CN102734747A - A road lamp - Google Patents
A road lamp Download PDFInfo
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- CN102734747A CN102734747A CN2011100808397A CN201110080839A CN102734747A CN 102734747 A CN102734747 A CN 102734747A CN 2011100808397 A CN2011100808397 A CN 2011100808397A CN 201110080839 A CN201110080839 A CN 201110080839A CN 102734747 A CN102734747 A CN 102734747A
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- road lamp
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- luminous intensity
- light
- ladder plate
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/72—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps in street lighting
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- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The invention relates to a road lamp, comprising a reflector and a light source, wherein the reflector includes a long light distribution part for finishing light distribution at an irradiation angle of 120 to 130 DEG in a lengthwise direction and a wide light distribution part for finishing light distribution at an irradiation angle of 55 to 65 DEG in a widthwise direction. The long light distribution part includes a first isosceles trapezoid plate and a second isosceles trapezoid plate with top edges of the two plates overlapping each other, wherein the first isosceles trapezoid plate and the second trapezoid plate form an angle of 120 DEG to 150 DEG. The wide light distribution part includes a first triangular plate and a second triangular plate respectively arranged between intervals of the two waist side edges of the first isosceles trapezoid plate and the second isosceles trapezoid plate, with the first triangular plate and the second triangular plate forming an angle of 90 to 100 DEG . The light source is arranged in the reflector and near the top edges of the first isosceles trapezoid plate and the second isosceles trapezoid plate. The reflector in the road lamp has a batwing-shaped light distribution curve and large-angle light distribution in the lengthwise direction can lower light loss and enable full utilization of light form the light source.
Description
Technical field
The present invention relates to lighting technical field, more particularly, relate to a kind of road lamp.
Background technology
During periphery sides circle safety, need the bearing of trend of outer fence be thrown light on a large scale the general at present light requirement of adopting common Projecting Lamp to satisfy monitoring environment in the monitoring equipment field.But common Projecting Lamp range of exposures in the longitudinal direction is wide inadequately, and therefore its illumination zone on width can cause a large amount of energy wastes then greater than enclosing boundary's needed scope of throwing light on, and can cause ambient light contamination simultaneously.And common Projecting Lamp does not require on color developing, generally can't satisfy the requirement that boundary's monitoring camera is enclosed on the airport.
Another kind of implementation is directly to adopt infrared photography, but the picture of infrared photography is monochromatic, can not catch details, therefore do not reach desirable monitoring effect, and the infrared photography cost is higher, is not suitable for large-scale monitoring.
Summary of the invention
The technical problem that the present invention will solve is that the above-mentioned defective to prior art provides a kind of road lamp.
The technical solution adopted for the present invention to solve the technical problems is:
Construct a kind of road lamp, comprise reflector and light source, wherein, said reflector comprises the long luminous intensity distribution portion that is used to accomplish 120 °～130 ° of irradiating angle luminous intensity distributions on the length direction and the wide luminous intensity distribution portion that is used to accomplish 55 °～65 ° of irradiating angle luminous intensity distributions on the width;
Said long luminous intensity distribution portion comprises first equicrural ladder plate and second equicrural ladder plate that the base overlaps, and plane, said first equicrural ladder plate place is 120 °～150 ° with first angle that said second equicrural ladder plate belongs between the plane;
Said wide luminous intensity distribution portion comprises first set square and second set square that connects said first equicrural ladder plate and said second equicrural ladder plate respectively, and second angle between said first set square plane, place and the plane, said second set square place is 90 °～100 °;
Said light source is arranged on the interior place, last base near said first equicrural ladder plate and said second equicrural ladder plate of said reflector.
Road lamp of the present invention, wherein, said reflector comprises that one is convenient to the opening that light penetrates, said opening part is tiltedly installed with a plurality of reflecting strips that are used for even light.
Road lamp of the present invention, wherein, a plurality of said reflecting strips are provided with along the last base that is parallel to said first equicrural ladder plate and said second equicrural ladder plate.
Road lamp of the present invention, wherein, the 3rd angle between the vertical line on said reflecting strips plane, place and plane, said opening place is 60 °～80 °.
Road lamp of the present invention, wherein, said reflecting strips one end is connected on the said first set square edge, and the other end is connected on the said second set square edge.
Road lamp of the present invention, wherein, said the 3rd angle is 75 °.
Road lamp of the present invention, wherein, spacing is 20～30mm between a plurality of said reflecting strips.
Road lamp of the present invention, wherein, said reflecting strips width is 50～60mm.
Road lamp of the present invention, wherein, said light source is a Metal halogen lamp.
