CN108649261A - A kind of convenient charged lithium cells and its charging circuit - Google Patents
A kind of convenient charged lithium cells and its charging circuit Download PDFInfo
- Publication number
- CN108649261A CN108649261A CN201810582705.7A CN201810582705A CN108649261A CN 108649261 A CN108649261 A CN 108649261A CN 201810582705 A CN201810582705 A CN 201810582705A CN 108649261 A CN108649261 A CN 108649261A
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- Prior art keywords
- charging
- chip
- pins
- lithium battery
- battery
- 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.)
- Pending
Links
- 238000007600 charging Methods 0.000 title claims abstract description 117
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 77
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 77
- 230000000087 stabilizing effect Effects 0.000 claims description 26
- 230000005611 electricity Effects 0.000 claims description 5
- 101100460844 Mus musculus Nr2f6 gene Proteins 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010280 constant potential charging Methods 0.000 description 1
- 238000010277 constant-current charging Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- 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
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
-
- 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
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/058—Construction or manufacture
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/46—Accumulators structurally combined with charging apparatus
-
- H02J7/0077—
-
- 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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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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)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The present invention discloses a kind of convenient charged lithium cells and its charging circuit, which includes battery side wall, positive pole ear, negative lug, positive pole stick lid, charging interface；The lithium battery lateral wall is provided with battery side wall, and battery top side wall is provided with positive pole ear, and positive pole ear upper surface is provided with positive pole stick lid；Battery sidewall bottom is provided with negative lug, and negative lug bottom is provided with cathode gasket；It is provided with charging interface on battery side wall；The charging interface is one kind in MicroUSB, MiniUSB, USB Type C interface；It is charged to the lithium battery by charging interface, lithium battery is discharged by the cathode gasket in positive pole stick lid, negative lug.The present invention has the form for setting lithium battery to conventional dry cell batteries, and the characteristics of lithium battery side is arranged for lithium battery charging interface.
Description
Technical field
The present invention relates to a kind of convenient charged lithium cells, especially it is a kind of have set lithium battery to conventional dry cell batteries
Form, and the convenient charged lithium cells and its charging circuit for lithium battery charging interface are set in lithium battery side.
Background technology
It can be used repeatedly for rechargeable battery, and compared with disposable battery, not only the utilization rate of raw material is high, moreover, by its report
The useless time is long, decreases battery rubbish, meets environmental protection concept.Therefore, the application of rechargeable battery in daily life is increasingly
Extensively, using more extensive especially in all kinds of digital products.However, traditional rechargeable battery need dedicated charger into
Row charging, this result in people be in travelling will be with many chargers, and people fill when going out it is easy to forget that carrying
Electric appliance brings inconvenience to life.
Lithium battery is the abbreviation of lithium ion battery, and lithium battery charging circuit mostly uses discrete device at present, passes through transformer
And detecting circuit provides power supply for circuit, this mode can make charging voltage very unstable, serious to cause to damage to battery
It is bad；And judge whether that charging finishes by simple transistor voltage detection circuit, the feelings for being easy to happen undercharge or overcharging
Condition shortens battery life.
Invention content
The purpose of the present invention is to provide a kind of forms for having and setting lithium battery to conventional dry cell batteries, and in lithium battery
Convenient charged lithium cells and its charging circuit for lithium battery charging interface are arranged in side.
