SAIC MAXUS V80 Puru whakamahana Waitohu Taketake – Motu e rima 0281002667

Ko te pūoko tuunga Camshaft he taputapu tairongo, e kiia ana hoki ko te pūoko tohu tukutahi, he taputapu tuunga whakahāwea rango, he tohu tuunga camshaft whakauru ki te ECU, ko te tohu mana mura.

1, mahi me te momo Camshaft Position Sensor (CPS), ko tana mahi ko te kohikohi i te tohu Koki nekeneke Camshaft, me te whakauru i te waeine mana hiko (ECU), kia taea ai te whakatau i te wa mura me te wa wero wahie.Kei te mohiotia ano te Puoko Turanga Camshaft (CPS) ko te Cylinder Identification Sensor (CIS), kia mohio ai koe mai i te Crankshaft Position Sensor (CPS), ko te CIS te tohu o nga tohu tuunga Camshaft.Ko te mahi a te pukoro tuunga camshaft ko te kohikohi i te tohu tuunga o te camshaft tohatoha hau me te whakauru ki te ECU, kia taea ai e te ECU te tautuhi i te pokapū mate o runga o te rango 1, kia rite ki te kawe i te mana wero wahie, te whakahaere i te wa mura me te mana whakaheke.Hei taapiri, ka whakamahia ano te tohu tuunga camshaft ki te tautuhi i te waa whakakorikori tuatahi i te wa e tiimata ana te miihini.Na te mea ka taea e te pukoro tuunga camshaft te tautuhi ko wai te piston cylinder e tata ana ki te tae ki te TDC, ka kiia ko te sensor ahukahuka cylinder.photoelectricStructural features ofPhotoelectric crankshaft me te camshaft position sensor i hangaia e te kamupene Nissan kua pai ake mai i te tohatoha, te nuinga e te kōpae tohu (tohu rotor). ), te whakaputa tohu, nga taputapu tohatoha, te whare pukoro me te hono waea.I roto i te tūnga tata ki te tapa o te pereti tohu ki te hanga i te irirangi wā ōrite roto me waho e rua porowhita o rua marama.I roto ia ratou, ka hangaia te mowhiti o waho ki te 360 ​​nga kohao maramara (nga waahi), a ko te radian waahi ko te 1. (Ko te kohao maamaa e kiia ana mo te 0.5., ko te kohao whakamarumaru e kiia ana mo te 0.5.), ka whakamahia hei whakaputa i te hurihanga crankshaft me te tohu tere;E 6 nga kohao marama (tapawha L) i roto i te mowhiti o roto, me te 60 nga irirangi., Ka whakamahia ki te whakaputa tohu TDC o ia rango, i roto i nei he tapawhā me te mata whanui paku roa mo te whakaputa tohu TDC o rango 1. Ko te kaihanga tohu kua whakaritea i runga i te whare pūoko, e tito o Ne tohu (tere me Tohu koki) generator, tohu G (te tohu pokapū mate runga) generator me te iahiko tukatuka tohu.Ko te tohu Ne me te kaihanga tohu G he mea tito he ngohe marama (LED) me te transistor photosensitive (ranei photosensitive diode), e rua nga LED e anga tika ana ki nga transistors whakaahua e rua. (LED) me te transistor whakaahua (whakaahua whakaahua ranei).Ka huri te kohao whakawhiti marama i runga i te kōpae tohu i waenga i te LED me te transistor photosensitive, ko te rama e tukuna ana e te LED ka whakamarama i te transistor photosensitive, i tenei wa kei runga te transistor whakaahua, he iti te putanga o te kaikohi (0.1 ~ O. 3V);Ka huri te wahi whakamarumaru o te kōpae tohu i waenga i te LED me te transistor photosensitive, ka kore e taea e te rama e tukuna ana e TE LED te whakamarama i te transistor photosensitive, i tenei wa ka tapahia te transistor photosensitive, ko tana kohinga teitei te whakaputa (4.8 ~ 5.2V). Mena kei te huri haere tonu te kopae tohu, ka huri te kohao whakawhiti me te waahanga whakamarumaru ki te huri i te LED ki te whakawhiti, ki te whakamarumaru ranei, a ko te kaikohi transistor photosensitive ka whakaputa i nga taumata teitei me te iti.Ka huri te tuaka pūoko me te crankshaft