CN101718415B - Illumination device and light reflector thereof - Google Patents
Illumination device and light reflector thereof Download PDFInfo
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- CN101718415B CN101718415B CN2008101664979A CN200810166497A CN101718415B CN 101718415 B CN101718415 B CN 101718415B CN 2008101664979 A CN2008101664979 A CN 2008101664979A CN 200810166497 A CN200810166497 A CN 200810166497A CN 101718415 B CN101718415 B CN 101718415B
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- face
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- light
- light source
- reflector plate
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Abstract
The invention provides an illumination device and a light reflector thereof. The light reflector is used for reflecting light rays emitted by a light source and comprises at least one reflection sheet forming a conical structure; the conical structure is provided with a first end surface and a second end surface which correspond to each other, wherein the first end surface is used for setting the light source; the second end surface is a light emitting end; and center shafts of the first end surface and the second end surface are not coincided or coincided.
Description
Technical field
The present invention is about a kind of lighting device and light reflecting cover thereof, and particularly a kind of have height directive property, can light be concentrated on the light reflecting cover in the demand zone.
Background technology
Traditional street lighting device uses mercury vapor lamp, high-pressure mercury lamp or metal halide lamp etc. more; And the hemispheric lampshade of arranging in pairs or groups, seeing also shown in Figure 1A and Figure 1B, it shows traditional lampshade 1; Through the reflecting surface 11 of sphere, the light of rear or side is reflexed to the place ahead.Yet traditional lampshade 1 only can with light simple reflex to the place ahead; Do not have directive property; Can't effectively light be concentrated in the surface area of demand irradiation; Therefore the service efficiency of light fixture is low, and has a lot of unnecessary scattered lights to produce, for the driver on the road, pedestrian in addition on every side the household all can impact.
Summary of the invention
The object of the present invention is to provide a kind of lighting device and light reflecting cover thereof, particularly a kind of have the height directive property, can light be concentrated on the light reflecting cover in the demand zone.
So, for realizing above-mentioned purpose, according to light reflecting cover of the present invention; In order to reflect the light that a light source is sent, this light reflecting cover comprises most reflector plates, is combined into a cone structure; This cone structure has one first end face and one second end face of mutual correspondence; Wherein first end face is in order to be provided with light source, and second end face is a light exit side, and first end face does not overlap with the central shaft of second end face.
Wherein, First end face is an open end or is the blind end that reflector plate is set; It is parallel that this first end face and second end face are preferably, and the area of second end face is greater than first end face, and this first end face and this second end face are oval, circular, rectangle or polygon plane.This second end face is preferably a rectangle plane, has two long limits that are parallel to each other and two minor faces that are parallel to each other, and the vertical range of the central shaft of first end face and two long limits of second end face or two minor faces is unequal.
Above-mentioned reflector plate comprises at least one buckling piece; In order to the adjacent reflector plate of winding, this reflector plate further comprises first reflector plate with trip and second reflector plate with draw-in groove, and this light reflecting cover cross section longitudinally is a ladder plane; The material of this reflector plate is preferably aluminium; Its surface has a high reflection material, forms by plated film or coating method, and this high reflection material is preferably silver.
For reaching above-mentioned purpose; Another kind of light reflecting cover of the present invention comprises most reflector plates; Be combined into a cone structure, this cone structure has first end face and second end face of mutual correspondence, and wherein this first end face is in order to be provided with light source; This second end face is a light exit side, and this second end face quadrangular plan that is a non-rectangle.Above-mentioned second end face is preferably a ladder plane.
For reaching above-mentioned purpose, lighting device of the present invention is arranged by at least one lighting module and is assembled, and wherein each lighting module comprises at least one light source, at least one light reflecting cover, a substrate and a radiator.This light reflecting cover is corresponding to the light source setting; Be made up of most reflector plates, each light reflecting cover has one first end face and one second end face, and this first end face is in order to be provided with light source; This second end face is a light exit side; Substrate is in order to provide the light source setting above that, and radiator is arranged on the substrate below, in order to the substrate heat radiation to be provided.
Wherein, this light source is preferably a light emitting diode, and this lighting module also comprises an electric power connection line, a housing and a rubber blanket, and this electric power connection line electrically connects this light source; The material of this housing is preferably aluminium, and it connects radiator, in order to coating light source, substrate and light reflecting cover, and further comprises a transparent panel, and its material is preferably glass, is arranged on the light source top, penetrates so that light to be provided; This rubber blanket is arranged between housing and the radiator, in order to this light source water-proof function to be provided.
An above-mentioned majority lighting module with coplane or not the coplane mode arrange assembling, the arcuation mode that is preferably is assembled.Above-mentioned lighting device also comprises a ring-shaped frame, and this majority lighting module is arranged on this ring-shaped frame.
