I-SAIC MAXUS V80 Ipulaki Yokuqala Yokufudumeza Ibhrendi - Kazwelonke emihlanu 0281002667

I-Camshaft position sensor iyisisetshenziswa senzwa, esibizwa nangokuthi inzwa yesiginali ye-synchronous, iyisilinda sokucwaswa kwedivayisi, isignali yokufaka ye-camshaft ku-ECU, iyisiginali yokulawula ukuthungela.

1, umsebenzi bese uthayipha i-Camshaft Position Sensor (CPS), umsebenzi wayo ukuqoqa isignali ye-Angle enyakazayo ye-Camshaft, kanye neyunithi yokulawula i-electronic input (ECU), ukuze kunqunywe isikhathi sokubasa nesikhathi sokujova uphethiloli. I-Camshaft Position Sensor (CPS) yaziwa nangokuthi I-Cylinder Identification Sensor (CIS), ukuze uhlukanise ku-crankshaft Position Sensor (CPS), izinzwa zokuma kwe-Camshaft ngokuvamile zimelelwa yi-CIS. Umsebenzi we-sensor ye-camshaft ukuqoqa isignali yendawo ye-camshaft yokusabalalisa igesi bese uyifaka ku-ECU, ukuze i-ECU ikwazi ukuhlonza isikhungo se-compression top dead se-cylinder 1, ukuze yenze ukulawulwa komjovo kaphethiloli okulandelanayo, ukulawula isikhathi sokuthungela kanye nokulawula ukubola. Ngaphezu kwalokho, isignali yesikhundla se-camshaft iphinde isetshenziselwe ukukhomba isikhathi sokuqala sokuthungela ngesikhathi sokuqala kwenjini. Ngenxa yokuthi i-camshaft position sensor ingakwazi ukubona ukuthi iyiphi i-cylinder piston esezofika ku-TDC, ibizwa ngokuthi i-cylinder recognition sensor.photoelectricIzici zesakhiwo se-Photoelectric crankshaft kanye nenzwa yendawo ye-camshaft ekhiqizwe yinkampani yakwaNissan ithuthukisiwe kusuka kumsabalalisi, ikakhulukazi ngediski yesiginali (i-signal rotor), i-signal generator, i-disk signal appli Isignali yokusabalalisa. i-rotor yenzwa, ecindezelwa ku-shaft yenzwa. Kundawo eseduze nomkhawulo wepuleti lesignali ukwenza i-radian yesikhawu efanayo ngaphakathi nangaphandle kwemibuthano emibili yezimbobo zokukhanya. Phakathi kwazo, indandatho yangaphandle yenziwe ngezimbobo ezisobala ezingu-360 (izikhala), kanti i-radian yesikhawu ingu-1. (Imbobo esobala ibalwa ngo-0.5. , imbobo yomthunzi ibalwa ku-0.5.) , esetshenziselwa ukukhiqiza ukujikeleza kwe-crankshaft kanye nesignali yesivinini; Kunezimbobo ezi-6 ezicacile (unxande L) eringini yangaphakathi, nesikhawu sama-radian angama-60. , isetshenziselwa ukukhiqiza isignali ye-TDC yesilinda ngasinye, phakathi kwayo kukhona unxande onqenqemeni olubanzi olude kancane ukuze ukhiqize isignali ye-TDC ye-cylinder 1.I-generator yesignali igxilile kwi-sensor yezindlu, eyakhiwe nge-Ne signal (isivinini kanye nesignali ye-Angle) generator, isignali ye-G (isignali ephezulu yesikhungo esifile) i-generator kanye ne-signal processing circuit circuit. Isignali ye-Ne kanye ne-G signal generator yenziwe nge-light emitting diode (LED) kanye ne-photosensitive transistor (noma i-photosensitive diode), ama-LED amabili abheke ngokuqondile ama-transistors amabili athatha izithombe ngokulandelana. Lapho imbobo yokudlulisa ukukhanya kudiski yesignali