JP2008135381A - Outdoor lighting fixture and lightting method - Google Patents

Outdoor lighting fixture and lightting method Download PDF

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JP2008135381A
JP2008135381A JP2007277957A JP2007277957A JP2008135381A JP 2008135381 A JP2008135381 A JP 2008135381A JP 2007277957 A JP2007277957 A JP 2007277957A JP 2007277957 A JP2007277957 A JP 2007277957A JP 2008135381 A JP2008135381 A JP 2008135381A
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light
lamp body
outdoor lighting
blue
illumination
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JP4210707B2 (en
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Kyozo Watabe
恭三 渡部
Hiroshi Okada
博志 岡田
Shinji Taira
伸二 平
Kimiaki Nagatome
君明 永留
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Hiroshima Kasei Ltd
Osaka Prefecture
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Hiroshima Kasei Ltd
Osaka Prefecture
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S8/00—Lighting devices intended for fixed installation
    • F21S8/08—Lighting devices intended for fixed installation with a standard
    • F21S8/085—Lighting devices intended for fixed installation with a standard of high-built type, e.g. street light
    • F21S8/086—Lighting devices intended for fixed installation with a standard of high-built type, e.g. street light with lighting device attached sideways of the standard, e.g. for roads and highways
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
    • Y02B20/72—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps in street lighting

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Abstract

<P>PROBLEM TO BE SOLVED: To provide an outdoor lighting fixture and lighting method using LEDs as light sources to reduce a load to the environment and exhibiting a crime deterrent effect to contribute to environmental design for safe and ease urban development. <P>SOLUTION: A security light 1 capable of simultaneously irradiating at least two or more colors of irradiation light is provided with a lighting unit body 11 arranged with a plurality of white LEDs 16 and blue LEDs 18 as the light sources, and positioned by a predetermined distance D above the ground surface G, a first illuminating part 13 for emitting white illumination light downward in a direction substantially vertical from the lighting unit body 11, and a second illuminating part 14 for emitting blue illumination light outward in a direction substantially vertical from the lighting unit body 11. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

本発明は、屋外用照明器具及び照明方法に関し、より詳細には、街路灯や防犯灯などに用いられ、少なくとも２色以上の照射光を同時に照射可能な屋外用照明器具及び照明方法の技術に関する。   The present invention relates to an outdoor lighting fixture and a lighting method, and more particularly to a technology of an outdoor lighting fixture and a lighting method that can be used for street lights, security lights, and the like and can simultaneously emit at least two colors of irradiation light. .

市街地の道路・交差点・駐車場・公園などには、街路灯や防犯灯などの屋外用照明器具が配置されている。従来、屋外用照明器具の光源としては、白熱電球や水銀灯や蛍光灯などが用いられてきたが、近年では、白熱電球等に替わる光源としてＬＥＤ（Ｌｉｇｈｔ Ｅｍｉｔｔｉｎｇ Ｄｉｏｄｏ）を用いた照明器具が提案されている。   Outdoor lighting fixtures such as street lights and security lights are placed on streets, intersections, parking lots and parks in urban areas. Conventionally, incandescent bulbs, mercury lamps, fluorescent lamps, and the like have been used as light sources for outdoor lighting fixtures, but in recent years, lighting fixtures using LEDs (Light Emitting Diodes) as light sources to replace incandescent bulbs have been proposed. ing.

一例として、特許文献１には、光源に白色ＬＥＤを用いた照明器具であって、グローブの発光面部を凹凸状かつ湾曲状に形成することで、ＬＥＤより照射された光の照射領域を拡大させることを目的とした照明器具が開示されている（特許文献１参照）。
また、特許文献２には、広角用ＬＥＤ照射器、中角用ＬＥＤ照射器、及び狭角用ＬＥＤ照射器を備え、各照射器から歩道の幅方向に対して異なる領域に光を照射するようにした照明器具が開示されている（特許文献２参照）。 As an example, Patent Document 1 discloses a lighting apparatus using a white LED as a light source, and the light emitting surface portion of a globe is formed in an uneven shape and a curved shape, thereby expanding an irradiation region of light irradiated from the LED. The lighting fixture for the purpose is disclosed (refer patent document 1).
Patent Document 2 includes a wide-angle LED irradiator, a medium-angle LED irradiator, and a narrow-angle LED irradiator, and irradiates light from different illuminators to different areas in the width direction of the sidewalk. A lighting fixture is disclosed (see Patent Document 2).

このように光源としてＬＥＤを用いた照明器具は、消費電力を抑制でき、光源発熱量の低減による温暖化防止といった環境負荷の軽減化を達成することができることから、環境に配慮した事業活動を行う上で効果的であり、また、光源の耐久性や発色のバリエーションが多様であることからも注目されているところである。   As described above, lighting fixtures using LEDs as light sources can reduce power consumption and reduce environmental burdens such as prevention of global warming by reducing the amount of heat generated from the light sources. It is effective in the above, and is also attracting attention because of variations in durability and color development of the light source.

ところで、近年、安全・安心な街づくりのための環境設計が見直されており、中でも、屋外用照明器具に関して、地域内の屋外用照明器具（特に、防犯灯）を「青色」に組替えることで、当該地域での犯罪抑止（若しくは防止）を図ることを目的とした取り組みが注目されている。
「青色」に発光する防犯灯を地域内に配置することで、犯罪抑止が期待できる理由としては、（１）元来、青色には、人間の副交感神経に作用することによる鎮静効果と、普遍的嗜好性から心理的に冷静にさせる効果があること、（２）青色は、赤色やオレンジ色に比べて「プルキンエ効果」により夜間の視認性が向上するため、犯罪者等において「人目を避けたい」とする心理が働くこと等が考えられている。
そして、すでに、幾つかの地域においては、実証実験が試みられており、その結果興味深い結果も報告されてきている。 By the way, in recent years, environmental design for safe and secure city planning has been reviewed. Especially, regarding outdoor lighting fixtures, the outdoor lighting fixtures in the area (especially security lights) should be changed to “blue”. Thus, efforts aimed at deterring (or preventing) crime in the area are drawing attention.
The reason why crime prevention can be expected by placing a security light that emits “blue” in the area is as follows: (1) Originally, blue is a sedative effect by acting on human parasympathetic nerves, and universal (2) The blue color improves the visibility at night by the “Purkinje effect” compared to red and orange colors. It is thought that the psychology that "I want" works.
And in some areas, demonstration experiments have already been attempted, and as a result, interesting results have been reported.

しかしながら、従来の屋外用照明器具の構成では、単に照射光を「青色」に変更したとしても、灯具本体からの照射光が青色の単一色であれば、アスファルト等の歩道面が通常暗い色合いであることから、色調のコントラストが不均衡となって、反って、歩行者や走行車両にとって屋外用照明器具の略直下位置での円滑な交通が妨げられてしまうといった課題があった。
また、従来の屋外用照明器具の構成に青色ＬＥＤを組み付けた場合には、ＬＥＤ独特の指向性により、照射される方向によっては色むらが生じ易く、遠方の歩行者や走行車両から青色の照射光を視認しにくいため、期待されるような犯罪抑止の効果が低減されてしまうといった課題があった。 However, in the configuration of a conventional outdoor lighting fixture, even if the irradiation light is simply changed to “blue”, if the irradiation light from the lamp body is a single color of blue, the sidewalk surface such as asphalt is usually dark. For this reason, there is a problem in that the contrast of the color tone becomes unbalanced and, on the other hand, pedestrians and traveling vehicles are obstructed from smooth traffic at a position almost directly below the outdoor lighting fixture.
In addition, when a blue LED is assembled in the structure of a conventional outdoor lighting fixture, color unevenness is likely to occur depending on the direction of irradiation due to the unique directivity of the LED, and blue light is emitted from a distant pedestrian or traveling vehicle. Since it is difficult to visually recognize light, there has been a problem that the expected crime prevention effect is reduced.

なお、屋外用照明器具において、遠方の走行車両や歩行者から照射光の視認性を向上させるという観点から、例えば、特許文献３及び特許文献４のような構成が提案されている（特許文献３及び特許文献４参照）。
特許第３４９８２９０号公報 特開２００４−１１６１７７号公報 特開平１１−１１１０１９号公報 特開２００３−２０３５０６号公報 For example, Patent Document 3 and Patent Document 4 have been proposed in outdoor lighting fixtures from the viewpoint of improving the visibility of irradiation light from distant traveling vehicles and pedestrians (Patent Document 3). And Patent Document 4).
Japanese Patent No. 3498290 JP 2004-116177 A JP 11-1111019 A JP 2003-203506 A

そこで、本発明においては、屋外用照明器具及び照明方法に関し、前記従来の課題を解決するもので、光源としてＬＥＤを用いることで環境負荷の軽減を図るとともに、犯罪抑止力を効果的に発揮して、安全・安心な街づくりのための環境設計に寄与できる屋外用照明器具及び照明方法を提供することを目的とするものである。   Therefore, the present invention relates to an outdoor lighting apparatus and lighting method, which solves the above-described conventional problems, and uses an LED as a light source to reduce the environmental burden and effectively exert crime deterrent power. The purpose of the present invention is to provide outdoor lighting equipment and lighting methods that can contribute to environmental design for safe and secure city planning.

