CN101997316A - Simple lithium battery charger circuit - Google Patents
Simple lithium battery charger circuit Download PDFInfo
- Publication number
- CN101997316A CN101997316A CN2009100130396A CN200910013039A CN101997316A CN 101997316 A CN101997316 A CN 101997316A CN 2009100130396 A CN2009100130396 A CN 2009100130396A CN 200910013039 A CN200910013039 A CN 200910013039A CN 101997316 A CN101997316 A CN 101997316A
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- China
- Prior art keywords
- resistance
- lithium battery
- light
- emitting diode
- voltage
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- 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
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention relates to an improvement of a circuit structure, in particular relates to a simple lithium battery charger circuit, comprising light-emitting diodes, resistors, a triode, a voltage-regulator tube and a lithium battery. The structure points of the circuit lie in that: the positive pole of the lithium battery is respectively connected with a fourth resistor, the negative pole a second light-emitting diode and a third resistor, and the negative pole of the lithium battery is respectively connected with a fifth resistor, the positive pole of the voltage-regulator tube and the negative pole of a first light-emitting diode; the negative pole of the voltage-regulator tube is respectively connected with the positive pole of the second light-emitting diode, a second resistor and the base of the triode; the control electrode of the voltage-regulator tube is respectively connected with the fourth resistor and the fifth resistor; and the emitting electrode of the triode is connected with the third resistor, the collector electrode of the triode is connected with the second resistor and the first resistor, and the first resistor is connected with the positive pole of the first light-emitting diode.
Description
Technical field:
The present invention relates to the improvement of circuit structure, relates in particular to a kind of simple and easy lithium battery charger circuit.
Background technology:
Existing lithium battery charger adopts constant voltage to charge the battery usually, its input direct voltage is higher than institute and fills lithium battery voltage and get final product for 3 volts, and be provided with large scale integrated circuits such as accurate adjustable voltage stabilizing circuit and adjustable constant-flow circuit, has the complexity of making, the components and parts costliness, shortcoming such as charge efficiency is low.
Summary of the invention:
The present invention is exactly at the problems referred to above, and a kind of simple and easy lithium battery charger circuit simple in structure is provided.
For achieving the above object, the present invention adopts following technical scheme, the present invention includes light-emitting diode, resistance, triode, voltage-stabiliser tube and lithium battery, the positive pole of its structural feature lithium battery is respectively with the 4th resistance, the negative pole of second light-emitting diode and the 3rd resistance link to each other, the negative pole of lithium battery is respectively with the 5th resistance, the negative pole of anodal and first light-emitting diode of voltage-stabiliser tube links to each other, the negative pole of voltage-stabiliser tube is the positive pole of same second light-emitting diode respectively, the base stage of second resistance and triode links to each other, the control utmost point of voltage-stabiliser tube links to each other with the 4th resistance and the 5th resistance respectively, the emitter of triode connects the 3rd resistance, the collector electrode of triode links to each other with second resistance and first resistance, and first resistance connects the positive pole of first light-emitting diode.
Beneficial effect of the present invention:
Because the positive pole of lithium battery of the present invention is respectively with the 4th resistance, the negative pole of second light-emitting diode and the 3rd resistance link to each other, the negative pole of lithium battery is respectively with the 5th resistance, the negative pole of anodal and first light-emitting diode of voltage-stabiliser tube links to each other, the negative pole of voltage-stabiliser tube is the positive pole of same second light-emitting diode respectively, the base stage of second resistance and triode links to each other, the control utmost point of voltage-stabiliser tube links to each other with the 4th resistance and the 5th resistance respectively, the emitter of triode connects the 3rd resistance, the collector electrode of triode links to each other with second resistance and first resistance, first resistance connects the positive pole of first light-emitting diode, so element is few, annexation is simple, so overall structure is simple.
Description of drawings:
Fig. 1 is circuit theory diagrams of the present invention.
Embodiment:
The present invention includes light-emitting diode D1, D2, resistance R 1, R2, R3, R4, R5, triode Q, voltage-stabiliser tube G and lithium battery V, the positive pole of lithium battery V is respectively with the 4th resistance R 4, the negative pole of the second light-emitting diode D2 and the 3rd resistance R 3 link to each other, the negative pole of lithium battery V is respectively with the 5th resistance R 5, the negative pole of the anodal and first light-emitting diode D1 of voltage-stabiliser tube G links to each other, the negative pole of voltage-stabiliser tube G is the positive pole of the same second light-emitting diode D2 respectively, the base stage of second resistance R 2 and triode Q links to each other, the control utmost point of voltage-stabiliser tube G links to each other with the 4th resistance R 4 and the 5th resistance R 5 respectively, the emitter of triode Q connects the 3rd resistance R 3, the collector electrode of triode Q links to each other with second resistance R 2 and first resistance R 1, and first resistance R 1 connects the positive pole of the first light-emitting diode D1.
Claims (1)
1. simple and easy lithium battery charger circuit, comprise light-emitting diode (D1, D2), resistance (R1, R2, R3, R4, R5), triode (Q), voltage-stabiliser tube (G) and lithium battery (V), the positive pole that it is characterized in that lithium battery (V) is respectively with the 4th resistance (R4), the negative pole of second light-emitting diode (D2) and the 3rd resistance (R3) link to each other, the negative pole of lithium battery (V) is respectively with the 5th resistance (R5), the negative pole of anodal and first light-emitting diode (D1) of voltage-stabiliser tube (G) links to each other, the negative pole of voltage-stabiliser tube (G) is the positive pole of same second light-emitting diode (D2) respectively, the base stage of second resistance (R2) and triode (Q) links to each other, the control utmost point of voltage-stabiliser tube (G) links to each other with the 4th resistance (R4) and the 5th resistance (R5) respectively, the emitter of triode (Q) connects the 3rd resistance (R3), the collector electrode of triode (Q) links to each other with second resistance (R2) and first resistance (R1), and first resistance (R1) connects the positive pole of first light-emitting diode (D1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100130396A CN101997316A (en) | 2009-08-11 | 2009-08-11 | Simple lithium battery charger circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100130396A CN101997316A (en) | 2009-08-11 | 2009-08-11 | Simple lithium battery charger circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101997316A true CN101997316A (en) | 2011-03-30 |
Family
ID=43787087
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009100130396A Pending CN101997316A (en) | 2009-08-11 | 2009-08-11 | Simple lithium battery charger circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101997316A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104300653A (en) * | 2014-11-13 | 2015-01-21 | 成都中远信电子科技有限公司 | Charger baby circuit for mobile phone |
| CN105511538A (en) * | 2015-12-02 | 2016-04-20 | 上海小糸车灯有限公司 | Drive circuit of cooling fan for LED automobile lamp |
-
2009
- 2009-08-11 CN CN2009100130396A patent/CN101997316A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104300653A (en) * | 2014-11-13 | 2015-01-21 | 成都中远信电子科技有限公司 | Charger baby circuit for mobile phone |
| CN105511538A (en) * | 2015-12-02 | 2016-04-20 | 上海小糸车灯有限公司 | Drive circuit of cooling fan for LED automobile lamp |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| DD01 | Delivery of document by public notice |
Addressee: Shi Shusheng Document name: Notification of Publication of the Application for Invention |
|
| DD01 | Delivery of document by public notice |
Addressee: Shi Shusheng Document name: Notification that Application Deemed to be Withdrawn |
|
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20110330 |