GDQJ-2型固態(tài)地震動強度記錄儀MBA-30型三分向力平衡加速度計

GDQJ-2型固態(tài)地震動強度記錄儀MBA-30型三分向力平衡加速度計簡介及英文說明書

GDQJ-2型固態(tài)地震動強度記錄儀及傳感器技術(shù)指標(biāo)一、記錄器性能指標(biāo)數(shù)據(jù)采集通道數(shù)：3通道采樣率：50sps、100sps、200sps和400sps，程序可選通道延遲：0*動態(tài)范圍：大于100dB轉(zhuǎn)換精度：24bit低通濾波：內(nèi)置高陡度數(shù)字FIR濾波器。記錄器滿量程；±2.5v噪聲：1LSB傳感器接口：3通道接口。觸發(fā)方式：1)帶通濾波器(0.1Hz—15Hz)閾值觸發(fā)2)STA對LTA(比率或差值)STA一采樣的整數(shù)倍LTA—STA的整數(shù)倍,在記錄事件期間改變或箝位比率：1.5:1,2:1,3:1,4:1,6:1,8:1等差：1—32767A/D計數(shù)每一通道分別設(shè)定定時觸發(fā)、鍵盤觸發(fā)外觸發(fā)對所有的觸發(fā)方式可以加權(quán),投票表決或其他方式3．存儲記錄介質(zhì)：非易失的CMOSSRAM,基本16Mb或SD卡8G記錄能力：每Mb13分鐘,200SPS,3通道數(shù)據(jù)。事件預(yù)存儲：0—40秒,200SPS,3通道。以1秒為步長。后事件存儲：1—65000個A/D計數(shù)最小運行時間：同后事件存儲回放裝置：RS232連接，可以現(xiàn)場或MODEM遙控使用與IBM/PC兼容的微機通信軟件完成可連續(xù)記錄4．4．時間系統(tǒng)時鐘穩(wěn)定性：內(nèi)部時間系統(tǒng)10－6可選GPS同步到UTC精度1ms同步：1)鍵盤鍵入和輸出格式：yyyy-mm-ddhh:mm:sss2)連續(xù)和自動解碼到外部IRIG-E3)可選的內(nèi)部GPS接收器后備時鐘指示器：1PPS發(fā)光二極管5．烈度計報警預(yù)置：當(dāng)達到或超過預(yù)定值時,事件記錄完后對數(shù)據(jù)作必要的處理，通過MODEM自動撥號向中心發(fā)送有關(guān)信息和烈度值,并存儲這些信息。6．電源浮充電12V,12AH的電池功耗：等待狀態(tài)＜3w7．包括的軟件通信軟件：查看和設(shè)置參數(shù)查看和設(shè)置系統(tǒng)時間以及對時接收數(shù)據(jù)和管理存儲器診斷和檢查顯示軟件：記錄數(shù)據(jù)的快速查看和求值放大和縮小繪圖數(shù)據(jù)的統(tǒng)計摘要轉(zhuǎn)換軟件：將記錄數(shù)據(jù)轉(zhuǎn)換成標(biāo)準(zhǔn)的ASCII碼8．環(huán)境工作溫度：-10℃—+50℃相對濕度：90%（無冷凝）9.外形尺寸：35X26X16（cm）二、三分向力平衡加速度計性能指標(biāo)測量范圍±2g(±1g)靈敏度±1.25V/g(±2.5V/g)動態(tài)范圍>135dB噪聲<1.25|JV阻尼常數(shù)0.7輸出阻抗<1Q輸出電流8mA自振頻率80Hz(100Hz)頻帶0~80Hz(0~100Hz)靜態(tài)電流（三分向）<10mA橫向靈敏度1%og/g線性度＜滿刻度的1%使用溫度-25℃—+65℃相對濕度0~90%尺寸12X12X7.5cm重量2Kg溫度對靈敏度影響(-25℃?+50℃)<0.01%/℃溫度對零點影響(-20℃?+50℃)<0.1gal/℃電源電壓波動對零點影響(±12VDC±30%)<滿刻度0.01%電源電壓波動對靈敏度影響(±12VDC±30%)<滿刻度0.01%外形尺寸：18X18X16(cm)GDQJ-IIDigitalRecorderOperatingManualInstituteofEngineeringMechanics,ChinaEarthquakeAdministration,HarbinTableofContentsTOC\o"1-5"\h\zGettingStarted7Overview7Introduction7Configuring&OperatingInstruments9WorkingMode9Usingprocedure9Password9Communicationwithrecorder9Monitoringtherecorder10Real-timereceipt10Quitreal-timereceipt11Settingparameters11Triggerthreshold11Uploadthetriggerfile11Viewwaveform12RoutineMaintenance13Adjustthezerooffsetofaccelerometer13ReplacementBattery13CalibrationRecorderTime13FunctionTest14StatusCheck15Appendix16MBA-30Three-componentForceBalanceAccelerometer16performanceindex16Useandcalibrationoftheaccelerometer17GettingStartedOverviewThisUser’sManualcontainsinstructionsandinformationpertainingtoGDQJ-IIdigitalrecorders.Chapter1describesoverviewofGDQJ-IIdigitalrecorder.Chapter2describestheoveralloperationofrecorders.Chapter3describesthemaintenanceandserviceofrecorders.IntroductionGDQJ-IIisathreechanneldigitalrecorder.CombinedwithMBA-30triaxialforce-balanceaccelerometer,itcomposedastrongmotionseismographsystem.GPStimesystemandmodemremoteaccesssystemareoptionalcomponents.GDQJ-IIdigitalrecorderfeaturesathree-channel,24-bitADandDSPboardthatoffersapproximately120dBofdynamicrangeat200sps.Whenthegroundmotionaccelerationmeetsthetriggerconditions,therecordercanautomaticallyrecordthetimehistoryofevent.Afteroneeventisrecorded,adatafilewillbecreatedintherecorder’smemory,andthentherecordcomesintostandbymodeautomatically.Inadditiontorecordingtheaccelerationtimehistory,thisrecordercanalsoreporttheparametersrelatedtotheearthquakeintensityquickly.Ifthisfunctionisset,therecorderwillautomaticallyanalyzetherecordeddata.Thereferenceintensityandthedatarelatedtointensity,suchaspeakvalue,duration,mainperiod,andresponsespectraatfourfrequencies,canbetransmittedtodatacenterthroughMODEMortelemetry,orbyavisittotherecordersite.Therecordercanalsotransmitacontinuousstreamofdigitaldatainrealtime.Typically,therecordercontainsthefollowingcomponents:SystemelectroniccircuitboardArechargeablebattery(12V,12AH)GPStimesystemOEMcircuitboardThefrontpanelofthisrecorderisshowninFig.1-1.Therearepowerswitch,manualtriggerswitch,GPSantennaconnector,RS232andMODEMconnectorandsensorconnectoronthefrontpanel.Thepowersupplyofthisrecorderis12V,12AHbattery.Thebatteryshouldbechargedinalternatingcurrent220v.Aftertheparametersaresetcorrectly,therecordercanworkautomatically.ThesensorusedwiththerecorderisMBA-30triaxialforcebalanceaccelerometermadebyIEMalso.

