CN102278706B - Reflector and floodlight by using same - Google Patents
Reflector and floodlight by using same Download PDFInfo
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- CN102278706B CN102278706B CN2010102022473A CN201010202247A CN102278706B CN 102278706 B CN102278706 B CN 102278706B CN 2010102022473 A CN2010102022473 A CN 2010102022473A CN 201010202247 A CN201010202247 A CN 201010202247A CN 102278706 B CN102278706 B CN 102278706B
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Abstract
The invention relates to a reflector and a floodlight by using the same. The reflecting surface of the reflector is formed by rotating a folded line segment around an axle wire spaced from the folded line segment, and the folded line segment comprises a plurality of line segments which are sequentially connected; the projecting length of each line segment on the axle wire is 3-26 mm; and the angle between each line segment of the folded line segment and the axle wire is 26-68 degrees. According to the invention, the reflecting surface of the reflector is formed by rotating the folded line segment around the axle wire spaced from the folded line segment; the folded line segment comprises a plurality of line segments which are sequentially connected, and the projecting length of each line segment on the axle wire is 3-26 mm; the angle between each line segment of the folded line segment and the axle wire is 26-68 degrees; therefore, the lights of a light source are evenly reflected and the light-emitting angle is controlled in a range of 20+/-2.5 degrees so that 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]
The automobile Metal halogen lamp generally is used for automobile lamp, has that volume is little, light efficiency is high, the luminous flux advantages of higher, also is 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 that dual mode is generally arranged: optically focused and floodlight, wherein the light-configuration mode of optically focused is many.The general mode that adopts of floodlight is on the mode of optically focused, and the paraboloid (optically focused generally all is to utilize paraboloid to realize) that light fixture is used carries out blasting treatment, reaches the purpose of floodlight so that the reflector reverberation is dispersed.
But there is following deficiency in the reflector of this floodlight mode:
(1) sandblast greatly descends the reflectivity of reflector, and general reflectivity seriously reduces the light efficiency of light fixture, thereby needs increased power dissipation less than 50%, wastes energy.
(2) blasting craft is time-consuming, and there is the uncertainty of manual operation in technique, and the uniformity that causes product is not fine.
(3) light emitting anger of uncontrollable Flood lamps and lanterns and non-uniform light, often in the middle of very fraction zone brighter (originally optically focused stay impact), the light ratio on next door dark (because the light that inefficient reflector reflects 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 20 ± 2.5 degree and luminous uniform reflectors.
In addition, can also provide a kind of light emitting anger to can be controlled in 20 ± 2.5 degree and luminous uniform floodlights.
Adopt following technical scheme to realize above-mentioned purpose:
A kind of reflector, the reflecting surface of described reflector is formed around an axis rotation that arranges with described broken line interval 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 3～26mm, and the angle of each line segment of described broken line and described axis is 26～68 degree.
Preferably, the quantity of described line segment is eight 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 and the 8th line segment.
Preferably, the projected length of described the first line segment on described axis is 3.0～3.5mm, and the angle of itself and described axis is 64～68 degree;
The projected length of described the second line segment on described axis is 4.2～4.8mm, with the angle of described axis be 58～64 degree;
The projected length of described the 3rd line segment on described axis is 4.6～5.2mm, with the angle of described axis be 52～56 degree;
The projected length of described the 4th line segment on described axis is 6.0～6.6mm, with the angle of described axis be 48～52 degree;
The projected length of described the 5th line segment on described axis is 8.0～9.0mm, with the angle of described axis be 42～46 degree;
The projected length of described the 6th line segment on described axis is 10～12mm, with the angle of described axis be 36～40 degree;
The projected length of described the 7th line segment on described axis is 15～18mm, with the angle of described axis be 30～34 degree;
The projected length of described the 8th line segment on described axis is 22～26mm, with the angle of described axis be 26～30 degree.
Preferably, the projected length of described the first line segment on described axis is 3.2mm, with the angle of described axis be 65 degree;
The projected length of described the second line segment on described axis is 4.3mm, with the angle of described axis be 60 degree;
The projected length of described the 3rd line segment on described axis is 4.8mm, with the angle of described axis be 54.8 degree;
The projected length of described the 4th line segment on described axis is 6.4mm, with the angle of described axis be 49.5 degree;
The projected length of described the 5th line segment on described axis is 8.6mm, with the angle of described axis be 43 degree;
The projected length of described the 6th line segment on described axis is 11.5mm, with the angle of described axis be 38 degree;
The projected length of described the 7th line segment on described axis is 16mm, with the angle of described axis be 32 degree;
The projected length of described the 8th line segment on described axis is 25.2mm, with the angle of described axis be 27 degree.
