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CN101621878A - Dimming driving device and method - Google Patents

Dimming driving device and method Download PDF

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Publication number
CN101621878A
CN101621878A CN200810135921A CN200810135921A CN101621878A CN 101621878 A CN101621878 A CN 101621878A CN 200810135921 A CN200810135921 A CN 200810135921A CN 200810135921 A CN200810135921 A CN 200810135921A CN 101621878 A CN101621878 A CN 101621878A
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brightness
driving device
dimming driving
led
dimming
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林焕博
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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

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Abstract

A dimming driving device and method are applied to the lighting environment of a Light Emitting Diode (LED) lamp, under the condition that the existing wiring, the existing lamp or device is not required to be changed, the dimming driving device and an LED driver are matched to operate, and the brightness is changed by calculating the number of times of ON/OFF switching of a switch, so that the LED driver has a dimming function, and the LED lamp is enabled to have the original function and a dimming selection function.

Description

A kind of dimming drive device and method
Technical field
The present invention relates to a kind of dimming drive device and method, relate in particular to a kind of dimming drive device and method that is applied to LED lamp lighting environment.
Background technology
Under the situation of pay attention to day by day environmental protection now, energy transition rate, for illumination,, LED changes luminous energy efficient because having preferable electric energy compared to incandescent lamp bulb, thereby in the application of lamp, the existing trend that replaces incandescent lamp gradually of LED lamp.
At present, the design focal point of the led driver of LED lamp how to be can be when input voltage changes stabilized driving LED and make its brightness constant.Utilize the advantage of this kind method for designing to be: the 1.LED brightness stability, do not make LED produce flicker because of input voltage is unstable, 2. efficient height, and the change of 3.LED colour temperature is low.Yet, its shortcoming is: the LED light modulation partly must add control signal adjusted in addition, and this has its restriction and difficulty on reality is used, reason is existing house distribution, light fixture, dimmer or the like device, can not revise or purchase again for LED does distribution.Thereby, except new product or new distribution,, be difficult to directly replace the lighting device of existing existing dimming function with the dimmer design of present LED.
Present fluorescent lamp lighting because fluorescent tube can't light modulation, can only have bright, two states goes out, and be the selection that reaches different brightness, to utilize the combination of the bright pipe number of different fluorescent tubes to select brightness, only, take this kind method will cause the uneven phenomenon of brightness of illumination, and, this kind compound mode can limit to some extent because of the fluorescent tube number that light fixture can be supported, the combination that causes every kind of light fixture to have will be restricted, and, when fluorescent tube damaged, its brightness is selected will be still less.Therefore, how can be under the situation that need not change existing distribution, existing light fixture or device, driving design in LED uses, can stabilized driving LED and directly replace existing illuminating lamp with the LED lamp, except allowing the LED lamp except that possessing original function, and increase the light modulation selection function, be problem to be solved.
Summary of the invention
Main purpose of the present invention is to be to provide a kind of dimming drive device and method, be applied in the LED lamp lighting environment, under the situation that need not change existing distribution, existing light fixture or device, make led driver have dimming function, and then allow the LED lamp except that possessing original function, and increase the light modulation selection function.
Another purpose of the present invention is to be to provide a kind of dimming drive device and method, be applied in the LED lamp lighting environment, under the situation that need not change existing distribution, existing light fixture or device, dimming drive device cooperates running with led driver, take the number of times of compute switch ON/OFF and change the mode of brightness, make led driver have dimming function, and then make the LED lamp that dimming function be arranged, and provide light modulation to select and can select suitable brightness, reach the purpose of power saving environmental protection.
According to above-described purpose, the invention provides a kind of light modulation driving method, be applied in the LED lamp lighting environment, this light modulation driving method comprises following program:
The dimming drive device counter switch break switching times; And
This dimming drive device is according to the switching times that breaks of this switch, and produces brightness control signal accordingly, and this brightness control signal is sent to led driver, to allow led driver can carry out the lamplight brightness adjustment of LED lamp.
Described dimming drive device comprises power supply toggle count device/brightness controller.
