CN101832511B - Floodlight reflector, floodlight and powerboat - Google Patents
Floodlight reflector, floodlight and powerboat Download PDFInfo
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- CN101832511B CN101832511B CN 201010178948 CN201010178948A CN101832511B CN 101832511 B CN101832511 B CN 101832511B CN 201010178948 CN201010178948 CN 201010178948 CN 201010178948 A CN201010178948 A CN 201010178948A CN 101832511 B CN101832511 B CN 101832511B
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Abstract
The invention provides a floodlight reflector, a floodlight and a powerboat, which are applicable to the field of lighting. The inner surface of the reflector is formed by a line segment rotating around an axis line, and the line segment is formed by connecting a plurality of segments sequentially; the projected length of each segment in the axis line is 0.6-3.0 mm; the included angle of the extension line of the line segment and the axis line is 0-45 degrees; and the axis line is coincided with the optical axis of a light source. In the embodiment, the inner surface of the floodlight reflector is formed by the rotation of the line segment, a small part of light rays sent by the light source are emitted directly, and most part of light rays are reflected by the reflector and then are emitted in a crossed way; the luminescence angle of the floodlight is 60+/-2.5 degrees; the uniformity degree of the inner illumination intensity of the luminescence angle is extremely high, which can meet the light distribution requirement of the floodlight; and the size of the reflector can be reduced greatly so that the sizes of the floodlight and an LED light made from the reflector are also small. The floodlight is suitable for occasions with a strict requirement for the sizes of lights, and particularly can be used as a roof light and a ceiling light of a powerboat.
Description
Technical field
The invention belongs to lighting field, relate in particular to a kind of floodlight reflector, floodlight and power ship.
Background technology
Existing office lighting generally adopts fluorescent lamp, can obtain uniformity of illuminance preferably, but power consumption is bigger, and lamp life is shorter, and has danger such as easy fragmentation.In addition, the fluorescent lamp volume is bigger, and anti-shake performance is poor, with its Peng Ding that is installed on cabin, has certain limitation.
LED has been widely used in lighting field as a kind of energy-conservation, reliable light source, replaces fluorescent lamp and other non-led light sources gradually.At present, adopt LED as the floodlight of light source, generally adopt reflector to carry out luminous intensity distribution.Existing a kind of reflector, its inner surface is the conical surface, shown in Fig. 1 a and Fig. 1 b.The degree of depth of this reflector is greater than 30mm, and the diameter of light-emitting window is greater than 40mm; For 4 * 5 floodlight array, its size is at least 215mm * 175mm * 33.9mm, and is also big by its size of making the LED light fixture, is difficult to be applied to the light fixture size is had the occasion of strict demand, such as fluffy ceiling light and the ceiling light of power ship.The size of reflector is bigger, and luminous intensity distribution is not accurate enough, and the emergent light of light fixture difficulty reaches required luminous angle, fails to realize that luminous angle is the floodlighting of 60 ± 2.5 degree.
Summary of the invention
The purpose of the embodiment of the invention is to provide a kind of floodlight reflector, and it is bigger to be intended to solve existing reflector size, fails to realize that luminous angle is the problem of 60 ± 2.5 ° floodlighting.
The embodiment of the invention is achieved in that a kind of floodlight reflector, and rotation forms its inner surface around an axis by a broken line, and described broken line is in turn connected to form by the multistage line segment; The projected length of each line segment on described axis is 0.6~3.0mm, and the extended line of described broken line and the angle of described axis are 0~45 °; The optical axis coincidence of described axis and light source.
Another purpose of the embodiment of the invention is to provide a kind of floodlight, described floodlight comprises: reflector and the light source of being located at the end of described reflector, rotation forms the inner surface of described reflector around an axis by a broken line, and described broken line is in turn connected to form by the multistage line segment; The projected length of each line segment on described axis is 0.6~3.0mm, and the extended line of described broken line and the angle of described axis are 0~45 °; The optical axis of described light source overlaps with described axis.
