Sensa ya ABS.
Sensa ya Abs imagwiritsidwa ntchito mu ABS yagalimoto (Anti-lock Braking System). Mu dongosolo la ABS, liwiro limayang'aniridwa ndi sensa yoyambitsa. Sensa ya Abs imatulutsa zizindikiro zamagetsi za AC zomwe zimakhala ngati sinusoidal kudzera mu ntchito ya mphete ya giya yomwe imazungulira mogwirizana ndi gudumu, ndipo mafupipafupi ake ndi kukula kwake zimagwirizana ndi liwiro la gudumu. Chizindikiro chotulutsa chimatumizidwa ku ABS electronic control unit (ECU) kuti chiziyang'anira liwiro la gudumu nthawi yeniyeni.
1, sensa yothamanga ya gudumu lolunjika
Sensa yothamanga ya mawilo a mzere imapangidwa makamaka ndi maginito okhazikika, pole axis, induction coil ndi tooth ring. Pamene giya likuzungulira, nsonga ya giya ndi backlash zimasinthasintha motsatizana ndi polar axis. Panthawi yozungulira giya, maginito mkati mwa induction coil amasintha motsatizana kuti apange induction electromotive force, ndipo chizindikirochi chimalowetsedwa ku electronic control unit ya ABS kudzera mu chingwe kumapeto kwa induction coil. Pamene liwiro la giya likusinthasintha, kuchuluka kwa mphamvu yoyendetsera electromotive yomwe yayambitsidwa kumasinthanso.
2, sensa ya liwiro la gudumu lozungulira
Sensa yothamanga ya mawilo angular imapangidwa makamaka ndi maginito okhazikika, cholumikizira cha induction ndi mphete ya dzino. Maginito okhazikika amapangidwa ndi mapeyala angapo a maginito. Pakuzungulira kwa mphete ya giya, mphamvu ya maginito mkati mwa cholumikizira cha induction imasintha mosinthana kuti ipange mphamvu ya induction electromotive. Chizindikiro ichi chimalowetsedwa ku chipangizo chowongolera zamagetsi cha ABS kudzera mu chingwe chomwe chili kumapeto kwa cholumikizira cha induction. Pamene liwiro la mphete ya giya lisintha, kuchuluka kwa mphamvu ya electromotive yomwe imayambitsa imasinthanso.
3, Sensor ya liwiro la gudumu la mtundu wa Hall
Giya ikapezeka pamalo omwe akuwonetsedwa mu (a), mizere ya maginito yomwe imadutsa mu Hall element imafalikira ndipo mphamvu ya maginito imakhala yofooka; Giya ikapezeka pamalo omwe akuwonetsedwa mu (b), mizere ya maginito yomwe imadutsa mu Hall element imakhala yokhazikika ndipo mphamvu ya maginito imakhala yamphamvu. Giya ikazungulira, kuchuluka kwa mphamvu ya maginito yomwe imadutsa mu Hall element kumasintha, zomwe zimapangitsa kuti mphamvu ya Hall isinthe, ndipo gawo la Hall limatulutsa mulingo wa millivolt (mV) wa quasi-sine wave voltage. Chizindikiro ichi chimafunikanso kusinthidwa ndi electronic circuit kukhala voltage yokhazikika ya pulse.
Kodi sensa yosweka ya m'mimba yakumbuyo imakhudza ma drive anayi?
