Dash Cam

Zida zomwe zimagwiritsidwa ntchito popereka maziko asayansi pakuwongolera ngozi zapamsewu

Ntchito yowonetsera mavidiyo ndi mawu mu nthawi yeniyeni imapereka maziko asayansi okhudza momwe tingagwiritsire ntchito ngozi zapamsewu, ndikutsimikizira chitetezo chathu cha katundu ndi moyo.

Ntchito

1. Perekani umboni wodalirika wowunika ndi kuweruza ngozi zapamsewu.

2. Ndikosavuta kuti madalaivala ndi okwera awone momwe zinthu zilili mgalimoto.

3. Perekani chifukwa chothana ndi mikangano ya okwera m'galimoto, kupeza zotayika ndi zopezeka, zotsutsana ndi kuba ndi zotsutsana ndi kuba.

4. Perekani kuyang'anira chilengedwe mkati ndi kunja kwa galimoto kuti mupereke chitsimikizo cha chitetezo cha kuyendetsa galimoto.

Kachitidwe

Ndi mtundu wanjidash camndi zabwino?Kagwiridwe ka kamera kakhoza kuwunikiridwa kuchokera kuzinthu izi:

1. Sensor

Masensa a CCD ndi CMOS ndi gawo lofunikira la kamera yobwerera, yomwe imatha kugawidwa mu CCD ndi CMOS malinga ndi magawo osiyanasiyana.CMOS imagwiritsidwa ntchito kwambiri pazinthu zomwe zili ndi zithunzi zochepa.Ubwino wake ndikuti mtengo wake wopanga komanso kugwiritsa ntchito mphamvu ndizotsika kuposa za CCD.Choyipa ndichakuti makamera a CMOS ali ndi zofunikira zapamwamba pazowunikira;Imabwera ndi khadi yojambulira makanema.Pali kusiyana kwakukulu pakati pa CCD ndi CMOS pankhani yaukadaulo ndi magwiridwe antchito.Nthawi zambiri, CCD ndi yabwinoko, koma mtengo wake ndi wokwera mtengo.Ndibwino kusankha kamera ya CCD popanda kuganizira mtengo wake.

2. Kumveka bwino

Kumveka bwino ndi chimodzi mwa zizindikiro zofunika kuyeza kamera.Nthawi zambiri, zinthu zomwe zili ndi tanthauzo lapamwamba zimakhala ndi mawonekedwe abwinoko.Zogulitsa zomwe zili ndi mizere ya 420 zakhala zopangira makamera obwerera kumbuyo, ndipo mizere ya 380 imathanso kusankhidwa ngati kusintha kuli bwino.Pali tchipisi bwino ndi mizere 480, mizere 600, mizere 700, etc. Koma malinga Chip mlingo wa aliyense kamera, kusiyana photosensitive zinthu, kuphatikizapo mlingo wa debugging amisiri, khalidwe ndi zotsatira za mankhwala ndi Chip chomwecho ndi mlingo womwewo ukhoza kusiyana.Momwemonso, zimatengeranso mtundu wa mandala omwe amagwiritsidwa ntchito.Magalasi opangidwa ndi zida zabwino adzakhala ndi chithunzi chabwino kwambiri chowonetsera.M'malo mwake, masomphenya ausiku zotsatira za mankhwala apamwamba adzachepetsedwa pang'ono.

3. Masomphenya a usiku

Zotsatira za masomphenya a usiku zimagwirizana ndi tanthauzo la mankhwala.Kutanthauzira kwapamwamba, masomphenya a usiku zotsatira za mankhwala sizidzakhala zabwino kwambiri.Izi ndichifukwa cha chip palokha, koma zinthu zabwino kwambiri zimakhala ndi masomphenya ausiku, ndipo sizingafanane ndi zinthu.Zotsatira zake, ngakhale mtunduwo udzakhala woipitsitsa, koma kumveka bwino si vuto.Ngati pali masomphenya ausiku a infrared amadzaza kuwala kapena kuwala koyera kwa LED, masomphenya ausiku amawonekera bwino usiku.

4. Osalowa madzi

Makamera obwerera kumbuyo amakhala opanda madzi

Kufotokozera mwachidule: posankha kamera yobwerera kumbuyo, ganizirani zomwe zili pamwambazi, chofunika kwambiri ndikuwona ndi kuyerekezera zotsatira zenizeni za chithunzicho.

