XR200XRAYSOURCEGoldenEngineeringxr200X射线源黄金工程.docx

XR200XRAYSOURCEGoldenEngineeringxr200X射线源黄金工程.docx

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XR200XRAYSOURCEGoldenEngineeringxr200X射线源黄金工程

XR200

OPERATORSMANUAL

X-RAYSOURCE

CONTENTS

ITEMPAGE

1.1INTRODUCTION2

2.1WARNINGS2

EXCLUSIONZONEDIAGRAM4

3.1PHYSICALDESCRIPTION5

3.2HIGHVOLTAGEPULSER/TUBEHEAD5

3.3BASE5

3.4CONTROLMODULE6

3.5BATTERYPACK7

3.6BATTERYCHARGER7

CABLECONNECTORDIAGRAM8

4.1DESCRIPTIONOFOPERATION9

BLOCKDIAGRAM10

5.1OPERATINGINSTRUCTIONS11

5.2OPERATINGPRECAUTIONS11

5.3OPERATINGPROCEDURES11

5.4REMOTECABLEOPTION11

5.5DELAYMODEOPTION13

5.6REALTIMEIMAGINGOPTION13

5.7DEFAULTPULSESETTING14

5.8PULSESETTINGS14

5.9DUTYCYCLE15

6.1SOFTWARE16

7.1MAINTENANCE16

7.2DOSEMEASUREMENT16

7.3TUBEREPLACEMENT17

8.1TROUBLE-SHOOTING18

9.1INSTRUCTIONSFORREPAIR18

9.2HANDLEREPLACEMENT18

9.3FUSEREPLACEMENT19

9.4REMOVINGBOARDS19

9.5BOARDINSTALLATION20

9.4HEADREPLACEMENT21

9.5BATTERYDISPOSAL21

10.1WARRANTY22

11.1SPECIFICATIONS23

10.2PHYSICALDIMENSIONS23

10.3X-RAYOUTPUT23

10.4ELECTRICAL&THERMALCHARACTERISTICS23

10.5X-RAYLEAKAGE23

12.1SPAREPARTS24

TheXR200produceshighlevelsofradiationandmustbeoperatedbyqualifiedpersonnelwhomustreadtheWarningandOperationssectionofthemanualbeforeoperatingthedevice.

TheXR200isasmall,lightweightx-raygeneratorthatoperatesonitsownremovablebatterypack.TheXR200isapulsedx-raydevicethatproducesx-raypulsesofveryshortduration（60nanoseconds）.Itproducesarelativelylowdoseratecomparabletoa1.0maconstantpotentialmachine.TheenergyproducedbytheXR200isupto150KVP,whichmakesitpossibletoradiographupto%inch（1.3cm）ofsteel.

XR200standardaccessoriesaretwokeys,twobatterypacks,andonebatterycharger.Remotecable,carryingcase,andfilmdevelopingequipmentarealsocommonaccessories.

2.1WARNINGS

2.2TheXR200isanindustrialtypex-raygeneratorthatproduceshazardousradiationwhenenergized.

2.3Itisunlawfultousethisequipmenttointentionallyexposehumansortouseitformedicalradiography.

2.4TheXR200issubjecttostateregulationandregistration.Contactyourstateboardofhealthbeforeoperatingequipment.

2.5TheoperatoroftheXR200mustbeproperlytrainedtosafelyoperatetheunit.

2.6UnauthorizedpersonnelshouldnothaveaccesstotheXR200.

2.7DevelopandcloselyfollowasafeoperatingsystemforusingtheXR200.

Thesafeoperatingsystemmustensurethatnooneisexposedtoradiationabovethepermissiblelimitswhichare2mR（0.02mSv）perhouror100mR（1mSv）peryearforamemberofthepublic.（RefertoSpecifications,page20,forX-rayoutputandExclusionZone,page4,forstandoffdistances.）

ThesafeoperatingsystemmustensuretheXR200isusedwithinfederalandstateguidelines.