izungeza phakathi kwe-LED ne-photosensitive transistor, ukukhanya okukhishwa yi-LED kuzokhanyisa i-photosensitive transistor, ngalesi sikhathi i-photosensitive transistor ivuliwe, umqoqi wayo okhipha izinga eliphansi (0.1 ~ O. 3V); Lapho ingxenye ye-shading yediski yesiginali izungeza phakathi kwe-LED kanye ne-photosensitive transistor, ukukhanya okukhishwa yi-LED akukwazi ukukhanyisa i-photosensitive transistor, ngalesi sikhathi i-transistor ye-photosensitive inqanyuliwe, ukuphuma kwayo komqoqi kusezingeni eliphezulu (4.8 ~ 5.2V) . isiqoqi se-photosensitive transistor sizokhipha amazinga aphezulu naphansi ngokushintshana. Lapho i-axis yenzwa ene-crankshaft ne-camshaft izungeza, imbobo yokukhanya epuleti nengxenye yomthunzi phakathi kwe-LED kanye nokuphenduka kwe-photosensitive transistor, ipuleti lesignali yokukhanya kwe-LED yomphumela wokukhanya kanye nomphumela wokuthungatha izoshintsha imisebe kujeneretha wesiginali ye-photosensitive transistor, isignali yenzwa iyakhiqizwa kanye nesignali ye-camshaft ehambisana ne-crankshaft kanye nesignali ye-crankshaft. i-crankshaft izungeza kabili, i-sensor shaft izungeza isignali kanye, ngakho-ke inzwa yesiginali ye-G izokhiqiza ama-pulses ayisithupha. Inzwa yesignali ye-Ne izokhiqiza amasignali we-pulse angu-360. Ngoba isikhawu se-radian sembobo yokudlulisa ukukhanya yesignali ye-G ngu-60. Futhi 120 ngokuzungezisa ngakunye kwe-crankshaft. Ikhiqiza isignali ye-impulse, ngakho-ke isignali ye-G ngokuvamile ibizwa ngokuthi 120. Isignali. Isiqinisekiso sokufakwa kwedizayini 120. Isiginali 70 ngaphambi kwe-TDC. (BTDC70. , kanye nesignali ekhiqizwe imbobo ekhanyelayo enobubanzi obuthe unxande ende bufana no-70 ngaphambi kwesikhungo esiphezulu esifile se-cylinder yenjini 1. Ukuze i-ECU ikwazi ukulawula i-Engle yokuqhubekela phambili komjovo kanye ne-Engle yokuthungela kusengaphambili. Ngoba i-radian yesikhawu ye-Ne signal transmittance i-1. (Imbobo esobala engu-0.5 ibalwa. , ngakho-ke kumjikelezo we-pulse ngamunye, izinga eliphezulu kanye ne-akhawunti yezinga eliphansi le-1 ngokulandelana, amasignali angu-360 abonisa ukujikeleza kwe-crankshaft 720. Ukujikeleza ngakunye kwe-crankshaft yi-120 isebenzisa umphumela wehholo ukukhiqiza isignali yesikhundla nge-amplitude engaguquki, njengoba kuboniswe ku-Figure 1. Lesi sakamuva sisebenzisa isimiso sokungeniswa kukazibuthe ukukhiqiza amasiginali wesikhundla ama-amplitude awo ahluka ngesivinini kusuka kumamilivolthi angamakhulu amaningana kuya kumakhulu ama-volts, futhi i-amplitude iyahlukahluka kakhulu. Igebe lomoya phakathi kwesigxobo sikazibuthe esingu-N kanye ne-rotor, i-rotor salient tooth, igebe lomoya phakathi kwezinyo le-rotor salient kanye nekhanda kazibuthe, inhloko kazibuthe, ipuleti lokuqondisa kazibuthe kanye nesigxobo sikamazibuthe S lapho i-rotor yesiginali izungeza, igebe lomoya kusekethe kazibuthe lizoshintsha ngezikhathi ezithile, futhi ukumelana kazibuthe kwesifunda