CN102620236A - Floodlight reflector and LED lamp - Google Patents
Floodlight reflector and LED lamp Download PDFInfo
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- CN102620236A CN102620236A CN2011100281919A CN201110028191A CN102620236A CN 102620236 A CN102620236 A CN 102620236A CN 2011100281919 A CN2011100281919 A CN 2011100281919A CN 201110028191 A CN201110028191 A CN 201110028191A CN 102620236 A CN102620236 A CN 102620236A
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- light source
- stretching
- source mouth
- line segment
- floodlight reflector
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Abstract
The invention discloses a floodlight reflector and an LED lamp. The floodlight reflector is provided with a light source mouth arranged corresponding to a light source and a light emergence mouth arranged corresponding to a light emergence position; both the light source mouth and the light emergence mouth are rectangles, and are formed and surrounded by two first reflecting surfaces and two second reflecting surfaces which are oppositely arranged and symmetrical; all of the first reflecting surfaces and the second reflecting surfaces are stretching surfaces and are provided with first stretching generatrices and second stretching generatrices respectively; the first stretching generatrices and second stretching generatrices are multi-section lines in the same plane; each first stretching generatrix includes six line segments connected end to end, and the included angle between connection lines of two ends of each line segment and the geometric center of the light source mouth ranges from 8 degrees to 12 degrees; and each second stretching generatrix includes five line segments connected end to end, and the included angle between connection lines of two ends of each line segment and the geometric center of the light source mouth ranges from 8 degrees to 12 degrees. Compared with the prior art, the sizes of the floodlight reflector and the LED lamp can be greatly reduced.
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 light fixture.
Background technology
Along with developing rapidly of high-power LED lamp, the LED light fixture becomes the focus of being paid close attention in recent years with its low consumption, characteristic such as durable, and the light-configuration mode of LED light fixture is to the light efficiency important influence of light fixture.With the LED street lamp is example, and the luminous intensity distribution of LED street lamp in the prior art mostly adopts special LED lens luminous intensity distribution.For this mode, because the LED lens can design smallerly, thereby can in limited space, arrange more led light source, improve the illumination of light fixture on the road surface.
But, adopt the lens luminous intensity distribution, the decay of LED light is increased, thereby reduce the efficient of light fixture.
In the prior art, also have partial L ED street lamp to adopt the reflector luminous intensity distribution, still, because design is unreasonable, the size of reflector is generally all bigger, and the size of single reflector that can satisfy light distribution requirements is near 20mm * 40mm * 50mm.The reflector of this size can cause the volume of whole LED street lamp excessive, has both influenced 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 light fixture, and it has above-mentioned floodlight reflector.
For floodlight reflector of the present invention; Above-mentioned technical problem is solved like this: a kind of floodlight reflector is provided; Light source mouth with corresponding light source setting goes out the light-emitting window that optical position is provided with correspondence; Said light source mouth and said light-emitting window are rectangle, and by be oppositely arranged and two first reflectings surface of symmetry and two second reflectings surface surround form, said first reflecting surface and said second reflecting surface are stretching face; And have the first stretching bus and the second stretching bus respectively; The said first stretching bus and the second stretching bus are and are positioned at conplane multistage line, and the wherein said first stretching bus comprises six end to end line segments, and the angle between every line segment two ends and the said light source mouth geometric center line is 8-12 °; The said second stretching bus comprises five end to end line segments, and the angle between every line segment two ends and the said light source mouth geometric center line is 8-12 °.
More specifically, in the said first stretching bus, the angle between said line segment two ends and the said light source mouth geometric center line is 10 °.
More specifically, in the said second stretching bus, the angle between said line segment two ends and the said light source mouth geometric center line is 10 °.
More specifically, in the said first stretching bus, it is 52 ° near the line segment of said light source mouth and the angle between the plane, said light source mouth place.
More specifically, in the said second stretching bus, it is 53.5 ° near the line segment of said light source mouth and the angle between the plane, said light source mouth place.
More specifically, said light source mouth is a square.
More specifically, the length of side of said light source mouth is 8 millimeters.
More specifically, cross on said two first reflectings surface and two second reflectings surface and be provided with reflectance coating.
More specifically, said reflectance coating is the aluminium film, and its reflectivity is higher than 75%.
For LED light fixture of the present invention; Above-mentioned technical problem is solved like this: a kind of LED light fixture is provided; Comprise a plurality of led chips that are positioned circuit board, comprise also and the floodlight reflector of the corresponding setting of said a plurality of led chips that said floodlight reflector has said structure.
Compared with prior art; The size of floodlight reflector of the present invention can be dwindled significantly, and the floodlight reflector size of processing is not more than 21mm * 42mm * 18mm, and; Adopt the luminous angle of the LED light fixture of aforementioned floodlight reflector can reach 20 ° * 80 °, uniformity of illuminance is high.
