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Capacitive touch screen mfundo mwachidule

nkhani1

Chophimba cha capacitor chimatha kuzindikira kuwongolera kwamitundu yambiri powonjezera ma elekitirodi ogwirizana. Mwachidule, chophimba chimagawidwa mu midadada. Gulu la ma module ogwirizana amayikidwa m'dera lililonse kuti lizigwira ntchito modziyimira pawokha, kotero chophimba cha capacitor chimatha kuzindikira pawokha kukhudza kukhudza kwa dera lililonse, ndipo pambuyo pokonza, kuwongolera kwamitundu yambiri kumatha kuchitika mosavuta.
Capacity Touch Panel CTP (Capacity Touch Panel) imagwira ntchito pozindikira thupi la munthu. Chophimba cha capacitor ndi chophimba chagalasi chamagulu anayi. Pamwamba pa galasi chophimba ndi interlayer aliyense wokutidwa ndi wosanjikiza umodzi wa ITO (nano indium tini zitsulo okusayidi), ndi wosanjikiza akunja ndi silika galasi zoteteza wosanjikiza yekha 0.0015mm wandiweyani. Kupaka kwa interlayer ITO kumagwiritsidwa ntchito ngati malo ogwirira ntchito, ndipo ma electrode anayi amatengedwa kumakona anayi.

Projective capacitor panel

Chojambula chojambula chojambula chojambula chimakhala ndi ma ITO osiyanasiyana omwe amayendetsa ma modules pamagulu awiri a ITO opangira magalasi. Ziwerengero zomwe zakhazikitsidwa pama module awiriwa ndi ofanana, ndipo mutha kuziganizira ngati zowongolera zomwe zimasintha mosalekeza mumayendedwe a X ndi Y. Chifukwa mawonekedwe a X ndi Y ali pamalo osiyanasiyana, node ya capacitor imapangidwa pamzere wawo. Slider imodzi imatha kugwiritsidwa ntchito ngati mzere woyendetsa ndipo inayo ngati mzere wozindikira. Pamene panopa akudutsa waya wina pa galimoto mzere, ngati chizindikiro cha capacitance kusintha amachokera kunja, izo zingachititse kusintha capacitor mfundo pa waya wina. Kusintha kwa capacitance kumatha kuzindikirika kudzera muyeso yolumikizana ndi kuzungulira kwamagetsi, ndiyeno kudzera mu chowongolera cha A / D kusinthidwa kukhala chizindikiro cha digito ku kompyuta kuti mawerengedwe awerengedwe apeze (X, Y) malo olamulira, kuti akwaniritse cholinga choyika.

Panthawi yogwira ntchito, wolamulira amapereka mphamvu ku mzere woyendetsa galimotoyo, ndikupanga gawo linalake lamagetsi pakati pa node iliyonse ndi woyendetsa. Kenako, poyang'ana mizere yozindikira imodzi ndi imodzi, kusintha kwa mphamvu pakati pa maelekitirodi amayezedwa kuti azindikire malo amitundu yambiri. Pamene chala kapena kukhudza sing'anga ikuyandikira, wolamulira amazindikira mwamsanga kusintha kwa capacitance pakati pa node yogwira ndi waya, ndiyeno amatsimikizira malo okhudza. Shaft imodzi imayendetsedwa ndi ma siginecha amtundu wa AC, ndipo kuyankha pamakina okhudza kumayesedwa kudzera pa maelekitirodi pa shaft ina. Ogwiritsa amatchula izi ngati kulowetsa "traversal" kapena kuwonetseratu. Sensayo imakutidwa ndi X - ndi Y-axis ITO pattern. Pamene chala chikukhudza pamwamba pa chophimba chokhudza, mphamvu ya capacitance pansi pa kukhudzana kumawonjezeka pamene mtunda pakati pa malo okhudzidwa ukuwonjezeka. Kujambula kosalekeza pa sensa kumazindikira kusintha kwa mphamvu za capacitance, ndipo chipangizo chowongolera chimawerengera mfundo zolumikizana ndikuzibwezera ku purosesa.

nkhani2

Nthawi yotumiza: Apr-25-2023