GDQJ-IIDigitalRecorder1ppsooGDQJ-IIDigitalRecorder1ppsSensorConnectorGPSAntennaConnectManualTriggerSwitchRS232andMODEMConnectorPowerSwitchTriggPoWvenndicatorIndicatorSensorConnectorGPSAntennaConnectManualTriggerSwitchRS232andMODEMConnectorPowerSwitchFig.1-1SchematicdiagramofthefrontpanelConfiguring&OperatingInstrumentsWorkingModeThedigitalrecorderhastwoworkingmode:triggerrecordermodeandreal-timemonitormode.Innormalwork,thedigitalrecordercommonlyusedtotriggerrecordmode.UsingprocedurePasswordFirst,turningonthepowerswitchandinputtingthepassword:“IEM9804”.CommunicationwithrecorderWhentruingonpowerswitch,thedigitalrecorderisworkingondataacquisitionstate.Therecordermonitorsthegroundmotioncontinuouslybytriaxialsensor.Whenthegroundmotionaccelerationmeetsthetriggerconditions,therecordercanautomaticallyrecordthetimehistoryofevent.WhenconnectingtherecorderwithmonitorcomputerviaRS232cable,theGDQJ4monitorprogrammecanberunninginthemonitorcomputer.Selectingthe“recordlist”iconandclickingrightmousebuttonwiththesub-stationandchoosingtheconnectioncommand,thenthe'messagebox'appearssub-stationconnectioninformation.Ifyoucansuccessfullyconnecttothesub-station,instrumentreceivescommands,andrespondsthecommands.FileSetHelpFileSetHelpQrecv0shoT0vriteHead0ansver0deletefile0dial0report0自I全I*+?Yb*SubstationnamentestInstrument…StatusCOM0NotbeconnectC0M51connectingthedigitalrecorder2.2.3Monitoringtherecorder利里aI-旗*-JG攵*…>berentedstate,PC口飛貳見吃暝WhenconnectingtherecorderwithPC,youcansendcommandtochangeitstatntomonitorstatus.Themeaningof'monitor'commandis:iftherecorderisreanevent,breakrecordingworkcansend'functioncheck','sta]andenterthemonitoringSjtate..Inmonitoriandmemorymanagementcommands.下tuscheck','Receivereal-timef_.產(chǎn)i,南丹W_gparameterscanclick,thejAcnowledge*setup’sbutton^only：f“meters、nbemodifiedand髯alidated擘Delete「幽corder'sstatechange'dSntothe'data^acqurecorderreceived./Jnonew)commansferredtothe*dataacqujsiji_order’ssfromthePCtorecorderwhmonitoringstate,triggerparaonlytakeintoactioninthereAfter30minutes,whenthedisconnectedwithPCandtrreal-timetransmissionmode)2.2.4Real-timereceipInmonitoringstate,selectiK轎!1-rq15nfrrf擊.一用雨.exceptfor南寧市tically靈山EJ浦江口：r..?jSenddwg'Receivereal-timefile'command,therecorderwilltransfertriaxialaccelerationdatatomonitorPCwith100sampleratepersecond.ToSubstationntestModeWotbeconnectstatusviewreal-timetransferringdata,youmovemouseinthesub-stationname,right-clickmousebuttonandselect'showwave',asshownbelowfigure.I時機I身國I道自J全［X+*Y+Y-tIMunitoringcuntreSubstationttModeRealti>etransaitstatusSendUploadthetriggerfileIntheconnectedsub-station,right-clickandselect'transmitfile',recordercanlisttheeventfilestoredinrecordermemory.Selectafile,itcanbetransferfromtherecordertothePCusing‘Uploadafile’.Inmonitoringstatus,youcandeleteafileorallfiles.Youcanalsorestoreadeletedfile.Ifthetriggerconditionsismeet,thetriggerfileiscreatedinrecorderanduploadedinthe'c:\data\TriggerFile'directory.ViewwaveformClick'File'menuandselect'Display'andselectwhichwaveformyouwantview.Thereal-timedatafilewaslocatedin'c:\data\sub-stationname'directory;thetriggerfilewaslocatedin'c:\data\TriggerFile'directory;whilethefunctioncheckfilewaslocatedin'c:\data\function'directory.Fig2-3showsthewaveforminyouPC,andFig2-4isthetoolboxofwaveform.increasea國muiinninninnninnnirniinniinnninniiniinniinniinnirniiiniinnninniinni20100330162156nt.relTotal3screensscreenlusedtolocktheprehidethecontroltochangetheoffseddisplaythepreviincreasea國muiinninninnninnnirniinniinnninniiniinniinniinnirniiiniinnninniinni20100330162156nt.relTotal3screensscreenlusedtolocktheprehidethecontroltocaptureashortrangdisplaywaveformipintthewaveformaddprintnote

