CN202385356U - Light-emitting diode (LED) driving device with dimming and flashing functions - Google Patents
Light-emitting diode (LED) driving device with dimming and flashing functions Download PDFInfo
- Publication number
- CN202385356U CN202385356U CN2011205476764U CN201120547676U CN202385356U CN 202385356 U CN202385356 U CN 202385356U CN 2011205476764 U CN2011205476764 U CN 2011205476764U CN 201120547676 U CN201120547676 U CN 201120547676U CN 202385356 U CN202385356 U CN 202385356U
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- Prior art keywords
- circuit
- power
- output end
- flasher
- power output
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B15/00—Special procedures for taking photographs; Apparatus therefor
- G03B15/02—Illuminating scene
- G03B15/03—Combinations of cameras with lighting apparatus; Flash units
- G03B15/05—Combinations of cameras with electronic flash apparatus; Electronic flash units
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/30—Driver circuits
- H05B45/37—Converter circuits
- H05B45/3725—Switched mode power supply [SMPS]
- H05B45/38—Switched mode power supply [SMPS] using boost topology
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B2215/00—Special procedures for taking photographs; Apparatus therefor
- G03B2215/05—Combinations of cameras with electronic flash units
- G03B2215/0564—Combinations of cameras with electronic flash units characterised by the type of light source
- G03B2215/0567—Solid-state light source, e.g. LED, laser
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The utility model discloses a light-emitting diode (LED) driving device with dimming and flashing functions, and aims to overcome the shortcomings that the conventional LED type illuminating lamp has complex circuit, is low in integration degree, cannot be used as a flashlight, does not have multiplicative flashing function and is low in flash brightness. The key points of the technical scheme are that: the LED driving device is characterized by comprising a power circuit, a booster circuit, an energy storage circuit, a control circuit, a flasher circuit, a dimming circuit and a driving circuit, which are correspondingly connected, wherein the power circuit is connected with the power input ends of the booster circuit, the control circuit and the dimming circuit respectively; the power output end of the booster circuit is connected with the power input end of the energy storage circuit of which the power output end is connected with the power input end of the flasher circuit through an LED lamp; the power output end of the flasher circuit is grounded; the signal output end of the control circuit is connected with the control signal input ends of the flasher circuit and the dimming circuit respectively; the power output end of the dimming circuit is connected with the power input end of the driving circuit; and the power output end of the driving circuit is connected with the power input end of the LED lamp.
Description
Technical field
The utility model relates to photography or makes a video recording with the matching block of lighting device, and particularly a kind of existing dimming function also has the LED illuminating lamp driving circuit device of flash function.
Background technology
Because advantages such as the LED light fixture has that power consumption is low, long service life, brightness are high, sturdy and durable; Extensive use is done photography or the illuminating lamp of the usefulness of making a video recording in recent years; This LED illuminating lamp must be connected with led drive circuit equally, and some also is connected with the LED light adjusting circuit, but these circuit all more complicated and degree of integration are low; Make trouble, the failure rate in the use also can be higher.Another problem is that the illuminating lamp of present existing photography or shooting usefulness does not generally have flash function; So can not make photoflash lamp uses; To some photography or shooting occasions that needs the moment high light, then can not be suitable for, this has limited the scope of application of the LED type illuminating lamp of photography or shooting usefulness.
The LED type photoflash lamp of photography of generally using at present or shooting usefulness; Generally be directly to supply power to LED by battery or DC-DC circuit; The brightness that is equal in the time of can only reaching battery or the output of DC-DC circuit when making flash of light output, the schillerization that do not double is so its flash luminance is not high.
Summary of the invention
For there are all more complicated of circuit in the LED type illuminating lamp that overcomes existing similar photography or shooting usefulness; And degree of integration is low, can not make photoflash lamp and use, and limits its scope of application; And there is the schillerization that do not double in the LED type photoflash lamp of photography or shooting usefulness; The defective that its flash luminance is not high, the purpose of the utility model provide a kind of improved LED drive unit with light modulation and flash function, can overcome the defective of prior art.
