CN100465504C - Light source reflecting typed illuminating apparatus - Google Patents
Light source reflecting typed illuminating apparatus Download PDFInfo
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- CN100465504C CN100465504C CNB2004101041556A CN200410104155A CN100465504C CN 100465504 C CN100465504 C CN 100465504C CN B2004101041556 A CNB2004101041556 A CN B2004101041556A CN 200410104155 A CN200410104155 A CN 200410104155A CN 100465504 C CN100465504 C CN 100465504C
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- light
- light source
- guiding shade
- illuminating apparatus
- reflector
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- 238000005286 illumination Methods 0.000 claims abstract description 13
- 239000002184 metal Substances 0.000 claims description 3
- 230000012447 hatching Effects 0.000 claims 1
- 230000003287 optical effect Effects 0.000 description 6
- 238000009792 diffusion process Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000004313 glare Effects 0.000 description 2
- 206010019233 Headaches Diseases 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 208000003464 asthenopia Diseases 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008034 disappearance Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000004438 eyesight Effects 0.000 description 1
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- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000002310 reflectometry Methods 0.000 description 1
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Abstract
An illuminating device of light source reflecting type is prepared as setting top opening and bottom opening on circular light guide cover with reflecting cover being set on top opening, setting multiple light guide structures on internal side wall of said cover, embedding light source on internal side wall of said cover, setting reflection cover above said cover to form top cover of said cover, using light guide structure to guide partial light from light source to shine out from bottom opening of said cover and to guide the other light from light source to reflection cover then to shine out from bottom opening of said cover for providing soft and proper illumination.
Description
Technical field
The present invention relates to a kind of lighting device, refer to a kind of lighting device that sends reflective uniform source of light especially, this lighting device can be avoided problems such as distribution of light inequality and dazzle.
Background technology
Lighting device has become the indispensable necessary tool of modern, all assembles lighting device miscellaneous in the common buildings and in the communal facility, looks thing for people at shady place or the faint place of light.
How general illumination Design of device direction is the direction of illumination of efficient guiding light source, and people are provided comfort visually.
For reaching the purpose of high efficiency irradiation (reducing stopping of light), lighting device has a reflector mostly, so that will be projeced into light guiding irradiation place on the reflector, be radiated at the light losing that non-predetermined illumination place causes to reduce light, yet, high efficiency irradiation often cause dazzle (image fogization that the person's eyes that are subjected to light are received, and cause the person that is subjected to light eye fatigue, ache, even adverse consequences such as headache).
For causing the comfort of vision, then must reduce the irradiation of disability glare, therefore lighting device has a light shield to reduce the dazzling light of direct glare, the general system of old-fashioned lighting device reduces the direct projection dazzle with translucent plastic cover or grid (Louver), but the translucent plastic cover not only absorbs light, and diffusion light, and then reduced the efficient of light source irradiation and can't effectively reduce dazzle.
Learn that by above-mentioned the high efficiency irradiation often conflicts with the euphorosia effect,, become the important topic of lighting device design so how to reach this two purposes effectively.
Please refer to Figure 10, it is the U.S. the 6th, 250, No. 774 disclosed a kind of lighting devices of patent case, this lighting device has a shell 80, be provided with a plurality of lighting units 81 in the shell 80, each lighting unit 81 includes an optical system 821 (comprising elements such as circular cone reflector) and light emitting diode (Light Emitting Diode, LED) 822 that are arranged in the optical system 821 respectively; This lighting device provides illumination uniformly to penetrate by the lighting unit 81 that is positioned at different angles, yet, because the optical system 821 in each lighting unit 81 comprises elements such as a plurality of reflectors and lens, so complex structure, the assembling difficulty, make this lighting device cost height, in addition, because the circular cone reflector of optical system 821 has limited the beam projecting angle of light emitting diode 822 light sources, the dead angle that still has insufficient light in the scope that each lighting unit 81 is shone, so the irradiation that this kind lighting device integral body is provided is still inhomogeneous.
Please refer to Figure 11, be the U.S. the 6th, 234, the disclosed a kind of White-light LED illumination of No. 645 patent cases system, this illuminator has lampshade 90 and at least three light emitting diodes 91, and each light emitting diode 91 sends the visible light with preset wavelength, and these lampshade 90 inwalls then are coated with one deck phosphor powder, cause diffusion effect with light, reach the purpose of uniform light light emitting diode 91; Yet, the light that this lampshade 90 only will throw on it passively produces diffusion, be not on one's own initiative light to be directed to suitable direction, so the utilization rate of its light is still on the low side, so this illuminator there is no remarkable efficacy aspect adjustment brightness part and the lifting light source utilization rate.
