CN111477991A - Treasured charges based on lithium ion battery cell - Google Patents

Treasured charges based on lithium ion battery cell Download PDF

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Publication number
CN111477991A
CN111477991A CN202010161238.8A CN202010161238A CN111477991A CN 111477991 A CN111477991 A CN 111477991A CN 202010161238 A CN202010161238 A CN 202010161238A CN 111477991 A CN111477991 A CN 111477991A
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CN
China
Prior art keywords
lithium ion
cylinder body
energy storage
shell
piston
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CN202010161238.8A
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Chinese (zh)
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CN111477991B (en
Inventor
傅钊
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Anhui Qianchuan Power Lithium Battery Technology Co ltd
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Anhui Qianchuan Power Lithium Battery Technology Co ltd
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Priority to CN202010161238.8A priority Critical patent/CN111477991B/en
Publication of CN111477991A publication Critical patent/CN111477991A/en
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Publication of CN111477991B publication Critical patent/CN111477991B/en
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    • 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
    • H01M10/42Methods 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
    • H01M10/63Control systems
    • H01M10/637Control systems characterised by the use of reversible temperature-sensitive devices, e.g. NTC, PTC or bimetal devices; characterised by control of the internal current flowing through the cells, e.g. by switching
    • 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
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0029Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2200/00Safety devices for primary or secondary batteries
    • H01M2200/10Temperature sensitive devices
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2200/00Safety devices for primary or secondary batteries
    • H01M2200/10Temperature sensitive devices
    • H01M2200/101Bimetal
    • 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

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Secondary Cells (AREA)
  • Power Engineering (AREA)
  • Automation & Control Theory (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

The invention relates to a charger baby based on a lithium ion cell, which comprises a shell mechanism, a charging and discharging mechanism and an explosion-proof mechanism, wherein the shell mechanism comprises a charger baby shell, a cavity is arranged in the charger baby shell, and the charging and discharging mechanism and the explosion-proof mechanism are arranged in the cavity of the charger baby shell; the explosion-proof mechanism comprises cooling liquid, a cylinder body, a piston rod, an energy storage piece, a buckling mechanism and a tripping mechanism, the cylinder body is fixedly connected with the shell mechanism, a cylinder chamber is arranged in the cylinder body, the piston which is in interference fit with the cylinder body is arranged in the cylinder chamber, the piston and the cylinder body form a sealed space, the lower end of the piston is fixedly connected with the piston rod, the piston rod is connected with the energy storage piece and the buckling mechanism, and the buckling mechanism is connected with the tripping mechanism; according to the invention, through the overheat triggering of the lithium ion battery cell, the explosion-proof mechanism can spray cooling liquid to cool the overheated battery cell, so that the subsequent chain reaction of lithium ions can not occur, the possibility of combustion and explosion is reduced, and the safety of a user is protected.

