CN102042491B - Floodlight and reflector - Google Patents
Floodlight and reflector Download PDFInfo
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- CN102042491B CN102042491B CN 200910110516 CN200910110516A CN102042491B CN 102042491 B CN102042491 B CN 102042491B CN 200910110516 CN200910110516 CN 200910110516 CN 200910110516 A CN200910110516 A CN 200910110516A CN 102042491 B CN102042491 B CN 102042491B
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- reflective surface
- reflector
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- floodlight
- angle
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Abstract
The invention provides a floodlight and a reflector. The floodlight comprises a light source (100), an electric cabinet body (110) and the reflector (130) fixedly connected with the electric cabinet body (110); the inner surface of the reflector (130) is a reflective surface which is a revolution surface, the revolution center line of the reflective surface is coincident with the axis (O) of the light source (100); the reflective surface comprises a first reflective surface (131) arranged vertically to the axis (O), a second reflective surface (132) extending downwards from the first reflective surface (131) along the direction far away from the axis (O), and a third reflective surface (133) extending downwards from the second reflective surface (132) along the direction far away from the axis (O); and the included angle (alpha) of the first reflective surface (131) and the second reflective surface (132) and the included angle (beta) of the second reflective surface (132) and the third reflective surface (133) are obtuse angels. The reflector in the invention is beneficial to enhancing the light refraction performance of the inner surface of reflectors, and can cause light to be soft and uniform, thereby effectively alleviating the glareproof problem of the lamps.
Description
Technical field
The invention belongs to lighting field.Particularly, the present invention relates to a kind of floodlight.The present invention also provides a kind of reflector that is particularly useful for floodlight.
Background technology
At some large-scale squares, harbour or spacious operating zone, generally all can adopt floodlight that illumination is provided.These floodlights have the advantages such as illumination brightness is strong, range of exposures wide, installation is simple.Existing floodlight generally all is that Transparent Parts is made into anti-dazzle Transparent Parts to realize anti-dazzle function.Yet for relevant operating personnel, this floodlight does not have anti-dazzle effect, and its reflection and refracted ray are stronger, can have influence on operating personnel's sight line.For example be installed in the ceiling mounting type floodlight on the enclosure wall of prison, its irradiation light is even not, and is soft not.Because people's eyes are when being subject to strong illumination, optic nerve irriate and lose control to eyes so such floodlight can affect the sentry and make an inspection tour, provides a favorable opportunity for the offender who waits for an opportunity to escape.In addition, be subject to for a long time the vision health that the dazzle irradiation also can have influence on the sentry.
Summary of the invention
The technical problem to be solved in the present invention is for not even soft, the defective that affects work and eye health of floodlight irradiation light in the prior art, and a kind of floodlight and a kind of reflector are provided, and it can effectively alleviate the anti-dazzle problem of light fixture.
The present invention solves the problems of the technologies described above the technical scheme that adopts and is: construct a kind of floodlight, comprise light source, electrical box and be fixed in reflector on the electrical box, the inner surface of reflector is reflective surface, reflective surface is the surface of revolution, the centre of gyration line of reflective surface and the dead in line of light source, reflective surface comprises and vertically disposed the first reflective surface of axis, from the first reflective surface away from axis to the second reflective surface of downward-extension and from the second reflective surface away from three reflective surface of axis to downward-extension, the second angle between the first angle between the first reflective surface and the second reflective surface and the second reflective surface and the 3rd reflective surface is the obtuse angle.
In the floodlight of the present invention, the first angle between the first reflective surface and the second reflective surface is between 150 °～155 °.
In the floodlight of the present invention, the second angle between the second reflective surface and the 3rd reflective surface is between 110 °～120 °.
In the floodlight of the present invention, the opening angle of reflector is between 45 °～55 °
In the floodlight of the present invention, floodlight also comprises the Transparent Parts that is fixed on the electrical box, and Transparent Parts is enclosed light source airtightly, and extends reflector downwards along axis.
In the floodlight of the present invention, be coated with the outdoor powder of the pure polyester that is useful on anticorrosion antiacid alkali on the outer surface of reflector.
In the floodlight of the present invention, the inner surface of reflector is the electrochemical polishing face.Thereby can improve the reflective function of floodlight.
In the floodlight of the present invention, the roof of reflector is provided with some screws, and reflector is fixed on the bottom of electrical box by this screw.
In the floodlight of the present invention, reflective surface can also comprise from the 3rd reflective surface away from four reflective surface of axis to downward-extension.
