CN110212606A - A kind of more tandem lithium battery source circuits - Google Patents
A kind of more tandem lithium battery source circuits Download PDFInfo
- Publication number
- CN110212606A CN110212606A CN201910509400.8A CN201910509400A CN110212606A CN 110212606 A CN110212606 A CN 110212606A CN 201910509400 A CN201910509400 A CN 201910509400A CN 110212606 A CN110212606 A CN 110212606A
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- Prior art keywords
- circuit
- resistance
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- charge
- diode
- 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.)
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Links
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 19
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 19
- 230000002093 peripheral effect Effects 0.000 claims abstract description 7
- 238000001514 detection method Methods 0.000 claims description 21
- 239000003990 capacitor Substances 0.000 claims description 17
- 230000005611 electricity Effects 0.000 claims description 12
- 230000001012 protector Effects 0.000 claims description 3
- 238000007599 discharging Methods 0.000 abstract description 2
- 210000001699 lower leg Anatomy 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 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
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
- H01M10/4257—Smart batteries, e.g. electronic circuits inside the housing of the cells or batteries
-
- 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
-
- 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
- H02J7/0047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
-
- H02J7/0077—
-
- H02J7/0088—
-
- 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
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
- H01M2010/4271—Battery management systems including electronic circuits, e.g. control of current or voltage to keep battery in healthy state, cell balancing
-
- 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 discloses a kind of more tandem lithium battery source circuits, including external power supply, charge status indicating light circuit, charge management circuit and power path management circuit, the power supply output end of the external power supply is connect with the input terminal of the charge status indicating light circuit, the output end of the charge status indicating light circuit is connect with the input terminal of the charge management circuit, the output end of the charge management circuit is connect with the input terminal of the power path management circuit, and the output end of the power path management circuit is connect with peripheral hardware feeder ear.Present invention optimizes more tandem lithium battery source circuits, more tandem lithium power supplys of the discharging function when filling are made it have, the power circuit for enabling product to discharge while charging equipment has structure simple, safety, feature at low cost.
Description
Technical field
The present invention relates to charged lithium cells more particularly to a kind of more tandem lithium battery source circuits.
Background technique
Existing 7 series lithium battery product currently on the market, substantially independent lithium battery power supply have built-in and detachable
Two kinds of assembly methods, but they have a same problem, and exactly equipment is not available during battery charging, makes some spies
Determine use occasion (as outdoor) not being available, after needing to wait batteries charged, could power to equipment；Therefore one kind is needed to have
The lithium power supply of more tandems of playing function when filling enables product to discharge while charging equipment.
Summary of the invention
The object of the invention is that solve the above-mentioned problems and to provide a kind of safety fire-retardant, reduce rechargeable battery safety
More tandem lithium battery source circuits of hidden danger.
The present invention through the following technical solutions to achieve the above objectives:
The present invention includes external power supply, charge status indicating light circuit, charge management circuit and power path management circuit,
The power supply output end of the external power supply is connect with the input terminal of the charge status indicating light circuit, the charged state instruction
The output end of circuit for lamp is connect with the input terminal of the charge management circuit, the output end of the charge management circuit and the electricity
Source path manages the input terminal connection of circuit, and the output end of the power path management circuit is connect with peripheral hardware feeder ear.
Specifically, state instruction circuit for lamp includes charge status indicating light LED200, battery voltage detection circuit and voltage
Comparison circuit, the external power supply are connect with the input terminal of the battery voltage detection circuit, the battery voltage detection circuit
Output end connect with the input terminal of the voltage comparator circuit, the output end of the voltage comparator circuit and the charged state
The input terminal of indicator light LED200 connects, and the battery voltage detection circuit includes the 2nd 06 resistance R206, the 2nd 07 electricity
Hinder R207, the 2nd 08 resistance R208 and the 2nd 09 capacitor C209, the external power supply and the 2nd 06 resistance R206
First end series connection, the 2nd 07 resistance R207, the 2nd 08 resistance R208 and the 2nd 09 capacitor C209 it is in parallel after with
The second end of the 2nd 06 resistance R206 connects, and the 2nd 08 resistance R208 is connect with the voltage comparator circuit,
The voltage comparator circuit includes the 2nd 01 resistance R201, the 2nd 05 resistance R205, the 2nd 04 capacitor C204, the one or two
Pole pipe ZD201 and the second diode U200, the 2nd 08 resistance R208 are connect with the second diode U200, and described
The anode tap of two diode U200 is grounded, the anode tap ground connection of the first diode ZD201, the second diode U200's
It is inputted after the negative pole end of negative pole end and the first diode ZD201 are in parallel with the control of the charge status indicating light LED200
End connection.