本発明の解決しようとする課題は以上の如くであり、次にこの課題を解決するための手段を説明する。   The problems to be solved by the present invention are as described above. Next, means for solving the problems will be described.

すなわち、請求項１においては、少なくとも２色以上の照射光を同時に照射可能な屋外用照明器具であって、光源として複数のＬＥＤが配設され、地表面から所定距離だけ上方に位置される灯具本体と、前記灯具本体の略垂直下方位置を白色に発光させるとともに、前記灯具本体及び／又はその近傍位置を青色に発光させる照明部を備えてなるものである。   That is, in Claim 1, it is the outdoor illuminating device which can irradiate irradiation light of at least 2 colors or more simultaneously, Comprising: A some LED is arrange | positioned as a light source, and it is located only a predetermined distance from the ground surface. The main body and an illumination unit that emits white light at a substantially vertical lower position of the lamp main body and emits blue light at the lamp main body and / or the vicinity thereof.

すなわち、請求項２においては、前記照明部は、前記灯具本体の略垂直下方に向けて白色系の照射光を照射する第一照明部と、前記灯具本体の略垂直下方よりも外側に向けて青色系の照射光を照射する第二照明部とを備えてなるものである。   That is, in claim 2, the illuminating unit is directed to the outside of the first illuminating unit that irradiates white-type irradiation light toward a substantially vertical lower side of the lamp body, and a substantially vertical lower side of the lamp body. And a second illumination unit that emits blue light.

請求項３においては、前記第一照明部には、光源として白色ＬＥＤが配設されるものである。   In Claim 3, white LED is arrange | positioned as a light source in said 1st illumination part.

請求項４においては、前記第二照明部には、光源として青色ＬＥＤが配設されるものである。   In Claim 4, blue LED is arrange | positioned as a light source in said 2nd illumination part.

請求項５においては、前記第二照明部は、前記第一照明部の外周縁部に沿って連設されるものである。   In Claim 5, said 2nd illumination part is provided along the outer periphery part of said 1st illumination part.

請求項６においては、前記第二照明部は、前記第一照明部の対向する一対の縁部にそれぞれ連設されるものである。   According to a sixth aspect of the present invention, the second illuminating unit is connected to a pair of opposed edge portions of the first illuminating unit.

請求項７においては、前記灯具本体は、前記支柱部に直付けして固定されるものである。   According to a seventh aspect of the present invention, the lamp body is fixed directly to the support column.

請求項８においては、前記灯具本体は、前記支柱部に地表面との相対角度を可変調節可能な連結基部を介して取り付けられるものである。   According to an eighth aspect of the present invention, the lamp body is attached to the support column through a connection base that can variably adjust the relative angle with the ground surface.

請求項９においては、前記灯具本体は、一の支柱部に対して地表面からの所定距離が異なるように複数配置されるものである。   In Claim 9, the said lamp | ramp main body is arrange | positioned so that the predetermined distance from the ground surface may differ with respect to one support | pillar part.

請求項１０においては、前記光源に電力を供給する太陽電池を用いた自動蓄電手段を備えてなるものである。   According to a tenth aspect of the present invention, automatic power storage means using a solar cell for supplying electric power to the light source is provided.

請求項１１においては、少なくとも２色以上の照射光を同時に照射する照明方法であって、光源として複数のＬＥＤが配設され、地表面から所定距離だけ上方に位置される灯具本体に設けられた照射部によって、前記灯具本体の略垂直下方位置を白色に発光させるとともに、前記灯具本体及び／又はその近傍位置を青色に発光させるものである。   In Claim 11, it is the illumination method which irradiates at least 2 colors or more of irradiation light simultaneously, Comprising: Several LED was arrange | positioned as a light source, and it was provided in the lamp main body located only the predetermined distance from the ground surface. The irradiating unit emits light in a substantially vertical lower position of the lamp main body in white, and emits light in blue in the lamp main body and / or its vicinity.

本発明では、光源としてＬＥＤが用いられることで、消費電力を抑制でき、光源発熱量の低減による温暖化防止といった環境負荷の軽減化を達成することができる。
また、灯具本体及び／又はその近傍位置が遠方からは「青色」に視認されることで犯罪抑止の効果が期待できるとともに、灯具本体の略垂直下方が白色に明るく照らされることで灯具本体の下方を通過する歩行者や走行車両の円滑な通行が妨げられることがない。
そして、当該地域にこのような「青色」の照明器具を複数箇所に配置することで、安全・安心な街づくりのための環境設計に寄与することができる。 In the present invention, since an LED is used as a light source, power consumption can be suppressed, and reduction of the environmental load such as prevention of global warming by reducing the amount of heat generated from the light source can be achieved.
In addition, the lamp body and / or the position near the lamp body can be visually recognized as “blue” from a distance, and the effect of deterring crime can be expected. The substantially vertical lower part of the lamp body is brightly illuminated in white so that the lower part of the lamp body is lower. Smooth passage of pedestrians and traveling vehicles passing through the road is not hindered.
And by arranging such “blue” lighting fixtures in a plurality of locations in the area, it is possible to contribute to environmental design for safe and secure city planning.

次に、発明を実施するための最良の形態を説明する。
図１は本発明の一実施例に係る防犯灯の全体的な構成を示した側面図、図２は灯具本体の斜視図、図３は灯具本体の側面図、図４は灯具本体の下方平面図、図５は同じく図４の灯具本体の下方平面図、図６は灯具本体から照射される照射光の水平面照度分布図、図７は灯具本体から照射される照射光の光分布のイメージ図、図８は別実施例に係る防犯灯の灯具本体の側面図、図９は同じく図８の灯具本体の側面図、図１０は図８の灯具本体の正面断面図、図１１は別実施例に係る歩車一体型の街路灯の全体的な構成を示した側面図、図１２は太陽光発電システムを備えた図１の防犯灯の全体的な構成を示した側面図である。
なお、以下の実施例では、本実施例の屋外照明器具を防犯灯１として用いた場合について主に説明するが、実施例としてはこれに限定されず、その他の実施例の詳細については後述する（図８乃至図１２参照）。 Next, the best mode for carrying out the invention will be described.
1 is a side view showing the overall structure of a security light according to an embodiment of the present invention, FIG. 2 is a perspective view of the lamp body, FIG. 3 is a side view of the lamp body, and FIG. 4 is a lower plan view of the lamp body. FIG. 5 is a lower plan view of the lamp main body of FIG. 4, FIG. 6 is a horizontal plane illuminance distribution diagram of irradiation light irradiated from the lamp main body, and FIG. 7 is an image diagram of light distribution of irradiation light irradiated from the lamp main body. 8 is a side view of a lamp body of a security light according to another embodiment, FIG. 9 is a side view of the lamp body of FIG. 8, FIG. 10 is a front sectional view of the lamp body of FIG. 8, and FIG. FIG. 12 is a side view showing the overall configuration of the crime prevention light of FIG. 1 equipped with a solar power generation system.
In addition, although the following example mainly demonstrates the case where the outdoor lighting fixture of a present Example is used as the crime prevention light 1, as an Example, it is not limited to this, The detail of another Example is mentioned later. (See FIGS. 8 to 12).

まず、本実施例の屋外用照明器具の全体構成について、以下に説明する。
図１及び図２に示すように、本実施例の屋外用照明器具は、防犯灯１として構成されており、光源として複数のＬＥＤ１６・１８が配設され、地表面から所定距離Ｄだけ上方に位置される灯具本体１１と、灯具本体１１の略垂直下方位置を白色に発光させるとともに、灯具本体１１及び／又はその近傍位置を青色に発光させる照明部１３・１４を備えてなり、地表面Ｇに対して垂直に立設された支柱部１０に灯具本体１１が固定された状態で設置される。
なお、以下、図３において矢印Ｘ方向を灯具本体１１の前後方向、図４及び図５において矢印Ｙ方向を灯具本体１１の左右方向とする。 First, the whole structure of the outdoor lighting fixture of a present Example is demonstrated below.
As shown in FIG.1 and FIG.2, the outdoor lighting fixture of a present Example is comprised as the security light 1, and several LED16 * 18 is arrange | positioned as a light source, and only the predetermined distance D is upwards from the ground surface. The lamp main body 11 is positioned, and the lighting unit 13 and 14 that emit light in white at a substantially vertical lower position of the lamp main body 11 and emit light in blue at the lamp main body 11 and / or its vicinity is provided. The lamp body 11 is installed in a state where the lamp body 11 is fixed to the support column 10 erected vertically.
In the following, the arrow X direction in FIG. 3 is the front-rear direction of the lamp body 11, and the arrow Y direction in FIGS. 4 and 5 is the left-right direction of the lamp body 11.

