Analog koob yees duab yog siv hauv kev lag luam rau kev saib xyuas cov khoom. Cov qauv niaj hnub no yog tsim nrog cov lo ntsiab muag rhiab heev. Feem ntau cov chav yog ua nrog high conductivity. Qhov kev daws teeb meem ntawm cov cuab yeej sib txawv heev. Tsis tas li ntawd, qhov tseem ceeb ntawm cov koob yees duab yuav tsum suav nrog lub kaum sab xis saib thiab focal ntev. Tsis tas li ntawd, qhov zaus ntawm cov cuab yeej raug coj mus rau hauv tus account. Yuav kom nkag siab txog cov koob yees duab analog hom hauv kev nthuav dav, nws raug nquahu kom xav txog cov txheej txheem hloov kho.
koob yees duab layout
Cov qauv txheej txheem ntawm lub koob yees duab analog suav nrog kev siv lub lens tiv tauj, module thiab chav tswj. Lenses yog siv tsawg thiab siab rhiab heev. Cov yeeb yaj kiab tso tawm tau teeb tsa hauv ntau qhov sib txawv. Thyristors rau cov qauv tsim nyog nrog lub zaus ntawm 400 MHz. Tsis tas li ntawd, nws tseem ceeb heev uas yuav tsum nco ntsoov tias cov adapters rau cov koob yees duab tau teeb tsa nrog cov tswj hwm.
Qauv Hom
Muaj ntau hom analog koob yees duab. Raws li hom kev teeb tsa, cov qauv muab faib ua kev hloov kho sab hauv thiab sab nraud. Thawj qhov kev xaiv yog feem ntauhaum rau cov tsev ua haujlwm. Lawv siv matrices ntawm tsawg conductivity. Hauv qhov no, lub kaum sab xis saib tsis tshaj 12 degrees. Yog tias peb xav txog cov koob yees duab sab nraud, lawv muaj lub lens dav. Cov khoom siv feem ntau siv cov kab hluav taws xob module. Qhov siab tshaj plaws saib lub kaum sab xis rau cov qauv yog 160 degrees. Los ntawm kev tsim, rotary thiab projector hloov kho yog qhov txawv.
Internal koob yees duab
Sab hauv tsev analog CCTV koob yees duab yog tsim nrog racks rau kev teeb tsa. Cov qauv niaj hnub no txawv los ntawm kev daws teeb meem siab, lawv siv cov khoom siv hluav taws xob. Lub focal ntev ntawm cov khoom siv pib los ntawm 3.5 meters.
Yuav ua li cas txuas lub koob yees duab hauv tsev analog? Qee cov qauv raug ntsia ncaj qha los ntawm tus neeg xyuas pib. Expanders rau kev hloov kho yog xaiv nyob rau hauv ib tug zoo kev taw qhia.
Qhov ntsuas qhov ntsuas siab ntawm lub koob yees duab sab hauv yog kwv yees li 5.5 mV. Cov khoom siv feem ntau yog tsim nrog PP video tso zis. Nws tseem yuav tsum tau muab sau tseg tias muaj kev hloov kho nrog cov hloov pauv hloov pauv. Kev khiav hauj lwm zaus ntawm lub koob yees duab sab hauv yog hais txog 450 MHz. Cov qauv feem ntau yog ua nrog kev tiv thaiv. Nws tseem yuav tsum tau muab sau tseg tias cov cuab yeej sib txawv ntawm cov suab nrov. Qee qhov xwm txheej, cov koob yees duab txuas nrog ntawm channel adapters.
koob yees duab sab nraud
Lub koob yees duab sab nraud sawv tawm nrog lub kaum sab xis pom dav. Lawv muaj kev ruaj ntseg zoo dua. Xws li kev hloov kho feem ntau yog ntsia ntawm qhov nkag ntawm cov tsev ua haujlwm. Cov qauv kuj feem ntau siv ua ntejkhw. Lawv lub kaum sab xis saib, raws li txoj cai, tsis tshaj 230 degrees. Qee cov qauv yog tsim los nrog kev sib cuag adapter ntawm cov zis video. Qhov kev daws teeb meem hauv lub koob yees duab yog txawv. Feem ntau cov qauv ua haujlwm los ntawm lub modulator. Tsis tas li ntawd, nws yog ib qho tseem ceeb uas yuav tsum nco ntsoov tias muaj cov koob yees duab nrog ntau lub channel adapters. Kev khiav hauj lwm zaus parameter nyob rau hauv cov khoom siv mus txog qhov siab tshaj plaws ntawm 450 MHz. Lenses yog siv nyob rau hauv ntau chav kawm. Apertures tau teeb tsa hauv P40 series.
