CN202947078U - Street lamp reflector and street lamp - Google Patents
Street lamp reflector and street lamp Download PDFInfo
- Publication number
- CN202947078U CN202947078U CN2012205650286U CN201220565028U CN202947078U CN 202947078 U CN202947078 U CN 202947078U CN 2012205650286 U CN2012205650286 U CN 2012205650286U CN 201220565028 U CN201220565028 U CN 201220565028U CN 202947078 U CN202947078 U CN 202947078U
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- China
- Prior art keywords
- reflector
- street lamp
- light
- reflective surface
- road lamp
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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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- Road Signs Or Road Markings (AREA)
Abstract
The utility model discloses a street lamp reflector and a street lamp. The street lamp reflector comprises a light reflecting bowl (1). The inner surface of the light reflecting bowl (1) is a light reflecting curved surface (2). Paraboloid curvature of one side, reflecting light towards the heading direction of a vehicle, of the light reflecting curved surface (2) is larger than paraboloid curvature of the other side. According to the street lamp reflector and the street lamp which uses the street lamp reflector, due to the fact that the asymmetrical light reflecting curved surface (2) is arranged on the light reflecting bowl (1) inside the street lamp reflector, more light rays are centralized to light on the heading direction of the vehicle. Distance which can be lighted up by the light rays is longer, and thus vertical face objects can be displayed more clearly, glare stimulation of the street lamp to eyes of a driver is reduced, and potential safety hazards of travel of the vehicle are reduced. In addition, the utility model further discloses the street lamp with the street lamp reflector.
Description
Technical field
The utility model relates to the lighting apparatus field, particularly, relates to road lamp reflector and street lamp.
Background technology
The basic goal of road lighting is for traffic participant provides safe guarantee, and the illumination observability is the measurement index to the barrier identifiability.The conventional road lamp reflector, main employing is symmetrical luminous intensity distribution design on its structure, its effect of mainly playing is to illuminate road surface itself, namely mainly for the illumination of level road, throws light on for the observability of facade object and is short of to some extent.Facade object observability under the irradiation of conventional road lamp is not high, therefore easily causes certain road traffic safety problem.The function singleness of the road lighting that conventional road lamp uses, principle is old.Therefore need a kind of street lamp that can promote facade object visibility, the potential safety hazard that exists in order to improve conventional road lamp.
The utility model content
The street lamp that the purpose of this utility model is to provide a kind of road lamp reflector and uses this road lamp reflector can improve the illumination of opposite object, thereby increases the visibility of facade object.
To achieve these goals, the utility model provides a kind of road lamp reflector, comprise reflector, the inner surface of this reflector is reflective surface, and this reflective surface is towards the parabola curvature of a side of the vehicle direct of travel reflection ray parabola curvature greater than opposite side.
Preferably, described reflective surface is on the direction of advancing perpendicular to vehicle, and inboard parabola curvature is greater than the parabola curvature in the outside.
Preferably, the position of the close described reflective surface of described reflector inboard is provided with for the opening that light source is installed.
Preferably, the bottom sides of described reflector is along being formed with mounting flange, and this mounting flange is provided with locating dowel.
Preferably, be coated with plated film on described reflective surface.
Preferably, described reflective surface is continuous curve surface.
Preferably, described reflective surface is combined by a plurality of reflective surfaces.
Preferably, described reflective surface is the cambered surface to light reflection direction projection.
Preferably, described reflector is made by glass material.
Also provide a kind of street lamp in another embodiment of the present utility model, comprised the road lamp reflector described in above-described embodiment.
The road lamp reflector that the utility model provides and the street lamp that uses this road lamp reflector, by the reflector of road lamp reflector inside is arranged to asymmetric reflective surface, the direction that the more cover of light is advanced to vehicle.Light can shine fartherly along the direction that vehicle is advanced, thereby the facade object can more clearly be shown, has alleviated the dazzle stimulation of street lamp to driver's eyes, has reduced the potential safety hazard of driving.
Other feature and advantage of the present utility model will partly be described in detail in the specific embodiment subsequently.
Description of drawings
Accompanying drawing is to be used to provide further understanding of the present utility model, and consists of the part of specification, is used from explanation the utility model with the following specific embodiment one, but does not consist of restriction of the present utility model.In the accompanying drawings:
Fig. 1 is that the road lamp reflector that the utility model provides shines schematic diagram at the light of vehicle direct of travel;
Fig. 2 is that the road lamp reflector that the utility model provides shines schematic diagram at the light of vertical vehicle direct of travel;
Fig. 3 is the structural representation of the first reflector of providing of the utility model;
Fig. 4 is the structural representation of the second reflector of providing of the utility model;
Fig. 5 is the distribution curve flux figure of the reflector reflection ray that provides of the utility model.
