2023學(xué)年完整公開課版CRK7000P驗光儀

CRK-7000P

驗光儀-目錄-1.機(jī)械構(gòu)造2.電控系統(tǒng)3.測量原理2驗光儀的構(gòu)成及用途驗光儀是一種客觀式驗光儀器，由光學(xué)部分、CCD相機(jī)感應(yīng)系統(tǒng)，微機(jī)控制部分和打印機(jī)等主要部分組成，是一種對人眼屈光度參數(shù)和角膜曲率參數(shù)進(jìn)行客觀式測量的精密儀器，適用于對被測者眼睛的球鏡頂焦度、柱鏡頂焦度、柱鏡軸位、雙眼瞳距、角膜曲率半徑和角膜屈光度的客觀測量。驗光儀，也稱“電腦驗光儀”，主要構(gòu)成及用途：1.機(jī)械構(gòu)造–外殼3No名稱No名稱No名稱1BASEASSY5BOARDCOVER9COVERHEADBASEBRACKETR2LCD6COVERROOF10COVERBACK3COVERSIDEL7COVERHEADBASEBRACKETL11HEADRESTASSY4OPTICALASSY8COVERROOFBRACKET12COVERSIDER41.機(jī)械構(gòu)造–機(jī)身COVERBASEFRONTMOVINGBASEASSYCOVERBASEREARFIXBASEASSYLOCKSWITCHJOYSTICKPDBAR51.機(jī)械構(gòu)造–機(jī)身軌道SMPSFIXINGBASEFRAMEFIXINGBASEBOTTOMCOVERPOWSERINLETASSYPACKINGLOCKHEADRESTFIXERFIXINGBASETOPCOVER61.機(jī)械構(gòu)造–機(jī)身YAXISINTERFACEBOARDPANELOPTICALHEADFIXSTANDFRAMEINTERFACEBOARD71.機(jī)械構(gòu)造–機(jī)身HOUSING軸承HEADGUIDE軸承YAXISPOLESTOPPER彈簧HOUSINGSUPPORT軸承STANDFRAMEBELTPULLY螺紋82.電控系統(tǒng)-電路模塊Output12Vdc/3A5Vdc/7ACN2CN1BATTERYCN6CN13CN12CN10CN9CN14CN7CN3CN20CN17CN19CN18CN21CN16CN15CN8CN4CN5CN26CN24CCN1CN11CN22CON12CON5CON8CON13CON1CON2CON14CON16CON9CON6CON15CON11CON7ThermalPrinterCOMPortEncoderR/LPIPrinterKey12V,5VREFCAMKERCAMLCDKeyDiopterPIChartLED/PIDiopterMotorREFMotorDCMotorREFLEDEXTLEDMIRERINGLEDSWITCH

FUSEACINPUTFUSEINLETSMPS92.電控系統(tǒng)-控制單元CPUFLASH(32Mbit)FRAM(512Kb:SETUP)RS-232(Debug)FPGABUZZERPRINTERRTCPMICDDR2(512Mbit)DDR2(512Mbit)FRAM(512Kb:LOG)KERATOCAMERALCDREFCAMERAKEYPADDIOPTERPIREFPICHARTLAMPDIOPTERMOTORDCMOTORREFLEDMIRERINGEXTLEDEXTVIDEOBASEIF(AFMB/D)PPLEDLCDPIPE/CAMPIPEDATAPIPE103.測量原理–屈光度（REF）REF光源人眼反射片多孔盤相機(jī)人眼屈光(Refractometer)測量原理遠(yuǎn)視正視正視11角膜曲率(Keractometer)測量原理K