CN102168814A - Lighting device - Google Patents
Lighting device Download PDFInfo
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- CN102168814A CN102168814A CN2011100057190A CN201110005719A CN102168814A CN 102168814 A CN102168814 A CN 102168814A CN 2011100057190 A CN2011100057190 A CN 2011100057190A CN 201110005719 A CN201110005719 A CN 201110005719A CN 102168814 A CN102168814 A CN 102168814A
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- lighting device
- light
- dazzle
- illuminating part
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- 230000003287 optical effect Effects 0.000 claims abstract description 15
- 239000000758 substrate Substances 0.000 claims description 41
- 238000005286 illumination Methods 0.000 claims description 17
- 239000000203 mixture Substances 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 230000004313 glare Effects 0.000 abstract description 2
- 238000009826 distribution Methods 0.000 description 6
- 238000001816 cooling Methods 0.000 description 5
- 230000000149 penetrating effect Effects 0.000 description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 239000004411 aluminium Substances 0.000 description 3
- 238000004512 die casting Methods 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000011796 hollow space material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 239000004925 Acrylic resin Substances 0.000 description 1
- 229920000178 Acrylic resin Polymers 0.000 description 1
- 241001062009 Indigofera Species 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000007665 sagging Methods 0.000 description 1
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Abstract
The invention provides a lighting device which conducts lighting on a tall building from the lower part by means of an LED light-emitting part. The lighting device (10) comprises a reflection board (13) having a paraboloid, an LED light-emitting part (12) whose main optical axis faces towards the reflection board (13), and glare removing faces (19, 29) shielding light which is irradiated from the LED light-emitting part (12) and faces towards light deviating the reflection board (13).
Description
Technical field
The present invention relates to be applicable to and use the LED illuminating part to face upward the lighting device of penetrating (light up) usefulness from the below to what for example high-rise threw light on.
Background technology
The known in the past lighting device (for example, with reference to patent documentation 1) that has the primary optical axis of LED illuminating part towards reflecting surface.
The look-ahead technique document
Patent documentation
Patent documentation 1: TOHKEMY 2008-226788 communique (Fig. 2, claim 1)
Night, face upward the lighting device of penetrating usefulness from the below to what high-rise threw light on, the perhaps lighting device of (light down) usefulness of shooting downward of downwards high-rise being thrown light on from the top perhaps carries out the directional light that lighting device that the spot light of spot light (spot) illumination uses requires to shine a distant place to building.
Yet patent documentation 1 is to be prerequisite with the headlight for automobile, and its luminous intensity distribution is the structure that has certain diffusion with respect to optical axis, is not suitable for above-mentioned purposes.
Summary of the invention
The present invention makes in order to solve above-mentioned problem, and its purpose is to provide a kind of and is suitable for using the LED illuminating part to face upward the lighting device of penetrating usefulness from the below to what for example high-rise threw light on.
Lighting device of the present invention possesses: reflecting surface has parabola; The LED illuminating part is configured to primary optical axis towards above-mentioned reflecting surface; And dazzle removes face, cover from above-mentioned LED illuminating part irradiation, towards the light of the position of having departed from above-mentioned reflecting surface.
Lighting device of the present invention by the roughly anti-dazzle spare of hat that the peripheral part at above-mentioned reflecting surface forms, forms above-mentioned dazzle and removes face.
Lighting device of the present invention by near the tabular shading piece from beginning the edge part of above-mentioned reflecting surface to dispose abreast with respect to catoptrical direction of illumination, forms above-mentioned dazzle and removes face.
Lighting device of the present invention by being supported on the anti-dazzle spare of roughly semicircular cylinder shape above-mentioned LED illuminating part side, that have the axis that disposes abreast with respect to catoptrical direction of illumination, forming above-mentioned dazzle and removes face.
Lighting device of the present invention also possesses: casing is used to accommodate above-mentioned reflecting surface, above-mentioned LED illuminating part and above-mentioned shading piece; And lid, have the light-passing board that seals above-mentioned casing, between above-mentioned shading piece and above-mentioned light-passing board, be provided with buffer unit.
The above-mentioned anti-dazzle spare of lighting device of the present invention is towards catoptrical direction of illumination and the shape of hole enlargement, and inner face is to have paraboloidal subreflector.
Lighting device of the present invention, by be supported on above-mentioned LED illuminating part side, make the light guide member that penetrates after the incident light internal reflection, form above-mentioned dazzle and remove face.
The above-mentioned dazzle removal face of lighting device of the present invention is light absorbing color.
Lighting device of the present invention also possesses the adjustment part of adjusting with respect to the elevation angle of the above-mentioned reflecting surface of above-mentioned LED illuminating part.
Lighting device of the present invention has from beginning is with respect to catoptrical direction of illumination tabular shading piece that dispose abreast, that block dazzle near the edge part of above-mentioned reflecting surface, and above-mentioned adjustment part can be adjusted above-mentioned reflecting surface and above-mentioned shading piece integratedly.