Description

Treasured charges based on lithium ion battery cell
Technical Field
The invention belongs to the technical field of lithium ion batteries, and particularly relates to a charger based on a lithium ion battery.
Background
During charging and discharging, L i + is inserted and extracted back and forth between two electrodes, L i + is extracted from positive electrode and inserted into negative electrode through electrolyte, and negative electrode is in rich state.
Lithium batteries are classified into lithium batteries and lithium ion batteries. Lithium ion batteries are used in mobile phones and notebook computers, and are commonly called as lithium batteries. The battery generally adopts a material containing lithium element as an electrode, and is a representative of modern high-performance batteries.
And lithium ion battery also is used gradually to the treasured that charges, and the treasured that charges that adopts lithium ion battery as electric core structurally designs can be more outstanding, because lithium ion battery's volume is less, and the treasured that charges wants little and thin orientation design at present, but the treasured that charges can not be equated with the cell-phone, and the treasured that charges still should consider other functions when considering the electric storage capacity as portable power source.
Because the charger generally pursues the large capacity, this kind of lithium ion battery of the little volume of large capacity is compared with ordinary lithium ion battery and takes place overheated and follow-up chain combustion reaction more easily, causes the harm to the user.
Disclosure of Invention
In order to solve the above problems, an object of the present invention is to provide a charger based on a lithium ion battery cell, which can spray a coolant to cool an overheated battery cell.
The invention realizes the purpose through the following technical scheme:
a charger baby based on a lithium ion cell comprises a shell mechanism, a charging and discharging mechanism and an explosion-proof mechanism, wherein the shell mechanism comprises a charger baby shell with a cavity inside, and the charging and discharging mechanism and the explosion-proof mechanism are arranged in the cavity of the charger baby shell;
the explosion-proof mechanism comprises cooling liquid, a cylinder body, a piston rod, an energy storage piece, a buckling mechanism and a tripping mechanism, the cylinder body is fixedly connected with a shell mechanism, a cylinder chamber is arranged in the cylinder body, the piston which is in interference fit with the cylinder body is arranged in the cylinder chamber, the piston and the cylinder body form a sealed space, the sealed space is filled with the cooling liquid, the lower end of the piston is fixedly connected with the piston rod, the piston rod is connected with the energy storage piece and the buckling mechanism, the buckling mechanism is connected with the tripping mechanism, the energy storage piece can store energy for the piston rod, the buckling mechanism keeps the state of the energy storage piece, the tripping mechanism triggers the buckling mechanism to separate, the energy storage piece is released, the energy storage piece releases energy to push the piston to move towards the inside of the cylinder body, the pressure in.
As a further optimization scheme of the invention, a liquid outlet is arranged on one side of the cylinder body and faces the charging and discharging mechanism.
As a further optimization scheme of the invention, the charge and discharge mechanism comprises a lithium ion cell, a circuit board, a charge interface and a discharge interface, the lithium ion cell and the circuit board are arranged in the shell mechanism, and the circuit board is connected with the charge interface and the discharge interface on the charger shell. And a charging and discharging circuit is arranged on the circuit board and is used for supporting the charging and discharging of the lithium ion battery cell.
As a further optimization scheme of the invention, a blockage is arranged on the liquid outlet. The plug has a certain plug pressure so that the coolant is not discharged in a normal state.
As a further optimization scheme of the invention, the energy storage part comprises an energy storage spring, an upper spring seat and a lower spring seat, the upper spring seat is fixedly connected with the cylinder body, the lower spring seat is fixedly connected with the piston rod, and the energy storage spring is arranged between the lower spring seat and the upper spring seat. The energy storage spring can be used for storing energy by stretching, and the energy storage spring can drive the piston rod and the piston to push upwards by releasing energy when the lower spring seat is released.
As a further optimized scheme of the invention, the buckling mechanism comprises a clamping seat, a clamping pin and a pin seat, the clamping seat is fixedly connected with the lower end of the piston rod, the clamping seat is provided with a pin hole in clearance fit with the clamping pin, the clamping pin penetrates through the pin hole and is inserted into the clamping pin, the clamping pin is fixedly connected with the shell mechanism, the part of the clamping pin extending out of the left side of the clamping seat is provided with a thin neck part, and when the clamping pin moves towards the pin seat on the right side, the thin neck part moves into the clamping seat and is broken. The bayonet lock is inserted into the pin hole, and can limit the axial movement of the pin seat, so that the position of the piston rod is kept, and the energy storage part is prevented from releasing energy.
The tripping mechanism comprises a bimetallic strip, and the bimetallic strip is attached to and fixed on the surface of a lithium ion battery cell of the charging and discharging mechanism. When the temperature of the lithium ion battery cell is too high, the bimetallic strip deforms and pushes the clamping pin to move towards the pin seat. The buckling mechanism is separated from the energy storage piece, so that the energy storage spring releases energy, and the energy released by the energy storage spring can drive the piston to move upwards.
