Iyini isondo lesignali ye-crankshaft yemoto
Isondo lesignali ye-crankshaft yemoto , elaziwa nangokuthi i-crankshaft position sensor noma i-speed sensor yenjini, umsebenzi walo oyinhloko ukuqapha ijubane le-crankshaft kanye ne-engela yenjini, ukuze kutholakale ngokunembile indawo ye-crankshaft. Imininingwane eqoqwe idluliselwa kwi-Engine Control Unit (ECU) noma kwezinye izinhlelo zekhompyutha ezifanele ukuqinisekisa ukulawulwa okunembile kwesikhathi sokushiswa kwenjini .
Isimiso sokusebenza
Isondo lesignali le-crankshaft livame ukuklanywa njengesondo elinezingxenye eziningi zamazinyo. Lapho isondo lesignali lidlula ku-sensor, kukhiqizwa i-voltage ye-AC, futhi imvamisa yale voltage iyashintshashintsha ngokushintsha kwesivinini. Lo mklamo uvumela i-sensor ukukala ijubane lenjini ngokusebenzisa isignali ye-pulse.
Uhlobo nendawo yokufaka
Isondo lesignali ye-crankshaft ngokwesimiso sokukhiqiza izimpawu lingahlukaniswa ngohlobo lwe-magnetic induction, uhlobo lwe-photoelectric kanye nohlobo lwe-Hall izinhlobo ezintathu. Izinzwa ze-Common Hall zivame ukusebenzisa umklamo wezintambo ezintathu, okuhlanganisa ikhebula lamandla, ikhebula lesignali ye-AC kanye nekhebula lokuvikela isignali ye-AC. Indawo yokufaka ivame ukuba ku-distributor, esibayeni se-transmission clutch, ngaphambili noma ngemuva kwe-crankshaft, njll., kuye ngohlobo lwenzwa kanye nomklamo wenjini .
Sebenza ngokubambisana nezinye izingxenye
Isondo lesignali le-crankshaft livame ukusebenza ngokubambisana nenzwa yesikhundla se-camshaft ukunquma isikhathi esiyisisekelo sokusha. Ngokunikeza ulwazi olunembile lwesikhundla, baqinisekisa ukuthi injini ingasebenza ngokuhambisana nochungechunge lokudubula olunqunyiwe, ngaleyo ndlela kufezwe ukusebenza okubushelelezi nokuphumelelayo .
Umsebenzi oyinhloko wesondo lesignali ye-crankshaft yemoto ukuthola isivinini se-crankshaft kanye ne-engela yenjini, ukunquma indawo ye-crankshaft, nokudlulisa imiphumela etholakele kuyunithi yokulawula injini (ECU) noma kwezinye izinhlelo zekhompyutha ezifanele ukuqinisekisa ukulawulwa okunembile kwesikhathi sokushiswa kwenjini .
Ngokukhethekile, isondo lesignali le-crankshaft (elaziwa nangokuthi inzwa yesikhundla se-crankshaft noma inzwa yesivinini senjini) linemisebenzi elandelayo:
Hlola isivinini senjini: Nquma isimo sokusebenza senjini ngokuthola isivinini se-crankshaft.
Nquma indawo ye-piston TDC : Thola indawo ye-TDC ye-piston ngayinye yesilinda. Lokhu kubalulekile ekulawuleni ukuthungela kanye nesikhathi sokujova uphethiloli. Isibonelo, iyakwazi ukuhlinzeka ngezibonakaliso ze-TDC zesilinda ngasinye zokulawula ukuthungela kanye nezibonakaliso ze-TDC zesilinda sokuqala zokulawula ukujova uphethiloli okulandelanayo .
Inikeza isignali ye-engela ye-crankshaft: Ngokubona i-engela ye-crankshaft, qiniseka ukuthi isikhathi sokusha kwenjini kanye nesikhathi sokujova uphethiloli sinembile.
Isebenza ngenzwa yesikhundla se-camshaft : Ngokuvamile isebenza ngenzwa yesikhundla se-camshaft ukuqinisekisa ukuthi isikhathi esiyisisekelo sokusha kwenjini sinembile. Inzwa yesikhundla se-camshaft inquma ukuthi iyiphi i-piston yesilinda ekucindezelweni, kuyilapho inzwa yesikhundla se-crankshaft inquma ukuthi iyiphi i-piston yesilinda eku-TDC .
Ngaphezu kwalokho, izici zomklamo wesondo lesignali le-crankshaft zifaka isondo elinezingxenye eziningi zamazinyo. Lapho isondo lesignali lidlula ku-sensor, kukhiqizwa i-voltage ye-AC eshintshashintsha imvamisa yayo ngokwejubane .
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