Kula da matsa lamba a cikin tsarin lubrication yana ɗaya daga cikin yanayin aiki na yau da kullun na injin konewa na ciki.Ana amfani da na'urori masu auna firikwensin musamman don auna matsa lamba - karanta duk game da na'urori masu auna karfin mai, nau'ikan su, ƙirar su, ƙa'idar aiki, kazalika da zaɓin daidai da maye gurbin su a cikin labarin.
Menene firikwensin matsa lamba mai?
Na'urar firikwensin man fetur wani abu ne mai mahimmanci na kayan aiki da na'urorin ƙararrawa don tsarin lubrication na maimaita injunan konewa na ciki;Na'urar firikwensin don auna matsa lamba a cikin tsarin lubrication da siginar raguwar sa a ƙasa mai mahimmanci.
Na'urori masu auna karfin mai suna yin manyan ayyuka guda biyu:
• Gargaɗi da direba game da ƙarancin man fetur a cikin tsarin;
• Ƙararrawa game da ƙananan / babu mai a cikin tsarin;
• Sarrafa cikakken matsa lamba mai a cikin injin.
Ana haɗa na'urori masu auna firikwensin zuwa babban layin mai na injin, wanda ke ba ka damar saka idanu akan matsa lamba mai da kasancewarsa a cikin tsarin mai (wannan kuma yana ba ka damar bincika aikin famfon mai, idan ya yi kuskure, mai kawai yana yin hakan. kada ku shiga layi).A yau, ana shigar da na'urori masu auna firikwensin nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan an shigar da su da dalilai daban-daban) akan injin da ke buƙatar ƙarin bayani.
Tsarin lubrication na injin da wurin na'urori masu auna matsi a cikinsa
Nau'i, ƙira da ka'idar aiki na na'urori masu auna karfin mai
Da farko dai, duk na'urori masu auna matsa lamba sun kasu kashi biyu bisa ga manufarsu:
• firikwensin ƙararrawa ( firikwensin ƙararrawa don faɗuwar matsa lamba na gaggawa, "fitilar fitilun");
• Sensor don auna cikakken matsi na mai ("sensor akan na'urar").
Ana amfani da na'urori na nau'in farko a cikin tsarin ƙararrawa na raguwa mai mahimmanci a cikin man fetur, ana haifar da su ne kawai lokacin da matsa lamba ya sauke ƙasa da wani matakin.Irin waɗannan na'urori masu auna firikwensin suna da alaƙa da na'urorin nunin sauti ko haske (buzzer, fitila akan dashboard), waɗanda ke gargaɗi direba game da ƙarancin matsa lamba / matakin mai a cikin injin.Don haka, ana kiran irin wannan nau'in na'ura a matsayin "sensors per lamp".
Ana amfani da firikwensin nau'in nau'i na biyu a cikin tsarin ma'auni na man fetur, suna aiki a kan dukkanin matsa lamba a cikin tsarin lubrication na inji.Wadannan na'urori suna da mahimmanci na kayan auna daidai (analog ko dijital), alamun su ana nuna su a kan dashboard kuma suna nuna nauyin man fetur na yanzu a cikin injin, wanda shine dalilin da ya sa ake kiran su "sensors akan kayan aiki".
Duk na'urori masu auna karfin mai na zamani sune diaphragm (diaphragm).Akwai manyan abubuwa guda uku a cikin wannan na'urar:
• Ƙofar da aka rufe ta hanyar murfin ƙarfe mai sassauƙa (diaphragm);
• Tsarin watsawa;
Mai juyawa: siginar inji zuwa lantarki.
Ramin da ke da diaphragm yana da alaƙa da babban layin mai na injin, don haka koyaushe yana kiyaye matsi iri ɗaya kamar yadda yake a cikin layi, kuma duk wani motsi na matsa lamba yana haifar da diaphragm ɗin ya karkata daga matsakaicin matsayi.Ana fahimtar karkatar da membrane ta hanyar hanyar watsawa kuma ana ciyar da su zuwa transducer, wanda ke haifar da siginar lantarki - ana aika wannan siginar zuwa na'urar aunawa ko na'urar sarrafa lantarki.