Road lamp of the present invention, wherein, said light source is LED.
Beneficial effect of the present invention is: be combined to form the long luminous intensity distribution portion and the wide luminous intensity distribution portion of reflector through adopting two equicrural ladder plates and two triangle plate; Be respectively applied for and accomplish on the length direction 55 °～65 ° irradiating angle luminous intensity distributions on 120 °～130 ° irradiating angle luminous intensity distributions and the width; It is wing to make that the reflector distribution curve flux is bat, forms the length direction wide-angle and covers illumination, makes projected spot rectangular; Can reduce the loss of light to a great extent, the light that light source is sent is fully used.
Description of drawings
To combine accompanying drawing and embodiment that the present invention is described further below, in the accompanying drawing:
Fig. 1 is the road lamp upward view of preferred embodiment of the present invention;
Fig. 2 is the road lamp side view of preferred embodiment of the present invention;
Fig. 3 is the road lamp front view one of preferred embodiment of the present invention;
Fig. 4 is the road lamp front view two of preferred embodiment of the present invention;
Fig. 5 is a light path sketch map on the road lamp length direction of preferred embodiment of the present invention;
Fig. 6 is a light path sketch map on the road lamp width of preferred embodiment of the present invention;
Fig. 7 is the road lamp illuminance of ground figure of preferred embodiment of the present invention;
Fig. 8 is road lamp and the single light source light of the preferred embodiment of the present invention contrast sketch map that distributes by force.
The specific embodiment
The road lamp structure of preferred embodiment of the present invention is as shown in Figure 1, consults Fig. 2, Fig. 3 and Fig. 4 simultaneously, and this road lamp comprises reflector 10 and light source 20.Wherein, reflector 10 comprises the long luminous intensity distribution portion 11 that is used to accomplish 120 °～130 ° of irradiating angle luminous intensity distributions on the length direction and the wide luminous intensity distribution portion 12 that is used to accomplish 55 °～65 ° of irradiating angle luminous intensity distributions on the width.Long luminous intensity distribution portion 11 comprises first equicrural ladder plate 111 and second equicrural ladder plate 112 that base 1111 overlaps; The summit that wide luminous intensity distribution portion 12 comprises first set square 121 that connects first equicrural ladder plate 111 and second equicrural ladder plate, 112 both sides waists respectively and second set square, 122, the first set squares 121 and second set square 122 is respectively on two end points on base 1111 in the long luminous intensity distribution portion 11.The first angle a between the first equicrural ladder plate plane, 111 place and the plane, second equicrural ladder plate, 112 place is 120 °～150 °, and the second angle b between the first set square plane, 121 place and the plane, second set square, 122 place is 90 °～100 °.Light source 20 is arranged in the reflector 10 near 1111 places, last base of first equicrural ladder plate 111 and second equicrural ladder plate 112, and long luminous intensity distribution portion 11 and wide luminous intensity distribution portion 12 be the reflectors 10 that seal of formation one end opening one ends jointly.
As shown in Figure 5; The light that sends from light source 20 is after 11 reflections of above-mentioned long luminous intensity distribution portion; On length direction, launch; Because constituting first equicrural ladder plate 111 of long luminous intensity distribution portion 11 is 120 °～150 ° with the first angle a between second equicrural ladder plate 112, angular range is bigger, so can guarantee that light wide-angle from the length direction launches; As shown in Figure 6, because first set square 121 of the wide luminous intensity distribution of formation portion 12 and the second angle b between second set square 122 are 90 °～100 °, angular range is less, can limit the shooting angle of light on width.
Can find out that from the surface of intensity distribution shown in Figure 8 the light intensity e corresponding with single light source distributes and compare, and obviously prolonged in the longitudinal direction via the light intensity d behind reflector 20 luminous intensity distributions of present embodiment, form the length direction wide-angle and cover illumination; As shown in Figure 6, wide luminous intensity distribution portion 22 can limit the irradiating angle of emergent ray as far as possible, makes that institute's hot spot shown in Figure 7 that forms is rectangular, and it is wing that distribution curve flux is bat, and form the length direction wide-angle and cover illumination, with the raising light utilization efficiency, the minimizing ambient light contamination.
