CN102840545B - Reflective cup and flood lamp - Google Patents
Reflective cup and flood lamp Download PDFInfo
- Publication number
- CN102840545B CN102840545B CN201110169657.7A CN201110169657A CN102840545B CN 102840545 B CN102840545 B CN 102840545B CN 201110169657 A CN201110169657 A CN 201110169657A CN 102840545 B CN102840545 B CN 102840545B
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- reflective surface
- line segment
- light
- reflector
- fold line
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- 238000005286 illumination Methods 0.000 abstract description 8
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 229910052736 halogen Inorganic materials 0.000 description 2
- 150000002367 halogens Chemical class 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003760 hair shine Effects 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
The invention relates to a reflective cup and a flood lamp. The reflective cup comprises a first reflective surface and four light reflecting surfaces extending outwards along the edge of the first reflective surface; the four light reflecting surfaces are connected in sequence to form a prismatic table-shaped reflecting cavity; the first reflective surface is of central symmetry; the section of the first reflective surface is served as a first fold line section; the first fold line section comprises eight straight line sections which are connected in sequence; the range of an included angle between each two adjacent straight line sections of the first fold line section is 140 to 160 degrees; a second reflective surface is of axial symmetry; the section of the second reflective surface is served as a second fold line section; the second fold line section comprises three straight line sections which are connected in sequence; the range of an included angle between each two adjacent straight line sections of the second fold line section is 120 to 126 degrees; a third reflective surface comprises a trapezoidal reflective part and a folding edge part extending outwards along the reflective part; and the range of an included angle between the folding edge part and the reflective part is 88.5 to 91 degrees. The reflective cup can form rectangular spots; a semi-light intensity angle is larger than 110 degrees; and the illumination intensity of the junctions of adjacent light spots is uniform.
Description
Technical field
The present invention relates to lighting field, more particularly, relate to a kind of reflector and floodlight.
Background technology
At present, on market, the irradiation hot spot of various floodlight is mostly rounded, generally adopts rotational symmetric reflector to carry out floodlight.After this circular light spot shines on the ground, the uneven illumination of adjacent two hot spot intersections is even, and intersection centre is bright, both sides are dark, and the uniformity of illumination is poor.
Summary of the invention
The technical problem to be solved in the present invention is, for the rounded poor defect of illumination uniformity that has adjacent spots intersection of hot spot of irradiating due to the reflector of floodlight in prior art, a kind of reflector and floodlight are provided, can finely address the above problem.
The technical solution adopted for the present invention to solve the technical problems is: construct a kind of reflector, described reflector comprises the first reflective surface and along outward extending four light reflection surfaces in edge of described the first reflective surface, four described light reflection surfaces join successively and form the reflector cavity of prism-frustum-shaped, four described light reflection surfaces are respectively: the second reflective surface, the 3rd reflective surface, the 4th reflective surface and the 5th reflective surface, described the second reflective surface and described the 4th reflective surface are symmetrical arranged, and described the 3rd reflective surface and described the 5th reflective surface are symmetrical arranged; Described the first reflective surface is centrosymmetric, and its cross section is broken line shape, is first fold line segment, and described first fold line segment comprises eight straightways that are connected successively, and the angular range between the adjacent straight line segment of described first fold line segment is 140 °-160 °; Axisymmetricly, its cross section is broken line shape to described the second reflective surface, is the second broken line, and described the second broken line comprises three straightways that are connected successively, and the angular range between the adjacent straight line segment of described the second broken line is 120 °-126 °; Described the 3rd reflective surface comprises trapezoidal light-reflecting portion and along the outward extending flanging of described light-reflecting portion portion, between described flanging portion and described light-reflecting portion, angular range is 88.5 °-91 °.
A kind of reflector of the present invention, preferred, the angle between the adjacent straight line segment of described first fold line segment is followed successively by: 152 °, 156 °, 160 °, 140 °, 160 °, 156 °, 152 °.
A kind of reflector of the present invention, preferred, the length of the straightway of described first fold line segment is followed successively by: 6.3mm, 7.3mm, 22.1mm, 5.5mm, 5.5mm, 22.1mm, 7.3mm, 6.3mm.