5. Kamera yapadera yosinthira galimoto

Magalimoto ambiri apanga kale makamera am'mbuyo omwe amatha kugwiritsidwa ntchito ndi mitundu yopitilira 500.Posankha, choyamba muyenera kusankha kamera yobwerera kumbuyo yoperekedwa ku mtundu wanu, ngati sichoncho, kenako sankhani kamera yobwerera kumbuyo.

6. Kamera ya Universal.

Makamera opangira zinthu zambiri amaphatikiza makamera okhala ndi 18.5mm, makamera ang'onoang'ono agulugufe ang'onoang'ono, makamera amtundu wa layisensi, makamera okhala ndi 28mm, makamera amabasi ndi makamera ena akunja, ndi zina zotere, monga kamera yakunja yowonera usiku ya LED yoyendetsa galimoto.

Lens

Lens yadash camndiye chigawo chachikulu, ndipo magawo anayi ofunika ndi awa:

Kutalika kwapakati

Kukula kwa utali wokhazikika kumatsimikizira kukula kwa gawo lowonera.Phindu la kutalika kwapakati ndi laling'ono, malo owonera ndi aakulu, ndipo mawonekedwe omwe amawonedwa ndi aakulu, koma zinthu zomwe zili patali sizimasiyanitsidwa bwino;mtengo wautali wokhazikika ndi waukulu, gawo lowonera ndi laling'ono, ndipo mawonekedwe ake ndi ochepa.Malingana ngati kutalika kwapakati kumasankhidwa bwino, ngakhale zinthu zomwe zili kutali zimatha kuwonedwa bwino.Popeza kutalika kwapakati ndi gawo la mawonedwe ali pamakalata amodzi ndi amodzi, kutalika kwinakwake kumatanthawuza gawo linalake la mawonedwe, kotero posankha kutalika kwa lens, ziyenera kuganiziridwa bwino ngati zowonera ndizofunika. kapena kuwunika kwakukulu ndikofunikira.Ngati mukufuna kuwona zambiri, sankhani mandala atali;ngati mukufuna kuwona chochitika chachikulu pafupi, sankhani mandala atali-mbali okhala ndi utali wolunjika pang'ono.

Aperture coefficient

Ndiko kuti, kuwala kowala, komwe kumayimiridwa ndi F, kumayesedwa ndi chiŵerengero cha kutalika kwa f kwa lens mpaka kumalo omveka bwino D. Lens iliyonse imakhala ndi chiwerengero cha F, mwachitsanzo, 6mm / F1.4 imayimira pobowo pazipita 4.29 mm.Kuwala kowala kumayenderana mosiyana ndi masikweya a mtengo wa F, kucheperako kwa mtengo wa F, kumapangitsa kuwala kowala.Miyezo yamtundu wa kabowo pa mandala ndi 1.4, 2, 2.8, 4, 5.6, 8, 11, 16, 22, ndi zina zotero. ku mtengo wotsiriza.nthawi.Izi zikutanthauza kuti, kutsegula bwino kwa lens ndi 1/1.4, 1/2, 1/2.8, 1/4, 1/5.6, 1/8, 1/11, 1/16, 1/22, yapitayi. mtengo ndi Chizindikiro cha mtengo womaliza ndi nthawi 2, kotero cholozera chaching'ono chimakhala, kabowo kamakhala kokulirapo, ndipo kuwunikira komwe kumayang'ana pazithunzi kumakhalanso kokulirapo.Kuphatikiza apo, kutsegula kwa lens kumagawidwa kukhala buku (MANUAL IRIS) ndi kutsegula kwadzidzidzi (AUTO IRIS).Pogwiritsidwa ntchito ndi kamera, kabowo kamanja kamakhala koyenera nthawi zina pomwe kuwala sikumasintha kwambiri.Kuyika kwake kwa kuwala kumasinthidwa kupyolera mu mphete yotsegula pa lens, ndipo ikhoza kusinthidwa nthawi imodzi mpaka ikhale yoyenera.Lens ya auto-iris imangosintha pomwe kuwala kukusintha, ndipo imagwiritsidwa ntchito panja, polowera komanso nthawi zina pomwe kuwala kumasintha kwambiri komanso pafupipafupi.

