Cov cuab yeej siv los muab cov hauv paus kev tshawb fawb rau kev sib tsoo tsheb
Kev ua haujlwm ntawm kev nthuav tawm cov vis dis aus thiab suab hauv lub sijhawm tiag tiag muab lub hauv paus kev tshawb fawb ntau dua rau peb kev tuav thiab kev teeb tsa ntawm kev sib tsoo tsheb, thiab lav tag nrho peb cov khoom thiab kev nyab xeeb ntawm lub neej.
Muaj nuj nqi
1. Muab cov ntaub ntawv pov thawj txhim khu kev qha rau kev tshuaj xyuas thiab kev txiav txim ntawm kev sib tsoo tsheb.
2. Nws yog qhov yooj yim rau cov neeg tsav tsheb thiab cov neeg caij tsheb los xyuas qhov xwm txheej hauv lub tsheb.
3. Muab lub hauv paus rau kev sib tham nrog cov neeg caij tsheb tsis sib haum xeeb hauv lub tsheb, nrhiav kev ploj thiab pom, tiv thaiv tub sab nyiag thiab teeb meem tiv thaiv tub sab.
4. Muab kev saib xyuas ntawm ib puag ncig sab hauv thiab sab nraud lub tsheb kom muaj kev ruaj ntseg lav rau kev tsav tsheb.
Kev ua tau zoo
Yam twgdash campuas zoo? Kev ua tau zoo ntawm lub koob yees duab tuaj yeem kuaj xyuas los ntawm cov hauv qab no:
1. Sensor
CCD thiab CMOS sensors yog ib feem tseem ceeb ntawm lub koob yees duab rov qab, uas tuaj yeem muab faib ua CCD thiab CMOS raws li cov khoom sib txawv. CMOS feem ntau yog siv hauv cov khoom lag luam nrog cov duab zoo. Nws qhov zoo dua yog tias nws cov nqi tsim khoom thiab kev siv hluav taws xob qis dua li ntawm CCD. Qhov tsis zoo yog tias CMOS koob yees duab muaj cov kev xav tau siab dua rau cov teeb pom kev zoo; Los nrog daim npav video. Muaj qhov sib txawv loj ntawm CCD thiab CMOS hais txog kev siv tshuab thiab kev ua haujlwm. Feem ntau hais lus, CCD zoo dua, tab sis tus nqi kuj tseem kim dua. Nws raug nquahu kom xaiv lub koob yees duab CCD yam tsis xav txog tus nqi.
2. Qhov tseeb
Clarity yog ib qho tseem ceeb ntsuas ntsuas lub koob yees duab. Feem ntau hais lus, cov khoom uas muaj cov ntsiab lus siab dua yuav muaj cov duab zoo dua. Cov khoom lag luam nrog kev daws teeb meem ntawm 420 kab tau dhau los ua cov khoom lag luam tseem ceeb ntawm cov koob yees duab rov qab, thiab 380 kab kuj tuaj yeem xaiv yog tias qhov kev hloov kho zoo. Muaj cov chips zoo dua nrog 480 kab, 600 kab, 700 kab, thiab lwm yam. Tab sis nyob ntawm cov qib nti ntawm txhua lub koob yees duab, qhov sib txawv ntawm cov ntsiab lus photosensitive, nrog rau qib ntawm kev debugging technicians, qhov zoo thiab cov nyhuv ntawm cov khoom nrog tib nti thiab tib theem yuav txawv. Ib yam li ntawd, nws kuj nyob ntawm seb hom lens siv li cas. Lub lens ua los ntawm cov ntaub ntawv zoo yuav muaj cov duab zoo dua. Ntawm qhov tsis sib xws, qhov pom kev hmo ntuj ntawm cov khoom lag luam siab yuav raug txo qis me ntsis.
3. Hmo pom kev
Qhov pom kev hmo ntuj muaj feem cuam tshuam nrog lub ntsiab lus ntawm cov khoom. Qhov siab dua qhov txhais, qhov pom kev hmo ntuj ntawm cov khoom yuav tsis zoo heev. Qhov no yog vim lub nti nws tus kheej, tab sis cov khoom lag luam zoo muaj qhov ua haujlwm tsis pom kev hmo ntuj, thiab yuav tsis pom cov khoom. Cov nyhuv, txawm tias cov xim yuav phem dua, tab sis qhov tseeb tsis yog qhov teeb meem. Yog hais tias muaj infrared hmo ntuj pom kev puv lub teeb los yog LED dawb lub teeb puv lub teeb, hmo ntuj pom kev pom meej dua thaum hmo ntuj
4. Waterproof
Cov khoom siv lub koob yees duab rov qab yog cov dej tsis zoo
Los xaus: thaum xaiv lub koob yees duab thim rov qab, xav txog qhov saum toj no, qhov tseem ceeb tshaj plaws yog pom thiab sib piv cov txiaj ntsig tiag tiag ntawm daim duab.