The utility model solves the technical scheme that its technical problem adopted: a kind of LED drive unit with light modulation and flash function; It is characterized in that: comprise that power circuit, booster circuit, accumulator, control circuit, flasher circuit, light adjusting circuit, drive circuit correspondence connect and compose; Wherein the output of power circuit is connected with the power input of booster circuit, control circuit and light adjusting circuit respectively; The power output end of booster circuit is connected with the power input of accumulator; The power output end of accumulator is connected with the power input of flasher circuit through the LDE lamp; The power output end ground connection of flasher circuit; The control signal output ends of control circuit is connected with the signal input end of flasher circuit and light adjusting circuit respectively, and the power output end of light adjusting circuit is connected with the power input of drive circuit, and the power output end of drive circuit is connected with the power end input of LED lamp.
The booster circuit of technique scheme can adopt switch converters, pressurizer and the controller IC of model LM2598S and peripheral discrete component correspondence thereof to connect and compose.
The control circuit of technique scheme can adopt the single-chip microcomputer integrated circuit of model STC12C5602AD and peripheral discrete component correspondence thereof to connect and compose.
The drive circuit of technique scheme can adopt the great power LED drive integrated circult of model DW8502 and peripheral discrete component correspondence thereof to connect and compose.
The energy-storage travelling wave tube of the accumulator of technique scheme can adopt large bulk capacitance.
The beneficial effect of the utility model: because with organic soft being in the same place of accumulator, flasher circuit, light adjusting circuit and drive circuit; So the LED type illuminating lamp of photography or shooting usefulness both can be used as illuminating lamp and had used; Also can be used as photoflash lamp and use, its scope of application is wider; Owing to be provided with booster circuit, the energy-storage travelling wave tube of accumulator can adopt large bulk capacitance, sparks through storage capacitor through power supply is boosted, so the moment that is provided can make flash effect reach very high brightness for big several times than power supply again; It is highly integrated and the foolproof characteristics that become are easy to make that the utility model also has circuit, and can effectively lower the operational failure rate.
Below in conjunction with accompanying drawing and embodiment the utility model is described further.
Description of drawings
Fig. 1 is the block diagram of an embodiment of the utility model.
Fig. 2 is a kind of circuit theory diagrams of Fig. 1.
Embodiment
With reference to Fig. 1; Originally the LED drive unit that has light modulation and flash function; It is characterized in that: comprise that power circuit, booster circuit, accumulator, control circuit, flasher circuit, light adjusting circuit, drive circuit correspondence connect and compose; Wherein the output of power circuit is connected with the power input of booster circuit, control circuit and light adjusting circuit respectively; The power output end of booster circuit is connected with the power input of accumulator; The power output end of accumulator is connected with the power input of flasher circuit through the LDE lamp, the power output end ground connection of flasher circuit, and the control signal output ends of control circuit is connected with the signal input end of accumulator, flasher circuit and light adjusting circuit respectively; The power output end of light adjusting circuit is connected with the power input of drive circuit, and the power output end of drive circuit is connected with the power input of LED lamp.
With reference to Fig. 2, the power circuit among Fig. 1 is connected and composed as correspondence by external power link 1 and 2, battery E, mains switch K1, fuse F, capacitor C 1, resistance R 1; Booster circuit is connected and composed as correspondence by switch converters, pressurizer and controller IC IC1, diode D1, inductor L, resistance R 2～R3, the capacitor C 1～C2 of model LM2598S; Accumulator is by diode D2, large bulk capacitance C3-1 ... C3-N connects and composes as correspondence; Control circuit is connected and composed as correspondence by single-chip microcomputer IC 2, resistance R 4～R5, capacitor C 4～C8, diode D3, the quartz-crystal resonator B of model STC12C5602AD; Flasher circuit is connected and composed as correspondence by the great power LED drive integrated circult IC3 of the single-chip microcomputer IC 2 of model STC12C5602AD, resistance R 6～R8, K switch 2～K3, external trigger interface 3 and 4, model DW8502; Light adjusting circuit is connected and composed as correspondence by the single-chip microcomputer IC 2 of model STC12C5602AD, potentiometer R9, resistance R 10, K switch 2; Drive circuit is connected and composed as correspondence by great power LED drive integrated circult IC3, the resistance R 7～R8 of model DW8502; Wherein the output F of power circuit is connected with the 1st pin of the power input IC1 of booster circuit; The output R1 of power circuit is connected with the 16th pin of the power input IC2 of control circuit and is connected with the power input R9 of light adjusting circuit; The power output end L of booster circuit is connected with the power input D2 of accumulator; The power output end C3-1 of accumulator～C3-N is connected with the 5th pin of the power input IC3 of flasher circuit through the LED lamp; The 3rd pin ground connection of the power output end IC3 of flasher circuit; The 9th pin of the control signal output ends IC2 of control circuit is connected with the signal input end R6 of flasher circuit; The 9th pin of the control signal output ends IC2 of control circuit is connected with the signal input end R10 of light adjusting circuit, and the power output end K2 of light adjusting circuit is connected with the power input R7 of drive circuit, and the 5th pin of the power output end IC3 of drive circuit is connected with the input of the power end of LED lamp.
