CN201589198U - LED road lamp reflecting cup, reflecting cup module and LED road lamp - Google Patents
LED road lamp reflecting cup, reflecting cup module and LED road lamp Download PDFInfo
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- CN201589198U CN201589198U CN2009202620291U CN200920262029U CN201589198U CN 201589198 U CN201589198 U CN 201589198U CN 2009202620291 U CN2009202620291 U CN 2009202620291U CN 200920262029 U CN200920262029 U CN 200920262029U CN 201589198 U CN201589198 U CN 201589198U
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- street lamp
- led street
- reflecting cup
- lamp reflecting
- cup
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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 utility model provides an LED road lamp reflecting cup, a reflecting cup module and an LED road lamp, wherein the reflecting cup module and an LED road lamp are respectively provided with the LED road lamp reflecting cup. The LED road lamp reflecting cup comprises a bottom surface and first lateral surfaces; the first lateral surfaces are positioned on two comparatively longer sides of the bottom surface to form a long strip-shaped axial symmetry cup body structure; each first lateral surface includes a first parabolic surface and a second parabolic surface connected with the first parabolic surface; and a lamp fixing area arranged on the bottom surface is positioned between two focal points of the first parabolic surface and the second parabolic surface. The first lateral surfaces are concave curved surfaces inwards a cup body along the Y-axis direction of the long strip-shaped cup body, and the first lateral surfaces are concave curved surfaces inwards the cup body along the Z-axis direction of the long strip-shaped cup body. By adopting the long strip-shaped reflecting cup with double parabolic surfaces and positioning the lamp fixing area between the two focal points of the two parabolic surfaces, the LED road lamp reflecting cup compresses light types in a Y direction and distributes the light types to an X direction, thereby realizing even rectangular illumination and meeting the illumination demand of the LED road lamp.
Description
Technical field
The utility model belongs to the LED field of street lamp lighting, relates in particular to a kind of LED street lamp reflecting cup, reflector module and LED street lamp.
Background technology
In recent years, worldwide energy shortage makes newly can develop and power-saving technology is subjected to various countries and further payes attention to. along with the fast development of Remarkable Energy Saving LED technology, the application of LED is increasingly extensive, the LED industry is subjected to the strong backing of department of national governments. except backlight, indication, outside the decoration, adopt LED also more and more general in the illuminating industry as light source.In the outdoor lighting, all more than hectowatt, energy consumption is very big basically for the used conventional lamp of road lighting, so high-power LED lamp has begun to replace conventional lamp and realizes road lighting.Led light source is approximate Lambertian source, its luminous intensity light-emitting area normal direction is a symmetry axis, be the class cosine distribution, its illumination hot spot is the very bright round spot in center, do not satisfy the rectangular light spot requirement of road lighting, must adopt luminous intensity distribution device (for example light-distribution lens) its lighting angle and the uniformity are adjusted and to be optimized.
Because the high-power LED light source caloric value is big, so the operating temperature of luminous intensity distribution device is higher.The LED road illuminating lamp adopts the lens luminous intensity distribution more at present, and the LED lens generally adopt resin materials such as PC, PMMA, and there is yellow in long-term work at high temperature, problems such as deformation.The yellow of lens not only can reduce the lens transmitance, causes the reduction of the efficiency of light energy utilization, and can influence photochromicly, changes the illuminating effect of light fixture.Deformation then can influence lamp distribution, and problem such as might cause that lens come off.
General led light source, about 120 ° of its lighting angle if adopt traditional reflector, then can only obtain the luminous intensity distribution angle less than 120 °, so reflector generally is used in the throwing lamp, the demanding occasion of optically focused such as shot-light, searchlight.Road lighting often requires to be equal to, or greater than 120 ° along the lighting angle of road direction, and therefore traditional reflector is difficult to satisfy the road lighting requirement.
The utility model content
The utility model provides a kind of LED street lamp reflecting cup for solving the technical problem that reflector of the prior art can not satisfy the road lighting of LED street lamp.The utility model also provides a kind of LED street lamp reflecting cup module.Another purpose of the present utility model also is to provide a kind of LED street lamp.
