CN112803520A - Lithium battery multifunctional charger capable of preventing bulge - Google Patents

Lithium battery multifunctional charger capable of preventing bulge Download PDF

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Publication number
CN112803520A
CN112803520A CN202011629328.1A CN202011629328A CN112803520A CN 112803520 A CN112803520 A CN 112803520A CN 202011629328 A CN202011629328 A CN 202011629328A CN 112803520 A CN112803520 A CN 112803520A
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CN
China
Prior art keywords
lithium battery
bulge
shaped ring
preventing
rod
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
CN202011629328.1A
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Chinese (zh)
Inventor
涂国华
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Individual
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Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN202011629328.1A priority Critical patent/CN112803520A/en
Publication of CN112803520A publication Critical patent/CN112803520A/en
Withdrawn legal-status Critical Current

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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0042—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/61—Types of temperature control
    • H01M10/613—Cooling or keeping cold
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/65—Means for temperature control structurally associated with the cells
    • H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
    • H01M10/6561—Gases
    • H01M10/6563—Gases with forced flow, e.g. by blowers
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
    • H02J7/00302—Overcharge protection
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
    • H02J7/00309—Overheat or overtemperature protection
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
    • H02J7/0031—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits using battery or load disconnect circuits
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0042—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction
    • H02J7/0045—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction concerning the insertion or the connection of the batteries
    • 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

Abstract

The invention relates to the technical field of lithium batteries, and discloses a multifunctional lithium battery charger capable of preventing bulging, which comprises a shell, wherein an elastic contact head is fixedly connected to the inner wall of the shell, a lithium battery is arranged on the right side of the elastic contact head, a negative plate is arranged on the right side of the lithium battery in an inserting mode, an electricity receiving block is arranged on the right side of the negative plate, a U-shaped ring is arranged below the lithium battery, an extrusion toothed rod is fixedly connected to the bottom of the U-shaped ring, a linkage rod is rotatably connected to the surface of a bearing wheel, an ejector rod is slidably connected to the surface of the linkage rod, a clamping rod is arranged on the side surface of the ejector rod, an expansion air bag is fixedly connected to the top of the clamping rod, a baffle is arranged at the top. This prevent multi-functional charger of lithium cell of bulge uses through the cooperation of U-shaped ring and take over the wheel to reached and prevented that the lithium cell from taking place the effect of bulge when lithium cell charges.

