WO2011074424A1 - Dispositif d'éclairage réfléchissant - Google Patents

Dispositif d'éclairage réfléchissant Download PDF

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Publication number
WO2011074424A1
WO2011074424A1 PCT/JP2010/071596 JP2010071596W WO2011074424A1 WO 2011074424 A1 WO2011074424 A1 WO 2011074424A1 JP 2010071596 W JP2010071596 W JP 2010071596W WO 2011074424 A1 WO2011074424 A1 WO 2011074424A1
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WO
WIPO (PCT)
Prior art keywords
substrate
reflecting mirror
heat
illumination device
led
Prior art date
Application number
PCT/JP2010/071596
Other languages
English (en)
Japanese (ja)
Inventor
賢治 米田
満 斎藤
Original Assignee
シーシーエス株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by シーシーエス株式会社 filed Critical シーシーエス株式会社
Priority to JP2011527115A priority Critical patent/JPWO2011074424A1/ja
Publication of WO2011074424A1 publication Critical patent/WO2011074424A1/fr

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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
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50—Cooling arrangements
    • F21V29/51—Cooling arrangements using condensation or evaporation of a fluid, e.g. heat pipes
    • 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
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50—Cooling arrangements
    • F21V29/502—Cooling arrangements characterised by the adaptation for cooling of specific components
    • F21V29/505—Cooling arrangements characterised by the adaptation for cooling of specific components of reflectors
    • 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
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50—Cooling arrangements
    • F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
    • F21V29/74—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades
    • F21V29/75—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with fins or blades having different shapes, thicknesses or spacing
    • 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
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50—Cooling arrangements
    • F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
    • F21V29/74—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades
    • F21V29/76—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical parallel planar fins or blades, e.g. with comb-like cross-section
    • F21V29/767—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical parallel planar fins or blades, e.g. with comb-like cross-section the planes containing the fins or blades having directions perpendicular to the light emitting axis
    • 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
    • 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 a reflective illumination device that can be suitably used not only for medical purposes such as surgery but also in an exhibition hall or a theater.
  • This type of reflective illumination device illuminates a predetermined area by once reflecting light from a light source with a reflecting mirror.
  • a light source For example, a halogen lamp or a mercury lamp is used as the light source, but in recent years, a lamp using an LED has been developed.
  • a large light quantity LED called a power LED is used for an application that requires a large quantity of light in such a reflective illumination device.
  • a large amount of power LED is used, heat generation from the LED increases correspondingly, and it is necessary to provide a heat dissipation mechanism in order to prevent failure due to the heat.
  • this includes a concave mirror 1A, a heat radiation mechanism 2A attached to the back side of the concave mirror 1, an LED 3A provided so as to face the concave mirror 1A, and the heat radiation structure 2A. And a heat pipe 5A that connects the substrate 4A on which the LED 3A is placed through the central portion 12A of the concave mirror 1A, and the heat dissipation structure 2A is not provided on the LED 3A side.
  • the heat dissipation structure 2A is provided by projecting from the back side of the concave mirror 1A to the opposite side of the substrate 4A, so that the LED can be radiated without blocking the reflected light (patent). Reference 1).
  • Patent Document 1 also discloses a position adjustment mechanism 6A that adjusts the distance between the concave mirror 1A and the LED 3A in order to change the illumination range.
  • a connecting portion 6A for connecting the concave mirror 1A and the heat radiating member 2A includes a first connecting member 61A provided on the concave mirror 1A side and a first connecting member 61A provided on the heat radiating member 2A side.
  • the second connecting member 62A is slidably fitted to the first connecting member 61A, and the LED 3A is reflected by being fastened with a screw at a predetermined position. It is configured to be movable back and forth with respect to the surface 11A.
  • the position adjusting mechanism is provided between the concave mirror 1A and the heat dissipation structure 2A in order to provide a function of adjusting the distance between the LED 3A and the concave mirror 1A. Since 6A is interposed, the distance for transferring heat from the LED 1A to the heat dissipation mechanism 2A becomes long, and it is difficult to improve the heat dissipation efficiency.
  • the heat pipe 5A passes through the central portion 12A of the concave mirror 1A and is connected to the heat dissipation mechanism 2A, the center of the light emitted from the LED 3A and reaching the concave mirror 1A.