kazibuthe kanye nesimiso sozibuthe esishintshashintshayo se-electromagnetic period. I-alternating electromotive force izokwenziwa ku-coil yokuzwa.Lapho i-rotor yesignali izungeza iwashi, igebe lomoya phakathi kwamazinyo e-rotor convex kanye nekhanda lamagnetic liyancipha, ukungabaza kwesifunda kazibuthe kunciphisa, i-magnetic flux φ iyanda, izinga lokushintsha kwe-flux likhuphuka (dφ / dt> 0), kanye ne-induced electromotive umkhawulo wekhanda kazibuthe, i-flux kazibuthe φ ikhuphuka kakhulu, izinga lokushintsha kwe-flux likhulu kunawo wonke [D φ/dt=(dφ/dt) Max], futhi amandla e-electromotive eyengelwe u-E aphakeme kakhulu (E=Emax) Ngemva kokuba i-rotor ijikeleza endaweni yephuzu B, nakuba i-flux magnetic φ isakhula, kodwa izinga lokuncipha kwe-electromotive liyancipha. i-rotor izungeza emgqeni ophakathi wezinyo ezihlangene kanye nomugqa ophakathi wekhanda kazibuthe, nakuba igebe lomoya phakathi kwezinyo le-rotor convex kanye nekhanda kazibuthe lincane kakhulu, ukumelana namagnetic wesifunda kazibuthe kuncane kakhulu, futhi i-flux magnetic φ iyona enkulu kunazo zonke, kodwa ngenxa yokuthi i-flux kazibuthe ayikwazi ukuqhubeka nokukhula, izinga lokuguqulwa kwe-magnetic flux ku-roduce i-roduce ku-rotate i-rotate i-rotate iqhubeka, ngakho-ke i-electrotive iqhubeka i-zeromotive. ngokulandela iwashi futhi izinyo eliyi-convex lishiya ikhanda likazibuthe, igebe lomoya phakathi kwezinyo le-convex nekhanda kazibuthe liyakhula, ukungabaza komjikelezo kazibuthe kuyanda, futhi ukugeleza kazibuthe kuncipha (dφ/dt< 0), ngakho-ke amandla e-electrodynamic enziwe u-E awalungile Lapho izinyo le-convex liphendukela onqenqemeni lokushiya ikhanda likazibuthe, lehla izinga lomkhuhlane kazibuthe lifinyelela izinga eliphezulu likazibuthe. φ/df=-(dφ/dt) Max], kanye namandla e-electromotive eyengelwe u-E nawo afinyelela kumkhawulo ongemuhle (E= -emax).Ngakho kungabonakala ukuthi ngaso sonke isikhathi lapho i-rotor yesiginali iphendulela izinyo le-convex, ikhoyili yenzwa izokhiqiza amandla e-electromotive ashintshashintshayo ngezikhathi ezithile, okungukuthi, amandla e-electromotive avela inani eliphakeme lesignali elihambisanayo Inzuzo yenzwa yokungenisa kazibuthe ukuthi ayidingi ukunikezwa kwamandla kwangaphandle, uzibuthe unomphela udlala indima yokuguqula amandla kagesi abe amandla kagesi, futhi amandla ayo kazibuthe ngeke alahleke Lapho isivinini senjini sishintsha, isivinini sokujikeleza kwamazinyo e-rotor sizoshintsha, futhi izinga lokushintsha kwe-flux ku-core nalo lizoshintsha. Amazinyo e-convex kanye nekhanda kazibuthe lithinta ngokuqondile ukumelana namagnetic wesekethe kazibuthe kanye ne-voltage ephumayo yekhoyili yenzwa, igebe lomoya phakathi kwamazinyo e-rotor convex kanye nekhanda kazibuthe alikwazi ukushintshwa ngokuthanda uma lisetshenziswa, kufanele lilungiswe ngokuvumelana nezinhlinzeko. Inzwa yesikhundla se-crankshaft: Inzwa ye-magnetic induction crankshaft position ye-Jetta