Kuchokera ku maunyolo a robotic drive kupita ku ma conveyor malamba mu ntchito zogulitsira katundu kupita ku mphepo yamkuntho ya mphepo yamkuntho, kuyang'ana malo ndi ntchito yovuta kwambiri pamitundu yambiri yogwiritsira ntchito.Ikhoza kutenga mitundu yambiri, kuphatikizapo mzere, rotary, angular, absolute, incremental, contact and non-contact sensor. potentiometric, inductive, eddy current, capacitive, magnetostrictive, Hall effect, fiber optic, kuwala ndi akupanga.
FAQ iyi imapereka chidule chachidule cha mitundu yosiyanasiyana yowonera malo, kenako ndikuwunikanso matekinoloje angapo omwe opanga angasankhe akamakhazikitsa njira yowonera malo.
Potentiometric udindo masensa ndi kukana-zochokera zipangizo kuphatikizira njanji resistive njanji ndi chopukuta chomangika kwa chinthu chimene malo ayenera kumveka.Kusuntha kwa chinthu kumasuntha ma wipers pa njanji.Malo a chinthu amayezedwa pogwiritsa ntchito voteji divider network opangidwa ndi njanji ndi wipers kuyeza liniya kapena rotational kuyenda ndi fixed DC voteji (Chithunzi 1, koma otsika sensa ndi Pote otsika sensa ndi Pote mtengo wotsika). kubwerezabwereza.
Ma sensor a inductive position amagwiritsa ntchito kusintha kwa mphamvu ya maginito yomwe imapangidwira mu coil ya sensa.Kutengera ndi mapangidwe awo, amatha kuyeza malo ozungulira kapena ozungulira.Linear Variable Differential Transformer (LVDT) malo masensa amagwiritsa ntchito makolala atatu atakulungidwa mozungulira chubu lopanda kanthu; koyilo yoyambirira ndi ma koyilo awiri achiwiri.Makoyilo amalumikizidwa motsatizana, ndipo mgwirizano wagawo wa koyilo yachiwiri ndi 180 ° kunja kwa gawo pokhudzana ndi koyilo yoyambira.A ferromagnetic pachimake chotchedwa armature chimayikidwa mkati mwa chubu ndikulumikizidwa ku chinthu pamalo omwe akuyezedwa.Voliyumu yosangalatsa imayikidwa ku koyilo yachiwiri ndi mphamvu yamagetsi yamagetsi (EMF) ndi mphamvu yamagetsi yamagetsi (EMF in the secondary mesu). ma coils, malo okhudzana ndi zida zankhondo ndi zomwe zimamangirizidwa nazo zimatha kutsimikiziridwa.A rotating voltage differential transformer (RVDT) amagwiritsa ntchito njira yomweyi kuti afufuze malo ozungulira.Masensa a LVDT ndi RVDT amapereka kulondola kwabwino, mzere, kusamvana ndi kukhudzidwa kwakukulu.Zimakhala zopanda phokoso ndipo zimatha kusindikizidwa kuti zigwiritsidwe ntchito m'madera ovuta.
Masensa a Eddy akugwira ntchito ndi zinthu zochititsa chidwi. Mafunde a Eddy amapangidwa ndi mafunde omwe amapezeka muzinthu zoyendetsera zinthu pamaso pa kusintha kwa maginito. Mafundewa amayenda mumtambo wotsekedwa ndikupanga yachiwiri maginito. Masensa amakono a Eddy amakhala ndi ma coil ndi ma circuits. Kuyanjana kwa gawo lachiwiri lopangidwa ndi mafunde a eddy, omwe amakhudza mphamvu ya coil. Pamene chinthucho chikuyandikira pafupi ndi koyilo, kuwonongeka kwamakono kwa eddy kumawonjezeka ndipo mphamvu ya oscillating imakhala yaying'ono (Chithunzi 2) .
Zipangizo zamakono za Eddy ndi zolimba, zosagwirizana ndi zomwe zimagwiritsidwa ntchito ngati ma sensor apafupi. Iwo ndi omnidirectional ndipo amatha kudziwa mtunda wogwirizana ndi chinthucho, koma osati mayendedwe kapena mtunda wokwanira wopita ku chinthucho.
