CN101634438A - Lighting device - Google Patents
Lighting device Download PDFInfo
- Publication number
- CN101634438A CN101634438A CN200810303024A CN200810303024A CN101634438A CN 101634438 A CN101634438 A CN 101634438A CN 200810303024 A CN200810303024 A CN 200810303024A CN 200810303024 A CN200810303024 A CN 200810303024A CN 101634438 A CN101634438 A CN 101634438A
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- lampshade
- light
- lighting device
- reflective surface
- supporter
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Abstract
A lighting device comprises a light-emitting module, a lampshade and a supporting body, wherein, the light-emitting module is provided with a light-emitting surface; the lampshade is provided with a reflecting surface which is arranged opposite to the light-emitting surface of the light-emitting module and is used for receiving the light sent out by the light-emitting surface and reflecting the light; the light-emitting module and the lampshade are respectively arranged on the supporting body; the lampshade is pivoted with the supporting body to enable the lampshade to be rotated a predetermined angle relative to the light-emitting module.
Description
Technical field
The present invention relates to a kind of lighting device, relate in particular to a kind of light emitting diode illuminating apparatus.
Background technology
At present, light emitting diode (Light Emitting Diode, LED) low in energy consumption because of having, the life-span is long, volume is little and characteristic such as brightness height has been widely applied to a lot of fields.At this, a kind of novel light-emitting diode can be referring to people such as Daniel A.Steigerwald at document IEEE Journal on Selected Topics in QuantumElectronics, Vol.8, No.2, Illumination With Solid StateLighting Technology one literary composition among the March/April 2002.
Light emitting diode can be applicable to light source module, for example street lamp.The rising angle of light emitting diode is generally 90 degree to 120 degree, the light intensity of its central authorities (beam angle is about 0 degree to 30 degree) is stronger, light intensity on every side a little less than, cause the bright dipping of whole light source module inhomogeneous, range of exposures is less, and range of exposures is fixed, and can not adjust flexibly, thereby feasible application with light source module of this light emitting diode is subjected to certain restriction.
Summary of the invention
To a kind of range of exposures adjustable lighting apparatus be described with embodiment below.
A kind of lighting device, it comprises: an illuminating module, a lampshade and a supporter.This illuminating module has a light-emitting area, and this lampshade has a reflective surface, and the light-emitting area of this reflective surface and this illuminating module is oppositely arranged, and this reflective surface reflects away in order to the light that receives this light-emitting area and send and with it.This illuminating module and this lampshade are separately positioned on this supporter, and this lampshade is pivotally connected with this supporter so that relative this illuminating module rotation predetermined angular of this lampshade.
With respect to prior art, the light that the illuminating module of described lighting device is sent is incident to the reflective surface of this lampshade and penetrates, simultaneously, this lampshade and this supporter are pivotally connected, this lampshade can rotate around this supporter, and this illuminating module is rotated predetermined angular relatively, therefore, shooting angle can be changed, thereby the range of exposures of this lighting device can be effectively regulated via this reflective surface light reflected.
Description of drawings
Fig. 1 is the side view that light that lighting device that first embodiment of the invention provides sends is dispersed after the lampshade reflection.
Fig. 2 is light that lighting device that first embodiment of the invention provides sends converges at any after the lampshade reflection a side view.
Fig. 3 is the side view that light that lighting device that second embodiment of the invention provides sends is dispersed after the lampshade reflection.
Fig. 4 is light that lighting device that second embodiment of the invention provides sends converges at any after the lampshade reflection a side view.
Fig. 5 is the side view of the light that sends of lighting device that second embodiment of the invention provides through lampshade reflection back expansion irradiated area.
Fig. 6 is light that lighting device that second embodiment of the invention provides sends converges at two zones after the lampshade reflection a side view.
The specific embodiment
Below in conjunction with accompanying drawing embodiment of the present invention is described in further detail.
See also Fig. 1, a kind of lighting device 20 that first embodiment of the invention provides, it comprises: 21, one lampshades 22 of an illuminating module and a supporter 23.
This illuminating module 21 comprises a substrate 211 and a plurality of light source 212 that is arranged on this substrate 211.This light source 212 can be light-emitting diode chip for backlight unit, light emitting diode, perhaps light emitting diode module.
This lampshade 22 is oppositely arranged with this illuminating module 21, and this lampshade 22 has a reflective surface 221, this reflective surface 221 with should be a plurality of light source 212 relative, the light that sends of these a plurality of light sources 212 is incident to the also ejaculation of reflective surface 221 of this lampshade 22.
This illuminating module 21 is arranged on this supporter 23 with this lampshade 22, and this lampshade 22 is pivotally connected with this supporter 23, so that these lampshade 22 relative these illuminating module 21 rotation predetermined angulars.Preferably, this lampshade 22 is connected with this supporter 23 by screw rod 231.