So the inventor improves its not enough and disappearance, and then invents out a kind of light source reflecting typed illuminating apparatus according to the not enough or unequal shortcoming of light illumination that known lighting device sent.
Summary of the invention
Main purpose of the present invention provides a kind of light source reflecting typed illuminating apparatus, and its light that utilizes simple structure that light source is sent is directed to a specific direction in the reflection mode, and light is evenly distributed, to improve light exposure rate and euphorosia sense.
For reaching above-mentioned purpose, the invention provides a kind of light source reflecting typed illuminating apparatus, it mainly comprises: an annular light-guiding shade, its bottom is gone up and is formed a bottom opening, and a plurality of photoconductions is set to structure on the interior sidewall surface of annular light-guiding shade; At least one light source embeds on the annular light-guiding shade interior sidewall surface, and the relative photoconduction of the direction of illumination of this light source is to structure; An and reflector, be positioned on this annular light-guiding shade and the top cover of looping light-guiding shade, wherein this photoconduction is to structure guiding part light outgoing by the bottom opening of annular light-guiding shade that light source produced, and the light of guiding remainder arrives reflector, this reflector reflection ray and make light be evenly distributed state and the outgoing by the bottom opening of annular light-guiding shade.
By above-mentioned technological means, photoconduction matches and light is directed into a suitable exit direction uniformly to structure and reflector, can effectively improve the light source utilization rate, and the intense light of avoiding light source directly to penetrate causes dazzle, soft and possess the illumination of suitable intensity so that user one to be provided.
Description of drawings
Fig. 1 is the front section view of first embodiment of the invention.
Fig. 2 is the front section view of second embodiment of the invention.
Fig. 3 is the front section view of third embodiment of the invention.
Fig. 4 is an amplification view of the present invention.
Fig. 5 is the front section view of fourth embodiment of the invention.
Fig. 6 is the front section view of fifth embodiment of the invention.
Fig. 7 is the front section view of sixth embodiment of the invention.
Fig. 8 is the face upwarding view of one embodiment of the invention.
Fig. 9 is the face upwarding view of another embodiment of the present invention.
Figure 10 is the front section view of known lighting device.
Figure 11 is the front view of known illumination system.
The drawing reference numeral explanation:
(10) the annular light-guiding shade of annular light-guiding shade (10a)
(11) photoconduction is to structure (20) light source
(30) reflector (30a) reflector
(30b) the circular lines of reflector (301)
(31) photoconduction is to structure (40) metal reflective layer
(80) shell (81) lighting unit
(821) optical system (822) light emitting diode
(90) light-guiding shade (91) light emitting diode
The specific embodiment
Please refer to Fig. 1, wherein be first embodiment of light source reflecting typed illuminating apparatus of the present invention, comprise an annular light-guiding shade 10, an at least one light source 20 and a reflector 30; Wherein:
One top opening and bottom opening are formed respectively on these annular light-guiding shade 10 tops and bottom, and the vertical section of its sidewall is a circular arc, be formed with several ringwise photoconduction to structure 11 on these annular light-guiding shade 10 interior sidewall surface, in the present embodiment, photoconduction is a plurality of sawtooth of arranging along a camber line to the vertical section of structure 11.
This light source 20 embeds the interior sidewall surface of annular light-guiding shade 10, and the relative photoconduction of the direction of illumination of light source 20 is to structure 11, light source 20 can be a bulb or a light emitting diode (Light EmittingDiode, LED), because the volume of LED is small and light skilful, is preferable light source; In addition, when light source 20 when being a plurality of, light source 20 arrange in the form of a ring and equal distribution within annular light-guiding shade 10 interior sidewall surface.
This reflector 30 is positioned on the top opening of annular light-guiding shade 10 and the top cover reflector 30 of looping light-guiding shade 10, it can be integrally formed on annular light-guiding shade 10, mutually combine after also can making respectively with annular light-guiding shade 10, in the present embodiment, reflector 30 is concave mirror, paraboloidal mirror or the spherical mirror of a concave surface towards annular light-guiding shade 10 bottom openings.
When light source reflecting typed illuminating apparatus of the present invention operates, the light that this photoconduction is produced to structure 11 reflection sources 20, leader light penetrates by the bottom opening of annular light-guiding shade 10, and guide remaining light and arrive reflector 30, be evenly distributed state and the bottom opening by annular light-guiding shade 10 of the reflection ray of this reflector 30 penetrates.
