Zero noise electric cars gets sound generator for the safety of pedestrians

14 Июн 2014 | Author: | Комментарии к записи Zero noise electric cars gets sound generator for the safety of pedestrians отключены
Tazzari Zero Electric Cars

Zero noise electric cars gets sound generator for the safety of pedestrians

When any gasoline engine powered car passes near a pedestrian, there is atleast some sound to get alerted that the vehicle is passing, where in the electric car case, particularly at low speeds, its nearly zero sound. Since this is not safe, Delphi has come out with two new vehicle sound generators. Delphi Automotive can help global vehicle manufacturers warn pedestrians of approaching hybrid and electric vehicles. Designed to comply with legislation expected to mandate minimal sound for both hybrid and electric vehicles, these environmentally friendly sounders are not only robust, but compact, light weight and low cost.

The single-box solutions are lead-free, waterproof and temperature resistant.

Industry analysts predict hybrid and electric vehicle warning sounds, already covered by guidelines in Japan, will be required in North America and Europe in the near future, said Beth Schwarting, general director, Electronic Controls product business unit at Delphi. Our goal is to help customers address market-driven challenges with environmentally friendly and affordable technologies.

Delphi says it’s electronic sounder system, is approximately three times lighter than a conventional multi-box system and uses 90 percent less power, making it the most environmentally friendly solution available. Its single-box configuration helps to reduce design, test and manufacturing cost, and its size and weight simplify packaging. The system provides a frequency range of 500Hz to 10 KHz and can reproduce melodies that represent the identity of individual vehicle manufacturers.

Tazzari Zero Electric Cars

For applications requiring higher quality sound, Delphi has developed a high-fidelity sounder system that uses a cone speaker activated by a light-weight magnet and extends base range to 150Hz. The magnet-based system weighs 66 percent less than a conventional speaker system.

Both systems are designed to be robust enough to be mounted in the harsh environment under the vehicle’s hood and incorporate a 32-bit microprocessor with flash memory, a link to the vehicle’s data bus and an audio class-D amplifier.


Delphi’s sound generators are specifically designed to warn pedestrians of oncoming hybrid and electric vehicles moving at low speed, said Deidrich von Behr, managing director Electronic Controls Europe. Not only do these green systems enhance safety by helping to make pedestrians aware of approaching vehicles, they become more valuable when integrated with other vehicle systems.

Every car has a personality, and we want our customers to be able to choose the system that best represents their brand, said Schwarting. With these two systems and the value of integration, we believe we have developed flexible products that will meet our customers’ specific needs.

Tazzari Zero Electric Cars
Tazzari Zero Electric Cars
Tazzari Zero Electric Cars
Tazzari Zero Electric Cars
Tazzari Zero Electric Cars
Tazzari Zero Electric Cars

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