CN102620239B - Floodlight reflector and light emitting diode (LED) luminaire - Google Patents
Floodlight reflector and light emitting diode (LED) luminaire Download PDFInfo
- Publication number
- CN102620239B CN102620239B CN201110028581.6A CN201110028581A CN102620239B CN 102620239 B CN102620239 B CN 102620239B CN 201110028581 A CN201110028581 A CN 201110028581A CN 102620239 B CN102620239 B CN 102620239B
- Authority
- CN
- China
- Prior art keywords
- light source
- stretching
- source mouth
- floodlight reflector
- reflector
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Fee Related
Links
Abstract
The invention discloses a floodlight reflector and a light emitting diode (LED) luminaire. The floodlight reflector comprises a light source port corresponding to a light source and a light outlet corresponding to a light outlet position, the light source port and the light outlet are rectangular and defined by two first reflecting surfaces and two second reflecting surfaces, the two first reflecting surfaces are opposite and symmetrical to each other, the two second reflecting surfaces are opposite and symmetrical to each other, the first reflecting surfaces and the second reflecting surfaces are extruded surfaces, the first reflecting surfaces and the second reflecting surfaces have a first stretching generatrix and a second stretching generatrix respectively, the first stretching generatrix and the second stretching generatrix are polylines located on the same plane, the first stretching generatrix comprises six line segments which are connected end to end, an included angle of 8 to 12 degrees is formed between two ends of each of the line segments and a geometric center of the light source port, the second stretching generatrix comprises four line segments which are connected end to end, and an included angle of 8 to 12 degrees is formed between two ends of each of line segments of the second stretching generatrix and the geometric center of the light source port. Compared with LED luminaries in prior art, the floodlight reflector and the light emitting diode (LED) luminaire can be greatly reduced in size.
Description
Technical field
The present invention relates to LED (Light Emitting Diode, light emitting diode) technical field of lamps, more particularly, relate to a kind of floodlight reflector and LED lamp.
Background technology
Along with developing rapidly of high-power LED lamp, LED lamp becomes focus concerned in recent years with its low consumption, the characteristic such as durable, and the light efficiency of the light-configuration mode of LED lamp on light fixture has important impact.For LED street lamp, the luminous intensity distribution of LED street lamp in prior art, mostly adopts special LED lens luminous intensity distribution.For this mode, because LED lens can design smaller, thus more LED light source can be arranged in limited space, improve the illumination of light fixture on road surface.
But, adopt lens luminous intensity distribution, the decay of LED lamplight can be made to increase, thus reduce the efficiency of light fixture.
In the prior art, also have part LED street lamp to adopt reflector luminous intensity distribution, but unreasonable due to what design, the size of reflector is general all comparatively large, can meet the size of the single reflector of light distribution requirements close to 20mm × 40mm × 50mm.The reflector of this size can cause the volume of whole LED street lamp excessive, has both affected attractive in appearance, the increase manufacturing cost of light fixture.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of floodlight reflector, and it can realize the miniaturization of light fixture.
Another technical problem to be solved by this invention is to provide a kind of LED lamp, and it has above-mentioned floodlight reflector.
For floodlight reflector of the present invention, above-mentioned technical problem is solved like this: provide a kind of floodlight reflector, there is the light source mouth of corresponding light source setting and the light-emitting window of corresponding exit positions setting, described light source mouth and described light-emitting window are rectangle, and by be oppositely arranged and two of symmetry the first reflectings surface and two the second reflectings surface enclose and formed, described first reflecting surface and described second reflecting surface are Extrude Face, and there is the first stretching bus and the second stretching bus respectively, described first stretching bus and the second stretching bus are and are positioned at conplane multi-section-line, wherein said first stretching bus comprises six end to end line segments, angle between every bar line segment two ends and described light source mouth geometric center line is 8-12 °, described second stretching bus comprises four end to end line segments, angle between every bar line segment two ends and described light source mouth geometric center line is 8-12 °.
More specifically, in described first stretching bus, the angle between described line segment two ends and described light source mouth geometric center line is 10 °.
More specifically, in described second stretching bus, the angle between described line segment two ends and described light source mouth geometric center line is 10 °.
More specifically, in described first stretching bus, the angle between the line segment and described light source mouth place plane of described light source mouth is 52 °.
