Nyob rau hauv cov tsheb niaj hnub thiab tsheb npav, cov khoom siv teeb pom kev sib xyaw ua ke - thaiv lub teeb taub hau - tau siv dav.Nyeem txog dab tsi lub teeb taub hau yog dab tsi, nws txawv ntawm lub teeb taub hau li cas, hom dab tsi, nws ua haujlwm li cas, nrog rau kev xaiv ntawm cov cuab yeej no - nyeem hauv kab lus no.
Lub teeb taub hau yog dab tsi?
Lub headlamp unit yog lub teeb pom kev zoo hluav taws xob uas muaj lub teeb taws thiab qee qhov (lossis tag nrho) ntawm cov teeb liab teeb yuav tsum nyob rau pem hauv ntej ntawm lub tsheb.Lub teeb taub hau yog ib qho qauv tsim, nws yooj yim rau nruab thiab rhuav tshem, txuag chaw thiab muab qhov zoo nkauj ntawm lub tsheb.
Lub teeb taub hau tuaj yeem ua ke ntau yam khoom ntawm tsheb teeb pom kev zoo:
• Dipped taub hau;
• High beam headlights;
• Kev taw qhia qhia;
• Lub teeb nres tsheb pem hauv ntej;
• Lub teeb ua haujlwm nruab hnub (DRL).
Cov teeb pom kev zoo tshaj plaws nrog qis thiab siab beam, taw qhia kev taw qhia thiab sab teeb, DRL yooj yim dua rau nruab hauv qab theem ntawm lub teeb taub hau, qhov no lawv ua raws li cov cai ntawm GOST.Lub teeb pos huab tsis tau muab tso rau hauv lub teeb taub hau, vim tias lawv tsis tas yuav teeb tsa lub tsheb.
Hom thiab yam ntxwv ntawm lub teeb taub hau
Lub teeb taub hau tuaj yeem muab faib ua pawg raws li lub hauv paus ntsiab lus ntawm lub teeb teeb tsim siv hauv lub taub hau optics, kev teeb tsa thiab tus naj npawb ntawm cov teeb pom kev zoo, hom teeb pom kev zoo (teeb) thiab qee qhov qauv tsim.
Raws li tus naj npawb ntawm cov teeb pom kev zoo, lub teeb taub hau tau muab faib ua ntau hom:
• Txheem - lub teeb taub hau suav nrog lub taub hau optics, qhov taw qhia kev taw qhia thiab lub teeb nres pem hauv ntej;
• Txuas ntxiv - ntxiv rau cov khoom siv teeb pom kev zoo saum toj no, DRLs suav nrog hauv lub teeb taub hau.
Nyob rau tib lub sijhawm, thaiv lub teeb taub hau tuaj yeem muaj qhov sib txawv ntawm cov teeb pom kev zoo:
• Lub taub hau optics - ib qho kev sib xyaw ua ke ntawm cov teeb pom kev qis thiab siab siab, cais cov teeb pom kev zoo rau cov kab teeb ci qis thiab siab, nrog rau kev sib xyaw ua ke ntawm lub teeb taub hau thiab lub teeb taws siab ntxiv tuaj yeem siv tau;
• Pem hauv ntej chaw nres tsheb teeb - tuaj yeem ua tau nyob rau hauv ib ntu ntawm lub teeb taub hau (muaj nws tus kheej reflector thiab diffuser), los yog nyob ncaj qha rau hauv lub teeb taub hau, nyob ib sab ntawm lub teeb tseem ceeb;
• Lub teeb ua haujlwm nruab hnub - tuaj yeem ua rau cov teeb ntawm tus kheej hauv lawv tus kheej ntu ntawm lub teeb taub hau, tab sis feem ntau lawv siv daim kab xev rau hauv qab ntawm lub teeb taub hau lossis lub nplhaib nyob ib ncig ntawm lub taub hau.Raws li txoj cai, LED DRLs yog siv rau hauv cov teeb taws teeb.
Raws li lub hauv paus ntsiab lus ntawm kev tsim ib lub teeb beam nyob rau hauv lub taub hau optics ntawm lub headlights, chav tsev, zoo li cov pa, muab faib ua ob pawg loj:
• Reflective (reflex) - qhov yooj yim tshaj plaws teeb pom kev zoo fixtures siv nyob rau hauv automotive technology rau ntau xyoo lawm.Xws li lub teeb taub hau yog nruab nrog lub parabolic lossis ntau dua qhov cuam tshuam (reflector), uas sau thiab qhia txog lub teeb ntawm lub teeb rau pem hauv ntej, ua kom muaj kev tsim ntawm qhov tsim nyog txiav tawm ciam teb;
• Cov teeb pom kev (qhov projection, lensed) - ntau yam khoom siv uas tau dhau los ua neeg nyiam hauv kaum xyoo dhau los.Xws li lub teeb taub hau muaj lub ntsej muag elliptical thiab lub lens ntsia rau pem hauv ntej ntawm nws, tag nrho cov kab ke no khaws lub teeb los ntawm lub teeb thiab tsim ib lub teeb muaj zog nrog rau qhov tsim nyog txiav tawm.
