CN102269368A - Light emitting diode (LED) lamp and lampshade thereof - Google Patents
Light emitting diode (LED) lamp and lampshade thereof Download PDFInfo
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- CN102269368A CN102269368A CN 201010196938 CN201010196938A CN102269368A CN 102269368 A CN102269368 A CN 102269368A CN 201010196938 CN201010196938 CN 201010196938 CN 201010196938 A CN201010196938 A CN 201010196938A CN 102269368 A CN102269368 A CN 102269368A
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- reflecting
- lampshade
- led lamp
- reflecting plate
- parabolical
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Abstract
The invention discloses a light emitting diode (LED) lamp and a lampshade thereof. The LED lamp comprises a seat body, a plurality of LED tubes and the lampshade; an accommodating groove is formed in the seat body; the plurality of LED tubes are arranged in the accommodating groove at intervals side by side; the lampshade is arranged on the seat body; the lampshade comprises a plurality of pairs of reflecting plates; two reflecting plate edges of the reflecting plates of each pair axially extend corresponding to the LED tubes; the two reflecting plates are relatively positioned at the left and the right sides of the corresponding LED tubes at intervals; and each reflecting plate is provided with a reflecting surface facing the corresponding LED tube, and the section contour line of the reflecting surface satisfies a parabolic equation Y2=4fX, wherein f is the focal length of the parabola. Therefore, the rays emitted by the LED tubes can be fully reflected to achieve good light distribution efficiency.
Description
Technical field
The present invention relates to a kind of led lamp and lampshade thereof, particularly a kind of led lamp and lampshade thereof that is used to be installed on the light steelframe.
Background technology
Light steelframe (practise and claim T-BAR) ceiling has the structure that is easy to dismantle, and can make things convenient for pipeline system maintenance within doors, therefore has been widely used in the various buildings.For cooperating the structure of aforementioned light steelframe ceiling, the market is to have to specialize in the daylight light fixture that is installed on the light steelframe.
See also shown in Figure 1, the daylight light fixture of prior art comprises a pedestal 10a, a plurality of fluorescent tube 20a, reaches a lampshade 30a, described a plurality of fluorescent tube 20a is installed in this pedestal 10a inside, this lampshade 30a is installed in this pedestal 10a and has a framework 31a, and be equipped with a plurality of vertical with laterally staggered reflecting plate 32a and flase floor 33a in this framework 31a, and the two ends of each reflecting plate 32a and flase floor 33a are positioned this framework 31a respectively.
The principle of luminosity of fluorescent tube 20a is to bump with the electronics of electrode effusion and the particle in the fluorescent tube 20a, and then send ultraviolet ray and excite the phosphor powder of coating in the fluorescent tube 20a to send white light, yet, the phosphor powder that is coated with in the fluorescent tube 20a all contain usually have contaminative heavy metal element (for example: mercury), not only be not easy recycling, and cause the pollution of environment easily.
In recent years, because light emitting diode (Light Emitting Diode, LED) fast development, and light emitting diode has, and power consumption is low, component life long, reaction speed is fast, reach advantages such as volume is little, therefore, along with the lifting of technology, develop gradually and to replace the light-emitting diode lamp tube that fluorescent tube is used, so as to overcoming the problem that fluorescent tube causes.
Yet, light-emitting diode lamp tube is different with the characteristic of fluorescent tube, therefore the lampshade 30a of prior art is difficult to the light of light-emitting diode lamp tube is fully reflected, make the luminous flux of light-emitting diode lamp tube produce bigger loss, cause the lower problem of luminous intensity distribution efficient of brightness attenuating or not enough and light fixture, thereby fail effectively to bring into play illumination usefulness.
Summary of the invention
At problems of the prior art, main purpose of the present invention is to provide a kind of light that light-emitting diode lamp tube can be sent fully to reflect and led lamp and lampshade thereof with preferable luminous intensity distribution efficient.
