CN101832510A - Flood light reflector, flood light and motor boat - Google Patents
Flood light reflector, flood light and motor boat Download PDFInfo
- Publication number
- CN101832510A CN101832510A CN201010178940A CN201010178940A CN101832510A CN 101832510 A CN101832510 A CN 101832510A CN 201010178940 A CN201010178940 A CN 201010178940A CN 201010178940 A CN201010178940 A CN 201010178940A CN 101832510 A CN101832510 A CN 101832510A
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- reflector
- axis
- light
- line segment
- floodlight
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Abstract
The invention is suitable for the lighting field and provides a flood light reflector, a flood light and a motor boat. The inner surface of the reflector is formed by rotating a fold line section around an axle line, and the fold line section is formed by sequentially connecting a plurality of line sections; each line section has a projected length of 0.6-1.8mm on the axle line, and the extended line of the fold line section has an included angle of 5-40 degrees with the axle line; and the axle line and the optical shaft of a light source coincide. In the embodiment of the invention, the fold line section is rotated to form the inner surface of the flood light reflector, a minor part of light rays emitted by the light source directly emerges out, and the major part emerges out in a crossing way after being reflected by the reflector; a light-emitting angle of the flood light is 80+/-2.5 degrees, and the illuminance uniformity inside the light-emitting angle is extremely high and meets the light distribution requirements of the flood light; and moreover, the size of the reflector can be greatly reduced, and the flood light and the LED lamps made by the reflector also have small sizes, are suitable for occasions having strict requirements on the sizes of the lamps and particularly can be used as the dome light and the ceiling light of the motor boat.
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 the floodlight of LED, generally adopt reflector to carry out luminous intensity distribution as light source.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 20mm, and the diameter of light-emitting window is greater than 45mm; For 4 * 5 floodlight array, its size is at least 225mm * 180mm * 21.4mm, 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 the 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 80 ± 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 80 ± 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 0.6～1.8mm, and the extended line of described broken line and the angle of described axis are 5～40 °; 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 0.6～1.8mm, and the extended line of described broken line and the angle of described axis are 5～40 °; 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 0.6～1.8mm, and the extended line of described broken line and the angle of described axis are 5～40 °; 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 by the inner surface of broken line rotation formation floodlight reflector, 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 80 ± 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 the 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,, the present invention is further elaborated below in conjunction with drawings and Examples.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.
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), the 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 0.6～1.8mm, and the extended line of described broken line and the angle of described axis are 5～40 °; 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 0.6～1.8mm, and the extended line of described broken line and the angle of described axis are 5～40 °; 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 0.6～1.8mm, and the extended line of described broken line and the angle of described axis are 5～40 °; 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 with LED to the embodiment of the invention.
Shown in Fig. 2～5, the floodlight that the embodiment of the invention provides comprises reflector 10 and is located at the LED20 of reflector end.The inner surface of reflector 10 is for being the surfaces of revolution that the axis rotation of reflector 10 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 and the 4th line segment 14.
Concrete, the angle of the axis of the extended line of first line segment 11 and reflector 10 is 35～40 °, its projected length on the axis is 0.6～1.0mm, and the luminous angle that first conical surface, the 15 main reflection LED20 that formed by its rotation send is 80～90 ° a light; The angle of the axis of the extended line of second line segment 12 and reflector 10 is 25～30 °, and its projected length on the axis is 0.8～1.2mm, and the luminous angle that second conical surface, the 16 main reflection LED20 that formed by its rotation send is 70～80 ° a light; The angle of the axis of the extended line of the 3rd line segment 13 and reflector 10 is 15～20 °, and its projected length on the axis is 1.0～1.4mm, and the luminous angle that the third hand tap face 17 main reflection LED20 that formed by its rotation send is 60～70 ° a light; The angle of the axis of the extended line of the 4th line segment 14 and reflector 10 is 5～10 °, and its projected length on the axis is 1.4～1.8mm, and the luminous angle that the 4th conical surface 18 main reflection LED20 that formed by its rotation send is 50～60 ° a light.
