Ukuhlola ukusebenza kwentambo, i-wiring kuyadingeka ukukala ukumelana kokufakelwa. Kulokhu kukhona idivaysi ekhethekile - i-megameter. Inika i-voltage ephakeme ku-chain elilinganisiwe, ilinganisa ukugeleza kwamanje kuyo, futhi izingqinamba ziphumela esikrinini noma esikalini. Ungayisebenzisa kanjani i-megameter futhi ucabangele kule ndatshana.
Idivayisi kanye nomgomo wokusebenza
I-megameter iyithuluzi lokuhlola ukumelana kokufakelwa. Kunezinhlobo ezimbili zamadivayisi - ama-elekthronikhi kanye ne-shooter. Kungakhathalekile ukuthi luhlobo luni, noma iyiphi i-megameter iqukethe:
- Umthombo wamandla aguqukayo.
- Imitha yamanje.
- Isikrini sedijithali noma isikali sokulinganisa.
- Amasheke, ngendlela yokungezwani okuvela kudivayisi idluliselwa entweni elinganisiwe.
Le yindlela umdubuli megammeter (kwesobunxele) kanye ne-elekthronikhi (kwesokudla) kubukeka sengathi
Kumadivayisi wokudubula, i-voltage ikhiqizwa i-dynamo eshumekiwe kuleli cala. Iqhutshwa yimitha - ibopha isibambo sensimbi ngemvamisa ethile (ukujika okungu-2 ngomzuzwana). Amamodeli we-elekthronikhi athatha amandla avela kunethiwekhi, kepha angasebenza kusuka kumabhethri.
Ukusebenza kwe-megameter kususelwa emthethweni we-ohm: i = u / r. Idivayisi ilinganisa okwamanje okugeleza phakathi kwezinto ezimbili ezixhunyiwe (imithambo yentambo emibili, imfuyo, njll.). Izilinganiso zenziwa ngogesi olinganisiwe, inani layo elaziwayo, lazi amanje nogesi, lingatholakala ukumelana: r = u / i, okwenzayo, okwenzayo, okwenza idivaysi.
Isikimu esilinganiswayo se-magommeter
Ngaphambi kokubheka ukuthi kungenzeka i-Probe ifakwe kuma-jacks afanele kudivayisi, ngemuva kwalokho axhunyiwe entweni yokulinganisa. Lapho kuhlolwa, kukhiqizwa amandla aphezulu kudivayisi, edluliselwa entweni ebhekwayo. Imiphumela yokulinganisa iyakhonjiswa eMuma Mega (IOM) esikalini noma esikrinini.
Sebenza nge-megameter
Lapho uhlola, i-megameter ikhiqiza i-voltage ephezulu kakhulu - 500 v, 1000 v, 2500 V. Mayelana nalokhu, izilinganiso kumele zenziwe ngokucophelela kakhulu. Emabhizinisini azosebenza kudivayisi, abantu abaneqembu lokuphepha elikagesi elingaphansi kwama-3RD avunyelwe.
Ngaphambi kokukala i-megameter, emaketangeni okuhlola ayinqanyuliwe ekuphathweni kwamandla. Uma uzohlola isimo se-wiring endlini noma efulethini, udinga ukucisha ukushintshwa kwesihlangu noma unscrew. Ngemuva kokuthi wonke amadivayisi we-semiconductor acishiwe.
Enye yezinketho zama-Megohmmeters anamuhla
Uma uhlola amaqembu esokhethi, thatha imfoloko yawo wonke amadivayisi afakiwe kuwo. Uma amaketanga okukhanyisa ahloliwe, ama-bulbs akhanyayo acishiwe. Ngeke bame kagesi. Lapho ubheka ukufakwa kwezinjini, nazo zinqanyulwa ngokuphelele ekuphathweni kwamandla. Emva kwalokho, ukufutheka kuxhunyiwe kwimibuthano ehlolwe. Ukuze wenze lokhu, ucingo oluhlangene esigabeni sesiphambano okungenani esingu-1.5 mm2 lunamathele ethayeni "lomhlaba". Lesi yisisekelo esibizwa ngokuthi esiphaphathekayo. Ngomsebenzi ophephe, ukuphela kwamahhala nomqhubi ongenalutho kunamathiselwe kumnikazi wokhuni omile. Kepha isiphetho esingenalutho socingo kufanele sibe khona - ukuze ukwazi ukubathinta kwizintambo namakhebuli.