Described dimming drive device is made up of a microprocessing unit and diode, resistance, electric capacity.
Described dimming drive device comprises two digit counters.
Described microprocessing unit is formed by application-specific integrated circuit (ASIC) and/or MCU and/or Glue-Logic Circuit.
The present invention also provides a kind of dimming drive device, is applied in the LED lamp lighting environment, and this dimming drive device comprises:
Power supply toggle count device/brightness controller, this power supply toggle count device/brightness controller counter switch break switching times, and according to the switching times that breaks of this switch, and produce brightness control signal accordingly, and this brightness control signal is sent to led driver, to allow led driver can carry out the lamplight brightness adjustment of LED lamp.
The present invention provides a kind of dimming drive device again, is applied in the LED lamp lighting environment, and this dimming drive device comprises:
A plurality of circuit units, described a plurality of circuit units are diode, resistance and electric capacity; And
One microprocessing unit, this microprocessing unit are used for counting ON/OFF number in the switch of this dimming drive device outside, and when the electric quantity consumption of this electric capacity totally after, all countings are with replacement Reset; This microprocessing unit is sent brightness control signal to led driver, to allow this led driver can control the brightness of LED lamp according to ON/OFF number of this switch of this dimming drive device outside.
Described brightness control signal is analog signal and/or PWM and/or communication interface signal.
The present invention provides a kind of dimming drive device again, is applied to that this dimming drive device comprises in the LED lamp lighting environment:
Two counter circuits that the position is above, the above counter circuit in these two positions is made up of the flip-flop more than two, and the digital signal that described flip-flop more than two is exported is converted to the DC simulation signal; And
One circuit, this circuit be according to this DC simulation voltage of signals position standard, and produce corresponding PWM brightness control signal, and export this PWM brightness control signal to led driver, to allow the brightness of this led driver control LED lamp.
The above counter circuit in described two positions is made up of two digit counters, and this two digit counter is made up of the D flip-flop.Signal
Dimming drive device of the present invention and method comprise following advantage:
1. it is economical to save time, and need not change use habit:
Use existing devices such as existing distribution, light fixture, can use the LED lamp, do not need again distribution or heavily purchase light fixture and cost saving and time, for the user, the LED lamp is another kind of bulb or fluorescent lamp.
2. need not to change existing light fixture equipment and just can increase the brightness selection function, the power saving environmental protection:
Use existing devices such as existing distribution, light fixture, and existing light fixture is not mostly had a light modulation selection function, the dimming drive device of this invention can provide extra lamplight brightness selection function to the LED lamp, selects the brightness that is fit to and allow the user comply with its demand, and reaches the purpose of power saving environmental protection.
Description of drawings
Fig. 1 is a device schematic diagram, in order to the dimming drive device in the explicit declaration embodiment of the invention, cooperates the operation situation of supply unit, led driver and LED lamp;
Fig. 2 is a flow chart, utilizes in the embodiment of the invention dimming drive device to carry out the process step of light modulation driving method in order to explicit declaration;
Fig. 3 is a schematic diagram, in order to the supply unit of dimming drive device in the explicit declaration embodiment of the invention, the operation situation of led driver;
Fig. 4 is a schematic diagram, in order to the framework of dimming drive device in the explicit declaration another embodiment of the present invention;
Fig. 5 is a schematic diagram, in order to dimming drive device in explicit declaration yet another embodiment of the invention framework; And
Fig. 6 is a schematic diagram, in order to the relation of explicit declaration direct current DC analog signal and flip-flop output.
Embodiment
Fig. 1 is a device schematic diagram, in order to explicit declaration dimming drive device of the present invention, cooperates the operation situation of supply unit, led driver and LED lamp.As shown in fig. 1, dimming drive device 1 will cooperate its outside supply unit 5 and led driver 6 to come operate together, to allow led driver 6 driving LED lamp 7 stably, wherein, 6 of led drivers comprise control module 61 and brilliance control module 62.
