Maitiro Ekusarudza Kamera yeCCTV Ine Angle Yakafara Yekuona
Kusarudza kamera yeCCTV hakusi kungotaura nezve "ma megapixel mangani" kana kuti "inogona kurekodha husiku?" Chimwe chinhu chinowanzo ratidza kushanda kwesystem yekutarisa ifield of view (FOV). Makamera ane angle yakafara yekuona anogona kutora nzvimbo yakakura mufuremu imwe chete, nokudaro achideredza nzvimbo dzisingaonekwe uye achideredza huwandu hwemakamera anodiwa. Zvisinei, angle yakafara inewo mhedzisiro dzakadai sekukanganiswa kwemufananidzo uye kuderedzwa kweruzivo rwechinhu. Saka, zvakakosha kunzwisisa kuti ungasarudza sei CCTV yakafara yakakodzera zvaunoda.
Heino gwara rakakwana rekusarudza kamera yeCCTV ine kona yakafara yekuona kuti uwane mhedzisiro yakanyanya yekutarisa.
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1. Nzwisisa kuti Chinonzi Wide Angle of View (FOV) Chii
Field of View (FOV) ihwo upamhi hwenzvimbo inogona kutorwa nekamera. Kana nhamba yacho yakakura (semuenzaniso, 110°, 130°, kana 180°), nzvimbo iri mufuremu inowedzerawo kukura. Makamera ane angle yakafara anowanzo bva pa100° kusvika 180°.
Zvisinei, FOV haimire yoga. Nzvimbo inoonekwa inokanganiswawo nekureba kwekamera kubva pane chinhu chacho nenzvimbo yayo yekumisikidza. Kona ye120° munzvimbo diki inogona kuita seyakafara zvikuru, asi muyadhi hombe, inogona kuramba ichinzwa isina kukwana kana yakaiswa pakakwirira zvakanyanya kana kure zvakanyanya nenzvimbo yaunoda.
Zvakakosha: FOV yakafara yakakodzera kutarisa nzvimbo dzakajairika, asi haisiyo nguva dzose yakakodzera kuverenga zvinhu zvidiki zvakaita sezviso zviri kure kana marezinesi emotokari.
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2. Sarudza Chinodiwa: Nzvimbo Yakakura kana Zvinhu Zvakawanda?
Usati wasarudza kamera ine angle yakakura, sarudza zvaunonyanya kukoshesa:
– Kukosha kwekufukidza: kumakamuri ekutandarira, matura, mayadhi ekumberi, nzvimbo dzemuchengeti wemari, nzvimbo dzekugara, kana nzvimbo pfupi. Makamera ane makona akafara anobatsira zvikuru mukuderedza nzvimbo dzisingaonekwe.
– Isa zvinhu zvakakosha (kuzivikanwa): kune nzvimbo dziri kure dzekupinda, magedhi ane mota, kana nzvimbo dzinoda kuzivikanwa kwakajeka. Kona yakafara zvikuru inogona kuita kuti zvinhu zviite sezvidiki, zvichikonzera kurasikirwa neruzivo.
Kana muchida zvese zviri zviviri, munogona kusanganisa: kamera imwe ine angle yakafara kuti ifukidzwe nevanhu vose, pamwe nekamera imwe ine angle yakamanikana/varifocal kuti muone zvinhu zvakadzama panguva dzakakosha.
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3. Teerera lenzi: Kureba kwefocal ndiko kunosarudza hupamhi hwekona
Maonero ekamera anokanganiswa zvakanyanya nehukuru hwe lenzi (mm):
– 2.8 mm: kazhinji yakafara (inenge 90°–110° zvichienderana nesensa)
– 2.1 mm / 1.8 mm: yakafara zvakanyanya (inogona kuva 120° zvichikwira)
– 3.6 mm: yakatetepa (inenge 70°–90°)
– Varifocal (semuenzaniso 2.8–12 mm): inogona kugadziriswa sezvinodiwa
Kana uchitsvaga angle yakafara yekuona, lenzi ye2.8mm inowanzo kuve yakachengeteka nekuti ichiri yakakura zvakakwana asi haikonzeri kukanganiswa kwakawanda seyakafara zvakanyanya. Kana paine mamiriro ezvinhu akaomarara akadai senzvimbo diki kana nzvimbo dzaunoda lenzi inenge "ine kamera imwe chete inokwana zvese", lenzi ye1.8–2.1mm ingave yakakosha kufunga nezvayo, asi gadzirira mukana wekukanganiswa.
