CN201407551Y - LED streetlight with adjustable reflector - Google Patents
LED streetlight with adjustable reflector Download PDFInfo
- Publication number
- CN201407551Y CN201407551Y CN2009200449528U CN200920044952U CN201407551Y CN 201407551 Y CN201407551 Y CN 201407551Y CN 2009200449528 U CN2009200449528 U CN 2009200449528U CN 200920044952 U CN200920044952 U CN 200920044952U CN 201407551 Y CN201407551 Y CN 201407551Y
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- reflector
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- street lamp
- lamp body
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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 discloses an LED streetlight with an adjustable reflector, which comprises a light body with a radiator, a rotating spindle component, a reflector diffuse plate, an LED module, a lens, and a constant-current drive power, wherein, the light body with the radiator is provided with a plurality of module mounting surfaces, and the module mounting surfaces are mounted with sets of lenses and LED modules; both sides of the light body edge are provided with the rotating spindle component, the reflector which is connected with the rotating spindle component is provided with one or aplurality of diffuse plates, the light body and the reflector diffuse plate are surrounded as a bow-shaped cavity body. Particularly, a semi-opening circular groove stretching the light body is movably hinged with a spindle rod of the diffuse plate, the function of adjusting elevation angle of the diffuse plate for the reflector is realized, thereby generating light of different light angles; thelight emitted by the LED light source is fully utilized, and the light is caused to meet the requirements of road lighting level and lighting uniformity.
Description
Technical field
The utility model relates to a kind of street lamp that is used to throw light on, and relates in particular to the LED street lamp of high-power and high-luminance light emitting diode as lighting source, is in particular a kind of LED street lamp that has tunable reflector, belongs to the semiconductor application lighting technical field.
Background technology
Existing numerous LED city illumination street lamp, city illumination LED street lamp is inevitable towards the trend that adopts the great power LED development, and minority is made the street lamp product of illuminator with great power LED owing to do not solve heat radiation and luminous intensity distribution problem well; The astigmatism of LED and optically focused control problem; Street lamp is in the equalization problem of illumination range, kenel and the illumination of road surface shadow surface; Photoelectric transformation efficiency is too low, so properties of product are also not fully up to expectations; High performance product price is high again, is difficult to popularize.
For more effective heat radiation, the volume that reduces lamp and production cost, lamp body must have rational radiator structure and light fixture is carried out rational luminous intensity distribution.Present road lighting conventional light source adopts the light-configuration mode of conventional light source to distribute, though conventional light source has higher light efficiency: sodium vapor lamp 100lm/W, Metal halogen lamp 80lm/W.But this class light source applications is in roads light the time, have only 50% only shine directly into the road surface, other only projects light fixture again by lamp reflector; And the reflector efficient of this type of light fixture only is 50%～60%, and Luminaire efficiency generally only has 70%.The reflector design difficulty is big, can't really satisfy the luminous intensity distribution demand, and ubiquity direct irradiation direction illumination is excessive, and in the too small problem of two lamp wiring infall illumination, and be unilateral illumination, will cause local light source to be wasted in the place of ambienting lighting like this; This not only causes the waste of the energy, also brings very big potential safety hazard to night running.Therefore, how making light arrive ground and distribute, meet road illumination, uniformity requirement, is a major subjects of this area research staff tackling key problem.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, a kind of LED street lamp that has tunable reflector is provided, utilize specific mechanical rotation compound mode, by adjusting the different angles of reflection of external reflector and lamp body, homogenising light distributes, and improves the utilization ratio of light, compare to the street lamp of tradition inconvenience control lighting angle, can reach the illuminating effect of equal requirement with smaller power, realize purpose of energy saving, reduce the cost of light fixture.
The purpose of this utility model can be achieved through the following technical solutions:
A kind of LED street lamp that has tunable reflector, comprise lamp body, led module, lens and the constant-current driving power supply of being with radiator, described lamp body is provided with plural module installed surface, and on each module installed surface complete lens and the led module of configuration, each led module is connected by lead with constant-current driving power supply, it is characterized in that: be provided with reflector in the lamp body both sides of edges, be furnished with at least one diffuse reflector on each reflector; Described lamp body and reflector diffuse reflector are movably hinged by half opening circular groove and the rotary main shaft assembly that is stretched by lamp body, surround an arc cavity.
