The airbag is the auxiliary protection equipment of the airbag system, the use of the airbag significantly improves the passive safety of the car. This paper firstly summarizes the airbag structure and principle, as well as its core component, next to their technical development trends are analyzed. It is pointed out that with the improvement of automobile safety attention degree of the development of science and technology and people, external intelligent airbag, new materials application and design the improvement will become the inevitable trend of the future of airbag development; and then analyzes the representative products -- Jinzhou Jin Heng Automotive Safety Systems Co., Ltd., and points out its R & D new airbag, such as roof airbag, buttocks airbag and rear airbag, has entered the stage of design verification.
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