Mono whakamahana waitohu taketake SAIC MAXUS V80 – National five 0281002667

Ko te pūoko tūnga camshaft he taputapu pūoko, e kiia ana hoki he pūoko tohu tukutahi, he taputapu wehewehe tūnga rango, e whakauru ana i te tohu tūnga camshaft ki te ECU, ko te tohu whakahaere mura.

1, te mahi me te momo Pūoko Tūnga Camshaft (CPS), ko tana mahi he kohikohi i te tohu koki neke Camshaft, me te whakauru i te waeine whakahaere hiko (ECU), hei whakatau i te wā mura me te wā werohanga wahie. Ko te Pūoko Tūnga Camshaft (CPS) e mōhiotia ana ko te Pūoko Tautuhi Cylinder (CIS), hei wehewehe i te Pūoko Tūnga crankshaft (CPS), ko ngā pūoko tūnga Camshaft e tohuhia ana e te CIS. Ko te mahi a te pūoko tūnga camshaft he kohikohi i te tohu tūnga 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 taea ai te whakahaere i te werohanga wahie raupapa, te whakahaere i te wā mura me te whakahaere whakakore mura. Hei tāpiri, ka whakamahia hoki te tohu tūnga camshaft hei tautuhi i te wā mura tuatahi i te wā e tīmata ana te miihini. Nā te mea ka taea e te pūoko tūranga camshaft te tautuhi ko tēhea piston rango e tata ana ki te tae ki te TDC, ka kiia ko te pūoko mōhio rango. Ko ngā āhuatanga hanganga photoelectric o te pūoko crankshaft photoelectric me te pūoko tūranga camshaft i hangaia e te kamupene Nissan kua whakapai ake i te tohatoha, ko te nuinga o te kōpae tohu (rotor tohu), te kaihanga tohu, ngā taputapu tohatoha, te whare pūoko me te mono waea. Ko te kōpae tohu ko te rotor tohu o te pūoko, e pēhia ana ki te rakau pūoko. I te tūranga tata ki te taha o te pereti tohu kia hangaia he radian āputa ōrite i roto me waho e rua ngā porowhita o ngā kōhao mārama. I roto i a rātou, ko te mowhiti o waho he 360 ​​ngā kōhao mārama (ngā āputa), ā, ko te radian āputa he 1. (Ko te kōhao mārama he 0.5., ko te kōhao atarangi he 0.5.), e whakamahia ana hei whakaputa i te hurihanga o te crankshaft me te tohu tere; E 6 ngā kōhao mārama (tapawhā L) i roto i te mowhiti o roto, me te āputa o te 60 radian. , e whakamahia ana hei whakaputa tohu TDC o ia rango, kei roto i ēnei he tapawhā rite me te taha whānui he roa ake hei whakaputa tohu TDC o te rango 1. Kei runga i te whare pūoko te kaihanga tohu, he mea tito mai i te kaihanga tohu Ne (tohu tere me te tohu koki), te kaihanga tohu G (tohu pokapū mate o runga) me te ara iahiko tukatuka tohu. Ko te tohu Ne me te kaihanga tohu G he mea tito mai i te rama rama (LED) me te transistor whakaahua-tairongo (te diode whakaahua-tairongo rānei), e rua ngā rama rama e anga tika ana ki ngā transistor whakaahua-tairongo e rua. Ko te kaupapa mahi o te Kei waenganui i te diode whakaahua-tairongo (LED) me te transistor whakaahua-tairongo (te diode whakaahua-tairongo rānei) te kōpae tohu. Ina huri te kōhao tuku rama i runga i te kōpae tohu i waenganui i te rama rama me te transistor whakaahua-tairongo, ka whakamārama te rama e tukuna ana e te rama rama i te transistor whakaahua-tairongo, i tēnei wā kei te kā te transistor whakaahua-tairongo, he