CN 117525710 A CN117525710 A CN 117525710A CN 202410024151 A CN202410024151 A CN 202410024151A CN 117525710 A CN117525710 A CN 117525710A
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CN
China
Prior art keywords
battery
water
lithium battery
cavities
cavity
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Granted
Application number
CN202410024151.4A
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Chinese (zh)
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CN117525710B (en
Inventor
马明亮
周全元
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Shenzhen Changxingda New Energy Co ltd
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Shenzhen Changxingda New Energy Co ltd
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Priority to CN202410024151.4A priority Critical patent/CN117525710B/en
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/233Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions
    • H01M50/24Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions adapted for protecting batteries from their environment, e.g. from corrosion
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/42Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/48Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
    • H01M10/488Cells or batteries combined with indicating means for external visualization of the condition, e.g. by change of colour or of light density
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/60Heating or cooling; Temperature control
    • H01M10/61Types of temperature control
    • H01M10/613Cooling or keeping cold
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/60Heating or cooling; Temperature control
    • H01M10/65Means for temperature control structurally associated with the cells
    • H01M10/655Solid structures for heat exchange or heat conduction
    • H01M10/6556Solid parts with flow channel passages or pipes for heat exchange
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/60Heating or cooling; Temperature control
    • H01M10/65Means for temperature control structurally associated with the cells
    • H01M10/656Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
    • H01M10/6561Gases
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/60Heating or cooling; Temperature control
    • H01M10/65Means for temperature control structurally associated with the cells
    • H01M10/656Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
    • H01M10/6567Liquids
    • H01M10/6568Liquids characterised by flow circuits, e.g. loops, located externally to the cells or cell casings
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/60Heating or cooling; Temperature control
    • H01M10/65Means for temperature control structurally associated with the cells
    • H01M10/659Means for temperature control structurally associated with the cells by heat storage or buffering, e.g. heat capacity or liquid-solid phase changes or transition
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/233Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions
    • H01M50/242Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions adapted for protecting batteries against vibrations, collision impact or swelling
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/244Secondary casings; Racks; Suspension devices; Carrying devices; Holders characterised by their mounting method
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

Abstract

The invention belongs to the technical field of batteries, and particularly relates to a lithium battery with a puncture-proof function, which comprises an installation insulation bracket, a lithium battery core and two electrode rods, wherein the anode and the cathode of the lithium battery core are respectively and electrically connected with the corresponding electrode rods, the two electrode rods are respectively inserted into two side walls of the installation insulation bracket, the two electrode rods are fixedly sleeved with insulation end plates, the side walls of the two insulation end plates are integrally formed with installation sleeves, and the lithium battery core is fixedly arranged between the two installation sleeves. According to the invention, through multiple measures of combining rotation coordination, buffering and solidification heat absorption, the puncture resistance of the lithium battery can be greatly improved, the protection performance of the lithium battery is good, the weight of the lithium battery is not excessively increased, the heat dissipation efficiency of the lithium battery is improved, the use effect of the lithium battery is good, meanwhile, the position of the lower strength or concave deformation of the battery jacket can be monitored, and an alarm is given to remind personnel, so that the personnel can repair the defects of the battery jacket in time.

Description

Lithium battery with stab-resistant function
Technical Field
The invention belongs to the technical field of batteries, and particularly relates to a lithium battery with a puncture-proof function.
Background
Lithium batteries are one of the most commonly used batteries at present, and if the outer casing of the lithium battery is pierced, electrolyte inside the lithium battery may leak out and chemically react with moisture or other substances in the air, releasing combustible gas and heat, and even causing dangerous situations such as explosion or fire.
At present, in order to ensure the safety and stability of a lithium battery, a shell of the lithium battery needs to have strong puncture resistance, and dangerous phenomena such as explosion and the like of the lithium battery caused by external jacking are prevented, so that the puncture resistance of the lithium battery needs to be improved, such as the puncture-resistant lithium battery disclosed in patent publication number CN 103325987B;
the conventional measure for improving the puncture resistance of the lithium battery is to add a functional layer, such as a puncture resistant film, on the lithium battery shell or increase the thickness of the lithium battery shell so as to achieve the purpose of improving the puncture resistance of the lithium battery shell, however, excessively increasing the protective functional layer or increasing the thickness of the lithium battery shell not only excessively increases the weight of the lithium battery, but also affects the heat dissipation performance of the lithium battery and affects the use effect of the lithium battery.