Specifically, the charge management circuit includes the 2nd 25 resistance R225, first switch tube M207, second switch
M208, third switching tube M209, inductance L200, third diode D207, the 4th diode D206, the 2nd 06 capacitor C206,
2nd 29 resistance R229, the 2nd sixteen resistance R228 and Charge Management IC U201, charging input power anode J201 is by filling
Circuit and the 4th diode D206 and charging input negative terminal J204 and battery positive B+ form charge circuit, the charging
Circuit includes first switch tube M207, inductance L200, third diode D207 and the 2nd 06 capacitor C206, the charging input
Power positive end J201 is connect with the 7th foot of the Charge Management IC U201, the 1st foot and the 5th of the Charge Management IC U201
The both ends of the 2nd 25 resistance R225 are arranged in detect voltage, the electricity of the 229 resistance R229 and the 2nd sixteen in foot
The bleeder circuit of resistance R228 composition is connect with the input terminal of the second switch M208.
Further, the power path management circuit includes R235 described in R234, R230IC U202A and R237 composition
Battery voltage detection circuit is connect with the crus secunda of the IC U202A, described to form input terminal supply voltage by R234 and R230
Detection circuit is input to the third foot connection of IC U202A, the current collection of the output end of the IC U202A and the triode Q200
Pole connection, the emitter ground connection of the triode Q200, the collector of the triode Q200 are connect with one end of the R234,
The other end of the R234 is connect with the third switching tube M209 of the charge management circuit.
Specifically, being provided with charging overheat protector on the charge status indicating light circuit.
The beneficial effects of the present invention are:
Present invention optimizes more tandem lithium battery source circuits, more tandem lithiums electricity of the discharging function when filling is made it have
Source, the power circuit for enabling product to discharge while charging equipment, has structure simple, safety, spy at low cost
Point.
Detailed description of the invention
Fig. 1 is circuit diagram of the invention；
Figure A in attached drawing 1 is charge status indicating light circuit；
Figure B is charge management circuit；
Figure C is power path management circuit.
Specific embodiment:
The present invention will be further explained below with reference to the attached drawings:
As shown in Figure 1, including external power supply, charge status indicating light circuit, charge management circuit and power source path management
The power supply output end of circuit, the external power supply is connect with the input terminal of the charge status indicating light circuit, the charging shape
The output end of state indicator light circuit is connect with the input terminal of the charge management circuit, the output end of the charge management circuit with
The input terminal of the power path management circuit connects, and the output end and peripheral hardware feeder ear of the power path management circuit connect
It connects.
Lithium electricity charging circuit is formed using high performance high pressure BUCK IC, has current limliting constant-voltage charge, battery excess temperature automatic
Charge closing and power source path management function guarantee lithium electricity safe charging and using safe；As shown in Fig. 1.
