With the development of transportation, despite the travel more convenient, but also more security risks. When
the major automobile uobd2 manufacturers in the design models more
consideration to the safety factors of the car, which is consumers would
like to see and in line with market trends. The last straw as a car airbags role. The following, we are concerned that some of the wide range of automotive airbag.
The body passive security the auxiliary configuration, airbag increasing attention has been paid. When
car collides with an obstacle, it is called a collision, collision crew
and car components, called the secondary impact, the airbag in a
collision, before the second collision quickly open a gas-filled
cushion, so the crew due to inertia moves
"flutter in the air cushion" thereby alleviating the crew have been hit
and absorb the impact energy, reducing the degree of occupant injury.
The driver's seat, at the most, however, vice driver's seat, dual airbags, is often said. In
some high-class models, front side airbags, front and rear head
airbags, etc., in luxury models, the rear side airbags, front seat with
knee airbags. The care of the passengers can be described as looking around all sides. But then a comprehensive security configuration, also need to drive carefully.
The principle of the structure of the airbag
Modern airbag system is provided by the crash sensor, buffer airbag, the gas generator and a control block (PC). . Wherein the control computer is the core, and is generally integrated in the microcomputer. When
the car involved in a collision, the electronic control unit receives
different locations of the body deceleration signal coming from multiple
sensors, after repeated continuous analysis, comparison, calculation,
and decide whether to issue an ignition signal. Request
control means can very accurate judgments made in the complex case of
collision, the ignition timing must be precisely controlled.
Old and new airbags distinction
The the old airbags disposable blasting, the sudden release of energy, will inevitably hurt the vehicle occupant. The
new airbags Add scalable the inflatable or release of pressure device,
to prevent a sudden point explosion generated enormous pressure on the
human head injuries, particularly in the passenger not wearing a seat
belt when. This is about the ignition of the rocket. Length booster pusher first combustion, and then burning the next.
Airbag release limited
In
order to ensure the airbags opened at the appropriate time, the car
manufacturers are provisions of the airbag detonation conditions, only
to meet these conditions, the airbag will pop up. Come
crashing in the number of traffic accidents, the vehicle occupant, even
life-threatening, the vehicle close to retirement, but the explosive
conditions amounted to less than the airbag, the airbag or not open.
The airbags Open need the right speed and impact angle. Theoretically,
only the front of the vehicle of approximately 60 ° between the
position of the impact on the stationary object, the speed is higher
than 30km / h, when the airbag is only possible to open. The
speed is not understood in the usual sense of the speed, but the speed
of the collision of the vehicle relatively rigid fixed obstacles in the
test chamber, the actual collision speed of the car is higher than the
test speed airbag in order to open the mentioned here.
Note airbags
The
airbag cause greater harm to children, so the children as much as
possible not to take the passenger seat and must sit to close co-pilot
front airbags. Some
senior models equipped with pressure sensors under the seat, under
pressure to determine the size and weight, which control airbag release
or not to open, which is actually very advanced. Airbag is life, generally 10 years to be replaced, or the chemical composition failure, the airbag not open.
Passenger airbags in the top of the right side of the center console, do not put in here what items.
Otherwise, once the airbags work becomes slingshot. May be subject to greater harm. With
airbags, even if the whole car has airbags, must wear a seat belt, the
fixed pulling no seat belts, airbags can not play a bigger role. According
to the survey, a separate airbag accident mortality rate can be reduced
by about 18%, the use of seat belts alone accident mortality rate can
be decreased by about 42%, while the accident mortality rate can be
reduced by about 47% when the airbags and seat belts used in conjunction
with . Shows that only the two complement each other to the maximum possible reduction accident mortality.
没有评论:
发表评论