CN102278707B - Reflector and floodlight using same - Google Patents
Reflector and floodlight using same Download PDFInfo
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- CN102278707B CN102278707B CN201010202256.2A CN201010202256A CN102278707B CN 102278707 B CN102278707 B CN 102278707B CN 201010202256 A CN201010202256 A CN 201010202256A CN 102278707 B CN102278707 B CN 102278707B
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Abstract
The invention relates to a reflector and a floodlight using the same. The reflection surface of the reflector is formed by rotating a broken line segment around a central axis line which is spaced with the broken line segment, wherein the broken line segment comprises a plurality of segments which are connected in sequence; the projection length of each segment on the central axis line is 3.5-25.6mm; and the included angle between each segment of the broken line segment and the central axis line is 14.8-65.2 DEG. According to the invention, the reflection surface is formed by rotating the broken line segment around the central axis line which is spaced with the broken line segment, the broken line segment comprises a plurality of segments which are connected in sequence, the projection length of each segment on the central axis line is 3.5-25.6mm, and the included angle between each segment of the broken line segment and the central axis line is 14.8-65.2 DEG, therefore the uniform reflection of light of a light source and the control over the light emitting angle are realized, the light emitting angle is controlled within 40+/-2 DEG, and the performance of the reflector is greatly improved.
Description
[technical field]
The present invention relates to a kind of lighting device, the floodlight that relates in particular to a kind of reflector and use this reflector.
[background technology]
Automobile Metal halogen lamp is generally used for automobile lamp, has that volume is little, light efficiency is high, luminous flux advantages of higher, is also applied to more and more Partable electric lighting, search light fixture peculiar to vessel etc.
Use the lamp distribution design of automobile Metal halogen lamp generally to have two kinds of modes: optically focused and floodlight, wherein the light-configuration mode of optically focused is many.The general mode adopting of floodlight is in the mode of optically focused, and the paraboloid that light fixture is used (optically focused is all generally to utilize paraboloid to realize) carries out blasting treatment, reflector reverberation is dispersed and is reached the object of floodlight.
But there is following deficiency in the reflector of this floodlight mode:
(1) sandblast greatly declines the reflectivity of reflector, and general reflectivity, less than 50%, seriously reduces the light efficiency of light fixture, thereby needs increased power dissipation, wastes energy.
(2) blasting craft is time-consuming, and technique exists the uncertainty of manual operation, and the uniformity that causes product is not fine.
(3) light emitting anger of uncontrollable Flood lamps and lanterns and non-uniform light, middle very fraction region brighter (impact that originally optically focused stays) often, the light ratio on side dark (because the light of inefficient reflector reflection is bright not).
[summary of the invention]
In view of this, be necessary to propose a kind of light emitting anger and can be controlled in 40 ± 2 degree and luminous uniform reflectors.
In addition, can also provide a kind of light emitting anger to can be controlled in 40 ± 2 degree and luminous uniform floodlights.
Adopt following technical scheme to realize above-mentioned purpose:
, the reflecting surface of described reflector is formed with the spaced axis rotation of described broken line around one by a broken line, and described broken line comprises the line segment that multistage connects successively; The projected length of each line segment on described axis is 3.5～25.6mm, and the angle of each line segment of described broken line and described axis is 14.8～65.2 degree.
Preferably, the quantity of described line segment is nine sections, is respectively: the first line segment, the second line segment, the 3rd line segment, the 4th line segment, the 5th line segment, the 6th line segment, the 7th line segment, the 8th line segment and the 9th line segment.
Preferably, the projected length of described the first line segment on described axis is 3.7 ± 0.2mm, with the angle of described axis be 65 ± 0.2 degree;
The projected length of described the second line segment on described axis is 3.8 ± 0.2mm, with the angle of described axis be 58.5 ± 0.2 degree;
The projected length of described the 3rd line segment on described axis is 5.0 ± 0.2mm, with the angle of described axis be 52.5 ± 0.2 degree;
The projected length of described the 4th line segment on described axis is 6.5 ± 0.2mm, with the angle of described axis be 45.5 ± 0.2 degree;
The projected length of described the 5th line segment on described axis is 8.3 ± 0.2mm, with the angle of described axis be 39.0 ± 0.2 degree;
The projected length of described the 6th line segment on described axis is 10.8 ± 0.2mm, with the angle of described axis be 33.0 ± 0.2 degree;
The projected length of described the 7th line segment on described axis is 14.0 ± 0.2mm, with the angle of described axis be 27.0 ± 0.2 degree;
The projected length of described the 8th line segment on described axis is 18.7 ± 0.2mm, with the angle of described axis be 21.0 ± 0.2 degree;
The projected length of described the 9th line segment on described axis is 25.4 ± 0.2mm, with the angle of described axis be 15.0 ± 0.2 degree.