me te camshaft, ka tohu te kohao marama ki runga i te pereti me te wahi whakamarumaru i waenga i te LED me te transistor photosensitive ka huri, ka huri te pereti tohu maramara o te marama me te whakamarumaru o te whakamarumaru ki te whakaputa tohu o te photosensitive. transistor, ka puta te tohu tohu me te tuunga crankshaft me te camshaft e rite ana ki te tohu pupuhi.I te mea ka rua te hurihanga o te crankshaft, ka huri kotahi te waahi o te pukoro, no reira ka puta te tohu tohu G e ono nga pupuhi.Ka whakaputahia e te pūoko tohu Ne 360 ​​nga tohu pupuhi.No te mea ko te waahi radiant o te kohao tuku marama o te tohu G he 60. Me te 120 mo ia hurihanga o te crankshaft.Ka puta he tohu akiaki, no reira ko te tohu G e kiia ana ko te 120. Ko te tohu.Taurangi whakauru hoahoa 120. Tohu 70 i mua i te TDC.(BTDC70. , me te tohu i hangaia e te kohao maramara me te whanui tapawhā paku roa e rite ana ki te 70 i mua i te pokapu mate o runga o te miihini miihini 1. Kia taea ai e ECU te whakahaere i te koki werohanga whakamua Koki me te koki whakakorikori. Ko te 1. Irirangi waahi ko te 1. (Ko te kohao marama mo te 0.5., ko te kohao whakamarumaru he 0.5.), na i roto i ia huringa pini, ko te taumata teitei me te taumata iti mo te 1. Ko te hurihanga crankshaft, 360 tohu tohu te hurihanga crankshaft 720. Ko te hurihanga o te crankshaft he 120. , Ko te tohu tohu G e whakaputa ana i te tohu kotahi, ko te tohu tohu Ne e whakaputa ana i nga tohu 60. Momo whakaurunga aukume Ka taea te wehewehe i te ahua o te Hall me te momo magnetoelectric. Ko te mea o mua ka whakamahi i te paanga o te whare ki te whakaputa tohu tuunga me te kaha kaha. , e whakaatuhia ana i te Whakaahua 1. Ka whakamahia e te hunga o muri te maapono o te urunga autō ki te whakaputa tohu tuunga he rereke te kaha o te kaha kaha ki te auau.Ko nga korero e whai ake nei he whakamaaramatanga mo te kaupapa mahi o te pukoro:Ko te kaupapa mahi o te ara e haere ai te raina kaha autō ko te mokowhiti hau i waenga i te poupou N aukume tuturu me te rotor, te rotor salient niho, te hau i waenganui i te te rotor salient niho me te stator autō pane, te pane autō, te pereti aratohu autō me te pou aukume S pūmau.Ka huri te rotor tohu, ka huri te aputa hau i roto i te ara iahiko autō i ia wā, ā, ka huri i ia wā te ātete autō o te iahiko autō me te rere autō i roto i te upoko pōkai tohu.E ai ki te maataapono o te whakaurunga hiko, ka whakaawehia te kaha hiko hikoi i roto i te putunga sensing. Ina huri te rotor tohu i te karaka, ka heke te hau i waenga i nga niho o te rotor convex me te mahunga autō, ka heke te koretake o te ara iahiko, te rere o te hiko φ ka piki ake, ka piki te tere o te huringa rerenga (dφ/dt>0), me te toi hiko hiko E he pai (E>0).Ina tata nga niho porowhita o te rotor ki te tapa o te mahunga aukume, ka tino piki ake te rere o te φ, ko te tere hurihanga ko te nui rawa atu [D φ/dt=(dφ/dt) Max], me te kaha hiko hiko E ko te teitei (E=Emax).I muri i te hurihanga o te rotor huri noa i te waahi o te tohu B, ahakoa kei te piki tonu te rere o te aukume φ, engari ka heke te tere o te huringa o te rerenga autō, no reira ka heke te kaha hiko hiko E. Ina huri te rotor ki te raina waenganui o te niho convex. me te raina pokapū o te upoko autō, ahakoa ko te āputa hau i waenga i te niho porowhita rotor me te upoko autō ko te mea iti rawa, ko te ātete autō o te iahiko autō te iti rawa, ko te rewharewha autō φ te nui rawa, engari na te mea ko te autō. e kore e taea te piki haere tonu te