一种电力设备报警器电路

Power equipment alarm circuit

Abstract

The utility model discloses a power equipment alarm circuit, including chip U1, chip U2, chip U3, resistance R1, electric capacity C1, bidirectional thyristor VS and speaker B. The utility model discloses power equipment alarm circuit has sensitive piezoelectric sensor, can discern any machinery or acoustic vibration, in its region, when someone attempts destroy power equipment, lights emitting diode D3 in the twinkling of an eye to speaker B sends the alarm and reports to the police, moreover the utility model discloses an independent 220V power supply, theftproof validity is high, and it is effectual to prevent burglary.
本实用新型公开了一种电力设备报警器电路,包括芯片U1、芯片U2、芯片U3、电阻R1、电容C1、双向可控硅VS和扬声器B。本实用新型电力设备报警器电路具有灵敏的压电传感器,可以识别任何机械或声波振动,在其区域内,当有人试图破坏电力设备时,瞬间点亮发光二极管D3,并且扬声器B发出警报报警,而且本实用新型采用独立的220V供电,防盗有效性高,防盗效果好。

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