5. Tshwj xeeb tsheb rov qab lub koob yees duab
Ntau lub tsheb twb tau tsim tshwj xeeb lub hom phiaj rov qab lub koob yees duab uas tuaj yeem siv nrog ntau dua 500 qauv. Thaum xaiv, koj yuav tsum xub xaiv lub koob yees duab rov qab rau koj tus qauv, yog tias tsis yog, ces xaiv lub hom phiaj rov qab lub koob yees duab.
6. Universal koob yees duab.
Cov koob yees duab dav dav suav nrog 18.5mm perforated koob yees duab, lub koob yees duab me npauj npaim sab nraud, daim ntawv tso cai phaj lub koob yees duab, 28mm perforated koob yees duab, lub koob yees duab tsheb npav thiab lwm lub koob yees duab sab nraud, thiab lwm yam, xws li LED hmo ntuj pom kev xim sab nraud lub koob yees duab rau lub tsheb navigator
Lens
Lens ntawm lubdash camyog lub hauv paus tseem ceeb, thiab plaub qhov tseem ceeb yog raws li hauv qab no:
Focal ntev
Qhov loj ntawm qhov focal ntev txiav txim siab qhov loj ntawm qhov kev pom. Tus nqi ntawm qhov focal ntev yog me me, qhov kev pom yog loj, thiab qhov kev pom zoo kuj loj, tab sis cov khoom ntawm qhov deb tsis meej meej; tus nqi ntawm qhov focal ntev yog qhov loj, qhov chaw saib yog me me, thiab qhov kev soj ntsuam ntau yog me me. Ntev npaum li qhov focal ntev raug xaiv kom raug, txawm tias cov khoom nyob deb tuaj yeem pom meej. Txij li thaum lub focal ntev thiab lub teb ntawm saib yog nyob rau hauv ib-rau-ib tsab xov xwm, ib tug tej yam focal ntev txhais tau hais tias ib tug tej thaj chaw ntawm kev pom, yog li thaum xaiv lub focal ntev ntawm lub lens, nws yuav tsum tau tag nrho txiav txim siab seb qhov kev soj ntsuam cov ntsiab lus tseem ceeb. los yog qhov kev soj ntsuam loj yog qhov tseem ceeb. Yog tias koj xav pom cov ntsiab lus, xaiv lub lens ntev; Yog tias koj xav pom qhov xwm txheej loj ntawm qhov ze, xaiv lub lens dav nrog lub focal ntev me me.
Aperture coefficient
Ntawd yog, lub luminous flux, sawv cev los ntawm F, yog ntsuas los ntawm qhov sib piv ntawm qhov focal ntev f ntawm lub lens mus rau qhov tseeb aperture D. Txhua lub lens yog cim nrog qhov siab tshaj plaws F tus nqi, piv txwv li, 6mm / F1.4 sawv cev rau a Qhov siab tshaj plaws aperture ntawm 4.29 mm. Lub luminous flux yog inversely proportional rau lub square ntawm tus nqi F, qhov me F tus nqi, qhov ntau dua lub luminous flux. Tus qauv qhov tseem ceeb ntawm lub aperture index series ntawm lub lens yog 1.4, 2, 2.8, 4, 5.6, 8, 11, 16, 22, thiab lwm yam. Txoj cai yog tias qhov raug ntawm tus qauv dhau los tus nqi yog raws nraim 2 ntawm qhov raug cuam tshuam. mus rau tus nqi qauv tom kawg. sij hawm. Qhov ntawd yog hais tias, qhov tseeb aperture ntawm lub lens yog 1/1.4, 1/2, 1/2.8, 1/4, 1/5.6, 1/8, 1/11, 1/16, 1/22, yav dhau los tus nqi yog lub hauv paus kos npe ntawm tus nqi tom kawg yog 2 lub sij hawm, yog li qhov me dua qhov aperture Performance index yog, qhov loj dua qhov aperture yog, thiab qhov illuminance ntawm lub imaging phiaj saum npoo kuj loj dua. Tsis tas li ntawd, lub aperture ntawm lub lens muab faib ua phau ntawv (MANUAL IRIS) thiab tsis siv neeg aperture (AUTO IRIS). Siv nrog lub koob yees duab, phau ntawv aperture yog tsim rau lub sijhawm uas qhov ci tsis hloov ntau. Nws lub teeb pom kev yog hloov kho los ntawm lub nplhaib aperture ntawm lub lens, thiab nws tuaj yeem hloov kho ib zaug kom txog thaum nws tsim nyog. Lub lens auto-iris yuav hloov kho raws li lub teeb hloov, thiab siv rau sab nraum zoov, nkag thiab lwm lub sijhawm uas lub teeb hloov pauv ntau thiab nquag.