Description of reference numerals
1 reflector 2 reflective surfaces
21 reflective surface 3 openings
4 mounting flange 41 locating dowels
The specific embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present utility model is elaborated.Should be understood that, the specific embodiment described herein only is used for description and interpretation the utility model, is not limited to the utility model.
The road lamp reflector that the utility model proposes comprises reflector 1, and as shown in Figure 1, the inner surface of this reflector 1 is reflective surface 2, and this reflective surface 2 is towards the parabola curvature of a side of the vehicle direct of travel reflection ray parabola curvature greater than opposite side.
Because light source is arranged in reflector 1, the inner surface by reflector 1 with the part light-ray condensing after orienting reflex.Therefore the reflection angle of 2 pairs of light of reflective surface has determined the illuminating effect of street lamp road pavement.In the utility model, the reflective surface 2 of reflector forms the structure of asymmetric light distribution, the parabola curvature of reflective surface 2 one sides is increased the direction that allows the large side of curvature that the light-ray condensing reflection is advanced to vehicle, the road surface in the place ahead and the object on the road surface thereby assisting vehicle throws light on.The less side of parabola curvature in reflective surface 2 is light to be drawn in to the direction on vertical road surface as far as possible, purpose is when Vehicle Driving Cycle is neighbouring to street lamp, to be controlled in a shorter distance towards the light of driver's irradiation, thereby the dazzle that reduces driver's eyes stimulates.
Because the vehicle distances street lamp is nearer, light is more approaching vertical to the irradiating angle of vehicle, therefore driver's vision is disturbed also just littlely, so the reflector 1 of this kind structure can well reduce dazzle to driver's interference, improved the security of driving.As shown in Figure 1, in the embodiment that the utility model provides, reflective surface 2 is 64 ° with light-ray condensing to the reflection angle of vehicle heading and the maximum angle of vertical direction, the angle of back reflection light and the maximum angle of vertical direction are 49 °, this light reflection angle is best angle, both realize the effect of assisting vehicle illumination, effectively controlled again the dazzle stimulation of light to driver's eyes.
Further, conventional road lamp is when the road surface of illumination Vehicle Driving Cycle, and a part of light has shone the non-district of travelling beyond the road surface, makes light can not focus in the irradiation of road pavement fully, cause certain energy waste, also reduced to a certain extent the intensity of illumination.In the utility model, this problem is improved.As shown in Figure 2, reflective surface 2 is on the direction of advancing perpendicular to vehicle, and inboard parabola curvature is greater than the parabola curvature in the outside.The inboard of reflective surface 2 is the sides near the roadside direction, and namely near a side of non-running region direction, the outside of reflective surface 2 is the side near the road surface center position.Reflective surface 2 is larger in the parabola curvature of inboard, can collect originally shining the non-light that travels the district, concentrate and implement illumination to the road surface, and the parabola curvature in the outside is less, purpose is also that light is not dispersed, and draws the irradiation light of non-running region in, makes the illumination enhancing in road traveling zone, further improve the observability of object on road surface and road surface, increase the security of driving.As shown in Figure 2, in the novel embodiment who provides of this use, the inboard parabola of reflective surface 2 is 43 ° with light-ray condensing to the reflection angle of road lighting and the maximum angle of vertical direction, the angle of outside parabolic reflector light and the maximum angle of vertical direction are 16 °, this light reflection angle is best angle, effectively light is gathered in the scope of road surface, increased exposure intensity, avoid energy waste.
In addition, the utility model further provides distribution curve flux figure, in order to the relation of detailed display light line reflection angle and illumination.As shown in Figure 5, to be light advance and rightabout distribution curve flux figure along vehicle the B curve, the A curve be light in the direction of advancing perpendicular to vehicle, inboard parabola and the paraboloidal distribution curve flux figure in the outside.
In an embodiment of the present utility model, in order to realize reflecting effect preferably, as shown in Figure 3, reflective surface 2 can also be continuous curve surface.The reflective surface 2 of this kind structure is easy to process, is convenient to produce.
Further, as shown in Figure 4, reflective surface 2 can be combined by a plurality of reflective surfaces 21.Each less reflective surface 21 forms little reflecting surface, and a plurality of little reflectings surface can further increase the uniformity on road surface, eliminate the non-uniform light situation that causes due to light-source structure.
In the novel embodiment of this use, be coated with plated film on reflective surface 2.Plated film using plasma coating effects is better, and this plated film can play the effect that strengthens reflecting effect.In addition, plated film can also prevent that reflective surface 2 is oxidized, thereby extends the service life of reflector 1.
