1
what’s the use?
When the vehicle is traveling in the effective speed range, if a collision occurs, the engine will automatically bounce back of the cover at the moment of a certain height, in contact with a pedestrian head and the engine occur, from to a certain cushioning effect, reducing the damage to the people.
2
Did you know?
If the computer determines a vehicle collision, the hood will be bounced up in 0.1 seconds.
* Active hood technique requires a certain speed the vehicle is traveling will not start.
– Since the sensor is determined, the collision between the vehicle and the vehicle with an object or vehicle, may also trigger this technique.
– Since the use of a special cover both sides of the lifting device, a high post-maintenance.
3
Mistakes
· hood only improve the protection of pedestrians to some extent, it does not guarantee that the pedestrian does not hurt.
4
Principle
This technology is judged by the front bumper collision sensor, to detect when a collision occurs when the signal is passed back into the sides of the nacelle tappet collector signal, the signal is determined pedestrian impact has occurred. The rear end of the hood pop-up a certain height, maximum protection of pedestrians, harm reduction.
5
Further reading
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pedestrian airbag
pedestrian airbag is detected after the initial impact with a pedestrian the bumper is triggered by the occurrence of air bag sensors, pedestrian Turning the front window roller hood this time, the airbag completes its inflation. Airbag cover not only the bottom of the windshield, the wiper cover may swing deadly “hard point” of the engine shaft like a cover mount. Active hood may cooperate with each other to reduce pedestrian collision damage received.