Nws pib iris lens
Muaj ob hom tsis siv neeg iris lo ntsiab muag: ib qho yog hu ua yees duab (VIDEO) tsav hom, thiab lub lens nws tus kheej muaj lub amplifier circuit los hloov cov video amplitude teeb liab los ntawm lub koob yees duab mus rau hauv kev tswj ntawm iris motor. Lwm hom yog hu ua direct tam sim no (DC) tsav hom, uas siv ib tug DC voltage ntawm lub koob yees duab kom ncaj qha tswj lub aperture. Cov lo ntsiab muag no tsuas muaj lub galvanometer aperture lub cev muaj zog thiab yuav tsum muaj lub suab nrov hauv lub koob yees duab lub taub hau. Rau txhua yam ntawm qhov tsis siv neeg aperture lo ntsiab muag, feem ntau muaj ob lub qhov rooj kho tau, ib qho yog ALC hloov kho (lub teeb metering hloov), muaj ob txoj kev xaiv rau kev ntsuas siab thiab qhov nruab nrab ntsuas raws li lub hom phiaj teeb pom kev zoo, thiab cov ntaub ntawv ntsuas qhov nruab nrab feem ntau yog siv. ; Lwm qhov yog LEVEL hloov kho (rhiab heev), uas tuaj yeem ua rau cov duab tso zis ntau dua lossis tsaus dua.
Zoom lens
Zoom lo ntsiab muag tau muab faib ua phau ntawv (MANUAL ZOOM LENS) thiab hluav taws xob (AUTO ZOOM LENS). Phau ntawv zoom lo ntsiab muag feem ntau yog siv nyob rau hauv kev tshawb fawb tej yaam num thiab tsis nyob rau hauv kaw-circuit surveillance systems. Thaum saib xyuas qhov xwm txheej loj, lub koob yees duab feem ntau yog siv nrog lub lens motorized thiab lub lauj kaub / qaij. Qhov zoo ntawm lub lens motorized yog tias nws muaj qhov loj zoom ntau yam. Nws tuaj yeem tsis tsuas pom ntau qhov xwm txheej, tab sis kuj tsom mus rau ib qho kev nthuav dav. Tsis tas li ntawd, lub gimbal tuaj yeem tig nce thiab nqis, sab laug thiab sab xis, thiab saib ntau yam loj heev. Motorized lo ntsiab muag muaj ntau qhov kev nthuav dav xws li 6x, 10x, 15x, thiab 20x. Yog tias koj paub qhov siv focal ntev, koj tuaj yeem txiav txim siab qhov sib txawv ntawm qhov focal ntev ntawm lub lens. Piv txwv li, 6x motorized lens nrog lub hauv paus focal ntev ntawm 8.5mm, nws qhov zoom ntau yog hloov kho tsis tu ncua los ntawm 8.5 txog 51mm, thiab nws qhov kev pom yog 31.3 txog 5.5 degrees. Kev tswj hluav taws xob ntawm lub lens motorized feem ntau yog DC 8V ~ 16V, thiab qhov siab tshaj plaws tam sim no yog 30mA. Yog li ntawd, thaum xaiv ib tug maub los, qhov ntev ntawm lub kis tau tus mob cable yuav tsum tau tag nrho xav txog. Yog tias qhov kev ncua deb dhau lawm, qhov hluav taws xob poob los ntawm txoj kab yuav ua rau lub lens tsis tuaj yeem tswj tau. Nws yog ib qho tsim nyog yuav tsum tau nce qhov kev tswj hwm qhov hluav taws xob lossis hloov cov video matrix host los koom tes nrog kev tswj hwm tus txiav txim.
Ntxiv rau plaub yam saum toj no, tau kawg muaj lwm cov ntsiab lus me me, tab sis kev paub txog plaub qhov kev ntsuas qhov ntsuas no tuaj yeem tsim kho thiab siv lub lens kom zoo.
Txoj cai ua haujlwm
Lub hwj huam mov ntawm lub koob yees duab txuas nrog lub teeb rov qab. Thaum lub iav rov qab ua haujlwm, lub koob yees duab tau siv synchronously thiab nkag mus rau hauv lub xeev ua haujlwm, thiab cov ntaub ntawv khaws tseg video raug xa mus rau lub wireless receiver tso rau pem hauv ntej ntawm lub tsheb los ntawm lub wireless transmitter. Lub receiver xa cov ntaub ntawv video los ntawm AV Lub IN interface yog xa mus rau GPS navigator, yog li ntawd thaum tus txais tau txais lub teeb liab, txawm li cas los xij ntawm kev ua haujlwm interface lub GPS navigator nyob rau hauv, nws yuav muab qhov tseem ceeb rau lub vijtsam LCD rau. cov duab reversing video.
