3 Txoj Hauv Kev Ntsuam Xyuas Silicon Diode nrog Multimeter

Cov txheej txheem:

3 Txoj Hauv Kev Ntsuam Xyuas Silicon Diode nrog Multimeter
3 Txoj Hauv Kev Ntsuam Xyuas Silicon Diode nrog Multimeter
Anonim

Lub diode thaiv tam sim no los ntawm kev ntws hauv ib qho kev taw qhia, thaum tso cai rau nws kom dhau los thaum lub polarity thim rov qab. Koj tuaj yeem siv txhua lub ntsuas ntsuas los ntsuas seb nws puas muaj peev xwm ua tau, tab sis digital multimeter nrog lub diode kos ua haujlwm yuav muab cov txiaj ntsig zoo tshaj plaws. Feem ntau cov diodes niaj hnub no yog tsim los ntawm silicon, tab sis qhov kev tsim qauv no tseem tuaj yeem tawg thaum raug lub zog ntau dhau.

Cov kauj ruam

Txoj Kev 1 ntawm 3: Siv Diode Check Function

Ntsuas Silicon Diode nrog Multimeter Kauj Ruam 1
Ntsuas Silicon Diode nrog Multimeter Kauj Ruam 1

Kauj Ruam 1. Txheeb rau hom tshuaj diode

Feem ntau cov digital multimeters muaj hom kev kuaj diode. Txhawm rau pab kom hom no, tig lub xov tooj mus rau lub cim rau "diode:" tus xub dub taw rau txoj kab ntsug.

Yog tias koj lub multimeter tsis muaj hom no, sim ua haujlwm tsis zoo

Ntsuas Silicon Diode nrog Multimeter Kauj Ruam 2
Ntsuas Silicon Diode nrog Multimeter Kauj Ruam 2

Kauj Ruam 2. Kaw lub hwj chim rau hauv Circuit Court

Tua txhua lub zog rau hauv Circuit Court. Ntsuas qhov ntsuas hluav taws xob hla lub diode kom paub tseeb tias tsis muaj nqi. Yog tias qhov ntsuas hluav taws xob tau xoom, txuas ntxiv mus rau kauj ruam tom ntej.

  • Yog tias lub hwj chim tawm tab sis tseem muaj qhov hluav taws xob, koj yuav xav tau tso cov khoom siv hluav taws xob tawm hauv Circuit Court. Qhov no yog qhov txaus ntshai heev thiab yuav tsum tsis txhob sim los ntawm cov neeg tshiab.
  • Yog tias lub diode txuas nrog lwm cov khoom sib xyaw ua ke, koj yuav xav tau tshem lub diode los ntawm kev siv hluav taws xob tag. Qhov no feem ntau yuav tsum tau desoldering, tom qab ntawd muab nws rov qab thaum koj ua tiav kev sim.
Ntsuas Silicon Diode nrog Multimeter Kauj Ruam 3
Ntsuas Silicon Diode nrog Multimeter Kauj Ruam 3

Kauj Ruam 3. Xaiv lub diode kos ua haujlwm

Tig lub xov tooj rov qab rau diode kos hom. Paub meej tias cov hlau lead dub (tsis zoo) tau txuas rau hauv qhov chaw nres nkoj cim COM, thiab cov hlau liab (zoo) tau ntsaws rau hauv qhov chaw nres nkoj cim V, Ω, thiab/lossis R. Kov cov coj ua ke thiab mloog lub suab nrov uas qhia txuas ntxiv. Yog tias koj tsis hnov dab tsi, rov xyuas ob zaug tias koj lub multimeter tau qhib thiab teeb tsa kom raug. Yog tias koj hnov lub suab nrov, txoj haujlwm ua haujlwm. Mus txuas ntxiv mus rau qib tom ntej.