Auto iris lens

Pali mitundu iwiri ya magalasi amtundu wa iris: imodzi imatchedwa kanema (VIDEO) yoyendetsedwa ndi mtundu, ndipo mandalawo amakhala ndi amplifier dera kuti atembenuke siginecha ya matalikidwe a kanema kuchokera ku kamera kupita kumanja kwa injini ya iris.Mtundu winawo umatchedwa Direct current (DC) drive type, yomwe imagwiritsa ntchito magetsi a DC pa kamera kuwongolera mwachindunji pobowo.Magalasi awa ali ndi galvanometer aperture motor yokha ndipo amafunikira dera la amplifier mkati mwa mutu wa kamera.Pamitundu yonse ya magalasi odziwikiratu, nthawi zambiri pamakhala ziboda ziwiri zosinthika, imodzi ndikusintha kwa ALC (kusintha kwa metering), pali njira ziwiri zopangira nsonga zapamwamba komanso metering wapakati malinga ndi zomwe wawunikira, ndipo fayilo ya metering nthawi zambiri imagwiritsidwa ntchito. ;Zina ndi kusintha kwa LEVEL (sensitivity), komwe kungapangitse chithunzicho kukhala chowala kapena chakuda.

Mawonekedwe a lens

Ma lens a zoom agawidwa m'malensi amanja (MANUAL ZOOM LENS) ndi magetsi (AUTO ZOOM LENS).Ma lens owonera pamanja nthawi zambiri amagwiritsidwa ntchito pofufuza zasayansi osati m'mawunivesite osatseka.Mukayang'anitsitsa zochitika zazikulu, kamera nthawi zambiri imagwiritsidwa ntchito ndi lens yamoto ndi poto / kupendekera.Ubwino wa lens yamoto ndikuti ili ndi makulitsidwe ambiri.Sizingangowona zochitika zambiri, komanso kuyang'ana kwambiri mwatsatanetsatane.Kuphatikiza apo, gimbal imatha kuzungulira mmwamba ndi pansi, kumanzere ndi kumanja, ndipo mawonekedwe owonera ndi akulu kwambiri.Magalasi amoto ali ndi makulidwe angapo monga 6x, 10x, 15x, ndi 20x.Ngati mumadziwa kutalika kwa zolozera, mutha kudziwa mtundu wosiyana wa utali wolunjika wa mandala.Mwachitsanzo, mandala a 6x okhala ndi mainchesi oyambira 8.5mm, mawonekedwe ake amasinthasintha mosalekeza kuchokera pa 8.5 mpaka 51mm, ndipo mawonekedwe ake ndi madigiri 31.3 mpaka 5.5.Magetsi owongolera a mandala amagalimoto nthawi zambiri amakhala DC 8V ~ 16V, ndipo pakali pano ndi 30mA.Choncho, posankha wolamulira, kutalika kwa chingwe chotumizira chiyenera kuganiziridwa bwino.Ngati mtunda uli patali kwambiri, kutsika kwa voteji komwe kumapangidwa ndi mzerewo kumapangitsa kuti lens ikhale yosalamulirika.Ndikofunikira kuwonjezera mphamvu zowongolera zolowera kapena kusintha makina opangira makanema kuti agwirizane ndi chiwongolero cha decoder.

Kuphatikiza pa zinthu zinayi zomwe zili pamwambazi, palinso zidziwitso zina zazing'ono, koma kudziwa ma coefficients anayiwa kumatha kukonza bwino ndikugwiritsa ntchito mandala.

Mfundo yogwira ntchito

Mphamvu ya kamera imalumikizidwa ndi kuwala kwa mchira wobwerera.Pamene zida zobwerera kumbuyo zikugwira ntchito, kamera imayendetsedwa mofanana ndikulowa m'malo ogwirira ntchito, ndipo mavidiyo omwe amasonkhanitsidwa amatumizidwa kwa wolandila opanda zingwe omwe amaikidwa kutsogolo kwa galimotoyo kudzera pa transmitter opanda zingwe.Wolandirayo amatumiza zidziwitso za kanema kudzera pa AV The IN mawonekedwe amatumizidwa ku GPS navigator, kotero kuti wolandila akalandira chizindikiro, mosasamala kanthu za mawonekedwe ogwiritsira ntchito omwe GPS navigator alimo, ipereka patsogolo pazenera la LCD. kanema wobwerera kumbuyo.