As a further optimized scheme of the present invention, the housing mechanism is provided with a leakage port, the leakage port can prevent the internal pressure of the housing mechanism from being too high after the cooling liquid is sprayed, and the cooling liquid is discharged from the leakage port, so that a user can timely detect an abnormal state of the charger baby.
As a further optimization scheme of the invention, the cylinder body is also connected with an injection cylinder, a cavity is arranged in the injection cylinder, the cavity is separated into two parts by a partition plate, a through hole is arranged on the partition plate, a pressure valve is arranged in the through hole, the space above the partition plate is communicated with a cylinder chamber of the cylinder body, the space below the partition plate is filled with a disintegrating agent, the bottom of the injection cylinder is provided with an injection port, and a plug is arranged on the injection port. When the piston rod pushes the cylinder chamber to increase the internal pressure of the cylinder chamber, so that the pressure of the cavity above the partition plate is increased, the pressure valve is opened, the cooling liquid enters the cavity below, and the disintegrating agent is disintegrated to generate a large amount of gas which is sprayed out of the jet orifice together with the cooling liquid to the battery cell, so that the battery cell is cooled more quickly.
The invention has the beneficial effects that:
1) according to the invention, through the overheat triggering of the lithium ion battery cell, the explosion-proof mechanism can spray cooling liquid to cool the overheated battery cell, so that the subsequent chain reaction of lithium ions can not occur, the possibility of combustion and explosion is reduced, and the safety of a user is protected;
2) the cooling liquid can be sprayed to timely warn a user, so that the user can timely detect the abnormity of the charger and timely make emergency measures.
Drawings
FIG. 1 is a schematic structural diagram of the present invention in accordance with one embodiment;
FIG. 2 is a schematic view showing the internal structure of the explosion-proof mechanism according to the first embodiment of the present invention;
FIG. 3 is a schematic structural diagram of the present invention in accordance with one embodiment;
fig. 4 is a schematic view of the internal structure of the explosion-proof mechanism according to the first embodiment of the invention.
In the figure: the device comprises a shell mechanism 1, a charging and discharging mechanism 2 and an explosion-proof mechanism 3;
the cooling liquid 31, the cylinder body 32, the piston 33, the piston rod 34, the energy storage piece 35, the buckling mechanism 36, the tripping mechanism 37 and the injection cylinder 38;
an energy storage spring 351, an upper spring seat 352 and a lower spring seat 353;
cartridge 361, bayonet 362, pin holder 363;
a bimetal 371;
a partition 381.
Detailed Description
The present application will now be described in further detail with reference to the drawings, it should be noted that the following detailed description is given for illustrative purposes only and is not to be construed as limiting the scope of the present application, as those skilled in the art will be able to make numerous insubstantial modifications and adaptations to the present application based on the above disclosure.
Example one
As shown in fig. 1-2, a charger baby based on a lithium ion battery cell includes a housing mechanism 1, a charging and discharging mechanism 2, and an explosion-proof mechanism 3, where the housing mechanism 1 includes a charger baby housing with a cavity therein, and the charging and discharging mechanism 2 and the explosion-proof mechanism 3 are disposed in the cavity of the charger baby housing;
the explosion-proof mechanism 3 comprises a cooling liquid 31, a cylinder body 32, a piston 33, a piston rod 34, an energy storage piece 35, a fastening mechanism 36 and a tripping mechanism 37, the cylinder body 32 is fixedly connected with the housing mechanism 1, a cylinder chamber is arranged in the cylinder body 32, the piston 33 which is in interference fit with the cylinder body 32 is arranged in the cylinder chamber, the piston 33 and the cylinder body 32 form a sealed space, the sealed space is filled with the cooling liquid 31, one side of the cylinder body 32 is provided with a liquid outlet which faces the charging and discharging mechanism 2, the lower end of the piston 33 is fixedly connected with the piston rod 34, the piston rod 34 is connected with the energy storage piece 35 and the fastening mechanism 36, the fastening mechanism 36 is connected with the tripping mechanism 37, the energy storage piece 35 can store energy to the piston rod 34, the fastening mechanism 36 keeps the state of the energy storage piece 35, the tripping mechanism 37 triggers the fastening mechanism 36 to separate, the energy storage piece 35 is, the increased pressure inside the cylinder chamber pushes the cooling liquid 31 to be sprayed out from the liquid outlet, so as to cool the overheated lithium ion battery cell.
Preferably, charge and discharge mechanism 2 includes lithium ion cell, circuit board, the interface and the interface that discharges charge, and in casing mechanism 1 was located to lithium ion cell and circuit board, the interface and the interface that discharges charge on the precious casing of circuit board connection. And a charging and discharging circuit is arranged on the circuit board and is used for supporting the charging and discharging of the lithium ion battery cell.
Preferably, the liquid outlet is provided with a plug. The blockage has a certain blockage pressure so that the coolant 31 is not discharged in a normal state.
