led lens light output device
A technology of LED lens and light device, applied in the direction of lighting device, lighting device parts, light source, etc., can solve the problems of low illuminance, small direction angle of high pole lights or square lights, and high illuminance requirements, and achieve the effect of improving illuminance
Active Publication Date: 2014-10-22
OPTIKA SUZHOU OPTO ELECTRONICS
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Problems solved by technology
[0002] At present, the light output device on the lamp head of the high pole lamp or the square lamp is only an LED light emitting part, and its light distribution is characterized by a large direction angle, and then the light distribution reduces the illumination of the irradiated area, and the range of the irradiated area is small , cannot meet the characteristics of high pole lights or square lights with small direction angle and high illumination requirements
Method used
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Embodiment 1
[0032] Embodiment one, as attached Figure 12 As shown, a plurality of lamp holders 4 are evenly distributed in a circle with the center line of the installation rod 3 as the center.
Embodiment 2
[0033] Embodiment two, as attached Figure 13 As shown, a plurality of lamp holders 4 are evenly distributed in a semicircle around the center line of the installation rod 3 .
Embodiment 3
[0034] Embodiment three, as attached Figure 14 As shown, a plurality of lamp holders 4 are evenly distributed in a fan shape with the center line of the installation rod 3 as the center, and the central angle of the fan shape is 90°.
[0035] attached Figure 10 - attached Figure 11 They are respectively a schematic diagram of street lamp installation at a cross intersection and a schematic diagram of street lamp installation at a T-shaped intersection, wherein the above-mentioned embodiment 1 is applicable to the street lamp at A, the above-mentioned embodiment 2 is suitable for the street lamp at B, and the above-mentioned embodiment 3 is suitable for the street lamp at C.
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The invention discloses an LED (light emitting diode) lens light emitting device, which comprises a lens and an LED luminous component coupled with the lens, wherein the lens is an axisymmetric entity made of transparent materials and comprises a base surface, an inner surface and an outer surface, the base surface is adjacent to the LED luminous component, the inner surface extends from the base surface and is provided with an inner side surface and an upwards projected arc-shaped inner end surface, the inner side surface is formed around the center line of the lens, the inner surface is a light incident surface, the outer surface is a light reflecting surface and comprises a plurality of output ends with sawtooth-shaped repeating units, each repeating unit comprises an arc-shaped outer end surface positioned at one side, an outer end surface positioned at the other side, a sharp arc-shaped surface and a root arc-shaped surface, the sharp arc-shaped surface is connected with the adjacent arc-shaped outer end surface and the sharp part of the outer end surface, the root arc-shaped surface is connected with the adjacent arc-shaped outer end surface and the root part of the outer end surface, the arc-shaped outer end surface is a light reflecting surface, the outer end surface, the root arc-shaped surface and the sharp arc-shaped surface are respectively light emitting surfaces, and light emitted from the LED luminous component forms parallel light rays inside the lens through the inner surface and the outer surface.
Description
technical field [0001] The invention relates to an LED lens light emitting device. Background technique [0002] At present, the light output device on the lamp head of the high pole lamp or the square lamp is only an LED light emitting part, and its light distribution is characterized by a large direction angle, and then the light distribution reduces the illumination of the irradiated area, and the range of the irradiated area is small , It cannot meet the characteristics of high pole lights or square lights with small direction angle and high illumination requirements. Contents of the invention [0003] In order to overcome the above disadvantages, the purpose of the present invention is to provide an LED lens light-emitting device, by installing a lens in front of the LED light-emitting component, the direction angle is small and the illuminance is significantly improved. [0004] In order to achieve the above purpose, the present invention provides an LED lens light-...
Claims
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IPC IPC(8): F21V5/04F21Y101/02F21Y115/10
Inventor 刘海生刘龙辉
Owner OPTIKA SUZHOU OPTO ELECTRONICS