rere o te rere, he kore te tere o te huringa o te rewharewha autō, no reira he kore te kaha hiko hiko E. Ka huri haere tonu te rotor i te taha o te karaka ka mahue mai te niho pooti i te mahunga autō, ka wehe te hau i waenganui i te te niho convex me te mahunga autō ka piki ake, ka nui haere te ara iahiko autō, ka heke te rere o te autō (dφ/dt< 0), no reira he tōraro te tōpana hiko hiko E.Ka huri te niho convex ki te tapa o te wehe i te upoko autō, ka tino heke te rewharewha φ, ka tae te tere huringa rere ki te morahi tōraro [D φ/df=-(dφ/dt) Max], me te kaha hiko hiko E. ka tae hoki ki te morahi toraro (E= -emax).Na reira ka kitea i nga wa katoa ka huri te rotor tohu ki te niho porowhita, ka puta mai e te coil sensor he topana hiko tauwhitiwhiti, ara, ko te kaha hikohiko ka puta he morahi me te uara iti rawa, ka whakaputahia e te coil sensor he tohu ngaohiko tauutuutu e rite ana.Ko te painga nui o te pukoro induction aukume ko te kore e hiahiatia he hiko o waho, ko te aukume tuturu te mahi ki te huri i te hiko miihini ki te hiko hiko, a ka kore e ngaro tona kaha aukume.Ka huri te tere o te miihini, ka huri te tere hurihuri o nga niho porowhita o te rotor, ka huri ano hoki te tere o te huringa rere i roto i te matua.Ko te teitei ake o te tere, ka nui ake te huringa o te rere, ka nui ake te kaha o te hiko hiko i roto i te pukoro pukoro.Na te mea ko te hau i waenga i nga niho porowhita rotor me te upoko autō ka pa tika ki te aukati autō o te iahiko autō me te ngaohiko whakaputa o te porowhita pūoko, te āputa hau i waenga i nga niho porowhita rotor me te upoko autō e kore e taea te whakarereke i te hiahia e whakamahia ana.Mena ka rereke te waahi o te hau, me whakatika kia rite ki nga whakaritenga.I te nuinga o te wa ka hangaia te aputa hau i roto i te awhe o te 0.2 ~ 0.4mm.2) Jetta, Santana car aumetic induction crankshaft position sensor1) Nga ahuatanga o te hangahanga o te tuunga tuunga crankshaft: Kua whakauruhia te tuunga tuunga crankshaft autō o Jetta AT, GTX me Santana 2000GSi. i runga i te poraka porotakaroa e tata ana ki te mamau i roto i te pouaka crankcase, ko te nuinga o te mea ko te kaihanga tohu me te rotor tohu. Ka tutakina te kaihanga tohu ki te paraka miihini me nga aukume pumau, nga kowiri tairongo, me nga hononga waea.Ka kiia hoki te porowhita tohu ko te porowhita tohu, a ka piri te pane autō ki te aukume tuturu.Ko te upoko aukume kei te anga tika ki te rotor tohu momo kōpae niho kua whakauruhia ki runga i te crankshaft, ka hono te upoko autō ki te ioka aukume (pereti arataki aukume) ki te hanga i tetahi porotiti arataki autō.Ko te rotor tohu he momo kōpae niho, me te 58 nga niho kopikopiko, e 57 nga niho iti me tetahi niho nui e riterite ana te mokowhiti ki tona porowhita.Ko te niho nui kei te ngaro te tohu tohutoro whakaputa, e rite ana ki te puoto miihini 1, ki te puoto 4 ranei te kopeketanga TDC i mua i tetahi Koki.Ko nga raana o nga niho matua he rite ki era o nga niho e rua me nga niho iti e toru.Na te mea ka huri te rotor tohu me te crankshaft, ka huri kotahi te crankshaft(360)., ka huri kotahi ano te rotor tohu (360)., no reira ko te hurihanga crankshaft Ko te koki e nohoia ana e nga niho convex me nga koha o nga niho i runga i te porowhita o te rotor tohu he 360. , ko te hurihanga crankshaft Ko te koki o ia niho convex me te niho iti he 3. (58 x 3. 