WO2019084939A1 - Stepless color temperature and brightness adjustment led light system and control method therefor - Google Patents
Stepless color temperature and brightness adjustment led light system and control method therefor Download PDFInfo
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- WO2019084939A1 WO2019084939A1 PCT/CN2017/109436 CN2017109436W WO2019084939A1 WO 2019084939 A1 WO2019084939 A1 WO 2019084939A1 CN 2017109436 W CN2017109436 W CN 2017109436W WO 2019084939 A1 WO2019084939 A1 WO 2019084939A1
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- control unit
- color temperature
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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]
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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]
- H05B45/20—Controlling the colour of the light
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- the invention relates to the technical field of an LED light source circuit, in particular to an LED lamp system with stepless color temperature and brightness adjustment and a control method thereof.
- LED lighting As a new type of lighting tool, LED lighting has the advantages of high luminous efficiency, long life and environmental protection, so it is increasingly used in various lighting fields.
- the traditional LED lights mainly have the following lighting problems: 1) only one color temperature or brightness can be emitted, and the function is single; 2) the color temperature and brightness are adjusted by the dual-source color mixing mode through the complicated control circuit, and the color temperature adjustment has limitations.
- the color temperature value changes according to the change of the brightness. It is impossible to realize a function that the color temperature can be presented at any brightness or multiple color temperatures can be displayed at any brightness. 3)
- the state of the LED light before the shutdown can not be memorized. After turning on, the color temperature is adjusted again. In actual life, people often do not need to adjust the color temperature frequently. They only need to adjust the color temperature at a specific time to ensure the adjustment of the light atmosphere while ensuring daily life.
- the object of the present invention is to overcome the deficiencies of the prior art, and to provide an LED lamp system with stepless color temperature and brightness adjustment and a control method thereof.
- the invention provides a stepless color temperature and brightness adjustment LED lamp system, comprising at least two sets of LED lamp sets having different high and low color temperature values, and further comprising: an adjustment conversion module: and a pre-
- the external power supply is connected, the alternating current input from the external power supply is converted and outputted to the chopping alternating current, and the chopper alternating current is processed to output a corresponding electrical signal, wherein the chopping alternating current output value is adjustable;
- the module includes: a control unit, a timing unit and a storage unit, wherein the control unit is configured to receive an electrical signal output by the adjustment conversion module and respectively drive the plurality of groups of LED light groups according to the electrical signal to perform corresponding actions; the timing unit slave control unit The accumulative timing is started when the electric signal is received, and the timing is stopped until the accumulated time value reaches the preset value, wherein during the accumulated timing, the control unit converts the received electrical signal into a corresponding driving signal to adjust the plurality of groups in real time.
- the LED lamp group works to make the corresponding color temperature value by color mixing; when the accumulated time value reaches the preset value, The unit transmits the duty value of the plurality of groups of LED lamps to the storage unit for covering and storing; after the timing unit stops counting, the control unit sequentially performs the duty value stored in the storage unit according to the received electrical signal to each The LED light group outputs a corresponding drive signal to adjust the brightness of the LED light group and maintain a constant color temperature value.
- processing module is further configured to be electrically connected to the control unit, wherein the detecting unit is configured to detect a real-time working state of the control unit, where the working state of the control unit includes a closed state, a dimming state, Constant state.
- a method for controlling a stepless color temperature and brightness adjustment LED lamp system comprises the following steps:
- the adjustment conversion module converts the alternating current input from the external power supply to output the chopping alternating current, wherein the size of the output chopping alternating current is manually adjusted, and the output chopping alternating current is transmitted to the processing module through the rectified output corresponding electric signal.
- the processing module detects whether a duty value is stored in the storage unit;
- the timing unit starts accumulating timing from the receipt of the electrical signal by the control unit, wherein during the accumulated timing, the control unit changes in real time according to the received electrical signal.
- the plurality of sets of LED light groups output corresponding driving signals to adjust the operation of the plurality of sets of LED light groups, so that the color temperature values are obtained by mixing colors;
- the control unit converts the received electrical signal into a corresponding driving signal and outputs the corresponding driving signal to each LED light group, and the timing unit is controlled from the control unit.