Hom no ua hluav taws xob tam sim no txhawm rau ntsuas lub diode qhov hluav taws xob, tab sis qhov tam sim no me me dhau los ua rau puas ib yam kev tiv thaiv

Ntsuas Silicon Diode nrog Multimeter Kauj Ruam 4
Ntsuas Silicon Diode nrog Multimeter Kauj Ruam 4

Kauj Ruam 4. Txheeb xyuas qhov zoo thiab tsis zoo ntawm cov diode

Ob qhov kawg ntawm diode muaj qhov sib txawv ntawm qhov sib txawv. Cov cov cathode, lossis qhov kawg tsis zoo, feem ntau yog cim nrog kab txaij. Cov qhov anode, lossis qhov kawg zoo, feem ntau tsis muaj cim tseg. Yog tias koj lub diode siv cov ntawv cim sib txawv, saib cov chaw tsim khoom qhia. Xwb, ua qhov kev ntsuas thiab tshuaj xyuas cov txiaj ntsig los txiav txim seb qhov twg yog cathode.

Ntsuas Silicon Diode nrog Multimeter Kauj Ruam 5
Ntsuas Silicon Diode nrog Multimeter Kauj Ruam 5

Kauj Ruam 5. Ntsuas qhov kev tsis ncaj ncees ntawm diode

Ib qho diode rau pem hauv ntej muaj qhov txiaj ntsig zoo ntws los ntawm anode mus rau cathode. Kov liab (qhov zoo) ua rau xaim ntawm sab anode, thiab dub (tsis zoo) mus rau xaim ntawm sab cathode. Txhais cov txiaj ntsig:

  • Qhov tshwm sim ntawm kwv yees li 0.5 txog 0.8 volts txhais tau tias diode ua haujlwm. Qee lub multimeter tseem yuav beep los qhia qhov txuas ntxiv mus.
  • Qhov tshwm sim ntawm OL (qhib lub voj) txhais tau tias qhib lub diode, thaiv tag nrho cov dej ntws tam sim no. Qhov diode no yuav tsum tau hloov pauv, tab sis txheeb xyuas qhov ntsuas tom ntej ua ntej. Tej zaum koj yuav tau txuas koj lub multimeter mus rau qhov tsis raug.
  • Qhov tshwm sim ntawm 0.4 volts lossis tsawg dua txhais tau tias diode yuav luv. Paub meej qhov no nrog qhov kev xeem tom ntej.
Ntsuas Silicon Diode nrog Multimeter Kauj Ruam 6
Ntsuas Silicon Diode nrog Multimeter Kauj Ruam 6

Kauj Ruam 6. Kuaj qhov rov qab tsis ncaj ncees

Ib qho kev thim rov qab-tsis ncaj ncees diode muaj tus nqi zoo ntawm sab cathode, thiab qhov tsis zoo ntau dua ntawm qhov anode. Diodes tau tsim los tiv thaiv kev ntws tam sim no hauv cov lus qhia no. Txhawm rau ntsuas seb qhov no puas ua haujlwm, tsuas yog hloov txoj haujlwm ntawm tus coj. Cov hlau liab (qhov zoo) yuav tsum nyob ib sab ntawm kab txaij cathode, thiab cov hlau dub (tsis zoo) yuav tsum nyob ib sab ntawm anode. Nyeem cov multimeter zaub:

  • Qhov tshwm sim ntawm OL (qhib lub voj) txhais tau tias diode ua tiav thaiv qhov tam sim no.
  • Qhov tshwm sim ntawm 0.5 txog 0.8 volts txhais tau tias koj tau ua yuam kev. Koj yeej tau sim qhov kev tsis ncaj ncees rau pem hauv ntej. (Qhov kev xeem dhau los koj tau ua yuav tsum muaj qhov tshwm sim ntawm OL.)
  • Yog tias qhov ua tau zoo rau yav tom ntej yog 0.4 volts lossis tsawg dua, thiab qhov kev ntsuas no muab cov txiaj ntsig zoo ib yam, cov diode luv thiab xav tau hloov pauv.
  • Yog tias qhov ua tau dhau los-kev tsis txaus siab yog 0.4 volts lossis tsawg dua, tab sis qhov kev xeem no ua tiav (OL), koj yuav ua haujlwm nrog germanium diode, tsis yog silicon ib qho.

