1.Chidziwitso cha Ma Relay Contacts

1.1 Chidziwitso cha kapangidwe kake ndi mfundo yogwirira ntchito ya ma relay

Relay ndi chipangizo chosinthira chamagetsi chomwe chimagwiritsa ntchito mfundo zamagetsi kuwongolera dera ndipo nthawi zambiri chimagwiritsidwa ntchito m'mabwalo ocheperako kuti athe kuwongolera magwiridwe antchito amagetsi apamwamba kwambiri. kasupe.Koyiloyo ikapatsidwa mphamvu, mphamvu yamagetsi imapangidwa kuti ikope zida, zomwe zimayendetsa gulu lolumikizana kuti lisinthe dziko ndikutseka kapena kuswa dera. kulowererapo ndipo amagwiritsidwa ntchito kwambiri pazida zosiyanasiyana zodzipangira okha, makina owongolera ndi mabwalo oteteza kuti zitsimikizire kukhazikika ndi chitetezo.

1.2fotokozani mitundu ya olumikizana nawo munjira yopatsirana, kutsindika mfundo za "NC" (Nthawi Yotseka) ndi "NO" (Nthawi zambiri Otsegula)

Mitundu yolumikizana ya ma relay nthawi zambiri imagawidwa mu "NC" (Nthawi zambiri Yotsekedwa) ndi "NO" (Nthawi zambiri Yotseguka). Magulu otsekedwa (NC) amatanthauza kuti pamene kulandilako sikuli ndi mphamvu, ojambula amatsekedwa ndi kusakhulupirika ndipo panopa amatha kudutsa. kupyolera; Koyilo yopatsirana ikakhala yamphamvu, olumikizana a NC adzatsegulidwa. Mosiyana ndi izi, kulumikizana komwe kumatseguka (NO) kumatseguka pomwe cholumikizira sichili ndi mphamvu, ndipo kulumikizana kwa NO kumatseka pomwe koyiloyo ipatsidwa mphamvu. kuwongolera mosasunthika zomwe zikuchitika m'maiko osiyanasiyana kuti zikwaniritse zosowa zosiyanasiyana zowongolera ndi chitetezo.

1.3Momwe Othandizira a NC Amagwirira Ntchito mu Relays

Cholinga cha pepalali chidzakhala pamakina ogwiritsira ntchito ma NC olumikizana nawo, omwe amagwira ntchito yofunika kwambiri pamayendedwe opatsirana, makamaka ngati pakufunika kuwonetsetsa kuti mabwalo akupitiliza kuchita kapena kusunga gawo lina la magwiridwe antchito. chochitika cha kulephera kwamphamvu kwadzidzidzi.Tidzayang'anitsitsa momwe olumikizirana a NC amagwirira ntchito, momwe amachitira muzofunsira zenizeni padziko lapansi, ndi momwe amathandizira pakuwongolera, chitetezo, ndi zida zamagetsi, kulola kuyenda kukhala otetezeka komanso okhazikika m'maiko osiyanasiyana.

2.Kumvetsetsa Ma Contacts a NC (Omwe Amatsekedwa).

2.1Tanthauzo la kukhudzana kwa "NC" ndi mfundo zake zogwirira ntchito

Mawu akuti "NC" contact (Nthawi Yotsekedwa) amatanthauza kukhudzana komwe, m'malo ake osasintha, kumakhalabe kotsekedwa, kulola kuti panopa kudutsamo. zopatsa mphamvu, zomwe zimalola kuti pakali pano ziziyenda mosalekeza kudutsa dera. Nthawi zambiri amagwiritsidwa ntchito m'machitidwe owongolera omwe amafuna kuti kuyenda kwapano kusungidwe pakatha mphamvu, olumikizana ndi NC adapangidwa kuti alole kuti masiku ano apitirize kuyenda mumsewu. "Default state" pamene relay alibe mphamvu, ndipo kasinthidwe kayendedwe kameneka kakugwiritsidwa ntchito kwambiri pazida zambiri zamagetsi ndipo ndi gawo lofunikira la relay.

2.2Zolumikizira za NC zimatsekedwa pomwe palibe chapano chomwe chikuyenda kudzera pa koyilo yopatsirana.