State instruction circuit for lamp includes charge status indicating light LED200, and battery voltage detection circuit and voltage are more electric
Road, the external power supply are connect with the input terminal of the battery voltage detection circuit, the output of the battery voltage detection circuit
End is connect with the input terminal of the voltage comparator circuit, the output end of the voltage comparator circuit and the charge status indicating light
The input terminal of LED200 connects, the battery voltage detection circuit include the 2nd 06 resistance R206, the 2nd 07 resistance R207,
2nd 08 resistance R208 and the 2nd 09 capacitor C209, the first end of the external power supply and the 2nd 06 resistance R206
Series connection, the 2nd 07 resistance R207, the 2nd 08 resistance R208 and the 2nd 09 capacitor C209 it is in parallel after with described second
The second end of 06 resistance R206 connects, and the 2nd 08 resistance R208 is connect with the voltage comparator circuit, the voltage
Comparison circuit includes the 2nd 01 resistance R201, the 2nd 05 resistance R205, the 2nd 04 capacitor C204, first diode
ZD201 and the second diode U200, the 2nd 08 resistance R208 are connect with the second diode U200, and the described 2nd 2
The anode tap of pole pipe U200 is grounded, the anode tap ground connection of the first diode ZD201, the cathode of the second diode U200
Connect after the negative pole end of end and the first diode ZD201 are in parallel with the control signal of the charge status indicating light LED200
It connects.
As shown in the figure A in attached drawing 1, battery voltage detection circuit is formed by resistance R206, R207, R208, C209, is inputted
To the 3rd foot of U200；When accessing charge power supply, forming voltage comparator circuit by R201, R205, C204, ZD201, U200 will
It starts to work, low and high level is exported by the 2nd foot of U200, control charge status indicating light LED200 shows green light (the full electricity of battery)
Or red light (battery power shortage).
The charge management circuit includes the 2nd 25 resistance R225, first switch tube M207, second switch M208, the
Three switching tube M209, inductance L200, third diode D207, the 4th diode D206, the 2nd 06 capacitor C206, the 2nd 29
Resistance R229, the 2nd sixteen resistance R228 and Charge Management IC U201, charging input power anode J201 by charging circuit with
The 4th diode D206 and charging input negative terminal J204 and battery positive B+ form charge circuit, and the charging circuit includes
First switch tube M207, inductance L200, third diode D207 and the 2nd 06 capacitor C206, the charging input power anode
J201 is connect with the 7th foot of the Charge Management IC U201, and the 1st foot of the Charge Management IC U201 and the setting of the 5th foot exist
The both ends of the 2nd 25 resistance R225 are to detect voltage, the 229 resistance R229 and the 2nd sixteen resistance R228 group
At bleeder circuit connect with the input terminal of the second switch M208.As shown in the figure B in attached drawing 1, charge input power
Anode is by J201, by R225 to the charging circuit being made of switching tube M207, inductance L200, diode D207, capacitor C206,
And by D206 to battery positive B+, and from battery negative terminal back to charging input negative terminal, charge circuit is formed.
It charges simultaneously and inputs anode by R225, M209 to power supply output plus terminal P+, give peripheral hardware power supply, and from peripheral hardware negative terminal
Back to charging input negative terminal, power-supplying circuit is formed.
It charges simultaneously and inputs anode pipe M208 is turned off the switch by the bleeder circuit being made of R229, R228, make+can not lead to
Switching tube M208 is crossed to charge to B+.
Charge Management IC U201 detects R225 both end voltage by the 1st and the 5th foot, is identified through the electric current of R225, works as electricity
When stream is more than setting value, pipe M207 will be turned off the switch, cuts off charging path.
The power path management circuit includes R235 described in R234, R230IC U202A and R237 composition cell voltage inspection
Slowdown monitoring circuit is connect with the crus secunda of the IC U202A, and described by R234 and R230 to form input terminal voltage detection circuit defeated
Enter the third foot connection to IC U202A, the output end of the IC U202A is connect with the collector of the triode Q200, institute
The emitter ground connection of triode Q200 is stated, the collector of the triode Q200 is connect with one end of the R234, the R234
The other end connect with the third switching tube M209 of the charge management circuit.
As shown in the figure C in attached drawing, input terminal voltage detection circuit is formed by R234, R230 and is input to IC U202A
The 3rd foot, the 2nd foot of IC U202A is input to by the battery voltage detection circuit that R235, R237 are formed.
