Nzira yekutarisa sei kubuda kwemvura pamotokari?
Zviri mukati
Kutarisa iyo leakage ikozvino inodiwa kwete chete pamotokari dzine hupenyu hurefu hwebasa, asiwo kune nyowani. Kubva pakuti mamwe mangwanani injini yekupisa yemukati haizokwanisi kutanga nekuda kwebhatiri rakafa, avo vatyairi vasingatarise mamiriro eiyo wiring, vatengi vakabatana uye node dze-on-board magetsi edunhu zvakazara. havana inshuwarisi.
Kazhinji kazhinji, dambudziko rekurasikirwa / kudonha ikozvino rinoonekwa mumotokari dzakashandiswa. Nekuda kwekuti mamiriro edu, ese ekunze uye emumugwagwa, anotungamira mukuparadzwa, kuputika uye kuputika kwewaya insulation layer, pamwe neiyo oxidation yemagetsi ekubatanidza masokisi uye terminal block contacts.
Zvese zvaunoda kuti utarise ndeye multimeter. Basa nderekuti, kuitira zivisa nekubvisa dhipatimendi rekushandisa kana imwe sosi, iyo kunyange pakuzorora (ine ignition off) inobvisa bhatiri. Kana iwe uchida kuziva kuti ungatarisa sei kubuda kwezvino, chii chazvino chinogona kutorwa sechinyakare, kupi uye sei kutarisa, wobva waverenga chinyorwa kusvika kumagumo.
Kuputika kwakadaro mumagetsi emagetsi emotokari kunogona kutungamirira kukurumidza kubuda kwebheteri, uye mumamiriro ezvinhu akaipisisa, kune pfupi pfupi uye moto. Mumotokari yemazuva ano, ine midziyo yakawanda yemagetsi, njodzi yedambudziko rakadaro inowedzera.
Leakage current rate
Mumotokari dzinotakura vanhu zvakajairika zvinogona kutariswa sekudonha ikozvino kwe25-30 mA, yakawanda 40 mA. Zvakakosha kufunga kuti chiratidzo ichi ndicho chimiro kana chete chiyero chemagetsi chinoshanda mumotokari. Kana sarudzo dzaiswa, iyo inobvumirwa leakage ikozvino inogona kusvika ku80 mA. Kazhinji, michina yakadai ndeyeredhiyo tepi rekodhi ine multimedia kuratidza, vatauri, subwoofers uye emergency alarm masisitimu.
Kana iwe ukaona kuti zviratidzo zviri pamusoro pehuwandu hunobvumirwa chiyero, saka iyi ndiyo inodonha ikozvino mumotokari. Iva nechokwadi chekuziva kuti kudonha uku kunoitika mudunhu ripi.
Iyezvino Leakage Testers
Kutarisa uye kutsvaga kuvuza ikozvino hakudi chero yakakosha midziyo, asi chete ammeter kana multimeter iyo inogona kuyera yakananga ikozvino kusvika ku10 A. Special current clamps inowanzoshandiswa kune izvi.
Ikozvino kuyerwa maitiro pane multimeter
Pasinei nokuti ndeupi mudziyo unoshandiswa, usati watsvaga kubuda kwezvino mumotokari, bvisa moto, uye haufaniri kukanganwa kuvhara magonhi, pamwe nekuisa motokari pane alarm.
Paunenge uchiyera nemultimeter, isa nzira yekuyera ku "10 A". Tabvisa iyo isina kunaka terminal kubva mubhatiri, isu tinoshandisa iyo tsvuku probe ye multimeter kune terminal. Isu tinogadzirisa iyo yakasviba probe pane isina kunaka kusangana kwebhatiri.
Iyo multimeter inoratidza chaizvo kuti yakawanda sei ikozvino inodhirowewa pakuzorora uye haidi kugadziridzwa patsva.