支柱部１０は、ステンレス鋼製の直立形の柱であって、最上端に灯具本体１１が取り付けられている。本実施例では、この支柱部１０は、防犯灯支柱として用いられ、車道や歩道における路肩近傍位置に、灯具本体１１を突出させた姿勢で立設されている。   The column 10 is an upright column made of stainless steel, and a lamp body 11 is attached to the uppermost end. In this embodiment, the support column 10 is used as a security light support column, and is erected in a posture in which the lamp main body 11 protrudes at a position near a road shoulder on a roadway or a sidewalk.

灯具本体１１は、アルミダイキャスト（若しくはステンレス鋼製）より形成され、上部本体１１ａと下部本体１１ｂとが一体として組み付けられている。上部本体１１ａは、平面視略楕円形であって上方に凸となるように略ドーム形状に形成されて、前後方向の一端が連結基部１２を介して支柱部１０と連結されている。下部本体１１ｂは、上部本体１１ａの下面及び下方側面を覆うようにして取り付けられており、平面視略楕円形状の開口部１１ｃが形成されている。   The lamp body 11 is formed by aluminum die casting (or stainless steel), and the upper body 11a and the lower body 11b are assembled together. The upper main body 11 a is substantially elliptical in plan view, is formed in a substantially dome shape so as to protrude upward, and one end in the front-rear direction is connected to the support column 10 via the connection base 12. The lower main body 11b is attached so as to cover the lower surface and the lower side surface of the upper main body 11a, and an opening 11c having a substantially elliptical shape in plan view is formed.

上部本体１１ａと下部本体１１ｂの内部中空には、二つの照明部１３・１４が設けられており（図３等参照）、各照明部１３・１４から開口部１１ｃを介して照射光が下方に向けて照射される。また、開口部１１ｃには、下側から照明部１３・１４を覆うようにしてグローブ１５（透光性カバー）が取り付けられ、照明部１３・１４からの照射光が透過される。グローブ１５は、無色透明のアクリル樹脂等により形成され、開口部１１ｃに対して着脱可能に取り付けられる。   Two illumination parts 13 and 14 are provided in the hollow inside of the upper main body 11a and the lower main body 11b (see FIG. 3 and the like), and irradiation light is directed downward from each illumination part 13 and 14 through the opening 11c. Irradiated toward. In addition, a globe 15 (translucent cover) is attached to the opening 11c so as to cover the illumination units 13 and 14 from below, and the irradiation light from the illumination units 13 and 14 is transmitted therethrough. The globe 15 is formed of a colorless and transparent acrylic resin or the like and is detachably attached to the opening 11c.

灯具本体１１は、開口部１１ｃを下向きにして支柱部１０の最上端に連結基部１２を介して固定されており、詳細には、連結基部１２を中心に前後方向軸をやや上方に向けた姿勢で固定されている。かかる状態で、灯具本体１１は、地表面Ｇから所定距離Ｄだけ離間するように位置されている。なお、所定距離Ｄは、設置場所や、照明部１３・１４の照度及び輝度等に応じて適宜設定される。本実施例の防犯灯１は、灯具本体１１が地表面Ｇから垂直上方に３ｍ〜８ｍ上方に位置される。   The lamp body 11 is fixed to the uppermost end of the support column 10 via the connection base 12 with the opening 11c facing downward, and more specifically, with the connection base 12 as a center, the front-rear axis is oriented slightly upward It is fixed with. In this state, the lamp body 11 is positioned so as to be separated from the ground surface G by a predetermined distance D. The predetermined distance D is appropriately set according to the installation location, the illuminance and luminance of the illumination units 13 and 14, and the like. In the crime prevention light 1 of the present embodiment, the lamp body 11 is positioned 3m to 8m above the ground surface G vertically upward.

照明部１３・１４は、灯具本体１１の略垂直下方に向けて白色系の照射光を照射する第一照明部１３と、灯具本体１１の略垂直下方よりも外側に向けて青色系の照射光を照射する第二照明部１４とで構成されている。このように、本実施例の防犯灯１は、白色系の照射光を照射する第一照明部１３と青色系の照射光を照射する第二照明部１４とが設けられることで、各照射部１３・１４から白色系と青色系の２色の照射光を同時に照射可能とされている（図１参照）。   The illuminating units 13 and 14 are a first illuminating unit 13 that irradiates white-type irradiation light toward a substantially vertical lower side of the lamp body 11, and a blue-type irradiation light that is directed outward from a substantially vertical lower side of the lamp body 11. It is comprised with the 2nd illumination part 14 which irradiates. As described above, the security light 1 of the present embodiment is provided with the first illumination unit 13 that irradiates the white illumination light and the second illumination unit 14 that irradiates the blue illumination light. 13 and 14 can simultaneously irradiate white and blue light beams (see FIG. 1).

なお、ここでいう「白色系」とは純白色から淡灰色までの色調を含む色のことをいい、また、「青色系」とは純色の青色の他に、藍色や青紫色等を含む色のことをいう。   The term “white” as used herein refers to a color including a color tone from pure white to light gray, and “blue” includes indigo or blue-purple in addition to pure blue. It means color.

図３乃至図５に示すように、第一照明部１３は、上部本体１１ａ及び下部本体１１ｂとで形成される内部空間の略中央部に設けられ、横断面形状に対応した板面状の照射部として構成されている。具体的には、第一照明部１３は、光源としての複数の白色ＬＥＤ１６・１６・・・と、各白色ＬＥＤ１６を固定するＬＥＤ基板１７等とで構成されている。   As shown in FIGS. 3 to 5, the first illumination unit 13 is provided in a substantially central portion of the internal space formed by the upper body 11a and the lower body 11b, and has a plate-like irradiation corresponding to the cross-sectional shape. It is configured as a part. Specifically, the 1st illumination part 13 is comprised by several white LED16 * 16 ... as a light source, LED board 17 etc. which fix each white LED16.

白色ＬＥＤ１６は、砲弾形状に形成されており、ＬＥＤ基板１７から突出するようにして、同一平面上に所定のピッチとなるように、略等間隔に、千鳥格子状若しくは碁盤升目状等の行列に配設されている。
ＬＥＤ基板１７は、長板状に形成された周知の配線基板であって、白色ＬＥＤ１６の接続端子と電気的に接続される取付孔（図略）が所定の配列で設けられている。白色ＬＥＤ１６は、ＬＥＤ基板１７の所定位置の取付孔にはんだ等によって装着される。
本実施例の第一照明部１３は、白色ＬＥＤ１６・１６・・・が長板状のＬＥＤ基板１７の前後方向に沿って一列に略等間隔で装着され、このＬＥＤ基板１７・１７・・・が灯具本体１１の左右方向に沿って略等間隔に配設されている。 The white LEDs 16 are formed in a cannonball shape, and protrude from the LED substrate 17 so as to have a predetermined pitch on the same plane, and in a matrix such as a houndstooth check pattern or a grid pattern. It is arranged.
The LED board 17 is a well-known wiring board formed in a long plate shape, and mounting holes (not shown) that are electrically connected to the connection terminals of the white LED 16 are provided in a predetermined arrangement. The white LED 16 is mounted in a mounting hole at a predetermined position of the LED substrate 17 by solder or the like.
In the first illuminating unit 13 of the present embodiment, white LEDs 16, 16... Are mounted in a line along the front-rear direction of the long plate-like LED substrate 17 at substantially equal intervals, and the LED substrates 17, 17. Are arranged at substantially equal intervals along the left-right direction of the lamp body 11.

第二照明部１４は、上述した第一照明部１３の外周縁部に沿って第一照明部１３を囲むようにして連設されており、横断面形状に対応した板面状の照射部として形成されている。具体的には、第二照明部１４は、光源としての複数の青色ＬＥＤ１８・１８・・・と、各青色ＬＥＤ１８を固定し第一照明部１３と共用されるＬＥＤ基板１７等とで構成されている。   The 2nd illumination part 14 is continuously provided so that the 1st illumination part 13 may be enclosed along the outer periphery part of the 1st illumination part 13 mentioned above, and it is formed as a plate-shaped irradiation part corresponding to a cross-sectional shape. ing. Specifically, the second illumination unit 14 includes a plurality of blue LEDs 18, 18... As a light source, and an LED substrate 17 that fixes each blue LED 18 and is shared with the first illumination unit 13. Yes.

青色ＬＥＤ１８は、砲弾形状に形成されており、ＬＥＤ基板１７に突出するようにして、同一平面上に所定のピッチとなるように、略等間隔に、千鳥格子状若しくは碁盤升目状等の行列に配設されている。特に、本実施例の青色ＬＥＤ１８は、灯具本体１１の左右方向の両側に配置されるＬＥＤ基板１７（の取付孔）に一列に略等間隔で装着されるとともに、開口部１１ｃの中央に配置されるＬＥＤ基板１７の前後両端（の取付孔）にも装着されている。   The blue LEDs 18 are formed in a cannonball shape, and are arranged in a staggered or grid pattern so as to protrude from the LED substrate 17 and have a predetermined pitch on the same plane. It is arranged. In particular, the blue LEDs 18 of the present embodiment are mounted in a row at substantially equal intervals on the LED boards 17 (attachment holes) disposed on both sides of the lamp body 11 in the left-right direction, and are disposed at the center of the opening 11c. It is also attached to both front and rear ends (attachment holes) of the LED substrate 17.

