红外线遥控是目前使用最广泛的一种通信和遥控手段。由于红外线遥控装置具有体积小、功耗低、功能强、成本低等特点，因而，继彩电、录像机之后，在录音机、音响设备、空凋机以及玩具等其它小型电器装置上也纷纷采用红外线遥控。工业设备中，在高压、辐射、有毒气体、粉尘等环境下，采用红外线遥控不仅完全可靠而且能有效地隔离电气干扰。-infrared remote control is the most widely used as a means of communication and remote control. Because infra-red remote control device with small size, low power consumption, high performance, low cost, and consequently, following the TV, VCRs, the tape recorders, audio equipment, Air-Conditioning machines and toys, and other small electrical devices also have adopted infrared remote control. Industrial equipment, high voltage, radiation, toxic gases, dust and other circumstances, Using an infrared remote control is not only reliable and effective isolation of electrical interference.