Description

Lithium battery multifunctional charger capable of preventing bulge
Technical Field
The invention relates to the technical field of lithium batteries, in particular to a multifunctional lithium battery charger capable of preventing swelling.
Background
Lithium batteries are batteries using lithium metal or lithium alloy as an anode material and using a non-aqueous electrolyte solution, unlike lithium batteries, which are primary batteries and rechargeable batteries, because the chemical properties of lithium metal are very active, the lithium metal has very high requirements on the environment in processing, storage and use, and therefore, the lithium batteries are not applied for a long time.
When charging the lithium battery, if after the lithium battery is fully charged, the power supply is not pulled out in time, the lithium battery can be caused to bulge, and once the bulge reaches a certain degree, the lithium battery can be caused to be damaged, and the explosion result of the lithium battery can also be caused in serious situations, so that the lithium battery charger capable of preventing the bulge is required to be designed.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides the multifunctional lithium battery charger capable of preventing the bulge, which has the advantages of preventing the bulge of the lithium battery during the charging of the lithium battery and the like, and solves the problem that the bulge of the lithium battery cannot be prevented during the charging of the lithium battery by the conventional lithium battery charger.
(II) technical scheme
In order to achieve the purpose of preventing the lithium battery from bulging during the charging of the lithium battery, the invention provides the following technical scheme: the utility model provides a prevent multi-functional charger of lithium cell that bulges, includes the shell, the inner wall fixedly connected with elasticity electric contact of shell, the right side that elasticity electric contact was provided with the lithium cell, the right side interlude of lithium cell is provided with the negative plate, the right side of negative plate is provided with the electricity piece that connects, the below of lithium cell is provided with the U-shaped ring, the bottom fixedly connected with extrusion ratch of U-shaped ring, the side meshing of extrusion ratch is connected with the bearing wheel, the surface rotation of bearing wheel is connected with the trace, the surface sliding connection of trace has the ejector pin, the side of ejector pin is provided with the kelly, the top fixedly connected with inflation gasbag of kelly, and the top of U-shaped ring is provided with the baffle, the both sides of baffle are provided with magnet.
Preferably, a pressure switch is arranged below the extrusion rack bar.
Preferably, a blowing fan is arranged at the bottom of the shell.
Preferably, the side surface of the U-shaped ring is provided with a vent.
Preferably, the top of the U-shaped ring is provided with an iron block, and the baffle is fixed by an attracting magnet.
Preferably, the deflecting air bag is internally provided with a directional spring, so that the expanding air bag is transversely expanded when being pressed.
Preferably, the surface of the linkage rod is provided with a protrusion, and the protrusion is initially in non-extrusion contact with the bottom of the ejector rod.
Preferably, the inside of trace is provided with buffer spring, prevents that trace from blocking with the shell when removing.
(III) advantageous effects
Compared with the prior art, the invention provides the multifunctional lithium battery charger capable of preventing the bulge, which has the following beneficial effects:
1. this prevent multi-functional charger of lithium cell that bulges, use through the cooperation of U-shaped ring and take over the wheel, when charging lithium cell, with the lithium cell extrusion enter into the U-shaped intra-annular, make the positive pole of lithium cell aim at the elasticity contact electricity head, the negative plate is aimed at and is connect the electricity piece, charge and begin, pull out the kelly, make the kelly not in the side joint to the ejector pin, place the baffle on the surface of U-shaped ring afterwards, the iron plate through U-shaped ring top setting adsorbs magnet, make the baffle adsorb on U-shaped ring surface, cover the lithium cell.
After the lithium battery is charged, the charging is continued, so that the surface of the lithium battery is bulged, the U-shaped ring is extruded, the whole U-shaped ring expands towards the outer side, the U-shaped ring and a supporting spring connected with the shell are extruded, so that the U-shaped ring moves towards the direction close to the inner wall of the shell, thereby driving the extrusion rack bar to move and generate meshing transmission with the supporting wheel, the supporting wheel rotates to drive the linkage rod to move towards the right side, the ejector rod is extruded by the bulges on the surface of the ejector rod, so that the ejector rod moves upwards to extrude the expansion air bag, because the inside of the expansion air bag is provided with the directional spring, the expansion air bag is extruded to generate transverse expansion, the lithium battery is extruded with the shell, so that the power receiving block is separated from the negative plate, the charging of the lithium battery is finished, therefore, when the lithium battery swells, the charger can automatically cut off charging, so that the effect of preventing the lithium battery from swelling when the lithium battery is charged is achieved.