The purpose of the present invention can be achieved through the following technical solutions：
A kind of convenient charged lithium cells, including battery side wall, positive pole ear, negative lug, positive pole stick lid, charging
Mouthful；
The lithium battery lateral wall is provided with battery side wall, and battery top side wall is provided with positive pole ear, positive pole ear upper table
Face is provided with positive pole stick lid；Battery sidewall bottom is provided with negative lug, and negative lug bottom is provided with cathode gasket；Battery
Charging interface is provided on side wall；
The charging interface is one kind in MicroUSB, MiniUSB, USB Type-C interface；It is given by charging interface
The lithium battery charges, and lithium battery is discharged by the cathode gasket in positive pole stick lid, negative lug；
The lithium battery output voltage is 1.5V, one in lithium battery and No. 2 dry cells, No. 5 dry cells, No. 7 dry cells
Kind size is identical；
The charging interface connects DC power supply；
The charging interface connects 5-12V2.5-1.5A；
The charging interface edge is provided with instruction light source；
A kind of convenient charged lithium cells charging circuit, the circuit include DC/DC modules, charging module；
Containing voltage stabilizing chip N2, adjusting circuit in the DC/DC modules, charging module includes charging chip N1, protection electricity
Road；Voltage stabilizing chip N2 is connected to by adjusting circuit on charging chip N1, and charging chip N1 is by protecting circuit to be connected to the lithium
Battery both ends；
The voltage stabilizing chip N2 is WRH25-24S05 chips；The charging chip N1 is UCT3142C chips；
+ VIN the pins of the voltage stabilizing chip N2 are connect with the VIN pins of charging chip N1, VIN pins, CE pins respectively；
The GND pin of voltage stabilizing chip N2 is connect with the FAULT pins of charging chip N1；The positive and negative anodes of capacitance C1 are parallel-connected to surely respectively
Press+Vo1 pins, the GND pin both ends of chip N2；The anode of diode V1 is connect with+Vo1 the pins of voltage stabilizing chip N2, two poles
One end of pipe V1 connection resistance R1, and connect one end of resistance R2, the GND that the other end of resistance R1 is connected to voltage stabilizing chip N2 draw
Foot, resistance R2 are connected to the CHRG pins of charging chip N1；
The BAT pins of charging chip N1 are connect with BAT pins, and TEMP pins are connect with GND pin；Charging chip N1 draws
The BAT of foot is connected to the lithium battery anode, and the GND pin of charging chip N1 is connected to the cathode of lithium battery；Charging chip N1's
BAT pins are connect with one end of resistance R4, and the other end of resistance R4 is connected to capacitance C2 anodes, and the cathode of capacitance C2, which is connected to, to be filled
The GND pin of electrical chip N1；The ISET pins of charging chip N1 be sequentially connected resistance R5, resistance R3, charging chip N1 GND draw
Foot；
The GND pin of voltage stabilizing chip N2 connects GND；The GND pin of charging chip N1 connects GND；
The diode V1 is double-colored diode temperature.
The present invention provides a kind of convenient charged lithium cells and its charging circuit, has and set lithium battery to conventional dry electricity
The form in pond, and the characteristics of lithium battery side is arranged for lithium battery charging interface.
Description of the drawings
In order to facilitate the understanding of those skilled in the art, the present invention will be further described below with reference to the drawings.
Fig. 1 is a kind of structural schematic diagram of convenient charged lithium cells of the present invention；
Fig. 2 is a kind of structural schematic diagram of convenient charged lithium cells of the present invention；
Fig. 3 is a kind of convenient charged lithium cells charging circuit diagram of the present invention.
