Sensor ABS.
Ana amfani da firikwensin Abs a cikin motar ABS (Anti-lock Braking System). A cikin tsarin ABS, ana lura da saurin ta hanyar firikwensin inductive. Na'urar firikwensin abs yana fitar da saitin siginonin lantarki na quasi-sinusoidal AC ta hanyar aikin zoben gear wanda ke juyawa tare da dabaran, kuma mitansa da girmansa 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.
1, firikwensin saurin dabaran madaidaiciya
Na'urar firikwensin saurin dabaran madaidaiciya ya ƙunshi maganadisu na dindindin, axis na sandar sanda, na'urar induction da zoben haƙori. Lokacin da zoben kayan aiki ya juya, titin kayan aikin da koma baya suna musanya sabanin axis na igiya. Yayin jujjuyawar zoben gear, motsin maganadisu a cikin coil induction yana canzawa ta wata hanya don samar da ƙarfin shigar da wutar lantarki, kuma wannan siginar shigarwar ita ce ga naúrar sarrafa lantarki ta ABS ta hanyar kebul a ƙarshen induction coil. Lokacin da saurin zoben gear ya canza, yawan ƙarfin lantarki da aka jawo shima yana canzawa.
2, firikwensin saurin dabaran zobe
Babban firikwensin saurin dabaran shekara-shekara ya ƙunshi maganadisu na dindindin, coil induction da zoben haƙori. Magnet ɗin dindindin ya ƙunshi nau'i-nau'i da yawa na sandunan maganadisu. A yayin jujjuyawar zoben gear, motsin maganadisu a cikin coil induction yana canzawa ta wata hanya don samar da ƙarfin shigar da wutar lantarki. Wannan siginar shigarwar ita ce zuwa naúrar sarrafa lantarki ta ABS ta hanyar kebul a ƙarshen induction coil. Lokacin da saurin zoben gear ya canza, yawan ƙarfin lantarki da aka jawo shima yana canzawa.
3, Hall irin dabaran gudun firikwensin
Lokacin da kayan aikin ya kasance a matsayin da aka nuna a cikin (a), layukan filin maganadisu da ke wucewa ta ɓangaren Hall ɗin suna tarwatse kuma filin maganadisu yana da rauni sosai; Lokacin da kayan aikin ya kasance a matsayin da aka nuna a (b), layukan filin maganadisu da ke wucewa ta ɓangaren Hall ɗin suna ta da hankali kuma filin maganadisu yana da ƙarfi. Lokacin da gear ɗin ke juyawa, girman layin ƙarfin maganadisu da ke wucewa ta ɓangaren Hall ɗin yana canzawa, wanda ke haifar da canjin wutar lantarki na Hall ɗin, kuma ɓangaren Hall ɗin zai fitar da matakin millivolt (mV) na ƙarfin lantarki na quasi-sine. Hakanan ana buƙatar canza wannan siginar ta hanyar da'irar lantarki zuwa daidaitaccen ƙarfin bugun bugun jini.
Shigar
(1) Tambarin zobe
Zoben hakori da zobe na ciki ko mandrel na rukunin cibiyar suna ɗaukar dacewa da tsangwama. A cikin aikin harhada naúrar cibiyar, ana haɗa zoben haƙori da zobe na ciki ko mandrel tare da matsi mai.
(2) Shigar da firikwensin
Daidaita tsakanin firikwensin da zobe na waje na rukunin cibiyar shine tsangwama dacewa da kulle goro. Na'urar firikwensin saurin dabaran madaidaiciya galibi nau'in kulle goro ne, kuma firikwensin saurin dabaran zobe yana ɗaukar dacewa da tsangwama.
Nisa tsakanin saman ciki na maganadisu na dindindin da haƙoran haƙora na zobe: 0.5 ± 0.15 mm (yafi ta hanyar kula da diamita na waje na zobe, diamita na ciki na firikwensin da haɓaka)
(3) Gwajin gwajin yana amfani da ƙarfin fitarwa na ƙwararrun ƙwararrun ƙwararru da nau'in igiyar ruwa a wani ƙayyadadden gudu, kuma firikwensin linzamin ya kamata ya gwada ko gajeriyar kewayawa;
gudun: 900rpm
Bukatar ƙarfin lantarki: 5.3 ~ 7.9 V
Bukatun Waveform: tsayayyen igiyar ruwa
Gano wutar lantarki
Ganewar wutar lantarki
Abubuwan dubawa:
1, ƙarfin fitarwa: 650 ~ 850mv (1 20rpm)
2, siginar fitarwa: tsayayyen igiyar ruwa
Na biyu, abs firikwensin gwajin ɗorewa mai ƙarancin zafin jiki
Ajiye firikwensin a 40 ° C na tsawon awanni 24 don gwada ko firikwensin abs zai iya cika buƙatun aikin lantarki da rufewa na amfani na yau da kullun.
Me yasa firikwensin abs yake da sauƙin karya
Dalilan da yasa firikwensin ABS ke da sauƙin lalacewa musamman sun haɗa da ɓangaren shigar da aka rufe, layin yana kwance da ingancin firikwensin kanta. Cikakkun bayanai sune kamar haka:
An rufe ɓangaren ji: lokacin da ɓangaren ji na firikwensin ABS ya rufe da datti, ƙura ko wasu jikin waje, zai tsoma baki tare da fitowar siginar firikwensin, wanda zai haifar da kwamfutar ta kasa yin hukunci daidai da saurin, wanda zai haifar da sauri. tasiri na al'ada aiki na birki tsarin.
Layin sako-sako: Haɗin layin firikwensin ba shi da ƙarfi ko mai haɗawa ya yi sako-sako, wanda zai haifar da mummunan watsa sigina, yana haifar da kurakuran tsarin. Laifin gama gari shine hasken kuskure yana kunne.
Ingancin na'urar firikwensin kanta: idan ingancin firikwensin ABS ba shi da kyau, yana iya shafar kwanciyar hankali na siginar fitarwa, sannan kuma yana shafar tsarin ABS da amincin tuki.
Wadannan abubuwan na iya haifar da firikwensin ABS ya lalace cikin sauƙi, don haka yayin amfani da kulawa, ya kamata a biya hankali don kiyaye tsaftar firikwensin da duba yanayin haɗin layin don tabbatar da amincin tuki.
Idan kana son ƙarin sani, ci gaba da karanta sauran labaran kan wannan rukunin yanar gizon!
Da fatan za a kira mu idan kuna buƙatar irin waɗannan samfuran.
Zhuo Meng Shanghai Auto Co., Ltd. ya jajirce don siyar da sassan motoci na MG&MAUXS maraba da siyarwa.