Supply unit 5 after the rectifying and wave-filtering voltage stabilizing, produces the stable power voltage vcc with the supply voltage Vin that is imported, and power source voltage Vcc is offered dimming drive device 1 and led driver 6.
The brilliance control module 62 of led driver 6 is sent to brilliance control module 62 as the usefulness of brightness adjustment with pulse width modulation PWM (Duty size) or direct current DC (voltage height) signal, can adjust the brightness size.The control module 61 of led driver 6 reaches LED lamp 7 with voltage Vout, enables driving LED lamp 7 stably.
In Fig. 1, SW1 is existing lamp switch, that is, SW1 can be on the wall switch or desk lamp switch or the like.After SW1 disconnected (Turn-Off), dimming drive device 1 can utilize remaining capacity to work on a period of time, and time length designs on demand; If at this moment, SW1 has unlatching (Turn-On) again, then dimming drive device 1 count enable SW1's breaks switching times (Count the number of PowerOn/Off times), the number of times that switches (On/Off) according to SW1 is sent different brightness control signals (Brightness Control Signal) 11 to led driver 6, to reach the brilliance control purpose of LED lamp 7.
Fig. 2 is a flow chart, and the dimming drive device that utilizes the present invention in order to explicit declaration is to carry out the process step of light modulation driving method.At first, in step 101, dimming drive device 1 count enable SW1 breaks switching times (Count the number of Power On/Off times), and enters step 102.
In step 102, dimming drive device 1 switches the number of times of (On/Off) according to SW1, and produce brightness control signal (Brightness Control Signal) 11 accordingly, and brightness control signal 11 is sent to led driver 6, to allow led driver 6 can carry out the lamplight brightness adjustment of LED lamp 7.
Fig. 3 is a schematic diagram, in order to the operation situation of an embodiment of explicit declaration the present invention's dimming drive device and supply unit, led driver.As shown in Figure 3 it, dimming drive device 1 cooperates running with supply unit 5, led driver 6, wherein, dimming drive device 1 comprises a power supply and switches (on/off) counter/brightness controller 2, and led driver 6 comprises control module 61 and brilliance control module 62 is the LED drive unit of tunable optical.
Supply unit 5 after the rectifying and wave-filtering voltage stabilizing, produces the stable power voltage vcc with the supply voltage Vin that is imported, and power source voltage Vcc is offered dimming drive device 1 and led driver 6.
The brilliance control module 62 of led driver 6 is the brightness adjusting module, and pulse width modulation PWM (Duty size) or direct current DC (voltage height) signal are sent to brilliance control module 62, can adjust the brightness size.The control module 61 of led driver 6 reaches LED lamp 7 with voltage Vout, enables driving LED lamp 7 stably.
In Fig. 3, SW1 is existing lamp switch, that is, SW1 can be on the wall switch or desk lamp switch or the like.After SW1 disconnected (Turn-Off), dimming drive device 1 can utilize remaining capacity to work on a period of time, and time length designs on demand; If at this moment, SW1 has unlatching (Turn-On) again, then dimming drive device 1 count enable SW1's breaks switching times (Count the number of PowerOn/Off times), the number of times that switches (On/Off) according to SW1 is sent different brightness control signals (Brightness Control Signal) 11 to led driver 6, to reach the brilliance control purpose of LED lamp 7.
Fig. 4 is a schematic diagram, in order to the framework of explicit declaration another kind of dimming drive device of the present invention.As shown in Figure 4, dimming drive device 1 is made up of a microprocessing unit 3 and diode, resistance, electric capacity.
It is when disconnecting OFF, keep dimming drive device 1 still can work a set time, and diode D1 can prevent from that capacitor C 2 electric weight from being consumed by other electronic building brick that capacitor C 2 is responsible at SW1.
The ON/OFF of SW1 control AC power supplies voltage Vin; When ON, voltage Vin is through diode D2, and resistance R 1, R2 reach capacitor C 1 and do the rectifying and wave-filtering dividing potential drop, and take out Von-off as reference signal; During SW1 ON, Von-off is the High high state; And during SW1 OFF, Von-off then is the low state of Low.
