1. Resistive kov npo yuav tsum tau ua kom cov khaubncaws sab nraud povtseg ntawm lub vijtsam tuaj rau hauv kev sib cuag. Koj tuaj yeem siv koj cov ntiv tes, txawm tias nrog hnab looj tes, rau tes, stylus, thiab lwm yam, los ua haujlwm. Kev them nyiaj yug rau stylus yog ib qho tseem ceeb hauv kev lag luam Esxias, qhov twg cov lus piav tes piav taw thiab cov ntawv lees paub yog ob qho tseem ceeb.
2. Capacitive kov npo, qhov kev sib cuag me tshaj plaws los ntawm qhov chaw ntawm tus ntiv tes them tuaj yeem qhib lub capacitive sensing system hauv qab lub vijtsam. Cov khoom tsis muaj tsiaj, cov rau tes, thiab hnab looj tes tsis siv tau. Kev paub sau ntawv yog qhov nyuaj dua.
3. Qhov tseeb
1. Resistive touch screen, qhov tseeb ncav cuag yam tsawg kawg nkaus ib lub pixel zaub, uas tuaj yeem pom thaum siv lub stylus. Ua kom yooj yim rau kev sau ntawv thiab ua kom yooj yim rau kev khiav lag luam hauv kev sib txuas siv cov khoom siv tswj me me.
2. Rau capacitive kov cov ntxaij vab tshaus, qhov tseeb theoretical muaj peev xwm ncav cuag ob peb pixels, tab sis nyob rau hauv kev xyaum nws yog txwv los ntawm tus ntiv tes kov cheeb tsam. Yog li ntawd nws yog qhov nyuaj rau cov neeg siv kom raug nyem rau lub hom phiaj me dua 1cm2. capacitive multi touch screen
4. Tus nqi
1. Resistive touch screen, pheej yig heev.
2. Capacitive kov npo. Capacitive cov ntxaij vab tshaus los ntawm cov tuam txhab sib txawv yog 40% mus rau 50% kim dua li cov ntxaij vab tshaus.
5. Multi-kov ua tau
1. Multi-kov tsis raug tso cai rau ntawm lub vijtsam kov tshwj tsis yog qhov kev sib txuas ntawm Circuit Court ntawm lub vijtsam resistive thiab lub tshuab yog rov tsim dua.
2. Capacitive touch screen, nyob ntawm seb txoj kev siv thiab software, tau ua tiav hauv G1 technology ua qauv qhia thiab iPhone. Lub 1.7T version ntawm G1 tuaj yeem siv tau ntau qhov kov ntawm qhov browser. lcd capacitive kov npo
6. Kev puas tsuaj kuj
1. Resistive kov npo. Cov yam ntxwv tseem ceeb ntawm qhov screen resistive txiav txim siab tias nws sab saum toj yog mos thiab yuav tsum tau nias. Qhov no ua rau lub vijtsam raug khawb heev. Resistive cov ntxaij vab tshaus xav tau cov yeeb yaj kiab tiv thaiv thiab kev ntsuas ntau zaus. Nyob rau sab ntxiv, cov khoom siv tiv thaiv touchscreen uas siv cov txheej yas feem ntau tsis muaj zog thiab tsis tshua muaj kev poob.
2. Capacitive kov npo, txheej txheej tuaj yeem siv iav. Txawm hais tias qhov no yuav tsis tuaj yeem rhuav tshem thiab tuaj yeem tawg thaum muaj kev cuam tshuam loj, lub iav yuav ua rau txhua hnub ua pob thiab smudges zoo dua. lcd capacitive kov npo
7. Kev ntxuav
1. Resistive touch screen, vim tias nws tuaj yeem ua haujlwm nrog lub stylus lossis tus ntiv tes, nws tsis tshua muaj cov ntiv tes, cov roj stains thiab cov kab mob ntawm lub vijtsam.
