本文選題：地震檢波器　切入點(diǎn)：測(cè)試儀　出處：《天津科技大學(xué)》2015年碩士論文

【摘要】：在煤炭和石油等礦產(chǎn)資源的地震勘探中,地震檢波器是用于接收地震信息的首要環(huán)節(jié),檢波器的性能優(yōu)劣直接影響到地震勘探的后續(xù)環(huán)節(jié)和最終結(jié)果的準(zhǔn)確性。由于能源勘探的難度越來(lái)越大,寬頻地震檢波器和高精度的傳統(tǒng)檢波器不斷被應(yīng)用,檢波器的指標(biāo)控制也愈加嚴(yán)格。因此需要專用的檢波器測(cè)試儀對(duì)檢波器從半成品到成品進(jìn)行檢測(cè),控制好檢波器的質(zhì)量,提高地震勘探質(zhì)量。本課題研究設(shè)計(jì)的地震檢波器測(cè)試系統(tǒng)在測(cè)量寬頻地震檢波器的同時(shí)也可以測(cè)量傳統(tǒng)地震檢波器,實(shí)現(xiàn)檢波器多功能多參數(shù)的測(cè)量。本課題主要完成的工作如下:第一,在研究動(dòng)圈式地震檢波器的工作原理和其機(jī)械結(jié)構(gòu)的基礎(chǔ)上,確定了過(guò)阻尼檢波器和欠阻尼檢波器的測(cè)試方法,完成了檢波器測(cè)試系統(tǒng)的整體測(cè)試模型的建立。第二,根據(jù)構(gòu)建的測(cè)試模型,對(duì)測(cè)試儀的硬件電路進(jìn)行研究設(shè)計(jì),硬件電路包括前置電路、數(shù)據(jù)采集電路、主控電路及外圍設(shè)備模塊。采用了 TI公司的MSP430F2274單片機(jī)構(gòu)成數(shù)據(jù)采集板,三星公司的ARM11內(nèi)核S3C6410構(gòu)成嵌入式系統(tǒng)板,完成了 PCB板的設(shè)計(jì)制作。第三,對(duì)檢波器測(cè)試儀的軟件進(jìn)行設(shè)計(jì),完成了系統(tǒng)模塊化程序、控制程序和通訊程序的編寫,實(shí)現(xiàn)了對(duì)測(cè)試系統(tǒng)的數(shù)據(jù)采集控制。結(jié)合測(cè)試儀的硬件設(shè)計(jì),實(shí)現(xiàn)了對(duì)檢波器直流電阻、阻尼系數(shù)、靈敏度和失真度等性能參數(shù)的測(cè)試。第四,完成了對(duì)地震檢波器測(cè)試系統(tǒng)的性能測(cè)試。利用測(cè)試儀對(duì)寬頻動(dòng)圈式檢波器和傳統(tǒng)動(dòng)圈式檢波器的各項(xiàng)性能參數(shù)進(jìn)行跟蹤測(cè)量,將測(cè)試參數(shù)與標(biāo)準(zhǔn)參數(shù)進(jìn)行比較,經(jīng)驗(yàn)證符合檢波器測(cè)試儀國(guó)家標(biāo)準(zhǔn),并且測(cè)試儀的準(zhǔn)確性、重復(fù)性、抗干擾等各項(xiàng)性能指標(biāo)良好。本測(cè)試儀采用直流激勵(lì)和交流激勵(lì)組合的方式進(jìn)行測(cè)試,應(yīng)用程序運(yùn)行在操作系統(tǒng)WINCE6.0的軟件環(huán)境下,并采用設(shè)計(jì)的過(guò)阻尼檢波器測(cè)試算法處理采集數(shù)據(jù);它具有精度高,功耗小,人機(jī)交互界面良好等優(yōu)點(diǎn)。
[Abstract]:In the seismic exploration of mineral resources such as coal and petroleum, seismic geophone is the primary link for receiving seismic information. The performance of geophone directly affects the follow-up link of seismic exploration and the accuracy of the final result. Because of the increasing difficulty of energy exploration, broadband seismograph and high-precision traditional geophone are used continuously. Therefore, a special geophone tester is needed to test the geophone from semi-finished product to finished product to control the quality of the geophone. To improve the quality of seismic exploration. The seismic geophone test system designed in this paper can measure the traditional geophone as well as the broadband seismometer. The main work of this thesis is as follows: first, on the basis of studying the working principle and mechanical structure of the movable coil seismograph, The testing methods of overdamped geophone and underdamped geophone are determined, and the overall test model of the geophone testing system is established. Secondly, according to the test model, the hardware circuit of the tester is studied and designed. The hardware circuit includes the front circuit, the data acquisition circuit, the main control circuit and the peripheral equipment module. The data acquisition board is composed of TI MSP430F2274 single chip microcomputer, the Samsung ARM11 kernel S3C6410 is the embedded system board, the hardware circuit is composed of the front circuit, the data acquisition circuit, the main control circuit and the peripheral equipment module. The design and manufacture of PCB board is completed. Thirdly, the software of geophone tester is designed, and the system modularization program, control program and communication program are completed. The data acquisition control of the test system is realized. Combined with the hardware design of the tester, the performance parameters such as the DC resistance, damping coefficient, sensitivity and distortion of the geophone are tested. The performance test of seismic geophone testing system is completed. The performance parameters of wideband coil geophone and traditional moving-coil geophone are tracked and measured by the tester, and the test parameters are compared with the standard parameters. It is proved to be in accordance with the national standard of geophone tester, and the accuracy, repeatability and anti-interference of the tester are good. The instrument adopts the combination of DC excitation and AC excitation. The application program runs in the software environment of operating system WINCE6.0, and uses the designed over-damping detector test algorithm to process the collected data, which has the advantages of high precision, low power consumption, good man-machine interface and so on.
【學(xué)位授予單位】：天津科技大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2015
【分類號(hào)】：P631.436

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