WO2011062230A1 - 間接照明装置 - Google Patents
間接照明装置 Download PDFInfo
- Publication number
- WO2011062230A1 WO2011062230A1 PCT/JP2010/070582 JP2010070582W WO2011062230A1 WO 2011062230 A1 WO2011062230 A1 WO 2011062230A1 JP 2010070582 W JP2010070582 W JP 2010070582W WO 2011062230 A1 WO2011062230 A1 WO 2011062230A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- light
- illumination
- light distribution
- indirect
- led line
- Prior art date
Links
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V7/00—Reflectors for light sources
- F21V7/0008—Reflectors for light sources providing for indirect lighting
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S4/00—Lighting devices or systems using a string or strip of light sources
- F21S4/20—Lighting devices or systems using a string or strip of light sources with light sources held by or within elongate supports
- F21S4/28—Lighting devices or systems using a string or strip of light sources with light sources held by or within elongate supports rigid, e.g. LED bars
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V5/00—Refractors for light sources
- F21V5/04—Refractors for light sources of lens shape
-
- 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
- F21S8/03—Lighting devices intended for fixed installation of surface-mounted type
- F21S8/033—Lighting devices intended for fixed installation of surface-mounted type the surface being a wall or like vertical structure, e.g. building facade
- F21S8/037—Lighting devices intended for fixed installation of surface-mounted type the surface being a wall or like vertical structure, e.g. building facade for mounting in a corner, i.e. between adjacent walls or wall and ceiling
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2103/00—Elongate light sources, e.g. fluorescent tubes
- F21Y2103/10—Elongate light sources, e.g. fluorescent tubes comprising a linear array of point-like light-generating elements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
Definitions
- the present invention relates to an indirect illumination device that irradiates light on a ceiling surface or a wall surface of a room from a light source and illuminates the room with the reflected light, such as cove illumination and cornice illumination.
- an indirect illumination device that illuminates the interior with the reflected light by applying light to an irradiation surface such as a wall surface, floor surface, or ceiling surface has been used.
- an indirect lighting device 100 for example, as shown in FIG. 8, a light source housing groove 103 is provided on the wall surface 101 or the ceiling surface 102 at the boundary between the wall surface 101 and the ceiling surface 102.
- Patent Document 1 For example, various apparatuses for installing the discharge lamp 104 and irradiating the irradiated space S with the reflected light obtained by reflecting the light L emitted from the discharge lamp 104 by the irradiation surface 105 such as the wall surface 101 or the ceiling surface 102 have been proposed.
- Patent Document 1 For example, Patent Document 1,
- an object of the present invention is to provide an indirect illumination device that can increase the illumination uniformity of the irradiated surface even when a light source is installed at the end of the irradiated surface.
- a first indirect illumination device is an indirect illumination device that irradiates a face body and illuminates with reflected light, and is an LED composed of a plurality of LEDs arranged in a line at one end of the face body.
- Line illumination and a light distribution lens for controlling the light distribution of the light emitted from the LED line illumination, and the illumination lens has a uniform illumination intensity on the irradiation surface of the face by a pre-calculated light distribution curve. It is characterized by being formed as follows.
- the light distribution curve has an incident angle with respect to the face body as ⁇ , and a normal illuminance at a position incident on the face body as E.
- n is a variable in the range of 1 to 3
- d is the distance from the face body to the light source
- I is the luminous intensity of the light transmitted through the light distribution lens. It is characterized by being.
- a third indirect illumination device includes at least two or more LED line illuminations that emit light at different color temperatures in addition to the above-described configuration, and emits any one of the LED line illuminations, thereby adjusting the emission color temperature. It can be changed.
- the fourth indirect lighting device is characterized in that, in addition to the above configuration, cove lighting for irradiating a ceiling surface or cornice lighting for irradiating a wall surface.
- the light source is LED line illumination composed of a plurality of LEDs, it is possible to irradiate evenly in the width direction of the irradiated surface using LEDs that have advantages in life and power consumption. .
- the light distribution of the light from the LED line illumination is controlled by the light distribution lens so that the illuminating surface illuminance of the mask is uniform, the illumination uniformity on the irradiated surface can be increased.
- the luminous intensity I for each incident angle ⁇ obtained by the above formula can be represented as a light distribution curve, and the light emitted from the LED line illumination is controlled by the light distribution lens, By controlling the light distribution so that the light intensity I for each incident angle ⁇ corresponds to this light distribution curve, the illumination uniformity on the irradiated surface can be increased.