RoutineMaintenanceAdjustthezerooffsetofaccelerometerIfthetriaxialforcebalanceaccelerometerchanneloffsetwasgreaterthan25mv,youshouldadjustitfollownextsteps.First,connectingthePCwiththedigitalrecordandrunningthemonitorprogramme,andchangingtherecorder’sstatusintomonitormode,thenclickingthe‘a(chǎn)djustsensoroffset’command,PCwilldisplaythethreechannelzerooffset.Unscrewtheprotectionscrewfromthesecnsor;usingthededicatedtooltoadjustthezerooffsetwithin25mv.Fig.3-1threechannelzerooffsetofaccelerometerReplacementBatteryInthecommonworkingenvironment,batterycanbereplacedeverythreeyears.Toohighortoolowenvironmenttemperaturewillshortthereplacementperiod.Thebatteryissealmaintenance-freeleadacidtype,specificationsfor12,V12AH.CalibrationRecorderTimeConnectingtherecorder,thenclickthesub-stationiconshortcutmenu,choose“showtime’commandanddisplaytherecordertime.Select‘settime’command,youcaninputthecorrecttimeintotherecorder.Fig.3-2setuprecordtimeFunctionTestInmonitoringmode,ifyouselect“functioncheck”item,thefollowingmessagewillbeshowninthebottomdialoguebox:‘StartingFunctionCheckout’.Atthesametime,thefollowingmessagewillalsobeshowninthestatusbarattherightbottomcornerofscreen:‘StartingFunctionCheckout’.Thentherecordersendsouttwosquarewaveswithintervaloftwosecondsandwidthoftwosecondstothesensors.TheDescendedgeofthefirstsquarewavecansendoutdampingsignaltothesensorsinordertocheckthenaturalfrequencyofthesensors.Atthesametime,therecorderrecordstherespondingwaveofthesensorstocheckthedampingratio.Thefunctioncheckwillbecompletedwithintwentyseconds,thefollowinginformationwillbesentbackandshownattherightbottomcorner:‘FunctionCheckoutImplementation’.Therecorderrecordstherespondingsignalofthesensor,andthenformsadatafileoffunctioncheckout,whichmaybetransmittedtothecomputerandthewaveformgraphillustratedasFig.3-3maybedisplayedonthescreen.