Microprocessing unit 3 is by application-specific integrated circuit (ASIC) or MCU or Glue-Logic Circuit (Digital, Analog, or Mix Mode circuit is formed) form, be used for counting ON/OFF the number of SW1, and when capacitor C 2 electric quantity consumptions totally after, all countings are with replacement Reset; Microprocessing unit 3 is according to ON/OFF number, send brightness control signal 11 to led driver 6, to allow led driver 6 can control the brightness of LED lamp 7, at this, this brightness control signal 11 may be Analog signal or PWM or communication interface signal or the like, decides according to the circuit design demand.
Fig. 5 is a schematic diagram, in order to the framework of an embodiment again of explicit declaration dimming drive device of the present invention.As shown in Figure 5, dimming drive device 1 comprises counter circuit 41 and circuit 42, and wherein, counter circuit 41 can be the above counter circuit in two positions, and at this, for example, counter circuit 41 is two digit counter circuit.
Counter circuit 41 (two digit counter circuit) contains two (2bits) counters (Counter) of being formed with D flip-flop (D Flip-Flop) and/or JK flip-flop and/or T flip-flop, at this, for example, counter circuit 41 (two digit counter circuit) is formed with D flip-flop (D Flip-Flop), wherein, D1 is highest significant position MSB, and D0 is least significant bit LSB; Two digital analog converters (2bits DAC (Digital to Analog Converter)) more than the position being formed via resistance R 3/R4, and the digital signal that D0 and/or D1 exported is converted to direct current DC analog signal Vref43 as shown in Figure 6.In the corresponding voltage relation that shown in Fig. 6 is direct current DC analog signal Vref43.
Circuit 42 is according to direct current DC analog signal Vref43 voltage level, and produces corresponding brightness control signal 44, and exports brightness control signal 44 to led driver 6, and mat reaches the brilliance control purpose of LED lamp 7.
Fig. 6 is a schematic diagram, in order to the relation of explicit declaration direct current DC analog signal and flip-flop output.As shown in Figure 6, at this, direct current DC analog signal Vref43 represents with Vref, and D1 is 0, D0 is 0 o'clock, Vref (direct current DC analog signal Vref43)=0V; D1 is 0, D0 is 1 o'clock, Vref=1/3Vcc; D1 is 1, D0 is 0 o'clock, Vref=2/3Vcc; And D1 is 1, D0 is 1 o'clock, Vref=Vcc.
The embodiment of the above dimming drive device of the present invention can be applicable to LED lamp lighting environment: for example: desk lamp, hotel bedside lamp, decorative lamp, projecting lamp, general lightings such as commercialization and family expenses or the like.In above described embodiment is that in the multiple method for designing some are implemented example, and other that do not enumerate kind of method for designing is also used the design principle that is same as, is similar to dimming drive device of the present invention, therefore, does not repeat them here.
Comprehensive above embodiment, we can obtain a kind of dimming drive device of the present invention and method, be applied in the LED lamp lighting environment, under the situation that need not change existing distribution, existing light fixture or device, dimming drive device of the present invention cooperates running with led driver, take the number of times of compute switch ON/OFF and change the mode of brightness, makes led driver have dimming function, and then allow the LED lamp except that possessing original function, and increase the light modulation selection function.
The above is preferred embodiment of the present invention only, is not in order to limit scope of the present invention; All other do not break away from the equivalence of being finished under the disclosed spirit and changes or modification, all should be included in the following claim.

