Design Of Alarm System For Children's Anti-lock Vehicle Based On GSM

With the rapid development of the automobile industry,the vehicle has become a very dependent travel tool in people's life.In recent years,the frequent occurrence of the child being locked in the heated car,causing serious injury to some families and arousing widespread public concern.It has become a serious issue.First of all,this paper analyzes and compares its advantages and disadvantages by referring to the related technology of the current domestic and foreign children's anti-lock-in vehicle alarm system.Second,based on the existing products,this article put forward its own design.This article describes in detail the hardware design and software design.Hardware design mainly includes the controller and its peripheral circuit design,power and voltage sensing circuit design,sensor selection and installation;software design includes the overall system design process,GSM module communication program design,temperature sensor data acquisition program design,microwave body sensing programming.Finally,This article produced a physical alarm system and conducted a test.In addition,this article also made researches and summarizes on the reason of children staying in the car and the changes of the temperature inside the car's cab in different environments,which provides a reference for solving the problem of children's car safety.This study shows that the microwave human body sensor and the GSM module improves the reliability of the alarm system,realizes the remote alarm and makes up for the deficiency of the existing products.In the field of children's car safety,it has certain application value and promotion value.