CN104214588A - Light projecting lamp with externally-arranged grid - Google Patents
Light projecting lamp with externally-arranged grid Download PDFInfo
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- CN104214588A CN104214588A CN201310208397.9A CN201310208397A CN104214588A CN 104214588 A CN104214588 A CN 104214588A CN 201310208397 A CN201310208397 A CN 201310208397A CN 104214588 A CN104214588 A CN 104214588A
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Abstract
The invention provides a light projecting lamp with an externally-arranged grid. The light projecting lamp with the externally-arranged grid comprises a lamp shell, a light source and the grid, wherein the grid comprises an outer shell and a light shielding unit. The outer shell is connected to the opening of the lamp shell, and the outer shell is matched with the opening in shape and size. The light shielding unit is located in the outer shell and connected to the outer shell. The light shielding unit comprises at least two first light shielding plates and at least two second light shielding plates. The first light shielding plates are connected with the second light shielding plates. The bottom of the outermost first light shielding plate and the bottom of the outermost second light shielding plate are both located on or below a connecting line between the light source and the top of the outer shell, and the bottom of each first light shielding plate and the bottom of each second light shielding plate are both located on or below the connecting line between the top of the adjacent outer first light shielding plate or the adjacent second light shielding plate and the light source. Any included angles formed between the connecting line between the top of the innermost first light shielding plate and the light source and the vertical center line of the light source are smaller than 25 degrees. Any included angles formed between the connecting line between the top of the innermost second light shielding plate and the light source and the vertical center line of the light source are smaller than 25 degrees.
Description
Technical field
The present invention relates to the luminous intensity distribution field of lighting, particularly, relate to a kind of floodlight with external grid.
Background technology
High-power light projector type light fixture is generally arranged on ground or lower, upwards irradiates, and for body of wall brightening, main to irradiate thing be building masonry wall.But because it is arranged on the ground or lower, lamp luminescence face and illuminator are all exposed in the visual range of pedestrian that Around Buildings passes through and driver, can shine into injury to human eye, while dazzle also can have influence on the driving of driver, can traffic accident be caused.Also have some light projector type light fixtures to use grid to make the soft not dazzling object of light to reach at present, but some built-in grids can affect light source heat radiation, reduce light source life, increase maintenance cost and maintenance cost.
Summary of the invention
For the problems of the prior art, the object of this invention is to provide a kind of floodlight with external grid.
According to an aspect of the present invention, provide a kind of floodlight with external grid, it comprises: lamp housing, and described lamp housing is semi-surrounding structure, and the top of described lamp housing is an opening, light source, described light source is positioned at described lamp housing, grid, described grid is positioned at the top of described lamp housing, and is connected with described opening, it is characterized in that, described grid comprises: shell, and described shell is connected to the opening part of described lamp housing, and its shape and size and described opening adapt, and the unit that is in the light, described in the unit that is in the light be positioned at described enclosure and be connected with described shell, the described unit that is in the light comprises: at least two pieces of first gear tabula rasas, and the two ends of described first gear tabula rasa are connected with described shell, at least two pieces of second gear tabula rasas, described second gear tabula rasa is connected with described first gear tabula rasa, and its two ends are connected with described shell, wherein, on the connecting line that the bottom being positioned at outermost first gear tabula rasa and second gear tabula rasa is all positioned at described light source and described cover top portion or be positioned at the below of connecting line of described light source and described cover top portion, be in the light in the stop of unit described in the light that described light source is launched is limited in, the bottom of first gear tabula rasa and second gear tabula rasa described in every block is all positioned on the first gear tabula rasa in the outside be adjacent or the top of second gear tabula rasa and the connecting line of light source or the below of connecting line, the first gear tabula rasa of inner side and the top of second gear tabula rasa and arbitrary angle of being formed between the connecting line of described light source and the vertical center line of described light source are less than 25 degree.