Ikozvino Clamp Leakage Test
Zvisungo zvemazuva ano zviri nyore kushandisa, nokuti zvinoita kuti zvikwanise kuyera ikozvino pasina kubvisa materminals uye pasina kubatana newaya, kusiyana ne multimeter. Kana mudziyo usingaratidzi "0", saka unofanirwa kudzvanya bhatani reset uye tora kuyerwa.
Tichishandisa mbariro, isu tinotorawo waya isina kunaka kana yakanaka mumhete uye tinotarisa kune yazvino leakage chiratidzo. iwo ma clamps zvakare anobvumidza iwe kuti utarise mashandisiro azvino ega ega sosi nekubatidza.
Chikonzero chekubuda kwezvino
Kudonha kwezvino kuburikidza nebhatiri kesi
Pane zvikonzero zvinoverengeka nei kubuda kwezvino kuchigona kuitika. Inonyanya kuitika ndeye bhatiri rakaregeredzwa. Pamusoro pekubata oxidation, electrolyte evaporation inowanzoitika mubhatiri. Iwe unogona kuona izvi nehunyoro hunoonekwa muchimiro chemavara pamwe chete nemajoini ekesi. Nekuda kweizvi, bhatiri rinogona kuramba richibuda, saka zvakakosha kuziva kuti ungatarise sei bhatiri inodonha ikozvino, iyo ichakurukurwa pasi apa. Asi kunze kwemamiriro ebhatiri pamichina, pakati pezvikonzero zvinowanzoitika, munhu anogona kucherechedza midziyo yakabatana zvisirizvo (redhiyo tepi rekodha, maTV, amplifiers, siginecha), isingabatanidzwe mumidziyo yekutanga yemotokari. Izvo zvakakosha kana paine hombe yekudonha ikozvino mumotokari. Asi kune dzimwe nzvimbo dzakakodzera kutarisa mazviri zvakare.
Leakage current mumotokari zvikonzero ine zvinotevera:
Kubata oxidation ndechimwe chezvikonzero zvinowanzoitika zvekudonha kwazvino.
- tambo yeredhiyo yakabatana zvisirizvo mumagetsi ekudzima;
- kubatana kwete maererano nemirayiridzo yeDVR nemotokari yemotokari;
- oxidation yezvivharo zvekupedzisira uye zvimwe zvinongedzo waya;
- kukanganisa, waya dzemasumbu;
- kunyunguduka kwe wiring pedyo nejini inopisa mukati;
- pfupi dunhu rekuwedzera zvishandiso;
- kunamatira relay yevatengi vemagetsi vane simba (semuenzaniso, girazi rinopisa kana zvigaro);
- gonhi rakashata kana trunk limit switch (nekuda kwekuti kwete chete chiratidzo chinokwevera simba rakawedzerwa, asi backlight inogonawo kuvhenekera);
- kuparara kwejenareta (yakaputsika imwe ye diode) kana kutanga (pfupi pane imwe nzvimbo).
Zvekushandisa mota mazuva ese, Leakage current inotsiviwa nekuchaja bhatiri kubva mujenareta, asi kana motokari isati yashandiswa kwenguva yakareba, saka mune ramangwana, nekudonha kwakadaro, bhatiri haingabvumiri injini kutanga. Kazhinji, kudonha kwakadaro kunoitika munguva yechando, sezvo pakudzika kwakadzika bhatiri haikwanise kuchengetedza simba rayo rezita kwenguva yakareba.
Zvinoenderana nekurudziro yenyanzvi dzakawanda, zvinodikanwa kuti nguva nenguva utarise zvese midziyo yemagetsi kuitira kuti uone zvinogona kuitika zvino kubuda mumotokari. Uye saka, sei kutarisa leakage ikozvino mumotokari?