Txoj Kev 2 ntawm 3: Xeem Diode Kuj

Ntsuas Silicon Diode nrog Multimeter Kauj Ruam 7
Ntsuas Silicon Diode nrog Multimeter Kauj Ruam 7

Kauj Ruam 1. Siv txoj hauv kev no thaum tsim nyog

Txoj hauv kev ntawm kev sim diodes no tsis muaj tseeb ntau dua li kev ntsuas diode. Ua raws cov lus qhia no yog tias koj muaj analog multimeter, lossis yog siv digital multimeter yam tsis muaj qhov ntsuas qhov ntsuas.

Ntsuas Silicon Diode nrog Multimeter Kauj Ruam 8
Ntsuas Silicon Diode nrog Multimeter Kauj Ruam 8

Kauj Ruam 2. Teeb koj lub multimeter rau hom tsis kam

Tig lub xov tooj mus rau hom tsis kam, feem ntau yog cim nrog lub cim ohm Ω. Ntawm qee tus qauv qub, qhov no tuaj yeem sau npe R. Xaiv qhov qis, xws li 2KΩ lossis 20KΩ.

Qee cov digital multimeters yog pib-pib, thiab yuav tsuas muaj ib qho teeb tsa

Ntsuas Silicon Diode nrog Multimeter Kauj Ruam 9
Ntsuas Silicon Diode nrog Multimeter Kauj Ruam 9

Kauj Ruam 3. Plug rau hauv cov coj

Txuas qhov tsis zoo coj mus rau hauv COM chaw nres nkoj. Ntsaws cov hlau lead zoo rau hauv qhov chaw nres nkoj sau tias Ω lossis R.

  • Yuav luag txhua lub digital multimeter, cov hlau lead liab yog qhov zoo thiab cov hlau lead dub yog qhov tsis zoo.
  • Ib qho analog multimeter tuaj yeem siv cov xim liab lossis dub yog cov hmoov txhuas zoo. Txheeb xyuas koj phau ntawv qhia kom paub tias teeb tsa koj lub multimeter siv li cas hauv kev tawm tsam.
Ntsuas Silicon Diode nrog Multimeter Kauj Ruam 10
Ntsuas Silicon Diode nrog Multimeter Kauj Ruam 10

Kauj Ruam 4. Tshem lub diode

Kev ntsuam xyuas tsis kam tuaj yeem muab cov txiaj ntsig tsis raug yog tias lub diode txuas nrog rau hauv Circuit.

Kuaj Silicon Diode nrog Multimeter Kauj Ruam 11
Kuaj Silicon Diode nrog Multimeter Kauj Ruam 11

Kauj Ruam 5. Ntsuas qhov kev tsis ncaj ncees rau pem hauv ntej

Kov qhov tsis zoo ua rau cathode (qhov tsis zoo kawg ntawm diode, cim nrog kab txaij). Kov qhov ua tau zoo mus rau anode. Lub diode ua haujlwm yuav tsum muaj tus nqi tiv taus qis hauv qhov kev qhia no (feem ntau qis dua 1KΩ).

  • Yog tias qhov txiaj ntsig yog 0, sim txo qis qhov ua haujlwm ntawm koj lub xov tooj cua multimeter. Yog tias qhov txiaj ntsig tseem yog 0, koj lub diode yuav tawg. Cov kev xeem uas tseem tshuav tuaj yeem lees paub qhov no lossis txiav txim nws tawm.
  • Cov lus qhia kom pom tseeb tsis muaj lub ntsiab lus muaj txiaj ntsig rau kev tsim hluav taws xob, vim nws cuam tshuam los ntawm ntau yam. Koj tuaj yeem tau txais qhov txiaj ntsig sib txawv ntawm qhov ntsuas thib ob, tab sis nws yuav tsum tseem nyob hauv qhov qis ib yam.
Ntsuas Silicon Diode nrog Multimeter Kauj Ruam 12
Ntsuas Silicon Diode nrog Multimeter Kauj Ruam 12