In order to achieve the above object, the invention provides a kind of led lamp, comprising: a pedestal, its inside is provided with a storage tank; A plurality of light-emitting diode lamp tubes, its compartment of terrain are arranged side by side in this storage tank; An and lampshade, it is installed in this pedestal, this lampshade comprises correspondence and covers at the many to reflecting plate of described a plurality of light-emitting diode lamp tubes, the upper end of every pair of reflecting plate forms a upper shed, and to form one be wide under shed than this upper shed in the lower end, every pair of reflecting plate comprises two reflecting plates, this two reflecting plate extending axially along this respective leds fluorescent tube, this two reflecting plate at interval and be located opposite from the left side of this respective leds fluorescent tube, right both sides, each reflecting plate has the reflecting surface towards this respective leds fluorescent tube, and the section profile line of this reflecting surface satisfies a parabolic equation formula Y
2=4fX, wherein X is parabolical abscissa value, and Y is parabolical ordinate value, and f is parabolical focal length.
The present invention provides a kind of lampshade of led lamp in addition, it comprises many to reflecting plate, the upper end of every pair of reflecting plate forms a upper shed, and to form one be wide under shed than this upper shed in the lower end, every pair of reflecting plate comprises two reflecting plates, this two reflecting plate is provided with at interval and relatively, and each reflecting plate has reflecting surface, and the section profile line of this reflecting surface satisfies a parabolic equation formula Y
2=4fX, wherein X is parabolical abscissa value, and Y is parabolical ordinate value, and f is parabolical focal length.
The present invention has following beneficial effect: the present invention can be reflected the light of light-emitting diode lamp tube effectively by lampshade, the luminous intensity distribution scope that lampshade is produced can meet the Illumination Distribution requirement, and improve the luminous intensity distribution efficient of led lamp, reduce the luminous flux loss of light-emitting diode lamp tube.Moreover the present invention need not as prior art operated by rotary motion flase floor, and the number of components capable of reducing using, reduces manufacturing cost.
In order further to understand technology, method and the effect that the present invention is taked for the set purpose of realization, see also following relevant detailed description of the present invention, accompanying drawing, believe purpose of the present invention, feature and characteristics, go deep into and concrete understanding when getting one thus, yet appended accompanying drawing and embodiment only provide reference and explanation usefulness, are not to be used for the present invention is limited.
Description of drawings
Fig. 1 is the cross-sectional schematic of prior art led lamp.
Fig. 2 is the three-dimensional exploded view of led lamp of the present invention.
Fig. 3 is the three-dimensional combination figure of led lamp of the present invention.
Fig. 4 is the 4-4 cutaway view of Fig. 3.
Fig. 5 is parabolic equation formula Y
2The curve map of=4fX.
Fig. 6 is the partial enlarged drawing of Fig. 4.
Fig. 7 is the distribution curve flux figure of led lamp of the present invention.
Wherein, description of reference numerals is as follows:
[prior art]
The 10a pedestal
The 20a fluorescent tube
The 30a lampshade
The 31a framework
The 32a reflecting plate
The 33a flase floor
[the present invention]
10 pedestals
11 storage tanks
20 light-emitting diode lamp tubes
30 lampshades
31 frameworks
32 reflecting plates
32 1 reflectings surface
33 upper sheds
34 under sheds
40 tube faces
The lower end of D1 reflecting surface to upper end distance in vertical direction
The lower end of D2 reflecting surface to upper end distance in the horizontal direction
The center of D3 light-emitting diode lamp tube is to the upper end distance in vertical direction of reflecting surface
Each upper shed width in the horizontal direction of W1 to reflecting plate
Each under shed width in the horizontal direction of W2 to reflecting plate
The specific embodiment
See also Fig. 2 to shown in Figure 4, the invention provides a kind of led lamp, comprising: a pedestal 10, a plurality of light-emitting diode lamp tube 20, an and lampshade 30.
These pedestal 10 inside are provided with a storage tank 11.Described a plurality of light-emitting diode lamp tube 20 compartment of terrains are arranged side by side in this storage tank 11.This lampshade 30 is installed in this pedestal 10, and this lampshade 30 comprises a framework 31 and corresponding with described a plurality of light-emitting diode lamp tube 20 many to reflecting plate 32.
