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Early Warning for the Security of Civil Air Defense Alarming Terminal Based on Internet of Things Technology

Author: LiJing
Tutor: WangDeXing
School: Qingdao Technological University
Course: Applied Computer Technology
Keywords: Things technology Pyroelectric infrared sensor The Zigbee Wireless network technology SCM ISD1820P
CLC: TP277
Type: Master's thesis
Year: 2010
Downloads: 162
Quote: 0
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Abstract


Civil air defense alert is an important part of urban public safety, usually used for disaster relief and sudden accident case disaster forecasting and emergency notification, wartime for civil air defense, the people's governments at all levels of People's Air Defense Command, organize evacuations The basic means. Our air defense sirens often due to regulatory Yan Fasheng theft accident or criminals malicious actions, even due to poor management and the implementation of the system is not in place, staff sloppy, not familiar with the business, illegal operation occurs sirens mistaken ring, stolen, destroyed the accident. These incidents are not only serious damage to the seriousness of the air-raid sirens, authoritative, and seriously disrupted the normal work, study and life of the people of the city, causing very serious consequences and impact, and serious damage to the image of the government departments. Of Things sensor technology and Zigbee wireless network technology for civil air defense wireless alarm control system to improve the security of the sirens become current urgent task. This project is to expand based on the project in Qingdao civil air defense alert wireless remote control system, civil air defense warning system is designed according to the civil air defense warning system, safety warning system. As a basis, this topic first study the current situation of the domestic and international development of the Internet of Things technology, a detailed study of the sensor technology in the Internet of Things technology, in-depth understanding of the infrared sensor works based on, select the wavelength of the infrared radiation on the human body more sensitive to heat pyroelectric infrared sensor as infrared sensing element of the system. Depth study based on Zigbee wireless network technologies, including the the Zigbee network's topology, networking, after careful comparison and study, and ultimately select of Shun Zhou Network Technology Co., Ltd. in Shanghai SZ05 series wireless communication module as a wireless networking module. The whole system is divided into four parts: the network transmission module, infrared detection module, a voice warning module, single-chip control module. Infrared detection module detected near the target signal to the microcontroller, the microcontroller drive voice alarm module during a voice alert to detect whether the password input to the Zigbee wireless network at the same time send a message back to the PC by management platform The received message processing and response.

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CLC: > Industrial Technology > Automation technology,computer technology > Automation technology and equipment > Automation systems > Monitoring, alarm,fault diagnosis system
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