Preferably, described in the unit that is in the light comprise four pieces of first gear tabula rasas and six pieces of second gear tabula rasas, first gear tabula rasa described in every block is all connected with described shell with the two ends of described second gear tabula rasa.
Preferably, described in the unit that is in the light comprise two pieces of first gear tabula rasas and two pieces of second gear tabula rasas, first gear tabula rasa described in every block is all connected with described shell with the two ends of described second gear tabula rasa.
Preferably, described every block first gear tabula rasa is parallel to each other, and every block second gear tabula rasa is parallel to each other, first gear tabula rasa described in every block and all orthogonal between every block second gear tabula rasa, forms one or more groined type.
Preferably, the angle formed between the connecting line of described light source and described lamp housing top inner surface and the vertical center line of described light source is less than or equal to 65 degree.
Preferably, the opening of described lamp housing is any one in rectangle, square or circle.
Preferably, be weldingly connected between described first gear tabula rasa and described second gear tabula rasa.
Preferably, the two ends of described first gear tabula rasa and being between the two ends of second gear tabula rasa and described shell are weldingly connected.
Preferably, described shell is welded in the opening part of described lamp housing.
Preferably, described light source is LED.
The present invention is by providing a kind of floodlight with external grid, and the light of light fixture, by the anti-dazzle external grid of design, limits, makes high light line for body of wall brightening, and avoid the visual range of personnel or the driver passed by around light fixture by it.And building masonry wall mostly is plane, so hot spot is square, illumination in the plane could be more even, meets the requirement of body of wall brightening better.This light fixture is while the dazzle of solution light fixture, well complete body of wall brightening work, reduce the high-power light-projecting lamp being installed on ground or lower, avoid shining into vision injury (light source people distance 1 meter of as 2000 watts look at illuminator meeting blinding) or dazzle pollution to the pedestrian or driver that pass by it, the brightening illuminating effect of body of wall can be ensured again.
Accompanying drawing explanation
By reading the detailed description done non-limiting example with reference to the following drawings, other features, objects and advantages of the present invention will become more obvious:
Fig. 1 a illustrate according to the first embodiment of the present invention there is the floodlight of external grid face vertical section structure schematic diagram;
Fig. 1 b illustrate according to the first embodiment of the present invention there is the floodlight of external grid face longitudinal section concrete structure figure;
Fig. 2 a illustrates the side-looking vertical section structure schematic diagram with the floodlight of external grid according to the first embodiment of the present invention;
Fig. 2 b illustrates the side-looking longitudinal section concrete structure figure with the floodlight of external grid according to the first embodiment of the present invention;
Fig. 3 illustrates the top view with the floodlight of external grid according to the first embodiment of the present invention;
Fig. 4 illustrates the input design sketch of light source after grid according to the first embodiment of the present invention; And
Fig. 5 illustrates the input design sketch of light source after grid according to the first embodiment of the present invention.
