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I-piezo-imelayo isebenza kumgomo webhuloho le-Wheatstone elizokhubazeka ngenxa yengcindezi endaweni yayo nasekushintshweni Ukumelana namabhuloho ama-4, lokhu kubizwa ngokuthi umphumela ophikisayo we-piezo. Imvamisa, amageji amane wezinhlobo ezifakwe futhi axhunywe ebhulohweni le-Wheatstone. I-amplifier yesiginali ikhulisa izimpawu zokulinganisa kusuka ku-gauge yobunzima kanye nebhuloho le-Wheatstone futhi yenza umphumela ngokuvumelanayo, futhi imiphumela idluliswa ngamandla kagesi okucindezelayo we-silicon wafer.
Ukushintshwa kwengcindezi yedijithali kusetshenziselwa ukufaka esikhundleni samageji wengcindezi yokuxhumana kagesi futhi kusetshenziswe ezinhlelweni ezinezidingo eziphakeme zokulawulwa kwezimboni. LedijithaliUkushintshwa kwengcindezi ye-LEFOOInesicelo esibanzi ekuqapheleni nasekulawuleni ukugeleza kwamagesi omoya nolaka. Ukucatshangelwa kwemvelo enobungani nokungcola okuncane asizange sisebenzise inzwa ye-silicon enwetshiwe kawoyela. Lokhu kushintsha kwengcindezi yedijithali kwakhiwe ezindlini zepulasitiki futhi kungahle kube khona ukuguqulwa lapho kuhlangabezana nengcindezi enkulu kakhulu futhi ithonya ukunemba kwayo. Ukushintshwa kwengcindezi yedijithali okwenziweLefooIsuselwa ikakhulukazi kwi-silicon piezoresistive sensor kanye nebhuloho lesifunda kagesi ekudlulisweni, lokho kunikeza kokubili ukulinganisa kwengcindezi nokunyakaza okulula kokulawula.
Ukushintshwa kwengcindezi yedijithali kunenzwa yengcindezi eyakhelwe ngaphakathi, ekhulisa isignali yengcindezi ngokusebenzisa i-amplifier yensimbi ephezulu, iqoqa futhi iqhube idatha nge-MCU enejubane elikhulu, futhi imvamisa isebenzisa i-LED yamadini amane ukukhombisa ingcindezi ngesikhathi sangempela, kanye nokukhishwa kwesiginali yokudlulisa. Amaphoyinti wokulawula umkhawulo aphezulu nangaphansi angasethwa ngokukhululeka.
Uphenyo Lomkhiqizo