Preferably, the luminous intensity distribution angle that the first conical reflecting light source that is 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 that is 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 that is 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 that is 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 that is 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 that is formed by described the 6th line segment rotation sends is the light of 80～90 degree;
The luminous intensity distribution angle that the 5th conical reflecting light source that is formed by described the 7th line segment rotation sends is the light of 70～80 degree;
The luminous intensity distribution angle that the 6th conical reflecting light source that is formed by described the 8th line segment rotation sends is the light of 60～70 degree.
Preferably, described reflector inner surface is coated with reflectivity and is at least 65% aluminium film.
Preferably, described reflecting surface bottom diameter is 40 ± 1mm, and the light-emitting window diameter is 196mm.
A kind of floodlight comprises: reflector and the light source of being located in the 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 axis distance 27.3 ± 0.2mm place, described reflector bottom.
Preferably, the luminous site of described light source is in axis distance 27.3mm place, described reflector bottom.
Above-mentioned transmitter and floodlight, reflecting surface is formed around an axis rotation that arranges with the broken line interval by a broken line, broken line comprises that the multistage line segment and the projected length of each line segment on the axis that connect successively are 3～26mm, the angle of each line segment of broken line and described axis is 26～68 degree, thereby realize the even reflection of source light and the control of light emitting anger, in control light emitting anger 20 ± 2.5 degree, greatly improved the performance of reflector.
Simultaneously, this reflector plates the aluminium film of high reflectance (more than 65%) 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.
[description of drawings]
Fig. 1 is reflector structure profile among the embodiment;
Fig. 2 is transmitter top view among the embodiment;
Fig. 3 is reflector structure side view among the embodiment;
Fig. 4 is the distribution curve flux schematic diagram of light source among the embodiment;
Fig. 5 is reflector light reflection schematic diagram among the embodiment;
Fig. 6 is the distribution curve flux schematic diagram of reflector emergent ray among the 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 the bottom end opening of reflecting surface is less, is used for light source is installed, and is the light source opening; What opening was larger is front end, is light-emitting window.Reflecting surface is formed around the axis rotating 360 degrees by the broken line (rotation bus) that the multistage line segment that extends upward successively connection from the reflecting surface bottom forms, and its multistage line segment has formed a plurality of reflection conical surfaces that are linked in sequence behind the rotating 360 degrees of axis.The projected length of each line segment on the axis is 3～26mm, with the angle of axis be 26～68 degree.
A plurality of reflection cones evenly reflect in the face of the light that is arranged in the different luminous intensity distributions of the axis specific location light source angle, and the control light emitting anger is at 20 ± 2.5 degree.The optical axis of light source overlaps with the axis.
Fig. 1 is reflector structure profile among the embodiment.Fig. 2 is transmitter top view among the embodiment.Fig. 3 is reflector structure side view among the embodiment.In conjunction with Fig. 1～Fig. 3
500 rotating 360 degrees form reflecting surface 100 around the axis by rotation bus 400.Rotation bus 400 is broken line, forms by extend upward the multistage broken line that connects successively from reflecting surface bottom 200.Each reflection conical surface of every section broken line 500 rotating 360 degrees formation reflecting surface 100 around the axis, the broken line that each reflection conical surface is relative with it with height with the angle of axis 500 is identical.
Among this embodiment, rotation bus 400 is by beginning to extend upward from reflecting surface bottom 200, and 8 sections broken lines that connect successively form, and are respectively:
(1) first line segment 410, with the angle of axis 500 be 64～68 degree, be preferably 65 degree, be 3.0～3.5mm highly, be preferably 3.2mm, 500 rotating 360 degrees form first and reflect the conical surface 110 around the axis.
(2) second line segments 420, with the angle of axis 500 be 58～64 degree, be preferably 60 degree, be 4.2～4.8mm highly, be preferably 4.3mm, 500 rotating 360 degrees form second and reflect the conical surface 120 around the axis.
(3) the 3rd line segments 430, with the angle of axis 500 be 52～56 degree, be preferably 54.8 degree, be 4.6～5.2mm highly, be preferably 4.8mm, 500 rotating 360 degrees form the 3rd and reflect the conical surface 130 around the axis.
(4) the 4th line segments 440, with the angle of axis 500 be 48～52 degree, be preferably 49.5 degree, be 6.0～6.6mm highly, be preferably 6.4mm, 500 rotating 360 degrees form the 4th and reflect the conical surface 140 around the axis.
(5) the 5th line segments 450, with the angle of axis 500 be 42～46 degree, be preferably 43 degree, be 8.0～9.0mm highly, be preferably 8.6mm, 500 rotating 360 degrees form the 5th and reflect the conical surface 150 around the axis.