Further, the aforementioned LED street lamp that has tunable reflector, wherein the rotary main shaft assembly comprises the diffuse reflector spindle rod, the diffuse reflector spindle rod embeds in the half opening circular groove of lamp body both sides, forms the hinges of adjusting angle between 0-90 °.And the place of being movably hinged of this diffuse reflector spindle rod and half opening circular groove is provided with the fixed angle part.
Further, the aforementioned LED street lamp that has tunable reflector, wherein lamp body is connected with light pole, constant-current driving power supply is disposed at light pole inside, and the lamp body of aluminium or copper alloy material has heat absorption soon, and thermal resistance is little, and it is smooth and easy to dispel the heat, the degree of protection height, the wing structure of fin-shaped that mechanical strength is good or aliform; This lens configuration is asymmetry exit facet structure at the light-emitting window of led module, adopts the die casting high molecule plastic, and the inboard is embedded with sealing ring around the lens; The diffuse reflector of this reflector is plane or curve form, and adopts aluminum alloy material surface vacuum plating reflectance coating, and wherein said reflectance coating is one of aluminium film, chromium film, nickel chromium triangle film; This led module quantity as light emitting source is 1～10 group, the large-power light-emitting diodes quantity of arranging on every group of led module is 6～30, and the luminous power of each light emitting diode is 1～5W, plural number divides optical diode longitudinally or annular or be array-like, by branch, be evenly distributed in the lamp body by the line combination.
Each led light source utilizes secondary optics (scioptics or the design of other optical accessories) that angle and the light distribution of LED are adjusted, after reaching wide batswing tab effect, by the adjustment of whole light source cavity, whole light fixture can be changed arbitrarily in the middle of light chopping light fixture and half light chopping light fixture.Utilize the guidance quality of its light can effectively control the distribution of light, making the led module emergent light is the rectangle shadow surface of a rule, and its shadow surface is wideer, and brightness increases, and the road surface irradiation evenly.
Implement the technical solution of the utility model, its beneficial effect is embodied in:
1. the distinctive optics light distributing system of LED street lamp.The rising angle of unique innovation is adjusted the one design, produce different angles of reflection by adjusting external reflector, it is very even that bright dipping is distributed, the distribution that can rationally control light makes hot spot rectangular, guarantee the desirable road surface brightness and the uniformity while, eliminated the dazzle of common high-power LED street lamp and the high-power LED street lamp efficiency of light energy utilization is performed to ultimate attainment;
2. have radiator and lamp housing integrated design.With whole shell of lamp base is radiator, the heat that led module is produced is directly transferred to the outside of lamp casing, air by free convection is directly taken away heat, need not the auxiliary heat dissipation of other means, has ensured that fully the high-power LED street lamp heat radiation requires and service life;
3. outward appearance is frivolous, shock-resistant, and seismic force is strong, the advantage that mechanical strength is good.High-power LED street lamp effectively reduces windage and weight, alleviates the load of lamp stand, strengthens safety coefficient, and maintenance cost is saved in for convenience detach and maintenance, makes maintenance work become very light;
4. extra long life is more than 30,000 hours.LED adopts the advanced packaging technology of high reliability--and eutectic welds, the module Reflow Soldering, has fully ensured the extra long life of high-power LED street lamp, is traditional sodium vapor lamp, Metal halogen lamp 5～10 times;
5. low pressure constant current, the safe green environmental protection.Each high-power LED street lamp module is carried out intelligent monitoring, and no matter electrical network all precisely constant currents of how fluctuating guarantee that LED works under safe current, and power consumption is few, and energy-saving effect is remarkable.
Description of drawings
Fig. 1 is the section of structure that the utility model has the LED street lamp of tunable reflector;
Fig. 2 is the enlarged diagram of A part among Fig. 1.
The implication of each Reference numeral is among the above figure:
1-lamp body, 2-rotary main shaft assembly, 3-reflector diffuse reflector, 4-LED module,
5-lens, 6-constant-current driving power supply, 7-fixed angle part, 11-half opening circular groove.
The specific embodiment
The utility model is from effectively utilizing light, make full use of the reflection of light principle, strengthen the angle of LED street lamp advantage, the LED street lamp is proposed to improve, the light that led light source is sent guides and reflexes to the zone that needs again, by the adjustment on the mechanical Composite Structure of Revolution, adjust the rising angle of light, adjust the side reflectors guiding curve according to width of roadway, the light that the directing LED light source sends covers width of roadway, thereby effectively illuminate road with smaller power, improved the illumination utilization rate of light fixture.