Lighting device of the present invention possesses the stream that forms along the back side of the substrate of above-mentioned LED illuminating part.
Lighting device of the present invention, above-mentioned LED illuminating part has a plurality of, is provided with the space between the substrate of above-mentioned each LED illuminating part.
Lighting device of the present invention, above-mentioned LED illuminating part has more than 3, and the base plate supports of above-mentioned each LED illuminating part is in polygonal portion.
Lighting device of the present invention possesses the through hole of an opposite side with illumination direction that is arranged on above-mentioned reflecting surface.
Lighting device of the present invention, the power line that is arranged in above-mentioned LED illuminating part is inserted logical above-mentioned through hole.
Lighting device of the present invention is formed with above-mentioned through hole, so that the light that becomes the composition of form and aspect inequality from having of above-mentioned LED light from light source is not reflected.
Lighting device of the present invention, above-mentioned LED illuminating part are configured to the big side of the radius of curvature of above-mentioned primary optical axis in above-mentioned parabola.
Lighting device of the present invention, above-mentioned LED illuminating part are arranged on the position of not covering by the light after the above-mentioned reflecting surface reflection.
The invention effect
According to lighting device of the present invention, can obtain following technique effect: can provide a kind of and be suitable for using the LED illuminating part to face upward the lighting device of penetrating usefulness from the below to what for example high-rise threw light on.
Description of drawings
Fig. 1 opens the stereoscopic figure that the state of lid of the lighting device of the 1st embodiment of the present invention is seen from oblique upper.
Fig. 2 is the longitudinal section of the lighting device of Fig. 1.
Fig. 3 is the reflecting plate of lighting device of Fig. 1 and the vertical view of reflecting plate installing component.
Fig. 4 is the longitudinal section before the reflecting plate of the lighting device of Fig. 1 is adjusted.
Fig. 5 is the adjusted longitudinal section of reflecting plate of the lighting device of Fig. 1.
Fig. 6 is the longitudinal section of the lighting device of the 2nd embodiment of the present invention.
Fig. 7 is the longitudinal section of the lighting device of the 3rd embodiment of the present invention.
Fig. 8 is the longitudinal section of the lighting device of the 4th embodiment of the present invention.
Fig. 9 is the cutaway view of the lighting device of the 5th embodiment of the present invention.
Figure 10 is the longitudinal section of the lighting device of the 6th embodiment of the present invention.
Figure 11 is the longitudinal section of the lighting device of Figure 10.
Figure 12 is the longitudinal section of the lighting device of the 7th embodiment of the present invention.
Figure 13 is the vertical view of the lighting device of the 8th embodiment of the present invention.
Figure 14 is the longitudinal section of the lighting device of Figure 13.
Figure 15 is the longitudinal section of the lighting device of the 9th embodiment of the present invention.
Figure 16 is the longitudinal section of the lighting device of the 10th embodiment of the present invention.
Figure 17 is the longitudinal section of the lighting device of the 11st embodiment of the present invention.
Figure 18 is the cut front view of a part of the ligthing paraphernalia of the 12nd embodiment of the present invention.
Figure 19 is that the part of the ligthing paraphernalia of Figure 18 is cut off vertical view.
Figure 20 is the A-A line cutaway view of the ligthing paraphernalia of Figure 18.
Figure 21 is the front view of the LED unit in the ligthing paraphernalia of Figure 18.
Figure 22 is the right side view of the LED unit of Figure 21.
Figure 23 is the vertical view of the LED in the LED unit of Figure 21.
Figure 24 is the assortment figure of the LED in the ligthing paraphernalia of Figure 18.
Figure 25 is the right side view of the LED unit that describes of the characteristic to the optics of the ligthing paraphernalia of Figure 18.
Figure 26 is the schematic diagram of characteristic of optics of horizontal plane direction of the ligthing paraphernalia of Figure 18.
Figure 27 is the schematic diagram of characteristic of optics of vertical plane direction of the ligthing paraphernalia of Figure 18.
Description of reference numerals
10,40,50,60,70,80 lighting devices
11 casings
12 LED illuminating parts
13 reflecting plates
14 lids
15 light-passing boards
17 reflectings surface
19,29,41,52,61 anti-dazzle spares (dazzle removal face)
27,51 shading pieces (dazzle removal face)
28 bolsters
71 subreflectors
81 light guide members
The specific embodiment
Below, describe with reference to the lighting device of accompanying drawing a plurality of embodiments of the present invention.
(the 1st embodiment)
As the lighting device 10 of the 1st embodiment of the present invention is the facing upward to penetrate and use lighting device of lid 14 that possesses casing 11, a plurality of LED illuminating part 12, a plurality of reflecting plate 13, has light-passing board 15.
As shown in Figure 1, carry out drawing, thereby the casing 11 of the top opening that is shaped contains LED illuminating part (with reference to Fig. 2) 12 and reflecting plate 13 in this casing 11 by aluminium die casting making sheet parts to thin thickness.The end of lid 14 and the end of casing 11 link by hinge member 16.Light-passing board 15 is plate member of acrylic resin system for example.