1. Rau cov ntxaij vab tshaus capacitive, koj yuav tsum tau siv koj tus ntiv tes tag nrho los kov, tab sis cov iav txheej txheej yog yooj yim dua los ntxuav. lcd capacitive kov npo
2. Capacitive kov npo (Nto capacitive)
Tus qauv ntawm lub capacitive touch screen yog tsuas yog los npog lub pob tshab nyias zaj duab xis txheej ntawm lub iav npo, thiab tom qab ntawd ntxiv ib daim iav tiv thaiv sab nraum tus neeg xyuas pib txheej. Qhov tsim ob-iav tuaj yeem tiv thaiv tus neeg xyuas pib txheej thiab sensor. projected capacitive kov vaj huam sib luag
Lub capacitive kov npo yog plated nrog ntev thiab nqaim electrodes ntawm tag nrho plaub sab ntawm lub vijtsam kov, ua rau qis-voltage AC hluav taws xob teb nyob rau hauv lub cev conductive. Thaum tus neeg siv kov lub vijtsam, vim yog lub zog hluav taws xob ntawm tib neeg lub cev, lub coupling capacitance yuav raug tsim ntawm tus ntiv tes thiab cov neeg xyuas pib txheej. Cov tam sim no tawm los ntawm plaub sab electrodes yuav ntws mus rau qhov sib cuag, thiab qhov kev siv ntawm tam sim no yog proportional rau qhov kev ncua deb ntawm tus ntiv tes thiab cov electrode. Tus maub los nyob tom qab ntawm lub vijtsam kov Nws yuav suav qhov kev faib ua feem thiab lub zog ntawm qhov tam sim no thiab xam qhov chaw ntawm qhov kov. Ob chav iav ntawm lub capacitive kov npo tsis tsuas yog tiv thaiv cov conductors thiab sensors, tab sis kuj zoo tiv thaiv sab nraud ib puag ncig los ntawm kev cuam tshuam rau lub vijtsam kov. Txawm hais tias lub vijtsam yog stained nrog av, plua plav lossis roj, lub capacitive touch screen tseem tuaj yeem xam qhov chaw kov kom raug. projected capacitive kov vaj huam sib luagResistive kov cov ntxaij vab tshaus siv lub siab sensing rau kev tswj. Nws lub ntsiab yog ib qho kev tiv thaiv zaj duab xis screen uas yog heev haum rau cov zaub nto. Qhov no yog ib tug multi-layer composite zaj duab xis. Nws siv ib txheej ntawm iav los yog tawv yas phaj raws li lub hauv paus txheej, thiab saum npoo yog coated nrog pob tshab conductive hlau oxide (ITO) txheej. txheej, npog nrog ib tug hardened, du thiab khawb-resistant yas txheej nyob rau sab nraud (lub puab nto kuj coated nrog ib tug ITO txheej), muaj ntau me me (li 1/1000 nti) pob tshab sib nrug ntawm lawv sib cais thiab insulate ob ITO. conductive txheej. Thaum tus ntiv tes kov lub vijtsam, ob txheej txheej txheej uas feem ntau yog insulated los ntawm ib leeg tuaj rau hauv kev sib cuag ntawm qhov kov. Vim hais tias ib qho ntawm cov txheej txheem conductive txuas nrog 5V qhov hluav taws xob tsis sib xws hauv Y-axis kev taw qhia, qhov hluav taws xob ntawm cov txheej txheem tshawb pom hloov pauv ntawm xoom mus rau Tsis yog xoom, tom qab tus tswj xyuas pom qhov kev sib txuas, nws ua A / D hloov dua siab tshiab thiab sib piv. qhov tau txais voltage tus nqi nrog 5V kom tau txais Y-axis kev tswj hwm ntawm qhov taw tes kov. Nyob rau hauv tib txoj kev, X-axis coordinate tau txais. Qhov no yog lub hauv paus ntsiab lus tseem ceeb tshaj plaws rau txhua qhov kev siv thev naus laus zis kov cov ntxaij vab tshaus. projected capacitive kov vaj huam sib luag
Resistive kov vaj huam sib luag
Tus yuam sij rau kev tiv thaiv kov cov ntxaij vab tshaus yog nyob rau hauv cov khoom siv thev naus laus zis. Feem ntau siv pob tshab conductive txheej cov ntaub ntawv yog:
① ITO, indium oxide, yog tus neeg xyuas pib tsis muaj zog. Nws cov yam ntxwv yog tias thaum lub thickness poob qis dua 1800 angstroms (angstroms = 10-10 meters), nws yuav dheev ua pob tshab, nrog lub teeb xa tawm ntawm 80%. Lub teeb transmittance yuav txo qis thaum nws ua thinner. , thiab nce mus rau 80% thaum lub thickness ncav cuag 300 angstroms. ITO yog cov khoom siv tseem ceeb siv hauv txhua qhov kev siv thev naus laus zis kov cov ntxaij vab tshaus thiab capacitive technology kov cov ntxaij vab tshaus. Qhov tseeb, qhov chaw ua hauj lwm ntawm resistive thiab capacitive technology kov cov ntxaij vab tshaus yog ITO txheej.
