Cov teeb meem xav tau kev saib xyuas hauv kev tswj xyuas hluav taws xob hluav taws xob
1. Ntxiv kev rho tawm transformer
Hloov cov khoom siv hluav taws xob feem ntau yog cov khoom siv hluav taws xob sib txuas. Rau cov khoom siv hluav taws xob sib txuas sib txuas, txawm hais tias lub rooj tsav xwm hauv Circuit Court qhov chaw thauj khoom yog qhov txias rov qab, lub hauv paus tseem ceeb ntawm kev hloov hluav taws xob hloov hluav taws xob tseem yog qhov kub rov qab. Yog li ntawd, yog hais tias ib qho kev rho tawm transformer tsis tau ntxiv, ib qho Circuit Court ua ntej thawj sab ntawm kev hloov pauv hloov tsis tuaj yeem ntsuas nrog oscilloscope. Txwv tsis pub, lub plhaub oscilloscope yuav tsis tsuas yog them nyiaj xwb, uas yuav ua rau muaj kev hem thawj rau tib neeg thiab tseem yuav hlawv hluav taws xob. Thaum ntsuas qhov hluav taws xob nrog multimeter, nws tsis tas yuav ntxiv kev rho tawm hluav taws xob.
Kauj Ruam 2 Tsis txhob muaj hluav taws xob poob siab
Thaum tswj kev hloov pauv hluav taws xob, kev siv cov hluav taws xob sib cais tsis tuaj yeem lav 100% kev nyab xeeb. Qhov tsim nyog thiab txaus rau hluav taws xob poob siab yog qhov muaj peev xwm sib txawv tshaj qhov muaj kev nyab xeeb ntawm ob lossis ntau tus neeg xyuas pib hauv kev sib cuag nrog lub cev, thiab qee qhov kev siv tam sim no los ntawm tib neeg lub cev. Kev rho tawm hluav taws xob tuaj yeem tshem tawm qhov sib txawv ntawm cov thermal hauv av thiab daim phiaj hluav taws xob thiab tiv thaiv hluav taws xob poob rau qee qhov. Txawm li cas los xij, nws tsis tuaj yeem tshem tawm qhov muaj peev xwm sib txawv ntawm cov ntsiab lus hauv Circuit Court, uas yog, cov neeg ua haujlwm saib xyuas kov cov khoom uas muaj peev xwm sib txawv hauv kev hloov hluav taws xob hloov hluav taws xob nrog ob txhais tes tib lub sijhawm, uas yuav ua rau hluav taws xob poob siab. . Yog li ntawd, thaum kho, yog tias cov neeg saib xyuas yuav tsum ua haujlwm nrog hluav taws xob, lawv yuav tsum xub ua kom lawv lub cev muaj kev ruaj ntseg ntawm lub ntiaj teb, xws li zaum ntawm lub rooj zaum ntoo thiab nqis rau ntawm lub rooj ntoo qhuav lossis rwb thaiv tsev xws li ua npuas ncauj rau ntim; Qhov thib ob, nws yog ib qho tsim nyog los tsim tus cwj pwm ntawm kev khiav hauj lwm nrog ib txhais tes, thiab thaum nws yog ib qho tsim nyog yuav tsum tau sib cuag nrog cov khoom nyob, tiv thaiv lub voj los ntawm kev sib sau los ntawm lwm tus tes lossis lwm qhov ntawm lub cev, thiab lwm yam. Cov no yog cov kev ntsuas zoo rau zam hluav taws xob poob siab.
3. Xaiv lub peev xwm siv tau zoo
Txhawm rau ntsuas qhov voltage ntawm lub hwj huam mov Circuit Court, nws yog ib qho tsim nyog los xaiv cov peev txheej siv. Hauv av ua ntej thawj sab ntawm kev hloov pauv hloov pauv yog av kub, thiab hauv av tom qab thawj sab ntawm lub hloov pauv hloov pauv yog av txias. Lawv tsis yog equipotential. Yog li ntawd, thaum ntsuas qhov voltage ntawm lub hauv paus Circuit Court ntawm lub transformer hloov, coj lub thermal hauv av raws li cov ntsiab lus siv, uas yog, txuas qhov tsis zoo sojntsuam ntawm lub multimeter mus rau hauv av thermal; Thaum ntsuas qhov thib ob Circuit Court (load Circuit Court) ntawm kev hloov pauv hloov pauv, nws yog qhov yuav tsum tau coj cov av txias raws li qhov taw qhia, uas yog, txuas qhov tsis zoo ntawm cov ntsuas ntsuas rau hauv av txias.
4. Thaum lub hwj chim mov tsis oscillating, qhov voltage ntawm ob qho kawg ntawm lub loj lim capacitor yuav tsum tau tso tawm.
