Lub tshuab hluav taws xob tswj cov hlau nyob los ntsuas cov hlau nruab nrab nrog tus cwj mem xeem, dab tsi yog qhov teeb meem?
1. Rau qhov kev piav qhia ntawm qhov teeb meem no, vim tias xoom kab yog me ntsis ci, vim li cas rau qhov tshwm sim no feem ntau yog oxidation tshwm sim ntawm lub puab tsaig sib koom ntawm xoom kab, uas ua rau tsis zoo sib cuag, tab sis qhov xwm txheej no tuaj yeem txiav txim siab raws li qhov kev sib txuas ntawm cov xoom kab. xoom kab disconnection ntawm lub ntsiab kab, vim hais tias xoom kab ntawm lub ntsiab kab yog disconnected los yog kev sib cuag yog tsis zoo, qhov txhaum tshwm sim thiab qhov tshwm sim tshwm sim yog txawv, yog li peb yuav tsis soj ntsuam nws ntawm no.
2. Tshawb xyuas los ntawm ntu thiab nqaim qhov kev nthuav dav. Ua ntej, xyuas seb cov kab nruab nrab ntawm lub taub hau sab sauv thiab sab qis ntawm qhov hloov yog qhov qub thaum lub ntsiab hloov pauv nyob rau hauv qhov chaw kaw. Yog tias cov kab nruab nrab yog qhov qub thiab tsis muaj lub zog, nws feem ntau yog ib qho teeb meem nyob rau hauv qab ntawm qhov hloov. Koj tuaj yeem tshawb xyuas cov kab txuas ntawm kab los ntawm ntu. Tom qab pom qhov txhaum, rov xaim thiab qhwv nws. Vim tias qhov teeb meem feem ntau yog nyob rau hauv txoj kab kev sib txuas. Cov xwm txheej zoo li no tshwm sim ntau tshaj plaws, thiab feem ntau nws yog cov kab hluav taws xob qub los ntawm lub sijhawm ntev dhau los. Tam sim no txoj hlua sab hauv tsev thiab kev teeb tsa yog kev tshawb fawb heev, thiab feem ntau qhov teeb meem no yuav tsis tshwm sim.
3. Yog tias thaum kuaj xyuas qhov hloov mus rau thiab tawm ntawm pawg, tsis muaj lub zog ntawm lub xoom kab nyob rau sab saum toj ntawm pawg, tab sis muaj lub zog nyob rau hauv qab ntawm pawg. Hauv qhov no, qhov hloov pauv feem ntau tawg. Koj tuaj yeem qhib thiab kaw qhov hloov pauv ntau zaus. Qee lub sij hawm lub hwj chim tuaj yeem rov qab tau ib ntus, tab sis nws yuav tsum tau hloov pauv lub sijhawm.
Yog tias cov kab nruab nrab ntawm qhov hloov pauv tseem raug them thaum lub sijhawm kuaj xyuas, koj tsuas tuaj yeem hu rau kev kho qhov no, vim tias tej zaum yuav muaj kev tshuaj xyuas los ntawm kev nce tus ncej, thiab cov neeg siv tsis tuaj yeem daws tau yooj yim.