Please refer to Fig. 2, second embodiment of the invention is roughly identical with first embodiment, only difference be in a Fresnel Lenses (Fresnel Lens) as reflector 30a, wherein Fresnel Lenses is formed with a plurality of circular lines of arranging in the concentric circles mode 301 on the one side of annular light-guiding shade 11 bottom openings, because the peculiar structure that this circle lines 301 is a Fresnel Lenses, and be this field known technology, so do not give unnecessary details its detailed features and formation method in addition; Fresnel Lenses becomes a tabular haply, its volume concave mirror in first embodiment etc. presents the reflector 30 of circular arc outward appearance, die with frivolous Fresnel Lenses as reflector 30a, except reaching the optical function of original concave mirror equally, more can significantly reduce the volume and the weight of lighting device integral body.
Please refer to Fig. 3, be third embodiment of the invention, it is roughly identical with first embodiment, only not existing together is as reflector 30b with a level crossing, it is comparatively not enough that its even distribution effect to light is compared with concave mirror, paraboloidal mirror, spherical mirror and Fresnel Lenses among aforementioned each embodiment, but still have as the small and light advantage of volume as the Fresnel Lenses.
Please refer to Fig. 4, in order to improve the reflectivity of photoconduction, can on the inboard of the surface of structure 11 and reflector 30,30a, 30b, electroplate a metal reflective layer 40 at photoconduction to structure 11 and reflector 30,30a, 30b.
Please refer to Fig. 5, fourth embodiment of the invention is roughly identical with first embodiment, only not existing together is the annular light-guiding shade 10 that has the circular arc vertical section among first embodiment to simplify, calculate the slope of circular arc section, and simplify annular light-guiding shade 10 according to this slope and obtain an annular light-guiding shade 10a with tiltedly straight vertical section, 10a is trapezoidal by presenting of a side sight for this annular light-guiding shade, so the photoconduction that distributes thereon presents a plurality of sawtooth of arranging along a skew lines to the vertical cross section of structure 11, and than the 10 easy processing and manufacturings of circular arc light-guiding shade.
Please refer to Fig. 6, fifth embodiment of the invention is roughly identical with first embodiment, only difference be in first embodiment, have the vertical direction section be jagged each photoconduction to structure 11 corrects, and become have the circular arc section photoconduction to structure 11a.
Please refer to Fig. 7, sixth embodiment of the invention is roughly identical with first embodiment, only different being in is provided with a plurality of have the sawtooth section or the ring light guide frames 31 of circular arc section on the concave surface of reflector 30, by this, can further increase the uniformity coefficient of emergent ray.
Please refer to Fig. 8 and Fig. 9, the section of the preceding annular light-guiding shade 10 that reaches, 10a horizontal direction also can be quadrangle, polygonal (as pentagon or octagonal or the like) or ellipse except presenting positive circle, be not only to be confined to single section shape; In addition, the photoconduction in annular light-guiding shade 10, the 10a also can be simultaneously in conjunction with multiple section shape to structure 11,11a; In addition, the spacing of each adjacent light guide frame 11,11a can be equidistant or other variable range, and wherein reflector can form in integrally formed or independent respectively assembling.
By above-mentioned technological means, the photoconduction of annular light-guiding shade 10,10a matches and light is directed into a suitable exit direction uniformly to structure 11,11a and reflector 30,30a, 30b, can effectively improve the light source utilization rate, and the intense light of avoiding light source directly to penetrate causes dazzle, and is soft and possess the illumination of suitable intensity so that user one to be provided.
Though the present invention discloses with specific embodiment; but it is not in order to limit the present invention; any those skilled in the art; the displacement of the equivalent assemblies of under the prerequisite that does not break away from design of the present invention and scope, having done; or, all should still belong to the category that this patent is contained according to equivalent variations and modification that scope of patent protection of the present invention is done.
Claims (11)
1. a light source reflecting typed illuminating apparatus is characterized in that, comprises:
One annular light-guiding shade, its bottom is gone up and is formed a bottom opening, a plurality of photoconductions is set to structure on the interior sidewall surface of annular light-guiding shade;
At least one light source embeds on the annular light-guiding shade interior sidewall surface, and the direction of illumination of this light source with respect to photoconduction to structure; And
One reflector is positioned on this annular light-guiding shade and the top cover of looping light-guiding shade, wherein:
This photoconduction is to structure guiding part light outgoing by the bottom opening of annular light-guiding shade that light source produced, and guide remaining light to arrive reflector, this reflector reflection ray and be evenly distributed state and the bottom opening by annular light-guiding shade of light penetrated.
2. light source reflecting typed illuminating apparatus as claimed in claim 1 is characterized in that, described light source is person one of in light emitting diode and the bulb.
3. light source reflecting typed illuminating apparatus as claimed in claim 1 is characterized in that, described reflector is the concave mirror of concave surface towards annular light-guiding shade bottom opening.