A yau, na'urori masu auna karfin mai suna amfani da hanyoyin watsawa da masu canzawa waɗanda suka bambanta a cikin ƙira da ƙa'idar aiki, a cikin duka nau'ikan na'urori huɗu ana iya bambanta:
Babban nau'ikan diaphragm (diaphragm) na'urori masu auna karfin mai
A yau, na'urori masu auna karfin mai suna amfani da hanyoyin watsawa da masu canzawa waɗanda suka bambanta a cikin ƙira da ƙa'idar aiki, a cikin duka nau'ikan na'urori huɗu ana iya bambanta:
• Firikwensin nau'in lamba shine kawai firikwensin na'urar sigina ("akan fitila");
• firikwensin Rheostat;
• firikwensin bugun jini;
• firikwensin Piezocrystalline.
Kowane ɗayan na'urorin yana da fasalin ƙirar sa da ƙa'idar aiki.
Tuntuɓi firikwensin matsa lamba mai (kowace fitila)
Na'urar firikwensin nau'in lamba ne.Na'urar tana da ƙungiyar tuntuɓar - lambar sadarwa mai motsi wacce ke kan membrane, da kafaffen lamba da aka haɗa da jikin na'urar.An zaɓi matsayi na lambobin sadarwa ta hanyar da a al'ada man fetur a cikin tsarin lambobin sadarwa suna buɗewa, kuma a ƙananan matsa lamba an rufe su.An saita matsin lamba ta hanyar bazara, ya dogara da nau'in da samfurin injin, don haka na'urori masu auna firikwensin lamba ba koyaushe suke canzawa ba.
Rheostat firikwensin.Na'urar tana da kafaffen rheostat na waya da faifai da aka haɗa da membrane.Lokacin da membrane ya karkata daga matsakaicin matsayi, faifan yana juyawa a kusa da axis ta hanyar kujera mai girgiza da nunin faifai tare da rheostat - wannan yana haifar da canjin juriya na rheostat, wanda na'urar aunawa ko naúrar lantarki ke kulawa.Don haka, canjin matsa lamba mai yana nunawa a cikin canjin juriya na firikwensin, wanda ake amfani dashi don ma'auni.
bugun jini firikwensin.Na'urar tana da vibrator thermobimetallic (transducer) wanda ke da ƙaƙƙarfan haɗi tare da membrane.Jijjiga ya ƙunshi lambobi guda biyu, ɗaya daga cikinsu (na sama) an yi shi da farantin bimetallic tare da rauni mai zafi a kai.A cikin yanayin sanyi, farantin bimetallic yana daidaitawa kuma an rufe shi tare da haɗin ƙasa - halin yanzu yana gudana ta cikin rufaffiyar da'irar, ciki har da na'urar dumama.Bayan lokaci, karkace yana dumama farantin bimetallic, yana tanƙwara kuma yana motsawa daga ƙananan lamba - kewayawa yana buɗewa.Sakamakon raguwa a cikin kewayawa, karkace yana dakatar da dumama, farantin bimetallic yana kwantar da hankali kuma ya mike - kewayawa ya sake rufewa kuma tsarin ya sake farawa.A sakamakon haka, farantin bimetallic yana girgiza kullun kuma ana samun canjin halin yanzu na wani mitar ta musamman a fitowar firikwensin.
Ƙananan lamba na firikwensin yana haɗi zuwa diaphragm, wanda, dangane da matsa lamba mai, ya bambanta daga matsayi na tsakiya sama ko ƙasa.A cikin yanayin ɗaga diaphragm (tare da karuwa a matsa lamba na man fetur), ƙananan lamba yana tasowa kuma an danna shi da karfi a kan farantin bimetallic, don haka mitar girgiza ya ragu, lambobin sadarwa suna cikin rufaffiyar wuri na dogon lokaci.Lokacin da aka saukar da membrane, ƙananan lamba yana motsawa daga farantin bimetallic, don haka mitar girgiza yana ƙaruwa, lambobin sadarwa suna cikin rufaffiyar wuri na ɗan lokaci.Canza tsawon lokacin lambobin sadarwa a cikin rufaffiyar yanayi (wato, canza mitar alternating current a fitarwa na firikwensin) kuma ana amfani da na'urar analog ko naúrar lantarki don auna matsin mai a cikin injin.
