Research And Implementation Of Control Technology For Air Conditioning Based On Wireless Sensor Network

Along with the development of computer technology, control technologyand communication technology, wireless sensor network is rapidly applied toenvironmental monitoring, traffic management, disaster forecast, health care,intelligent buildings and other fields of city informatization construction forits convenient and flexible installation, low installation cost, the mobility andother outstanding advantages.As a part of key project supported by Hubei provincial department ofcooperative education——“Multi-purpose intelligent control system on thebasis of wireless sensor network”, a remote air-conditioning energy-savingcontrol system was designed and implemented on the basis of modernnetwork technology, wireless communication technology and intelligentcontrol technology in this issue. Several area-control units (Ethernet,Wireless Sensor Network) were realized for the remote monitoring andcontrol and other management. The system consists of a remote control center,wireless routers and intelligent terminal control nodes. Heterogeneous mannerof wireless network was adapted, the method of low power networkprotocol—SimpliciTI proprietary for the simple and small wireless networkwas used in the wireless part, whose cost of transmission is low; The existingEthernet network was used in the cable part to ensure accurate and reliabledata transmission. Flexible and automatic network configuration was realized,seamless integration of wired network and a wireless network was realizedthrough the wireless router based on UDP protocol, which had goodscalability and adaptability. All terminal nodes were controlled through theEthernet bus and wireless sensor network, terminal nodes worked independentaccording to the preset logic, and controlled the operating status of theequipment object according to the control command, and can work in avariety of power modes in accordance with the need. The system can reduce energy waste and extend equipment’s life and cut the operating cost thoughthe strict and effective management of air conditioning, can also significantlyimprove the energy efficiency of air-conditioning, effect of energy saving andemission reduction is achieved.