Chitsogozo Chosankha Hard Drive Yabwino Kwambiri ya CCTV DVR
Chimodzi mwazinthu zofunika kwambiri pakuzindikira mtundu wa chitetezo cha CCTV si kamera kapena DVR yokha, komanso malo osungiramo zinthu. Nthawi zambiri zojambulira sizimasewera, kuwonongeka mwachangu, kapena kudzaza mwachangu zimachitika chifukwa cha kusankha hard drive (HDD) yosayenera. Ma CCTV DVR amagwira ntchito maola 24 patsiku, akulemba deta yamavidiyo nthawi zonse, kotero zofunikira zawo pa hard drive ndizosiyana ndi za HDD ya kompyuta yapakhomo. Nkhaniyi ikufotokoza za kalozera wosankha hard drive yabwino kwambiri ya CCTV DVR yanu kuti muwonetsetse kuti zojambulirazo ndi zotetezeka, zokhazikika, komanso zolimba.
1. Mvetsetsani Kusiyana Pakati pa CCTV HDD ndi Desktop HDD
Ma hard drive a pa desktop nthawi zambiri amapangidwa kuti azigwira ntchito tsiku ndi tsiku nthawi ndi nthawi. Pakadali pano, ma CCTV DVR amachita kujambula kosalekeza (continuous write), zomwe zimapangitsa kuti mota, mutu, ndi zigawo zamkati za HDD zikhale zovuta kwambiri.
Ma HDD enieni a CCTV (omwe nthawi zambiri amatchedwa ma HDD oyang'anira) nthawi zambiri amakhala ndi:
- Yakonzedwa kuti igwire ntchito maola 24 pa tsiku, masiku 7 pa sabata, yoyenera kujambula nthawi zonse.
- Firmware yapadera yogwiritsira ntchito makanema angapo (makanema ambiri) kuchokera ku makamera angapo nthawi imodzi.
- Kukonza zolakwika zoyenera pojambula kanema. Mu makina a CCTV, kuchedwa kuwerenga/kulemba kungayambitse kugwa kwa mafelemu kapena kudumpha kujambula.
- Kupirira kwakukulu komanso kuchuluka kwa ntchito kuposa ma HDD wamba a pakompyuta.
Ngati muyika HDD ya pakompyuta mu DVR, ingagwire ntchito, koma chiopsezo cha kutentha kwambiri, kulephera, kapena kujambula kosakhazikika ndi chachikulu kwambiri—makamaka kwa makina omwe ali ndi makamera ambiri kapena ma resolution apamwamba.
2. Dziwani Mphamvu Yogwiritsira Ntchito Kutengera Zosowa Zojambulira
Kusankha HDD yabwino kwambiri sikutanthauza nthawi zonse yayikulu, koma yomwe ikugwirizana bwino ndi zolinga zanu zosungira (monga masiku 7, masiku 14, kapena masiku 30). Kuchuluka kwa zinthu kumakhudzidwa ndi zinthu zingapo:
1. Chiwerengero cha makamera (monga njira 4, 8, 16).
2. Chisankho (2MP/1080p, 4MP, 5MP, 8MP/4K).
3. Chiŵerengero cha chimango (FPS): 10 fps ndi yothandiza kwambiri kuposa 25/30 fps.
4. Kodeki yokakamiza: H.265/H.265+ ndi yothandiza kwambiri kuposa H.264.
5. Bitrate: khalidwe likakwera, malo ofunikira amakhala ambiri.
6. Kujambula: Kuzindikira mayendedwe kwa maola 24 kapena kungoyang'ana mayendedwe okha.
Mwachitsanzo chosavuta, makina a makamera anayi a 1080p okhala ndi H.265 compression ndi makonda ogwira ntchito bwino akhoza kukhala okwanira ndi 1–2TB kwa nthawi yosungira ya masiku pafupifupi 7–14, koma makonda ena amatha kusiyana kwambiri. Ngati mukufuna nthawi yayitali yosungira (monga masiku 30) yokhala ndi makamera asanu ndi atatu a 4MP, ganizirani za mphamvu yayikulu, monga 4TB–8TB, kapena ganizirani za makina osungira zinthu okwana magawo awiri.
Malangizo othandiza: Ngati mukukayikira, ndibwino kusankha mphamvu yayikulu pang'ono kuti DVR isalembe mwachangu zojambulira zakale musanafike nthawi yomwe mukufuna kusunga.