- the accumulated timing is started.
- the control unit outputs a corresponding driving signal to the plurality of groups of LED lamps in real time, so that the color is mixed to obtain a corresponding color temperature value;
- the detecting unit 24 is activated to cause the processing module 2 to be completely powered off, that is, when the detecting unit 24 is not activated, the LED light group 3 will never turn the LED light. Group 3 performs a shutdown operation to ensure normal use of the LED lamp set 3 at low currents.
- a method for controlling a stepless color temperature and brightness adjustment LED lamp system comprises the following steps:
- the adjustment conversion module (1) converts the alternating current input from the external power supply to the output chopping alternating current, wherein the size of the output chopping alternating current is manually adjusted, and the output chopping alternating current is rectified and outputted by the corresponding electric signal.
- the processing module (2) detects whether a duty value is stored in the storage unit (23).
- the timing unit (22) starts accumulating timing from the receipt of the electrical signal by the control unit (21), wherein during the accumulated timing, the control unit ( 21) Output corresponding driving signals to the plurality of groups of LED lamp groups (3) in real time according to the received electrical signal changes to adjust the operation of the plurality of groups of LED lamp groups (3) to obtain corresponding color temperature values by color mixing.
- the control unit (21) converts the received electrical signal into a corresponding driving signal with the stored duty value to output to each LED light group ( 3), and the timing unit (22) starts accumulating timing from when the control unit (21) receives the electric signal, and during the accumulated timing, when the electric signal received by the control unit (21) does not change, the plurality of sets of LED lights are caused. Group (3) maintains a constant color temperature value. Conversely, when the electrical signal received by the control unit (21) changes, the control unit (21) outputs corresponding driving signals to the plurality of sets of LED light groups (3) in real time, so that The color mixture gets the corresponding color temperature value.
- the timing unit (22) stops counting and the control unit (21) transmits the duty value of the plurality of groups of LED light groups (3) to the storage unit (23) for overwriting and storing;
- the control unit (21) converts the received electrical signal into a corresponding driving signal by using the duty value to output to each LED lamp group (3), thereby realizing brightness adjustment of the plurality of LED lamp groups (3). Maintain a constant color temperature value.
- the external power supply when multiple sets of LED lamp sets (3) are required to stop working, the external power supply is turned off. Off, the LED light group (3) stops working; when the switch of the external power supply unit is turned on next time, the multiple sets of LED light groups (3) still maintain the color temperature value before the power is turned off.
- the detecting unit (24) detects the working state of the control unit (21) in real time.
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Abstract
Description
Claims (6)