Below in conjunction with accompanying drawing technical solutions of the utility model are described in further detail:
As depicted in figs. 1 and 2, the LED street lamp that has tunable reflector is made up of lamp body 1, rotary main shaft assembly 2, reflector diffuse reflector 3, led module 4, lens 5, the constant-current driving power supply 6 of band radiator.The mode that lamp body 1 adopts stretching and die casting to combine; Reflector diffuse reflector 3 is arranged on lamp body 1 both sides, and lamp body 1 and reflector diffuse reflector 3 surround an arc cavity, and led module 4 places arc inside cavity, and the rotary main shaft assembly 2 of die casting can be realized the function at accommodation reflex device diffuse reflector 3 elevations angle.Reflector diffuse reflector 3 is rotationally connected fixing by rotary main shaft assembly 2, the diffuse reflector spindle rod embeds in the half opening circular groove 11 of lamp body 1 stretching, and the hinge of formation activity can be regulated between 0-90 ° arbitrarily, also can be bigger; After being adjusted to suitable angle, can utilize fixed angle part 7 set on it to lock.Arc inside cavity at this LED street lamp is provided with a plurality of module installed surfaces, and by different configurations 1～10 different led module 4 need be installed on the model installed surface; The light-emitting window of led module 4 disposes lens 5, and these lens 5 are asymmetry exit facet structure; Each led light source utilizes secondary optics (scioptics 5 or the design of other optical accessories) that angle and the light distribution of LED are adjusted, after reaching wide batswing tab effect, by three optics complementary design the whole light source cavity is adjusted again, whole light fixture can be changed arbitrarily in the middle of light chopping light fixture and half light chopping light fixture.Utilize the guidance quality of its light can effectively control the distribution of light, making led module 4 bright dippings is rectangular irradiated face of a rule, and its shadow surface is wideer, and brightness increases, and the road surface irradiation evenly.The lamp body 1 of this band radiator is connected with light pole, and the light pole internal configurations has constant-current driving power supply 6, is connected by lead with each led module 4.Lamp body 1 top is provided with radiator (wing of fin-shaped or aliform), the radiating effect of radiator depends primarily on the heat absorption and the Design of for heat sinks of radiator and thermal objects contact portion, the radiator that performance is outstanding, it is fast to have heat absorption, thermal resistance is little, it is smooth and easy to dispel the heat, degree of protection height, the advantage that mechanical strength is good.
The rotary main shaft assembly 2 that has the LED street lamp of tunable reflector comprises the half opening circular groove 11 that is stretched by lamp body 1 and embeds the spindle rod that is wherein extended by the reflector diffuse reflector that main material is a metal material.Rotary main shaft assembly 2 can utilize drawing process to extend arbitrarily in level in the direction on road surface, can increase the overall power of LED behind the lengthening, and it can be used for the road of number of different types, has solved the beauty function of light fixture adjustable size.
Housing main body radiator outer surface is made as fin-shaped or aliform, and be aluminium material or copper alloy material, the radiating effect of radiator depends primarily on the heat absorption and the Design of for heat sinks of radiator and thermal objects contact portion, for the heat that will absorb is transmitted on as much as possible the fin effectively, at the bottom of the heat absorption of led module 4 and the radiating fin crimping be integral, promptly the heat that absorbs from the LED group can be transmitted to the fin part rapidly, for, there is transverse heat transfer ability preferably at the end of absorbing heat,, there is enough thickness at the at first satisfied heat absorption end when design lamps, consider that simultaneously the mounting hole site of led module 4 carries out reinforcement, also strengthened the globality and the mechanical strength of light fixture.Because whole lamp body 1 and radiating fin top are exposed to aerial, and the direction of fin is to be parallel to road, the hot gas that distributes is consistent with airflow direction, and then is taken away smoothly and distributed by airflow flowing, with the fastest speed heat is distributed, so whole light fixture has heat absorption soon, thermal resistance is little, and it is smooth and easy to dispel the heat, and has guaranteed the heat dispersion of LED, reduce light decay, improved the reliability of high-power LED street lamp.
