Lub Koob Yees Duab Dash

Cov khoom siv siv los muab lub hauv paus kev tshawb fawb rau kev tswj hwm kev sib tsoo tsheb

Lub luag haujlwm ntawm kev nthuav qhia video thiab suab hauv lub sijhawm tiag tiag muab lub hauv paus kev tshawb fawb ntau dua rau peb txoj kev tswj hwm thiab kev teeb tsa ntawm cov xwm txheej tsheb sib tsoo, thiab lav tag nrho peb cov khoom vaj khoom tsev thiab lub neej kev nyab xeeb.

Kev Ua Haujlwm

1. Muab cov pov thawj txhim khu kev qha rau kev tshuaj xyuas thiab kev txiav txim siab ntawm kev sib tsoo tsheb.

2. Nws yooj yim rau cov tsav tsheb thiab cov neeg caij tsheb los xyuas qhov xwm txheej hauv lub tsheb.

3. Muab ib lub hauv paus rau kev daws teeb meem kev tsis sib haum xeeb ntawm cov neeg caij tsheb hauv lub tsheb, nrhiav cov khoom ploj thiab pom, tiv thaiv kev tub sab thiab tiv thaiv kev tub sab.

4. Muab kev saib xyuas ib puag ncig sab hauv thiab sab nraud lub tsheb kom muaj kev nyab xeeb rau kev tsav tsheb.

Kev ua tau zoo

Hom twglub koob yees duabpuas zoo? Kev ua tau zoo ntawm lub koob yees duab tuaj yeem kuaj xyuas los ntawm cov hauv qab no:

1. Lub 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 rau hauv cov khoom uas muaj cov duab zoo qis dua. Nws qhov zoo yog tias nws cov nqi tsim khoom thiab kev siv hluav taws xob qis dua li CCD. Qhov tsis zoo yog tias CMOS koob yees duab muaj qhov xav tau ntau dua rau cov teeb pom kev zoo; Los nrog daim npav ntes video. Muaj qhov sib txawv loj ntawm CCD thiab CMOS hauv cov nqe lus ntawm thev naus laus zis thiab kev ua tau zoo. Feem ntau hais lus, CCD zoo dua, tab sis tus nqi kuj kim dua. Nws raug pom zoo kom xaiv lub koob yees duab CCD yam tsis xav txog tus nqi.

2. Kev Pom Tseeb

Kev meej yog ib qho ntawm cov cim qhia tseem ceeb rau kev ntsuas lub koob yees duab. Feem ntau, cov khoom uas muaj kev txhais siab dua yuav muaj cov duab zoo dua. Cov khoom uas muaj kev daws teeb meem ntawm 420 kab tau dhau los ua cov khoom tseem ceeb ntawm cov koob yees duab rov qab, thiab 380 kab kuj tuaj yeem xaiv tau 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 qib chip ntawm txhua lub koob yees duab, qhov sib txawv ntawm cov khoom photosensitive, suav nrog qib ntawm cov kws kho tshuab debugging, qhov zoo thiab cov nyhuv ntawm cov khoom uas muaj tib lub chip thiab tib theem yuav txawv. Ib yam li ntawd, nws kuj nyob ntawm hom lens siv. 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 txhais siab yuav raug txo qis me ntsis.

3. Kev pom kev hmo ntuj

Qhov cuam tshuam ntawm kev pom kev hmo ntuj muaj feem cuam tshuam nrog kev txhais ntawm cov khoom. Qhov siab dua qhov txhais, qhov cuam tshuam ntawm kev pom kev hmo ntuj ntawm cov khoom yuav tsis zoo heev. Qhov no yog vim yog lub chip nws tus kheej, tab sis cov khoom zoo muaj kev ua haujlwm pom kev hmo ntuj, thiab yuav tsis pom cov khoom. Qhov cuam tshuam, txawm hais tias xim yuav phem dua, tab sis qhov meej tsis yog teeb meem. Yog tias muaj infrared pom kev hmo ntuj puv teeb lossis LED dawb puv teeb, kev pom kev hmo ntuj pom tseeb dua thaum hmo ntuj.

4. Tsis muaj dej nkag

Cov khoom siv yees duab thim rov qab yeej tsis muaj dej nkag

Hauv kev xaus lus: thaum xaiv lub koob yees duab thim rov qab, xav txog cov yam saum toj no, qhov tseem ceeb tshaj plaws yog pom thiab piv qhov cuam tshuam tiag tiag ntawm daim duab.