More specifically, in described second stretching bus, the angle between the line segment and described light source mouth place plane of described light source mouth is 61.5 °.
More specifically, described light source mouth is square.
More specifically, the length of side of described light source mouth is 8 millimeters.
More specifically, described two the first reflectings surface and two the second reflectings surface cross be provided with reflectance coating.
More specifically, described reflectance coating is aluminium film, and its reflectivity is higher than 75%.
For LED lamp of the present invention, above-mentioned technical problem is solved like this: provide a kind of LED lamp, comprise the multiple LED chip being positioned circuit board, also comprise the floodlight reflector that arrange corresponding to described multiple LED chip, described floodlight reflector has said structure.
Compared with prior art, the size of floodlight reflector of the present invention can significantly be reduced, and the floodlight reflector size made is not more than 21mm × 61mm × 18mm, and, adopt the light emitting anger of the LED lamp of aforementioned floodlight reflector can reach 20 ° × 100 °, uniformity of illuminance is high.
Accompanying drawing explanation
Fig. 1 is the schematic perspective view of floodlight reflector one of the present invention preferred embodiment;
Fig. 2 is schematic top plan view embodiment illustrated in fig. 1, and shows reference axis;
Fig. 3 is schematic side view embodiment illustrated in fig. 1, and shows reference axis;
Fig. 4 is schematic front view embodiment illustrated in fig. 1, and shows reference axis;
Fig. 5 be embodiment illustrated in fig. 1 in the structural representation of the first stretching bus, and show reference axis;
Fig. 6 be embodiment illustrated in fig. 1 in the structural representation of the second stretching bus, and show reference axis;
Fig. 7 is working state schematic representation embodiment illustrated in fig. 1;
Fig. 8 is the schematic front view of LED lamp of the present invention;
Fig. 9 is distribution curve flux figure embodiment illustrated in fig. 8.
Detailed description of the invention
In order to make technical problem to be solved by this invention, technical scheme and beneficial effect clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
Please refer to Fig. 1 to Fig. 4, for a preferred embodiment of floodlight reflector of the present invention, this floodlight reflector 1 has the light source mouth 11 of corresponding light source setting and the light-emitting window 12 of corresponding exit positions setting, described light source mouth 11 and described light-emitting window 12 are rectangle, and by be oppositely arranged and two of symmetry the first reflectings surface 13 and two the second reflectings surface 14 enclose and formed.Described first reflecting surface 13 and described second reflecting surface 14 are Extrude Face, and have the first stretching bus and the second stretching bus respectively.Described first stretching bus and the second stretching bus are and are positioned at conplane multi-section-line.Wherein said first stretching bus comprises six end to end line segments (i.e. line segment 131 shown in Fig. 5,132,133,134,135,136), and the angle between every bar line segment two ends and described light source mouth geometric center O line is 8-12 °.Described second stretching bus comprises four end to end line segments (i.e. line segment 141 shown in Fig. 6,142,143,144), and the angle between every bar line segment two ends and described light source mouth geometric center O line is also 8-12 °.Below the present embodiment is described further.
For convenience of description, in the present embodiment, with by light source mouth geometric center O and respectively perpendicular to two straight lines on light source mouth 11 both sides for X-axis and Y-axis, with by light source mouth geometric center O and respectively perpendicular to the straight line of light source mouth 11 place plane for Z axis, set up coordinate system.Then, the length of the corresponding floodlight reflector of X-axis and Y-axis and width, the height of Z axis then corresponding floodlight reflector.
Incorporated by reference to reference Fig. 5, in the present embodiment, for described first stretching bus, the angle between line segment 131,132,133,134,135,136 two ends and described light source mouth geometric center O line is 10 °.Angle between the line segment 131 and described light source mouth 11 place plane of described light source mouth 11 is 52 °, thus line segment 131 and the angle of Z axis in figure are 38 °, line segment 132 is 35.5 ° with the angle of Z axis in figure, line segment 133 is 28 ° with the angle of Z axis in figure, line segment 134 is 25.5 ° with the angle of Z axis in figure, line segment 135 is 18 ° with the angle of Z axis in figure, line segment 136 is 10.5 ° with the angle of Z axis in figure.
