CN201992524U - Efficient heat dissipating LED (light-emitting diode) street lamp - Google Patents
Efficient heat dissipating LED (light-emitting diode) street lamp Download PDFInfo
- Publication number
- CN201992524U CN201992524U CN2010206601790U CN201020660179U CN201992524U CN 201992524 U CN201992524 U CN 201992524U CN 2010206601790 U CN2010206601790 U CN 2010206601790U CN 201020660179 U CN201020660179 U CN 201020660179U CN 201992524 U CN201992524 U CN 201992524U
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- China
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- lamp body
- shaft part
- light
- middle shaft
- led
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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
Abstract
The utility model relates to the technical field of LED street lamps, and provides an efficient heat dissipating LED street lamp. The cross section of a medial axis part of a lamp body of the LED street lamp is in the shape of a capital letter U; the two ends of the medial axis part of the U-shaped lamp body are symmetrically expanded towards the outer side of the U-shaped lamp body to form extension edges; the medial axis part of the U-shaped lamp body is connected with the two extension edges of the medial axis part of the U-shaped lamp body through connecting bodies to form a main body of the lamp body; the two sides of the medial axis part of the U-shaped lamp body form an included angle of about 60 DEG; LED sheet light sources are mounted on the outer side walls on the two side edges of the medial axis part of the U-shaped lamp body; light reflecting boards are mounted on the extension edges of the main body of the lamp body correspondingly to the LED sheet light sources; heat dissipating teeth for increasing the heat dissipating area are evenly formed on the two side edges and the extension edges of the medial axis part of the U-shaped lamp body; a power source component is arranged in a power source cover; and the power source cover is buckled at the medial axis part of the U-shaped lamp body. The LED street lamp using a one-time light distribution structure has the advantages that the loss of light is minimized, the production cost of the lamp is reduced, the irradiation of the light is directive, the irradiation range of the light is expanded, and the uniformity of illuminance is improved; and besides, heat of the light sources and heat of the power source are dissipated in a separated manner, thereby greatly improving the heat dissipating effect of the lamp.
Description
Technical field
The utility model relates to LED street lamp technical field, and the radiator structure that is specifically related to the LED street lamp improves.
Background technology
The LED lamp is the product of new science and technology, compares with existing fluorescent lamp, has advantage energy-conservation, that light efficiency is high, radiationless and life-span is long, and the LED lamp is applied to various places widely, comprises the indoor and outdoor public illumination of household.And high-powered LED lamp is the important member in the LED lamp, it has obtained at aspects such as indoor and outdoor decoration, traffic indication, outdoor advertisings using more widely, particularly high-powered LED lamp is applied as street lamp, has more embodied the superiority of LED with respect to existing fluorescent lamp.
Existing LED road lamp great majority are manufactured the commercial city and are adopted flat light fixture and conventional lamp as road lamp, led light source is installed in the horizontal plane of light fixture below, the light fixture of this structure does not meet the characteristics of luminescence of led light source itself, this light fixture itself does not have lighting angle and luminous intensity distribution design, make the light of light emitted not have direction of illumination, influence the range of exposures and the uniformity of illuminance of light, make to be shone between road surface street lamp and the street lamp to form blanking bar.Carry out secondary light-distribution if adopt, filter constantly will increase cost because will be increased on led chip, and the light loss meeting of light source reaches 5% to 8%, so the light fixture of this structure has not only increased the loss that manufacturing cost has caused light again, so this light fixture haves much room for improvement.
Existing high-power LED street lamp the biggest problem is the temperature rise difficult ， You Shi-hyun light that dispels the heat, and lamp life is short.Most of producers utilize forced heat radiation modes such as radiator, fan, finally can not solve root problem.For general high-capacity LED, it is very important for the luminous efficacy of LED wick sheet to dispel the heat, if poor heat radiation will have a strong impact on its light output usefulness.
The utility model content
Technical problem to be solved in the utility model provides a kind of high-efficiency heat radiating LED street lamp, this LED street lamp makes the loss of light drop to minimum with disposable light distribution structure, has reduced the light fixture production cost, also makes the irradiation of light that directionality is arranged simultaneously, enlarge the range of exposures of light, improve uniformity of illuminance; This LED street lamp carries out the branch discrete heat to the heat of the heat of light source and power supply, has improved radiating effect greatly.
