發明
中華民國
101139569
I 478135
LED抗光衰保護系統
國立雲林科技大學
2015/03/21
一種LED抗光衰保護系統,其中:該LED處裝設有感光元件與溫感元件,並由感光元件與溫感元件連接至微處理器,該微處理器是利用感光元件取得LED之亮度訊號,透過微處理器控制LED之亮度維持於亮度飽和的上限,而該亮度飽和為LED最大輸出功率的60%至80%之間,又該溫感元件感測LED溫度高於臨界溫度時,使微處理器調整LED亮度至亮度飽和的下限;LED亮度衰減至亮度飽和下限且LED溫度低於臨界溫度時,藉由微處理器控制增加LED亮度,藉此提高LED之使用效率,俾以達到抗光衰之保護效果。 A kind of LED resists and declines and protects the system all, among them: This LED installs sensitization component and warm sense component, and is connected to the microprocessor by sensitization component and warm sense component, this microprocessor is to utilize the sensitization component to make the luminance signal of LED, controls the luminance of LED to maintain the upper limit in the luminance saturation through the microprocessor, and the saturation of this luminance is LED greatest output power between 60% and 80%, and when component of this warm sense detects LED temperature and is higher than the critical temperature, make the microprocessor adjust the lower limit that LED luminance saturates to the luminance.
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