Above-mentioned second end face is preferably a rectangle plane; Have two long limits that are parallel to each other and two minor faces that are parallel to each other; This first end face central point extends to the line and the minimum angle between the first end face central shaft on the long limit of second end face and spends more than or equal to 25; Be less than or equal to 35 degree, and this first end face central point line of extending to the second end face minor face and the minimum angle between the first end face central shaft are less than or equal to 60 and spend more than or equal to 30 degree.
Description of drawings
Figure 1A and Figure 1B show the sketch map of the hemispherical light reflecting cover of conventional art;
Fig. 2 A shows the sketch map of the asymmetry light reflecting cover of the preferred embodiments of the present invention;
Fig. 2 B shows the side view of Fig. 2 A;
Fig. 2 C shows the top view of Fig. 2 A;
Fig. 2 D and Fig. 2 E show that the asymmetry light reflecting cover of Fig. 2 A is used in the sketch map of lighting device;
Fig. 3 A shows the sketch map of the trapezoidal light reflecting cover of the preferred embodiments of the present invention;
Fig. 3 B shows the side view of Fig. 3 A;
Fig. 3 C shows the top view of Fig. 3 A;
Fig. 4 A shows the top view of the rectangular light reflector of the preferred embodiments of the present invention;
Fig. 4 B shows the side view of Fig. 4 A short side direction;
Fig. 4 C shows the side view of Fig. 4 A long side direction;
Fig. 5 A shows the decomposition diagram of the lighting module of the preferred embodiments of the present invention;
Fig. 5 B shows the sketch map after Fig. 5 A combination;
Fig. 6 A and Fig. 6 B show the sketch map of the light reflecting cover of Fig. 5 A; And
Fig. 7 A and Fig. 7 B show the sketch map of the lighting device of the preferred embodiments of the present invention.The main element symbol description
1: lampshade
11: reflecting surface
20: reflector plate
21: the first end faces
22: the second end faces
221: long limit
222: minor face
23: road lamp device
24: vehicle road
25: Route for pedestrians
5: lighting module
51: light reflecting cover
511: the first reflector plates
5111: trip
512: the second reflector plates
5121: draw-in groove
52: light source
53: substrate
54: radiator
55: housing
551: transparent panel
56: rubber blanket
57: electric power connection line
7: lighting device
71: ring-shaped frame
A1: the central shaft of first end face
A2: the central shaft of second end face
H: the height that lighting device is provided with
P1: the first end face central point extends to the line on the long limit of second end face
P2: the first end face central point extends to the line of the second end face minor face
W1: vehicle road width
W2: Route for pedestrians width
X, y1, y2: length
Angle between θ: P1 and the A1
Angle between φ: P2 and the A1
δ: lighting device angle of inclination
The specific embodiment
Below will be with reference to relevant drawings, according to the preferred embodiments of the present invention, wherein components identical will be explained with identical reference marks with explanation.
See also Fig. 2 A to Fig. 2 C, it shows the asymmetry light reflecting cover of the preferred embodiments of the present invention, and Fig. 2 B is the side view of Fig. 2 A, and Fig. 2 C is the top view of Fig. 2 A, and it comprises most reflector plates 20, is combined into a cone structure; Or be bent into a cone structure by the individual reflection sheet.This cone structure has first end face 21 and one second end face 22 of mutual correspondence; Wherein first end face 21 is in order to be provided with light source; 22 of second end faces are a light exit side; First end face and second end face are an open end, and the central shaft A2 of the central shaft A1 of first end face 21 and second end face 22 does not overlap.
Above-mentioned second end face is that a rectangle plane has two long limits 221 that are parallel to each other and two minor faces 222 that are parallel to each other; The vertical range on the central shaft A1 of this first end face 21 and these two long limits 221 of second end face is respectively y1 and y2; And y1 is not equal to y2; And the vertical range of the first end face central shaft and two minor faces 222 is x, and both equate.Other sees also Fig. 2 D and Fig. 2 E, and it shows that asymmetry light reflecting cover of the present invention uses on lighting device 23, and this lighting device operated by rotary motion is between vehicle road 24 and Route for pedestrians 25; The width w1 of vehicle road adds that the width w2 of Route for pedestrians equals the height h that lighting device is provided with; Be w1+w2=h, the spacing between two lighting devices is 3h, and lighting device is for being horizontally disposed with in the present embodiment; But lighting device also can be set to an angle δ, and this angle δ is preferably less than 15 degree.Under the situation that the area of first end face is fixed, the length of control y1 and y2 can be controlled the light angle of the direction of having a lot of social connections, and wherein y1 is the light angle of control vehicle road 24 1 sides, and the light angle of y2 control Route for pedestrians 25 1 sides.The light shape that can obtain the two-phase tropism through this design distributes, and reaches the demand of the road surface average illumination and the light uniformity.In addition, also can change the vertical range of 22 two minor faces 222 of first end face, 21 central shaft A1 to the second end faces, control the light angle of road length direction.