Another purpose of the embodiment of the invention is to provide a kind of LED light fixture, described LED light fixture comprises: a plurality of mainly by reflector be located at the floodlight that the LED of the end of described reflector constitutes, a plurality of described floodlights are array and arrange, rotation forms the inner surface of described reflector around an axis by a broken line, and described broken line is in turn connected to form by the multistage line segment; The projected length of each line segment on described axis is 0.6~3.0mm, and the extended line of described broken line and the angle of described axis are 0~45 °; The optical axis of described LED overlaps with described axis.
Another purpose of the embodiment of the invention is to provide a kind of power ship, and described power ship has above-mentioned LED light fixture.
The embodiment of the invention is formed the inner surface of floodlight reflector by the broken line rotation, the direct outgoing of light sub-fraction that light source sends, most of intersection outgoing after the reflector reflection, the luminous angle of floodlight is 60 ± 2.5 °, uniformity of illuminance is high in this luminous angle, satisfy the light distribution requirements of floodlight, and can significantly reduce the size of reflector, also little by its size of making floodlight and LED light fixture, be applicable to the occasion that the light fixture size is had strict demand, can be used as fluffy ceiling light and the ceiling light of power ship especially.
Description of drawings
Fig. 1 a is the front view of the floodlight that provides of prior art;
Fig. 1 b is the index path of the floodlight that provides of prior art;
Fig. 2 is the stereogram of the floodlight that provides of the embodiment of the invention;
Fig. 3 is the side view of the floodlight that provides of the embodiment of the invention;
Fig. 4 is the front view of the floodlight that provides of the embodiment of the invention;
Fig. 5 is the vertical view of the floodlight that provides of the embodiment of the invention;
Fig. 6 is the index path of the floodlight that provides of the embodiment of the invention;
Fig. 7 is the LED light fixture front view that the embodiment of the invention provides;
Fig. 8 is the distribution curve flux figure of the LED light fixture that provides of the embodiment of the invention.
The specific embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer, 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 explaining the present invention, and be not used in restriction the present invention.
The embodiment of the invention is designed to the inner surface of floodlight reflector to rotate the surfaces of revolution that forms around an axis by a broken line (bus), extended line and the angle between the axis of each of this broken line section are less, make the both sides that are distributed in the axis through the light intersection of reflector inner surface reflection, reach the purpose of even floodlight, can realize the floodlighting at required luminous angle, and size is less.
Rotation forms the inner surface of the floodlight reflector that the embodiment of the invention provides around an axis by a broken line, and described broken line is in turn connected to form by the multistage line segment; The projected length of each line segment on described axis is 0.6~3.0mm, and the extended line of described broken line and the angle of described axis are 0~45 °; The optical axis coincidence of described axis and light source.
The floodlight that the embodiment of the invention provides comprises: reflector and the light source of being located at the end of described reflector, and rotation forms the inner surface of described reflector around an axis by a broken line, and described broken line is in turn connected to form by the multistage line segment; The projected length of each line segment on described axis is 0.6~3.0mm, and the extended line of described broken line and the angle of described axis are 0~45 °; The optical axis of described light source overlaps with described axis.
The LED light fixture that the embodiment of the invention provides comprises: a plurality of mainly by reflector be located at the floodlight that the LED of the end of described reflector constitutes, a plurality of described floodlights are array and arrange, rotation forms the inner surface of described reflector around an axis by a broken line, and described broken line is in turn connected to form by the multistage line segment; The projected length of each line segment on described axis is 0.6~3.0mm, and the extended line of described broken line and the angle of described axis are 0~45 °; The optical axis of described LED overlaps with described axis.
The power ship that the embodiment of the invention provides has above-mentioned LED light fixture.
Below be elaborated as the specific implementation of light source to the embodiment of the invention with LED.
Shown in Fig. 2~5, the floodlight that the embodiment of the invention provides comprises reflector 1 and is located at the LED2 of reflector end.The inner surface of reflector 1 is for being the surfaces of revolution that the axis rotation of reflector 1 forms around an axis by a broken line, and this broken line is connected in sequence by first line segment 11, second line segment 12, the 3rd line segment 13, the 4th line segment 14 and the 5th line segment 15.