② Nickel-kub txheej, txheej txheej txheej txheej ntawm tsib-xaim resistive kov npo siv cov khoom siv nickel-kub txheej nrog cov khoom zoo. Vim kev sib chwv tsis tu ncua, lub hom phiaj ntawm kev siv cov khoom siv nickel-kub nrog cov ductility zoo rau cov txheej txheem txheej txheej sab nraud yog txhawm rau txuas lub neej kev pab cuam. Txawm li cas los xij, tus nqi ntawm cov txheej txheem yog qhov siab. Txawm hais tias cov nickel-kub conductive txheej muaj qhov zoo ductility, nws tsuas yog siv tau los ua tus neeg xyuas pib pob tshab thiab tsis haum raws li qhov chaw ua haujlwm rau lub vijtsam kov. Vim tias nws muaj cov khoom siv hluav taws xob siab thiab cov hlau tsis yooj yim kom ua tiav cov tuab tuab heev, nws tsis haum rau kev siv los ua cov txheej txheem hluav taws xob thiab tsuas yog siv tau los ua lub ntsuas. txheej. resistive kov vaj huam sib luag
1), plaub-xaim resistive kov vaj huam sib luag (resistive kov vaj huam sib luag)
Lub vijtsam kov yog txuas rau saum npoo ntawm cov zaub thiab siv nrog rau cov zaub. Yog tias qhov kev sib koom tes ntawm qhov taw tes kov ntawm lub vijtsam tuaj yeem ntsuas tau, tus kov lub tswv yim tuaj yeem paub raws li cov ntsiab lus ntawm cov duab lossis lub cim ntawm qhov sib koom ua ke ntawm qhov screen. Ntawm lawv, cov ntxaij vab tshaus kov cov tshuaj tiv thaiv feem ntau yog siv hauv cov tshuab kos. Cov tshuaj tiv thaiv kov yog 4-txheej pob tshab sib xyaw zaj duab xis npo. Hauv qab yog txheej txheej ua los ntawm iav los yog plexiglass. Sab saum toj yog txheej yas uas nws sab nrauv tau hardened kom nws du thiab khawb-resistant. Hauv nruab nrab yog ob txheej hlau conductive. Muaj ntau qhov sib txawv me me pob tshab ntawm ob txheej txheej txheej txheej ntawm lub hauv paus txheej thiab sab hauv ntawm cov txheej yas kom cais lawv. Thaum tus ntiv tes kov lub vijtsam, ob txheej txheej conductive tuaj rau hauv kev sib cuag ntawm qhov kov. Ob txheej hlau conductive ntawm lub vijtsam kov yog ob qhov chaw ua haujlwm ntawm lub vijtsam kov. Ib txoj hlua ntawm cov kua nplaum yog coated rau ntawm ob qhov kawg ntawm txhua qhov chaw ua haujlwm, uas yog hu ua ib khub ntawm electrodes ntawm qhov chaw ua haujlwm. Yog tias ib khub ntawm electrodes ntawm qhov chaw ua haujlwm yog siv qhov hluav taws xob, ib qho hluav taws xob tsis sib xws thiab txuas txuas txuas mus txuas ntxiv yuav raug tsim rau ntawm qhov chaw ua haujlwm. Thaum muaj qee qhov hluav taws xob raug siv rau cov electrode khub hauv X kev taw qhia thiab tsis muaj qhov hluav taws xob siv rau cov electrode khub hauv Y kev taw qhia, nyob rau hauv X parallel voltage teb, tus nqi hluav taws xob ntawm kev sib cuag tuaj yeem cuam tshuam rau Y + (lossis Y. -) electrode. , los ntawm kev ntsuas qhov hluav taws xob ntawm Y + electrode rau hauv av, X tswj tus nqi ntawm kev sib cuag tuaj yeem paub. Ib yam li ntawd, thaum qhov hluav taws xob tau siv rau Y electrode khub tab sis tsis muaj qhov hluav taws xob siv rau X electrode khub, Y kev koom tes ntawm kev sib cuag tuaj yeem paub los ntawm kev ntsuas qhov hluav taws xob ntawm X + electrode. 4 hlau resistive kov screen
Disadvantages ntawm plaub-xaim resistive touch screens:
Lub B sab ntawm lub vijtsam kov yuav tsum tau kov ntau zaus. B sab ntawm plaub-xaim resistive kov npo siv ITO. Peb paub tias ITO yog cov hlau tsis tshua muaj oxidized. Thaum siv, qhov tawg me me yuav tshwm sim sai sai. Thaum cov kab nrib pleb tshwm sim, qhov tam sim no uas thaum xub thawj ntws los yog yuam kom mus ncig ntawm qhov tawg, thiab qhov hluav taws xob uas yuav tsum tau muab sib npaug sib npaug raug rhuav tshem, thiab lub vijtsam kov tau raug puas tsuaj, uas tau tshwm sim raws li qhov tsis raug qhov chaw tawg. Raws li cov kab nrib pleb hnyav zuj zus tuaj, lub vijtsam kov yuav maj mam poob. Yog li ntawd, lub neej ua haujlwm luv luv yog qhov teeb meem tseem ceeb ntawm plaub-xaim resistive kov npo. 4 hlau resistive kov screen
