CN102865535B - Street lamp illuminating road surface slantwise - Google Patents
Street lamp illuminating road surface slantwise Download PDFInfo
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- CN102865535B CN102865535B CN201210333631.6A CN201210333631A CN102865535B CN 102865535 B CN102865535 B CN 102865535B CN 201210333631 A CN201210333631 A CN 201210333631A CN 102865535 B CN102865535 B CN 102865535B
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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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Abstract
The invention discloses a street lamp illuminating a road surface slantwise. The street lamp comprises a plurality of street lamp units for illumination, wherein all outgoing beams of the street lamp units emit towards the specified traffic direction of the illuminated road surface; or most of the outgoing beams of the street lamp units emits towards the specified traffic direction of the illuminated road surface, the rest of the outgoing beams emits towards the direction opposite to specified traffic direction of the illuminated road surface, and the minimum acute angle formed by the outgoing beams emitting towards the direction opposite to specified traffic direction of the illuminated road surface and the road surface direction is larger than the maximum acute angle formed by the connecting line between each point of an upper edge of a front windshield of a vehicle and eyes of the driver of the vehicle, and the road surface direction. According to the street lamp disclosed by the invention, the occurrence of conditions of dazzling, glare, and the like happed to the driver is fundamentally avoided, thus the traffic safety is ensured.
Description
Technical field
The present invention relates to road lamp, particularly a kind ofly avoid that motor vehicle driver etc. is dazzling, the road lamp of dazzle.
Background technology
In existing road illumination, for increasing illumination zone simultaneously also in order to increase interval between road lamp, save cost, generally adopt the illumination scheme of wide-angle, high brightness, high lamp stand.But the object of road lighting is the situation making driver well see road surface ahead clearly, ensure driving at night safety and comfortable driving.Qualified road lighting must consider the vision requirement of driver, facilitates driver can obtain relevant Traffic Information rapidly, accurately.The illumination scheme of the light source outgoing wide-angle of existing most of road lamp, high brightness, high lamp stand easily makes the motor vehicle driver as main traffic participant produce " dazzle reaction " (to refer in the visual field owing to being not suitable for Luminance Distribution, or in space or exist extreme brightness contrast the time, so that cause the light sensation that vision is uncomfortable, human eye cannot adapt to), thus increase the risk that traffic accident occurs.
For solving street lamp dazzle, dazzling problem, selecting shielding angle to design and reflecting layer technology in prior art, reaching anti-dazzle effect, effectively can reduce the stimulation to operation, workmen's eyes, avoid generation not accommodate sense of fatigue.But this technology fails the problem that fundamentally solving road lamp is dazzling, along with the appearance of the phenomenon such as degeneration of reflecting layer, the problems such as dazzling, dazzle still there will be, and in this technology for avoiding dazzle, dazzling needs increase the materials such as extra coating and become relatively soft, not dazzling to make emergent light.In addition, select the illumination scheme of high lamp stand, the excessive use of lamp stand material (mainly steel) certainly will be caused and increase the difficulty of installing, safeguarding, resist the aspects such as high wind.
Summary of the invention
Technical problem to be solved by this invention is exactly the dazzle caused to the motor vehicle driver in driving conditions for existing street lamp, dazzling problem, propose a kind of road lamp of oblique illumination road surface, fundamentally avoid the generation of the situations such as driver is dazzling, dazzle, thus guarantee driving safety.
For solving the problems of the technologies described above, the present invention adopts following technical scheme: a kind of road lamp of oblique illumination road surface, comprises some illumination road lamp unit, it is characterized in that:
The vehicle heading outgoing that all outgoing beams of described road lamp unit specify to illuminated road;
Or the vehicle heading outgoing that most of outgoing beam of described road lamp unit specifies to illuminated road, remainder outgoing beam specifies the rightabout outgoing of travel direction towards road, wherein, specify towards road that minimum acute angle formed by the light beam of the rightabout outgoing of travel direction and road direction is greater than maximum acute angle formed by vehicle front windshield top edges each point and motor vehicle driver human eye line and road direction.