Monga momwe dzinalo likusonyezera, ma capacitive position sensors amayesa kusintha kwa mphamvu kuti adziwe malo a chinthu chomwe chikumveka.Masensa osalumikizanawa angagwiritsidwe ntchito kuyeza malo ozungulira kapena ozungulira.Amakhala ndi mbale ziwiri zolekanitsidwa ndi zinthu za dielectric ndipo amagwiritsa ntchito imodzi mwa njira ziwiri kuti azindikire malo a chinthu:
Pofuna kusintha kusintha kwa dielectric, chinthu chomwe malo ake ayenera kuzindikiridwa amamangiriridwa ku zinthu za dielectric. Pamene zinthu za dielectric zikuyenda, mphamvu ya dielectric yosasinthasintha ya capacitor imasintha chifukwa cha kusakanikirana kwa dera la dielectric ndi mpweya wokhazikika wa dielectric. Kapenanso, chinthucho chikhoza kugwirizanitsidwa ndi mbale imodzi yosuntha, capacitor imasuntha. kutali, ndipo kusintha kwa capacitance kumagwiritsidwa ntchito kuti mudziwe malo omwe ali nawo.
Ma sensor a capacitive amatha kuyeza kusamuka, mtunda, malo ndi makulidwe a zinthu.Chifukwa cha kukhazikika kwawo kwa chizindikiro ndi kusamvana, ma sensor a capacitive displacement amagwiritsidwa ntchito m'malo a labotale ndi mafakitale.Mwachitsanzo, ma sensor a capacitive amagwiritsidwa ntchito kuyeza makulidwe a filimu ndi zomatira munjira zodziwikiratu.Mu makina opanga mafakitale, amagwiritsidwa ntchito kuyang'anira kusamuka kwawo ndi malo a zida.
Magnetostriction ndi katundu wa zipangizo za ferromagnetic zomwe zimapangitsa kuti zinthu zisinthe kukula kwake kapena mawonekedwe ake pamene mphamvu ya maginito ikugwiritsidwa ntchito.Mu magnetostrictive position sensor, malo osunthika maginito amamangiriridwa ku chinthu chomwe chikuyezedwa.Imakhala ndi mawaya omwe amanyamula mawaya omwe amanyamula ma pulses omwe alipo, olumikizidwa ku sensa yomwe ili kumapeto kwa wave3se, pamene maginito amatumizidwa pansi pa waveguide. munda umapangidwa mu waya womwe umalumikizana ndi axial maginito a maginito okhazikika (maginito mu cylinder piston, Chithunzi 3a) .Kulumikizana kwamunda kumayambitsidwa ndi kupotoza (zotsatira za Wiedemann), zomwe zimasokoneza waya, kutulutsa phokoso la phokoso lomwe limafalikira pamodzi ndi waveguide ndipo limazindikiridwa ndi phokoso lakumapeto. inadutsa nthawi pakati pa chiyambi cha kugunda panopa ndi kudziwika acoustic zimachitika, wachibale malo maginito udindo choncho chinthu akhoza kuyeza (mkuyu. 3c).
Magnetostrictive position sensors ndi masensa osalumikizana omwe amagwiritsidwa ntchito kuti azindikire malo omwe ali pamzere.Mawaveguides nthawi zambiri amakhala muzitsulo zosapanga dzimbiri kapena machubu a aluminiyamu, zomwe zimapangitsa masensawa kuti agwiritsidwe ntchito pamalo akuda kapena amadzi.
Pamene wowonda, lathyathyathya kondakitala aikidwa mu mphamvu maginito, aliyense panopa oyenderera amakonda kumanga mbali imodzi ya kondakitala, kupanga kusiyana zotheka wotchedwa Hall voltage. Ngati panopa mu kondakitala ndi mosalekeza, kukula kwa voteji Hall adzasonyeza mphamvu ya maginito. kusintha kwa magetsi a Hall.Poyesa magetsi a Hall, malo a chinthu akhoza kutsimikiziridwa.Pali ma sensor apadera a Hall-effect omwe amatha kudziwa malo mu miyeso itatu (Chithunzi 4) .Masensa a malo a Hall-effect ndi zipangizo zosalumikizana zomwe zimapereka kudalirika kwakukulu komanso kuzindikira mofulumira, ndipo zimagwira ntchito pa kutentha kwakukulu.