iti te taumata o tana putanga kaikohi (0.1 ~ O. 3V); Ina huri te wāhanga whakamarumaru o te kōpae tohu i waenganui i te LED me te transistor whakaahua-aro, kāore e taea e te mārama e tukuna ana e TE LED te whakamārama i te transistor whakaahua-aro. I tēnei wā ka motu te transistor whakaahua-aro, ka puta te putanga o tana kaikohi ki te taumata teitei (4.8 ~ 5.2V). Mena ka huri tonu te kōpae tohu, ka huri te kōhao tuku me te wāhanga whakamarumaru i te LED ki te tuku, ki te atarangi rānei, ā, ka whakaputa te kaikohi transistor whakaahua-aro ki ngā taumata teitei me te iti. Ina huri te tuaka pūoko me te toki porowhita me te toki kame, ka huri te kōhao rama tohu i runga i te pereti me te wāhanga whakamarumaru i waenganui i te LED me te transistor whakaahua-aro, ka huri te pereti tohu rama LED o te māramatanga me te pānga atarangi ki te kaihanga tohu o te transistor whakaahua-aro, ka puta te tohu pūoko, ā, ka rite te tūranga o te toki porowhita me te toki kame ki te tohu pā. Nā te mea e rua ngā hurihanga o te toki porowhita, ka huri te toki pūoko i te tohu kotahi, nō reira ka whakaputa te pūoko tohu G i ngā pā e ono. Ka whakaputa te pūoko tohu NE i ngā tohu pā 360. Nā te mea ko te āputa radian o te kōhao tuku mārama o te tohu G he 60. Ā, 120 mō ia hurihanga o te porowhita. Ka puta he tohu iri, nō reira ka kiia te tohu G ko 120. Ko te tohu. Taurangi tāutanga hoahoa 120. Tohu 70 i mua i te TDC. (BTDC70. , ā, ko te tohu i hangaia e te kōhao mārama me te whānui tapawhā roa ake e rite ana ki te 70 i mua i te pokapū mate o runga o te rango miihini 1. Kia taea ai e te ECU te whakahaere i te koki whakamua werohanga me te koki whakamua mura. Nā te mea ko te radian te wā whakawhiti tohu Ne. (Ko te kōhao mārama te 0.5. , ko te kōhao atarangi te 0.5.) , nō reira i roto i ia huringa pā, ko te taumata teitei me te taumata iti te 1. Ko te hurihanga o te crankshaft, ko ngā tohu 360 e tohu ana i te hurihanga o te crankshaft 720. Ko ia hurihanga o te crankshaft he 120. , ka whakaputahia e te pūoko tohu G tetahi tohu, ka whakaputahia e te pūoko tohu Ne 60 tohu. Momo whakapūtanga aukume Ka taea te wehewehe i te pūoko tūranga whakapūtanga aukume ki te momo Hall me te momo magnetoelectric. Ka whakamahia e te tuatahi te pānga hall ki te whakaputa tohu tūranga me te kaha pumau, e whakaatuhia ana i te Pikitia 1. Ka whakamahia e te whakamutunga te kaupapa o te whakapūtanga aukume ki te whakaputa tohu tūranga e rerekē ana te kaha me te auau. Ka rerekē tōna kaha me te tere mai i ngā rau millivolts ki ngā rau volts, ā, ka rerekē te kaha. nui. Koinei te whakataki taipitopito ki te kaupapa mahi o te pūoko: Ko te kaupapa mahi o Ko te ara e haere ana te aho kaha aukume ko te āputa hau i waenga i te pou aukume tuturu N me te rotor, te niho hihira o te rotor, te āputa hau i waenga i te niho hihira o te rotor me te pane aukume stator, te pane aukume, te pereti arataki aukume me te pou aukume tuturu S. Ina huri te rotor tohu, ka huri te āputa hau i roto i te ara iahiko aukume