Preferably, the energy storage member 35 includes an energy storage spring 351, an upper spring seat 352 and a lower spring seat 353, the upper spring seat 352 is fixedly connected to the cylinder 32, the lower spring seat 353 is fixedly connected to the piston rod 34, and the energy storage spring 351 is disposed between the lower spring seat 353 and the upper spring seat 352. The energy storage spring 351 can store energy through stretching, and when the lower spring seat 353 is released, the energy storage spring 351 releases energy to drive the piston rod 34 and the piston 33 to push upwards.
Preferably, engagement mechanism 36 includes a clamping seat 361, a clamping pin 362 and a pin seat 363, clamping seat 361 is fixedly connected with the lower end of piston rod 34, clamping seat 361 is provided with a pin hole which is in clearance fit with clamping pin 362, clamping pin 362 passes through the pin hole and is inserted into clamping pin 362, clamping pin 362 is fixedly connected with housing mechanism 1, the part of clamping pin 362 extending out of the left side of clamping seat 361 is provided with a thin neck part, and when clamping pin 362 moves towards pin seat 363 on the right side, the thin neck part moves into clamping seat 361 and is broken by force to separate clamping pin 362 from clamping seat 361. Bayonet 362 is inserted into the pin bore to limit axial movement of pin boss 363 and thereby maintain the position of piston rod 34 and prevent energy storage member 35 from releasing energy.
The trip mechanism 37 includes a bimetal 371, and the bimetal 371 is attached to and fixed to the surface of the lithium ion battery cell of the charge and discharge mechanism 2. When the temperature of the lithium ion battery cell is too high, the bimetal 371 is deformed to push the bayonet 362 to move into the pin holder 363. The engaging and fastening mechanism 36 is disengaged from the energy storage member 35, so that the energy storage spring 351 releases energy, and the piston 33 can be driven to move upwards by the energy released by the energy storage spring 351.
Preferably, the housing mechanism 1 may be a housing structure having various shapes such as a square shape, a cylindrical shape, and the like.
Preferably, the housing mechanism 1 is provided with a leakage port, which can prevent the internal pressure of the housing mechanism 1 from being too high after the cooling liquid 31 is sprayed, and the cooling liquid 31 can be discharged from the leakage port, so that the user can timely detect the abnormal state of the charger baby.
The principle of the invention is as follows: according to the invention, the explosion-proof mechanism 3 for storing the cooling liquid 31 is arranged in the shell of the charger, the explosion-proof mechanism 3 comprises a cylinder chamber for storing the cooling liquid 31 and a storage part for jetting the cooling liquid 31 to provide power, the energy storage part 35 keeps a position through the buckling mechanism 36, the buckling mechanism 36 is buckled when the temperature of the battery cell is sensed to be overhigh through the temperature-controlled tripping mechanism 37, and the energy storage part 35 releases energy to jet the cooling liquid 31 to the battery cell, so that the battery cell is cooled urgently.
Example two
As shown in fig. 3-4, a charger baby based on a lithium ion battery cell includes a housing mechanism 1, a charging and discharging mechanism 2, and an explosion-proof mechanism 3, where the housing mechanism 1 includes a charger baby housing with a cavity inside, and the charging and discharging mechanism 2 and the explosion-proof mechanism 3 are disposed in the cavity of the charger baby housing;
the explosion-proof mechanism 3 comprises a cooling liquid 31, a cylinder body 32, a piston 33, a piston rod 34, an energy storage piece 35, a buckling mechanism 36 and a tripping mechanism 37, the cylinder body 32 is fixedly connected with the shell mechanism 1, a cylinder chamber is arranged inside the cylinder body 32, the piston 33 which is in interference fit with the cylinder body 32 is arranged in the cylinder chamber, the piston 33 and the cylinder body 32 form a sealed space, the sealed space is filled with cooling liquid 31, the lower end of the piston 33 is fixedly connected with a piston rod 34, the piston rod 34 is connected with an energy storage piece 35 and a buckling mechanism 36, the buckling mechanism 36 is connected with a tripping mechanism 37, the energy storage piece 35 can store energy for the piston rod 34, the buckling mechanism 36 keeps the state of the energy storage piece 35, the tripping mechanism 37 triggers the buckling mechanism 36 to separate, the energy storage piece 35 is released, the energy storage piece 35 releases energy to push the piston 33 to move towards the inside of the cylinder body 32, the pressure in the cylinder chamber is increased to push the cooling liquid 31 to be sprayed out from a liquid outlet, and an overheated lithium ion battery cell is cooled.
The cylinder body 32 is further connected with a spraying cylinder 38, a cavity is arranged inside the spraying cylinder 38, the cavity is divided into two parts through a partition plate 381, a through hole is formed in the partition plate 381, a pressure valve is arranged in the through hole, the space above the partition plate 381 is communicated with a cylinder chamber of the cylinder body 32, a disintegrating agent is filled in the space below the partition plate 381, a spraying opening is formed in the bottom of the spraying cylinder 38, and a plug is arranged on the spraying opening. When the piston rod 34 pushes the cylinder chamber to increase the internal pressure of the cylinder chamber, so that the pressure of the cavity above the partition 381 is increased, the pressure valve is opened, the cooling liquid 31 enters the cavity below, and the disintegrating agent is disintegrated to generate a large amount of gas which is sprayed out of the spray opening together with the cooling liquid 31 to the battery cell, so that the battery cell is cooled more rapidly.
Preferably, the coolant 31 is water.
Preferably, the disintegrant is bicarbonate.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.