Preferably, the projected length of described the first line segment on described axis is 3.7mm, with the angle of described axis be 65 degree;
The projected length of described the second line segment on described axis is 3.8mm, with the angle of described axis be 58.5 degree;
The projected length of described the 3rd line segment on described axis is 5.0mm, with the angle of described axis be 52.5 degree;
The projected length of described the 4th line segment on described axis is 6.5mm, with the angle of described axis be 45.5 degree;
The projected length of described the 5th line segment on described axis is 8.3mm, with the angle of described axis be 39.0 degree;
The projected length of described the 6th line segment on described axis is 10.8mm, with the angle of described axis be 33.0 degree;
The projected length of described the 7th line segment on described axis is 14.0mm, with the angle of described axis be 27.0 degree;
The projected length of described the 8th line segment on described axis is 18.7mm, with the angle of described axis be 21.0 degree;
The projected length of described the 9th line segment on described axis is 25.4mm, with the angle of described axis be 15.0 degree.
Preferably, the luminous intensity distribution angle that the first conical reflecting light source being formed by described the first line segment rotation sends is the light of 130～140 degree;
The luminous intensity distribution angle that the second conical reflecting light source being formed by described the second line segment rotation sends is the light of 120～130 degree;
The luminous intensity distribution angle that the having three pyramidal faces reflection source being formed by described the 3rd line segment rotation sends is the light of 110～120 degree;
The luminous intensity distribution angle that the 4th conical reflecting light source being formed by described the 4th line segment rotation sends is the light of 100～110 degree;
The luminous intensity distribution angle that the 5th conical reflecting light source being formed by described the 5th line segment rotation sends is the light of 90～100 degree;
The luminous intensity distribution angle that the 6th conical reflecting light source being formed by described the 6th line segment rotation sends is the light of 80～90 degree;
The luminous intensity distribution angle that the 7th conical reflecting light source being formed by described the 7th line segment rotation sends is the light of 70～80 degree;
The luminous intensity distribution angle that the 8th conical reflecting light source being formed by described the 8th line segment rotation sends is the light of 60～70 degree;
The luminous intensity distribution angle that the 9th conical reflecting light source being formed by described the 9th line segment rotation sends is the light of 50～60 degree.
Preferably, described reflector inner surface is coated with reflectivity and is at least 70% aluminium film.
Preferably, described reflecting surface bottom diameter is 40 ± 0.5mm, and light-emitting window diameter is 184mm.
, comprising: reflector and be located at the light source in described reflector, described reflector adopts above-mentioned reflector.
Preferably, described light source is gold-halogen lamp light source, and the bottom less near described reflector opening arranges, and the optical axis of described light source overlaps with described axis, and the luminous site of described light source is in distance 27.3 ± 0.2mm place, described reflector bottom, axis.
Preferably, the luminous site of described light source is in distance 27.3mm place, described reflector bottom, axis.
Above-mentioned transmitter and floodlight, reflecting surface is formed with broken line spaced axis rotation around one by a broken line, broken line comprises that the multistage line segment and the projected length of each line segment on axis that connect are successively 3.5～25.6mm, the angle of each line segment of broken line and described axis is 14.8～65.2 degree, thereby realize the even reflection of source light and the control of light emitting anger, control in light emitting anger 40 ± 2 degree, greatly improved the performance of reflector.
Meanwhile, this reflector plates the aluminium film of high reflectance (more than 70%) at each reflection conical surface after adopting rotary press modelling, thereby guarantees uniformity and reliability, improves reflectivity and the performance of reflector, has reduced expense.
[accompanying drawing explanation]
Fig. 1 is reflector structure profile in an embodiment;
Fig. 2 is transmitter top view in an embodiment;
Fig. 3 is reflector structure side view in an embodiment;
Fig. 4 is the distribution curve flux schematic diagram of light source in an embodiment;
Fig. 5 is reflector light reflection schematic diagram in an embodiment;
Fig. 6 is the distribution curve flux schematic diagram of reflector emergent ray in an embodiment.
