基于ZigBee的無線智能鎖系統(tǒng)設計
發(fā)布時間:2018-05-30 02:00
本文選題:ZigBee + CC2530。 參考:《杭州電子科技大學》2014年碩士論文
【摘要】:隨著生活水平的不斷提高,人們對于家居安全的需求越來越高,普通的機械鎖對于防范現(xiàn)代化的入室盜竊顯得越來越無力。而且,安全措施的強度直接體現(xiàn)的是個人的身份和地位。電子智能鎖使用新一代的門禁識別技術(shù)(包括密碼、指紋、虹膜等)大大改善家居安全的同時新的問題也開始顯現(xiàn)。門鎖在遭到攻擊時,用戶卻無從知曉,直接導致各種盜竊案件居高不下。 文中提出了一種基于ZigBee網(wǎng)絡的物聯(lián)網(wǎng)無線智能鎖系統(tǒng)。在這套系統(tǒng)中,你家的智能鎖是與小區(qū)物業(yè)管理處通過無線網(wǎng)絡連通的。智能鎖的打開、關閉等信息都實時存儲在小區(qū)物業(yè)數(shù)據(jù)管理中心,你可以隨時進行查閱或者對非法開門信息進行跟蹤。系統(tǒng)還提供了智能鎖網(wǎng)絡狀態(tài)報告功能,確保網(wǎng)絡中的智能鎖掉線之后能夠及時的發(fā)現(xiàn)和維護,保障智能鎖的安全運行。智能鎖還提供了完備的實時監(jiān)控機制,任何人對智能鎖的任何操作都在你的掌握中。 本文首先分析了現(xiàn)有智能鎖技術(shù)存在的不足,提出云無線智能鎖在這些方面的優(yōu)越性。根據(jù)智能鎖系統(tǒng)的方案需求,分析并設計系統(tǒng)整體框架,又進一步給出具體實現(xiàn)方案。基于系統(tǒng)方案的低功耗、低成本等特點以及單芯片方案應用于本系統(tǒng)的優(yōu)勢,最終選擇TI公司推出的ZigBee片上系統(tǒng)CC2530芯片作為開發(fā)平臺以及網(wǎng)狀網(wǎng)的ZigBee網(wǎng)絡拓補結(jié)構(gòu)。重點介紹了智能鎖系統(tǒng)應用功能模塊軟件設計,包括協(xié)調(diào)器建立網(wǎng)絡,終端節(jié)點加入網(wǎng)絡,串口交互,網(wǎng)絡安全,串口API數(shù)據(jù)幀,固件升級等。 最后對智能鎖系統(tǒng)做了全面的可靠性測試。主要包括對智能鎖系統(tǒng)的功能測試,點對點的通信距離、丟包率的測試,智能鎖模塊的低功耗測試,大量節(jié)點的網(wǎng)絡測試等。測試中根據(jù)應用需求模擬了智能鎖的實際工作環(huán)境,并使用抓包軟件對相關數(shù)據(jù)的傳輸進行實時的跟蹤監(jiān)控。
[Abstract]:With the improvement of living standard, the demand for household safety is higher and higher, and the common mechanical lock is more and more powerless to prevent the modern burglary. Moreover, the intensity of security measures directly reflects the identity and status of individuals. Electronic smart locks use a new generation of access guard identification technologies (including passwords, fingerprints, iris, etc.) to dramatically improve home security and new problems are emerging. When the door lock is attacked, the user does not know, which directly leads to a high number of theft cases. In this paper, a wireless intelligent lock system based on ZigBee network is proposed. In this system, your home's intelligent lock is connected to the residential property management via wireless network. Intelligent lock opening, closing and other information are stored in real time in the residential property data management center, you can access at any time or to track the illegal door information. The system also provides the intelligent lock network status report function to ensure that the intelligent lock in the network can be found and maintained in time and ensure the safe operation of the intelligent lock. Smart locks also provide a complete real-time monitoring mechanism, any operation of anyone on the intelligent lock is in your grasp. This paper first analyzes the shortcomings of the existing intelligent lock technology and proposes the superiority of cloud wireless intelligent lock in these aspects. According to the requirement of intelligent lock system, the whole frame of the system is analyzed and designed. Based on the characteristics of low power consumption and low cost of the system and the advantages of single chip scheme applied in this system, the CC2530 chip of ZigBee chip developed by TI Company was chosen as the development platform and the ZigBee network supplement structure of mesh network was used as the development platform. This paper mainly introduces the software design of the application function module of the intelligent lock system, including the establishment of the network by the coordinator, the addition of the terminal node to the network, the serial port interaction, the network security, the serial port API data frame, the firmware upgrade and so on. Finally, the reliability of the intelligent lock system is tested. It mainly includes the function test of intelligent lock system, the point to point communication distance, the test of packet loss rate, the low power test of intelligent lock module, the network test of a large number of nodes and so on. The actual working environment of intelligent lock is simulated according to the application requirement, and the real-time tracking and monitoring of relevant data transmission is carried out by using packet catching software.
【學位授予單位】:杭州電子科技大學
【學位級別】:碩士
【學位授予年份】:2014
【分類號】:TS914.211.7;TN92
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