本文選題：ISM頻段 + 微功率��； 參考：《山東大學》2014年碩士論文

【摘要】：在熱量表行業(yè),隨著一戶一表和分戶計量工程的推行,使得遠程自動抄表通信系統(tǒng)應運而生。遠程自動抄表通信系統(tǒng)是目前熱力運營商通過遠程監(jiān)控、熱量采集、熱量分析、信息挖掘的遠程實時監(jiān)控系統(tǒng)；避免了人工抄表的諸多弊端,解決了熱力運營商收費難等問題。目前,熱量表遠程抄表系統(tǒng)大多采用結(jié)合GPRS設備的采集終端向網(wǎng)絡服務器傳輸數(shù)據(jù),從而實現(xiàn)遠程供熱信息的實時獲取。由于每個采集終端的負載能力有限,導致每棟樓必須配置一臺采集終端或者更多,鑒于GPRS設備的成本相對較高,使得這種方案在設備成本上不具備優(yōu)勢；另外,在用戶相對分散的區(qū)域,為了節(jié)省設備成本,允許多棟樓之間只配置一臺具備GPRS設備的采集終端,這樣又使得該方案在施工布線成本上不具備優(yōu)勢。隨著無線通信技術(shù)的發(fā)展,微功率無線技術(shù)越來越成熟,價格相對GPRS設備較低,能夠同時解決上述系統(tǒng)的諸多問題。本課題結(jié)合已經(jīng)分析出的系統(tǒng)問題,借助成本相對較低的微功率無線通信設備,設計開發(fā)了嵌入了微功率無線模塊的數(shù)據(jù)采集終端和數(shù)據(jù)集中單元,在此基礎(chǔ)上通過添加用于計量的熱量表和用于展示的管理軟件就構(gòu)成了微功率無線熱量表抄表系統(tǒng)。該系統(tǒng)由3層構(gòu)成,自底至頂依次為：熱計量層,熱量信息傳輸層,用熱信息統(tǒng)計分析及展示層。采用這種架構(gòu)設計的系統(tǒng)適用場景廣泛,尤其適合現(xiàn)在規(guī)模日益增大的居民小區(qū)。而且本文方案中,由于采集終端不含有GPRS設備,因而有效地控制了方案中設備的成本；同時采集終端與數(shù)據(jù)集中單元之間通過無線技術(shù)通信,也不需要進行布線施工改造,有效地節(jié)約了實施成本。對于熱量表和管理軟件為既有技術(shù),在本課題中只做簡單介紹。本文重點介紹了數(shù)據(jù)采集終端和數(shù)據(jù)集中單元的設計與開發(fā),其中包括電路原理圖的設計、硬件電路的調(diào)試、嵌入式程序的編寫、通訊協(xié)議的制定、功能單元測試及系統(tǒng)整體測試等工作。經(jīng)過實驗證明,該方案在設備成本上具有一定優(yōu)勢,實施上具備較好的可操作性,具有廣闊的應用前景和推廣價值。
[Abstract]:In the heat meter industry, with the implementation of one-meter and one-household metering project, the remote automatic meter reading communication system emerges as the times require. Remote automatic meter reading communication system is a remote real-time monitoring system for thermal operators through remote monitoring, heat acquisition, heat analysis and information mining, which avoids many disadvantages of manual meter reading and solves the problems of heating operators' charge. At present, the heat meter remote meter reading system mostly uses the collection terminal combined with GPRS equipment to transmit the data to the network server, thus realizes the remote heating information real-time acquisition. Because of the limited load capacity of each acquisition terminal, each building must be equipped with one or more acquisition terminals. In view of the relatively high cost of GPRS equipment, this scheme does not have an advantage in equipment cost. In order to save equipment cost, only one acquisition terminal with GPRS equipment is allowed to be installed between buildings in the area where users are relatively dispersed, which makes the scheme have no advantage in construction wiring cost. With the development of wireless communication technology, micro-power wireless technology is becoming more and more mature, and the price is lower than that of GPRS equipment, so it can solve many problems of the above system at the same time. With the help of the relatively low cost micro-power wireless communication equipment, the data acquisition terminal and data centralized unit embedded in the micro-power wireless module are designed and developed. On this basis, the micro-power wireless heat meter reading system is constructed by adding the heat meter for measurement and the management software for display. The system consists of three layers, from bottom to top: heat metering layer, heat information transmission layer, statistical analysis and display layer with thermal information. The system designed with this architecture is suitable for a wide range of scenarios, especially for the growing scale of residential areas. Moreover, the cost of the equipment in the scheme is effectively controlled because the acquisition terminal does not contain GPRS equipment, at the same time, the wireless communication between the acquisition terminal and the data centralized unit is not needed, and the wiring construction transformation is not necessary. The cost of implementation is saved effectively. For the heat meter and management software for the existing technology, in this subject only a brief introduction. This paper mainly introduces the design and development of data acquisition terminal and data centralized unit, including the design of circuit schematic, the debugging of hardware circuit, the writing of embedded program, the formulation of communication protocol. Function unit testing and system testing. It is proved by experiments that this scheme has some advantages in equipment cost, good maneuverability in implementation, and has broad application prospect and popularization value.
【學位授予單位】：山東大學
【學位級別】：碩士
【學位授予年份】：2014
【分類號】：TU995

【共引文獻】

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本文編號：1935921