Xaralay ekraŋ laal bu am kàttan: jàngat xarala yu am solo yi daale ko ci kaptër bu kàttan ba ci doxalal laal bu xarañ
Duggal
Ak yokkute bu gaaw bi am ci aparey yu xarañ yi, otomatisasioŋ usine yi, aparey elektronik oto, aparey medikaal, ak jumtukaayi sarse energie yu bees, ekraŋ yiy laal dañu dem ba joge ci aparey elektronik yu ñuy jëfandikoo dem ba ci environmaa yi gëna xarañ. Ci ñoom, ekraŋ yi laal capacitif nekk nañu benn ci xaralay laal yiñ gëna jëfandikoo tay, ndax seen sensitivite bu rëy, seen tontu bu gaaw, jàppale ci laal yu bari, ak neexaayu jëmmal.
Soo xoolee bu baax ci kaw, jëfandikukat yi duñu soxla ludul bës baraam yi ci ekraŋ bi ngir mëna jëfandikoo aparey bi. Waaye, ci ginaaw jëf ju yomb jii, amna interplay bu jafee xam bu am ci ay composant teknik yu bari, lu ci melni kapte capacitif, electrode kaptër, IC yu laal, jël siñaal, jëfandikoo algorithm, ak matuwaayi anti-interference. Ci anam wu gëna mag ci wàllu usine yi, ci biti, ci wàllu paj, ak ci wàllu oto, fexe ba ekraŋ yiy laal ñu mëna am jaar-jaaru laal bu jaar yoon, nekk na lu am solo ci yokkuteg xaralay laal capacitif.
I. PCAP: Xaralay laal bu bees
Fi ñu tolli nii, ekraŋ yi am kapasite ci marse bi dañuy njëkka jëfandikoo xaralay PCAP (Capacitif Projeté).
Ekraŋ capacitif PCAP yi dañuy am couche de détecte bu leer buñ defaree ci kaw weer wala ci yeneen substrat, ak matrix detecteur buy laal bu am electrode ci wàllu X ak Y. Su baraam bi laalee ekraŋ bi, yaram wi dafay soppi champ électrik bi ci wetu barab bi ñu laal, mu indi coppite ci capacitance bi ci barab bi war.
Regulatëru laal bi dafay def scanner bu gaaw - ci barabu kapte bi yépp, xam barabu laal bi ci jàngat coppite yi ci kapasite bi, ba noppi yónnee coordonnées laal yi ci sistemu kontre bi gëna mag ci aparey bi.
Kon mën nañu jàppee liggéeyu laal bu mat sëkk nii:
Jëf laal → Coppite ci kàttan → Gis kaptër → Jëfandikoo IC kontrôle → Liggéeyukaay algorithm → Xamme coordonnée → Tontu sistem
Caden bu mat bi dafay wane performance touch bu mujj bi ci ekraŋ capacitif bi.
II. Xaralay kapasite buñ bokk ak laal yu bari
Ci xaralay laal PCAP, xaralay capacitance buñ bokk mooy anam wi gëna am solo ngir mëna am laal yu bari yu am doole.
Jariñu kapacitans bi ñuy boole dafay am ñaari xeeti electrode yuy daje, X ak Y. Su baraam bi jegee barab bu ñuy daje, dafay soppi tolluwaayu couplage champ électrique bi ci gox boobu. Sooy scanner siñaal biy soppiku ci digganté electrode yu wuute yi, IC biy laal mën na xam barabu point touch bi.
Buñu ko méngale ak pexem gis benn poñ -, xaralay capacitance buñ bokk mën na xàmmee poñ yu bari ci benn yoon, suko defee ñu jàppale:
Benn - baraam
Zoom ñaari -baraam
Barab yu bari-
Siiwal
Kontrolu yëngu laal yu bari-
Xarala boobu ñu ngi koy jëfandikoo bu baax ci HMI yu usine yi, ci sistemu infotainment yi ci oto yi, ci aparey medikaal yi, ci terminal yu xarañ yi, ak ci kiosk yiy liggéey seen bopp.
III. Couche de capteur: "Reseau de capteur" bu ekraŋ biy laal
Capteur bi lu am solo la ci ekraŋ yi laal capacitif ngir gis laal.
Su amee reso bu leer ci electrode yi ci barabu laal bi, kaptër bi mën na gis coppite yu ndaw yi ci capacitance bi laal baraam bi waral. Ni ñu defaree kaptër bi dafay indi jafe-jafe ci ni ekraŋ bi di yëgtee, ni leeraay bi di jaar, ni muy laal bu baax, ak ni muy baña jaxasoo.
Xeetu jumtukaay yiñ gëna xam ñooy xarala yu melni ITO ak metal mesh.
Ngir aparey elektronik yu ndaw, defarum kaptër bi dafa wara méngale sew ak woyof ak yëg-yëg bu rëy; ci ekraŋ yu mag yiy laal, yeneen mbir yuñ wara bàyyi xel ñooy guddaayu electrode bi, kàttanu parasitik bi, wàññi siñaal bi, ak bruit bi.