Description of drawings
Fig. 1 is the schematic perspective view of floodlight reflector one preferred embodiment of the present invention;
Fig. 2 is a schematic top plan view embodiment illustrated in fig. 1, and shows reference axis;
Fig. 3 is a schematic side view embodiment illustrated in fig. 1, and shows reference axis;
Fig. 4 is that master embodiment illustrated in fig. 1 looks sketch map, 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 a working state schematic representation embodiment illustrated in fig. 1;
Fig. 8 is that the master of LED light fixture of the present invention looks sketch map;
Fig. 9 is distribution curve flux figure embodiment illustrated in fig. 8.
The specific embodiment
In order to make technical problem to be solved by this invention, technical scheme and beneficial effect clearer,, the present invention is further elaborated below in conjunction with accompanying drawing and embodiment.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
Please referring to figs. 1 through Fig. 4; Preferred embodiment for floodlight reflector of the present invention; The light source mouth 11 that this floodlight reflector 1 has the corresponding light source setting goes out the light-emitting window 12 that optical position is provided with correspondence; Said light source mouth 11 is rectangle with said light-emitting window 12, and by be oppositely arranged and two first reflectings surface 13 of symmetry and two second reflectings surface 14 surround form.Said first reflecting surface 13 is stretching face with said second reflecting surface 14, and has the first stretching bus and the second stretching bus respectively.The said first stretching bus and the second stretching bus are and are positioned at conplane multistage line.The wherein said first stretching bus comprises six end to end line segments (being line segment 131,132,133,134,135,136 shown in Figure 5), and the angle between every line segment two ends and the said light source mouth geometric center O line is 8-12 °.The said second stretching bus comprises five end to end line segments (being line segment 141,142,143,144,145 shown in Figure 6), and the angle between every line segment two ends and the said light source mouth geometric center O line also is 8-12 °.Below present embodiment is described further.
Be convenient explanation; In the present embodiment; To be X axle and Y axle perpendicular to two straight lines on light source mouth 11 both sides respectively also,, set up coordinate system to be the Z axle perpendicular to the straight line on plane, light source mouth 11 place respectively also through light source mouth geometric center O through light source mouth geometric center O.Then, the length and the width of the corresponding floodlight reflector of X axle and Y axle, the Z axle is the height of corresponding floodlight reflector then.
Please combine with reference to Fig. 5, in the present embodiment, for the said first stretching bus, the angle between line segment 131,132,133,134,135,136 two ends and the said light source mouth geometric center O line is 10 °.Near the line segment 131 of said light source mouth 11 and the angle between the plane, said light source mouth 11 place is 52 °; Thereby, among line segment 131 and the figure angle of Z axle be 38 °, line segment 132 with figure in the angle of Z axle be 35.5 °, line segment 133 with figure in the angle of Z axle be 28 °, line segment 134 with figure in the angle of Z axle be 25.5 °, line segment 135 with figure in the angle of Z axle be 18 °, line segment 136 with figure in the angle of Z axle be 10.5 °.
Please combine with reference to Fig. 6; In the present embodiment; For the said second stretching bus; Angle between line segment 141,142,143,144,145 two ends and the said light source mouth geometric center O line also is 10 °; Near the line segment 141 of said light source mouth 11 and the angle between the plane, said light source mouth 11 place is 53.5 °; Thereby, among line segment 141 and the figure angle of Z axle be 36.5 °, line segment 142 with figure in the angle of Z axle be 26.5 °, line segment 143 with figure in the angle of Z axle be 16.5 °, line segment 144 with figure in the angle of Z axle be 6.5 °, line segment 145 with figure in the angle of Z axle be 50 °, the length of line segment 145 can be so that line segment 145 pairing stretching faces be concordant in the position of light-emitting window 12 with adjacent segments 136 pairing stretching faces.
In the present embodiment, said light source mouth 11 is a square, and its length of side is 8 millimeters.Above-mentioned condition and parameter have promptly determined the shape and size of present embodiment floodlight reflector 1.The floodlight reflector of processing is of a size of 21mm * 42mm * 18mm.
In the present embodiment, cross on said two first reflectings surface 13 and two second reflectings surface 14 and be provided with reflectance coating, can select reflectivity to be higher than 75% aluminium film reflectance coating as said floodlight reflector.
Please combine with reference to Fig. 7, be the present embodiment working state schematic representation, the light-emitting area of led chip 2 is alignd with the floodlight reflector bottom, the center line of led chip 2 and the central lines 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 penetrates goes, and other most light penetrate through two first reflectings surface 13 and two second reflecting surface 14 reflection backs.Send and the light of directive reflector center line one side from led chip 2,, penetrate, penetrate thereby make light through reflector reflects be the intersection mode by reflector center line opposite side through after the reflector reflects.
Please combine with reference to Fig. 8, be the preferred embodiment of LED light fixture A of the present invention, this LED light fixture A comprises a plurality of led chips 2 that are positioned circuit board 3, also comprises the floodlight reflector 1 with said a plurality of led chip 2 corresponding settings.