Kusiyanitsa pakati pa kamera ya galimoto ndi galimoto yowunikira galimoto ndi galimoto ya DVD yoyendetsa galimoto pamene mukugwiritsa ntchito GPS navigator yonyamula ndi yakuti mukamagwiritsa ntchito galimoto yowunikira galimoto, galimoto yowunikira sifunikira kutsegulidwa, malinga ngati galimoto yowunikira ili kumbuyo. , imangowonetsa chithunzi cha kamera yagalimoto;ndi kuyendetsa galimoto ya DVD ndi Nthawi zambiri, chithunzi cha kamera ya galimoto chikhoza kuwonetsedwa pokhapokha chipangizocho chiyatsidwa;mukamagwiritsa ntchito GPS navigator, chithunzi cha kamera ya galimoto chikhoza kuwonetsedwa pamene woyendetsa akutsegulidwa

Zofunikira pakuyika

Masiku ano, ndikukula kwachangu kwaukadaulo wamagalimoto amagetsi ndi chitetezo, makamera apabwalo asanduka zida zofunikira kwambiri pachitetezo chamsewu.

Kenako, tiyeni tidziwitse luso loyika ndikuwongolera zovuta zamagalimoto.

1. Kutentha kogwira ntchito kwa kamera ya pa bolodi pamsika kuli pakati pa madigiri 0-50.Chifukwa chake ndi chakuti ili mkati mwa galimotoyo, ndipo zofunikira za kutentha ndizokwera kuposa za makamu owunikira wamba.Chachikulu kumanzere ndi kumanja kwa kamera yomwe ili pa board ndikuwunika momwe dalaivala ndi woyendetsa ndege akugwirira ntchito., ndi kuyang'anitsitsa kwadzidzidzi nthawi, kupereka umboni wabwino wa ngozi zapamsewu, ndikusewera ntchito ya bokosi lakuda la galimoto.

2. Makamera pamsika nthawi zambiri amakhala ndi mitundu iwiri yazida zosungira, wamba kompyuta zolimba litayamba ndi sd khadi.Khadi la sd limadziwika ndi kukana kwabwino, koma malo osungira ndi pafupifupi maola 8, ndipo mtengo wokonza ndi wokwera.Ma hard disk wamba amatha kuthandizira 300g, akhoza kulemba kwa mwezi umodzi.

3. Ndipotu, kuwonjezera pa ntchito yowunikira, kamera ya galimoto imakhalanso ndi maseŵera a multimedia, liwiro la galimoto, nambala ya mbale ya laisensi, kuthamanga kwapamwamba, kukwera kwa data yoyendetsa galimoto ndi gps / gprs ndi ntchito zotumizira opanda waya.

4. Chifukwa cha kukhazikitsidwa kwake, kamera yagalimoto ili ndi zofunikira zina poyiyika.Iyenera kukhala yaying'ono mu kukula ndi kuwala mu unsembe.Sizingakhudze malo omwe akukwera ndipo ziyenera kukonzedwa bwino, zomwe zingakhudze kuwunika.Ili ndi kukana kugwedezeka pang'ono.Chofunika kwambiri ndikukhala ndi kuwala kwa infrared, komwe kumakhala kosavuta kuyang'anitsitsa pamene kuwala sikuli bwino.Ndikofunikira kuti mugwiritse ntchito dome yaying'ono ndi kamera ya conch yokhala ndi kuwala kopangidwa mkati mwa infrared.

5. Chifukwa chakuti makampani a kamera yamagalimoto angoyamba kumene, makasitomala alibe zofunikira kwambiri za mtundu uwu poyamba, ndipo mtengo wamtundu ndi wokwera mtengo, koma ndi chitukuko cha teknoloji, makamera amtundu adzafalikira kwambiri.

6. Kuyika mtengo wa basi makamaka kumaphatikizapo zidutswa zotsatirazi: mtengo wa makamera, mtengo wa kamera, hard disk, waya, mtengo wa kukhazikitsa, mtengo wa zipangizo zosiyana zogwirira ntchito ndizosiyana, mtengo wa makamera osiyanasiyana ndi wosiyana, ndi mtengo wa makamera. palokha zimasiyanasiyana msika Ndi yaikulu.

Webusayiti: www.hampotech.com

E-mail: fairy@hampotech.com