Concrete, the angle of the axis of the extended line of first line segment 11 and reflector 1 is 40~45 °, its projected length on the axis is 0.6~1.0mm, and the luminous angle that first conical surface, the 16 main reflection LED2 that formed by its rotation send is 80~90 ° light; The angle of the axis of the extended line of second line segment 12 and reflector 1 is 30~35 °, and its projected length on the axis is 0.9~1.3mm, and the luminous angle that second conical surface, the 17 main reflection LED2 that formed by its rotation send is 70~80 ° light; The angle of the axis of the extended line of the 3rd line segment 13 and reflector 1 is 20~25 °, and its projected length on the axis is 1.4~1.8mm, and the luminous angle that the 3rd conical surface 18 main reflection LED2 that formed by its rotation send is 60~70 ° light; The angle of the axis of the extended line of the 4th line segment 14 and reflector 1 is 10~15 °, and its projected length on the axis is 2.0~2.5mm, and the luminous angle that the 4th conical surface 19 main reflection LED2 that formed by its rotation send is 50~60 ° light; The angle of the axis of the extended line of the 5th line segment 15 and reflector 1 is 0~5 °, and its projected length on the axis is 2.4~3.0mm, and the luminous angle that the 5th conical surface 20 main reflection LED2 that formed by its rotation send is 40~50 ° light.
The preferred luminous angle of the embodiment of the invention be 110~130 ° LED2 as light source, the diameter of this LED2 is less than 8mm.LED2 is placed the necking end of first conical surface 16, and the light-emitting area of LED2 is alignd with the bottom (benchmark) of reflector 1, and the optical axis of LED2 overlaps with the axis of reflector 1.
As shown in Figure 6, the direct outgoing of light sub-fraction that LED2 sends, most of light is through reflector 1 reflection outgoing.The light that is positioned at optical axis one side that LED2 sends through first conical surface, 16 reflections of reflector 1, is the opposite side outgoing of axis towards optical axis; The light that is positioned at optical axis one side that LED2 sends through second conical surface, 17 reflections of reflector 1, is the opposite side outgoing of axis towards optical axis; The light that is positioned at optical axis one side that LED2 sends through the 3rd conical surface 18 reflections of reflector 1, is the opposite side outgoing of axis towards optical axis; The light that is positioned at optical axis one side that LED2 sends through the 4th conical surface 19 reflections of reflector 1, is the opposite side outgoing of axis towards optical axis; The light that is positioned at optical axis one side that LED2 sends through the 5th conical surface 20 reflections of reflector 1, is the opposite side outgoing of axis towards optical axis.Hence one can see that, through the light intersection outgoing of reflector 1 reflection.
The embodiment of the invention is carried out simulation test to above-mentioned floodlight, and wherein the angle of the axis of the extended line of first line segment 11 of the rotation bus (broken line) of reflector 1 and reflector 1 is 43.5 °, and its projected length on the axis is 0.8mm; The angle of the axis of the extended line of second line segment 12 and reflector 1 is 33.5 °, and its projected length on the axis is 1.2mm; The angle of the axis of the extended line of the 3rd line segment 13 and reflector 1 is 23.5 °, and its projected length on the axis is 1.6mm; The angle of the axis of the extended line of the 4th line segment 14 and reflector 1 is 13.5 °, and its projected length on the axis is 2.1mm; The angle of the axis of the extended line of the 5th line segment 15 and reflector 1 is 3.5 °, and its projected length on the axis is 2.6mm.The diameter of this reflector 1 bottom is 8mm, and the diameter of light-emitting window only is 13.9mm, and the height of reflector 1 (degree of depth) only is 8.3mm, and the existing reflector of its overall dimensions reduces significantly.Wherein the luminous angle of LED2 is 120 °, and the diameter of this LED2 is less than 8mm.
The inner surface of the reflector 1 that the embodiment of the invention proposes is coated with the rete of high reflectance, is at least 75% aluminium as the plating reflectivity, to improve the light efficiency of floodlight.The transparent member of floodlight can adopt plate glass, as is located at the plate glass of reflector light-emitting window, and it does not participate in the luminous intensity distribution design, avoids the light decay that lens causes in the existing design, more is conducive to improve the efficient of floodlight.