Disclosure of Invention
The invention aims to solve the problems and provide a lithium battery with a puncture-proof function.
In order to achieve the above purpose, the present invention adopts the following technical scheme: the utility model provides a lithium cell with prevent thorn function, includes installation insulating bracket, lithium cell core and two electrode bars, the positive negative pole of lithium cell core respectively with corresponding electrode bar electric connection, and two electrode bars peg graft respectively in two lateral walls of installation insulating bracket, two the electrode bar is all fixed to be cup jointed insulating end plate, and the lateral wall of two insulating end plates all integrated into one piece is provided with the installation cover, the lithium cell core is located fixed setting between two installation covers, two the outer lateral wall of installation cover rotates jointly and is connected with the battery endotheca, the outside cover of battery endotheca is equipped with the battery overcoat, the outside wall integrated into one piece of battery endotheca is provided with a plurality of frustum archs, each the bellied top of frustum all is provided with a set of trapezium, and the tip of each trapezium all offsets with the inner wall of battery overcoat, each trapezium and homonymy frustum arch are installed together and are monitored the subassembly, battery endotheca and battery overcoat communicate jointly and are provided with the installation circulation confession liquid subassembly, and two adjacent are installed to the bottom of battery overcoat between the frustum arch and are all installed the solidification subassembly.
Preferably, each early warning monitoring component all includes the fixed T shape insulator spindle that sets up in trapezoidal piece tip, the cavity has been seted up to the bellied inside of frustum, and the wall sliding connection of the wall of T shape insulator spindle and cavity, fixed being equipped with the spring between the wall fixedly connected with two insulating pieces of the wall of T shape insulator spindle and cavity, and the equal fixed mounting of one end in opposite directions of two insulating pieces has the conducting block, the terminal surface fixed grafting of T shape insulator spindle has the conducting rod, the conducting rod sets up between two conducting blocks, the lateral wall lower extreme fixed mounting of battery overcoat has the installation piece, and the lateral wall grafting of installation piece has bee calling organ, when conducting rod and conducting block contact, can make bee calling organ circular telegram work.
Preferably, the heat dissipation assembly comprises a plurality of inner water through cavities formed in the inner part of the battery inner sleeve, a plurality of inner water through holes are formed in the inner part of the battery inner sleeve, two adjacent inner water through cavities are communicated through corresponding inner water through holes, a plurality of outer water through cavities are formed in the inner part of the battery outer sleeve, a plurality of outer water through holes are formed in the inner part of the battery outer sleeve, two adjacent outer water through cavities are communicated through corresponding outer water through holes, and one of the inner water through cavities and the corresponding outer water through cavities are fixedly spliced with a communicating pipe together.
Preferably, the circulation liquid supply assembly comprises a water storage block fixedly arranged at the bottom of the outer side wall of the battery jacket, the inside of the water storage block is hollow, a miniature water pump is fixedly arranged on the side wall of the water storage block, the suction end of the miniature water pump is communicated with the inside of the water storage block, the output end of the miniature water pump is fixedly provided with a water pipe, the water pipe is communicated with one inner water through cavity, the water storage block is communicated with one outer water through cavity on the same side, cooling water liquid is filled in the inside of the water storage block, the inner water through cavities and the inner water through cavities, the cooling water liquid flows clockwise along the inner water through cavities and the inner water through holes, and the cooling water liquid flows anticlockwise along the outer water through cavities and the outer water through holes.
Preferably, each piercing curing assembly comprises a metal sealing cover, the metal sealing covers are fixedly arranged between two frustum bulges at the same side, and super glue is filled in the metal sealing covers.
