1. Pib
Cov tub ntxhais tivthaiv yog lub teeb LED yog lub teeb-emitting diode (LED), uas yog ib qho zoo (anode) thiab tsis zoo (cathode) davhlau ya nyob twg. Nrog nce kev lag luam xav tau rau LED cov lus qhia, xwm yeem, thiab lub zog ntawm cov Cathode thiab cov khoom siv anode tau dhau los ua ntau yam kev siv. Txhawm rau pab koj kom nkag siab zoo dua ob lub thev naus laus zis, kab lus no yuav muab cov ncauj lus piav qhia ntxaws ntawm lawv cov kev paub txog.
2. Qhov sib txawv tseem ceeb ntawm cov catrode thiab cov anode
Nyob rau hauv ib qho kev teeb cathoy ib qho, txhua qhov teeb tsa (tsis zoo) qhia ib qho kev sib txuas, thaum txhua tus tswv yim tswj hwm los ntawm voltage. Hauv kev sib piv, cov kev teeb tsa anode txuas tag nrho cov LED anodes (zoo cov lus (zoo kawg nkaus) rau ib tug neeg ua haujlwm sib koom tes los ntawm voltage tswj tau los ntawm voltage tswj tau. Ob txoj hauv kev siv nyob rau hauv cov kev tsim lub voj voos Circuit Scorios.
Kev noj fais fab:
Nyob rau hauv ib qho anever diode, lub davhlau ya nyob twg yog txuas nrog qib siab voltage thiab tseem nquag thaum lub zog hluav taws xob. Ntawm qhov tod tes, nyob rau hauv ib qho kev ua yeeb yam pov thawj, lub davhlau ya nyob twg yog txuas nrog rau hauv av (GND), thiab tsuas yog ib qho hluav taws xob tshwj xeeb kom ua haujlwm, txo qis zog siv fais fab. Qhov kev txo qis hauv kev siv hluav taws xob tshwj xeeb tau txais txiaj ntsig rau cov coj uas siv rau ncua sijhawm, raws li nws yuav pab txo qhov ntsuas kub.
Circuit Court Comlexity:
Feem ntau, hauv kev siv cov ntaub ntawv siv engineering, ib txwm ua cov cuab yeej ua haujlwm ntawm cov kev sib tw yuav zoo dua li cov khoom siv anesode. Feem ntau anode configuration tsis tas yuav muaj ntau cov kab high-voltage rau kev tsav tsheb.
3. Cov Cathode ib yam
3.1 Dab tsi yog cov Cathode
Ib qho kev teeb tsa Cathode txhais tau tias cov kev tsis zoo (Cathodes) ntawm LEDs txuas nrog ua ke. Nyob rau hauv ib qho cathode circuit, txhua tus coj lossis lwm cov khoom siv hluav taws xob muaj lawv cov Cathodes txuas nrog ib qho chaw sib koom, feem ntau hu ua "av" (GND) lossis cov khoom siv Cathode.
3.2 Cov ntsiab cai ua haujlwm ntawm cov Cathode ntau
Tam sim no txaus:
Nyob rau hauv ib qho cathode circuit Court, thaum ib lossis ntau cov zis tso zis ntawm cov kev tswj Circuit Court muab lub zog hluav taws xob, cov lus sib piv lossis cov khoom siv hluav taws xob. Txij ntawm no, tam sim no ntws los ntawm cov Cathode ib txwm (GND) rau cov khoom siv tau zoo no, ua rau lawv pom kev lossis ua lawv cov haujlwm.
Tswj Logic:
Kev tswj hwm cov neeg tswj hwm lub xeev ntawm txhua lub xeev lossis lwm yam lossis rho tawm xeev (siab lossis qis) ntawm nws cov zis tawm. Nyob rau hauv ib tug cathode circuit Court, qib siab feem ntau qhia txog kev ua kom ua haujlwm (teeb tsa txoj haujlwm), thaum muaj kev ua haujlwm tsawg (tsis yog teeb tsa lossis tsis ua haujlwm).
4. Cov Anode
4.1Dab tsi yog anode anode
Ib qho kev teeb tsa anode txhais tau tias cov lus zoo (anodes) ntawm LEDs txuas nrog ua ke. Nyob rau hauv xws li lub Circuit Court, txhua feem cuam tshuam (xws li LEDs) muaj lawv cov anodes txuas nrog ib qho kev sib txuas ntawm cov lus tso zis ntawm kev tswj hwm hluav taws xob.
4.2 Cov ntsiab cai ua haujlwm ntawm cov anode
Tswj tam sim no:
In a common anode circuit, when one or more output terminals of the control circuit supply a low voltage, a path is created between the cathode of the corresponding LED or component and the common anode, allowing current to flow from the anode to the cathode, ua rau cov khoom tiv thaiv kom pom kev lossis ua nws txoj haujlwm. Hloov siab, yog tias cov zis davhlau ya nyob twg yog nyob ntawm lub zog hluav taws xob, qhov tam sim no tsis tuaj yeem hla dhau, thiab cov khoom sib xyaw tsis taws.