2.8AlloperatorsandusersoftheXR200x-raymachinemustwearapersonalradiationmonitoringdevice,suchasaTLD（thermoluminescentdosimeter）,filmbadge,and/orapocketdosimeterconsistentwiththeappropriatefederal,territorialorprovincialstandards（note:

anelectronicdosimeterwillnotdetecttheXR200radiationpulses）.

DuetotheshortpulsewidthoftheXR200,surveymetersoftheGeiger-Muellerandscintillatortypedonotaccuratelydetecttheradiationemittedfromthex-raysource.

Surveymetersshouldbeoftheionizationtypeandshouldbeusedintheintegrationmode.SurveymetersmustnotbeusedintheratemodebecausetheXR200doesnotproduceconstantradiation.TheXR200producesveryhighratesofradiationforveryshortperiodsoftimeresultingineitherunrealisticallyhighreadingsornoreadingsforasurveymeterinratemode.

2.9TheXR200hasnoexplosionproofratingandshouldnotbeusedinanexplosiveatmosphere.TheSparkGapisventedtotheairandcouldbeasourceofignition.

XR200EXCLUSIONZONE

KEY

HANDLE

Head

COLLIMATOR

CONTROLMODULE

Figure1:

XR200X-rayUnit

3.1HIGHVOLTAGEPULSER/TUBEHEAD.ThemainbodyoftheXR200isthetubeheadwhichcontainsthetubecavity,coldcathodetypeX-raytube,sparkgap,highvoltagecapacitor,andtransformer.ThecollimatorlocatedonthefrontoftheheadholdsthetubeinthetubecavityandlimitstheX-raybeamto40degrees.

3.2BASE.ThebaseoftheXR200containsthebaseplate,tripodmount,tripodmountreleasebutton,andidentificationlabel.Thetripodmountcontainsthreaded%-20insertthatcanbeattachedtoastandardcameratripod.Thereleasebuttonallowsthetripodmounttostayonthetripodhead,whileremovingtheXR200.Alabelidentifyingthemodel,manufacturer,andserialnumberislocatedonthebottomoftheXR200base.

Figure2:

Base

TRIPODMOUNT

3.3CONTROLMODULEThecontrolmodulecontainsthefollowingindicatorsandswitches.

X-RAYWARNINGLIGHT

LCD

KEY

Figure3:

ControlModule

>GREENLED:

Poweronlight.Illuminateswhenthebatteryvoltageisappliedtothecontrolmodule.

>REDX-RAYWARNINGLIGHT:

BlinksafterthetimedelaybuttonorremotecablebuttonispressedtowarnthattheXR200isgoingtopulse.ThelightstaysoncontinuouslywhiletheXR200ispulsing.

>LIQUIDCRYSTALDISPLAY（LCD）:

Displays2digitsshowingthenumberofpulsesselected.IftheX-rayWarningLightisblinking,thentheLCDdisplaysthenumberofsecondsremaininguntiltheXR200beginspulsing.TheLCDisbacklitsoitcanbeviewedinthedark.

>InputSwitches:

ThetwogoldpushbuttonswitchesarelabeledRangeandUnits.

oRANGESWITCHisusedtoalternateLCDbetweentensdigitandonesdigitwhenenteringpulses.

oUNITSSWITCHchangesthereadingofthetensdigitorunitsdigittoanynumberfrom0to9.TheUnitsSwitchisalsousedwiththeblueswitchtochangethedefaultpulsesetting.

>DELAYSWITCH:

Thisgreenpushbuttonswitchisusedtoinitiatedelaymode.

>BLUESWITCH:

Thisswitchispressedwiththeunitsswitchtoalterthedefaultpulse

setting.

>REMOTECONNECTOR:

Thisconnectorlocatedonthebackofthecontrolmodule

beneaththebatteryreceivestheremotecableorimagingsystemcable.ThediagramonthefollowingpageshowsmoredetailsfortheRemoteConnector.

>BACKPLATE:

CoverstheOscillatorboardandcontainsbatteryterminalconnectors.

3.4BATTERYPACK.ThebatterypackisaDeWalt14.4Vnickel-cadmiumbattery.SeeenclosedinstructionmanualfromDeWaltforsafetyandwarrantyinformation.