A kind of reflector of the present invention, preferred, the angle between the adjacent straight line segment of described the second broken line is followed successively by: 122 °, 122 °.
A kind of reflector of the present invention, preferred, the length of the straightway of described the second broken line is followed successively by: 12.4mm, 97.3mm, 26.4mm.
A kind of reflector of the present invention, preferred, between the flanging portion of described the 3rd reflective surface and light-reflecting portion, angle is 90 °.
A kind of reflector of the present invention, preferred, described light-reflecting portion is isosceles trapezoid shape, and the length range of its upper base is 99.5mm-101.5mm, and the length range of going to the bottom is 200.5mm-204.5mm, and altitude range is 81.5mm-83mm.
A kind of reflector of the present invention, preferred, the length of the upper base of described light-reflecting portion is 100.1mm, the length of going to the bottom is 203.2mm, is highly 82.5mm.
The present invention also constructs a kind of floodlight, comprises light source and reflector, and described light source is fixedly installed on the center of described reflector.
A kind of floodlight of the present invention, preferred, the angle between the adjacent straight line segment of described first fold line segment is followed successively by: 152 °, 156 °, 160 °, 140 °, 160 °, 156 °, 152 °; Angle between the adjacent straight line segment of described the second broken line is followed successively by: 122 °, 122 °; Between the flanging portion of described the 3rd reflective surface and light-reflecting portion, angle is 90 °.
The present invention can reach following beneficial effect: the reflector cavity that consists of prism-frustum-shaped the first reflective surface, the second reflective surface, the 3rd reflective surface, the 4th reflective surface and the 5th reflective surface, this reflector cavity can form rectangular light spot, half light intensity angle is greater than 110 °, the uniform-illumination of adjacent spots intersection.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described, in accompanying drawing:
Fig. 1 is the structural representation of reflector of the present invention;
Fig. 2 is the structural representation of the first reflective surface of reflector of the present invention;
Fig. 3 is the A-A cross-sectional schematic of Fig. 2;
Fig. 4 is the structural representation of the second reflective surface of reflector of the present invention;
Fig. 5 is the B-B cross-sectional schematic of Fig. 4;
Fig. 6 is the structural representation of the 3rd reflective surface of reflector of the present invention;
Fig. 7 is the structural representation of light-reflecting portion of the 3rd reflective surface of reflector of the present invention;
Fig. 8 is the distribution curve flux figure of floodlight of the present invention;
Fig. 9 is the illumination figure of floodlight of the present invention;
Drawing reference numeral explanation:
1, the first reflective surface 11, straightway
12, straightway 13, straightway
14, straightway 2, the second reflective surface
21, straightway 22, straightway
23, straightway 3, the 3rd reflective surface
31, light-reflecting portion 32, flanging portion
4, the 4th reflective surface 5, the 5th reflective surface
100, first fold line segment 200, the second broken line
The specific embodiment
For technical characterictic of the present invention, object and effect being had more clearly, understand, now contrast accompanying drawing and describe the specific embodiment of the present invention in detail.
As shown in Figure 1, for an embodiment provided by the invention, a kind of reflector, comprise the first reflective surface 1 and along outward extending four light reflection surfaces in edge of the first reflective surface 1, four light reflection surfaces join successively and form the reflector cavity of prism-frustum-shaped, and the first reflective surface is positioned at the opening of reflector cavity compared with small end.Four light reflection surfaces are respectively: the second reflective surface 2, the 3rd reflective surface 3, the 4th reflective surface 4 and the 5th reflective surface 5, the second reflective surface 2 be symmetrical arranged with the 4th reflective surface 4 and structure identical, the 3rd reflective surface 3 be symmetrical arranged with the 5th reflective surface 5 and structure identical.As shown in Figure 2 and Figure 3, symmetric figure centered by the first reflective surface 1.In the front view of the first reflective surface 1, set up rectangular coordinate system, usining the center of the first reflective surface 1 is x axle as the long limit of initial point 0, the first reflective surface 1, and minor face is y axle, to cut the first reflective surface 1 perpendicular to the plane of y axle, forms cross section.As shown in Figure 3, this cross section is broken line shape, is first fold line segment 100, and first fold line segment 100 comprises eight straightways that are connected successively, and the angular range between the adjacent straight line segment of first fold line segment 100 is 140 °-160 °.As shown in Figure 4, Figure 5, the second reflective surface 2 is zhou duicheng tuxing, its cross section is also broken line shape, it is the second broken line 200, the second broken line 200 comprises that successively the angular range between the adjacent straight line segment 21,22,23 of three straightways, 21,22,23, the second broken lines 200 that are connected is 120 °-126 °.As shown in Figure 6, the 3rd reflective surface 3 comprises trapezoidal light-reflecting portion 31 and along the outward extending flanging of light-reflecting portion 31 portion 32, between flanging portion 32 and light-reflecting portion 31, angular range is 88.5 °-91 °.
