1. Nhanganyaya
Chinhu chepakati chekuratidzira kwe LED ndiyo light-emitting diode (LED), iyo, seyakajairwa diode, ine yekumberi conduction hunhu-zvinoreva kuti ine zvese zvakanaka (anode) uye yakaipa (cathode) terminal. Nekuwedzera kwemusika kudiwa kwezviratidziro zve LED, senge hupenyu hurefu, kuenderana, uye kugona kwesimba, kushandiswa kweyakajairwa cathode uye zvakajairika anode masisitimu kwave kupararira mumashandisirwo akasiyana siyana. Kukubatsira kuti unzwisise zviri nani matekinoroji maviri aya, chinyorwa ichi chinopa ongororo yakadzama yeruzivo rwavo rwakakodzera.
2. Misiyano Yakakosha Pakati PeCathode Yakajairwa uye Yakajairwa Anode
Mune yakajairwa cathode setup, ese ma LED cathodes (negative terminals) anogovana kubatana kwakafanana, nepo anode yega yega inodzorwa nevolti. Kusiyana neizvi, zvimiro zveanode zvakajairika zvinobatanidza ese ma LED anode (positive terminals) kune yakagovaniswa poindi, ine yega cathodes inotungamirwa kuburikidza nemagetsi control. Nzira mbiri idzi dzinoshandiswa mune dzakasiyana dhizaini dhizaini mamiriro.
Kushandisa Simba:
Mune yakajairwa anode diode, iyo yakajairwa terminal yakabatana kune yakakwira voltage level uye inoramba ichishanda pese panodiwa voltage yakakwira. Kune rimwe divi, mune yakajairika cathode diode, iyo yakajairika terminal yakabatana pasi (GND), uye chete diode chaiyo inoda kugamuchira yakakwira voltage kuti ishande, zvinobudirira kuderedza kushandiswa kwesimba. Uku kudzikiswa kwekushandiswa kwemagetsi kunonyanya kubatsira kune maLED anoshandiswa kwenguva yakareba, sezvo achibatsira kudzikisa tembiricha yescreen.
Circuit Complexity:
Kazhinji, mumashandisirwo einjiniya anoshanda, akajairwa cathode diode maseketi anowanzo kuve akaomarara pane akajairwa anode diode maseketi. Iyo yakajairwa anode kumisikidzwa haidi akawanda akakwira-voltage mitsetse yekutyaira.
3. Common Cathode
3.1 Chii chinonzi Common Cathode
A common cathode configuration zvinoreva kuti negative terminals (cathodes) ye LEDs yakabatana pamwechete. Munharaunda ye cathode circuit, ma LED ose kana zvimwe zvikamu zvinofambiswa zvino zvine cathodes zvakabatana kune imwe nzvimbo yakagoverwa, inowanzonzi "pasi" (GND) kana cathode yakajairika.
3.2 Kushanda Nheyo yeCommon Cathode
Kuyerera Kwezvino:
Mudunhu rakajairwa cathode, kana imwe kana anopfuura anobuda materminals edunhu rekutonga achipa yakakwira voltage, iwo anowirirana ma LED kana components 'anode anoitwa. Panguva ino, ikozvino inoyerera ichibva kune yakajairwa cathode (GND) ichienda kune ino activated zvikamu 'anode, zvichiita kuti vavheneke kana kuita mabasa avo.
Kudzora Logic:
Saiti yekudzora inoronga mamiriro eiyo LED yega yega kana zvimwe zvikamu (pairi kana kudzima, kana mamwe matunhu anoshanda) nekushandura voltage level (yakakwirira kana yakaderera) painobuda materminal. Munzvimbo yakajairwa cathode dunhu, chiyero chepamusoro chinowanzo ratidza activation (kuvheneka kumusoro kana kuita basa), nepo yakaderera inoratidza deactivation (kwete kuvhenekesa kumusoro kana kusaita basa).
4. Common Anode
4.1Chii chinonzi Common Anode
A common anode configuration inoreva kuti materminals akanaka (anodes) e LED akabatana pamwechete. Mudunhu rakadaro, ese ane hukama zvikamu (senge maLED) ane anode dzawo akabatana kune yakajairwa anode poindi, nepo chimwe nechimwe chechikamu cathode chakabatana kune akasiyana anobuda materminal edunhu rekutonga.
4.2 Kushanda Nheyo yeCommon Anode
Ikozvino Kudzora:
Mudunhu rinowanzoitwa anode, kana imwe kana anopfuura anobuda materminal edunhu rekutonga achipa yakaderera voltage, nzira inogadzirwa pakati peiyo cathode yeinoenderana LED kana chikamu uye yakajairika anode, ichibvumira ikozvino kuyerera kubva anode kuenda kune cathode, kuita kuti chikamu chivheneke kana kuita basa racho. Sezvineiwo, kana iyo inobuda terminal iri pamhepo yakakwira, ikozvino haigone kupfuura, uye chikamu hachivheneke.