- 一种无级色温及亮度调节的LED灯***,包括有至少两组具有不同高低色温值的LED灯组(3),其特征在于:还包括有:A stepless color temperature and brightness adjustment LED lamp system comprises at least two sets of LED lamp sets (3) having different high and low color temperature values, characterized in that:一调节转换模块(1):与预设有的外部供电电源相连接,将由外部供电电源输入的交流电转换输出斩波交流电,并且将斩波交流电经处理后输出相对应电信号,其中,该斩波交流电输出值大小可调;An adjustment conversion module (1) is connected with a pre-configured external power supply, converts the alternating current input by the external power supply to output chopping alternating current, and outputs the corresponding alternating electric signal after the chopper alternating current is processed, wherein the The wave AC output value is adjustable;一处理模块(2):包括控制单元(21)、计时单元(22)和存储单元(23),所述控制单元(21)用于接收由调节转换模块(1)输出的电信号并根据电信号分别驱动多组LED灯组(3)进行相应的动作;所述计时单元(22)从控制单元(21)在接收到电信号起开始累计计时,直至累计时间值达到预设值时停止计时,其中,a processing module (2) comprising: a control unit (21), a timing unit (22) and a storage unit (23) for receiving an electrical signal output by the adjustment conversion module (1) and The signals respectively drive the plurality of groups of LED lamps (3) to perform corresponding actions; the timing unit (22) starts accumulating timing from the control unit (21) after receiving the electrical signal, and stops counting until the accumulated time value reaches a preset value. ,among them,在累计计时期间,控制单元(21)将所接收到的电信号转换成相对应的驱动信号实时调节多组的LED灯组(3)工作,使之经混色得到相应的色温值;During the accumulated timing, the control unit (21) converts the received electrical signal into a corresponding driving signal to adjust the operation of the plurality of sets of LED light groups (3) in real time, and obtains corresponding color temperature values by color mixing;待累计时间值达到预设值时,控制单元(21)将此刻多组LED灯组(3)的占空比值传输至存储单元(23)内覆盖储存;When the accumulated time value reaches the preset value, the control unit (21) transmits the duty ratio value of the plurality of groups of LED lamp groups (3) to the storage unit (23) for overwriting and storing;在计时单元(22)停止计时后,控制单元(21)根据所接收到电信号按储存于存储单元(23)内的占空比值实时分别向各LED灯组(3)输出相应的驱动信号,以对LED灯组(3)的亮度进行调节且保持恒定的色温值。After the timing unit (22) stops counting, the control unit (21) outputs corresponding driving signals to the LED lamp groups (3) in real time according to the received duty value according to the duty value stored in the storage unit (23). The brightness of the LED lamp group (3) is adjusted and a constant color temperature value is maintained.
- 根据权利要求1所述的一种无级色温及亮度调节的LED灯***,其特征在于:所述外部供电电源断电重启且存储单元(23)内储存有占空比值时,所述控制单元(21)按储存于存储单元(23)内的占空比值分别向各LED灯组(3)输出相应的驱动信号。The LED lamp system of claim 1 , wherein the control unit is (21) The respective drive signals are respectively output to the respective LED lamp groups (3) according to the duty value stored in the storage unit (23).
- 根据权利要求1或2所述的一种无级色温及亮度调节的LED灯***,其特征在于:所述处理模块(2)还设有与控制单元(21)相电性连接的检测单元(24),其中,所述检测单元(24)用于检测控制单元(21)实时工作状态,其中,控制单元(21)的工作状态包括有关闭状态、调光状态、恒定状态。The LED lamp system of the stepless color temperature and brightness adjustment according to claim 1 or 2, wherein the processing module (2) further comprises a detecting unit electrically connected to the control unit (21) ( 24), wherein the detecting unit (24) is configured to detect a real-time working state of the control unit (21), wherein the working state of the control unit (21) includes a closed state, a dimming state, and a constant state.
- 一种权利要求1至3任意一项所述的一种无级色温及亮度调节的LED灯***的控制方法,其特征在于:包括有以下步骤:A method for controlling a stepless color temperature and brightness adjusted LED lamp system according to any one of claims 1 to 3, characterized in that it comprises the following steps:S1.接通外部供电电源的开关以使调节转换模块和处理模块启动;S1. Turn on the switch of the external power supply to activate the adjustment conversion module and the processing module;S2.调节转换模块(1)将由外部供电电源输入的交流电转换输出斩波交流电,其中,通过手动对输出的斩波交流电的大小进行调节,并且将输出的斩波交流电经整流输出相应电信号传输至处理模块(2),与此同时,处理模块(2)检测存储单元(23)内是否储存有占空比值; S2. The adjustment conversion module (1) converts the alternating current input from the external power supply to the output chopping alternating current, wherein the size of the output chopping alternating current is manually adjusted, and the output chopping alternating current is rectified and outputted by the corresponding electric signal. To the processing module (2), at the same time, the processing module (2) detects whether a duty value is stored in the storage unit (23);S3.