Nzira yekuwana sei mvura inobuda
Kutarisa kubuda kwazvino nekubvisa fuse
Izvo zvinodikanwa kutsvaga ikozvino kuvuza mumotokari nekusabatanidza kwainobva yekushandisa kubva pane-bhodhi network network. Mushure mekudzima injini yekupisa yemukati uye mushure mekumirira 10-15 maminetsi (kuitira kuti vatengi vese vapinde mune yekumira mode), isu tinobvisa iyo terminal kubva mubhatiri, tinobatanidza iyo yekuyeresa dhizaini yakavhurika. Kunze kwekunge iwe uchiseta iyo multimeter kune yazvino kuyerwa modhi ye10A, chiratidzo chiri pabhodhi rezvibodzwa ndicho chichave chakavuza.
Paunenge uchitarisa kudonha kwazvino nemultimeter, unofanirwa kutarisa zviratidzo nekubvisa ese mafuse links kubva mubhokisi refuse rimwe nerimwe. Apo, kana imwe yemafusi ichibviswa, kuverenga pa ammeter kunodonha kusvika pachiyero chinogamuchirwa - izvi zvinoratidza kuti Wakawana pakadonha here?. kuti uibvise, unofanira kunyatsotarisa zvikamu zvose zvedunhu iri: zviteshi, waya, vatengi, zvigadziko, nezvimwewo.
Kutarisa ikozvino pabhatiri ine multimeter
Multimeter yekubatanidza dhizaini
Kunyangwe kana, kana uchitarisa kudonha kwazvino mumotokari ine multimeter, zvinoita sekunge iwe data yakakwira zvishoma pane yakajairika, haufanirwe kufuratira izvi, sezvo bhatiri richatanga kurasikirwa nekuchaja kwayo nekukurumidza kupfuura zvarichagamuchira kubva kune jenareta, izvo zvinozonyanya kuoneka panzendo pfupi mumaguta. Uye munguva yechando, mamiriro ezvinhu aya anogona kuve akakosha kune bhatiri.
Maitiro ekutarisa kubuda kwazvino nemultimeter uye mabhanhire anoratidzwa muvhidhiyo.
Tsvaga zvinobuda. Muenzaniso
Paunenge uchitarisa kudonha kwazvino ne tester, zvinodikanwa kuti uteedzere zvese zvinogoneka zvekuvuza mapoinzi, kutanga kubva kune zvisiri-standard zvishandiso, zvichiguma nenzvimbo dzekugonesa wiring pfupi pfupi. Danho rekutanga rekutarisa kune yazvino kuvuza mumotokari ndeyekuongorora injini yemukati, uye wozoenda kune zviridzwa uye waya mukamba.
Kutarisa bhatiri kuti rabuda here
Kutarisa kese yebhatiri kuti yabuda here
Pane nzira iri nyore yekutarisa bhatiri kuti rabuda here. zvakakosha kuyera kuvapo kwevheji kwete chete pamabheti ebheteri, asiwo pane iyo nyaya.
Kutanga, dzima injini uye ubatanidze iyo tsvuku multimeter inotungamira kune yakanaka terminal, uye dema probe kune iyo isina kunaka terminal. Paunenge uchishandura tester kusvika ku20 V, chiratidzo chichave chiri mukati me 12,5 V. Mushure mezvo, tinosiya hutano hwakanaka pane chigadziro, uye shandisa kukanganisa kusina kunaka kune bhatiri, panzvimbo ine nzvimbo inofungidzirwa. kubva kune electrolyte evaporation kana kune bhatiri plugs. Kana paine kuvuza chaiko kuburikidza nebhatiri, ipapo iyo multimeter icharatidza nezve 0,95 V (ipo inofanirwa kunge iri "0"). Nekuchinja iyo multimeter kuita ammeter modhi, mudziyo ucharatidza nezve 5,06 A yekudonha.
kuti ugadzirise dambudziko, mushure mekutarisa bhatiri ikozvino leakage, iwe uchafanirwa kubvisa uye kunyatsogeza nyaya yayo nesoda mhinduro. Ichachenesa pamusoro pe electrolyte nehupamhi hweguruva.