Claims (8)

1. The utility model provides a treasured charges based on lithium ion battery cell which characterized in that: the charger comprises a shell mechanism, a charging and discharging mechanism and an explosion-proof mechanism, wherein the shell mechanism comprises a charger shell with a cavity inside, and the charging and discharging mechanism and the explosion-proof mechanism are arranged in the cavity of the charger shell;
the explosion-proof mechanism comprises cooling liquid, a cylinder body, a piston rod, an energy storage piece, a buckling mechanism and a tripping mechanism, the cylinder body is fixedly connected with a shell mechanism, a cylinder chamber is arranged in the cylinder body, the piston which is in interference fit with the cylinder body is arranged in the cylinder chamber, the piston and the cylinder body form a sealed space, the sealed space is filled with the cooling liquid, the lower end of the piston is fixedly connected with the piston rod, the piston rod is connected with the energy storage piece and the buckling mechanism, the buckling mechanism is connected with the tripping mechanism, the energy storage piece can store energy for the piston rod, the buckling mechanism keeps the state of the energy storage piece, the tripping mechanism triggers the buckling mechanism to separate, the energy storage piece is released, the energy storage piece releases energy to push the piston to move towards the inside of the cylinder body, the pressure in.
2. The treasured that charges based on lithium ion cell of claim 1, characterized by: one side of cylinder body is equipped with the liquid outlet, and this liquid outlet is towards charge-discharge mechanism.
3. The treasured that charges based on lithium ion cell of claim 1, characterized by: the charging and discharging mechanism comprises a lithium ion cell, a circuit board, a charging interface and a discharging interface, the lithium ion cell and the circuit board are arranged in the shell mechanism, and the circuit board is connected with the charging interface and the discharging interface on the charger shell.
4. The treasured that charges based on lithium ion cell of claim 1, characterized by: and a plug is arranged on the liquid outlet.
5. The treasured that charges based on lithium ion cell of claim 1, characterized by: the energy storage piece comprises an energy storage spring, an upper spring seat and a lower spring seat, the upper spring seat is fixedly connected with the cylinder body, the lower spring seat is fixedly connected with the piston rod, and the energy storage spring is arranged between the lower spring seat and the upper spring seat.
6. The treasured that charges based on lithium ion cell of claim 1, characterized by: the buckling mechanism comprises a clamping seat, a clamping pin and a pin seat, the clamping seat is fixedly connected with the lower end of the piston rod, a pin hole in clearance fit with the clamping pin is formed in the clamping seat, the clamping pin penetrates through the pin hole and is inserted into the clamping pin, the clamping pin is fixedly connected with the shell mechanism, a thin neck is arranged at the part, extending out of the left side of the clamping seat, of the clamping pin, and when the clamping pin moves towards the pin seat on the right side, the thin neck moves into the clamping seat and is broken;
the tripping mechanism comprises a bimetallic strip, and the bimetallic strip is attached to and fixed on the surface of a lithium ion battery cell of the charging and discharging mechanism.
7. The treasured that charges based on lithium ion cell of claim 1, characterized by: and a leakage port is arranged on the shell mechanism.
8. The treasured that charges based on lithium ion cell of claim 1, characterized by: the cylinder body is also connected with an injection cylinder, a cavity is arranged in the injection cylinder, the cavity is separated into two parts through a partition plate, a through hole is formed in the partition plate, a pressure valve is arranged in the through hole, the space above the partition plate is communicated with a cylinder chamber of the cylinder body, the space below the partition plate is filled with a disintegrating agent, an injection port is formed in the bottom of the injection cylinder, and a plug is arranged on the injection port.
CN202010161238.8A 2020-03-10 2020-03-10 Treasured charges based on lithium ion battery cell Active CN111477991B (en)

