CN201382329Y - Soft-lighting high-power LED street lamp around optical field - Google Patents
Soft-lighting high-power LED street lamp around optical field Download PDFInfo
- Publication number
- CN201382329Y CN201382329Y CN200920039406U CN200920039406U CN201382329Y CN 201382329 Y CN201382329 Y CN 201382329Y CN 200920039406 U CN200920039406 U CN 200920039406U CN 200920039406 U CN200920039406 U CN 200920039406U CN 201382329 Y CN201382329 Y CN 201382329Y
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- reflector
- light source
- plane
- street lamp
- led light
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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 a soft-lighting high-power LED street lamp around an optical field. The high-power LED street lamp consists of a box-type lamp and a mounting assembly which are fixedly bonded together; a plurality of LED light sources and circuit boards are arranged on the front surface of the street lamp; the light sources are arranged in a matrix manner and are provided with reflective cups; the reflective cup adopts the shape of a concave four-edge truncated cone which consists of four reflection boards taking a shape of a triangle or an inverse trapezium; and the included angles between the two reflection boards in the width of the reflective cup and the plane where the light sources are positioned are larger than the included angles between the reflection boards in the length of the reflective cup. The high-power LED street lamp is characterized in that except that the included angles between the two reflection boards in the length of the two ends of the line of the box-type lamp and the plane where the light sources are positioned are 40 degree to 50 degree, and the included angle of each reflection board in the length of the lamp is 40 degree to 10 degree. The included angles between the reflection boards in the length of the lamp and the plane where the light sources are positioned are larger, so that the reflection angle of the light is enlarged, the steep illumination changing curve and obvious brightness and darkness of the edge of the optical field are eliminated, and soft-lighting perimeter effect is achieved, thereby facilitating the clearness of the road for a passerby or a driver.
Description
Technical field
The utility model relates to the soft high-power LED street lamp fixture of a kind of light field periphery greatly.
Background technology
Great power LED (referring to that single LEDs power is not less than 1W) illumination is the revolutionary technology of at present universally acknowledged replacement traditional lighting, and the high-capacity LED light fixture can be used as the regeneration product of current large power road lamp, floodlight.But, also have many technical problems to influence its promotion and application because this new technology application time is not long.Relatively Tu Chu technical difficulty has: the large power supply of high pressure mains-supplied can not be all one with light fixture, and power supply and a large amount of heating problems of LED.Existing LED high power illumination light fixture adopts low-voltage DC supply usually, modal form adopts voltage-stabilizing switch power source to connect constant-current control circuit more exactly, this method circuit form is simple, especially for the light fixture producer that lacks the design of electronics constant current technology, be a kind of simple method that realizes easily.But the Switching Power Supply volume is bigger, operating temperature range is narrow, especially maximum operating temperature can not surpass 50 ℃ usually, and the reliable operating temperature of LED need so just limit that power supply is installed in the luminaire body below 70 ℃, promptly enable to be installed in the lamp body, power can not be too big, generally is no more than 40W, and the above high-capacity LED light fixture of therefore common 100W adopts plug-in Switching Power Supply usually, bring great inconvenience for so again installation and waterproof, be unfavorable for the popularization of high-capacity LED illumination.
The applicant has submitted the application for a patent for invention that is entitled as " high-power LED lamp " on October 17th, 2008 to China Intellectual Property Office, and application number is 200810155880.4.A kind of high-power LED lamp is provided in this patent application: each the led light source place on the light fixture is provided with reflector, the recessed four rib truncated cone shape reflectors that this reflector is made up of four triangles or the trapezoidal reflector that falls, wherein the angle on two of reflector width reflectors and plane, led light source place is greater than two reflectors of length direction and the angle on plane, led light source place;
The reflecting effect of the reflector of this invention light fixture can form a rectangular illumination district, and because the angle on two reflectors of width and plane, led light source place is greater than two reflectors of length direction and the angle on plane, led light source place, so the long limit in this rectangular illumination district is consistent with trend of road; The minor face in this rectangular illumination district is consistent with the width of road; Can farthest illuminate the highway section at this street lamp post place, meet the needs of road lighting fully.
