CN101571262A - Combined LED reflecting shade - Google Patents
Combined LED reflecting shade Download PDFInfo
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- CN101571262A CN101571262A CNA2009100819036A CN200910081903A CN101571262A CN 101571262 A CN101571262 A CN 101571262A CN A2009100819036 A CNA2009100819036 A CN A2009100819036A CN 200910081903 A CN200910081903 A CN 200910081903A CN 101571262 A CN101571262 A CN 101571262A
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- reflecting shade
- combined led
- led
- led reflecting
- rectangular channel
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Abstract
The invention provides a combined LED reflecting shade. The shade is treated by overall injection molding and vacuum aluminum plating and can be divided into a LED reflecting region and a constant current circuit board overlay region. The combined LED reflecting shade is like a flat box, the top face thereof is provide with a plurality of embedded regular grooves while the bottom face is open ended to form the LED reflecting region. The bottom face which is open ended forms the constant circuit board overlay region. The inner wall of the reflecting cavity is a ladder typed diffuse surface and is provided with corrugation or step shape along the depth direction of the regular groove. A LED hole is arranged at the optical center of the bottom of each reflecting cavity and is used for installing an LED light source. The combined LED reflecting shade avoids interaction between LEDs which can cause scattered light loss, can collect scattered light and change light path without lowing light intensity and avoids glare.
Description
Technical field
The present invention relates to a kind of LED lighting technical field, particularly relate to a kind of combined LED reflecting shade with 2 optical designs.
Background technology
The LED lighting source is compared with traditional lighting source, have energy-conservation, environmental protection, life-span is long, the remarkable advantage that volume is little, therefore in indication, show, decorate, fields such as illumination and urban landscape have obtained using widely, particularly along with oil, day by day increasing of the exhaustion day by day of traditional energies such as coal and energy prices, people are more and more higher to the requirement of energy consumption, particularly at lighting field, power-saving technology and method have obtained unprecedented attention and application, and therefore the application of LED lighting engineering in street lamp as the novel energy-conserving technology also obtained popularizing rapidly and promoting.
No matter above single the great power LED of common direct insertion low-power LED or 1W all belongs to directional light sources.All less than 110 degree, the scope of being shone is little, light intensity is high, can't satisfy the requirement of road lighting for the LED angle of flare of producing both at home and abroad at present.If, the LED light emitting module is put in light fixture at an angle in order to enlarge irradiated area, complex process not only, also can produce dazzle influences driving personnel sight line.Country's road lighting road pavement uniformity of illuminance and dazzle control all have certain requirement, can not produce the zebra stripes effect.In order effectively to improve the light efficiency of led light source, people need carry out that the secondary optics design---the optics luminous intensity distribution promptly has certain irradiated area and certain illuminance of ground to led light source.
LED optics luminous intensity distribution has two kinds at present: a kind of mode is to add the service efficiency that lens improve light that led light source sends, and its result be applicable to directional lighting among a small circle, but effect is unsatisfactory in high-power LED street lamp for the light output of loss about 15%.Another kind of mode adopts single only many distribution reflector modes, reflector at present adopts a LED to cooperate combination with a bowl-shape reflector of circle, the inner surface of reflector is smooth circular arc camber or parabolic surface, though this reflector can be collected scattered light to improve the illumination in the effective range, can not change the output shape of light.Only use flashlight or Projecting Lamp directional illumination.Adopt this mode to carry out 2 optical designs, circular reflector output light shape be circular, illumination zone tends to exceed the road both sides, can cause the loss of light efficiency, does not meet the actual needs of street lighting requirement.Also having a kind of novel reflector is the grooved reflector, the rectangular slot-shaped reflective cover that has been 200710025385.7 disclosure of the Invention as application number, the application number rectangular flute profile reflector that has been 200810098009.5 disclosure of the Invention, interact between the light beam that many LED in this rectangular flute profile reflector send, there is light to offset and the too high phenomenon of local light intensity, can not effectively utilize scattered light, and when making high-power LED street lamp, need up to a hundred LED to distribute, because up to a hundred slot-shaped reflective cover erection spaces are excessive, needed light fixture volume is also big, and not only lamp holder weight strengthens has also increased cost.