Concrete technical scheme of the utility model and beneficial effect are as follows:
A kind of LED street lamp reflecting cup, comprise the bottom surface and first side, this first side is positioned at relative long both sides, described bottom surface and forms strip axial symmetry cup body structure, and wherein, described first side comprises first parabola and second parabola that is connected with first parabola; This bottom surface is provided with Gu Dengqu, and described Gu Dengqu is positioned between first parabola and the second paraboloidal bifocal.
Described first side is the concave curved surface in cup along the Y direction of strip cup, and described first side is to the cup inner sunken face along the Z-direction of strip cup.
The utility model adopts the strip LED street lamp reflecting cup of dual paraboloid type and this Gu Dengqu is positioned between first parabola and the second paraboloidal bifocal, this structure can effectively be compressed Y direction glazing type, and be assigned to directions X, to compensating on this direction, thereby realize uniform rectangular illumination, satisfy the street lighting demand, reach the purpose that realizes rectangular illumination without light-distribution lens.
Further, in order to make the reflection ray on the parabola even, preferably this Gu Dengqu is positioned on the symmetry axis of strip cup.
Further, in order to make intensity of illumination and even performance better, preferred described Gu Dengqu is positioned at the first parabolic and second paraboloidal intersection.
Further, preferred described first is parabolic parabolic identical with second, and its parabolic equation is: z=ax
2+ by
2+ c, wherein, a span is-0.007～-0.0003, and the span of b is 0.4～0.5, and c is a constant.To realize the luminous intensity distribution angle of about 60 ° in y direction, the luminous intensity distribution angle about 120 ° of the x direction.B is big more, and is obvious more to the compression of Y direction light type, but can cause the lighting angle of directions X that faint reducing also arranged simultaneously.Therefore a gets negative value, and this reducing compensated, and makes the lighting angle of x direction maintain 120 °.
Further, preferably this LED street lamp reflecting cup also comprises second side, and described second side is connected with first side and is connected in remaining both sides, bottom surface simultaneously, to increase reflection of light.Described second side is along the directions X of strip cup.
A kind of LED street lamp reflecting cup module of the present utility model comprises some above-mentioned LED street lamp reflecting cups, the regularly arranged LED street lamp reflecting cup module that forms regular shape of some described LED street lamp reflecting cups.Can satisfy the demand of different road lightings like this.
Further, the preferred described LED street lamp reflecting cup of this LED street lamp reflecting cup module is arranged in strip LED street lamp reflecting cup bar, and this LED street lamp reflecting cup bar is formed by connecting from beginning to end by the LED street lamp reflecting cup.Be convenient to industrial production like this, reduce cost.
Further, this LED street lamp reflecting cup module preferably this LED street lamp reflecting cup module be the rectangle module of forming by a plurality of strip LED street lamp reflecting cup bars.To satisfy the demand of the bigger illuminance in road surface.
A kind of LED street lamp of the present utility model, the housing that comprises LED lamp, printing opacity, this housing is formed with certain space, wherein, also comprise above-mentioned LED street lamp reflecting cup or LED street lamp reflecting cup module, this LED street lamp reflecting cup or LED street lamp reflecting cup module are positioned at this space, and described LED lamp is fixed in the solid lamp district of LED street lamp reflecting cup or LED street lamp reflecting cup module.LED street lamp of the present utility model has the advantage of above-mentioned LED street lamp reflecting cup or above-mentioned LED street lamp reflecting cup module, does not promptly need light-distribution lens can realize rectangular illumination, and luminous intensity and illumination uniformity all increase.
Description of drawings
Fig. 1 is the structural representation that the utility model provides the LED street lamp reflecting cup of embodiment;
Fig. 2 is the cutaway view of accompanying drawing 1I-I line;
Fig. 3 is the Illumination Distribution figure of the LED street lamp reflecting cup of the utility model embodiment
Fig. 4 is; The utility model provides the perspective view of the LED street lamp reflecting cup module of embodiment;
Fig. 5 is the LED lamp post structure schematic diagram of the utility model embodiment.
The specific embodiment
Clearer for technical problem, technical scheme and beneficial effect that the utility model is solved, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
Fig. 1 is the structural representation of the LED street lamp reflecting cup that provides of the utility model; Fig. 2 is the cutaway view of accompanying drawing 1I-I line; Fig. 3 is the Illumination Distribution figure of the LED street lamp reflecting cup of the utility model embodiment; Fig. 4 is the perspective view of the LED street lamp reflecting cup module that provides of the utility model; Fig. 5 is the LED lamp post structure schematic diagram of the utility model embodiment.
