SAIC MAXUS V80 Asalin Alamar Haɗaɗɗen Fulo - Na ƙasa biyar 0281002667

Firikwensin matsayi na Camshaft na'ura ce mai ji, kuma ana kiranta firikwensin siginar daidaitawa, na'urar sanya wariyar silinda ce, shigar da siginar matsayi na camshaft zuwa ECU, shine siginar sarrafa kunna wuta.

1, aiki da nau'in Sensor Matsayi na Camshaft (CPS), aikinsa shine tattara siginar motsi na Camshaft, da shigar da naúrar sarrafa lantarki (ECU), don ƙayyade lokacin kunnawa da lokacin allurar mai. Sensor Matsayin Camshaft (CPS) kuma ana kiranta da Sensor Identification Sensor (CIS), don bambanta daga crankshaft Matsayi Sensor (CPS), gabaɗaya CIS tana wakilta na'urorin firikwensin matsayi na Camshaft. Ayyukan firikwensin matsayi na camshaft shine tattara siginar matsayi na camshaft na rarraba iskar gas da shigar da shi zuwa ECU, ta yadda ECU zata iya gano mataccen mataccen mataccen cibiyar Silinda 1, don aiwatar da sarrafa allurar mai na jeri, sarrafa lokacin ƙonewa da sarrafa deignition. Bugu da kari, ana kuma amfani da siginar matsayi na camshaft don gano lokacin kunnawa na farko yayin fara injin. Saboda firikwensin matsayi na camshaft zai iya gano abin da piston Silinda ke gab da isa TDC, ana kiran shi firikwensin silinda. ), janareta na sigina, na'urorin rarraba, mahalli na firikwensin da filogi na igiyoyi na waya.Disk ɗin siginar shine siginar siginar firikwensin, wanda aka danna akan madaidaicin firikwensin. A cikin matsayi kusa da gefen farantin siginar don yin radian tazara iri ɗaya ciki da waje da'ira biyu na ramukan haske. Daga cikin su, ana yin zobe na waje tare da ramuka masu haske na 360 (ragi), kuma radian tazara shine 1. (Ramin mai nuna alamar 0.5., ramin shading wanda aka lissafta 0.5.) , An yi amfani da shi don samar da juyawa na crankshaft da siginar sauri; Akwai bayyanannun ramuka guda 6 (rectangular L) a cikin zoben ciki, tare da tazara na radian 60. , Ana amfani da shi don samar da siginar TDC na kowane Silinda, daga cikinsu akwai rectangle tare da fadi da ke da tsayi dan kadan don samar da siginar TDC na Silinda 1. An daidaita siginar siginar a kan mahalli na firikwensin, wanda ya ƙunshi siginar Ne (gudu da sauri da sauri). Siginar kusurwa) janareta, siginar G (siginar mataccen cibiyar siginar) janareta da da'irar sarrafa sigina. Ne siginar da G siginar janareta sun ƙunshi diode mai haske (LED) da transistor photosensitive (ko photosensitive diode), LED guda biyu kai tsaye suna fuskantar transistor masu ɗaukar hoto guda biyu bi da bi.Ka'idar aiki na Disc siginar tana hawa tsakanin diode mai fitar da haske. (LED) da transistor mai ɗaukar hoto (ko photodiode). Lokacin da ramin watsa haske akan faifan siginar ya juya tsakanin LED da transistor photosensitive, hasken da LED ke fitarwa zai haskaka transistor photosensitive, a wannan lokacin transistor mai ɗaukar hoto yana kunne, mai karɓar kayan aikin sa yana da ƙasa kaɗan (0.1 ~ O. 3V); Lokacin da sashin shading na siginar faifan yana jujjuya tsakanin LED da transistor photosensitive, hasken da LED ke fitarwa ba zai iya haskaka transistor na hotuna ba, a wannan lokacin transistor mai ɗaukar hoto ya yanke, mai karɓar sa mai girma matakin (4.8 ~ 5.2V). Idan faifan siginar ya ci gaba da juyawa, ramin watsawa da ɓangaren shading za su juya LED ɗin zuwa watsawa ko shading, kuma mai karɓar transistor mai ɗaukar hoto zai sake fitar da matakan girma da ƙasa. Lokacin da firikwensin axis tare da crankshaft da camshaft yana jujjuya tare da, ramin hasken sigina akan farantin karfe da sashin shading tsakanin LED da transistor mai