In the use, when connecting switch K1, power supply is leaded up to K1, F, R1 the 16th pin power supply to IC2; Another road is through the 1st pin input voltage of IC1; Undertaken exporting by the 2nd pin of IC1 after DC-DC boosts by IC1, to capacitor C 3-1～C3-N charging, be the flasher circuit accumulation of energy through L, D2; When outer triggering signal exists or K3 when pressing; The 11st pin input control signal of IC2; Produce of the 9 pin output of a burst pulse control signal by IC2, export control signal through R6, K2 to the 4th pin of IC3 again, by the 5th pin output negative pulse flash control signal of IC3 through IC2; The last electric energy of C3-1～C3-N of big electric capacity discharges through the 5th pin of IC3 through the LED lamp more over the ground, accomplishes the process of once glistening; When adjustment R9 slip pin carries out light modulation; Dim signal is by the 12nd pin of R5 input IC2; Signal by the modulation of the 7th pin output pulse width of IC2; Through the 4th pin of R10, K2 input IC3, export driving power by the 1st pin of IC3 through pulse-width modulation, offer the LED lamp through D2 and be adjusted at work under certain brightness.
Claims (5)
1. LED drive unit with light modulation and flash function; It is characterized in that: comprise that power circuit, booster circuit, accumulator, control circuit, flasher circuit, light adjusting circuit, drive circuit correspondence connect and compose; Wherein the output of power circuit is connected with the power input of booster circuit, control circuit and light adjusting circuit respectively; The power output end of booster circuit is connected with the power input of accumulator; The power output end of accumulator is connected with the power input of flasher circuit through the LDE lamp, the power output end ground connection of flasher circuit, and the control signal output ends of control circuit is connected with the signal input end of flasher circuit and light adjusting circuit respectively; The power output end of light adjusting circuit is connected with the power input of drive circuit, and the power output end of drive circuit is connected with the power end input of LED lamp.
2. by the described LED drive unit of claim 1, it is characterized in that said booster circuit is connected and composed by switch converters, pressurizer and controller IC and the peripheral discrete component correspondence thereof of model LM2598S with light modulation and flash function.
3. by claim 1 or 2 described LED drive units, it is characterized in that said control circuit is connected and composed by single-chip microcomputer integrated circuit and the peripheral discrete component correspondence thereof of model STC12C5602AD with light modulation and flash function.
4. by claim 1 or 2 described LED drive units, it is characterized in that said drive circuit is connected and composed by great power LED drive integrated circult and the peripheral discrete component correspondence thereof of model DW8502 with light modulation and flash function.