  • the intense light of the part is blocked by the heat pipe 5A and cannot reach the reflecting surface, and is wasted, and the light quantity of the entire reflective illumination device 100A is impaired.
  • the present invention has been made in view of the above-described problems. Even if one end of the heat conducting member is fixed to the substrate and the other end is directly fixed to the reflecting mirror, the position and orientation of the LED can be finely adjusted. It is an object of the present invention to provide a reflective illumination device that can improve the heat dissipation efficiency of heat generated in an LED and can effectively use high intensity light emitted from the LED at the center. To do.
  • the reflective illumination device of the present invention is attached to the substrate, a reflecting mirror having a concave reflecting surface formed on the front side, a substrate provided to face the central portion of the reflecting surface, and the substrate.
  • An LED that emits light toward the reflecting surface, one end of which is fixed to the substrate and the other end is fixed to the reflecting mirror, and the substrate and the reflecting mirror.
  • a rod-like heat conducting member for thermally connecting the electrodes is provided radially from the substrate to the outer edge of the reflecting mirror.
  • the said heat conductive member is a rod-shaped thing and is provided radially from the said board
  • the heat conducting member is fixed to the reflecting mirror itself, it is possible to dissipate heat from the reflecting mirror itself. Therefore, unlike the conventional case, it is not necessary to provide a heat radiating structure by greatly projecting along the optical axis from the back side of the reflecting mirror, and it is possible to eliminate the heat radiating structure or to reduce its size. As a result, since restrictions on heat dissipation are weakened, the degree of freedom of forming the back surface of the reflecting mirror on a substantially flat surface is increased, and it becomes easy to attach the reflective illumination device to a flat surface such as a ceiling.
  • the distance for transferring heat can be reduced as compared with the conventional case, so that the heat radiation efficiency can be further improved.
  • the heat conducting member is a rod-shaped member that is provided radially from the substrate to the outer edge of the reflecting mirror, the LED and the substrate are supported even if the diameter thereof is smaller than the conventional one. In addition, the light reflected on the reflecting surface can be hardly blocked. Accordingly, it is possible to further improve the amount of light emitted from the reflection type illumination device irradiated from the reflection surface.
  • a heat dissipation structure is formed on the back side of the reflecting mirror. If it is such, the distance of LED and a thermal radiation structure can be made very short, for example, the contribution of the thermal radiation effect by the heat conduction which made the air the medium can also be enlarged.
  • the heat conducting member is a heat pipe. If it is such, since it can be set as the heat conductive member of a very thin diameter, it can minimize that the light reflected in the reflective surface is interrupted, and does not impair the light quantity. be able to.
  • any position adjustment mechanism that adjusts the distance of the substrate to the reflection surface may be used.
  • the heat dissipation structure Is provided on the outer side of the reflecting mirror, the fixing part to which the other end of the heat conducting member is fixed, the contact part in contact with the back side of the reflecting surface, and provided between the fixing part and the contact part, What is necessary is just to be comprised from the fin part formed in the spiral.
  • the heat conducting member comprises the reflector, the substrate, and the like. What is necessary is just to be provided in between.
  • the surface of the reflecting surface only needs to be subjected to a textured process including a plurality of circular concave surfaces.
  • a transparent cover provided so as to cover the front side of the reflecting mirror is further provided, and the position adjusting mechanism includes a connecting member that connects between the substrate and the transparent cover; And an adjustment unit that is provided outside the transparent cover and moves the substrate in the optical axis direction of the reflecting mirror via the connection member.
  • the heat dissipation structure is formed on the back side of the reflecting mirror, the distance for transferring heat by the heat conducting member can be shortened compared to the conventional case, so that the heat dissipation efficiency is improved. Can do. Furthermore, since the rod-like heat conduction member is provided radially from the substrate to the outer edge of the reflecting mirror, it is possible to reflect the strong light of the central portion emitted from the LED on the reflecting surface without waste, It is possible to increase the amount of light irradiated to the irradiation target from the entire reflective illumination device.
  • FIG. 1 is a schematic perspective view showing a reflective illumination device according to an embodiment of the present invention.
  • the schematic diagram which shows an example of the use condition of the reflection type illuminating device in the embodiment.
  • the typical sectional view showing the structure of the reflection type lighting device concerning another embodiment of the present invention.
  • the typical sectional view showing the structure of the reflection type lighting installation concerning another embodiment of the present invention.
