Ese agace kose k'urumuri gafite UGR?

Igipimo cyitwa UGR, cyangwa Unified Glare Rating, gikoreshwa mu gusuzuma uburyo urumuri rudashimishije ruturuka ku isoko y'urumuri. Kubera ko UGR ikunze kujyana n'amatara yemewe akoreshwa mu bucuruzi no mu rwego rw'umwuga aho kugenzura urumuri ari ingenzi, si utubuto twose tw'urumuri dufite iki gipimo.

Imirongo y'urumuri ntishobora kunyura mu buryo bumwe bwo kwemeza cyangwa gupima nk'ibikoresho bisanzwe byo kumurika, cyane cyane iyo bigenewe kumurika mu kirere cyangwa mu mitako. Ariko, abakora bashobora gutanga amanota ya UGR cyangwa ibisobanuro birambuye ku micungire y'urumuri niba umurongo w'urumuri ugenewe gukoreshwa ahantu hashobora kuba ikibazo cy'urumuri.

Ni byiza gusuzuma ibipimo by'ibicuruzwa cyangwa kuvugana n'uwabikoze niba ushaka agace k'urumuri gafite amanota ya UGR.

Kubera ko UGR ari umubare ugenwa n'ibipimo byihariye, gupima Unified Glare Rating (UGR) y'urumuri rwa LED akenshi bikubiyemo gukurikiza inzira yashyizweho. Incamake y'uburyo bukenewe kugira ngo upime UGR iratangwa hano hepfo:

Gushyiraho ibidukikije:
Kora ikizamini ahantu hagenzurwa, nk'icyumba gifite igishushanyo mbonera cyagenwe mbere y'igihe n'uburyo bwo kugitunganya. Andi matara ashobora guhindura amakuru ntagomba kuba ari mu cyumba.
Ibikoresho byo gupima:
Kugira ngo umenye uburyo urumuri n'ubuso bukikije bifite urumuri rwinshi, koresha icyuma gipima urumuri. Menya neza ko icyuma gipima urumuri gihuye n'urugero rw'urumuri ugomba gupima.
Shyiraho Ingingo zo Gupima:
Menya aho ibipimo biherereye. Ahantu ureba (muri rusange urwego rw'amaso) n'aho amasoko y'urumuri (amatara ya LED) aherereye akenshi ni byo biri muri ibi.
Kubara urumuri:
Ukurikije uko umuntu abibona, pima urumuri rwa LED mu mfuruka zitandukanye. Ibi bikubiyemo gupima urumuri mu mfuruka zigaragaza urumuri rushoboka ndetse n'uruturuka ku isoko y'urumuri.

Kubara UGR:
Koresha formula ya UGR, ireba agaciro k'urumuri kapimwe, inguni z'amasoko y'urumuri ugereranije n'ureba, hamwe n'urumuri rw'inyuma. Formula ni iyi ikurikira:
[
UGR = 8 \cdot \log_{10} \ibumoso( \frac{0.25 \cdot \sum_{i=1}^{n} L_i \cdot \Omega_i}{L_b} \iburyo)
]

Aho:

(L_i) = urumuri rw'isoko y'urumuri (muri buji kuri metero kare)
( \Omega_i ) = inguni ikomeye y'isoko ry'urumuri (muri steradians)
(L_b) = urumuri rw'inyuma (muri buji kuri metero kare)

Sesengura ibyavuye mu bushakashatsi:
Mu bihe byinshi, agaciro ka UGR kari munsi ya 16 gafatwa nk'akemerwa, ariko agaciro karenze 19 gashobora kugaragaza ko ari akataraboneka cyane.
Inyandiko:
Kugira ngo ubone ibyo ukeneye mu gihe kizaza cyangwa ukurikije amategeko, andika ibipimo byose, imibare, n'ibizamini byose.
Kuvugana n'inzobere mu by'amatara cyangwa ikigo cyibanda ku gushushanya no gupima amatara bishobora kugufasha niba utazi uburyo bwo gupima cyangwa udafite ibikoresho bikenewe.

Dufite agace gashya gashobora kurwanya irangi, ndakwinginzeTwandikireniba ushaka kumenya byinshi kuriagace ka neon garwanya imirabyo.

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