3.5BATTERYCHARGER:

ThestandardbatterychargeristheDeWaltDW9116（110V）chargerorDE9108（220V）charger.Ittakesaboutonehourtocompletelychargeabattery.Seechargermanualforadditionalinstructionsandwarnings.

XR200REARV旧W/CABLECONNECTOR

PIN#

DESCRIPTION

1

+5VOLTS100maMAXIMUM

2

REMOTESWITCH

3

REMOTESWITCH-NODELAY

4

X-RAYONSIGNAL

5

COMMON0VOLTS

REMOTECONNECTOR:

LEMOEPG.0B.305.HLN

MATINGCABLEPLUG:

LEMOFGG.0B.305.CLAD56Z

PIN2

°

o^

—°~

o

PIN5

Remoteswitchinputsareactivatedwhengrounded.

4.1DESCRIPTIONOFOPERATION

Theblockdiagramonpage9illustrateshowtheXR200functions.ThefollowingsequenceofeventstakesplaceeachtimetheXR200isfired.

1.Userinitiatesoperationofthemachine.

2.Thecontrolsectionsendsasignaltotheconvertersectiontobeginoscillating.

3.Onceoscillating,theconvertersectionchangesthe14.4voltsDCto22KhzAC.

4.ThetransformerchargestheHighVoltageCapacitortoabout8000volts.

5.ThesparkgaparcsaftertheHighVoltageCapacitorreachespropervoltage.

6.Thepulsedetectorsignalsthecontrolblockthattheunithaspulsed.

7.AstheHighVoltageSwitchisclosed,ahighvoltagetransientofabout150,000voltsand50nanosecondsindurationisappliedacrossthex-raytubegeneratingx-rays.

TheclosingoftheHighVoltageSwitchproducesanaudiblesnappingsound.TheXR200cannotproducex-rayswithoutthesnappingsoundandconverselythesnappingsoundservesasawarningthattheXR200isfunctioning.Theoperatorshouldbecomefamiliarwiththecharacteristicsound.

Thisunitgeneratesx-raysthroughhighvoltagebombardmentofatungstentarget.TheXR200doesnotcontainradioactivematerials.Allthehighvoltageiscontainedwithinthealuminumcanisterandaslongasthecanisterisnotpuncturedandthecollimatorisontheheadtheoperatorisnotexposedtodangerousvoltages.

XR200

BLOCKDIAGRAM

5.1OPERATINGINSTRUCTIONS

5.2OPERATINGPRECAUTIONS:

Theoperatorshouldalwaysstandatleast10feetbehindtheX-rayunitwhileitispulsingandclearallpersonnelatleast100ft.fromthefrontoftheunit.Seethediagramonpage4formoredetailsregardingexclusionzoneandsafeoperatingdistances.Closelyfollowallproceduresinthesafeoperatingsystem.

5.3OPERATINGPROCEDURES:

Operatingproceduresvarydependingonthetypeofimagingsystemused.TheXR200canbeusedwithREMOTECABLEorTIMEDELAYwhenusedwithfilmbasedsystemsorComputedRadiography（PhosphorPlate）systems.TheXR200shouldbeusedintheREALTIMEMODEwhenusedwithDirectRadiographysystems（CCD,AmorphousSiliconorAmorphousSeleniumplates,CMOSDetectors）.

5.4REMOTECABLEOPTION

1.AttachafullychargedbatterypackintothebackoftheXR200.

2.PlugtheremotecableintoXR200.

3.PlacetheimagingplateorcassettewithfilmnegativedirectlybehindtheobjecttobeX-rayed.Makesurethecassetteorimagingplateisclosetotheobject.DistancebetweenobjectandcassettewilldistorttheX-rayimage.

4.PlacetheXR200twotofourfeetinfrontoftheobjectwiththefrontoftheXR200pointingdirectlyattheobject.

Figure4:

XR200,Cassette&Object

5.Insertkeyintokeyswitchlocatedontopofthecontrolmodule.TurnontheXR200bygentlyturningthekeyclockwise1/4turn.

6.InordertoselectthedesirednumberofpulsesfortheXR200firstdepresstheRANGESW