ɗaukar hoto, farantin siginar hasken LED mai lalacewa zuwa haske da tasirin shading zai canza hasken haske zuwa siginar janareta na photosensitive. transistor, ana samar da siginar firikwensin kuma crankshaft da camshaft matsayi daidai da siginar bugun jini.Tun da crankshaft yana juyawa sau biyu, firikwensin firikwensin yana jujjuya siginar sau ɗaya, don haka firikwensin sigin G zai haifar da bugun jini guda shida. Ne siginar firikwensin zai haifar da siginar bugun jini 360. Domin tazarar radiyon ramin watsa haske na siginar G shine 60. Kuma 120 a kowace juyi na crankshaft. Yana samar da siginar motsa jiki, don haka ana kiran siginar G yawanci 120. Siginar. Garantin shigarwa na ƙira 120. Sigina 70 kafin TDC. (BTDC70., da siginar da aka haifar da rami mai haske tare da faɗin rectangular ɗan tsayi kaɗan ya dace da 70 kafin babban mataccen cibiyar injin Silinda 1. Don haka ECU zata iya sarrafa kusurwar allurar gaba da ƙonewa gaba Angle.Saboda Ne siginar transmittance rami. Radian tazara shine 1. (Ramin mai nuna alamar 0.5., ramin shading yana lissafin 0.5). juyawa na crankshaft shine 120. , G siginar siginar yana haifar da sigina ɗaya, Ne siginar siginar yana haifar da sigina na 60. Nau'in induction na Magnetic Induction matsayi za a iya raba shi zuwa nau'in Hall da nau'in magnetoelectric Tsohon yana amfani da tasirin zauren don samar da siginar matsayi tare da tsayayyen girman , kamar yadda aka nuna a cikin Hoto 1. Na karshen yana amfani da ka'idar shigar da maganadisu don samar da siginonin matsayi wanda girmansa ya bambanta da saurin daga ɗaruruwan millivolts zuwa ɗaruruwan volts, kuma amplitude ya bambanta sosai. Mai zuwa shine cikakken bayani game da ka'idar aiki na firikwensin: Hanyar aiki ta hanyar da layin ƙarfin maganadisu ya wuce shine ratar iska tsakanin madaidaicin maganadisu N da na'ura mai juyi, haƙori mai ƙarfi na rotor, ratar iska tsakanin na'ura mai juyi salient hakori da stator Magnetic shugaban, da Magnetic shugaban, da Magnetic farantin karfe da kuma m maganadisu S iyakacin duniya. Lokacin da siginar siginar ta juya, tazarar iska a cikin da'irar maganadisu zata canza lokaci-lokaci, kuma juriyar maganadisu na da'irar maganadisu da motsin maganadisu ta kan siginar siginar za su canza lokaci-lokaci. Dangane da ka'idar shigar da wutar lantarki, za a haifar da madaidaicin ƙarfin lantarki a cikin na'urar ganowa.Lokacin da siginar siginar ta juya agogon hannu, ratar iska tsakanin haƙoran rotor convex da kuma kan maganadisu ya ragu, rashin jin daɗin da'ira na Magnetic yana raguwa, motsin maganadisu φ. yana ƙaruwa, ƙimar canjin juyi yana ƙaruwa (dφ/dt>0), kuma ƙarfin lantarki da aka jawo E yana da inganci (E>0). Lokacin da convex haƙoran na rotor ke kusa da gefen magnetin kai, maganadisu na maganadisu φ yana ƙaruwa sosai, canjin canjin juyi shine mafi girma [D φ/dt=(dφ/dt) Max], kuma ƙarfin lantarki da aka jawo E shine mafi girma (E=Emax). Bayan da rotor ya juya a kusa da matsayi na B, ko da yake Magnetic flux φ har yanzu yana karuwa, amma yawan canjin magnetic flux yana raguwa, don haka ƙarfin lantarki E yana raguwa. da kuma tsakiyar layin maganadisu, duk da cewa tazarar iska tsakanin haƙoran rotor convex da kuma shugaban maganadisu shine mafi ƙanƙanta, ƙarfin maganadisu shine mafi ƙanƙanta, kuma magnetic flux φ shine mafi girma, amma saboda maganadisu. juyi ba zai iya ci gaba da karuwa ba, yawan canjin canjin maganadisu ba shi da sifili, don haka ƙarfin lantarki da aka jawo E shine sifili. Lokacin da na'ura mai juyi ya ci gaba da juyawa tare da jagorar