Adopt the road lamp on above-mentioned oblique illumination road surface, its outgoing beam irradiates road surface towards road regulation travel direction, and segment beam projecting direction and road specify that travel direction is contrary.When driver is when entering road lamp irradiation area along road driving direction, road lamp outgoing beam enters human eye along vehicle front windshield top edges, there is a maximum angle in the line of human eye and front windshield top edges each point and road direction, there is a minimum angles in the line and the road direction that irradiate the light beam of vehicle and each point of vehicle front windshield top edges, make this minimum angles be greater than above-mentioned maximum angle and then can ensure that light beam directly can not enter the eyes of people when vehicle front windshield top edges is irradiated, therefore the reactions such as the dazzle of people can not be caused, also make motor vehicle driver clearerly can observe front vehicles simultaneously, the situation of movement of pedestrian, when there is emergency case, motor vehicle driver can be noticed in time and make corresponding hedging action, thus reduce the incidence of traffic accident.
Preferably, with road, the projection of the central light beam of described road lamp unit outgoing beam on road plane specifies that travel direction is parallel.
Preferably, described road lamp unit comprises wide-angle illumination unit, middle angular illumination unit and low-angle illumination unit, and its respective quantity or luminous intensity reduce and reduce along with the angle of its central light beam and vertical direction.Here namely central light beam refers to wide-angle illumination unit, the light beam in the line direction at middle angular illumination unit and low-angle illumination unit luminous point and respective irradiation area center, the outgoing central light beam of each road lamp unit comprised in this road lamp is different from the angle of vertical direction, and quantity or the luminous intensity of each illumination unit is distributed according to the angle of its central light beam and vertical direction, the road lamp element number that angle is larger is more or luminous intensity is stronger, the less road lamp element number of angle is then less or luminous intensity is less, because distant from light source to road surface of the light beam of the road lamp unit outgoing that angle is large is so the road lamp unit distributing a greater number or larger luminous intensity in order to the brightness that ensures road surface and uniform-illumination sexual needs irradiates, and it is contrary, the less road lamp unit outgoing beam of angle from light source to road surface the distance of process shorter, so also for ease of the uniform-illumination ensureing whole road surface, only need distribute relatively less road lamp unit or relatively little luminous intensity.
Improve, described road lamp in the both sides, front and back perpendicular to road direction with baffle plate.This is arranged can avoid the road lamp outgoing beam in this track to have influence on the driver sent a car on track further, at the side plating reflective material of baffle plate towards light source, can reduce optical energy loss.
Improve, described road lamp is provided with lens on beam exit direction.Utilize lens can control the exit direction of outgoing beam flexibly, easily.
Preferably, described lens are Fresnel Lenses.Fresnel Lenses is utilized to save cost.
Preferably, described road lamp unit light source outgoing central light beam oblique illumination road surface.Irradiating road surface by tilting to install existing road lamp, saving cost.
Preferably, described road lamp unit light source outgoing central light beam vertical irradiation road surface and light source is outside equipped with reflection shield or lens.Change the direction of propagation of light beam by designing reflection shield or lens outward at light source, the direction of propagation of light beam is easily controlled, and the method can ensure the installation stability of road lamp.
Preferably, the light source of described road lamp unit is LED light source.Utilize LED can save a large amount of electric energy as the light source of road lamp, and greatly reduce maintenance cost.
The road lamp on a kind of oblique illumination road surface of the present invention fundamentally can avoid the generation of the situations such as driver is dazzling, dazzle along oblique illumination road surface, road driving direction.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described:
Fig. 1 is the structural representation of the road lamp embodiment 1 on a kind of oblique illumination road surface of the present invention;
Fig. 2 is the enlarged diagram of region A in Fig. 1;
Fig. 3 is the internal structure schematic diagram of the road lamp on the embodiment of the present invention 1 one kinds of oblique illumination road surfaces;
Fig. 4 is the side structure schematic diagram of the road lamp on the embodiment of the present invention 1 one kinds of oblique illumination road surfaces;
Fig. 5 is the structural representation of the road lamp embodiment 2 on a kind of oblique illumination road surface of the present invention.
Detailed description of the invention
Embodiment 1:
Be illustrated in figure 1 road lamp embodiment 1 structural representation on oblique illumination road surface of the present invention, along road, most of outgoing beam (namely exit direction and road specify the light beam that travel direction is identical) of road lamp 1 outgoing beam specifies that travel direction irradiates road surface 3, its projection on road surface 3 is positioned at the left side of lamp stand 4, the sub-fraction outgoing beam (exit direction and road specify the light beam that travel direction is contrary) of road lamp 1 is radiated on the right side of lamp stand 4, and its projection on road surface 3 is positioned at the right side of lamp stand 4.
