一种采用apfc升压储能技术的行人计时交通信号灯

Passerby time counting traffic light using APFC boosting accumulation energy technique

Abstract

本实用新型公开了一种采用APFC升压储能技术的行人计时交通信号灯,它包括一壳体,其电源部分包含:一整流回路、一提升电源电压的APFC升压储能回路、一用于储能的储能电容及保持电压稳定输出的开关电源回路;220V电源的接入所述整流回路的输入端,整流回路的输出端接入所述APFC升压储能回路,所述APFC升压储能回路的输出端通过储能电容连接到所述开关电源回路,开关电源回路的输出端接入行人交通信号灯的控制部分;采用APFC升压储能技术,将电压提高,由储能电容进行保电,开关电源输出恒定的电压,在绿灯闪烁时保持了数字亮度的稳定,流畅。
The utility model discloses a pedestrian time traffic light that adopts the APFC boosting voltage energy storage technology, and comprises a case. The power supply part consists of a rectifier loop, an APFC boosting voltage energy storage loop that promotes power-line voltage, an energy storage capacitor which is used to store energy, and a switch power supply loop; a 220V power supply is connected with the input end of the rectifier loop; the output end of the rectifier loop is connected with the APFC boosting voltage energy storage loop; the output end of the APFC boosting voltage energy storage loop is connected to the switch power supply loop via the energy storage capacitor; the output end of the switch power supply loop is connected with the control part of the pedestrian traffic light; the APFC boosting voltage energy storage technology is adopted to increase the voltage, and the energy storage capacitor answers for the storage of electricity. Besides, the switch power supply exports constant voltage to guarantee the stability and the smoothness of digital brightness when green light splashes.

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Cited By (2)

    Publication numberPublication dateAssigneeTitle
    CN-103680174-AMarch 26, 2014无锡安邦电气有限公司低冲击电流高功率因素储能式倒计时显示电路
    CN-103680174-BOctober 28, 2015无锡安邦电气有限公司低冲击电流高功率因素储能式倒计时显示电路