若未检测到存储单元(23)内有相关的占空比值,则计时单元(22)从控制单元(21)接收到电信号起开始累计计时,其中,在累计计时期间,控制单元(21)根据所接收到的电信号变化实时向多组LED灯组(3)输出相应的驱动信号以调节多组LED灯组(3)工作,使之经混色得到相应的色温值;S3. If the relevant duty ratio value is not detected in the storage unit (23), the timing unit (22) starts accumulating timing from the receipt of the electrical signal by the control unit (21), wherein during the accumulated timing, the control unit ( 21) output corresponding driving signals to the plurality of groups of LED lamp groups (3) in real time according to the received electrical signal changes to adjust the operation of the plurality of groups of LED lamp groups (3) to obtain corresponding color temperature values by color mixing;若检测到存储单元(23)内有相关的占空比值,则控制单元(21)以存储有的占空比值将所接收到的电信号转换成相应的驱动信号分别输出至各LED灯组(3),并且计时单元(22)从控制单元(21)接收到电信号起开始累计计时,在累计计时期间,当控制单元(21)所接收到的电信号无变化,则使多组LED灯组(3)保持恒定的色温值,反之,当控制单元(21)所接收到的电信号有变化,则控制单元(21)实时向多组LED灯组(3)输出相应的驱动信号,使之混色得到相应的色温值;If it is detected that there is an associated duty ratio value in the storage unit (23), the control unit (21) converts the received electrical signal into a corresponding driving signal with the stored duty value to output to each LED light group ( 3), and the timing unit (22) starts accumulating timing from when the control unit (21) receives the electric signal, and during the accumulated timing, when the electric signal received by the control unit (21) does not change, the plurality of sets of LED lights are caused. Group (3) maintains a constant color temperature value. Conversely, when the electrical signal received by the control unit (21) changes, the control unit (21) outputs corresponding driving signals to the plurality of sets of LED light groups (3) in real time, so that The color mixture obtains a corresponding color temperature value;S4.待累积时间值达到预设值时,计时单元(22)停止计时且控制单元(21)将此刻多组LED灯组(3)的占空比值传输至存储单元(23)内覆盖储存;停止计时之后,控制单元(21)以此占空比值将所接收到的电信号转换成相应的驱动信号分别输出至各LED灯组(3),实现多组LED灯组(3)亮度调节且保持恒定的色温值。S4. When the accumulated time value reaches the preset value, the timing unit (22) stops counting and the control unit (21) transmits the duty value of the plurality of groups of LED light groups (3) to the storage unit (23) for overwriting and storing; After the timer is stopped, the control unit (21) converts the received electrical signal into a corresponding driving signal by using the duty value to output to each LED lamp group (3), thereby realizing brightness adjustment of the plurality of LED lamp groups (3). Maintain a constant color temperature value.
- 根据权利要求5所述的一种无级色温及亮度调节的LED灯***的控制方法,其特征在于:当需要多组LED灯组(3)停止工作时,则断开外部供电电源的开关,使各LED灯组(3)停止工作;待下一次接通外部供电单元的开关时,多组LED灯组(3)依旧保持断电前的色温值。The method for controlling a stepless color temperature and brightness adjustment LED lamp system according to claim 5, wherein when a plurality of sets of LED lamp groups (3) are required to stop working, the external power supply switch is turned off. The LED lamp group (3) is stopped. When the switch of the external power supply unit is turned on next time, the plurality of LED lamp groups (3) still maintain the color temperature value before the power is turned off.
- 根据权利要求4或5所述的一种无级色温及亮度调节的LED灯***的控制方法,其特征在于:所述检测单元(24)实时检测控制单元(21)所处的工作状态。 The method for controlling a stepless color temperature and brightness adjusted LED lamp system according to claim 4 or 5, characterized in that the detecting unit (24) detects the working state of the control unit (21) in real time.
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CN106604448A (en) * | 2016-11-24 | 2017-04-26 | 江西美的贵雅照明有限公司 | Light-modulation and color-modulation control circuit and LED illumination product |
CN107846749A (en) * | 2017-11-04 | 2018-03-27 | 肖志蓝 | A kind of LED lamp system and its control method of stepless colour temperature and brightness regulation |
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Patent Citations (5)
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JP2009158495A (en) * | 2009-04-14 | 2009-07-16 | Eye Lighting Syst Corp | Discharge lamp lighting device |
CN201937885U (en) * | 2010-09-17 | 2011-08-17 | 英飞特电子(杭州)有限公司 | Three-line dimmer |
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