A side that deviates from these a plurality of light sources 212 of this substrate 211 is provided with heat radiation module 24, and this heat radiation module 24 can be fin, metallic heat radiating plate etc.Preferably, this reflective surface 221 is a fully reflecting surface.
The reflective surface 221 that the light that these a plurality of light sources 212 send is incident to this lampshade 22 reflects, and the emergent ray that obtains dispersing has increased the illumination zone of this lighting device 20.
The light that these a plurality of light sources 212 send is incident to the reflective surface 221 of this lampshade 22 and penetrates.Because this lampshade 22 can be around this screw rod 231 rotation predetermined angulars, thereby change the size of angle of emergence θ 1 that light that these a plurality of light sources 212 send is incident to the reflective surface 221 of this lampshade 22, penetrate scope to obtain different illumination.
As shown in Figure 2, this lampshade 22 is behind predetermined angular of these screw rod 231 rotations, and the reflective surface 221 that the light that these a plurality of light sources 212 send is incident to this lampshade 22 reflects, and its angle of emergence becomes θ 2 by θ 1, the emergent ray that obtains converging has increased the brightness of illumination of this lighting device 20.
See also Fig. 3, a kind of lighting device 30 that second embodiment of the invention provides, itself and first embodiment are basic identical, and this lighting device 30 comprises: 31, one lampshades 32 of an illuminating module and a supporter 33.
The present embodiment and the first embodiment difference are, this lampshade 32 comprises one first lampshade unit 321 and one second lampshade unit 322, this first lampshade unit 321 is connected with this supporter 33 by screw rod 331 with an adjacent end of this second lampshade unit 322, so that this this first lampshade unit 321 and this second lampshade unit 322 relative these illuminating module 31 rotation predetermined angulars.
This illuminating module 31 comprises a substrate 311 and a plurality of light source 312 that is arranged on this substrate 311.These a plurality of light sources 312 are oppositely arranged with this first lampshade unit 321 and this second lampshade unit 322.
This first lampshade unit 321 comprises one first reflective surface 3211, and this second lampshade unit 322 comprises one second reflective surface 3211, and this first reflective surface 3211 and this second reflective surface 3211 are relative with this a plurality of light source 312.
The light that these a plurality of light sources 312 send reflects through first reflective surface 3211 and second reflective surface 3221, and divergence of beam also penetrates, thereby has increased the illumination zone of this lighting device 30.
This first lampshade unit 321 is fixed on this supporter 33 with this second lampshade unit 322 by screw rod 331 and can rotates predetermined angulars around this screw rod 331, to change the size that light that these a plurality of light sources 312 send is incident to the angle of emergence θ 3 of first reflective surface 3211 of this lampshade 32 and second reflective surface 3221, penetrate scope thereby obtain different illumination.
As shown in Figure 4, this first lampshade unit 321 of this lampshade 32 and this second lampshade unit 322 are behind predetermined angular of these screw rod 331 rotations, so that the light that these a plurality of light sources 312 send is incident to first reflective surface 3211 of this lampshade 32 and the incidence angle of second reflective surface 3221 is θ 4, obtain converging at the emergent ray of a bit, thereby increased the brightness of illumination of this lighting device 30.
As shown in Figure 5, this first lampshade unit 321 of this lampshade 32 and this second lampshade unit 322 are behind predetermined angular of these screw rod 331 rotations, the angle of emergence that the light that these a plurality of light sources 312 send is incident to first reflective surface 3211 and second reflective surface 3221 is θ 5, obtain converging at the emergent ray in a zone, so that the illumination zone of this lighting device 30 is wider, and brightness is higher.
As shown in Figure 6, this first lampshade unit 321 of this lampshade 32 and this second lampshade unit 322 are behind predetermined angular of these screw rod 331 rotations, the angle of emergence that the light that these a plurality of light sources 312 send is incident to this first reflective surface 3211 and second reflective surface 3221 is θ 6, obtains converging at the emergent ray of two zoness of different.
Be understandable that those skilled in the art also can do other variation and be used for design of the present invention in spirit of the present invention, as long as it does not depart from technique effect of the present invention and all can.As make this lampshade 32 around these screw rod 331 other predetermined angulars of rotation; thereby adjust the rising angle of this illuminating module 31; obtain other different illumination zones; reach or change lampshade 22,32; and/or the shape of lampshade unit 321,322; the variation that these are done according to spirit of the present invention all should be included within the present invention's scope required for protection.
Claims (8)
1. lighting device, it comprises: an illuminating module, a lampshade and a supporter, this illuminating module has a light-emitting area, this lampshade has a reflective surface, the light-emitting area of this reflective surface and this illuminating module is oppositely arranged, and this reflective surface reflects away in order to the light that receives this light-emitting area and send and with it; It is characterized in that:
This illuminating module and this lampshade are separately positioned on this supporter, and this lampshade is pivotally connected with this supporter so that relative this illuminating module rotation predetermined angular of this lampshade.