Kev faib hluav taws xob:
Hauv cov ntawv thov zoo li Anode LED cov lus qhia, txij li txhua tus LED anodes txuas nrog ua ke, lawv koom nrog tib voltage tau. Txawm li cas los xij, txhua tus LED tus cathoo yog tswj hwm ywj siab tshaj txhua LED lub ci ci los ntawm kev kho cov zis hluav taws xob thiab tam sim no los ntawm kev tswj hwm hluav taws xob.
5. Qhov zoo ntawm cov anode anode
5.1 Cov Tawm Loj Loj Tam Sim No Muaj Peev Xwm
Cov qauv ntawm cov txheej txheem hluav taws xob yog cov sib txawv, tab sis lawv muaj cov tso tawm ntau dua tam sim no muaj peev xwm. Cov xeeb ceem no ua rau muaj anode ntawm cov khoom siv haum rau cov ntawv thov uas xav tau cov khoom siv hluav taws xob muaj zog, cov tsav tsheb siab coj tus tsav tsheb.
5.2 Kev Ntsuas Cov Khoom Zoo
Hauv ib qho kev sib tw ntawm Circuit Court, vim txhua qhov sib qhia sib qhia ib qho kev tawm suab, cov zis tam sim no yog cov faib nyiaj ntau dua yog cov faib nyiaj ntau dua ntawm cov khoom siv. Qhov chaw hluav taws xob no muaj peev xwm pab txo cov teeb meem kev ua tsis tau, txhim kho qhov ua tau zoo tag nrho thiab ruaj khov ntawm Circuit Court.
5.3 Yooj Yim thiab Cov Khoom Siv
Cov qauv kev tsim qauv hluav taws xob tso cai rau kev hloov pauv tau lossis tshem tawm cov khoom siv uas tsis muaj kev kho kom tseem ceeb rau cov qauv txheej txheem Circuit Court. Qhov kev hloov pauv tau zoo thiab thev taus muaj qhov pom tseeb meej hauv cov tshuab nyuaj thiab cov ntawv thov loj.
5.4 Yooj Yim Circuitfuav Kev Tsim
Hauv qee cov ntawv thov, ib qho kev tso cai ntawm Circuit Court tau yooj yim ntawm cov qauv txheej txheem tag nrho ntawm Circuit Court. Piv txwv li, thaum tsav tsheb LED lossis 7-ntu cov lus qhia tau tswj hwm ntau yam nrog cov ntawv me me thiab kev sib txuas, txo cov nqi tsim qauv thiab tus nqi.
5.5 Kev hloov kho rau ntau yam kev tswj hwm
Cov kev sib tw ntawm cov voj voog muaj peev xwm haum tau raws ntau cov tswv yim tswjhwm. Los ntawm kev kho cov zis tawm thiab sijhawm sijhawm tswj hwm cov khoom lag luam, kev tswj hwm kom meej ntawm txhua qhov kev xav tau ua tiav kom tau raws li cov cai sib txawv.
5.6 txhim kho cov txheej txheem kev ntseeg tau
Tus tsim qauv ntawm ib txwm muaj kev sib tw ua kom pom tseeb txog kev faib khoom thiab txhim kho tam sim no, uas ua rau tag nrho cov kev ntseeg tau. Hauv kev ua haujlwm ntev ntev thiab cov kev ntsuas siab, ib txwm muaj kev sib tw tswj kev ruaj khov, txo tus nqi tsis ua haujlwm thiab kho tus nqi.
6.Cov Lus Qhia Txog Anode Teeb Meem Teeb
Xyuas kom meej tias cov entode voltage yog ruaj khov thiab txaus siab kom tsav txhua lub sib txuas.
Tsim cov zis voltage thiab tam sim no ntawm kev tswj hwm hluav taws xob kom ua kom tsis txhob ua kom puas tsuaj lossis kev ua tsis tau zoo.
Noj mus rau hauv tus account rau pem hauv ntej voltage tee cov yam ntxwv ntawm coj thiab ua kom muaj volgage txaus txaus rau hauv kev tsim.
7. Qhov zoo ntawm cov Cathode ntau
7.1 Lub Cev Muaj Zog Muaj Zog
Hom kev sib tw cathode tuaj yeem sib txuas cov zis tawm ntawm cov khoom hluav taws xob ntawm cov khoom hluav taws xob, ua rau muaj zog ntau dua. Qhov no ua rau cov cathode ncig tshwj xeeb zoo dua nyob rau hauv high-fais fab tso zis.
7.2 Versatility
Cov tswv yim thiab cov zis tawm ntawm ib qho cathode cncuit tau sib txuas ywj pheej, tso cai rau nws tau thov kom haum rau ntau yam khoom siv hluav taws xob. Cov versatility no muab cov cathode ncig nrog cov ntawv thov thoob plaws hauv kev ua teb hluav taws xob.