For solving the problems of the technologies described above, the technical scheme that the utility model is taked is:
A kind of high-efficiency heat radiating LED street lamp, comprise lamp body, be contained in the LED sheet laser on the lamp body and be connected power supply module on the lamp body, lamp body middle shaft part cross section is the capital U shape, the two ends symmetry of U-shaped lamp body middle shaft part launches to form extension edge laterally, U-shaped lamp body middle shaft part and two extension edges thereof are connected by connector and form the lamp body main body, the dual-side of U-shaped lamp body middle shaft part becomes the angle of 55～65 degree, described LED sheet laser is installed on the lateral wall of dual-side of U-shaped body lamp body middle shaft part, on the extension edge of lamp body main body reflector is installed corresponding to the LED sheet laser.
In order to strengthen radiating effect, technique scheme is optimized improvement, on the dual-side of U-shaped lamp body middle shaft part and extension edge, evenly be provided with the radiation tooth that increases area of dissipation, power supply module is located in the power supply lid, the power supply lid is fastened on the U-shaped lamp body middle shaft part, power supply lid and the gap that is provided with at the fastening place of U-shaped lamp body middle shaft part as heat dissipation channel.The lamp body two ends are connected with end cap, have radiating groove on the end cap.
The utility model has following remarkable result compared to existing technology:
1, the LED light fixture that provides of this programme can be realized light distribution structure fully without secondary light-distribution, enlarges the range of exposures of light, improves uniformity of illuminance, realizes that the perfection of light is worth.Two groups of different LED sheet lasers 1 are installed according to the angle of setting, and two groups of LED sheet lasers form the angle of about 60 degree, can reach lighting angle 120 degree.This structure can change the curvature of illumination, the projecting direction of focal length and light, and in this process, the loss of light is that the emblem is little, makes the range of exposures expansion of light and keeps best uniform luminance.This LED lamp installation at 8 rice lamp bar Shang ， Transverse to range of exposures＞36 meter, center illumination 38lx, minimal illumination 12lx, average illumination 24lx, uniformity of illuminance＞0.6, unshadowed fully between lamp stand and the lamp stand, the whole light efficiency of LED street lamp is got a promotion.
2, two heaters of led light source and power supply are isolated fully in this programme, and two heater subregions are independently dispelled the heat, and can effectively heat be discharged the operating temperature that makes whole lamp by the heat dissipation wind channel of particular design and remain on below 55 degree, and light fixture is prolonged service life.
3, the utility model designs radiation tooth in lamp body central authorities; utilize the power supply lid of particular design configuration to protect radiation tooth; make the radiation tooth place not have rubbish and dust, can guarantee natural convection air, can exempt from out often will clean rubbish and left dirt on the radiation tooth.
Description of drawings
Fig. 1 is the utility model perspective view;
Fig. 2 is the structural representation that is connected with the power supply lid on the utility model lamp body;
Fig. 3 is the get on structural representation of power down source lid of the utility model lamp body;
Fig. 4 is a cross section structure schematic diagram of the present utility model.
The specific embodiment
For the ease of those skilled in the art's understanding, the utility model structural principle is further described in detail below in conjunction with specific embodiment and accompanying drawing.
Referring to Fig. 1～4, a kind of high-efficiency heat radiating LED street lamp comprises lamp body, is contained in the LED sheet laser 1 on the lamp body and the power supply lid that power supply module is installed 21 that is connected on the lamp body is formed.
Lamp body middle shaft part cross section is the capital U shape; the two ends symmetry of U-shaped lamp body middle shaft part launches to form extension edge 11 laterally; U-shaped lamp body middle shaft part and two extension edges 11 thereof are connected by connector and form the lamp body main body; the connector that connects U-shaped lamp body middle shaft part and two extension edges thereof is an arc safety glass 7, and the Bright Source Protection light source that adopts safety glass to cover in the lamp body is contaminated.
The angles of 10 one-tenth 60 of the dual-sides of U-shaped lamp body middle shaft part degree in the present embodiment, described LED sheet laser 1 are installed on the lateral wall of dual-side 10 of U-shaped body lamp body middle shaft part, corresponding to the LED sheet laser reflector 3 are installed on the extension edge of lamp body main body.Reflector 3 can be with ground, center under the unnecessary smooth reflected back light fixture of LED sheet flare emission.
This lamp distribution structure is installed two groups of different LED sheet lasers 1 according to the angle of setting, two groups of LED sheet lasers form the angle of about 60 degree, can reach lighting angle 120 degree.This structure can change the curvature of illumination, the projecting direction of focal length and light, and in this process, the loss of light is small, makes the range of exposures expansion of light and keeps best uniform luminance.
