CN201636622U - Digital controllable light alternating-current direct drive integrated LED illuminating lamp - Google Patents
Digital controllable light alternating-current direct drive integrated LED illuminating lamp Download PDFInfo
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- CN201636622U CN201636622U CN2010201519234U CN201020151923U CN201636622U CN 201636622 U CN201636622 U CN 201636622U CN 2010201519234 U CN2010201519234 U CN 2010201519234U CN 201020151923 U CN201020151923 U CN 201020151923U CN 201636622 U CN201636622 U CN 201636622U
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Abstract
The utility model relates to a digital controllable light alternating-current direct drive integrated LED illuminating lamp which comprises a power supply circuit converting alternating current into impulse current, a constant current circuit, a limited current circuit and a plurality of sections of LED lamp strings, wherein the output end of the power supply circuit is connected at two ends of a circuit formed by connecting the constant current circuit, the plurality of sections of the lamp strings and the limited current circuit in series. The illuminating lamp is characterized by also comprising a voltage acquisition circuit, a partial pressure control circuit and an electronic switch circuit, wherein the partial pressure control circuit is internally provided with a microprocessor; the microprocessor analyzes the voltage data of the voltage acquisition circuit, the corresponding electronic switch in the electronic switch circuit can be controlled according to the analysis result so as to realize the control on the on and off of each section of LED lamp string, thus achieving the purpose of coordinating the work of the voltage acquisition circuit, the switch circuit and the constant current circuit, and realizing the intelligent control of the LED illuminating lamp.
Description
Technical field
The utility model relates to circuit design field, particularly relates to a kind of digital controllable light interchange and directly drives the integrated LED illuminating lamp
Background technology
The LED solid light source has advantages such as luminous efficiency height, environmental protection, long-life, be described as the 4th generation lighting source.The luminous efficiency of LED can reach 180lm/W at present.
Because LED has unidirectional conducting, reverse withstand voltage low, the characteristics that need constant current to drive, therefore existing LED lamp all need convert alternating current to direct current by the AC/DC supply convertor and powers, this just need use energy-storage travelling wave tubes such as electric capacity, and the life-span of electric capacity is limited.In addition, owing to need to adopt large volume o components such as electric capacity, transformer, the volume of the required power supply of LED lamp also is difficult for dwindling, and the power factor of power supply and power supply conversion efficiency are also lower.
The utility model content
For solving the deficiencies in the prior art, it is a kind of by the control of microprocessor to drive circuit that the purpose of this utility model is to provide, can realize light source and drive circuit integrated with can provide the digital controllable light that drives with the adaptive constant current of input current to exchange directly to drive the integrated LED illuminating lamp.
For achieving the above object, the utility model is to realize by following technical scheme:
Digital controllable light exchanges and directly drives the integrated LED illuminating lamp, comprise the power supply circuits that alternating current are converted to pulsating current, constant-current circuit, current-limiting circuit and number are greater than 1 multistage LED lamp string, the output of above-mentioned power supply circuits is connected constant-current circuit, the circuit two ends that multistage LED lamp string and current-limiting circuit are in series, it is characterized in that, also comprise voltage collection circuit, pressure control circuit and electronic switching circuit, the two ends of above-mentioned voltage collection circuit are connected two outputs of power supply circuits, above-mentioned pressure control circuit comprises microprocessor, the supply voltage detection port, input voltage detection port and the more than one output that is used to be connected electronic switching circuit, above-mentioned supply voltage detection port links to each other with above-mentioned power supply circuits, and above-mentioned input voltage detection port is connected with above-mentioned voltage collection circuit; Above-mentioned electronic switching circuit comprises more than one electronic switch, above-mentioned electronic switch is double pole triode or FET, double pole triode base stage or fet gate connect the corresponding output of above-mentioned pressure control circuit, the drain electrode of the colelctor electrode of above-mentioned double pole triode or FET is connected on the connection intersection point of adjacent two sections LED lamp strings of series connection, and the emitter stage of above-mentioned double pole triode or the source electrode of FET are connected to the intersection point between above-mentioned multistage LED lamp string and the current-limiting circuit.