Detailed description of the invention
Below in conjunction with drawings and Examples, technology contents of the present invention is described further:
Fig. 1 a show according to the first embodiment of the present invention there is the floodlight of external grid face vertical section structure schematic diagram.Particularly, the floodlight described in external grid comprises lamp housing 110, light source 120 and grid 130.Wherein, lamp housing 110 is in semi-surrounding structure, and the top of lamp housing 110 is an opening 111.Light source 120 is positioned at lamp housing 110, and light source 120 is preferably a LED.Grid 130 is positioned at the top of lamp housing 110, and is connected with the opening 111 of lamp housing 110.More specifically, grid 130 comprises: shell 131 and the unit that is in the light.Shell 131 is connected to opening 111 place of lamp housing 110.Preferably, shell 131 is weldingly connected with the opening 111 of lamp housing 110.Shell 131 size and opening 111 adapt.The described unit that is in the light is positioned at described enclosure and is connected with described shell.More specifically, the unit that is in the light described in comprises at least two pieces of first gear tabula rasas 132 and at least two pieces of second gear tabula rasa 133(see Fig. 2 a).Wherein, second gear tabula rasa 133 is connected with first gear tabula rasa 132.Preferably, be weldingly connected between first gear tabula rasa 132 and second gear tabula rasa 133.The two ends of first gear tabula rasa 132 and the two ends of second gear tabula rasa 133 are all connected with shell.Preferably, the two ends of first gear tabula rasa 132 and being also between the two ends of second gear tabula rasa 133 and shell 131 are weldingly connected.Further, the bottom being positioned at outermost first gear tabula rasa 132 and second gear tabula rasa 133 is all positioned on light source 120 and the connecting line at shell 131 top or is positioned at the below of light source 120 and the connecting line at shell 131 top, be in the light in the stop of unit described in the light that light source 120 is launched is limited in, the bottom of every block first gear tabula rasa 132 and second gear tabula rasa 133 is all positioned on the first gear tabula rasa 132 in the outside be adjacent or the top of second gear tabula rasa 133 and the connecting line of light source or the below of connecting line, the first gear tabula rasa 132 of inner side and the top of second gear tabula rasa 133 and arbitrary angle of being formed between the connecting line of light source 120 and the vertical center line of light source 120 are less than 25 degree.
More specifically, in the embodiment shown in Fig. 1 a, described in the unit that is in the light comprise four pieces of first gear tabula rasas 132 and six pieces of second gear tabula rasas 133.Fig. 1 a illustrate only four pieces of first gear tabula rasas 132.The two ends of every block first gear tabula rasa 132 are all connected with shell 131.More preferably, see Fig. 1 a, every block first gear tabula rasa 132 is parallel to each other.Wherein, the bottom being positioned at outermost two pieces of first gear tabula rasas 132 is positioned at light source 120 and (Fig. 1 a dotted line illustrates) on the connecting line at shell 131 top, be positioned on the top of first gear tabula rasa 132 that is positioned at the outside be adjacent, bottom of the two pieces of first gear tabula rasas 132 in inner side and the connecting line of light source (Fig. 1 a dotted line illustrates), and the arbitrary angle formed between the vertical center line (Fig. 1 a dotted line illustrates) of the connecting line of the top of two of inner side pieces of first gear tabula rasas 132 and light source 120 (Fig. 1 a dotted line illustrates) and light source 120 is less than 25 degree.
Further, in some change case, the quantity of first gear tabula rasa 132 can change.Such as in a change case, described in the unit that is in the light can comprise two pieces of first gear tabula rasas.In another change case, described in the unit that is in the light can comprise three pieces of first gear tabula rasas.Or in another change case, described in the unit that is in the light can comprise six pieces of first gear tabula rasas.Further, preferably, see Fig. 1 a, polylith first gear tabula rasa 132 is symmetrical between two along the center line of shell 131 sidewall.And in other change case, also can not be symmetrical along the center line of shell 131 sidewall between polylith first gear tabula rasa 132, such as, in a change case, the described unit that is in the light can comprise three pieces of first gear tabula rasas, wherein, the left side of the center line of shell 131 sidewall is provided with one piece of first gear tabula rasa 132, and the right side of the center line of shell 131 sidewall is provided with two pieces of first gear tabula rasas 132.Again such as, in another change case, described in the unit that is in the light can comprise five pieces of first gear tabula rasas, wherein, the left side of the center line of shell 131 sidewall is provided with two pieces of first gear tabula rasas 132, and the right side of the center line of shell 131 sidewall is provided with three pieces of first gear tabula rasas 132.Those skilled in the art understand, in above-mentioned change case, the bottom being positioned at outermost first gear tabula rasa 132 is all positioned on light source 120 and the connecting line of shell 131 or the below of connecting line, the bottom of every block first gear tabula rasa 132 is all positioned on the top of the first gear tabula rasa 132 in the outside be adjacent and the connecting line of light source 120 or the below of connecting line, and the top of first gear tabula rasa 132 of inner side and arbitrary angle of being formed between the connecting line of light source 120 and the vertical center line of light source 120 are less than 20 degree.By the constraint of described polylith first gear tabula rasa 132 light of light source 120 on this cross section is limited in the first gear tabula rasa 132 being positioned at inner side, thus whole grid 130 is reduced the angle of blocking that light source 120 emits beam on this cross section.These change case all can be achieved, and it will not go into details herein.