As preferably, as shown in Figure 3, angle a, b, c between the adjacent straight line segment L1 of first fold line segment 100, L2, L3, L4 are followed successively by: 152 °, 156 °, 160 °; Reflective in order to form, preferably, angle c > b > a.Due to first fold line segment 100 axisymmetricly, can release three corner dimensions of correspondence of first fold line segment 100.Herein, the corner dimension at the center of first fold line segment 100 (that is: symmetry axis place) is 140 °.
As preferably, as shown in Figure 5, the length L 1 of the straightway of first fold line segment 100, L2, L3, L4 are followed successively by: 6.3mm, 7.3mm, 22.1mm, 5.5mm; Due to first fold line segment 100 axisymmetricly, can release the length scale of four straightways of correspondence of first fold line segment 100.
On the basis of technique scheme, further, as shown in Figure 5, straightway 21 and the angle d between straightway 22 of the second broken line 200 are 122 °; Angle e between straightway 22 and straightway 23 is 122 °.
Further, as shown in Figure 5, the length L 7 of the straightway 21 of the second broken line 200 is 12.4mm; The length L 5 of straightway 22 is 97.3mm, and the length L 6 of straightway 23 is 26.4mm.
As shown in Figure 6, between the flanging portion 32 of the 3rd reflective surface 3 and light-reflecting portion 31, angle f is 90 °, and the angle of the dihedral angle between flanging portion 32 and light-reflecting portion 31 is 90 °.
Further, as shown in Figure 7, light-reflecting portion 31 is isosceles trapezoid shape, and the length range of its upper base L9 is 99.5mm-101.5mm, and the length range of the L8 that goes to the bottom is 200.5mm-204.5mm, and height h scope is 81.5mm-83mm.
As preferably, the length of the upper base L9 of light-reflecting portion 31 is 100.1mm, and the length of the L8 that goes to the bottom is 203.2mm, and height h is 82.5mm.
Based on above-mentioned reflecting cup structure, improve, the present invention also provides a kind of floodlight, comprises light source and above-mentioned reflector.As shown in Figure 1, reflector comprises the first reflective surface 1 and along outward extending four light reflection surfaces in edge of the first reflective surface 1, four light reflection surfaces join successively and form the reflector cavity of prism-frustum-shaped.Four light reflection surfaces are respectively: the second reflective surface 2, the 3rd reflective surface 3, the 4th reflective surface 4 and the 5th reflective surface 5, the second reflective surfaces 2 and the 4th reflective surface 4 are symmetrical arranged, and the 3rd reflective surface 3 and the 5th reflective surface 5 are symmetrical arranged.As shown in Figure 2 and Figure 3, the first reflective surface 1 figure that is centrosymmetric, its cross section is first fold line segment 100, and first fold line segment 100 comprises eight straightways that are connected successively, and the angular range between the adjacent straight line segment of first fold line segment 100 is 140 °-160 °.As shown in Figure 4, Figure 5, axisymmetricly, its cross section is that the second broken line 200, the second broken lines 200 comprise three straightways that are connected successively to the second reflective surface 2, and the angular range between the adjacent straight line segment of the second broken line 200 is 120 °-126 °.As shown in Figure 6, Figure 7, the 3rd reflective surface 3 comprises trapezoidal light-reflecting portion 31 and along the outward extending flanging of light-reflecting portion 31 portion 32, between flanging portion 32 and light-reflecting portion 31, angular range is 88.5 °-91 °.Light source is fixedly installed on the center of the first reflective surface 1, that is: the bottom centre of reflector cavity.
