CN102843829A - Constant-current light-emitting circuit for electronic candle - Google Patents
Constant-current light-emitting circuit for electronic candle Download PDFInfo
- Publication number
- CN102843829A CN102843829A CN2012102949271A CN201210294927A CN102843829A CN 102843829 A CN102843829 A CN 102843829A CN 2012102949271 A CN2012102949271 A CN 2012102949271A CN 201210294927 A CN201210294927 A CN 201210294927A CN 102843829 A CN102843829 A CN 102843829A
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- Prior art keywords
- constant
- current
- circuit
- light
- led lamp
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
Abstract
The invention discloses a constant-current light-emitting circuit for an electronic candle, comprising a constant-current circuit and a light-emitting circuit. The input end of the constant-current circuit is connected with a power supply through an inductor L1, and the output end is connected with the input end of the light-emitting circuit; the constant-current circuit comprises a constant-current transistor U1, an electrolytic capacitor C1 and an adjustable resistor R1; and the light-emitting circuit comprises a flickering timing module U2 and an LED (light-emitting diode) lamp. The work principle of the constant-current light-emitting circuit for the electronic candle is as follows: constant current is supplied to the LED lamp, and the brightness of the LED lamp is adjusted by the adjustable resistor R1. The constant-current light-emitting circuit for the electronic candle is simple in structure and reasonable in design, can output constant current under the condition of wide input voltage and can effectively ensure that the LED lamp keeps the same brightness all the way under the condition that the voltage is low and has long light duration.
Description
Technical field
The invention belongs to the electronic circuit technology field, be specifically related to a kind of electric candle constant current illuminating circuit.
Background technology
Electric candle of the prior art mostly adopts dry cell power supply; Light is very bright when electric candle just uses; But along with the time of using is elongated, light is deepening gradually, and to the last electric weight exhausts; Because selecting for use of LED lamp makes that the light duration is shorter, can not meet energy-conservation demands of social development simultaneously.
Summary of the invention
Goal of the invention: the objective of the invention is in order to solve the deficiency of prior art, provide a kind of brightness as one, the electric candle constant current illuminating circuit of light longer duration.
Technical scheme: a kind of electric candle constant current illuminating circuit of the present invention; Comprise constant-current circuit and illuminating circuit; The input of said constant-current circuit is connected with power supply through inductance L 1, and the output of said constant-current circuit is connected with the input of said illuminating circuit; Said constant-current circuit comprises constant current triode U1; Electrochemical capacitor C1 and adjustable resistance R1; The output 3 of said constant current triode U1 is connected with adjustable resistance R1 with said electrochemical capacitor C1 respectively; Said illuminating circuit comprises wink timing module U2 and LED lamp, and the output end vo ut of said wink timing module U2 is connected with said LED lamp.
As preferably, said supply voltage is 3-6V.
As preferably, the continuous current scope of said constant-current circuit is 1-100mA.
As preferably, the specified moving rate of said LED lamp is 0.2-0.25W.
Operation principle of the present invention is exactly on the basis of original electric candle illuminating circuit, to have increased constant-current circuit; Make the electric current of entire circuit keep constant; The LED lamp that combination is simultaneously selected for use; Make and the same brightness of light to beginning to whole maintenance of whole electric candle so just reduced the consumption of the energy, energy-conserving and environment-protective.
Beneficial effect: the present invention is simple in structure, and is reasonable in design, and exportable constant current under the input voltage situation of broad can effectively solve and under the lower situation of voltage ratio, can make the same brightness of LED lamp to beginning to whole maintenance, and LED light longer duration.
Description of drawings
Fig. 1 is a circuit structure schematic diagram of the present invention.
Embodiment
Below in conjunction with specific embodiment the present invention is described further:
Like a kind of electric candle constant current illuminating circuit shown in the drawings; Comprise constant-current circuit and illuminating circuit; The input of constant-current circuit is connected with power supply through inductance L 1, and the supply voltage scope is 3-6V, and the output of constant-current circuit is connected with the input of illuminating circuit; Constant-current circuit comprises constant current triode U1; Electrochemical capacitor C1 and adjustable resistance R1; The output 3 of constant current triode U1 is connected with adjustable resistance R1 with electrochemical capacitor C1 respectively; Illuminating circuit comprises wink timing module U2 and LED lamp, and the output end vo ut of wink timing module U2 is connected with the LED lamp, and the specified moving rate of LED lamp is 0.2-0.25W.
