| 基于双单片机系统的电梯速度监测仪 |
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| 引用本文： | 潘文诚.基于双单片机系统的电梯速度监测仪[J].浙江科技学院学报,2010,22(1):17-21. |
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| 作者姓名： | 潘文诚 |
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| 作者单位： | 浙江科技学院,自动化与电气工程学院,杭州,310023 |
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| 摘 要： | 设计的电梯速度监测仪是一种用于实时监测电梯运行速度和状态的仪器。采用反射式光电传感器作为速度和方向的敏感元件,红外光电头集光信号发射和接收于一体,至反射板的感应距离可达2 m,单片机MCU根据吸光挡板的长度和光路被隔断的时间算出电梯的瞬时速度。2个子系统采用不同的工作时钟和不同中断机理的信号输入部件,极大地提高了监测仪的可靠性。外带的参数设置板与系统的连接采用了I2C总线器件,巧妙地完成了2个子系统参数的同步设置和系统运行时对2个参数存储器的写保护。逻辑或能电路使任一子系统在检测到电梯故障时都能报警和动作继电器的触点。
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| 关 键 词： | 电梯速度监测 双单片机系统 I^2C总线协调 简易界面 |
Development of elevator speed monitor based on dual single-chip microcomputer system |
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| PAN Wen-cheng.Development of elevator speed monitor based on dual single-chip microcomputer system[J].Journal of Zhejiang University of Science and Technology,2010,22(1):17-21. |
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| Authors: | PAN Wen-cheng |
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| Institution: | PAN Wen-cheng(School of Automation , Electrical Engineering,Zhejiang University of Science , Technology,Hangzhou 310023,China) |
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| Abstract: | The elevator speed monitor developed is an apparatus for real-time monitoring of running speed and the status of elevator equipment.It is developed as follows: reflective optoelectric transducer is used as a speed and direction sensor,the infrared photoreader set of optical signal transmitting and receiving in one,the range of sensors to a baffle-board is up to 2 meters,single-chip MCU is cut off to calculate the instantaneous speed of the lift according to the length of baffle and time of optical path.Two ... |
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| Keywords: | elevator speed monitoring dual single-chip microcomputer system I2C bus coordination simple interface |
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