  • the typical sectional view showing the structure of the reflection type lighting installation concerning a different embodiment of the present invention.
  • the typical sectional view showing the reflection type lighting installation concerning other embodiments of the present invention.
  • the reflective illumination device 100 is a reflective shadowless illumination device used for medical use, particularly for dental treatment, and has a concave surface on the front side as shown in FIGS. 1 and 2. 11, a substrate 4 provided so as to face the central portion 12 of the reflection surface 11, and an LED 3 that is attached to the substrate 4 and emits light toward the reflection surface 11. , And a heat radiating structure 2 is formed on the back side of the reflecting mirror 1, and a heat pipe 5 serving as a heat conducting member for thermally connecting the heat radiating structure 2 and the substrate 4 is provided. . As shown in FIG.
  • the reflective illumination device 100 illuminates a predetermined region by once reflecting the light from the LED 3 so as to be directed inward by the reflecting surface 11, and the LED 3 and the substrate 4. In addition, the illumination is performed so that the shadow of the dentist's finger or the treatment tool J interposed between the irradiation region and the reflecting surface 11 does not occur in the predetermined region.
  • the reflecting mirror 1 has a shape obtained by removing a bowl shape from a substantially short cylindrical shape formed of a metal such as aluminum or copper having good thermal conductivity, and the reflective surface is obtained by performing aluminum deposition on the inner surface thereof. 11 is formed.
  • the reflecting surface 11 formed on the front side of the reflecting mirror 1 has a concave shape, and is specifically a parabolic mirror or an ellipsoidal mirror.
  • the heat dissipating structure 2 formed on the back side of the reflecting mirror 1 is a fin 21 formed by providing annular grooves at regular intervals on the side surface of the cylindrical body centered on the optical axis.
  • the depth of the grooves forming the fins 21 is formed as deep as possible within a range not reaching the reflecting surface 11 on the front side. That is, since the fin 21 which is the heat radiating structure 2 is formed directly on the reflecting mirror 1 itself, the heat transferred to the reflecting mirror 1 can be quickly radiated.
  • the substrate 4 has a truncated conical shape made of a highly heat conductive material such as metal (for example, aluminum or copper), and the tip of the heat pipe 5 is incident on the side surface substantially perpendicularly. It is provided to do.
  • LED3 is provided in the reflective surface 11 side, and the light inject
  • the LED 3 is provided on the surface of the substrate 4 on the reflective surface 11 side, and emits light in the visible light range toward the reflective surface 11.
  • the LED 3 includes light emitting elements of R (red), G (green), and B (blue), and emits these colors so as to be mixed.
  • one LED 3 is provided in the central portion 12 of the reflective surface side surface of the substrate 44.
  • the heat pipe 53 has a distal end portion fixed to the substrate 4 and a proximal end portion fixed to the outer edge portion 13 of the reflecting mirror 1.
  • substrate 4, the reflective mirror 1, and the heat pipe 5 are fixed by welding or press fit, and it is comprised so that sufficient heat conduction may be performed.
  • the heat pipe 5 has two functions: a function of transferring heat generated in the LED 3 to the heat dissipation structure 2 and a function of holding the substrate 4 and the LED 3 in a predetermined position.
  • the four heat pipes 5 are provided radially from the substrate 4 to the outer edge portion 13 of the reflecting mirror 1 at 90 degrees as viewed from the optical axis direction, thereby supporting the substrate 4 and the LEDs 3. And heat transfer.
  • the heat pipe 5 is a pipe formed of copper, aluminum, stainless steel, or the like.
  • a groove structure as a capillary structure is formed on the inner wall thereof, and a small amount of water and freon are contained therein.
  • a heat medium such as ammonia is sealed in a vacuum.
  • the reflection type illumination device 100 since the heat pipes 5 are provided radially from the substrate 4 to the outer edge portion 13 of the reflection mirror 1, the substrate 4 and the reflection mirror 1 are provided with the heat pipe 5. Even if both ends of the heat pipe 5 are completely fixed by welding or press-fitting, the heat pipe 5 provided at an angle can bend the central portion, and the position of the substrate 4 can be changed minutely. can do. Therefore, it is possible to adjust the position and orientation of the LED while the heat pipe 5 is directly fixed to the reflecting mirror 1 and the heat can be sufficiently transferred.