Maitiro ekutarisa jenareta kune yazvino leakage
Pakange pasina matambudziko akawanikwa mubhatiri, saka kazhinji pane kudonha kwazvino kuburikidza nejenareta. Muchiitiko ichi, kuti uwane ikozvino inodonha mumotokari uye uone hutano hwechinhu, unofanirwa:
Kutarisa jenareta kuti rabuda here
- batanidza tester probes kune zvigaro zvebheteri;
- gadzirisa voltage yekuyera mode;
- tanga injini inopisa mukati;
- batidza chitofu, danda rakaderera, hwindo rekumashure rinodziya;
- tarisa zvibodzwa.
Paunenge uchitarisa kudonha, unogona kushandisa voltmeter. nzira iyi inobatsira kuona matambudziko mujenareta nemazvo seammeter. Nokubatanidza vanobatana kumaterminals, voltmeter icharatidza avhareji ye12,46 V. Iye zvino tinotanga injini uye kuverenga kuchava pamwero we 13,8 - 14,8 V. Kana voltmeter ichiratidza zvishoma kudarika 12,8 V nemichina yakashandurwa. , kana uchichengeta kukurumidza pachiyero 1500 rpm icharatidza kupfuura 14,8 - ipapo dambudziko riri mujenareta.
Kana ikozvino kuvuza kuburikidza nejenareta kunoonekwa, zvikonzero zvinonyanya kuitika mumadhiodhi akaputsika kana rotor coil. Kana yakakura, inenge 2-3 amperes (painoshandura kune ikozvino kuyerwa kwemaitiro), zvino izvi zvinogona kugadziriswa uchishandisa wrench yakajairika. Inofanirwa kuiswa kune jenareta pulley uye kana yakasimba magnetized, ipapo diode uye coil zvinokuvadzwa.
Starter leakage current
Kutarisa chinotangisa kuti chave kubuda nekubvisa waya yemagetsi
Zvinoitika kuti kana uchitarisa kudonha kwazvino pamotokari, kana bhatiri ine jenareta kana vamwe vatengi ndiyo inokonzera dambudziko. Ipapo chikonzero chekudonha ikozvino chinogona kunge chiri chekutanga. Kazhinji ndicho chakanyanya kuoma kuziva, sezvo vazhinji vanotadza pakarepo pabhatiri kana waya, uye hapana anouya mupfungwa kuti atarise chinotangira kuti chave kubuda.
Nzira yekuwana sei kuvuza kwazvino ine multimeter yakatotsanangurwa. Pano tinoita nekuenzanisa kunze kwemutengi. Sezvo takasunungura simba re "plus" kubva pakutanga, tinoribvisa kuitira kuti tisabata "misa" nayo, tinobatanidza kumaterminals ane probes ye multimeter. Kana panguva imwechete pakanga paine kuderera kwekushandiswa kwezvino, shandura mutangi.
Kutarisa chinotangira kuti chabuda here
Iwe unogona kunyatsoona kuti ikozvino irikudonha kuburikidza nekutangisa neazvino clamp. kuti utarise iyo inodonha ikozvino nema clamps, kuyera waya yeakaipa terminal yebhatiri paunotanga injini yekupisa yemukati. Taisa mbariro dzakatenderedza waya, tinotanga injini yekupisa yemukati katatu. Chigadzirwa chacho chicharatidza maitiro akasiyana - kubva 3 kusvika 143 A.
Kukosha kwepamusoro panguva yekutanga injini yemoto yemoto ndeye 150 A. Kana iyo data yakanyanya kuderera pane iyo yakaratidzwa, saka mutangi ndiye anokonzera kubuda kwezvino mumotokari. Zvikonzero zvingave zvakasiyana, asi zvakakodzera kubvisa uye kutarisa mutangi. Dzidza zvakawanda nezve kutarisa mutambi muvhidhiyo iyi:
