Ihe mmetụta ọnọdụ Camshaft bụ ngwaọrụ na-ahụ ihe, nke a na-akpọkwa ihe mmetụta mgbaàmà synchronous, ọ bụ ngwaọrụ ntinye ịkpa ókè cylinder, ntinye ọnọdụ camshaft na ECU, bụ akara njikwa ọkụ.
1, ọrụ na ụdị Camshaft Position Sensor (CPS), ọrụ ya bụ ịnakọta akara ngosi Camshaft na-akpụ akpụ, yana ntinye njikwa eletrọnịkị (ECU), iji chọpụta oge mgbanye na oge ịgbanye mmanụ. A na-akpọkwa ihe mmetụta ọnọdụ Camshaft (CPS) dị ka Cylinder Identification Sensor (CIS), iji mata ọdịiche dị na crankshaft Position Sensor (CPS), CIS na-anọchi anya sensọ ọnọdụ Camshaft. Ọrụ nke camshaft ọnọdụ ihe mmetụta bụ ịnakọta akara ọnọdụ nke gas nkesa camshaft ma tinye ya na ECU, nke mere na ECU nwere ike ịchọpụta mkpakọ n'elu nwụrụ anwụ center nke cylinder 1, ka o wee mepụta usoro nchịkwa mmanụ ọkụ, njikwa oge ọkụ na njikwa deignition. Na mgbakwunye, a na-ejikwa akara ngosi ọnọdụ camshaft iji chọpụta oge mgbanye mbụ n'oge ịmalite injin. N'ihi na camshaft ọnọdụ ihe mmetụta nwere ike ịmata nke cylinder piston na-achọ iru eru TDC, ọ na-akpọ cylinder recognition sensor.photoelectricStructural e ji mara nke Photoelectric crankshaft na camshaft ọnọdụ sensọ emepụtara site Nissan ụlọ ọrụ na-mma si nkesa, tumadi site mgbaàmà disk (sign rotor), mgbaàmà generator, ngwa ngwa, ihe mmetụta rotor mgbaaka bụ ihe mgbaàmà ụlọ na waya diski. na ogwe ihe mmetụta. N'ọnọdụ dị nso na nsọtụ nke efere mgbaàmà iji mee ka etiti etiti radian n'ime na n'èzí okirikiri abụọ nke oghere ọkụ. N'ime ha, a na-eme mgbanaka dị n'èzí na oghere oghere 360 (ọpụpụ), na radian etiti oge bụ 1. (Oghere transparent nke 0.5., oghere shading 0.5.) , na-emepụta ntụgharị crankshaft na mgbaàmà ọsọ ọsọ; Enwere oghere 6 doro anya (rectangular L) na mgbanaka dị n'ime, yana oge nke radian 60. , A na-eji emepụta TDC mgbaàmà nke ọ bụla cylinder, n'etiti nke e nwere a rectangle na a obosara onu ntakịrị ogologo oge maka ịmepụta TDC mgbaàmà nke cylinder 1. The mgbaàmà generator na-obere na sensọ ụlọ, nke a na-emi esịnede Ne signal (ọsọ na Angle mgbaàmà) generator, G mgbaàmà (n'elu nwụrụ anwụ center mgbaàmà) generator na mgbaama nhazi circuit. Ne signal na G mgbaàmà generator na-emitting a ìhè emitting diode (LED) na a photosensitive transistor (ma ọ bụ photosensitive diode), abụọ LED ozugbo chere ihu abụọ photosensitive transistors karị.The ọrụ ụkpụrụ nkeThe mgbaàmà diski n'ịnyịnya n'etiti a ìhè-emitting diode (LED) na a photosensitive transistor (ma ọ bụ photodiode). Mgbe oghere nnyefe ọkụ na diski mgbaama na-agbagharị n'etiti LED na transistor photosensitive, ìhè nke ọkụ ọkụ na-enye ọkụ ga-enwupụta transistor photosensitive, n'oge a, transistor photosensitive dị na, onye nchịkọta ya na-emepụta ọkwa dị ala (0.1 ~ O. 3V); Mgbe akụkụ shading nke diski mgbaama na-agbagharị n'etiti LED na transistor photosensitive, ọkụ na-egbukepụ site na LED enweghị ike ikpughe transistor photosensitive, n'oge a, transistor photosensitive ebipụ, onye nchịkọta ya mmepụta elu larịị (4.8 ~ 5.2V) .