Zero simba kuramba kukosha rt (ω)
RT zvinoreva kukosha kwekupokana kunoyerwa pane yakatarwa tembiricha tinoshandisa simba rakayerwa rinokonzeresa kushanduka kwekushanduka mukukosheswa kukosheswa kukosheswa kuyerwa kwekuyera.
Hukama pakati pekudzivisa kukosha uye tembiricha shanduko yezvirevo zvemagetsi zvinotevera:
Rt = rn expb (1 / t - 1 / tn)
RT: NTC Thermistor kuramba pa tembiricha t (k).
RN: NTC Thermistor Resistance kuRated tembiricha TN (k).
T: tembiricha yakatsva (k).
B: Chinyorwa chinoramba chichigara cheNTC Thermistor, inozivikanwawo seaya maimba yekunzwa index.
Exp: Expontion inoenderana neyakasikwa nhamba e (E = 2.01828 ...).
Ukama ihwo hunokwanira uye hune huwandu hwekunyatsojeka mukati memukati meser red tyturity tembiricha tn kana rated kupesana rn, sezvo zvinyorwa zvinogara zvichingoitika basa rekupisa tembiricha t.
Rated zero zero simba kuramba r25 (ω)
Maererano neNational Standard, iyo Ratary Zero Simba Kuparadzira kukosha ndiko kukosha kwekupokana R2 yakayerwa neiyo NTC Thermistor pakuregererwa kweExpress of 25 ℃. Iyi kukosha kwekudzivisa ndeyechokwadi kudzikisira kukosha kweiyo NTC Thermistor. Kazhinji vakati NTC Thermistor kuti yakadii kudzivisa kukosha, zvakare zvinoreva kukosha.
Zvinyorwa zvinogara (thermal sensitivity index) b kukosha (k)
B tsika dzakatsanangurwa se:
RT1: Zero Simba Kudzivisa paTembiricha T1 (K).
RT2: Zero Simba Kupikisa Kukoshesa Kukosha pakupisa T2 (k).
T1, T2: maviri akatsemurwa tembiricha (k).
Kune vanozivikanwa NTC vanoremedza, B Kukoshesa kubva 2000k kusvika 6000k.
Zero Simba Kupesana Kupisa Tembiricha Coefficient (αt)
Ratoo yekuchinja kwehama muZero-simba kuramba simba reNTC Thermistor pane tembiricha yakatsanangurwa kusvika pakuchinja kwekushisa iyo inokonzera shanduko.
αt: Zero Simba Kupesana Kupisa Tembiricha kuenzana pakupisa t (k).
RT: Zero Simba Kupikisa Kukosha Kukosha pakupisa t (k).
T: tembiricha (t).
B: Zvinyorwa zvinogara zvichingodaro.
Kusagadzikana Cooffient (δ)
Pane tembiricha yakatsanangurwa, kusarongeka kwekutenderera kweNTC thermistor ndiyo huwandu hwesimba rakanyungudutswa mukudzidzira kudziya kwekudziya kunoenderana.
δ: Disipation Coefficient yeNTC Thermistor, (MW / K).
△ P: Simba rinopedzwa neNTC Thermistor (MW).
△ T: NTC Thermistor inodya simba】 p, inoenderana tembiricha shanduko yemuviri unodziya (k).
Nguva yekudyara nguva dzose yezvirevo zvemagetsi (τ)
Pasi pe zero zero simba mamiriro, kana tembiricha ichichinja nekukurumidza, iyo tembiricha tembiricha inochinja nguva inodiwa ye63.2% yeiyo yekutanga tembiricha. Nguva yekudyara nguva dzose inoenderana neyekupisa kweiyo hiscality yeiyo NTC Thermistor uye zvakanyanyisa kuenderana nekusagadzikana kwayo.
τ: nguva yekudyara nguva dzose (s).
C: Kupisa simba re ntc thermistor.
δ: Disipation cocaket yeNTC Thermistor.
Rated Simba PN
Iyo inobvumidzwa simba simba rekushandiswa kweiyo Thermistor mukuenderera mberi kushanda kwenguva yakareba pasi pemamiriro ezvinhu ehunyanzvi. Pasi pesimba iri, kupisa kwemuviri kune tembiricha hakupfuure hukuru hwekushandisa kwekushandisa.
Maximum anoshanda tembirichaTmax: Tembiricha yepamusoro iyo iyo thermistor inogona kushanda nguva yekuenderera kwenguva yakareba pasi pemamiriro ezvinhu ehunyanzvi. Ndokunge, t0- ambient tembiricha.
Zvigadzirwa zvemagetsi zvinoyera simba pm
Pakusiya kwakatsanangurwa tembiricha, kukosha kwekuramba kweyekupesana kwemuviri kupisa nechiyero chazvino chinogona kufuratirwa maererano neyekupedzisira kuyerwa. Izvo zvinowanzodikanwa kuti shanduko yekudzivisa kukosha yakakura kupfuura 0,1%.
Kutumira Nguva: Mar-29-2023