本文選題：訪客門禁系統(tǒng)　切入點(diǎn)：SX1278無(wú)線模塊　出處：《安徽理工大學(xué)》2017年碩士論文　論文類型：學(xué)位論文

【摘要】：隨著科學(xué)技術(shù)和經(jīng)濟(jì)的發(fā)展,人們的活動(dòng)范圍不僅擴(kuò)大了,而且人與人之間的往來(lái)也越來(lái)越密切。同時(shí),大型企業(yè)、高校、政府等之間的訪問(wèn)活動(dòng)越來(lái)越頻繁。但是有些單位內(nèi)部有一些機(jī)要部門或者是重點(diǎn)保護(hù)區(qū)域不允許訪客隨便進(jìn)入,隨之而來(lái)的訪客管理問(wèn)題成為企業(yè)管理中的又一個(gè)難題。因此,為了限制訪客的活動(dòng)范圍,保護(hù)人們的財(cái)產(chǎn)與生命安全,應(yīng)用于訪客管理的門禁系統(tǒng)也應(yīng)運(yùn)而生。本課題分析了國(guó)內(nèi)外門禁系統(tǒng)的發(fā)展歷史與現(xiàn)狀,針對(duì)世界人民之間的交流日益頻繁化、多樣化,提出了一種用于智能訪客管理的門禁系統(tǒng)。這個(gè)是在大型企業(yè)、政府等在實(shí)行的。訪客人員首先需要在門口登記訪客人員的個(gè)人信息、被訪人員等,然后管理員發(fā)給訪客一張已經(jīng)登記好的RFID射頻卡,根據(jù)訪客登記的信息,持卡人只能通過(guò)登記的指定樓棟的門禁,該卡對(duì)其他樓棟的門禁不起作用。此外,由于訪客人員只能分發(fā)一張卡,如果訪客人員臨時(shí)起意想去拜訪其他非登記樓棟的人員,需要重新到門口登記,這樣不僅浪費(fèi)時(shí)間,而且也不利于企業(yè)形象。因此,系統(tǒng)通過(guò)添加一個(gè)GSM模塊實(shí)現(xiàn)被訪問(wèn)人員/管理員通過(guò)手機(jī)主動(dòng)開啟門禁的功能。這樣一來(lái),就可以實(shí)現(xiàn)門禁卡與手機(jī)遠(yuǎn)程控制雙重開啟門禁的功能。本論文首先對(duì)用于智能訪客管理的門禁系統(tǒng)所用到的理論基礎(chǔ)知識(shí)進(jìn)行介紹,選用低功耗廣域物聯(lián)網(wǎng)(Low Power Wide Aera Network,LPWAN)范疇的LoRa技術(shù)組建無(wú)線射頻網(wǎng)絡(luò),LoRa技術(shù)具有超低功耗、超遠(yuǎn)距離傳輸?shù)奶攸c(diǎn),滿足本系統(tǒng)對(duì)功耗、距離的要求。整個(gè)系統(tǒng)由數(shù)據(jù)中心服務(wù)器、接入點(diǎn)AP以及訪客門禁終端三部分組成,在確定了系統(tǒng)的整體結(jié)構(gòu)之后,又給出了設(shè)計(jì)的系統(tǒng)硬件架構(gòu)。硬件架構(gòu)由兩部分組成,包括AP和訪客門禁終端,AP是服務(wù)器與訪客門禁終端通信的橋梁,服務(wù)器下發(fā)給門禁終端的命令以及門禁終端反饋給服務(wù)器的信息、請(qǐng)求命令等的實(shí)現(xiàn)都需要經(jīng)過(guò)AP的轉(zhuǎn)發(fā)。鑒于系統(tǒng)使用LoRa無(wú)線射頻技術(shù)組建廣域物聯(lián)網(wǎng)絡(luò),在此提出了適用于該網(wǎng)絡(luò)的組網(wǎng)策略。接著根據(jù)智能訪客門禁終端要實(shí)現(xiàn)的功能,設(shè)計(jì)了適合該終端的硬件電路,并且按照模塊化的設(shè)計(jì)思路設(shè)計(jì)了硬件電路各個(gè)模塊的軟件驅(qū)動(dòng)程序。軟硬件設(shè)計(jì)完成之后接下來(lái)就是對(duì)系統(tǒng)的調(diào)試,系統(tǒng)軟件調(diào)試之前需要對(duì)硬件進(jìn)行測(cè)試。在軟件調(diào)試的過(guò)程中分析程序的運(yùn)行結(jié)果,測(cè)試系統(tǒng)設(shè)計(jì)的硬件功能是否已經(jīng)實(shí)現(xiàn)。對(duì)于調(diào)試過(guò)程中出現(xiàn)的問(wèn)題,找出原因并逐步解決問(wèn)題,之后對(duì)程序進(jìn)行優(yōu)化,最終實(shí)現(xiàn)了用于智能訪客管理的門禁系統(tǒng)。
[Abstract]:With the development of science and technology and economy, the scope of people's activities has not only expanded, but also the contacts between people are getting closer and closer. At the same time, large enterprises, colleges and universities, Visits between governments and others are becoming more and more frequent. However, some units have some confidential departments or key protected areas that do not allow visitors to enter casually. Therefore, in order to limit the scope of visitors' activities and protect people's property and life safety, The access control system used in visitor management also came into being. This paper analyzes the development history and current situation of the access control system at home and abroad, aiming at the increasing frequency and diversification of communication among the people of the world. This paper proposes an access control system for intelligent visitor management. This is implemented in large enterprises, the government, and so on. Visitors first need to register the personal information of visitors at the door, the persons interviewed, and so on. Then the administrator sends the visitor a registered RFID radio frequency card. According to the information registered by the visitor, the cardholder can only pass the entrance control of the designated building registered, and the card does not work for the other buildings. In addition, Since visitors can only distribute one card, if visitors temporarily wish to visit other non-registered building staff, they need to re-register at the door, which is not only a waste of time, but also detrimental to the image of the company. By adding a GSM module, the system realizes the access control function of the person / administrator who is interviewed through the mobile phone. This paper first introduces the basic knowledge of the access control system used in intelligent visitor management. Using the low Power Wide Aera Network of things (LPWAN) LoRa technology to set up the radio frequency network has the characteristics of ultra-low power consumption and ultra-long distance transmission, which meets the requirements of the system for power consumption and distance. The whole system is composed of a data center server, the whole system is composed of a data center server, a data center server, a data center server, a data center server, a data center server, and a data center server. The access point AP and the visitor access terminal are composed of three parts. After determining the overall structure of the system, the hardware architecture of the system is given. The hardware architecture is composed of two parts. Including AP and visitor access terminal AP is the communication bridge between the server and the visitor access terminal, and the commands issued by the server to the access terminal and the information feedback from the access terminal to the server. Since the system uses LoRa wireless radio frequency technology to set up wide area WLAN, this paper puts forward a networking strategy suitable for this network. Then, according to the function of intelligent visitor access terminal, the realization of request command needs to be transmitted through AP. The hardware circuit suitable for the terminal is designed, and the software driver of each module of the hardware circuit is designed according to the modular design idea. After the hardware and software design is completed, the system is then debugged. Before the system software debugging, we need to test the hardware. In the process of software debugging, we analyze the running results of the program, test whether the hardware function of the system design has been realized. Find out the reason and solve the problem step by step, then optimize the program, and finally realize the access control system for intelligent visitor management.
【學(xué)位授予單位】：安徽理工大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2017
【分類號(hào)】：TU855;TU89

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