He aha te pūoko o te porowhita crankshaft waka?
Ko te pūoko o te toki porowhita (e mōhiotia ana ko te pūoko tūnga o te toki porowhita) he wāhanga matua o te pūnaha whakahaere hiko o te miihini. Ko te nuinga o te wā ka whakamahia hei kite i te tūnga hurihuri (koki) o te toki porowhita me te tere o te miihini, kātahi ka tukuna atu ēnei mōhiohio i te wā tūturu ki te waeine whakahaere miihini (ECU) hei whakahaere tika i te wā mura, te wā werohanga wahie, me te raupapa mura.
Ngā mahi matua
Whakatauhia te koki o te porowhita: Whakatauhia te tūranga tika o te piston i roto i te rango (pērā i te pokapū mate o runga).
Aroturuki i te tere o te miihini: Tātaihia te RPM (hurihanga ia meneti) mā te auau o te hurihanga o te toki porowhita.
Mahi tahi me te pūoko tūnga camshaft: Tāutuhia ngātahi te āhua mahi o ia rango (pēnei i te whiu kōpeketanga), ka whakatutuki i te werohanga wahie me te mura.
Ngā momo noa me ngā mātāpono mahi
Momo whakapūtanga aukume-hiko (momo pātere aukume)
He mea tito mai i te aukume tuturu, he koiri whakapūmau, me te kōpae tohu me ōna niho/awhi.
Ina huri te porowhita, ka hurihia e te kōpae tohu te papa aukume, ka puta he tohu ngaohiko tauutuutu i roto i te koiri.
He māmā noa iho, he pono hoki te hanganga, ā, e whakamahia whānuitia ana i roto i ngā tauira tawhito me ētahi waka hou.
Momo pānga whare
Ka whakamahi i te huānga Hall hei rongo i ngā huringa o te papa aukume, ā, ka whakaputa i te tohu pāorooro ngaru tapawhā.
Me whakamahi he pūtake hiko 5V o waho, ā, he kaha tōna ārai-pokanoa, he tino tika hoki.
He mea kitea noa i roto i ngā waitohu pēnei i a General Motors (GM), Chrysler, me ētahi atu.
Momo whakaahua-hiko
He mea tito mai i te rama LED, he rama photodiode, me te kōpae tohu me ngā kōhao rama.
Mā te whakaputanga tauutuutu o te mārama/atarangi ka puta ngā tohu pātītī, i whakamahia i roto i a Nissan me ētahi atu tauira.
Nā te mea he ngāwari ki te hinu me te puehu, kua whakakorea haeretia.
Tauwāhi tāutanga
Te pito o mua o te porowhita (e tata ana ki te pūwero whitiki)
Te pito o muri o te porowhita (e tata ana ki te wira rere, ki te whare whakawhiti rānei)
Waenganui o te porowhita
I roto i te kaituku (i roto i ngā tauira tawhito)
Ngā āhuatanga noa o te rahunga
Kāore e taea te tīmata te miihini
Te kore pumau o te noho, te whakaterenga ngoikore
Rama hapa miihini e kā ana
Ngā waehere hapa kua rongoatia (pēnei i te P0335, P0336, me ētahi atu)
Tikanga kimi (hei tauira: momo aukume-hiko)
Tirohanga ātete: Ko te ātete o te koiri he 125–250Ω i te nuinga o te wā (i runga i te tauira).
Tirotiro i te ngaohiko tohu: Ina tīmata te mīhini, whakamahia he mita maha hei ine i te pito putanga, me 0.2–2V te ngaohiko pā o te pūhiko AC.
Tirohanga āputa: Ko te āputa i waenga i te kōpae tohu me te pane aukume o te pūoko he 0.2–0.4mm te nuinga.
Mena kua pakaru te pūoko, e kore e taea e te ECU te tiki i ngā mōhiohio matua mō te wā, ka kore ai e taea te whakahaere i te pūnaha werohanga wahie me te pūnaha mura, ā, e kore e taea e te waka te whakahaere.
Ko te pūoko o te toki porowhita (e mōhiotia ana ko te pūoko tūnga o te toki porowhita) he wāhanga matua o te pūnaha whakahaere hiko o te miihini. Ko tana mahi matua he kite i te koki o te toki porowhita, te tere o te miihini, me te tūnga o te pokapū mate o runga o te piston, kātahi ka tuku i ēnei mōhiohio hei tohu hiko ki te waeine whakahaere miihini (ECU) hei whakahaere tika i te wā mura me te wā weronga wahie.