Usually, the side that light source need to pass reflector 1 just can be arranged under the reflective surface of reflector 1, therefore need to an opening 3 be set so that the installation of light source on reflector 1.As shown in Figure 3, in an embodiment of the present utility model, be provided with for the opening 3 that light source is installed in reflector 1 position near reflective surface 2 inboards; Further, fixing for the ease of reflector 1 and street lampshade, along being formed with mounting flange 4, this mounting flange 4 is provided with locating dowel 41, is used for playing the role of positioning when reflector 1 is installed with fixture in the bottom sides of reflector 1.
Certainly, in an embodiment of the present utility model, reflector 1 can be made by glass material.Reflector 1 form accuracy that glass material is made is high, and hardness is high, and is not yielding, varies with temperature distortion little, and anticorrosive, and service time is more lasting.
Certainly, the new road lamp reflector that proposes of this practicality is in the integral installation timing, and the parts of its each several part can mate arbitrarily.For example, be not limited to the particular type of light source, brand and model; Be not limited to the material of reflector 1, composition and size are not limited to the concrete numerical value of rising angle, as long as can reach desired structure and reflecting effect in above-described embodiment, all in protection domain of the present utility model.
Also provide a kind of street lamp in another embodiment of the present utility model, comprised the road lamp reflector in above-described embodiment.
The road lamp reflector that the utility model provides and the street lamp that uses this road lamp reflector, by the reflector of road lamp reflector inside is arranged to asymmetric reflective surface, the direction that the more cover of light is advanced to vehicle.Light can shine fartherly along the direction that vehicle is advanced, thereby the facade object can more clearly be shown, has alleviated the dazzle stimulation of street lamp to driver's eyes, has reduced the potential safety hazard of driving.
Below describe by reference to the accompanying drawings preferred embodiment of the present utility model in detail; but; the utility model is not limited to the detail in above-mentioned embodiment; in technical conceive scope of the present utility model; can carry out multiple simple variant to the technical solution of the utility model, these simple variant all belong to protection domain of the present utility model.
Need to prove that in addition each the concrete technical characterictic described in the above-mentioned specific embodiment in reconcilable situation, can make up by any suitable mode.For fear of unnecessary repetition, the utility model is to the explanation no longer separately of various possible combinations.
In addition, also can carry out any combination between various embodiment of the present utility model, as long as it is without prejudice to thought of the present utility model, it should be considered as content disclosed in the utility model equally.
Claims (10)
1. road lamp reflector, comprise reflector (1), it is characterized in that, the inner surface of this reflector (1) is reflective surface (2), and this reflective surface (2) is towards the parabola curvature of a side of the vehicle direct of travel reflection ray parabola curvature greater than opposite side.
2. road lamp reflector according to claim 1, is characterized in that, described reflective surface (2) is on the direction of advancing perpendicular to vehicle, and inboard parabola curvature is greater than the parabola curvature in the outside.
3. road lamp reflector according to claim 2, is characterized in that, described reflector (1) is provided with for the opening (3) that light source is installed near the position of described reflective surface (2) inboard.
4. road lamp reflector according to claim 3, is characterized in that, the bottom sides of described reflector (1) is along being formed with mounting flange (4), and this mounting flange (4) is provided with locating dowel (41).
5. road lamp reflector according to claim 4, is characterized in that, described reflective surface is coated with plated film on (2).
6. according to claim 1 ~ 5 described road lamp reflectors of any one, is characterized in that, described reflective surface (2) is continuous curve surface.
7. according to claim 1 ~ 5 described road lamp reflectors of any one, is characterized in that, described reflective surface (2) is combined by a plurality of reflective surfaces (21).
8. road lamp reflector according to claim 7, is characterized in that, described reflective surface (21) is the cambered surface to light reflection direction projection.
9. road lamp reflector according to claim 1, is characterized in that, described reflector (1) is made by glass material.
10. a street lamp, is characterized in that, comprises road lamp reflector as described in any one in claim 1 ~ 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012205650286U CN202947078U (en) | 2012-10-30 | 2012-10-30 | Street lamp reflector and street lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012205650286U CN202947078U (en) | 2012-10-30 | 2012-10-30 | Street lamp reflector and street lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202947078U true CN202947078U (en) | 2013-05-22 |
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ID=48422776
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012205650286U Expired - Lifetime CN202947078U (en) | 2012-10-30 | 2012-10-30 | Street lamp reflector and street lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202947078U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110242896A (en) * | 2019-05-27 | 2019-09-17 | 昆明学院 | A kind of road lamp device easily more to change the bulb |
-
2012
- 2012-10-30 CN CN2012205650286U patent/CN202947078U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110242896A (en) * | 2019-05-27 | 2019-09-17 | 昆明学院 | A kind of road lamp device easily more to change the bulb |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130522 |