Kuti uongorore kuita kwetambo, wiring yakakodzera kuyera kupesana kunopesana. Nekuti izvi pane chinhu chakakosha - iyo gegaommeter. Inopa yakanyanya voltage kune yakayerwa keteni, inoyera iyo iripo inoyerera mukati maro, uye nyaya dzinoguma dziri pachiratidziro kana chiyero. Mashandisiro aungaita megaometer uye funga nezvenyaya ino.
Mudziyo uye nheyo yekuvhiya
Iyo Megaommeter chishandiso chekutarisa kuyerera kupesana. Kune marudzi maviri emidziyo - zvemagetsi uye shooter. Pasinei nemhando, chero mhizha ine:
- Kunobva kuenderera mberi kwekuvira.
- Mita yazvino.
- Digital screen kana chiyero chiyero.
- Zvivakwa, kuburikidza neiyo kusawirirana kubva kune mudziyo kunoendeswa kune yakayerwa chinhu.
Iri ndiro shooter megaommeter (kuruboshwe) uye yemagetsi (kurudyi) Runako kufanana
Mumidziyo yekupfura, iyo voltage inogadzirwa neDynamo rakanyudzwa mune nyaya. Iyo inotungamirwa nemamita - inosvetuka chimbo chemufananidzo ine imwe frequency (2 inotendeuka pane yechipiri). Mhando yemagetsi inotora simba kubva kunetiweki, asi inogona kushanda kubva kumabhatiri.
Kushanda kweiyo Megaommeter kunoenderana nemutemo weOHM: Ini = U / r. Iyo kifaa inoyera iyo iripo inoyerera pakati pezvinhu zviviri zvakabatana (maviri ematanda emitsipa, zvipfuyo, nezvimwewo). Kuyerwa wakaumbwa calibrated voltage, kukosha rinozikamwa, nokuziva kuitika uye voltage, anogona kuwanikwa nemishonga: r = nepfambi / i, izvo zvinoita kuti mudziyo.
Fungidziro mombegmeter scheme
Usati watarisa probe inoiswa mumabhokisi akakodzera pane chishandiso, mushure meizvozvo ivo vakabatana nechinhu chekuyera. Kana achiedza, yakakwirira voltage iri zvakapararira munyika mudziyo, izvo chakasvitswa chinhu munhu ndakaongorora. Migumisiro mibairo inoratidzwa muMuma Mega (iom) pachiyero kana chidzitiro.
Shanda ne megaommeter
Kana achiedza, kuti megaommeter unobereka refu kwazvo voltage - 500 V, 1000 V, 2500 V. In chokuita neizvi, kuyerwa kunofanira kuitwa nokungwarira zvikuru. Mumabhizinesi ekushanda mumushini, vanhu vane boka rekuchengetedza remagetsi vasina kuderera pane 3rd vanobvumidzwa.
Usati wayera megaommeter, mumaketani ekuedzwa anodzikiswa kubva pane simba rekuwanikwa. Kana uchizopa kuongorora mamiriro ezvinhu wiring mumba kana furati, unofanira kudzima haizoshandisi pamusoro nhovo kana sunungura plugs. Mushure mekunge zvese zvemitsipa zvemidziyo zvakadzimwa.
Imwe yesarudzo dzeMitambo yemazuva ano megohmnet
Kana iwe ukatarisa mapoka echigadziri, bvisa maforogo emidziyo yese inobatanidzwa mavari. Kana maketeni ekuvhenekera akaongororwa, mababu akajeka anodzimwa. Ivo havazomumire kuyedza voltage. Paunenge uchitarisa kushupika kwenjinjini, ivo zvakare vanobviswa zvachose kubva kune simba rekuwanikwa. Mushure meizvozvo, kugovana kwakabatana nematunhu akaedzwa. Kuti uite izvi, waya yakarongedzwa muchikamu chemuchinjiko yeanosvika 1.5 mm2 mm2 inosungirirwa kune "pasi" Tire. Izvi ndizvo zvinonzi zvinotakurika pasi. Nokuti njodzi basa, munhu akasununguka magumo ine miti muitisi wanamatira rakaoma womuti wokuisira. Asi rinonzwika kuguma waya kunofanira kuwanikwa - kuitira kuti unogona kubata navo tambo uye netambo.
Zvinodiwa Zvemamiriro Ekudzikirisa Akachengeteka
Kunyangwe kana iwe uchida kumba kuyera kuramba kwetambo insulation, usati washandisa Megaommeter zvakakodzera kujairana nezvinodiwa zvinodiwa. Mitemo yekutanga ndeye akati wandei:
- Chengetedza iyo probubes chete yeyako yakasarudzika uye inodziviswa nemanyowa.
- Usati wabatanidza mudziyo, dzima voltage, ita shuwa kuti hapana vanhu vepedyo (munzira yese yakayerwa, kana tiri kutaura nezvematanda).
Mashandisiro Aungaita Megaommeter: Mitemo yeMagetsi yekuchengetedza
- Usati wabatanidza probe, bvisa voltage yakasara uchishandisa iyo inotakurika pasi yekubatanidza. Uye udzime mushure mekunge probe yaiswa.