Summary of the invention
The present invention is for the utilization that improves the LED scattered light and reduce that light interferes with each other between every LED, a kind of combined LED reflecting shade is provided, under the prerequisite of not losing light output, fully collect the route that the LED scattered light changes light, not only effectively improve light efficiency, also satisfy the anti-dazzle requirement for restriction of major trunk roads.
Technical scheme of the present invention is as follows:
A kind of combined LED reflecting shade, it is characterized in that: described combined LED reflecting shade comprises a supporter, the bottom surface of supporter is the circuit board area of coverage, have several Embedded rectangular channel reflection cavities on the end face of supporter and constitute the LED reflective areas, the optical centre place at the bottom of each reflection cavity chamber has the hole that holds a LED.
Each side of the inwall of described rectangular channel reflection cavity is inclined-plane with a slope, is extended to bead and is constituted trapezoidal diffuse surface by outer opening at the bottom of the chamber, and have along the bellows-shaped or the stairstepping of rectangular channel depth direction trend, produces the path that diffuse reflection changes light.
Described rectangular channel reflection cavity forms one group of reflection cavity for being divided into by a plurality of dividing plates of horizontally set in the strip groove in the horizontal, is arranged side by side the described reflection cavity of many groups.
The flute length of described rectangular channel reflection cavity and groove width beguine provide the road width of illumination to be designed to different proportion according to needs.
The flute length of described rectangular channel reflection cavity bead is 2: 1 with the groove width ratio, and the length-width ratio of bottom land is 1.7: 1.
The shape and the highway route design of the output light that the angle on the inclined-plane of described rectangular channel reflection cavity provides as required.
The bevel angle of described rectangular channel reflection cavity is, parallel road surface direction is 130 degree, and vertical road surface direction is the 55---65 degree.
Several small right angles of serving as reasons, described stairstepping inclined-plane are formed, and constitute diffuse surface, and the height at ladder right angle is that 0.2 millimeter, the horizontal length of side are 0.1 millimeter.
Described supporter is the flat square box shape structure of bottom surface opening, there are several reflection cavities integrated on the end face, described opening bottom surface is the constant-current circuit plate area of coverage, the fixing used flank of described combined LED reflecting shade is set on the wherein a pair of side in two pairs of relative sides, have fixing hole on the described flank, the bottom on a pair of in addition side has wire hole.
Described combined LED reflecting shade by the ABS plastic integral molded plastic after overall vacuum aluminize and make.
Technique effect of the present invention is:
The combined LED reflecting shade that the present invention adopts, adopt many LED to carry out combined type reflection shield mentality of designing, each LED is placed in the rectangular channel reflection cavity, every LED is independently carried out 2 luminous intensity distribution designs, independently form the reflection system according to different irradiating angles, the output of loss light has prevented to interact between the LED.Optical centre place at the bottom of rectangular channel reflection cavity chamber has the hole that holds a LED, with the rectangular channel reflection cavity bottom of LED design at reflection shield, because the reflective certain altitude that is covered with, when distance LED street lamp certain distance is far away, be difficult for seeing the LED luminous tube, can prevent from that LED brightness is too high to cause dazzle.
Adjust the Aspect Ratio and the bevel angle of single rectangular channel reflection cavity in the combined LED reflecting shade, can change the shape and the route of output light.Because combined LED reflecting shade adopts integral molded plastic, overall vacuum to aluminize, size is accurate, and is elegant in appearance.The optical surface reflection efficiency of reflection shield can reach more than 93%.Use the street lamp of this combined LED reflecting shade can make, and vertical road surface direction light is shortened along the elongation of road surface direction light.Obtain the approximate desired light shape that covers the road surface.On the vertical 90 ° of beam angle directions of design, can make light intensity less than 10cd/1000Lm.Each reflection shield is made up of 12---24 LED rectangular reflective cup, has not only reduced erection space but also both artistic and practical.
Since in the combined LED reflecting shade separately independently the rectangular channel reflection cavity directly be sleeved on LED pipe top, the trapezoidal inclined-plane that every LED scattered light all is collected in the rectangular channel reflection cavity carries out 2 diffuse reflections, after every LED scattered light is fully collected, form the rectangular light directional transmissions to being shone ground.LED rectangular channel reflection cavity bevel angle and shape have determined the angle and the shape of output light again, and the luminous efficiency of every LED is used to greatest extent.Experiment shows: the LED street lamp that adopts LED reflection shield of the present invention to make, to compare with equal-wattage LED street lamp, and illuminance of ground improves 20-30%, and irradiated area enlarges 10---15%.