Wherein, with road, the projection of central light beam on road plane of described road lamp unit outgoing beam preferably specifies that travel direction is parallel, central light beam refers to the light beam in the line direction at light source luminescent point and irradiation area center.
Fig. 2 is the enlarged diagram of region A in Fig. 1, when motor vehicle driver traveling enters road lamp 1 irradiation area, the light beam being radiated at light beam on the right side of lamp stand 4 projects in car by the mid point of vehicle front windshield 6 top edges, wherein the edge light beam 5 of the rightmost side is minimum with the angle of road direction, also there is an angle in the mid point line of driver's human eye and vehicle front windshield 6 top edges and road direction, this angle is less than the angle of edge light beam 5 and road direction, when vehicle is by irradiation area, light beam can be stopped by the lightproof part 7 of vehicle own before entering driver's human eye, thus avoid road lamp 1 outgoing beam directly to enter human eye causing dazzle to react.
Be illustrated in figure 3 the cut-away view of the road lamp on a kind of oblique illumination road surface of the embodiment of the present invention, road lamp unit comprises nine road lamp unit 8 altogether, nine road lamp unit 8 take advantage of 3 matrix arrangements in 3, comprise the middle angular illumination unit 82 of four wide-angle illumination units 81, three and two low-angle illumination units 83 respectively, wherein four wide-angle illumination units 81 and three middle angular illumination unit 82 all arrange in triangle disposition.The light source of each road lamp illumination unit 8 is LED light source 9, and LED light source 9 is outer with reflection shield 10, road lamp 1 in the both sides perpendicular to road vehicle travel direction with baffle plate 11.The quantity of described road lamp unit 8 can adjust according to actual.With road, the projection of central light beam on road plane of aforementioned road lamp unit outgoing beam preferably specifies that travel direction is parallel, here correspondence refers to described wide-angle illumination unit 81, middle angular illumination unit 82 is preferably parallel with road regulation travel direction with the projection of central light beam on road plane of low-angle illumination unit 83 respectively.
Be illustrated in figure 4 the side structure schematic diagram of the road lamp on a kind of oblique illumination road surface of the embodiment of the present invention, the respective beam exit direction of wide-angle illumination unit 81, middle angular illumination unit 82 and low-angle illumination unit 83 is controlled by reflection shield 10, and the angle of outgoing beam and vertical direction reduces successively separately.
Operationally, most of outgoing beam irradiates along road regulation travel direction the road lamp 1 of the embodiment of the present invention, specifies that the driver that travel direction is advanced can not observe directly road lamp 1 outgoing beam, avoid the generation of the phenomenons such as dazzling, dazzle along road.Nine road lamp illumination unit 8 convenient installations of arrangement in matrix, the quantity of wide-angle illumination unit 81, middle angular illumination unit 82 and low-angle illumination unit 83 increases with the corner dimension of outgoing outgoing beam and vertical direction and reduces, to reach illuminance uniformity requirement on illuminated road.Road lamp 1 arranges baffle plate 11 perpendicular to the both sides of road direction and prevents from road lamp 1 outgoing beam from projecting in driver's human eye of sending a car on road causing the uncomfortable symptoms such as dazzling, dazzle.
Embodiment 2
Be illustrated in figure 5 road lamp embodiment 2 structural representation on oblique illumination road surface of the present invention, all light beams of road lamp 1 outgoing beam irradiate road surface 3 along road regulation travel direction.Obviously, all light beams of outgoing all can not cause the uncomfortable symptoms such as dazzling, dazzle to the eyes of driver.
In sum, the present invention has the advantage of anti-dazzling, dazzle, also has the features such as simple installation, maintenance rate are low, energy-conservation in use simultaneously.
Pass through above-described embodiment, object of the present invention is reached by fully effective, the personage being familiar with this skill should be understood that and the present invention includes but the content being not limited to accompanying drawing and describing in detailed description of the invention above, and any amendment not departing from function and structure principle of the present invention all will comprise within the scope of the appended claims.