- the variable n is 3 is the most preferable.
- the emission color temperature can be changed by changing one of two or more LED line illuminations having different color temperatures to emit light and the other to emit light
- indirect illumination Indirect lighting with a more comfortable color temperature can be achieved according to the purpose of use and the time zone of the room in which the apparatus is installed.
- the fourth indirect illumination device since it is a cove illumination that irradiates a ceiling surface or a cornice illumination that illuminates a wall surface, it can be appropriately used as illumination of a living space such as a house.
- the simplified sectional view showing the example of installation of the indirect lighting device of cornice lighting.
- the perspective view explaining the whole structure of an indirect lighting device.
- the simplified sectional view explaining the shape of the light distribution lens of an indirect lighting device.
- Sectional drawing explaining the light distribution of the light which injected into the light distribution lens from LED line illumination.
- the graph which shows the light distribution curve of the light which permeate
- the simplified sectional view showing the modification of the indirect lighting device which has two LED line lighting.
- the simplified sectional view showing the embodiment of the indirect lighting device of cove lighting.
- the indirect lighting device 1 of this embodiment is installed in a room 2 of a residential building such as an apartment (house) or a house.
- the installation place of the indirect lighting device 1 is not limited to one room 2 in a residential building, and may be a space such as a corridor or a staircase, or may be installed in a commercial facility or office.
- the indirect lighting device 1 is a lighting unit housed in a long groove 4a formed along one side of a ceiling surface 3 constituting a room 2, and has a C-shaped cross section.
- the indirect lighting device 1 is fixed in the groove 4a by, for example, a support arm 16 having one end held by a building frame, and is supplied with electricity through electric wiring.
- the fixing method is limited to this.
- the frame 11 may be fixed to a building frame with a bolt (not shown) as it is.
- the frame 11 is a resin or metal frame whose inner surface 11a is processed to be white or mirror-like in order to concentrate the light emitted from the LED 13 in the irradiation direction.
- the substrate 12 is housed and fixed inside the frame 11, and a plurality of sockets for fixing the LEDs 13 in the longitudinal direction are arranged in a line.
- the LEDs 13 are light-emitting diodes configured to be capable of emitting light at a desired color temperature by combining one or a plurality of light-emitting chips, and are fixed in a row to sockets installed on the substrate 12, respectively.
- the illumination 14 is comprised.
- the light distribution lens 15 is a transparent or translucent long resin body fitted on the opening side of the frame 11, and the light distribution of the light emitted from the LED line illumination 14 becomes a desired light distribution curve. As shown, the surface is formed in a curved shape. That is, a light distribution curve of light emitted from the LED line illumination 14 is measured in advance, and the light directly incident on the light distribution lens 15 from the LED line illumination 14 and reflected by the inner surface 11a of the frame 11 are reflected on the light distribution lens 15. The light distribution characteristic of the incident light is calculated. The surface of the light distribution lens 15 is processed so that the incident light is refracted and a light distribution curve represented by the following formula 2 is obtained. As shown in FIG. 4, the light emitted from the LED line illumination 14 is light-distributed when passing through the light distribution lens 15, enters the wall surface 5, and illuminates the interior of the room 2 with reflected light.
- Formula 2 is a formula indicating the luminous intensity I (cd) of the light transmitted through the light distribution lens 15 for each incident angle ⁇ ° with respect to the wall surface 5 of light, and is incident on the wall surface 5.
- the normal illuminance at the height is E (lx), and the horizontal distance from the wall surface 5 to the light source is d (mm).
- the variable n is 3 in this embodiment.
- the light distribution curve obtained from Equation 2 is as shown by curve A in FIG.
- the light intensity I of the light transmitted through the light distribution lens 15 increases as the incident angle ⁇ with respect to the wall surface 5 is closer to 0 °. That is, the light intensity I increases as the incident height approaches the floor surface 6, the distance H from the light source increases, and the incident angle ⁇ decreases. Therefore, as shown in FIG. 4 (A), as shown in FIG. 4 (B), light having a strong intensity I is incident on the vicinity of the floor 6 which is far from the light source and has a relatively narrow incident angle ⁇ .
- the illumination uniformity of the wall surface 5 can be improved by allowing light having a low light intensity I to enter the vicinity of the ceiling surface 3 close to the light source and having a relatively wide incident angle ⁇ .