Description of drawings
Fig. 1 is the profile housing of combined LED reflecting shade of the present invention;
Fig. 2 is the front view of combined LED reflecting shade of the present invention;
Fig. 3 is a combined LED reflecting shade led module installation diagram of the present invention;
Fig. 4 is the P-P cutaway view of Fig. 3;
Fig. 5 is the R-R cutaway view of Fig. 3;
Fig. 6 is the side view of wire hole one side of combined LED reflecting shade of the present invention.
The specific embodiment
Below in conjunction with accompanying drawing one of embodiments of the invention are described further.Combined LED reflecting shade of the present invention is applicable to that street lamp comprises solar powered pattern and Alternating Current Power Supply pattern on various street lamps, Projecting Lamp, Square Lamp, Landscape Lamp, the Tunnel Lamp etc.
Combined LED reflecting shade of the present invention by the ABS plastic integral molded plastic after overall vacuum aluminize and make, the material of aluminizing makes the LED light beam reflect by vacuum aluminum-coated laminar surface.As Fig. 1, Fig. 2, Fig. 4, shown in Figure 5, combined LED reflecting shade comprises a supporter, and the bottom surface of supporter is the circuit board area of coverage, has several Embedded rectangular channel reflection cavities on the end face of supporter and constitutes the LED reflective areas.The flat square box shape structure that is shaped as the bottom surface opening of supporter, have several Embedded rectangular channel reflection cavities on the end face, optical centre place at the bottom of each reflection cavity chamber has the hole that holds a LED, each side of the inwall of rectangular channel reflection cavity is inclined-plane with a slope, extend to bead by outer opening at the bottom of the chamber, constitute the ladder type diffuse surface, and have, produce the path that diffuse reflection changes light along the bellows-shaped or the stairstepping of rectangular channel depth direction trend.Several small right angles of serving as reasons, stairstepping inclined-plane are formed, and constitute diffuse surface, and the height at ladder right angle is that 0.2 millimeter, the horizontal length of side are 0.1 millimeter.Combined LED reflecting shade is divided into by a plurality of dividing plates of horizontally set in the strip groove in the horizontal, forms one group of reflection cavity, is arranged side by side the described reflection cavity of many groups.The flute length of rectangular channel reflection cavity and groove width beguine provide the road width of illumination to be designed to different proportion according to needs, and the flute length that can be designed to rectangular channel reflection cavity bead is 2: 1 with the groove width ratio, and the length-width ratio of bottom land is 1.7: 1.The shape and the highway route design of the output light that the angle on the inclined-plane of rectangular channel reflection cavity provides as required.Parallel road surface direction is 130 degree, and vertical road surface direction is the 55---65 degree.
As shown in Figure 3, the used flank of fixed combination formula LED reflection shield is set on the relative a pair of side of combined LED reflecting shade, has fixing hole on the flank, be used for combined LED reflecting shade and the light fixture plane is connected and fixed.As shown in Figure 6, the bottom on the another side has wire hole, is used for led light source modular power source line is drawn.Can be attractive in appearance and reach seamless spliced during fixing this combined LED reflecting shade with the wire hole cabling of bottom.
During installation rectangular channel is reflected corresponding LED luminous tube center, lumen pore position, be sleeved on the LED external diameter.Circuit board, several LED, combined LED reflecting shade are assembled into a led module, as shown in Figure 3, after utilize fixing hole to be fixed in the light fixture, a plurality of led modules of assembly unit as required, in order to improve the reliability of LED street lamp, the combined LED reflecting shade practicality of general design is applicable to 12---24 light source module (12W-24W), and high-power LED street lamp adopts many combined LED reflecting shade combinations in parallel.
The above only is a preferred implementation of the present invention, and other modification and the improvement for making according to essence of the present invention all will fall into protection scope of the present invention.
Claims (10)
1. combined LED reflecting shade, it is characterized in that: described combined LED reflecting shade comprises a supporter, the bottom surface of supporter is the circuit board area of coverage, have several Embedded rectangular channel reflection cavities on the end face of supporter and constitute the LED reflective areas, the optical centre place at the bottom of each reflection cavity chamber has the hole that holds a LED.