But the periphery of the formed surround of this high-power LED lamp---light field has gem-pure edge, that is, the illumination change curve of light field edge zone is very precipitous, and is bright dark clearly demarcated.This effect is a kind of defective in the illumination of street lamp, and it is unfavorable for that pedestrian or vehicle drive personnel see road clearly.
Summary of the invention
In order to overcome the above-mentioned deficiency of prior art, the purpose of this utility model provides the soft high-power LED street lamp fixture of a kind of light field periphery, the soft high-power LED street lamp fixture of this light field periphery can change into plug-in Switching Power Supply built-in, be installed in the luminaire body, and solve its heat dissipation problem simultaneously.The periphery of the formed light field of this lamp holder is very soft simultaneously, that is, the illumination change curve of light field edge zone is very mild, and a slow transition region from bright to dark is arranged.Make light fixture of the present utility model help the pedestrian or the vehicle drive personnel see road clearly at the illuminating effect of street lamp.
The scheme of finishing the foregoing invention task is: the soft high-power LED street lamp fixture of a kind of light field periphery, constitute by boxlike light fixture and mounting kit fixed connection, be provided with some led light sources in the front of this boxlike light fixture, and the circuit board of carrying led light source, led light source is connected with power supply circuits respectively, described led light source is arranged in matrix, and be provided with reflector at each led light source place, the recessed four rib truncated cone shape reflectors that this reflector is made up of four triangles or the trapezoidal reflector that falls, two reflectors of described reflector width and the angle on plane, led light source place are greater than two reflectors of length direction and the angle on plane, led light source place, it is characterized in that, the reflector of two row's length directions on being in boxlike light fixture two end lines is 40 °～50 ° with the angle on plane, led light source place, and being in the reflector of length direction of each recessed four rib truncated cone shape reflector of boxlike light fixture centre and the angle on plane, led light source place is 40 °～10 °.
Because it is bigger to be in the angle on the reflector of length direction of each the recessed four rib truncated cone shape reflector in the middle of the boxlike light fixture and plane, led light source place, the reflection angle of the light of length direction can be strengthened, make the illumination change of light field periphery produce very soft effect.
In the actual production, can all reflector connections is in aggregates, constitute the reflector of the whole interconnection system of aluminium sheet punch forming or plastic plate moulding.
The front of boxlike light fixture is meant the one side of sending illumination described in the above scheme;
The length direction of boxlike light fixture described in the above scheme is meant the direction of the street lamp post extended line on the light fixture, promptly vertical with trend of road direction;
The width of boxlike light fixture described in the above scheme is a direction vertical with above-mentioned length direction on the boxlike light fixture, promptly consistent with trend of road direction;
But should describe with the physical length of concrete light fixture irrelevant with width, that is, and the size of the what is called " width " of concrete light fixture can less than, more than or equal to the size of what is called " length direction ".
The application recommends: being in the reflector of length direction of each the recessed four rib truncated cone shape reflector in the middle of the boxlike light fixture and the angle on plane, led light source place is 30 °～10 °; Best angle is 25 °～20 °.
Being in the reflector of the row of two on boxlike light fixture two end lines length direction and the optimum angle on plane, led light source place is 45 °.
The utility model has overcome the above-mentioned deficiency of prior art, provide a kind of light field periphery soft high-power LED street lamp fixture, the illumination change curve that the soft high-power LED street lamp fixture of this light field periphery has been eliminated the light field edge zone at street lamp is very precipitous, bright dark clearly demarcated deficiency, illuminating effect helps the pedestrian or the vehicle drive personnel see road clearly.
Description of drawings
Fig. 1 is for adopting the reflecting cup structure schematic diagram of the stamping forming whole interconnection system of aluminium sheet;
Fig. 2 is the side view of Fig. 1.
