Nheyo yekudzora injini yejekiseni ndeye throttle assembly, iyo inogadzirisa kuyerera kwemhepo mumasilinda.Pachisina basa, basa rekupa mhepo rinoenda kune imwe yuniti - iyo isingashande yekumhanyisa regulator.Verenga nezve regulators, marudzi avo, dhizaini uye mashandiro, pamwe nekusarudzwa kwavo nekutsiviwa kwavo muchinyorwa.
Chii chinonzi idle speed regulator?
Idle speed regulator (XXX, yakawedzera mhepo regulator, idle sensor, DXH) ndiyo inogadzirisa magadzirirwo emagetsi emagetsi ejini injini;Chigadzirwa che electromechanical chakavakirwa pane inotsika mota inopa metered mweya wekupa kune inogamuchira mota ichipfuura yakavharwa throttle valve.
Muinjini yekupisa yemukati ine jekiseni remafuta (majekiseni), kukurumidza kutonga kunoitwa nekupa huwandu hunodiwa hwemhepo kumakamuri ekupisa (kana kuti, kune anogamuchira) kuburikidza neiyo throttle musangano, umo iyo throttle valve inodzorwa na. iyo gasi pedal iripo.Nekudaro, mune iyi dhizaini, pane dambudziko rekuita idling - kana pedal isina kudzvanywa, iyo throttle valve yakavharwa zvachose uye mweya hauyerere kumakamuri ekupisa.Kuti ugadzirise dambudziko iri, imwe nzira yakakosha inounzwa mumusangano we throttle iyo inopa mweya wemhepo kana damper yakavharwa - isingaite yekumhanyisa regulator.
XXX inoita mabasa akati wandei:
● Kupiwa kwemhepo inodiwa kutanga uye kudziya chikwata chemagetsi;
● Kugadzirisa uye kugadzikana kweiyo shoma injini yekumhanya (idling);
● Damping yemhepo inoyerera mumamodhi enguva pfupi - nekuzarura kwakapinza uye kuvhara kwevhavha yevhavha;
● Kugadziriswa kwekushanda kwemotokari mumhando dzakasiyana-siyana.
Iyo isina basa yekumhanyisa regulator yakamisikidzwa pane iyo throttle musangano muviri inovimbisa kushanda kwakajairika kweinjini pakusaita uye pachikamu chekuremedza modes.Kukundikana kwechikamu ichi kunokanganisa kushanda kwemotokari kana kuidzima zvachose.Kana kusashanda kunoonekwa, iyo RHX inofanira kuchinjwa nekukurumidza, asi usati watenga chikamu chitsva, zvakakosha kuti unzwisise magadzirirwo uye kushanda kwechikamu ichi.
Iyo throttle ungano nenzvimbo yeRHX mairi
Mhando, dhizaini uye musimboti wekushanda kwePHX
Ese maregulator asina basa ane zvinhu zvitatu zvikuru: mota inotsika, gungano revharuvhu, uye valve actuator.Iyo PX yakaiswa mune yakakosha chiteshi (bypass, bypass), inowanikwa ichipfuura iyo throttle vharafu, uye vheji yayo inodzora nzira yeiyi chiteshi (inogadzirisa dhayamita rayo kubva pakuvhara kuzere kusvika kuzere kuvhurwa) - iyi ndiyo nzira iyo mhepo inopa kune receiver uye mberi kune cylinders inogadziriswa.
Zvimiro, PXX inogona kusiyanisa zvakanyanya, nhasi marudzi matatu ezvishandiso izvi anoshandiswa:
● Axial (axial) ine conical valve uye ine dhiraivha yakananga;
● Radial (L-shaped) ine conical kana T-shaped valve ine drive kuburikidza negiya rehonye;
● Nevhavha yechikamu (butterfly valve) ine motokari yakananga.
Axial PXX ine conical valve inonyanya kushandiswa mumotokari dzevatakuri dzine injini duku (kusvika 2 litita).Nheyo yekugadzira imotokari inotsika, pamwe chete neaxis ye rotor iyo tambo inochekwa - inotungamira screw inoputirwa mushinda iyi, ichiita setsvimbo, uye inotakura cone valve.Iyo lead screw ine rotor inogadzira iyo valve actuator - kana rotor ichitenderera, dzinde rinowedzera kana kudzoka nevhavha.Ichi chimiro chese chakavharirwa mupurasitiki kana simbi kesi ine flange yekumisikidza pamusangano we throttle (kuisirwa kunogona kuitwa ne screws kana mabhoti, asi varnish yekumisikidza inowanzoshandiswa - iyo regulator inongonamirwa kune iyo throttle musangano muviri uine yakakosha. varnish).Kuseri kwekesi kune yakajairwa yemagetsi yekubatanidza kune yemagetsi injini control unit (ECU) uye inopa simba.