Thaum xaiv qhov kev hloov kho, nws yog ib qho tseem ceeb uas yuav tsum tau ua tib zoo mloog rau cov khoom siv. Kev yees duab hmo ntuj yuav tsum tau lim tshwj xeeb. Nws tseem yuav tsum tau muab sau tseg tias muaj cov qauv nrog lub teeb rhiab heev. Kev sib txuas ntawm lub koob yees duab wireless yog ua los ntawm cov kab hluav taws xob tawm. Cov kev sib piv rau cov khoom siv tau raug sib koom ua ke los ntawm cov kev taw qhia qis. Yog hais tias peb xav txog ib tug qauv yooj yim nrog ib tug luv luv khib, ces nws yog tsau los ntawm ib tug module. Cov qauv niaj hnub yog tsim nrog AC tso zis. Thyristors yog siv los txuas rau lawv. Cov khoom no yog muag nrog lossis tsis muaj rectifier. Nws kuj tseem tsim nyog sau cia tias muaj kev hloov kho ntawm cov khoom siv hluav taws xob uas kaw ntawm lub module. Txhawm rau txuas xws li kev hloov kho, ib qho tshwj xeeb contactor raug teeb tsa. Hauv qhov no, lub koob yees duab txuas nrog lub computer. Txhawm rau teeb tsa cov cuab yeej siv, mus rau cov ntawv qhia zaub mov. Hauv qhov no, ntau nyob ntawm qhov kev ua haujlwm.
PTZ koob yees duab
PTZ analog CCTV koob yees duab suav nrog ntau lub channel matrix thiab ib lub lo ntsiab muag. Lub module yog siv nrog ib tug thyristor. Txuas lub koob yees duab analogfeem ntau los ntawm kev hloov. Yog tias peb xav txog tus qauv qauv, ces nws muaj kev daws teeb meem ntawm 780 los ntawm 500 pixels. Qee cov khoom siv tau tsim los txhawb CP hom.
Nws kuj yuav tsum tau muab sau tseg tias cov qauv muaj tshwj xeeb txav racks. Cov tsav tsheb tsuas yog siv hom tswj. Qee lub tsev yog qhov txawv los ntawm qhov tsis muaj zog. Rectifiers rau lawv raug xaiv rau ob qhov zis. Txhawm rau nruab qhov kev hloov kho, koj yuav xav tau ib qho kev sib cuag txuas ntxiv, uas kaw rau ntawm lub hwj huam mov. Lub khoos phis tawj tus kheej tsis tu ncua yog siv los teeb tsa lub koob yees duab.
Txoj kev sib txuas cov koob yees duab tsim
Lub koob yees duab analog tsim tau tso cai rau kev sib txuas ntawm dipole modulator. Tus maub los yog siv nrog ib lub adapter. Cov kws tshaj lij hais tias cov lim siv nrog tus contactor.
Yog tias peb xav txog kev hloov kho hlau, lawv muaj PP cov zis. Hauv qhov no, lub adapter yog siv nrog lub expander. Nws tseem yog ib qho tseem ceeb uas yuav tsum nco ntsoov tias qee cov qauv txuas nrog tsuas yog los ntawm peb lub tso zis contactor. Hauv qhov no, cov khoom siv tau teeb tsa ua tsaug rau tus kheej lub computer. Tus qauv qauv yog adjustable ntawm vaj huam sib luag. Xav txog kev hloov kho ntawm modulators, nws yog ib qho tsim nyog sau cia tias lawv yuav tsum tau nruab ib qho kev hloov pauv hloov pauv. Lub adapter rau cov hom phiaj no yog siv rau peb channel. Ib qho kev nthuav dav uas tsis tshua muaj siab yuav ua kom tiav lub voj voog.