Claims (7)
1. the road lamp on oblique illumination road surface, comprises some illumination road lamp unit, it is characterized in that: the vehicle heading outgoing that all outgoing beams of described road lamp unit specify to illuminated road, or the vehicle heading outgoing that most of outgoing beam of described road lamp unit specifies to illuminated road, remainder outgoing beam specifies the rightabout outgoing of travel direction towards road, wherein, specify that towards road minimum acute angle formed by the light beam of the rightabout outgoing of travel direction and road direction is greater than maximum acute angle formed by vehicle front windshield top edges each point and motor vehicle driver human eye line and road direction, described road lamp unit comprises wide-angle illumination unit, middle angular illumination unit and low-angle illumination unit, wide-angle illumination unit, the respective quantity of middle angular illumination unit and low-angle illumination unit or luminous intensity reduce and reduce along with the angle of its central light beam and vertical direction, described road lamp in the both sides, front and back of the vehicle heading perpendicular to road with baffle plate, described baffle plate is coated with reflective material towards the side of light source.
2. the road lamp on oblique illumination road surface according to claim 1, is characterized in that: with road, the projection of described road lamp unit outgoing beam on road plane specifies that travel direction is parallel.
3. the road lamp on oblique illumination road surface according to claim 1, is characterized in that: described road lamp is provided with lens on beam exit direction.
4. the road lamp on oblique illumination road surface according to claim 3, is characterized in that: described lens are Fresnel Lenses.
5. the road lamp on oblique illumination road surface according to claim 1, is characterized in that: the central light beam oblique illumination road surface of described road lamp unit light source outgoing.
6. the road lamp on oblique illumination road surface according to claim 1, is characterized in that: described road lamp unit light source outgoing central light beam vertical irradiation road surface and light source is outside equipped with reflection shield or lens.
7. the road lamp on oblique illumination road surface according to claim 1, is characterized in that: the light source of described road lamp unit is LED light source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210333631.6A CN102865535B (en) | 2012-09-11 | 2012-09-11 | Street lamp illuminating road surface slantwise |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210333631.6A CN102865535B (en) | 2012-09-11 | 2012-09-11 | Street lamp illuminating road surface slantwise |
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| CN102865535A CN102865535A (en) | 2013-01-09 |
| CN102865535B true CN102865535B (en) | 2015-07-08 |
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| CN201210333631.6A Active CN102865535B (en) | 2012-09-11 | 2012-09-11 | Street lamp illuminating road surface slantwise |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107631860B (en) * | 2017-09-26 | 2019-10-25 | 成都国翼电子技术有限公司 | A method of calculating minimum LED light quantity needed for VR camera |
| CN110486655A (en) * | 2019-07-23 | 2019-11-22 | 广东德洛斯照明工业有限公司 | A kind of lighting system of the cloth lamp on sound barrier |
| CN112581779A (en) * | 2020-12-08 | 2021-03-30 | 哈尔滨工业大学 | Road dynamic traffic information visual prompting method and system based on laser projection |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000030511A (en) * | 1998-07-13 | 2000-01-28 | Matsushita Electric Works Ltd | Street lamp |
| JP4089175B2 (en) * | 2001-05-18 | 2008-05-28 | 東芝ライテック株式会社 | Lighting device |
| CN101818872B (en) * | 2009-02-26 | 2012-07-25 | 富士迈半导体精密工业（上海）有限公司 | Illumination device |
| CN201599691U (en) * | 2010-02-05 | 2010-10-06 | 王洪华 | Glare-free road illuminating lamp |
| CN102192454B (en) * | 2010-03-11 | 2013-10-09 | 富士迈半导体精密工业（上海）有限公司 | Street lamp device |
| CN202852639U (en) * | 2012-09-11 | 2013-04-03 | 杭州鸿雁电器有限公司 | Road lamp capable of illuminating road surface slantly |
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Denomination of invention: Street lamp illuminating road surface slantwise Effective date of registration: 20181227 Granted publication date: 20150708 Pledgee: Bank of China Limited Linan Branch Pledgor: Hongyan Electric Appliance Co., Ltd., Hangzhou Registration number: 2018330000531 |
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Date of cancellation: 20200907 Granted publication date: 20150708 Pledgee: Bank of China Limited Linan Branch Pledgor: HANGZHOU SWANGOOSE ELECTRICAL Co.,Ltd. Registration number: 2018330000531 |
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