Abstract
One of the important devices in a vehicle is the tire pressure sensor. This device couples with other instruments inside the vehicle assisting the drivers in knowing the correct information about their vehicle’s tire pressure. This information helps improve vehicle handling, increases gas mileage, and extends tire lifespan. Once mounted inside the tire, the tire pressure sensor is a stand-alone device. It is powered by a battery that has a limited operating life. Due to it being mounted inside the tire, the driver does not frequently check tire pressure sensor battery. If the battery runs out, battery replacement is not an effective option. This work presents a battery charging prototype that recharges the tire pressure sensor battery. The developed device uses electromagnetic principles to wirelessly transmit power to a device that needs power. We designed a prototype and conducted some laboratory scale experiments. Experimental and validation were based on a tire pressure sensor developed by Kenda Rubber Ind. Co., Ltd, Taiwan (R.O.C). This tire pressure sensor consumes power from a 4.8 V 700 mAh Li-ion rechargeable battery. The experimental results show that the prototype can transmit 4.9 V induction voltage. The maximum current is up to 850 mA with the optimum transmission distance at around of 1.5 cm. This prototype recharges the tire pressure sensor battery wirelessly to extend its battery-power life.
Highlights
Today vehicle functionality goes well beyond basic transportation
Wireless power transmission systems have become fascinating as a re-emerging technology
Wireless power transmission system was developed by taking the mutual induction and resonance principle, which were developed over the past years
Summary
Today vehicle functionality goes well beyond basic transportation. Engineers have been finding ways of integrating technology into vehicles since they were manufactured [1]. The most important purposes of added vehicles technology are significant improvements in functionalities, automation, performance, comfort, and safety while driving. The decreasing cost of electronic technology allows devices to be used to support numerous functions in vehicles. The sensor is one of the essential elements in any monitoring system. This is true for road vehicles when introducing some form of assistance to the driver. Much progress and improvements have been made in vehicle safety automotive electronics
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