Claims (10)

1.一种调光驱动方法，应用于发光二极管LED灯照明环境中，其特征在于，该调光驱动方法包含以下程序：1. A dimming driving method, which is applied in light-emitting diode (LED) lighting environment, is characterized in that, the dimming driving method comprises the following procedures: 调光驱动装置计数开关的启断切换次数；以及The dimming drive counts the number of on-off switching of the switch; and 该调光驱动装置依据该开关的启断切换次数，而相对应地产生出亮度控制信号，并将该亮度控制信号传送至LED驱动器，以让LED驱动器可进行LED灯的灯光亮度调整。The dimming driving device generates a brightness control signal correspondingly according to the switching times of the switch, and transmits the brightness control signal to the LED driver, so that the LED driver can adjust the brightness of the LED lamp. 2.如权利要求1所述的调光驱动方法，其特征在于，所述调光驱动装置包含电源切换计数器/亮度控制器。2. The dimming driving method according to claim 1, wherein the dimming driving device comprises a power switching counter/brightness controller. 3.如权利要求1所述的调光驱动方法，其特征在于，该调光驱动装置由一微处理单元、以及二极管、电阻、电容所组成。3. The dimming driving method according to claim 1, wherein the dimming driving device is composed of a micro-processing unit, diodes, resistors, and capacitors. 4.如权利要求1所述之该调光驱动方法，其特征在于，该调光驱动装置包含二位计数器。4. The dimming driving method according to claim 1, wherein the dimming driving device comprises a two-bit counter. 5.如权利要求3所述之该调光驱动方法，其特征在于，该微处理单元为专用IC(ASIC)及/或MCU及/或Glue-Logic Circuit所组成。5. The dimming driving method according to claim 3, wherein the micro-processing unit is composed of a dedicated IC (ASIC) and/or MCU and/or Glue-Logic Circuit. 6.一种调光驱动装置，应用于发光二极管LED灯照明环境中，其特征在于，该调光驱动装置包含：6. A light-adjusting driving device, which is applied in the lighting environment of light-emitting diodes and LED lights, is characterized in that the light-adjusting driving device comprises: 电源切换计数器/亮度控制器，该电源切换计数器/亮度控制器计数开关的启断切换次数，并依据该开关的启断切换次数，而相对应地产生出亮度控制信号，并将该亮度控制信号传送至LED驱动器，以让LED驱动器可进行LED灯的灯光亮度调整。Power supply switching counter/brightness controller, the power switching counter/brightness controller counts the number of on-off switching of the switch, and generates a brightness control signal correspondingly according to the number of on-off switching of the switch, and transmits the brightness control signal To the LED driver, so that the LED driver can adjust the light brightness of the LED lamp. 7.一种调光驱动装置，应用于发光二极管LED灯照明环境中，其特征在于，该调光驱动装置包含：7. A dimming driving device, which is applied in the lighting environment of light-emitting diodes and LED lights, is characterized in that the dimming driving device comprises: 多个电路组件，所述多个电路组件为二极管、电阻、以及电容；以及a plurality of circuit components, the plurality of circuit components being diodes, resistors, and capacitors; and 一微处理单元，该微处理单元用来计数于该调光驱动装置外部的开关的ON/OFF次数，而当该电容的电量消耗殆尽后，所有计数将重置Reset；该微处理单元依该调光驱动装置外部的该开关的ON/OFF次数，送出亮度控制信号至LED驱动器，以让该LED驱动器能控制LED灯的亮度。A micro-processing unit, the micro-processing unit is used to count the number of ON/OFF times of the switch outside the dimming drive device, and when the power of the capacitor is exhausted, all counts will be reset; the micro-processing unit depends on The number of ON/OFF of the switch outside the dimming driving device sends a brightness control signal to the LED driver, so that the LED driver can control the brightness of the LED lamp. 8.如权利要求7项所述之该调光驱动装置，其特征在于，所述亮度控制信号为模拟信号及/或PWM及/或通信接口信号。8. The dimming driving device according to claim 7, wherein the brightness control signal is an analog signal and/or a PWM and/or a communication interface signal. 9.一种调光驱动装置，应用于发光二极管LED灯照明环境中，其特征在于，该调光驱动装置包含：9. A dimming driving device, which is applied in the lighting environment of light-emitting diodes and LED lights, is characterized in that the dimming driving device comprises: 二个位以上的计数器电路，该二个位以上的计数器电路由二个以上的正反器所组成，并将所述二个以上的正反器所输出之数字信号转换为直流模拟信号；以及A counter circuit with more than two bits, the counter circuit with more than two bits is composed of two or more flip-flops, and converts the digital signals output by the two or more flip-flops into DC analog signals; and 一电路，该电路依据该直流模拟信号的电压位准，而产生出相对应的PWM亮度控制信号，并将该PWM亮度控制信号输出至LED驱动器，以让该LED驱动器控制LED灯的亮度。A circuit, which generates a corresponding PWM brightness control signal according to the voltage level of the DC analog signal, and outputs the PWM brightness control signal to the LED driver, so that the LED driver can control the brightness of the LED lamp. 10.如权利要求9所述的调光驱动装置，其特征在于，该二个位以上的计数器电路由二位计数器所组成，该二位计数器由D正反器所组成。10 . The dimming driving device according to claim 9 , wherein the counter circuit with more than two bits is composed of a 2-bit counter, and the 2-bit counter is composed of D flip-flops. 11 .