- Mushure mekuyerwa kwega kwega, kubvisa voliji yakasara nekubatanidza zvikamu zvavo zvisina kufanira pamwechete.
- Mushure mekuyera kune yakayerwa basa, batanidza ivhu rinotakurika, achibvisa mutungamiriri wenguva dzose.
- Shanda magurovhosi.
Mitemo haina kuoma, asi kuchengetedzwa kwako kunoenderana nekuita kwavo.
Maitiro Ekubatanidza Probe
Chishandiso ichi chinowanzove nemitsara nhatu yekubatanidza probe. Ivo vari pamusoro pezviridzwa uye vakasaina:
- E - skrini;
- L-line;
- S - Pasi;
Kune zvakare matatu probe, imwe yacho ine matipi maviri kudivi rimwe. Iyo inoshandiswa kana iwe uchifanira kusabvisa leakge mafungu uye anonamatira kune tambo yetambo (kana paine). Pane yakadzikira kaviri pane iyi probe pane tsamba "e". Iyo plug iyo inouya kubva kuiyi kubviswa uye yakaiswa mudendere rinoenderana. Iyo yechipiri plug yakaiswa mune slot "l" - mutsara. Mudendere repasi rinogara richisanganisira iyo probe yakafanana.
Zvivakwa zve megaommeter
Kune anomira parwonero. Paunenge uchiita zviyero nemaoko ekutora kwavari kuitira kuti zvigunwe zvako zviri kumusoro kune aya anomira. Iyi ndiyo prerequisite yebasa rakachengeteka (rangarirai voltage yakakwira).
Kana iwe uchida kutarisa chete kupesana kwekunzwa pasina chidzitiro, kana imwe chete probe yakaiswa - imwe mu "z" terminal, imwe muTerminal "l". Nerubatsiro rwegwenya crocodiles cramps kumagumo, isu tinobatanidza probe:
- Kuti uedze waya, kana iwe uchida kutarisa kupaza pakati pemitsipa yetambo.
- Kunogara uye "nyika", kana tikatarisa "kuputsa pasi".
Pane tsamba "e" - iyi magumo inoiswa mudendere neiyo tsamba yakafanana.
Iko hakuna mamwe mimwe musanganiswa. Iyo inotariswa kazhinji kazhinji kuzviparadzanisa uye kupaza kwayo, shanda nechidzitiro chaizvo, sembambo dzakachengetedzwa mukati medzimba uye dzimba dzakazvimiririra hazviwanzo kushandiswa. Chaizvoizvo, hazvinonyanya kuoma kushandisa megoometer. Izvo zvakakosha chete kusakanganwa nezvekuvapo kweiyo yakanyanya voltage uye kukosha Bvisa iyo nguva yekusara mushure mekuyera kwega kwega. Izvi zvinoita kuti ubate walling waya kungoyera waya yakayerwa. Zvekuchengetedza, iyi waya inogona kugadziriswa pane yakaoma yematanda.
Kuyera Maitiro
Kufumura voltage iyo ichaburitsa Megaometer. Izvo hazvina kusarudzwa zvinokatyamadza, asi kubva patafura. Kune mashizha ekureva izvo zvinoshanda chete neiyo voltage imwe, pane kushanda ne akati wandei. Chimwe chechipiri, chinonzwisisika chinhu chakanakira, nekuti ivo vanogona kushandiswa kuyedza masheti akasiyana nematanho. Switching test voltage inogadzirwa nebato kana bhatani riri pamberi pechishandiso.
| Zita reChinhu | Megaommeter Voltage | Minimum inobvumirwa Insulation Kuparadzira | Zvinyorwa |
|---|---|---|---|
| Magetsi uye zvishandiso neViltage inosvika makumi mashanu v | 100 B. | Inofanirwa kuenderana nePasipoti, asi kwete isingasviki 0.5 momsomen | Munguva yezviyero, Semiconductor Midziyo inofanirwa kuongororwa |
| zvakare, asi voltage kubva pamakumi mashanu v kusvika zana v | 250 B. | ||
| Zvakare asi voltage kubva ku10 v kusvika ku80 v | 500-1000 B. | ||
| Anopfuura 380 v, asi kwete anopfuura 1000 mukati | 1000-200 B. | ||
| Kugovera zvishandiso, nhoo, conductor | 1000-200 B. | Kanenge 1 mω | Kuyera chikamu chega chega cheyakagoverwa mudziyo |
| Wiring, kusanganisira iyo clank network | 1000 B. | Kwete isingasviki 0.5 mama | Mune ngozi yekuyera nzvimbo dzinoitwa kamwe chete pagore, muDruik - kamwe chete makore matatu |
| Stationary yemagetsi zvivakwa | 1000 B. | Kanenge 1 mω | Kuyerwa kunoitwa pane yakadzivirirwa yakabviswa plate kanokwana 1 nguva pagore. |
Usati washandisa Megaommeter, isu tine chokwadi chekushaikwa kweiyo voltage pamutsetse - iyo tester kana chiratidzo screwdriver. Zvadaro, wakati vakagadzirira mudziyo (akaratidza voltage uye shooter kuratidza nokuyerwa pakafunuka) uye unobva vachiongorora, bvisa pasi kubva waya achiongorora (kana iwe rangarira kuti richibatanidza asati atanga basa).
