Character of infrared CO_2 transmitter has been introduced here, and expands signal collection technology by simulation and numeral all-in-one and realization ways, and nutshells infrared telecontrol technology and complete machine anti-jamming technology, and advances a new type SCP controlled by flush type. 介绍了红外CO2变送器特性,阐述了模数一体化信号采集技术及实现方法,并简述了红外遥控技术和整机抗干扰技术,提出了适合嵌入式控制的新型单片机。