i ia wā, ā, ka huri te ātete aukume o te ara iahiko aukume me te rerenga aukume i roto i te pane koiri tohu i ia wā. E ai ki te kaupapa o te whakapūtanga hikohiko, ka whakaohohia te kaha hiko tauutuutu i roto i te koiri pūoko. Ina huri te rotor tohu ki te taha matau, ka heke te āputa hau i waenga i ngā niho pūkohu o te rotor me te pane aukume, ka heke te ātete o te ara iahiko aukume, ka piki te rerenga aukume φ, ka piki te tere huringa rerenga (dφ/dt>0), ā, he pai te kaha hiko whakaoho E (E>0). Ina tata ngā niho pūkohu o te rotor ki te taha o te pane aukume, ka piki tere te rerenga aukume φ, ko te tere huringa rerenga te mea nui rawa atu [D φ/dt=(dφ/dt) Max], ā, ko te kaha hiko whakaoho E te mea teitei rawa (E=Emax). I muri i te hurihanga o te rotor i te tūranga o te pūwāhi B, ahakoa kei te piki tonu te rerenga aukume φ, ka heke te tere o te huringa o te rerenga aukume, nō reira ka heke te kaha hiko whakaoho E. Ina huri te rotor ki te rārangi pokapū o te niho pūkohu me te rārangi pokapū o te pane aukume, ahakoa ko te āputa hau i waenga i te niho pūkohu o te rotor me te pane aukume te mea iti rawa, ko te ātete aukume o te ara iahiko aukume te mea iti rawa, ā, ko te rerenga aukume φ te mea nui rawa, engari nā te mea kāore e taea e te rerenga aukume te piki tonu, ko te tere o te huringa o te rerenga aukume he kore, nō reira ko te kaha hiko whakaoho E he kore. Ina huri tonu te rotor i te taha matau, ā, ka wehe te niho pūkohu i te pane aukume, ka piki te āputa hau i waenga i te niho pūkohu me te pane aukume, ka piki te ātete ara iahiko aukume, ā, ka heke te rerenga aukume (dφ/dt< 0), nō reira he kino te kaha hiko whakaoho E. Ina te Ka huri te niho pūkohu ki te taha o te wehenga atu i te pane aukume, ka heke tere te rerenga aukume φ, ka eke te tere huringa rerenga ki te mōrahi kino [D φ/df=-(dφ/dt) Max], ā, ka eke hoki te kaha hiko whakaoho E ki te mōrahi kino (E= -emax). Nō reira, ka kitea i ia wā ka huri te rotor tohu i te niho pūkohu, ka whakaputa te koiri pūoko i te kaha hiko hurihuri ā-wā, arā, ka puta te kaha hiko i te uara mōrahi me te iti rawa, ka whakaputa te koiri pūoko i te tohu ngaohiko hurihuri e rite ana. Ko te painga nui o te pūoko whakaoho aukume ko te kore e hiahiatia he pūtake hiko o waho, ko te aukume tuturu te mahi ki te huri i te kaha miihini ki te kaha hiko, ā, e kore tōna kaha aukume e ngaro. Ina huri te tere o te miihini, ka huri te tere hurihuri o ngā niho pūkohu o te rotor, ā, ka huri anō hoki te tere huringa rerenga i roto i te matua. Ko te teitei ake o te tere, ko te nui ake o te tere huringa rerenga, ko te teitei ake o te kaha hiko whakaoho i roto i te koiri pūoko. Nā te mea ka pā tika te āputa hau i waenga i ngā niho pūkohu o te rotor me te pane aukume ki te ātete aukume. o te ara iahiko aukume me te ngaohiko putanga o te koiri pūoko, kāore e taea te whakarerekē i te āputa hau i waenga i ngā niho pūwero me te pane aukume i te wā e whakamahia ana. Mena ka huri te āputa hau, me whakarite kia rite ki ngā