Chikamu chinotevera - isu tinosanganisira Megaommeter: Pane iyo yemagetsi iwe unodzvanya bhatani rekuedza, munzira yeDynamo mubato mumupendero. Mune shooter, isu mutendeuke kusvikira mwenje iri dzimba - zvinoreva zvaida voltage chuma akasikwa. MuDhijitari pane imwe nguva, kukosha hakuna kudzikisira kukosha. Nhamba dziri pachiratidziro dziri insulation kuramba. Kana haidereri pane ndozvakajairwa (avhareji vari raanotaura tafura, uye nokuwanda ari pasipoti kusvika chigadzirwa), zvinoreva zvose zvinoitika.
Maitiro Ekuyera Megaommeter
Mushure nokuyerwa riri pamusoro, kurega kumonyanisa megohmmeter nepfundo kana tinya nokuyerwa kuguma bhatani kuti electronic womuenzaniso. Mushure meizvozvo, iwe unogona kubvisa iyo probe, bvisa volidhari yakasara.
Pfupi - Iyi ndiyo mitemo yese yekushandisa megaommeter. Dzimwe nzira dzekuyera dzinozotarisa zvimwe.
Tambo insulation kupokana kuyerwa
Kazhinji iwe unofanirwa kuyera kupesana kweiyo tambo kana waya. Kana iwe uchiziva kushandisa mashizha, paunenge uchitarisa tambo imwechete-inokwana haichatore kanopfuura kweminiti, ichave inonamira kwenguva yakareba. Nguva chaiyo inoenderana nehuwandu hwehupenyu hwese - iwe uchafanirwa kutarisa imwe neimwe.
Bvunzo voltage sarudza zvichienderana nekuti waya uchashanda mune iyo voltage. Kana uchironga kurishandisa wiring kuti 250 kana 380 V, unogona kuisa 1000 V (ona tafura).
Kuongorora matatu-core tambo - iwe haugone kusvetuka, uye fambisa vaviri vaviri
Kutarisa kuputira nemishonga imwe chete-makirisito wire, mumwe vachiongorora namatirai kune chinoumba, wechipiri - nguwo, wedzerai voltage. Kana pasina chombo, iyo yechipiri probe yakachengeteka kune "pasi" terminal uye zvakare kupa tension kusawirirana. Kana kuverenga kuri kupfuura 0.5 m mω, zvinhu zvese zvakajairika, waya inogona kushandiswa. Kana zvishoma kuyisidzira, hazvigoneke kuishandisa.
Kana iwe uchida kutarisa tambo yakamanikidzwa, kuyedza kunoitwa kune yega yega yega. Panguva imwecheteyo, mamwe ese anofambidzana akakombama mune imwe harness. Kana zvichikosha zvakare kuti uedze kuparadzwa pa "pasi", waya yakabatana nebhazi rinoenderana rinowedzerwa kune yakazara harness.
Dai kwaigara zvakanyanya, usati washandisa Megaommeter, matsotsi anocheneswa nekuzviparadzanisa uye akakombama muHarness
Kana waya ane chidzitiro, resimbi mumuhara kana zvombo, vanenge akawedzera kuti joko. Kana uchigadzira harness, zvakakosha kuti uve nechokwadi chekubata zvakanaka.
Dzinenge chiyero chechipfuva chinopesana nemapoka echigadziri anoitika. Kunze kwezvakarukwa kudzima midziyo yese, dzima simba pane nhovo. Imwe probe yakaiswa pasi pevhu terminal, yechipiri iri mune imwe yeiyi fession. Bvunzo Voltage - 1000 v (patafura). Vhura, tarisa. Kana iyo yakayerwa kupokana yakakura kupfuura 0.5 mω, wiring yakajairika. Isu tinodzokorora neyechipiri rekugara.
Kana magetsi wiring yekare mharidzo iri chete kutotanga uye zero, vachindiedza rinoitwa pakati conductors maviri. Paramita dzakafanana.
Tarisa kupokana kwekunzwa kwemotokari yemagetsi
Kuita kuyerwa, injini inobviswa pasimba. Izvo zvinodiwa kuti usvike kumhedziso dzemhepo. Asynchronous injini uchishanda panguva voltage kusvika 1000 vari pamuedzo voltage 500 V.
Kuti uongorore kusimbisa kwavo, imwe probe inobatanidza kune injini muviri, yechipiri imwe neimwe inoshanda kune imwe neimwe yemhedzisiro. Iwe unogona zvakare kutarisa kutendeka kwekubatana kwemhepo mhepo pakati pavo. Ye cheki iyi, zvakafanira kutanga maviri emhepo.
Chinyorwa pane iyo nyaya: kuisa mubato pamusuwo wepurasitiki