Specific implementation mode
The purpose of the present invention can be achieved through the following technical solutions：
A kind of convenient charged lithium cells, referring to Fig. 1-2, including battery side wall 1, positive pole ear 2, negative lug 3, positive pole
Stick lid 4, charging interface 5；
The lithium battery lateral wall is provided with battery side wall 1, and 1 top of battery side wall is provided with positive pole ear 2, positive pole ear 2
Upper surface is provided with positive pole stick lid 4；1 bottom of battery side wall is provided with negative lug 3, and 3 bottom of negative lug is provided with cathode
Gasket；Charging interface 5 is provided on battery side wall 1；
The charging interface 5 is one kind in MicroUSB, MiniUSB, USB Type-C interface；Pass through charging interface 5
It charges to the lithium battery, lithium battery is discharged by the cathode gasket in positive pole stick lid 4, negative lug 3；
The lithium battery output voltage is 1.5V, one in lithium battery and No. 2 dry cells, No. 5 dry cells, No. 7 dry cells
Kind size is identical, the identical dry cell of the replaceable size of lithium battery；
The charging interface 5 connects DC power supply, or alternating current is converted to direct current by charger；
The charging interface 5 connects 5-12V2.5-1.5A, which realizes fast charge function by charging interface 5；
5 edge of the charging interface is provided with instruction light source；When charging interface 5 connects external direct current, instruction light source hair
Go out red light or green light, the red light representations lithium battery is to charge, the lithium battery charging complete of green light representations；
A kind of convenient charged lithium cells charging circuit, referring to Fig. 3, which includes DC/DC modules, charging module；
Containing voltage stabilizing chip N2, adjusting circuit in the DC/DC modules, charging module includes charging chip N1, protection electricity
Road；Voltage stabilizing chip N2 is connected to by adjusting circuit on charging chip N1, and charging chip N1 is by protecting circuit to be connected to the lithium
Battery both ends；
The voltage stabilizing chip N2 is WRH25-24S05 chips；The charging chip N1 is UCT3142C chips；
+ VIN the pins of the voltage stabilizing chip N2 are connect with the VIN pins of charging chip N1, VIN pins, CE pins respectively；
The GND pin of voltage stabilizing chip N2 is connect with the FAULT pins of charging chip N1；The positive and negative anodes of capacitance C1 are parallel-connected to surely respectively
Press+Vo1 pins, the GND pin both ends of chip N2；The anode of diode V1 is connect with+Vo1 the pins of voltage stabilizing chip N2, two poles
One end of pipe V1 connection resistance R1, and connect one end of resistance R2, the GND that the other end of resistance R1 is connected to voltage stabilizing chip N2 draw
Foot, resistance R2 are connected to the CHRG pins of charging chip N1；
The BAT pins of charging chip N1 are connect with BAT pins, and TEMP pins are connect with GND pin；Charging chip N1 draws
The BAT of foot is connected to the lithium battery anode, and the GND pin of charging chip N1 is connected to the cathode of lithium battery；Charging chip N1's
BAT pins are connect with one end of resistance R4, and the other end of resistance R4 is connected to capacitance C2 anodes, and the cathode of capacitance C2, which is connected to, to be filled
The GND pin of electrical chip N1；The ISET pins of charging chip N1 be sequentially connected resistance R5, resistance R3, charging chip N1 GND draw
Foot；
The GND pin of voltage stabilizing chip N2 connects GND；The GND pin of charging chip N1 connects GND；
The diode V1 is double-colored diode temperature.
The working method of this circuit：
DC/DC modules are used for operating voltage that externally input voltage transformation is charging chip N1 and are charging chip N1
Power supply, the charged state indicating module of connection display lithium battery charged state between DC/DC modules and charging chip N1, charge core
Piece N1 is connected with the current precision control module for being output to the current precision of lithium battery for controlling charging chip N1.Charged state
Indicating module includes dichromatic LED V1 and current-limiting resistance R1, current-limiting resistance R2, dichromatic LED V1 respectively with limit
Leakage resistance R1, R2 are connected in series with, and the anode of dichromatic LED V1 is connected to the power output end and charging core of DC/DC modules
Power input VIN pins, the Enable Pin CE pins of piece N1, the cathode of dichromatic LED V1 respectively with current-limiting resistance R2,
R1 is connected in series with the charged state indication end CHRG pins with charging chip N1, battery error condition indication end FAULT pins afterwards
It connects and is grounded.Current precision control module includes that two current precisions control resistance R3, resistance R5, and current precision controls resistance
R3, current precision control resistance R5 are connected in series with, two be connected in series with current precision control resistance both ends respectively with institute
Charging chip electric current setting end ISET pins are stated to connect with ground terminal.The resistance for controlling output current size is divided into two by the present invention
The resistance of a difference resistance level, when adjusting, are only adjusted the resistance of smaller resistance level, to by the essence of output current
Degree improves an order of magnitude.
The present invention uses lithium battery charging chip N1 as charge controlling chip, using the DC/ of high-precision wide voltage range
DC modules are powered for charging circuit, and the display of charged state is realized using the colour match of dichromatic LED.Charging chip
N1 is internally integrated power transistor, and when application is not required to external impressed current detection resistance and blocking diode, when cell voltage is relatively low
Using the precharge mode of low current, charged using constant current, constant pressure, constant temperature mode.Have the function of to recharge automatically, state instruction
Output can drive LED to show.
Dichromatic LED is there are three pin, and there are red and green two kinds of illuminators in inside, by on-load voltage to not
With pin, to make the rubescent color of light emitting diode or green light, this circuit design are always on for green light, shiny red when charging.
In the front ends charging chip N1, the voltage stabilizing chip N2 for using DC/DC modules is powered, and voltage stabilizing chip N2 is to carry
For stable output voltage, there is overcurrent-overvoltage overheating protection function, DC/DC modules to be changed into 18-36V DC input voitages
5V voltages are charging chip power supply, it can be achieved that being that multisection lithium battery charges, and each group charging circuit works independently simultaneously, mutually
It does not influence.
The present invention can carry out constant current/constant voltage charging to lithium battery, and peripheral circuit is simple, and output voltage precision is high, output
Current adjustment has charged state instruction, improves charging efficiency.
When the present invention charges, when cell voltage is more than power supply low voltage test threshold value, start to charge the battery.Such as
When fruit cell voltage is less than preset value, charger low current is to battery into line precharge to protect battery.When cell voltage height
When preset value, charger charges to battery using constant current mode.When cell voltage is close to battery-end modulation voltage, into perseverance
Charge mode, charging current is pressed to be gradually reduced.When charging current, which is reduced to charging, terminates threshold value, charge cycle terminates.
The present invention provides a kind of convenient charged lithium cells and its charging circuit, has and set lithium battery to conventional dry electricity
The form in pond, and the characteristics of lithium battery side is arranged for lithium battery charging interface.
Above content is only to structure of the invention example and explanation, affiliated those skilled in the art couple
Described specific embodiment does various modifications or additions or substitutes by a similar method, without departing from invention
Structure or beyond the scope defined by this claim, is within the scope of protection of the invention.
Claims (10)
1. a kind of convenient charged lithium cells, including battery side wall (1), positive pole ear (2), negative lug (3), positive pole stick lid
(4), charging interface (5), it is characterised in that：
The lithium battery lateral wall is provided with battery side wall (1), and positive pole ear (2), positive pole ear are provided at the top of battery side wall (1)
(2) upper surface is provided with positive pole stick lid (4)；Battery side wall (1) bottom is provided with negative lug (3), negative lug (3) bottom
It is provided with cathode gasket；Charging interface (5) is provided on battery side wall (1).
2. a kind of convenient charged lithium cells according to claim 1, which is characterized in that the charging interface (5) is
One kind in MicroUSB, MiniUSB, USB Type-C interface；It is charged to the lithium battery by charging interface (5), lithium battery
It is discharged by the cathode gasket in positive pole stick lid (4), negative lug (3).
3. a kind of convenient charged lithium cells according to claim 1, which is characterized in that the lithium battery output voltage is
1.5V, lithium battery are identical as a kind of size in No. 2 dry cells, No. 5 dry cells, No. 7 dry cells.
4. a kind of convenient charged lithium cells according to claim 1, which is characterized in that charging interface (5) connection is straight
Galvanic electricity source.
5. a kind of convenient charged lithium cells according to claim 1, which is characterized in that the charging interface (5) connects 5-
12V2.5-1.5A。
6. a kind of convenient charged lithium cells according to claim 1, which is characterized in that charging interface (5) edge is set
It is equipped with instruction light source.
7. a kind of convenient charged lithium cells charging circuit, which is characterized in that the circuit includes DC/DC modules, charging module；
Containing voltage stabilizing chip N2, adjusting circuit in the DC/DC modules, charging module includes charging chip N1, protection circuit；Surely
Pressure chip N2 is connected to by adjusting circuit on charging chip N1, and charging chip N1 is by protecting circuit to be connected to the lithium battery two
End.
