Ibipimo by'ubushyuhe bikoreshwa cyane mu kugenzura ubushyuhe no mu nganda zitandukanye. Mu bwoko butandukanye bwathermistore, PTC (Positive Temperature Coefficient) na PT100 ni zo ngero ebyiri zikunze gukoreshwa. Ubwoko bwombi bw'ibipimo by'ubushyuhe bukoreshwa mu gupima ubushyuhe, ariko bufite imiterere n'imikorere bitandukanye. Gusobanukirwa itandukaniro riri hagati y'ibipimo by'ubushyuhe bya PTC na PT100 ni ingenzi mu guhitamo sensor ikwiye ijyanye n'ibyo ukeneye mu kumenya ubushyuhe.
Igikoresho cyo gushyushya cya PTC:
Utwuma dushyushya twa PTC ni uturinda ubushyuhe dufite coefficient nziza y'ubushyuhe, bivuze ko ubudahangarwa bwabyo bwiyongera uko ubushyuhe bwiyongera. Utwuma dushyushya twakozwe mu bikoresho bya ceramic nka barium titanate, kandi ubudahangarwa bwabyo buhinduka cyane iyo ubushyuhe buhindutse. Utwuma dushyushya twa PTC dukunze gukoreshwa mu bikorwa bisaba kurinda ubushyuhe burenze urugero, kwigenzura, no kugabanya umuvuduko w'amashanyarazi.
Kimwe mu bintu by'ingenzi biranga PTC thermistors ni ubushobozi bwazo bwo kwigenzura. Uko ubushyuhe bwiyongera, ubushobozi bwa PTC thermistors bwo kwiyongera, bigatuma umuriro ugabanuka. Iyi myitwarire yo kwigenzura ituma PTC thermistors zikoreshwa nko kurinda moteri, ibikoresho bishyushya, no kurinda umuriro mwinshi mu byuma by'ikoranabuhanga.
Sensor y'ubushyuhe izunguruka:
Utwuma dupima ubushyuhe dukoreshwa mu bikoresho by'amashanyarazi kugira ngo tugenzure ubushyuhe bw'udupira two muri moteri, transformateur n'ibindi bikoresho by'amashanyarazi. Utwuma dupima ubushyuhe ni ingenzi mu gukumira ubushyuhe bukabije no kwemeza ko ibikoresho bikora neza. Utwuma dupima ubushyuhe dukoresha PTC thermistors nk'ibintu bipima ubushyuhe kuko bifite imiterere yo kwiyubaka kandi bikaba bigira ingaruka zikomeye ku mihindagurikire y'ubushyuhe.
Igishyushya cya PT100:
PT100 ni igikoresho gipima ubushyuhe bw’ubudahangarwa (RTD) gikoresha platine nk'ikintu gipima ubushyuhe. Bitandukanye na PTC thermistors, ubudahangarwa bw’ibipimo bya PT100 bwiyongera ku murongo ukurikije ubushyuhe, hakurikijwe isano isanzwe y’ubudahangarwa n’ubushyuhe yagenwe na Komisiyo Mpuzamahanga y’Ubuhanga mu by’Ikoranabuhanga (IEC). Ibipimo bya PT100 bizwiho ubuhanga bwabyo bwo hejuru, ubudahangarwa n’ubushyuhe bwinshi, bigatuma biba byiza cyane mu gupima ubushyuhe neza.
Thermistor ya PT100 ifite ubushobozi bwo guhangana na 100 ohms kuri 0°C kandi yiyongeraho hafi 0.385 ohms kuri buri rugero rw'ubushyuhe. Iyi sano iri hagati yo guhangana n'ubushyuhe yemerera gupima ubushyuhe neza kandi bwizewe mu bushyuhe bwinshi.
Itandukaniro riri hagati ya PTC na PT100:
Itandukaniro rikomeye riri hagati ya PTC na PT100 thermistors ni imiterere yazo yo guhangana n'ubushyuhe. PTC thermistors zigaragaza isano idashingiye ku murongo ifitanye isano n'ubushyuhe hamwe n'ikigereranyo cyiza cy'ubushyuhe, mu gihe PT100 thermistors zifite isano iri hagati ya linear resistance-temperature hamwe n'ikigereranyo cy'ubushyuhe hafi ya zeru.
Irindi tandukaniro rigaragara ni ibikoresho bikoreshwa mu bwubatsi bwabyo. Ubusanzwe ibishyushya bya PTC bikozwe mu bikoresho bya ceramic, mu gihe ibishyushya bya PT100 bikoresha platinum nk'ikintu cyo kumva. Gukoresha platinum mu bishyushya bya PT100 bigira uruhare mu gutuma birushaho kuba byiza kandi bihamye, cyane cyane mu nganda no mu duce duto tw’ubushakashatsi.
porogaramu:
Ibishyushya bya PTC bishobora gukoreshwa mu kurinda ubushyuhe bukabije, ibikoresho bishyushya byigenga, imiyoboro y'amashanyarazi igabanya ubushyuhe no kurinda moteri. Imyitwarire yabyo mu kwirinda ubushyuhe ituma bikoreshwa aho kugenzura ubushyuhe no kuburinda ari ingenzi cyane.
Ku rundi ruhande, PT100 thermistors zikoreshwa cyane mu nganda no muri laboratwari kugira ngo hamenyekane neza ubushyuhe. Zikunze gukoreshwa muri sisitemu zo kugenzura ubushyuhe, mu byumba by’ibidukikije, muri sisitemu za HVAC, no mu bushakashatsi bwa siyansi aho kumenya ubushyuhe neza kandi buhamye ari ingenzi cyane.
Muri make, nubwo PTC na PT100 thermistors zikoreshwa mu kumenya ubushyuhe, zifite imiterere n'imikorere itandukanye. PTC thermistors zizwiho kwigenzura kandi zikunze gukoreshwa mu bikorwa bisaba uburinzi bukabije bw'ubushyuhe no kugabanya ubushyuhe. Ku rundi ruhande, PT100 thermistors zitanga ubuziranenge n'ubudahangarwa, bigatuma zikoreshwa neza mu gupima ubushyuhe mu nganda no muri laboratwari. Gusobanukirwa itandukaniro riri hagati y'izi thermistors ni ingenzi mu guhitamo sensor ikwiye ijyanye n'ibyo ukeneye mu kumenya ubushyuhe.
Igihe cyo kohereza: Mata-05-2024