Bus-communication-based infrared transmission/receiving device

The utility model provides a bus-communication-based infrared transmission/receiving device which comprises a main circuit module, wherein the main circuit module is grafted to a KNX bus, and comprises a central processing unit, a power taking filtration module, a processing unit power supply module, a message receiving module, a message transmission module, a mode switching module, a mode status indication circuit, an infrared transmission circuit module, an infrared receiving circuit module and a debugging interface. According to the bus-communication-based infrared transmission/receiving device, an infrared remote control technology is grafted to the KNX bus, and high centralized management capability of an EIB (European installation bus) system is fully utilized; when the device is applied to an EIB environment, if infrared remote control electronic equipment is used, the equipment can be directly controlled through the bus; meanwhile, the device also has an infrared code learning function, and an infrared pulse signal can be received to store a key code; the device has the characteristics of high reliability, high degree of freedom, high cost performance, high convenience in integrated control and the like.