As shown in Figure 2, reflecting plate 13 has the parabola of the hemisphere face shape of concavity, has the reflecting surface 17 of the mirror-like that forms by aluminium-vapour deposition.Reflecting plate 13 has the through hole 18 of semi-circular shape in the bottom of reflecting surface 17, peripheral part at reflecting surface 17 has the roughly anti-dazzle spare 19 of hat (sheltering shape) one-body moldedly, this anti-dazzle spare 19 is used to form dazzle and removes (glare cut) face, and this dazzle removal face covers the light towards the position of departing from from reflecting surface 17.Through hole 18 is streams of air, also is the distribution path that LED illuminating part 12 is carried out distribution.Casing 11 has the substrate (ベ one ス plate) 20 of multilayer, and screw thread is fixed with the middle plate 22 in the space with hollow form 21 that is the コ word shape on the substrate 20.Be separately installed with power subsystem 23 on the substrate 20.
Reflecting plate 13 is fixed on the reflecting plate installing component 24 by screw thread, is fixed on the substrate 20 by screw thread by reflecting plate installing component 24.LED illuminating part 12 has been installed led chip 26 on the LED of the printed circuit with not shown regulation substrate 25.LED substrate 25 screw threads are fixed on the middle plate 22.Near the edge part that disposes anti-dazzle spare 19 in reflecting plate 13, the tabular shading piece 27 that disposes abreast with catoptrical direction of illumination, be used to form dazzle removal face is installed.Applied on the shading piece 27 and be used for light absorbing for example delustring black (?Yan disappear) etc.Leading section at shading piece 27 is equipped with rubber-like bolster 28, and this bolster 28 contacts with light-passing board 15 when lid 14 has sealed casing 11, is used to prevent the deflection of light-passing board 15.
The preceding square thread of the LED illuminating part 12 in substrate 20 is fixed with the roughly anti-dazzle spare 29 of semicircular cylinder shape, and this anti-dazzle spare 29 has with respect to catoptrical direction of illumination and the axis of configuration abreast, is used to form dazzle and removes face.Be coated with on the anti-dazzle spare 29 and be used for light absorbing for example delustring black etc.Anti-dazzle spare 29 has formed Bottom Shape (the top shape is arranged), has top board 30, and this top board 30 is used to avoid from the direct view led chip 26 of illuminated subject side, also is used to realize the raising of the intensity of self.
As shown in Figure 3, a pair of reflecting plate 13 is installed on the reflecting plate installing component 24.The sidepiece of reflecting plate installing component 24 is provided with a pair of slotted hole 31 and the circular hole 32 of a part that is used to constitute the adjustment part.3 positions of interval 90 degree of the outer rim of reflecting plate 13 in anti-dazzle spare 19 have the excision portion 33 that is cut the shape that is in line.Excision portion 33 has the function of the standoff distance between the reflecting plate 13 that dwindles a plurality of arrangements.By a plurality of screw 34 screw threads being embedded the reflecting plate installing components 24, thereby reflecting plate 13 is installed on the reflecting plate installing component 24 from anti-dazzle spare 19 sides.
As Fig. 4, shown in Figure 5, reflecting plate installing component 24 will be by circular hole 32 other the screw 35 of a part of the formation adjustment part that embeds of screw thread as fulcrum, loosen the screw 36 of the other part of the formation adjustment part that by slotted hole 31 screw thread embeds, the elevation angle that can make reflecting plate 13 integratedly with shading piece 27 is with respect to the casing 11 for example amount of angle θ of fascinating.Thus, can change based on the reflecting surface 17 of reflecting plate 13 catoptrical towards.
Therefore, in the lighting device 10 of the 1st embodiment, reflecting plate 13 has reflecting surface 17, and this reflecting surface 17 has parabola.
Thus, in the lighting device 10 of the 1st embodiment, can use the uncontrollable part of light directive property effectively, improve optical efficiency by led chip 26.
In addition, in the lighting device 10 of the 1st embodiment, formed dazzle by the anti-dazzle spare 19 of hat roughly and removed face.
Thus, in the lighting device 10 of the 1st embodiment, the maximization that the shape of reflecting plate 13 can not become can be carried out dazzle reliably to reflecting plate 13 uncontrollable direct sunshines from led chip 26 and remove.
And, in the lighting device 10 of the 1st embodiment, also possess tabular shading piece 27, so that anti-dazzle spare 19 can not become is big.
Thus, in the lighting device 10 of the 1st embodiment, can under the constant big situation of anti-dazzle spare 19, improve the taking-up efficient of light.
In addition, in the lighting device 10 of the 1st embodiment, roughly the anti-dazzle spare 29 of semicircular cylinder shape has top board 30.
Thus, in the lighting device 10 of the 1st embodiment, can direct view led chip 26 thereby good on appearance from illuminated subject side, and can realize the raising of the intensity of self.
