JP4200108B2 - トンネル照明装置 - Google Patents
トンネル照明装置 Download PDFInfo
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- JP4200108B2 JP4200108B2 JP2004004970A JP2004004970A JP4200108B2 JP 4200108 B2 JP4200108 B2 JP 4200108B2 JP 2004004970 A JP2004004970 A JP 2004004970A JP 2004004970 A JP2004004970 A JP 2004004970A JP 4200108 B2 JP4200108 B2 JP 4200108B2
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- tunnel
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- light
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- 238000005286 illumination Methods 0.000 claims description 33
- 230000004313 glare Effects 0.000 description 6
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- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
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- 229910052708 sodium Inorganic materials 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910001507 metal halide Inorganic materials 0.000 description 1
- 150000005309 metal halides Chemical class 0.000 description 1
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Description
(1)上述した実施の形態において、トンネル照明装置1の配光を、上記の実施の形態にて述べた配光形状に加え、さらに次のようにすることで、総合均斉度U0、車線軸均斉度ULおよびグレア(TI値)をいずれか或いは全てを良好な値とすることが可能である。
(2)また、上述した実施の形態において、トンネル照明装置1の配光を、上記実施の形態にて述べた配光形状に加え、さらに、トンネル照明装置1の背後の壁面に向かう光度と、隣接する2つのトンネル照明装置1の略中間に位置する壁面(トンネル照明装置1の設置側の壁面)での光度とを調整することで、トンネル照明装置1の点灯によって生じる壁面での明暗比を抑制することが可能となる。具体的には、トンネル照明装置1の装置背後の光度を「1」とした場合に、隣接する2つのトンネル照明装置1の略中間に位置する高さ1m(メートル)の壁面での光度を、装置背後の光度の1.0倍〜2.5倍とすることで、壁面での明暗変化をなだらかにし、明暗比を抑制することが可能となる。ここで、壁面における高さ1mの地点は、車両を運転するドライバの視線の高さと概ね一致する。従って、この高さ1mの壁面における明暗比(明暗のムラ)を抑制することで、ドライバ(運転者)に与える不快感を低減することが可能となる。
(3)また、上述した実施の形態において、トンネル照明装置1をトンネル内の両壁面の片側にのみ配置する片側配列について例示したが、これに限らず、千鳥配列や向き合わせ配列としても良い。
(4)また、上述した実施の形態において、トンネル2として3m幅の車線が2車線設けられた2車線道路について例示したが、当該トンネル照明装置1が設置されるトンネル2の寸法は、これに限らない。すなわち、トンネル2の寸法に変更がある場合には、トンネル照明装置1を壁面に取り付ける際の取付角度θを適宜調整すれば良い。
2 トンネル
10 照明装置本体
13 反射鏡
14 光源
O 装置中心
Claims (5)
- トンネル内の壁面に設置されるトンネル照明装置において、
装置中心からみた前記トンネルの横断方向を水平角0度とし、前記装置中心から直下方向を鉛直角0度とした場合に、前記トンネルの路面を前記水平角0度を中心に略対称に照明する配光であって前記鉛直角40度〜70度の範囲内に最大光度を有する光束が配置された配光の形状を有することを特徴とするトンネル照明装置。 - 水平角20度〜60度、かつ、鉛直角10度〜30度の範囲内の光度が100(cd/1000lm)〜300(cd/1000lm)である配光の形状を有する
ことを特徴とする請求項1に記載のトンネル照明装置。 - 水平角75度〜85度、かつ、鉛直角35度〜65度の範囲内の光度が150(cd/1000lm)以上である配光の形状を有する
ことを特徴とする請求項1または2に記載のトンネル照明装置。 - 水平角75度〜85度、かつ、鉛直角35度〜65度の範囲内の光度が450(cd/1000lm)以下である配光の形状を有する
ことを特徴とする請求項1乃至3のいずれかに記載のトンネル照明装置。 - 装置背後の光度を「1」とした場合に、隣接して配置される2つのトンネル照明装置1の略中間に位置する、高さ約1メートルの壁面での光度が、前記装置背後の光度の1.0倍〜2.5倍となる配光の形状を有する
ことを特徴とする請求項1乃至4のいずれかに記載のトンネル照明装置。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004004970A JP4200108B2 (ja) | 2004-01-13 | 2004-01-13 | トンネル照明装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004004970A JP4200108B2 (ja) | 2004-01-13 | 2004-01-13 | トンネル照明装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005203107A JP2005203107A (ja) | 2005-07-28 |
JP4200108B2 true JP4200108B2 (ja) | 2008-12-24 |
Family
ID=34819425
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004004970A Expired - Lifetime JP4200108B2 (ja) | 2004-01-13 | 2004-01-13 | トンネル照明装置 |
Country Status (1)
Country | Link |
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JP (1) | JP4200108B2 (ja) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100718056B1 (ko) | 2006-11-14 | 2007-05-14 | 주식회사 진우엔지니어링 | 도로 터널 내부의 조명시설 |
NL2002408C2 (nl) * | 2008-11-12 | 2010-05-17 | Ind Tech Verlichting B V | Van leds voorziene verlichtingsinrichting voor een tunnel. |
JP5453916B2 (ja) * | 2009-05-15 | 2014-03-26 | 岩崎電気株式会社 | トンネル照明器具 |
JP2011029030A (ja) * | 2009-07-27 | 2011-02-10 | Panasonic Electric Works Co Ltd | トンネル用照明装置 |
-
2004
- 2004-01-13 JP JP2004004970A patent/JP4200108B2/ja not_active Expired - Lifetime
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JP2005203107A (ja) | 2005-07-28 |
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