Muaj ob txoj hauv kev. Ua ntej, txhawm rau tso cai rau cov neeg siv kom pom qhov hloov pauv tau yooj yim hauv qhov tsaus ntuj, qee qhov hloov pauv ntawm phab ntsa muaj qhov taw qhia lub teeb txuas nrog qhov hloov. Thaum lub qhov hluav taws xob kaw, qhov taw qhia lub teeb tseem qhib. Ib qho me me tam sim no dhau los ntawm qhov hloov pauv. Thib ob, rau txhua lub teeb fluorescent, txawm tias lawv yog cov raj fluorescent zoo tib yam lossis lub teeb txuag hluav taws xob, phosphor hmoov muaj qee yam kev ncua sijhawm tua tus yam ntxwv, uas yog hu ua "afterglow". Tam sim no hais tias kev tshawb fawb tau nce siab, nrog cov kua siv lead ua kua thiab cov khoom siv sib raug zoo, nws yooj yim los tso saib yam tsis tshwm sim tib lub sijhawm ntawm tib lub vijtsam. Piv txwv li, lub ntsuas hluav taws xob electrocardiogram qhia txog kab kab rov tav uas hloov pauv nce thiab nqis nrog lub plawv dhia. Qhov tseeb, txhua qhov kev hloov pauv ntawm kab kab rov tav no tsis tshwm sim tib lub sijhawm, tab sis muaj lub sijhawm ua haujlwm. Nyob rau hauv lub sijhawm uas tsuas muaj CRT saib yav dhau los, tsuas muaj ib qho kev hloov pauv nrog lub plawv dhia. Yuav kom tso saib ib kab, yuav tsum tau siv "ntev tom qab" zaub, kom lub scanning point tsis tawm tam sim ntawd tom qab hla dhau, tab sis rov tshwm sim tom qab lub sij hawm ntev. Tig tawm maj mam ua rau qhov txav ntawm ib qho taw tes ua kab zaub. Lub oscilloscope nyob rau lub sijhawm ntawd kuj yog los ntawm tib lub ntsiab lus.
Cov kab nruab nrab yog lub voj ntawm txhua yam khoom siv hluav taws xob. Txij li cov kab nruab nrab muaj qee qhov kev tiv thaiv, qhov ntau dua qhov kev tiv thaiv ntawm cov kab nruab nrab lossis qhov loj dua qhov tam sim no ntawm cov kab nruab nrab, qhov siab dua qhov sib thooj voltage saum toj no. Yog li ntawd, lub xoom kab tsis yog kiag li tsis muaj hluav taws xob, thiab nws tseem ua tau tias tus cwj mem xeem tau ci me ntsis. Tau kawg, yog tias qhov nruab nrab kab hluav taws xob muaj kev sib cuag tsis zoo, thiab lwm yam, qhov nruab nrab kab hluav taws xob yuav siab. Yog li nws yog qhov zoo tshaj los ntsuas qhov voltage nrog lub voltmeter.
Ib qho qhib Circuit Court ntawm lub fuse ntawm ib theem ntawm lub transformer kuj yuav ua rau xoom kab yuav ci me ntsis thaum ntsuas nrog ib tug hluav taws xob cwj mem. Thaum lub cev muaj zog kub hnyiab tawm thiab ib theem deb ntawm txoj kab yog grounded los ntawm lub cev muaj zog, nws tseem yuav ua rau xoom kab yuav ci me ntsis thaum ntsuas los ntawm hluav taws xob cwj mem. Thaum cov kab nruab nrab raug txiav tawm ntawm cov khoom siv hluav taws xob thiab dhau los ntawm cov khoom siv hluav taws xob, nws tseem yuav ntsuas cov kab nruab nrab nrog hluav taws xob, thiab cov cwj mem hluav taws xob kuj tseem ci.
Nws yog qhov yooj yim heev, tsuav yog qhov nruab nrab ntawm qhov nruab nrab yog qhov ua tau zoo, nws tsis tuaj yeem ua rau qhov tshwm sim no tshwm sim. Yog tias qhov tshwm sim no tshwm sim, yuav tsum muaj kev cuam tshuam lossis kev ua haujlwm tsis zoo nyob rau hauv qhov chaw nruab nrab ntawm cov kab hluav taws xob, lossis cov khoom siv hluav taws xob txuas nrog hauv series. Txoj kev daws teeb meem yog txhawm rau txuas cov kev sib txuas tsis zoo los yog ua tsis zoo ntawm qhov nruab nrab Circuit Court. Yog tias ob lub tshuab hluav taws xob txuas nrog hauv ib lub voj voog, ib qho khoom siv hluav taws xob yuav raug txiav tawm thiab tsuas yog ib qho khoom siv hluav taws xob nkaus xwb.