Preferably, the mounting groove is offered to the lateral wall of installation piece, and the tank bottom fixed mounting of mounting groove has the wiring board, wiring board and two electrode bars electric connection, miniature water pump and buzzer all with wiring board electric connection, the notch encapsulation of mounting groove has detachable apron.
Preferably, the fixed cover of lateral wall of battery overcoat is equipped with the solid fixed ring, and the lateral wall of solid fixed ring has seted up a plurality of circular slots corresponding with frustum protruding position, and the tank bottom of each circular slot all fixed mounting has the lamp pearl, and each lamp pearl all with wiring board electric connection, when conducting rod and conducting block contact, can make the lamp pearl circular telegram work that corresponds.
Preferably, the diameter of both of the insulating end plates is smaller than the inner diameter of the battery outer case, so that outside flowing air can pass through the gap between the battery outer case and the battery inner case.
Compared with the prior art, the lithium battery with the stab-resistant function has the advantages that:
1. through the mutually supporting of the installation insulating bracket, lithium cell core, electrode bar, insulating end plate and the installation cover that set up, can store the power, and supply power for external equipment, and through the mutually supporting of the battery endotheca that sets up, battery overcoat, frustum arch, trapezoidal piece, can be through the rotatable design of lithium cell shell, when receiving outside top thorn force, can unload the power through rotatory mode, thereby can reduce the possibility of being impaled between the lithium cell core, improve lithium cell's safety in utilization, and keep good ventilation clearance between battery overcoat and the battery endotheca, not only can not excessively increase lithium cell's whole weight, moreover can do benefit to lithium cell's heat dissipation.
2. Through the early warning monitoring component that sets up, can utilize the outer top power to the battery overcoat, carry out real-time supervision to the intensity of battery overcoat, thereby can be when the battery overcoat leads to intensity to become low because of reasons such as ageing, corruption, also can receive extrusion deformation at the battery overcoat, automatic alarm suggestion personnel, thereby can be convenient for in time overhaul the battery overcoat and change, simultaneously, early warning monitoring component can be when receiving outside top thorn power, carry out certain buffering to top thorn power, further reduce the possibility that lithium cell core was impaled.
3. Through the mutually supporting of the radiating component and the circulation confession liquid subassembly that set up, can be through the aqueous solution of inside and outside circulation flow, supplementary lithium cell core carries out quick heat dissipation, thereby can ensure the heat that lithium cell core during operation produced in time dispel, the ventilation clearance between cooperation battery overcoat and the battery endotheca, can improve the radiating efficiency to lithium cell core greatly, simultaneously, the cooperation sets up impales the solidification subassembly, can utilize radiating circulating water liquid and super glue to contact when the battery overcoat is impaled, make super glue solidify immediately, utilize super glue's solidification, not only can increase the frictional resistance to the device of impaled the battery overcoat, further improve the protective properties to lithium cell core, heat absorption ability when can utilize super glue solidification moreover, reduce the temperature of impaled point position department, prevent the instantaneous high temperature of impaled point position from influencing lithium cell's safety.
Drawings
Fig. 1 is a schematic structural view of a lithium battery with an anti-puncture function according to the present invention;
fig. 2 is a schematic sectional view of a lithium battery with an anti-puncture function according to the present invention;
fig. 3 is an enlarged view of the portion a of fig. 2 of a lithium battery having a puncture preventing function according to the present invention;
FIG. 4 is a schematic diagram of a side view connection structure of an outer battery case and an inner battery case of a lithium battery with an anti-sticking function according to the present invention;
fig. 5 is an enlarged view of the structure of part B in fig. 4 of a lithium battery with a puncture preventing function according to the present invention;
fig. 6 is a schematic view of the internal structure of a cavity of a lithium battery with a puncture preventing function according to the present invention;
fig. 7 is an enlarged view of the structure of the portion C in fig. 4 of a lithium battery having a puncture preventing function according to the present invention.