Reflective headlights yog qhov yooj yim dua thiab pheej yig dua, tab sis cov teeb pom kev tsim lub teeb muaj zog dua, muaj qhov me me.Kev loj hlob ntawm cov teeb pom kev zoo kuj yog vim qhov tseeb tias lawv zoo tshaj plaws rau xenon teeb.
Lenticular optics
Raws li hom teeb pom kev zoo siv, thaiv lub teeb taub hau tuaj yeem muab faib ua plaub hom:
• Rau incandescent teeb - qub headlights ntawm domestic tsheb, uas niaj hnub no tsuas yog siv rau kho;
• Rau cov teeb halogen - cov teeb pom kev zoo tshaj plaws niaj hnub no, lawv muab cov nqi qis, siab luminous flux zog thiab kev ntseeg tau;
• Rau roj-tso xenon teeb - niaj hnub kim headlights uas muab qhov zoo tshaj plaws brightness ntawm illumination;
• Rau cov teeb ci LED - lub teeb pom kev tsawg tshaj plaws niaj hnub no, lawv muaj tus nqi siab dua, txawm tias lawv ruaj khov thiab txhim khu kev qha.
Lub teeb taub hau niaj hnub uas ua tau raws li cov qauv tam sim no tau muab faib ua ob hom raws li hom kev taw qhia kev sib xyaw ua ke:
• Kev taw qhia taw qhia nrog pob tshab (dawb) diffuser - lub teeb nrog lub teeb pom kev zoo yuav tsum tau siv rau hauv lub teeb taub hau;
• Kev taw qhia taw qhia nrog lub diffuser daj - xws li lub taub hau siv lub teeb nrog pob tshab (tsis pleev xim) qhov muag teev.
Thaum kawg, lub teeb thaiv lub taub hau ntawm kev ua lag luam muaj feem xyuam, feem ntau ntawm cov khoom siv no tsuas tuaj yeem ntsia tau rau hauv cov tsheb ntawm tib cov qauv ntau, tsis tas li ntawd, qhov tsim ntawm ntau lub teeb taub hau yog tsim los ntawm tus kheej rau ib lub tsheb qauv.Tag nrho cov no yuav tsum tau coj mus rau hauv tus account thaum xaiv thiab yuav lub teeb taub hau rau lub tsheb.
Tsim thiab nta ntawm lub teeb taub hau
Txhua lub teeb taub hau niaj hnub no muaj cov qauv tsim zoo ib yam, tsuas yog sib txawv hauv cov ntsiab lus.Feem ntau, cov cuab yeej muaj cov hauv qab no:
1.Housing - lub load-bearing qauv uas tus so ntawm lub Cheebtsam yog ntsia;
2.Reflector lossis reflectors - reflectors ntawm lub taub hau lub teeb thiab lwm yam khoom siv teeb pom kev zoo, tuaj yeem ua ke rau hauv ib qho qauv lossis ua rau hauv daim ntawv ntawm cov khoom sib cais, feem ntau yog ua los ntawm cov yas thiab muaj cov iav metallized;
3.Diffuser yog ib lub iav los yog yas vaj huam sib luag ntawm cov duab complex uas tiv thaiv sab hauv ntawm lub teeb taub hau (teeb thiab lub teeb pom kev zoo) los ntawm kev cuam tshuam ib puag ncig tsis zoo, thiab koom nrog kev tsim lub teeb ci.Nws tuaj yeem ua tau khov lossis muab faib ua ntu.Sab hauv yog corrugated, qhov siab beam ntu tuaj yeem du;
4.Light qhov chaw - teeb ntawm ib hom lossis lwm yam;
5.Adjustment screws - nyob rau sab nraum qab ntawm lub teeb taub hau, tsim nyog los kho lub teeb taub hau.
Searchlight-hom headlights txawv nyob rau hauv tsim, lawv kuj muaj ib tug sau lo ntsiab muag nyob rau hauv pem hauv ntej ntawm lub reflector, raws li zoo raws li ib tug movable screen (daim ntaub, hood) nrog ib tug tsav mechanism raws li ib tug electromagnet.Lub vijtsam hloov cov luminous flux los ntawm lub teeb, muab kev hloov ntawm cov nqaj qis thiab siab.Feem ntau, xenon headlights muaj xws li kev tsim.
