Me yasa kayan aikin wutar lantarki (irin su na'urorin hannu, injin niƙa, da sauransu) gabaɗaya suke amfani da injin goge goge maimakoninjinan goge baki? Don fahimta, wannan bai bayyana a cikin jumla ɗaya ko biyu ba.

Motocin DC sun kasu kashi-kashi na injuna masu goge-goge da injunan goge-goge. "Brush" da aka ambata a nan yana nufin goga na carbon.Menene gogewar carbon yayi kama?

Me yasa motocin DC suke buƙatar gogewar carbon?Mene ne bambanci tsakanin tare da kuma ba tare da carbon goge ba?Mu kalli kasa!

Ka'idar gogaggen motar DC

Kamar yadda aka nuna a hoto na 1, wannan siffa ce ta ƙirar injin goga ta DC.Matsakaicin maganadisu biyu akasin haka, ana sanya coil a tsakiya, duka bangarorin biyu suna haɗa su zuwa zoben jan karfe biyu na madauwari biyu, duka ƙarshen zoben tagulla suna hulɗa da goshin carbon da aka kafa, sannan an haɗa DC. zuwa ƙarshen buroshin carbon. tushen wutan lantarki.

siffa 1

Bayan haɗawa da wutar lantarki, ana nuna halin yanzu ta kibiya a hoto na 1.Bisa ga ka'idar hannun hagu, ana sanya murhun rawaya zuwa ƙarfin lantarki na sama a tsaye; blue coil yana ƙarƙashin ƙarfin lantarki na ƙasa a tsaye.Na'ura mai jujjuyawar motar tana fara juyawa a kusa da agogo, kuma bayan tana juyawa digiri 90, kamar yadda aka nuna a hoto 2:

siffa 2

A wannan lokacin, goga na carbon yana cikin tazarar da ke tsakanin zoben tagulla guda biyu, kuma duk madauki na nada ba shi da halin yanzu.Amma a ƙarƙashin aikin inertia, rotor ya ci gaba da juyawa.

hoto 3

Lokacin da rotor ya juya zuwa matsayi na sama a ƙarƙashin aikin inertia, ana nuna halin yanzu na coil a cikin Hoto 3. Bisa ga ka'idar hannun hagu, ana yin amfani da igiya mai launin shuɗi zuwa ƙarfin lantarki na sama a tsaye; rawaya coil yana ƙarƙashin ƙarfin lantarki na ƙasa a tsaye. Na'ura mai jujjuyawar motar tana ci gaba da jujjuya agogon agogo baya, bayan tana jujjuya digiri 90, kamar yadda aka nuna a hoto na 4:

Hoto 4

A wannan lokacin, goga na carbon yana cikin tazarar da ke tsakanin zoben tagulla guda biyu, kuma babu wani halin yanzu a cikin madaukin nada.Amma a ƙarƙashin aikin inertia, rotor ya ci gaba da juyawa.Sa'an nan kuma maimaita matakan da ke sama, kuma zagayowar ya ci gaba.

Motar da ba ta da goshin DC

Kamar yadda aka nuna a hoto na 5, wannan siffa ce ta tsarin tsari na ababu brushless DC motor. Ya ƙunshi stator da rotor, a cikin abin da rotor yana da sandunan maganadisu biyu; akwai nau'ikan coils da yawa da aka raunata akan stator, kuma akwai nau'ikan coils guda 6 a hoton.

Hoto 5

Lokacin da muka wuce halin yanzu zuwa stator coils 2 da 5, coils 2 da 5 zasu haifar da filin maganadisu. Stator yana daidai da magnetin mashaya, inda 2 shine sandar S (Kudu) kuma 5 shine sandar N (Arewa). Tunda igiyoyin maganadisu na jima'i daya ke jan hankalin juna, N pole na rotor zai juya zuwa matsayin coil 2, kuma S pole na rotor zai juya zuwa matsayin nada 5, kamar yadda aka nuna a hoto na 6.