Aforesaid digital controllable light exchanges and directly drives the integrated LED illuminating lamp, it is characterized in that, described power supply circuits comprise rectifier bridge, first resistance and voltage-stabiliser tube, described first resistance links to each other with two outputs of rectifier bridge with the two ends of the circuit that the voltage-stabiliser tube series connection forms, and forms the output of above-mentioned power supply circuits; Above-mentioned supply voltage detection port is connected to first resistance of above-mentioned series connection and the intersection point between the voltage-stabiliser tube.
Aforesaid digital controllable light exchanges and directly drives the integrated LED illuminating lamp, it is characterized in that, above-mentioned voltage collection circuit is composed in series by second resistance and the 3rd resistance, and above-mentioned input voltage detection port is connected to intersection point between second resistance of above-mentioned series connection and the 3rd resistance.
The beneficial effects of the utility model are:
1, since circuit described in the utility model all constitute by semiconductor devices and resistance, without any the electric capacity of kind, thus its service life and LED life-span be complementary, can reach more than 50,000 hours, far above the LED driving power of routine.
2, power supply conversion efficiency of the present utility model reaches 97%, is higher than the power supply conversion efficiency of existing led driver about 85%; Its power factor is better than 0.9 ± 0.05 GB draft requirement up to 0.95.
3, the utility model adopts microprocessor as control device, can control the switching voltage of electronic switch than the mode of simple employing electric resistance partial pressure more accurately.
4, the utlity model has automatic switch lamp function and dimming function.
5, the utility model is integrated in one with light source and drive circuit, only needs the logical alternating current of going up just can work.
Description of drawings
Fig. 1 is the utility model circuit structure block diagram.
Fig. 2 is that one of the utility model preferred version LED lamp string number is 3 o'clock electrical equipment connection layouts.
Reference numeral implication among the figure: 1, live wire 2, zero line 3, rectifier bridge 4, first resistance 5, voltage-stabiliser tube 6, second resistance 7, the 3rd resistance 8, microprocessor 9, input voltage detection port 10, supply voltage detection port 11, output (1) 12, output (2) 13, current-limiting circuit 14, electronic switch (1) 15, the 18, the 3rd section LED lamp string of the 17, the 2nd section LED lamp string of the (2) 16, the 1st section LED lamp string of electronic switch
The specific embodiment
Below in conjunction with the drawings and specific embodiments the utility model is done concrete introduction.
Fig. 1 is the utility model circuit structure block diagram.Fig. 2 is that the utility model LED lamp string number is 3 o'clock electrical equipment connection layouts.
With reference to Fig. 1, the utility model comprises power supply circuits, voltage collection circuit, current-limiting circuit, constant-current circuit, pressure control circuit and electronic switching circuit.As shown in Figure 1, multistage LED lamp string, constant-current circuit and current-limiting circuit are together in series and are connected the two ends of power supply circuits; The two ends of voltage collection circuit also are connected to the two ends of power supply circuits; Divide pressure-controlled to link to each other with voltage collection circuit, power supply circuits and electronic switching circuit respectively; Linking to each other with multistage LED lamp string of electronic switching circuit, electronic switching circuit also is connected with the intersection point of multistage LED lamp string and current-limiting circuit.
Below with reference to Fig. 2, to a preferred version of the present utility model, LED lamp string number is a scheme of 3, and the utility model is further described.