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4. Tarisa Rudzi rweKamera: Yakafara-Angle Yakajairika, Fisheye, kana Panoramic?
Kune nzira dzakasiyana-siyana dzekutarisa makona akafara:
1. Gona rakafara (lenzi pfupi yakaita se2.8 mm)
- Mabhenefiti: chitarisiko chechisikigo, kuiswa kuri nyore
– Zvakashata: kuchine nzvimbo dzisingaonekwe pamativi akati wandei kana nzvimbo yacho yakakura zvikuru.
2. Fisheye 180° (yakakwana 360° padenga)
- Mabhenefiti: nzvimbo yakakura kwazvo, yakakodzera makamuri makuru, zvitoro, mahoro
– Zvakashata: kukanganisa kwakanyanya; zvinoda "kugadziriswa kwekukanganiswa" (kugadzirisa kukanganisa) muDVR/NVR kana application
3. Panoramic multi-sensor
- Kushandisa masensa maviri kana anopfuura kugadzira mifananidzo yakakura pasina kukanganisa kwakanyanya
- Mabhenefiti: ruzivo rwuri nani pane fisheye
– Zvakashata: zvinodhura zvakanyanya
Kana uchida mapikicha ane angle yakafara achiri kutaridzika zvakanaka, kamera ine panoramic ine sensor dzakawanda isarudzo yepamusoro. Kune zvinodiwa pamari shoma, angle yakafara yakajairika inowanzo kukwana.
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5. Kugadzirisa Kunogona Kuparadzaniswa neWide Angle
Ichi chikanganiso chinowanzoitika: kusarudza FOV yakafara asi ine resolution yakaderera. Sezvo kona ichikura, mapikiseli anopararira panzvimbo yakakura, zvichikonzera kudzikira kweruzivo pamita imwe neimwe.
Mazano ari nyore:
- Isingasviki 1080p (2MP) yekamuri rakafara remukati
– 4MP kana 5MP yakanakira nzvimbo dzakakura kuitira kuti zvinhu zvirambe zvichinyatsooneka.
– 8MP/4K yakakodzera nzvimbo dzakakura dzakadai semayadhi kana nzvimbo dzekupaka mota, kunyanya kana uchida kukwanisa "kudhonza dhijitari" kuti uone zvimwe zvinhu.
Kana uri kungoisa kamera imwe chete yakafara kuti ivhare kamuri rimwe chete, kuwedzera resolution kunowanzo shanda zvakanyanya pane kuwedzera angle yakanyanya.
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6. WDR uye Mamiriro Emwenje: Kiyi Yekudzivirira Kupenya
Makona akafara anowanzo tora manyuko echiedza akawanda: mahwindo, magonhi, marambi, kana kupenya. Saka, unofanira kutarisisa zvinhu zvinotevera:
– WDR (Wide Dynamic Range): inobatsira kuenzana kwenzvimbo dzine rima nedzakajeka mufuremu imwe chete, zvakakosha kumakamera akatarisana nemasuo/mahwindo.
– BLC/HLC: inobatsira kubata mwenje wekumashure kana mwenje yemotokari.
– Kuona husiku / IR: Iva nechokwadi chekuti IR range yakakodzera nzvimbo yacho. Makona akafara dzimwe nguva anogona kukonzera kuti IR "ipararire," zvichideredza kushanda kwayo.
Kana kamera ikashandiswa munzvimbo ine musiyano mukuru (semuenzaniso, gonhi rechitoro rakatarisana nemugwagwa), WDR yakanaka inogona kukosha kupfuura kuwedzera mamegapixel.
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7. Kukanganisa uye Kuchinja-chinja: Usanyengerwa neManhamba eDhigirii
Kana kona yakafara, mukana wekuti mativi emifananidzo akakombama aonekwe zvakanyanya. Kukanganisa uku hakusi dambudziko nguva dzose pakuona, asi kunogona kukanganisa kana uchida kuona mitsetse yakatwasuka (semuenzaniso, mukoridho) kana kuverenga zvakadzama.