7.3 Yooj yim ntawm kev hloov kho
Los ntawm kev kho cov cheebtsam xws li resistors lossis transformers hauv lub xeev, lub xeev ua haujlwm thiab cov zis ntawm cov cathode hluav taws xob tuaj yeem hloov kho tau yooj yim. Qhov yooj yim ntawm kev hloov kho ua rau cov cathode ncig nrov hauv cov kev siv uas yuav tsum tswj xyuas cov zis tawm tswv yim.
7.4 Kev Tiv Thaiv Hluav Taws Xob
Hauv LED zaub Applications, Cov Cathode ntau yam cathode tuaj yeem faib hluav taws xob hluav taws xob, txo qis zog siv fais fab noj. Qhov no ua tiav vim tias cov kab ke cathode cia tso cai rau cov hluav taws xob hluav taws xob raws li txhua qhov kev xav tau, faib cov khoom siv tsis tsim nyog thiab txo qis tiam. Piv txwv li, cov cuab yeej siv tshuab cathode tuaj yeem txo cov kev ua haujlwm voltage ntawm coj chips los ntawm 4.8-3.3V uas tau txo qis ntawm cov khoom siv ntawm cov khoom ntiag tug coj los ntawm ntau dua 25%.
7.5 txhim kho cov zaub ua yeeb yam thiab kev ruaj khov
Vim tias cov neeg siv hluav taws xob txo qis, cov cathode cej luam hauv qab qhov ntsuas kub tag nrho. Qhov kev ruaj ntseg thiab lub neej ntawm LEDs yog inversely proportional kom kub; Yog li ntawd, qis dua cov vijtsam kub ua rau kom muaj kev ntseeg siab ntau dua thiab siv nyiaj ntev dua rau cov lus pom. Ib qho ntxiv, cov cathode cathode txo tus naj npawb ntawm pcb Cheebtsam, txhim kho kev sib xyaw ntxiv ua ke thiab ruaj khov.
7.6 Ncaj Ncees Tswj
Hauv cov ntawv thov uas yuav tsum tau tswj kom meej ntawm ntau yam LEDs lossis lwm yam kev ua haujlwm, xws li cov qauv txuas ntxiv ua kom muaj kev tswj hwm ywj pheej ntawm txhua feem. Qhov precision tswj lub peev xwm no ua rau cov Cathode ncig ua kom tiav hauv ob qho tib neeg ua tau zoo thiab ua haujlwm.
8. Cov Lus Qhia Txog Cathode
Thaum siv cov Cathode 7-ntu piav qhia txog kev sib chwv, tsis txhob sib cuag nrog saum npoo thiab lis cov pins kom zoo. Them sai sai rau soldering kub thiab sijhawm kom paub tseeb tias soldering zoo. Tsis tas li, xyuas kom meej tias kev ua haujlwm voltage thiab tam sim no tau sib phim, hauv av cov cathiare kom zoo, thiab xav txog lub zog tsav tsheb thiab kev tswj hwm ncua. Ib qho ntxiv, ua tib zoo mloog rau cov yeeb yaj kiab tiv thaiv, sib xyaw nrog cov xwm txheej kev sib xyaw ua ke kom ntseeg tau tias muaj lub neej ua haujlwm thiab txuas ntxiv cov cuab yeej 7-ntu.
9. Yuav ua li cas los txheeb xyuas cov Cathode vs. Cov Anode
9.1 Soj ntsuam cov LED Pins:
Feem ntau, tus lej tus lej luv ntawm ib LED yog cathode, thiab ntev pin yog anode. Yog tias microckontroller txuas lub pins ntev dua ua ke, nws siv ib qho kev teeb tsa kev teeb tsa; Yog hais tias lub pins ntev dua tau txuas nrog microController's IO chaw nres nkoj, nws siv ib qho kev teeb tsa cornero.
9.2 voltage thiab LED xwm txheej
Rau tib tus coj, nrog tib lub chaw nres hluav taws xob tawm, yog tias "" teeb tsa lub LED thiab "0" Hloov nws, nws qhia tau ib qho kev teeb tsa kev teeb tsa. Txwv tsis pub, nws yog ib qho kev teeb tsa anode.
Hauv cov ntsiab lus, txiav txim siab seb puas muaj microcontroller siv cov qauv kev sib txuas, cov LED rau / tawm ntawm lub xeev, thiab cov chaw nres hluav taws xob voltage. Txheeb xyuas qhov tseeb configuration yog qhov tseem ceeb rau kev tswj kom tsim nyog ntawm cov coj lossis lwm yam kev tso tawm.
Yog tias koj xav paub ntau ntxiv txog LED qhia,Tiv Tauj Peb Tam Sim No. Rtledyuav teb koj cov lus nug.
Lub Sijhawm Post: Lub Yim Hli 24-2024