No-load regulator ine yakananga valve stem drive
Izvo zvinofanirwa kucherechedzwa kuti mukutungamira trapezoid kune axle ine yakazvimirira kuturika, imwe tie tsvimbo inonyatso shandiswa, yakakamurwa kuita zvikamu zvitatu - inonzi yakaputswa tsvimbo.Kushandiswa kwetsvimbo yakabviswa tie kunodzivirira kungoerekana kwaita mavhiri anofambiswa paunenge uchityaira pamapumpu mumugwagwa nekuda kwekusiyana kweamplitude ye oscillation yekurudyi uye kuruboshwe mavhiri.Iyo trapezoid pachayo inogona kuwanikwa kumberi uye kuseri kweaxle yemavhiri, mune yekutanga kesi inonzi kumberi, mune yechipiri - yekumashure (saka usafunge kuti "rear steering trapezoid" igiya rekutungamirira riri pamusoro. simbi yekumashure yemota).
Mumasisitimu ekufambisa akavakirwa padhiraivha, matanda maviri chete anoshandiswa - kurudyi nekuruboshwe kuchinjika kutyaira mavhiri ekurudyi nekuruboshwe, zvichiteerana.Muchokwadi, iyi ndiyo inotungamira trapezoid ine yakapatsanurwa longitudinal tsvimbo ine hinge iri pakati - iyi mhinduro inorerutsa zvakanyanya dhizaini yekutungamirira, ichiwedzera kuvimbika kwayo.Tsvimbo dzemuchina uyu dzinogara dziine dhizaini yakaumbwa, zvikamu zvadzo zvekunze zvinowanzonzi mazano ekutungamirira.
Tie tsvimbo dzinogona kukamurwa kuita mapoka maviri zvichienderana nemukana wekuchinja kureba kwavo:
● Kusagadziriswa - tsvimbo imwe chete ine urefu hwakapiwa, inoshandiswa mumadhiraivha nemamwe madhiri anogadziriswa kana zvimwe zvikamu;
● Kugadziriswa - matanda anoumbwa, ayo, nekuda kwezvimwe zvikamu, anogona kuchinja urefu hwawo mukati memimwe miganhu kugadzirisa giya rekutungamirira.
Chekupedzisira, tsvimbo dzinogona kukamurwa kuita mapoka mazhinji zvichienderana nekushanda kwavo - kumota nemarori, kumota dzine uye dzisina simba rekufambisa, nezvimwe.
Radial (L-yakaumbwa) PXX ine inenge yakafanana application, asi inogona kushanda neinjini dzine simba.Izvo zvakare zvakavakirwa pane inotsika mota, asi pane axis yerotor yayo (armature) pane honye, iyo, pamwe neiyo counter giya, inotenderera torque inoyerera ne90 madhigirii.A stem drive yakabatana kune giya, iyo inovimbisa kuwedzera kana kudzoreredza kwevhavha.Chimiro chese ichi chinowanikwa mune yakaita L-yakaita imba ine zvinhu zvinokwirisa uye yakajairwa magetsi yekubatanidza kuECU.
PXX ine chikamu vharafu (damper) inoshandiswa painjini dzemota yakakura, maSUV nemarori ekutengesa.Hwaro hwechigadzirwa imota inotsika ine yakagadziriswa armature, iyo yakatenderedza iyo stator ine magineti asingagumi anogona kutenderera.Iyo stator inogadzirwa muchimiro chegirazi, inoiswa mukutakura uye yakabatana zvakananga kune sector flap - ndiro inovhara hwindo pakati peinopinza uye yekubuda pombi.Iyo RHX yeiyi dhizaini inogadzirwa mune imwecheteyo kesi nemapombi, ayo akabatana neiyo throttle musangano uye anogamuchira kuburikidza nehose.Zvakare pane iyo kesi ndeye standard yemagetsi connector.
Pasinei nekusiyana kwekugadzira, ese PHX ane musimboti wakafanana wekushanda.Panguva iyo moto unobatidzwa (pakarepo usati watanga injini), chiratidzo chinogamuchirwa kubva kuECU kuenda kuRX kuti ivhare zvachose valve - iyi ndiyo nzira iyo zero point yemutongi inoiswa, kubva uko kukosha kweiyo bypass channel kuvhura inobva yapimwa.Iro zero inotarirwa kuti igadzirise iyo inogona kupfeka yevhavha uye chigaro chayo, kutarisa kwekuvhara kwakakwana kwevhavha kunoitwa nemazuva ano muPXX circuit (apo valve yakaiswa pachigaro, ikozvino. kuwedzera) kana nemamwe masensa.Iyo ECU inozotumira masaini emagetsi kuPX stepper mota, iyo inotenderera pane imwe kona kana imwe kuvhura vharuvhu.Dhigirii yekuvhurwa kwevhavha inotarwa mumatanho emota yemagetsi, nhamba yavo inoenderana nekugadzirwa kweXXX uye algorithms akaiswa muECU.Kazhinji, paunotanga injini uye pane injini isina kupisa, valve yakazaruka pamatanho 240-250, uye pane injini inodziya, mavharuvhu emhando dzakasiyana anovhura pamatanho 50-120 (kureva, kusvika 45-50% ye channel cross-section).Pamhando dzakasiyana-siyana dzenguva pfupi uye pakuremerwa kweinjini, vharuvhu inogona kuvhura mukati mese kubva 0 kusvika 240-250 nhanho.
