Wireless infrared vital sign sensor

The utility model discloses a wireless infrared vital sign sensor which comprises an input/output unit, an infrared transmitter, an infrared receiver, a data processing unit, and a battery module, wherein the input/output unit is used for receiving a measurement command and outputting measurement data; the infrared transmitter is used for generating infrared waves transmitted to a measuring object so as to sense the vital sign of the measuring object; the infrared receiver is used for receiving the infrared waves reflected by the measuring object and converting the received infrared waves into electric signals; the data processing unit is connected with the input/output unit, the infrared transmitter and the infrared receiver and used for controlling the input/output unit, the infrared transmitter and the infrared receiver to run, processing the electric signals received from the infrared receiver, and outputting measurement data of preset form to the input/output unit; and the battery module is connected with the infrared transmitter and the data processing unit and used for supplying power for the infrared transmitter and the data processing unit. The wireless infrared vital sign sensor can realize non-contact collection of human physiology data, is simple for measurement operation and high in accuracy.