Research And Design Of Intelligent Security System Based On Internet Of Things

Nowadays,with the acceleration of the pace of urban life,many young and middle-aged people are busy working and are not at home for most of the time.With the development of modern urbanization,"empty nest elderly" and "left behind children" have become a common social phenomenon.The children or the elderly in the family need someone to take care of them in real time.With the increase of home appliances,there are many hidden dangers to the family.People pay more attention to the property safety when they leave home.In recent years,the Internet of Things,smart home and other fields have developed rapidly in China,and more and more smart home products have been widely sought after by people.An intelligent security system with simple operation,energy saving,high efficiency,low cost,convenient installation,more comprehensive functions,and more humanization has also become a hotspot of scientific research.With the rapid development of Internet of Things,5G and other technologies in China,more and more intelligent smart home design has become the focus of attention.An intelligent security design with simple operation,energy saving,high efficiency,low cost,simple laying,more comprehensive functions,and more humanization has also become a hotspot of scientific research.This paper aims at the advantages and disadvantages of the current security systems on the market,starting from the functional needs of consumers,through the research summary of intelligent security and wireless communication technologies such as Zigbee,WIFI,3G,etc.,We propose and design An intelligent security system solution based on the Internet of Things after analyzing a variety of solutions.The design includes seven modules including the main control module(Samsung Exynos4412),sensor module,Zigbee wireless communication module,WIFI module(ESP32),camera module,3G alarm module(SIM808)and mobile terminal.It mainly implements functions such as home environment information monitoring,intelligent access control,electronic peephole,face recognition,automatic alarm of environmental information sensor exceeding threshold,real-time video,remote control and other functions.According to the above functional design requirements,this paper designs and selects the overall hardware of the system,and details the circuit design and function of the main control module,Zigbee module,3G alarm module and WIFI module in the system design.Secondly,from the software level,the system development environment construction and transplantation related process are described in detail.And then,in terms of software design schemes and application functions,the communication mechanism between modules in this system design and the work flow of each functional module are introduced in detail.By mapping the BOA server to the external network,the user can open the corresponding URL through the browser of a mobile phone or computer terminal device to obtain the environmental parameters at home,view the camera and other related information,and control the internal devices of the home.Finally,on the hardware and software platform of this paper,the Zig Bee acquisition,3G alarm,video acquisition,web display and control,face recognition and other functions of the security system are tested and simulated,which verifies that the function of this scheme meets the expected requirements.The intelligent security system based on the Internet of Things designed in this paper has the advantages of simple laying,more comprehensive functions,cheap and practical,strong expansibility,and more user-friendly management.It has certain application prospects in the market.