Mfundo yogwirira ntchito ya resistor ya blower motor
Choletsa mphamvu ya injini ya blower chimawongolera liwiro la injini ya blower mwa kusintha kukula kwa mphamvu yamagetsi, motero chimayang'anira liwiro la mphepo yoziziritsa mpweya. Kwenikweni, ndi choletsa mphamvu yamagetsi chomwe chimachepetsa mphamvu yamagetsi mwa kuwonjezera kapena kuchepetsa mphamvu ya mphamvu yamagetsi, zomwe zimapangitsa kuti kusintha kuchoka pa liwiro lotsika kupita pa liwiro lalikulu kuchitike. Nayi kufotokozera mwatsatanetsatane:
Kodi choletsa chimawongolera bwanji liwiro la mphepo?
Pakatikati pa choletsa mphamvu yamagetsi (blower motor resistor) ndi kuletsa mphamvu yamagetsi kuyenda. Mphamvu yamagetsi ikachepa, mphamvu yamagetsi imazungulira pang'onopang'ono; mphamvu yamagetsi ikakula, imazungulira mofulumira. Makamaka, imagawidwa m'magawo atatu:
Liwiro la mphepo lochepa (monga giya loyamba): Mphamvu yamagetsi imadutsa mu ma resistors angapo (nthawi zambiri 3), mphamvu yamagetsi ndiyo yayikulu kwambiri, mphamvu yamagetsi ndiyo yaying'ono kwambiri, ndipo mota yopumira imazungulira pa liwiro lochepa.
Liwiro la mphepo yapakati (monga giya yachiwiri mpaka yachitatu): Mphamvu yamagetsi imadutsa mu ma resistors ochepa (2 kapena 1), mphamvu yamagetsi imachepa, mphamvu yamagetsi imawonjezeka, ndipo injini yopumira imathamanga.
Liwiro la mphepo yamphamvu (monga giya lachinayi): Mphamvu yamagetsi imadutsa ma resistors ndipo imaperekedwa mwachindunji, mphamvu yamagetsi yamagetsi ili pafupi ndi zero, mphamvu yamagetsi ndiyo yayikulu kwambiri, ndipo mota yopumira imazungulira pa liwiro lonse.
Kodi pali kusiyana kotani pakati pa njira zachikhalidwe ndi zamakono zowongolera?
Kulamulira kwachikhalidwe kwa resistor: Kumadalira ma switch enieni kuti asinthe ma resistor. Mwachitsanzo, chogwirira pa air conditioner panel chimasankha mwachindunji chiwerengero cha resistor zotsatizana, zomwe ndi zosavuta koma zosagwira ntchito bwino (gawo la mphamvu yamagetsi limasinthidwa kukhala kutentha ndikuwonongeka).
Kuwongolera kwamakono kwa PWM: Kumagwiritsidwa ntchito kwambiri m'magalimoto atsopano kuti azitha kusintha ndi zizindikiro za pulse (PWM). Chip ya kompyuta yoziziritsira mpweya imatumiza zizindikiro kuti ilamulire nthawi yozimitsa ya ma switch amagetsi (monga MOSFET), kusintha molakwika mphamvu yotulutsa ndi liwiro, zomwe zimakhala zolondola komanso zosunga mphamvu.
Kodi chimachitika n'chiyani ngati chotsukiracho chasweka?
Ngati chotetezera chayaka kapena sichikugwirizana bwino, mota ya chopukusira imatha kugwira ntchito pa giya yapamwamba kwambiri (yomwe imayenda molunjika) kapena yopanda mphepo konse (yomwe imayendetsedwa ndi fuse).
Chotsukira choyatsira moto chingakonzedwe, koma nthawi zambiri chimalimbikitsidwa kuti chisinthidwe ndi china chatsopano chifukwa chingayambenso kuzima kapena kukhala ndi zoopsa zachitetezo mutachikonza. Nayi kusanthula ndi malingaliro enaake:
Njira yokonzera (pa nthawi yadzidzidzi yokha)
Ngati chotsukiracho chatenthedwa pang'ono (monga cholumikizira chosweka chomwe chikutuluka), mutha kuyesa kuchikonza:
Kuzimitsa magetsi: Choyamba chotsani batire ya galimoto kuti mupewe ngozi za short circuit.