Incorporated by reference to reference Fig. 6, in the present embodiment, for described second stretching bus, line segment 141, 142, 143, angle between 144 two ends and described light source mouth geometric center O line is also 10 °, angle between the line segment 141 and described light source mouth 11 place plane of described light source mouth 11 is 61.5 °, thus, line segment 141 is 28.5 ° with the angle of Z axis in figure, line segment 142 is 18.5 ° with the angle of Z axis in figure, line segment 143 is 8.5 ° with the angle of Z axis in figure, line segment 144 is 60 ° with the angle of Z axis in figure, the length of line segment 144 can make the Extrude Face corresponding to line segment 144 concordant in the position of light-emitting window 12 with the Extrude Face corresponding to adjacent segments 136.
In the present embodiment, described light source mouth 11 is square, and its length of side is 8 millimeters.Namely above-mentioned condition and parameter determine the shape and size of the present embodiment floodlight reflector 1.The floodlight reflector made is of a size of 21mm × 61mm × 18mm.
In the present embodiment, described two the first reflectings surface 13 and two the second reflectings surface 14 cross and are provided with reflectance coating, can select reflectivity higher than 75% aluminium film as the reflectance coating of described floodlight reflector.
Incorporated by reference to reference to Fig. 7, be the present embodiment working state schematic representation, the light-emitting area of LED chip 2 is alignd with bottom floodlight reflector, and the center line of LED chip 2 overlaps with the center line of floodlight reflector, and the light-emitting area of LED chip 2 is towards the light-emitting window direction of floodlight reflector.
Like this, the light part that LED chip 2 sends directly is shot out, the injection after two the first reflectings surface 13 and two the second reflectings surface 14 reflect of other most light.Send and the light of directive reflector centerline side from LED chip 2, after reflector reflects, penetrated by reflector centerline opposite side, thus make the light through reflector reflects be interleaved mode injection.
Incorporated by reference to reference Fig. 8, be a preferred embodiment of LED lamp A of the present invention, this LED lamp A comprises the multiple LED chip 2 being positioned circuit board 3, also comprises the floodlight reflector 1 that arrange corresponding to described multiple LED chip 2.
The specific practice of the present embodiment is, circuit board 3 is provided with altogether 20 LEDs chips 2, and each floodlight reflector 1 corresponds to the LED chip of 1 3W, and as shown in the figure, both all arrange according to the mode of 4 × 5 position relationship of LED chip 2 and floodlight reflector 1.Light fixture space shared by 20 floodlight reflectors is less than 105mm × 244mm × 18mm.If adopt reflector luminous intensity distribution of the prior art, the bulk that the reflector so installing 20 LEDs chips takies will be at least 215mm × 175mm × 33.9mm.Therefore, the volume of the light fixture of the present embodiment is significantly reduced.
LED chip 2 is not when through reflection or refraction, and its luminescent ligand light characteristic meets lambert's body radiation law, and light emitting anger is about 120 degree.It is about 120 degree that the floodlight reflector of the present embodiment is applicable to light emitting anger, and diameter dimension is less than the LED chip of 8mm.Incorporated by reference to reference Fig. 9, the emergent light of LED chip after the reflection of the present embodiment floodlight reflector, its light emitting anger is about 20 × 100 degree, and realizes floodlighting in this region, has higher uniformity of illuminance.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (4)
1. a floodlight reflector, there is the light source mouth of corresponding light source setting and the light-emitting window of corresponding exit positions setting, it is characterized in that: described light source mouth and described light-emitting window are rectangle, and by be oppositely arranged and two of symmetry the first reflectings surface and two the second reflectings surface enclose and formed, described first reflecting surface and described second reflecting surface are Extrude Face, and there is the first stretching bus and the second stretching bus respectively, described first stretching bus and the second stretching bus are and are positioned at conplane multi-section-line, wherein said first stretching bus comprises six end to end line segments, angle between every bar line segment two ends and described light source mouth geometric center line is 10 °, and in described first stretching bus near the angle between the line segment of described light source mouth and described light source mouth place plane be 52 °, described second stretching bus comprises four end to end line segments, angle between every bar line segment two ends and described light source mouth geometric center line is 10 °, and in described second stretching bus near the angle between the line segment of described light source mouth and described light source mouth place plane be 61.5 °, described light source mouth is square, and its length of side is 8 millimeters.