Izidingo zezimo zokusebenza eziphephile
Noma ufuna ekhaya ukukala ukumelana kwentambo yekhebula, ngaphambi kokusebenzisa i-megameter kufanelekile ukujwayela izidingo zokuphepha. Imithetho eyisisekelo inezinto eziningana:
- Gcina okungenziwa kuphela nge-solated futhi kuvinjelwe izitobha.
- Ngaphambi kokuxhuma idivaysi, vala amavoluka, qiniseka ukuthi abukho abantu abaseduze (kuyo yonke indlela elinganisiwe, uma sikhuluma ngezintambo).
Ungayisebenzisa kanjani i-megameter: Imithetho Yokuphepha Kagesi
- Ngaphambi kokuxhuma i-probe, susa amavolumu asele usebenzisa ukuxhumana komhlaba okuphathekayo. Bese uyicisha ngemuva kokuthi i-probe ifakiwe.
- Ngemuva kwesilinganiso ngasinye, kususa amavolumu asele ngokuxhuma izingxenye zawo ezingenalutho ndawonye.
- Ngemuva kokulinganisa umsebenzi olinganiselayo, xhuma umhlabathi ophathwayo, ususa imali ekhokhwayo.
- Sebenza ngamagilavu.
Imithetho ayiyinkimbinkimbi kakhulu, kepha ukuphepha kwakho kuncike ekusetshenzisweni kwazo.
Ungaxhuma kanjani uProbe
Idivayisi imvamisa inama-slots amathathu wokuxhuma uphenyo. Zitholakala phezulu kwezinsimbi futhi zisayiniwe:
- E-screen;
- L-line;
- S - Umhlaba;
Kukhona futhi ama-probe amathathu, elinye lawo elinamathiphu amabili ohlangothini olulodwa. Kusetshenziswa lapho udinga ukukhipha imisinga yokuvuza futhi kunamathele esikrinini sekhebula (uma kukhona). Ngokuphambukisa kabili kwale probe kukhona incwadi ethi "E". Lelo pulaki elivela kulokhu kususwa futhi lifakwe esidlekeni esihambisanayo. Ipulaki lesibili lifakwa ku-slot "L" - line. Esidlekeni somhlaba ngaso sonke isikhathi kuxhuma ugesi ofanayo.
Izakhiwo zeMegameter
Kukhona izitobha ezinzwaneni zethu. Lapho wenza izilinganiso ngezandla ukuze uzithathe ukuze iminwe yakho ifike kulezi zitobha. Lesi isidingo somsebenzi ophephile (khumbula ama-voltage aphezulu).
Uma udinga ukubheka kuphela ukumelana kokufakelwa ngaphandle kwesikrini, ukuphenywa okubili okukodwa kufakwa - eyodwa ku-terminal "z", enye in the terminal "L". Ngosizo lwama-crocodiles class emaphethelweni, sixhumanisa uProbe:
- Ukuhlola izintambo, uma udinga ukubheka ukuwohloka phakathi kwemithambo yentambo.
- Endaweni yokuhlala kanye "nomhlaba", uma sibheka "ukuwohloka komhlaba".
Kukhona incwadi ethi "E" - Lo mphetho ufakwe esidlekeni ngencwadi efanayo.