As preferably, as shown in Figure 2 and Figure 3, the angle between the adjacent straight line segment of first fold line segment 100 is followed successively by: 152 °, 156 °, 160 °, 140 °, 160 °, 156 °, 152 °; As shown in Figure 4, Figure 5, the angle between the adjacent straight line segment of the second broken line 200 is followed successively by: 122 °, 122 °; As shown in Figure 6, Figure 7, between the flanging portion 32 of the 3rd reflective surface 3 and light-reflecting portion 31, angle is 90 °.
Should be noted, the architecture advances of the reflector of floodlight, referring to the specific descriptions of above-mentioned reflector, repeats no more again herein.
The beneficial effect of the floodlight that the present embodiment provides is described with a specific embodiment, and this floodlight comprises light source and above-mentioned reflector, and light source is selected the golden halogen light source of 150W.The first reflective surface 1 figure that is centrosymmetric, its cross section is first fold line segment 100, first fold line segment 100 comprises eight straightways that are connected successively, angle between the adjacent straight line segment of first fold line segment 100 is followed successively by 152 °, 156 °, 160 °, 140 °, 160 °, 156 °, 152 °, and the length of the straightway of first fold line segment 100 is followed successively by: 6.3mm, 7.3mm, 22.1mm, 5.5mm, 5.5mm, 22.1mm, 7.3mm, 6.3mm.The second reflective surface 2 is figure axisymmetricly, its cross section is the second broken line 200, the second broken line 200 comprises three straightways that are connected successively, angle between the adjacent straight line segment of the second broken line 200 is followed successively by: 122 °, 122 °, the length of this straightway is followed successively by: 12.4mm, 97.3mm, 26.4mm.The 3rd reflective surface 3 comprises trapezoidal light-reflecting portion 31 and along the outward extending flanging of light-reflecting portion 31 portion 32, this is trapezoidal is isosceles trapezoid, and between flanging portion 32 and light-reflecting portion 31, angle is 90 °.This light source is fixedly installed on the center of the first reflective surface 1, that is: the bottom centre of reflector cavity.The distribution curve flux figure that the golden halogen light source of 150W coordinates above-mentioned reflector to reach, as shown in Figure 8, half light intensity angle in vertical direction is 118 °, half light intensity angle in horizontal direction is 110 °.As shown in Figure 9, be the illumination figure at these 4 meters of of floodlight, rectangular light spot, the uniform-illumination of adjacent spots intersection.
By reference to the accompanying drawings embodiments of the invention are described above; but the present invention is not limited to the above-mentioned specific embodiment; the above-mentioned specific embodiment is only schematic; rather than restrictive; those of ordinary skill in the art is under enlightenment of the present invention; not departing from the scope situation that aim of the present invention and claim protect, also can make a lot of forms, within these all belong to protection of the present invention.
Claims (10)
1. a reflector, it is characterized in that: described reflector comprises the first reflective surface (1), and along outward extending four light reflection surfaces in edge of described the first reflective surface (1), four described light reflection surfaces join successively and form the reflector cavity of prism-frustum-shaped, four described light reflection surfaces are respectively: the second reflective surface (2), the 3rd reflective surface (3), the 4th reflective surface (4), and the 5th reflective surface (5), described the second reflective surface (2) is symmetrical arranged with described the 4th reflective surface (4), described the 3rd reflective surface (3) is symmetrical arranged with described the 5th reflective surface (5),
Described the first reflective surface (1) is centrosymmetric, its cross section is broken line shape, for first fold line segment (100), described first fold line segment (100) comprises eight straightways that are connected successively, angular range between the adjacent straight line segment of described first fold line segment (100) is 140 °-160 °, and reduces successively toward the angle between the adjacent straight line segment of both sides from the center of described first fold line segment (100);
Described the second reflective surface (2) axisymmetricly, its cross section is broken line shape, be the second broken line (200), described the second broken line (200) comprises three straightways that are connected successively, and the angular range between the adjacent straight line segment of described the second broken line (200) is 120 °-126 °;
Described the 3rd reflective surface (3) comprises trapezoidal light-reflecting portion (31) and along described light-reflecting portion (31) outward extending flanging portion (32), between described flanging portion (32) and described light-reflecting portion (31), angular range is 88.5 °-91 °.
