by Safety airbags in cars are a crucial thing for the automobile. The automobile business is one of the most rapidly changing industries today. We now live in a smart society. However, as the number of vehicles rose, so did the number of accidents. Every day, the news of an accident may be found in the media. As a result, passenger safety is a top priority for automobile manufacturers.
When it comes to passenger safety, one word comes to mind: “Airbag.” It is the most ground-breaking feature ever devised in the transportation business.
Upon hearing this term, a slew of questions pop into my head. What is an airbag, and how does it work?
In this essay, I’ll go over all there is to know about airbags. So let’s get started.
What is an airbag, exactly?
An airbag is a sort of safety device that is installed in automobiles. It has a balloon-like form that inflates immediately to protect passengers from a car crash. The additional restraint system is another name for it (SRS).
Airbags operate as a cushion, preventing the head and chest from colliding with the car’s dashboard’s harsh surfaces.
Who is the inventor of the Airbag?
If you look up who created an airbag on the internet, you’ll find that numerous persons are attributed to the invention. However, in 1951, John W. Hetrick of Pennsylvania deserves recognition. On August 18, 1953, the United States Patent Office issued US patent #2,649,311.
Although Walter Linderer, a German engineer, submitted an airbag patent a few months before Hetrick, it was approved after Hetrick’s. Wikipedia has additional information about Airbag’s history.
When an airbag hits you, how fast does it impact you?
For narrow object strikes (e.g., trees and poles), deployment thresholds can be as low as 8 mph, whereas, for more widely dispersed side hits, they can be as high as 18 mph (vehicle-to-vehicle crashes).
What are the three essential components of an airbag?
Both the inflator device and the lightweight fabric airbag are housed in the airbag module. The safety airbag in-car system is made up of three main components: An airbag module, collision sensors, and a diagnostic unit are all included. Some systems may additionally have an on/off switch for deactivating the airbag.
The Functions of Airbags
Multiple sensors and a control unit make up most airbag systems. When an automobile collides with anything, it begins to decelerate swiftly, losing speed.
An accelerometer is one of the sensors in an Airbag. A device that monitors acceleration is known as an accelerometer. It springs into action when it detects a change in speed.
The airbag control unit also monitors other sources, such as wheel speed sensors. The control unit activates the Airbag when a specified circumstance is identified. The force generated by normal speed deceleration is insufficient to do this.
How does an airbag work?
Chemical propellants and initiator mechanisms capable of igniting the propellants are found in every Airbag.
The control unit delivers a signal to the initiator devices when it detects a specified circumstance. Following the ignition of the chemical propellants, the Airbag is filled with Nitrogen or Argon gas.
Airbag inflation takes between 20 and 30 milliseconds. Blinking an eye, which takes between 100 and 200 milliseconds, takes less than half of that time.
The safety airbags in cars completely absorb the passengers’ motion energy. Because all of the chemical propellants were burnt to inflate the bag, it is a one-time use device.
Airbags types
Airbags Come in a Variety of Shapes and Sizes. Most people believe that there are no unique varieties of the airbag and that it is only available for the driver’s front side. This is true for older automobiles that are only equipped with an airbag that deploys from the dashboard and steering wheel to protect the driver.
However, the automobile industry has progressed significantly, and there are now several varieties of airbags available. The following are some of the most prevalent airbag kinds.
Front airbags are the most prevalent form of the airbag and may be found in almost all current automobiles. In most cases, there are two front airbags. One is for the driver, while the other is for the front-seat passenger.
All automobiles in the United States are required to have dual front airbags. The driver’s front airbag deploys from the steering wheel, while the passenger’s airbag (seated in the front seat) deploys from the dashboard upon the impact.
Weight sensors in certain automobiles since the passenger’s weight and deploy the airbag appropriately. If a kid is seated in the front seat, the airbag will not deploy to protect the youngster from the force of the airbag.
Airbags on the side – Airbags on the side are normally found in the seat or the door. These airbags help to lessen the risk of head injuries in side-impact collisions. When the car starts to roll after a collision, this also helps.
Knee airbags – Knee airbags are provided by several automakers, including Toyota, to decrease injury and increase safety. These airbags are often found between the steering wheel and the glove compartment. It can protect both the driver and the passenger from knee injuries by preventing knees from colliding with the hard surface.
When airbags deploy, how do they know when to do so?
This is how it works: When a collision occurs, the car’s sensors notice it. A computer within the automobile receives a signal indicating abrupt deceleration from the sensors. Safety airbags in cars will not deploy in low-speed collisions where seatbelts should be sufficient protection.
What is the price of an airbag?
Expect to pay between $1,000 and $1,500 for every airbag that has to be replaced. This does not include any other parts that need to be replaced; only the airbags themselves. Replacement of the airbag module will set you back another $600 or more.
Take away
When a collision occurs, airbags can be harmful to small children and individuals who are seated too close to the steering wheel or dash. It will not assist them in any way. Many individuals died as a result of a flaw in the airbag system.
You now understand how an airbag works and how many different types of airbags there are.
However, in the last decade, this technology has saved thousands of lives. This is a life-saving technique that is truly extraordinary. Without a doubt, it will save lives in the feature as well. I hope this article on safety airbags in cars was worth reading.
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