| LED照明的节能控制技术 |
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| 引用本文： | 邓隐北,陈伟. LED照明的节能控制技术[J]. 灯与照明, 2011, 25(4): 45-48 |
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| 作者姓名： | 邓隐北 陈伟 |
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| 作者单位： | 1. 河南森源电气股份有限公司,长葛,461500
2. 中国水利水电第十一工程局有限公司第二分局,郑州,450001 |
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| 摘 要： | 阐述了综合LED特性的照明电源，及其振幅控制和脉宽调制（PWM）两种调光控制技术。为实现低功耗、高效率、小型化等性能优势，电源电路中采用了buck．boost型变换器，用于控制LED电流：PWM中采用高频率照明，以抑制图像的闪烁，改善了照明效果。
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| 关 键 词： | LED 照明电源 振幅控制 PWM 节能 |
Control Technologies of LED Lighting for Saving-energy |
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| Deng Yinbei,Chen Wei. Control Technologies of LED Lighting for Saving-energy[J]. Light & Lighting, 2011, 25(4): 45-48 |
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| Authors: | Deng Yinbei Chen Wei |
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| Affiliation: | Deng Yinbei1,Chen Wei2(1.Henan Senyuan Electric Co.,Ltd,Changge,461500,2.Sinohydro Bureau 11 Co.,Zhengzhou,450001) |
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| Abstract: | The lighting power supply which synthesized LED characteristic and the dimming control technologies covering amplitude control and pulse width modulation(PWM) are introduced in this paper.To realize low power consumption,high efficiency,compact structure atc.performance advantages,the buck-boost converter is used in power supply circuit to control the current of the LED.When high frequency lighting used in the PWM,the image flicker may be suppressed and lighting effect be improved. |
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| Keywords: | LED lighting power supply amplitude control PWM saving-energy |
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