Power supply circuits are made up of rectifier bridge 3, first resistance 4 and voltage-stabiliser tube 5, first resistance 4 links to each other with two outputs of rectifier bridge 3 with the two ends of the circuit that voltage-stabiliser tube 5 series connection form, the output of forming above-mentioned power supply circuits, this output are connected to the circuit two ends that constant-current circuit, multistage LED lamp string and current-limiting circuit are in series.Voltage collection circuit is composed in series by second resistance 6 and the 3rd resistance 7, and its two ends are connected two outputs of power supply circuits.Pressure control circuit comprises microprocessor 8, supply voltage detection port 10, input voltage detection port 9 and is used to be connected the output (1) 11 of electronic switching circuit, output (2) 12, above-mentioned supply voltage detection port 10 links to each other with above-mentioned power supply circuits, and above-mentioned input voltage detection port 9 is connected with above-mentioned voltage collection circuit.As a preferred version of the present utility model, above-mentioned supply voltage detection port 10 is connected on the resistance 4 and the intersection point between the voltage-stabiliser tube 5 of connecting in the above-mentioned power supply circuits; Above-mentioned input voltage detection port is connected between the resistance 6 of connecting in the above-mentioned voltage collection circuit and the resistance 7 on the intersection point.
In this preferred version, as shown in Figure 2, whole piece LED lamp string is divided into three sections, be provided with two double pole triodes 14 in the electronic switching circuit, 15 as electronic switch, two double pole triode base stages connect two outputs 11 and 12 of above-mentioned pressure control circuit, the colelctor electrode of the electronic switch (1) 14 of double pole triode be connected first section LED lamp string 16 of series connection and second section LED lamp string 17 between connect on the intersection point, the colelctor electrode of the electronic switch (2) 15 of double pole triode be connected second section LED lamp string 17 of series connection and the 3rd section LED lamp string 18 between connect on the intersection point, the emitter stage of above-mentioned double pole triode electronic switch (1) and electronic switch (2) is connected to the intersection point of above-mentioned multistage LED lamp string and current-limiting circuit 13.
The input of power supply circuits can start to exchange fire line 1 and zero line 2.The 50Hz sine wave alternating current of input is the all-wave of 100Hz by the voltage waveform after rectifier bridge 3 rectifications.Power supply circuits two outputs are added in the circuit two ends that LED lamp string and constant-current circuit are in series, and the operating current of constant-current circuit is smaller or equal to the maximum operating currenbt of LED lamp.Power supply circuits provide power supply for microprocessor 8, and microprocessor detects input voltage by the voltage sample circuit that second resistance 6 and the 3rd resistance 7 constitute, and the setting voltage test point is at 1/3 place and 2/3 place of input rated voltage.When input voltage when rising between 0 to the 1/3 input rated voltage scope, output (1) the 11 output high level of microprocessor 8 control pressure control circuits, electronic switch (1) 14 conducting, only first section LED lamp string 16 conducting work of Jie Ruing; When input voltage rises between 1/3 to the 2/3 input rated voltage scope, microprocessor 8 control output ends (1) 11 output low level, electronic switch (1) 14 turn-offs, microprocessor 8 control output ends (2) 12 output high level, electronic switch (2) 15 conductings insert first section LED lamp string 16 and second section LED lamp string 17 conducting work this moment; After input voltage is higher than 2/3 input rated voltage, microprocessor control output end (1), output (2) output low level, electronic switch (1) 14 and electronic switch (2) 15 complete shut-downs are disconnected, all LED lamp string conducting work; When input voltage drops to 2/3 to 1/3 specified input voltage, microprocessor control output end (2) 12 output high level, electronic switch (2) 15 conductings, only surplus first section LED lamp string 16 and second section LED lamp string 17 conducting work; When input voltage is lower than 1/3 input rated voltage scope, microprocessor control output end (1) 11 output high level, electronic switch (1) 14 conducting only has first section LED lamp string 16 conducting work.This only is a preferred embodiment of the present utility model.
The utility model can also increase the hop count of LED lamp string and the number of electronic switch as required, and is not limited only to this preferred version.
In addition, as another preferred version of the utility model, electronic switch can adopt FET to replace double pole triode.
As a kind of preferred version, voltage-stabiliser tube 5 of the present utility model can adopt the Zener diode of 5V, and the resistance of first resistance 4, second resistance 6 is 820K; The resistance of the 3rd resistance 7 is 82K.