Lumikizani cholumikizira chosasunthika: Gwiritsani ntchito chitsulo chosungunula ndi chosungunula kuti mulumikizanenso pepala lamkuwa la chotsukira, ndikulikanikiza mwamphamvu lisanazizire (kupanda kutero chosungunula chingawuluke).
Yesani zotsatira zake: Mukakhazikitsanso, yambani choziziritsira mpweya ndikuwona ngati mphamvu ya magiya 1 mpaka 3 yabwerera.
Dziwani: Chotsukira chomwe chakonzedwa chingayambenso kuzima chifukwa cha ukalamba kapena mavuto otaya kutentha, ndipo kugwiritsa ntchito molakwika kungawononge dera.
Nchifukwa chiyani tikulimbikitsidwa kusintha resistor yatsopano?
Otetezeka komanso odalirika: Chotsukira chokonzedwacho chimatha kubwerezabwereza zolakwika, pomwe kusintha gawo latsopano kumatha kuthetsa vutoli bwino.
Ntchito yosavuta: Kwa mitundu yambiri, resistor ili kumbuyo kwa bokosi la magolovesi okwera, ndipo ikhoza kusinthidwa pochotsa zomangira ziwiri (zimatenga pafupifupi mphindi 30).
Kupewa kuwonongeka komwe kumachitika: Kutopa kwa resistor nthawi zambiri kumachitika chifukwa cha kukana kwambiri kwa injini. Kusasintha resistor yatsopano kungawononge mota yophulitsira kapena fuse.
DIY kapena shopu ya akatswiri?
Zoyenera kuchita nokha: Muyenera kukonza wrench ya Allen ndi chitsulo chosungunula (cha ogwiritsa ntchito odziwa bwino ntchito okha), ndipo onani kanema wokonza wa chitsanzo chanu.
Choletsa mpweya chopumira ndi gawo lofunika kwambiri mu dongosolo la mpweya wopumira m'galimoto lomwe limalamulira liwiro la mpweya wopumira. Kulephera kwake kudzakhudza kugwiritsa ntchito mpweya wopumira mwachizolowezi. Zomwe zili pansipa zikuchokera pazochitika zofala.
Zizindikiro zazikulu za kulephera kwa resistor ya blower motor ndi izi:
Kuwongolera voliyumu ya mphepo kosazolowereka: Chizindikiro chodziwika bwino ndichakuti palibe mphepo kapena mphepo yofooka m'magiya othamanga pang'ono (monga giya loyamba, lachiwiri, ndi lachitatu), pomwe giya lothamanga kwambiri (giya lachinayi) ndi labwinobwino. Izi zili choncho chifukwa magiya othamanga pang'ono amakwaniritsa kulamulira liwiro kudzera mu kugawa kwa magetsi a resistor, ndipo resistor ikawonongeka, singathe kusintha magiya, zomwe zimapangitsa kuti isathe kusintha voliyumu ya mphepo kapena voliyumu yomweyo ya mphepo m'magiya onse.
Mota yofukula sigwira ntchito kapena imagwira ntchito molakwika: Ikhoza kuonekera ngati mota yosazungulira, kuzungulira pang'onopang'ono, kuyamba kovuta, kapena kutsagana ndi mawu osadziwika bwino (monga kung'ung'udza kapena kudina), zomwe nthawi zambiri zimayenderana ndi kutopa kwa resistor, kuwonongeka kwa mabearing, kapena zinthu zakunja zomwe zimamatirira m'masamba.
Mavuto okhudzana ndi dongosolo: Nthawi zambiri, kulephera kwa resistor kungayambitse kuchuluka kwa magetsi, zomwe zimapangitsa kuti fuse iphulike, ECU error, kapena kuyatsa magetsi a injini.
