{"id":11966,"date":"2013-01-14T13:39:47","date_gmt":"2013-01-14T06:39:47","guid":{"rendered":"https:\/\/banbientan.com\/?p=11966"},"modified":"2013-01-14T13:39:47","modified_gmt":"2013-01-14T06:39:47","slug":"khoang-cach-toan-doi-voi-manh-toan-quang-hoc","status":"publish","type":"post","link":"https:\/\/hunglong.banbientan.com\/?p=11966","title":{"rendered":"Kho\u1ea3ng c\u00e1ch an to\u00e0n \u0111\u1ed1i v\u1edbi M\u00e0nh an to\u00e0n quang h\u1ecdc"},"content":{"rendered":"

Kho\u1ea3ng c\u00e1ch an to\u00e0n cho m\u00e0nh an to\u00e0n quang h\u1ecdc \u0111\u01b0\u1ee3c t\u00ednh to\u00e1n d\u1ef1a v\u00e0o c\u1ea3 c\u00f4ng th\u1ee9c c\u1ee7a ANSI \u0111\u1ed1i v\u1edbi khu v\u1ef1c B\u1eafc M\u1ef9, ho\u1eb7c d\u1ef1a v\u00e0o c\u00f4ng th\u1ee9c ISO \u0111\u1ed1i v\u1edbi khu v\u1ef1c ch\u00e2u \u00c2u v\u00e0 c\u00e1c v\u00f9ng qu\u1ed1c t\u1ebf kh\u00e1c. Kho\u1ea3ng c\u00e1ch an to\u00e0n t\u00ednh theo hai c\u00e1ch n\u00e0y kh\u00e1c bi\u1ec7t nhau r\u1ea5t nh\u1ecf. Th\u00f4ng tin sau d\u1ef1a v\u00e0o ti\u00eau chu\u1ea9n ANSI <\/strong>B11.19-2010.
\nC\u00f4ng th\u1ee9c theo ti\u00eau chu\u1ea9n ANSI bao g\u1ed3m<\/strong>: Ds = K (Ts + Tc + Tr + Tspm) + Dpf
\n<\/strong>
\nTrong \u0111\u00f3: Ds<\/strong> = Kho\u1ea3ng c\u00e1ch an to\u00e0n t\u1ed1i thi\u1ec3u t\u00ednh theo \u0111\u01a1n v\u1ecb inches gi\u1eefa v\u00f9ng nh\u1eadn bi\u1ebft c\u1ee7a M\u00e0nh an to\u00e0n quang h\u1ecdc v\u00e0 \u0111i\u1ec3m m\u1ea5t an to\u00e0n g\u1ea7n nh\u1ea5t
\nK<\/strong> = T\u1ed1c \u0111\u1ed9 t\u1ed1i \u0111a m\u00e0 m\u1ed9t ng\u01b0\u1eddi c\u00f3 th\u1ec3 x\u00e2m nh\u1eadp v\u00e0o v\u00f9ng nguy hi\u1ec3m \u0111\u01b0\u1ee3c t\u00ednh theo \u0111\u01a1n v\u1ecb inch\/gi\u00e2y.Ts<\/strong> = T\u1ed5ng th\u1eddi gian t\u00ednh theo \u0111\u01a1n v\u1ecb gi\u00e2y \u0111\u1ec3 d\u1eebng chuy\u1ec3n \u0111\u1ed9ng g\u00e2y nguy hi\u1ec3m ho\u1eb7c \u0111\u1ec3 ho\u00e0n th\u00e0nh chu k\u1ef3 m\u00e1y g\u00e2y nguy hi\u1ec3m.
\nTc<\/strong> = Th\u1eddi gian \u0111\u00e1p \u1ee9ng t\u00ednh theo gi\u00e2y c\u1ee7a m\u1ea1ch \u0111i\u1ec1u khi\u1ec3n \u0111\u1ec3 k\u00edch ho\u1ea1t phanh c\u1ee7a m\u00e1y.
\nTr<\/strong> = Th\u1eddi gian \u0111\u00e1p \u1ee9ng t\u00ednh theo gi\u00e2y c\u1ee7a h\u1ec7 th\u1ed1ng M\u00e0nh an to\u00e0n quang h\u1ecdc. Tspm<\/strong> = Th\u1eddi gian tr\u1ec5 khi d\u1eebng m\u00e1y t\u00ednh theo gi\u00e2y cho ph\u00e9p b\u1edfi b\u1ed9 ki\u1ec3m so\u00e1t qu\u00e1 tr\u00ecnh d\u1eebng tr\u01b0\u1edbc khi ph\u00e1t hi\u1ec7n ra l\u1ed7i th\u1eddi gian d\u1eebng.
\nB\u1ed9 ki\u1ec3m so\u00e1t qu\u00e1 tr\u00ecnh d\u1eebng s\u1ebd h\u00e3m m\u00e1y khi th\u1eddi gian d\u1eebng c\u1ee7a m\u00e1y v\u01b0\u1ee3t qu\u00e1 th\u1eddi gian d\u1eebng quy \u0111\u1ecbnh.
\n\u0110i\u1ec1u n\u00e0y s\u1ebd cho bi\u1ebft t\u00ecnh tr\u1ea1ng m\u00f2n m\u00e1 phanh \u0111\u00e3 xu\u1ea5t hi\u1ec7n.Dpf<\/strong> = Kho\u1ea3ng c\u00e1ch th\u00eam v\u00e0o t\u00ednh theo \u0111\u01a1n v\u1ecb inch, theo c\u00e1c t\u00e1c nh\u00e2n \u0111\u1ed9 s\u00e2u x\u00e2m nh\u1eadp theo h\u00ecnh 5.4.
\n\u0110\u1ea1i l\u01b0\u1ee3ng n\u00e0y li\u00ean quan \u0111\u1ebfn \u0111\u1ed9 nh\u1ea1y t\u1ed1i thi\u1ec3u c\u1ee7a M\u00e0nh an to\u00e0n quang h\u1ecdc v\u00e0 kho\u1ea3ng c\u00e1ch m\u1ed9t v\u1eadt th\u1ec3 c\u00f3 th\u1ec3 di chuy\u1ec3n qua v\u00f9ng c\u1ea3m nh\u1eadn c\u1ee7a c\u1ea3m bi\u1ebfn tr\u01b0\u1edbc khi c\u00f3 ph\u1ea3n \u1ee9ng c\u1ee7a m\u00e0nh an to\u00e0n quang h\u1ecdc.<\/span><\/p>\n