Kauj Ruam 6. Ntsuas qhov rov qab tsis ncaj ncees

Teem koj lub multimeter mus rau qhov siab tiv taus ntau, 200KΩ lossis siab dua. Rov qab txoj haujlwm ntawm cov coj, yog li cov hmoov txhuas tsis zoo kov lub anode. Txij li diodes tau tsim los thaiv tam sim no hauv qhov kev qhia no, qhov kev tiv thaiv yuav tsum siab heev. Feem ntau ua haujlwm silicon diodes yuav tsum ua kom pom kev tiv thaiv hauv ntau pua KΩ, lossis qhov txwv txwv nyeem ntawv (OL) lub ntsiab lus nws siab dhau los ntsuas. Qhov tshwm sim ntawm 0 txhais tau tias yuav tsum hloov lub diode.

Tsis muaj teeb meem dab tsi yog qhov tshwm sim, lub diode tau tawg yog tias koj tau txais cov txiaj ntsig zoo sib xws rau pem hauv ntej thiab thim rov qab

Kuaj Silicon Diode nrog Multimeter Kauj Ruam 13
Kuaj Silicon Diode nrog Multimeter Kauj Ruam 13

Kauj Ruam 7. Sib piv rau diode ua haujlwm

Kom tau txais txiaj ntsig zoo tshaj plaws, ntsuas qhov tshiab silicon diode lossis silicon diode uas koj paub tias ua haujlwm raug. Yog tias koj tau txais cov txiaj ntsig zoo sib xws, cov diode feem ntau yuav ua haujlwm tau zoo. Yog tias koj tseem ntsib teeb meem nrog koj lub Circuit Court, txiav txim siab yuav lub multimeter nrog lub diode kos ua haujlwm rau qhov ntsuas raug dua.

Yog tias koj cov txiaj ntsig yav dhau los tsis ncaj ncees yog 0 rau ob lub diodes, tom qab ntawd koj lub digital multimeter feem ntau yuav tsis ua tam sim no txaus rau qhov ntsuas raug. Sim dua nrog analog multimeter

Txoj Kev 3 ntawm 3: Lwm Yam Kev Xeem

Ntsuas Silicon Diode nrog Multimeter Kauj Ruam 14
Ntsuas Silicon Diode nrog Multimeter Kauj Ruam 14

Kauj Ruam 1. Ntsuas qhov ntsuas hluav taws xob kom raug

Kev ua haujlwm ntawm lub diode tsis muab tam sim no txaus los nrhiav qhov tseeb rau pem hauv ntej qhov hluav taws xob koj lub diode yuav muaj hauv Circuit Court. Txhawm rau paub tseeb tias koj lub silicon diode muaj lub hom phiaj npaj rau pem hauv ntej (kwv yees li 0.7V), teeb tsa lub voj voog yooj yim los ntsuas nws:

  • Txuas lub davhlau ya nyob twg zoo ntawm lub roj teeb rau tus tiv thaiv.
  • Txuas lwm qhov kawg ntawm tus tiv thaiv mus rau anode ntawm diode.
  • Txuas lub cathode mus rau qhov tsis zoo ntawm lub roj teeb.
  • Ntsuas qhov hluav taws xob rau pem hauv ntej hla lub diode.
4169384 15
4169384 15

Kauj Ruam 2. Nkag Siab Peak Inverse Voltage

PIV ntawm diode yog qhov siab tshaj qhov rov qab hluav taws xob lub diode tuaj yeem tiv taus ua ntej nws tawg. Kev rhuav tshem tas mus li rhuav tshem feem ntau ntawm diodes, yog li nws tsis muaj txiaj ntsig los ntsuas qhov ntau. Qhov zam yog diodes tso zis, uas tau tsim tshwj xeeb kom tiv dhau qhov tam sim no thiab tswj hwm qhov hluav taws xob.