このように本実施例の灯具本体１１では、開口部１１ｃの略中心部に、第一照明部１３の白色ＬＥＤ１６・１６・・・が配置され、第二照明部１４の青色ＬＥＤ１８・１８・・・が第一照明部１３（白色ＬＥＤ１６・１６・・・）の周囲を囲むようにして配置されている。
なお、白色ＬＥＤ１６及び青色ＬＥＤ１８には、図示せぬＬＥＤ用の電源装置によってＬＥＤ基板１７を介して電力が供給される。 As described above, in the lamp body 11 of the present embodiment, the white LEDs 16, 16... Of the first illumination unit 13 are disposed substantially at the center of the opening 11 c, and the blue LEDs 18, 18. Is arranged so as to surround the first illumination unit 13 (white LEDs 16, 16...).
Note that power is supplied to the white LED 16 and the blue LED 18 via the LED substrate 17 by an LED power supply device (not shown).

白色ＬＥＤ１６としては、超高光度（１０．００〜３５．００ｃｄ、２５℃、２０ｍＡ）で発光特性に優れたＬＥＤが好ましく用いられる。一方で、青色ＬＥＤ１８としては、汎用のＬＥＤを用いれば足りる。すなわち、後述するように、第一照明部１３における白色ＬＥＤ１６は、主に歩行者や走行車両用に地表面Ｇを照らす道路照明としての光源であるため、超高光度のＬＥＤを用いることで、地表面Ｇからの所定距離Ｄが大きくなっても地表面Ｇでの充分な明るさ照度を確保することができる。一方で、第二照明部１４における青色ＬＥＤ１８は、主に犯罪抑止用に灯具本体１１の近傍位置を照らす照明としての光源であるため、汎用のＬＥＤであっても、十分に灯具本体１１の近傍を「青色」に照らし出すことができる。   As the white LED 16, an LED having an extremely high luminous intensity (10.00 to 35.00 cd, 25 ° C., 20 mA) and excellent emission characteristics is preferably used. On the other hand, it is sufficient to use a general-purpose LED as the blue LED 18. That is, as will be described later, the white LED 16 in the first illumination unit 13 is a light source as a road illumination that illuminates the ground surface G mainly for pedestrians and traveling vehicles. Even if the predetermined distance D from the ground surface G increases, sufficient brightness and illuminance on the ground surface G can be ensured. On the other hand, the blue LED 18 in the second illumination unit 14 is a light source that illuminates the vicinity of the lamp body 11 mainly for crime prevention, so even a general-purpose LED is sufficiently close to the lamp body 11. Can be illuminated in “blue”.

本実施例の防犯灯１は、水平面での平均照度が、設置場所や地表面Ｇからの所定距離Ｄ等によって、３〜５０ｌｘの範囲内となるように調整されている。一例として、交通量の多い道路に設置された場合には少なくとも灯具直下が３０ｌｘ以上となるように、交通量の少ない道路に設置された場合には３〜１０ｌｘとなるように調整される。また、一般商店街や市街地では約５〜４０ｌｘ、住宅地では１〜１０ｌｘとなるように調整される。   The security light 1 of the present embodiment is adjusted so that the average illuminance on the horizontal plane is in the range of 3 to 50 lx depending on the installation location, the predetermined distance D from the ground surface G, and the like. As an example, it is adjusted so that it is at least 30 lx directly below the lamp when installed on a road with a large amount of traffic, and 3 to 10 lx when installed on a road with a small amount of traffic. Moreover, it adjusts so that it may become about 5-40 lx in a general shopping street or a city area, and 1-10 lx in a residential area.

図６は、灯具本体１１から照射される照射光の水平面照度分布図である。詳細には、図６（ａ）は、灯具本体１１を地表面Ｇから約７．０ｍ上方に位置させたときの照度分布図であり、図６（ｂ）は、灯具本体１１を地表面Ｇから約４．５ｍ上方に位置させたときの照度分布図である。   FIG. 6 is a horizontal plane illuminance distribution diagram of the irradiation light emitted from the lamp body 11. Specifically, FIG. 6A is an illuminance distribution diagram when the lamp body 11 is positioned approximately 7.0 m above the ground surface G, and FIG. It is an illuminance distribution figure when it is located about 4.5 m above.

特に、灯具本体１１を地表面Ｇから約７．０ｍ上方に位置させた防犯灯１には、第一照明部１３の光源として超高光度の白色ＬＥＤ１６が設けられる。その水平面照度分布は、略垂直下方では３０ｌｘの照度が確保されており、半径方向外側に遠ざかるにつれて１０ｌｘ、５ｌｘ、３ｌｘ、１ｌｘと減衰している（図６（ａ））。このようにかかる防犯灯１では、略垂直下方では３０ｌｘの照度が確保されつつ、灯具本体１１の前後方向（±１５ｍ）及び左右方向（±１５ｍ）の広範に渡って十分な照度が確保されるため、主に道路照明として交通量の多い道路の路肩近傍位置に設置することが可能である。
一方、灯具本体１１を地表面Ｇから約４．５ｍ上方に位置させた防犯灯では、その水平面照度分布は、略垂直下方では１０ｌｘの照度が確保されており、半径方向外側に遠ざかるにつれて５ｌｘ、３ｌｘ、１ｌｘと減衰している（図６（ａ））。そのため、かかる防犯灯１は、主に住宅地の歩道の路肩近傍位置に設置することが可能である。 In particular, the crime prevention light 1 in which the lamp main body 11 is positioned approximately 7.0 m above the ground surface G is provided with a white LED 16 having a super high luminous intensity as a light source of the first illumination unit 13. In the horizontal illuminance distribution, an illuminance of 30 lx is ensured substantially vertically downward, and attenuates to 10 lx, 5 lx, 3 lx, and 1 lx as the distance from the outside in the radial direction increases (FIG. 6A). Thus, in the security light 1, an illuminance of 30 lx is ensured substantially vertically below, and sufficient illuminance is ensured over a wide range in the front-rear direction (± 15 m) and the left-right direction (± 15 m) of the lamp body 11. Therefore, it can be installed near the shoulder of a road with a lot of traffic mainly as road lighting.
On the other hand, in the crime prevention light in which the lamp body 11 is positioned approximately 4.5 m above the ground surface G, the horizontal illuminance distribution has an illuminance of 10 lx in a substantially vertical downward direction, and 5 lx as the distance from the outer side in the radial direction increases. It is attenuated to 3 lx and 1 lx (FIG. 6A). Therefore, the security light 1 can be installed mainly at the position near the shoulder of a sidewalk in a residential area.

また、本実施例の防犯灯１では、第一照明部１３からは、灯具本体１１の略垂直下方の領域（以下、かかる領域を略垂直下方領域Ｔ１という。）に向けて白色系の照射光が照射され、第二照明部１４からは灯具本体１１の略垂直下方よりも外側、すなわち略垂直下方領域Ｔ１の外側の領域（以下、かかる領域を下方外側領域Ｔ２という。）に向けて青色系の照射光が照射される。具体的には、好ましくは、灯具本体１１が開口部１１ｃを下向きにして固定された状態で、白色ＬＥＤ１６が略垂直下方に向けられるとともに、青色ＬＥＤ１８が略垂直下方よりも外側に向けられるように構成される（後述する図８乃至図１０を参照）。   Moreover, in the crime prevention light 1 of the present embodiment, the white illumination light is directed from the first illumination unit 13 toward a substantially vertical lower region of the lamp body 11 (hereinafter, this region is referred to as a substantially vertical lower region T1). Is emitted from the second illuminating unit 14 toward the outside of the lamp body 11 from the substantially vertical lower side, that is, the area outside the substantially vertical lower area T1 (hereinafter, this area is referred to as the lower outer area T2). Is irradiated. Specifically, preferably, in a state where the lamp body 11 is fixed with the opening 11c facing downward, the white LED 16 is directed substantially vertically downward, and the blue LED 18 is directed outward more than substantially vertically downward. (See FIGS. 8 to 10 to be described later).

すなわち、本実施例では、第二照明部１４から灯具本体１１の略垂直下方よりも外側方向に向けて照射光が照射されればよいが、好ましくは、灯具本体１１の略垂直下方よりも外側方向であって、かつ灯具本体１１からの略垂直下方軸と第二照明部１４からの照射光の方向軸とのなす角θ（図略）が０°＜θ≦９０°となる方向に向けて照射される。例えば、本実施例のように、第一照明部１３と第二照明部１４とを同一平面状に連設させて、略垂直下方に向けて同一方向に揃えて照射光を照射させるような構成だけでなく、第二照明部１４を灯具本体１１（下部本体１１ｂ）の側面に向くようにして配設し、略水平方向に照射光を照射させるように構成してもよい。   That is, in the present embodiment, the irradiation light may be irradiated from the second illumination unit 14 toward the outer side of the lamp body 11 from the substantially vertical lower side. Direction θ and an angle θ (not shown) formed by the substantially vertical lower axis from the lamp body 11 and the direction axis of the irradiation light from the second illuminating unit 14 is directed toward 0 ° <θ ≦ 90 °. Is irradiated. For example, as in the present embodiment, the first illumination unit 13 and the second illumination unit 14 are connected in the same plane, and the irradiation light is irradiated in the same direction toward the substantially vertical downward direction. In addition, the second illumination unit 14 may be disposed so as to face the side surface of the lamp main body 11 (lower main body 11b), and may be configured to irradiate irradiation light in a substantially horizontal direction.