whakaritenga. Ko te āputa hau ka hangaia i roto i te whānuitanga o te 0.2 ~ 0.4mm.2) Pūoko tūranga toki whakapūngao aukume motuka Jetta, Santana1) Ngā āhuatanga hanganga o te pūoko tūranga toki whakapūngao: Ko te pūoko tūranga toki whakapūngao aukume o Jetta AT, GTX me Santana 2000GSi ka tāutahia ki runga i te poraka rango tata ki te mamau i roto i te pouaka whakapūngao, ko te nuinga he mea hanga mai i te kaihanga tohu me te rotor tohu. Ka herea te kaihanga tohu ki te poraka miihini, ā, he mea hanga mai i ngā aukume tuturu, ngā koiri pūngao, me ngā mono taura waea. Ka kiia hoki te koiri pūngao ko te koiri tohu, ā, ka piri he pane aukume ki te aukume tuturu. Kei te ritenga atu tonu o te rotor tohu momo kōpae niho kua tāutahia ki te toki porowhita te pane aukume, ā, ka honoa te pane aukume ki te ioka aukume (pereti ārahi aukume) hei hanga i tētahi koropiko ārahi aukume. He momo kōpae niho te rotor tohu, me ngā niho pūkohu 58, ngā niho iti 57 me te niho matua kotahi e ōrite ana te tawhiti i tōna porowhita. Kāore he tohu tohutoro putanga o te niho nui, e rite ana ki te TDC pēhanga o te rango miihini 1, te rango 4 rānei i mua i tētahi koki. Ko ngā radian o ngā niho matua he ōrite ki ērā o ngā niho pūkohu e rua me ngā niho iti e toru. Nā te mea ka huri te rotor tohu me te toki porowhita, ā, ka huri te toki porowhita kotahi (360). , ka huri anō hoki te rotor tohu kotahi (360). , nō reira ko te koki hurihanga o te toki porowhita e nohoia ana e ngā niho pūkohu me ngā hapa niho i te porowhita o te rotor tohu he 360. , ko te koki hurihanga o te toki porowhita o ia niho pūkohu me te niho iti he 3. (58 x 3.57 x + 3. = 345). , ko te koki o te toki porowhita e pā ana ki te hapa nui o te niho ko te 15. (2 x 3. + 3 x3. = 15). .2) te āhua mahi o te pūoko tūranga toki porowhita: ina huri te pūoko tūranga toki porowhita me te toki porowhita, ko te kaupapa mahi o te pūoko aukume, ka hurihia te tohu o te rotor ki te niho pūkohu, ka whakaputahia e te koiri aro he emf tauutuutu ā-wā (te kaha hiko i roto i te mōrahi me te iti), ka tukuna e te koiri he tohu ngaohiko tauutuutu. Nā te mea he niho nui te rotor tohu hei whakaputa i te tohu tohutoro, nō reira, ina huri te niho niho nui i te pane aukume, ka roa te ngaohiko tohu, arā, ko te tohu putanga he tohu whānui, e rite ana ki tētahi koki i mua i te TDC pēhanga o te rango 1, te rango 4 rānei. Ina whiwhi te waeine whakahaere hiko (ECU) i tētahi tohu whānui, ka taea e ia te mōhio kei te haere mai te tūranga TDC o runga o te rango 1, 4 rānei. Mō te tūranga TDC e haere mai ana o te rango 1, 4 rānei, me whakatau i runga i te tāuru tohu mai i te pūoko tūranga camshaft. Nā te mea e 58 ngā niho pūkohu o te rotor tohu, ka whakaputa te koiri pūoko i ngā tohu ngaohiko tauutuutu e 58 mō ia hurihanga o te rotor tohu (kotahi hurihanga o te toki porowhita miihini). Ia hurihanga o te rotor tohu i te taha o te toki porowhita miihini, ka whāngaihia e te koiri pūoko he 58 ngā pātere ki roto i te waeine whakahaere hiko (ECU). Nō