会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 38. 发明公开
    • ALTERNATING CURRENT RECTIFYING CIRCUIT AND ALTERNATING CURRENT RECTIFYING METHOD FOR DRIVING LED MODULE
    • 交流电流修正电路和交流电流修复方法驱动LED模块
    • EP2953430A1
    • 2015-12-09
    • EP13873547.7
    • 2013-12-24
    • Sichuan Sunfor Light Co., Ltd.
    • LI, DongmingFENG, ZhengyongLONG, WentaoYANG, Mian
    • H05B37/02
    • H05B33/0887H02H7/1252H02M1/4266H02M7/062H02M7/2176H05B33/0809H05B33/0815H05B33/0851H05B33/0884Y02B20/341Y02B20/342Y02B70/123
    • Disclosed are an alternating current rectifying circuit and an alternating current rectifying method for driving an LED module. The method comprises: when an alternating current module is in a positive half cycle, after an alternating current is rectified, outputting the alternating current to a positive half cycle rectifying branch circuit of an LED module; when the alternating current module is in a negative half cycle, carrying out charging according to the alternating current output by the alternating current module, and when the alternating current module is in the positive half cycle, carrying out discharging, and outputting the alternating current to a positive half cycle feed branch circuit of the LED module; when the alternating current module is in the negative half cycle, rectifying the alternating current, and outputting the alternating current to a negative half cycle rectifying branch circuit of the LED module; when the alternating current module is in the positive half cycle, carrying out charging according to the alternating current output by the alternating current module, and when the alternating current module is in the negative half cycle, carrying out discharging, and outputting the alternating current to a negative half cycle feed branch circuit of the LED module; and when a voltage of an input voltage signal is higher than a preset voltage threshold, turning off an overvoltage protection branch circuit of the LED module. By using the present invention, stability of an output voltage can be improved, and luminous efficiency of the LED module can be improved.
    • 公开了一种用于驱动LED模块的交流整流电路和交流整流方法。 该方法包括:当交流电模块处于正半周时,交流电整流后,将交流电输出至LED模块的正半周整流支路; 当交流电模块处于负半周时,根据交流电模块输出的交流电进行充电,当交流电模块处于正半周期时,进行放电,并将交流电输出至 LED模块的正半周馈电支路; 当交流电模块处于负半周时,对交流电进行整流,并将交流电输出至LED模块的负半周整流支路; 当交流电模块处于正半周时,根据交流电模块输出的交流电进行充电,当交流电模块处于负半周时,进行放电,输出交流电给 LED模块的负半周供电分支电路; 当输入电压信号的电压高于预设电压阈值时,关闭LED模块的过压保护支路。 通过使用本发明,可以提高输出电压的稳定性,并且可以提高LED模块的发光效率。