In the figure: 1 mounting an insulating bracket, 2 lithium battery cores, 3 electrode rods, 4 insulating end plates, 5 mounting sleeves, 6 battery inner sleeves, 7 battery outer sleeves, 8 frustum bulges, 9 trapezoidal blocks, 10 early warning monitoring components, 101T-shaped insulating rods, 102 cavities, 103 springs, 104 insulating blocks, 105 conducting blocks, 106 conducting rods, 107 mounting blocks, 108 buzzers, 11 radiating components, 111 inner water cavities, 112 inner water holes, 113 outer water cavities, 114 outer water holes, 115 communicating pipes, 12 circulating liquid supply components, 121 water storage blocks, 122 micro water pumps, 123 water pipes, 124 cooling water, 13 penetrating solidification components, 131 metal sealing covers, 132 super glue, 14 mounting grooves, 15 wiring boards, 16 cover plates, 17 fixing rings, 18 round grooves and 19 lamp beads.
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.
As shown in fig. 1-7, a lithium battery with stab-resistant function comprises an installation insulation bracket 1, a lithium battery core 2 and two electrode rods 3, wherein the anode and the cathode of the lithium battery core 2 are respectively and electrically connected with the corresponding electrode rods 3, the two electrode rods 3 are respectively inserted into two side walls of the installation insulation bracket 1, the two electrode rods 3 are fixedly sleeved with insulation end plates 4, the side walls of the two insulation end plates 4 are integrally formed with installation sleeves 5, the lithium battery core 2 is fixedly arranged between the two installation sleeves 5, the outer side walls of the two installation sleeves 5 are jointly connected with a battery inner sleeve 6 in a rotating manner, the outer side walls of the battery inner sleeve 6 are sleeved with a battery outer sleeve 7, the outer side walls of the battery inner sleeve 6 are integrally formed with a plurality of frustum bulges 8, the diameters of the two insulation end plates 4 are smaller than the inner diameters of the battery outer sleeve 7, so that outside flowing air can flow through gaps between the battery outer sleeve 7 and the battery inner sleeve 6, as a ventilation gap for flowing air exists between the battery outer sleeve 7 and the battery inner sleeve 6, the cooling capacity of the battery core 2 can be improved due to the fact that the cooling capacity of the battery inner sleeve 6 can be increased.
The upper side of each frustum arch 8 all is provided with a set of trapezoidal piece 9, and the tip of each trapezoidal piece 9 all offsets with the inner wall of battery overcoat 7, each trapezoidal piece 9 installs early warning monitoring component 10 with the frustum arch 8 of homonymy jointly, each early warning monitoring component 10 all includes the T-shaped insulator spindle 101 that fixedly sets up in trapezoidal piece 9 tip, cavity 102 has been seted up to the inside of frustum arch 8, and the pole wall of T-shaped insulator spindle 101 and the cavity wall sliding connection of cavity 102, fixed being equipped with spring 103 between the upper chamber wall of T-shaped insulator spindle 101 and cavity 102, the cavity wall fixedly connected with two insulating pieces 104 of cavity 102, and the terminal surface fixed grafting of two insulating pieces 104 has conducting rod 106, conducting rod 106 sets up between two conducting rods 105, the lateral wall lower extreme fixed mounting of battery overcoat 7 has installation piece 107, and the lateral wall grafting of installation piece 107 has bee calling organ 108, when conducting rod 106 and conducting rod 105 contact, can make bee calling organ 108 work, the cell 108 is fixed to be connected with two insulating pieces 104, the time 7 when the battery 7 is the deformation condition of the overcoat is probably described to take place, the maintenance personnel is carried out to the maintenance condition immediately.
The battery inner sleeve 6 and the battery outer sleeve 7 are jointly communicated with the heat dissipation assembly 11, the heat dissipation assembly 11 comprises a plurality of inner water through cavities 111 formed in the battery inner sleeve 6, a plurality of inner water through holes 112 are formed in the battery inner sleeve 6, two adjacent inner water through cavities 111 are communicated through the corresponding inner water through holes 112, a plurality of outer water through cavities 113 are formed in the battery outer sleeve 7, a plurality of outer water through holes 114 are formed in the battery outer sleeve 7, two adjacent outer water through cavities 113 are communicated through the corresponding outer water through holes 114, one inner water through cavity 111 and the corresponding outer water through cavity 113 are fixedly inserted with a communicating pipe 115 jointly, the inner water through cavities 111 for inlet water and the inner water through cavities 111 for outlet water are not communicated, and the outer water through cavities 113 at the inlet and the outer water through cavities 113 at the outlet water are not communicated.