2. floodlight reflector as claimed in claim 1, is characterized in that: on described two the first reflectings surface and two the second reflectings surface, plating is provided with reflectance coating.
3. floodlight reflector as claimed in claim 2, is characterized in that: described reflectance coating is aluminium film, and its reflectivity is higher than 75%.
4. a LED lamp, comprises the multiple LED chip being positioned circuit board, it is characterized in that: also comprise the floodlight reflector that arrange corresponding to described multiple LED chip, described floodlight reflector has the floodlight reflector as described in claim 1-3 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110028581.6A CN102620239B (en) | 2011-01-26 | 2011-01-26 | Floodlight reflector and light emitting diode (LED) luminaire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110028581.6A CN102620239B (en) | 2011-01-26 | 2011-01-26 | Floodlight reflector and light emitting diode (LED) luminaire |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102620239A CN102620239A (en) | 2012-08-01 |
| CN102620239B true CN102620239B (en) | 2015-04-29 |
Family
ID=46560339
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110028581.6A Expired - Fee Related CN102620239B (en) | 2011-01-26 | 2011-01-26 | Floodlight reflector and light emitting diode (LED) luminaire |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102620239B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101720405A (en) * | 2008-07-31 | 2010-06-02 | 香港应用科技研究院有限公司 | Optical reflector |
| CN101725903A (en) * | 2008-10-31 | 2010-06-09 | 台达电子工业股份有限公司 | Illuminating device and light reflecting cover thereof |
| CN101832509A (en) * | 2010-05-19 | 2010-09-15 | 海洋王照明科技股份有限公司 | Floodlight reflector, floodlight and powerboat |
-
2011
- 2011-01-26 CN CN201110028581.6A patent/CN102620239B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101720405A (en) * | 2008-07-31 | 2010-06-02 | 香港应用科技研究院有限公司 | Optical reflector |
| CN101725903A (en) * | 2008-10-31 | 2010-06-09 | 台达电子工业股份有限公司 | Illuminating device and light reflecting cover thereof |
| CN101832509A (en) * | 2010-05-19 | 2010-09-15 | 海洋王照明科技股份有限公司 | Floodlight reflector, floodlight and powerboat |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102620239A (en) | 2012-08-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7794119B2 (en) | Solid state optical system | |
| US8317367B2 (en) | Solid state optical system | |
| US20110228528A1 (en) | Retrofit-style lamp and fixture, each including a one-dimensional linear batwing lens | |
| US9518705B2 (en) | Lens and an illumination device having the lens | |
| CN101984284A (en) | Reflective LED grille lamp | |
| CN102162625A (en) | Large-angle LED and LED lamp | |
| TWM461760U (en) | Optical lens and light source device | |
| CN101832513A (en) | Floodlight reflector, floodlight and powerboat | |
| CN101832511B (en) | Floodlight reflector, floodlight and powerboat | |
| CN201858574U (en) | Reflecting LED grille lamp | |
| CN102620238B (en) | Floodlight reflector and light-emitting diode (LED) lamp | |
| CN102620236B (en) | Floodlight reflector and LED lamp | |
| CN204026514U (en) | All-round smooth LED | |
| CN102620239B (en) | Floodlight reflector and light emitting diode (LED) luminaire | |
| CN102620237B (en) | Floodlight reflector and LED (Light-Emitting Diode) lamp | |
| CN102620240B (en) | Rectangular light distribution reflector and LED (light-emitting diode) lamp | |
| CN102606913A (en) | Large-angle LED (light emitting diode) lamp | |
| CN202947076U (en) | Lens, light-emitting diode (LED) device with lens and LED lamps and lanterns | |
| AU2014224143A1 (en) | Led road lamp | |
| CN102759069B (en) | Light emitting diode (LED) reflector and LED lamp | |
| CN105276383B (en) | Semiconductor lighting device | |
| CN104566226A (en) | Reflector with spotlight and floodlight effects, lamp assembly and flashlight | |
| CN102444859A (en) | Light distribution lens for LED (light emitting diode) multi-core light source street lamp | |
| CN102759072B (en) | LED (Light Emitting Diode) floodlight reflector and LED light fitting | |
| CN102759070B (en) | Rectangular floodlight reflector and LED (Light Emitting Diode) light fitting |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150429 Termination date: 20190126 |