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LCM zaub hom

Jul 03, 2018

LCM zaub hom

Cov kua siv lead ua kua dej yog ib qho uas yog sib dhos ua ke los ntawm cov kua siv lead ua kua, qhov txuas, qhov kev sib txuas, PCB Circuit Board, backlight thiab structure. Lub npe lus Askiv hu ua "LCD Module", hu ua "LCM" rau luv, thiab Suav feem ntau hu ua "LCD module". Nyob rau hauv qhov tseeb, nws yog ib qho kev tivthaiv kev lag luam. Raws li lub xeev cov txheej txheem ntawm peb lub teb chaws, tsuas yog cov muab faib ua ke uas yog hu ua "modules", uas muab faib rau "cov khoom". Vim li no, tus qauv yuav tsum raug hu ua "kua Crystal display module". Tab sis tau ntev, cov neeg tau txais kev ywj pheej hu nws "module".
Ua kua dej ua kua yog ib qho tseem ceeb ntawm kev siv tshuab siab thiab tshiab. Txawm hais tias nws daim ntawv thov nws kim heev, nws tseem nyuaj rau ntau tus neeg siv thiab dhos. Hauv particular, dot matrix liquid crystal displays, cov neeg siv yuav xav tias tsis paub pab. Kev sib txuas tshwj xeeb hom thiab cov khoom siv tshwj xeeb yuav tsis to taub thiab muaj. Vim li no, cov neeg siv cov kua siv lead ua kua tau xav kom ib tug neeg ua hauj lwm thiab sib sau ua ke cov khoom siv lead ua kua nrog kev tswj thiab tsav cov kev sib txuas ua ke kom muaj kev sib txuas. Tus neeg siv yuav tuaj yeem ua ke mus rau hauv ib qho tshuab tag nrho los ntawm kev siv cov cuab yeej technology.
Nyob rau hauv kev paub ntau, tag nrho cov khoom sib dhos los ntawm cov kua qaub thiab cov kev sib tshuam ua ke nrog rau "module", tiam sis qhov tseeb, qhov "module" peb feem ntau yog hais txog qhov teeb meem ntawm cov qauv siv lattice LCD los ntawm lub lattice kua crystal display, tshwj xeeb tshaj yog vim cov khoom ntawm cov kab kua ntoo kua qaub taub yog ntxiv rau qee cov qis loj loj. Qee cov ntau yam (xws li kev dictionaries, cov khoom siv sib txuas lus), cov lag luam muaj cov khoom siv kua dej ua kua rau cov neeg siv, yuav luag txhua tus qauv lattice LCD cov txheej txheem rau hauv cov khoom siv rau cov khoom siv, yog li nws yooj yim rau cov "LCD module" misunderstanding ntawm "dot matrix kua Crystal module".

A thiab digital LCD module
Nws yog ib qho kev sib txuas ua ke los ntawm ib lub vas sab LCD thiab ib qho kev sib xyuas tshwj xeeb. Nws tsuas qhia tau cov zauv thiab qee cov cim cim xwb. Feem ntau ntawm cov khoom siv dej ua kua dej siv rau hauv cov khoom siv ciaj ciam thiab lub hnab, xws li BP, xov tooj, hluav taws xob, tshuab xam zauv, MP3 thiab lwm yam. Nws kuj yog ib qho tseem ceeb hauv qee lub cuab yeej, xws li tsheb suab, roj cav thiab lwm yam. Vim hais tias cov cuab yeej no muaj tsawg me, lawv yuav tsum tsis raug tsim los ua cov khoom cais ntau li ntau tau. Txawm hais tias qee qhov chaw thov yuav tsum tau cais cov khoom cais, lawv yuav tsum muaj qee cov ntaub ntawv tau txais, ua, khaws cia thiab kis mus, nrog rau cov kev ua haujlwm, vim tias lawv muaj qee cov hom phiaj. Cov haujlwm tshwj xeeb tau txais tos los ntawm lub khw. Cov qauv digital cov qauv muaj cov nram qab no.