Othandizira a NC ndi apadera chifukwa amakhala otsekedwa pamene koyilo yopatsirana siipatsidwa mphamvu, motero kusunga njira yamakono. Popeza kuti chikhalidwe cha relay coil chimayang'anira kutsegula ndi kutseka kwa NC contacts, izi zikutanthauza kuti malinga ngati koyiloyo ili. osapatsidwa mphamvu, zamakono zidzayenda kudzera muzitsulo zotsekedwa.Kukonzekera kumeneku ndi kofunikira pazochitika zogwiritsira ntchito zomwe kugwirizana kwa dera kuyenera kusamalidwa popanda mphamvu, monga zida zotetezera ndi mphamvu zosunga zobwezeretsera. machitidwe.NC okhudzana ndi opangidwa motere amalola kuti pakali pano akhazikike pamene dongosolo lolamulira silili ndi mphamvu, kuonetsetsa kuti zipangizozi zikuyenda bwino m'mayiko onse.

2.3Kusiyana pakati pa kukhudzana kwa NC ndi NO kukhudzana

Kusiyana pakati pa ma NC omwe amalumikizana nawo (omwe nthawi zambiri amatsekedwa) ndi NO (omwe nthawi zambiri amatsegula) ndi "malo osasintha"; Othandizira a NC amatsekedwa mwachisawawa, kulola kuti pakali pano aziyenda, pamene NO kukhudzana amatsekedwa mwachisawawa, kutseka kokha pamene coil relay ndi energized.Kusiyana uku kumawapatsa ntchito zosiyanasiyana mu madera magetsi. kukhudzana kwa NC kumagwiritsidwa ntchito kuti pakhale kuyenda kwamakono pamene chipangizocho chikuchotsedwa mphamvu, pamene NO kukhudzana kumagwiritsidwa ntchito kuyambitsa panopa pokhapokha pazikhalidwe zinazake.Zogwiritsidwa ntchito pamodzi, mitundu iwiriyi yolumikizana imapatsa ma relay kuwongolera dera, kupereka zosiyanasiyana. za zosankha zowongolera zida zovuta.

3.Udindo wa Kulumikizana ndi NC mu Magwiridwe a Relay

3.1Ntchito yofunikira pakugwira ntchito kwa ma relay

Mu relays, kukhudzana kwa NC (Kawirikawiri Kutsekedwa) kumakhala ndi gawo lofunika kwambiri, makamaka pa kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe kake. boma la dera.Kukonzekera kumeneku kumalepheretsa zipangizo kusokoneza ntchito ngati mphamvu yadzidzidzi yalephera.Mapangidwe a NC contacts mu relays ndi gawo lofunikira la kusintha kwa kusintha. Kulumikizana kawirikawiri kotsekedwa kumathandizira kuyenda kwamakono kotero kuti dongosolo lamagetsi likhalebe kugwirizana pamene silinayambitsidwe, kutsimikizira kukhazikika ndi kudalirika kwa dongosolo.

3.2Momwe mungaperekere njira yopitilira pano pakuwongolera dera

Kulumikizana kwa NC kumagwiritsidwa ntchito polumikizirana kuti apereke njira yopitilirapo pakali pano kudzera mudera, yomwe ndi njira yofunikira yosinthira makinawo. Nthawi zambiri zotsekedwa zimatsimikizira kupitilizabe kuwongolera kwa mafakitale ndipo zili zofala kwambiri m'magulu a mafakitale ndi kugwiritsa ntchito kayendedwe ka nyumba. ntchito yosasinthika ya ma relay pakuwongolera dera.

3.3Ntchito mu chitetezo ndi mabwalo adzidzidzi chifukwa amasunga mabwalo pakagwa mphamvu

Othandizira a NC ndi ofunikira kwambiri pachitetezo ndi mabwalo adzidzidzi chifukwa amatha kukhala otsekedwa ndikusunga kuyenda kwakanthawi ngati magetsi akulephera.Mumayimidwe odzidzimutsa kapena mabwalo otetezedwa, kulumikizana kwa NC kumapangidwa kuti alole zida zofunika kuthandizidwa ngakhale zitatha magetsi amasokonezedwa, kupeŵa zoopsa zomwe zingatheke.Kulumikizana kwa NC kwa ma relay kumathandiza kusunga machitidwe ozungulira maulendo panthawi yadzidzidzi ndipo ndi gawo lofunika kwambiri poonetsetsa kuti ntchito ya mafakitale ndi chitetezo ipitirire.