Preferably, in the foregoing description, like Fig. 3, Fig. 4, Fig. 5 and shown in Figure 6, reflector comprises that one is convenient to the opening 13 that light penetrates, and is tiltedly installed with a plurality of reflecting strips 30 at these opening 13 places, and this reflecting strips 30 can reach and make the uniform purpose of light.A light part of sending from light source 20 by the opening 13 places outgoing of reflector 10, is carried out the wide-angle luminous intensity distribution again behind reflector 10 luminous intensity distributions; Another part then without reflector 10 reflections, directly penetrates from opening 13, carries out the center light filling.Because therefore light reflection device 10 reflections of directly outgoing exist central ray to cross the phenomenon of strong and dazzle.And after adopting above-mentioned reflecting strips 30, the light path of the light of direct ejaculation is changed, thus can avoid local mistake of emergent ray to cause the uneven problem of hot spot by force, can make that emergent ray is more even.In the present embodiment,, therefore can not shut out the light simultaneously, can also prevent dazzle because reflecting strips 30 is to be obliquely installed.
Because the road lamp of the foregoing description is mainly used in wide-angle illumination on the length direction, main luminous intensity distribution is by 11 completion of long luminous intensity distribution portion.More preferably, like Fig. 1, Fig. 2 and shown in Figure 5,1111 settings of above-mentioned a plurality of reflecting strips 30 along the last base that is parallel to first equicrural ladder plate 111 and second equicrural ladder plate 112.Can guarantee like this to carry out luminous intensity distribution along its length by the light of reflecting strips 30 reflection, can replenish optical illumination that irradiation reflected by long luminous intensity distribution portion 11 less than the center, further reach and make the uniform purpose of light.
Among above-mentioned each embodiment; As shown in Figure 3; If the 3rd angle c between the vertical line on reflecting strips plane, 30 place and plane, opening 13 place is too small, then can reach the effect that makes the evenly even light of light and prevent dazzle, if the 3rd angle c between the vertical line on reflecting strips plane, 30 place and plane, opening 13 place is excessive; Then can block central ray, influence illuminating effect.Prove through repetition test,, be preferably 75 ° of light that make that reach the best and evenly reach antiglare effect, and can not shut out the light when above-mentioned the 3rd angle c is 60 °～80 °.
Further, as shown in Figure 3, the reflecting strips 30 of varying number can be set at opening 13 places of reflector 10, each reflecting strips 30 1 end is connected on first set square, 121 edges, and the other end is connected on second set square, 122 edges.And spacing is preferably 20～30mm between a plurality of reflecting strips 30, and the width of reflecting strips 30 is preferably 50～60mm, better makes light evenly reach antiglare effect to reach.And a plurality of reflecting strips 30 can be symmetrical set, so that emergent ray is evenly distributed.
Among above-mentioned each embodiment, light source is Metal halogen lamp or LED, can select according to the actual design target requirement.For example, design requirement is following: lamp installation height: 5m; Illumination target is: interval 20m, the airport outer fence security monitoring that scope 6m is wide; The illumination requirement illuminance of ground is not less than 1Lx; Require high-color rendering.Then optional both-end Metal halogen lamp with power 100W; Source efficiency is 15.5Lm/W, colour rendering index 100; Life-span 2000hr.Calculate simultaneously the concrete structure of reflector 10 again; First equicrural ladder plate 111 of the long luminous intensity distribution of design formation portion 11 and first angle between second equicrural ladder plate 112 are 144.5 °; Constituting first set square 121 of wide luminous intensity distribution portion 12 and second angle between second set square 122 is 97.7 °; The 3rd angle c of reflecting strips plane, 30 place and vertical direction is 75 °, and adjacent reflecting strips 30 spacings are 25mm.Adopt this reflector 10 resulting illuminance of ground figure as shown in Figure 7.
To sum up; The present invention is through the long luminous intensity distribution portion 11 that adopts two equicrural ladder plates and two triangle plate and be combined to form reflector 10 and wide luminous intensity distribution portion 12, is respectively applied for to accomplish on the length direction 55 °～65 ° irradiating angle luminous intensity distributions on 120 °～130 ° irradiating angle luminous intensity distributions and the width, and it is wing to make that reflector 10 distribution curve fluxs are bat; Form the length direction wide-angle and cover illumination; Make projected spot rectangular, can reduce the loss of light to a great extent, the light that light source is sent is fully used.
In addition, illumination is even in effective irradiation area, does not have bad dazzle; Unglazed contamination phenomenon can be widely used in the airport and enclose boundary's monitoring, illumination, also can be used for road lighting, tunnel illumination, advertising lighting of wide-angle luminous intensity distribution in the longitudinal direction etc.; Be a kind of green, energy-conservation, the product of environmental protection.
Should be understood that, concerning those of ordinary skills, can improve or conversion, and all these improvement and conversion all should belong to the protection domain of accompanying claims of the present invention according to above-mentioned explanation.