Implement floodlight of the present invention and have following beneficial effect: reflector of the present invention is bowl-shape under shed, the inner surface of reflector is reflective surface, this reflective surface is the surface of revolution, the centre of gyration line of reflective surface and the dead in line of light source, reflective surface comprise with vertically disposed the first reflective surface of axis, from the first reflective surface away from axis to the second reflective surface of downward-extension and from the second reflective surface away from three reflective surface of axis to downward-extension.This structure is provided with and is beneficial to the light refraction performance that strengthens the reflector inner surface, so that irradiation light is soft, even; Can effectively alleviate the anti-dazzle problem of light fixture, prevent that eyes are subject to the dazzle irradiation, it is healthy to affect eye.
The present invention also provides a kind of reflector, the inner surface of reflector is reflective surface, reflective surface is the surface of revolution, reflective surface comprise with vertically disposed the first reflective surface of axis, from the first reflective surface away from axis to the second reflective surface of downward-extension and from the second reflective surface away from three reflective surface of axis to downward-extension, the first angle between the first reflective surface and the second reflective surface is between 150 °～155 °, the second angle between the second reflective surface and the 3rd reflective surface is between 110 °～120 °, and the opening angle of reflector is between 45 °～55 °.
Implement reflector of the present invention and have following beneficial effect: reflector of the present invention is bowl-shape under shed, the inner surface of reflector is reflective surface, this reflective surface is the surface of revolution, the centre of gyration line of reflective surface and the dead in line of light source, reflective surface comprise with vertically disposed the first reflective surface of axis, from the first reflective surface away from axis to the second reflective surface of downward-extension and from the second reflective surface away from three reflective surface of axis to downward-extension.This structure is provided with and is beneficial to the light refraction performance that strengthens the reflector inner surface, so that irradiation light is soft, even; Can effectively alleviate the anti-dazzle problem of light fixture, prevent that eyes are subject to the dazzle irradiation, it is healthy to affect eye.
Description of drawings
Describe the present invention below in conjunction with the accompanying drawings and the specific embodiments, in the accompanying drawing:
Fig. 1 is the cut-away diagram as the floodlight of the preferred embodiments of the present invention;
Fig. 2 is the cut-away diagram as the reflector of the preferred embodiments of the present invention;
Fig. 3 is the local enlarged diagram of Fig. 2.
The specific embodiment
In order to make the technical problem that will solve of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and the specific embodiments, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, is not intended to limit the present invention.
As shown in Figure 1, the floodlight of present embodiment comprises light source 100, electrical box 110, reflector 130 and Transparent Parts 140.Be provided with current treatment device and lamp socket in the electrical box 110.The size of light source 100 and the size of reflector coupling, the centre of luminescence of light source is housed in reflector inside, avoids the light direct projection eyes of light source 100.Wherein, light source 100 has center line or axes O.Light source 100 is electrically connected with the lamp socket of electrical box 110.Reflector 130 is fixed on the electrical box 110.Transparent Parts 140 is tightly connected with electrical box 110, and light source 100 is sealed.As shown in Figure 1, this Transparent Parts 140 is extended reflector 130 downwards along axes O, and its lower end is the outside with reflector 130.As illustrated in fig. 1 and 2, the top of reflector 130 is provided with for the through hole 135 that light source is installed.Light source 100 stretches out downwards from this through hole 135.2 screws 136 on the roof of reflector, reflector are fixed on the bottom of electrical box 110 by this screw 136.Certainly, a plurality of screws 136 can be set also, to realize more firmly connection.Here, structure and the annexation of light source 100, electrical box 110 and Transparent Parts 140 belong to prior art, and no further details to be given herein.
Shown in Fig. 2 and 3, the reflector 130 of present embodiment is bowl-shape under shed, and the inner surface of reflector 130 is reflective surface, and this reflective surface is three sections reflective surfaces.Certainly, the invention is not restricted to this, light gathering degree and irradiation height that also can be required according to floodlight arrange the multistage reflective surface.In addition, each reflective surface all adopts electrochemical polishing to process to improve reflecting effect.