(6) the 6th line segments 460, with the angle of axis 500 be 36～40 degree, be preferably 38 degree, be 10～12mm highly, be preferably 11.5mm, 500 rotating 360 degrees form the 6th and reflect the conical surface 160 around the axis.
(7) the 7th line segments 470, with the angle of axis 500 be 30～34 degree, be preferably 32 degree, be 15～18mm highly, be preferably 16mm, 500 rotating 360 degrees form the 7th and reflect the conical surface 170 around the axis.
(8) the 8th line segments 480, with the angle of axis 500 be 26～30 degree, be preferably 27 degree, be 22～26mm highly, be preferably 25.2mm, 500 rotating 360 degrees form the 8th and reflect the conical surface 180 around the axis.
Reflecting surface bottom 200 diameters are 40 ± 1mm, are preferably 40mm, and light-emitting window 300 diameters are preferably 196mm.Reflector height is preferably 80mm.
Fig. 4 is the distribution curve flux schematic diagram of light source among the embodiment.This light source is the automobile gold-halogen lamp light source, and the light portion that light source 600 sends is directly penetrated by light-emitting window 300, and is most of through reflector reflection ejaculation.In conjunction with Fig. 1～Fig. 4:
The first reflection conical surface, 110 main reflection sources, 600 luminous intensity distribution angles are at the light of 130～140 degree;
The second reflection conical surface, 120 main reflection sources, 600 luminous intensity distribution angles are at the light of 120～130 degree;
The 3rd reflection conical surface 130 main reflection sources 600 luminous intensity distribution angles are at the light of 110～120 degree;
The 4th reflection conical surface 140 main reflection sources 600 luminous intensity distribution angles are at the light of 100～110 degree;
The 5th reflection conical surface 150 main reflection sources 600 luminous intensity distribution angles are at the light of 90～100 degree;
The 6th reflection conical surface 160 main reflection sources 600 luminous intensity distribution angles are at the light of 80～90 degree;
The 7th reflection conical surface 170 main reflection sources 600 luminous intensity distribution angles are at the light of 70～80 degree;
The 8th reflection conical surface 180 main reflection sources 600 luminous intensity distribution angles are at the light of 60～70 degree.
Fig. 5 is reflector light reflection schematic diagram among the embodiment.Fig. 6 is the distribution curve flux schematic diagram of reflector emergent ray among the embodiment.Can find out in conjunction with Fig. 5 and Fig. 6, reflector reflecting surface 100 each reflection cone are in the face of after the light in the light source 600 different luminous intensity distributions angles reflects, the reflection ray straight line of arrow (among the Fig. 5 with) uniform, emergent light luminous intensity distribution angle is all in 20 ± 2.5 degree (Fig. 6), namely this reflector is controlled light emitting anger in 20 ± 2.5 degree, and bright dipping is even.
Through measuring, setting reflecting surface bottom 200 diameters is 40mm, and light-emitting window 300 diameters are 196mm, 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 the automobile gold-halogen lamp light source.When reflecting surface respectively reflected conical surface angle and highly all gets preferred value, the light emitting anger of reflector was 20 degree.When reflecting surface respectively reflects conical surface angle and highly all gets the minimum edge dividing value and reflecting surface when respectively reflecting conical surface angle and highly all getting the maximum boundary value, the reflector light emitting anger is all in 20 ± 2.5 degree.
In addition, among this embodiment, reflector structure forms at each aluminium film that reflects conical surface plating high reflectance (more than 65%) after adopting rotary press modelling, and is simple to operate, thereby guarantees uniformity and reliability, improves reflectivity and the performance of reflector, reduced expense.
Above-mentioned transmitter, reflecting surface is formed around an axis rotation that arranges with the broken line interval by a broken line, broken line comprises that the multistage line segment and the projected length of each line segment on the axis that connect successively are 3～26mm, the angle of each line segment of broken line and described axis is 26～68 degree, thereby realize the even reflection of source light and the control of light emitting anger, in control light emitting anger 20 ± 2.5 degree, greatly improved the performance of reflector.