Mahi matua
Whakatauhia te tūranga o te porowhita: Tāutuhia te koki o te porowhita o nāianei.
Inehia te tere o te miihini: Tātaihia te tere (RPM) mā te maha o ngā pātītī mō ia wā.
Tautuhia te pokapū mate o runga o te piston: Homai he tohutoro mō te mura me te werohanga wahie o ia rango.
Mahi tahi me te pūoko tūnga camshaft: Tāutuhia ngātahi ko tēhea rango kei te pito o te whiu kōpeketanga, ka whakatutuki i te mura me te werohanga wahie.
Te kaupapa mahi (mā te momo whakarōpūtanga)
E toru ngā momo matua o te pūoko crankshaft, ā, ko ngā mātāpono mahi e whai ake nei:
Momo whakapūtanga aukume-hiko (momo pātere aukume)
He mea tito mai i te aukume tuturu, he koiri whakapūmau, me te kōpae tohu me ōna niho/awhi.
I te hurihuri o te porowhita, ka hurihia e te kōpae tohu te papa aukume, ka puta he huringa i roto i te papa aukume, ā, ka puta he kaha hiko tauutuutu (tohu ngaru sine) i roto i te koiri.
Ka hurihia e te ECU tēnei tohu hei pāorooro, ā, ka tatau i te tere me te tūranga.
Hei tauira: I whakamahia tēnei tikanga e ngā tauira tōmua o Nissan me Toyota, ā, he maha ngā wā ka ngaro ngā niho o te kōpae tohu mō te tukutahitanga.
Momo pānga Hall Ka whakamahia te huānga Hall hei rongo i ngā panonitanga o te papa aukume.
Ka whakaohokia te impeller (me ngā mata me ngā notch) kia huri tahi me te crankshaft. Ina hāngai te notch ki te huānga Hall, ka haere te papa aukume ka whakaputa i te pāhekoheko taumata-tiketike; ina āraia e te mata, ka karohia e te papa aukume ka whakaputa i te taumata-iti.
He tohu ngaru tapawhā te putanga, e hiahia ana ki tētahi pūtake hiko 5V o waho, ā, he kaha tōna āheinga ārai-pokanoa.
Whatu
He mea tito mai i tētahi pūtake mārama LED, he diode whakaahua, me tētahi kōpae tohu me tētahi kōhao mārama.
Ina huri te kōpae tohu, ka tukuna te mārama kia haere e te kōhao mārama, ka āraia, ka puta he ngaohiko pāorooro i te photodiode.
Ka taea e ia te whakaputa i tētahi tohu koki porowhita 1° tino tika, engari he ngāwari ki te poke hinu me te puehu, ā, he mea kitea noa i roto i ngā hanganga tohatoha tawhito.
Ngā āhuatanga hapa noa
Kāore e taea te tīmata te miihini, he uaua rānei te tīmata
Kāore i te rawaka te mana, te wiri, te whakaroa
Ka kā te rama hapa (pērā i te P0335, P0336, me ētahi atu, ngā waehere hapa e pā ana ki ngā pūoko tūranga o te crankshaft)
Ngā take noa: ngā waea tawhito, ngā pūoko paru, te koretake o te tawhiti (pēnei i te momo tawhiti aukume-hiko me 0.2–0.4mm)
Tauwāhi tāutanga
Te pito o mua o te porowhita (e tata ana ki te pūrei)
Whare wira rere, whare mamau rānei
Te pito o mua o te camshaft
I roto i te kaituku (i ngā tauira tawhito)
Ko te nuinga o ngā tauira matua o nāianei e whakamahi ana i ngā pūoko aukume-hiko, momo-Hall rānei, nā te mea he pono, he urutau hoki ō rātou hanganga. Kāore i te maha te whakamahinga o te momo whatu i roto i ngā miihini hou nā tōna aro ki te taiao.
Ki te hiahia koe ki te mōhio atu, pānuihia tonutia ngā tuhinga kē atu i runga i tēnei pae!
Tena waea mai ki a mātou mēnā e hiahia ana koe ki ēnei hua.
Zhuo Meng Shanghai Auto Co., Ltd. e whakapau kaha ana ki te hoko i a MG&MAXUSnau mai haere mai ngā wāhanga waka ki te hoko.