図７は、灯具本体１１から照射される照射光の光分布のイメージ図である。詳細には、図７（ａ）は、灯具本体１１の近傍位置の水平面Ａでの光分布のイメージ図であり、図７（ｂ）は、地表面Ｇの近傍位置の水平面Ｂでの光分布のイメージ図である。   FIG. 7 is an image diagram of the light distribution of the irradiation light emitted from the lamp body 11. Specifically, FIG. 7A is an image diagram of the light distribution on the horizontal plane A near the lamp body 11, and FIG. 7B is the light distribution on the horizontal plane B near the ground surface G. It is an image figure.

本実施例では、灯具本体１１の近傍位置においては、略垂直下方領域Ｔ１では第一照明部１３から照射された白色系の照射光により白色系の光分布となり、下方外側領域Ｔ２では第二照明部１４から照射された青色系の照射光により青色系の光分布となる（図７（ａ））。このような状態では、防犯灯１を遠方から目視すると、灯具本体１１及びその下方近傍位置が青色に発光しているように視認される。このように、第二照明部１４は、灯具本体１１及びその近傍位置を「青色」に照らす犯罪抑止用の照明部として作用する。   In the present embodiment, at a position in the vicinity of the lamp main body 11, a white light distribution is obtained by the white light emitted from the first illumination unit 13 in the substantially vertical lower region T1, and the second illumination is provided in the lower outer region T2. A blue light distribution is obtained by the blue light emitted from the portion 14 (FIG. 7A). In such a state, when the security light 1 is viewed from a distance, the lamp body 11 and its lower vicinity are visually recognized as emitting blue light. In this way, the second illumination unit 14 acts as a crime prevention illumination unit that illuminates the lamp body 11 and the vicinity thereof in “blue”.

一方、地表面Ｇの近傍位置では、略垂直下方領域Ｔ１が灯具本体１１の近傍位置と比べてその領域が外周方向に広がっており、主に白色系単一の光分布となる（図７（ｂ））。このような状態では、例えば、歩行者や走行車両が防犯灯１に徐々に近接して灯具本体１１の略垂直下方（略垂直下方領域Ｔ１）を通過する際には、略垂直下方の地表面Ｇ及びその周辺が白色系の照射光により白色に発光されている。このように、第一照明部１３は、主に歩行者や走行車両用に歩車道の地表面Ｇを照らす道路照明部として作用する。   On the other hand, in the vicinity of the ground surface G, the substantially vertical lower region T1 is wider in the outer peripheral direction compared to the vicinity of the lamp body 11, and mainly has a single white light distribution (FIG. 7 ( b)). In such a state, for example, when a pedestrian or a traveling vehicle gradually approaches the security light 1 and passes through a substantially vertical lower portion (substantially vertical lower region T1) of the lamp body 11, a substantially vertical lower ground surface. G and its surroundings are emitted in white by white illumination light. Thus, the 1st illumination part 13 acts as a road illumination part which illuminates the ground surface G of a walkway mainly for a pedestrian and a traveling vehicle.

以上のように、本実施例の防犯灯１は、同時に少なくとも２色以上の照射光を照射可能な屋外用照明器具であって、光源として複数の白色ＬＥＤ１６及び青色ＬＥＤ１８が配設され、地表面Ｇから所定距離Ｄだけ上方に位置される灯具本体１１と、灯具本体１１の略垂直下方位置を白色に発光させるとともに、灯具本体１１及びその近傍位置を青色に発光させる照明部を備えてなり、特に、前記灯具本体１１の略垂直下方に向けて白色系の照射光を照射する第一照明部１３と、前記灯具本体１１の略垂直下方よりも外側に向けて青色系の照射光を照射する第二照明部１４とを備えてなるものである。   As described above, the security light 1 according to the present embodiment is an outdoor lighting fixture capable of simultaneously irradiating at least two colors of irradiation light, and includes a plurality of white LEDs 16 and blue LEDs 18 as light sources, and the ground surface. A lamp body 11 positioned above G by a predetermined distance D, and a lighting section that emits white light at a substantially vertical lower position of the lamp body 11 and lightes the lamp body 11 and its vicinity in blue. In particular, the first illuminating unit 13 that irradiates white illumination light substantially vertically downward of the lamp main body 11 and the blue illumination light radiates outward from a substantially vertical lower side of the lamp main body 11. The second illumination unit 14 is provided.

そして、このような構成とすることで、環境負荷の軽減を図るとともに、犯罪抑止力を効果的に発揮して、安全・安心な街づくりのための環境設計に寄与できるのである。   And by setting it as such a structure, while aiming at reduction of an environmental load, it can contribute to the environmental design for safe and reliable town development by demonstrating a crime deterrent effectively.

すなわち、本実施例の防犯灯１は、光源として白色ＬＥＤ１６及び青色ＬＥＤ１８が用いられるため、消費電力を抑制でき、光源発熱量の低減による温暖化防止といった環境負荷の軽減化を達成することができる。具体的には、光源からの発熱量の低減による地球温暖化防止対策（例えば、ヒートアイランド問題の解決）や、消費電力の低減による省電力事業対策や、その波及効果としての二酸化炭素削減事業対策などに寄与することができ、環境に配慮した事業活動を行う上で、本実施例の防犯灯１を用いることが効果的である。   That is, since the security light 1 of the present embodiment uses the white LED 16 and the blue LED 18 as the light source, the power consumption can be suppressed, and the reduction of the environmental load such as the prevention of global warming by the reduction of the light source calorific value can be achieved. . Specifically, measures to prevent global warming by reducing the amount of heat generated from the light source (for example, solving the heat island problem), energy-saving business measures by reducing power consumption, and carbon dioxide reduction business measures as a ripple effect It is effective to use the security light 1 of the present embodiment when conducting business activities in consideration of the environment.

特に、本実施例の防犯灯１のように光源としてＬＥＤを用いることによって、従来の蛍光ランプ等が用いられる防犯灯と比較して、その消費電力を１０％〜１５％に抑えることができるとともに、長寿命化によるメンテナンスコストも大幅に低減できる。したがって、本実施例の防犯灯１を従来の防犯灯に替えて設置した場合には、数年後には組替え費用を消費電力コストの低減で賄うこともできるのである。
さらに、光源にＬＥＤを用いることで、灯具本体１１に虫が寄り難くなるため、灯具本体１１や光源（白色ＬＥＤ１６及び青色ＬＥＤ１８）のメンテナンスコストも軽減できる。 In particular, by using an LED as a light source as in the security light 1 of the present embodiment, the power consumption can be suppressed to 10% to 15% compared to a security light using a conventional fluorescent lamp or the like. The maintenance cost due to the extended service life can be greatly reduced. Therefore, when the security light 1 of the present embodiment is installed in place of the conventional security light, the recombination cost can be covered by reducing the power consumption cost after several years.
Furthermore, by using the LED as the light source, it is difficult for insects to come close to the lamp main body 11, so that the maintenance cost of the lamp main body 11 and the light source (white LED 16 and blue LED 18) can be reduced.

また、本実施例の防犯灯１は、灯具本体１１及びその近傍位置が青色に発光され、遠方からは青色系の照射光により灯具本体１１及びその近傍位置が「青色」に発光しているように視認することができるため、「青色」の防犯灯１として犯罪抑止の効果が期待できるとともに、地表面Ｇの近傍位置が白色系に照らされているため、防犯灯１の下方を通過する歩行者や走行車両の円滑な通行が妨げられることがない。そして、当該地域にこのような「青色」の防犯灯１を複数箇所に配置することで、犯罪抑止効果を発揮して、安全・安心な街づくりのための環境設計に寄与することができる。   Further, in the security light 1 of the present embodiment, the lamp main body 11 and its vicinity position are emitted in blue, and the lamp main body 11 and its vicinity position are emitted in “blue” by the blue irradiation light from a distance. Since it can be visually recognized, the crime prevention effect can be expected as the “blue” crime prevention light 1 and the vicinity of the ground surface G is illuminated with a white system. Smooth passage of passengers and traveling vehicles is not hindered. By arranging such “blue” crime prevention lights 1 in a plurality of locations in the area, it is possible to exert a crime deterrent effect and contribute to environmental design for safe and secure city planning.

