AutoBeta(AutoBeta.net)07/17 Report--

According to relevant media reports, a BMW owner in Guiyang, Mr. Zuo, lent his BMW 5 Series sedan to his friend Xiao Chen, and once driving a BMW on the ring highway, due to misoperation, the vehicle hit roadside guardrails and trees. Fortunately, the person was fine, and the airbag did not pop up when the crash beam broke.

After the incident, Mr. Zuo questioned the safety performance of his vehicle. Mr. Zuo said that the role of airbag is to protect in crisis situations, but friends driving vehicles on the highway speed has exceeded 60 km/h, guardrail has also been damaged, some trees have been hit uprooted, and the airbag of the vehicle has not popped up, so expressed very confused.

According to the driver Xiao Chen, he was driving at high speed at that time, because of his own operation error and caused an accident, the impact force is also very strong, the upper and lower two collision beams of the vehicle were broken, and the airbag also failed to pop up. He wondered if the vehicle wasn't moving fast enough, or if it wasn't in the right place.

After the event, Mr. Zuo sent the vehicle to 4S shop for maintenance. Mr. Zuo also said that his vehicle had been towed to 4S shop for about half a month, but he still failed to issue any relevant identification results. Because there was no identification result, he was also very uneasy. Even if the vehicle was repaired, he dared not continue driving.

As for Mr. Zuo's question about the vehicle, Manager Li of BMW 4S Store in Guiyang gave the explanation that the airbag is used as a safety auxiliary device in driving, rather than being opened in case of collision. BMW vehicles have a lateral and longitudinal sensor, only if the belt does not play a protective role, the airbag will trigger.

Manager Li also said that at present they have invited the manufacturer's technical personnel to the scene to detect and study the specific situation of the vehicle, before the deadline, the store said it would go before July 19 to give the specific identification half to the customer. Mr. Zuo said that the specific situation should wait for the report to come out before deciding how to negotiate with the 4S shop.

It is understood that the working principle of the airbag is that the sensor senses the collision intensity of the automobile and transmits it to the controller. The controller receives and processes the signal from the sensor. When the controller judges that it is necessary to open the airbag, it immediately sends out an ignition signal to trigger the gas generator. After the gas generator is ignited, it quickly generates a large amount of gas. A gas-filled airbag is deployed between the driver and the internal structure of the automobile, so that the driver's body does not collide violently with the hard automobile structure. And thus reduce harm. Therefore, whether the airbag pops up or not is necessarily related to whether the airbag sensor is touched during collision.

"How to design the control mechanism of airbag system of each manufacturer, where is the critical point of triggering, there is no industry standard in the country." An auto repair professional said,"This also caused each manufacturer to airbag detonation conditions have complete 'interpretation right', Car owners in the protection of rights is very passive."

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