A Unique and Novel Approach for Increasing the Life of Automotive Audio Signaling Device

Paper #:
  • 2014-01-0237

Published:
  • 2014-04-01
Citation:
Yerraguntla, P., Kulkarni, S., and Asthana, D., "A Unique and Novel Approach for Increasing the Life of Automotive Audio Signaling Device," SAE Technical Paper 2014-01-0237, 2014, https://doi.org/10.4271/2014-01-0237.
Pages:
4
Abstract:
Automotive Audio Signaling system is very vital and is controlled by local regulatory requirements. In India, usage of horn is very frequent due to highly congested traffic conditions, and is in the order of 10 to 12 times per kilometer. This results in the deterioration of the “contact”, which enables the functioning of the device. Hence the device requires premature replacement or frequent tuning, which are time consuming and results an increase in warranty costs and cost of service as well.Thus, to overcome this problem a unique and novel approach is proposed in this paper which enhances the life of the automobile horn, by implementing an additional pair of Contacts on circuit breakers, providing a parallel path for the power supply. This effort ensures that the life of the horn is increased by 5 times than the existing design. In addition, this approach completely eliminates the problems of premature failure or frequent tuning, yet without any change in the physical dimensions of the device, thus ensuring that no additional engineering efforts are required for its implementation. The paper also discusses the validation methods implemented and their results.
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