In addition, in the lighting device 10 of the 1st embodiment, bolster 28 and resinous light-passing board 15 butts.
Thus, in the lighting device 10 of the 1st embodiment, can prevent the sagging of light-passing board 15.
In addition, in the lighting device 10 of the 1st embodiment, form dazzle remove the tabular shading piece 27 of face and roughly the anti-dazzle spare 29 of semicircular cylinder shape be set at light absorbing color.Thus, in the lighting device 10 of the 1st embodiment, reverberation and remove dazzle reliably not.
And, in the lighting device 10 of the 1st embodiment, formed the circulation route of air by the space 21 of middle plate 22.
Thus, in the lighting device 10 of the 1st embodiment, utilize the fluid (air) that circulates by the space 21 of middle plate 22, can cooling LED substrate 25.
In addition, in the lighting device 10 of the 1st embodiment, air flows by the through hole 18 of reflecting plate 13.
Thus, in the lighting device 10 of the 1st embodiment, the fluid (air) that utilizes the through hole 18 by reflecting plate 13 to circulate can cooling LED chip 26.
In addition, in the lighting device 10 of the 1st embodiment, arrange (joining plan) power line C by the through hole 18 of reflecting plate 13.
Thus, in the lighting device 10 of the 1st embodiment, the power line C that arranges in the through hole 18 of reflecting plate 13 is cooled off by the fluid (air) that is circulated by through hole 18, thereby can suppress the heating of power line C.
(the 2nd embodiment)
Then, the lighting device to the 2nd embodiment of the present invention describes.In addition, in each following embodiment, for identical inscape on the inscape that repeats with above-mentioned the 1st embodiment, the function, additional identical in the drawings Reference numeral or suitable Reference numeral, and omit explanation or describe briefly.As shown in Figure 6, the lighting device 40 of the 2nd embodiment of the present invention does not have through hole on reflecting plate 13, possess anti-dazzle spare 41, and this anti-dazzle spare 41 extends to the edge of binding reflecting plate 13 and the line of led chip 26 at the front surface of LED illuminating part 12.
Therefore, in the lighting device 40 of the 2nd embodiment, the light that becomes side how from the yellow composition in the light of led chip 26 can not penetrate.
Thus, in the lighting device 40 of the 2nd embodiment, the light of white is penetrated energetically, prevent the generation of form and aspect inequality (look む ら).
(the 3rd embodiment)
Then, the lighting device to the 3rd embodiment of the present invention describes.
As shown in Figure 7, the lighting device 50 of the 3rd embodiment of the present invention possesses: tabular shading piece 51, be configured to respect to catoptrical direction of illumination and parallel, and be formed with dazzle to remove face; And anti-dazzle spare 52, extend to the edge of the shading piece 51 that links reflecting plate 13 and the line of led chip 26 at the front surface of LED illuminating part 12.
Therefore, in the lighting device 50 of the 3rd embodiment, has tabular shading piece 51 so that anti-dazzle spare 52 can not become big.
Thus, in the lighting device 50 of the 3rd embodiment, can under the constant big situation of anti-dazzle spare 52, improve the taking-up efficient of light.
(the 4th embodiment)
Then, the lighting device to the 4th embodiment of the present invention describes.
As shown in Figure 8, the lighting device 60 of the 4th embodiment of the present invention possesses the anti-dazzle spare 61 of semicircular cylinder shape, and this anti-dazzle spare 61 is configured to have the axis parallel with catoptrical direction of illumination, is used to form dazzle and removes face.
Therefore, in the lighting device 60 of the 4th embodiment, reverberation passes through by the anti-dazzle spare 61 of semicircular cylinder shape.
Thus, in the lighting device 60 of the 4th embodiment, can reduce the loss of light and increase light quantity.
(the 5th embodiment)
Then, the lighting device to the 5th embodiment of the present invention describes.
As shown in Figure 9, in the lighting device 70 of the 5th embodiment of the present invention, the front surface of led chip 26 install have towards catoptrical direction of illumination and the shape of hole enlargement, inner face is to have paraboloidal subreflector 71 to be used as anti-dazzle spare.
Therefore, in the lighting device 70 of the 5th embodiment, the light that will depart from the reflecting surface 17 of reflecting plate 13 is taken into subreflector 71, from be reflected reflecting surface 17 reflections of plate 13 of the light of led chip 26, and is reflected by subreflector 71.
Thus, in the lighting device 70 of the 5th embodiment, can improve the taking-up efficient of light.
(the 6th embodiment)
Then, the lighting device to the 6th embodiment of the present invention describes.
As Figure 10, shown in Figure 11, in the lighting device 80 of the 6th embodiment of the present invention, the front surface that makes the light guide member 81 that penetrates after the incident light internal reflection from led chip 26 be installed in led chip 26 is used as dazzle and removes face.
Therefore, in the lighting device 80 of the 6th embodiment, from the light of led chip 26 incidents based on the characteristic of the optics of light guide member 81 and by total reflection.