reira, mō ia 58 tohu i whiwhihia e te pūoko tūnga toki porowhita, ka mōhio te ECU kua huri kotahi te toki porowhita miihini. Mena ka whiwhi te ECU i ngā tohu 116000 mai i te pūoko tūnga toki porowhita i roto i te 1 meneti, ka taea e te ECU te tatau ko te tere o te toki porowhita n he 2000(n=116000/58=2000)r/ua; Mena ka whiwhi te ECU i ngā tohu 290,000 ia meneti mai i te pūoko tūnga toki porowhita, ka tatau te ECU i te tere porowhita o te 5000(n= 29000/58 =5000)r/min. Mā tēnei, ka taea e te ECU te tatau i te tere o te hurihanga o te porowhita hiko i runga i te maha o ngā tohu pātītī i whiwhihia ia meneti mai i te pūoko tūnga porowhita hiko. Ko te tohu tere miihini me te tohu kawenga ngā tohu whakahaere tino nui me te taketake o te pūnaha whakahaere hiko, ka taea e te ECU te tatau i ngā tawhā whakahaere taketake e toru e ai ki ēnei tohu e rua: te koki matua o te werohanga (wā), te koki matua o te mura ahi (wā) me te koki kawe mura ahi (te au tuatahi o te koiri mura i te wā).Jetta AT me GTx, Santana 2000GSi motuka momo aukume whakapūmau tohu rotor i hangaia e te tohu hei tohu tohutoro, ko te whakahaere a te ECU i te wā werohanga wahie me te wā mura ahi i runga i te tohu i hangaia e te tohu. Ina whiwhi te ECu i te tohu i hangaia e te hapa niho nui, ka whakahaerehia e ia te wā mura, te wā werohanga wahie me te wā whakawhiti iahiko tuatahi o te koiri mura (arā, te koki kawe) e ai ki te tohu hapa niho iti.3) Ka whakamahia e te Toyota TCCS automobile aukume crankshaft me te camshaft position sensor Toyota Computer Control System (1FCCS) te pūoko crankshaft aukume me te camshaft position sensor i whakarerekētia mai i te distributor, e tito ana i ngā wāhanga o runga me raro. Ka wehea te wāhanga o runga ki te tohu tohutoro tūranga crankshaft kimi (arā, te tautuhi rango me te tohu TDC, e mōhiotia ana ko te tohu G) generator; Ka wehea te wāhanga o raro ki te tere crankshaft me te tohu kokonga (e kiia ana ko te tohu Ne).1) Ngā āhuatanga hanganga o te Ne signal generator: Kei raro i te G signal generator te Ne signal generator, ko te nuinga he rotor tohu Nama 2, he koiri pūoko Ne me te pane aukume. Ka mau te rotor tohu ki runga i te rakau pūoko, ka peia te rakau pūoko e te camshaft tohatoha hau, ko te pito o runga o te rakau he pane ahi, he 24 ngā niho kōpiko o te rotor. Kei roto i te whare pūoko te koiri pūoko me te pane aukume, ā, kei roto i te koiri pūoko te pane aukume.2) Te kaupapa whakaputa tohu tere me te koki me te tukanga whakahaere: ina tukuna ngā tohu a te pūoko crankshaft miihini, te pūoko camshaft takirere, ka peia te hurihanga o te rotor, ka huri ngā niho e puta ana te rotor me te āputa hau i waenga i te pane aukume, ka huri te koiri pūoko i roto i te rere aukume, ka whakaatuhia e te kaupapa mahi a te pūoko aukume ka taea e te koiri pūoko te whakaputa i te kaha hiko whakakorikori tauutuutu. Nā te mea he 24 ngā niho pūkohu o te rotor tohu, ka whakaputa te koiri pūoko i ngā tohu tauutuutu 24 ina huri kotahi te rotor. Ia hurihanga o te