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计算机系统应用英文版:2012,21(6):250-254

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基于PIC 单片机的超声测距报警系统

李欣^1,2, 张运楚^1,2, 杨红娟^1,2, 张洋^1,2, 邵珠虹^1,2

(1.山东建筑大学信息与电气工程学院,济南 250101;2.山东省智能建筑重点技术实验室,济南 250101)

Ultrasonic Ranging Alarm System Based on PIC

LI Xin^1,2, ZHANG Yun-Chu^1,2, YANG Hong-Juan^1,2, ZHANG Yang^1,2, SHAO Zhu-Hong^1,2

(1.School of Information and Electrical Engineering, Shandong Jianzhu University, Jinan 250101, China;2.Shangdong Provincial Key Laboratory of Intelligent Buildings Technology, Jinan, 250101)

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本文已被：浏览 1767次下载 5948次
Received:September 15, 2011 Revised:October 30, 2011

中文摘要: 本文设计了一种基于PIC16F877A 的超声测距报警系统,通过温度补偿、软件滤波以及提高发射驱动电压的方法,解决传统测距系统测量距离较近的问题,提高了探测距离和测量的精准度,并实现了实时报警的功能；解释了CX20106A 芯片输出信号电平变化的原因,提出了两种报警思路并对其进行了验证和实现。实验结果表明该系统能很好的满足安防监控的需求。

中文关键词: 超声波测距安防报警 PIC16F877A

Abstract:This paper designed an ultrasonic ranging system based on PIC16F877A. With the help of high?launch driving voltage, the temperature compensation, and software filter, we solved the problem that the traditional ranging system had a closer measuring distance. We greatly increased the detection range and improved the measurement accuracy and realized real-time alarm function. We explained the reason of the changing of CX20106A chip output single level, and put forward two alarm ideas and realized them. The experimental results show that this system can well meet the security of monitoring requirements.

keywords: ultrasonic ranging security alarm PIC16F877A

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基金项目:基于视觉认知方法的智能视频监控关键技术研究(住房和城乡建设部科学技术项目)(2011-K9-20)

Author Name	Affiliation
LI Xin	School of Information and Electrical Engineering, Shandong Jianzhu University, Jinan 250101, China Shangdong Provincial Key Laboratory of Intelligent Buildings Technology, Jinan, 250101
ZHANG Yun-Chu	School of Information and Electrical Engineering, Shandong Jianzhu University, Jinan 250101, China Shangdong Provincial Key Laboratory of Intelligent Buildings Technology, Jinan, 250101
YANG Hong-Juan	School of Information and Electrical Engineering, Shandong Jianzhu University, Jinan 250101, China Shangdong Provincial Key Laboratory of Intelligent Buildings Technology, Jinan, 250101
ZHANG Yang	School of Information and Electrical Engineering, Shandong Jianzhu University, Jinan 250101, China Shangdong Provincial Key Laboratory of Intelligent Buildings Technology, Jinan, 250101
SHAO Zhu-Hong	School of Information and Electrical Engineering, Shandong Jianzhu University, Jinan 250101, China Shangdong Provincial Key Laboratory of Intelligent Buildings Technology, Jinan, 250101

Author Name	Affiliation
LI Xin	School of Information and Electrical Engineering, Shandong Jianzhu University, Jinan 250101, China Shangdong Provincial Key Laboratory of Intelligent Buildings Technology, Jinan, 250101
ZHANG Yun-Chu	School of Information and Electrical Engineering, Shandong Jianzhu University, Jinan 250101, China Shangdong Provincial Key Laboratory of Intelligent Buildings Technology, Jinan, 250101
YANG Hong-Juan	School of Information and Electrical Engineering, Shandong Jianzhu University, Jinan 250101, China Shangdong Provincial Key Laboratory of Intelligent Buildings Technology, Jinan, 250101
ZHANG Yang	School of Information and Electrical Engineering, Shandong Jianzhu University, Jinan 250101, China Shangdong Provincial Key Laboratory of Intelligent Buildings Technology, Jinan, 250101
SHAO Zhu-Hong	School of Information and Electrical Engineering, Shandong Jianzhu University, Jinan 250101, China Shangdong Provincial Key Laboratory of Intelligent Buildings Technology, Jinan, 250101

引用文本：
李欣,张运楚,杨红娟,张洋,邵珠虹.基于PIC 单片机的超声测距报警系统.计算机系统应用,2012,21(6):250-254
LI Xin,ZHANG Yun-Chu,YANG Hong-Juan,ZHANG Yang,SHAO Zhu-Hong.Ultrasonic Ranging Alarm System Based on PIC.COMPUTER SYSTEMS APPLICATIONS,2012,21(6):250-254