基于物联网的智能家居系统设计——控制系统设计

Design of Smart Home System Based on Internet of ThingsControl System DesignAbstractFor the pupose of turn remote communication,automation,environmental monitoringand other functions into reality,the smart home system combined with the Internet of Thingswas born.Compared to ordinary homes,different parts of the smart home are connected toform a system.Based on the research background like this,this paper uses the Internet ofThings technology to design a smart home system.In this control system,the main controlchip is a single-chip microcomputer chip STC89C52;DHT11 digital temperature andhumidity sensor realizes the function of detecting indoor temperature and humidity.Thetemperature detection can also cooperate with the MQ-2 smoke sensor to achieve thefunctions of fire prevention and detection of suspicious gases;use the HC-SR501 infraredsensor to achieve anti-theft;SIM800L completes the operation of remote communication andcontrol in the GSM module.SIM800L cooperates with other components to improve theautomation of the system.This design divides the control system into several modulardesigns.The control system is divided into sensor module,human-computer interactionmodule,GSM module,etc.,the control of each module is realized by single chipmicrocomputer.In the design process,Keil uVision4 software design program was used,andsimulation and debugging were completed through Proteus 8 Professional software.Finally,by building a circuit model and debugging module programs,the cooperation of variousfunctional modules was achieved to complete the design of smart home system based onInternet of Things technology.Keywords:Internet of Things;Smart Home;SCM;GSM