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计价器是出租车的重要电子设备,要实现对行车里程数的精准计算,从而保证出租车司机和乘客双方的权益。随着城市交通状况的日益复杂,交通压力与日俱增,经常出现交通堵塞的状况,再加上夜间行车灯特殊情况,出租车计价器要能够实现多种模式的计费。而且传统计价器采用机械按键对计价器进行控制,容易被篡改,也容易因按键频繁使用出现故障。针对于这些情况,本文将采用430单片机对新的出租车计价器进行设计,采用液晶显示和触控系统代替原显示操作系统,能够实现分模式计价,并对里程数进行精准计算。
Meter is an important electronic equipment taxi, to achieve the mileage of the precise calculation, so as to ensure the interests of both taxi drivers and passengers. With the increasingly complex urban traffic conditions, traffic pressure increasing day by day, frequent traffic congestion, coupled with the special circumstances of night lights, taxi meter to be able to achieve a variety of modes of billing. And the traditional meter using mechanical buttons on the meter control, easily tampered with, but also prone to frequent use of the button failure. In view of these situations, this text will adopt 430 one-chip computers to design the new taxi meter, adopt the liquid crystal display and touch system instead of the original display operating system, can realize the sub-mode valuation, and carry on the accurate calculation to the mileage.