Yuav ua li cas tshwm sim rau lub fuse tom tsev? Yuav ua li cas ntsuas qhov tam sim no nrog multimeter
Yuav ua li cas tshwm sim rau lub fuse tom tsev?
Raws li ib txwm muaj, lub fuse tuaj yeem hlawv tawm hauv cov xwm txheej hauv qab no:
①, kab sib npaug,
②, luv luv Circuit Court
③ Kev siv ntau dhau, siv cov khoom siv hluav taws xob tshaj qhov ntsuas tam sim no ntawm lub fuse.
④, Cov hniav hloov tau raug teeb tsa tsis raug. Thaum txuas cov hniav hloov, cov hlau xaus tsis txuas nrog nruj, thiab lub fuse yog crimped nruj nreem. Thaum siv, nws yog ib qho yooj yim los ua kom kub thiab kub ntawm qhov sib koom ua ke, yog li nws yooj yim rau hlawv lub fuse.
Qhov thib ob lo lus nug, yuav ua li cas ntsuas tam sim no nrog ib tug multimeter?
Thaum siv multimeter los ntsuas qhov tam sim no, tig qhov hloov pauv ntawm multimeter mus rau AC voltage thiab tam sim no iav. Koj tuaj yeem ua ntej kwv yees tag nrho cov load ntawm tag nrho cov khoom siv hluav taws xob hauv tsev. Thaum lub multimeter raug kho kom siab dua los yog sib npaug rau tag nrho cov khoom tam sim no ntawm cov khoom siv hauv tsev, nws txuas nrog hauv series. Nws tuaj yeem ntsuas tau ntawm txoj kev (ua tib zoo saib xyuas kev ua haujlwm nyab xeeb, tiv thaiv hluav taws xob, tsis yog cov kws tshaj lij tsis pom zoo los ua haujlwm)
Txij li thaum tam sim no thaiv ntawm lub multimeter muaj ntau yam me me, nws raug nquahu kom siv cov cuab yeej tshwj xeeb nrog ntau qhov loj, lub clamp ammeter, ntev npaum li cov xaim ib zaug yuav tsum ntsuas tau muab tso rau hauv lub ntsuas clamp nrog txoj kev paving. (ceeb toom, lub ntsuas hluav taws xob hloov pauv hloov pauv ntawm lub ntsuas hluav taws xob mus rau qhov tsim nyog iav ntawm lub ntsuas hluav taws xob tam sim no ntawm Tianjin meter), qhov no yog tus lej pom, uas yog tam sim no (A) ntawm hluav taws xob siv tam sim no
Kev pov hwm hluav taws kub tsis muaj dab tsi ntau tshaj li qhov overload thiab luv luv Circuit Court. Lub fuse (tube) muaj qhov ntsuas ntsuas, thiab nws yuav tshuab yog tias nws tshaj qhov load. Thaum cov khoom siv hluav taws xob tsis pub dhau qhov kev pov hwm kev siv nyiaj, nws yog ib qho teeb meem nrog ib tus neeg circuits. Qee qhov zoo tib yam multimeters tsuas yog ntsuas DC tam sim no thiab tsis tuaj yeem txuas rau hauv series rau AC circuits. Kev saib xyuas dav dav yuav tsum siv qee qhov qhib Circuit Court, kev tshuaj xyuas hluav taws xob. Yog tias lub fuse tsis tau tshuab lawm tom qab qhov twg raug txiav tawm, qhov kev ua txhaum ntawm qhov pib tuaj yeem pom. Yog tias tag nrho cov loads raug txiav tawm thiab cov ntawv pov hwm tseem raug hlawv, nws tuaj yeem txiav txim siab tias txoj kab tsis raug. Disconnect lub hwj chim mov thiab load, thiab siv ib tug multimeter los thaiv thiab ntsuas qhov kev tiv thaiv ntawm kab. Yog tias muaj teeb meem nrog txoj kab, koj tuaj yeem hloov txoj kab lossis rov ua dua. Nws yuav tsum tau kho los ntawm tus kws tshaj lij hluav taws xob, tsis txhob ua haujlwm ntawm qhov xav tau. Tom qab tag nrho, nws yog "tig hluav taws xob", yog li tsis txhob ua haujlwm txaus ntshai.