The specific embodiment
Embodiment 1, the high-power LED street lamp fixture that the light field periphery is soft, constitute by boxlike light fixture and mounting kit fixed connection, be provided with some led light sources in the front of this boxlike light fixture, and the circuit board of carrying led light source, led light source is connected with power supply circuits respectively, and described led light source is arranged in matrix, and is provided with reflector at each led light source place.With reference to Fig. 1, Fig. 2: the recessed four rib truncated cone shape reflectors that this reflector 1 is made up of four triangles or the trapezoidal reflector that falls, two reflectors 2 of described reflector width and the angle on plane, led light source place are greater than two reflectors of length direction and the angle on plane, led light source place, the reflector 3-1 of two row's length directions on being in boxlike light fixture two end lines is 45 ° with the angle on plane, led light source place, and being in the reflector 3-2 of length direction of each recessed four rib truncated cone shape reflector of boxlike light fixture centre and the angle on plane, led light source place is 30 °.
Claims (5)
1, the soft high-power LED street lamp fixture of a kind of light field periphery, constitute by boxlike light fixture and mounting kit fixed connection, be provided with some led light sources in the front of this boxlike light fixture, and the circuit board of carrying led light source, led light source is connected with power supply circuits respectively, described led light source is arranged in matrix, and be provided with reflector at each led light source place, the recessed four rib truncated cone shape reflectors that this reflector is made up of four triangles or the trapezoidal reflector that falls, two reflectors of described reflector width and the angle on plane, led light source place are greater than two reflectors of length direction and the angle on plane, led light source place, it is characterized in that, the reflector of two row's length directions on being in boxlike light fixture two end lines is 40 °～50 ° with the angle on plane, led light source place, and being in the reflector of length direction of each recessed four rib truncated cone shape reflector of boxlike light fixture centre and the angle on plane, led light source place is 40 °～10 °.
2, the soft high-power LED street lamp fixture of light field periphery according to claim 1, it is characterized in that the reflector of the described length direction that is in each the recessed four rib truncated cone shape reflector in the middle of the boxlike light fixture and the angle on plane, led light source place are 30 °～10 °.
3, the soft high-power LED street lamp fixture of light field periphery according to claim 2, it is characterized in that the reflector of the described length direction that is in each the recessed four rib truncated cone shape reflector in the middle of the boxlike light fixture and the angle on plane, led light source place are 25 °～20 °.
4, according to claim 1 or the soft high-power LED street lamp fixture of 2 or 3 described light field peripheries, it is characterized in that being in the reflector of the row of two on boxlike light fixture two end lines length direction and the angle on plane, led light source place is 45 °.
5, the soft high-power LED street lamp fixture of light field periphery according to claim 4 is characterized in that described all reflectors connect in aggregates, constitutes the reflector of the whole interconnection system of aluminium sheet punch forming or plastic plate moulding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920039406U CN201382329Y (en) | 2009-04-10 | 2009-04-10 | Soft-lighting high-power LED street lamp around optical field |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920039406U CN201382329Y (en) | 2009-04-10 | 2009-04-10 | Soft-lighting high-power LED street lamp around optical field |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201382329Y true CN201382329Y (en) | 2010-01-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920039406U Expired - Fee Related CN201382329Y (en) | 2009-04-10 | 2009-04-10 | Soft-lighting high-power LED street lamp around optical field |
Country Status (1)
| Country | Link |
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| CN (1) | CN201382329Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10309588B2 (en) | 2016-08-11 | 2019-06-04 | Abl Ip Holding Llc | Luminaires with transition zones for glare control |
-
2009
- 2009-04-10 CN CN200920039406U patent/CN201382329Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10309588B2 (en) | 2016-08-11 | 2019-06-04 | Abl Ip Holding Llc | Luminaires with transition zones for glare control |
| US11060673B2 (en) | 2016-08-11 | 2021-07-13 | Abl Ip Holding Llc | Luminaires with transition zones for glare control |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100113 Termination date: 20120410 |