1. suav module
Qhov no yog qhov suav cov khoom siv uas suav ua ke los ntawm xya tus lej kua dej siv nrog cov lej sib txawv, los yog nrog ib tus neeg tsav tsheb los yog lub rooj sib hais. Nws muaj cov kev ua ntawm kev teev cia, kev ua thiab tso tawm cov xov tooj. Tam sim no, cov khoom tseem ceeb nyob rau hauv peb lub khw yog cov chav LCD khoom module uas tsav los ntawm CD4055 txiav txim tsav, thiab cov 4, 6, 8, 10, 12, 16 khoom, uas yog sib sau ua ke los ntawm cov kev sib tshuam ntawm ICM72ll, ICM7231, ICM7232 , CDl4543, UPDl45001, HD44100. Ob peb lub modules. Thaum xaiv hom kev ntsuas no, peb yuav tsum ua tib zoo saib xyuas cov ntsiab lus nram qab no:
Piav kom meej zog: txawm tias lawv raug hu los suav cov khoom, feem ntau lawv tsis tuaj yeem suav ncaj qha. Ib txhia ntawm lawv tsuas yog daim BCD Code interface, qee qhov yog BCD chaws ntxiv rau daim ntawv sib tw ntawm daim ntawv sib tw, thiab daim ntawv ntim uas txuas ncaj nraim nrog lub chaw nres nkoj thiab chaw nres nkoj, thiab lwm yam, xws li qhov yuav tsum tau xam los yog sau cov hlua ntawm cov ntsiab lus, thiab tseem yuav tsum kho qhov Circuit Court coj, ntawm chav kawm, qhov suav nqi yog zoo rau nruab nrab ntawm qhov module. Khoom.
Txuj ci qauv: kua crystal display devices muaj cov kev sib txawv installation thiab installation cov qauv. Feem ntau, qhov ntsuas no suav tias feem ntau yog ua los ntawm cov yeeb nkab siv roj hmab (rubber strip), yas (lossis hlau) xovxwm thiab PCB phaj kom sib sau tau lub vaj huam sib luag hauv LCD nrog qhov kev sib cog ua ke. Muaj ob peb lub pob yas qej, pin hom thiab PCB tus pin. Nco ntsoov lub hwj chim: ib lub cuab yeej yuav tsum siv lub hwj huam sib koom ua ke kom deb li deb tau. Nruab nrab module module suav muaj ib lub hwj chim tib thiab ib lub hwj huam ua dual, muaj ntau yam xws li 5V thiab 9V.
2. ntsuas module
Nws yog ib lub module nrog ntau ntu LCD thiab integrated circuit chip nrog decoding, tsav tsheb, suav thiab A / D kev hloov ua haujlwm. Vim tias qhov kev sib tshuam hauv kev koom ua ke muaj qhov kev hloov ntawm A / D hloov, analog analog teeb liab tau hloov mus rau digital cov duab. Peb paub tias txhua tus nqi ntawm lub cev, xws li cov tshuaj chemical (xws li pH, thiab lwm yam) yuav hloov mus rau analog hluav taws xob, yog tias ntev li nws muaj cuab kav ua tau nrog ib yam sensor, qhov ntsuas no muaj peev xwm ua tiav cov nqi ntawm qhov thaiv thiab cov khoom , nws yooj yim heev rau siv. Cov kev sib tshuam ua ke uas siv hauv cov qauv ntsuas yog cov ICL7106, ICL7116, ICL7126, ICL7136, ICL7135, ICL7129 thiab hais txog. Lub zog thiab cov cwj pwm ntawm cov kev sib txuas ua ke no txiav txim siab ua haujlwm thiab cov cwj pwm ntawm cov qauv ntsuas. Raws li cov khoom siv metrological, kev txheeb xyuas qhov teeb meem yuav tsum tau ua raws li cov cai. Pom zoo los ntawm Metrology Department, qhov khoom muaj nqis nrog daim ntawv pov thawj ntawm kev ntsuas.
3. sij hawm poob module
Lub sij hawm ntsuas siv cov kua siv lead ua kua ntev rau lub sijhawm ntev tshaj plaws, thiab lub sib dhos ntawm cov kua siv ua kua ua kua nrog lub sij hawm ua ke nrog lub sijhawm ua haujlwm. Vim hais tias nws tsis muaj lub plhaub ntawm qhov kev saib xyuas tas, nws yog hu ua lub sij hawm poob. Txawm hais tias lub sij hawm poob siv dav, tus txheej txheem thiab tus qauv sij hawm yog qhov yooj yim mus yuav hauv khw. Nws tsuas tuaj yeem yuav los yog txiav txim rau cov tub ntxhais uas tsim nyog los ntawm lub tshuab hluav taws xob. Lub sij hawm poob thiab qhov suav cov qauv zoo li nyob rau hauv cov tsos, tab sis lawv cov hom zaub yog txawv. Tus naj npawb ntawm lub sij hawm module yog ob qho khoom thiab ib pawg. Tus zauv ntawm ob lub khoom yog li ntawm cov zauv, thiab txhua lub module ntawm tus suav cov nruas yog nruam. Vim yog lub sijhawm thiab kev tswj haujlwm ntawm ntau lub sij hawm modules, cov txheej txheem no yuav muaj kev sib koom ua ke ntawm hluav taws xob thiab khoom siv, xws li cov xov tooj cua, tshuab CD, qhov cub microwave, hluav taws xob thiab lwm yam.
Ob, cov cim xim matrix module
Nws yog tsim los ntawm ib qho kev cim ntim cov qauv duab matrix thiab cov hlua tshwj xeeb, tus tsav tsheb, tus maub los thiab cov khoom sib txuas tsim nyog, thiab cov khoom sib dho sib dho, uas tuaj yeem pom cov qauv thiab cov ntawv xov xwm Western. Dot matrix ua cim module nws tus kheej muaj tus cim generator, muaj zaub loj thiab muaj nuj nqi ntau. Feem ntau, cov qauv no muaj peev xwm nthuav cov cim ntawm 8 khoom, 1 kab lossis 16 tshooj ntawm L. Qhov teeb meem ntawm qhov teeb meem ntawm qhov module no yog tsim los ntawm ib txheej ntawm pixel dots 5 x 7, 5 x 8 los yog 5 x 11. Muaj 1 points hauv txhua pawg, nws muaj ib qho ntawm txhua


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Feem ntau hauv kev tswj hwm, tus neeg tsav tsheb muaj ib lub tsev qiv ntawv ntawm 192 cim xim ntawv uas tau kho 192 cim, thiab tseem muaj cim xeeb CGRAM uas tso cai rau cov neeg siv kev tsim cov lag luam ntawm cov cim tshwj xeeb, cov neeg siv los tsim 8 5 * 8 dot matrix characters .