[specific embodiment]
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail.
The inner surface of this reflector is reflecting surface, and reflecting surface bottom end opening is less, for light source is installed, is light source opening; What opening was larger is front end, is light-emitting window.The broken line (rotation bus) that reflecting surface is comprised of the multistage line segment that extends upward connection successively from reflecting surface bottom forms around axis rotating 360 degrees, and its multistage line segment has formed a plurality of reflection conical surfaces that are linked in sequence after the rotating 360 degrees of axis.The projected length of each line segment on axis is 3.5～25.6mm, with the angle of axis be 14.8～65.2 degree.
A plurality of reflection cones are faced the light being arranged in the different luminous intensity distributions of axis specific location light source angle and are evenly reflected, and control light emitting anger at 40 ± 2 degree.The optical axis of light source overlaps with axis.
Fig. 1 is reflector structure profile in an embodiment.Fig. 2 is transmitter top view in an embodiment.Fig. 3 is reflector structure side view in an embodiment.In conjunction with Fig. 1～Fig. 3
By rotation bus 400, around axis, 500 rotating 360 degrees form reflecting surface 100.Rotation bus 400 is broken line, by extend upward the multistage broken line connecting successively from reflecting surface bottom 200, forms.Each reflection conical surface of every section of broken line 500 rotating 360 degrees formation reflectings surface 100 around axis, each reflection conical surface is identical with broken line highly corresponding thereto with the angle of axis 500.
In this embodiment, rotation bus 400 is by starting to extend upward from reflecting surface bottom 200, and 9 sections of broken lines that connect successively form, and are respectively:
(1) first line segment 410, with the angle of axis 500 be 65 ± 0.2 degree, be preferably 65 degree, be highly 3.7 ± 0.2mm, be preferably 3.7mm, around axis, 500 rotating 360 degrees form first and reflect the conical surfaces 110.
(2) second line segments 420, with the angle of axis 500 be 58.5 ± 0.2 degree, be preferably 58.5 degree, be highly 3.8 ± 0.2mm, be preferably 3.8mm, around axis, 500 rotating 360 degrees form second and reflect the conical surfaces 120.
(3) the 3rd line segments 430, with the angle of axis 500 be 52.5 ± 0.2 degree, be preferably 52.5 degree, be highly 5.0 ± 0.2mm, be preferably 5.0mm, around axis, 500 rotating 360 degrees form the 3rd and reflect the conical surfaces 130.
(4) the 4th line segments 440, with the angle of axis 500 be 45.5 ± 0.2 degree, be preferably 45.5 degree, be highly 6.5 ± 0.2mm, be preferably 6.5mm, around axis, 500 rotating 360 degrees form the 4th and reflect the conical surfaces 140.
(5) the 5th line segments 450, with the angle of axis 500 be 39.0 ± 0.2 degree, be preferably 39.0 degree, be highly 8.3 ± 0.2mm, be preferably 8.3mm, around axis, 500 rotating 360 degrees form the 5th and reflect the conical surfaces 150.
(6) the 6th line segments 460, with the angle of axis 500 be 33.0 ± 0.2 degree, be preferably 33.0 degree, be highly 10.8 ± 0.2mm, be preferably 10.8mm, around axis, 500 rotating 360 degrees form the 6th and reflect the conical surfaces 160.
(7) the 7th line segments 470, with the angle of axis 500 be 27.0 ± 0.2 degree, be preferably 27.0 degree, be highly 14.0 ± 0.2mm, be preferably 14.0mm, around axis, 500 rotating 360 degrees form the 7th and reflect the conical surfaces 170.
(8) the 8th line segments 480, with the angle of axis 500 be 21.0 ± 0.2 degree, be preferably 21.0 degree, be highly 18.7 ± 0.2mm, be preferably 18.7mm, around axis, 500 rotating 360 degrees form the 8th and reflect the conical surfaces 180.
(9) the 9th line segments 490, with the angle of axis 500 be 15.0 ± 0.2 degree, be preferably 15.0 degree, be highly 25.4 ± 0.2mm, be preferably 25.4mm, around axis, 500 rotating 360 degrees form the 9th and reflect the conical surfaces 190.
