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UkuthelekisaIseli yomthwalo weGauge yoxinzelelokunye neTekhnoloji ye-Digital Capacitive Sensor

Zombini iiseli zomthwalo we-capacitive kunye ne-strain gauge zixhomekeke kwizinto ezilastiki ezikhubaza ukuphendula kumthwalo oza kulinganiswa.

Izinto eziphathekayo ze-elastic element zidla ngokuba yi-aluminiyam kwiiseli zomthwalo wexabiso eliphantsi kunye nentsimbi engenasici kwiiseli zomthwalo kwizicelo zemizi-mveliso ezonakalisayo.

I-Capacitive strain gauge sensors ilinganisa ukuguqulwa kwezinto ezi-elastic ngabanye, kwaye imveliso ye-sensor iguqulwa yi-electronic circuit ibe ngumqondiso omele umthwalo.

I-sensor ye-capacitive yi-conductor ebekwe kumgama omncinci ukusuka kwi-elastic element kunye nemilinganiselo ye-deformation ngaphandle kokunxibelelana ne-elastic element, ngelixa i-gage ye-strain i-insulating resistive foil idityaniswe ngokuthe ngqo kwinto e-elastic ukuze ibonakaliswe ngokuthe ngqo kwizinto ezothusayo kunye nomthwalo ogqithisiweyo. , ezihlala zidibana nazo kwizicelo zoshishino.

Uvakalelo
Ukongezelela, i-capacitive sensors i-capacitive kakhulu, kunye ne-10% yenguqu kwi-capacitance, ngelixa i-foil strain gauges ngokuqhelekileyo ine-0.1% yokutshintsha ukuchasana. Kuba iisensi ze-capacitive zinovakalelo kakhulu kwaye ke ngoko zifuna i-deformation esezantsi kakhulu ye-elastic element, ukutsala kwe-elastic element ye-capacitive load cell ngama-5 ukuya kwali-10 ngaphantsi kunaleyo yeseli yomthwalo wegeji yoxinzelelo.

Iingcingo kunye nokutywinwa
Utshintsho oluphezulu kwi-capacitance lunceda ukubonelela nge-digital output signal, leyo kwiiseli zomthwalo we-capacitive ngumqondiso wesantya esiphezulu esichaza ngokuthe ngqo umthwalo kwi-g, kg, okanye i-Newtons. Intambo ye-coaxial enexabiso eliphantsi ene-single-wire sealed connector inika amandla iseli yomthwalo kwaye idlulisa i-high-speed digital signal back to the tool, enokuthi ibekwe kumakhulu eemitha kude. Kwiseli yomthwalo we-analog strain gauge, unikezelo lwamandla kunye nomgangatho ophantsi wesiginali ye-analog idla ngokuqhutywa kwisixhobo ngentambo yocingo eyi-6 ebiza kakhulu apho umqondiso we-analog uguqulelwa kwidijithali. Kwiseli yomthwalo we-digital strain gauge, i-amplifier kunye nokuguqulwa kwe-A/D zibekwe kwizindlu, kwaye amandla kunye neempawu zedijithali zidla ngokuqhutyelwa kwi-instrumentation nge-instrumentation ebiza kakhulu i-6 okanye i-7 yeentambo zocingo.