Kho cov khoom siv fais fab uas tsis muaj qhov tso tawm, thiab tom qab ntawd txiav tawm lub zog hluav taws xob tom qab nws muaj zog. Vim tias cov khoom siv hluav taws xob tsis oscillate, qhov hluav taws xob tawm ntawm ob qho kawg ntawm lub tshuab lim loj (300V lim capacitor) yuav qeeb heev. Lub sijhawm no, yog tias koj xav ntsuas lub zog hluav taws xob nrog lub teeb meem hluav taws xob ntawm multimeter, koj yuav tsum xub tso tawm qhov hluav taws xob ntawm ob qho kawg ntawm lub lim dej loj (koj tuaj yeem siv lub zog loj me me kom tso tawm), thiab ces koj tuaj yeem ntsuas nws. Txwv tsis pub, nws yuav tsis tsuas yog ua puas lub multimeter, tab sis kuj ua rau muaj kev ruaj ntseg ntawm cov neeg ua haujlwm tu.
5. Lub sijhawm pib yuav tsum tau tswj xyuas thaum kho.
Thaum overhauling ntau faults uas cov zis voltage ntawm switching fais fab mov yog siab tshaj qhov qub tus nqi, lub sij hawm pib yuav tsum luv li sai tau, thiaj li tsis mus ua txhaum los ntawm lub switching tube thiab load Cheebtsam thiab ua rau tsis tsim nyog poob. Tus qauv ntawm lub sijhawm pib yog lub sijhawm luv tshaj plaws uas yuav tsum tau ntsuas qhov voltage tus nqi ntawm ib qho chaw. Hauv kev saib xyuas tiag tiag, koj tuaj yeem tuav lub stylus ntawm ib txhais tes thiab nias qhov hloov mus rau lwm qhov, qhib lub hwj chim hloov, thiab tua lub hwj chim tam sim ntawd tom qab nyeem kom meej.
6. Saib xyuas qhov tso zis hluav taws xob ntawm cov khoom siv hluav taws xob hloov thaum nws rov qhib dua tom qab hloov cov khoom tsis raug.
Txheeb xyuas qhov hloov pauv hluav taws xob thiab pom lossis xav tias muaj qee yam tsis raug nrog cov khoom siv. Tom qab hloov cov khoom tivthaiv no, saib xyuas qhov tso tawm qhov hluav taws xob ntawm qhov hluav taws xob hloov pauv (105 ~ 150 V) thaum pib. Yog tias nws ntau dua li tus nqi ib txwm, kaw nws sai. Tom qab ntawd xyuas raws li qhov ua txhaum ntawm cov zis hluav taws xob siab.
7. Kho qhov puas fuse tube
Fuse fuse hauv AC input circuit tsis tshua muaj tshwm sim los ntawm kev puas tsuaj ntawm fuse, tab sis feem ntau tshwm sim los ntawm kev ua txhaum luv luv ntawm Circuit Court tom qab, xws li luv luv ntawm rectifier diode ntawm kev lag luam fais fab thiab luv luv ntawm lub hwj chim hloov raj. Yog li ntawd, yog hais tias lub fuse tube puas lawm, cov saum toj no tej yam yooj yim Cheebtsam yuav tsum tau kuaj thiab hloov ua ntej, thiab ces yuav tsum tau hloov lub tshiab fuse tube xeem tshuab. Thaum lub fuse tube puas lawm, nws yuav tsum tau hloov nrog cov khoom tshiab ntawm tib lub specification, thiab tooj liab hlau yuav tsum tsis txhob siv los hloov, thiaj li tsis ua rau muaj kev puas tsuaj loj rau lub Circuit Court. Thaum lub fuse tube puas lawm tig dub los yog cov duab tube tawg, nws txhais tau hais tias lub back-theem Circuit Court yog luv luv Circuit Court, yog li nws yuav tsum tau ua tib zoo xyuas.
8. Kev tu ntawm electrolytic capacitor hauv kev hloov pauv hloov pauv
Qhov tsis ua hauj lwm ntawm electrolytic capacitor nyob rau hauv qhov kub kawg Circuit Court ntawm switching transformer yog siab, tab sis ib co capacitor yog ntsuas ib txwm nrog multimeter, tab sis muaj teeb meem nyob rau hauv qhov tseeb. Yog li ntawd, nws tau hais tias 2.2 ~ looμ f electrolytic capacitor nyob rau hauv lub kub-kawg Circuit Court ntawm switching transformer yuav tsum tau overhauled los ntawm kev hloov txoj kev kom tsis txhob muaj kev txiav txim tsis ncaj ncees lawm.