rakau pūoko (360). He rite tēnei ki ngā hurihanga e rua o te koiri pūoko miihini (720). , nō reira he rite te tohu tauutuutu (arā, he wā tohu) ki te hurihanga crank o te 30. (720. Āianei 24 = 30). , he rite ki te hurihanga o te pane ahi 15. (30. Āianei 2 = 15). . Ina whiwhi te ECU i ngā tohu e 24 mai i te kaihanga tohu Ne, ka taea te mōhio ka huri rua te porowhita, ka huri kotahi te pane mura. Ka taea e te hōtaka ā-roto o te ECU te tatau me te whakatau i te tere o te porowhita miihini me te tere o te pane mura e ai ki te wā o ia huringa tohu Ne. Hei whakahaere tika i te koki whakamua o te mura me te koki whakamua o te werohanga wahie, ka nohoia te koki o te toki porowhita e ia huringa tohu (30). He iti ake ngā kokonga. He tino watea te mahi i tēnei mahi mā te rorohiko iti, ā, ka tohu te wehewehe auau i ia Ne (koki porowhita 30). Ka wehea ōritetia kia 30 ngā tohu pāhekoheko, ā, he ōrite ia tohu pāhekoheko ki te koki porowhita 1. (30. 30 o nāianei = 1). . Mena ka wehea ōritetia ia tohu Ne ki te 60 ngā tohu pāhekoheko, ka rite ia tohu pāhekoheko ki te koki porowhita o te 0.5. (30. ÷60= 0.5. . Ka whakatauhia te tautuhinga motuhake e ngā whakaritenga tika o te koki me te hoahoa hōtaka.3) Ngā āhuatanga hanganga o te kaihanga tohu G: Ka whakamahia te kaihanga tohu G hei kite i te tūranga o te pokapū mate o runga piston (TDC) me te tautuhi ko tēhea rango e tata ana ki te eke ki te tūranga TDC me ētahi atu tohu tohutoro. Nō reira, ka kiia hoki te kaihanga tohu G ko te kaihanga tohu mohio rango me te pokapū mate o runga, ko te kaihanga tohu tohutoro rānei. Kei roto i te kaihanga tohu G ko te rotor tohu Nama 1, te koiri ine G1, G2 me te aukume. pane, me ētahi atu. E rua ngā parirau o te rotor tohu, ā, kua mau ki te kakau pūoko. E 180 nekehanga te tawhiti o ngā koiri pūoko G1 me G2. I te whakamau, ka whakaputa te koiri G1 i tētahi tohu e rite ana ki te pokapū mate o runga o te pehanga o te ono o ngā rango miihini 10. Ko te tohu i whakaputaina e te koiri G2 e rite ana ki te lO i mua i te TDC pehanga o te rango tuatahi o te miihini. 4) Te tautuhi rango me te kaupapa whakaputa tohu pokapū mate o runga me te tukanga whakahaere: he rite te kaupapa mahi a te kaihanga tohu G ki te kaihanga tohu Ne. Ina hurihia te kakau cam o te miihini ki te huri, ka haere te parirau o te rotor tohu G (rotor tohu Nama 1) mā te pane aukume o te koiri pūoko, ā, ka huri te āputa hau i waenga i te parirau rotor me te pane aukume, ā, ka whakaohohia te tohu kaha hiko tauutuutu i roto i te koiri pūoko Gl me G2. Ina tata te wāhanga flange o te rotor tohu G ki te pane aukume o te koiri pūoro G1, ka puta he tohu pāoro pai i roto i te koiri pūoro G1, e kiia nei ko te tohu G1, nā te mea ka heke te āputa hau i waenga i te flange me te pane aukume, ka piki ake te rerenga aukume, ā, he pai te tere huringa rerenga aukume. Ina tata te wāhanga flange o te rotor tohu G ki te koiri pūoro G2, ka heke te āputa hau i waenga i te flange me te pane aukume, ā, ka piki ake te rerenga aukume.