AT, i-GTX kanye ne-Santana 2000GSi ifakwe ku-cylinder block eduze kwe-clutch ku-crankcase, eyakhiwe kakhulu yi-signal generator kanye ne-signal rotor. Ikhoyili yokuzwa ibizwa nangokuthi ikhoyili yesignali, kanti ikhanda kazibuthe linamathele kuzibuthe unomphela. Inhloko kazibuthe ibhekene ngqo ne-rotor yesignali yohlobo lwe-tooth disk efakwe ku-crankshaft, futhi ikhanda likazibuthe lixhunywe nejoka kazibuthe (ipuleti lomhlahlandlela kazibuthe) ukuze kwakheke i-loop yomhlahlandlela kazibuthe.Isiginali ye-rotor iwuhlobo lwe-toothed disc, enamazinyo angama-58 ayi-convex, amazinyo angama-57 amancane nezinyo elilodwa elikhulu elihlukaniswe ngokulinganayo endaweni eyindilinga. Izinyo elikhulu alinayo isignali yereferensi yokuphumayo, ehambisana nesilinda senjini 1 noma isilinda 4 sokuminyaniswa kwe-TDC ngaphambi kwe-engeli ethile. Imisebe yamazinyo amakhulu ilingana namazinyo amabili ayi-convex namazinyo amathathu amancane. Ngoba i-rotor yesiginali izungeza ne-crankshaft, futhi i-crankshaft izungeza kanye (360). , i-rotor yesiginali nayo izungeza kanye (360). , ngakho-ke i-engeli yokuzungezisa i-crankshaft ethathwe amazinyo ayi-convex kanye nokukhubazeka kwezinyo kusiyingi se-rotor yesiginali ingu-360. , I-engeli yokuzungeza i-crankshaft yezinyo ngalinye eliyi-convex nezinyo elincane ngu-3. (58 x 3. 57 x + 3. = 345). , i-Engeli ye-crankshaft ebalwe ngokukhubazeka okukhulu kwamazinyo ngu-15. (2 x 3. + 3 x3. = 15). .2) isimo sokusebenza senzwa ye-crankshaft: lapho inzwa yendawo ye-crankshaft ene-crankshaft izungeza, isimiso sokusebenza senzwa yamagnetic induction, isignali yerotha ngayinye iphendule izinyo eligobile, ikhoyili ezwayo izokhiqiza i-emf eshintshanayo ngezikhathi ezithile (amandla kagesi ngobukhulu nobuncane), ikhoyili ikhipha isignali ye-voltage eshintshanayo ngokufanele. Ngenxa yokuthi i-rotor yesiginali inikezwa izinyo elikhulu ukukhiqiza isignali yereferensi, ngakho-ke lapho izinyo elikhulu lezinyo liphendulela ikhanda likazibuthe, i-voltage yesiginali ithatha isikhathi eside, okungukuthi, isignali yokuphuma iyisignali ye-pulse ebanzi, ehambisana ne-Angle ethile ngaphambi kwe-cylinder 1 noma i-cylinder 4 compression TDC. Lapho i-electronic control unit (ECU) ithola isignali ye-pulse ebanzi, ingakwazi ukuthi indawo ephezulu ye-TDC yesilinda 1 noma 4 siyeza. Ngokuqondene nendawo ezayo ye-TDC yesilinda 1 noma 4, idinga ukunquma ngokusho kokufaka kwesignali kusuka kunzwa yendawo ye-camshaft. Njengoba i-rotor yesiginali inamazinyo ayi-convex angu-58, ikhoyili yenzwa izokhiqiza amasignali kagesi ashintshanayo angu-58 ekuguqukeni ngakunye kwe-rotor yesiginali (i-revolution eyodwa ye-crankshaft yenjini).Ngaso sonke isikhathi lapho i-rotor yesiginali izungeza ku-crankshaft yenjini, ikhoyili yenzwa iphakela ama-pulse angu-58 kuyunithi yokulawula kagesi (ECU). Ngakho-ke, kuwo wonke amasignali angu-58 atholwe inzwa yendawo ye-crankshaft, i-ECU iyazi ukuthi