Please refer to Fig. 1, a kind of LED street lamp reflecting cup 1 of the utility model embodiment, this LED street lamp reflecting cup 1 is a strip axial symmetry cup, comprise bottom surface 100, first side 200 and second side 300, described first side 200 is the concave curved surface in cup along the Y direction of strip cup, and described first side 200 is along the Z-direction of strip cup, be to the cup inner sunken face, described second side 300 is along the directions X of strip cup; Described first side 200 and second side 300 be arranged at bottom surface 100 around form the cup have only an opening (being light-emitting window).Certainly, second side 300 can be removed, can not produce bigger influence the light distribution effect of this LED street lamp reflecting cup integral body in some application scenarios.Fig. 1 only shows the direction of X-axis, Y-axis, can know that according to screw law the direction of Z axle is outside the vertical paper.In the present embodiment, when the LED street lamp reflecting cup 1 of present embodiment used, the Y direction was laterally parallel with the road surface, the parallel longitudinal on directions X and road surface.Described first side 200 comprise first parabolic 210 with first parabolic 210 second parabolas 220 that are connected; This first parabolic 210 and second parabola 220 intersects, two paraboloidal tops are removed, and constitute the axisymmetric cup of strip, and this bottom surface has solid lamp district 110 on Y direction, and this solid lamp district 110 is positioned between the bifocal (A, B) of first parabolic 210 and second parabola 220.The light intensity angle of Ordinary Rd lighting Y direction is 60 °, and the light intensity angle of directions X is 120 °, and the LED light intensity angle of approximate Lambertian source all is 120 ° at directions X and Y direction.If LED is placed on the Y direction parabolic focus, then Y direction light intensity angle can be compressed to 5 °～30 ° with the reflector height, can not satisfy the demand of road transverse illumination, but also needs two LED lamp (perhaps LED lamp module).Therefore the present invention places led light source (Gu Dengqu) between Y direction parabolic focus and the summit, to obtain bigger rising angle.Among the utility model embodiment, to consolidate lamp district 110 between the bifocal of first parabolic 210 and second parabola 220, for two parabolas, all satisfy the requirement of light source between parabolic focus and fixed point, can realize light is carried out compressing on the Y direction.Because the approximate Lambertian source character of LED makes that the road illumination distribution of its directions X is too concentrated, though rising angle is 120 °, uniformity is not high.Adopt the reflector of dual paraboloid design the light that compresses on the Y direction can be assigned to directions X, to compensating on this direction, thereby realize uniform rectangular illumination, satisfy the street lighting demand.In order to reach the better illumination effect, promptly rectangular area is big, illumination is more even, and present embodiment preferably will be consolidated the intersection that lamp district 110 is positioned at first parabolic 210 and second parabola 220.Fig. 2 is the cutaway view of accompanying drawing 1I-I line, and is even for the light that reflects on the parabola referring again to Fig. 2, preferably should be positioned on the symmetry axis of this strip cup in solid lamp district 110.
Further, in order to reduce difficulty of processing and to improve illuminance uniformity, present embodiment preferred first parabolic 210 is identical with the face type of second parabola 220, and its parabolic equation is: its parabolic equation is: z=ax
2+ by
2+ c, wherein a is less than zero, and span is-0.007～-0.0003; B is greater than zero, and the span of b is 0.4～0.5; C is a constant, is relative value individual and light source position, need go to transfer according to the position of light source, can satisfy the demand of differing heights, reduces design work, and this control method is well known to those skilled in the art, does not repeat them here.To realize the luminous intensity distribution angle of about 60 ° in y direction, the luminous intensity distribution angle about 120 ° of the x direction.B is big more, and is obvious more to the compression of Y direction light type, but can cause the lighting angle of directions X that faint reducing also arranged simultaneously.Therefore a gets negative value, and this reducing compensated, and makes the lighting angle of x direction maintain 120 °.Please refer to Fig. 3, the Illumination Distribution among Fig. 3 is that the LED street lamp reflecting cup of present embodiment obtains by simulation.Can learn that from figure the LED street lamp reflecting cup of present embodiment can obtain the rectangular illumination zone of a comparison rule, and illumination is more even in this rectangular illumination zone, satisfies national street lighting standard.