4.Momwe NC Contact Imagwirira ntchito ndi Relay Coil

4.1Mawonekedwe ogwirira ntchito a ma NC olumikizana nawo pomwe coil yolumikizirana ipatsidwa mphamvu komanso kuchotsedwa mphamvu

Kulumikizana kwa NC (Kawirikawiri Kutsekedwa Kulumikizana) kwa relay kumakhalabe kotsekedwa pamene koyiloyo imachotsedwa mphamvu.Izi zikutanthauza kuti zamakono zimatha kuyenda kupyolera muzitsulo zotsekedwa, ndikusiya dera lolumikizidwa.Pamene coil ya relay imalimbikitsidwa, NC contact switches ku malo otseguka, potero kusokoneza kayendedwe kamakono.Kusinthaku kwa mayiko ogwiritsira ntchito ndi njira yofunika kwambiri muzitsulo zoyendetsera maulendo.Kulumikizana kwa NC kumakhalabe kotsekedwa mu mpumulo, kotero kumagwiritsidwa ntchito kwambiri mu mapangidwe a dera. ntchito zomwe zimafuna kuti kuyenda kwamakono kusungidwe mwachisawawa, monga machitidwe ena a chitetezo, kuonetsetsa kuti mabwalo amakhalabe ogwirizana pakagwa mphamvu.

4.2 Pamene koyilo yopatsirana ipatsidwa mphamvu, kukhudzana kwa NC kumasweka bwanji, motero kudula dera

Pamene coil ya relay ipatsidwa mphamvu, kukhudzana kwa NC nthawi yomweyo kumasintha ku malo otseguka, kuteteza kutuluka kwaposachedwa.Pakapatsidwa mphamvu, mphamvu ya maginito ya relay imagwira ntchito yolumikizirana, kuchititsa kuti kukhudzana kwa NC kutsegule. kulola kuti dera lidulidwe.Kusintha kwa ma contacts a NC kumapangitsa kuti dera likhale loyendetsedwa bwino muzinthu zina zotetezera zida.M'mabwalo ovuta, kusintha kumeneku kwa NC kukhudzana ndi automates kulamulira ndikuonetsetsa kuti dera limadulidwa mwamsanga pamene liyenera kusweka, motero kuwonjezera kudalirika ndi chitetezo cha dera.

4.3Ubale ndi kuyanjana pakati pa olumikizana a NC ndi magwiridwe antchito a coil

Pali kuyanjana kwapafupi pakati pa NC contacts ndi relay coil.The relay amalamulira kusintha kwa dziko la NC kukhudzana ndi kulamulira koyilo panopa pa ndi off.Pamene koyilo ndi mphamvu, NC contacts kusintha kuchokera kutsekedwa boma kuti lotseguka. boma; ndipo pamene koyiloyo imachotsedwa mphamvu, oyanjanawo amabwerera ku chikhalidwe chawo chotsekedwa.Kuyanjana kumeneku kumapangitsa kuti relay akwaniritse kusintha kwamakono popanda kulamulira mwachindunji dera lamphamvu lamphamvu, motero kuteteza zipangizo zina mu dera. Ubale pakati pa ma NC olumikizana ndi ma coils umapereka njira yosinthira yowongolera magwiridwe antchito amagetsi, omwe amagwiritsidwa ntchito kwambiri m'mafakitale osiyanasiyana ndi zida zamagalimoto.

5.Kugwiritsa ntchito ma NC Contacts m'magawo osiyanasiyana

5.1 Kugwiritsa ntchito kothandiza kwa ma NC mumitundu yosiyanasiyana yamabwalo

Othandizira a NC (Otsekedwa Kwambiri) amagwira ntchito yofunika kwambiri pakupanga dera. Kawirikawiri muzitsulo zotumizirana kapena kusinthana, ma NC contacts amachitikira "malo otsekedwa" kotero kuti pakali pano akhoza kuyenda pamene alibe mphamvu, ndipo m'makonzedwe ena a dera, ogwirizanitsa a NC amaonetsetsa. kuti chipangizo chimakhalabe chikugwira ntchito pamene sichikulandira chizindikiro chowongolera.Muzinthu zina zoyambira kuzungulira, kukhudzana kwa NC kumatsimikizira kuti chipangizocho chikugwirabe ntchito pamene palibe chizindikiro chowongolera chomwe chikulandiridwa. kulumikizidwa kwa kukhudzana kwa NC mudera lamagetsi kumatsimikizira kuyenda kwaposachedwa kwa chitetezo chamagetsi, ndipo kukhudzana kwa NC kumadula pakali pano pomwe dera latsekedwa, kuteteza kuchulukira kwa dera, mwachitsanzo, ndikuwonjezera chitetezo chadongosolo.

