| 基于CAN总线和DTMF技术的家居安防系统设计 |
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| 引用本文： | 孙晓娟,兀伟. 基于CAN总线和DTMF技术的家居安防系统设计[J]. 微处理机, 2011, 32(2): 81-83,87. DOI: 10.3969/j.issn.1002-2279.2011.02.023 |
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| 作者姓名： | 孙晓娟 兀伟 |
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| 作者单位： | 西安工业大学电子信息工程学院,西安,710032 |
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| 摘 要： | 介绍了一种以AT89S52单片机为控制核心,通过DTMF公用电话网和CAN总线传递的多节点家居安防系统设计方案。本智能家居安防系统集防火、防盗、防燃气为一体,可实现自动检测与自动语音拨号报警。介绍了振铃检测、模拟摘、挂机、放音单元等功能,详细介绍了DTMF收发电路、通话电路和CAN总线传输等电路。实验结果表明,本系统功能实用,信息传递实时可靠,适用于家居安防或其他场所的安防系统。
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| 关 键 词： | 双音多频 CAN总线 单片机控制 语音报警 |
A Design of Intelligent Home Security System Based on CAN Bus and DTMF |
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| SUN Xiao-juan,WU-Wei. A Design of Intelligent Home Security System Based on CAN Bus and DTMF[J]. Microprocessors, 2011, 32(2): 81-83,87. DOI: 10.3969/j.issn.1002-2279.2011.02.023 |
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| Authors: | SUN Xiao-juan WU-Wei |
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| Affiliation: | SUN Xiao-juan,WU-Wei (School of Electronic Information Engineer,Xi'an Technological University,Xi'an 710032,China) |
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| Abstract: | This paper introduces a kind of intelligent home security system basing on AT89S52 chips.The system was a multi-node home security system in which information transfers through DTMF and CAN bus,and it includes the functions of fireproof,theft-proof and anti-gas,can achieve automatic detection and automatic telephone dial-up alarm.ringing detection circuit,telephone onhook/offhook circuit,DTMF circuit,coding voice reminder circuit,voice ciruit,CAN bus circuit were described in detail.The practicability and f... |
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| Keywords: | DTMF CAN bus MCU control Phonetic alarm |
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