The preferred luminous angle of the embodiment of the invention be 110～130 ° LED20 as light source, the diameter of this LED20 is less than 8mm.LED20 is placed the necking end of first conical surface 15, and the light-emitting area of LED20 is alignd with the bottom (benchmark) of reflector 10, and the optical axis of LED20 overlaps with the axis of reflector 10.
As shown in Figure 6, the direct outgoing of light sub-fraction that LED20 sends, most of light is through reflector 10 reflection outgoing.The light that is positioned at optical axis one side that LED20 sends through first conical surface, 15 reflections of reflector 10, is the opposite side outgoing of axis towards optical axis; The light that is positioned at optical axis one side that LED20 sends through second conical surface, 16 reflections of reflector 10, is the opposite side outgoing of axis towards optical axis; The light that is positioned at optical axis one side that LED20 sends through third hand tap face 17 reflections of reflector 10, is the opposite side outgoing of axis towards optical axis; The light that is positioned at optical axis one side that LED20 sends through the 4th conical surface 18 reflections of reflector 10, is the opposite side outgoing of axis towards optical axis.Hence one can see that, through the light intersection outgoing of reflector 10 reflections.
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 10 and reflector 10 is 36.5 °, 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 10 is 26.5 °, and its projected length on the axis is 1.1mm; The angle of the axis of the extended line of the 3rd line segment 13 and reflector 10 is 16.5 °, and its projected length on the axis is 1.3mm; The angle of the axis of the extended line of the 4th line segment 14 and reflector 10 is 6.5 °, and its projected length on the axis is 1.6mm.The diameter of this reflector 10 bottoms is 8mm, and the diameter of light-emitting window only is 11.4mm, and the height of reflector 10 (degree of depth) only is 4.8mm, and the existing reflector of its overall dimensions reduces significantly.Wherein the luminous angle of LED20 is 120 °, and the diameter of this LED20 is less than 8mm.
The inner surface of the reflector 10 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 Parts 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 helps improving 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 57mm * 45.6mm * 4.8mm, thereby be 20～30mm with the Thickness Design of whole LED light fixture easily, the LED light fixture of this size is specially adapted to the 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 80 ± 2.5 °, and uniformity of illuminance is high in this luminous angle.
The embodiment of the invention is by the inner surface of broken line rotation formation floodlight reflector, 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 80 ± 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 the 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 restriction the present invention, all any modifications of being done 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 (10)
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 0.6～1.8mm, and the extended line of described broken line and the angle of described axis are 5～40 °; The optical axis coincidence of described axis and light source.
2. floodlight reflector as claimed in claim 1 is characterized in that, the quantity of described line segment is four sections, is respectively: first line segment, second line segment, the 3rd line segment and the 4th line segment; The projected length of described first line segment on described axis is 0.6～1.0mm, and the angle of its extended line and described axis is 35～40 °; The projected length of described second line segment on described axis is 0.8～1.2mm, and the angle of its extended line and described axis is 25～30 °; The projected length of described the 3rd line segment on described axis is 1.0～1.4mm, and the angle of its extended line and described axis is 15～20 °; The projected length of described the 4th line segment on described axis is 1.4～1.8mm, and the angle of its extended line and described axis is 5～10 °.
3. floodlight reflector as claimed in claim 2 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 36.5 °; The projected length of described second line segment on described axis is 1.1mm, and the angle of its extended line and described axis is 26.5 °; The projected length of described the 3rd line segment on described axis is 1.3mm, and the angle of its extended line and described axis is 16.5 °; The projected length of described the 4th line segment on described axis is 1.6mm, and the angle of its extended line and described axis is 6.5 °.