Further, in this embodiment, the shape of the opening 111 of lamp housing 110 is rectangle, and the shape of shell 131 is also rectangle.And in some change case, the shape of the opening 111 of lamp housing 110 also can be square or circular, and correspondingly, the shape of shell 131 and opening 111 also can be consistently squares or circular.Those skilled in the art understand these change case and all can be achieved, and it will not go into details herein.
Further, it will be appreciated by those skilled in the art that, because shell 131 is connected with the opening 110 of lamp housing 110, therefore, the light distributed of light source 120 all sends from the top of shell 131.And then the bottom being positioned at outermost two pieces of first gear tabula rasas 132 is positioned at light source 120 and (Fig. 1 a dotted line illustrates) on the connecting line at the top of shell 131.Therefore, the light sent from the top of shell 131 stop by outermost two pieces of first gear tabula rasas 132, be restricted to the top of outermost two pieces of first gear tabula rasas 132.Similarly, the bottom of two pieces of first gear tabula rasas 132 of the inner side adjacent with outermost two pieces of first gear tabula rasas 132 is positioned at light source 120 and (Fig. 1 a dotted line illustrates) on the connecting line at the top of outermost first gear tabula rasa 132, therefore, the light sent from the top of outermost two pieces of first gear tabula rasas 132 further stop by two pieces of first gear tabula rasas 132 of its adjacent inner side, similarly, after the light of light source 120 is repeatedly stopped, be restricted to the top of two pieces of first gear tabula rasas 132 of inner side.
Fig. 1 b show according to the first embodiment of the present invention there is the floodlight of external grid face longitudinal section concrete structure figure.Particularly, Fig. 1 b also show the emission angle between light source 120 and first gear tabula rasa 132 and shell 131 on the basis of Fig. 1 a.Its particular location relation can see above, and it will not go into details herein.
Fig. 2 a shows the side-looking vertical section structure schematic diagram with the floodlight of external grid according to the first embodiment of the present invention.Particularly, at the section shown in Fig. 2 a, described in the unit that is in the light comprise six pieces of second gear tabula rasas 133, with section shown in Fig. 1 a similarly, the two ends of every block second gear tabula rasa 133 are all connected with shell 131.More preferably, see Fig. 2 a, every block second gear tabula rasa 133 is parallel to each other.Wherein, the bottom being positioned at outermost two pieces of second gear tabula rasas 133 is positioned at light source 120 and (Fig. 2 a dotted line illustrates) on the connecting line at shell 131 top, the bottom being positioned at its two pieces of second gear tabula rasas 133 in adjacent inner side is positioned at (Fig. 2 a dotted line illustrates) on the top of outermost two pieces of second gear tabula rasas 133 and the connecting line of light source 120, the bottom of two pieces of second gear tabula rasas 133 of inner side is positioned at (Fig. 2 a dotted line illustrates) on the top of its two pieces of second gear tabula rasas 133 in adjacent outside and the connecting line of light source 120, and the top of two pieces of second gear tabula rasas 133 of inner side and arbitrary angle of being formed between the connecting line (Fig. 2 a dotted line illustrates) of light source 120 and the vertical center line (Fig. 2 a dotted line illustrates) of light source 120 are less than 25 degree.