Ọ bụrụ na diski mgbaama na-aga n'ihu na-atụgharị, oghere nnyefe na akụkụ shading ga-agbanwe na-atụgharị foto na-atụgharị na-atụgharị na-atụgharị foto na-atụgharị na-atụgharị ma ọ bụ na-atụgharị foto na-eme ka ọkụ na-agbanwe agbanwe. Onye na-anakọta transistor ga-ewepụtakwa ọkwa dị elu na nke dị ala. Mgbe axis sensọ na crankshaft na camshaft na-agbagharị na, oghere mgbaàmà na efere na akụkụ shading n'etiti LED na transistor photosensitive na-atụgharị, akara ngosi ọkụ LED nke dị ize ndụ ka ìhè na mmetụta shading ga-agbanwe irradiation na onye na-emepụta ihe mgbaàmà nke transistor, a na-emepụta ihe mmetụta sensọ na ọnọdụ crankshaft kwekọrọ na camshaft. na-atụgharị ugboro abụọ, ogwe ihe mmetụta na-atụgharị mgbama ahụ otu ugboro, ya mere ihe mmetụta mgbaàmà G ga-emepụta pulses isii. Ne signal sensọ ga-emepụta akara pulse 360. N'ihi na etiti radian nke oghere na-ebufe ọkụ nke mgbaàmà G bụ 60. Na 120 kwa ntụgharị nke crankshaft. Ọ na-emepụta mgbama mkpali, yabụ, a na-akpọkarị mgbama G 120. Mgbama. Nkwenye nrụnye imewe 120. Signal 70 tupu TDC. (BTDC70., na mgbaàmà eme site transperent oghere na a ubé ogologo akụkụ anọ obosara kwekọrọ 70 tupu n'elu nwụrụ anwụ center nke engine cylinder 1. Ya mere na ECU nwere ike ịchịkwa injection tupu Angle na mgbanye tupu Angle. N'ihi na Ne mgbaàmà transmittance oghere etiti radian bụ 1. (Transparent oghere gua 0.5 ọ bụla . pulmoned .) 0.5 pulse . okirikiri, ọkwa dị elu na ọkwa dị ala maka 1 n'otu n'otu, akara ngosi 360 na-egosi ntụgharị crankshaft 720. Ntugharị ọ bụla nke crankshaft bụ 120 njupụta njupụta, dị ka e gosiri na Figure 1. Nke ikpeazụ na-eji ụkpụrụ nke magnetik induction n'ịwa ọnọdụ akara nke njupụta dịgasị iche iche na ọsọ site na ọtụtụ narị millivolts na narị volts, na njupụta dịgasị ukwuu. rotor, nke rotor salient eze, ikuku ọdịiche dị n'etiti rotor salient eze na stator magnetik isi, magnetik ndu efere na na-adịgide adịgide magnet S pole Mgbe mgbama rotor na-agbagharị, ikuku oghere na magnetik circuit ga-agbanwe oge, na magnetik nguzogide nke magnetik na magnetik flux site na mgbaama nke electromagnetic isi ga-agbanwe oge a ga-akpalite na eriri sensing. Mgbe rotor mgbaàmà na-atụgharị na elekere elekere, ọdịiche ikuku dị n'etiti ezé rotor convex na isi