Temperature measuring device adopting a plurality of infrared sensors and its method

A temperature measuring device having a plurality of infrared sensors, comprising:

• a housing;
• a main control circuit board unit set in the housing;
• and
• the plurality of infrared sensors set at a head of the housing, wherein one part of the plurality of infrared sensors and the other part of the plurality of infrared sensors are obliquely arranged, and the front ends of the one part and the other part form an angle;
• wherein the main control circuit board unit comprises a main control circuit board, and a main control Microcontroller Unit, a signal acquisition circuit, a display screen, a power supply and a control key integrated on the main control circuit board, wherein the plurality of infrared sensors arranged at the head of the housing include at least two infrared sensors, at least two infrared sensors are connected to the signal acquisition circuit, and the main control Microcontroller Unit is configured to identify an abnormality of temperature measurement area, an abnormality of temperature measurement distance and to output an accurate target temperature.