As shown in Figure 7, the LED light fixture that the embodiment of the invention provides has 20 above-mentioned floodlights 71, and the LED that this floodlight employing power is 1W is as light source.Floodlight in this LED light fixture is 4 * 5 arrayed, this floodlight array is of a size of 70mm * 56mm * 8.3mm, thereby be about 30mm with the Thickness Design of whole LED light fixture easily, the LED light fixture of this size is specially adapted to fluffy ceiling light and the ceiling light of power ship.
As shown in Figure 8, the luminous angle of the LED light fixture that the embodiment of the invention provides is 60 ± 2.5 °, and uniformity of illuminance is high in this luminous angle.
The embodiment of the invention is formed the inner surface of floodlight reflector by the broken line rotation, the direct outgoing of light sub-fraction that light source sends, most of intersection outgoing after the reflector reflection, the luminous angle of floodlight is 60 ± 2.5 °, uniformity of illuminance is high in this luminous angle, satisfy the light distribution requirements of floodlight, and can significantly reduce the size of reflector, also little by its size of making floodlight and LED light fixture, be applicable to the occasion that the light fixture size is had strict demand, can be used as fluffy ceiling light and the ceiling light of power ship especially.In addition, the inner surface of reflector is coated with the rete of high reflectance, to improve the light efficiency of floodlight.
The above only is preferred embodiment of the present invention, not in order to limiting the present invention, all any modifications of doing within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1. a floodlight reflector is characterized in that, rotation forms the inner surface of described reflector around an axis by a broken line, and described broken line is in turn connected to form by the multistage line segment; The projected length of each line segment on described axis is 0.6~3.0mm, and the extended line of described broken line and the angle of described axis are 0~45 °; The optical axis coincidence of described axis and light source; The quantity of described line segment is five sections, is respectively: first line segment, second line segment, the 3rd line segment, the 4th line segment and the 5th line segment; The projected length of described first line segment on described axis is 0.6~1.0mm, the angle of its extended line and described axis is 40~45 °, it forms first conical surface around the rotation of described axis, described first conical surface end has necking end, described necking end is used for installing the light source of light-emitting area and described end part aligning, and the luminous angle that described first conical surface sends for the described light source of reflection is 80 °~90 ° light; The projected length of described second line segment on described axis is 0.9~1.3mm, the angle of its extended line and described axis is 30~35 °, it forms second conical surface around the rotation of described axis, and the luminous angle that described second conical surface sends for the described light source of reflection is 70 °~80 ° light; The projected length of described the 3rd line segment on described axis is 1.4~1.8mm, the angle of its extended line and described axis is 20~25 °, it forms the 3rd conical surface around the rotation of described axis, and the luminous angle that described the 3rd conical surface sends for the described light source of reflection is 60 °~70 ° light; The projected length of described the 4th line segment on described axis is 2.0~2.5mm, the angle of its extended line and described axis is 10~15 °, it forms the 4th conical surface around the rotation of described axis, and the luminous angle that described the 4th conical surface sends for the described light source of reflection is 50 °~60 ° light; The projected length of described the 5th line segment on described axis is 2.4~3.0mm, the angle of its extended line and described axis is 0~5 °, it forms the 5th conical surface around the rotation of described axis, and the luminous angle that described the 5th conical surface sends for the described light source of reflection is 40 °~50 ° light.
2. floodlight reflector as claimed in claim 1 is characterized in that, the projected length of described first line segment on described axis is 0.8mm, and the angle of its extended line and described axis is 43.5 °; The projected length of described second line segment on described axis is 1.2mm, and the angle of its extended line and described axis is 33.5 °; The projected length of described the 3rd line segment on described axis is 1.6mm, and the angle of its extended line and described axis is 23.5 °; The projected length of described the 4th line segment on described axis is 2.1mm, and the angle of its extended line and described axis is 13.5 °; The projected length of described the 5th line segment on described axis is 2.6mm, and the angle of its extended line and described axis is 3.5 °.
3. floodlight reflector as claimed in claim 1 is characterized in that, the inner surface of described reflector is coated with reflectivity and is at least 75% aluminium film.
4. floodlight comprises: reflector and be located at the light source of the end of described reflector is characterized in that described reflector adopts as each described floodlight reflector of claim 1 to 2.
