Nheyo dzekutanga uye hunyanzvi hwekushandisa weagrihead weigher

Munyori: Smartweigh– Huremu hwemisoro yakawanda

Nheyo huru uye ruzivo rwekushandisa kwemuchina wekuyeresa une misoro yakawanda. Muchina wekuyeresa une misoro yakawanda ndewemuchina we tension and pressure sensor, unoshandiswa zvakanyanya mukuyera data rakamira uye kuyeresa kwakarurama. 1. Tsanangudzo yemuchina wekuyeresa une misoro yakawanda inotarisa zvizere kukurumidza kwegiravhiti (g) kwekero yekushandisa uye kubhururuka (f) kwemvura yegesi, zvichienderana nekushandurwa kweimwe yeyakayerwa nemazvo (mhando) kuita imwe yakayerwa nemazvo (kubuda). ) kuyera nemazvo mhando yemuchina we force. 2. Pfungwa huru yemuchina wekuyeresa une misoro yakawanda Polyurethane elastomer (vibration isolator, more sensitive beam) inokonzera elastic deformation pasi pesimba rekunze, zvekuti resistance strain gauge (transformation component) yakanamirwa pamusoro payo inokonzerawo deformation, uye resistance strain gauge inoshanduka. Mushure meizvozvo, resistor value yayo ichachinja (kuwedzera kana kudzikira), uye resistor ichashandurwa kuita electronic signal kuburikidza nekuyera kwakarurama kwe power supply circuit, uye ipapo maitiro ese ekushandura external force kuita electronic signal apedzwa.

Hazvina kuoma kuona kuti magauge ekudzivirira kusimba, ma polyurethane elastomers uye ma test power circuits zvikamu zvakawanda zvakakosha zvisingagone kushaikwa mu resistor strain force multihead weigher. Aya matanho matatu anotsanangurwa muchidimbu pazasi. 1. Resistance strain gauge Iyo resistance strain gauge chidimbu chemagetsi ekupisa waya yemagetsi yakapararira pamusoro pe substrate yakagadzirwa nezvinhu zve organic, kureva, resistance strain gauge.

Chimwe chezvinhu zvikuru zvaanoita i dexterity index K. Kana mativi ake maviri akabatwa nesimba reF, rinogona kutambanudza, nemamwe mazwi kukonzera deformation. Kana tikati rakatambanudzwa, nzvimbo yaro inova diki, kureva kuti, denderedzwa rayo rinoderera.

Hukama huripo pakati pe resistance elastic coefficient ye resistance strain gauge (kuchinja kwe resistor) uye kureba kwe heating wire (kuchinja kwe relative nehurefu nepfupi) hwakaenzana. Zvinofanira kutaurwa kuti saizi ye sensitivity index K value iparameter inotarwa nehunhu hwe raw material yekugadzira simbi heating wire. Hazvina chekuita nechitarisiko nehukuru hwe resistance strain gauge. K value yezvinhu zvakasiyana-siyana zvinowanzova mu 1.7—3.6 Intermediate; K value inotevera i dimensionless quantity, kureva kuti, haina dimension. Mu engineering mechanics, ΔL/L inonzi strain force, inoratidzwa se ε, uye inowanzoshandiswa kuratidza kuti ductility yakakura kwazvo, izvo zvisinganyanyi kuoma. Inowanzo shandiswa sechikamu chimwe chemamiriyoni chebhizinesi, inoratidzwa se με.

2. Polyurethane elastomer Polyurethane elastomer chikamu chine chitarisiko chakasiyana. Chine mabasa maviri. Chekutanga, chine simba rekunze remuchina wekuyerwa kwemisoro yakawanda, izvo zvinoita kuti simba rekudzokera shure riwane chiyero chakaringana; Gauge yekuremara yakabatana nenzvimbo iyi yakakodzera basa rezuva nezuva rekushandura simba rekuremara uye chiratidzo chemagetsi. 3. Kuongorora dunhu remagetsi Basa rekuongorora dunhu remagetsi nderekushandura resistor yegeji yekuremara kuita voltage inoshanda.

Nekuti bhiriji reWheatstone rine zvakanakira zvakawanda, zvakaita sekukwanisa kudzvinyirira kukuvara kwekuchinja kwekushisa, kudzvinyirira simba rerutivi, uye kukwanisa kugadzirisa zviri nyore dambudziko rekuyera misoro yakawanda, bhiriji reWheatstone rave richishandiswa zvakanyanya mukushandisa kwemuchina wekuyeresa misoro yakawanda. Sezvo dunhu rebhiriji remaoko senge cheni yakazara yekuunganidza riri iro rinonyanya kunzwisisika, maparamita makuru eruoko rumwe nerumwe akafanana, uye njodzi dzezvinokanganisa zvakasiyana-siyana dziri nyore kwazvo kutsiva, saka muchina wekuyeresa misoro yakawanda unoshandisa cheni yakazara yekuunganidza nemamwe macircuit ebhiriji remaoko.

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Munyori: Smartweigh– Huremu hwakatsetseka

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