Pali mitundu iwiri yoyambira ya ma fiber optic sensors.Mu intrinsic fiber optic sensors, CHIKWANGWANI chimagwiritsidwa ntchito ngati chinthu chomverera.Mu sensa zakunja za fiber optic, ma fiber optics amaphatikizidwa ndi ukadaulo wina wa sensa kuti atumize chizindikiro kumagetsi akutali kuti akasinthidwe. Pankhani ya miyeso yapakatikati ya fiber, chipangizo monga chowonera chanthawi yanthawi yowunikira chingagwiritsidwe ntchito kuwerengera nthawi yowerengera. Optical frequency domain reflectometer.Fiber optic sensors ali ndi chitetezo cha electromagnetic interference, akhoza kupangidwa kuti azigwira ntchito pa kutentha kwakukulu, ndipo alibe conductive, kotero angagwiritsidwe ntchito pafupi ndi kuthamanga kwakukulu kapena zipangizo zoyaka moto.
Fiber-optic sensing ina yozikidwa pa ukadaulo wa fiber Bragg grating (FBG) itha kugwiritsidwanso ntchito poyezera malo.FBG imagwira ntchito ngati fyuluta ya notch, kuwonetsa kagawo kakang'ono ka kuwala kokhazikika pa Bragg wavelength (λB) ikawunikiridwa ndi kuwala kowoneka bwino. Imapangidwa ndi ma microstructures okhazikika mu fiber core. kupendekeka, kusamuka, mathamangitsidwe ndi katundu.
Pali mitundu iwiri ya optical position sensors, yomwe imadziwikanso kuti optical encoder.Muzochitika zina, kuwala kumatumizidwa kwa wolandira kumapeto kwa sensa.Mumtundu wachiwiri, chizindikiro chowunikira chowunikira chikuwonetsedwa ndi chinthu choyang'aniridwa ndikubwerera ku gwero la kuwala.Kutengera kapangidwe ka sensa, kusintha kwa kuwala, monga kutalika kwa mawonekedwe, mphamvu, gawo kapena polarization amagwiritsidwa ntchito pozindikira malo opangidwa ndi polarization, polarization, gawo kapena polarization. masensa amapezeka kwa liniya ndi rotary motion.Masensa awa amagwera m'magulu atatu akuluakulu; ma encoder optical transmissive, ma encoder owoneka bwino, ndi ma encoder optical interferometric.
Akupanga udindo masensa ntchito piezoelectric crystal transducers kuti atulutse mkulu-pafupipafupi akupanga mafunde.The sensa imayesa kuwonetseredwa sound.Ultrasonic masensa angagwiritsidwe ntchito ngati zosavuta moyandikana masensa, kapena mapangidwe zovuta kwambiri angapereke zosiyanasiyana.Ultrasonic udindo masensa ntchito ndi chandamale zinthu zosiyanasiyana zipangizo ndi pamwamba mbali, ndipo amatha kuzindikira mtunda kukana zinthu zazing'ono kwambiri. Kugwedezeka, phokoso lozungulira, kuwala kwa dzuwa ndi kusokoneza kwamagetsi. Zitsanzo za ntchito zomwe zimagwiritsidwa ntchito pogwiritsa ntchito masensa a ultrasonic position monga kuzindikira mlingo wamadzimadzi, kuwerengera mofulumira kwa zinthu, makina oyendetsa maulendo a robotic, ndi zomveka zamagalimoto. ndi zizindikiro zopangira (Chithunzi 5).
Masensa a malo amatha kuyeza mtheradi kapena wachibale wozungulira, wozungulira komanso wozungulira wa zinthu.Masensa a malo amatha kuyeza kayendedwe ka zipangizo monga ma actuators kapena motors.Amagwiritsidwanso ntchito pamapulatifomu amtundu monga maloboti ndi magalimoto.Matekinoloje osiyanasiyana amagwiritsidwa ntchito popanga masensa omwe ali ndi mitundu yosiyanasiyana ya kukhazikika kwa chilengedwe, mtengo, kubwereza, kubwereza, ndi zina.
3D Magnetic Position Sensors, Allegro MicrosystemsKusanthula ndi Kupititsa patsogolo Chitetezo cha Ma Ultrasonic Sensors a Magalimoto Odziyimira Pawokha, IEEE Internet of Things Journal Momwe mungasankhire sensa yapamalo, Cambridge Integrated CircuitsPosition sensor mitundu, Ixthus InstrumentationKodi sensa yochititsa chidwi ndi chiyani?, Kuzindikira kwa MagsineTEK, MagsineSensitiveK ndi chiyani?
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