agogo kuma hakorin haƙori ya bar shugaban magnetic, ratar iska tsakanin convex hakori da Magnetic kai yana ƙaruwa, ƙin yarda da kewayen maganadisu yana ƙaruwa, kuma ƙarfin maganadisu yana raguwa (dφ/dt< 0), don haka ƙarfin lantarki da aka jawo E ba shi da kyau. Lokacin da haƙoran haƙori ya juya zuwa gefen barin kan maganadisu, ƙarfin maganadisu φ yana raguwa da ƙarfi, canjin juzu'i ya kai matsakaicin matsakaici [D φ/df=- (dφ/dt) Max], da kuma haifar da ƙarfin lantarki E. Hakanan ya kai madaidaicin madaidaicin (E = -emax) Don haka ana iya ganin cewa duk lokacin da rotor na siginar ya juya haƙori mai dunƙulewa, na'urar firikwensin zai haifar da musanyawar ƙarfin lantarki na lokaci-lokaci, wato ƙarfin electromotive yana bayyana mafi girma kuma mafi ƙarancin ƙima, naɗaɗɗen firikwensin zai fitar da siginar musayar wuta daidai. Babban fa'idar firikwensin shigar da maganadisu shine cewa baya buƙatar samar da wutar lantarki ta waje, maganadisu na dindindin yana taka rawar canza makamashin inji zuwa makamashin lantarki, kuma ƙarfin maganadisu ba zai rasa ba. Lokacin da saurin injin ya canza, saurin jujjuyawar haƙoran haƙoran na'ura mai juyi zai canza, ƙimar canjin juzu'i a cikin ainihin kuma zai canza. Mafi girman saurin, mafi girman canjin canjin juzu'i, mafi girman ƙarfin induction electromotive a cikin na'urar firikwensin.Tun da ratawar iska tsakanin haƙoran rotor convex da shugaban maganadisu kai tsaye yana rinjayar juriya na maganadisu na da'ira da ƙarfin fitarwa na na'urar firikwensin, ratar iska tsakanin haƙoran rotor convex da kan maganadisu ba za a iya canza yadda ake so ba. Idan tazarar iska ta canza, dole ne a daidaita shi bisa ga tanadi. The iska rata ne kullum tsara a cikin kewayon 0.2 ~ 0.4mm.2) Jetta, Santana mota Magnetic induction crankshaft matsayi firikwensin1) Tsarin fasali na crankshaft matsayi firikwensin: The Magnetic induction crankshaft matsayi firikwensin na Jetta AT, GTX da Santana 2000GSi an shigar. A kan tubalin Silinda kusa da kama a cikin crankcase, wanda akasari ya ƙunshi janareta na sigina da rotor sigina.Mai janareta na siginar yana kulle zuwa toshe injin kuma ya ƙunshi maganadisu na dindindin, na'urar ganowa, da matosai na wayoyi. Har ila yau ana kiran coil ɗin siginar sigina, kuma ana haɗe kan maganadisu zuwa magnet ɗin dindindin. Kan maganadisu kai tsaye gaban na'ura mai juyi nau'in siginar haƙori da aka sanya a kan crankshaft, kuma an haɗa kan magnet ɗin tare da maɗaurin maganadisu (farantin jagorar maganadisu) don samar da madauki na jagorar maganadisu.The siginar na'ura mai juyi yana da nau'in diski mai haƙori, tare da 58 convex hakora, ƙananan hakora 57 da babban haƙori guda ɗaya daidai gwargwado akan kewayensa. Babban haƙori ya ɓace siginar nunin fitarwa, daidai da injin Silinda 1 ko Silinda 4 matsawar TDC kafin wani kusurwa. Radians na manyan hakora sun yi daidai da na hakora biyu convex da ƙananan hakora uku. Domin siginar siginar tana jujjuyawa tare da crankshaft, kuma crankshaft yana juyawa sau ɗaya (360). , siginar rotor shima yana juyawa sau ɗaya (360). , don haka crankshaft juyi Angle shagaltar da convex hakora da hakori lahani a kan kewaye na siginar rotor ne 360. ). , The crankshaft Angle lissafta da manyan hakori lahani ne 15. (2 x 3. + 3 x3. = 15). .2) yanayin crankshaft matsayi firikwensin aiki yanayin: lokacin da crankshaft matsayi firikwensin tare da crankshaft yana juyawa, ka'idar aiki na firikwensin induction magnetic, siginar na'ura mai juyi kowane ya juya haƙori mai dunƙulewa, na'urar ganowa zai haifar da emf na