Heat radiation for the benefit of evenly is provided with the radiation tooth 4 that increases area of dissipation on the dual-side 10 of the U-shaped lamp body middle shaft part that the LED sheet laser is installed and extension edge 11 thereof.Power supply module is located in the power supply lid 21, and the power supply lid is fastened on the U-shaped lamp body middle shaft part, power supply lid 21 and the gap 5 that is provided with at the fastening place of U-shaped lamp body middle shaft part as heat dissipation channel.Also be provided with radiation tooth for increasing heat radiation power supply cover outer wall.This structural design makes that led light source and two heaters of power supply are isolated fully, and two heater subregions are independently dispelled the heat, thereby reduces the influence of the heat of light source works generation to the power work environment.In addition,, can effectively heat be discharged, the operating temperature of whole lamp is remained on below 55 degree, light fixture is prolonged service life by the gap 5 formed heat dissipation wind channels of particular design.
The present embodiment light fixture designs radiation tooth 4 in lamp body central authorities; utilize 21 pairs of radiation tooths of power supply lid of particular design configuration to protect; make radiation tooth 4 places not have rubbish and dust, can guarantee natural convection air, can exempt from out often will clean rubbish and left dirt on the radiation tooth.
This LED lamp body two ends are connected with end cap, and the effect of end cap 6 is waterproof and dustproofs, and make light fixture be connected with the installation of lamp stand.Be further to improve radiating efficiency, have radiating groove 61 on also at end cap 6.
The foregoing description only is a preferred implementation of the present utility model, and in addition, the utility model can also have other implementations.That is to say that under the prerequisite that does not break away from the present utility model design, any conspicuous replacement all should fall within the protection domain of the present utility model.
Claims (4)
1. high-efficiency heat radiating LED street lamp, comprise lamp body, be contained in the LED sheet laser (1) on the lamp body and be connected power supply module on the lamp body, it is characterized in that: lamp body middle shaft part cross section is the capital U shape, the two ends symmetry of U-shaped lamp body middle shaft part launches to form extension edge (11) laterally, U-shaped lamp body middle shaft part and two extension edges thereof are connected by connector and form the lamp body main body
The dual-side (10) of U-shaped lamp body middle shaft part becomes the angles of 55～65 degree, and described LED sheet laser is installed on the lateral wall of dual-side of U-shaped body lamp body middle shaft part, corresponding to the LED sheet laser reflector (3) is installed on the extension edge of lamp body main body.
2. new efficient heat dissipation LED road lamp according to claim 1, it is characterized in that: evenly be provided with the radiation tooth (4) that increases area of dissipation on the dual-side (10) of U-shaped lamp body middle shaft part and the extension edge (11), power supply module is located in the power supply lid (21), the power supply lid is fastened on the U-shaped lamp body middle shaft part, power supply lid and the gap (5) that is provided with at the fastening place of U-shaped lamp body middle shaft part as heat dissipation channel.
3. new efficient heat dissipation LED road lamp according to claim 2, it is characterized in that: the lamp body two ends are connected with end cap, have radiating groove (61) on the end cap (6).
4. new efficient heat dissipation LED road lamp according to claim 3, it is characterized in that: the connector of described connection U-shaped lamp body middle shaft part and two extension edges thereof is arc safety glass (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206601790U CN201992524U (en) | 2010-12-15 | 2010-12-15 | Efficient heat dissipating LED (light-emitting diode) street lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206601790U CN201992524U (en) | 2010-12-15 | 2010-12-15 | Efficient heat dissipating LED (light-emitting diode) street lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201992524U true CN201992524U (en) | 2011-09-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206601790U Expired - Fee Related CN201992524U (en) | 2010-12-15 | 2010-12-15 | Efficient heat dissipating LED (light-emitting diode) street lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201992524U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102102837A (en) * | 2010-12-15 | 2011-06-22 | 东霖电子（惠州）有限公司 | Efficient heat dissipation LED (light emitting diode) street lamp |
| CN103453492A (en) * | 2012-05-29 | 2013-12-18 | 海洋王照明科技股份有限公司 | High-efficiency radiating light-emitting diode (LED) aluminum substrate and lamp |
-
2010
- 2010-12-15 CN CN2010206601790U patent/CN201992524U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102102837A (en) * | 2010-12-15 | 2011-06-22 | 东霖电子（惠州）有限公司 | Efficient heat dissipation LED (light emitting diode) street lamp |
| CN103453492A (en) * | 2012-05-29 | 2013-12-18 | 海洋王照明科技股份有限公司 | High-efficiency radiating light-emitting diode (LED) aluminum substrate and lamp |
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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: 20110928 Termination date: 20121215 |