Thus, in the lighting device 80 of the 6th embodiment,, can control light efficiently by based on the reverberation of the reflecting surface 17 of reflecting plate 13 with from the reverberation of light guide member 81.
(the 7th embodiment)
Then, the lighting device to the 7th embodiment of the present invention describes.In addition, in each following embodiment, at identical inscape on the inscape that repeats with above-mentioned the 1st embodiment, the function, additional identical in the drawings Reference numeral or suitable Reference numeral, thereby schematic illustration or omit explanation.
As shown in figure 12, the lighting device 740 of the 7th embodiment of the present invention possesses pair of LEDs illuminating part 12 and a pair of reflecting plate 13, and each LED substrate 25 leans against configuration privately on the middle plate 741 of subtend configuration in each LED illuminating part 12.Therefore, between middle plate 741, be provided with space 742, the binding of being put up a bridge of the upper end of middle plate 741.
The space 42 of the middle plate 41 of such lighting device 740 by being fixed with LED substrate 25 has formed the air flow circuit of circulation around reflecting plate 13.Therefore, be accompanied by the luminous of led chip 26 and the heat of the LED substrate 25 of heating by space 42 to the sidepiece convection current of LED substrate 25, thereby cooling LED substrate 25.
Therefore, in the lighting device 740 of the 7th embodiment, between pair of LEDs substrate 25, be formed with air flow circuit.
Thus, in the lighting device 740 of the 7th embodiment, can cool off the characteristic that pair of LEDs substrate 25 is guaranteed LED illuminating part 12.
(the 8th embodiment)
Then, the lighting device to the 8th embodiment of the present invention describes.
As Figure 13, shown in Figure 14, the lighting device 850 of the 8th embodiment of the present invention possesses two pairs of LED illuminating parts 12 and two pairs of reflecting plates 13, and each LED illuminating part 12 is separately installed with each LED substrate 25 on four faces that form the middle plate of dimetric barrel shape (tube portion) 851.Therefore, the hollow space at middle plate 851 is provided with space 852.
The space 852 of the middle plate 851 of such lighting device 850 by having fixed LED substrate 25 has formed the air flow circuit of circulation around reflecting plate 13.Therefore, be accompanied by the luminous of led chip 26 and the heat of the LED substrate 25 of heating by space 852 and convection current, thereby cooling LED substrate 25.
Therefore, in the lighting device 850 of the 8th embodiment, between two pairs of LED substrates 25, be formed with air flow circuit.
Thus, in the lighting device 50 of the 3rd embodiment, thereby can cool off the characteristic that two pairs of LED substrates 25 ensure LED illuminating part 12.
(the 9th embodiment)
Then, the lighting device to the 9th embodiment of the present invention describes.
As shown in figure 15, the lighting device 960 of the 9th embodiment of the present invention possesses two pairs of LED illuminating parts 12 and two pairs of reflecting plates 13, and each LED illuminating part 12 is separately installed with each LED substrate 25 on four faces that form the middle plate of dimetric barrel shape (tube portion) 961.Therefore, be provided with space 962 in the hollow space of middle plate 961.Middle plate 961 utilizes top board 964 closed upper end portions via opening 963.
The space 962 of the middle plate 961 of such lighting device 960 by being fixed with LED substrate 25 has formed the air flow circuit of circulation around reflecting plate 13.Therefore, be accompanied by the luminous of led chip 26 and the heat of LED substrate 25 962 convection current of heating by opening 963 from the space, thus cooling LED substrate 25.
Therefore, in the lighting device 960 of the 9th embodiment, between two pairs of LED substrates 25, be formed with air flow circuit.
Thus, in the lighting device 960 of the 9th embodiment, can cool off the characteristic that two pairs of LED substrates 25 ensure LED illuminating part 12.
(the 10th embodiment)
Then, the lighting device to the 10th embodiment of the present invention describes.In addition, in the 10th following embodiment, at identical inscape on the inscape that repeats with above-mentioned the 1st embodiment, the function, additional identical in the drawings Reference numeral or suitable Reference numeral, thereby schematic illustration or omit explanation.
As shown in figure 16, in the mode of the big side of the radius of curvature of primary optical axis in the parabola of the reflecting surface 17 of reflecting plate 13, LED substrate 25 tilts, LED illuminating part 12 outstanding being installed on the casing 11.Led chip 26 is installed on the LED substrate.
Be built-in with the not shown power subsystem that is electrically connected with outside source power supply in such lighting device 1010, by providing DC current to the printed circuit that LED substrate 25 is had, thereby make led chip 26 luminous from power subsystem.From the light of led chip 26 be reflected plate 13 reflecting surface 17 reflections and become the directional light that has passed through light-passing board 15, and be radiated on the illuminated object.At this moment, because LED substrate 25 tilts so that the big side of the radius of curvature of primary optical axis in the parabola of the reflecting surface 17 of reflecting plate 13, therefore can be towards reflecting surface 17 from the light of the big sidepiece of essential factor in the light of led chip 26, that produce dazzle.
