Camera Dome vs Bullet: Huong dan so sanh day du
Camera dome va bullet la hai kieu dang CCTV pho bien nhat tren thi truong. Moi loai co nhung loi the rieng tuy thuoc vao moi truong, vi tri lap dat va muc tieu bao mat. Huong dan nay giai thich moi su khac biet de ban co the chon dung loai camera cho tung vi tri trong he thong.
Muc luc
Bang so sanh truc quan
Bang sau so sanh camera dome va bullet theo cac tieu chi lua chon quan trong nhat. Day la cac dac diem chung cho cac model thuong mai pho thong -- san pham cu the co the khac nhau.
| Tinh nang | Camera Dome | Camera Bullet |
|---|---|---|
| Kieu dang | Vo dome nho gon, tron | Than hinh tru, nho ra |
| Chong pha hoai | Cao -- co model IK10, kho chuyen huong | Thap den trung binh -- co the nam, day hoac che |
| Chong thoi tiet | IP66/IP67 (nguy co dong nuoc tren dome) | IP66/IP67 (tam che nang tich hop bao ve ong kinh) |
| Do nhin thay / Ran de | Kin dao -- kho xac dinh huong nhin | Rat de nhin thay -- hieu ung ran de ro rang |
| Tam FOV dien hinh | 90–130° (rong den sieu rong) | 60–110° (hep den trung binh) |
| Tam IR | Thong thuong 15–30 m | Thong thuong 30–80 m (mang IR lon hon) |
| Tot nhat cho | Trong nha, ban le, van phong, tran | Ngoai troi, chu vi, bai do xe, hang rao |
| Lap dat | Gan tran hoac tuong, dieu chinh 3 truc | Gan tuong hoac cot, ngam don gian bang gia do |
| Khoang gia | $60–$300 (2MP–4K) | $50–$250 (2MP–4K) |
Khong loai nao tot hon toan dien. Lua chon dung phu thuoc hoan toan vao noi camera duoc lap va nhiem vu cua no tai vi tri cu the do. Hau het cac he thong chuyen nghiep su dung ket hop ca hai.
Camera Dome: Uu va nhuoc diem
Camera dome la tru cot cua cac he thong CCTV trong nha. Kieu dang nho gon gan tran lam cho chung tro thanh lua chon mac dinh cho van phong, cua hang, khach san, benh vien va moi moi truong ma tham my va chong pha hoai quan trong.
Uu diem
- •Hinh dang kin dao -- Camera dome hoa lan vao tran nha va mai hien. Chung it gay chu y hon nhieu so voi camera bullet va phu hop cho moi truong tiep xuc khach hang.
- •Vo chong pha hoai -- Vo dome chung nhan IK10 chiu duoc va dap len den 5 joule. Thiet ke phang va nhan khong cho ke tan cong cho de nam.
- •An huong nhin -- Nap dome mau toi lam cho viec xac dinh huong nhin chinh xac cua camera tro nen kho khan.
- •Linh hoat lap dat 360 do -- Gimbal 3 truc ben trong dome cho phep huong camera theo hau nhu bat ky huong nao sau khi lap dat.
- •Goc nhin rong -- Nhieu camera dome di kem ong kinh goc rong (2,8 mm) cung cap FOV ngang 100–130°.
Nhuoc diem
- •Tam IR han che -- Vo nho gon gioi han kich thuoc LED IR. Hau het camera dome dat toi da 20–30 met.
- •Kho ngam chinh xac hon -- Dieu chinh goc ben trong dome can noi long vit gimbal, dinh vi lai va lap rap lai.
- •Phan xa IR tren nap dome -- Neu khong can chinh dung, LED IR co the phan xa tu mat trong cua nap dome, gay ra man suong trang trong hinh anh ban dem.
- •Nuoc va bui tren be mat dome -- Camera dome ngoai troi co the tich tu giot mua hoac bui tren nap, lam giam chat luong hinh anh.
Camera Bullet: Uu va nhuoc diem
Camera bullet la kieu dang uu tien cho bao mat ngoai troi va chu vi. Than dai cua chung chua duoc ong kinh lon hon va mang IR manh hon.
Uu diem
- •Tam IR mo rong -- Camera bullet thuong xuyen cung cap 40–80 met chieu sang hong ngoai. Cac model cao cap dat 100 m hoac hon.
- •Ran de nhin thay duoc -- Hinh dang noi bat gui thong diep ro rang rang khu vuc dang bi giam sat.
- •De ngam va dieu chinh -- Noi long gia do, huong camera, van chat. Gia do don gian cho phep ngam nhanh va chinh xac.
- •Tam che nang tich hop -- Vo dai va tam chan tich hop bao ve ong kinh khoi anh nang truc tiep, mua va tuyet.
- •Tuy chon ong kinh varifocal tot hon -- Than dai hon chua duoc ong kinh varifocal va zoom dong co lon hon.
Nhuoc diem
- •De bi xam pham vat ly -- Than nho ra co the bi nam, xoay hoac day lech.
- •Huong nhin ro rang -- Ngay lap tuc ro rang camera bullet dang huong ve dau, cho phep xac dinh diem mu.
