Yuav Ua Li Cas Ntsuas Cov Hluav Taws Xob Regulator (Cov Lus Qhia)
Txheem
Kev tswj hluav taws xob yog qhov tseem ceeb hauv txhua qhov hluav taws xob. Yog tias tsis muaj kev tswj hwm hluav taws xob lossis qhov muaj qhov ntsuas hluav taws xob, cov khoom siv hluav taws xob (siab) overloads hluav taws xob tshuab. Voltage regulators ua hauj lwm tib yam li linear regulators.
Lawv xyuas kom meej tias lub tshuab hluav taws xob tso zis tswj qhov kev them nqi hluav taws xob nyob rau hauv qhov ntsuas qhov ntsuas hluav taws xob. Yog li, lawv tiv thaiv lub zog hluav taws xob hauv lub tsheb hluav taws xob.
Nrog rau qhov no nyob rau hauv lub siab, nws yog ib qho tseem ceeb kom nquag xyuas cov xwm txheej ntawm koj lub tsheb lub voltage regulator.
Hauv phau ntawv qhia no, kuv yuav qhia koj txog tag nrho cov txheej txheem ib kauj ruam. Thov nyeem nws mus rau qhov kawg thiab koj yuav kawm yuav ua li cas los ntsuas qhov ntsuas hluav taws xob nrog lub multimeter.
Feem ntau, txhawm rau ntsuas koj qhov ntsuas hluav taws xob, teeb tsa koj lub multimeter los ntsuas volts thiab txuas rau lub roj teeb los xyuas nws qhov voltage. Xyuas kom tseeb tias koj lub tsheb tawm thaum kuaj xyuas lub roj teeb voltage. Ua tib zoo mloog rau kev nyeem ntawv multimeter, uas yog, qhov voltage ntawm koj lub roj teeb - qhov voltage yuav tsum tshaj 12V, txwv tsis pub koj lub roj teeb yuav poob. Tam sim no tig rau koj lub tsheb lub cav. Qhov kev nyeem ntawv voltage yuav tsum nce siab tshaj 13V. Yog tias nws poob qis dua 13V, ces koj lub tsheb qhov voltage regulator muaj teeb meem kev.
Automotive Voltage Regulator Test Cov cuab yeej
Koj yuav xav tau cov cuab yeej hauv qab no los ntsuas koj lub tsheb qhov hluav taws xob regulator:
- tsheb roj teeb
- Digital multimeter nrog kev sojntsuam
- Roj teeb clamps
- Ua haujlwm pab dawb (1)
Txoj Kev 1: Tsheb Voltage Regulator Check
Tam sim no cia peb kuaj xyuas qhov xwm txheej ntawm koj lub tsheb qhov hluav taws xob regulator los ntawm kev sim nws nrog multimeter. Txhawm rau ua qhov no, koj yuav tsum xub teeb tsa koj lub multimeter.
Kauj ruam 1: Teeb koj lub multimeter
- Tig lub pob qhov rooj xaiv los kho qhov voltage - ntu no feem ntau sau tias "∆V lossis V". V daim ntawv lo tuaj yeem muaj ntau kab rau saum.
- Tom qab ntawd teeb koj lub multimeter mus rau 20V. Koj tuaj yeem ua rau koj lub tshuab hluav taws xob puas tsuaj yog tias koj lub multimeter nyob hauv "Ohm Amp" qhov chaw.
- Ntxig cov hlau lead liab rau hauv qhov chaw nres nkoj cim V thiab cov hlau lead dub rau hauv qhov chaw nres nkoj cim COM.
- Tam sim no kho koj lub multimeter los ntawm kev kuaj xyuas cov kev sojntsuam. Lub multimeter yuav beep yog tias nws ua haujlwm zoo.
Kauj ruam 2. Tam sim no txuas lub multimeter coj mus rau lub tsheb roj teeb.
Tam sim no tua koj lub cav tsheb thiab txuas lub multimeter coj raws li. Qhov kev sojntsuam dub txuas mus rau lub davhlau ya nyob twg roj teeb dub thiab qhov kev sojntsuam liab mus rau lub davhlau ya nyob twg liab.
Koj yuav tsum tau txais kev nyeem ntawv ntawm koj lub roj teeb voltage. Nws yuav qhia rau koj paub yog tias koj lub roj teeb tsis ua haujlwm lossis nyob rau hauv qhov kev pom zoo.