When access charging input power, the voltage of the 3rd foot of IC U202A will be above the 2nd foot, and the 1st foot of IC U202A will
High level is exported, triode Q200 conducting is controlled by the bleeder circuit being made of R233, R236, and by by R232, R231
The bleeder circuit control switch pipe M209 of composition is connected, and exports charging input by P+ and gives peripheral hardware normal power supply.
When pulling out charging input power, the voltage of the 3rd foot of IC U202A is lower than the 2nd foot, and the 1st foot of IC U202A will be defeated
Low level out controls triode Q200 by the bleeder circuit being made of R233, R236 and closes, and by by R232, R231 group
At bleeder circuit control switch pipe M209 close, so that battery positive B+ is not fallen by switching tube M208, M209, resistance R225
It is poured into charging input power anode, makes circuit operation irregularity.
Charging overheat protector is provided on the charge status indicating light circuit.
As shown in the figure A in attached drawing 1, the 2nd foot of IC U201 connects the positive temperature detection control switch PTC200 of open type (letter
Claim: PTC temperature controller), under normal condition, PTC is in an off state, and the 2nd foot of IC U201 is being connected to charging by R223 and is inputting just
End, IC U201 are worked normally, and are exported pwm control signal by the 6th foot, are controlled by switching tube M207, diode D207, inductance
The charging circuit work of L200, capacitor C206 composition, makes battery be in normal charging condition；When detect battery temperature be more than peace
When full permissive temperature, PTC200 closure, the 2nd foot of IC U201 is grounded power supply negative terminal, and IC U201 stops working, and passes through the 6th
Foot exports high level, turns off switching tube M207, cuts off charge path, stops charging the battery.When temperature drops to charging license
At a temperature of, IC U201 exports pwm control signal again through the 6th foot, opens charge circuit.
The above is merely preferred embodiments of the present invention, be not intended to limit the invention, it is all in spirit of the invention and
Made any modifications, equivalent replacements, and improvements etc., should be included within the scope of the present invention within principle.
Claims (5)
1. a kind of more tandem lithium battery source circuits, including external power supply, it is characterised in that: further include charge status indicating light electricity
Road, charge management circuit and power path management circuit, the power supply output end of the external power supply and the charged state indicate
The input terminal of circuit for lamp connects, and the output end of the charge status indicating light circuit and the input terminal of the charge management circuit connect
It connects, the output end of the charge management circuit is connect with the input terminal of the power path management circuit, the power source path pipe
The output end of reason circuit is connect with peripheral hardware feeder ear.
2. more tandem lithium battery source circuits according to claim 1, it is characterised in that: the charge status indicating light electricity
Road includes charge status indicating light LED200, battery voltage detection circuit and voltage comparator circuit, the external power supply with it is described
The input terminal of battery voltage detection circuit connects, the output end of the battery voltage detection circuit and the voltage comparator circuit
Input terminal connection, the output end of the voltage comparator circuit are connect with the input terminal of the charge status indicating light LED200, institute
Stating battery voltage detection circuit includes the 2nd 06 resistance R206, the 2nd 07 resistance R207, the 2nd 08 resistance R208 and the
209 capacitor C209, the external power supply are connected with the first end of the 2nd 06 resistance R206, the 2nd 07 electricity
Second end after resistance R207, the 2nd 08 resistance R208 and the 2nd 09 capacitor C209 are in parallel with the 2nd 06 resistance R206
Connection, the 2nd 08 resistance R208 are connect with the voltage comparator circuit, and the voltage comparator circuit includes the 2nd 01
Resistance R201, the 2nd 05 resistance R205, the 2nd 04 capacitor C204, first diode ZD201 and the second diode U200, institute
It states the 2nd 08 resistance R208 to connect with the second diode U200, the anode tap ground connection of the second diode U200, institute
State the anode tap ground connection of first diode ZD201, the negative pole end and the first diode ZD201 of the second diode U200
Negative pole end it is in parallel after connect with the control signal of the charge status indicating light LED200.