Kon ginaaw bi dayo ekraŋ yi di gëna yokk, jëmmal kaptër bi dafay gëna bari ay jafe-jafe.
IV. IC Regulateur touch: Core biy lëkkale sensing touch ak sistem bi
Bi kaptër bi di gis coppite yi am ci kapasite bi, IC biy saytu laal bi moo wara soppi coppite yooyu ci done yuñ laal yuñ mëna xàmmee.
IC biy saytu laal dafay def liggéey yii:
di faral di scanner kaptër yi;
am siñaal yu ñor ci barabu laal bi;
Seggal ak defar siñaal yi;
Saytu ndax laal bu baax amna;
Xayma coordonnées yu laal;
Xamme poñ yu bari yu laal;
Topp trajectoire yu laal yi;
Yonnee done yu mujj yi ci sistem biy dalal.
Kon, performance IC biy saytu laal bi dafa wara méngoo bu baax ak jumtukaayu kaptër bi, yaatuwaayu weer wi, dayo ekraŋ bi, ak environmaa bi ñuy jëfandikoo.
Ci defarum produit bi, fàww ñu defar algorithm hardware bi ak logiciel bi ñu boole ngir mëna am performance touch bu dëgër.
V. Algorithm yu laal yi ñooy wane jaar-jaaru jëfandikukat bi
Ekraŋ yu am kapasite duñu tekki ci saasi coppite ci kapasite ni "laal baraam."
Ci environmaa yi dëgg -, mën nañu am njeexital ci ekraŋ bi ci benn yoon ndax ay peppu ndox, bruit electromagnetik, aparey yuy sarse, siñaal sans fil, ak yeneen mbir elektronik. Kon sistem biy laal dafa wara jëfandikoo algorithm ngir jàngat siñaal yu bees yi mu dajale.
Li gëna bari ci li ñuy woowe siñaal mooy:
Done yu bees → Segg bruit → Jàngat siñaal → Gis laal → Xayma coordonnées → Xamme laal yu bari - → Sortie done
Doxalin boobu dafay laaj ay xarala yu melni topp liiñ bu njëkk, dindi bruit, segg siñaal, gis njuumte ci laal, ak topp trajectoire laal.
Algorithm yu baax-mën nañu wuutale laal yu baax ak jafe-jafe yu baaxul ci environmaa yu xawa jafe, loolu mooy wàññi laal yu baaxul yi ba noppi gëna dëgëral laal yi.
VI. Glove Touch: Xarala yu am solo ngir ekraŋ capacitif usine
Ekraŋ yiy laal capacitif yiñ gëna xam ñooy gëna aju ci kàttan yi yaram wi mëna yóbbu. Kon su jëfandikukat yi sol gant yu dëll, couplage capacitif bi am ci digganté yaram wi ak capteur touch bi dafay néew doole, te loolu dafay gàllankoor performance touch bi.
Ngir mëna dëppoo ak bëgg-bëggu usine yi, biti yi, ak jekkal pajum, ekraŋ capacitif yu bees yi mën nañu leen gëna baaxal jaaraleko ci jumtukaayi kaptër yi, parametru IC yiy saytu, ak algorithm yu laal.
Barab yi gëna am solo ngir gëna xéewale xaralay laal bu méngoo ak gant- ñooy:
Yokkatal ni ñuy gisee siñaal yi;
Xootal jumtukaayi elektrodu kaptër yi;
Defar parametru skane IC laal;
Yokkatal kàttanu jëfandikoo siñaal;
Wàññi jafe-jafe yi environmaa bi di def.
Ngir liggéeykat usine yi wara liggéey ci aparey te dañuy sol gant liggéey lu yàgg, gant bu dëgër-bu méngoo ak laal bi dafay gëna yombal jëfandikoo aparey bu mel nii.
VII. Ekraŋ yu laal yu mëna xeex ndox: Jafe-jafe yi ci duggal laal ci environmaa yu xawa jafe
Ndox beneen jafe-jafe la bu xaralay laal capacitif di jànkoonteel.
Ndax ndox dafay mëna yóbbu kuuraŋ, peppu ndox yiy tafu ci kaw ekraŋ bi mën nañu soppi champ électrik bi ci gox bi, moo tax ñuy juum ci siñaal yi ñuy laal.
Kon ci aparey yi nekk ci biti, barabi sarse yi, jumtukaayi géej yi, ak masini mbay mi, dañu wara defar sistem yi ñuy laal ngir mëna jëflante ak peppu ndox yi ak fu tooy yi.
Mënu am fonctionnalité touch buy tere ndox nekk ci benn composant kese; rax ci dolli, fàww:
Design kaptër + IC laal + Algorithm siñaal + Liggéeyukaay losisel
Optimisation bu mat sëkk.
