Yuav ua li cas rau qhov hluav taws kub xaim thaum lub xeem cwj mem tawg
Sab hauv ntawm lub ntsuas ntsuas feem ntau yog tsim los ntawm kev tiv thaiv siab, cov raj neon, thiab cov springs. Tus nqi ntawm qhov kev tiv thaiv siab no feem ntau yog nyob ntawm M Ω theem, thiab nws yog nyob rau hauv series nrog neon raj kom txwv tam sim no thiab tsis txhob loj tam sim no ntws los ntawm neon raj thiab tib neeg lub cev thaum kuaj. Qhov muaj peev xwm ntawm kev puas tsuaj rau lub resistor yog me me, tab sis yog tias muaj qhov tsis zoo xws li kev sib cuag tsis zoo ntawm cov resistor thiab neon raj thiab lub caij nplooj ntoos hlav, tsis paub qhov txhaum, siv tus cwj mem hluav taws xob los ntsuas seb lub cev them puas muaj AC high voltage. . Lub sijhawm no, lub raj neon yuav tsis teeb (lossis qhov ci ntsa iab tsis muaj zog), uas yuav ua rau muaj kev txiav txim siab tsis zoo thiab ua rau cov neeg siv hluav taws xob poob siab. Tsis tas li ntawd, yog tias ntsuas cwj mem yuam kev nkag mus rau hauv dej thiab ntub dej hauv, siv tus cwj mem no los ntsuas qhov hluav taws xob AC220V kuj tuaj yeem ua rau hluav taws xob poob siab. Yog li ntawd, ua ntej siv lub ntsuas ntsuas, nws yog ib qho tsim nyog yuav tsum tau kuaj xyuas nws tus mob thiab paub meej tias tsis muaj qhov tsis zoo ua ntej siv nws.
Thaum siv digital multimeter es tsis txhob ntsuas tus cwj mem los txiav txim qhov xoom thiab nyob ntawm cov xov hlau nyob, qhov hloov pauv tuaj yeem raug teeb tsa rau AC 200V voltage range. Qhov kev sojntsuam dub yuav tsum hu rau hauv av lossis phab ntsa, thiab qhov kev sojntsuam liab yuav tsum hu rau ob lub xovtooj raws li. Yog hais tias qhov kev sojntsuam liab hu rau xoom xaim, qhov hluav taws xob tso tawm ntawm lub multimeter me me, ze rau 0V. Yog hais tias qhov kev sojntsuam liab hu rau cov hlau nyob, qhov voltage tso tawm ntawm lub multimeter feem ntau yog kaum ntawm volts lossis ntau dua. Siv cov qauv no los ntsuas AC high voltage, tsis zoo li ntsuas tus cwj mem hluav taws xob, yuav muaj tam sim no ntws los ntawm tib neeg lub cev, uas muaj kev nyab xeeb dua.
① Nws yog qhov txaus ntshai heev!
② Txawm li cas los xij, qhov phom sij tsis tshwm sim thaum ntsuas cov hlau nyob nrog lub stylus. Lub siab tiv thaiv resistors siv rau hauv ntsuas cwj mem yog cov khoom tseem ceeb resistors, tseem hu ua volumetric resistors, uas tau muab faib ua ob pawg: organic synthetic solid core resistors thiab inorganic synthetic solid core resistors. Hom resistor no yog tsim los ntawm kev sib xyaw thiab nias cov khoom siv hluav taws xob, cov khoom siv hmoov tsis yog siv los ua cov khoom ntim, thiab cov nplaum. Granular conductive cov ntaub ntawv yog carbon dub thiab graphite; Cov ntaub ntawv uas tsis yog cov hmoov txhuas muaj xws li mica hmoov, quartz hmoov, iav hmoov, titanium dioxide hmoov (titanium dioxide hmoov), thiab lwm yam; Qee cov adhesives siv organic adhesives, thaum lwm tus siv inorganic adhesives. Ob pawg ntawm cov organic core resistors thiab inorganic solid core resistors tau hais ua ntej yog qhov txawv raws li hom nplaum. Hom resistor no muaj zog tiv thaiv overload, muaj kev ntseeg siab, thiab tsis yooj yim puas. Yog tias nws puas lawm, nws tseem yuav nyob hauv lub xeev qhib, txhais tau hais tias txawm tias lub raj neon tsis puas tab sis tsis teeb, tus neeg tuav lub ntsuas ntsuas ntsuas hluav taws xob yuav tsis raug hluav taws xob.
③ Qhov phom sij ntawm hluav taws xob poob siab tshwm sim thaum ib tus neeg tsis tuaj yeem kov cov xaim nyob thiab tau txais hluav taws xob poob siab thaum lub resistor ntawm lub ntsuas ntsuas puas lawm thiab lub tswb poob vim yog qhov tseem ceeb ntawm cov hlau tseem raug them!
Yog tias qhov kev tiv thaiv ntawm tus cwj mem ntsuas (feem ntau yog cov khoom tiv thaiv kev tiv thaiv, nrog tus nqi tsis kam ntawm ob peb M) tawg, nws tuaj yeem muab faib ua ob qhov xwm txheej:
Ib qho yog disconnection (uas yog ntau dua). Tom qab qhov kev tiv thaiv raug txiav tawm, lub ntsuas hluav taws xob raug txiav tawm, thiab cov neon npuas ntawm lub ntsuas ntsuas tsis muaj tam sim no, thiab cov npuas neon tsis teeb, uas tuaj yeem ua rau kev txiav txim siab tsis zoo ntawm cov hluav taws xob ntawm qhov ntsuas hluav taws xob;
Qhov thib ob yog luv luv Circuit Court (qhov xwm txheej no tsis tshua muaj), thiab lub raj neon ntawm lub ntsuas mem tawg vim yog lub zog hluav taws xob tam sim no (qhov ua haujlwm ib txwm ua haujlwm ntawm neon npuas yog 70V). Lub sijhawm no, lub raj neon ua lub luag haujlwm kev nyab xeeb thiab yuav tsis ua rau muaj kev phom sij rau tib neeg.
[Ceeb Toom] Feem ntau, qhov ntsuas hluav taws xob ntsuas hluav taws xob yog 220V
