基于单片机的出租车合乘计价器设计

为解决城市交通压力和城市交通给空气质量带来的污染问题,以89C52单片机为系统核心,利用小直流电机模拟车轮,霍尔传感器将电机的转动通过脉冲计数转化为里程数,独立按键与89C52单片机配合,1602LCD显示模块显示里程和价格,设计了一种新型出租车合乘计价方案和合乘计价器,并分析其合理性和实用性.结果表明,设计的出租车合乘计价器实现了对3名及以下的乘客同时计费.该合乘计价器用于出租车运营中,可达缓解交通压力,低碳环保的目的.

In order to solve problems such as urban traffic pressure and air pollution from car exhaust,in this paper we designed a valuation scheme and a taxi meter whose core is the single chip,89C52. In this system,a small DC motor is used to simulate the wheel,a Hall sensor converts the rotation of the motor into the mileage by pulse counting,the independent buttons cooperate with the 89C52 single chip,and 1602LCD can display necessary messages,such as mileage and corresponding price. We also analyzed the taxi meter’s rationality and practicality. Analysis results show that the taxi meter can charge for 3 passengers’taxi-sharing at most. The application of the multiplymeter to taxi operations can help us achieve the purpose of reducing traffic pressure and low-carbon environmental protection.

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