i-crankshaft yenjini izungeza kanye. Uma i-ECU ithola amasiginali angu-116000 kusuka kunzwa yendawo ye-crankshaft phakathi no-1min, i-ECU ingabala ukuthi isivinini se-crankshaft n singu-2000(n=116000/58=2000)r/imvula; Uma i-ECU ithola amasiginali angu-290,000 ngomzuzu ukusuka kunzwa yendawo ye-crankshaft, i-ECU ibala isivinini se-crank esingu-5000(n= 29000/58 =5000)r/min. Ngale ndlela, i-ECU ingakwazi ukubala isivinini sokujikeleza kwe-crankshaft ngokusekelwe enanini lamasiginali we-pulse atholwe ngomzuzu ukusuka kunzwa yendawo ye-crankshaft. Isiginali yesivinini senjini kanye nesiginali yomthwalo yizimpawu zokulawula ezibaluleke kakhulu neziyisisekelo zesistimu yokulawula i-elekthronikhi, i-ECU ingabala imingcele emithathu yokulawula eyisisekelo ngokusho kwalezi zimpawu ezimbili: i-basic injection advance Angle (isikhathi), i-basic ignition advance Angle (isikhathi) kanye ne-ignition conduction Angle (ikhoyili yokuvutha eyinhloko yamanje ngesikhathi) . isignali yereferensi, ukulawulwa kwe-ECU kwesikhathi sokujova uphethiloli nesikhathi sokuthungela kusekelwe kusignali ekhiqizwe isignali. Lapho i-ECu ithola isignali ekhiqizwe ukukhubazeka kwamazinyo amakhulu, ilawula isikhathi sokuthungela, isikhathi sokujova uphethiloli kanye nesikhathi sokuqala samanje sokushintsha ikhoyili yokuthungela (okungukuthi i-Angle conduction) ngokwesignali encane yokukhubazeka kwezinyo.3) Imoto yakwaToyota i-TCCS magnetic induction crankshaft kanye ne-camshaft position sensorToyota Computer Control System (1FCCS) isebenzisa inzwa kazibuthe yeToyota Computer Control System (1FCCS) umsabalalisi, ohlanganisa izingxenye ezingaphezulu neziphansi. Ingxenye engenhla ihlukaniswe yaba isignali yereferensi yesikhundla se-crankshaft (okungukuthi ukuhlonza isilinda kanye nesignali ye-TDC, eyaziwa ngokuthi isignali ye-G) generator; Ingxenye engezansi ihlukaniswe ngesivinini se-crankshaft nesignali yekona (ebizwa ngokuthi isignali ye-Ne) i-generator.1) Izici zesakhiwo se-generator yesignali ye-Ne: I-generator yesignali ye-Ne ifakwe ngaphansi kwe-generator yesignali ye-G, ikakhulukazi eyakhiwe nge-rotor yesignali engu-No. I-rotor yesiginali igxilwe ku-shaft yenzwa, i-sensor shaft iqhutshwa i-camshaft yokusabalalisa igesi, indawo engaphezulu ye-shaft ifakwe ikhanda lomlilo, i-rotor inamazinyo angama-24 we-convex. Ikhoyili ezwayo nekhanda kazibuthe kugxilwe endlini yezinzwa, futhi ikhanda likazibuthe ligxiliswe kukhoyili yokuzwa.2) isivinini kanye nesimiso sokukhiqiza isignali ye-Angle kanye nenqubo yokulawula: lapho i-crankshaft yenjini, amasiginali wenzwa ye-valve camshaft, bese ishayela ukuzungezisa kwe-rotor, i-rotor amazinyo aphumayo kanye negebe lomoya phakathi kwekhanda kazibuthe shintsha ngokushintshana, inzwa ye-magnetic coil eshintshashintshayo inzwa ibonisa ukuthi kukhoyili yokuzwa ingaveza amandla e-electromotive ashintshayo. Ngenxa yokuthi i-rotor yesiginali inamazinyo angama-convex