Further, in some change case, in Fig. 2 a, the quantity of second gear tabula rasa 133 also can change.And preferably, preferably, see Fig. 2 a, the center line of polylith second gear tabula rasa 133 also along the sidewall of shell 131 is symmetrical between two.And in other change case, also can be asymmetric between polylith first gear tabula rasa 132.It will be appreciated by those skilled in the art that second gear tabula rasa 133 limits the mode of the light emission of light source 120 identical with the mode that first gear tabula rasa 132 in above-mentioned Fig. 1 a limits the light emission of light source 120, and these change case all can be achieved, it will not go into details herein.
Fig. 2 b shows the side-looking longitudinal section concrete structure figure with the floodlight of external grid according to the first embodiment of the present invention.Particularly, Fig. 2 b also show the emission angle between light source 120 and second gear tabula rasa 133 and shell 131 on the basis of Fig. 2 a.Its particular location relation can see above, and it will not go into details herein.
Fig. 3 shows the top view with the floodlight of external grid according to the first embodiment of the present invention.Particularly, see Fig. 3, described in the unit that is in the light comprise four pieces of first gear tabula rasas 132 and six pieces of second gear tabula rasas 133.In the preference shown in Fig. 3, all orthogonal between every block first gear tabula rasa 132 and every block second gear tabula rasa 133, form multiple groined type.
Further, in a change case, described in the unit that is in the light also can comprise two pieces of first gear tabula rasas 132 and two pieces of second gear tabula rasas 133.Preferably all orthogonal between two pieces of first gear tabula rasas 132 and two pieces of second gear tabula rasas 133, form a groined type.It will be appreciated by those skilled in the art that this change case can be achieved equally, it will not go into details herein.
Further, in conjunction with above-mentioned Fig. 1 a, Fig. 2 a and embodiment illustrated in fig. 3, preferably, the angle formed between the connecting line of opening 111 inner surface of light source 120 and lamp housing 110 and the vertical center line of light source 120 is less than or equal to 65 degree.As shown in Figure 1 b, in preference of the present invention, because shell 131 is connected with the opening 111 of lamp housing 110, therefore the light distributed of light source 120 all sends from the top of shell 131.Wherein, the angle formed between the connecting line of shell 131 top and light source 120 and the vertical center line of light source 120 is the visible light source angle of 50.97 ° ± 5 °, the angle formed between two pieces of outermost first gear tabula rasas 132 and the vertical center line of light source 120 is the visible light source angle of 50.97 ° ± 5 ° to 39.06 ° ± 5 °, the angle formed between two pieces of first gear tabula rasas 132 of inner side and the vertical center line of light source 120 is the visible light source angle of 39.06 ° ± 5 ° to 24.99 ° ± 5 °, therefore, on this cross section, the angle of blocking of grid 130 pairs of light sources 120 is decreased to about 50 °.And in figure 2b, because the opening 111 of lamp housing 110 is rectangle, the length and width of opening 111 are different, therefore, the angle formed between the connecting line of shell 131 top and light source 120 and the vertical center line of light source 120 is the visible light source angle of 39.99 ° ± 5 °, the angle that outermost two pieces of second gear tabula rasas 133 and light source 120 vertical center line are formed is the visible light source angle of 39.99 ° ± 5 ° to 30.96 ° ± 5 °, be positioned at the visible light source angle that angle that adjacent two pieces, the inner side second gear tabula rasa of outermost two pieces of second gear tabula rasas 133 133 and light source 120 vertical center line formed is 30.96 ° ± 5 ° to 20.38 ° ± 5 °, the angle that the two pieces of second gear tabula rasas 133 being positioned at inner side and light source 120 vertical center line are formed is the visible light source angle of 20.38 ° ± 5 ° to 12.99 ° ± 5 °, therefore, in this cross section, the angle of blocking of grid 130 pairs of light sources 120 is decreased to about 26 °.
Fig. 4 shows the input design sketch of light source after grid according to the first embodiment of the present invention.
Fig. 5 shows the input design sketch of light source after grid according to the first embodiment of the present invention.