Azikho ezinye izinhlanganisela. Kuhlolwe ukuhlukaniswa okuvame kakhulu nokuqhekeka kwayo, ukusebenza nesikrini akuvamile, njengoba izigqoko ezivikelekile ngokwazo ezindlini nasezindlini ezizimele azisetshenziswa. Empeleni, akunzima ikakhulukazi ukusebenzisa i-megoomaliter. Kubalulekile kuphela ukuthi ungakhohlwa ngokuba khona kwamandla aphezulu kanye nesidingo Susa imali ekhokhwa ngensalela ngemuva kokulinganisa ngakunye. Lokhu kwenza ukuthi kuthandwe ngocingo kucingo olulinganiselwe nje. Ukuphepha, lolu wire lungalungiswa ku-polt yokhuni elomile.
Inqubo yokulinganisa
Dweba amandla azokhipha i-megameter. Akukhethwe ngokunganqikazi, kepha kusukela etafuleni. Kukhona ama-megaMommeter asebenza kuphela ngogesi owodwa, asebenza nabaningi. Into yesibili, eqondakalayo ilula kakhulu, ngoba ingasetshenziswa ukuvivinya amadivayisi ahlukahlukene namaketanga. I-switchch Test Voltage yenziwa isibambo noma inkinobho kwiphaneli yangaphambili yedivayisi.
| Igama Lento | I-Megameter Voltage | Ukumelana Okungavunyelwe Ukuvuselelwa Kwezifiso | Amanothi |
|---|---|---|---|
| Ugesi kanye nezinto zokusebenza nge-voltage kuze kube ngu-50 v | 100 B. | Kumele ifane nepasipoti, kepha hhayi ngaphansi kwezikhathi eziyi-0,5 | Ngesikhathi sokulinganisa, amadivaysi e-semiconductor kumele ahlolwe |
| Futhi, kepha voltage kusuka ku-50 v kuya ku-100 v | 250 B. | ||
| futhi kepha voltage kusuka ku-100 v kuya ku-380 v | 500-1000 B. | ||
| Ngaphezulu kwama-380 v, kepha hhayi ngaphezulu kwe-1000 ku | 1000-2500 B. | ||
| Ukusabalalisa amadivaysi, izihlangu, umqhubi | 1000-2500 B. | Okungenani 1 mω | Kala isigaba ngasinye sedivayisi yokusabalalisa |
| I-Wiring, kufaka phakathi inethiwekhi yokukhanyisa | 1000 B. | Hhayi ngaphansi kuka-0.5 mama | Ezindaweni eziyingozi zokulinganisa zibanjwa kanye ngonyaka, eDruich - kanye njalo ngeminyaka emithathu |
| Izitofu zikagesi ezimile | 1000 B. | Okungenani 1 mω | Ukukalwa kwenziwa epuletini elivuthayo elinqunyelwe okungenani isikhathi esingu-1 ngonyaka. |
Ngaphambi kokusebenzisa iMegameter, siyaqiniseka ngokubikwa kwamandla kagesi kulayini - umhloli noma isikulufa senkomba. Ngemuva kwalokho, selulungiselele idivaysi (setha i-voltage futhi esithombeni sokubonisa isikali sokulinganisa) nokuxhuma umgomo, susa umhlabathi kusuka kukhebula kuhlolwe (uma ukhumbula, kuxhumeka ngaphambi kokuqala umsebenzi).
Isigaba esilandelayo - sifaka i-megameter: kwi-elekthronikhi ucindezela inkinobho yokuhlola, ngokuqondisa kwesibambo se-dynamo esihlangelini. Esikushoneni, siyaphenduka kuze kube yilapho isibani sisezindlini - kusho ukuthi ivolumu edingekayo ku-chain idaliwe. Ku-digital ngasikhathi esithile, inani alizinzi inani. Izinombolo esikrinini zimelana nokungasebenzi. Uma kungaphansi kokujwayelekile (ngokwesilinganiso kuchaziwe etafuleni, futhi okuqondile ku-Passport kuya kumkhiqizo), kusho ukuthi konke kuvamile.
Ungalinganisa kanjani i-megameter
Ngemuva kokukalwa sekuphelile, yeka ukudubula i-Megohmmeter Knob noma chofoza inkinobho yokulinganisa yokulinganisa kwimodeli ye-elekthronikhi. Ngemuva kwalokho, unganqamula uphenyo, susa i-desiual voltage.