  • the heat dissipation structure 2 is provided on the back side of the reflecting mirror 1, the heat generated in the LED 3 is transferred to the heat dissipation structure 2 by the substrate 4 and the heat pipe 5 without using an extra member. , Can dissipate heat. Therefore, compared with the prior art, the distance by which heat is transferred by the heat pipe 5 can be significantly shortened, so that the heat dissipation efficiency can be improved.
  • the heat pipe 5 is provided from the substrate 4 to the outer edge portion 13 of the reflecting mirror 1, the heat pipe 5 is provided at the central portion 12 of the reflecting mirror 1 as in the prior art, and the reflecting surface 11.
  • the light emitted from the LED 3 can be reflected without wasting at all the strength of the central portion 12. That is, the amount of reflected light returning from the reflecting surface 11 can be increased, and the amount of light as the reflective illumination device 100 can be further improved.
  • a load to be supported is provided vertically. This can be improved compared to the case. That is, even if the diameter of the heat pipe 5 is reduced, the LED 3 and the substrate 4 can be supported and the diameter can be reduced, so that the light reflected from the reflecting surface 11 is blocked by the heat pipe 5. Can be minimized. That is, the amount of light that can be irradiated by the heat pipe 5 can be hardly impaired.
  • the heat pipe 5 is directly fixed to the reflecting mirror 1 so as to dissipate heat from the reflecting mirror 1 itself, the heat dissipating member such as a fin protrudes greatly from the back surface of the reflecting surface as in the prior art. There is no need to increase the heat dissipation amount. That is, the design restriction coming from the heat dissipation structure is weakened, and the degree of freedom in designing an equal shape that can make the shape of the back side of the reflecting surface substantially flat as in this embodiment is increased. As a result, it becomes easy to provide the reflective illumination device 100 of the present embodiment on a plane such as a ceiling, and can be used for various applications.
  • the reflective illumination device 100 of the embodiment may further include a position adjusting mechanism 6 that adjusts the distance of the substrate 4 with respect to the reflective surface 11.
  • a rod-shaped guide portion 61 that extends from the reflecting surface 11 toward the substrate 4 and is inserted into a hole formed in the substrate 4, and the substrate 4 is detachably fixed to the guide portion 61.
  • the fixing part 62 is constituted by a screw hole and a set screw which are formed on the side surface of the substrate 4 and which go to the guide part 61. If it is such, the distance of the said LED3 and the said reflective surface 11 can be adjusted, and the irradiation range by reflected light can be adjusted now appropriately.
  • the heat dissipation structure 2 may be formed so as to protrude perpendicularly to the curved surface from the back side of the reflecting mirror 1. More specifically, the heat dissipating structure 2 is generally formed in a spring shape, provided on the outside of the reflecting mirror, and a fixing portion 22 to which the other end of the heat pipe 5 as a heat conducting member is fixed, It comprises a contact portion 23 in contact with the back side of the reflecting surface, and a fin portion 24 provided between the fixing portion 22 and the contact portion 23 and formed in a spiral shape. In this embodiment, the pair of heat pipes 5 and the heat dissipation structure 2 are provided so as to be line symmetric with respect to the optical axis of the reflecting mirror 1.
  • the heat dissipation structure 2 is formed in a spring shape, so that the movement amount can be absorbed by expansion and contraction. This makes it possible to set the illumination range more easily.
  • the end portion of the heat pipe 5 is not fixed to the reflecting surface 11 of the reflecting mirror 1, but is directly fixed to the heat dissipation structure 2 in the outer edge portion 13. May be bent to the opposite side of the reflecting surface 11 and fixed to the substrate 4. Further, as shown in FIG. 6, one end of the heat pipe 5 is incident on the side surface of the substrate 4 that is formed obliquely, and the other end is incident on the reflecting mirror 1 with a slight inclination. It is configured.
  • the heat pipe 5 is fixed vertically to the reflecting mirror 1, and thus is incident and fixed obliquely. Compared to the case, it is easy to return to the vicinity of the LED 3 that is the heat generating portion and liquefy in the vicinity of the heat radiating structure 2, so that the heat dissipation efficiency can be further improved.
  • the heat pipe 5 may be bent to the reflective surface side, for example, in addition to the heat pipe 5 bent to the opposite side of the reflective surface 11.