Voltage Distribution:
Mumashandisirwo akafanana neakajairika anode LED anoratidza, sezvo ese ma LED anode akabatana pamwechete, anogovera yakafanana voltage sosi. Nekudaro, yega yega LED's cathode inodzorwa yakazvimiririra, ichibvumira kunyatso kudzora pamusoro pega yega kupenya kwe LED nekugadzirisa inobuda voltage uye yazvino kubva kudunhu rekutonga.
5. Zvakanakira Common Anode
5.1 High Output Current Capacity
Common anode circuit zvimiro zvakaoma, asi vane yakakwirira kubuda ikozvino simba. Hunhu uhwu hunoita kuti anodeseketa akajairwa aenderane nemaapplication anoda kubuditsa simba repamusoro, senge mitsara yekufambisa magetsi kana madhiraivha emagetsi e LED.
5.2 Yakanakisa Mutoro Kuyera
Mudunhu reanode rakajairwa, sezvo zvese zvikamu zvinogovana anode point, iyo inobuda ikozvino inonyanya kugoverwa pakati pezvikamu. Uku kuenzanisa kwemutoro kunobatsira kuderedza kusawirirana, kuvandudza kushanda kwese uye kugadzikana kwedunhu.
5.3 Kuchinja uye Scalability
Yakajairwa anode yedunhu madhizaini inobvumira kuchinjika kuwedzera kana kubviswa kwezvikamu pasina kudikanwa kwekugadzirisa kwakakosha kune yakazara dunhu chimiro. Uku kuchinjika uye scalability zvinopa mukana wakajeka mumasisitimu akaomarara uye makuru-scale application.
5.4 Yakareruka Circuit Dhizaini
Mune mamwe maapplication, yakajairika anode circuit inogona kurerutsa iyo yakazara dhizaini yedunhu. Semuenzaniso, paunenge uchityaira ma LED arrays kana 7-segment displays, anode circuit inowanzoitika inogona kudzora zvikamu zvakawanda zvine mapini mashoma uye zvinobatanidza, kuderedza dhizaini yakaoma uye mutengo.
5.5 Kuchinjika kune Akasiyana-siyana Kudzora Strategies
Common anode circuits inogona kugadzirisa nzira dzakasiyana-siyana dzekutonga. Nekugadzirisa masaini ekubuda uye nguva yedunhu rekutonga, kunyatso kudzora kwechimwe nechimwe chikamu mune yakajairwa anode reketi inogona kuwanikwa kuti isangane nezvinodiwa zvakasiyana zvekushandisa.
5.6 Yakavandudza Kuvimbika KweSitimu
Dhizaini yeakajairwa anode circuits inosimbisa kuyera kuyera uye optimized ikozvino kugovera, izvo zvinobatsira kune yakazara system kuvimbika. Mukushanda kwenguva refu uye mamiriro ekuremerwa, anowanzo anode circuits anochengetedza kushanda kwakadzikama, kuderedza kukundikana kwemitengo uye mari yekugadzirisa.
6.Common Anode Setup Mazano
Ita shuwa kuti yakajairika anode voltage yakagadzikana uye yakakwira zvakakwana kutyaira zvese zvakabatana zvinhu.
Gadzira iyo inobuda voltage uye yazvino renji yedunhu rekutonga zvakakodzera kuti udzivise zvinokuvadza zvikamu kana kusvibisa kuita.
Funga nezve kumberi voltage kudonhedza maitiro e LED uye ive nechokwadi chakakwana voltage margin mudhizaini.
7. Zvakanakira Common Cathode
7.1 High Power Kugona
Maseketi akajairwa ecathode anogona kusanganisa masaini anobuda ezvishandiso zvemagetsi akawanda, zvichikonzera simba rekubuda. Izvi zvinogadzira zvakajairika cathode maseketi kunyanya kubatsira mune yakakwirira-simba kuburitsa mamiriro.
7.2 Kusiyana-siyana
Iyo yekupinza uye yekubuda materminal yeyakajairwa cathode wedunhu inogona kubatanidzwa zvakasununguka, ichibvumira kuti ishandiswe nyore kune akasiyana siyana emagetsi. Izvi zvakasiyana-siyana zvinopa zvakajairwa cathode maseketi ane yakakura-siyana maapplication mumunda wemagetsi engineering.
