Qhov txawv ntawm Analog thiab Digital CCTV Cameras
Kev ruaj ntseg yog ib qho tseem ceeb ntawm lub neej txhua hnub, txawm tias nyob hauv tsev, hauv chaw ua haujlwm, lossis hauv thaj chaw pej xeem. Ib qho ntawm cov khoom siv ruaj ntseg uas siv ntau tshaj plaws yog lub koob yees duab CCTV (Closed-Circuit Television). Txawm li cas los xij, thaum xaiv lub kaw lus CCTV, peb ntsib ob txoj kev xaiv tseem ceeb: lub koob yees duab analog thiab digital CCTV. Txawm hais tias lawv lub hom phiaj tseem ceeb yog tib yam, ob hom koob yees duab no muaj ntau qhov sib txawv tseem ceeb hauv kev siv tshuab, qhov zoo ntawm cov duab, kev teeb tsa, thiab txawm tias tus nqi. Tsab xov xwm no yuav tshawb nrhiav qhov sib txawv ntawm cov koob yees duab analog thiab digital CCTV tob tob.
1. Kev Siv Tshuab Yooj Yim
Lub Koob Yees Duab CCTV Analog
Cov koob yees duab CCTV analog tau muaj nyob rau ntau xyoo lawm thiab ua haujlwm raws li cov ntsiab cai yooj yim ntawm kev siv TV analog. Hom koob yees duab no ntes tau ib lub teeb liab video thiab xa mus rau lub cuab yeej kaw suab, xws li Digital Video Recorder (DVR), ntawm coaxial cable. Lub teeb liab no tuaj yeem tso tawm rau ntawm lub monitor lossis khaws cia rau DVR rau kev saib tom qab.
Lub Koob Yees Duab CCTV Digital
Qhov sib txawv, cov koob yees duab CCTV digital, tseem hu ua IP (Internet Protocol) koob yees duab, siv cov thev naus laus zis digital los ntes thiab xa cov teeb liab video. Cov teeb liab digital no raug xa mus rau hauv IP network, ua rau cov duab zoo dua thiab yooj yim khaws cia. Cov koob yees duab digital feem ntau xa cov ntaub ntawv video hla Ethernet lossis kev sib txuas hauv internet, uas tuaj yeem khaws cia rau ntawm Network Video Recorder (NVR) lossis hauv huab.
2. Qhov Zoo ntawm Duab
Lub Koob Yees Duab CCTV Analog
Feem ntau cov duab zoo ntawm cov koob yees duab analog raug txwv los ntawm qhov siab tshaj plaws uas lub kaw lus analog tuaj yeem xa tau. Feem ntau cov koob yees duab analog txheem muaj qhov kev daws teeb meem ntawm 420 thiab 700 TVL (cov kab TV). Txawm hais tias txaus rau kev saib xyuas yooj yim, qhov zoo ntawm cov duab tuaj yeem tsis meej, tshwj xeeb tshaj yog thaum sim paub cov ntsiab lus me me xws li lub ntsej muag lossis daim ntawv tsav tsheb.
Lub Koob Yees Duab CCTV Digital
Cov koob yees duab digital muaj qhov kev daws teeb meem siab dua li cov koob yees duab analog. Qhov kev daws teeb meem ntawm cov koob yees duab digital tuaj yeem ncav cuag HD (High Definition), Full HD, 4K Ultra HD, thiab txawm tias siab dua. Qhov no txhais tau tias cov ntsiab lus me me zoo li meej dua thiab raug dua, uas yog qhov tshwj xeeb tshaj yog rau kev paub lub ntsej muag lossis nyeem daim ntawv tsav tsheb. Qhov kev daws teeb meem ntxiv no tso cai rau cov neeg siv kom zoom rau hauv cov duab yam tsis poob ntau cov ntsiab lus.
3. Kev Teeb tsa thiab Kev Sib Txuas
Lub Koob Yees Duab CCTV Analog
Kev teeb tsa lub tshuab CCTV analog feem ntau yooj yim dua li lub tshuab digital, tshwj xeeb tshaj yog tias nws tsuas yog siv rau kev saib xyuas yooj yim xwb. Cov koob yees duab analog txuas nrog lub cuab yeej DVR ntawm coaxial cable. Qhov kev teeb tsa no xav tau kev teeb tsa network tsawg dua tab sis yuav xav tau ntau cabling, tshwj xeeb tshaj yog rau cov tshuab loj dua.
Lub Koob Yees Duab CCTV Digital
Cov tshuab CCTV digital xav tau kev saib xyuas ntau dua rau kev teeb tsa network. Cov koob yees duab IP txuas ntawm Ethernet, uas kuj tuaj yeem xa hluav taws xob los ntawm Power over Ethernet (PoE). Qhov no txhais tau tias tsawg dua cov cables thiab kev teeb tsa huv dua. Txawm li cas los xij, kev koom ua ke nrog lub network computer tuaj yeem xav tau kev txawj ntse ntau dua hauv kev teeb tsa IP, firewalls, thiab kev tswj hwm bandwidth.
4. Kev Khaws Cia thiab Kev Nkag Mus
Lub Koob Yees Duab CCTV Analog
Cov tshuab analog feem ntau siv DVRs los khaws cov yeeb yaj kiab. Qhov chaw khaws cia no yog nyob hauv zos thiab feem ntau tsuas yog nkag tau ncaj qha los ntawm DVR nws tus kheej. Kev nkag mus rau deb feem ntau xav tau cov khoom siv ntxiv lossis kev teeb tsa nyuaj.