Ndokunge, panguva yekutanga injini, iyo RHX inopa iyo inodiwa vhoriyamu yemhepo kune inogamuchira kune yakajairwa injini idling (pakumhanya isingasviki 1000 rpm) kuitira kuti ichidziye uye kupinda yakajairika mode.Zvadaro, kana mutyairi achidzora injini achishandisa accelerator (gas pedal), PHX inoderedza kuwanda kwemhepo inopinda mumugwagwa wekupfuura kusvikira yavharwa zvachose.Injini ECU inogara ichitarisa nzvimbo yevhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavha,kuwanda kwemweya unouya,kuwanda kweokisijeni mumagasi ekupedza,kumhanya kwecrankshaft uye mamwe hunhu, uye zvichibva pane idzi data inodzora idle speed regulator, mune yese injini. maitiro ekushandisa achivimbisa kurongeka kwakaringana kwemusanganiswa unopisa.
Circuit yekugadziriswa kwemhepo inopihwa neasina basa kumhanya regulator
Nyaya dzekusarudza uye kutsiva iyo idle speed regulator
Matambudziko ane XXX anoratidzwa nemaitiro ekushanda kwesimba remagetsi - isina kugadzikana isingaiti kumhanya kana kungoerekana yamira pane yakaderera kumhanya, kugona kutanga injini chete nekudzvanya kazhinji kwegasi pedal, pamwe nekuwedzera kukurumidza isingaiti pane inodziya injini. .Kana zviratidzo zvakadaro zvikaonekwa, mutongi anofanira kuongororwa maererano nemirairo yekugadzirisa motokari.
Pamotokari dzisina iyo XXX yekuzviongorora system, iwe unofanirwa kuita cheki cheki chemutongi uye masimba ayo maseketi - izvi zvinoitwa uchishandisa yakajairwa tester.Kuti utarise dunhu remagetsi, zvinodikanwa kuyera iyo voltage pane iyo sensor kana ignition iripo, uye kuti utarise iyo sensor pachayo, iwe unofanirwa kufonera mamhepo emagetsi ayo emagetsi.Pamotokari dzine XXX diagnostic system, zvinodikanwa kuverenga macode ezvikanganiso uchishandisa scanner kana komputa.Chero zvazvingava, kana kusashanda kweRHX kwaonekwa, inofanira kutsiviwa.
Vaya chete vanodzora vanogona kushanda neiyi chaiyo throttle ungano uye ECU vanofanirwa kusarudzwa kuti vatsive.Iyo PHX inodiwa inosarudzwa nenhamba yecatalog.Mune zvimwe zviitiko, zvinokwanisika kushandisa analogues, asi zviri nani kuti usaite bvunzo dzakadaro nemotokari pasi pewaranti.
Kutsiviwa kwePXX kunoitwa maererano nemirayiridzo yekugadzirisa motokari.Kazhinji, kuvhiya uku kunodzika kune akati wandei matanho:
1.De-energize hurongwa hwemagetsi emotokari;
2.Bvisa chibatanidza chemagetsi kubva kune regulator;
3.Dismantle the RHX nekusunungura maviri kana kupfuura screws (mabhaudhi);
4.Chenesa nzvimbo yekuisa yemutongi;
5.Install uye batanidza PXX itsva, apo iwe unoda kushandisa zvakabatanidzwa sealing elements (rubber rings kana gaskets).
Mune dzimwe mota, zvinogona zvakare kuve zvakafanira kuputsa zvimwe zvinhu - mapaipi, air filter imba, nezvimwe.
Kana iyo RHX yakaiswa pamotokari ine varnish, ipapo iwe uchafanirwa kubvisa iyo yose throttle musangano, uye isa mutongi mutsva pane yakakosha varnish yakatengwa zvakasiyana.Nekugadzwa kwezvishandiso zvine chikamu damper, zvinokurudzirwa kushandisa mabhanhire matsva kugadzirisa hoses pamapombi.
Nesarudzo chaiyo uye kuisirwa, iyo RHX ichatanga kushanda nekukasira, ichiva nechokwadi chekushanda kwakajairika kweinjini mumamodhi ese.
Nguva yekutumira: Jul-26-2023