Layin firikwensin ABS na gaba
Ana amfani da firikwensin abs a cikin ABS (Anti-lock Braking System) na abin hawa. Yawancin tsarin ABS ana lura da shi ta hanyar firikwensin inductive don lura da saurin abin hawa. Na'urar firikwensin abs yana fitar da saitin daidai Mitar da girman siginar musanyawar sinusoidal na yanzu suna da alaƙa da saurin dabaran. Ana isar da siginar fitarwa zuwa naúrar sarrafa lantarki ta ABS (ECU) don gane ainihin lokacin sa ido na saurin dabaran.
babban nau'in
1. firikwensin saurin dabaran madaidaiciya
Babban firikwensin saurin dabaran madaidaiciya ya ƙunshi maganadisu na dindindin, sandar sandar igiya, naɗaɗɗen shigarwa da kayan zobe. Lokacin da zoben zobe ke juyawa, saman haƙori da ja da baya suna fuskantar kutuwar igiya a madadin. A yayin jujjuyawar kayan zobe, motsin maganadisu a cikin coil induction yana canzawa ta wata hanya don samar da ƙarfin lantarki da aka jawo, kuma wannan siginar shigarwar ita ce zuwa sashin sarrafa lantarki ta ABS ta hanyar kebul a ƙarshen coil ɗin shigar. Lokacin da saurin zobe ya canza, yawan ƙarfin lantarki da aka jawo shima yana canzawa.
2. Ring wheel gudun firikwensin
Na'urar firikwensin saurin dabaran annular galibi ya ƙunshi maganadisu na dindindin, na'urar induction da kayan zobe. Magnet ɗin dindindin ya ƙunshi nau'i-nau'i da yawa na sandunan maganadisu. A yayin jujjuyawar kayan zobe, motsin maganadisu a cikin coil induction yana canzawa a madadin don samar da ƙarfin lantarki da aka jawo. Wannan siginar shigarwar ita ce zuwa naúrar sarrafa lantarki ta ABS ta hanyar kebul a ƙarshen induction coil. Lokacin da saurin zobe ya canza, yawan ƙarfin lantarki da aka jawo shima yana canzawa.
3. Hall dabaran gudun firikwensin
Lokacin da gear ya kasance a matsayin da aka nuna a cikin (a), layukan ƙarfin maganadisu da ke wucewa ta ɓangaren Hall ɗin suna watse, kuma filin maganadisu yana da rauni sosai; yayin da gear ya kasance a matsayin da aka nuna a cikin (b), layukan ƙarfin maganadisu da ke wucewa ta ɓangaren Hall ɗin suna da hankali, kuma filin maganadisu yana da ƙarfi. Lokacin da gear ɗin ke juyawa, yawan ƙarfin maganadisu da ke wucewa ta ɓangaren Hall ɗin yana canzawa, don haka yana haifar da canji a cikin ƙarfin lantarki na Hall, kuma ɓangaren Hall ɗin zai fitar da ƙarfin lantarki mai ƙima-sine na matakin millivolt (mV). Wannan siginar kuma yana buƙatar canza shi zuwa daidaitaccen ƙarfin bugun bugun jini ta hanyar da'ira ta lantarki.
Shigar Shirya Watsa shirye-shirye
(1) Tambarin zobe
Kayan zobe da zobe na ciki ko madaidaicin rukunin cibiyar suna ɗaukar daidaitaccen tsangwama. A lokacin aikin haɗin ginin cibiyar, ana haɗa kayan zobe da zobe na ciki ko mannen tare da latsawa na hydraulic;
(2) Shigar da firikwensin
Akwai nau'i biyu na haɗin gwiwa tsakanin firikwensin da zobe na waje na rukunin cibiyar: tsoma baki da kulle goro. Na'urar firikwensin saurin dabaran linzamin kwamfuta galibi yana cikin nau'in kulle goro, kuma firikwensin saurin dabaran annular yana ɗaukar tsangwama;
Nisa tsakanin saman ciki na maganadisu na dindindin da haƙoran haƙora na kayan zobe: 0.5 ± 0.15mm (wanda aka fi sani da shi ta hanyar sarrafa diamita na waje na kayan zobe, diamita na ciki na firikwensin da haɓaka)
(3) Gwajin ƙarfin lantarki Yi amfani da ƙarfin fitarwa na ƙwararrun ƙwararru da nau'in igiyar ruwa a wani takamaiman gudu, kuma gwada ko akwai gajeriyar da'ira don firikwensin madaidaiciya;
gudun: 900rpm
Bukatar wutar lantarki: 5. 3～7. 9v
Bukatun Waveform: tsayayyen igiyar ruwa
gano irin ƙarfin lantarki
Ganewar wutar lantarki
Gwaji abubuwa:
1. Ƙarfin fitarwa: 650 ~ 850mv (1 20rpm)
2. Fitowar igiyar ruwa: tsayayyen igiyar ruwa
Na biyu, abs firikwensin gwajin ɗorewa mai ƙarancin zafin jiki
Ajiye firikwensin a 40 ° C na tsawon awanni 24 don bincika ko firikwensin abs zai iya cika buƙatun aikin lantarki da rufewa don amfani na yau da kullun.
