Koj twb npaj mus thiab cog lus txog qhov kev lag luam zoo li fridges, ovens thiab cov khoom sov hniav tuaj yeem ua li cas los tswj hniav zoo tagnrho? Yog ib tug yam uas hu ua cov khoom kaw tswj hniav nyob rau! Cov khoom zoo no tuaj yeem tswj hniav nyob rau qhov hniav koj xav (lossis sov koj tsis xav) los ua kom zoo.
Mev leej uas muaj ntau yam kev zoo uas los ntawm kev siv cov khoom sib npaug ntawm cov khoom txhim kho, xws li Yide proportional temperature controller. Ib qho zoo tshaj plaws yog tias nws pab txhim kho tus cwj pwm, uas yog qhov tseem ceeb heev rau cov nta ntawv xws li ua cib ua noj thiab txhim kho ib chaw kom sov. Tab sis, cov khoom sib npaug ntawm cov khoom txhim kho tuaj yeem pab koj kom tiv thaiv kev hloov pauv ntawm cwj pwm uas tuaj yeem ua rau koj cib ua noj phai thiab ua rau koj pom tias ntau dhau los yog ntshav dhau.
Cov khoom sib npaug ntawm cov khoom txhim kho tsuas yog kev saib xyuas tus nqi ntawm kev sov los yog ntshav uas xav tau rau ib chaw hauv ib lub sijhawm tshwj xeeb los ntawm kev pom ntawm nws tus cwj pwm. Qhov no yog vim tias lawv tuaj yeem zoo dua li lwm yam kev saib xyuas ntawm cwj pwm uas yuav tsum cia thiab ncig mus, tsis txhob tsuas yog tso tawm. Cov khoom sib npaug ntawm cov khoom txhim kho saib xyuas kev sov los yog kev ntshav los ntawm kev siv tsuas yog tib yam uas xav tau thiab tuaj yeem khum siab thiab nqi.
Yuav lawm koj xav tau dab tsi rau ib lub khw tswj hwm teeb ntawm qhov tseem ceeb, muaj qhov 'yuav tsum muaj' qhov zoo. Ib qhov zoo ua hauj lwm yog qhov ua rau koj muaj peev xwm nruj qhov kawg sib txawv-koj tuaj yeem txheeb xyuas lub khw no rau qhov koj xav tau. Koj kuj yuav tsum xa mus rau lub khw uas muaj qhov tso cai rau koj hla mus saib qhov kawg nyob hauv pem teb thiab kho qhov yuav tsum tau. Thaum kawg, hla rau ib lub khw uas muaj peev xwm siv thiab kho tau yooj yooj so koj tuaj yeem siv tag nrho qhov chaw ntawm nws.
Cov txheej kaw tswj hniav tsis yog ib tug siv rau tsev xwb – lawv kuj tuaj yeem muaj tseeb ntau rau hauj lwm kho tshuav. Piv txwv li, los ntawm siv cov khoom kaw tswj hniav nyob rau hauv ib lub sib hnyiav, ib tug neeg siv khoom tuaj yeem paub meej tias cov nta khoom nyob hniav zoo thiab hniav tshiab. Nyob rau hauv ib lub kho tshuav uas cia cov khoom zoo li hniav, cov khoom kaw tswj hniav tuaj yeem tiv thaiv kev phiam thiab ua rau cov khoom yeeb. Kev tso cai rau cov khoom kaw tswj hniav nyob rau hauv qhov chaw kho tshuav tuaj yeem pab cov neeg lag luam txhim kho kev zoo li thiab nyiaj los ntawm kev siv ntev.
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