- •Gay chu y ve tham my -- Camera bullet tro nen cong nghiep va uy quyen. Trong moi truong nhu ban le cao cap, su hien dien cua chung co the cam thay hung hang.
- •Mang nhen va lam to -- Gia do va tam che nang tao ra cac khe duoc bao ve thu hut nhen va con trung nho.
Khi nao chon tung loai
Quyet dinh giua dome va bullet nen duoc dua ra theo tung vi tri.
Chon camera dome cho
- •Cua hang ban le va trung tam thuong mai -- Dome tran kin dao giam sat loi di, quay tinh tien va loi vao ma khong lam khach hang kho chiu.
- •Toa nha van phong va khong gian doanh nghiep -- Camera dome duy tri ve ngoai chuyen nghiep tai tran tiep tan, hanh lang va ben ngoai phong hop.
- •Khach san, nha hang va nganh dich vu -- Kieu dang kin dao la can thiet trong moi truong tiep xuc khach.
- •Truong hoc, benh vien va toa nha cong -- Dome chong pha hoai IK10 chong lai su xam pham trong khi duy tri hinh dang khong de doa.
- •Thang may va khong gian chat hep -- Camera mini-dome nho gon vua trong khong gian chat hep va bao phu toan bo cabin tu mot vi tri goc.
Chon camera bullet cho
- •Hang rao chu vi va ranh gioi -- Camera bullet cung cap tam IR dai can thiet de bao phu 40–80 met hang rao vao ban dem.
- •Bai do xe -- Su ket hop cua IR tam xa, hieu ung ran de ro rang va vo chong thoi tiet lam cho camera bullet la lua chon mac dinh.
- •Mat ngoai toa nha va cong vao -- Bullet gan tuong huong ve duong vao, cong va khu boc do duoc huong loi tu tam che nang tich hop.
- •Nha kho va cong truong cong nghiep -- Khong gian trong nha lon voi khoang cach tren 30 met duoc huong loi tu tam IR dai hon cua bullet.
- •Vi tri huong duong va ANPR -- Camera bullet voi ong kinh varifocal la lua chon tieu chuan de chup bien so xe.
Dia diem hon hop: Su dung ca hai
Hau het cac he thong CCTV chuyen nghiep su dung ket hop ca hai kieu dang.
Trong nha: 12x camera dome (tiep tan, hanh lang, van phong, cau thang)
Ngoai troi: 6x camera bullet (bai do xe, chu vi, khu boc do, cong)
Tong cong: 18 camera, kieu dang hon hop phu hop voi tung vi tri
Nguyen tac chinh rat don gian: chon kieu dang phuc vu tot nhat cac yeu cau cu the cua tung vi tri camera.
PTZ nhu mot lua chon thay the
Doi voi cac vi tri ma camera dome co dinh hoac bullet co dinh khong cung cap du pham vi bao phu, camera PTZ (Xoay-Nghieng-Phong to) cung cap lua chon thu ba.
Camera PTZ ly tuong cho cac khu vuc mo rong can giam sat chu dong -- san van dong, cong trinh do xe lon, trung tam thanh pho.
Tuy nhien, camera PTZ co gia gap 3–10 lan camera co dinh va PTZ chi co the nhin mot huong tai mot thoi diem.
Tim hieu them ve cac loai camera va thong so ky thuat tai de xuat camera cua chung toi.
Cau hoi thuong gap
Su khac biet chinh giua camera dome va bullet la gi?
Su khac biet chinh la kieu dang va muc dich su dung. Camera dome co vo nho gon, tron ly tuong cho moi truong trong nha. Camera bullet co than hinh tru phu hop hon cho chu vi ngoai troi va giam sat tam xa.
Camera dome co tot hon bullet cho su dung trong nha khong?
Noi chung la co. Camera dome kin dao hon, hoa lan vao tran va vo chong pha hoai chong lai su xam pham. Cho van phong, ban le, khach san va nha hang, camera dome la lua chon tieu chuan.
Camera bullet co the duoc su dung trong nha khong?
Co. Camera bullet hoat dong hoan hao trong nha, dac biet o cac hanh lang dai, nha kho va khu boc do noi tam IR mo rong bao phu khoang cach xa hon.
Loai camera nao chong thoi tiet tot hon?
Ca hai loai deu co model ngoai troi (IP66/IP67), nhung camera bullet xu ly thoi tiet khac nghiet tot hon mot chut nho tam che nang tich hop.
Len ke hoach he thong camera cua ban
Su dung CCTVplanner de dat camera dome va bullet tren so do cua ban, truc quan hoa vung phu song va tao danh sach vat tu chuyen nghiep.
Bai viet lien quan
Cac phuong phap tot nhat de dinh vi camera tai moi loai dia diem
Tieu cu anh huong den goc nhin va khoang cach nhan dang nhu the nao
Tinh toan chinh xac vung phu song cho bat ky to hop ong kinh va cam bien nao
Kham pha tat ca cac cong cu co san de thiet ke he thong CCTV cua ban
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