2. This prevent multi-functional charger of lithium cell of bulging, the cooperation through pressure switch and extrusion ratch is used, when extrusion ratch moves down, the pressure switch of below can be extruded to the extrusion ratch, make the fan of blowing that the shell bottom set up rotate, the pivoted fan of blowing produces the blow vent that the air current was seted up through U shape ring side, carry out the forced air cooling to the lithium cell, prevent that the lithium cell of the transition of charging is overheated, reached the automatic cooling to the lithium cell that charges, prevent that the lithium cell from taking place overheated and the effect of bulging with higher speed.
Drawings
FIG. 1 is a schematic cross-sectional view of the entire structure of the present invention;
FIG. 2 is a schematic view of a connecting mechanism of the present invention;
FIG. 3 is a schematic view of the structure and the connecting mechanism of the extrusion rack bar of the present invention;
FIG. 4 is a schematic side sectional view of a U-shaped ring and a lithium battery according to the present invention;
FIG. 5 is a schematic view of the connection between the baffle and the U-shaped ring according to the present invention.
In the figure: the device comprises a shell 1, an elastic contact head 2, a negative plate 3, a lithium battery 4, an electricity connecting block 5, a U-shaped ring 6, an extrusion toothed bar 7, a pressure-sensitive switch 8, a receiving wheel 9, a linkage bar 10, an ejector bar 11, a clamping bar 12, an expansion air bag 13, a baffle 14 and a magnet 15.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, a multifunctional lithium battery charger for preventing bulging comprises a housing 1, wherein the housing 1 is made of heat-resistant plastic, so as to effectively prevent equipment from being corroded, greatly prolong the service life of the equipment, reduce the production cost, and play an indispensable role in enterprises, a blowing fan is arranged at the bottom of the housing 1, an elastic contact head 2 is fixedly connected to the inner wall of the housing 1, a lithium battery 4 is arranged on the right side of the elastic contact head 2, a negative plate 3 is arranged on the right side of the lithium battery 4 in an inserting manner, an electricity receiving block 5 is arranged on the right side of the negative plate 3, a U-shaped ring 6 is arranged below the lithium battery 4, an air vent is arranged on the side surface of the U-shaped ring 6, an iron block is arranged at the top of the U-shaped ring 6, a baffle 14 is fixed by an attracting magnet 15, an extruding toothed bar 7 is fixedly connected to the bottom of the U-shaped, the surface of the bearing wheel 9 is rotatably connected with a linkage rod 10, a buffer spring is arranged inside the linkage rod 10, the linkage rod 10 is prevented from being clamped with the shell 1 when moving, the surface of the linkage rod 10 is provided with a protrusion, and is initially in non-extrusion force contact with the bottom of the ejector rod 11, the surface of the linkage rod 10 is slidably connected with the ejector rod 11, the ejector rod 11 is made of stainless steel, equipment can be effectively prevented from being corroded, the side surface of the ejector rod 11 is provided with a clamping rod 12, the top of the clamping rod 12 is fixedly connected with an expansion air bag 13, the inside of the deflection air bag 13 is provided with a directional spring, the expansion air bag 13 is transversely expanded when being extruded, the top of the U-shaped ring 6 is provided with a baffle 14, two sides of the baffle 14 are provided with magnets 15, and.
When charging lithium cell 4, with lithium cell 4 extrusion enter into U-shaped ring 6 in for lithium cell 4's positive pole is aimed at elasticity and is touched electrical head 2, and 3 alignments of negative plate connect electric block 5, charge and begin, pull out kelly 12, make kelly 12 not in the side joint to ejector pin 11, place baffle 14 on U-shaped ring 6's surface afterwards, adsorb magnet 15 through the iron plate that U-shaped ring 6 top set up, make baffle 14 adsorb on U-shaped ring 6 surface, cover lithium cell 4.
After the lithium battery 4 is charged, the charging is continued, the surface of the lithium battery 4 is bulged, the U-shaped ring 6 is extruded, the U-shaped ring 6 is expanded towards the outer side integrally, the U-shaped ring 6 and a supporting spring connected with the shell 1 are extruded, the U-shaped ring 6 is moved towards the direction close to the inner wall of the shell 1, the extrusion toothed bar 7 is further driven to move and generate meshing transmission with the receiving wheel 9, the receiving wheel 9 rotates to drive the linkage rod 10 to move towards the right side, the ejector rod 11 is extruded through the bulge on the surface of the U-shaped ring 6, the ejector rod 11 moves upwards to extrude the expansion air bag 13, as the directional spring is arranged inside the expansion air bag 13, the expansion air bag 13 is extruded to generate transverse expansion, the extrusion is generated between the lithium battery 4 and the shell 1, the power connection block 5 is separated from the negative plate 3, the charging of the lithium battery 4 is finished, and when the lithium battery 4, can automatically turn off the charging, thereby achieving the effect of preventing the lithium battery 4 from bulging when the lithium battery 4 is charged.
When 7 downstream at extrusion ratchets, extrusion ratchets 7 can extrude the pressure of below and feel switch 8 for the fan of blowing that the 1 bottom of shell set up rotates, and the pivoted fan of blowing produces the blow vent that the air current was seted up through 6 sides of U-shaped ring, carries out the forced air cooling to lithium cell 4, and the lithium cell 4 that prevents the transition of charging is overheated, has reached the automatic cooling to the lithium cell 4 that charges, prevents that lithium cell 4 from taking place overheated and the effect of bulging with higher speed.
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 (8)