3. Sankhani Mtundu wa HDD Wopangidwira Mwapadera Kuti Uziyang'aniridwa
Pa ma CCTV DVR/NVR, chofunika kwambiri ndi kukhazikika kwa kulemba, osati liwiro la kuwerenga kwambiri ngati la masewera. Sankhani HDD yogulitsidwa kuti iwonetsedwe. Nthawi zambiri mupeza mitundu ngati:
– WD Purple (Kuyang'anira)
- Seagate SkyHawk (Kuyang'anira)
Zonsezi zimagwiritsidwa ntchito kwambiri pa ma DVR/NVR chifukwa zimapangidwa kuti zigwire ntchito maola 24 pa tsiku, masiku 7 pa sabata. Kupatula mtundu wa kampani, samalani ndi mndandanda woyenera—popeza mtundu uliwonse ukhoza kukhala ndi mizere yosiyana ya desktop, NAS, bizinesi, ndi kuyang'anira.
4. Samalani kukula kwake: mainchesi 3.5 vs mainchesi 2.5
Ma CCTV DVR ambiri amagwiritsa ntchito ma HDD a mainchesi 3.5 (monga ma PC HDD), chifukwa:
- Kuchuluka kwa mphamvu.
– Mtengo pa TB iliyonse ndi wotsika mtengo.
- Kawirikawiri magwiridwe antchito ndi kulimba ndizoyenera kwambiri pamakina osasinthasintha.
Ma HDD a mainchesi 2.5 nthawi zambiri amagwiritsidwa ntchito pazida/malaputopu onyamulika. Ma DVR ena amathandizira ma drive a mainchesi 2.5, koma mphamvu yawo komanso kulimba kwawo pakugwiritsa ntchito maola 24 pa sabata nthawi zambiri sizikhala zabwino ngati ma drive a mainchesi 3.5. Ngati DVR yanu imathandizira ma drive a mainchesi 3.5, ndiye chisankho chotetezeka kwambiri pamakina okhazikika.
5. Sinthani Liwiro Lozungulira ndi Kuyang'ana pa Kukhazikika
Pankhani ya CCTV, HDD ya 5400 RPM nthawi zambiri imakhala yokwanira, chifukwa chofunikira kwambiri ndi kulemba deta yokhazikika ya kanema. HDD ya 7200 RPM nthawi zina imapereka magwiridwe antchito apamwamba, koma imatha:
– Kutentha kwambiri.
- Kugwiritsa ntchito mphamvu zambiri.
- Zingakhale phokoso kwambiri.
Pa makina ambiri a DVR apakhomo/mabizinesi ang'onoang'ono, HDD yowunikira ya 5400–5900 RPM ndi yabwino kwambiri. Ngati mukugwiritsa ntchito makamera ambiri okhala ndi mawonekedwe apamwamba kapena NVR yokwera kwambiri, yang'anani malangizo a wopanga DVR/NVR ndi zomwe HDD ikunena kuti ikhoza kuthana ndi kutsitsa kwa vidiyo.
6. Chongani "Kuchuluka kwa Ntchito" ndi Chiwerengero cha Makamera Othandizidwa
Zinthu zofunika zomwe nthawi zambiri zimanyalanyazidwa ndi kuchuluka kwa ntchito (monga kuchuluka kwa TB/chaka) ndi kuchuluka kwa makanema/makamera omwe amathandizidwa. Ma HDD owunikira nthawi zambiri amatchula kuchuluka kwa makamera omwe angagwiritse ntchito bwino.
Dongosolo likakula (monga makamera 16 a 4MP omwe akuyenda maola 24 pa tsiku, masiku 7 pa tsiku, mungafunike HDD yochuluka, kapena njira ina:
- Kugwiritsa ntchito ma HDD oposa amodzi (ngati DVR ikuthandizira).
- Ganizirani njira za NVR zokhala ndi malo osungira a NAS/RAID, ngati sikelo ndi yayikulu.
Ngati DVR yanu ikupereka malo amodzi okha a HDD, ndiye kuti kusankha HDD yowunikira kumakhala kofunika kwambiri chifukwa ntchito yonse imadalira drive imodziyo.
7. Ganizirani Kulimba, Chitsimikizo, ndi Mbiri
Popeza ma DVR amajambula nthawi zonse, HDD ndiye chinthu chomwe chimakalamba mwachangu kwambiri. Choncho, taganizirani izi:
– Chitsimikizo chovomerezeka (nthawi zambiri zaka 2-3 za mndandanda wowunikira, zimatha kusiyana kutengera mtundu/dziko).
