What Must Work Together with Airbags to Be Effective?
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Airbags must be used in conjunction with seat belts to provide effective protection. Without seat belts, airbags cannot function properly. If we consider the combined safety provided by airbags and seat belts as 100%, seat belts contribute 70% of the protection, while airbags account for the remaining 30%. Therefore, airbags and seat belts must work together to maximize their protective effects. The working principle of airbags: 1. When a collision occurs while the car is in motion, the airbag sensor first receives the impact signal. If the impact reaches the specified intensity, the sensor activates and sends a signal to the electronic control unit. 2. Upon receiving the signal, the electronic control unit compares it with its pre-stored data. If the conditions for airbag deployment are met, the drive circuit sends an activation signal to the gas generator in the airbag assembly. 3. After receiving the signal, the gas generator ignites the gas-generating agent, producing a large volume of gas. This gas is filtered and cooled before entering the airbag, causing the airbag to rapidly inflate and break through the padding in an extremely short time. The airbag forms an elastic cushion in front of the driver or passenger, then promptly deflates and contracts, absorbing the impact energy. This effectively protects the head and chest, preventing or reducing the severity of injuries.