Therefore, in the lighting device 1010 of the 10th embodiment, LED substrate 25 tilts, so that the big side of the radius of curvature of primary optical axis in the parabola of the reflecting surface 17 of reflecting plate 13.
Thus, in the lighting device 1010 of the 10th embodiment, owing to can therefore can not realize the dazzle removal reliably towards reflecting surface 17 from the light of the big sidepiece of essential factor in the light of led chip 26, that produce dazzle.
In addition, in the lighting device 1010 of the 10th embodiment, reflecting plate 13 has reflecting surface 17, and this reflecting surface 17 has parabola.
Thus, in the lighting device 1010 of the 10th embodiment, can use the uncontrollable part of light directive property effectively, improve optical efficiency by led chip 26.
(the 11st embodiment)
Then, the lighting device to the 11st embodiment of the present invention describes.In addition, in the 11st following embodiment, at identical inscape on the inscape that repeats with above-mentioned the 1st embodiment, the function, additional identical in the drawings Reference numeral or suitable Reference numeral, thereby schematic illustration or omit explanation.
As shown in figure 17, in the lighting device 1140 of the 11st embodiment of the present invention, the LED substrate 25 of LED illuminating part 12 is mounted obliquely within the top position that is lower than casing 11 in the mode of not covering the light after the face of being reflected 17 reflects, so that the big side of the radius of curvature of primary optical axis in the parabola of the reflecting surface 17 of reflecting plate 13.
Therefore, in the lighting device 1140 of the 11st embodiment, the light after face 17 reflections that are reflected can not shine LED substrate 25.
Thus, in the lighting device 1140 of the 11st embodiment, therefore the light owing to not covering after the face of being reflected 17 reflects can take out light efficiently.
In addition, employed casing, LED illuminating part, lid etc. are not limited only to illustrative member in each embodiment, and can carry out suitable change.
In addition, the present invention is not only applicable to from the below to face upward the lighting device of penetrating usefulness to what building threw light on, also go for from the top downwards shooting downward of throwing light on of building used lighting device, building is carried out the lighting device that the spot light of spot light uses also can be suitable for, also go for the illumination beyond the building.
(the 12nd embodiment)
Below, describe with reference to the ligthing paraphernalia of accompanying drawing the 12nd embodiment of the present invention.
As Figure 18, Figure 19, shown in Figure 20, be installed on the carriage 117 as the ligthing paraphernalia 110 of the 12nd embodiment of the present invention, possess: appliance body 111; Light fixture 112, the LED unit 115 that 4 row are made of a plurality of LED113 and single reflecting plate 114 about possessing; And power supply controll block 116.
Appliance body 111 carries out drawing by the aluminium die casting making sheet parts to thin thickness, thus form comprise header board 118, back plate 119, pair of side plates 120, base plate 121, the upper end has the box shape of peristome 122.Central portion at header board 118 has light fixture peristome 123, and light fixture is equipped with lampshade (globe) 125 with the lampshade fixture 124 by stainless steel on the peristome 123.Lampshade 125 is transparent hard glass systems, has the roughly section configuration of コ word shape, and the full week of rearward end is supported on the header board 118 by lampshade fixture 124.The piece shell 126 of aluminum is installed on the base plate 121, has accommodated power supply controll block 116 in the piece shell 126.Power supply controll block 116 has DC power supply circuit, RGB control circuits such as phase inverter, is electrically connected with not shown external power source, and is electrically connected respectively with a plurality of LED113.Screw thread is fixed with the base station 127 of angle (angle) shape of stainless steel on the base plate 121, and base station 127 is installed on the carriage 117.The pair of side plates 120 of appliance body 111 is connected with a plurality of pipe arrangements 129 of having accommodated a plurality of utensil distributions 128 with back plate 119.Screw thread has been fixed the cover 130 of aluminium die casting system on the peristome 122.LED unit 115 is arranged in the rear of lampshade 125 up and down by not shown support part 4 row.
As Figure 21, Figure 22, shown in Figure 23, on reflecting plate 114, groove (Gutter) shape, its section configuration is that parabola and the reflecting surface 131 that passes through the minute surface that aluminium-vapour deposition forms form on the length direction of LED unit base station 132 continuously.The base portion 133 of reflecting plate 114 is fixed on the LED unit base station 132 by screw thread by screw 134.On a plurality of LED substrates 135 of arranging on the length direction of LED unit base station 132 a plurality of LED113 have been installed, these a plurality of LED113 distinguish assortment with predetermined spacing on the length direction of reflecting plate 114.A plurality of LED113 are configured in the parabolic focus position of reflecting surface 131, and optical axis is the parabola direction.LED substrate 135 disposes LED113 at central portion, and screw thread is fixed on the LED unit base station 132 by a plurality of screws 136.4 row LED unit 115 are arranged in mode parallel to each other with reflecting plate 114.Reflecting plate 114 has the extension 137 that forwards extends with tabular from reflecting surface 131, and the LED113 side of extension 137 has has implemented for example the 2nd reflecting surface 138 of white application.The 2nd reflecting surface 138 is configured to the light shaft positive cross with LED113.