Particularly, reflective surface is that specific curves is around the surface of revolution of the axes O rotation formation of light source 100.Should be understood that the surface of revolution refers to the curved surface that formed around fixed axis revolution by straight edge line or bent bus.In the present embodiment, the reflective surface of reflector 130 is the surface of revolution.The centre of gyration line of reflective surface overlaps with the axes O of light source 100.Wherein, reflective surface comprises three sections reflective surfaces, that is: with vertically disposed the first reflective surface 131 of axes O, from the first reflective surface 131 away from axes O to the second reflective surface 132 of downward-extension and from the second reflective surface 132 away from three reflective surface 133 of axes O to downward-extension.The bottom of the 3rd reflective surface 133 is provided with the crimping 134 of outside coiling.The second angle β between the first angle α between the first reflective surface 131 and the second reflective surface 132 and the second reflective surface 132 and the 3rd reflective surface 133 is the obtuse angle.That is, the first angle α and the second angle β should be greater than 90 ° and less than 180 °.Preferably, the first angle α between the first reflective surface 131 and the second reflective surface 132 is between 150 °～155 °; And the second angle β between the second reflective surface 132 and the 3rd reflective surface 133 is between 110 °～120 °.In the floodlight of the present invention, the length of the second reflective surface 132 on axis direction is 25.2mm, and the length of the 3rd reflective surface 133 on axis direction is 82.0mm.In addition, as shown in Figure 2, the opening angle γ of reflector 130 is between 45 °～55 °.That is, consist of the twice of the rotation bus of the 3rd reflective surface 133 and the angle between the axes O between 45 °～55 °.
It is emphasized that in the present embodiment that the first angle α and the second angle β set for the situation of 5m according to the irradiation height.The shape of reflective surface should be determined according to factors such as light gathering degree, irradiation brightness, distribution curve fluxs.Herein, the implication of " distribution curve flux " is: the luminous intensity with vector representation light fixture all directions consists of a sealing light intensity body, draws light intensity body quilt by the sealing intersection of the plane cut of vertical axis with polar form.Distribution curve flux comprises sleeve configuration, flower type, circle, petal etc.Therefore, in case of necessity, reflective surface also can comprise from the 3rd reflective surface 133 away from axes O to the 4th reflective surface of downward-extension and successively to the 5th reflective surface, the 6th reflective surface of downward-extension ...
In addition, in order to strengthen the antisepsis of reflector, be coated with the outdoor powder of the pure polyester that is useful on anticorrosion antiacid alkali on the outer surface of reflector 130.This open air powder belongs to pure polyester powder, and it is similar to paint, and uvioresistant is stronger, and color is fugitive color not, can keep for a long time bright-coloured beautiful.Moreover in order to improve the reflective function of floodlight, the inner surface of reflector 130 is the electrochemical polishing face.
As mentioned above, reflector of the present invention is bowl-shape under shed.The reflective surface of reflector 130 is the surface of revolution.The centre of gyration line of reflective surface overlaps with the axes O of light source 100.Wherein, reflective surface comprise with vertically disposed the first reflective surface 131 of axes O, from the first reflective surface 131 away from axes O to the second reflective surface 132 of downward-extension and from the second reflective surface 132 away from three reflective surface 133 of axes O to downward-extension.The bottom of the 3rd reflective surface 133 is provided with the crimping 134 of outside coiling.In the present embodiment, the first angle α between the first reflective surface 131 and the second reflective surface 132 is between 150 °～155 °; The second angle β between the second reflective surface 132 and the 3rd reflective surface 133 is between 110 °～120 °.The first angle and the second angle are determined according to the distribution curve flux of light fixture.This structure is provided with and is beneficial to the light refraction performance that strengthens the reflector inner surface, so that irradiation light is softer, even.Can effectively alleviate the anti-dazzle problem of light fixture, prevent that eyes are subject to the dazzle irradiation, it is healthy to affect eye.
In addition, in the floodlight of the present invention, the inner surface of reflector can be the electrochemical polishing face, to improve the reflective function of floodlight.In addition, in the floodlight of the present invention, reflective surface also can comprise from the 3rd reflective surface away from axis to the 4th reflective surface of downward-extension and successively to the 5th reflective surface, the 6th reflective surface of downward-extension according to the light gathering degree of light fixture, irradiation height or distribution curve flux ...Like this, just can satisfy the needs of light gathering degree, irradiation height or the distribution curve flux of various light fixtures, strengthen the light refraction performance of reflector inner surface, improve light gathering degree and brightness that it shines the orientation, effectively alleviate the anti-dazzle problem of light fixture.
Although this paper has described many embodiment, those skilled in the art will appreciate that and in the situation that does not break away from the spirit that is defined by the following claims and scope thereof, to make other modification or change.