Kulumikizana kwa 5.2NC muulamuliro, machitidwe a alamu, zida zamagetsi

Mu machitidwe olamulira, makina a alamu ndi zida zodzipangira okha, olankhulana a NC amapereka chitetezo chodalirika cha dera.Nthawi zambiri, mauthenga a NC amatsegula makina a alamu mwa kukhala otsekedwa pamene mphamvu yalephera kapena kusokoneza chizindikiro. ndipo dongosolo likatsegulidwa kapena mphamvu itatayika, olankhulana a NC amasintha okha ku "otseguka" boma (otsegula otsegula), kuyimitsa alarm.Equipment idapangidwa kuti igwiritse ntchito mauthenga a NC kuteteza. zida zofunika zokha zokha pakalibe mphamvu, njira zowongolera zokha, ndikuwonetsetsa kuti zida zotetezedwa zikachitika mwadzidzidzi.

5.3Kufunika kwa ma NC olumikizana nawo pakuyimitsidwa kwadzidzidzi ndi machitidwe oteteza kulephera kwamagetsi

Pazifukwa zadzidzidzi ndi machitidwe otetezera mphamvu zowonongeka, kufunikira kwa oyankhulana ndi NC sikungathe kunyalanyazidwa.Pakakhala vuto la mphamvu yamagetsi kapena mwadzidzidzi, chikhalidwe chosasinthika cha kukhudzana kwa NC chimatsekedwa, kusunga dera lotsekedwa kuti lizitha kuyankha mwamsanga kusokonezeka kwa chizindikiro chowongolera.Kukonzekera uku ndikofunikira kwambiri pazida zam'mafakitale ndi machitidwe achitetezo chifukwa kumapereka chitetezo ku kulephera kwamagetsi muzochitika zosayembekezereka. Mabungwe a NC atsekedwa, kuonetsetsa kuti zipangizozo zimasiya kugwira ntchito motetezeka.Kukonzekera kumeneku kumagwiritsidwa ntchito kwambiri m'madera omwe ali ndi chiopsezo chachikulu cha ntchito ndipo ndi njira yofunikira yotsimikizira chitetezo cha ogwira ntchito ndi zipangizo.

6.Ubwino ndi Zochepa za NC Contacts

6.1 Ubwino wa ma NC olumikizana nawo pamapulogalamu olandila, mwachitsanzo, kudalirika pakagwa mphamvu

Ma NC Contacts (Omwe Amakhala Otsekedwa) muzolumikizirana ndi odalirika kwambiri, makamaka ngati mphamvu yalephera.Ma NC Contacts mu ma relay amatha kukhalabe Malo Otsekedwa pomwe palibe kuyenda kwapano, kuonetsetsa kuti mabwalo apitilize kukhala. magetsi, omwe ndi ofunikira kwambiri pamagetsi ndi machitidwe olamulira. Pamene coil ya relay (Relay Coil) imachotsedwa mphamvu, zamakono zimatha kuyendabe kupyolera mu kukhudzana kwa NC, kulola kuti zipangizo zofunika zikhalebe. kugwira ntchito pakawonongeka mwadzidzidzi mphamvu.Kuonjezera apo, ogwirizanitsa a NC amasunga magetsi okhazikika Akuyenda pamene Othandizira otsekedwa, kuteteza kutsekedwa kosakonzekera.Chinthu ichi ndi chofunika kwambiri pa ntchito zomwe zimafuna chitetezo ndi kukhazikika, monga elevators ndi kuunikira mwadzidzidzi. machitidwe.

6.2 Zochepa za kukhudzana ndi NC, mwachitsanzo zoletsa pamitundu yosiyanasiyana ya ntchito ndi zolephera zomwe zingachitike

Ngakhale ma NC contacts amagwiritsidwa ntchito m'machitidwe osiyanasiyana oyendetsa dera, ali ndi malire ena pakukula kwawo kwa ntchito.Popeza okhudzana ndi NC amatha kuvutika ndi kukhudzana kosauka panthawi yolumikizana, makamaka m'malo othamanga kwambiri kapena osinthasintha pafupipafupi, kulephera kukhudzana. Kuonjezera apo, ma NC contacts (Nthawi zambiri Otsekedwa) amatha kugwiritsidwa ntchito mkati mwa magetsi ena ndi katundu wamakono, kupitirira apo. relay ikhoza kuonongeka kapena kulephera.Kwa mapulogalamu omwe amafunikira kusintha pafupipafupi, ma NC olumikizana nawo sangakhale okhalitsa komanso odalirika monga mitundu ina yolumikizirana, kotero mikhalidwe yeniyeni ndi zolepheretsa zomwe zingatheke ziyenera kuganiziridwa posankha relay.