7.3 Kureruka kwekugadzirisa
Nekugadzirisa zvikamu zvakadai sezvidziviriro kana shanduri munharaunda, nzvimbo yekushanda uye simba rechiratidzo chekubuda kwechigadziro che cathode cathode chinogona kuchinjwa nyore nyore. Kureruka uku kwekugadzirisa kunoita kuti akajairika cathode maseketi azivikanwe mumashandisirwo anoda kunyatso kudzora kwemasaini ekubuda.
7.4 Simba Rekushandisa Kudzora
Mu LED kuratidza maapplication, akajairwa cathode maseketi anogona kunyatso govera voltage, zvinobudirira kuderedza mashandisiro emagetsi. Izvi zvinogoneka nekuti zvakajairika cathode maseketi anobvumira yakananga voltage kupihwa zvinoenderana neiyo yega LED zvinodiwa, kubvisa kudiwa kwemagetsi-kukamura resistors uye kuderedza kusingakodzeri kurasikirwa kwemagetsi uye kugadzirwa kwekupisa. Semuenzaniso, yakajairika cathode tekinoroji inogona kuderedza kushanda kwemagetsi e LED machipi kubva ku4.2-5V kusvika 2.8-3.3V pasina kukanganisa kupenya kana kuita kwekuratidzira, iyo inoderedza zvakananga kushandiswa kwesimba kwemafine-pitch LED kuratidza neanopfuura 25%.
7.5 Kuvandudza Maonero Ekuita uye Kugadzikana
Nekuda kwekuderedzwa kwesimba rekushandisa, zvakajairika cathode maseketi anodzikisa iyo yakazara skrini tembiricha. Kugadzikana uye hupenyu hwema LEDs hwakasiyana-siyana kune tembiricha; saka, yakadzika skrini tembiricha inotungamira kune yakakwirira kuvimbika uye yakareba hupenyu hwema LED kuratidza. Pamusoro pezvo, tekinoroji yakajairwa cathode inoderedza huwandu hwePCB zvikamu, zvichiwedzera kusimbisa kubatanidzwa kwehurongwa uye kugadzikana.
7.6 Kudzora Kwazvo
Muzvikumbiro zvinoda kunyatso kudzora ma LED akawanda kana zvimwe zvikamu, senge maratidziro e LED uye 7-segment kuratidzwa, zvakajairika cathode circuits inogonesa kutonga kwakazvimirira kwechimwe nechimwe chikamu. Iyi chaiyo yekudzora kugona inoita kuti akajairwa cathode maseketi awedzere mune zvese kuratidza kuita uye kushanda.
8. Common Cathode Setup Mazano
Paunenge uchishandisa zvakajairika cathode 7-segment kuratidza, dzivisa kutarisana zvakananga nechepamusoro uye bata mapini zvakanyatsonaka. Teerera kune solder tembiricha uye nguva yekuona solder mhando. Zvakare, ita shuwa kuti magetsi ekushanda uye zvazvino zvaenderana, dzika iyo yakajairwa cathode zvakanaka, uye funga nezveiyo microcontroller yekutyaira kugona uye kunonoka kutonga. Pamusoro pezvo, teerera kune inodzivirira firimu, kuenderana nemamiriro ekushandisa, uye kugadzikana kwekubatanidzwa kwehurongwa kuve nechokwadi chekushanda kwakajairika uye nekuwedzera hupenyu hweakajairwa cathode 7-segment kuratidza.
9. Nzira yekuziva sei Common Cathode vs. Common Anode
9.1 Tarisa mapini e LED:
Kazhinji, pini ipfupi ye LED ndiyo cathode, uye pini refu ndiyo anode. Kana iyo microcontroller ichibatanidza mapini akareba pamwechete, iri kushandisa yakajairwa anode configuration; kana mapini akareba akabatana neiyo microcontroller's IO ports, iri kushandisa yakajairwa cathode kumisikidzwa.
9.2 Voltage uye Chimiro che LED
Kune imwecheteyo LED, ine imwechete port inobuda voltage, kana "1" mwenje we LED uye "0" ichidzima, inoratidza yakajairwa cathode kumisikidzwa. Zvikasadaro, yakajairika anode kumisikidzwa.
Muchidimbu, kuona kana microcontroller inoshandisa yakajairwa cathode kana yakajairwa anode configuration inosanganisira kuongorora nzira yekubatanidza LED, iyo LED's on/off state, uye port goho voltage. Kuziva kugadzirisa kwakaringana kwakakosha pakudzora kwakaringana kwema LED kana zvimwe zvikamu zvekuratidzira.
Kana iwe uchida kuziva zvakawanda nezve LED kuratidza,taura nesu izvozvi. RTLEDachapindura mibvunzo yako.
Nguva yekutumira: Aug-24-2024