5. Lub koob yees duab tshwj xeeb ntawm lub tsheb

Muaj ntau lub tsheb twb tau tsim cov koob yees duab tshwj xeeb uas siv tau nrog ntau dua 500 tus qauv. Thaum xaiv, koj yuav tsum xub xaiv lub koob yees duab uas siv rau koj tus qauv, yog tias tsis yog, ces xaiv lub koob yees duab uas siv rau kev rov qab dav dav.

6. Lub koob yees duab thoob ntiaj teb.

Cov koob yees duab dav dav suav nrog 18.5mm perforated koob yees duab, me me npauj npaim sab nraud koob yees duab, daim ntawv tso cai phaj koob yees duab, 28mm perforated koob yees duab, tsheb npav koob yees duab thiab lwm yam koob yees duab sab nraud, thiab lwm yam, xws li LED hmo ntuj pom xim koob yees duab sab nraud rau lub tsheb navigator.

Lub lens

Lub lens ntawm lublub koob yees duabyog lub hauv paus tseem ceeb, thiab plaub qhov tseem ceeb yog raws li nram no:

Qhov ntev ntawm qhov muag

Qhov loj ntawm qhov ntev focal txiav txim siab qhov loj ntawm qhov pom. Tus nqi ntawm qhov ntev focal yog me me, qhov pom loj, thiab qhov pom ntau yam kuj loj, tab sis cov khoom nyob deb tsis meej; tus nqi ntawm qhov ntev focal yog loj, qhov pom me me, thiab qhov pom ntau yam me me. Tsuav yog xaiv qhov ntev focal kom raug, txawm tias cov khoom nyob deb kuj pom tau meej. Vim tias qhov ntev focal thiab qhov pom sib haum, qhov ntev focal txhais tau tias qhov pom ntau yam, yog li thaum xaiv qhov ntev focal ntawm lub lens, yuav tsum xav txog seb qhov pom tseem ceeb lossis qhov pom ntau yam 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 qhov ntev focal me me.

Qhov coefficient ntawm qhov qhib

Ntawd yog, qhov luminous flux, sawv cev los ntawm F, yog ntsuas los ntawm qhov sib piv ntawm qhov ntev f ntawm lub lens rau qhov qhib meej D. Txhua lub lens yog cim nrog qhov siab tshaj plaws F tus nqi, piv txwv li, 6mm / F1.4 sawv cev rau qhov qhib siab tshaj plaws ntawm 4.29 hli. Lub luminous flux yog inversely proportional rau lub square ntawm tus nqi F, qhov me dua tus nqi F, qhov loj dua lub luminous flux. Cov nqi txheem ntawm cov 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 kev raug ntawm tus nqi txheem dhau los yog raws nraim 2 ntawm qhov kev raug sib raug rau tus nqi txheem tom kawg. zaus. Uas yog hais tias, qhov pom tseeb 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, tus nqi dhau los yog Lub cim hauv paus ntawm tus nqi tom kawg yog 2 zaug, yog li qhov me dua qhov ntsuas qhov aperture yog, qhov loj dua qhov aperture yog, thiab qhov kaj ntawm qhov chaw ntawm lub hom phiaj duab kuj loj dua. Tsis tas li ntawd, qhov aperture ntawm lub lens yog muab faib ua phau ntawv (MANUAL IRIS) thiab qhov aperture tsis siv neeg (AUTO IRIS). Siv nrog lub koob yees duab, qhov aperture phau ntawv yog qhov tsim nyog rau cov sijhawm uas qhov kaj tsis hloov pauv ntau. Nws lub teeb nkag tau kho los ntawm lub nplhaib aperture ntawm lub lens, thiab nws tuaj yeem kho tau ib zaug kom txog thaum nws tsim nyog. Lub lens auto-iris yuav kho tau raws li lub teeb hloov pauv, thiab siv rau sab nraum zoov, nkag thiab lwm lub sijhawm uas lub teeb hloov pauv ntau thiab ntau zaus.