Suñu jàngat màndarga siñaal yi baraami dëgg yi ak peppu ndox yi di defar, dina tax ñu wàññi laal yu baaxul yi peppu ndox mëna jur, ba noppi gëna wóorloo aparey yi ci barab yu xawa tooy.
VIII. Xaralay Anti-: Caabi ngir jëfandikoo ci usine yi
Buñu ko méngale ak aparey elektronik yi ñuy jëfandikoo ci àdduna bi, ekraŋ yiy laal capacitif yi dañuy faral di jànkoonte ak environmaa electromagnetik yu gëna xawa jafe.
Ci misaal, aparey usine yi mën nañu am motëri, dawalkatu fréquence yu bari, modulu joxe kuuraŋ, aparey yu am voltage bu kawe, ak modulu jokkoo sans fil. Bruit electromagnetik bi aparey yooyu di defar mën na gàllankoor siñaal yiy laal.
Kon, ekraŋ yiy laal capacitif yu usine yi dañu soxla jëmmal anti- ci wàll yu bari:
Optimisation jumtukaayu kaptër bi;
Design jëmmal PCB;
Design biy joxe kuuraŋ;
Design de terre;
Design EMI/EMC;
Laal IC parametre;
Algorithmu segg losisel.
Sudee aparey bi ak losisel bi dañu boole seen doole, ekraŋ biy laal mën na wéy di dox bu baax ci barabi usine yu xawa jafe.
IX. Jafe-jafe yu bees yi jànkoonte ak ekraŋ yu yaatu yu mëna laal
Ginaaw aparey yi ñuy wane ci usine yi dañuy gëna màgg, ñu ngi gëna jëfandikoo ay ekraŋ capacitif yu am 15.6 pouce, 17 pouce, 21.5 pouce, ak yu gëna rëy ci sistemu kontre usine yi, terminal yu xarañ yi, ak aparey publik yi.
Lu dayo ekraŋ bi di gëna rëy, barab bi kaptër bi di yëg ak guddaayi ligne electrode yi itam dañuy gëna yokk, te loolu mën na jur:
wàññi siñaal bi;
Yokkateg kàttan parasit;
Yokkateg interferensi bruit;
Performance touch bu baaxul;
Wàññi tontub laal bu dëppoo.
Kon, ekraŋ tactile yu mag yi dañuy laaj lëkkaloo bu gëna jub diggante jumtukaayu kaptër bi, IC biy saytu, algorithm yi ak sistem bi yépp.
X. Liko dalee ci "Mënu laal" dem ci "Laal bu dëgër"
Defar xaralay ekraŋ laal capacitif yamul ci tëf ak laxasu lu yomb waaye mingi gëna dem ba gëna xarañ, wóor, ak jafee xam.
Xaralay laal capacitif yi ci kanam dina ñu gëna fësal:
Sensibilite bu kawe-xamme bu gaaw doonte danga ko laal lu woyof.
Mën ànd ak environmaa yu bari-baña gaawa jeex ci tàngoor wu kawe, tàngoor wu woyof, tàngoor wu tooy, ak ci biti.
Xamme bu am xel-Gëna mëna ràññee baraami loxo yi, gant yi, peppu ndox yi ak yeneen mbir yuy tere nit ñi.
Resistance interference bu kawe-Dafay mëna ànd ak environmaa electromagnetik yu jafee xam ci aparey usine yi ak elektronik oto.
Aplikaasioŋ yu mag-dayo-Def ci bëgg-bëggu yokkute ci monitëri usine yi ak terminal yu xarañ yu yaatu.
Integration bu kawe-Yokkute boole ay capteur yu laal, LCD TFT, weer muur, IC yu laal, ak yeneen mbir ngir sos ab pexe laal bu gëna mat sëkk.
Tëjteel
Xaralay laal capacitif mën na nuru lu yomb, waaye ci dëgg-dëgg sistem xarala yu mat sëkk la, yu am kapte capacitif, jumtukaayu kaptër, IC yu laal, algorithm yiy jëfandikoo siñaal, laal yu bari, laal gant, laal buy tere ndox, ak xaralay anti-interference.
Liko dalee ci telefon yu xarañ yi ba ci jumtukaayi doxal usine yi, liko dalee ci sistemu infotainment yi ci biir oto yi ba ci gaaraasu sarse energie yu bees yi, dem ba ci jumtukaayi pajum, mbay mi, ak yi ci biti, xaralay laal capacitif dafay wéy di dindi ay jafe-jafe ci environmaa yi ñuy jëfandikoo.
Ci ëlëg, ak yokkuteg algorithm yiy laal, jumtukaay, IC yiy saytu, ak xaralay wane, ekraŋ yiy laal capacitif dina ñu gëna jëm kanam ci wàllu sensitivite bu gëna kawe, gëna wóor, gëna mëna ànd ak environmaa bi, ak℃bu gëna rëy ci mëna tànn seeni bëgg-bëgg, di joxe pexe yu gëna dëgër, gëna am njariñ, ak gëna am xel. liggéey yu bari.