Hoto 6

Sa'an nan kuma mu cire halin yanzu na stator coils 2 da 5, sa'an nan kuma mu wuce halin yanzu zuwa stator coils 3 da 6. A wannan lokaci, coils 3 da 6 za su samar da wani Magnetic filin, kuma stator yana daidai da bar magnet. , inda 3 shine sandar S (kudu) kuma 6 shine sandar N (arewa). Tunda igiyoyin maganadisu na jima'i daya ke jan hankalin juna, N pole na rotor zai juya zuwa matsayin coil 3, kuma S pole na rotor zai juya zuwa matsayin nada 6, kamar yadda aka nuna a hoto na 7.

Hoto 7

Hakazalika, ana cire na'urar na'urar na'ura mai kwakwalwa ta 3 da 6, sannan kuma za'a wuce ta na yanzu zuwa ga na'ura mai kwakwalwa ta 4 da 1. A wannan lokaci, coils 4 da 1 za su samar da filin maganadisu, kuma stator yayi daidai. zuwa magnetin mashaya, inda 4 shine sandar S (kudu) kuma 1 shine sandar N (arewa). Tunda igiyoyin maganadisu na jima'i guda suna jan hankalin juna, sandar N na rotor zai juya zuwa matsayin coil 4, kuma sandar S na rotor zai juya zuwa matsayin nada 1.

Ya zuwa yanzu, motar ta juya rabin da'irar…. Da'irar rabi na biyu iri ɗaya ne da ƙa'idar da ta gabata, don haka ba zan sake maimaita ta anan ba.Zamu iya fahimtar injin DC maras goga a matsayin kamun kifi a gaban jaki, ta yadda jakin zai dinga tafiya zuwa karas.

Don haka ta yaya za mu iya wuce daidaitaccen halin yanzu zuwa coils daban-daban a lokuta daban-daban? Wannan yana buƙatar da'irar motsi na yanzu…ba dalla-dalla anan.

Kwatanta fa'idodi da rashin amfani

Motar goga ta DC: saurin farawa, birki mai dacewa, ƙayyadaddun ƙayyadaddun saurin sauri, sarrafawa mai sauƙi, tsari mai sauƙi da ƙarancin farashi.Maganar ita ce arha!farashi mai arha!farashi mai arha!Bugu da ƙari, yana da babban motsi na farawa, babban juzu'i (ƙarfin juyawa) a ƙananan gudu, kuma yana iya ɗaukar nauyi mai nauyi.

Koyaya, saboda juzu'i tsakanin goga na carbon da ɓangaren mai motsi, injin goga na DC yana da saurin walƙiya, zafi, hayaniya, tsangwama na lantarki zuwa yanayin waje, ƙarancin inganci da gajeriyar rayuwa.Saboda gogewar carbon sune abubuwan da ake amfani da su, suna da saurin gazawa kuma suna buƙatar maye gurbinsu bayan ɗan lokaci.

Brushless DC Motor: Saboda dababu brushless DC motoryana kawar da buƙatun buƙatun carbon, yana da ƙaramar ƙararrawa, babu kulawa, ƙarancin gazawa, tsawon rayuwar sabis, ingantaccen lokacin gudu da ƙarfin lantarki, da ƙarancin tsangwama tare da kayan aikin rediyo. Amma yana da tsada! Mai tsada! Mai tsada!

Fasalolin Kayan Aikin Wuta

Kayan aikin wutar lantarki kayan aikin da aka saba amfani da su a rayuwa. Akwai iri da yawa da gasa mai zafi. Kowa yana da hankali sosai.Kuma kayan aikin wutar lantarki suna buƙatar ɗaukar nauyi mai nauyi kuma dole ne su sami babban ƙarfin farawa, irin su na'urorin hannu da tasirin tasiri.In ba haka ba, lokacin da ake hakowa, motar na iya yin kasawa cikin sauƙi saboda abin da ya makale.

Yi tunanin kawai, motar DC mai goga tana da ƙarancin farashi, babban ƙarfin farawa, kuma yana iya ɗaukar nauyi mai nauyi; duk da cewa injin da ba shi da buroshi yana da ƙarancin gazawa kuma yana da tsawon rai, yana da tsada, kuma ƙarfin da yake farawa ya yi ƙasa da na injin goge baki.Idan aka ba ku zabi, ta yaya za ku zaba, ina jin amsar a bayyane take.

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Lokacin aikawa: Oktoba-07-2022