Dab tsi yog qhov txawv ntawm qhov chaw capacitive thiab projected capacitive?

Projected Capacitive (PCAP) thiab Surface Capacitive (SCAP) touch panels yog ob hom nrov tshaj plaws ntawm kov nposiv varcov khoom siv zoo. Thaum ob leeg muab kev ntseeg siab thiab teb rau kojch cov tswv yim, muaj qhov sib txawv tseem ceeb ntawm lawv. Projected Capacitive (PCAP) kov vaj huam sib luag yog cov khoom siv dav tshaj plaws hauv cov khoom siv niaj hnub xws li smartphones, ntsiav tshuaj, thiab laptops. Surface Capacitive (SCAP) touch panels yog hom thib ob nrov tshaj plaws tom qab PCAP. Lawv pheej yig dua los tsim dua PCAP kov vaj huam sib luag, ua rau lawv muaj kev xaiv zoo nkauj rau cov khoom siv qis kawg. SCAP kov vaj huam sib luag kuj muaj qhov ua tau zoo, tiv thaiv khawb thiab puas, thiab tuaj yeem tiv taus ib puag ncig ib puag ncig. Cia's pom qhov sib txawv tseem ceeb hauv qab no:

1. Qauv:

• Nto capacitive kov npo: Cov qauv yog yooj yim heev. Lub pob tshab conductive txheej yog plated rau ntawm iav, thiab tom qab ntawd cov txheej tiv thaiv yog ntxiv rau ntawm cov txheej txheem conductive. Cov electrodes tau muab tso rau ntawm plaub lub kaum sab xis ntawm lub khob, thiab plaub lub kaum sab xis yog txuas nrog tus maub los.

• Projected capacitive touch screen: Cov qauv sab hauv yog qhov nyuaj, feem ntau suav nrog lub rooj tsav xwm hauv Circuit Court nrog ib qho kev sib xyaw IC nti rau kev ua cov ntaub ntawv, nrog ntau cov pob tshab electrode txheej nrog cov qauv uas tau teev tseg, thiab ib txheej ntawm insulating iav los yog yas npog rau saum npoo. Cov khaubncaws sab nraud povtseg no feem ntau yog teem rau hauv matrix los ua ib qho electrode array ntawm X-axis thiab Y-axis.

2. Lub hauv paus ntsiab lus ua haujlwm:

• Nto capacitive: Nws ua haujlwm los ntawm kev tsim cov hluav taws xob tsis sib xws ntawm qhov screen. Cov electrodes ntawm plaub lub ces kaum yog siv nrog tib theem voltage los tsim ib qho hluav taws xob teb. Thaum tus ntiv tes kov lub khob saum npoo, ib txoj kab tam sim no yuav ntws, thiab tam sim no yuav ntws los ntawm tus ntiv tes los ntawm plaub fab ntawm lub khob. Tus maub los txiav txim siab qhov chaw tshwj xeeb ntawm qhov taw tes kov los ntawm kev ntsuas qhov feem ntawm qhov tam sim no ntws los ntawm plaub lub kaum sab xis. Qhov ntsuas tam sim no tus nqi yog inversely proportional rau qhov kev ncua deb ntawm qhov kov taw tes rau plaub fab.

• Projected capacitive: Nws ua hauj lwm los ntawm kev siv tam sim no induction ntawm tib neeg lub cev. Thaum tus ntiv tes mus los yog kov lub ntsej muag ntawm lub vijtsam kov, nws yuav ua rau muaj kev hloov pauv hauv lub peev xwm ntawm cov electrode matrix ntawm lub vijtsam kov. Raws li txoj haujlwm thiab qib ntawm kev hloov pauv, qhov kov ntawm tus ntiv tes tuaj yeem txiav txim siab. Qhov projected capacitive technology tau muab faib ua ob txoj hauv kev: tus kheej capacitance (tseem hu ua absolute capacitance) thiab kev sib tham sib capacitance. Self-capacitance siv cov khoom paub (xws li tus ntiv tes) zoo li lwm lub phaj ntawm lub capacitor; interactive capacitance yog lub capacitance tsim los ntawm kev sib txuas ntawm cov electrodes uas nyob ib sab.

