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基于ZigBee技術(shù)的實(shí)驗(yàn)室安防監(jiān)測(cè)系統(tǒng)

發(fā)布時(shí)間:2018-09-14 18:46
【摘要】:隨著高校教學(xué)水平的提高,實(shí)驗(yàn)室在教學(xué)和科研中發(fā)揮著越來越重要的作用,而實(shí)驗(yàn)室的各種設(shè)備往往價(jià)格昂貴,同時(shí)對(duì)環(huán)境又有某些特殊要求,因此,能否保證實(shí)驗(yàn)環(huán)境的穩(wěn)定、實(shí)驗(yàn)儀器的正常運(yùn)轉(zhuǎn)和儀器的財(cái)產(chǎn)安全,對(duì)高校的科研進(jìn)步和管理水平具有重要意義。因此,迫切尋求一種合理而有效的技術(shù),使得以較低的成本來保障實(shí)驗(yàn)室的安全,是高校實(shí)驗(yàn)室環(huán)境所亟待解決的問題。 在現(xiàn)代短距離無線通信技術(shù)發(fā)展日新月異的背景下,本課題面向應(yīng)用為中心,遵循系統(tǒng)穩(wěn)定性、可靠性、靈活性的原則,以時(shí)下最流行的物聯(lián)網(wǎng)技術(shù)——ZigBee無線通信技術(shù)為核心,組建成本低、覆蓋范圍廣、組網(wǎng)智能化的無線傳感網(wǎng)絡(luò)。通過終端節(jié)點(diǎn)攜帶多種傳感器,,定時(shí)進(jìn)行數(shù)據(jù)采集發(fā)送至協(xié)調(diào)器節(jié)點(diǎn),同時(shí)依靠高校的校園網(wǎng)資源,將無線傳感網(wǎng)的采集數(shù)據(jù)通過基于ARM構(gòu)架的以太網(wǎng)網(wǎng)關(guān)發(fā)送至校園網(wǎng)內(nèi)的服務(wù)器主機(jī),安保人員則可以通過客戶端上位機(jī)實(shí)現(xiàn)校園網(wǎng)內(nèi)任意地點(diǎn)的遠(yuǎn)程監(jiān)測(cè),大大提高了實(shí)驗(yàn)室遠(yuǎn)程監(jiān)測(cè)的靈活性和可靠性。 本文主要完成了以下工作: (1)分析了系統(tǒng)的整體結(jié)構(gòu)和功能需求,并對(duì)ZigBee網(wǎng)絡(luò)節(jié)點(diǎn)和以太網(wǎng)網(wǎng)關(guān)的硬件進(jìn)行了設(shè)計(jì)。 (2)對(duì)ZigBee的三種類型節(jié)點(diǎn)的軟件協(xié)議棧進(jìn)行了軟件設(shè)計(jì)和功能定制,實(shí)現(xiàn)了終端節(jié)點(diǎn)定時(shí)休眠喚醒并對(duì)溫濕度、人體紅外、煙塵濃度、火焰探測(cè)、門磁等信息的采集,并匯總至協(xié)調(diào)器節(jié)點(diǎn)。通過對(duì)以太網(wǎng)網(wǎng)關(guān)控制器的軟件設(shè)計(jì),實(shí)現(xiàn)了將采集數(shù)據(jù)發(fā)送至以太網(wǎng)服務(wù)器的功能。 (3)在VC6.0的中,使用MFC的CSocket類進(jìn)行網(wǎng)絡(luò)通信編程,設(shè)計(jì)了服務(wù)端和客戶端的上位機(jī)軟件,實(shí)現(xiàn)了服務(wù)端的多ZigBee網(wǎng)絡(luò)數(shù)據(jù)匯總、多客戶端連接和網(wǎng)絡(luò)通信功能,通過客戶端實(shí)現(xiàn)校園網(wǎng)內(nèi)對(duì)實(shí)驗(yàn)室環(huán)境的遠(yuǎn)程監(jiān)測(cè)。
[Abstract]:With the improvement of teaching level in colleges and universities, laboratories are playing more and more important roles in teaching and scientific research. Whether we can guarantee the stability of the experimental environment, the normal operation of the experimental instruments and the property safety of the instruments is of great significance to the scientific research progress and management level of colleges and universities. Therefore, it is urgent to seek a reasonable and effective technology to ensure the safety of the laboratory at low cost, which is an urgent problem to be solved in the laboratory environment of colleges and universities. Under the background of the rapid development of modern short-range wireless communication technology, the subject is application-oriented and follows the principles of system stability, reliability and flexibility. ZigBee wireless communication technology, which is the most popular technology of the Internet of things nowadays, is the core of the wireless sensor network with low cost, wide coverage and intelligent networking. Through the terminal node carrying a variety of sensors, timing data collection to the coordinator node, while relying on the campus network resources, The data collected from the wireless sensor network is transmitted to the server host in the campus network through the Ethernet gateway based on the ARM architecture, and the security personnel can realize remote monitoring of any location in the campus network through the client PC. The flexibility and reliability of remote monitoring in laboratory are greatly improved. The main work of this paper is as follows: (1) the overall structure and functional requirements of the system are analyzed. The hardware of the ZigBee network node and the Ethernet gateway is designed. (2) the software design and function customization of the software protocol stack of the three types of ZigBee nodes are carried out. Infrared, smoke concentration, flame detection, door magnetism and other information collection, and summarized to the coordinator node. Through the software design of Ethernet gateway controller, the function of transmitting the collected data to Ethernet server is realized. (3) in VC6.0, the CSocket class of MFC is used for network communication programming. The upper computer software of server and client is designed to realize multi-ZigBee network data aggregation, multi-client connection and network communication, and to realize remote monitoring of laboratory environment in campus network through client.
【學(xué)位授予單位】:中北大學(xué)
【學(xué)位級(jí)別】:碩士
【學(xué)位授予年份】:2014
【分類號(hào)】:TP274;TN92

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