Kafushane - le yiminye imithetho yokusebenzisa i-megameter. Ezinye izinketho zokulinganisa zizobheka okuningi.
Ukulinganiswa kokumelana kwekhebula
Imvamisa udinga ukukala ukumelana kwentambo noma ngocingo. Uma uyazi ukuthi usebenzise kanjani i-megameter, lapho ubheka ikhebula elilodwa-eliyisisekelo ngeke kuthathe umzuzu, kuzofanela kuthambekele isikhathi eside. Isikhathi esiqondile sincike kwinani lokuphila - kuzofanele uhlole ngamunye.
I-Voltage Test ikhetha ukuthi ucingo luzosebenza kuliphi ivola. Uma uhlela ukuyisebenzisa nge-wiring ngo-250 noma 380 v, ungabeka i-1000 v (bheka ithebula).
Ihlola ikhebula elinezisekelo ezintathu - awukwazi ukusonteka, bese uhambisa bonke ngababili
Ukuhlola ukumelana kokufakelwa kwekhebula elilodwa-ikhebula, okukodwa okubambelele emgogodleni, owesibili - esihlokweni sezembatho, ahlinzeke amavolo. Uma kungekho zempi zempi, uphenyo lwesibili luvikelekile ku-terminal "yoMhlaba" futhi futhi unikeze ukungezwani kokuhlolwa. Uma ukufundwa kungaphezu kuka-0,5 m ω, konke kujwayelekile, ucingo lungasetshenziswa. Uma kungaphansi kokufakelwa, akunakwenzeka ukukusebenzisa.
Uma udinga ukubheka ikhebula elishayekile, ukuhlolwa kwenziwa ngethambo ngalinye ngokwahlukana. Ngasikhathi sinye, bonke abanye abaqhubi basontekile bangene emahhanyini. Uma kudingeka futhi ukuvivinya ukuwohloka eMhlabeni ", ucingo oluxhunywe ebhasini elihambisanayo lungezwe kumahhanisi onke.
Ukube bekuhlala okuningi, ngaphambi kokusebenzisa i-megameter, imithambo iyahlanzwa yodwa futhi isontekile ekuhambeni kwe-harness
Uma ikhebula linesikrini, i-sheath yensimbi noma izembatho zempi, nazo zingezwe kuma-harness. Lapho kwakheka amahhanisi, kubalulekile ukuqinisekisa ukuthintana okuhle.
Cishe ukulinganiswa kokumelana kokufakelwa kwamaqembu wesokhethi kwenzeka. Ezitolo zicisha wonke amadivaysi, cisha amandla esihlangu. I-ProBE eyodwa ifakwe emhlabathini esigungwini, owesibili ungenye yezigaba. I-Test Voltage - 1000 v (etafuleni). Vula, hlola. Uma ukumelana okulinganiselwe kukhulu kune-0.5 m ω, i-wiring ijwayelekile. Siyaphinda ngokuhlala kwesibili.
Uma i-wiring kagesi yesampula yakudala isesigabeni kanye ne-zero, ukuhlolwa kwenziwa phakathi kwabaqhubi ababili. Amapharamitha ayafana.
Hlola ukumelana kokufakelwa kwemoto kagesi
Ukwenza isilinganiso, injini inqanyuliwe emandleni. Kuyadingeka ukuthola iziphetho zomoya. Izinjini ze-Asynchronous ezisebenza ku-voltage zifinyelela ku-1000 zihlolwe nge-Volfage ka-500 V.
Ukuhlola ukufakwa kwabo, uphenyo olulodwa luxhumeke emzimbeni wenjini, okwesibili kusebenza ngokuhlukile kwiziphetho ngasinye. Ungahlola ubuqotho bokuxhumeka kwemimoya phakathi kwabo. Ngale ndlela, kuyadingeka ukusungula i-win of windings.
Isihloko ngesihloko: Ukufaka isibambo emnyango wepulasitiki