The bottom of battery case 7 installs circulation feed liquid subassembly 12, circulation feed liquid subassembly 12 is including fixing the water storage piece 121 that sets up in battery case 7 lateral wall bottom, and the inside of water storage piece 121 is hollow setting, the lateral wall fixed mounting of water storage piece 121 has miniature pump 122, miniature pump 122's suction end is linked together with the inside of water storage piece 121, miniature pump 122's output fixed mounting has raceway 123, and raceway 123 is linked together with one of them interior water cavity 111, water storage piece 121 is linked together with one outside water cavity 113 of homonymy, the inside of water storage piece 121 and the inside of each interior water cavity 111 and each outside water cavity 113 all are filled with coolant 124, coolant 124 flows along each interior water cavity 111 and interior water hole 112 clockwise, and coolant 124 flows anticlockwise along each outside water cavity 113 and outside water hole 114, coolant 124 can absorb the heat that lithium cell core 2 produced when working when flowing through interior water cavity 111, and give off heat in outside air through battery case 7 to outside air through the battery case 113.
And piercing curing assemblies 13 are arranged between every two adjacent frustum bulges 8, each piercing curing assembly 13 comprises a metal sealing cover 131, the metal sealing covers 131 are fixedly arranged between the two frustum bulges 8 on the same side, super glue 132 is filled in the metal sealing covers 131, and polymerization reaction is generated when cyanoacrylate serving as an active ingredient of the super glue 132 contacts with moisture, so that the super glue 132 is immediately cured, and the method is the prior art and is not repeated herein.
The mounting groove 14 has been seted up to the lateral wall of installation piece 107, and the tank bottom fixed mounting of mounting groove 14 has wiring board 15, wiring board 15 and two electrode bars 3 electric connection, miniature water pump 122 and buzzer 108 all with wiring board 15 electric connection, the notch encapsulation of mounting groove 14 has detachable apron 16, adopt the wire that possesses rotary joint to connect between wiring board 15 and the electrode bars 3 to can not influence the normal rotation of battery overcoat 7, rotary joint's wire is prior art, so will not be repeated here.
The fixed cover of lateral wall of battery overcoat 7 is equipped with solid fixed ring 17, and gu fixed ring 17's lateral wall has seted up a plurality of circular slots 18 corresponding with frustum arch 8 position, and the tank bottom of each circular slot 18 is all fixed mounting has lamp pearl 19, and each lamp pearl 19 all is with terminal plate 15 electric connection, when conducting rod 106 and conducting block 105 contact, can make the lamp pearl 19 that corresponds work of switching on, when battery overcoat 7 intensity becomes low or indent deformation appears, the lamp pearl 19 of corresponding position department can light, can fix a position the defect position on the battery overcoat 7 fast through looking over the lamp pearl 19 that lights.