  • the heat dissipation structure is a fin extending in the radial direction in the reflecting mirror, but may be extending in another direction, for example, the axial direction. In short, what is necessary is just to have the heat dissipation structure formed in the reflecting mirror itself.
  • the LED and the substrate are supported by the four heat pipes and the heat is transferred to the heat dissipation structure.
  • the number may be two or three.
  • a plurality of heat pipes greater than four may be used.
  • the heat conducting member is not limited to the heat pipe, and may be another heat conducting member.
  • the substrate portion of the heat pipe is provided at the outer edge portion of the reflecting mirror, particularly the outer edge portion of the reflecting surface.
  • the heat pipe substrate portion may be directly attached to the fin that is a heat dissipation structure. It doesn't matter.
  • FIGS. 7 In this embodiment, as shown in the perspective view of FIG. 7, four LEDs 3 are formed in a cross shape from the substrate 4 provided so that light is emitted to the reflecting surface 11 toward the outer edge portion 13 of the reflecting surface 11.
  • the heat pipe 5 is extended.
  • the heat pipe 5 is incident perpendicularly to the side surface of the substrate 4 and is substantially parallel to a plane including a virtual circle formed by the outer edge portion 13 of the reflecting mirror 1.
  • the heat pipe 5 is connected to a heat radiating block 2 which is a heat radiating structure formed in a cross shape on the back side of the reflecting mirror 1, and the heat generated by the LED 3 is transmitted to the substrate 4, the heat pipe 5, and the heat radiated. It is transmitted in the order of block 2 so as to dissipate heat efficiently.
  • the heat dissipating block is provided along the back side of the reflecting mirror 1 by combining two blocks having a substantially rectangular parallelepiped shape in the vertical and horizontal directions.
  • the tip portion protrudes from the outer edge portion 13 of the reflecting mirror 1 when viewed from the surface 11 side.
  • One end of the heat pipe 5 is bent and connected to a portion where the heat dissipation block protrudes outward from the reflecting mirror 1. Even in this configuration, the irradiation range of the reflected light from the reflecting surface 11 can be adjusted by moving the positions of the LED 3 and the substrate 4 back and forth by the position adjusting mechanism 6 by the elasticity of the heat pipe 5.
  • embossing is performed to provide a large number of circular concave surfaces 111 so as to cover the surface of the reflective surface 11 so that the reflected light from the reflective surface 11 is uniform.
  • the transparent cover 7 is schematically made of, for example, a transparent resin.
  • a position adjusting mechanism 6 for adjusting the distance to the reflecting surface 11 of the LED 3 is provided between the transparent cover and the substrate 4.
  • the position adjusting mechanism 6 is provided on the outside of the transparent cover 7 and the connection member 61 that connects the substrate 4 and the transparent cover 7, and the substrate 4 is moved through the connection member 61.
  • an adjusting unit 62 for moving back and forth in the optical axis direction of the reflecting mirror.
  • connection member 61 is a rod-shaped member that extends from a through hole formed in the center of the bottom surface of the substrate 4 to the center of the top surface of the transparent cover 7 and extends to the outside of the transparent cover. 61 are arranged so that the outline of 61 is inside the substrate 4. One end of the connecting member 61 is fixed to the bottom surface of the substrate 4, and the other end is slidably inserted into a through hole provided in the transparent cover 7.
  • the adjusting portion 62 is fixed in a state where the connecting member 61 protrudes to the outside of the transparent cover by a predetermined length.
  • the adjusting portion 61 is constituted by a thread groove formed on the other end side of the connection member 61 and a nut screwed with the thread groove on the outside of the transparent cover. That is, when the nut is rotated on the outer surface of the transparent cover 7 so as to advance toward the reflecting mirror 1, the nut is pressed by the transparent cover 7 and the connecting member 61 side where the thread groove is cut moves. Will do. As a result, as shown in FIG. 9B, the heat pipe 5 can be bent and the position of the LED 3 can be separated from the reflecting mirror 1.
  • the connecting member 61 is not limited to a rod-shaped member, and may be one that connects the substrate 4 other than the central portion of the transparent cover 7.
  • the adjustment unit 62 may be provided outside the transparent cover 7. For example, a plurality of small holes are arranged in the side surface of the connection member in the optical axis direction, and a stop pin is inserted into any small hole. The position of the substrate 4 and the LED 3 may be adjusted.
  • a power source such as a battery may be provided on the back side of the reflecting mirror, and wiring may be provided along the heat pipe.