Tsis tas li, cov ntsiab lus ntxiv tuaj yeem nyob hauv ntau hom teeb taub hau:
• Nyob rau hauv xenon headlights - ib tug hluav taws xob chav tsev ntawm ignition thiab tswj lub xenon teeb;
• Hluav taws xob lub taub hau corrector - lub cev muaj zog rau kev kho lub teeb taub hau ncaj qha los ntawm lub tsheb, siv los ua kom tiav qhov kev coj ua ntawm lub teeb teeb tsis hais lub teeb ntawm lub tsheb thiab kev tsav tsheb.
Kev teeb tsa lub teeb taub hau ntawm lub tsheb yog ua tiav, raws li txoj cai, nrog ob los yog peb lub taub hau thiab latches los ntawm sealing gaskets, thav ntawv tuaj yeem siv los ua kom tiav cov txiaj ntsig zoo nkauj.
Nws yuav tsum raug sau tseg tias kev tsim lub teeb taub hau, lawv cov teeb tsa, cov teeb pom kev zoo thiab cov yam ntxwv yog nruj me ntsis tswj hwm, lawv yuav tsum ua raws li cov qauv (GOST R 41.48-2004 thiab qee qhov lwm tus), uas tau qhia ntawm lawv lub cev lossis diffuser.
Kev xaiv thiab kev ua haujlwm ntawm lub teeb taub hau
Kev xaiv ntawm lub teeb taub hau yog txwv, vim feem ntau ntawm cov khoom siv teeb pom kev zoo rau cov qauv tsheb sib txawv (thiab feem ntau rau ntau yam kev hloov kho ntawm tib tus qauv) tsis sib xws thiab tsis sib hloov.Yog li ntawd, koj yuav tsum yuav lub teeb taub hau ntawm cov hom thiab cov lej catalog uas tsim los rau lub tsheb tshwj xeeb no.
Ntawm qhov tod tes, muaj ib pawg loj ntawm cov teeb pom kev thoob ntiaj teb uas tuaj yeem ntsia tsis tau cov teeb pom kev zoo lossis txawm tias cov teeb pom kev zoo ntawm cov tsheb hauv tsev, tsheb thauj khoom thiab tsheb npav.Nyob rau hauv cov ntaub ntawv no, koj yuav tsum tau xyuam xim rau cov yam ntxwv ntawm lub teeb taub hau, nws configuration thiab cim.Raws li cov yam ntxwv, txhua yam yog yooj yim - koj yuav tsum xaiv lub teeb taub hau rau 12 lossis 24 V (nyob ntawm cov khoom siv hluav taws xob ntawm lub tsheb hauv lub network).Raws li kev teeb tsa muaj kev txhawj xeeb, lub teeb taub hau yuav tsum muaj cov teeb pom kev zoo uas yuav tsum muaj nyob hauv lub tsheb.
Kev saib xyuas tshwj xeeb yuav tsum tau them rau hom teeb pom kev hauv lub teeb taub hau - nws tuaj yeem yog lub teeb halogen, xenon lossis LEDs.Raws li cov qauv, xenon teeb yuav siv tau rau hauv headlamp tsim tsuas yog rau hom teeb ci no.Ntawd yog, kev teeb tsa tus kheej ntawm xenon nyob rau hauv cov teeb pom kev zoo tib yam yog txwv tsis pub - qhov no yog fraught nrog kev nplua loj.
Txhawm rau kom paub tseeb tias lub teeb taub hau sib haum nrog qee hom teeb, koj yuav tsum saib nws cov cim.Qhov ua tau ntawm kev txhim kho xenon yog qhia nyob rau hauv lub cim nrog cov ntawv DC (tsawg beam), DR (high beam) los yog DC / R (tsawg thiab siab beam).Lub teeb taub hau rau halogen teeb yog cim raws li HC, HR thiab HC / R.Tag nrho cov teeb taub hau muaj nyob rau hauv headlamp no yog cim.Piv txwv li, yog tias muaj ib lub teeb halogen thiab ib lub teeb xenon hauv lub teeb taub hau, ces nws yuav raug cim nrog hom HC / R DC / R, yog tias ib lub teeb halogen thiab ob lub teeb xenon yog HC / R DC DR, thiab lwm yam.
Nrog txoj kev xaiv ntawm lub teeb taub hau, lub tsheb yuav tau txais tag nrho cov khoom siv teeb pom kev zoo, yuav ua raws li cov cai tam sim no thiab ua kom muaj kev nyab xeeb ntawm txoj kev txhua lub sijhawm nruab hnub lossis hmo ntuj.
Post lub sij hawm: Aug-21-2023