Lub lens auto-iris

Muaj ob hom iav iris tsis siv neeg: ib qho hu ua video (VIDEO) tsav hom, thiab lub lens nws tus kheej muaj lub voj voog amplifier los hloov cov video amplitude teeb liab los ntawm lub koob yees duab mus rau hauv kev tswj hwm ntawm lub cev muaj zog iris. Lwm hom hu ua direct current (DC) tsav hom, uas siv DC voltage ntawm lub koob yees duab los tswj qhov aperture ncaj qha. Cov iav no tsuas muaj lub cev muaj zog galvanometer aperture thiab xav tau lub voj voog amplifier hauv lub taub hau lub koob yees duab. Rau txhua hom iav aperture tsis siv neeg, feem ntau muaj ob lub pob qhov hloov kho tau, ib qho yog ALC kev hloov kho (kev hloov kho lub teeb), muaj ob txoj kev xaiv rau qhov siab tshaj plaws thiab qhov nruab nrab metering raws li lub hom phiaj teeb pom kev zoo, thiab cov ntaub ntawv nruab nrab metering feem ntau siv; Qhov thib ob yog LEVEL kev hloov kho (kev rhiab heev), uas tuaj yeem ua rau cov duab tso zis ci dua lossis tsaus dua.

Lub lens zoom

Cov tsom iav zoom muaj ob hom: tes (MANUAL ZOOM LENS) thiab fais fab (AUTO ZOOM LENS). Feem ntau, cov tsom iav zoom tes siv rau hauv kev tshawb fawb thiab tsis yog siv rau hauv cov tshuab kaw-circuit. Thaum saib xyuas ib qho chaw loj, lub koob yees duab feem ntau siv nrog lub tsom iav motorized thiab lub pan/tilt. Qhov zoo ntawm lub tsom iav motorized yog tias nws muaj qhov zoom loj. Nws tsis tsuas yog pom ntau yam xwm txheej xwb, tab sis kuj tsom mus rau qee yam meej. Tsis tas li ntawd, lub gimbal tuaj yeem tig mus rau saum thiab nqis, sab laug thiab sab xis, thiab qhov pom dav heev. Cov tsom iav motorized muaj ntau qhov loj xws li 6x, 10x, 15x, thiab 20x. Yog tias koj paub qhov ntev focal, koj tuaj yeem txiav txim siab qhov ntau thiab tsawg ntawm qhov ntev focal ntawm lub lens. Piv txwv li, lub tsom iav motorized 6x nrog qhov ntev focal ntawm 8.5mm, nws qhov zoom tuaj yeem hloov kho tau tas li ntawm 8.5 txog 51mm, thiab nws qhov pom yog 31.3 txog 5.5 degrees. Qhov hluav taws xob tswj 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 lub maub los, qhov ntev ntawm lub cable kis yuav tsum tau xav txog tag nrho. Yog tias qhov deb dhau lawm, qhov hluav taws xob poob los ntawm kab yuav ua rau lub lens tsis tuaj yeem tswj tau. Nws yog qhov tsim nyog los nce qhov hluav taws xob tswj hwm lossis hloov lub video matrix host kom koom tes nrog lub decoder tswj.

Ntxiv rau plaub yam khoom saum toj no, tau kawg muaj lwm cov ntsiab lus me me, tab sis kev paub txog plaub qhov ntsuas no tuaj yeem teeb tsa thiab siv lub lens kom raug.

Txoj cai ua haujlwm

Lub hwj chim ntawm lub koob yees duab txuas nrog lub teeb nraub qaum. Thaum lub iav rov qab koom nrog, lub koob yees duab raug siv hluav taws xob sib dhos thiab nkag mus rau hauv lub xeev ua haujlwm, thiab cov ntaub ntawv video sau tau xa mus rau lub wireless receiver uas tso rau ntawm pem hauv ntej ntawm lub tsheb los ntawm lub wireless transmitter. Lub receiver xa cov ntaub ntawv video los ntawm AV. IN interface raug xa mus rau GPS navigator, yog li thaum lub receiver tau txais lub teeb liab, tsis hais hom kev ua haujlwm interface twg GPS navigator nyob hauv, nws yuav muab qhov tseem ceeb rau LCD screen rau cov duab rov qab video.