Claims (10)
1. road lamp; Comprise reflector (10) and light source (20); It is characterized in that said reflector (10) comprises long luminous intensity distribution portion (11) that is used to accomplish 120 °～130 ° of irradiating angle luminous intensity distributions on the length direction and the wide luminous intensity distribution portion (12) that is used to accomplish 55 °～65 ° of irradiating angle luminous intensity distributions on the width;
Said long luminous intensity distribution portion (11) comprises first equicrural ladder plate (111) and second equicrural ladder plate (112) that base (1111) overlaps, and first angle (a) between said first equicrural ladder plate (111) plane, place and the plane, said second equicrural ladder plate (112) place is 120 °～150 °;
Said wide luminous intensity distribution portion (12) comprises first set square (121) and second set square (122) that connects said first equicrural ladder plate (111) and said second equicrural ladder plate (112) respectively, and second angle (b) between said first set square (121) plane, place and the plane, said second set square (122) place is 90 °～100 °;
Said light source (20) is arranged in the said reflector (10) and locates near the last base (1111) of said first equicrural ladder plate (111) and said second equicrural ladder plate (112).
2. road lamp according to claim 1 is characterized in that, said reflector comprises that one is convenient to the opening (13) that light penetrates, and said opening (13) locates to be tiltedly installed with a plurality of reflecting strips (30) that are used for even light.
3. road lamp according to claim 2 is characterized in that, a plurality of said reflecting strips (30) are provided with along the last base (1111) that is parallel to said first equicrural ladder plate (111) and said second equicrural ladder plate (112).
4. road lamp according to claim 2 is characterized in that, the 3rd angle (c) between the vertical line on said reflecting strips (30) plane, place and plane, said opening (13) place is 60 °～80 °.
5. road lamp according to claim 2 is characterized in that, said reflecting strips one end is connected on said first set square (121) edge, and the other end is connected on said second set square (122) edge.
6. road lamp according to claim 2 is characterized in that, said the 3rd angle (c) is 75 °.
7. road lamp according to claim 2 is characterized in that, spacing is 20～30mm between a plurality of said reflecting strips (30).
8. road lamp according to claim 2 is characterized in that, said reflecting strips (30) width is 50～60mm.
9. road lamp according to claim 1 is characterized in that, said light source (20) is a Metal halogen lamp.
10. road lamp according to claim 1 is characterized in that, said light source (20) is LED.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100808397A CN102734747A (en) | 2011-03-31 | 2011-03-31 | A road lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100808397A CN102734747A (en) | 2011-03-31 | 2011-03-31 | A road lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102734747A true CN102734747A (en) | 2012-10-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011100808397A Pending CN102734747A (en) | 2011-03-31 | 2011-03-31 | A road lamp |
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| CN (1) | CN102734747A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104075181A (en) * | 2013-03-29 | 2014-10-01 | 海洋王（东莞）照明科技有限公司 | Street lamp and method for mounting same |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070285928A1 (en) * | 2006-06-08 | 2007-12-13 | Casio Computer Co., Ltd. | Light source unit and projector utilizing the light source unit |
| CN101440932A (en) * | 2008-10-17 | 2009-05-27 | 南京松日科技有限公司 | High-power LED street light fitting |
| CN201348224Y (en) * | 2009-01-14 | 2009-11-18 | 东莞市宝利节能有限公司 | Energy-saving lamp panel |
| CN101825259A (en) * | 2010-03-02 | 2010-09-08 | 海洋王照明科技股份有限公司 | Reflector cup and LED lamp |
-
2011
- 2011-03-31 CN CN2011100808397A patent/CN102734747A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070285928A1 (en) * | 2006-06-08 | 2007-12-13 | Casio Computer Co., Ltd. | Light source unit and projector utilizing the light source unit |
| CN101440932A (en) * | 2008-10-17 | 2009-05-27 | 南京松日科技有限公司 | High-power LED street light fitting |
| CN201348224Y (en) * | 2009-01-14 | 2009-11-18 | 东莞市宝利节能有限公司 | Energy-saving lamp panel |
| CN101825259A (en) * | 2010-03-02 | 2010-09-08 | 海洋王照明科技股份有限公司 | Reflector cup and LED lamp |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104075181A (en) * | 2013-03-29 | 2014-10-01 | 海洋王（东莞）照明科技有限公司 | Street lamp and method for mounting same |
| CN104075181B (en) * | 2013-03-29 | 2016-08-03 | 海洋王（东莞）照明科技有限公司 | Street lamp and installation method thereof |
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Application publication date: 20121017 |