The utility model also provides a kind of LED street lamp reflecting cup module.
Please refer to Fig. 4, a kind of LED street lamp reflecting cup module 2 of the present utility model, comprise some above-mentioned LED street lamp reflecting cups 1, described some LED street lamp reflecting cups 1 regularly arranged LED street lamp reflecting cup module 2 that forms regular shape can be made arbitrary shape according to the requirement of illumination and for example be regularly arranged into rectangle, rhombus, regular hexagon etc.Present embodiment preferably these some LED street lamp reflecting cups is regularly arranged into the rectangle module, realizes the high strength road lighting.This rectangle module comprises a plurality of strip LED street lamp reflecting cup bars 400, and this LED street lamp reflecting cup bar 400 equidistantly is arranged in order, and can process by one in the process of making, and has reduced production cost.This LED street lamp reflecting bar 400 is formed by connecting from beginning to end by the LED street lamp reflecting cup, two LED street lamp reflecting cup junctions do not have second side, the two ends of this LED street lamp reflecting cup bar can have second side also can not have second side, do not have in the present embodiment schematic diagram for there not being the situation of second side.The position in the solid lamp district 110 of this LED street lamp reflecting cup module is still the same with the position of Gu Dengqu in the LED street lamp reflecting cup.The LED street lamp reflecting cup module of present embodiment is as the further application of above-mentioned LED street lamp reflecting cup, so not only can satisfy the demand of different road lightings but also can satisfy the demand of the bigger illuminance in road surface.
The utility model also provides a kind of LED street lamp.
Please refer to Fig. 5, a kind of LED street lamp of the present utility model comprises LED lamp 5, housing 6, this housing 6 is formed with certain space, wherein, also comprise above-mentioned LED street lamp reflecting cup 1 or above-mentioned LED street lamp reflecting cup module 2, this LED street lamp reflecting cup 1 or LED street lamp reflecting cup module 2 are positioned at this space, and described LED lamp 5 is fixed in the solid lamp district 110 of LED street lamp reflecting cup 1 or LED street lamp reflecting cup module 2.The fin part 620 that this housing 6 has light transmission part 610 and is used to dispel the heat, this LED street lamp reflecting cup 1 or LED street lamp reflecting cup module 2 are between the part 610 of printing opacity and the fin part 620 that is used to dispel the heat.The preferred LED street lamp reflecting cup of present embodiment module 2 is positioned at this space, the bottom surface of this LED street lamp reflecting cup module 2 is fixed on the one side that this housing has fin part 620, and the heat that LED lamp 5 is produced can distribute the performance that is unlikely to influence the LED street lamp rapidly.These LED street lamp reflecting cup module 2 light-emitting windows face light transmission part 610, help like this LED lamp 5 is sent as far as possible penetrating of light.
The area of the preferred light transmission part 610 of present embodiment is greater than the area of these LED street lamp reflecting cup module 2 light-emitting windows.The light-emitting window of so-called this LED street lamp reflecting cup module 2 is the light-emitting window of LED street lamp reflecting cup.
On the LED street lamp of present embodiment after the electricity, the light that LED lamp 5 sends at first carries out reflecting and light distributing by this LED street lamp reflecting cup module 2, the rectangular light of street lighting is satisfied in generation, this rectangular light shines the road surface by the light transmission part then, and the heat that this LED lamp 5 produces is dispersed in the air by fin part 620.
Certain LED street lamp reflecting cup of the present utility model or module surface within it are coated with the anti-layer of height, and the silver-colored reflector layer of high reflectance for example is to improve the light source utilization rate.
The above only is preferred embodiment of the present utility model; not in order to restriction the utility model; all any modifications of within spirit of the present utility model and principle, being done, be equal to and replace and improvement etc., all should be included within the protection domain of the present utility model.
Claims (10)
1. LED street lamp reflecting cup, comprise the bottom surface and first side, this first side is positioned at relative long both sides, described bottom surface and forms strip axial symmetry cup body structure, it is characterized in that, described first side comprises first parabola and second parabola that is connected with first parabola; This bottom surface is provided with Gu Dengqu, and described Gu Dengqu is positioned between first parabola and the second paraboloidal bifocal.