The two ends of every pair of reflecting plate 32 are positioned this framework 31 respectively, and the upper end of every pair of reflecting plate 32 forms a upper shed 33, and to form one be wide under shed 34 than this upper shed 33 in the lower end, every pair of reflecting plate 32 comprises two reflecting plates 32, two reflecting plates 32 extend axially along respective leds fluorescent tube 20, and this two reflecting plate 32 at interval and be located opposite from the and arranged on left and right sides of respective leds fluorescent tube 20.Each reflecting plate 32 has the reflecting surface 321 towards respective leds fluorescent tube 20, to reflect this light-emitting diode lamp tube 20 emitted lights.
Please cooperate and consult shown in Figure 5ly, the section profile line of each reflecting surface 321 of the present invention satisfies a parabolic equation formula Y
2=4fX, wherein X is parabolical abscissa value, and Y is parabolical ordinate value, and f is parabolical focal length.In the present embodiment, focal distance f is 4.375mm, and abscissa value X and ordinate value Y satisfy 0≤| X|≤70 and 0≤| the relation of Y|≤35.
Please cooperate consult shown in Figure 6, the preferably, the lower end of each reflecting surface 321 of the present invention to upper end distance D 1 in vertical direction is 70mm, and the lower end of reflecting surface 321 to upper end distance D 2 in the horizontal direction is 35mm.The center of described a plurality of light-emitting diode lamp tube 20 to the upper end distance D 3 in vertical direction of this reflecting surface 321 is 20mm.In the present embodiment, each upper shed 33 width W 1 in the horizontal direction to reflecting plate 32 is 60mm, and under shed 34 width W 2 in the horizontal direction is 130mm, but is not limited thereto; By above-mentioned composition to form led lamp of the present invention.
Because this reflecting surface 321 is with a parabolic equation formula Y
2=17.5X design, the reflectance factor of reflecting surface 321 be 82% and the simulation amount of light be to simulate under 400,000 the condition, can reach Luminaire efficiency and be 96.3% result, and obtain as shown in Figure 7 lamp distribution curve map, the luminous intensity that it demonstrates on different angles to be had.
In addition, please consult shown in Figure 4ly again, in adjacent two pairs of reflecting plates 32 of lampshade 30, mutually close two reflecting plates, 32 lower edge interconnect, and make described many reflecting plate 32 is linked into an integrated entity.
Please consult shown in Figure 2 again, led lamp of the present invention also comprises with described a plurality of light-emitting diode lamp tube 20 corresponding many to tube face 40, every pair of tube face 40 all comprises two tube faces 40, two tube faces 40 are arranged on two relative inwalls of the storage tank 11 of this pedestal, and each light-emitting diode lamp tube 20 is erected at this between the tube face 40.
Led lamp of the present invention and lampshade thereof have following characteristics and function:
1, led lamp of the present invention can reflect the light of light-emitting diode lamp tube effectively by lampshade, the luminous intensity distribution scope that lampshade is produced can meet the Illumination Distribution requirement, and improve the luminous intensity distribution efficient of led lamp, reduce the luminous flux loss of light-emitting diode lamp tube.
2, led lamp of the present invention need not as prior art operated by rotary motion flase floor, and the number of components capable of reducing using reduces manufacturing cost.
The above only is a preferable possible embodiments of the present invention, and is non-so promptly limit to protection scope of the present invention, so the equivalence techniques that uses specification of the present invention and accompanying drawing content to do such as changes, all in like manner all is contained in protection scope of the present invention.
Claims (11)
1. a led lamp is characterized in that, comprising:
One pedestal, its inside is provided with a storage tank;
A plurality of light-emitting diode lamp tubes, its compartment of terrain are arranged side by side in this storage tank; And
One lampshade, it is installed in this pedestal, this lampshade comprises many to reflecting plate corresponding to described a plurality of light-emitting diode lamp tubes, the upper end of every pair of reflecting plate forms a upper shed, and to form one be wide under shed than this upper shed in the lower end, every pair of reflecting plate comprises two reflecting plates, described two reflecting plates extending axially along this respective leds fluorescent tube, this two reflecting plate at interval and be located opposite from the left side of this respective leds fluorescent tube, right both sides, each reflecting plate has the reflecting surface towards this respective leds fluorescent tube, and the section profile line of this reflecting surface satisfies a parabolic equation formula Y
2=4fX, wherein X is parabolical abscissa value, and Y is parabolical ordinate value, and f is parabolical focal length.