Claims (7)
1. floodlight, comprise light source (100), electrical box (110) and be fixed in reflector (130) on the described electrical box (110), it is characterized in that, described reflector (130) is bowl-shape under shed, the inner surface of described reflector (130) is reflective surface, described reflective surface is the surface of revolution, the centre of gyration line of described reflective surface overlaps with the axis (O) of described light source (100), described reflective surface comprises and vertically disposed the first reflective surface of described axis (O) (131), from described the first reflective surface (131) away from described axis (O) to second reflective surface (132) of downward-extension and from the second reflective surface (132) away from three reflective surface (133) of described axis (O) to downward-extension, the second angle (β) between the first angle (α) between described the first reflective surface (131) and described the second reflective surface (132) and described the second reflective surface (132) and described the 3rd reflective surface (133) is the obtuse angle;
The irradiation of described floodlight highly is 5m;
The first angle (α) between described the first reflective surface (131) and described the second reflective surface (132) is between 150 °～155 °;
The second angle (β) between described the second reflective surface (132) and described the 3rd reflective surface (133) is between 110 °～120 °;
The opening angle of described reflector (γ) is between 45 °～55 °;
The length of described the second reflective surface (132) on axis direction is 25.2mm, and the length of the 3rd reflective surface (133) on axis direction is 82.0mm.
2. floodlight according to claim 1, it is characterized in that, described floodlight also comprises the Transparent Parts (140) that is fixed on the described electrical box (110), described Transparent Parts (140) is sealed described light source (100) airtightly, and extends described reflector (130) downwards along axis (O).
3. floodlight according to claim 1 is characterized in that, is coated with the outdoor powder of the pure polyester that is useful on anticorrosion antiacid alkali on the outer surface of described reflector (130).
4. floodlight according to claim 1 is characterized in that, the inner surface of described reflector (130) is the electrochemical polishing face.
5. floodlight according to claim 1 is characterized in that, the roof of described reflector (130) is provided with some screws, and described reflector (130) is fixed on the bottom of described electrical box (110) by this screw.
6. floodlight according to claim 1 is characterized in that, described reflective surface also comprises from the 3rd reflective surface (133) away from four reflective surface of described axis (O) to downward-extension.
7. a reflector (130), the inner surface of described reflector (130) is reflective surface, described reflective surface is the surface of revolution, it is characterized in that, described reflector (130) is bowl-shape under shed, it highly is the floodlight of 5m that described reflector (130) is used for irradiation, described reflective surface comprises and vertically disposed the first reflective surface of described axis (O) (131), from described the first reflective surface (131) away from described axis (O) to second reflective surface (132) of downward-extension and from the second reflective surface (132) away from three reflective surface (133) of described axis (O) to downward-extension, the first angle (α) between described the first reflective surface (131) and described the second reflective surface (132) is between 150 °～155 °, the second angle (β) between described the second reflective surface (132) and described the 3rd reflective surface (133) is between 110 °～120 °, and the opening angle of described reflector (γ) is between 45 °～55 °; The length of described the second reflective surface (132) on axis direction is 25.2mm, and the length of the 3rd reflective surface (133) on axis direction is 82.0mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910110516 CN102042491B (en) | 2009-10-14 | 2009-10-14 | Floodlight and reflector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910110516 CN102042491B (en) | 2009-10-14 | 2009-10-14 | Floodlight and reflector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102042491A CN102042491A (en) | 2011-05-04 |
| CN102042491B true CN102042491B (en) | 2013-03-27 |
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ID=43908891
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200910110516 Expired - Fee Related CN102042491B (en) | 2009-10-14 | 2009-10-14 | Floodlight and reflector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102042491B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102878462B (en) * | 2012-09-26 | 2014-11-26 | 杭州赛源照明电器有限公司 | Luminaire |
| CN109556029B (en) * | 2018-12-29 | 2023-10-20 | 广东德洛斯照明工业有限公司 | Reflector and lighting device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2793533Y (en) * | 2005-04-27 | 2006-07-05 | 深圳市海洋王投资发展有限公司 | Explosive-proof platform light |
| CN201093350Y (en) * | 2007-06-15 | 2008-07-30 | 刘俊波 | Reflection dodging device of straight pipe type light source |
-
2009
- 2009-10-14 CN CN 200910110516 patent/CN102042491B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2793533Y (en) * | 2005-04-27 | 2006-07-05 | 深圳市海洋王投资发展有限公司 | Explosive-proof platform light |
| CN201093350Y (en) * | 2007-06-15 | 2008-07-30 | 刘俊波 | Reflection dodging device of straight pipe type light source |
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| Publication number | Publication date |
|---|---|
| CN102042491A (en) | 2011-05-04 |
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