57 x + 3. = 345 )., ko te koki crankshaft e kiia ana e te koha niho nui ko te 15. (2 x 3. + 3 x3. = 15)..2) te ahua mahi o te tuunga crankshaft: i te wa e huri ana te tohu tuunga crankshaft me te crankshaft, ko te kaupapa mahi o te pukoro induction autō, ko te tohu o te rotor ka huri i te niho convex. i roto i te mōrahi me te iti rawa), ka whakaputahia he tohu ngaohiko tauutuutu.Na te mea ka whakawhiwhia te rotor tohu ki te niho nui hei whakaputa i te tohu tohutoro, no reira ka huri te niho nui ki te upoko aukume, ka roa te wa o te ngaohiko tohu, ara, ko te tohu whakaputa he tohu pupuhi whanui, e rite ana ki tetahi Koki i mua i te rango 1, i te rango 4 ranei te compression TDC.Ka whiwhi te waeine mana hiko (ECU) he tohu pupuhi whanui, ka mohio kei te haere mai te turanga TDC o runga o te cylinder 1, 4 ranei.Mo te tuunga TDC e haere mai ana o te rango 1, 4 ranei, me whakatau kia rite ki te whakauru tohu mai i te tuunga tuunga camshaft.I te mea he 58 nga niho convex o te rotor tohu, ka whakaputahia e te coil sensor nga tohu ngaohiko 58 mo ia hurihanga o te rotor tohu (kotahi te hurihanga o te crankshaft engine). pupuhi ki te wae mana hiko (ECU).No reira, mo ia 58 tohu ka riro mai i te pukoro tuunga crankshaft, e mohio ana te ECU kua kotahi te hurihanga o te crankshaft miihini.Mena ka whiwhi te ECU i nga tohu 116000 mai i te pukoro tuunga crankshaft i roto i te 1min, ka taea e te ECU te tatau ko te tere crankshaft n ko 2000(n=116000/58=2000)r/ua;Mena ka whiwhi te ECU i nga tohu 290,000 ia meneti mai i te pukoro tuunga crankshaft, ka tatauhia e te ECU te tere crank o 5000(n= 29000/58 =5000)r/min.I tenei ara, ka taea e te ECU te tatau i te tere o te hurihanga crankshaft i runga i te maha o nga tohu pupuhi ka riro mai i ia meneti mai i te tohu tuunga crankshaft.Ko te tohu tere o te miihini me te tohu kawenga ko nga tohu mana nui me te taketake o te punaha whakahaere hiko, ka taea e ECU te tatau i nga tawhā mana taketake e toru kia rite ki enei tohu e rua: koki werohanga taketake Koki (wa), koki whakakorikori taketake Koki (wa) me te kawe mura. Koki (koi whakakorikori tuatahi o naianei i runga i te wa).Jetta AT me GTx, Santana 2000GSi waka autō momo arataki crankshaft tūnga pūoko rotor tohu i hangaia e te tohu rite te tohu tohutoro, ECU mana o te wa wero wahie me te wa mura kei runga i te tohu i hangaia na te tohu.Ina whiwhi te ECu i te tohu i puta mai i te koha niho nui, ka whakahaeretia e ia te wa mura, te wa wero wahie me te wa whakawhiti tuatahi o naianei o te coil whakakorikori (arā, ko te koki kawe) kia rite ki te tohu koha niho iti.3) Toyota waka Ko te TCCS autō induction crankshaft me te camshaft position sensorToyota Computer Control System (1FCCS) e whakamahi ana i te crankshaft induction autō me te pukoro tuunga camshaft i whakarerekehia mai i te kaitahuri, kei roto nga waahanga o runga me raro.Ko te waahanga o runga ka wehea ki te tohu tohu tohu tohu tohu crankshaft (ara te tohu rango me te tohu TDC, e mohiotia ana ko te tohu G) kaihanga;Ko te waahanga o raro ka wehea ki te tere crankshaft me te tohu kokonga (e kiia ana ko te tohu Ne) generator.1) Ko nga ahuatanga o te hanganga o te kaihanga tohu Ne: Kei te whakauruhia te generator tohu Ne i raro i te kaihanga tohu G, ko te nuinga ko te rotor tohu Nama 2, Ne sensor coil me upoko autō.Ko te rotor tohu ka mau ki runga i te pukoro o te puoro, ka peia te pukoro e te camshaft tohatoha hau, ko te pito o runga o te rakau he mea ki te upoko ahi, ko te rotor he 24 nga niho convex.Kua whakaritea te porowhita me te upoko autō i roto i te whare pūoko, a kua whakaritea te upoko autō i roto i te coil