2), tsib-xaim resistive kov npo
Lub hauv paus txheej ntawm tsib-xaim kev siv tshuab kov lub vijtsam ntxiv qhov hluav taws xob nyob rau hauv ob qho tib si cov lus qhia mus rau qhov chaw ua haujlwm ntawm iav los ntawm kev sib txuas ntawm kev sib txuas. Peb tuaj yeem nkag siab yooj yim tias cov hluav taws xob hluav taws xob hauv ob qho kev qhia tau siv rau tib qhov chaw ua haujlwm hauv lub sijhawm sib koom. Cov txheej txheej nickel-kub conductive tsuas yog siv los ua tus neeg xyuas pib ntshiab. Muaj ib txoj hauv kev tshawb xyuas lub sijhawm X thiab Y-axis voltage qhov tseem ceeb ntawm sab hauv ITO tiv tauj taw tes tom qab kov los ntsuas qhov chaw ntawm qhov taw tes kov. Sab hauv txheej ntawm ITO ntawm tsib-xaim resistive kov npo yuav tsum muaj plaub ua, thiab txheej txheej tsuas yog ua tus neeg xyuas pib. Muaj tag nrho ntawm 5 tus thawj coj ntawm lub vijtsam kov. Lwm cov cuab yeej cuab tam ntawm tsib-xaim resistive kov npo yog siv cov khoom siv hluav taws xob zoo los kho cov teeb meem linearity ntawm sab hauv ITO: tsis sib xws ntawm qhov hluav taws xob vim qhov ua tau tsis sib xws ntawm cov txheej txheem conductive. 5 hlau resistive kov npo
Resistive screen ua haujlwm yam ntxwv:
① Lawv yog ib qho chaw ua haujlwm uas cais tawm ntawm lub ntiaj teb sab nraud thiab tsis ntshai plua plav, dej vapor thiab roj paug.
② Lawv tuaj yeem kov nrog txhua yam khoom thiab tuaj yeem siv los sau thiab kos duab. Qhov no yog lawv qhov txiaj ntsig loj tshaj plaws.
③ Qhov tseeb ntawm cov tshuaj tiv thaiv tiv thaiv tsuas yog nyob ntawm qhov tseeb ntawm A / D hloov dua siab tshiab, yog li nws tuaj yeem ncav cuag 2048 * 2048. Nyob rau hauv kev sib piv, tsib-xaim resistor yog superior rau plaub-xaim resistor nyob rau hauv kom ntseeg tau tias kev daws teeb meem, tab sis tus nqi yog siab. Yog li ntawd tus nqi muag yog siab heev. 5 hlau resistive kov npo
Kev txhim kho rau tsib-xaim resistive kov npo:
Ua ntej ntawm tag nrho cov, A sab ntawm tsib-xaim resistive kov screen yog conductive iav es tsis txhob ntawm ib tug conductive txheej. Cov txheej txheem iav conductive zoo heev txhim kho lub neej ntawm A sab thiab tuaj yeem ua rau kom lub teeb xa mus. Qhov thib ob, tsib-xaim resistive kov npo muab tag nrho cov dej num ntawm qhov chaw ua hauj lwm mus rau lub neej ntev A sab, thaum B sab tsuas yog siv los ua tus neeg xyuas pib, thiab siv cov nickel-kub pob tshab txheej txheej nrog zoo ductility thiab qis. tiv taus. Yog li ntawd, B side Lifespan kuj zoo heev.
Lwm cov cuab yeej cuab tam ntawm tsib-xaim resistive kov lub vijtsam yog siv lub ntsuas hluav taws xob sib txuas los kho qhov teeb meem linearity ntawm A sab: vim yog qhov tsis sib xws ntawm cov txheej txheem engineering, uas yuav ua rau tsis sib xws ntawm qhov chaw voltage, precision resistor network ntws thaum ua haujlwm. Nws hla feem ntau ntawm tam sim no, yog li nws tuaj yeem them nyiaj rau qhov ua tau linear distortion ntawm qhov chaw ua haujlwm.
Lub tsib-xaim resistive kov npo yog tam sim no qhov zoo tshaj plaws resistive technology touch screen thiab yog tsim nyog rau siv nyob rau hauv cov tub rog, kev kho mob, thiab kev lag luam tswj teb. 5 hlau resistive kov npo
Post lub sij hawm: Nov-01-2023