- Zogulitsa zimatsimikiziridwa ndi ogulitsa ovomerezeka kuti apewe mavuto okhudzana ndi madandaulo.
- Mbiri ya mndandanda wa HDD pakugwiritsa ntchito kwenikweni kuyang'anira.
Kumbukirani: HDD yotsika mtengo koma yofulumira kwambiri ingakuthandizeni kupeza ndalama zambiri chifukwa mumataya zithunzi zofunika ndipo muyenera kusintha drive mwachangu.
8. Onetsetsani kuti DVR yanu ikugwirizana ndi yanu
Musanagule, onani zotsatirazi:
- Mphamvu yayikulu yothandizidwa ndi DVR (monga 6TB/8TB/10TB pa malo aliwonse).
– Chiyankhulo: kawirikawiri SATA.
- Chithandizo cha njira yosinthira ndi kuyambitsa: ma DVR ena amapempha njira ya "HDD" mu menyu ya DVR.
Ngati mwayika HDD yatsopano, iyambeni kuchokera ku DVR ndikuwonetsetsa kuti ili ndi "Yabwinobwino/Yathanzi".
9. Pewani Zolakwa Zofala
Zolakwika zina zomwe zimachitika posankha HDD ya CCTV DVR:
1. Kugwiritsa ntchito HDD yogwiritsidwa ntchito kuchokera ku PC yakale. N'zotheka, koma chiopsezo chake ndi chachikulu chifukwa cha ukalamba komanso magawo oipa samawonekera nthawi yomweyo.
2. Kuganiza kuti ma HDD onse ndi ofanana. Komabe, kapangidwe ka firmware ndi ntchito zimakhudza kwambiri kukhazikika kwa kujambula.
3. Kusasamalira kutentha. Ma DVR omwe amaikidwa m'malo otsekedwa opanda mpweya wabwino amachititsa kuti HDD itenthe msanga ndikufupikitsa nthawi yake yogwira ntchito.
4. Kusawerengera kuchuluka kwa zinthu zomwe zingagwire ntchito kuti zolembedwazo zichotsedwe mwachangu (kusinthidwa).
Yankho: sankhani HDD yatsopano yowonera, ikani DVR pamalo ozizira/opanda mpweya, ndikukhazikitsa bitrate ndi recording mode ngati pakufunika.
10. Malangizo Othandiza Ochokera pa Mulingo Wogwiritsira Ntchito
Nayi kalozera wachidule (wamba) wokuthandizani kuti zinthu zikhale zosavuta:
– Kunyumba (makamera 2–4 a 1080p/2MP): HDD yowunikira ya 1TB–2TB.
– Sitolo yaying'ono (makamera 4–8 a 1080p–4MP): HDD yowunikira ya 2TB–4TB.
– Msika waofesi/wamng'ono (makamera 8–16 a 4MP): 4TB–8TB, ganizirani za DVR yokhala ndi malo ambiri kapena makina owonjezera.
– Kukula kwakukulu: ndikotetezeka kugwiritsa ntchito NVR+NAS/RAID kapena ma HDD angapo kuti katundu asakhazikike pa drive imodzi.
Ziwerengero zomwe zili pamwambapa ziyenera kusinthidwa malinga ndi nthawi yosungiramo ya bitrate, fps, codec, ndi target recording.
Mapeto
Kusankha hard drive yabwino kwambiri ya CCTV DVR yanu ndi nkhani yogwirizanitsa zosowa zojambulira 24/7 ndi mphamvu ya chipangizocho, kulimba kwake, komanso kugwirizana kwake. Ikani patsogolo HDD yoyang'anira, kuwerengera mphamvu zomwe mukufuna kutengera kuchuluka kwa makamera ndi khalidwe la makanema, ndikuwonetsetsa kuti DVR yanu ikugwirizana ndi mphamvu ya HDD yomwe mwasankha. Mukasankha HDD yoyenera, mudzapeza zojambulira zokhazikika, kuchepetsa chiopsezo cha kutayika kwa deta, ndikupereka chitetezo chodalirika kwambiri.
Ngati mukufuna, chonde tchulani chiwerengero cha makamera, resolution, codec (H.264/H.265), ndi chiwerengero cha masiku osungira omwe mukufuna, ndiye kuti ndingakuthandizeni kuwerengera kuchuluka kwa HDD komwe kuli koyenera kwambiri pa DVR yanu.