- n of Formula 2 when the variable n of Formula 2 is 3, the illumination uniformity of the wall surface 5 is the best.
- the value of n is 1 or more and 3 or less. It is good also as arbitrary numerical values of.
- the value of n is 2
- the light distribution curve is shown by curve B in FIG. 5
- the value of n is 1, the light distribution curve is shown by curve C in FIG.
- the number of LED line illuminations 14 may be two or more.
- the LED 13 constituting one LED line illumination 14a is changed to an LED 13 that emits light in a cool color
- the other LED line illumination 14 14b can be an LED 13 that emits light of a warm color.
- the LED line illumination 14a that emits a cold color light is emitted in the morning or noon
- the LED line illumination 14b that emits a warm color light is emitted at night.
- the indirect lighting device 1 that emits light at a comfortable color temperature according to the life rhythm can be realized.
- the LED 13 itself may be one that emits light of a similar color, and a film that converts the color temperature may be attached to one light distribution lens 15.
- the LED line illumination 14a that emits light in a cold color emits light at a color temperature of about 5000 Kelvin, for example, and the LED line illumination 14b that emits light in a warm color emits light at a color temperature of about 3000 Kelvin, for example.
- any color temperature may be selected as long as the optimum color temperature is selected according to the resident's preference and the color of the wall surface 5.
- the indirect illumination apparatus 1 of the cornice illumination which irradiates the wall surface 5 with light.
- the indirect illumination device 1 for cove illumination that is provided at the upper end of the wall surface 5 and irradiates the ceiling surface 3 may be used.
- the indirect lighting device 1 includes a long frame 11 having a C-shaped cross section, and a substrate 12 fixed in the frame 11, as in the case of the cornice lighting described above.
- the LED line illumination 14 is composed of a plurality of LEDs 13 installed side by side on the substrate 12 and a light distribution lens 15 for controlling the light distribution of the LED line illumination 14. It is fixed by.
- the LED line illumination 14 includes, for example, two warm-color and cold-color LED line illuminations 14a and 14b, and one or both of the LED line illuminations depending on factors such as the production in the room 2 and the preference of the resident. 14a and 14b are turned on and off.
- the light distribution lens 15 is formed so that the light incident from the LED line illumination 14 can be converted into a light distribution curve represented by the above-described Expression 2.
- Formula 2 is a formula indicating the luminous intensity I (cd) of the light transmitted through the light distribution lens 15 for each incident angle ⁇ ° with respect to the ceiling surface 3 of the light, and is incident on the ceiling surface 3.
- the normal illuminance at the position to be used is E (lx), and the vertical distance from the ceiling to the light source is d (mm).
- the variable n is 3 as in the above embodiment.
- the light transmitted through the light distribution lens 15 has a greater luminous intensity I as the incident angle ⁇ with respect to the ceiling surface 3 is closer to 0 °.
- the further away from the side where the apparatus 1 is installed the farther away from the LED line illumination 14 which is the light source, and the smaller the incident angle ⁇ , the stronger the luminous intensity I. Therefore, a ceiling surface close to the light source and having a relatively wide incident angle ⁇ is incident on the opposite side of the ceiling surface 3 on which the indirect illumination device 1 is installed on the ceiling surface 3 having a relatively small incident angle ⁇ while the light having a strong luminous intensity I is incident thereon.
- the light uniformity of the wall surface 5 can be improved by allowing light having a weak light intensity I to be incident on the side on which the indirect illumination device 1 is installed.
- n in Equation 2 when the variable n in Equation 2 is 3, the illumination uniformity of the wall surface 5 is the best.
- the value of n may be any numerical value from 1 to 3.
- the indirect lighting device 1 according to the present invention can be suitably used as the indirect lighting device 1 that illuminates the room 2 such as cove lighting or cornice lighting.