2. LED street lamp reflecting cup as claimed in claim 1 is characterized in that described Gu Dengqu is positioned on the symmetry axis of strip cup.
3. LED street lamp reflecting cup as claimed in claim 2 is characterized in that, described Gu Dengqu is positioned at the first parabolic and second paraboloidal intersection.
4. as claim 1 or 2 or 3 described LED street lamp reflecting cups, it is characterized in that described first is parabolic parabolic identical with second, its parabolic equation is: z=ax
2+ by
2+ c, wherein a span is-0.007～-0.0003, and the span of b is 0.4～0.5, and c is a constant.
5. as claim 1 or 2 or 3 described LED street lamp reflecting cups, it is characterized in that, also comprise second side, described second side is connected with first side and is connected in remaining both sides, bottom surface simultaneously.
6. a LED street lamp reflecting cup module is characterized in that, comprise some as each described LED street lamp reflecting cup of claim 1 to 4, the regularly arranged LED street lamp reflecting cup module that forms regular shape of some described LED street lamp reflecting cups.
7. LED street lamp reflecting cup module as claimed in claim 6 is characterized in that, described LED street lamp reflecting cup is arranged in strip LED street lamp reflecting cup bar, and this LED street lamp reflecting cup bar is formed by connecting from beginning to end by the LED street lamp reflecting cup.
8. LED street lamp reflecting cup module as claimed in claim 7 is characterized in that, this LED street lamp reflecting cup module is the rectangle module of being made up of a plurality of strip LED street lamp reflecting cup bars.
9. LED street lamp comprises the housing of LED lamp, printing opacity, and this housing is formed with certain space, it is characterized in that, also comprise 1 to 5 each described LED street lamp reflecting cup, this LED street lamp reflecting cup is positioned at described space, and described LED lamp is fixed in the solid lamp district of LED street lamp reflecting cup.
10. LED street lamp, the housing that comprises LED lamp, printing opacity, this housing is formed with certain space, it is characterized in that, also comprise 6 to 8 each described LED street lamp reflecting cup modules, this LED street lamp reflecting cup module is positioned at described space, and described LED lamp is fixed in the solid lamp district of LED street lamp reflecting cup.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202620291U CN201589198U (en) | 2009-12-25 | 2009-12-25 | LED road lamp reflecting cup, reflecting cup module and LED road lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202620291U CN201589198U (en) | 2009-12-25 | 2009-12-25 | LED road lamp reflecting cup, reflecting cup module and LED road lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201589198U true CN201589198U (en) | 2010-09-22 |
Family
ID=42748982
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202620291U Expired - Lifetime CN201589198U (en) | 2009-12-25 | 2009-12-25 | LED road lamp reflecting cup, reflecting cup module and LED road lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201589198U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101956953A (en) * | 2010-10-21 | 2011-01-26 | 厦门华联电子有限公司 | Reflector for tunnel lamp |
| CN109630982A (en) * | 2019-01-31 | 2019-04-16 | 深圳市盛世生物医疗科技有限公司 | A kind of light propagating structure and light-source structure |
| CN114580039A (en) * | 2020-12-01 | 2022-06-03 | 深圳市泛科科技有限公司 | Design method of rectangular uniform-luminous waterproof lamp tube and lamp |
-
2009
- 2009-12-25 CN CN2009202620291U patent/CN201589198U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101956953A (en) * | 2010-10-21 | 2011-01-26 | 厦门华联电子有限公司 | Reflector for tunnel lamp |
| CN109630982A (en) * | 2019-01-31 | 2019-04-16 | 深圳市盛世生物医疗科技有限公司 | A kind of light propagating structure and light-source structure |
| CN109630982B (en) * | 2019-01-31 | 2024-04-19 | 深圳市盛世智能装备股份有限公司 | Light source structure |
| CN114580039A (en) * | 2020-12-01 | 2022-06-03 | 深圳市泛科科技有限公司 | Design method of rectangular uniform-luminous waterproof lamp tube and lamp |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100922 |
|
| CX01 | Expiry of patent term |