The specific practice of present embodiment is, is provided with 20 LEDs chips 2 on the circuit board 3 altogether, and each floodlight reflector 1 is corresponding to the led chip of 1 3W, and led chip 2 is as shown in the figure with the position relation of floodlight reflector 1, and both all arrange according to 4 * 5 mode.The shared light fixture space of 20 floodlight reflectors is less than 105mm * 168mm * 18mm.If adopt reflector luminous intensity distribution of the prior art, the reflector occupation space size that 20 LEDs chips are installed so will be at least 215mm * 175mm * 33.9mm.Therefore, the volume of the light fixture of present embodiment is able to significantly dwindle.
Led chip 2 is under the situation of not process reflection or refraction, and its luminescent ligand light characteristic meets lambert's body radiation law, and luminous angle is about 120 degree.The floodlight reflector of present embodiment is applicable to that luminous angle is about 120 degree, and diameter dimension is less than the led chip of 8mm.Please combine with reference to Fig. 9, the emergent light after led chip reflects through the present embodiment floodlight reflector, its luminous angle is about 20 * 80 degree, and in this zone, realizes floodlighting, has than higher uniformity of illuminance.
The above is merely preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of within spirit of the present invention and principle, being done, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. floodlight reflector; Light source mouth with corresponding light source setting goes out the light-emitting window that optical position is provided with correspondence; It is characterized in that: said light source mouth and said light-emitting window are rectangle, and by be oppositely arranged and two first reflectings surface of symmetry and two second reflectings surface surround form, said first reflecting surface and said second reflecting surface are stretching face; And have the first stretching bus and the second stretching bus respectively; The said first stretching bus and the second stretching bus are and are positioned at conplane multistage line, and the wherein said first stretching bus comprises six end to end line segments, and the angle between every line segment two ends and the said light source mouth geometric center line is 8-12 °; The said second stretching bus comprises five end to end line segments, and the angle between every line segment two ends and the said light source mouth geometric center line is 8-12 °.
2. floodlight reflector as claimed in claim 1 is characterized in that: in the said first stretching bus, the angle between said line segment two ends and the said light source mouth geometric center line is 10 °.
3. floodlight reflector as claimed in claim 1 is characterized in that: in the said second stretching bus, the angle between said line segment two ends and the said light source mouth geometric center line is 10 °.
4. like claim 2 or 3 described floodlight reflectors, it is characterized in that: in the said first stretching bus, be 52 ° near the line segment of said light source mouth and the angle between the plane, said light source mouth place.
5. like claim 2 or 3 described floodlight reflectors, it is characterized in that: in the said second stretching bus, be 53.5 ° near the line segment of said light source mouth and the angle between the plane, said light source mouth place.
6. floodlight reflector as claimed in claim 1 is characterized in that: said light source mouth is square.
7. floodlight reflector as claimed in claim 6 is characterized in that: the length of side of said light source mouth is 8 millimeters.
8. floodlight reflector as claimed in claim 1 is characterized in that: cross on said two first reflectings surface and two second reflectings surface and be provided with reflectance coating.
9. floodlight reflector as claimed in claim 1 is characterized in that: said reflectance coating is the aluminium film, and its reflectivity is higher than 75%.
10. a LED light fixture comprises a plurality of led chips that are positioned circuit board, it is characterized in that: comprise also and the floodlight reflector of the corresponding setting of said a plurality of led chips that said floodlight reflector has any described structure like claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110028191.9A CN102620236B (en) | 2011-01-26 | 2011-01-26 | Floodlight reflector and LED lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110028191.9A CN102620236B (en) | 2011-01-26 | 2011-01-26 | Floodlight reflector and LED lamp |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102620236A true CN102620236A (en) | 2012-08-01 |
| CN102620236B CN102620236B (en) | 2015-04-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110028191.9A Expired - Fee Related CN102620236B (en) | 2011-01-26 | 2011-01-26 | Floodlight reflector and LED lamp |
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| Country | Link |
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| CN (1) | CN102620236B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111810874A (en) * | 2020-07-31 | 2020-10-23 | 特能热交换科技（中山）有限公司 | Outdoor projection lamp |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN101749649A (en) * | 2010-02-03 | 2010-06-23 | 山西光宇半导体照明有限公司 | Square reflecting shade |
| CN101832513A (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 CN201110028191.9A patent/CN102620236B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN101749649A (en) * | 2010-02-03 | 2010-06-23 | 山西光宇半导体照明有限公司 | Square reflecting shade |
| CN101832513A (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 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111810874A (en) * | 2020-07-31 | 2020-10-23 | 特能热交换科技（中山）有限公司 | Outdoor projection lamp |
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| Publication number | Publication date |
|---|---|
| CN102620236B (en) | 2015-04-29 |
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Granted publication date: 20150429 Termination date: 20190126 |
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