本文關(guān)鍵詞： 測井 系統(tǒng) CAN 協(xié)議 數(shù)據(jù)管理　出處：《安徽理工大學(xué)》2013年碩士論文　論文類型：學(xué)位論文

【摘要】：本文提出了一種新的測井系統(tǒng)的設(shè)計方案,整個測井系統(tǒng)分為孔中和孔外兩部分。我們將孔中系統(tǒng)的數(shù)據(jù)采集層和孔外系統(tǒng)的數(shù)據(jù)傳輸層分為兩個獨(dú)立層次結(jié)構(gòu)。數(shù)據(jù)采集層和數(shù)據(jù)傳輸層之間的通信部分采用了CAN總線的方式。采用這樣的層次結(jié)構(gòu)使得數(shù)據(jù)采集層的擴(kuò)展成為了可能,進(jìn)行一次下井探測就可以同時完成軌跡、自然伽馬、電阻率等多項測井任務(wù)。屏蔽電纜長距離通信的抗干擾能力同時保證了通信的可靠性；數(shù)據(jù)傳輸層與PC主機(jī)通信部分引入串口通訊協(xié)議。 本系統(tǒng)的主要特點(diǎn)：結(jié)構(gòu)合理,方便了組裝與維護(hù)；本安防爆,具有低功耗的特性；實現(xiàn)有纜和無纜兩種方式測井；設(shè)計CAN總線應(yīng)用層協(xié)議,實現(xiàn)了多個探管的協(xié)同工作,提高了數(shù)據(jù)傳輸?shù)膶崟r性和穩(wěn)定性；編寫上位機(jī)軟件,實現(xiàn)人機(jī)交互。 經(jīng)過實驗室和礦井現(xiàn)場的檢驗,本系統(tǒng)適合井下全方位、復(fù)雜耦合介質(zhì)鉆孔的探測,尤其適用于仰孔、干孔的測量。系統(tǒng)的測試結(jié)果表明,我們所設(shè)計的系統(tǒng)穩(wěn)定、可靠、擴(kuò)展靈活,具有較好的實用價值,可以很好的滿足煤礦企業(yè)的需要,值得在煤礦企業(yè)推廣使用。我們期望通過本測井系統(tǒng)的開發(fā)與應(yīng)用,能夠?qū)ξ覈禾餃y井系統(tǒng)的發(fā)展和煤炭的綜合開發(fā)與利用做出一些貢獻(xiàn)。 本文開始首先論述了測井系統(tǒng)的應(yīng)用背景、意義和一些測井的原理知識；然后介紹了本測井系統(tǒng)的整體構(gòu)架,對探管控制節(jié)點(diǎn)和上位機(jī)主控制站的硬件構(gòu)架作了重點(diǎn)說明。并介紹了本系統(tǒng)的軟件設(shè)計方案；然后介紹了本系統(tǒng)的硬件設(shè)計,重點(diǎn)介紹了測斜探管控制節(jié)點(diǎn)和上位機(jī)主控板的各功能模塊的實現(xiàn)；然后就本測井系統(tǒng)的軟件實現(xiàn)做了相關(guān)介紹,重點(diǎn)論述了探管控制節(jié)點(diǎn)各模塊的軟件編寫。同時介紹了本系統(tǒng)中CAN總線和串口的通訊協(xié)議的應(yīng)用與實現(xiàn)；最后介紹了本系統(tǒng)在礦井現(xiàn)場的進(jìn)行的實際功能的測試,分析了系統(tǒng)調(diào)試過程中存在的問題以及今后工作努力的方向。
[Abstract]:In this paper, a new design scheme of logging system is presented. The whole logging system is divided into two parts: the data acquisition layer in the hole system and the data transmission layer outside the hole. The communication between the data acquisition layer and the data transmission layer is divided into two independent hierarchies. The CAN bus is adopted. This hierarchical structure makes it possible to extend the data collection layer. A single downhole detection can complete the trajectory at the same time, natural gamma, resistivity and other logging tasks. The anti-interference ability of shielded cable long distance communication also ensures the reliability of communication. Serial communication protocol is introduced in the part of communication between data transfer layer and PC host. The main features of the system are as follows: reasonable structure, convenient assembly and maintenance, low power consumption, low power consumption, low power consumption, cable and no cable logging, design of CAN bus application layer protocol, and cooperative work of multiple probe tubes, the main features of the system are as follows: (1) the system has a reasonable structure, which is convenient for assembly and maintenance, and has the characteristics of low power consumption. The real-time and stability of data transmission is improved, and computer software is written to realize man-machine interaction. The system is suitable for borehole detection of all-directional and complex coupling medium, especially for the measurement of upside-hole and dry-hole. The test results of the system show that the system designed is stable and reliable. The expansion is flexible, has the good practical value, may satisfy the coal mine enterprise's need very well, is worth popularizing use in the coal mine enterprise. We hope through this logging system development and the application, It can make some contributions to the development of coalfield logging system and the comprehensive development and utilization of coal in China. At the beginning of this paper, the application background, significance and some knowledge of logging principle of logging system are discussed, and then the whole structure of this logging system is introduced. The hardware structure of the pipe probe control node and the main control station of the upper computer is explained emphatically. The software design scheme of the system is introduced, and the hardware design of the system is introduced. The realization of each function module of the control node and the main control board of the upper computer is introduced emphatically, and the software realization of the logging system is introduced. The software programming of each module of pipe probe control node is discussed emphatically. The application and realization of communication protocol between CAN bus and serial port in this system are introduced. Finally, the actual function test of the system in mine field is introduced. The problems existing in the debugging process of the system and the direction of the future work are analyzed.
【學(xué)位授予單位】：安徽理工大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2013
【分類號】：TD175

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