4. as claim 2 or 3 described floodlight reflectors, it is characterized in that the luminous angle that the first conical reflecting light source that is formed by described first line segment rotation sends is 80～90 ° a light; The luminous angle that the second conical reflecting light source that is formed by described second line segment rotation sends is 70～80 ° a light; The luminous angle that the third hand tap face reflection source that is formed by described the 3rd line segment rotation sends is 60～70 ° a light; The luminous angle that the 4th conical reflecting light source that is formed by described the 4th line segment rotation sends is 50～60 ° a light.
5. floodlight reflector as claimed in claim 4 is characterized in that, the inner surface of described reflector is coated with reflectivity and is at least 75% aluminium film.
6. 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 3.
7. floodlight as claimed in claim 6 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.
8. floodlight as claimed in claim 7 is characterized in that, the inner surface of described reflector is coated with reflectivity and is at least 75% aluminium film.
9. 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 7 or 8 described floodlights.
10. a power ship is characterized in that, described power ship has LED light fixture as claimed in claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010178940A CN101832510A (en) | 2010-05-19 | 2010-05-19 | Flood light reflector, flood light and motor boat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010178940A CN101832510A (en) | 2010-05-19 | 2010-05-19 | Flood light reflector, flood light and motor boat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101832510A true CN101832510A (en) | 2010-09-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010178940A Pending CN101832510A (en) | 2010-05-19 | 2010-05-19 | Flood light reflector, flood light and motor boat |
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| Country | Link |
|---|---|
| CN (1) | CN101832510A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN102759065A (en) * | 2011-04-26 | 2012-10-31 | 海洋王照明科技股份有限公司 | Light emitting diode (LED) flood lens, LED flood lamp and lighting equipment |
| WO2013097479A1 (en) * | 2011-12-31 | 2013-07-04 | 深圳市光峰光电技术有限公司 | Light uniforming element and light source system |
| CN103994397A (en) * | 2013-02-20 | 2014-08-20 | 海洋王（东莞）照明科技有限公司 | Lamp and reflector thereof |
| CN104406127A (en) * | 2014-11-14 | 2015-03-11 | 深圳科宏健半导体照明有限公司 | Light distribution reflector for LED (light-emitting diode) light source and LED lamp |
Citations (4)
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| US4557569A (en) * | 1983-11-17 | 1985-12-10 | The United States Of America As Represented By The Secretary Of The Army | Distended point source reflector having conical sections |
| CN2289130Y (en) * | 1996-01-18 | 1998-08-26 | 康松高 | High-efficiency energy-saving illuminating lamp |
| 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 |
| 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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2010
- 2010-05-19 CN CN201010178940A patent/CN101832510A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4557569A (en) * | 1983-11-17 | 1985-12-10 | The United States Of America As Represented By The Secretary Of The Army | Distended point source reflector having conical sections |
| CN2289130Y (en) * | 1996-01-18 | 1998-08-26 | 康松高 | High-efficiency energy-saving illuminating lamp |
| 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 |
| 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 |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN102759065A (en) * | 2011-04-26 | 2012-10-31 | 海洋王照明科技股份有限公司 | Light emitting diode (LED) flood lens, LED flood lamp and lighting equipment |
| CN102759065B (en) * | 2011-04-26 | 2014-12-10 | 海洋王照明科技股份有限公司 | Light emitting diode (LED) flood lens, LED flood lamp and lighting equipment |
| WO2013097479A1 (en) * | 2011-12-31 | 2013-07-04 | 深圳市光峰光电技术有限公司 | Light uniforming element and light source system |
| CN103994397A (en) * | 2013-02-20 | 2014-08-20 | 海洋王（东莞）照明科技有限公司 | Lamp and reflector thereof |
| CN104406127A (en) * | 2014-11-14 | 2015-03-11 | 深圳科宏健半导体照明有限公司 | Light distribution reflector for LED (light-emitting diode) light source and LED lamp |
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Application publication date: 20100915 |