Research on general layout parameters of I-SIZE child safety seat in frontal impact

Abstract

In order to explore the influence of the general layout parameters of the child restraint system on the evaluation index of child injury in a frontal impact, and to explore the general layout plan that can minimize the child’s injury, this paper selects an I-Size child safety seat that meets the ECE R44 regulations as the research object, in accordance with the ECE R129 regulations, uses the Q3 child dummy to perform a frontal impact sled test on it, and record the test results. On this basis, a simulation concept model of the child safety seat is established, and the parameter combination of the seat back angle and cushion angle and the parameters of the five-point seat belt exit position are studied, and the overall layout design scheme with the best child protection performance is obtained.