\n

Theo ti\u00eau chu\u1ea9n ISO 13855<\/span><\/strong><\/p>\n

Kho\u1ea3ng c\u00e1ch an to\u00e0n cho M\u00e0nh an to\u00e0n quang h\u1ecdc<\/span><\/p>\n

\n

C\u00f4ng th\u1ee9c ISO 13855 (\u0111\u1ed1i v\u1edbi ti\u1ebfp c\u1eadn th\u00f4ng th\u01b0\u1eddng) l\u00e0:
\n<\/span><\/p>\n

\n

S = K(t1 + t2) + C
\n<\/strong><\/span><\/center><\/p>\n

\n

Trong \u0111\u00f3:
\nS<\/strong> = Kho\u1ea3ng c\u00e1ch an to\u00e0n t\u1ed1i thi\u1ec3u gi\u1eefa v\u00f9ng c\u1ea3m nh\u1eadn c\u1ea3m bi\u1ebfn c\u1ee7a M\u00e0nh an to\u00e0n quang h\u1ecdc v\u00e0 \u0111i\u1ec3m m\u1ea5t an to\u00e0n t\u00ednh theo mm nh\u01b0ng kh\u00f4ng nh\u1ecf h\u01a1n 100 mm.
\nK<\/strong> = T\u1ed1c \u0111\u1ed9 ti\u1ebfp c\u1eadn c\u1ee7a ng\u01b0\u1eddi v\u1eadn h\u00e0nh (1600mm\/gi\u00e2y \u0111\u1ed1i v\u1edbi ti\u1ebfp c\u1eadn th\u00f4ng th\u01b0\u1eddng)
\nt1<\/strong> = th\u1eddi gian d\u1eebng t\u1ed1i \u0111a c\u1ee7a m\u00e1y t\u00ednh theo gi\u00e2y.
\nt2<\/strong> = Th\u1eddi gian \u0111\u00e1p \u1ee9ng c\u1ee7a m\u00e0nh an to\u00e0n quang h\u1ecdc t\u00ednh b\u1eb1ng gi\u00e2y.
\nC<\/strong> = Kho\u1ea3ng c\u00e1ch an to\u00e0n ph\u1ee5 t\u00ednh b\u1eb1ng mm, ph\u1ee5 thu\u1ed9c v\u00e0o kh\u1ea3 n\u0103ng ph\u00e1t hi\u1ec7n v\u1eadt c\u1ee7a m\u00e0nh an to\u00e0n quang h\u1ecdc. Gi\u00e1 tr\u1ecb c\u1ee7a C kh\u00f4ng bao gi\u1edd nh\u1ecf h\u01a1n 0. C = 8(d-14) Trong \u0111\u00f3: d<=40mm
\nC = 850 mm Trong \u0111\u00f3: 40<d<=70mm<\/span><\/p>\n

