AKatundu Cellndi mtundu wina wa transducer kapena sensa yomwe imasintha mphamvu kukhala mphamvu yoyezera magetsi. Chipangizo chanu chamtundu wamtundu wa katundu chimakhala ndi ma geji anayi amtundu wa wheatstone mlatho. Mu sikelo ya mafakitale kutembenukaku kumakhala ndi katundu womwe umasinthidwa kukhala chizindikiro chamagetsi cha analogi
Leonardo Da Vinci adagwiritsa ntchito malo azitsulo zofananira pa lever yamakina kuti azitha kudziwa zolemera zosadziwika. Kusiyanasiyana kwa mapangidwe ake kunagwiritsa ntchito zitsulo zingapo, iliyonse yautali wosiyana ndi yofanana ndi kulemera kwa muyezo umodzi. Ma cell a hydraulic and electronic strain gauge load cell asanalowe m'malo mwa ma levers opangira makina opangira zoyezera mafakitale, masikelo opangira ma leverwa ankagwiritsidwa ntchito kwambiri. Amagwiritsidwa ntchito kuyeza chilichonse kuyambira pamapiritsi kupita kumagalimoto a njanji ndipo adachita izi molondola komanso modalirika pokhapokha atayesedwa bwino ndikusamalidwa. Zinaphatikizapo kugwiritsa ntchito njira yoyezera kulemera kapena kuzindikira mphamvu yopangidwa ndi zitsulo zamakina. Masensa oyambilira, a pre-strain gage force sensor analinso ndi mapangidwe a hydraulic ndi pneumatic.
Mu 1843, katswiri wa sayansi ya sayansi ya ku Britain dzina lake Charles Wheatstone anapanga dera la mlatho lomwe limatha kuyeza kukana kwa magetsi. Dongosolo la mlatho wa Wheatstone ndilabwino kuyeza zosintha zomwe zimachitika m'magalasi amavuto. Ngakhale njira yoyamba yolumikizira waya idapangidwa m'ma 1940, zidalipo mpaka zida zamakono zidapezeka kuti ukadaulo watsopanowu udakhala wotheka mwaukadaulo komanso mwachuma. Komabe, kuyambira nthawi imeneyo, ma gage ovutitsa achulukirachulukira ngati zida zamakina komanso ma cell onyamula okha. Masiku ano, kupatula ma laboratories ena omwe masikelo olondola amakanika akugwiritsidwabe ntchito, ma cell olemetsa ndi omwe amalamulira ntchito yoyezera. Ma cell a pneumatic load nthawi zina amagwiritsidwa ntchito pomwe chitetezo chamkati ndi ukhondo chimafunidwa, ndipo ma hydraulic load cell amaganiziridwa kumadera akutali, chifukwa safuna magetsi. Ma cell a strain gage load amapereka zolondola kuchokera mkati mwa 0.03% mpaka 0.25% zonse ndipo ndi oyenera pafupifupi ntchito zonse zamakampani.
Zimagwira ntchito bwanji?
Mapangidwe a cell onyamula amagawidwa motengera mtundu wa siginecha yomwe imapangidwa (pneumatic, hydraulic, electric) kapena kutengera momwe amawonera kulemera (kupanikizika, kupsinjika, kapena kukameta ubweya)Zopangidwa ndi Hydraulickatundu maselo ndi mphamvu - moyenera zipangizo, kuyeza kulemera monga kusintha kuthamanga kwa madzimadzi kudzazidwa mkati.Mpweyama cell cell amagwiranso ntchito pa mfundo yamphamvu. Zidazi zimagwiritsa ntchito ma dampener angapo
zipinda kuti zipereke zolondola kwambiri kuposa chipangizo cha hydraulic.Kupsyinjika-gagekatundu maselo amasintha katundu kuchita pa iwo kukhala zizindikiro zamagetsi. Ma geji omwewo amamangiriridwa pamtengo kapena membala wamapangidwe omwe amapindika pamene kulemera kwake kuyikidwa.
Nthawi yotumiza: May-06-2021