| 简易的超声波测距系统 |
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| 引用本文： | 赵小强.简易的超声波测距系统[J].天津理工大学学报,2010,26(1):49-52. |
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| 作者姓名： | 赵小强 |
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| 作者单位： | 天津理工大学,机械工程学院,天津,300084;发泰科技有限公司,天津,300402 |
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| 基金项目： | 天津市高等学校科技发展基金 |
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| 摘 要： | 根据超声波的传播特性,采用555电路产生40 kHz正弦波驱动超声波换能器,通过单片机适时控制外围电路,对超声波在空气中的传播时间进行测量,从而设计了超声波测距系统.本文详细的阐述了超声波测距系统的构成,电路原理,程序设计及温度补偿.
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| 关 键 词： | 超声波测距 超声波换能器 单片机 温度补偿 |
Simplified ultrasonic telemeter system |
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| ZHAO Xiao-qiang.Simplified ultrasonic telemeter system[J].Journal of Tianjin University of Technology,2010,26(1):49-52. |
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| Authors: | ZHAO Xiao-qiang |
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| Institution: | ZHAO Xiao-qiang1,2(1.Shool of Mechanical Engineering,Tianjin University of Technology,Tianjin 300084,China,2.PHARM-TECH(TIANJIN) CO.,LTD,Tianjin 300402,China) |
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| Abstract: | According to the peculiarity of ultrasonic transmitting,using the 555 circuit to bring 40 kHz sine wave to drive the ultrasonic transducer,the microprocessor control the peripheral circuits timely,and measure the time that ultrasonic transmitted in air,so the ultrasonic telemeter system it designed.This paper expatiates the Ultrasonic Telemeter System's composing,the principle of circuit,program design and the temperature compensation. |
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| Keywords: | ultrasonic ranging ultrasonic transducer microprocessor temperature compensation |
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