Zifukwa zazikulu zomwe zimapangitsa kuti magetsi alephereke ndi izi: Kuwonongeka kwa kutentha kwambiri: Ngati chotetezera chigwira ntchito kwa nthawi yayitali popanda kutentha koyenera, kapena ngati chotetezera cha fan chatha kapena fumbi litasonkhana pa masamba, zomwe zimapangitsa kuti magetsi azigwira ntchito kwambiri ndikupangitsa kuti magetsi azigwira ntchito mopitirira muyeso, chotetezeracho chingatenthe kwambiri ndikuzima.
Mphamvu yamagetsi yosazolowereka: Kulephera kwa injini ya fan (monga kugwedezeka kwamkati kapena kuwonongeka kwa armature) kungayambitse mphamvu yamagetsi yochulukirapo, zomwe zimapangitsa kuti resistor ikule msanga; ma fuse specifications olakwika kapena ma circuit short circuit angayambitsenso kukwera kwamagetsi kosazolowereka.
Mavuto a khalidwe la resistor yokha: Mphamvu yosakwanira, khalidwe loipa la zinthu, kapena kuwotcherera momasuka (monga malo olumikizirana omasuka) zimachepetsa kulimba.
Zinthu zokhudzana ndi chilengedwe ndi kukonza: Chinyezi chochuluka, fumbi lochuluka, kapena mpweya woipa pamalo oyikapo zingakhudze moyo wa resistor; kusowa kosamalira nthawi zonse (monga kusayeretsa malo olowera mpweya) kungapangitse kuti pakhale ngozi yoti iwonongeke.
Kuzindikira ndi njira zothetsera vutoli ndi izi:
Kuyang'ana koyambirira: Choyamba, yang'anani fuse (nthawi zambiri imakhala m'bokosi la fuse pansi pa phazi la dalaivala), kenako gwiritsani ntchito multimeter kuti muyese voltage pa fan plug. Ngati ndi 12V koma motayo sizungulira, motayo ikhoza kuwonongeka; ngati mtengo wotsutsa womwe umayesedwa ndi resistor ndi zero kapena wopanda malire, uyenera kusinthidwa.
Chithandizo Chosavuta: Phokoso losazolowereka lingayambitsidwe ndi zinthu zakunja zomwe zakodwa mu masamba. Chotsani bokosi losungiramo zinthu kumbuyo kwa galimoto (lomwe limafuna zomangira zitatu za T20), yeretsani zinyalala, ndikudzola mafuta pa mabearing. Ngati mpweya uli woipa, yang'anani kwambiri kuti muwone ngati magiya oyamba, achiwiri, ndi achitatu ali ndi vuto.
Malangizo osinthira: Mukatsimikizira cholakwika, sinthani chotsutsa choyambirira. Izi ndizotsika mtengo, koma ntchitoyo imafuna dera ndipo imafuna kusamala. Ndikofunikira kuti chisamaliridwe ndi katswiri wokonza kuti chisawonongeke.
Kukonza nthawi zonse kungathandize kuchepetsa mavuto:
Tsukani fumbi lochokera ku mpweya wa fan ndi masamba ake nthawi zonse kuti musatseke.
Onetsetsani ngati malo oyikapo fan ali ndi mpweya wabwino kuti kutentha kusatayike bwino.
Pakani mafuta pa mabearing a mota nthawi zonse ndipo gwiritsani ntchito ma fuse oyambira kapena ofanana nawo.
Ngati mpweya kapena phokoso lachilendo lapezeka, likonzeni mwachangu kuti mavuto ang'onoang'ono asakule kwambiri.
Ngati mukufuna kudziwa zambiri, pitirizani kuwerenga nkhani zina patsamba lino!
Chonde tiimbireni foni ngati mukufuna zinthu zotere.
Malingaliro a kampani Zhuo Meng Shanghai Auto Co., Ltd. yadzipereka kugulitsa MG&MAXUSzida zamagalimoto zalandiridwa kugula.