  • the above-described reflective illumination device may be used for a car light or the like.
  • the position and orientation of the LED can be finely adjusted with the reflective illumination device of the present invention.
  • the heat radiation efficiency of the generated heat can be further improved, and light having high intensity in the central part emitted from the LED can be used effectively.

Abstract

L'invention porte sur un dispositif d'éclairage réfléchissant, la position ou l'orientation d'une diode électroluminescente pouvant être réglée soigneusement, l'efficacité de la libération de chaleur d'une chaleur générée dans la diode électroluminescente pouvant être améliorée, et une lumière de forte intensité au centre d'une lumière émise par la diode électroluminescente pouvant être utilisée efficacement, même si une extrémité d'un élément de conduction de chaleur est fixée à un substrat, et que l'autre extrémité est directement fixée à un miroir réfléchissant. Un dispositif d'éclairage réfléchissant (100) est pourvu d'un miroir réfléchissant (1) sur lequel une surface réfléchissante (11) est formée de façon à définir une concavité sur le côté supérieur, d'un substrat (4) disposé de façon à être en regard de la partie centrale (12) de la surface réfléchissante (11), et d'une diode électroluminescente (3) pour émettre une lumière vers la surface réfléchissante (11). Des éléments de conduction de chaleur en forme de tige (5), dont une extrémité est fixée au substrat (4) et l'autre extrémité est fixée au miroir réfléchissant (1) de telle sorte que le substrat (4) et une structure de libération de chaleur (2) sont thermiquement connectés, s'étendent radialement du substrat (4) au bord externe (13) du miroir réfléchissant (1).
PCT/JP2010/071596 2009-12-18 2010-12-02 Dispositif d'éclairage réfléchissant WO2011074424A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2011527115A JPWO2011074424A1 (ja) 2009-12-18 2010-12-02 反射型照明装置

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2009287936 2009-12-18
JP2009-287936 2009-12-18

Publications (1)

Publication Number Publication Date
WO2011074424A1 true WO2011074424A1 (fr) 2011-06-23

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TW (1) TW201135146A (fr)
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Cited By (33)

* Cited by examiner, † Cited by third party
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WO2013101922A1 (fr) * 2011-12-30 2013-07-04 Cree, Inc. Appareil à diodes électroluminescentes comprenant un tuyau de chaleur
JP2013235768A (ja) * 2012-05-10 2013-11-21 J Morita Tokyo Mfg Corp 歯科用照明装置
JP2014053164A (ja) * 2012-09-07 2014-03-20 Yoshida Dental Mfg Co Ltd オペレーティングライトの光源部
US8905575B2 (en) 2012-02-09 2014-12-09 Cree, Inc. Troffer-style lighting fixture with specular reflector
US8931929B2 (en) 2012-07-09 2015-01-13 Cree, Inc. Light emitting diode primary optic for beam shaping
US9052075B2 (en) 2013-03-15 2015-06-09 Cree, Inc. Standardized troffer fixture
KR20150080768A (ko) * 2014-01-02 2015-07-10 윤성노 Ｌｅｄ 전조등
USD749768S1 (en) 2014-02-06 2016-02-16 Cree, Inc. Troffer-style light fixture with sensors
US9285099B2 (en) 2012-04-23 2016-03-15 Cree, Inc. Parabolic troffer-style light fixture
US9291316B2 (en) 2012-11-08 2016-03-22 Cree, Inc. Integrated linear light engine
US9310038B2 (en) 2012-03-23 2016-04-12 Cree, Inc. LED fixture with integrated driver circuitry
US9360185B2 (en) 2012-04-09 2016-06-07 Cree, Inc. Variable beam angle directional lighting fixture assembly