magnet na-ebelata, nkwụsị nke magnetik na-ebelata, mgbatị magnetik φ na-abawanye, mgbanwe mgbanwe mgbanwe na-abawanye (dφ / dt>0), na ike ime electromotive E dị mma (Etor> 0). magnetik flux φ na-abawanye nke ọma, mgbanwe mgbanwe mgbanwe bụ nke kasị ukwuu [D φ/dt=(dφ/dt) Max], na ike electromotive e mere ka ọ bụrụ nke kachasị elu (E = Emax) Mgbe rotor na-atụgharị gburugburu ọnọdụ nke B, ọ bụ ezie na magnetik flux φ ka na-abawanye, ma ọnụego nke mbelata nke ike magnetik na-ebelata. na-atụgharị na etiti ahịrị nke convex eze na etiti etiti nke isi magnetik, ọ bụ ezie na ọdịiche dị n'etiti ezé rotor convex na isi magnet bụ nke kacha nta, nkwụsị magnetik nke sekit magnetik bụ nke kasị nta, na magnetik flux φ bụ nke kasị ukwuu, ma n'ihi na magnetik flux enweghị ike ịnọgide na-abawanye, ọnụego nke mgbanwe nke , ike magnetik na-eme ka zero. na-aga n'ihu na-atụgharị n'akụkụ elekere elekere na ezé convex na-ahapụ isi magnetik, ọdịiche nke ikuku n'etiti ezé convex na isi magnet na-abawanye, nkwụsị nke magnetik na-abawanye, na magnetik flux na-ebelata (dφ/dt<0), ya mere ike electrodynamic na-eme ka E bụ ihe na-adịghị mma Mgbe ezé convex na-atụgharị n'isi nke magnet, na-ahapụ flux. ọnụego ruru ihe na-adịghị mma [D φ/df=-(dφ/dt) Max], na ike electromotive na-akpali E na-erukwa na-adịghị mma kacha (E = -emax) .Ya mere enwere ike ịhụ na mgbe ọ bụla rotor mgbaàmà na-atụgharị ezé convex, eriri ihe mmetụta ga-emepụta ike eletrik na-agbanwe oge oge, ya bụ, ihe mmetụta na-emepụta ihe na-emepụta ihe na-emepụta ihe na-emepụta ihe kacha nta ga-apụta. Ihe mgbaàmà pụtara ìhè nke magnetik induction sensọ bụ na ọ dịghị mkpa na-enye ike mpụga, magnet na-adịgide adịgide na-arụ ọrụ nke ịtụgharị ike n'ibu n'ime ike eletriki, na ike ndọta agaghị efunahụ mgbe ọsọ engine na-agbanwe, ntụgharị ntụgharị nke ezé convex nke rotor ga-agbanwe, na mgbanwe mgbanwe mgbanwe na isi ahụ ga-agbanwekwa ọsọ ọsọ na mgbanwe ikuku. ọdịiche dị n'etiti rotor convex ezé na magnetik isi ozugbo na-emetụta magnetik mgbochi nke magnetik circuit na mmepụta voltaji nke ihe mmetụta eriri igwe, ikuku ọdịiche dị n'etiti rotor convex ezé na magnetik isi enweghị ike ịgbanwe na uche na-eji Ọ bụrụ na ikuku ọdịiche mgbanwe, ọ ga-gbanwee dị ka ndokwa nke ikuku dị iche iche bụ n'ozuzu e mere n'ime nso nke 0.4 . crankshaft ọnọdụ sensọ1) Structure atụmatụ nke crankshaft ọnọdụ ihe mmetụta: The magnetik induction crankshaft ọnọdụ ihe mmetụta nke Jetta AT, GTX na Santana 2000GSi arụnyere na cylinder block nso ipigide na crankcase, nke bụ tumadi esịnede mgbaàmà generator na mgbaama rotor.The mgbaàmà generator bụ bolted