4. light source reflecting typed illuminating apparatus as claimed in claim 1 is characterized in that, described reflector is person one of in Fresnel Lenses and the level crossing.
5. light source reflecting typed illuminating apparatus as claimed in claim 1 is characterized in that, described annular light-guiding shade be the circular arc vertical section with tiltedly straight shape vertical section in one of.
6. light source reflecting typed illuminating apparatus as claimed in claim 1, it is characterized in that, described photoconduction is distributed on the annular light-guiding shade interior sidewall surface ringwise to structure, and photoconduction one of is in a plurality of sawtooth of arranging along a hatching line and the circular arc to the vertical section of structure.
7. light source reflecting typed illuminating apparatus as claimed in claim 1 is characterized in that, the horizontal direction section of described annular light-guiding shade is one of to be in positive circle, ellipse, quadrangle and the polygonal person.
8. light source reflecting typed illuminating apparatus as claimed in claim 1, it is characterized in that, each photoconduction of the part interior sidewall surface of described annular light-guiding shade has a sawtooth section respectively to structure, and each photoconduction of remainder interior sidewall surface has a circular arc section respectively to structure.
9. light source reflecting typed illuminating apparatus as claimed in claim 3 is characterized in that, a plurality of ring light guide frames that one of have in sawtooth and the circular arc vertical section are set on the concave surface of described reflector.
10. light source reflecting typed illuminating apparatus as claimed in claim 1 is characterized in that, described photoconduction is provided with a metal reflective layer on the inboard of the surface of structure and reflector.
11. light source reflecting typed illuminating apparatus as claimed in claim 3 is characterized in that, described reflector be spherical mirror and paraboloidal mirror one of them.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004101041556A CN100465504C (en) | 2004-12-30 | 2004-12-30 | Light source reflecting typed illuminating apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004101041556A CN100465504C (en) | 2004-12-30 | 2004-12-30 | Light source reflecting typed illuminating apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1796866A CN1796866A (en) | 2006-07-05 |
| CN100465504C true CN100465504C (en) | 2009-03-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004101041556A Expired - Fee Related CN100465504C (en) | 2004-12-30 | 2004-12-30 | Light source reflecting typed illuminating apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100465504C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013182966A1 (en) * | 2012-06-04 | 2013-12-12 | Koninklijke Philips N.V. | Lighting device with optical reflector, luminaire having such lighting device and method of manufacturing a compact optical reflector |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101963325B (en) * | 2009-07-21 | 2012-06-27 | 富士迈半导体精密工业（上海）有限公司 | Reflector and illumination device |
| CN102338299A (en) * | 2010-07-21 | 2012-02-01 | 比亚迪股份有限公司 | Circular-emitting lamp |
| CN102705778A (en) * | 2011-03-28 | 2012-10-03 | 海洋王照明科技股份有限公司 | Light-reflecting cup and lighting lamp |
| CN102155661A (en) * | 2011-04-07 | 2011-08-17 | 清华大学 | Lighting source device based on light emitting diode |
| CN103162117B (en) * | 2011-12-19 | 2016-12-28 | 海洋王照明科技股份有限公司 | Warning lamp |
| CN104662363B (en) * | 2012-06-04 | 2017-05-17 | 飞利浦照明控股有限公司 | Lighting device with optical reflector, luminaire having such lighting device and method of manufacturing a compact optical reflector |
| CN108105626B (en) * | 2017-12-29 | 2020-10-09 | 青岛市黄岛区中心医院 | Light limiting cover and sickbed lamp |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0241015A2 (en) * | 1986-04-08 | 1987-10-14 | Kurt Hesse | Light fixture |
| US6234645B1 (en) * | 1998-09-28 | 2001-05-22 | U.S. Philips Cororation | LED lighting system for producing white light |
| US6250774B1 (en) * | 1997-01-23 | 2001-06-26 | U.S. Philips Corp. | Luminaire |
-
2004
- 2004-12-30 CN CNB2004101041556A patent/CN100465504C/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0241015A2 (en) * | 1986-04-08 | 1987-10-14 | Kurt Hesse | Light fixture |
| US6250774B1 (en) * | 1997-01-23 | 2001-06-26 | U.S. Philips Corp. | Luminaire |
| US6234645B1 (en) * | 1998-09-28 | 2001-05-22 | U.S. Philips Cororation | LED lighting system for producing white light |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013182966A1 (en) * | 2012-06-04 | 2013-12-12 | Koninklijke Philips N.V. | Lighting device with optical reflector, luminaire having such lighting device and method of manufacturing a compact optical reflector |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1796866A (en) | 2006-07-05 |
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Granted publication date: 20090304 |