US9423104B2 (en) 2013-03-14 2016-08-23 Cree, Inc. Linear solid state lighting fixture with asymmetric light distribution
US9441818B2 (en) 2012-11-08 2016-09-13 Cree, Inc. Uplight with suspended fixture
US9494304B2 (en) 2012-11-08 2016-11-15 Cree, Inc. Recessed light fixture retrofit kit
US9494294B2 (en) 2012-03-23 2016-11-15 Cree, Inc. Modular indirect troffer
US9494293B2 (en) 2010-12-06 2016-11-15 Cree, Inc. Troffer-style optical assembly
USD772465S1 (en) 2014-02-02 2016-11-22 Cree Hong Kong Limited Troffer-style fixture
US9581312B2 (en) 2010-12-06 2017-02-28 Cree, Inc. LED light fixtures having elongated prismatic lenses
USD786471S1 (en) 2013-09-06 2017-05-09 Cree, Inc. Troffer-style light fixture
US9777897B2 (en) 2012-02-07 2017-10-03 Cree, Inc. Multiple panel troffer-style fixture
US9822951B2 (en) 2010-12-06 2017-11-21 Cree, Inc. LED retrofit lens for fluorescent tube
USD807556S1 (en) 2014-02-02 2018-01-09 Cree Hong Kong Limited Troffer-style fixture
US9874322B2 (en) 2012-04-10 2018-01-23 Cree, Inc. Lensed troffer-style light fixture
US9989213B2 (en) 2012-06-04 2018-06-05 Philips Lighting Holding B.V. Lighting device with optical reflector, luminaire having such lighting device and method of manufacturing a compact optical reflector
US10012354B2 (en) 2015-06-26 2018-07-03 Cree, Inc. Adjustable retrofit LED troffer
US10054274B2 (en) 2012-03-23 2018-08-21 Cree, Inc. Direct attach ceiling-mounted solid state downlights
US10309627B2 (en) 2012-11-08 2019-06-04 Cree, Inc. Light fixture retrofit kit with integrated light bar
US10527225B2 (en) 2014-03-25 2020-01-07 Ideal Industries, Llc Frame and lens upgrade kits for lighting fixtures
US10544925B2 (en) 2012-01-06 2020-01-28 Ideal Industries Lighting Llc Mounting system for retrofit light installation into existing light fixtures
US10648643B2 (en) 2013-03-14 2020-05-12 Ideal Industries Lighting Llc Door frame troffer
US10823347B2 (en) 2011-07-24 2020-11-03 Ideal Industries Lighting Llc Modular indirect suspended/ceiling mount fixture
US10883702B2 (en) 2010-08-31 2021-01-05 Ideal Industries Lighting Llc Troffer-style fixture

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003317527A (ja) * 2002-04-23 2003-11-07 Nichia Chem Ind Ltd 照明装置
JP2007053065A (ja) * 2005-08-19 2007-03-01 Daiichi Shomei Kk 医用照明装置
JP2008016314A (ja) * 2006-07-06 2008-01-24 Fukushima Ship Seisakusho:Kk Ｌｅｄを用いた光源及びこれを用いた照明装置
JP2008108721A (ja) * 2006-09-27 2008-05-08 Ccs Inc 反射型照明装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003317527A (ja) * 2002-04-23 2003-11-07 Nichia Chem Ind Ltd 照明装置
JP2007053065A (ja) * 2005-08-19 2007-03-01 Daiichi Shomei Kk 医用照明装置
JP2008016314A (ja) * 2006-07-06 2008-01-24 Fukushima Ship Seisakusho:Kk Ｌｅｄを用いた光源及びこれを用いた照明装置
JP2008108721A (ja) * 2006-09-27 2008-05-08 Ccs Inc 反射型照明装置

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* Cited by examiner, † Cited by third party
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US10883702B2 (en) 2010-08-31 2021-01-05 Ideal Industries Lighting Llc Troffer-style fixture
US11306895B2 (en) 2010-08-31 2022-04-19 Ideal Industries Lighting Llc Troffer-style fixture
US9581312B2 (en) 2010-12-06 2017-02-28 Cree, Inc. LED light fixtures having elongated prismatic lenses
US9822951B2 (en) 2010-12-06 2017-11-21 Cree, Inc. LED retrofit lens for fluorescent tube
US9494293B2 (en) 2010-12-06 2016-11-15 Cree, Inc. Troffer-style optical assembly
US11209135B2 (en) 2011-07-24 2021-12-28 Ideal Industries Lighting Llc Modular indirect suspended/ceiling mount fixture
US10823347B2 (en) 2011-07-24 2020-11-03 Ideal Industries Lighting Llc Modular indirect suspended/ceiling mount fixture