Qhov sib txawv ntawm lub koob yees duab lub tsheb thiab lub tsheb saib thiab lub tsheb DVD navigator thaum siv lub portable GPS navigator yog tias thaum siv lub tsheb saib, lub tsheb saib tsis tas yuav tsum tau qhib, tsuav yog lub tsheb saib lub iav rov qab. , nws yuav cia li tso saib lub tsheb lub koob yees duab duab; thiab lub tsheb DVD navigation yog Feem ntau, lub tsheb lub koob yees duab duab tuaj yeem tso tawm tsuas yog thaum lub cuab yeej qhib; thaum siv lub portable GPS navigator, lub tsheb lub koob yees duab duab tuaj yeem tso tawm tsuas yog thaum lub navigator qhib
Cov kev xav tau ntawm installation
Niaj hnub no, nrog rau kev loj hlob sai ntawm automotive electronics thiab kev ruaj ntseg technologies, on-board koob yees duab tau dhau los ua indispensable hardware rau kev nyab xeeb tsheb.
Tom ntej no, cia peb qhia txog kev txhim kho kev txawj ntse thiab kev daws teeb meem ntawm cov khoom siv tsheb.
1. Kev ua haujlwm kub ntawm lub koob yees duab on-board ntawm kev ua lag luam yog nyob nruab nrab ntawm 0-50 degrees. Yog vim li cas yog nws nyob rau hauv lub tsheb, thiab qhov kub thiab txias yuav tsum siab tshaj li cov neeg saib xyuas zoo tib yam. Lub ntsiab sab laug thiab sab xis ntawm lub koob yees duab on-board yog saib xyuas cov xwm txheej ua haujlwm ntawm tus tsav tsheb thiab tus neeg saib xyuas dav hlau. , thiab kev saib xyuas lub sijhawm tam sim ntawd, muab pov thawj zoo rau kev sib tsoo tsheb, thiab ua si lub luag haujlwm ntawm lub thawv dub ntawm lub tsheb.
2. Lub koob yees duab ntawm kev ua lag luam feem ntau muaj ob hom kev cia khoom, zoo tib yam computer hard disk thiab sd card. Daim npav sd yog tus cwj pwm los ntawm kev poob siab zoo, tab sis qhov chaw cia tsuas yog li 8 teev, thiab tus nqi saib xyuas yog siab. Lub hard disk zoo tib yam tuaj yeem txhawb nqa 300g, tuaj yeem sau rau ib hlis.
3. Qhov tseeb, ntxiv rau kev saib xyuas kev ua haujlwm, lub koob yees duab hauv lub tsheb kuj tseem muaj kev ua yeeb yaj kiab multimedia, tsheb ceev, daim ntawv tsav tsheb, daim ntawv tsav tsheb, kev ceev overlay, cov ntaub ntawv tsav tsheb overlay thiab gps / gprs thiab wireless kis tau tus mob.
4. Vim qhov tshwj xeeb ntawm nws cov installation, lub koob yees duab tsheb muaj qee yam yuav tsum tau ua thaum txhim kho nws. Nws yuav tsum muaj qhov me me thiab lub teeb hauv kev teeb tsa. Nws tsis tuaj yeem cuam tshuam rau cov neeg caij tsheb ib puag ncig thiab yuav tsum tau kho kom yooj yim, uas yuav cuam tshuam rau kev saib xyuas. Nws muaj kev poob siab me ntsis. Qhov tseem ceeb tshaj plaws yog kom muaj lub teeb infrared, uas yooj yim rau kev saib xyuas thaum lub teeb tsis zoo. Nws raug nquahu kom koj siv lub dome me me thiab lub koob yees duab conch nrog lub teeb infrared built-in.
5. Vim tias kev lag luam tsheb lub koob yees duab nyuam qhuav pib, cov neeg siv khoom tsis muaj qhov xav tau siab rau cov xim no thaum xub thawj, thiab cov nqi ntawm cov xim kuj tseem kim, tab sis nrog kev txhim kho ntawm cov cuab yeej technology, cov koob yees duab xim yuav dhau los ua ntau thiab ntau dua.
6. Tus nqi ntawm lub tsheb npav feem ntau suav nrog cov khoom hauv qab no: tus nqi them lub koob yees duab, hard disk, xaim, nqi installation, tus nqi ntawm cov khoom siv sib txawv yog txawv, tus nqi ntawm cov koob yees duab sib txawv kuj txawv, thiab tus tswv tsev nqi nws tus kheej txawv nyob rau hauv kev ua lag luam Nws yog tus loj.
Lub Vev Xaib: www.hampotech.com
E-mail: fairy@hampotech.com
Post lub sij hawm: Mar-14-2023