In addition, the guiding of light is to carry out the important step of LED street lamp.In order effectively to utilize light, should bring into play the advantage that the luminous tube direction of illumination is convenient to regulate and control, the light that luminous tube is sent forms a light belt and is layered on the road surface, and not scattering on invalid direction.Accomplish this point, structural way is to regulate lighting angle with multiple led module 4 combinations, each led light source utilizes secondary optics (scioptics 5 or the design of other optical accessories) that angle and the light distribution of LED are adjusted, but surplus light for the better utilization scattering, adopt three optical designs to replenish the optics deficiency, effectively improve optical efficiency, so increase the diffuse reflector of reflector in lamp body 1 both sides, the diffuse reflector of reflector adopts aluminum alloy material surface vacuum plating reflectance coating, preferred reflectance coating is the aluminium film, the chromium film, the nickel chromium triangle film, described reflector diffuse reflector is plane or curve form; Lamp body 1 and reflector surround an arc cavity, and led module 4 places arc inside cavity, and dispose adjustable frame for movement; , can between 0-90 °, regulate arbitrarily as movable hinge by lamp body 1 rotary main shaft assembly 2, also can be bigger, after being adjusted to suitable angle, can utilize top fixed angle part to lock.
According to actual power size needs, the quantity of every employed led module 4 assemblies of LED street lamp can be different, are generally 1～10 group.And, the quantity of the LED that arranges on every group of light-emitting diode component can not wait yet, they longitudinally or annular or be array-like, by branch, be uniformly distributed in the lens 5 by line combination, be generally 6～30, the power of LED is 1W～5W, can require to adjust the LED total quantity according to the total light flux of application during configuration.
LED is a kind of semiconductor product, needs to drive with low-voltage direct. therefore, this programme is selected constant-current driving power supply 6.Each light-emitting diode component is powered by the low-voltage direct constant current in the safe range, usually each constant-current supply can be given 10 light emitting diode power supplies at most, like this, can calculate the quantity of the low pressure constant-current supply that needs are equipped with according to the sum of the LED of light fixture configuration.
The lamp post structure of the technical program design is reasonable in design, easy to assembly, safe and reliable, and effectively improve the illuminating effect of light fixture: applicable to public places such as road, square, residential quarters, outdoor scene illuminations, application prospect is boundless.
More than by specific embodiment technical solutions of the utility model have been done to further specify, the example that provides only is an exemplary applications, can not be interpreted as a kind of restriction to the utility model claim protection domain.The utility model does not carry out any pro forma restriction, therefore, allly does relevant any modification of the present utility model or change in that identical utility model condition is following, all should be included within the utility model protection domain.
Claims (9)
1. the LED street lamp that has tunable reflector, comprise lamp body, led module, lens and the constant-current driving power supply of being with radiator, described lamp body is provided with plural module installed surface, and on each module installed surface complete lens and the led module of configuration, each led module is connected by lead with constant-current driving power supply, it is characterized in that: be provided with reflector in the lamp body both sides of edges, be furnished with at least one diffuse reflector on each reflector; Described lamp body and reflector diffuse reflector are movably hinged by half opening circular groove and the rotary main shaft assembly that is stretched by lamp body, surround an arc cavity.
2. the LED street lamp that has tunable reflector according to claim 1, it is characterized in that: described rotary main shaft assembly comprises the diffuse reflector spindle rod, the diffuse reflector spindle rod embeds in the half opening circular groove of lamp body both sides, forms the hinges of adjusting angle between 0-90 °.
3. the LED street lamp that has tunable reflector according to claim 1 and 2 is characterized in that: the place of being movably hinged of described diffuse reflector spindle rod and half opening circular groove is provided with the fixed angle part.
4. the LED street lamp that has tunable reflector according to claim 1, it is characterized in that: the lamp body of described metal material is connected with light pole, and constant-current driving power supply is disposed at light pole inside.
5. the LED street lamp that has tunable reflector according to claim 1 is characterized in that: described lens configuration is asymmetry exit facet structure at the light-emitting window of led module, adopts the die casting high molecule plastic, and the inboard is embedded with sealing ring around the lens.
6. the LED street lamp that has tunable reflector according to claim 1, it is characterized in that: the diffuse reflector of described reflector is plane or curve form, and adopt aluminum alloy material surface vacuum plating reflectance coating, wherein said reflectance coating is one of aluminium film, chromium film, nickel chromium triangle film.
7. the LED street lamp that has tunable reflector according to claim 1 is characterized in that: the lamp body of described aluminium or copper alloy material has the wing structure of fin-shaped or aliform.