Therefore, use the power supply circuits of present embodiment, rising along with voltage, the segmentation of LED lamp string is lighted, because frequency is more than 100Hz, human eye perceives is less than flicker, circuit just can make full use of alternating current in the mode of piecewise differential like this, after tested, efficient reaches 97%, and power factor can reach more than 95%.
The foregoing description does not limit the utility model in any form, and all employings are equal to the technical scheme that mode obtained of replacement or equivalent transformation, all drop in protection scope of the present invention.
Claims (3)
1. digital controllable light exchanges and directly drives the integrated LED illuminating lamp, comprise the power supply circuits that alternating current are converted to pulsating current, constant-current circuit, current-limiting circuit and number are greater than 1 multistage LED lamp string, the output of above-mentioned power supply circuits is connected constant-current circuit, the circuit two ends that multistage LED lamp string and current-limiting circuit are in series, it is characterized in that, also comprise voltage collection circuit, pressure control circuit and electronic switching circuit, the two ends of above-mentioned voltage collection circuit are connected two outputs of power supply circuits, above-mentioned pressure control circuit comprises microprocessor, the supply voltage detection port, input voltage detection port and the more than one output that is used to be connected electronic switching circuit, above-mentioned supply voltage detection port links to each other with above-mentioned power supply circuits, and above-mentioned input voltage detection port is connected with above-mentioned voltage collection circuit; Above-mentioned electronic switching circuit comprises more than one electronic switch, above-mentioned electronic switch is double pole triode or FET, double pole triode base stage or fet gate connect the corresponding output of above-mentioned pressure control circuit, the colelctor electrode of above-mentioned double pole triode or the drain electrode of FET are connected on the connection intersection point of adjacent two sections LED lamp strings of series connection, and the emitter stage of above-mentioned double pole triode or the source electrode of FET are connected to the intersection point between above-mentioned multistage LED lamp string and the current-limiting circuit.
2. digital controllable light according to claim 1 exchanges and directly drives the integrated LED illuminating lamp, it is characterized in that, described power supply circuits comprise rectifier bridge, first resistance and voltage-stabiliser tube, described first resistance links to each other with two outputs of rectifier bridge with the two ends of the circuit that the voltage-stabiliser tube series connection forms, and forms the output of above-mentioned power supply circuits; Above-mentioned supply voltage detection port is connected to first resistance of above-mentioned series connection and the intersection point between the voltage-stabiliser tube.
3. digital controllable light according to claim 2 exchanges and directly drives the integrated LED illuminating lamp, it is characterized in that, above-mentioned voltage collection circuit is composed in series by second resistance and the 3rd resistance, and above-mentioned input voltage detection port is connected to intersection point between second resistance of above-mentioned series connection and the 3rd resistance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2010201519234U CN201636622U (en) | 2010-04-06 | 2010-04-06 | Digital controllable light alternating-current direct drive integrated LED illuminating lamp |