US9423117B2 (en) 2011-12-30 2016-08-23 Cree, Inc. LED fixture with heat pipe
WO2013101922A1 (fr) * 2011-12-30 2013-07-04 Cree, Inc. Appareil à diodes électroluminescentes comprenant un tuyau de chaleur
US10544925B2 (en) 2012-01-06 2020-01-28 Ideal Industries Lighting Llc Mounting system for retrofit light installation into existing light fixtures
US11408569B2 (en) 2012-01-06 2022-08-09 Ideal Industries Lighting Llc Mounting system for retrofit light installation into existing light fixtures
US9777897B2 (en) 2012-02-07 2017-10-03 Cree, Inc. Multiple panel troffer-style fixture
US8905575B2 (en) 2012-02-09 2014-12-09 Cree, Inc. Troffer-style lighting fixture with specular reflector
US9310038B2 (en) 2012-03-23 2016-04-12 Cree, Inc. LED fixture with integrated driver circuitry
US10054274B2 (en) 2012-03-23 2018-08-21 Cree, Inc. Direct attach ceiling-mounted solid state downlights
US10514139B2 (en) 2012-03-23 2019-12-24 Ideal Industries, Llc LED fixture with integrated driver circuitry
US9494294B2 (en) 2012-03-23 2016-11-15 Cree, Inc. Modular indirect troffer
US9360185B2 (en) 2012-04-09 2016-06-07 Cree, Inc. Variable beam angle directional lighting fixture assembly
US9874322B2 (en) 2012-04-10 2018-01-23 Cree, Inc. Lensed troffer-style light fixture
US9285099B2 (en) 2012-04-23 2016-03-15 Cree, Inc. Parabolic troffer-style light fixture
JP2013235768A (ja) * 2012-05-10 2013-11-21 J Morita Tokyo Mfg Corp 歯科用照明装置
US9989213B2 (en) 2012-06-04 2018-06-05 Philips Lighting Holding B.V. Lighting device with optical reflector, luminaire having such lighting device and method of manufacturing a compact optical reflector
US8931929B2 (en) 2012-07-09 2015-01-13 Cree, Inc. Light emitting diode primary optic for beam shaping
JP2014053164A (ja) * 2012-09-07 2014-03-20 Yoshida Dental Mfg Co Ltd オペレーティングライトの光源部
US9441818B2 (en) 2012-11-08 2016-09-13 Cree, Inc. Uplight with suspended fixture
US9291316B2 (en) 2012-11-08 2016-03-22 Cree, Inc. Integrated linear light engine
US9494304B2 (en) 2012-11-08 2016-11-15 Cree, Inc. Recessed light fixture retrofit kit
US10309627B2 (en) 2012-11-08 2019-06-04 Cree, Inc. Light fixture retrofit kit with integrated light bar
US9482396B2 (en) 2012-11-08 2016-11-01 Cree, Inc. Integrated linear light engine
US9423104B2 (en) 2013-03-14 2016-08-23 Cree, Inc. Linear solid state lighting fixture with asymmetric light distribution
US10648643B2 (en) 2013-03-14 2020-05-12 Ideal Industries Lighting Llc Door frame troffer
US9052075B2 (en) 2013-03-15 2015-06-09 Cree, Inc. Standardized troffer fixture
US10228111B2 (en) 2013-03-15 2019-03-12 Cree, Inc. Standardized troffer fixture
USD786471S1 (en) 2013-09-06 2017-05-09 Cree, Inc. Troffer-style light fixture
KR101606841B1 (ko) 2014-01-02 2016-03-28 윤성노 Ｌｅｄ 전조등
KR20150080768A (ko) * 2014-01-02 2015-07-10 윤성노 Ｌｅｄ 전조등
USD807556S1 (en) 2014-02-02 2018-01-09 Cree Hong Kong Limited Troffer-style fixture
USRE48620E1 (en) 2014-02-02 2021-07-06 Ideal Industries Lighting Llc Troffer-style fixture
USD772465S1 (en) 2014-02-02 2016-11-22 Cree Hong Kong Limited Troffer-style fixture
USRE49228E1 (en) 2014-02-02 2022-10-04 Ideal Industries Lighting Llc Troffer-style fixture
USD749768S1 (en) 2014-02-06 2016-02-16 Cree, Inc. Troffer-style light fixture with sensors
US10527225B2 (en) 2014-03-25 2020-01-07 Ideal Industries, Llc Frame and lens upgrade kits for lighting fixtures
US10012354B2 (en) 2015-06-26 2018-07-03 Cree, Inc. Adjustable retrofit LED troffer

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