As shown in figure 24, LED113 is the combination of R (red), G (green), B (indigo plant), uppermost the 1st row C1 in, from left to right-hand, press G, B, R, B, G, the order of B disposes the LED113 of B in the both sides of the LED113 of R, and disposes the LED113 of B in the both sides of the LED113 of G, in the 2nd row C2 of last several the 2nd row, to right-hand, press B from left, R, B, G, B, the order of R disposes the LED113 of B in the both sides of the LED113 of R, dispose the LED113 of B in the both sides of the LED113 of G.The 3rd row C3 of last several the 3rd row of LED113 is identical with the 1st row C1, and the 4th row C4 that goes up several the 4th row is identical with the 2nd row C2.Like this, LED113 has the RGB row of these 2 kinds of the 2nd class of the 1st class of the 1st row C1 and the 3rd row C3 and the 2nd row C2 and the 4th row C4, and 2 LED113 of reflecting plate 114 and 2 LED113 of adjacent reflecting plates 114 arrange in the mode of 1 R, 1 G, 2 B.
Then, the optical characteristics to ligthing paraphernalia 110 describes.As shown in figure 25, if LED113 is luminous by the DC current that provides from power supply controll block 116, then in each LED unit 115 of 4 row LED unit 115, from the light in the light of LED113 towards the reflecting surface 131 of reflecting plate 114 be reflected face 131 reflection backs by lampshade 125 towards the big light quantity of the place ahead irradiation.At this moment, because reflecting surface 131 is the parabola section, the light after reflecting surface 131 reflections of the plate 114 that is reflected is transformed to has long arrival distance and the reverberation with directive property.From in the light of LED113, mixed with light after the face of being reflected 131 reflects by the 2nd reflecting surface 138 reflection backs towards the light of the 2nd reflecting surface 138 of reflecting plate 114, forwards shine by lampshade 125.Thus, each R, G, the LED113 of B full-luminous (lighting a lamp entirely), thus produced uniform white light.In addition, can replace R, G, each LED113's of the LED113 of B is full-luminous, Yi Bian and adjust R, G, on one side each LED113 of B strong and weak that it is distinguished is luminous.
As shown in figure 26, LED113 has the wide-angle light-distribution performance in this horizontal plane, can send roughly same brightness in wide scope.
As shown in figure 27, LED113 has super narrow angle luminous intensity distribution performance a little up in this vertical plane, have the performance that the big more brightness in the elevation angle reduces more.
In the ligthing paraphernalia 110 of an embodiment of the invention,, be transformed to reverberation thus with long arrival distance from be reflected 131 reflections of the reflecting surface with parabola section of plate 114 of the light of LED113.
Therefore, elongated from the arrival distance of the light of LED113 in the ligthing paraphernalia 110 of an embodiment of the invention, can shine irradiation object at a distance reliably, can obtain good light projector characteristic.
In the ligthing paraphernalia 110 of an embodiment of the invention, from in the light of a plurality of LED113, towards face 131 reflections that are reflected of the light of the reflecting surface 131 of continuous groove shape, from being mixed with light after the face of being reflected 131 reflects by the 2nd reflecting surface 138 reflection backs in the light of a plurality of LED113 towards the light of the 2nd reflecting surface 138.
Therefore, in the ligthing paraphernalia 110 of an embodiment of the invention, can realize break-even irradiation from the light of a plurality of LED113.
In the ligthing paraphernalia 110 of an embodiment of the invention, a plurality of LED113 of configuration on each reflecting plate 114 of a plurality of reflecting plates 114 of arranging in parallel to each other, dispose the LED113 of B in the both sides of the LED113 of R, and dispose the LED113 of B in the both sides of the LED113 of G.
Therefore, in the ligthing paraphernalia 110 of an embodiment of the invention, at R, G when the whole LED113 of B is luminous, can produce uniform white light.
In addition, employed appliance body 111, power supply controll block 116, carriage 117 etc. are not limited only to illustrative member in an above-mentioned embodiment, can suitably change.
Claims (18)
1. lighting device is characterized in that possessing:
Reflecting surface has parabola;
The LED illuminating part is configured to primary optical axis towards above-mentioned reflecting surface; And
Face is removed in dazzle, cover from above-mentioned LED illuminating part irradiation, towards the light of the position of having departed from above-mentioned reflecting surface.
2. lighting device according to claim 1 is characterized in that,
By the roughly anti-dazzle spare of hat that the peripheral part at above-mentioned reflecting surface forms, form above-mentioned dazzle and remove face.
3. lighting device according to claim 1 is characterized in that,
By tabular shading piece, form above-mentioned dazzle and remove face from beginning near the edge part of above-mentioned reflecting surface to dispose abreast with respect to catoptrical direction of illumination.