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| CN2010201519234U CN201636622U (en) | 2010-04-06 | 2010-04-06 | Digital controllable light alternating-current direct drive integrated LED illuminating lamp |
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Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102235608A (en) * | 2010-05-06 | 2011-11-09 | （株）提尔爱 | LED lamp with adjustable illumination intensity based on AC voltage amplitude |
| CN102665353A (en) * | 2012-05-17 | 2012-09-12 | 张从峰 | Double-switch constant-current driver |
| CN102665354A (en) * | 2012-05-17 | 2012-09-12 | 张从峰 | LED (Light-Emitting Diode) driving circuit |
| WO2012139310A1 (en) * | 2011-04-14 | 2012-10-18 | 深圳市华星光电技术有限公司 | Led component and led string using led components |
| CN102905429A (en) * | 2012-09-29 | 2013-01-30 | 福州凡普科技有限公司 | Pulse-driven power circuit of LEDs (light emitting diodes) with equal duty ratio |
| CN103025017A (en) * | 2012-12-14 | 2013-04-03 | 西安吉成光电有限公司 | Light-emitting diode (LED) driving circuit based on parallel switch control |
| CN103220863A (en) * | 2013-04-22 | 2013-07-24 | 俞文英 | Flicker-free method for alternating current driving of light-emitting diodes (LEDs) and device thereof |
| CN103582263A (en) * | 2013-11-14 | 2014-02-12 | 上海莱托思电子科技有限公司 | Linear multi-channel LED constant-current drive circuit |
| WO2014026461A1 (en) * | 2012-08-16 | 2014-02-20 | 欧普照明股份有限公司 | Multi-output led drive system and semiconductor illumination device |
| CN103634991A (en) * | 2013-12-11 | 2014-03-12 | 广东工业大学 | High-voltage integrated alternating-current LED multistage linear drive device |
| CN103634974A (en) * | 2012-08-27 | 2014-03-12 | 海立尔股份有限公司 | LED drive circuit structure with dark area filling function |
| CN103648223A (en) * | 2013-12-24 | 2014-03-19 | 上海岭芯微电子有限公司 | Multi-channel light-emitting diode (LED) linear driver |
| CN104135787A (en) * | 2013-05-02 | 2014-11-05 | 无锡华润华晶微电子有限公司 | Dimmable LED (Light-Emitting Diode) constant-current driving circuit |
| CN104302071A (en) * | 2014-11-11 | 2015-01-21 | 杭州华普永明光电股份有限公司 | High-voltage direct-drive LED (light-emitting diode) illumination system |
| CN104302072A (en) * | 2014-11-11 | 2015-01-21 | 杭州华普永明光电股份有限公司 | Direct-drive LED (Light Emitting Diode) illuminating system controlled by integrated control circuit |
| CN104302074A (en) * | 2014-11-11 | 2015-01-21 | 杭州华普永明光电股份有限公司 | Direct-drive LED (Light Emitting Diode) illuminating system controlled by integrated control circuit |
| CN104320891A (en) * | 2014-11-11 | 2015-01-28 | 杭州华普永明光电股份有限公司 | Direct drive LED lighting system controlled by integrated control circuit |
| CN104456158A (en) * | 2013-09-18 | 2015-03-25 | 刘国秀 | Multifunctional LED dimming lamp |
| CN104968103A (en) * | 2015-06-26 | 2015-10-07 | 易美芯光（北京）科技有限公司 | Resistance current repressing circuit used for LED sectional drive |
| CN110248441A (en) * | 2019-05-22 | 2019-09-17 | 鹰潭阳光照明有限公司 | A kind of intelligent light-controlled linear LED lamp circuit |
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- 2010-04-06 CN CN2010201519234U patent/CN201636622U/en not_active Expired - Fee Related
Cited By (27)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102235608A (en) * | 2010-05-06 | 2011-11-09 | （株）提尔爱 | LED lamp with adjustable illumination intensity based on AC voltage amplitude |
| CN102235608B (en) * | 2010-05-06 | 2013-07-31 | （株）提尔爱 | LED lamp with adjustable illumination intensity based on AC voltage amplitude |
| WO2012139310A1 (en) * | 2011-04-14 | 2012-10-18 | 深圳市华星光电技术有限公司 | Led component and led string using led components |
| US8669710B2 (en) | 2011-04-14 | 2014-03-11 | Shenzhen China Star Optoelectronics Technology Co., Ltd. | LED module and LED light string using the same |
| CN102665353A (en) * | 2012-05-17 | 2012-09-12 | 张从峰 | Double-switch constant-current driver |
