Study On Seat Position Safety Of Passenger Car Based On Accident Statistics

With the improvement of our country's economy,the economic capacity of the residents has also been improved,more and more people have their own passenger cars.With the popularity of passenger cars,passenger car traffic accident occurrence also increase,Therefore,how to reduce the casualties of passenger traffic accidents occurred in the passenger cars has become a hot and difficult research topic.In order to reduce the casualties caused by road traffic accidents,In this paper,the safety of each seat of passenger cars is studied,and 312 groups of valid data are extracted from more than 10 thousand cases.The damage degree of the occupant in the seat position of the passenger car in the road traffic accident is calculated by the collision shape,the road type and the collision object.In this paper,the seat safety evaluation model of passenger car seat is established according to the risk degree calculated by the corresponding mortality rate of AIS classification standard;Then the use of SPSS in the multi factor variance analysis method for different collision shape,different road types and different collision conditions,the degree of injury was analyzed by using the data presented by the position of the seat,car seat position difference different degrees of risk;Finally,the seat safety of passenger cars is comprehensively analyzed.The results show that:(1)the safety of different seat positions in passenger cars has significant difference;(2)when a road accident occurs in a passenger car,the order of the risk of the occupant sitting in each seat is from copilot to driver,left behind,middle,right rear.This study analyzed the relationship between the passenger car occupant injury degree and seat position in road traffic accidents;provide a theoretical basis for the improvement of safety seat for automobile manufacturers;and to the passengers in full seat safer choice situation,so as to reduce occupant casualty risk.