What are the types of airbag sensors?

[Jayce]

There are two types of airbag sensors: trigger collision sensors and protective collision sensors. Trigger collision sensors are used to detect changes in acceleration during a collision and transmit the collision signal to the airbag control unit. Protective collision sensors are connected in series with trigger collision sensors to prevent accidental airbag deployment. Based on their structure, collision sensors can also be classified into electromechanical collision sensors, electronic collision sensors, and mechanical collision sensors. Protective collision sensors typically use an electronic structure, while trigger collision sensors usually employ an electromechanical hybrid or mechanical structure. Electronic collision sensors do not have electrical contacts, and the commonly used types include resistance strain type and piezoelectric effect type. Mechanical collision sensors utilize the conductive properties of mercury to control the connection and disconnection of the airbag circuit.

[JeffreyLynn]

I think the current airbag systems are super important. I remember when I first started driving, there weren't as many sensors. Common ones include acceleration sensors mounted on the frame to detect rapid deceleration or collisions; pressure sensors in the doors to sense side impacts; wheel speed sensors that sometimes help determine impact direction. There are also seat occupancy sensors that can detect whether someone is sitting to prevent airbags from deploying unnecessarily in empty seats; head position sensors are also crucial to avoid injuries from airbag deployment. These components work with the electronic control unit like a team of safety guardians, making split-second decisions to deploy airbags during accidents. It's important not to place objects near the sensors that might block them, as this could cause malfunctions. Regular maintenance is essential, especially for older vehicles, as sensors can age or accumulate dust, affecting their judgment.

[McBradley]

As a car enthusiast, I absolutely love discussing airbag sensor details! There are mainly several types: forward-facing sensors are usually accelerometers that monitor frontal collisions; side sensors include pressure types installed in door panels to detect impact intensity; seat-mounted sensors detect occupant position and weight to prevent harm to children; and rollover sensors assess the risk of vehicle overturning. These sensors analyze data in real-time through microchips, working in conjunction with radar and camera-assisted systems. Airbag deployment failures are often due to sensor malfunctions, such as moisture damage to wiring or physical impact displacement. It's recommended to perform a system diagnostic every two years to ensure everything is functioning properly. This technological evolution makes driving much safer.

[VanEliana]

When driving with family, I prioritize safety features. Airbag sensors include acceleration types at the front to detect sudden braking, pressure sensors on side doors to sense collisions, and seat sensors that identify seating positions to prevent incorrect deployment. Position sensors are also common, ensuring directional airbag deployment. If the system accumulates dust or gets damaged, airbags may fail, especially after harsh weather—prompt inspection is needed. When children sit in the back, choose the correct car seat position to avoid sensor misjudgment. The entire system acts like a silent guardian robot, responding instantly in a crash. Maintenance is simple: regularly clean sensor areas, avoid clutter, and seek immediate repair if warning lights appear.