Particularly, Fig. 4 and Fig. 5 uses the input design sketch after losing light.Described light fixture possesses two functions: the first, and make the people passed by from light fixture limit cannot see the illuminator of lamp light source, the second, light fixture bright dipping is applicable to the brightening of planar shaped body of wall.Therefore light barrier adopts planar design, and because light is by after parallel plane light barrier, luminous intensity distribution hot spot is square, is applicable to carrying out Uniform Illumination (as shown in Figure 4 and Figure 5) to body of wall.Former light fixture self is about 130 degree by the angle of blocking after lamp housing, namely the people of about height 1.7 meters just can see light source in the distance of distance light fixture about 3 meters, and by after increase grid, the angle of blocking of light fixture is reduced to about 40 degree, and namely the personnel of height 1.7 meters just can see light source in distance light fixture half meter.Because light fixture is warmmer, common people, closely near light fixture, have therefore carried out effective protection to pedestrian.
More further, those skilled in the art understand, the present invention is by providing a kind of floodlight with external grid, it is by the anti-dazzle external grid of design, the light of light fixture is limited, make high light line for body of wall brightening, and avoid the visual range of personnel or the driver passed by around light fixture.And building masonry wall mostly is plane, so hot spot is square, illumination in the plane could be more even, meets the requirement of body of wall brightening better.This light fixture is while the dazzle of solution light fixture, well complete body of wall brightening work, reduce the high-power light-projecting lamp being installed on ground or lower, avoid shining into vision injury (light source people distance 1 meter of as 2000 watts look at illuminator meeting blinding) or dazzle pollution to the pedestrian or driver that pass by it, the brightening illuminating effect of body of wall can be ensured again.
Above specific embodiments of the invention are described.It is to be appreciated that the present invention is not limited to above-mentioned particular implementation, those skilled in the art can make various distortion or amendment within the scope of the claims, and this does not affect flesh and blood of the present invention.
Claims (10)
1. have a floodlight for external grid, it comprises:
Lamp housing, described lamp housing is semi-surrounding structure, and the top of described lamp housing is an opening;
Light source, described light source is positioned at described lamp housing;
Grid, described grid is positioned at the top of described lamp housing, and is connected with described opening;
It is characterized in that, described grid comprises:
Shell, described shell is connected to the opening part of described lamp housing, and its shape and size and described opening adapt; And
Be in the light unit, described in the unit that is in the light be positioned at described enclosure and be connected with described shell;
The described unit that is in the light comprises:
At least two pieces of first gear tabula rasas, the two ends of described first gear tabula rasa are connected with described shell;
At least two pieces of second gear tabula rasas, described second gear tabula rasa is connected with described first gear tabula rasa, and its two ends are connected with described shell;
Wherein, on the connecting line that the bottom being positioned at outermost first gear tabula rasa and second gear tabula rasa is all positioned at described light source and described cover top portion or be positioned at the below of connecting line of described light source and described cover top portion, be in the light in the stop of unit described in the light that described light source is launched is limited in, the bottom of first gear tabula rasa and second gear tabula rasa described in every block is all positioned on the first gear tabula rasa in the outside be adjacent or the top of second gear tabula rasa and the connecting line of light source or the below of connecting line, the first gear tabula rasa of inner side and the top of second gear tabula rasa and arbitrary angle of being formed between the connecting line of described light source and the vertical center line of described light source are less than 25 degree.
2. the floodlight with external grid according to claim 1, it is characterized in that, the described unit that is in the light comprises four pieces of first gear tabula rasas and six pieces of second gear tabula rasas, and first gear tabula rasa described in every block is all connected with described shell with the two ends of described second gear tabula rasa.
3. the floodlight with external grid according to claim 1, it is characterized in that, the described unit that is in the light comprises two pieces of first gear tabula rasas and two pieces of second gear tabula rasas, and first gear tabula rasa described in every block is all connected with described shell with the two ends of described second gear tabula rasa.