The present invention is through regulating the electric current of R1 scalable constant-current circuit, and the continuous current scope of constant-current circuit is 1-100mA, and electric current changes the change of the brightness that is the LED lamp; Power supply saves button cells as if employing 3, sustainable 500 hours of LED lamplight brightness, if power supply adopts No. 5 dry cells of 2 joints, and sustainable 1000 hours of LED lamplight brightness, power supply is if employing 2 saves No. 2 batteries, sustainable 2000 hours of LED lamplight brightness.
Claims (4)
1. electric candle constant current illuminating circuit is characterized in that: comprise constant-current circuit and illuminating circuit, the input of said constant-current circuit is connected with power supply through inductance L 1, and the output of said constant-current circuit is connected with the input of said illuminating circuit; Said constant-current circuit comprises constant current triode U1; Electrochemical capacitor C1 and adjustable resistance R1; The output 3 of said constant current triode U1 is connected with adjustable resistance R1 with said electrochemical capacitor C1 respectively; Said illuminating circuit comprises wink timing module U2 and LED lamp, and the output end vo ut of said wink timing module U2 is connected with said LED lamp.
2. a kind of electric candle constant current illuminating circuit according to claim 1, it is characterized in that: said supply voltage is 3-6V.
3. a kind of electric candle constant current illuminating circuit according to claim 1, it is characterized in that: the continuous current scope of said constant-current circuit is 1-100mA.
4. a kind of electric candle constant current illuminating circuit according to claim 1, it is characterized in that: the specified moving rate of said LED lamp is 0.2-0.6W.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102949271A CN102843829A (en) | 2012-08-20 | 2012-08-20 | Constant-current light-emitting circuit for electronic candle |
| CN2012104680274A CN102917520A (en) | 2012-08-20 | 2012-11-19 | Constant current booster light-emitted circuit for electronic candle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102949271A CN102843829A (en) | 2012-08-20 | 2012-08-20 | Constant-current light-emitting circuit for electronic candle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102843829A true CN102843829A (en) | 2012-12-26 |
Family
ID=47370809
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012102949271A Pending CN102843829A (en) | 2012-08-20 | 2012-08-20 | Constant-current light-emitting circuit for electronic candle |
| CN2012104680274A Pending CN102917520A (en) | 2012-08-20 | 2012-11-19 | Constant current booster light-emitted circuit for electronic candle |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012104680274A Pending CN102917520A (en) | 2012-08-20 | 2012-11-19 | Constant current booster light-emitted circuit for electronic candle |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN102843829A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014029058A1 (en) * | 2012-08-20 | 2014-02-27 | 南通亚泰蜡业工艺品有限公司 | Constant current booster light-emitted circuit for electronic candle |
| CN105489133A (en) * | 2016-01-27 | 2016-04-13 | 潘少虎 | Flickering colored lamp |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201667038U (en) * | 2010-04-14 | 2010-12-08 | 上海科特高分子材料有限公司 | Stable state constant current circuit structure |
| CN202361103U (en) * | 2011-08-29 | 2012-08-01 | 刘源 | Novel LED candle light |
| CN202266895U (en) * | 2011-10-21 | 2012-06-06 | 南通亚泰蜡业工艺品有限公司 | Timing candle |
| CN102537729A (en) * | 2011-12-20 | 2012-07-04 | 东莞市奥一特实业有限公司 | Preparation method of all-dimensional candle lamp and all-dimensional candle lamp |
| CN202617457U (en) * | 2012-02-07 | 2012-12-19 | 深圳市比格利电源科技有限公司 | LED drive power supply and LED illumination lamp |
| CN202949604U (en) * | 2012-08-20 | 2013-05-22 | 南通亚泰蜡业工艺品有限公司 | Constant current boosting light-emitting circuit of electronic candle |
-
2012
- 2012-08-20 CN CN2012102949271A patent/CN102843829A/en active Pending
- 2012-11-19 CN CN2012104680274A patent/CN102917520A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014029058A1 (en) * | 2012-08-20 | 2014-02-27 | 南通亚泰蜡业工艺品有限公司 | Constant current booster light-emitted circuit for electronic candle |
| CN105489133A (en) * | 2016-01-27 | 2016-04-13 | 潘少虎 | Flickering colored lamp |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102917520A (en) | 2013-02-06 |
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