2. led lamp as claimed in claim 1 is characterized in that, this focal distance f is 4.375mm.
3. led lamp as claimed in claim 1 is characterized in that, the lower end of this reflecting surface to upper end distance in vertical direction is 70mm, and the lower end of this reflecting surface to upper end distance in the horizontal direction is 35mm.
4. led lamp as claimed in claim 1 is characterized in that, the center of described a plurality of light-emitting diode lamp tubes to the upper end distance in vertical direction of this reflective surface is 20mm.
5. led lamp as claimed in claim 1 is characterized in that, mutual two close reflecting plate lower edge interconnect in these adjacent two pairs of reflecting plates.
6. led lamp as claimed in claim 1 is characterized in that, this parabolical abscissa value X and ordinate value Y satisfy 0≤| X |≤70 and 0≤| Y |≤35 relation.
7. the lampshade of a led lamp, it is characterized in that, the lampshade of this led lamp comprises many to reflecting plate, the upper end of every pair of reflecting plate forms a upper shed, and to form one be wide under shed than this upper shed in the lower end, and every pair of reflecting plate comprises two reflecting plates, and described two reflecting plates are provided with at interval and relatively, each reflecting plate has reflecting surface, and the section profile line of this reflecting surface satisfies a parabolic equation formula Y
2=4fX, wherein X is parabolical abscissa value, and Y is parabolical ordinate value, and f is parabolical focal length.
8. the lampshade of led lamp as claimed in claim 7 is characterized in that, this focal distance f is 4.375mm.
9. the lampshade of led lamp as claimed in claim 7 is characterized in that, the lower end of this reflecting surface to upper end distance in vertical direction is 70mm, and the lower end of this reflecting surface to upper end distance in the horizontal direction is 35mm.
10. the lampshade of led lamp as claimed in claim 7 is characterized in that, mutual two close reflecting plate lower edge interconnect in these adjacent two pairs of reflecting plates.
11. the lampshade of led lamp as claimed in claim 7 is characterized in that, this parabolical abscissa value X and ordinate value Y satisfy 0≤| X |≤70 and 0≤| Y |≤35 relation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010196938 CN102269368A (en) | 2010-06-02 | 2010-06-02 | Light emitting diode (LED) lamp and lampshade thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010196938 CN102269368A (en) | 2010-06-02 | 2010-06-02 | Light emitting diode (LED) lamp and lampshade thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102269368A true CN102269368A (en) | 2011-12-07 |
Family
ID=45051750
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010196938 Pending CN102269368A (en) | 2010-06-02 | 2010-06-02 | Light emitting diode (LED) lamp and lampshade thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN102269368A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1693967A (en) * | 2004-05-08 | 2005-11-09 | 凛宜股份有限公司 | Light source device |
| CN101144587A (en) * | 2007-10-16 | 2008-03-19 | 李旭亮 | LED fluorescent tube |
| CN201173429Y (en) * | 2008-01-14 | 2008-12-31 | 朱志明 | Large power LED integral aerated water proof radiation road lamp reflecting cover |
| CN201288997Y (en) * | 2008-10-25 | 2009-08-12 | 胡永宏 | Grate lamp panel |
| CN201779474U (en) * | 2010-06-02 | 2011-03-30 | 华兴电子工业股份有限公司 | Light-emitting diode lamp and lampshade thereof |
-
2010
- 2010-06-02 CN CN 201010196938 patent/CN102269368A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1693967A (en) * | 2004-05-08 | 2005-11-09 | 凛宜股份有限公司 | Light source device |
| CN101144587A (en) * | 2007-10-16 | 2008-03-19 | 李旭亮 | LED fluorescent tube |
| CN201173429Y (en) * | 2008-01-14 | 2008-12-31 | 朱志明 | Large power LED integral aerated water proof radiation road lamp reflecting cover |
| CN201288997Y (en) * | 2008-10-25 | 2009-08-12 | 胡永宏 | Grate lamp panel |
| CN201779474U (en) * | 2010-06-02 | 2011-03-30 | 华兴电子工业股份有限公司 | Light-emitting diode lamp and lampshade thereof |
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Application publication date: 20111207 |