4. the floodlight with external grid according to claim 1, it is characterized in that, described every block first gear tabula rasa is parallel to each other, and every block second gear tabula rasa is parallel to each other, first gear tabula rasa described in every block and all orthogonal between every block second gear tabula rasa, forms one or more groined type.
5. the floodlight with external grid according to claim 1, is characterized in that, the angle formed between the connecting line of described light source and described lamp housing top inner surface and the vertical center line of described light source is less than or equal to 65 degree.
6. the floodlight with external grid according to claim 1, is characterized in that, the opening of described lamp housing is any one in rectangle, square or circle.
7. the floodlight with external grid according to claim 1, is characterized in that, is weldingly connected between described first gear tabula rasa and described second gear tabula rasa.
8. the floodlight with external grid according to claim 1, is characterized in that, the two ends of described first gear tabula rasa and being between the two ends of second gear tabula rasa and described shell are weldingly connected.
9. the floodlight with external grid according to claim 1, is characterized in that, described shell is welded in the opening part of described lamp housing.
10. the floodlight with external grid according to claim 1, is characterized in that, described light source is LED.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310208397.9A CN104214588B (en) | 2013-05-29 | 2013-05-29 | A kind of floodlight with external grid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310208397.9A CN104214588B (en) | 2013-05-29 | 2013-05-29 | A kind of floodlight with external grid |
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| Publication Number | Publication Date |
|---|---|
| CN104214588A true CN104214588A (en) | 2014-12-17 |
| CN104214588B CN104214588B (en) | 2017-04-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310208397.9A Active CN104214588B (en) | 2013-05-29 | 2013-05-29 | A kind of floodlight with external grid |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113154338A (en) * | 2021-02-02 | 2021-07-23 | 宁波英泰克照明有限公司 | LED lamp panel with light barrier |
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| CN2214592Y (en) * | 1994-06-16 | 1995-12-06 | 上海曙光灯具厂 | Prism lamp set |
| JP2003068107A (en) * | 2001-08-29 | 2003-03-07 | Matsushita Electric Works Ltd | Louvered projector |
| CN200949775Y (en) * | 2006-09-07 | 2007-09-19 | 田温志 | High power cold light variable-focus reflection type spotlight |
| JP2009129751A (en) * | 2007-11-26 | 2009-06-11 | Panasonic Electric Works Co Ltd | Projector with built-in louver |
| CN102537704A (en) * | 2010-12-30 | 2012-07-04 | 海洋王照明科技股份有限公司 | Anti-glare lamp |
| WO2012136572A1 (en) * | 2011-04-05 | 2012-10-11 | Valitutti Pierfranco | Light source for testing a photovoltaic panel or cell |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2214592Y (en) * | 1994-06-16 | 1995-12-06 | 上海曙光灯具厂 | Prism lamp set |
| JP2003068107A (en) * | 2001-08-29 | 2003-03-07 | Matsushita Electric Works Ltd | Louvered projector |
| CN200949775Y (en) * | 2006-09-07 | 2007-09-19 | 田温志 | High power cold light variable-focus reflection type spotlight |
| JP2009129751A (en) * | 2007-11-26 | 2009-06-11 | Panasonic Electric Works Co Ltd | Projector with built-in louver |
| CN102537704A (en) * | 2010-12-30 | 2012-07-04 | 海洋王照明科技股份有限公司 | Anti-glare lamp |
| WO2012136572A1 (en) * | 2011-04-05 | 2012-10-11 | Valitutti Pierfranco | Light source for testing a photovoltaic panel or cell |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113154338A (en) * | 2021-02-02 | 2021-07-23 | 宁波英泰克照明有限公司 | LED lamp panel with light barrier |
| CN113154338B (en) * | 2021-02-02 | 2022-08-26 | 宁波英泰克照明有限公司 | LED lamp panel with light barrier |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104214588B (en) | 2017-04-05 |
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