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CN111477991B CN111477991B (en) 2022-10-04

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115632196A (en) * 2022-12-07 2023-01-20 南京莱迪新能源科技有限公司 Series-parallel connection frame structure of lithium battery pack in mobile power supply and heat extraction method

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3038659B1 (en) * 1999-05-16 2000-05-08 幹三 笠松 Method and device for preventing explosion of secondary battery
JP2004303447A (en) * 2003-03-28 2004-10-28 Matsushita Electric Ind Co Ltd Secondary battery
CN106953120A (en) * 2017-03-03 2017-07-14 北京大学 A kind of anti-explosion lithium ion battery group
CN110148693A (en) * 2019-06-05 2019-08-20 胡振强 Anti- overheat lithium battery
CN210073983U (en) * 2019-08-20 2020-02-14 颍上县翔安新能源科技有限公司 Explosion-proof lithium battery

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3038659B1 (en) * 1999-05-16 2000-05-08 幹三 笠松 Method and device for preventing explosion of secondary battery
JP2004303447A (en) * 2003-03-28 2004-10-28 Matsushita Electric Ind Co Ltd Secondary battery
CN106953120A (en) * 2017-03-03 2017-07-14 北京大学 A kind of anti-explosion lithium ion battery group
CN110148693A (en) * 2019-06-05 2019-08-20 胡振强 Anti- overheat lithium battery
CN210073983U (en) * 2019-08-20 2020-02-14 颍上县翔安新能源科技有限公司 Explosion-proof lithium battery

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115632196A (en) * 2022-12-07 2023-01-20 南京莱迪新能源科技有限公司 Series-parallel connection frame structure of lithium battery pack in mobile power supply and heat extraction method
CN115632196B (en) * 2022-12-07 2023-02-28 南京莱迪新能源科技有限公司 Series-parallel connection frame structure of lithium battery pack in mobile power supply and heat extraction method

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