| CN102665354A (en) * | 2012-05-17 | 2012-09-12 | 张从峰 | LED (Light-Emitting Diode) driving circuit |
| WO2014026461A1 (en) * | 2012-08-16 | 2014-02-20 | 欧普照明股份有限公司 | Multi-output led drive system and semiconductor illumination device |
| CN103634974A (en) * | 2012-08-27 | 2014-03-12 | 海立尔股份有限公司 | LED drive circuit structure with dark area filling function |
| CN102905429A (en) * | 2012-09-29 | 2013-01-30 | 福州凡普科技有限公司 | Pulse-driven power circuit of LEDs (light emitting diodes) with equal duty ratio |
| CN102905429B (en) * | 2012-09-29 | 2015-04-15 | 福州凡普科技有限公司 | Pulse-driven power circuit of LEDs (light emitting diodes) with equal duty ratio |
| CN103025017A (en) * | 2012-12-14 | 2013-04-03 | 西安吉成光电有限公司 | Light-emitting diode (LED) driving circuit based on parallel switch control |
| CN103025017B (en) * | 2012-12-14 | 2014-11-12 | 西安吉成光电有限公司 | Light-emitting diode (LED) driving circuit based on parallel switch control |
| CN103220863A (en) * | 2013-04-22 | 2013-07-24 | 俞文英 | Flicker-free method for alternating current driving of light-emitting diodes (LEDs) and device thereof |
| CN104135787A (en) * | 2013-05-02 | 2014-11-05 | 无锡华润华晶微电子有限公司 | Dimmable LED (Light-Emitting Diode) constant-current driving circuit |
| CN104135787B (en) * | 2013-05-02 | 2016-08-03 | 无锡华润华晶微电子有限公司 | A kind of constant current driver circuit for LED of tunable optical |
| CN104456158A (en) * | 2013-09-18 | 2015-03-25 | 刘国秀 | Multifunctional LED dimming lamp |
| CN103582263B (en) * | 2013-11-14 | 2015-08-12 | 上海莱托思电子科技有限公司 | A kind of linear multi-channel LED constant-current drive circuit |
| CN103582263A (en) * | 2013-11-14 | 2014-02-12 | 上海莱托思电子科技有限公司 | Linear multi-channel LED constant-current drive circuit |
| CN103634991A (en) * | 2013-12-11 | 2014-03-12 | 广东工业大学 | High-voltage integrated alternating-current LED multistage linear drive device |
| CN103648223A (en) * | 2013-12-24 | 2014-03-19 | 上海岭芯微电子有限公司 | Multi-channel light-emitting diode (LED) linear driver |
| CN104302071A (en) * | 2014-11-11 | 2015-01-21 | 杭州华普永明光电股份有限公司 | High-voltage direct-drive LED (light-emitting diode) illumination system |
| CN104320891A (en) * | 2014-11-11 | 2015-01-28 | 杭州华普永明光电股份有限公司 | Direct drive LED lighting system controlled by integrated control circuit |
| CN104302074A (en) * | 2014-11-11 | 2015-01-21 | 杭州华普永明光电股份有限公司 | Direct-drive LED (Light Emitting Diode) illuminating system controlled by integrated control circuit |
| CN104302072A (en) * | 2014-11-11 | 2015-01-21 | 杭州华普永明光电股份有限公司 | Direct-drive LED (Light Emitting Diode) illuminating system controlled by integrated control circuit |
| CN104968103A (en) * | 2015-06-26 | 2015-10-07 | 易美芯光（北京）科技有限公司 | Resistance current repressing circuit used for LED sectional drive |
| CN110248441A (en) * | 2019-05-22 | 2019-09-17 | 鹰潭阳光照明有限公司 | A kind of intelligent light-controlled linear LED lamp circuit |
| CN110248441B (en) * | 2019-05-22 | 2021-04-20 | 鹰潭阳光照明有限公司 | Intelligent light-operated linear LED lamp circuit |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
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| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Jiangsu Suneng Optoelectronic Technology Co., Ltd. Assignor: Wu Quanhua Contract record no.: 2011320000252 Denomination of utility model: Digital controllable light alternating-current direct drive integrated LED illuminating lamp Granted publication date: 20101117 License type: Exclusive License Record date: 20110314 |
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Date of cancellation: 20131129 Granted publication date: 20101117 |
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Assignee: Jiangsu Suneng Optoelectronic Technology Co., Ltd. Assignor: Wu Quanhua Contract record no.: 2011320000252 Date of cancellation: 20150324 |
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