The principle of operation of the present invention will now be described as follows: the whole device can be fixedly installed by installing the insulating bracket 1, and the lithium battery core 2 can be charged and discharged by the two electrode rods 3;
when the battery cover 7 is normally used, the spring 103 applies a jacking force to the battery cover 7 under the rebound action, if the battery cover 7 is partially aged or the strength of the part is lowered due to corrosion and the like, the position of the battery cover 7 is subjected to the jacking force of the T-shaped insulating rod 101 and is deformed outwards, at the moment, the conductive rod 106 on the T-shaped insulating rod 101 is contacted with the corresponding conductive block 105, so that a connecting loop between the buzzer 108 and the wiring board 15 and a connecting loop between the corresponding lamp bead 19 and the wiring board 15 can be connected, at the moment, the buzzer 108 sounds an alarm, the lamp bead 19 is lightened, after hearing the buzzer 108 sounds, a person can know the defect position of the battery cover 7 with lowered strength by checking the position of the lightened lamp bead 19, at the moment, the battery cover 7 can be replaced or overhauled, and if the battery cover 7 is subjected to external impact to cause the deformation of the battery cover 7, at the moment, the side wall of the battery cover 7 is deformed inwards, the battery cover 7 can press the trapezoidal block 9 at the corresponding position to drive the T-shaped insulating rod 9 to move the corresponding lamp bead 19 to the corresponding position, at the moment, the lamp bead 19 is also correspondingly contracted with the conductive rod 101, and the lamp bead is correspondingly deformed, and the lamp bead 101 can be timely repaired, so that the lamp bead is correspondingly contacted with the lamp bead 101;
when the lithium battery pack is normally used, the miniature water pump 122 is started, the miniature water pump 122 can pump out the cooling water 124 in the water storage block 121, and convey the cooling water 124 into the corresponding inner water through cavities 111 through the water conveying pipe 123, the cooling water 124 can flow clockwise along the inner water through cavities 111 under the cooperation of the inner water through cavities 112, then the cooling water 124 can enter the inner water through cavities 113 through the communicating pipe 115, the cooling water 124 can flow anticlockwise along the outer water through cavities 113 under the cooperation of the outer water through holes 114, finally the cooling water flows back into the water storage block 121, so that the cooling water 124 circulates, heat generated during the operation of the lithium battery pack 2 can be absorbed when the cooling water 124 flows in the inner water through cavities 111, and the heat is emitted into the outside air through the battery outer sleeve 7 when the cooling water flows into the outer water through cavities 113, so that the heat dissipation of the lithium battery pack 2 can be completed, and as gaps of the flowable air exist between the battery outer sleeve 7 and the battery inner sleeve 6, the air can flow anticlockwise through the battery outer sleeve 7 and the battery inner sleeve 6, and the heat dissipation capacity of each battery pack 8 can be further improved, and the heat dissipation capacity of the lithium battery pack can be further improved;
when the external penetrating force is applied, the external penetrating member is contacted with the battery outer sleeve 7, as the battery outer sleeve 7 and the battery inner sleeve 6 can rotate around the mounting sleeve 5, the battery outer sleeve 7 can be acted by the acting force in the radial direction as long as the force applied by the penetrating member is not perpendicular to the surface of the battery outer sleeve 7, at the moment, the battery outer sleeve 7 can drive the battery inner sleeve 6 to rotate around the mounting sleeve 5 under the action of the acting force, so that the penetrating force can be discharged, the penetrating member is prevented from directly penetrating the battery outer sleeve 7 as much as possible, if the penetrating force applied by the penetrating member to the battery outer sleeve 7 is perpendicular to the battery outer sleeve 7, the penetrating member penetrates through the battery outer sleeve 7, the inclined surfaces at two sides of the trapezoidal block 9 and the conical table bulge 8 act as well, the end parts of the penetrating member also penetrate through the two conical table bulges 8, and the trapezoidal block 9 at the corresponding positions can act as penetrating through the battery outer sleeve 7, the spring 103 can be stretched, the penetrating force can be carried out by the spring 103, the penetrating member can be directly penetrated through the battery outer sleeve 7, the adhesive force of the metallic adhesive tape can be solidified at the corresponding to the top water cover 132, the cooling water cover 132 can be contacted with the cooling water cover 132 when the cooling water cover is contacted with the surface of the outer sleeve 124, the cooling water cover 132 can be contacted with the cooling water cover 132, and the cooling adhesive layer 132 can be contacted with the surface of the cooling water cover, and the cooling water cover 132 can be contacted with the surface, and the surface of the cooling water cover 132, the friction resistance to the propping piece can be increased, so that the propping piece can be blocked again, the possibility that the lithium battery core 2 is pierced is further reduced, and heat can be absorbed when the super glue 132 absorbs water and solidifies, therefore, under the action of heat absorption of the cooling water liquid 124 and the action of solidification heat absorption of the super glue 132, the instant high temperature generated by propping friction on the propping piece can be effectively reduced, and the instant high temperature generated during propping can be prevented from affecting the safety of the lithium battery core 2.
The foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the invention are intended to be included within the scope of the invention.

Claims (8)

1. The utility model provides a lithium battery with prevent thorn function, includes installation insulating bracket (1), lithium cell core (2) and two electrode bars (3), its characterized in that, the positive negative pole of lithium cell core (2) respectively with corresponding electrode bar (3) electric connection, and two electrode bars (3) peg graft respectively in two lateral walls of installation insulating bracket (1), two electrode bar (3) are all fixed sleeve joint insulating end plate (4), and the lateral wall equal integrated into one piece of two insulating end plate (4) is provided with installation cover (5), lithium cell core (2) are located fixed setting between two installation covers (5), two the lateral wall joint rotation of installation cover (5) is connected with battery endotheca (6), the outside cover of battery endotheca (6) is equipped with battery overcoat (7), the outside wall integrated into one piece of battery endotheca (6) is provided with a plurality of taper table arch (8), and the top of each taper table arch (8) all is provided with a set of trapezoidal piece (9), and the tip of each trapezoidal piece (9) offsets with battery overcoat (7) inner wall and each of battery overcoat (7), the same thermal module (10) and common connection have, respectively the thermal module (11), and the bottom of the battery jacket (7) is provided with a circulating liquid supply assembly (12), and a puncture curing assembly (13) is arranged between every two adjacent frustum bulges (8).
2. The lithium battery with stab-resistant function according to claim 1, wherein each early warning monitoring component (10) comprises a T-shaped insulating rod (101) fixedly arranged at the end part of a trapezoid block (9), a cavity (102) is formed in the frustum bulge (8), the rod wall of the T-shaped insulating rod (101) is in sliding connection with the cavity wall of the cavity (102), a spring (103) is fixedly arranged between the T-shaped insulating rod (101) and the upper cavity wall of the cavity (102), the cavity wall of the cavity (102) is fixedly connected with two insulating blocks (104), one ends of the two insulating blocks (104) opposite to each other are fixedly provided with a conducting block (105), a conducting rod (106) is fixedly inserted into the end face of the T-shaped insulating rod (101), the conducting rod (106) is arranged between the two conducting blocks (105), a mounting block (107) is fixedly arranged at the lower end of the outer side wall of the battery jacket (7), and a buzzer (108) is inserted into the side wall of the mounting block (107), and the conducting rod (106) is in contact with the buzzer (105), so that the buzzer (108) can work.
3. The lithium battery with the stab-resistant function according to claim 2, wherein the heat dissipation component (11) comprises a plurality of inner water through cavities (111) formed in the battery inner sleeve (6), a plurality of inner water through holes (112) are formed in the battery inner sleeve (6), two adjacent inner water through cavities (111) are communicated through the corresponding inner water through holes (112), a plurality of outer water through cavities (113) are formed in the battery outer sleeve (7), a plurality of outer water through holes (114) are formed in the battery outer sleeve (7), the two adjacent outer water through cavities (113) are communicated through the corresponding outer water through holes (114), and one inner water through cavity (111) and the corresponding outer water through cavity (113) are fixedly spliced with a communicating pipe (115) together.
4. The lithium battery with the stab-resistant function according to claim 3, wherein the circulating liquid supply assembly (12) comprises a water storage block (121) fixedly arranged at the bottom of the outer side wall of the battery jacket (7), the inside of the water storage block (121) is hollow, a miniature water pump (122) is fixedly arranged on the side wall of the water storage block (121), the suction end of the miniature water pump (122) is communicated with the inside of the water storage block (121), a water delivery pipe (123) is fixedly arranged at the output end of the miniature water pump (122), the water delivery pipe (123) is communicated with one of the inner water communication cavities (111), the water storage block (121) is communicated with one of the outer water communication cavities (113) on the same side, the inside of the water storage block (121) is filled with cooling water liquid (124) in the inner water communication cavities (111) and the outer water communication cavities (113), the cooling water liquid (124) flows clockwise along the inner water communication cavities (111) and the inner water communication holes (112), and the cooling water liquid (124) flows anticlockwise along the outer water communication cavities (113).