1. The utility model provides a prevent multi-functional charger of lithium cell that bumps from taking place, includes shell (1), its characterized in that: the inner wall of the shell (1) is fixedly connected with an elastic contact head (2), the right side of the elastic contact head (2) is provided with a lithium battery (4), the right side of the lithium battery (4) is provided with a negative plate (3) in an inserting mode, the right side of the negative plate (3) is provided with a power receiving block (5), a U-shaped ring (6) is arranged below the lithium battery (4), the bottom of the U-shaped ring (6) is fixedly connected with an extrusion toothed bar (7), the side surface of the extrusion toothed bar (7) is connected with a bearing wheel (9) in a meshing mode, the surface of the bearing wheel (9) is rotatably connected with a linkage bar (10), the surface of the linkage bar (10) is connected with an ejector rod (11) in a sliding mode, the side surface of the ejector rod (11) is provided with a clamping rod (12), the top of the clamping rod (12) is fixedly connected with an expansion air bag, magnets (15) are arranged on two sides of the baffle (14).
2. The multifunctional lithium battery charger for preventing the bulge as claimed in claim 1, wherein: a pressure switch (8) is arranged below the extrusion rack bar (7).
3. The multifunctional lithium battery charger for preventing the bulge as claimed in claim 1, wherein: the bottom of the shell (1) is provided with a blowing fan.
4. The multifunctional lithium battery charger for preventing the bulge as claimed in claim 1, wherein: and a vent hole is formed in the side surface of the U-shaped ring (6).
5. The multifunctional lithium battery charger for preventing the bulge as claimed in claim 1, wherein: and an iron block is arranged at the top of the U-shaped ring (6).
6. The multifunctional lithium battery charger for preventing the bulge as claimed in claim 1, wherein: the deflecting air bag (13) is internally provided with a directional spring.
7. The multifunctional lithium battery charger for preventing the bulge as claimed in claim 1, wherein: the surface of the linkage rod (10) is provided with a bulge, and the bulge is initially in non-extrusion contact with the bottom of the ejector rod (11).
8. The multifunctional lithium battery charger for preventing the bulge as claimed in claim 1, wherein: and a buffer spring is arranged inside the linkage rod (10).
CN202011629328.1A 2020-12-31 2020-12-31 Lithium battery multifunctional charger capable of preventing bulge Withdrawn CN112803520A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011629328.1A CN112803520A (en) 2020-12-31 2020-12-31 Lithium battery multifunctional charger capable of preventing bulge

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011629328.1A CN112803520A (en) 2020-12-31 2020-12-31 Lithium battery multifunctional charger capable of preventing bulge

Publications (1)

Publication Number Publication Date
CN112803520A true CN112803520A (en) 2021-05-14

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CN202011629328.1A Withdrawn CN112803520A (en) 2020-12-31 2020-12-31 Lithium battery multifunctional charger capable of preventing bulge

Country Status (1)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022042744A1 (en) * 2021-08-31 2022-03-03 宁德时代新能源科技股份有限公司 Battery cell, battery, electrical device, and battery cell manufacturing method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022042744A1 (en) * 2021-08-31 2022-03-03 宁德时代新能源科技股份有限公司 Battery cell, battery, electrical device, and battery cell manufacturing method

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Application publication date: 20210514