4. lighting device according to claim 1 is characterized in that,
By being supported on the anti-dazzle spare of roughly semicircular cylinder shape above-mentioned LED illuminating part side, that have the axis that disposes abreast with respect to catoptrical direction of illumination, forming above-mentioned dazzle and remove face.
5. lighting device according to claim 3 is characterized in that also possessing:
Casing is used to accommodate above-mentioned reflecting surface, above-mentioned LED illuminating part and above-mentioned shading piece; And lid, have the light-passing board that seals above-mentioned casing,
Between above-mentioned shading piece and above-mentioned light-passing board, be provided with buffer unit.
6. lighting device according to claim 4 is characterized in that,
Above-mentioned anti-dazzle spare is towards catoptrical direction of illumination and the shape of hole enlargement,
And inner face is to have paraboloidal subreflector.
7. lighting device according to claim 1 is characterized in that,
By be supported on above-mentioned LED illuminating part side, make the light guide member that penetrates after the incident light internal reflection, form above-mentioned dazzle and remove face.
8. according to claim 2 or the described lighting device of claim 3, it is characterized in that,
Above-mentioned dazzle removal face is light absorbing color.
9. lighting device according to claim 1 is characterized in that,
Also possesses the adjustment part of adjusting the elevation angle of above-mentioned reflecting surface with respect to above-mentioned LED illuminating part.
10. lighting device according to claim 9 is characterized in that,
Have near the edge part of above-mentioned reflecting surface the beginning with respect to catoptrical direction of illumination tabular shading piece that dispose abreast, that block dazzle,
Above-mentioned adjustment part can be adjusted above-mentioned reflecting surface and above-mentioned shading piece integratedly.
11. lighting device according to claim 1 is characterized in that,
Possesses the stream that forms along the back side of the substrate of above-mentioned LED illuminating part.
12. lighting device according to claim 11 is characterized in that,
Above-mentioned LED illuminating part has a plurality of,
Between the substrate of above-mentioned each LED illuminating part, be provided with the space.
13. lighting device according to claim 11 is characterized in that,
Above-mentioned LED illuminating part has more than 3,
The base plate supports of above-mentioned each LED illuminating part is in polygonal portion.
14. lighting device according to claim 1 is characterized in that,
The through hole that possesses an opposite side that is arranged on above-mentioned reflecting surface with illumination direction.
15. lighting device according to claim 14 is characterized in that,
The power line that is arranged in above-mentioned LED illuminating part is inserted logical above-mentioned through hole.
16. according to claim 14 or the described lighting device of claim 15, it is characterized in that,
Be formed with above-mentioned through hole, so that the light that becomes the composition of form and aspect inequality from having of above-mentioned LED light from light source is not reflected.
17. lighting device according to claim 1 is characterized in that,
Above-mentioned LED illuminating part is configured to the big side of the radius of curvature of above-mentioned primary optical axis in above-mentioned parabola.
18. lighting device according to claim 1 is characterized in that,
Above-mentioned LED illuminating part is arranged on the position of not covering by the light after the above-mentioned reflecting surface reflection.
Applications Claiming Priority (12)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP002215/2010 | 2010-01-07 | ||
| JP2010002215A JP5537161B2 (en) | 2010-01-07 | 2010-01-07 | lighting equipment |
| JP042355/2010 | 2010-02-26 | ||
| JP2010042355A JP5590656B2 (en) | 2010-02-26 | 2010-02-26 | Lighting device |
| JP2010042356A JP5590657B2 (en) | 2010-02-26 | 2010-02-26 | Lighting device |
| JP042357/2010 | 2010-02-26 | ||
| JP042358/2010 | 2010-02-26 | ||
| JP2010042357A JP5590658B2 (en) | 2010-02-26 | 2010-02-26 | Lighting device |
| JP2010042358A JP2011181243A (en) | 2010-02-26 | 2010-02-26 | Lighting apparatus |
| JP042354/2010 | 2010-02-26 | ||
| JP042356/2010 | 2010-02-26 | ||
| JP2010042354 | 2010-02-26 |
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| Publication Number | Publication Date |
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| CN102168814A true CN102168814A (en) | 2011-08-31 |
| CN102168814B CN102168814B (en) | 2016-02-03 |
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| CN201110005719.0A Expired - Fee Related CN102168814B (en) | 2010-01-07 | 2011-01-07 | Lighting device |
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| CN105209822A (en) * | 2013-05-13 | 2015-12-30 | 株式会社小糸制作所 | Lamp for vehicles |
| CN112113177A (en) * | 2020-09-15 | 2020-12-22 | 衡阳泰豪通信车辆有限公司 | Multifunctional reflector device for shelter |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US10145526B2 (en) | 2016-07-26 | 2018-12-04 | Harvatek Corporation | Headlamp module |
| TWI613394B (en) * | 2016-10-24 | 2018-02-01 | 宏齊科技股份有限公司 | Headlamp module |
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| CN102168814B (en) | 2016-02-03 |
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