5. The lithium battery with the stab-resistant function according to claim 4, wherein each puncture curing assembly (13) comprises a metal sealing cover (131), the metal sealing covers (131) are fixedly arranged between two frustum bulges (8) on the same side, and super glue (132) is filled in the metal sealing covers (131).
6. The lithium battery with the stab-resistant function according to claim 4, wherein a mounting groove (14) is formed in the side wall of the mounting block (107), a wiring board (15) is fixedly arranged at the bottom of the mounting groove (14), the wiring board (15) is electrically connected with the two electrode bars (3), the micro water pump (122) and the buzzer (108) are electrically connected with the wiring board (15), and a detachable cover plate (16) is packaged in a notch of the mounting groove (14).
7. The lithium battery with the stab-resistant function according to claim 6, wherein a fixing ring (17) is fixedly sleeved on the outer side wall of the battery jacket (7), a plurality of round grooves (18) corresponding to the frustum protrusions (8) are formed in the outer side wall of the fixing ring (17), lamp beads (19) are fixedly arranged at the bottoms of the round grooves (18), the lamp beads (19) are electrically connected with the wiring board (15), and when the conductive rod (106) is in contact with the conductive block (105), the corresponding lamp beads (19) can be electrified to work.
8. A lithium battery with stab-resistant function according to claim 1, characterized in that the diameter of both insulating end plates (4) is smaller than the inner diameter of the battery outer jacket (7), allowing outside flowing air to pass through the gap between the battery outer jacket (7) and the battery inner jacket (6).
CN202410024151.4A 2024-01-08 2024-01-08 Lithium battery with stab-resistant function Active CN117525710B (en)

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103325987A (en) * 2013-05-30 2013-09-25 苏州启智机电技术有限公司 Punching-resistant lithium battery
CN110299554A (en) * 2019-07-05 2019-10-01 重庆中凯科技有限公司 A kind of lithium battery for novel electric vehicle
CN211507806U (en) * 2019-12-23 2020-09-15 深圳市华安宏瑞科技有限公司 Explosion-proof assembled lithium battery
CN212571200U (en) * 2020-07-06 2021-02-19 徐州麦通环保科技有限公司 Lithium battery with self-heat-dissipation structure
CN213936373U (en) * 2021-01-07 2021-08-10 深圳市金颖电子科技有限公司 Entrance guard's power with prevent puncture function
CN114050365A (en) * 2021-11-02 2022-02-15 袁康 Deformation self-compensating type lithium battery pack adaptable to discharge expansion
US20220223947A1 (en) * 2020-07-03 2022-07-14 Continental Structure Plastics, Inc. Puncture resistant shield of a battery containment system
CN115841886A (en) * 2023-01-06 2023-03-24 安徽迅普科技有限公司 Charging cable for new energy automobile

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103325987A (en) * 2013-05-30 2013-09-25 苏州启智机电技术有限公司 Punching-resistant lithium battery
CN110299554A (en) * 2019-07-05 2019-10-01 重庆中凯科技有限公司 A kind of lithium battery for novel electric vehicle
CN211507806U (en) * 2019-12-23 2020-09-15 深圳市华安宏瑞科技有限公司 Explosion-proof assembled lithium battery
US20220223947A1 (en) * 2020-07-03 2022-07-14 Continental Structure Plastics, Inc. Puncture resistant shield of a battery containment system
CN212571200U (en) * 2020-07-06 2021-02-19 徐州麦通环保科技有限公司 Lithium battery with self-heat-dissipation structure
CN213936373U (en) * 2021-01-07 2021-08-10 深圳市金颖电子科技有限公司 Entrance guard's power with prevent puncture function
CN114050365A (en) * 2021-11-02 2022-02-15 袁康 Deformation self-compensating type lithium battery pack adaptable to discharge expansion
CN115841886A (en) * 2023-01-06 2023-03-24 安徽迅普科技有限公司 Charging cable for new energy automobile

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