また、本実施例の防犯灯１では、第二照明部１４は、第一照明部１３の外周縁部に沿って連設されるため、中心部に白色ＬＥＤ１６を配置し、その外周を囲むようにして青色ＬＥＤ１８を配設することで、指向性（直進性）の高いＬＥＤによって２色の照射光を効率よく分離させることができる。特に、第二照明部１４から青色系の照射光を全方向に照射させることができ、灯具本体１１及びその近傍位置での「青色」の視認性を向上できる。   Moreover, in the crime prevention light 1 of a present Example, since the 2nd illumination part 14 is provided along the outer periphery part of the 1st illumination part 13, white LED16 is arrange | positioned in the center part and it surrounds the outer periphery. By disposing the blue LED 18, it is possible to efficiently separate the irradiation light of the two colors by the LED having high directivity (straight advancement). In particular, blue illumination light can be emitted from the second illumination unit 14 in all directions, and the visibility of “blue” at the lamp main body 11 and in the vicinity thereof can be improved.

また、本実施例の防犯灯１では、灯具本体１１が支柱部１０に直付けして固定されるため、例えば、支柱部１０と灯具本体１１との間にアーム部材等が不要であり、構成部材を減らして、防犯灯１の製造コストを低減できる。   Moreover, in the crime prevention light 1 of a present Example, since the lamp main body 11 is directly attached and fixed to the support | pillar part 10, an arm member etc. are unnecessary between the support | pillar part 10 and the lamp main body 11, for example, and a structure The manufacturing cost of the security light 1 can be reduced by reducing the number of members.

なお、以上のように構成される防犯灯１の設置場所としては、街頭犯罪の発生した場所若しくは発生が予想される場所であることが好ましい。具体的には、市街地の道路・交差点・駐車場・公園等に配置される。特に、防犯対策のモデル地域として環境設計をすることによって、更なる効果が期待できる。   In addition, it is preferable that the installation place of the crime prevention light 1 configured as described above is a place where a street crime has occurred or is expected to occur. Specifically, they are placed on urban roads, intersections, parking lots, parks, and the like. In particular, by designing the environment as a model area for crime prevention measures, further effects can be expected.

本実施例の屋外照明装置の構成としては、上述した防犯灯１の構成に限定されない。
なお、以下に図示して説明する別実施例では、灯具本体１１等の構成について、上述した実施例と略同一である箇所についての詳細な説明は省略し、主に、構造上相違する箇所についてのみ詳細に説明する。 As a structure of the outdoor illuminating device of a present Example, it is not limited to the structure of the crime prevention light 1 mentioned above.
In another embodiment illustrated and described below, the detailed description of the parts that are substantially the same as those of the above-described embodiment is omitted for the configuration of the lamp body 11 and the like, and mainly the parts that are structurally different. Only the details will be described.

すなわち、上述した実施例では、灯具本体１１を構成する下部本体１１ｂがアルミダイキャストなどの遮光性部材より形成されているが、これに限定されず、例えば、無透明のアクリル樹脂などの透光性部材より形成されてもよい。このような構成とすることで、灯具本体１１において、第二照明部１４から左右方向に照射される青色の照射光の量を増大させることができ、遠方の地点における灯具本体１１の「青色」の照度をより高めることができる。   That is, in the embodiment described above, the lower main body 11b constituting the lamp main body 11 is formed of a light-shielding member such as an aluminum die cast, but is not limited to this, for example, a translucent material such as a non-transparent acrylic resin. It may be formed from a sex member. By setting it as such a structure, in the lamp main body 11, the quantity of the blue irradiation light irradiated to the left-right direction from the 2nd illumination part 14 can be increased, and "blue" of the lamp main body 11 in a distant point The illuminance can be further increased.

また、本実施例の屋外照明装置の構成としては、第一照明部１３及び第二照明部１４の配置や各ＬＥＤ（白色ＬＥＤ１６及び青色ＬＥＤ１８）の配置及び個数等は、上述した実施例に特に限定されない。
特に、上述した実施例では、第二照明部１４は、第一照明部１３の外周縁部に沿って連設されるが（図４等参照）、少なくとも、第一照明部１３の対向する一対の縁部、特に左右方向の両縁部に配置されてもよい（図８乃至図１０参照）。このように第二照明部１４を配置することで、灯具本体１１の左右方向の側面から外側に向けて青色系の照射光を照射させることができ、遠方から防犯灯１に近づく際に、「青色」を確実に視認することができる。 Moreover, as a structure of the outdoor illuminating device of a present Example, arrangement | positioning of the 1st illumination part 13 and the 2nd illumination part 14, arrangement | positioning and number of each LED (white LED16 and blue LED18) are especially in the Example mentioned above. It is not limited.
In particular, in the above-described embodiment, the second illumination unit 14 is continuously provided along the outer peripheral edge of the first illumination unit 13 (see FIG. 4 and the like), but at least a pair of the first illumination unit 13 facing each other. May be disposed at the edges, particularly at both edges in the left-right direction (see FIGS. 8 to 10). By disposing the second illumination unit 14 in this way, it is possible to irradiate blue light from the side surface in the left-right direction of the lamp body 11 outward, and when approaching the security light 1 from a distance, “ “Blue” can be visually recognized with certainty.

また、上述した実施例では、第一照明部１３及び第二照明部１４は、横断面形状に対応した板面状に構成されるが（図４等参照）、灯具本体１１が開口部１１ｃを下向きにして固定された状態で、白色ＬＥＤ１６が略垂直下方に向けられるとともに、青色ＬＥＤ１８が略垂直下方よりも配置構成上はっきりと外側に向けられるように、例えば、ＬＥＤ基板１７を平面視で略中央部が左右方向の縁部に対して下方に凸となるように断面視略半円状に湾曲させて形成し、各ＬＥＤ１６・１８をＬＥＤ基板１７の形状（湾曲面）に沿って装着させるように構成されてもよい。   Moreover, in the Example mentioned above, although the 1st illumination part 13 and the 2nd illumination part 14 are comprised by the plate surface shape corresponding to a cross-sectional shape (refer FIG. 4 etc.), the lamp main body 11 has the opening part 11c. For example, the LED board 17 is substantially planarly viewed so that the white LED 16 is directed substantially vertically downward and the blue LED 18 is directed more clearly outward than the substantially vertical downward in a fixed state. The center portion is formed to be curved in a substantially semicircular shape in cross section so that it protrudes downward with respect to the edge in the left-right direction, and each LED 16, 18 is mounted along the shape (curved surface) of the LED substrate 17. It may be configured as follows.

さらに、図８乃至図１０に示す防犯灯２のように、灯具本体２１に形成された開口部２１ｃを覆うように長板状に形成され、垂直断面視で逆台形状となるように左右方向の縁部がそれぞれ上方に折曲されたＬＥＤ基板２７が設けられてもよい。このＬＥＤ基板２７は、水平部２７ａに第一照明部２３が形成され、一対の斜方部２７ｂ・２７ｂに第二照明部２４がそれぞれ形成される。各照明部２３・２４は、ＬＥＤ基板２７に前後方向に沿って所定ピッチで略等間隔に各ＬＥＤ２６・２８が装着される。   Further, as in the crime prevention light 2 shown in FIGS. 8 to 10, it is formed in a long plate shape so as to cover the opening 21c formed in the lamp body 21, and the left and right direction so as to have an inverted trapezoidal shape in a vertical sectional view. The LED board 27 in which the edge part of each is bent upward may be provided. In the LED board 27, the first illumination part 23 is formed on the horizontal part 27a, and the second illumination part 24 is formed on the pair of oblique parts 27b and 27b. In the illumination units 23 and 24, the LEDs 26 and 28 are mounted on the LED board 27 at substantially equal intervals at a predetermined pitch along the front-rear direction.

このとき、第一照明部２３及び第二照明部２４の構成としては、少なくとも第二照明部２４の照射光が灯具本体１１の略垂直下方よりも外側方向に向けて照射光が照射されるように、第一照明部２３の水平面（ＬＥＤ基板２７の水平部２７ａの平面）と第二照明部２４の水平面（ＬＥＤ基板２７の斜方部２７ｂ・２７ｂの平面）とのなす角θが０°＜θ≦９０°の範囲となるように配設される。このように構成することで、第一照明部１３の照射光を灯具本体１１の略垂直下方に向けて照射させ、第二照明部１４の照射光を第一照明部１３の照射光の照射方向よりも灯具本体１１の外側方向に向けて確実に照射させることができるのである。   At this time, as a structure of the 1st illumination part 23 and the 2nd illumination part 24, at least the irradiation light of the 2nd illumination part 24 is irradiated toward an outer side rather than the substantially perpendicular downward direction of the lamp main body 11. Furthermore, the angle θ formed by the horizontal plane of the first illumination unit 23 (the plane of the horizontal portion 27a of the LED substrate 27) and the horizontal plane of the second illumination unit 24 (the planes of the oblique portions 27b and 27b of the LED substrate 27) is 0 °. <Θ ≦ 90 ° is provided. With this configuration, the irradiation light of the first illumination unit 13 is irradiated substantially vertically downward of the lamp body 11, and the irradiation light of the second illumination unit 14 is irradiated in the irradiation direction of the irradiation light of the first illumination unit 13. Therefore, it is possible to reliably irradiate the lamp body 11 toward the outer side.