Funga nezve:
- Kamera ine basa rekubvisa mavanga
- Mudziyo wekurekodha (NVR) kana application inotsigira kugadzirisa kukanganisa
- Edza zvinyorwa zvemuenzaniso, kwete kungotarisa zvakatemwa
Usangoyedzwa ne "180°", nekuti pasina kubvisa mhedzisiro yacho zvinogona kusafadza uye kusashanda zvakanaka.
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8. Sarudza Nzvimbo Yakakodzera uye Kureba Kwakakodzera
Kureba kwakafara kunonyanya kukanganiswa nenzira yekugadzika. Mazano akajairika:
– Kuti ishandiswe mumba, isa mukona yekamuri kuti ifukidzwe zvakanyanya.
– Usakwire zvakanyanya kana uchida kuziva zviso; kona yekamera yakaderera zvikuru ichaita kuti zviso zvisajeke.
– Dzivisa kutarisana nechiedza chakasimba zvakananga.
– Pakushandisa panze, ziva mukana wekuti kamera itore mifananidzo yenzvimbo dzeveruzhinji dzisingadiwi (kuchengetedzwa kwenzvimbo dzevavakidzani).
Kazhinji, kuiswa zvakanaka kunoita kuti lenzi ye2.8mm inzwe "yakafara" uye ichishanda zvakanyanya kupfuura lenzi yakanyanya kukwira isina kunaka.
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9. Funga nezveZvimwe Zvishandiso zveKamera Yakafara
Zvimwe zvinobatsira zvemakamera ane angle yakakura:
- Kuona vanhu/AI: kunoderedza maalamu enhema nekuda kwekufamba kudiki pamucheto wefuremu.
– Kuvhara zvakavanzika: kufukidza dzimwe nzvimbo (mahwindo evavakidzani, migwagwa yeveruzhinji)
- MicroSD/kurekodha mumucheto: backup kana network yakarasika
- Chiyero cheIP (IP66/IP67) chekunze
- Ruzha (kana zvichidikanwa) zvichienderana nemitemo yekuchengetedzwa kwekuchengetedzwa kwenharaunda
Nekuti makamera ane angle yakafara anorekodha nzvimbo yakakura, AI uye maficha ekuchengetedza zvakavanzika anowanzo kuve mukana wakakosha.
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10. Ita Kuverenga Kuri Nyore: Upamhi hweNzvimbo Yakatorwa
Kuti usaite sarudzo isiriyo, fungidzira zvirinani:
- Kuona mafambiro eKamera (semuenzaniso 110°)
- Kureba kwekamera kusvika panzvimbo inofanira kutariswa (semuenzaniso mamita mashanu)
Kana uri kure, nzvimbo yawakabatwa inowedzera kukura, asi ruzivo rwacho runowedzera kunaka. Kana chinangwa chako chiri chekuzivikanwa, ungangoda kamera yekuwedzera yakatarisa pedyo nenzvimbo yekupinda.
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Mhedziso
Kusarudza kamera yeCCTV ine kona yakafara yekuona inzira inoshanda yekutarisa nzvimbo yakakura ine makamera mashoma, kuderedza nzvimbo dzisingaonekwe, uye kuwedzera kushanda zvakanaka kwekuisa. Zvisinei, kona yakafara yekuona inofanira kuenzaniswa ne resolution yakakwana, WDR uye kugona kuona husiku, uye kufunga nezvekukanganiswa kwekamera uye nzvimbo yayo. Pakushandiswa kwakajairika, lenzi ye2.8mm ine resolution ye4MP inowanzo kuve musanganiswa wakakodzera. Kana uchida kufukidzwa kwakanyanya, funga nezve lenzi yefisheye/panoramic ine rutsigiro rwekubvisa warping.
Kana muchida, ndapota taurai nzvimbo yekuisa (mukati/kunze), saizi yenzvimbo (kureba x upamhi), uye chinangwa chikuru (kutarisa kwakajairika kana kuzivikanwa kwechiso/rezenisi). Ndinogona kukurudzira mhando yekamera inoshanda zvakanyanya, lenzi, uye huwandu hwenzvimbo dzekuisa.