See also Fig. 3 A to Fig. 3 C; It shows the trapezoidal light reflecting cover of the preferred embodiments of the present invention; Fig. 3 B is the side view of Fig. 3 A, and Fig. 3 C is the top view of Fig. 3 A, and the difference of present embodiment and above-mentioned asymmetry light reflecting cover is that first end face 21 and second end face 22 are a ladder plane.The main effect of this trapezoidal light reflecting cover is; When the lamp holder of lighting device tilts an elevation angle δ (δ < 15 °); The light that has part exceeds the demand irradiation area, and in order to promote the service efficiency of light fixture, through four conical surfaces of cone structure that this trapezoidal light reflecting cover appears; Can revise light shape, light is concentrated in the irradiation area of demand.
See also Fig. 4 A to Fig. 4 C; It shows the rectangular light reflector of the preferred embodiments of the present invention; Fig. 4 A is a top view, and Fig. 4 B is the side view of short side direction, and Fig. 4 C is the side view of long side direction; The difference of the present invention and the foregoing description is that first end face and second end face are rectangle plane; Both central shaft A1 overlaps, and wherein to extend to the line P1 on the long limit 221 of second end face be θ with the angle between the first end face central shaft A1 to the first end face central point, and wherein preferably the person is 25 ° of < < 35 ° of θ; And the first end face central point extends to the line P2 of the second end face minor face 222 and the angle between the first end face central shaft A1 is φ, and wherein preferred person is 30 ° of < < 60 ° of φ.
In the foregoing description, first end face can be the blind end that an open end or is provided with reflector plate, and this first end face and the visual actual needs of this second end face are ellipse, circle, rectangle, trapezoidal, polygon or irregular shape; Both can be parallel to each other or be not parallel; This light reflecting cover cross section longitudinally is a ladder plane, and the area of this second end face is greater than first end face, and this reflector plate comprises at least one buckling piece; In order to the adjacent reflector plate of winding, form a cone structure.
See also Fig. 5 A and Fig. 5 B; It shows the lighting module of the preferred embodiments of the present invention, and this lighting module 5 comprises a light reflecting cover 51, a light source 52, a substrate 53, a radiator 54, a housing 55, a transparent panel 551, a rubber blanket 56 and an electric power connection line 57.Light reflecting cover 51 is provided with corresponding to light source 52, is made up of most reflector plates, and each light reflecting cover has one first end face and one second end face; This first end face is in order to be provided with light source 52, and this second end face is a light exit side, and this substrate 53 provides light source 52 to be provided with above that; This radiator 54 is arranged on substrate 53 belows, and in order to provide substrate 53 heat radiations, this housing 55 connects radiator 54; In order to coat light source 52, substrate 53 and light reflecting cover 51; Its material is an aluminium, and the top of housing 55 has a transparent panel 551, penetrates in order to the light that light source 52 is provided.Surperficial Pasting one Heat Conduction Material of this substrate.
This light source 52 is a light emitting diode; Electrically connect this electric power connection line 57; This rubber blanket 56 is arranged between housing 55 and the radiator 54, and in order to water-proof function to be provided, the material of this light reflecting cover 51 is an aluminium; The surface has a high reflection material and forms with plated film or coating method, and its material is preferably silver.
See also Fig. 6 A and Fig. 6 B; It shows the light reflecting cover of Fig. 5 A, and this package assembly can form two groups of light reflecting covers 51, is made up of two first reflector plates 511 and one second 512 of reflector plate; First reflector plate 511 has most trips 5111; And second reflector plate 512 has most to draw-in groove 5121 that should trip 5111, the draw-in groove 5121 of trip 5111 chimeric these second reflector plates 512 through first reflector plate 511, and be assembled into this light reflecting cover 51.
See also Fig. 7 A and Fig. 7 B, it shows the lighting device of the preferred embodiments of the present invention, and it comprises a ring-shaped frame 71; The lighting modules 5 of most as Fig. 5 B are arranged on this ring-shaped frame 71, this majority lighting module 5 with coplane or not the coplane mode arrange assembling, be the arcuation arrangement in the present embodiment; Have three row's structures; Central authorities rows' lighting module 5 is arranged with level angle, about two rows then respectively to central authorities' angle that tilts, and be an arcuation.This lighting device 7 is preferably a road lamp device, searchlight or projecting lamp.