angama-24, ikhoyili yenzwa izokhiqiza amasiginali ashintshanayo angama-24 lapho i-rotor izungeza kanye. Ukuphenduka ngakunye kwe-sensor shaft (360). Lokhu kulingana nokuphenduka okubili kwe-crankshaft yenjini (720). , ngakho isignali eshintshanayo (okungukuthi isikhathi sesignali) ilingana nokuzungezisa kwe-crank 30. (720. Yamanje 24 = 30). , ilingana nokujikeleza kwekhanda lomlilo 15. (30. Present 2 = 15). . Uma i-ECU ithola amasiginali angu-24 avela kujeneretha wesignali ye-Ne, kungaziwa ukuthi i-crankshaft izungeza kabili futhi ikhanda lokuthungela lizungeza kanye. Uhlelo lwangaphakathi lwe-ECU lungakwazi ukubala futhi lunqume isivinini se-crankshaft yenjini kanye nesivinini sekhanda lokuthungela ngokwesikhathi somjikelezo wesignali ye-Ne ngayinye. Ukuze ulawule ngokunembile i-engeli ethuthukisiwe yokuthungela kanye ne-engeli engaphambili yokujova kukaphethiloli, i-engeli ye-crankshaft ethathwa umjikelezo wesignali ngamunye (30. Amakhona mancane. Kulula kakhulu ukufeza lo msebenzi nge-microcomputer, futhi isihlukanisi samafrikhwensi sizosayinda i-Ne ngayinye (i-crank Angle 30). Ihlukaniswe ngokulinganayo ibe isignali ye-pulselent engu-30, futhi i-pulselent ngayinye ilingana nesignali 1. (30. Yethula 30 = 1). Uma isignali ye-Ne ihlukaniswe ngokulinganayo kumasignali angu-60, isignali ye-pulse ngayinye ihambisana ne-Crankshaft Angle engu-0.5. we-piston top dead center (TDC) futhi uhlonze ukuthi iyiphi isilinda esizofinyelela isikhundla se-TDC nezinye izimpawu ze-reference. Ngakho-ke i-generator yesignali ye-G ibizwa nangokuthi ukuqashelwa kwe-cylinder kanye ne-generator yesignali ephezulu efile noma i-generator yesignali ye-reference iqukethe i-rotor ye-1 yesignali, i-sensing coil G1, i-G2 kanye ne-roft ye-roft amakhoyili G1 kanye G2 ahlukaniswe 180 degrees Ukukhweza, ikhoyili G1 ikhiqiza isignali elihambisana injini yesithupha cylinder compression top dead centre 10. Isignali ekhiqizwe G2 ikhoyili ihambisana lO ngaphambi kokucindezelwa TDC of the isilinda lokuqala injini. ijeneretha. Lapho i-camshaft yenjini ishayela i-sensor shaft ukuze ijikelezise, ​​i-flange ye-rotor yesiginali ye-G (i-rotor yesiginali yeNo. 1) idlula kukhanda kazibuthe ikhoyili ezwayo ngokushintshana, futhi igebe lomoya phakathi kwe-rotor flange nekhanda kazibuthe liyashintsha ngokushintshana, futhi isignali yamandla e-electromotive eshintshanayo izongeniswa kukhoyili yenzwa kanye ne-G2il. Uma ingxenye ye-flange ye-G signal rotor iseduze nenhloko kazibuthe yekhoyili yokuzwa i-G1, isignali ye-pulse eyakhayo ikhiqizwa kukhoyili yokuzwa i-G1, ebizwa ngokuthi isignali ye-G1, ngenxa yokuthi igebe lomoya phakathi kwe-flange nekhanda kazibuthe liyancipha, ukugeleza kazibuthe kuyanda kanye nezinga lokushintshwa kwe-magnetic flux lihle. Uma ingxenye ye-flange ye-G signal rotor iseduze nekhoyili yokuzwa engu-G2, igebe lomoya phakathi kwe-flange nekhanda kazibuthe liyancipha futhi ukugeleza kazibuthe kuyanda.