Peb, graphics dot matrix kua Crystal module
Qhov module no yog kev hloov los ntawm kev sib txuas lus ntawm cov khoom bitmap, thiab cov kab thiab cov kab no yeej tsis spaced hauv qhov kev teeb tsa. Yog li no, cov duab nrawm thiab tiav tau tso tawm kom pom. Vim hais tias nws yog ua los ntawm pixels ntawm XY matrix, nws muaj peev xwm tso saib ntau lub cim dhau graphics.
1. kab thiab kem uas tau tsav
Qhov no yog ib qho uas yuav tsum tau txuas nrog ib tus neeg tswj xyuas tshwj xeeb. Lub module tsuas yog nruab nrog ib hom kab thiab kem tsav. Cov tsav no tsuas yog qhov tso zis kawg ntawm lub pixel, thiab qhov davhlau tawm feem ntau tsuas yog 4 khoom ntawm cov ntaub ntawv cov ntaub ntawv, hloov lub teeb liab kis, xauv thiab kis mus rau, kev sib txuas lus kev sib txuas lus, thiab lwm yam, xws li H. D44100, HD66100 thiab on. Qhov module no yuav tsum tau txuas nrog txoj cai tswjfwm, xws li T6963C, SEDl335 thiab lwm yam. Tus qauv yog cov qauv ntau dua thiab siv ntau dua. Txawm hais tias tus tswj qhov tus kheej yuav tsum tau, nws kuj ua rau cov neeg tuaj yeem muaj kev ywj pheej xaiv lwm tus neeg tswj lawv tus kheej.
2. kab, kem tsav - tswj
Qhov no yog ib qho module uas muaj peev xwm ncaj qha mus rau hauv lub tshuab computer thiab ncaj qha tswj tus tsav tsheb los ntawm lub computer. Cov tsav ntawm sab nraud siv rau hom module no muaj I / O bus data interface, uas tuaj yeem ncaj qha rau hauv daim npav ntawm lub tshuab computer thiab txuag tau qhov tshwj xeeb xws li, yog li nws yog qhov zoo rau tag nrho txoj kev los txo nqi. Rau tsawg tus me pixels, tag nrho lub tshuab tsis muaj ntau lub zog, uas yog heev haum rau cov neeg siv uas paub txog computer software programming. Tab sis nws yuav siv qee qhov kev pab ntawm koj lub cev.
3. kab thiab kem tswj
Qhov no nws yog ib hom peev hauv nruab ntu nruab nrab ntawm cov ntaiv. Nws yog ib qho tseem ceeb tshaj plaws. No module tsis tsuas yog nruab nrog hom thawj kab, kem tsav, tab sis kuj yog ib qho kev tswj tshwj xeeb xws li T6963C, SED1335 thiab ntxiv rau. Qhov kev lag luam no yog qhov interface ntawm tus neeg tsav tsheb LCD thiab lub computer. Nws yog tswj los ntawm lub computer nyob rau hauv txoj kev nyuaj. Nws tau txais thiab tawm tswv yim txhua yam ntaub ntawv ntawm lub computer. Los ntawm nws tus kheej cov ntaub ntawv kev ua haujlwm, nws realizes tus tswj cov zaub tsis. Lub qhov dej muaj qhov qhia tias yuav tsum muaj qhov teeb meem, qhov nqes, thiab tus tsav tsheb rau tus tsav tsheb. Cov zaub muaj nuj nqi. Qhov kev tswj no nws muaj nws cov lus qhia tshwj xeeb cov lus qhia thiab nws muaj nws tus kheej ua cim generator CGROM. cov neeg siv yuav tsum paub txog cov lus qhia ntxaws ntawm cov maub los ua kom tiav. Qhov no module pub rau cov neeg siv kom tau tshem ntawm cov haujlwm ua haujlwm xws li tsim, ua thiab zus tau cov maub los. Nws tseem tuaj yeem tswj cov cumbersome tswj ntawm cov zaub thiab txuag cov kev pabcuam sab hauv ntawm tus tswv tsev system. Tseem muaj tib tug ntiv tes ua ke thiab tswj cov khoom, tshwj xeeb tshaj yog rau cov khoom xa khoom siv, xws li cov xov tooj ntawm tes, MP3, PDA, cov dictionaries, cov tshuab POS handheld, thiab lwm yam.