Kutarisa kudzvanywa mu lubrication system ndeimwe yemamiriro ekuita kwakajairika kweinjini yekupisa yemukati.Ma sensor anokosha anoshandiswa kuyera kudzvanywa - verenga zvese nezve mafuta ekumanikidza sensors, mhando dzawo, dhizaini, musimboti wekushanda, pamwe nesarudzo yavo chaiyo uye kutsiva mune chinyorwa.
Chii chinonzi mafuta pressure sensor?
Iyo mafuta pressure sensor chinhu chinonzwisiswa chezviridzwa uye alarm zvishandiso zvelubrication system yekudzoreredza injini dzinopisa dzemukati;Sensor yekuyera kudzvanywa mu lubrication system uye kusaina kuderera kwayo pazasi pedanho rakakosha.
Oiri pressure sensors inoita mabasa maviri makuru:
• Yambiro mutyairi pamusoro pekuderera kwemafuta ekudzvinyirira muhurongwa;
• Alarm nezve yakaderera / isina mafuta muhurongwa;
• Kudzora kwemafuta akazara kumanikidza muinjini.
Masensa akabatanidzwa kune mutsara mukuru weoiri yeinjini, iyo inokutendera kuti utarise kudzvanywa kwemafuta uye kuvepo kwayo muoiri system (izvi zvinokutendera kuti utarise kushanda kwepombi yemafuta, kana ikasashanda, mafuta anongoita. kwete kupinda mumutsara).Nhasi, ma sensors emhando dzakasiyana uye zvinangwa akaiswa painjini, izvo zvinoda kutsanangurwa zvakadzama.
Iyo injini lubrication system uye nzvimbo yekumanikidza sensors mairi
Mhando, dhizaini uye musimboti wekushanda kweoiri pressure sensors
Chekutanga pane zvese, ese ma sensors ekumanikidza akakamurwa kuva marudzi maviri zvichienderana nechinangwa chavo:
• Alarm sensor (alarm sensor yekukurumidzira kudonha kwemafuta ekudonha, "sensor pamwenje");
• Sensor yekuyera zvachose mafuta ekumanikidza ("sensor pamudziyo").
Zvishandiso zverudzi rwekutanga zvinoshandiswa mualarm system yekudonha kwakasimba mukumanikidza kwemafuta, zvinokonzeresa chete kana kudzvanywa kunodonha pasi peimwe nhanho.Masensor akadaro akabatana neruzha kana mwenje kuratidza zvishandiso (buzzer, mwenje pane dashboard), iyo inonyevera mutyairi nezve yakaderera kudzvinyirira / chiyero chemafuta muinjini.Nokudaro, rudzi urwu rwechigadzirwa chinowanzonzi "sensors per lamp".
Masensa emhando yechipiri anoshandiswa muoiri pressure yekuyera sisitimu, anoshanda pamusoro peiyo yese yekumanikidza renji muinjini lubrication system.Midziyo iyi zvinhu zvinonzwisa tsitsi zvezviyero zvinoyera (analog kana dijitari), zviratidzi zvinoratidzwa pane dashboard uye zvinoratidza kudzvanywa kwemafuta muinjini, ndosaka vachiwanzonzi "sensors pachiridzwa".
Masensa ese emazuva ano emafuta ekumanikidza ari diaphragm (diaphragm).Pane zvinhu zvitatu zvakakosha mumudziyo uyu:
• Gomba rakavharwa rakavharwa nesimbi inoshanduka membrane (diaphragm);
• Kutumira michina;
• Mushanduri: chiratidzo chemagetsi kune magetsi.
Iyo mhango ine diaphragm yakabatana neiyo huru mutsara weoiri yeinjini, saka inogara ichichengetedza yakafanana neoiri kumanikidza semutsetse, uye chero shanduko yekumanikidza inokonzeresa kuti diaphragm ibve paavhareji nzvimbo.Kutsauka kwe membrane kunonzwisiswa nemuchina wekutumira uye kunopihwa kune transducer, iyo inogadzira chiratidzo chemagetsi - ichi chiratidzo chinotumirwa kune yekuyera mudziyo kana yemagetsi control unit.