8. the LED street lamp that has tunable reflector according to claim 1 is characterized in that: described led module quantity as light emitting source is 1～10 group, and the large-power light-emitting diodes quantity of arranging on every group of led module is 6～30.
9. the LED street lamp that has tunable reflector according to claim 8, it is characterized in that: the luminous power of described light emitting diode is 1～5W, plural number divides optical diode longitudinally or annular or be array-like, by branch, be evenly distributed in the lamp body by the line combination.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200449528U CN201407551Y (en) | 2009-05-22 | 2009-05-22 | LED streetlight with adjustable reflector |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200449528U CN201407551Y (en) | 2009-05-22 | 2009-05-22 | LED streetlight with adjustable reflector |
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| CN201407551Y true CN201407551Y (en) | 2010-02-17 |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012024878A1 (en) * | 2010-08-24 | 2012-03-01 | 浙江名芯半导体科技有限公司 | Modularized high-power led tunnel lamp |
| CN102913809A (en) * | 2011-08-02 | 2013-02-06 | 金鸿志光电科技(昆山)有限公司 | High-power projector lamp |
| CN103047570A (en) * | 2012-12-25 | 2013-04-17 | 宁波友康照明电器有限公司 | Led lamp |
| CN104633495A (en) * | 2014-12-16 | 2015-05-20 | 连立华 | LED fluorescent lamp |
| CN104763905A (en) * | 2015-04-20 | 2015-07-08 | 苏州汉瑞森光电科技有限公司 | Illumination scope adjustable LED illuminating lamp |
| EP2999920B1 (en) | 2012-05-15 | 2018-10-03 | Musco Corporation | Apparatus, method, and system for independent aiming and cutoff steps in illuminating a target area |
| CN108730879A (en) * | 2018-06-08 | 2018-11-02 | 宁波亿鑫诚电器有限公司 | Dim large power LED solar energy road lamp and light modulation application method |
| CN109323168A (en) * | 2018-09-30 | 2019-02-12 | 芯龙创新光电(昆山)有限公司 | A kind of outdoor type ground installation Projecting Lamp |
| CN110878920A (en) * | 2019-12-03 | 2020-03-13 | 深圳市联域光电有限公司 | LED wall lamp with adjustable light emitting angle |
-
2009
- 2009-05-22 CN CN2009200449528U patent/CN201407551Y/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012024878A1 (en) * | 2010-08-24 | 2012-03-01 | 浙江名芯半导体科技有限公司 | Modularized high-power led tunnel lamp |
| CN102913809A (en) * | 2011-08-02 | 2013-02-06 | 金鸿志光电科技(昆山)有限公司 | High-power projector lamp |
| CN102913809B (en) * | 2011-08-02 | 2015-06-24 | 金鸿志光电科技(昆山)有限公司 | High-power projector lamp |
| EP2999920B1 (en) | 2012-05-15 | 2018-10-03 | Musco Corporation | Apparatus, method, and system for independent aiming and cutoff steps in illuminating a target area |
| CN103047570A (en) * | 2012-12-25 | 2013-04-17 | 宁波友康照明电器有限公司 | Led lamp |
| CN104633495A (en) * | 2014-12-16 | 2015-05-20 | 连立华 | LED fluorescent lamp |
| CN104633495B (en) * | 2014-12-16 | 2018-02-16 | 连立华 | Led daylight lamp |
| CN104763905A (en) * | 2015-04-20 | 2015-07-08 | 苏州汉瑞森光电科技有限公司 | Illumination scope adjustable LED illuminating lamp |
| CN108730879A (en) * | 2018-06-08 | 2018-11-02 | 宁波亿鑫诚电器有限公司 | Dim large power LED solar energy road lamp and light modulation application method |
| CN109323168A (en) * | 2018-09-30 | 2019-02-12 | 芯龙创新光电(昆山)有限公司 | A kind of outdoor type ground installation Projecting Lamp |
| CN109323168B (en) * | 2018-09-30 | 2023-11-10 | 芯龙创新光电(昆山)有限公司 | Outdoor ground installation projecting lamp |
| CN110878920A (en) * | 2019-12-03 | 2020-03-13 | 深圳市联域光电有限公司 | LED wall lamp with adjustable light emitting angle |
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| Date | Code | Title | Description |
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| 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: 20100217 Termination date: 20120522 |