Qhov sib txawv ntawm lub koob yees duab tsheb thiab lub tsheb saib xyuas thiab lub tsheb DVD navigator thaum siv lub GPS navigator portable yog tias thaum siv lub tsheb saib xyuas, lub tsheb saib xyuas tsis tas yuav tsum qhib, tsuav yog lub tsheb saib xyuas nyob rau hauv lub iav rov qab, nws yuav cia li tso saib lub tsheb lub koob yees duab duab; thiab lub tsheb DVD navigation feem ntau, lub tsheb lub koob yees duab duab tuaj yeem tso tawm tsuas yog thaum lub cuab yeej qhib; thaum siv lub tsheb GPS navigator portable, lub tsheb lub koob yees duab duab tuaj yeem tso tawm tsuas yog thaum lub navigator qhib.

Cov kev cai rau kev teeb tsa

Niaj hnub no, nrog rau kev txhim kho sai ntawm cov khoom siv hluav taws xob hauv tsheb thiab cov thev naus laus zis kev ruaj ntseg, cov koob yees duab hauv tsheb tau dhau los ua cov khoom siv tseem ceeb rau kev nyab xeeb tsheb.

Tom ntej no, cia peb qhia txog cov txuj ci kev teeb tsa thiab kev daws teeb meem ntawm cov khoom tsheb.

1. Qhov kub ua haujlwm ntawm lub koob yees duab hauv khw yog nruab nrab ntawm 0-50 degrees. Qhov laj thawj yog tias nws nyob hauv lub tsheb, thiab qhov kub xav tau siab dua li cov neeg saib xyuas ib txwm muaj. Sab laug thiab sab xis tseem ceeb ntawm lub koob yees duab hauv tsheb yog los saib xyuas qhov xwm txheej ua haujlwm ntawm tus tsav tsheb thiab tus neeg pabcuam dav hlau. , thiab kev saib xyuas lub sijhawm tam sim ntawd, muab pov thawj zoo rau kev sib tsoo tsheb, thiab ua lub luag haujlwm ntawm lub thawv dub ntawm lub tsheb.

2. Cov koob yees duab hauv khw feem ntau muaj ob hom khoom siv khaws cia, lub hard disk hauv computer thiab daim npav SD. Daim npav SD muaj qhov tsis kam poob siab zoo, tab sis qhov chaw khaws cia tsuas yog li 8 teev xwb, thiab tus nqi txij nkawm siab. Lub hard disk ib txwm tuaj yeem tuav 300g, tuaj yeem kaw tau ib hlis.

3. Qhov tseeb, ntxiv rau qhov kev saib xyuas, lub koob yees duab hauv tsheb kuj muaj kev ua si multimedia, qhov ceev ntawm lub tsheb, tus lej phaj tsheb, qhov ceev overlay, cov ntaub ntawv tsav tsheb overlay thiab gps / gprs thiab wireless kis tau tus mob.

4. Vim yog qhov tshwj xeeb ntawm nws txoj kev teeb tsa, lub koob yees duab hauv tsheb muaj qee qhov yuav tsum tau ua thaum teeb tsa. Nws yuav tsum me me thiab sib dua thaum teeb tsa. Nws tsis tuaj yeem cuam tshuam rau tus neeg caij tsheb ib puag ncig thiab yuav tsum tau kho kom yooj yim, uas yuav cuam tshuam rau qhov kev saib xyuas. Nws muaj qhov tiv taus 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 pom zoo kom koj siv lub dome me thiab lub koob yees duab conch nrog lub teeb infrared ua ke.

5. Vim tias kev lag luam lub koob yees duab tsheb nyuam qhuav pib, cov neeg siv khoom tsis muaj qhov xav tau siab rau cov xim no thaum xub thawj, thiab tus nqi ntawm cov xim kuj kim heev, tab sis nrog kev txhim kho thev naus laus zis, cov koob yees duab xim yuav dhau los ua ntau dua thiab ntau dua.

6. Tus nqi teeb tsa ntawm lub tsheb npav feem ntau suav nrog cov khoom hauv qab no: tus nqi tswj hwm, tus nqi lub koob yees duab, hard disk, xaim, tus nqi teeb tsa, tus nqi ntawm cov khoom siv tswj hwm sib txawv, tus nqi ntawm cov koob yees duab sib txawv kuj txawv, thiab tus nqi tswj hwm nws tus kheej sib txawv hauv kev ua lag luam Nws yog qhov loj heev.

Lub Vev Xaib: www.hampotech.com

E-mail: fairy@hampotech.com