3. Kov kev ua tau zoo:

• Kov qhov tseeb:

• Kev kov qhov tseeb ntawm qhov screen capacitive kov cov ntxaij vab tshaus yog qhov tsawg, thiab tej zaum yuav tsis ua tau raws li qhov yuav tsum tau muaj hauv qee qhov xwm txheej uas yuav tsum muaj qhov raug kov siab heev.

• Projected capacitive kov cov ntxaij vab tshaus muaj qhov raug kov ntau dua thiab tuaj yeem txheeb xyuas qhov chaw kov tau zoo dua, uas tsim nyog rau qee qhov kev thov uas yuav tsum tau ua haujlwm raug.

• Kev them nyiaj yug ntau kov:

• Nto capacitive kov cov ntxaij vab tshaus feem ntau tsuas yog txhawb nqa ib qho taw tes kov. Txawm hais tias muaj kev txwv ntau lub zog tuaj yeem ua tiav raws li qee cov thev naus laus zis txhim kho, cov nyhuv thiab kev ruaj ntseg tsis zoo li qhov projected capacitive.

• Projected capacitive kov cov ntxaij vab tshaus tuaj yeem pab txhawb kev ua haujlwm ntau kov, thiab tuaj yeem paub txog kev ua haujlwm ntawm tes taw xws li zoom, rub, thiab tig. Qhov no yog ib qho ntawm cov laj thawj tseem ceeb vim li cas nws tau siv dav hauv cov khoom siv xws li smartphones thiab ntsiav tshuaj.

4. Daim ntawv thov scenarios:

• Nto capacitive: Feem ntau siv nyob rau hauv loj-scale siv sab nraum zoov, xws li pej xeem cov ntaub ntawv platforms, pej xeem kev pab platforms thiab lwm yam khoom. Vim tias nws cov thev naus laus zis yog qhov paub tab thiab ruaj khov, nws muaj zog yoog rau ib puag ncig thiab tuaj yeem tswj tau qhov kev ua tau zoo hauv qee qhov chaw sab nraum zoov hnyav.

• Projected capacitive: Feem ntau yog siv hauv cov khoom siv hluav taws xob me me thiab nruab nrab nrog cov kev xav tau siab rau kev kov, xws li smartphones, ntsiav tshuaj, laptops, thiab lwm yam. Ntawm cov khoom siv no, cov neeg siv xav tau siab rau qhov raug kov, rhiab heev thiab kov ntau lub zog.

5. Nqi:

• Tus nqi tsim khoom ntawm cov ntxaij vab tshaus capacitive kov yog qhov tsawg, tshwj xeeb tshaj yog nyob rau hauv daim ntawv thov ntawm cov ntxaij vab tshaus loj, nws muaj qee yam zoo. Txawm li cas los xij, nws cov tuam txhab vaj huam sib luag tau ntev tsis muaj qhov tseem ceeb ntawm cov txheej txheem kho qhov muag, thiab tus nqi ntawm kov ICs kuj tseem siab, uas ua rau tsis muaj txiaj ntsig zoo rau cov ntawv thov me me.

• Tus nqi tsim khoom ntawm qhov projected capacitive kov cov ntxaij vab tshaus yog qhov siab, tshwj xeeb tshaj yog vim lawv cov qauv kev ua haujlwm thiab kev tsim khoom siab, uas ua rau cov txheej txheem tsim khoom kim dua. Txawm li cas los xij, nrog kev txhim kho txuas ntxiv ntawm thev naus laus zis thiab kev nthuav dav ntawm kev tsim khoom, tus nqi yog maj mam txo qis.

PCAP thiab SCAP muaj lawv qhov zoo thiab qhov tsis zoo. Peb tuaj yeem xaiv qhov tsim nyog raws li peb xav tau thiab pob nyiaj siv. Lub taub hau Sun yog lub Hoobkas tshaj lij uas muab ntau qhov ntau thiab tsawg ntawm Surface capacitive touch screens.