na-adịgide adịgide na engine nke na-adịgide adịgide na-emekọ ihe na-eme ka engine na-arụ ọrụ na-adịgide adịgide. plọg. A na-akpọkwa eriri igwe na-ahụ ihe mgbama, na isi ndọta na-ejikọta na magnet na-adịgide adịgide. The magnetik isi bụ kpọmkwem n'ihu nha nha disk ụdị mgbaàmà rotor arụnyere na crankshaft, na magnetik isi jikọọ na magnetik yoke (magnetic ndu efere) na-etolite a magnetik ndu loop.The mgbaàmà rotor bụ nke toothed diski ụdị, na 58 convex ezé, 57 obere ezé na otu isi eze evenly spaced na gburugburu ya. Nnukwu nha nha na-efunahụ nrịbama ntinye aka, dabara na injin cylinder 1 ma ọ bụ cylinder 4 mkpakọ TDC tupu akụkụ ụfọdụ. Radians nke ezé ndị bụ isi bụ ndị nke ezé convex abụọ na obere ezé atọ. N'ihi na rotor mgbaàmà na-atụgharị na crankshaft, na crankshaft na-atụgharị otu ugboro (360). , rotor mgbaama na-atụgharịkwa otu ugboro (360). , Ya mere, crankshaft rotation Angle nwere convex ezé na nha nha nha na gburugburu nke rotor mgbaàmà bụ 360. , The crankshaft Angle gụrụ site na isi ntụpọ nha nha bụ 15. (2 x 3. + 3 x3. = 15). .2) ọnọdụ crankshaft ọnọdụ ihe mmetụta na-arụ ọrụ ọnọdụ: mgbe crankshaft ọnọdụ ihe mmetụta na crankshaft na-atụgharị, ụkpụrụ ọrụ nke ihe mmetụta magnetik induction, mgbama nke rotor nke ọ bụla tụgharịrị ezé convex, eriri igwe na-achọpụta ga-emepụta emf na-agbanwe oge (ike electromotive na a kacha na nke kacha), eriri igwe na-emepụta ihe mgbaàmà na-agbanwe agbanwe dabere na voltaji. N'ihi na a na-enye rotor mgbaama na nnukwu ezé iji mepụta akara ngosi, ya mere, mgbe nnukwu nha nha na-atụgharị isi magnetik, voltaji mgbaàmà na-ewe ogologo oge, ya bụ, mgbaàmà mmepụta bụ ihe mgbagwoju anya pulse, nke kwekọrọ na ụfọdụ akụkụ tupu cylinder 1 ma ọ bụ cylinder 4 mkpakọ TDC. Mgbe igwe njikwa eletrọnịkị (ECU) na-enweta akara ngosi pulse sara mbara, ọ nwere ike ịmara na ọnọdụ TDC kacha elu nke cylinder 1 ma ọ bụ 4 na-abịa. Banyere ọnọdụ TDC na-abịa nke cylinder 1 ma ọ bụ 4, ọ kwesịrị ikpebi dabere na ntinye mgbaàmà sitere na ihe mmetụta ọnọdụ camshaft. Ebe ọ bụ na rotor mgbaàmà nwere 58 convex ezé, eriri ihe mmetụta ga-emepụta 58 mgbanwe voltaji mgbaàmà maka mgbanwe ọ bụla nke rotor mgbaàmà (otu mgbanwe nke engine crankshaft) . Oge ọ bụla rotor mgbaàmà na-atụgharị n'akụkụ engine crankshaft, ihe mmetụta eriri na-eri nri 58 pulses n'ime electronic akara unit (ECU). Ya mere, maka akara 58 ọ bụla natara site na ihe mmetụta ọnọdụ crankshaft, ECU maara na crankshaft engine agbanweela otu ugboro. Ọ bụrụ na ECU na-enweta akara ngosi 116000 site na ihe mmetụta ọnọdụ crankshaft n'ime 1min, ECU nwere ike gbakọọ na ọsọ crankshaft n bụ 2000 (n=116000/58=2000) r/mmiri; Ọ bụrụ na ECU na-enweta akara ngosi 290,000 kwa nkeji site na ihe mmetụta ọnọdụ crankshaft, ECU na-agbakọ ọsọ crank nke 5000 (n= 29000/58 = 5000) r/min. N'ụzọ dị otú a, ECU nwere ike gbakọọ ọsọ nke crankshaft ntụgharị dabere na ọnụ ọgụgụ nke pulse akara natara kwa nkeji si crankshaft ọnọdụ sensọ. Engine ọsọ mgbama na ibu mgbaàmà ndị kasị mkpa na isi akara n'ókè nke electronic akara usoro, ECU nwere ike gbakọọ atọ isi akara parameters dị ka ndị a abụọ n'ókè: isi injection tupu Angle (oge), isi mgbanye tupu Angle (oge) na mgbanye conduction Angle (mnye eriri eriri isi ugbu a na oge) .Jetta AT na GTx, Santana 2000GSi ụgbọ ala magnetik induction ụdị crank akara mgbaàmà n'ịwa crank akara mgbaàmà ụdị ronk. njikwa oge ịgbanye mmanụ ọkụ na oge mgbanye na-adabere na mgbama sitere na mgbama. Mgbe ECu na-enweta akara ngosi nke nnukwu nha nha nha na-emepụta, ọ na-achịkwa oge mgbanye, oge ịgbanye mmanụ ọkụ na oge ntụgharị isi ugbu a nke eriri ọkụ ọkụ (ie conduction Angle) dị ka obere akara ntụpọ nha nha.3) Toyota ụgbọ ala TCCS magnetik induction crankshaft na camshaft ọnọdụ sensọToyota Computer Control System (1FCCS) na-eji craft position induction magnet. nke mejupụtara akụkụ elu na nke ala. A na-ekewa akụkụ nke elu n'ime akara ngosi crankshaft ọnọdụ nchọpụta (ya bụ njirimara cylinder na akara TDC, nke a maara dị ka mgbaàmà G) generator; A na-ekewa akụkụ nke ala ka ọ bụrụ crankshaft ọsọ na mgbama nkuku (a na-akpọ Ne signal) generator.1) Nhazi njirimara nke Ne signal generator: Ne signal generator arụnyere n'okpuru G signal generator, tumadi mejupụtara No. 2 signal rotor, Ne sensọ eriri igwe na magnetisi isi. A na-edozi rotor mgbaàmà na ogwe ihe mmetụta, ihe mmetụta ihe mmetụta na-ebugharị site na nkesa gas nkesa camshaft, njedebe elu nke ogwe ahụ nwere isi ọkụ, rotor nwere 24 convex ezé. A na-edozi eriri ihe na-ahụ anya na isi magnetik na ụlọ ihe mmetụta, na isi magnetik na-edozi n'ime eriri mmetụta .2) ọsọ na usoro akara ngosi nke Angle na usoro nchịkwa: mgbe engine crankshaft, valve camshaft sensọ, mgbe ahụ, na-ebugharị rotor rotor, rotor protruding ezé na ikuku ikuku n'etiti magnetik isi mgbanwe ọzọ, na-echegharị ụkpụrụ nke magnetik mgbanwe mgbanwe magnetik. ihe mmetụta induction na-egosi na n'ime eriri igwe na-ahụ ihe nwere ike imepụta ike electromotive ọzọ. N'ihi na rotor mgbaàmà nwere ezé convex 24, eriri ihe mmetụta ga-emepụta akara 24 ọzọ mgbe rotor na-atụgharị otu ugboro. Mgbanwe ọ bụla nke ogwe ihe mmetụta (360). Nke a bụ ihe nhata na mgbanwe abụọ nke crankshaft engine (720). , ya mere mgbaama ọzọ (ya bụ oge mgbaama) dabara