lokaci-lokaci (ƙarfin lantarki). a cikin mafi ƙanƙanta kuma mafi ƙanƙanta), coil yana fitar da siginar wutar lantarki mai canzawa daidai da haka. Domin ana samar da siginar rotor da babban haƙori don samar da siginar magana, don haka idan babban haƙori ya juya kan maganadisu, ƙarfin siginar yana ɗaukar lokaci mai tsawo, wato siginar fitarwa shine siginar bugun jini mai faɗi, wanda yayi daidai da. wani kusurwa kafin Silinda 1 ko Silinda 4 matsawa TDC. Lokacin da naúrar sarrafa lantarki (ECU) ta karɓi siginar bugun jini mai faɗi, zai iya sanin cewa babban matsayi na TDC na Silinda 1 ko 4 yana zuwa. Amma ga matsayin TDC mai zuwa na Silinda 1 ko 4, yana buƙatar ƙayyade bisa ga shigarwar siginar daga firikwensin matsayi na camshaft. Tunda rotor siginar yana da haƙoran haƙora 58, na'urar firikwensin zai haifar da siginar wutar lantarki 58 ga kowane juyi na siginar siginar (juyi ɗaya na injin crankshaft).Duk lokacin da siginar siginar tana jujjuya tare da injin crankshaft, na'urar firikwensin tana ciyar da 58. bugun jini a cikin naúrar sarrafa lantarki (ECU). Don haka, ga kowane sigina 58 da aka samu ta wurin firikwensin matsayi na crankshaft, ECU ya san cewa injin crankshaft ya juya sau ɗaya. Idan ECU ta karɓi siginar 116000 daga firikwensin matsayi na crankshaft a cikin 1min, ECU na iya ƙididdige cewa saurin crankshaft n shine 2000 (n=116000/58=2000)r/rain; Idan ECU tana karɓar sigina 290,000 a cikin minti ɗaya daga firikwensin matsayi na crankshaft, ECU tana ƙididdige saurin crank na 5000 (n= 29000/58 = 5000) r/min. Ta wannan hanyar, ECU na iya ƙididdige saurin jujjuyawar crankshaft dangane da adadin siginar bugun jini da aka karɓa a minti ɗaya daga firikwensin matsayi na crankshaft. Siginar saurin injin da siginar kaya sune mafi mahimmanci kuma siginar sarrafawa na asali na tsarin sarrafa lantarki, ECU na iya ƙididdige sigogin sarrafawa na asali guda uku bisa ga waɗannan sigina guda biyu: Tsarin allura na gaba Angle (lokaci), maɓallin ci gaba na ci gaba (lokaci) da ƙaddamar da kunnawa. Angle (ƙwaƙwalwar wuta na farko na yanzu akan lokaci) .Jetta AT da GTx, Santana 2000GSi motar magnetic induction nau'in crankshaft matsayi firikwensin siginar siginar da aka samar ta siginar azaman siginar tunani, ECU sarrafa lokacin allurar man fetur da lokacin kunnawa yana dogara ne akan sigin da aka haifar. ta sigina. Lokacin da ECu ta karɓi siginar da babban lahani na haƙori ke haifarwa, yana sarrafa lokacin kunnawa, lokacin allurar mai da farkon lokacin sauyawa na wutar lantarki (watau Angle conduction) bisa ga siginar ƙaramin lahani na haƙori.3) Motar Toyota. TCCS Magnetic induction crankshaft da camshaft matsayi firikwensinToyota Computer Control System (1FCCS) yana amfani da crankshaft shigar da maganadisu da firikwensin matsayi na camshaft wanda aka gyara daga mai rarrabawa, wanda ya ƙunshi sassa na sama da na ƙasa. An raba ɓangaren babba zuwa siginar ganowa crankshaft matsayi (watau gano silinda da siginar TDC, wanda aka sani da siginar G) janareta; An raba ƙananan ɓangaren zuwa saurin crankshaft da siginar kusurwa (wanda ake kira siginar Ne) janareta.1) Tsarin tsarin janareta na siginar Ne: An shigar da janareta siginar a ƙasan janareta na siginar G, galibi ya ƙunshi na'ura mai juyi sigina na 2, Ne firikwensin nada da kuma shugaban maganadisu. An daidaita siginar siginar a kan ma'aunin firikwensin, firikwensin firikwensin yana motsawa ta hanyar camshaft rarraba gas, babban ƙarshen shaft sanye take da shugaban wuta, rotor yana da hakora 24 convex. Ana daidaita ma'aunin ji da kuma