IR sensor

The utility model provides a IR sensor, including the casing, optical lens on the installation casing, it inside and be located the infrared sensor on optical lens's the imaging plane to locate the casing, and locate the inside electronic control device of casing, the electronic control device includes the treater of being connected with the infrared sensor electricity, with the electric power of being connected of treater, which comprises a housin, and analysis processes is carried out to the infrared signal of telecommunication that sends the treater according to infrared sensor with treater electricity being used for of being connected and the voltage detection circuit low pressure information of sending and the low pressure alarm information who sends and the alarm information that guards against theft send to mobile terminal's radio communication circuit. The utility model provides a IR sensor, the design of leading to overvoltage detection circuit and radio communication circuit for this IR sensor has u