sensing.2) tere me te Koki tohu tohu tohu tikanga me te whakahaere whakahaere: i te wa e tohu ana te crankshaft engine, valve camshaft sensor, ka peia te rotor hurihanga, te rotor protruding niho me te hau āputa i waenganui i te mahunga autō ka huri, ka huri i te porowhita i roto i te rerenga autō ka huri, katahi ka whakaatu te kaupapa mahi o te pukoro induction autō i roto i te coil sensing ka taea te whakaputa i te kaha hiko inductive.Na te mea he 24 nga niho convex o te rotor tohu, ka puta mai e te coil sensor nga tohu 24 ina huri kotahi te rotor.Ia hurihanga o te kaa pukoro (360).He rite tenei ki nga huringa e rua o te crankshaft miihini (720)., no reira he tohu tauutuutu (ara he wa tohu) he rite ki te hurihanga crank o te 30. (720. Whakaatuhia te 24 = 30)., he rite ki te hurihanga o te upoko ahi 15. (30. Present 2 = 15)..I te wa e whiwhi ana a ECU i nga tohu 24 mai i te kaihanga tohu Ne, ka mohiohia ka rua nga hurihanga o te crankshaft, ka huri kotahi te mahunga mura.Ka taea e te kaupapa a-roto ECU te tatau me te whakatau i te tere o te crankshaft miihini me te tere o te mahunga i runga i te waa o ia huringa tohu Ne.Kia tika ai te whakahaere i te anga whakamua Koki me te wahie werohanga whakamua Koki, ko te Koki crankshaft e nohoia ana e ia huringa tohu (30. He iti ake nga kokonga. He mea tino watea ki te whakatutuki i tenei mahi ma te rorohiko miihini, ka tohu te kaiwehewehe auau ia Ne. (Crank Angle 30). Ka wehewehea kia 30 nga tohu pupuhi, a ko ia tohu tohu he rite ki te koki crank 1. (30. Whakaatuhia te 30 = 1). Ko te tohu patere e rite ana ki te Koki crankshaft o 0.5. (30. ÷ 60= 0.5. . Ko te tautuhinga motuhake e whakatauhia ana e nga whakaritenga tika o te Koki me te hoahoa hotaka.3) Nga ahuatanga o te hanga tohu tohu G: Ka whakamahia te kaihanga tohu G ki te kite i te te tuunga o te piston top dead centre (TDC) me te tautuhi ko tehea rango e tata ana ki te eke ki te tuunga TDC me etahi atu tohu tohutoro. Na reira ka kiia ko te kaihanga tohu G te tohu ahukahuka me te kaihanga tohu tohu tohu tohutoro ranei.Ko te kaihanga tohu G he rotor tohu Nama 1, he porowhita tohu G1, G2 me te upoko aukume, me etahi atu. E rua nga taha o te rotor tohu, kua mau ki runga i te rakau puoro.Ka wehea nga porowhita sensor G1 me G2 e 180 nga nekehanga.Ka eke, ka puta mai he tohu e pa ana ki te miihini tuaono o te pukoro rango compression runga pokapu mate 10. Ko te tohu i hangaia e te porowhita G2 e rite ana ki te lO i mua i te TDC kōpeketanga o te rango tuatahi o te miihini.4) Te tautuhi puoto me te tohu o te pokapū mate o runga. te tikanga whakatipu me te tukanga whakahaere: he rite tonu te kaupapa mahi a te kaihanga tohu G ki tera o te kaihanga tohu Ne.Ka peia e te camshaft miihini te kaa pukoro ki te huri, ka haere te flange o te rotor tohu G (No. 1 tohu rotor) i roto i te upoko autō o te porowhita tohu, ka huri te hau i waenga i te flange rotor me te upoko autō. , a ko te tohu hiko hiko hikoi ka whakaawehia i roto i te porowhita tohu Gl me G2.I te wa e tata ana te wahanga flange o te rotor tohu G ki te upoko aukume o te kowiri rongo G1, ka puta he tohu pupuhi pai i roto i te porowhita G1, e kiia nei ko te tohu G1, na te mea ka heke te aputa hau i waenga i te flange me te upoko autō, ka piki ake te rewharewha autō, ka pai te reiti o te hurihanga autō.I te wa e tata ana te wahanga flange o te rotor tohu G ki te porowhita tohu G2, ka heke te aputa hau i waenga i te flange me te mahunga autō, ka piki ake te rere autō.