2. lighting device as claimed in claim 1, it is characterized in that, this lampshade comprises that one first lampshade unit and one second lampshade unit are separately positioned on the both sides of this supporter, and an adjacent end and this supporter of this first lampshade unit and the second lampshade unit are pivotally connected.
3. lighting device as claimed in claim 1 is characterized in that, it is characterized in that, this illuminating module comprises a substrate and a plurality of light source that is arranged on this substrate, and the surface that is provided with light source of this substrate is described light-emitting area.
4. lighting device as claimed in claim 3 is characterized in that, this light source is a light emitting diode.
5. lighting device as claimed in claim 1 is characterized in that, the side away from this light-emitting area of this illuminating module is provided with the heat radiation module.
6. lighting device as claimed in claim 5 is characterized in that, this heat radiation module comprises fin.
7. lighting device as claimed in claim 1 is characterized in that, the reflective surface of this lampshade is a fully reflecting surface.
8. lighting device as claimed in claim 1 is characterized in that, this lampshade is connected with this supporter by screw rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810303024A CN101634438A (en) | 2008-07-24 | 2008-07-24 | Lighting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810303024A CN101634438A (en) | 2008-07-24 | 2008-07-24 | Lighting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101634438A true CN101634438A (en) | 2010-01-27 |
Family
ID=41593710
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200810303024A Pending CN101634438A (en) | 2008-07-24 | 2008-07-24 | Lighting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101634438A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102519022A (en) * | 2011-08-08 | 2012-06-27 | 友达光电股份有限公司 | Lamp and space partition board combined with same |
| CN102767718A (en) * | 2011-07-26 | 2012-11-07 | 梁子为 | Illumination device capable of separating illuminating lamp light source |
| CN103775975A (en) * | 2014-01-30 | 2014-05-07 | 上海战古电子科技有限公司 | Lighting device with novel light path structure |
| CN106151897A (en) * | 2016-06-27 | 2016-11-23 | 王建标 | Led |
| CN106641903A (en) * | 2016-11-25 | 2017-05-10 | 横店集团得邦照明股份有限公司 | LED down lamp with rotating structure and realizing method thereof |
| CN109563980A (en) * | 2016-07-29 | 2019-04-02 | 飞利浦照明控股有限公司 | Lighting module and lamps and lanterns |
| CN114697482A (en) * | 2020-12-30 | 2022-07-01 | 杭州海康威视数字技术股份有限公司 | Dome camera |
| CN114764207A (en) * | 2020-12-30 | 2022-07-19 | 杭州海康威视数字技术股份有限公司 | A light filling lamp and dome camera for dome camera |
| WO2023103214A1 (en) * | 2021-12-09 | 2023-06-15 | 同辉电子科技股份有限公司 | Urban street lamp system capable of eliminating alternating shadow lines |
-
2008
- 2008-07-24 CN CN200810303024A patent/CN101634438A/en active Pending
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102767718A (en) * | 2011-07-26 | 2012-11-07 | 梁子为 | Illumination device capable of separating illuminating lamp light source |
| CN102767718B (en) * | 2011-07-26 | 2014-10-22 | 梁子为 | Illumination device capable of separating illuminating lamp light source |
| CN102519022A (en) * | 2011-08-08 | 2012-06-27 | 友达光电股份有限公司 | Lamp and space partition board combined with same |
| CN103775975A (en) * | 2014-01-30 | 2014-05-07 | 上海战古电子科技有限公司 | Lighting device with novel light path structure |
| CN106151897A (en) * | 2016-06-27 | 2016-11-23 | 王建标 | Led |
| CN109563980A (en) * | 2016-07-29 | 2019-04-02 | 飞利浦照明控股有限公司 | Lighting module and lamps and lanterns |
| US10677424B2 (en) | 2016-07-29 | 2020-06-09 | Signify Holding B.V. | Lighting module and a luminaire |
| CN106641903A (en) * | 2016-11-25 | 2017-05-10 | 横店集团得邦照明股份有限公司 | LED down lamp with rotating structure and realizing method thereof |
| CN114697482A (en) * | 2020-12-30 | 2022-07-01 | 杭州海康威视数字技术股份有限公司 | Dome camera |
| CN114764207A (en) * | 2020-12-30 | 2022-07-19 | 杭州海康威视数字技术股份有限公司 | A light filling lamp and dome camera for dome camera |
| CN114764207B (en) * | 2020-12-30 | 2023-08-25 | 杭州海康威视数字技术股份有限公司 | Light supplementing lamp for dome camera and dome camera |
| CN114697482B (en) * | 2020-12-30 | 2023-08-29 | 杭州海康威视数字技术股份有限公司 | Hemispherical camera |
| WO2023103214A1 (en) * | 2021-12-09 | 2023-06-15 | 同辉电子科技股份有限公司 | Urban street lamp system capable of eliminating alternating shadow lines |
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| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20100127 |