Tsheb ABS Sensor yog dab tsi? Hom dab tsi muaj thiab lawv tau nruab li cas?
abs sensor yog siv nyob rau hauv lub tsheb tsav ABS (Anti-lock Braking System). Nyob rau hauv ABS system, qhov ceev yog saib xyuas los ntawm inductive sensor. Lub abs sensor outputs ib txheej ntawm quasi-sinusoidal AC hluav taws xob teeb liab los ntawm qhov kev txiav txim ntawm lub nplhaib iav uas tig synchronously nrog lub log, thiab nws zaus thiab amplitude muaj feem xyuam rau lub log ceev. Lub teeb liab tso zis tau xa mus rau ABS hluav taws xob tswj chav tsev (ECU) kom paub txog lub sijhawm saib xyuas lub log ceev.
1, linear log ceev sensor
Linear log ceev sensor yog tsim los ntawm cov hlau nplaum ruaj khov, ncej axis, induction coil thiab hniav nplhaib. Thaum lub iav nplhaib tig, lub hau ntawm lub iav thiab lub nraub qaum rov qab hloov qhov sib txawv ntawm cov polar axis. Thaum lub sij hawm kev sib hloov ntawm lub nplhaib iav, cov hlau nplaum sib nqus nyob rau hauv induction kauj hloov pauv los tsim cov induction electromotive quab yuam, thiab cov teeb liab no tau nkag mus rau hauv chav tswj hluav taws xob ntawm ABS los ntawm cov kab hauv qhov kawg ntawm induction kauj. Thaum qhov ceev ntawm lub nplhaib iav hloov, qhov zaus ntawm qhov induced electromotive quab yuam kuj hloov.
2, lub nplhaib log ceev sensor
Annular log ceev sensor yog tsim los ntawm cov hlau nplaum ruaj khov, induction coil thiab hniav nplhaib. Cov hlau nplaum ruaj khov yog tsim los ntawm ob peb khub ntawm cov hlau nplaum. Thaum lub sij hawm sib hloov ntawm lub nplhaib iav, cov hlau nplaum sib nqus hauv qhov induction coil hloov pauv los tsim cov induction electromotive quab yuam. Cov teeb liab no yog cov tswv yim nkag mus rau hauv chav tswj hluav taws xob ntawm ABS los ntawm lub cable ntawm qhov kawg ntawm induction coil. Thaum qhov ceev ntawm lub nplhaib iav hloov, qhov zaus ntawm qhov induced electromotive quab yuam kuj hloov.
3, Hall hom log ceev sensor
Thaum lub iav nyob rau hauv txoj hauj lwm qhia nyob rau hauv (a), cov kab hlau nplaum uas hla dhau lub Hall lub caij yog dispersed thiab lub magnetic teb kuj tsis muaj zog; Thaum lub iav nyob rau hauv txoj hauj lwm qhia nyob rau hauv (b), cov kab hlau nplaum uas hla dhau lub Hall lub ntsiab yog concentrated thiab lub magnetic teb kuj muaj zog. Thaum lub iav tig, qhov ceev ntawm cov kab hlau nplaum ntawm lub zog dhau los ntawm Hall element hloov, uas ua rau Hall voltage hloov, thiab Hall lub caij yuav tso tawm ib millivolt (mV) theem ntawm quasi-sine yoj voltage. Cov teeb liab no kuj yuav tsum tau hloov los ntawm cov hluav taws xob hluav taws xob mus rau hauv tus qauv pulse voltage.
Nruab
(1) Stamping iav nplhaib
Lub nplhaib hniav thiab lub nplhaib puab los yog mandrel ntawm lub hub unit txais kev cuam tshuam haum. Nyob rau hauv cov txheej txheem sib dhos ntawm lub hub, lub nplhaib hniav thiab lub nplhaib puab los yog mandrel yog sib xyaw ua ke los ntawm cov xovxwm roj.
(2) Nruab lub sensor
Qhov haum ntawm lub sensor thiab lub nplhaib sab nraud ntawm lub hub unit yog cuam tshuam haum thiab txiv ntoo xauv. Lub linear log ceev sensor yog cov txiv ntseej xauv daim ntawv, thiab lub nplhaib log ceev sensor txais kev cuam tshuam haum.
Qhov kev ncua deb ntawm sab hauv ntawm cov hlau nplaum ruaj khov thiab cov hniav nto ntawm lub nplhaib: 0.5 ± 0.15 hli (tsuas yog los ntawm kev tswj ntawm sab nraud ntawm lub nplhaib, sab hauv txoj kab uas hla ntawm lub sensor thiab concentricity)
(3) Qhov ntsuas hluav taws xob siv tus kheej tsim cov khoom siv hluav taws xob thiab lub zog ntawm qhov nrawm, thiab cov kab hluav taws xob yuav tsum tau kuaj seb qhov luv luv;
Ceev: 900 rpm
Qhov yuav tsum tau muaj voltage: 5.3 ~ 7.9 V
Waveform xav tau: ruaj khov sine wave
Zhuo Meng Shanghai Auto Co., Ltd. tau cog lus los muag MG& MAUXS tsheb qhov chaw txais tos yuav.