すなわち、かかる構成では、略中央部に配設される第一照明部２３からは、略垂直下方に照射光が照射されるが、一方、その左右方向の両側部に配設される第二照明部２４からは略垂直下方に対して下方斜外側に向けて照射光が照射される。そして、このように第二照明部２４（青色ＬＥＤ２８）からの青色系の照明光を、灯具本体１１の下方斜外側に向けて照射させることで、灯具本体１１又はその近傍位置をより効果的に「青色」に照らすことができる。   That is, in such a configuration, irradiation light is irradiated substantially vertically downward from the first illumination unit 23 disposed substantially at the center portion, while the second illumination disposed on both side portions in the left-right direction. Irradiation light is emitted from the portion 24 toward the obliquely downward direction with respect to the substantially vertical downward direction. And by irradiating the blue illumination light from the 2nd illumination part 24 (blue LED28) toward the downward diagonal outer side of the lamp main body 11 in this way, the lamp main body 11 or its vicinity position is more effectively. Can be illuminated in “blue”.

また、第二照明部１４の構成として、上述した実施例では、第二照明部１４に光源として青色ＬＥＤ１８・１８・・・が配設されることで青色系の照射光を照射するように構成されているが、例えば、第二照明部１４においても光源として白色ＬＥＤ１６・１６・・・を配置するとともに、照明部１３・１４を覆うようにして取り付けられたグローブ１５の内、第二照明部１４からの照射光が透過される箇所を青色系塗料等により着色したり、白色ＬＥＤ１６・１６・・・に直接青色系塗料等を塗布して着色したりすることで、結果として第二照明部１４から青色系の照射光が照射されるように構成してもよい。   Moreover, as a structure of the 2nd illumination part 14, in the Example mentioned above, it is comprised so that blue-type irradiation light may be irradiated by arrange | positioning blue LED18 * 18 ... as a light source in the 2nd illumination part 14. FIG. However, for example, the second illumination unit 14 also includes white LEDs 16, 16... As the light source, and the second illumination unit among the globes 15 attached so as to cover the illumination units 13 and 14. As a result, the second illumination unit is colored by coloring the portion through which the irradiation light from 14 is transmitted with a blue paint or by applying a blue paint directly to the white LEDs 16. You may comprise so that blue-type irradiation light may be irradiated from 14. FIG.

また、第一照明部１３及び第二照明部１４には、例えば、光源（白色ＬＥＤ１６及び青色ＬＥＤ１８）からの照射光を所定方向に反射するための反射板（図略）が設けられてもよい。かかる反射鏡は、ＬＥＤ基板１７の上方から白色ＬＥＤ１６及び青色ＬＥＤ１８の先端部を突出させるようにして、照射光が効率よく反射されるように取り付けられる。ただし、反射板を用いる替わりに、ＬＥＤ基板１７の表面を鏡面仕上げすることで代用することも可能である。   Moreover, the 1st illumination part 13 and the 2nd illumination part 14 may be provided with the reflecting plate (not shown) for reflecting the irradiation light from a light source (white LED16 and blue LED18) to a predetermined direction, for example. . The reflecting mirror is attached so that the irradiation light is efficiently reflected by projecting the tip portions of the white LED 16 and the blue LED 18 from above the LED substrate 17. However, instead of using a reflector, the surface of the LED substrate 17 can be replaced with a mirror finish.

また、上述した実施例では、灯具本体１１に設けられた連結基部１２は、灯具本体１１（上部本体１１ａ）を支柱部１０に対して位置変動不能に固定するように構成されているが（図３等参照）、連結基部１２において、灯具本体１１の地表面Ｇとの水平方向及び上下方向の相対角度を可変調節可能となるような構成としてもよい。このような構成とすることで、防犯灯１の設置場所を限定することなく、設置場所に応じた最適な照明環境を創出することが容易となる。   In the above-described embodiment, the connection base 12 provided in the lamp body 11 is configured to fix the lamp body 11 (upper body 11a) to the support column 10 so that the position of the lamp base body 11 cannot be changed (see FIG. 3), the connection base 12 may be configured so that the horizontal and vertical relative angles with the ground surface G of the lamp body 11 can be variably adjusted. By setting it as such a structure, it becomes easy to create the optimal illumination environment according to an installation place, without limiting the installation place of the crime prevention light 1. FIG.

また、図１１に示す実施例のように、歩車一体型の街路灯３として、一の支柱部３０に対して灯具本体３１Ｌ・３１Ｈを地表面からの所定距離Ｄ１・Ｄ２が異なるように複数配置してもよい。このような構成とすることで、例えば、本実施例の街路灯３を、歩道と車道との境界部に、灯具本体３１Ｌを歩道側に突出させ灯具本体３１Ｈを車道側に突出させた状態で設置することで、一の街路灯３で歩道用街路灯と車道用街路灯とを兼用することができ、個別に設置する場合と比べてその設置コストを低減できる。   Further, as in the embodiment shown in FIG. 11, as the walking lamp integrated street light 3, a plurality of lamp main bodies 31 </ b> L and 31 </ b> H are arranged so that the predetermined distances D <b> 1 and D <b> 2 from the ground surface are different with respect to a single column 30. You may arrange. By adopting such a configuration, for example, in the state where the street light 3 of this embodiment is projected at the boundary between the sidewalk and the roadway, the lamp body 31L protrudes toward the sidewalk, and the lamp body 31H protrudes toward the roadway. By installing, the street light for a sidewalk and the street light for a roadway can be combined with the one street light 3, and the installation cost can be reduced compared with the case where it installs separately.

具体的には、街路灯３は、一の支柱部３０に対して一対の灯具本体３１Ｌ・３１Ｈが配置され、各灯具本体３１Ｌ・３１Ｈがそれぞれ地表面Ｇからの所定距離Ｄ１・Ｄ２が異なり、かつ同一垂直平面上に位置するようにして反対方向に向けて突設されるように構成され、一方の灯具本体３１Ｌが歩道用照明として低位置（所定距離Ｄ１）に配設され、他方の灯具本体３３Ｈが車道用照明として高位置（所定距離Ｄ２、Ｄ２＞Ｄ１）に配設される。このとき、灯具本体３１Ｌにおける所定距離Ｄ１は約３〜４ｍ、灯具本体３３Ｈにおける所定距離Ｄ２は約６〜８ｍとなるように調整される。
灯具本体３１Ｌ・３１Ｈは、歩道又は車道の照度基準を満たすだけの光度を有する照明部が設けられている。特に、灯具本体３１Ｈに設けられる白色ＬＥＤには、灯具本体３３Ｌに設けられる白色ＬＥＤと比べて高光度のものが用いられ、少なくとも３０ｌｘ以上のものが用いられる。
ただし、灯具本体３１Ｌ・３１Ｈの個数や配置等はこれに限定されず、例えば、一対の灯具本体が平面視略Ｙ字形状となるように配置されてもよく、また灯具本体が３個以上配置されてもよい。 Specifically, in the street light 3, a pair of lamp main bodies 31L and 31H are arranged with respect to one support column 30, and the respective lamp main bodies 31L and 31H have different predetermined distances D1 and D2 from the ground surface G, respectively. Further, the lamp body 31L is arranged to protrude in the opposite direction so as to be positioned on the same vertical plane, and one lamp body 31L is disposed at a low position (predetermined distance D1) as sidewalk illumination, and the other lamp The main body 33H is disposed at a high position (predetermined distances D2, D2> D1) as roadway illumination. At this time, the predetermined distance D1 in the lamp body 31L is adjusted to be about 3 to 4 m, and the predetermined distance D2 in the lamp body 33H is adjusted to be about 6 to 8 m.
The lamp body 31L / 31H is provided with an illumination unit having a luminous intensity sufficient to satisfy the illuminance standard of a sidewalk or a roadway. In particular, the white LED provided in the lamp main body 31H has a higher luminous intensity than the white LED provided in the lamp main body 33L, and at least 30 lx or more is used.
However, the number and arrangement of the lamp main bodies 31L and 31H are not limited to this. For example, a pair of lamp main bodies may be arranged in a substantially Y shape in plan view, and three or more lamp main bodies are arranged. May be.