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
Description
3 天井面(面体)
4 壁面(面体)
13 LED
14 LEDライン照明
15 配光レンズ
Claims (4)
- 面体に照射し、その反射光により照明する間接照明装置であって、 前記面体の一方の端部にライン状に並べて設けられた複数のLEDからなるLEDライン照明と、 該LEDライン照明から射出される光の配光を制御する配光レンズと、を備え、 前記配光レンズは、予め算出された配光曲線により前記面体の照射面照度が均一になるように形成されたものであることを特徴とする間接照明装置。
- 異なる色温度に発光する少なくとも2以上のLEDライン照明を備え、 いずれか一方のLEDライン照明を発光させることにより、発光色温度を変更可能であることを特徴とする請求項1または請求項2に記載の間接照明装置。
- 天井面を照射するコーブ照明又は壁面を照射するコーニス照明であることを特徴とする請求項1から請求項3のいずれかに記載の間接照明装置。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2010320058A AU2010320058B8 (en) | 2009-11-18 | 2010-11-18 | Indirect lighting apparatus |
CN201080043344.0A CN102639928B (zh) | 2009-11-18 | 2010-11-18 | 间接照明装置 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009262419A JP5405274B2 (ja) | 2009-11-18 | 2009-11-18 | 間接照明装置 |
JP2009-262419 | 2009-11-18 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2011062230A1 true WO2011062230A1 (ja) | 2011-05-26 |
Family
ID=44059703
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2010/070582 WO2011062230A1 (ja) | 2009-11-18 | 2010-11-18 | 間接照明装置 |
Country Status (4)
Country | Link |
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JP (1) | JP5405274B2 (ja) |
CN (1) | CN102639928B (ja) |
AU (1) | AU2010320058B8 (ja) |
WO (1) | WO2011062230A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2017152287A (ja) * | 2016-02-26 | 2017-08-31 | 株式会社遠藤照明 | 照明装置 |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWM464825U (zh) * | 2013-04-29 | 2013-11-01 | Macroblock Inc | 可調變色溫之發光裝置 |
CN103470992B (zh) * | 2013-09-27 | 2016-03-23 | 中国科学院半导体研究所 | 一种投影式照明*** |
CN103486474B (zh) * | 2013-09-27 | 2016-05-18 | 中国科学院半导体研究所 | 一种光斑可调的室内投影式照明*** |
US10670259B2 (en) * | 2014-08-14 | 2020-06-02 | Signify Holding B.V. | Baseboard luminaire for ambient lighting |
JP6877086B2 (ja) * | 2015-11-11 | 2021-05-26 | 株式会社Lixil | 照明装置 |
JP2021050571A (ja) * | 2019-09-26 | 2021-04-01 | 積水ハウス株式会社 | 居室の採光構造 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002163907A (ja) * | 2000-11-24 | 2002-06-07 | Moriyama Sangyo Kk | 照明システム及び照明ユニット |
JP2009110783A (ja) * | 2007-10-30 | 2009-05-21 | Colcoat Kk | 指向性照明装置 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4280283B2 (ja) * | 2006-01-27 | 2009-06-17 | 株式会社オプトデザイン | 面照明光源装置及びこれを用いた面照明装置 |
JP2008078015A (ja) * | 2006-09-22 | 2008-04-03 | Toshiba Lighting & Technology Corp | 照明器具 |
JP2008218186A (ja) * | 2007-03-05 | 2008-09-18 | Mitsubishi Electric Corp | 照明器具 |
JP5179225B2 (ja) * | 2008-02-26 | 2013-04-10 | パナソニック株式会社 | エッジライト式照明装置の設置構造 |
CN101566307B (zh) * | 2009-05-22 | 2011-04-20 | 西安智海电力科技有限公司 | Led光源的非成像光学定向配光方法 |
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2009
- 2009-11-18 JP JP2009262419A patent/JP5405274B2/ja active Active
-
2010
- 2010-11-18 CN CN201080043344.0A patent/CN102639928B/zh active Active
- 2010-11-18 WO PCT/JP2010/070582 patent/WO2011062230A1/ja active Application Filing
- 2010-11-18 AU AU2010320058A patent/AU2010320058B8/en active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002163907A (ja) * | 2000-11-24 | 2002-06-07 | Moriyama Sangyo Kk | 照明システム及び照明ユニット |
JP2009110783A (ja) * | 2007-10-30 | 2009-05-21 | Colcoat Kk | 指向性照明装置 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2017152287A (ja) * | 2016-02-26 | 2017-08-31 | 株式会社遠藤照明 | 照明装置 |
Also Published As
Publication number | Publication date |
---|---|
AU2010320058B8 (en) | 2014-12-11 |
AU2010320058A1 (en) | 2012-05-03 |
CN102639928A (zh) | 2012-08-15 |
AU2010320058B9 (en) | 2014-08-14 |
JP2011108496A (ja) | 2011-06-02 |
CN102639928B (zh) | 2014-10-29 |
AU2010320058B2 (en) | 2014-08-07 |
JP5405274B2 (ja) | 2014-02-05 |
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