Nhasi, mafuta ekumanikidza ma sensors anoshandisa nzira dzekufambisa uye shanduko dzakasiyana mukugadzira uye musimboti wekushanda, mumhando ina dzemidziyo inogona kusiyaniswa:
Iwo makuru marudzi e diaphragm (diaphragm) oiri pressure sensors
Nhasi, mafuta ekumanikidza ma sensors anoshandisa nzira dzekufambisa uye shanduko dzakasiyana mukugadzira uye musimboti wekushanda, mumhando ina dzemidziyo inogona kusiyaniswa:
• Iyo yekusangana-yemhando sensor ndeye sensors chete yechiratidzo chechiratidzo ("pamwenje");
• Rheostat sensor;
• Pulse sensor;
• Piezocrystalline sensor.
Chimwe nechimwe chezvigadziri chine maitiro ayo ekugadzira uye nheyo yekushanda.
Bata mafuta ekumanikidza sensor (parambi)
Iyo sensor ndeye yemhando yekubata.Chishandiso chine boka rekuonana - chinofambiswa chinobata chiri pa membrane, uye yakagadziriswa yekubata yakabatana kune mudziyo muviri.Nzvimbo yevanoshamwaridzana inosarudzwa nenzira yekuti panguva yakajairika mafuta ekumanikidza muhurongwa maitirwo akazaruka, uye pakumanikidzwa kwakadzika anovharwa.Chikumbaridzo chinodzvanywa chinogadzikwa nechitubu, zvinoenderana nerudzi uye modhi yeinjini, saka yekuonana mhando sensors haiwanzo chinjana.
Rheostat sensor.Chishandiso chine tambo yakagadziriswa rheostat uye inotsvedza yakabatana kune membrane.Kana iyo membrane inotsauka kubva paavhareji chinzvimbo, inotsvedza inotenderera yakatenderedza axis nenzira yechigaro chinozunguza uye inotsvedza ichitevedza rheostat - izvi zvinotungamira kune shanduko mukupokana kweiyo rheostat, iyo inotariswa nechiyereso chekuyeresa kana yemagetsi unit.Nokudaro, kuchinja kwemafuta emafuta kunoratidzwa mukushandurwa kwekudzivirira kwe sensor, iyo inoshandiswa pakuyera.
Pulse sensor.Chigadzirwa chacho chine thermobimetallic vibrator (transducer) ine hukama hwakasimba ne membrane.Iyo vibrator ine maviri ekubatika, imwe yacho (iyo yepamusoro) inogadzirwa nebimetallic ndiro ine kupisa coil ronda pairi.Mumamiriro ekutonhora, bimetallic plate inotwasanudzwa uye yakavharwa nechepasi pasi - ikozvino inoyerera kuburikidza nevhavha yakavharwa, kusanganisira kupisa coil.Nokufamba kwenguva, spiral inopisa bimetallic plate, inokotama uye inofamba kubva kune yakaderera kusangana - dunhu rinovhura.Nekuda kwekuputsika kwedunhu, iyo spiral inomira kupisa, iyo bimetallic ndiro inotonhorera pasi uye inotwasuka - dunhu rinovhara zvakare uye iyo nzira inotanga zvakare.Nekuda kweizvozvo, iyo bimetallic plate inogara ichidedera uye inochinjika ikozvino yeimwe frequency inoumbwa pakubuda kwe sensor.
Iyo yakaderera yekubata sensor yakabatana neiyo diaphragm, iyo, zvichienderana nekumanikidzwa kwemafuta, inotsauka kubva panzvimbo yepakati kumusoro kana pasi.Kana iri nyaya yekusimudza diaphragm (nekuwedzera kwemafuta ekumanikidza), iyo yepasi yekubatana inokwira uye inomanikidzwa zvakanyanya kupikisa bimetallic plate, saka iyo vibration frequency inoderera, vanobatana vari munzvimbo yakavharwa kwenguva yakareba.Kana iyo membrane yadzikiswa, iyo yakaderera yekubata inosimuka kubva kune bimetallic plate, saka iyo vibration frequency inowedzera, vanobatika vari munzvimbo yakavharwa kwenguva shoma.Kuchinja nguva yevanobatika munzvimbo yakavharwa (kureva, kushandura frequency yealternating ikozvino pakubuda kwe sensor) uye inoshandiswa neanalog mudziyo kana yemagetsi unit kuyera kudzvanywa kwemafuta muinjini.