2. reflector according to claim 1, is characterized in that, the angle between the adjacent straight line segment of described first fold line segment (100) is followed successively by: 152 °, 156 °, 160 °, 140 °, 160 °, 156 °, 152 °.
3. reflector according to claim 2, is characterized in that, the length of the straightway of described first fold line segment (100) is followed successively by: 6.3mm, 7.3mm, 22.1mm, 5.5mm, 5.5mm, 22.1mm, 7.3mm, 6.3mm.
4. reflector according to claim 1, is characterized in that, the angle between the adjacent straight line segment of described the second broken line (200) is followed successively by: 122 °, 122 °.
5. reflector according to claim 4, is characterized in that, the length of the straightway of described the second broken line (200) is followed successively by: 12.4mm, 97.3mm, 26.4mm.
6. reflector according to claim 1, is characterized in that, between the flanging portion (32) of described the 3rd reflective surface (3) and light-reflecting portion (31), angle is 90 °.
7. reflector according to claim 6, is characterized in that, described light-reflecting portion (31) is isosceles trapezoid shape, and the length range of its upper base is 99.5mm-101.5mm, and the length range of going to the bottom is 200.5mm-204.5mm, and altitude range is 81.5mm-83mm.
8. reflector according to claim 7, is characterized in that, the length of the upper base of described light-reflecting portion (31) is 100.1mm, and the length of going to the bottom is 203.2mm, is highly 82.5mm.
9. a floodlight, is characterized in that: comprise light source and the reflector as described in claim 1-8 any one; Described light source is fixedly installed on the center of described reflector.
10. floodlight according to claim 9, is characterized in that: the angle between the adjacent straight line segment of described first fold line segment (100) is followed successively by: 152 °, 156 °, 160 °, 140 °, 160 °, 156 °, 152 °; Angle between the adjacent straight line segment of described the second broken line (200) is followed successively by: 122 °, 122 °; Between the flanging portion (32) of described the 3rd reflective surface (3) and light-reflecting portion (31), angle is 90 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110169657.7A CN102840545B (en) | 2011-06-22 | 2011-06-22 | Reflective cup and flood lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110169657.7A CN102840545B (en) | 2011-06-22 | 2011-06-22 | Reflective cup and flood lamp |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102840545A CN102840545A (en) | 2012-12-26 |
| CN102840545B true CN102840545B (en) | 2014-01-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110169657.7A Expired - Fee Related CN102840545B (en) | 2011-06-22 | 2011-06-22 | Reflective cup and flood lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102840545B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114110534B (en) * | 2020-08-27 | 2024-08-16 | 邓敏 | Reflective assembly, reflective light source device and lamp |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1586814A2 (en) * | 2004-04-16 | 2005-10-19 | TRILUX-LENZE GmbH + Co. KG | Lighting system |
| CN101718415A (en) * | 2008-10-09 | 2010-06-02 | 台达电子工业股份有限公司 | Lighting device and light reflector thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2623967C (en) * | 2007-03-06 | 2015-11-24 | Canlyte Inc. | Lighting device with composite reflector |
-
2011
- 2011-06-22 CN CN201110169657.7A patent/CN102840545B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1586814A2 (en) * | 2004-04-16 | 2005-10-19 | TRILUX-LENZE GmbH + Co. KG | Lighting system |
| CN101718415A (en) * | 2008-10-09 | 2010-06-02 | 台达电子工业股份有限公司 | Lighting device and light reflector thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102840545A (en) | 2012-12-26 |
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Granted publication date: 20140122 Termination date: 20200622 |