Electronic Automotive Safety Restraint System – ECU & Sensors

The central controller serves as the brain of the airbag system, receiving signals from collision sensors and other input devices to determine whether to ignite and deploy the airbag. It also performs self-diagnosis to detect any system malfunctions. The central controller is composed of components such as the ignition controller, driver circuit, storage circuit, and diagnostic circuit. At the heart of the ignition controller lies the ignition control algorithm, which precisely determines the timing of airbag deployment and ensures robust performance even in challenging conditions like rough road surfaces—this is the core technology behind airbag control. Given the diverse structural designs of real-world vehicles and the varying characteristics of collisions they experience, numerous variations of the ignition control algorithm have been developed to seamlessly adapt to different scenarios.

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business@jinhengairbag.com

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　　The central controller serves as the brain of the airbag system, receiving signals from collision sensors and other input devices, determining whether to ignite and deploy the airbags, and performing self-diagnosis to detect any system malfunctions.
　　The central controller consists of an ignition controller, drive circuit, storage circuit, diagnostic circuit, and more.
　　At the heart of the ignition controller lies the ignition control algorithm, which determines both the airbag deployment timing and its ability to withstand interference from rough road conditions—this is the core technology behind airbag control. Since real-world vehicle structures vary significantly, leading to diverse collision characteristics, numerous ignition control algorithms have been developed to accommodate these different scenarios, and research in this area continues to evolve. Currently employed methods include the velocity-based approach, the acceleration-slope method, and the specific-power technique, among others.
　　For frontal collisions, the collision sensor and control system typically need to determine within 20 milliseconds whether inflation is required, and once triggered, the airbag must be fully inflated with gas within 30 milliseconds. A single collision sensor is used, with the control system integrated directly into its design.

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Electronic Automotive Safety Restraint System – ECU & Sensors

Electronic Automotive Safety Restraint System – Curtain Airbag

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Electronic Automotive Safety Restraint System – Driver-Side Airbag

Side Air Bags (SABs) are installed on the sides of car seats or inside the doors, providing critical protection to occupants' chests and heads during side-impact collisions. There are generally two main types of side airbags: one is a head-and-chest integrated design, primarily protecting both the chest and head areas; the other is a chest-only airbag, which mainly safeguards the chest, abdomen, and pelvic regions. When used in conjunction with side curtain airbags, these systems deliver exceptional protection. Upon receiving an ignition signal, side airbags rapidly inflate—typically within about 20 milliseconds—to cushion occupants and significantly reduce injury risks during side-impact crashes.

Electronic Automotive Safety Restraint System – Driver-Side Airbag

◆Cover: One-piece / Pull-strap hinge type, made from thermoplastic elastomer TPEE via injection molding ◆Gas Generator: Hybrid gas type / Pyrotechnic type ◆Airbag: 90–120 liters, constructed from nylon 66 ◆Weight: Approximately 2000 grams

Contact Information

EMAIL:business@jinhengsafety.com

TEL:+86-416-3575105

Address: No. 16, 4th Section of Bohai Street, Jinzhou Economic and Technological Development Zone, Liaoning

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