\n

d<\/strong>= \u0110\u1ed9 ph\u00e2n gi\u1ea3i v\u1eadt th\u1ec3 t\u1ed1i thi\u1ec3u (kh\u1ea3 n\u0103ng ph\u00e1t hi\u1ec7n) c\u1ee7a m\u00e0nh an to\u00e0n quang h\u1ecdc.<\/span><\/p>\n

B\u1ea3o v\u1ec7 theo chi\u1ec1u ngang<\/span><\/strong><\/p>\n

Kho\u1ea3ng c\u00e1ch an to\u00e0n cho \u1ee9ng d\u1ee5ng b\u1ea3o v\u1ec7 theo chi\u1ec1u ngang\"\"<\/a><\/span><\/p>\n

\u0110\u1ed1i v\u1edbi c\u00e1c thi\u1ebft b\u1ecb b\u1ea3o v\u1ec7 theo chi\u1ec1u ngang v\u00ed d\u1ee5 nh\u01b0 th\u1ea3m an to\u00e0n, m\u00e1y qu\u00e9t laser khu v\u1ef1c ho\u1eb7c m\u00e0nh an to\u00e0n quang h\u1ecdc chi\u1ec1u ngang, kho\u1ea3ng c\u00e1ch g\u00e1 l\u1eafp an to\u00e0n \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh th\u00f4ng qua c\u00f9ng c\u00e1c c\u00f4ng th\u1ee9c, kh\u00e1c bi\u1ec7t gi\u1eefa gi\u00e1 tr\u1ecb Dpf v\u00e0\/ho\u1eb7c gi\u00e1 tr\u1ecb C l\u00e0 m\u1ed9t h\u1eb1ng s\u1ed1 48″ (1200mm).<\/span><\/p>\n

    \n
  1. \n
    C\u1ea3m bi\u1ebfn khu v\u1ef1c<\/div>\n<\/li>\n
  2. \n
    M\u00e0nh an to\u00e0n quang h\u1ecdc<\/div>\n<\/li>\n
  3. \n
    Th\u1ea3m an to\u00e0n<\/div>\n<\/li>\n
  4. \n
    V\u00f9ng nguy hi\u1ec3m<\/div>\n<\/li>\n<\/ol>\n


    \n<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"

    Kho\u1ea3ng c\u00e1ch an to\u00e0n cho m\u00e0nh an to\u00e0n quang h\u1ecdc \u0111\u01b0\u1ee3c t\u00ednh to\u00e1n d\u1ef1a v\u00e0o c\u1ea3 c\u00f4ng th\u1ee9c c\u1ee7a ANSI \u0111\u1ed1i v\u1edbi khu v\u1ef1c B\u1eafc M\u1ef9, ho\u1eb7c d\u1ef1a v\u00e0o c\u00f4ng th\u1ee9c ISO \u0111\u1ed1i v\u1edbi khu v\u1ef1c ch\u00e2u \u00c2u v\u00e0 c\u00e1c v\u00f9ng qu\u1ed1c t\u1ebf kh\u00e1c. Kho\u1ea3ng c\u00e1ch an to\u00e0n t\u00ednh theo hai c\u00e1ch n\u00e0y kh\u00e1c bi\u1ec7t […]<\/p>\n","protected":false},"author":2,"featured_media":11967,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[10247],"tags":[],"class_list":["post-11966","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-phu-luc"],"_links":{"self":[{"href":"https:\/\/hunglong.banbientan.com\/index.php?rest_route=\/wp\/v2\/posts\/11966","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/hunglong.banbientan.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/hunglong.banbientan.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/hunglong.banbientan.com\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/hunglong.banbientan.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=11966"}],"version-history":[{"count":0,"href":"https:\/\/hunglong.banbientan.com\/index.php?rest_route=\/wp\/v2\/posts\/11966\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/hunglong.banbientan.com\/index.php?rest_route=\/"}],"wp:attachment":[{"href":"https:\/\/hunglong.banbientan.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=11966"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/hunglong.banbientan.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=11966"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/hunglong.banbientan.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=11966"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}