na ntụgharị crank nke 30. (720. Ugbu a 24 = 30). , kwekọrọ na ntụgharị nke isi ọkụ 15. (30. Ugbu a 2 = 15). . Mgbe ECU na-enweta akara 24 site na onye na-emepụta ihe mgbaàmà Ne, enwere ike ịmara na crankshaft na-atụgharị ugboro abụọ na isi mgbanye na-atụgharị otu ugboro. Mmemme ime ECU nwere ike gbakọọ ma chọpụta ọsọ crankshaft injin yana ịgbanye ọsọ isi dịka oge okirikiri mgbama Ne ọ bụla. Iji n'ụzọ ziri ezi ịchịkwa mgbanye tupu Angle na mmanụ ụgbọala injection tupu Angle, crankshaft Angle nwere site ọ bụla mgbaama okirikiri (30. The nkuku bụ nta. Ọ bụ nnọọ adaba iji mezuo nke a ọrụ site microcomputer, na ugboro nkesa ga-egosi onye ọ bụla Ne (crank Angle 30). Ọ na-dokwara kewara 30 usu signals na ọ bụ equi 1. (30. Ugbu a 30 = 1). (TDC) ma chọpụta nke cylinder bụ ihe na-erute ọnọdụ TDC na akara ngosi ndị ọzọ G nke a na-akpọkwa onye na-emepụta ihe na-emepụta ihe na-emepụta ihe na-emepụta ihe na-emepụta ihe na-emepụta ihe na-emepụta ihe na-emepụta ihe na-emepụta ihe na-emepụta ihe na-emepụta ihe na-emepụta ihe na-emepụta ihe na-emepụta ihe na-emepụta ihe na-emepụta ihe na-emepụta ihe na-emepụta ihe na-emepụta ihe na-emepụta ihe na-emepụta ihe na-emepụta ihe na-emepụta ihe na-emepụta ihe na-emepụta ihe na-emepụta ihe na-emepụta ihe na-emepụta ihe na-emepụta ihe na-emepụta ihe na-emepụta ihe na-eme ka ọ bụrụ ihe na-eme ka ọ bụrụ ihe na-eme ka ọ bụrụ ihe na-eme ka ọ bụrụ ihe na-eme ka ọ bụrụ ihe na-eme ka ọ bụrụ ihe na-esi ísì ụtọ nke na-eme ka ọ bụrụ ihe na-eme ka ọ dị mma eriri igwe na-emepụta ihe mgbaàmà kwekọrọ na engine nke isii cylinder mkpakọ n'elu nwụrụ anwụ center 10. Ihe mgbaàmà eme site G2 eriri igwe kwekọrọ na lO tupu mkpakọ TDC nke mbụ cylinder nke engine.4) Cylinder njirimara na top nwụrụ anwụ center mgbaàmà ọgbọ ụkpụrụ na njikwa usoro: ụkpụrụ na-arụ ọrụ nke G mgbaàmà generator bụ otu ihe ahụ nke Ne signal generator. Mgbe engine camshaft na-ebugharị ihe mmetụta sensọ ka ọ gbanwee, flange nke G signal rotor (No. 1 signal rotor) na-agafe n'isi magnetik nke eriri sensing ọzọ, na ọdịiche ikuku n'etiti rotor flange na isi magnetik na-agbanwe ọzọ, na ntụgharị electromotive ike mgbaama ga-eme ka Gl na-atụgharị na Gl. Mgbe akụkụ flange nke G signal rotor dị nso na isi magnetik nke sensing coil G1, a na-eme ka mgbama pulse dị mma na-ahụta eriri igwe G1, nke a na-akpọ akara G1, n'ihi na oghere ikuku n'etiti flange na isi magnetik na-ebelata, mgbatị magnet na-abawanye na mgbanwe mgbanwe magnetik dị mma. Mgbe akụkụ flange nke rotor mgbama G dị nso na igwe na-ahụta G2, oghere ikuku dị n'etiti flange na isi ndọta na-ebelata ma ndọta na-abawanye.