8. a kind of convenient charged lithium cells charging circuit according to claim 7, which is characterized in that the voltage stabilizing chip N2
For WRH25-24S05 chips；The charging chip N1 is UCT3142C chips.
9. a kind of convenient charged lithium cells charging circuit according to claim 7, which is characterized in that the voltage stabilizing chip N2
+ VIN pins connect respectively with the VIN pins of charging chip N1, VIN pins, CE pins；The GND pin of voltage stabilizing chip N2 with
The FAULT pins of charging chip N1 connect；The positive and negative anodes of capacitance C1 be parallel-connected to respectively voltage stabilizing chip N2+Vo1 pins,
GND pin both ends；The anode of diode V1 is connect with+Vo1 the pins of voltage stabilizing chip N2, and the one of diode V1 connection resistance R1
End, and one end of resistance R2 is connected, the other end of resistance R1 is connected to the GND pin of voltage stabilizing chip N2, and resistance R2, which is connected to, to be filled
The CHRG pins of electrical chip N1；
The BAT pins of charging chip N1 are connect with BAT pins, and TEMP pins are connect with GND pin；Charging chip N1 pins
BAT is connected to the lithium battery anode, and the GND pin of charging chip N1 is connected to the cathode of lithium battery；The BAT of charging chip N1 draws
Foot is connect with one end of resistance R4, and the other end of resistance R4 is connected to capacitance C2 anodes, and the cathode of capacitance C2 is connected to charging core
The GND pin of piece N1；The ISET pins of charging chip N1 are sequentially connected the GND pin of resistance R5, resistance R3, charging chip N1；
The GND pin of voltage stabilizing chip N2 connects GND；The GND pin of charging chip N1 connects GND.
10. a kind of convenient charged lithium cells charging circuit according to claim 9, which is characterized in that the diode V1
For double-colored diode temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810582705.7A CN108649261A (en) | 2018-06-07 | 2018-06-07 | A kind of convenient charged lithium cells and its charging circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810582705.7A CN108649261A (en) | 2018-06-07 | 2018-06-07 | A kind of convenient charged lithium cells and its charging circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108649261A true CN108649261A (en) | 2018-10-12 |
Family
ID=63751860
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810582705.7A Pending CN108649261A (en) | 2018-06-07 | 2018-06-07 | A kind of convenient charged lithium cells and its charging circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108649261A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112104019A (en) * | 2020-08-26 | 2020-12-18 | 济南浪潮高新科技投资发展有限公司 | Battery state detection device |
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| CN107122065A (en) * | 2017-04-19 | 2017-09-01 | 傅书华 | A kind of rechargeable cell |
| CN107134600A (en) * | 2017-06-16 | 2017-09-05 | 张天伟 | A kind of rechargeable battery |
| CN107863579A (en) * | 2017-10-28 | 2018-03-30 | 刘正南 | A kind of rechargeable battery |
| CN107863580A (en) * | 2017-11-17 | 2018-03-30 | 周广瑞 | A kind of recyclable rechargeable battery |
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2018
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202564496U (en) * | 2012-05-11 | 2012-11-28 | 杨常昊 | Battery with USB (universal serial bus) interface |
| CN203086194U (en) * | 2013-01-15 | 2013-07-24 | 武汉华博通讯有限公司 | A lithium battery charger circuit |
| CN205335363U (en) * | 2015-12-14 | 2016-06-22 | 深圳市中正大鹏科技有限公司 | Lithium battery |
| CN107122065A (en) * | 2017-04-19 | 2017-09-01 | 傅书华 | A kind of rechargeable cell |
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| CN112104019A (en) * | 2020-08-26 | 2020-12-18 | 济南浪潮高新科技投资发展有限公司 | Battery state detection device |
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| PB01 | Publication | ||
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Application publication date: 20181012 |