Piezocrystalline firikwensin.Wannan firikwensin yana da transducer piezocrystalline da aka haɗa da membrane.Tushen transducer shine resistor piezocrystalline - crystal tare da kaddarorin piezoelectric, zuwa jiragen sama guda biyu waɗanda aka ba da su kai tsaye, kuma ana haɗa jiragen sama na perpendicular zuwa membrane da kafaffen tushe farantin.Lokacin da matsa lamba na man fetur ya canza, membrane ya ɓace daga matsakaicin matsayi, wanda zai haifar da canji a matsa lamba a kan piezocrystalline resistor - a sakamakon haka, abubuwan da suka dace na resistor kuma, saboda haka, juriya ya canza.Canjin halin yanzu a fitarwa na firikwensin ana amfani da naúrar sarrafawa ko mai nuna alama don auna matsin mai a cikin injin.
Duk na'urori masu auna firikwensin, ba tare da la'akari da nau'in ba, suna da akwati na ƙarfe na cylindrical, an ba da kayan dacewa da zaren a kasan gidan don haɗawa da layin mai (ana amfani da masu wanki don rufewa), kuma ana samun lamba don haɗi zuwa tsarin lantarki. a saman ko gefe.Alamar ta biyu ita ce gidaje, ta hanyar injin injin da aka haɗa da ƙasa na tsarin lantarki.Hakanan akwai hexagon a jiki don hawa da tarwatsa firikwensin ta amfani da maƙallan al'ada.
Batutuwa na zaɓi da maye gurbin na'urori masu auna karfin mai
Na'urori masu auna karfin mai (ƙarararrawa dama'aunin matsa lamba) suna da mahimmanci don lura da aikin injin, don haka idan sun kasa, dole ne a canza su - a matsayin mai mulkin, ba za a iya gyara su ba.Ana iya nuna buƙatar maye gurbin firikwensin ta kuskuren karatun na'urar ko akai-akai na mai nuna alama akan dashboard.Idan matakin mai a cikin tsarin yana da al'ada, kuma babu matsaloli tare da injin, to, kuna buƙatar maye gurbin firikwensin.
Don maye gurbin, ya zama dole a zaɓi na'urori masu auna firikwensin kawai na waɗannan nau'ikan da samfuran waɗanda masana'antun injin ke ba da shawarar.Amfani da samfurin firikwensin daban na iya haifar da cin zarafin karatun kayan aunawa ko mai nuni akan dashboard.Wannan gaskiya ne musamman ga na'urori masu auna ƙararrawa - yawanci ba a daidaita su kuma an saita su zuwa wani matsa lamba a masana'anta.Tare da na'urori masu auna firikwensin man fetur, yanayin ya bambanta - a yawancin lokuta yana yiwuwa a yi amfani da wasu nau'o'in nau'i da nau'in na'urori, tun da na'urar aunawa ko na'ura mai sarrafa lantarki yana ba da damar daidaitawa (calibirate) zuwa sabon firikwensin.
Sauya firikwensin matsa lamba mai abu ne mai sauƙi.Ya kamata a gudanar da aikin kawai a kan injin tsayawa da sanyi, tun da yake a cikin wannan yanayin babu mai a cikin babban layin mai (ko kuma kadan ne), kuma ba za a sami raguwa ba lokacin da firikwensin ya rushe.Ana buƙatar buɗe firikwensin kawai da maɓalli, kuma ya kamata a murƙushe sabuwar na'ura a wurinta.Dole ne a sanya wanki mai rufewa akan dacewa da firikwensin firikwensin, in ba haka ba tsarin na iya rasa matsewa.
Tare da madaidaicin zaɓi da maye gurbin firikwensin, tsarin ƙararrawa mai mahimmanci mai jujjuyawar mai da tsarin ma'aunin ma'aunin mai zai yi aiki da dogaro, yana ba da kulawar da ya dace na yanayin rukunin wutar lantarki.
Lokacin aikawa: Agusta-18-2023