Simultaneously, this reflector plates the aluminium film of high reflectance (more than 65%) 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 claim of the present invention.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 (8)
1. reflector is characterized in that: the reflecting surface of described reflector is formed around an axis rotation that arranges with described broken line interval 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 3～26mm, and the angle of each line segment of described broken line and described axis is 26～68 degree; The quantity of described line segment is eight 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 and the 8th line segment;
The projected length of described the first line segment on described axis is 3.0～3.5mm, and the angle of itself and described axis is 64～68 degree;
The projected length of described the second line segment on described axis is 4.2～4.8mm, with the angle of described axis be 58～64 degree;
The projected length of described the 3rd line segment on described axis is 4.6～5.2mm, with the angle of described axis be 52～56 degree;
The projected length of described the 4th line segment on described axis is 6.0～6.6mm, with the angle of described axis be 48～52 degree;
The projected length of described the 5th line segment on described axis is 8.0～9.0mm, with the angle of described axis be 42～46 degree;
The projected length of described the 6th line segment on described axis is 10～12mm, with the angle of described axis be 36～40 degree;
The projected length of described the 7th line segment on described axis is 15～18mm, with the angle of described axis be 30～34 degree;
The projected length of described the 8th line segment on described axis is 22～26mm, with the angle of described axis be 26～30 degree;
The light emitting anger of described reflector is controlled at 20 ± 2.5 degree.
2. reflector according to claim 1 is characterized in that,
The projected length of described the first line segment on described axis is 3.2mm, with the angle of described axis be 65 degree;
The projected length of described the second line segment on described axis is 4.3mm, with the angle of described axis be 60 degree;
The projected length of described the 3rd line segment on described axis is 4.8mm, with the angle of described axis be 54.8 degree;
The projected length of described the 4th line segment on described axis is 6.4mm, with the angle of described axis be 49.5 degree;
The projected length of described the 5th line segment on described axis is 8.6mm, with the angle of described axis be 43 degree;
The projected length of described the 6th line segment on described axis is 11.5mm, with the angle of described axis be 38 degree;
The projected length of described the 7th line segment on described axis is 16mm, with the angle of described axis be 32 degree;
The projected length of described the 8th line segment on described axis is 25.2mm, with the angle of described axis be 27 degree.
3. reflector according to claim 1 is characterized in that,
The luminous intensity distribution angle that the first conical reflecting light source that is 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 that is 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 that is 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 that is 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 that is 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 that is formed by described the 6th line segment rotation sends is the light of 80～90 degree;
The luminous intensity distribution angle that the 5th conical reflecting light source that is formed by described the 7th line segment rotation sends is the light of 70～80 degree;
The luminous intensity distribution angle that the 6th conical reflecting light source that is formed by described the 8th line segment rotation sends is the light of 60～70 degree.
4. reflector according to claim 1 is characterized in that, described reflector inner surface is coated with reflectivity and is at least 65% aluminium film.
5. reflector according to claim 1 is characterized in that, described reflecting surface bottom diameter is 40 ± 1mm, and the light-emitting window diameter is 196mm.
6. floodlight comprises: reflector and be located at light source in the described reflector, it is characterized in that, and described reflector adopts such as each described reflector of claim 1 to 5.
7. floodlight according to claim 6, 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 axis distance 27.3 ± 0.2mm place, described reflector bottom.
8. floodlight according to claim 6 is characterized in that, the luminous site of described light source is in axis distance 27.3mm place, described reflector bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102022473A CN102278706B (en) | 2010-06-13 | 2010-06-13 | Reflector and floodlight by using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102022473A CN102278706B (en) | 2010-06-13 | 2010-06-13 | Reflector and floodlight by using same |
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| Publication Number | Publication Date |
|---|---|
| CN102278706A CN102278706A (en) | 2011-12-14 |
| CN102278706B true CN102278706B (en) | 2013-10-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010102022473A Active CN102278706B (en) | 2010-06-13 | 2010-06-13 | Reflector and floodlight by using same |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106122869B (en) * | 2016-08-10 | 2019-05-24 | 上海小糸车灯有限公司 | A kind of car light auxiliary dipped beam structure and its car light |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4943901A (en) * | 1989-07-11 | 1990-07-24 | General Electric Company | Luminaire with auxiliary reflecting means |
| 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 |
| JP3908807B2 (en) * | 1996-05-31 | 2007-04-25 | 株式会社アイ・ライティング・システム | Floodlight device |
| 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 |
| 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 |
|---|---|---|---|---|
| EP1794492A2 (en) * | 2004-08-27 | 2007-06-13 | Turhan Alcelik | General lighting armature |
| FI20085548A0 (en) * | 2008-06-04 | 2008-06-04 | Valopaa Oy | Device for direction and illumination of lighting |
-
2010
- 2010-06-13 CN CN2010102022473A patent/CN102278706B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4943901A (en) * | 1989-07-11 | 1990-07-24 | General Electric Company | Luminaire with auxiliary reflecting means |
| JP3908807B2 (en) * | 1996-05-31 | 2007-04-25 | 株式会社アイ・ライティング・システム | Floodlight device |
| 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 |
| 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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