5. by claim 1 or 2 described LED drive units, it is characterized in that the energy-storage travelling wave tube of said accumulator adopts electric capacity with light modulation and flash function.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205476764U CN202385356U (en) | 2011-12-24 | 2011-12-24 | Light-emitting diode (LED) driving device with dimming and flashing functions |
| PCT/CN2012/085414 WO2013091466A1 (en) | 2011-12-24 | 2012-11-28 | Led drive device with dimming and flashing functions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205476764U CN202385356U (en) | 2011-12-24 | 2011-12-24 | Light-emitting diode (LED) driving device with dimming and flashing functions |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202385356U true CN202385356U (en) | 2012-08-15 |
Family
ID=46633821
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205476764U Expired - Fee Related CN202385356U (en) | 2011-12-24 | 2011-12-24 | Light-emitting diode (LED) driving device with dimming and flashing functions |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN202385356U (en) |
| WO (1) | WO2013091466A1 (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103108428A (en) * | 2013-01-29 | 2013-05-15 | 宁波金辉摄影器材有限公司 | Energy saving system of photoflood lamp |
| WO2013091466A1 (en) * | 2011-12-24 | 2013-06-27 | Lin Biguang | Led drive device with dimming and flashing functions |
| CN105142280A (en) * | 2015-08-28 | 2015-12-09 | 昂赛微电子（上海）有限公司 | Flash lamp dimming driving current control circuit and control method thereof |
| CN105594305A (en) * | 2014-11-28 | 2016-05-18 | 深圳市品色科技有限公司 | Flash lamp control circuit |
| CN107635311A (en) * | 2017-10-10 | 2018-01-26 | 浙江国自机器人技术有限公司 | The power supply circuit and printed circuit board (PCB) of a kind of LED array |
| CN113365392A (en) * | 2021-08-09 | 2021-09-07 | 深圳市爱图仕影像器材有限公司 | Lighting control circuit, lighting device and lighting control method |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2994139B2 (en) * | 1992-05-21 | 1999-12-27 | 小糸工業株式会社 | LED lighting device for TV camera |
| JP4040358B2 (en) * | 2002-03-15 | 2008-01-30 | シャープ株式会社 | Mobile phone with shooting function |
| CN1606398A (en) * | 2003-10-08 | 2005-04-13 | 英保达股份有限公司 | Automatic regulating flash light circuit |
| CN202385356U (en) * | 2011-12-24 | 2012-08-15 | 林璧光 | Light-emitting diode (LED) driving device with dimming and flashing functions |
-
2011
- 2011-12-24 CN CN2011205476764U patent/CN202385356U/en not_active Expired - Fee Related
-
2012
- 2012-11-28 WO PCT/CN2012/085414 patent/WO2013091466A1/en active Application Filing
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013091466A1 (en) * | 2011-12-24 | 2013-06-27 | Lin Biguang | Led drive device with dimming and flashing functions |
| CN103108428A (en) * | 2013-01-29 | 2013-05-15 | 宁波金辉摄影器材有限公司 | Energy saving system of photoflood lamp |
| GB2547568B (en) * | 2014-11-28 | 2019-12-11 | Shenzhen City Pixel Enterprise Ltd | Flashing lamp control circuit |
| CN105594305A (en) * | 2014-11-28 | 2016-05-18 | 深圳市品色科技有限公司 | Flash lamp control circuit |
| WO2016082165A1 (en) * | 2014-11-28 | 2016-06-02 | 深圳市品色科技有限公司 | Flash lamp control circuit |
| GB2547568A (en) * | 2014-11-28 | 2017-08-23 | Shenzhen City Pixel Entpr Ltd | Flash lamp control circuit |
| CN105594305B (en) * | 2014-11-28 | 2018-02-02 | 深圳市品色科技有限公司 | Flash control circuit |
| CN105142280A (en) * | 2015-08-28 | 2015-12-09 | 昂赛微电子（上海）有限公司 | Flash lamp dimming driving current control circuit and control method thereof |
| CN105142280B (en) * | 2015-08-28 | 2018-03-02 | 昂赛微电子（上海）有限公司 | Flash lamp dims driving current control circuit and control method |
| CN107635311A (en) * | 2017-10-10 | 2018-01-26 | 浙江国自机器人技术有限公司 | The power supply circuit and printed circuit board (PCB) of a kind of LED array |
| CN107635311B (en) * | 2017-10-10 | 2019-06-18 | 浙江国自机器人技术有限公司 | A kind of power supply circuit and printed circuit board of LED array |
| CN113365392A (en) * | 2021-08-09 | 2021-09-07 | 深圳市爱图仕影像器材有限公司 | Lighting control circuit, lighting device and lighting control method |
| WO2023015742A1 (en) * | 2021-08-09 | 2023-02-16 | 深圳市爱图仕影像器材有限公司 | Illumination control circuit, illumination apparatus, and illumination control method |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2013091466A1 (en) | 2013-06-27 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120815 Termination date: 20151224 |
|
| EXPY | Termination of patent right or utility model |