物理实验中简易太阳能红外报警器设计

摘要

以提高大学生物理实验创新能力为目的，设计了一种由分立电子元件制成的太阳能红外报警器，应用于门窗防盗报警。红外报警器包括供电电源、光控开关及报警电路3部分组成，并附以太阳能电源电路工作原理图。%To improve physical experimental innovation ability of the college students ,a solar infrared alarm composed of discrete electronic components is designed for doors and windows alarming .The infrared alarm includes the power supply ,the light‐operated switch and the alarm circuit ,and the circuit principle diagram of solar pow er supply is provided .