Zoo tshaj analog hom koob yees duab
ActiveCam AC-TA461IR2 yog lub koob yees duab analog zoo tshaj plaws uas tsis ntev los noyog nyob rau hauv kev thov zoo heev. Nws muaj lub lens zoo uas tso cai rau koj los tua cov yeeb yaj kiab hauv kev daws teeb meem siab. Lub matrix ntawm tus qauv tsis siv hluav taws xob ntau. Ntxiv nrog rau qhov zoo ntawm cov cuab yeej, nws tsim nyog sau cia qhov zoo conductivity ntawm kev hloov kho. Cov kws tshaj lij ntseeg tias cov cuab yeej siv tau yooj yim heev rau nruab. Nws tseem yuav tsum tau muab sau tseg tias tus qauv muaj lub cev zoo heev. Cov lim hauv qhov no yog hom photosensitive.
Kev teeb tsa rau lub computer
Analogue koob yees duab txuas nrog lub computer siv lub adapter. Nyob rau hauv rooj plaub no, ntau nyob ntawm qhov tso zis ntawm lub vaj huam sib luag. Yog tias peb xav txog cov khoom siv nrog PK connector, lawv siv lub contactor yam tsis muaj qhov nthuav dav. Hauv qhov no, lub koob yees duab txuas ncaj qha los ntawm tus contactor. Nws tseem yuav tsum tau muab sau tseg tias qhov kev hloov kho tuaj yeem teeb tsa siv tus tsav tsheb. Qee cov khoom siv tau ua nrog PE tso zis. Lawv tsis haum tus qauv expander. Nws yog qhov tsim nyog xaiv lub adapter nrog lub transceiver. Feem ntau cov kws tshaj lij tsuas yog siv cov kev hloov kho txuas ntxiv xwb. Yog tias koj nruab ntau lub koob yees duab, ces lub receiver yog siv rau qhov no. Cov khoom siv niaj hnub no yog tsim los rau ob qhov tso zis.
Txuas ntawm lub laptop
Los ntawm lub laptop koj tuaj yeem txuas cov koob yees duab analog ntawm ntau hom. Yog tias peb xav txog cov khoom siv hluav taws xob, lub transceiver yog siv rau lawv. Rectifiers yog ntsia nrog thiab tsis muaj lim. Nws yuav tsum tau muab sau tseg tias lub koob yees duab yog mounted los ntawm modules. Hais txog kev hloov kho channel, nws tsim nyogNco ntsoov tias lawv siv KE connectors. Tag nrho cov no qhia tias tus qauv kev sib txuas module yuav tsis ua haujlwm.
Hauv qhov no, tsuas yog kev hloov kho nrog lub dipole adapter tuaj yeem siv tau. Nyob rau hauv cov ntaub ntawv no, lub rectifier yog ntsia nrog ib tug nthwv dej hloov. Txhawm rau teeb tsa lub koob yees duab, koj yuav tsum tau mus rau lub vaj huam sib luag tswj. Tom ntej no, nws yog ib qho tseem ceeb kom kuaj tau lub cuab yeej tshiab; rau qhov no, muaj kev ua haujlwm scanning. Tom qab ntawd, txhua yam uas tseem tshuav yog hloov kho tus tsav tsheb hloov kho.
Siv ib chav 10V
10V cov khoom siv hluav taws xob tsuas yog tsim rau cov koob yees duab sab nraud. Hu rau modulators yog siv los txuas cov kev hloov kho. Nyob rau hauv cov ntaub ntawv no, lub controllers yog ntsia nrog adapters ntawm txawv conductivity. Cov cuab yeej siv niaj hnub no yog tsim nrog kev tso tawm ntawm Koom pheej ntawm Kazakhstan. Lawv muaj cov txheej txheem txheej txheem.
Nws tseem yuav tsum tau muab sau tseg tias muaj cov khoom siv nrog cov hloov pauv hloov pauv. Cov koob yees duab rau cov qauv zoo li no tsuas yog tsim rau hom tsim. Lub rectifier nws tus kheej yog hom tsis tshua muaj siab. Cov kws tshaj lij hais tias lub thyristor raug xaiv nrog lub filament adapter. Ua ntej ntawm tag nrho cov, ib tug expander yog txuas nrog lub Circuit Court. Tom qab ntawd, cov koob yees duab thiab lub hwj chim tau teeb tsa.