Lub Koob Yees Duab CCTV Digital
Cov koob yees duab digital muaj kev ywj pheej ntau dua hauv kev khaws cia thiab nkag mus. Cov yeeb yaj kiab tuaj yeem khaws cia rau ntawm NVR lossis ncaj qha rau hauv huab, ua rau nkag tau yooj yim los ntawm txhua qhov chaw ntawm internet. Cov neeg siv tuaj yeem nkag mus rau cov yeeb yaj kiab los ntawm cov khoom siv mobile lossis cov khoos phis tawj nrog lub app tsim nyog, muab kev yooj yim dua thiab kev ywj pheej.
5. Kev nthuav dav
Lub Koob Yees Duab CCTV Analog
Kev ntxiv cov koob yees duab tshiab rau hauv lub tshuab CCTV analog tuaj yeem yog ib qho txheej txheem nyuaj dua, tshwj xeeb tshaj yog tias tus naj npawb ntawm cov koob yees duab txuas nrog DVR yuav luag txog nws qhov peev xwm siab tshaj plaws. Txhua lub koob yees duab ntxiv xav tau ntau cov xov hlau coaxial thiab cov chaw nres nkoj nkag ntawm DVR.
Lub Koob Yees Duab CCTV Digital
Cov tshuab CCTV digital muaj peev xwm nthuav dav dua li cov tshuab analog. Cov koob yees duab IP tuaj yeem ntxiv tau yooj yim rau hauv lub network uas twb muaj lawm, thiab NVR feem ntau txhawb nqa ntau lub koob yees duab. Ntxiv mus, yog tias xav tau ntau qhov chaw cia khoom lossis ua haujlwm tau zoo, kev khaws cia huab lossis cov servers ntxiv tuaj yeem sib xyaw ua ke tau yooj yim.
6. Cov Nqi thiab Cov Nqi
Lub Koob Yees Duab CCTV Analog
Cov koob yees duab CCTV analog feem ntau pheej yig dua thaum pib siv. Cov koob yees duab, cov cables, thiab DVRs feem ntau pheej yig dua, ua rau lawv yog qhov kev xaiv zoo rau cov neeg siv uas tsis muaj nyiaj ntau. Txawm li cas los xij, cov nqi teeb tsa thiab kev saib xyuas ntawm cov cables tuaj yeem nce ntxiv mus rau lub sijhawm ntev.
Lub Koob Yees Duab CCTV Digital
Cov koob yees duab CCTV digital feem ntau kim dua vim tias lawv cov thev naus laus zis siab dua thiab cov yam ntxwv ntxiv. Txawm li cas los xij, cov nqi teeb tsa tuaj yeem qis dua vim yog siv PoE (Power over Ethernet), uas txo cov cabling uas xav tau. Ntxiv mus, cov nqi ua haujlwm tuaj yeem qis dua vim tias yooj yim rau kev saib xyuas thiab kev hloov kho tshiab.
7. Ntxiv nta
Lub Koob Yees Duab CCTV Analog
Feem ntau cov koob yees duab analog muaj cov yam ntxwv tsawg dua piv rau cov koob yees duab digital. Txawm hais tias qee cov qauv muaj cov yam ntxwv xws li kev pom kev hmo ntuj lossis pan-tilt-zoom (PTZ), lawv cov peev xwm txheeb xyuas thiab kev koom ua ke feem ntau yooj yim dua.
Lub Koob Yees Duab CCTV Digital
Cov koob yees duab digital feem ntau muaj cov yam ntxwv siab heev xws li kev ntes kev txav mus los, kev paub lub ntsej muag, kev tshuaj xyuas video, thiab kev koom ua ke nrog lwm cov txheej txheem kev ruaj ntseg. Cov peev xwm no ua rau kev tswj hwm thiab kev tshuaj xyuas cov yeeb yaj kiab yooj yim dua, yog li ua rau kev soj ntsuam zoo dua.
8. Kev Ntseeg Tau thiab Kev Ua Tau Zoo
Lub Koob Yees Duab CCTV Analog
Feem ntau cov tshuab CCTV analog yeej siv tau zoo heev vim lawv siv tau yooj yim thiab siv tau ntev. Txawm hais tias cov duab zoo dua, lawv tsis tshua raug teeb meem los ntawm kev sib txuas lus lossis kev cuam tshuam ntawm cov teeb liab.
Lub Koob Yees Duab CCTV Digital
Qhov kev ntseeg tau ntawm lub koob yees duab digital tuaj yeem raug cuam tshuam los ntawm qhov zoo ntawm lub network thiab kev teeb tsa. Txawm li cas los xij, nrog lub network zoo, kev ua tau zoo thiab qhov zoo ntawm cov duab zoo dua. Ntxiv mus, kev khaws cia ntau dhau thiab kev nkag mus rau thaj chaw deb ua rau cov kab ke no yooj ywm dua thiab ua haujlwm tau zoo dua.
Xaus
Qhov kev xaiv ntawm cov koob yees duab CCTV analog thiab digital feem ntau nyob ntawm koj cov kev xav tau tshwj xeeb, nyiaj txiag, thiab kev txawj ntse muaj. Cov koob yees duab analog tej zaum yuav haum dua rau cov kev xav tau yooj yim ntawm cov peev nyiaj, thaum cov koob yees duab digital muab cov duab zoo dua, kev ywj pheej, thiab cov yam ntxwv siab dua. Ua ntej txiav txim siab zaum kawg, nws raug pom zoo kom xav txog tag nrho cov yam no thiab tej zaum sab laj nrog tus kws tshaj lij kev ruaj ntseg kom nrhiav tau lub kaw lus uas haum rau koj cov kev xav tau zoo tshaj plaws.