3. more tandem lithium battery source circuits according to claim 1, it is characterised in that: the charge management circuit includes
2nd 25 resistance R225, first switch tube M207, second switch M208, third switching tube M209, inductance L200, the three or two
Pole pipe D207, the 4th diode D206, the 2nd 06 capacitor C206, the 2nd 29 resistance R229, the 2nd sixteen resistance R228 and
Charge Management IC U201, charging input power anode J201 are defeated by charging circuit and the 4th diode D206 and charging
Enter negative terminal J204 and battery positive B+ and form charge circuit, the charging circuit includes first switch tube M207, inductance L200, the
Three diode D207 and the 2nd 06 capacitor C206, the charging input power anode J201 and the Charge Management IC U201
The connection of the 7th foot, the 1st foot and the 5th foot of the Charge Management IC U201 be arranged in the two of the 2nd 25 resistance R225
It is opened to detect voltage, the bleeder circuit that the 229 resistance R229 and the 2nd sixteen resistance R228 are formed with described second at end
Close the input terminal connection of pipe M208.
4. more tandem lithium battery source circuits according to claim 1, it is characterised in that: the power path management circuit
Second including R235 described in R234, R230 IC U202A and R237 composition battery voltage detection circuit and the IC U202A
Foot connection, it is described input terminal voltage detection circuit formed by R234 and R230 be input to the third foot of IC U202A connect,
The output end of the IC U202A is connect with the collector of the triode Q200, the emitter ground connection of the triode Q200,
The collector of the triode Q200 is connect with one end of the R234, the other end of the R234 and the charge management circuit
The M209 connection of third switching tube.
5. more tandem lithium battery source circuits according to claim 1, it is characterised in that: the charge status indicating light electricity
Road is provided with charging overheat protector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910509400.8A CN110212606A (en) | 2019-06-13 | 2019-06-13 | A kind of more tandem lithium battery source circuits |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910509400.8A CN110212606A (en) | 2019-06-13 | 2019-06-13 | A kind of more tandem lithium battery source circuits |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110212606A true CN110212606A (en) | 2019-09-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910509400.8A Pending CN110212606A (en) | 2019-06-13 | 2019-06-13 | A kind of more tandem lithium battery source circuits |
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| Country | Link |
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| CN (1) | CN110212606A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1595762A (en) * | 2004-06-22 | 2005-03-16 | 宁波思高软件科技有限公司 | A telephone set power supply management circuit |
| US20150027466A1 (en) * | 2013-07-23 | 2015-01-29 | Zhiyong Xiang | Usb charger for an electronic cigarette |
| CN207691469U (en) * | 2017-12-04 | 2018-08-03 | 厦门芯源电子科技有限公司 | A kind of mobile power that do not discharge that charges |
| CN207819492U (en) * | 2018-01-02 | 2018-09-04 | 国核信息科技有限公司 | A kind of management of charging and discharging device of rechargeable battery |
| CN108808775A (en) * | 2018-06-11 | 2018-11-13 | 汉能移动能源控股集团有限公司 | Mobile power supply and charging and discharging method thereof |
-
2019
- 2019-06-13 CN CN201910509400.8A patent/CN110212606A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1595762A (en) * | 2004-06-22 | 2005-03-16 | 宁波思高软件科技有限公司 | A telephone set power supply management circuit |
| US20150027466A1 (en) * | 2013-07-23 | 2015-01-29 | Zhiyong Xiang | Usb charger for an electronic cigarette |
| CN207691469U (en) * | 2017-12-04 | 2018-08-03 | 厦门芯源电子科技有限公司 | A kind of mobile power that do not discharge that charges |
| CN207819492U (en) * | 2018-01-02 | 2018-09-04 | 国核信息科技有限公司 | A kind of management of charging and discharging device of rechargeable battery |
| CN108808775A (en) * | 2018-06-11 | 2018-11-13 | 汉能移动能源控股集团有限公司 | Mobile power supply and charging and discharging method thereof |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190906 |
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| RJ01 | Rejection of invention patent application after publication |