Non-contact temperature measuring device

The utility model discloses a non-contact temperature measuring device composed of an infrared detection lens, a signal receiving amplification and conditioning circuit, an A/D conversion circuit, a singlechip main control circuit, a monitor, a control output interface, a main unit button and a serial communication interface; the infrared detection lens is sequentially and electrically connected with the signal receiving amplification and conditioning circuit, the A/D conversion circuit and the singlechip main control circuit, the monitor, the control output interface, the main unit button and the serial communication interface are electrically connected with the singlechip main control circuit, wherein the A/D conversion circuit adopts an AD 574 chip, and the singlechip main control circuit adopts an AT89C51 singlechip; the non-contact temperature measuring device has wider temperature measurement range, higher measurement accuracy, timely acquires measurement data and has wider industrial application range.