CN200810135921A 2008-07-03 2008-07-03 Dimming driving device and method Pending CN101621878A (en)

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CN101815383A (en) * 2010-03-31 2010-08-25 许波 LED dimming driving device and dimming LED lamp
CN101835316A (en) * 2010-05-21 2010-09-15 冯林 A dimming driving method, device and dimming lamp
CN102098854A (en) * 2010-05-20 2011-06-15 冯林 Dimming driving method and device and dimming lamp
CN102316646A (en) * 2011-09-13 2012-01-11 覃志敏 LED dimming method
CN102360237A (en) * 2011-08-19 2012-02-22 蔡朝进 Switching power adjustment device
WO2012055324A1 (en) * 2010-10-27 2012-05-03 漳州灿坤实业有限公司 Switch dimmable led lamp
CN102469660A (en) * 2010-11-17 2012-05-23 广闳科技股份有限公司 Method for adjusting brightness and rotating speed
CN102685975A (en) * 2011-03-07 2012-09-19 凹凸电子（武汉）有限公司 Controllers, systems and methods for controlling dimming of light sources
CN102843813A (en) * 2011-06-23 2012-12-26 邓忠民 Control device for regulating the light source
CN102869157A (en) * 2012-09-06 2013-01-09 安顺市安银科技有限公司 Method for setting color of LED (light-emitting diode) lamp by on-off encoding of power supply switch
CN102869156A (en) * 2012-09-06 2013-01-09 安顺市安银科技有限公司 Method for setting brightness of LED lamp by using on-off coding of power switch
CN102984856A (en) * 2010-05-21 2013-03-20 冯林 Dimming lamp
CN103269538A (en) * 2010-06-03 2013-08-28 建准电机工业股份有限公司 Control module with power supply detection function and the lamps it constitutes
CN103563488A (en) * 2011-04-14 2014-02-05 岭南大学校产学协力团 Controller of an AC-DC converter for led lighting
CN104411061A (en) * 2014-11-28 2015-03-11 深圳市明微电子股份有限公司 Driving device, lamp and driving method
WO2015039561A1 (en) * 2013-09-18 2015-03-26 Zhejiang Shenghui Lighting Co., Ltd Led driving and dimming circuit and configuration method
EP2846612A4 (en) * 2012-04-25 2016-02-24 Seoul Semiconductor Co Ltd Led dimmer, led lighting device comprising same, and method for controlling dimming of led lighting device
CN105474757A (en) * 2013-08-01 2016-04-06 张峰铭 Lighting control method and device
CN105511428A (en) * 2015-11-30 2016-04-20 广州昂宝电子有限公司 Method for implementing real-time change of state of intelligent equipment, and intelligent equipment
CN108156690A (en) * 2016-12-06 2018-06-12 赤多尼科两合股份有限公司 A kind of LED light-dimming methods and system based on ambient brightness
TWI628975B (en) * 2017-05-27 2018-07-01 李玉麟 Drive System
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CN101815383A (en) * 2010-03-31 2010-08-25 许波 LED dimming driving device and dimming LED lamp
CN101815383B (en) * 2010-03-31 2013-11-06 许波 LED dimming driving device and dimming LED lamp
CN103052242A (en) * 2010-05-20 2013-04-17 冯林 Dimming lamp
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Application publication date: 20100106