本文關(guān)鍵詞： 漏水檢測(cè)儀 無線傳輸 CC2530 DSPIC30F6014A　出處：《內(nèi)蒙古師范大學(xué)》2017年碩士論文　論文類型：學(xué)位論文

【摘要】：我國(guó)水資源的浪費(fèi)情況十分嚴(yán)重,供水管道的泄露也會(huì)造成浪費(fèi)。為了避免不必要的浪費(fèi),就要對(duì)輸水管道的漏水檢測(cè)技術(shù)進(jìn)行研究。本文設(shè)計(jì)的漏水檢測(cè)儀采用兩個(gè)壓電傳感器探頭采集漏水聲音信號(hào),并通過各自的無線發(fā)送模塊把轉(zhuǎn)化后的數(shù)字信號(hào)發(fā)送到主機(jī)模塊,在主機(jī)模塊中對(duì)兩路聲音信號(hào)進(jìn)行濾波處理后,用相關(guān)算法計(jì)算漏水點(diǎn)位置,在LCD中顯示。本設(shè)計(jì)主要包括無線傳輸模塊和主機(jī)模塊兩大部分。無線傳輸部分采用CC2530為核心芯片,在數(shù)據(jù)傳送之前,先對(duì)信號(hào)進(jìn)行A/D轉(zhuǎn)換,轉(zhuǎn)換后的信號(hào)通過CC2530的RF無線電發(fā)送到主機(jī)模塊,該模塊有接收模塊進(jìn)行數(shù)據(jù)的接收。一個(gè)接收模塊兩個(gè)發(fā)送模塊組成了一個(gè)ZigBee網(wǎng)絡(luò),在這個(gè)網(wǎng)絡(luò)中實(shí)現(xiàn)數(shù)據(jù)的接收發(fā)送功能。硬件軟件設(shè)計(jì)完成后,用MATLAB模擬漏水信號(hào),并將其導(dǎo)入無線發(fā)送模塊進(jìn)行無線傳輸模塊的功能測(cè)試。經(jīng)測(cè)試,數(shù)據(jù)傳輸成功。主機(jī)部分采用DSPIC30F6014A為核心芯片,與接收模塊的CC2530用異步串口連接,實(shí)現(xiàn)數(shù)據(jù)的傳輸。主機(jī)完成信號(hào)的濾波、相關(guān)算法的計(jì)算及漏水信號(hào)的LCD顯示等功能。信號(hào)的濾波采用小波濾波加自適應(yīng)濾波的方法,目的是濾除不同類型的噪聲;濾波后兩路信號(hào)進(jìn)行相關(guān)算法,根據(jù)相關(guān)函數(shù)的最大值可以計(jì)算出漏水點(diǎn)的位置;計(jì)算出的漏水位置最后通過LCD顯示。本文整體結(jié)構(gòu)分為六章:第一章緒論介紹了本課題的研究背景及意義、研究現(xiàn)狀、研究?jī)?nèi)容及組織結(jié)構(gòu);第二章首先闡述了本設(shè)計(jì)的總體方案,之后從無線模塊和主機(jī)模塊兩個(gè)方面提出設(shè)計(jì)方案,并介紹設(shè)計(jì)中用到的相關(guān)理論;第三章是系統(tǒng)的硬件設(shè)計(jì),分為無線發(fā)送模塊和主機(jī)模塊兩個(gè)部分;第四章是系統(tǒng)的軟件設(shè)計(jì),分為無線傳輸模塊和主機(jī)模塊兩個(gè)部分;第五章對(duì)兩個(gè)模塊進(jìn)行了實(shí)際測(cè)試,測(cè)試結(jié)果表明本文設(shè)計(jì)方案可行。第六章對(duì)本設(shè)計(jì)的研究?jī)?nèi)容進(jìn)行總結(jié)、提出研究的不足、今后研究方向的展望。
[Abstract]:The waste of water resources in our country is very serious, the leakage of water supply pipeline will also cause waste. In order to avoid unnecessary waste. It is necessary to study the leak detection technology of water conveyance pipeline. The leakage detector designed in this paper uses two piezoelectric sensors to collect leakage sound signals. The transformed digital signal is sent to the host module through the respective wireless transmission module. After the two channels of sound signal are filtered in the host module, the location of the leakage point is calculated by the correlation algorithm. Display in LCD. This design mainly includes two parts: wireless transmission module and host module. The wireless transmission part uses CC2530 as the core chip, before the data transfer. First, the signal is converted to A / D, and the converted signal is transmitted to the host module via the RF radio of the CC2530. This module has the receiving module to receive the data. A receiving module and two sending modules constitute a ZigBee network. In this network, the data receiving and transmitting function is realized. After the hardware and software design is completed. The leakage signal is simulated by MATLAB and imported into the wireless transmission module to test the function of the wireless transmission module. The data transmission is successful. The host part uses DSPIC30F6014A as the core chip, and the CC2530 of the receiving module is connected with the asynchronous serial port to realize the data transmission. The host computer completes the signal filtering. The calculation of correlation algorithm and the LCD display of leakage signal are performed. Wavelet filtering and adaptive filtering are used to filter different types of noise. After filtering, the correlation algorithm is used to calculate the location of the leakage point according to the maximum value of the correlation function. The overall structure of this paper is divided into six chapters: the first chapter introduces the research background and significance, research status, research content and organizational structure; In the second chapter, the overall scheme of the design is introduced firstly, then the design scheme is put forward from two aspects of wireless module and host module, and the relevant theories used in the design are introduced. The third chapter is the hardware design of the system, which is divided into wireless transmission module and host module. Chapter 4th is the software design of the system, which is divided into wireless transmission module and host module. In Chapter 5th, two modules are tested, and the results show that the design is feasible. Chapter 6th summarizes the research contents of this design, puts forward the deficiency of the research and the prospect of the future research direction.
【學(xué)位授予單位】：內(nèi)蒙古師范大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2017
【分類號(hào)】：TU991.36;TN92;TP212.9

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