Ana amfani da relay na thermal galibi don yin lodin abin da ke kare injin asynchronous.Its aiki ka'idar shi ne cewa bayan da obalodi halin yanzu wuce ta thermal kashi, da biyu karfe takardar ne lankwasa don tura da mataki inji don fitar da lamba mataki, don haka kamar yadda katse da motor kula da kewaye da gane da mota kashewa, da kuma taka rawa. Ba da dogon lokacin canja wurin zafi da ake buƙata yayin lanƙwasawa na farantin bimmetal, ba za a iya amfani da relay na thermal azaman gajeriyar kariyar kewayawa ba, amma kawai azaman kariya ta wuce gona da iri na isar da iskar zafi.
Lokacin da thermal gudun ba da sanda da ake amfani da obalodi kare mota, gama thermal kashi da stator winding na motor a cikin jerin, da kullum rufaffiyar lamba na thermal gudun ba da sanda aka haɗa a cikin iko da'irar na electromagnetic nada na AC contactor, da kuma saitin gyaran gyare-gyare na yanzu an daidaita shi don yin lever na herringbone ya zama nisa mai dacewa daga sandar turawa.Lokacin da motar ke aiki akai-akai, halin yanzu ta hanyar thermal element shine ƙimar halin yanzu na motar.Lokacin da thermal element warms sama, da biyu karfe takardar da aka lanƙwasa bayan dumama, sabõda haka, tura sanda kawai lambobin sadarwa da herringbone lever, amma ba zai iya tura herringbone sanda.The kullum rufaffiyar lambobin sadarwa suna rufe, da AC contactor zauna tsunduma, da kuma motar tana aiki kullum.
Idan halin da ake ciki na jujjuyawar mota, halin yanzu a cikin iska yana ƙaruwa, ta hanyar halin yanzu a cikin thermal gudun ba da sanda kashi bimetallic zafin jiki ya tashi mafi girma, lankwasawa digiri, inganta herringbone lever, herringbone lever tura sau da yawa rufe lamba, sa lamba katse kuma katse da ac. contactor coil circuit, sa contactor saki, yanke ikon motor, da mota tsayawa da kuma kariya.
Sauran sassa na thermal relay shine kamar haka: hannun hagu na herringbone lever ana yin shi da bimetallic, lokacin da yanayin yanayin yanayi ya canza, babban kewayawa zai haifar da wasu lankwasa nakasawa, sannan hannun hagu a hanya guda, ta yadda nisa tsakanin ledar herringbone. kuma sandar turawa ba ta canzawa, tabbatar da daidaiton aikin relay thermal. Wannan aikin ana kiransa aikin ramuwa zazzabi.
Dunƙule 8 ne mai daidaita dunƙule tare da al'ada rufaffiyar lamba reset.Lokacin da dunƙule matsayi ne a gefen hagu, bayan da mota obalodi, da sau da yawa rufaffiyar lamba ne katse, bayan da mota tsaya, da zafi gudun ba da sanda bimetallic takardar sanyaya reset.The motsi lambobin sadarwa na Lambobin da aka rufe na yau da kullun za su sake saitawa ta atomatik a ƙarƙashin aikin bazara. A wannan lokacin, ana sake saita yanayin zafi ta atomatik.Lokacin da aka juya dunƙule a kusa da agogo zuwa wani wuri, idan motar ta yi nauyi, lambar da aka saba rufe ta thermal. Lambobin da ke motsawa za su kai sabon matsayi a hannun dama. Ba za a iya sake saita lambar sadarwa ba bayan an kashe motar. Dole ne a danna maɓallin sake saiti kafin a sake saita lambar. a cikin yanayin sake saiti da hannu.Idan nauyin motar ya yi kuskure, don guje wa sake kunna motar cikin sauƙi, relay thermal ya kamata ya ɗauki yanayin sake saiti na hannu.Don daidaita saurin gudu daga yanayin sake saiti na manual zuwa yanayin sake saiti ta atomatik, kawai dunƙule daidaitawar sake saiti a kusa da agogo zuwa wurin da ya dace.
Lokacin aikawa: Maris 28-2022