In sum, lighting device of the present invention and light reflecting cover thereof have height directive property, can light be concentrated in the demand zone; And through the irregular polygon design; Make most the conical surfaces of cone structure go to revise light shape, let light concentrate, so that the service efficiency of light fixture to be provided.Under the demand of equal illumination, through the raising of light fixture service efficiency, reduce the generation of unnecessary scattered light, can reduce the quantity of light source, further reduce cost.
The above is merely illustrative, but not is restricted.Anyly do not break away from spirit of the present invention and category, and, all should comprise in the present invention its equivalent modifications of carrying out or change.
Claims (13)
1. a lighting device is assembled by at least one lighting module arrangement, and wherein each lighting module comprises:
At least one light source;
At least one light reflecting cover is provided with corresponding to this light source, is made up of at least one reflector plate, and this light reflecting cover has one first end face and one second end face, and this first end face is in order to be provided with this light source, and this second end face is a light exit side;
One substrate provides this light source setting above that; And
One radiator is arranged on a side of this substrate, so that the heat radiation of this substrate to be provided,
Wherein, This second end face has two long limits and two minor faces; The first end face central point extends to line and the angle between the first end face central shaft on the long limit of second end face greater than 25 ° and less than 35 °, and the first end face central point extends to line and the angle between the first end face central shaft of the second end face minor face greater than 30 ° and less than 60 °.
2. lighting device according to claim 1, wherein this lighting module also comprises a housing, connects this radiator, in order to coat this light source, this substrate and this light reflecting cover.
3. lighting device according to claim 2, wherein this housing also comprises a transparent panel, is arranged on the light path of this light source, penetrates so that light to be provided.
4. lighting device according to claim 3, wherein the material of this housing is an aluminium, the material of this transparent panel is a glass.
5. lighting device according to claim 1, wherein this lighting module also comprises a rubber blanket, is arranged between this housing and this radiator, in order to water-proof function to be provided.
6. lighting device according to claim 1, wherein should a majority lighting module with coplane, coplane or arcuation mode are not arranged assembling.
7. lighting device according to claim 1, it also comprises a framework, this majority lighting module is arranged on this framework.
8. lighting device according to claim 1, it is a road lamp device, searchlight or projecting lamp.
9. lighting device according to claim 1; Wherein this lighting device is a road lamp device; This second end face has two long limits that are parallel to each other and two minor faces that are parallel to each other, and the vertical range on this first end face central shaft and these two long limits of second end face can be controlled the have a lot of social connections light angle of direction of road; The vertical range of this first end face central shaft and two minor faces of this second end face can be controlled the light angle of road road length direction.
10. lighting device according to claim 1, wherein this light source is a light emitting diode, and this lighting device comprises an electric power connection line, electrically connects this light source.
11. lighting device according to claim 1, wherein a Heat Conduction Material is pasted on the surface of this substrate.
12. lighting device according to claim 1, wherein this reflector plate comprises at least one buckling piece, becomes a cone structure in order to winding.
13. lighting device according to claim 1; Wherein this at least one reflector plate comprises 2 first reflector plates and one second reflector plate; This first reflector plate has at least one trip, and this second reflector plate has at least one draw-in groove that should trip, to form two groups of light reflecting covers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101664979A CN101718415B (en) | 2008-10-09 | 2008-10-09 | Illumination device and light reflector thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101664979A CN101718415B (en) | 2008-10-09 | 2008-10-09 | Illumination device and light reflector thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101718415A CN101718415A (en) | 2010-06-02 |
| CN101718415B true CN101718415B (en) | 2012-04-18 |
Family
ID=42433024
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008101664979A Expired - Fee Related CN101718415B (en) | 2008-10-09 | 2008-10-09 | Illumination device and light reflector thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101718415B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102345816B (en) * | 2010-08-03 | 2014-04-02 | 海洋王照明科技股份有限公司 | LED (light emitting diode) light fitting |
| US8485684B2 (en) * | 2011-05-13 | 2013-07-16 | GE Lighting Solutions, LLC | LED roadway luminaire |
| CN102840545B (en) * | 2011-06-22 | 2014-01-22 | 海洋王照明科技股份有限公司 | Reflective cup and flood lamp |
| CN104296073B (en) * | 2013-07-17 | 2017-08-08 | 深圳市赛博优讯科技股份有限公司 | A kind of reflector, send electro-optical device and monitoring system |
| JP2018056104A (en) * | 2016-09-29 | 2018-04-05 | 株式会社アブラム | Light-emitting diode type lighting device |
| TWI615581B (en) * | 2017-07-14 | 2018-02-21 | 達運精密工業股份有限公司 | Light reflective cover and illumination apparatus having the same |
-
2008
- 2008-10-09 CN CN2008101664979A patent/CN101718415B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN101718415A (en) | 2010-06-02 |
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