shugaban maganadisu a cikin mahalli na firikwensin, kuma madaidaicin kai yana daidaitawa a cikin na'urar ganowa.2) saurin sauri da ƙa'idar ƙirƙirar siginar Angle da tsarin sarrafawa: lokacin da injin crankshaft, bawul camshaft firikwensin firikwensin, sannan fitar da rotor. juyi, na'ura mai jujjuyawar hakora da ke fitowa da tazarar iska tsakanin shugaban maganadisu yana canzawa ta wata hanya, jin murɗa a cikin motsin maganadisu yana canzawa ta wata hanya, sannan ka'idar aiki na firikwensin shigar da maganadisu yana nuna cewa a cikin na'urar ganowa na iya haifar da madaidaicin inductive electromotive ƙarfi. Saboda siginar na'urar tana da hakora 24 convex, na'urar firikwensin zai samar da sigina 24 masu canzawa lokacin da na'urar ta juya sau ɗaya. Kowane juyi na firikwensin shaft (360). Wannan yayi daidai da juyi biyu na injin crankshaft (720). , don haka madaidaicin sigina (watau lokacin sigina) yayi daidai da jujjuyawar crank na 30. (720. Present 24 = 30). , yayi daidai da jujjuyawar shugaban wuta 15. (30. Present 2 = 15). . Lokacin da ECU ta karɓi sigina 24 daga janareta siginar Ne, ana iya sanin cewa crankshaft yana juyawa sau biyu kuma shugaban kunnawa yana juyawa sau ɗaya. Shirin ciki na ECU na iya ƙididdigewa da ƙayyade saurin crankshaft injin da saurin kan kunna wuta gwargwadon lokacin kowane siginar Ne. Domin daidai sarrafa ƙonewa gaba Angle da man fetur allura advance Angle, crankshaft Angle shagaltar da kowane sigina sake zagayowar (30. Kusurwoyi ne karami. Yana da matukar dace don cim ma wannan aiki ta microcomputer, da kuma mita division zai sigina kowane Ne. (crank Angle 30) An raba daidai da siginar bugun jini 30, kuma kowane siginar bugun jini daidai yake da crank Angle 1. (30. Present 30 = 1). Siginar bugun jini ya dace da kusurwar crankshaft na 0.5 (30. ÷60 = 0.5. . An ƙayyade takamaiman saiti ta hanyar buƙatun Angle daidai da ƙirar shirin.3) Halayen tsarin G siginar janareta: G siginar janareta ana amfani da shi don gano matsayi na piston top matattu cibiyar (TDC) da kuma gane abin da Silinda yana gab da isa TDC matsayi da sauran tunani sigina. G siginar janareta ya ƙunshi No. 1 siginar rotor, Sensing coil G1, G2 da Magnetic head, da dai sauransu. Siginar na'ura mai juyi yana da flanges biyu kuma an gyara shi a kan ma'aunin firikwensin. Sensor coils G1 da G2 an raba su da digiri 180. Hawan, G1 coil yana samar da siginar daidai da injin na shida Silinda matsawa saman matattu cibiyar 10. Siginar da G2 coil ya yi daidai da lO kafin matsawa TDC na farkon Silinda na injin.4) Gano Silinda da siginar cibiyar matattu. Ƙa'idar tsarawa da tsarin sarrafawa: ka'idar aiki na G siginar janareta daidai yake da na Ne siginar janareta. Lokacin da injin camshaft ya kora firikwensin firikwensin don juyawa, flange na siginar siginar G (Lamba 1 siginar siginar) ya ratsa ta kan madaidaicin na'urar ganowa a madadin, kuma tazarar iska tsakanin flange na rotor da kan maganadisu yana canzawa a madadin. , kuma za a haifar da siginar ƙarfin wutar lantarki a madadin Gl da G2. Lokacin da ɓangaren flange na G siginar na'ura mai juyi yana kusa da magnetic head na sensing coil G1, ana haifar da siginar bugun jini mai kyau a cikin jigon na'urar G1, wanda ake kira siginar G1, saboda ratar iska tsakanin flange da shugaban maganadisu yana raguwa, Magnetic juzu'i yana ƙaruwa kuma ƙimar canjin yanayin maganadisu ta tabbata. Lokacin da ɓangaren flange na siginar G yana kusa da na'urar ji na G2, tazarar iska tsakanin flange da shugaban maganadisu yana raguwa kuma ɗigon maganadisu yana ƙaruwa.