Ib qho piv txwv silicon rectifier diodes muaj PIV ncig 50V, tab sis cov qauv muaj nyob uas tuaj yeem tiv taus ntau pua volts

Ntsuas Silicon Diode nrog Multimeter Kauj Ruam 16
Ntsuas Silicon Diode nrog Multimeter Kauj Ruam 16

Kauj Ruam 3. Kuaj zener diode's PIV

Zener diodes tau siv los tswj lub zog tshwj xeeb - yog li lawv tsis muaj txiaj ntsig zoo yog tias koj tsis paub tias qhov hluav taws xob yog dab tsi. Teeb lub voj voog no kom koj tuaj yeem txheeb xyuas tus nqi no:

  • Nrhiav cov khoom siv hluav taws xob sib txawv thiab paub meej tias nws tau muab tua.
  • Txuas lub davhlau ya nyob twg zoo ntawm lub zog xa mus rau 100Ω resistor.
  • Txuas lwm qhov kawg ntawm tus tiv thaiv mus rau cathode ntawm diode.
  • Txuas lub anode mus rau lub davhlau ya nyob twg tsis zoo ntawm lub hwj chim.
  • Txuas lub multimeter coj los ntsuas qhov ntsuas hluav taws xob rov qab hla lub diode (nrog cov hlau lead zoo nyob ib sab ntawm cathode).
  • Teeb lub zog hloov pauv hloov mus rau nws qhov qis tshaj thiab qhib nws.
  • Maj mam nce lub zog siv thaum saib cov ntsuas qhov ntsuas hluav taws xob. Thaum qhov hluav taws xob nres nce ntxiv thaum lub zog nce, koj tau pom qhov tawg qhov hluav taws xob. Tsis txhob txuas ntxiv qhov hluav taws xob, lossis cov diode tuaj yeem raug puas tsuaj.

Yees duab - Los ntawm kev siv qhov kev pabcuam no, qee cov ntaub ntawv yuav raug muab qhia rau YouTube

Lub tswv yim

  • Phau ntawv qhia no tsis npog qee yam tshwj xeeb lub hom phiaj diodes, xws li lub qhov diodes.
  • Yog tias lub ntsuas ntsuas nyeem 0.2-2.4 volts ntawm lub diode rau pem hauv ntej, tej zaum koj yuav muaj qhov qub germanium diode.
  • Forward-biased silicon diodes tau tsim los ua kom qhov hluav taws xob poob qis txog 0.7 volts ntawm chav sov. Koj tuaj yeem pom qhov txiaj ntsig qis dua thaum siv cov tshuaj diode muaj nuj nqi, vim tias lub tshuab ntsuas hluav taws xob ua hluav taws xob me me tam sim no ntau dua li ib puag ncig ib txwm muaj.
  • Qhov tseeb qhov hluav taws xob poob thoob plaws lub diode nyob ntawm ntau yam, suav nrog qhov kub thiab txias. Rau qee qhov kev sib tw nyuaj, koj yuav xav tau vam khom rau "qhov sib npaug diode zoo tshaj" los txiav txim siab seb koj li diode puas muaj qhov hluav taws xob raug.

Lus ceeb toom

  • Yog tias koj tsis tuaj yeem txheeb xyuas txhua yam hauv Circuit Court, tsis txhob sim kho nws. Tus kws kho tsis muaj peev xwm tuaj yeem rhuav tshem lub Circuit Court tau yooj yim lossis ua rau nws tus kheej raug mob loj.
  • Qee qhov ntsuas ntsuas nrog lub ntsuas diode ua haujlwm tsis tau tsim los ntsuas kev tiv thaiv diode. Yog tias qhov kev ntsuas tiv thaiv ntsuas siab tiv thaiv hla ib qho diode rau pem hauv ntej, koj yuav tsum tso siab rau qhov ntsuas diode xwb.

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