Reflecting surface bottom 200 diameters are 40 ± 0.5mm, are preferably 40mm, and light-emitting window 300 diameters are preferably 184mm.Reflector height is preferably 96.2mm.
Fig. 4 is the distribution curve flux schematic diagram of light source in an embodiment.This light source is automobile gold-halogen lamp light source, and the light portion that light source 600 sends is directly penetrated by light-emitting window 300, most of through reflector reflection ejaculation.In conjunction with Fig. 1～Fig. 4:
The the first reflection main reflection source of the conical surface 110 600 luminous intensity distribution angles are at the light of 130～140 degree;
The the second reflection main reflection source of the conical surface 120 600 luminous intensity distribution angles are at the light of 120～130 degree;
The 3rd reflection main reflection source of the conical surface 130 600 luminous intensity distribution angles are at the light of 110～120 degree;
The 4th reflection main reflection source of the conical surface 140 600 luminous intensity distribution angles are at the light of 100～110 degree;
The 5th reflection main reflection source of the conical surface 150 600 luminous intensity distribution angles are at the light of 90～100 degree;
The 6th reflection main reflection source of the conical surface 160 600 luminous intensity distribution angles are at the light of 80～90 degree;
The 7th reflection main reflection source of the conical surface 170 600 luminous intensity distribution angles are at the light of 70～80 degree;
The 8th reflection main reflection source of the conical surface 180 600 luminous intensity distribution angles are at the light of 60～70 degree;
The 9th reflection main reflection source of the conical surface 190 600 luminous intensity distribution angles are at the light of 50～60 degree.
Fig. 5 is reflector light reflection schematic diagram in an embodiment.Fig. 6 is the distribution curve flux schematic diagram of reflector emergent ray in an embodiment.In conjunction with Fig. 5 and Fig. 6, can find out, reflector reflecting surface 100 each reflection cone are in the face of after the light in the different luminous intensity distributions of light source 600 angle reflects, the reflection ray straight line of arrow (in the Fig. 5 with) uniform, emergent light luminous intensity distribution angle is all in 40 ± 2 degree (Fig. 6), this reflector is controlled light emitting anger in 40 ± 2 degree, and bright dipping is even.
Through measuring, setting reflecting surface bottom 200 diameters is 40mm, and light-emitting window 300 diameters are 184mm, and light source 600 luminous components 610 are positioned at 200 datum line 27.3mm places, distance between center line reflecting surface bottom.Light source 600 adopts automobile gold-halogen lamp light source.When reflecting surface respectively reflects conical surface angle and highly all gets preferred value, the light emitting anger of reflector is 40 degree.When reflecting surface respectively reflects conical surface angle and highly all gets minimum edge dividing value and when reflecting surface respectively reflects conical surface angle and highly all gets maximum boundary value, reflector light emitting anger is all in 40 ± 2 degree.
In addition,, in this embodiment, reflector structure adopts the aluminium film formation of plating high reflectance (more than 70%) at each reflection conical surface (inner surface) after rotary press modelling, simple to operate, thereby guarantee uniformity and reliability, improve reflectivity and the performance of reflector, reduced expense.
Above-mentioned transmitter, reflecting surface is revolved and forms with the spaced axis of broken line around one by a broken line, broken line comprises that the multistage line segment and the projected length of each line segment on axis that connect are successively 3.5～25.6mm, the angle of each line segment of broken line and described axis is 14.8～65.2 degree, thereby realize the even reflection of source light and the control of light emitting anger, control in light emitting anger 40 ± 2 degree, greatly improved the performance of reflector.
Meanwhile, this reflector plates the aluminium film of high reflectance (more than 70%) at each reflection conical surface after adopting rotary press modelling, thereby guarantees uniformity and reliability, improves reflectivity and the performance of reflector, has reduced expense.