2. combined LED reflecting shade according to claim 1, it is characterized in that: each side of the inwall of described rectangular channel reflection cavity is inclined-plane with a slope, extend to bead and constitute trapezoidal diffuse surface by outer opening at the bottom of the chamber, and have along the bellows-shaped or the stairstepping of rectangular channel depth direction trend, produce the path that diffuse reflection changes light.
3. combined LED reflecting shade according to claim 1 and 2 is characterized in that: described rectangular channel reflection cavity forms one group of reflection cavity for being divided into by a plurality of dividing plates of horizontally set in the strip groove in the horizontal, is arranged side by side the described reflection cavity of many groups.
4. according to claim 1 or 2 or 3 described combined LED reflecting shades, it is characterized in that: the flute length of described rectangular channel reflection cavity and groove width beguine provide the road width of illumination to be designed to different proportion according to needs.
5. combined LED reflecting shade according to claim 4 is characterized in that: the flute length of described rectangular channel reflection cavity bead is 2: 1 with the groove width ratio, and the length-width ratio of bottom land is 1.7: 1.
6. according to the described combined LED reflecting shade of one of claim 2 to 5, it is characterized in that: the shape and the highway route design of the output light that the angle on the inclined-plane of described rectangular channel reflection cavity provides as required.
7. combined LED reflecting shade according to claim 6 is characterized in that: the bevel angle of described rectangular channel reflection cavity is, parallel road surface direction is 130 degree, and vertical road surface direction is the 55---65 degree.
8. combined LED reflecting shade according to claim 2 is characterized in that: several small right angles of serving as reasons, described stairstepping inclined-plane are formed, and constitute diffuse surface, and the height at ladder right angle is that 0.2 millimeter, the horizontal length of side are 0.1 millimeter.
9. according to the described combined LED reflecting shade of one of claim 1 to 8, it is characterized in that: described supporter is the flat square box shape structure of bottom surface opening, there are several reflection cavities integrated on the end face, described opening bottom surface is the constant-current circuit plate area of coverage, the fixing used flank of described combined LED reflecting shade is set on the wherein a pair of side in two pairs of relative sides, have fixing hole on the described flank, the bottom on a pair of in addition side has wire hole.
10. according to the described combined LED reflecting shade of one of claim 1 to 9, it is characterized in that: described combined LED reflecting shade by the ABS plastic integral molded plastic after overall vacuum aluminize and make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2009100819036A CN101571262A (en) | 2009-04-07 | 2009-04-07 | Combined LED reflecting shade |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2009100819036A CN101571262A (en) | 2009-04-07 | 2009-04-07 | Combined LED reflecting shade |
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| Publication Number | Publication Date |
|---|---|
| CN101571262A true CN101571262A (en) | 2009-11-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2009100819036A Pending CN101571262A (en) | 2009-04-07 | 2009-04-07 | Combined LED reflecting shade |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102011985A (en) * | 2010-11-29 | 2011-04-13 | 东莞市泽芯电子科技有限公司 | LED street lamp |
| CN102244075A (en) * | 2011-07-04 | 2011-11-16 | 江苏永兴多媒体有限公司 | Method of increasing light emergent effect in LED (Light-emitting diode) luminous lamp panel matrix type package |
| CN103148456A (en) * | 2013-03-08 | 2013-06-12 | 亿森（常州）光电科技有限公司 | Reflector provided with anti-glare light panels |
| WO2020156594A3 (en) * | 2019-02-02 | 2020-08-27 | 史杰 | Led illumination apparatus and illumination combination apparatus thereof |
-
2009
- 2009-04-07 CN CNA2009100819036A patent/CN101571262A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102011985A (en) * | 2010-11-29 | 2011-04-13 | 东莞市泽芯电子科技有限公司 | LED street lamp |
| CN102244075A (en) * | 2011-07-04 | 2011-11-16 | 江苏永兴多媒体有限公司 | Method of increasing light emergent effect in LED (Light-emitting diode) luminous lamp panel matrix type package |
| CN103148456A (en) * | 2013-03-08 | 2013-06-12 | 亿森（常州）光电科技有限公司 | Reflector provided with anti-glare light panels |
| WO2020156594A3 (en) * | 2019-02-02 | 2020-08-27 | 史杰 | Led illumination apparatus and illumination combination apparatus thereof |
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Open date: 20091104 |