また、図１２に示す実施例のように、防犯灯４として、各ＬＥＤ１６・１８に電力を供給する太陽電池を用いた自動蓄電手段としての太陽光発電システム４９が設けられてもよい。
具体的には、太陽光発電システム４９として、支柱部４０の上端部に方向可変に取り付けられ太陽電池がモジュール化して敷設された太陽電池パネル４９ａと、太陽電池パネル４９ａからの電力を蓄電する蓄電装置４９ｂ等とで構成される。蓄電装置４９ｂに蓄電された電力は灯具本体４１の光源（ＬＥＤ）の電力として供給される。また、各太陽電池パネル４９ａや蓄電装置４９ｂ等は、図示せぬ導線を介して接続されている。このように、太陽光発電システム４９が設けられることで、夜間照明用の電力を太陽光により賄うことができるため、省電力に寄与することができる。また、配電線等の敷設が不要であるため、設置場所を選ばず、街路やその周辺環境の設計が容易となる。
なお、このような防犯灯４の設置場所としては、従来の防犯灯では敷設工事が困難な場所や、災害避難場所や緊急避難場所などが好ましい。 Further, as in the embodiment shown in FIG. 12, a photovoltaic power generation system 49 as an automatic power storage means using a solar battery that supplies power to the LEDs 16 and 18 may be provided as the security light 4.
Specifically, as the solar power generation system 49, a solar cell panel 49a that is attached to the upper end portion of the support column 40 and whose solar cells are modularized and laid, and a power storage that stores electric power from the solar cell panel 49a. The device 49b and the like. The power stored in the power storage device 49b is supplied as the power of the light source (LED) of the lamp body 41. Moreover, each solar cell panel 49a, the electrical storage apparatus 49b, etc. are connected through the conducting wire which is not shown in figure. Thus, by providing the solar power generation system 49, the power for night illumination can be covered by sunlight, which can contribute to power saving. In addition, since it is not necessary to install a distribution line or the like, it is easy to design a street and its surrounding environment regardless of the installation location.
In addition, as the installation place of such a crime prevention light 4, the place where installation work is difficult with a conventional crime prevention light, a disaster evacuation place, an emergency evacuation place, etc. are preferable.

また、上述する太陽光発電システム４９を備えた防犯灯４は、太陽光発電システム４９の他に、さらに監視用及び会話用の録音録画可能な通信カメラや、異常を知らせる警報手段としての回転灯及び通報ボタンや、本部のメインサーバに通信可能な有線又は無線の通信システム等の内いずれか一種若しくは二種以上を設けた通話録画機能付き防犯灯（いわゆる「スーパー防犯灯」）として用いられてもよい。特に、本実施例では、灯具本体１１の略垂直下方位置に白色系の照射光が照射されることによって、略垂直下方に位置する対象物を白色系の自然色で照らし出すことができるため、上述した通信カメラによって鮮明な画像を録画することができる。   In addition to the photovoltaic power generation system 49, the crime prevention light 4 provided with the above-described photovoltaic power generation system 49 is a communication camera capable of recording and recording for monitoring and conversation, and a rotating lamp as an alarm means for notifying abnormality. In addition, it is used as a crime prevention light with call recording function (so-called “super crime prevention light”) provided with one or more of a notification button and a wired or wireless communication system that can communicate with the main server of the headquarters. Also good. In particular, in the present embodiment, it is possible to illuminate an object positioned substantially vertically below with a white natural color by irradiating white illumination light to the substantially vertically downward position of the lamp body 11. A clear image can be recorded by the communication camera described above.

本発明の一実施例に係る防犯灯の全体的な構成を示した側面図。The side view which showed the whole structure of the security light which concerns on one Example of this invention. 灯具本体の斜視図。The perspective view of a lamp main body. 灯具本体の側面図。The side view of a lamp body. 灯具本体の下方平面図。The bottom plan view of the lamp body. 同じく図４の灯具本体の下方平面図。The lower plan view of the lamp body of FIG. 灯具本体から照射される照射光の水平面照度分布図。The horizontal surface illumination intensity distribution map of the irradiation light irradiated from a lamp main body. 灯具本体から照射される照射光の光分布のイメージ図。The image figure of the light distribution of the irradiation light irradiated from a lamp main body. 別実施例に係る防犯灯の灯具本体の側面図。The side view of the lamp body of the crime prevention light which concerns on another Example. 同じく図８の灯具本体の側面図。The side view of the lamp main body of FIG. 8 similarly. 図８の灯具本体の正面断面図。FIG. 9 is a front sectional view of the lamp body of FIG. 8. 別実施例に係る歩車一体型の街路灯の全体的な構成を示した側面図。The side view which showed the whole structure of the pedestrian integrated street lamp which concerns on another Example. 太陽光発電システムを備えた図１の防犯灯の全体的な構成を示した側面図。The side view which showed the whole structure of the security light of FIG. 1 provided with the solar power generation system.

符号の説明Explanation of symbols

１ 防犯灯（屋外用照明器具）
１０ 支柱部
１１ 灯具本体
１３ 第一照明部
１４ 第二照明部
１６ 白色ＬＥＤ
１８ 青色ＬＥＤ
Ｇ 地表面
Ｄ 所定距離 1 crime prevention light (outdoor lighting equipment)
DESCRIPTION OF SYMBOLS 10 Support | pillar part 11 Lamp main body 13 1st illumination part 14 2nd illumination part 16 White LED
18 Blue LED
G Ground surface D Predetermined distance

Claims (11)

少なくとも２色以上の照射光を同時に照射可能な屋外用照明器具であって、
光源として複数のＬＥＤが配設され、地表面から所定距離だけ上方に位置される灯具本体と、
前記灯具本体の略垂直下方位置を白色に発光させるとともに、前記灯具本体及び／又はその近傍位置を青色に発光させる照明部を備えてなることを特徴とする屋外用照明器具。 An outdoor lighting apparatus capable of simultaneously irradiating at least two colors of irradiation light,
A plurality of LEDs are arranged as a light source, and a lamp body that is positioned above a predetermined distance from the ground surface;
An outdoor lighting apparatus comprising: an illumination unit that emits white light in a substantially vertical lower position of the lamp body, and emits blue light in the lamp body and / or its vicinity. 前記照明部は、
前記灯具本体の略垂直下方に向けて白色系の照射光を照射する第一照明部と、
前記灯具本体の略垂直下方よりも外側に向けて青色系の照射光を照射する第二照明部とを備えてなることを特徴とする請求項１に記載の屋外用照明器具。 The illumination unit is
A first illuminating unit that irradiates white illumination light toward a substantially vertical lower side of the lamp body; and
The outdoor lighting apparatus according to claim 1, further comprising: a second illumination unit that emits blue-colored irradiation light toward an outer side from a substantially vertical lower side of the lamp body. 前記第一照明部には、光源として白色ＬＥＤが配設されることを特徴とする請求項２に記載の屋外用照明器具。   The outdoor lighting apparatus according to claim 2, wherein the first illumination unit includes a white LED as a light source. 前記第二照明部には、光源として青色ＬＥＤが配設されることを特徴とする請求項２又は請求項３に記載の屋外用照明器具。   4. The outdoor lighting apparatus according to claim 2, wherein a blue LED is disposed as a light source in the second illumination unit. 5. 前記第二照明部は、前記第一照明部の外周縁部に沿って連設されることを特徴とする請求項２乃至請求項４のいずれか一項に記載の屋外用照明器具。   5. The outdoor lighting apparatus according to claim 2, wherein the second illumination unit is continuously provided along an outer peripheral edge portion of the first illumination unit. 前記第二照明部は、前記第一照明部の対向する一対の縁部にそれぞれ連設されることを特徴とする請求項２乃至請求項５のいずれか一項に記載の屋外用照明器具。   The outdoor lighting apparatus according to any one of claims 2 to 5, wherein the second lighting unit is connected to a pair of opposing edges of the first lighting unit. 前記灯具本体は、前記支柱部に直付けして固定されることを特徴とする請求項１乃至請求項６のいずれか一項に記載の屋外用照明器具。   The outdoor lighting device according to any one of claims 1 to 6, wherein the lamp body is fixed directly to the support column. 前記灯具本体は、前記支柱部に地表面との相対角度を可変調節可能な連結基部を介して取り付けられることを特徴とする請求項１乃至請求項６のいずれか一項に記載の屋外用照明器具。   The outdoor lighting according to any one of claims 1 to 6, wherein the lamp body is attached to the support column through a connection base that can variably adjust a relative angle with the ground surface. Instruments. 前記灯具本体は、一の支柱部に対して地表面からの所定距離が異なるように複数配置されることを特徴とする請求項１乃至請求項８のいずれか一項に記載の屋外用照明器具。   The outdoor lighting apparatus according to any one of claims 1 to 8, wherein a plurality of the lamp main bodies are arranged so that a predetermined distance from the ground surface is different from a single column part. . 前記光源に電力を供給する太陽電池を用いた自動蓄電手段を備えてなることを特徴とする請求項１乃至請求項９のいずれか一項に記載の屋外用照明器具。   The outdoor lighting apparatus according to any one of claims 1 to 9, further comprising an automatic power storage unit using a solar battery that supplies power to the light source. 少なくとも２色以上の照射光を同時に照射する照明方法であって、
光源として複数のＬＥＤが配設され、地表面から所定距離だけ上方に位置される灯具本体に設けられた照射部によって、
前記灯具本体の略垂直下方位置を白色に発光させるとともに、前記灯具本体及び／又はその近傍位置を青色に発光させることを特徴とする照明方法。 An illumination method for simultaneously irradiating at least two colors of irradiation light,
A plurality of LEDs are arranged as a light source, and by an irradiating unit provided on the lamp body located a predetermined distance above the ground surface,
A lighting method characterized in that a substantially vertical lower position of the lamp body emits light in white, and the lamp body and / or a position in the vicinity thereof emits light in blue.
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