The above embodiment has only expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (7)
1. a reflector, is characterized in that: the reflecting surface of described reflector is formed with the spaced axis rotation of described broken line around one by a broken line, and described broken line comprises the line segment that multistage connects successively; The projected length of each line segment on described axis is 3.5～25.6mm, the angle of each line segment of described broken line and described axis is 14.8～65.2 degree, the quantity of described line segment is nine sections, is respectively: the first line segment, the second line segment, the 3rd line segment, the 4th line segment, the 5th line segment, the 6th line segment, the 7th line segment, the 8th line segment and the 9th line segment;
The projected length of described the first line segment on described axis is 3.7mm, with the angle of described axis be 65 degree;
The projected length of described the second line segment on described axis is 3.8mm, with the angle of described axis be 58.5 degree;
The projected length of described the 3rd line segment on described axis is 5.0mm, with the angle of described axis be 52.5 degree;
The projected length of described the 4th line segment on described axis is 6.5mm, with the angle of described axis be 45.5 degree;
The projected length of described the 5th line segment on described axis is 8.3mm, with the angle of described axis be 39.0 degree;
The projected length of described the 6th line segment on described axis is 10.8mm, with the angle of described axis be 33.0 degree;
The projected length of described the 7th line segment on described axis is 14.0mm, with the angle of described axis be 27.0 degree;
The projected length of described the 8th line segment on described axis is 18.7mm, with the angle of described axis be 21.0 degree;
The projected length of described the 9th line segment on described axis is 25.4mm, with the angle of described axis be 15.0 degree;
The light emitting anger of described reflector is controlled in 40 ± 2 degree.
2. reflector according to claim 1, is characterized in that,
The luminous intensity distribution angle that the first conical reflecting light source being formed by described the first line segment rotation sends is the light of 130～140 degree;
The luminous intensity distribution angle that the second conical reflecting light source being formed by described the second line segment rotation sends is the light of 120～130 degree;
The luminous intensity distribution angle that the having three pyramidal faces reflection source being formed by described the 3rd line segment rotation sends is the light of 110～120 degree;
The luminous intensity distribution angle that the 4th conical reflecting light source being formed by described the 4th line segment rotation sends is the light of 100～110 degree;
The luminous intensity distribution angle that the 5th conical reflecting light source being formed by described the 5th line segment rotation sends is the light of 90～100 degree;
The luminous intensity distribution angle that the 6th conical reflecting light source being formed by described the 6th line segment rotation sends is the light of 80～90 degree;
The luminous intensity distribution angle that the 7th conical reflecting light source being formed by described the 7th line segment rotation sends is the light of 70～80 degree;
The luminous intensity distribution angle that the 8th conical reflecting light source being formed by described the 8th line segment rotation sends is the light of 60～70 degree;
The luminous intensity distribution angle that the 9th conical reflecting light source being formed by described the 9th line segment rotation sends is the light of 50～60 degree.
3. reflector according to claim 1, is characterized in that, described reflector inner surface is coated with reflectivity and is at least 70% aluminium film.
4. reflector according to claim 1, is characterized in that, described reflecting surface bottom diameter is 40 ± 0.5mm, and light-emitting window diameter is 184mm.
5. a floodlight, comprising: reflector and be located at the light source in described reflector, it is characterized in that, and described reflector adopts the reflector as described in claim 1 to 4 any one.
6. floodlight according to claim 5, it is characterized in that, described light source is gold-halogen lamp light source, the bottom less near described reflector opening arranges, the optical axis of described light source overlaps with described axis, and the luminous site of described light source is in distance 27.3 ± 0.2mm place, described reflector bottom, axis.
7. floodlight according to claim 5, is characterized in that, the luminous site of described light source is in distance 27.3mm place, described reflector bottom, axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010202256.2A CN102278707B (en) | 2010-06-13 | 2010-06-13 | Reflector and floodlight using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010202256.2A CN102278707B (en) | 2010-06-13 | 2010-06-13 | Reflector and floodlight using same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102278707A CN102278707A (en) | 2011-12-14 |
| CN102278707B true CN102278707B (en) | 2014-02-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201010202256.2A Active CN102278707B (en) | 2010-06-13 | 2010-06-13 | Reflector and floodlight using same |
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Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4354221A (en) * | 1980-11-07 | 1982-10-12 | Societe Anonyme Des Etablissements Adrien De Backer | Guidance light for airport runways |
| 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 |
| US6547416B2 (en) * | 2000-12-21 | 2003-04-15 | Koninklijke Philips Electronics N.V. | Faceted multi-chip package to provide a beam of uniform white light from multiple monochrome 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 |
| CN101832512B (en) * | 2010-05-19 | 2014-03-12 | 海洋王照明科技股份有限公司 | Flood light reflector, flood light and motor boat |
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2010
- 2010-06-13 CN CN201010202256.2A patent/CN102278707B/en active Active
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