Lapho izinto zasendlini (ezifana nemishini yokuwasha, iziqandisi, amathuluzi kagesi) zivuza noma ziyashajwa, zizozizwa “zindikindiki”. Uma usebenzisa ipeni lokuhlola ukuhlola, kokubili kuzokwenza i-neon bulb yepeni ibe bomvu.
Uma kungugesi wokungenisa, lezi zixhobo zingaqhubeka nokusetshenziswa. Uma kukhona ukuvuza, ukusetshenziswa okuqhubekayo kuzoba yingozi kakhulu futhi kufanele kulungiswe.
Kodwa singakwazi kanjani ukuhlukanisa kahle phakathi kokushaja okufakiwe kanye nokuvuza kwangempela
Ukufakwa kukagesi okuguquguqukayo kubangelwa ukungeniswa okuhambisanayo phakathi kwamasekethe angaphakathi kanye ne-casing yomshini noma ukufakwa okuhlangene phakathi kwamasekethe, okulingana namandla phakathi kwezingxenye ezibukhoma kanye ne-casing.
Ukuvuza kubangelwa ukuguga noma ukuwohloka kwe-insulation yesekethe yangaphakathi okubangelwa ukusetshenziswa isikhathi eside komshini noma umswakama, njll., okwenza igobolondo lomshini lifakwe ugesi.
Ngezinye izikhathi kubangelwa ukuguqulwa kwegobolondo lomshini, okwenza ukuxhumana okukodwa noma ngaphezulu okuqondile phakathi kwegobolondo nezingxenye ezibukhoma zangaphakathi (kuyingozi kakhulu ukusebenzisa umshini futhi kulokhu).
Indlela yokwahlulela
01Indlela yokulinganisa ukumelana
Sebenzisa ai-multimeter ukukala ukumelana nokufakwa phakathi kwegobolondo lomshini nesekethe. Uma ukumelana okukaliwe kukhulu kuno-1M, kungabhekwa njengokushajwa ngokungenisa imali.
Uma ukumelana okulinganiselwe kuyizinkulungwane ezimbalwa zama-ohms noma ngaphansi, kungabhekwa njengokuvuza futhi kufanele kuthathwe izinyathelo.
Lena indlela elula futhi evame ukusetshenziswa kakhulu, kodwa le ndlela ayithembekile kakhulu futhi kufanele inqunywe ngokuqhubekayo kusetshenziswa ezinye izindlela.
02 layisha indlela yokwahlulela
Nqamula ulayini omaphakathi (umugqa ongu-N) womshini, bese uxhuma isibani esingu-220V/15W phakathi kwephuzu lokunqamuka negobolondo. Ngemva kokuthi uxhumano selulungile, vula amandla. Uma isibani sikhanya ngalesi sikhathi, sibonisa ukuthi umshini uvuzile ugesi;
Uma isibani sokukhanyisa singakhanyi, umshini ushajwa nge-inductively. Lokhu kungenxa yokuthi ukuvuza kwamanje kungaba kukhulu ngokwanele ukwenza isibani sikhanye, kuyilapho i-current induced ingama-milliamp angamashumi kuphela, akwanele ukwenza isibani sokukhanya. Le ndlela yokwahlulela inembe kakhulu.
03Indlela yokulinganisa i-voltage
(1) Sebenzisa inkinobho kagesi ye-multimeter ukuze uqale ulinganise amandla kagesi phakathi kwebhokisi lomshini nomhlabathi, bese ushintsha intambo ephilayo (umugqa ongu-L) nolayini ophakathi nendawo (umugqa ongu-N) womshini, bese ukala i-voltage phakathi ibhokisi lomshini kanye nomhlabathi. Amandla kagesi.
Uma kukhona ushintsho olukhulu kunani le-voltage phakathi kwalokhu okubili ngaphambi nangemuva, kubangelwa kakhulu ukuvuza; uma lungekho uguquko olusobala emiphumeleni emibili yokulinganisa, kusho ukuthi ishajwa.
Lokhu kungenxa yokuthi indawo yokuvuza yomshini ngokuvamile ayikho phakathi nomzimba ovame ukushajwa womshini. Uma kuphakathi ncamashi, ukwahlulelwa kuzoba okungalungile, futhi imiphumela yezilinganiso ezimbili izohluka.
Uma ukungeniswa kushajwa, inani ngeke lishintshe ngoba alihlangene nephuzu lokulinganisa.
(2) Lapho umshini usebenza, qala usebenzise i-ai-multimeterukukala i-voltage phakathi kwegobolondo lomshini kanye nomugqa ongathathi hlangothi (umugqa ongu-N). Misa umshini, nqamula ulayini omaphakathi (umugqa ongu-N), xhuma i-multimeter phakathi kwendawo yokuphuka negobolondo lomshini, bese uxhuma intambo ephilayo kuphela (umugqa ongu-L) kumandla kagesi, kala i-voltage futhi, bese uqhathanisa imiphumela emibili. . Uma kukhona izinguquko ezisobala, kubonisa ukuvuza;
Uma lungekho ushintsho oluningi, ezimweni eziningi ukushaja okubangelwa ukungeniswa. Lokhu kungenxa yokuthi i-voltage elinganiswa okokuqala ingugesi ophakathi kwendawo evuzayo nolayini ophakathi nendawo (N line) (ngaphandle uma indawo evuzayo iseduze kakhulu nesiphetho sentambo ephilayo, cishe inamandla kagesi), kanye I-voltage elinganiswa okwesibili ngokuyisisekelo i-voltage yokunikezwa kwamandla; Kukhona umehluko phakathi kwalokhu okubili ezimweni eziningi. Uma ishaja yokungeniswa, ngeke kube khona izinguquko zezinombolo ezinjalo.
(3) Setha i-multimeter yedijithali ku-AC20V, bese ubamba umthofu owodwa wokuhlola ngesandla esisodwa bese omunye uhola eduze kwebhokisi lomshini. Lapho ibanga licishe libe ngu-4-5cm, bheka i-multimeter. Uma i-multimeter ibonisa i-voltage yama-volts amaningana (V), ibonisa ukuthi ikhokhiswa ngenxa yokuvuza;
Uma i-multimeter ingabonisi noma ibonise inani elincane kakhulu, kusho ukuthi icala likhokhiswa ngenxa yokungeniswa.
Uma sibheka lezi zindlela zokwahlulela ezingenhla, ezinye zilula kanti ezinye azinembile kakhulu. Ngakho-ke, lapho uhlangabezana nesimo lapho i-casing yomshini ifakwe ugesi, izindlela eziningana kufanele zihlanganiswe ukwenza izahlulelo zokwandisa ukwethembeka kwesahlulelo ukuze kuthathwe izinyathelo ezihambisanayo. isilinganiso.
Thatha izinyathelo
Ngemuva kokuhlukanisa ukuthi ukuvuza noma ukushaja kokungeniswa, kufanele kuthathwe izinyathelo ezihlukene.
Uma ishajwa nge-inductively, ucingo oluphansi kufanele luxhunywe kugobolondo lomshini, ukuze kungabikho "izandla ezingenalutho" ekusetshenzisweni kwesikhathi esizayo, futhi izodlala indima ethile yokuzivikela ngokumelene nokuvuza komshini;
Uma ukufakwa kukagesi kubangelwe ukuvuza, umshini kufanele uhlolwe, kutholakale indawo evuzayo, futhi ukufakwa kukagesi kufanele kuqiniswe noma kulungiswe ngaphambi kokuba umshini uqhubeke nokusetshenziswa.
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Isikhathi sokuthumela: Oct-27-2023