Development Design And Test Study Of A Passenger Car Airbag Module

Many in the traffic accident, traffic accident frequency first, a serious threat tohuman security. With the rapid growth of the national economy and the improvementof people’s living standard, automobile has been more and more into the ordinaryfamily, the car has become a popular mode of transportation for most people living in.With the popularization of cars, people continue to enhance the safety awareness ofthe car, put forward new requirements on the safety of the will. To increase the safetyof the car can reduce car traffic accident casualties and economic losses, minimizingthe automobile traffic accident casualties is an important topic in related fields ofautomotive passive safety should be solved at present.Automotive occupant restraint system is an important research content in thefield of vehicle passive safety. The airbag is increasingly being fitted to the vehicle.How to coordinate the airbags and seat belts and other safety items a good match withthe body, Achieve optimal protective effect on the crew, is the difficulty of airbagsystem optimization, the actual In this paper, airbag development process In this paper,Details development design and test study of a passenger car airbag module.The development process is divided into two main sections: Parts developmentand System development. Parts development fully consider the platform, reducecomponent costsǐreduce development cycle, achieve profit maximization. Air baghousing case using the platform structure, inflator ǐ Airbags volume basicallydetermined, development focuses on the airbag cover cap (injection mold)development, Connection structure to environmental pieces. After performance Test（Including design verification experiment ǐProduction verification experiment）qualified, obtain PPAP approve from OEM, reach production status. Systemdevelopment include simulation stageǐdata collection stageǐslide Optimization stageǐvehicle verification stage, airbag ECU demarcate throughout the process. Preliminaryairbags parameters can be obtained in the simulation stage, slide optimizationexperiments for the first time, slide optimization experiments and simulation interaction, Finally get to meet the parameters of vehicle development goals airbags.ECU Location Acceleration dataǐB-pillar acceleration data and belt force sensor dataobtained in the data collection stage, determining regulatory speed collision airbagECU ignition timing for the slide Optimization experiments. After determining thefinal parameters airbags, use this parameter airbag to do vehicle verificationexperiment. Using the experimental data with the data obtained in the body of the datacollection phase comparison, for the airbag ECU calibration adjustment, Determinethe final parameters of the airbag ECU, Importing Production, obtain PPAP approvefrom OEM, reach production status.