SubstationlistFig.33.5StatusCheckilili1531.58rtiv田63.16nivL931.5PnivInmonitoringmode,ifyouwillbesentbackandshownMomtormgcentre1563.16rhv315.79mVSeeCtb?ametimethefollowingmessa/creensscreenlSubstationlistFig.33.5StatusCheckilili1531.58rtiv田63.16nivL931.5PnivInmonitoringmode,ifyouwillbesentbackandshownMomtormgcentre1563.16rhv315.79mVSeeCtb?ametimethefollowingmessa/creensscreenlFig3-4statuscheckoutmessageThefirstlineindicatestherecordersserialnumber;andthesecondlineshowstheACpowerstatus;thebatteryvoltageinformationisdisplayedinthethirdline.Wherethelastthreelineareoffsetofthreechannels.

AppendixMBA-30Three-componentForceBalanceAccelerometer1performanceindex±2g(±2g(±1g)±1.25g(±三120dBw2.5uv0.7wi。MeasuringrangeSensitivity2.5v/g)DynamicrangeNoiseDampingconstantOutputimpedanceNaturalfrequency80HzFrequencybandwidth0-80HzStatic-stateelectriccurrent(three-component)^5mALateralsensitivity1%og/gDegreeoflinearity<1%offullscaleTemperatureStability-20℃--+55℃Humidity85%Size133x133x100mmWeight2.5kgEffectoftemperatureonsensitivity(-20℃~+55℃)^0.01%/℃Effectoftemperatureonzero(-20℃~55℃)^0.1gal/℃Effectofvoltagefluctuationonzero(±12VDC±20%)^fullscale0.01%

Effectofvoltagefluctuationonsensitivity(±12VDC±20%)^fullscale0.01%2UseandcalibrationoftheaccelerometerInstallationoftheaccelerometer.Thereareoneverticaldirectionandtwohorizontaldirectionsensorsintheaccelerometer,whichareorthogonaleachothertoformathree-axialsystem.Positivedirectionmustbepaidmoreattentionwheninstalled.Weprescribethesurfaceadheringlabeldirectingtoeast,theother2directionsareshowninFig.2.Thebasewithcontrollinglevermustbeconsideredwheninstalled.Alevelgaugeisequippedintheshelloftheinstruments.Itisrequiredtosetthelevelbubbleuntilitisinthelittleblackloop.Theaccelerometerisequippedwithappendedinstallationbaseplate,whichisfixedonthegroundbyboltswithdiameterof6mm.ThecableoftheaccelerometerTheaccelerometeradopts1419-type19-pinsocket,theleadsareallocatedasfollowings:Numberofpin123E-WNumberofpin123E-W611signal12N-S413signalU-D1518signal19ColorcategoryofleadbrownyellowtheoutmostshieldedlineBlueandthickShieldedlineoftheblueandthickBlackGreyandthickShieldedlineofgreyandthickRedandthickShieldedlineoftheredandthickWhiteFunction+12VDC-12VDCgroundlineofpowersignaloutputgroundlineofoutputundampedsignaloutputgroundlineofoutputsignaloutput

groundlineofoutputcalibrationConnectionoftheaccelerometerwiththerecorderAllcablesmustbecheckedcarefullytoassureallofthemareperfect,unwornandunbroken.Thesupplysourceandrecordershouldbeconnectedwellaccordingtotherequirementsofsection2.2.Aftercheckingthelineconnection,turnonthepowerswitchofrecorderandthenwaitforoneminute.Applymultimetertocheckthevoltagesbetweenoutputsignallineandgroundlineofeverycomponent.Thevoltages

shouldbecontrolledwithin10mV.Ifthevoltagesarebeyond50mv,theyshouldbeadjustedaccordingtosection2.7.CalibrationofthesensitivitySAstheoutputlowerlimitofmeasuringfrequencyoftheaccelerometeris0Hz,thegravityfieldmaybeusedtocalibratestaticallythesensitivityofaccelerometer.ThecalibrationmethodcanbelookeduptheFig.2.Afterthepowersupplyofaccelerometerisconnected,turntheaccelerometerover90leftandrightaroundtheaxisofeverysensoraccordingtothelocationsofsensors.Thusthesensoroftheaccelerometerwillbeexertedagravityof±1g,thesensitivityofsensormaybeobtainedbymeasuringtheou