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Circuit arrangement for a tire pressure warning device and tire pressure detecting method implemented using the tire pressure warning device
Circuit arrangement for a tire pressure warning device and tire pressure detecting method implemented using the tire pressure warning device
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机译:用于轮胎压力警告装置的电路布置和使用该轮胎压力警告装置实现的轮胎压力检测方法
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摘要
A tire pressure warning device having a detection circuit is mounted to an inflation valve on every tire of a car to implement tire pressure detection. First, a microprocessing controller in the detection circuit sends a tire location ID assigned to every tire to a signal receiving circuit provided in a dashboard of the car. Then, the microprocessing controller detects a tire pressure value of the corresponding tire and uses the detected tire pressure value as a standard pressure point for the tire. Thereafter, the microprocessing controller keeps detecting the tire pressure value of the tire. When a detected new tire pressure value is higher or lower than the standard pressure point by a preset percentage, a wireless RF is transmitted to the signal receiving circuit for the latter to identify the tire with high or low tire pressure and emit an alarm while displaying the tire pressure value.
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