5. floodlight as claimed in claim 4 is characterized in that, described light source is LED, and the luminous angle of described LED is 110~130 °; The light-emitting area of described LED is concordant with the bottom surface of described reflector, and the optical axis of described LED overlaps with described axis.
6. floodlight as claimed in claim 5 is characterized in that, the inner surface of described reflector is coated with reflectivity and is at least 75% aluminium film.
7. LED light fixture comprises: a plurality of a plurality of described floodlights are array arranges, and it is characterized in that mainly by reflector be located at the floodlight that the LED of the end of described reflector constitutes, and described floodlight adopts as claim 5 or 6 described floodlights.
8. a power ship is characterized in that, described power ship has LED light fixture as claimed in claim 7.
Priority Applications (1)
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CN 201010178948 CN101832511B (en) | 2010-05-19 | 2010-05-19 | Floodlight reflector, floodlight and powerboat |
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CN 201010178948 CN101832511B (en) | 2010-05-19 | 2010-05-19 | Floodlight reflector, floodlight and powerboat |
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CN101832511A CN101832511A (en) | 2010-09-15 |
CN101832511B true CN101832511B (en) | 2013-10-09 |
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Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
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CN102478213A (en) * | 2010-11-24 | 2012-05-30 | 海洋王照明科技股份有限公司 | Reflector and LED (light emitting diode) lamp with same |
CN102478212A (en) * | 2010-11-24 | 2012-05-30 | 海洋王照明科技股份有限公司 | Reflector and LED (light emitting diode) lamp with same |
CN102478215A (en) * | 2010-11-24 | 2012-05-30 | 海洋王照明科技股份有限公司 | Reflector and LED (light emitting diode) lamp with same |
CN102478211A (en) * | 2010-11-24 | 2012-05-30 | 海洋王照明科技股份有限公司 | Reflector and LED (light emitting diode) lamp with same |
CN102759062B (en) * | 2011-04-26 | 2014-07-09 | 海洋王照明科技股份有限公司 | LED (Light Emitting Diode) floodlight lens and LED floodlight as well as lighting equipment |
CN113823725B (en) * | 2019-01-28 | 2023-07-25 | 南通大学 | Spherical light source packaging method for head lamp for solving short-range hollow light beam |
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CN2072511U (en) * | 1990-02-10 | 1991-03-06 | 无锡县前洲水利工程机械厂 | Multi-purpose motor boat |
CN1404564A (en) * | 2000-12-21 | 2003-03-19 | 皇家菲利浦电子有限公司 | Luminaire with a reflector and LEDS |
CN101410667A (en) * | 2006-03-23 | 2009-04-15 | 皇家飞利浦电子股份有限公司 | Lighting device with OLEDs |
CN201293220Y (en) * | 2008-11-27 | 2009-08-19 | 朱一鸣 | LED floodlight |
CN201396701Y (en) * | 2009-04-17 | 2010-02-03 | 天津市精唯光电科技有限公司 | Reflector dedicated for lamp |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH0498002A (en) * | 1990-08-13 | 1992-03-30 | Mitsubishi Heavy Ind Ltd | Start-up method of boiler |
JP3145919B2 (en) * | 1996-04-30 | 2001-03-12 | 株式会社小糸製作所 | Vehicle lighting |
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2010
- 2010-05-19 CN CN 201010178948 patent/CN101832511B/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2072511U (en) * | 1990-02-10 | 1991-03-06 | 无锡县前洲水利工程机械厂 | Multi-purpose motor boat |
CN1404564A (en) * | 2000-12-21 | 2003-03-19 | 皇家菲利浦电子有限公司 | Luminaire with a reflector and LEDS |
CN101410667A (en) * | 2006-03-23 | 2009-04-15 | 皇家飞利浦电子股份有限公司 | Lighting device with OLEDs |
CN201293220Y (en) * | 2008-11-27 | 2009-08-19 | 朱一鸣 | LED floodlight |
CN201396701Y (en) * | 2009-04-17 | 2010-02-03 | 天津市精唯光电科技有限公司 | Reflector dedicated for lamp |
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