Tom qab txuas cov probes, nyeem cov ntawv nyeem multimeter. Tus nqi tau txais yuav tsum conditionally tshaj 12 V nrog lub cav tawm. 12V txhais tau hais tias lub roj teeb zoo. Txawm li cas los xij, cov nqi qis dua txhais tau tias koj lub roj teeb tsis zoo. Hloov nws nrog lub roj teeb tshiab lossis zoo dua.
Kauj Ruam 3: Qhib lub cav
Muab koj lub tsheb tso rau hauv chaw nres tsheb lossis nruab nrab. Siv cov brakes thaum muaj xwm ceev thiab pib lub cav tsheb. Nyob rau hauv cov ntaub ntawv no, lub multimeter probes yuav tsum tau txuas nrog lub tsheb roj teeb, rau qhov no koj yuav siv tau cov roj teeb clamps.
Tam sim no kos lub cim thaiv ntawm lub multimeter. Qhov ntsuas hluav taws xob yuav tsum nce los ntawm qhov ntsuas hluav taws xob (thaum lub tsheb tawm, lub roj teeb voltage) txog li 13.8 volts. Tus nqi kwv yees li 13.8V yog qhov qhia txog kev noj qab haus huv ntawm lub tshuab hluav taws xob voltage regulator. Txhua tus nqi qis dua 13.8 txhais tau tias koj qhov ntsuas hluav taws xob tsis ua haujlwm zoo.
Lwm qhov yuav tsum tau saib xyuas yog qhov tsis tu ncua lossis hloov pauv siab lossis qis tso zis voltage. Nws kuj txhais tau hais tias koj qhov hluav taws xob tswj hluav taws xob tsis ua haujlwm zoo.
Kauj Ruam 4: RPM koj lub tsheb
Koj yuav xav tau lwm tus los pab koj ntawm no. Lawv yuav tig lub cav thaum koj ua raws li kev nyeem ntawv multimeter. Koj tus khub yuav tsum maj mam nce qhov nrawm mus rau 1,500-2,000 rpm.
Ua tib zoo nyeem cov lus ntawm multimeter. Ib tug voltage regulator nyob rau hauv zoo yuav tsum muaj txog 14.5 volts. Thiab ib qho kev nyeem ntawv saum toj no 14.5 volts txhais tau tias koj qhov ntsuas hluav taws xob tsis zoo.
Txoj Kev 2: Kev ntsuas 3-pin voltage regulator
Peb-theem fais fab mov ua haujlwm los ntawm kev them lub roj teeb los hloov qhov hluav taws xob los ntawm hluav taws xob. Nws muaj cov tswv yim, ntau thiab cov khoom tso tawm. Nws converts alternating tam sim no rau direct tam sim no, uas yog feem ntau pom nyob rau hauv maus taus. Ua raws li cov kauj ruam hauv qab no txhawm rau txheeb xyuas peb-theem rectifier voltage ntawm lub terminals.
- Xyuas kom tseeb tias koj lub multimeter tseem teeb tsa.
- Tam sim no coj koj multimeter coj thiab ntsuas qhov hluav taws xob ntawm koj li peb-theem voltage regulator.
- Peb-theem regulator muaj 3 "sab ceg", xyuas txhua theem.
- Ntxig cov probes rau hauv ob txhais ceg raws li nram no: ntsuas 1st ceg cu2nd ib ,1st ceg cu3rd, thiab thaum kawg 2nd ceg cu3rd ob txhais ceg
- Nco ntsoov nyeem ntawv multimeter ntawm txhua kauj ruam. Koj yuav tsum tau txais tib qhov kev nyeem ntawv rau tag nrho peb theem. Txawm li cas los xij, yog tias qhov sib txawv ntawm qhov kev nyeem ntawv yog qhov tseem ceeb, mus rau kev kho. Qhov no txhais tau tias koj qhov hluav taws xob peb-theem rectifier tsis ua haujlwm zoo.
- Tam sim no mus tom ntej thiab sim txhua theem rau hauv av. Lub sijhawm no tsuas yog xyuas kom muaj kev nyeem ntawv, tsis muaj nyeem txhais tau tias muaj qhov txuas qhib. (2)
Ua tib zoo saib qee qhov ntawm peb cov lus hauv qab no.
- Yuav ua li cas siv ib tug multimeter los xyuas qhov voltage ntawm nyob ntawm tej
- Yuav ua li cas yuav tsum tau ib tug 6-volt roj teeb qhia rau ib tug multimeter
- Yuav ua li cas ntsuas DC voltage nrog multimeter
tswv yim pom zoo
(1) pab dawb - https://www.helpguide.org/articles/healthy-living/volunteering-and-its-surprising-benefits.htm
(2) nyeem - https://www.healthline.com/health/benefits-of-reading-books
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