Mwina
Kuwonongeka kwa sensa ya ABS yakumbuyo kungakhudze makina oyendetsa mawilo onse, makamaka ngati makina oyendetsa mawilo onse ali ndi loko yosiyana. Izi zili choncho chifukwa sensa ya mawilo akumbuyo imagwira ntchito yofunika kwambiri mu anti-lock braking system (ABS), ikawonongeka, makina a ABS sangazindikire bwino liwiro ndi momwe mawilo alili, zomwe zimakhudza mphamvu yake yoyendetsera mawilo, ndipo zitha kupangitsa kuti mawilo atsekedwe panthawi yoyendetsa mawilo, zomwe zimawonjezera chiopsezo choyendetsa. Kuphatikiza apo, ngati makina oyendetsa mawilo anayi ali ndi ntchito yosiyana yotseka mawilo, kuwonongeka kwa sensa ya mawilo akumbuyo kungayambitse kuti loko yosiyana isagwire ntchito bwino, zomwe zingakhudze momwe makina oyendetsa mawilo anayi amagwirira ntchito. Chifukwa chake, ngakhale kuwonongeka kwa sensa ya mawilo akumbuyo sikungakhudze mwachindunji ntchito yoyambira ya makina oyendetsa mawilo anayi, kuti zitsimikizire kuti kuyendetsa kuli kotetezeka, tikukulimbikitsani kukonza kapena kusintha sensa yowonongekayo pakapita nthawi.
Sensa ya mawilo akumbuyo ya ABS ikhoza kulephera chifukwa cha kuwonongeka.
Kulephera kwa sensa ya ABS kumaphatikizapo kuwala kwa ABS pa dashboard, ABS sikugwira ntchito bwino, ndi kuwala kowongolera mphamvu. Kulephera kumeneku kungayambitsidwe ndi masensa kutha, kulekanitsidwa, kapena kugwidwa ndi zinyalala. Makamaka sensa ya ABS ya gudumu lakumbuyo, ngati zidutswa zachitsulo zopangidwa ndi kupukutidwa kwa brake disc ndi brake pad zilowetsedwa ndi maginito, zingayambitse mtunda pakati pa sensa ndi magnet coil kukhala wocheperako, kapena ngakhale kuwonongeka, pamapeto pake kumabweretsa kuwonongeka kwa sensa.
Kuti mudziwe ngati sensa ya ABS yawonongeka, itha kuzindikirika pogwiritsa ntchito njira zotsatirazi:
Werengani khodi yolakwika ya chipangizo chozindikira zolakwika: Ngati pali khodi yolakwika mu kompyuta ya ABS, ndipo kuwala kwa cholakwika pa chipangizocho kuli koyatsidwa, izi zitha kusonyeza kuti sensa yawonongeka.
Mayeso a mabuleki a m'munda: pamalo abwino pamsewu, pamalo otakata komanso opanda anthu, limbitsani liwiro mpaka kupitirira 60, kenako ikani mabuleki kumapeto. Ngati gudumu latsekedwa ndipo palibe vuto la mabuleki, izi zitha kusonyeza kulephera kwa ABS, nthawi zambiri kumachitika chifukwa cha kuwonongeka kwa sensa ya ABS.
Gwiritsani ntchito multimeter kuti muyese mphamvu ya magetsi/kukana kwa sensa ya ABS: Tembenuzani gudumu pa 1r/s, mphamvu yotulutsa ya gudumu lakutsogolo iyenera kukhala pakati pa 790 ndi 1140mv, gudumu lakumbuyo liyenera kukhala lokwera kuposa 650mv. Kuphatikiza apo, mphamvu yotsutsa ya masensa a ABS nthawi zambiri imakhala pakati pa 1000 ndi 1300Ω. Ngati miyeso iyi siikwaniritsidwa, ingasonyeze vuto ndi sensa ya ABS 34.
Mwachidule, ngati pali vuto ndi sensa ya ABS yakumbuyo, choyamba muyenera kuyang'ana ngati pali kuwonongeka kwakuthupi, monga kusweka kapena kuwonongeka koonekeratu. Ngati palibe kuwonongeka kwakuthupi koonekeratu, kuwonongeka kwa magwiridwe antchito chifukwa cha kuwonongeka kapena zifukwa zina zitha kuzindikirikanso ndi njira zomwe zili pamwambapa.
Ngati mukufuna kudziwa zambiri, pitirizani kuwerenga nkhani zina patsamba lino!
Chonde tiimbireni foni ngati mukufuna zinthu zotere.
Zhuo Meng Shanghai Auto Co., Ltd. yadzipereka kugulitsa zida zamagalimoto za MG&MAUXS zomwe zikulandiridwa kugula.