6.3 Zinthu zachilengedwe ndi zofunikira za magwiridwe antchito zomwe ziyenera kuganiziridwa kwa olumikizana ndi NC muzogwiritsa ntchito zosiyanasiyana

Mukamagwiritsa ntchito ma NC contacts, ndikofunika kuganizira zotsatira za Environmental Factors pa ntchito yawo.Mwachitsanzo, m'malo onyowa, afumbi kapena owononga, okhudzana ndi NC (Nthawi Yotsekedwa NC) amatha kukhala ndi okosijeni kapena zovuta kukhudzana, zomwe zingachepetse. kudalirika kwawo.Kusiyanasiyana kwa kutentha kungakhudzenso ntchito ya olankhulana a NC, ndipo kutentha kwakukulu kungayambitse kugwirizanitsa kapena kulephera. zochitika, kusankha kwa ma relay kuyenera kusinthidwa malinga ndi malo ogwirira ntchito a NC, kuphatikiza zida zamilandu, milingo yachitetezo, ndi zina. Kuphatikiza apo, olumikizirana ndi NC amayenera kukwaniritsa zofunikira pakugwiritsa ntchito zida zogwiritsira ntchito, monga kunyamulira komweku komanso kulimba kwamakina. , kuonetsetsa ntchito yodalirika ya nthawi yayitali.

7.Pomaliza ndi Chidule

7.1 Udindo wapakati ndi kufunikira kwa kulumikizana kwa NC mu ntchito yotumizirana mauthenga

Kulumikizana kwa NC (nthawi zambiri kutsekedwa) kumagwira ntchito yofunika kwambiri pakubwezeredwa.Pamene relay ili m'malo osagwira ntchito, kukhudzana kwa NC kuli pamalo otsekedwa, kulola kuti panopa kudutsa dera ndikusunga ntchito yachizolowezi ya chipangizocho. ndikuthandizira relay kusintha dera pansi pazikhalidwe zosiyanasiyana poyang'anira kusintha kwa panopa.Kawirikawiri, kukhudzana kwa NC kumagwiritsidwa ntchito kuti asunge kukhazikika kwa dera ngati kulephera kwa relay.The relay's NO ndi NC kulumikizana kumathandiza kuwongolera molondola zida ndi mabwalo kudzera pakusintha kosalekeza, kulola kuti ma relay agwire ntchito yofunika kwambiri pamagwiritsidwe osiyanasiyana.

7.2NC Contacts in Safety, Emergency Control and Continuous Current Holding

Kulumikizana kwa NC kumagwiritsidwa ntchito kwambiri pachitetezo ndi machitidwe owongolera mwadzidzidzi, monga ma alamu amoto ndi zida zoteteza magetsi.Mu machitidwe awa, olumikizana ndi NC amatha kukhala otseguka kapena otsekedwa pakachitika vuto la dera kapena mwadzidzidzi, kuteteza zida ku kuwonongeka.Chifukwa cha kutsekedwa kwawo kosasinthika, ma NC contacts amagwiritsidwanso ntchito kwambiri mu zipangizo zomwe zimakhala ndi nthawi zonse kuti zitsimikizire kuti mabwalo nthawi zonse amakhala otetezeka pamene palibe chizindikiro. Chitetezo cha zida zamagetsi kuti zisawonongeke mwangozi.

7.3 Momwe kumvetsetsa kwa ma relay ndi mfundo zake zolumikizirana kungathandizire kukonza kamangidwe ka dera ndikuthetsa mavuto

Kumvetsetsa mozama za ma relay ndi mfundo zawo zolumikizirana, makamaka machitidwe a NO ndi NC olumikizana nawo, amathandizira mainjiniya kukhathamiritsa mapangidwe adera kuti atsimikizire kudalirika komanso magwiridwe antchito amagetsi. mitundu yosiyanasiyana yamagetsi ndi katundu ingathandize opanga kusankha mtundu woyenera kwambiri wolumikizirana, potero kuchepetsa chiwopsezo cha kulephera. Kuphatikiza apo, kumvetsetsa mfundo yolumikizirana ndi ma relay kungathandizenso akatswiri kupeza mwachangu dera. zolakwa, kupewa ntchito yokonza zosafunikira, ndikuwongolera bata ndi chitetezo cha machitidwe.