Piezocrystalline sensor.Iyi sensor ine piezocrystalline transducer yakabatana ne membrane.Nheyo ye transducer inonzi piezocrystalline resistor - crystal ine piezoelectric properties, kune ndege mbiri iyo yakananga ikozvino inopiwa, uye ndege dzeperpendicular dzakabatanidzwa kune membrane uye yakagadzika base plate.Kana mafuta emafuta achichinja, membrane inotsauka kubva paavhareji nzvimbo, izvo zvinotungamira kune shanduko yekumanikidza pane piezocrystalline resistor - semhedzisiro, iyo conductive zvimiro zveanopikisa uye, zvinoenderana, kushanduka kwayo kushanduka.Shanduko yezvino pakubuda kwe sensor inoshandiswa neiyo control unit kana chiratidzo kuyera kudzvanywa kwemafuta muinjini.
Masensa ese, zvisinei nerudzi rwerudzi, ane cylindrical simbi kesi, yakasungwa fitting inopiwa pazasi peimba yekubatanidza kune mutsara weoiri (kuvharisa mawashi anoshandiswa kuvhara), uye yekubatanidza kune yemagetsi system inowanikwa. pamusoro kana parutivi.Yechipiri yekubata ndiyo imba, kuburikidza neinjini block yakabatana nepasi remagetsi system.Kune zvakare hexagon pamuviri wekukwira uye kubvisa sensor uchishandisa yakajairwa wrench.
Nyaya dzekusarudza uye kutsiva mafuta ekumanikidza sensors
Oiri pressure sensors (maalarm uyekuyerwa kwekumanikidza) zvakakosha pakuongorora kushanda kwejini, saka kana ikakundikana, inofanira kuchinjwa - sekutonga, haigoni kugadziriswa.Iko kudikanwa kwekutsiva iyo sensor inogona kuratidzirwa nekuverengera kusiri kwechishandiso kana kushanda nguva dzose kwechiratidzo pane dashboard.Kana iyo chiyero chemafuta muhurongwa chakajairika, uye pasina matambudziko neinjini, saka unofanirwa kutsiva sensor.
Kuti utsive, zvinodikanwa kuti usarudze masensa chete emhando idzi uye mhando dzinokurudzirwa nemugadziri weinjini.Kushandiswa kweimwe sensor modhi inogona kutungamirira kukuputsika kwekuverenga kwechiyereso chiridzwa kana chiratidzo pane dashboard.Izvi ndezvechokwadi kunyanya kune ma alarm sensors - kazhinji haachinjike uye anogadzika kune imwe chikumbaridzo kumanikidza pafekitori.Nemafuta ekumanikidza sensors, mamiriro acho akasiyana - muzviitiko zvakawanda zvinokwanisika kushandisa mamwe marudzi uye mhando dzemidziyo, sezvo yekuyera mudziyo kana yemagetsi control unit inopa kugona kugadzirisa (calibrate) kune nyowani sensor.
Kutsiva iyo mafuta pressure sensor iri nyore.Basa rinofanira kuitwa chete pane yakamira uye inotonhora injini, sezvo munyaya iyi pasina mafuta mumutsara mukuru wemafuta (kana kuti pane zvishoma zvayo), uye hapazovi nekubuda kana sensor ichibviswa.Iyo sensor inongoda kusunungurwa nekiyi, uye mudziyo mutsva unofanirwa kukwizwa panzvimbo yayo.Iyo yekuisa chisimbiso washer inofanirwa kuiswa pane iyo sensor inokodzera, zvikasadaro sisitimu inogona kurasikirwa nekusimba kwayo.
Nekusarudzwa kwakaringana uye kutsiva sensor, iyo yakakosha yeoiri kudonhedza alarm system uye injini yemafuta ekumanikidza kuyerwa system ichashanda yakavimbika, ichipa inodiwa yekutarisa mamiriro eiyo simba unit.
Nguva yekutumira: Aug-18-2023