CN202040682U - High-power LED (light-emitting diode) illumination device of street lamp - Google Patents
High-power LED (light-emitting diode) illumination device of street lamp Download PDFInfo
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- CN202040682U CN202040682U CN2011200858029U CN201120085802U CN202040682U CN 202040682 U CN202040682 U CN 202040682U CN 2011200858029 U CN2011200858029 U CN 2011200858029U CN 201120085802 U CN201120085802 U CN 201120085802U CN 202040682 U CN202040682 U CN 202040682U
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- street lamp
- power 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 provides a high-power LED illumination device of a street lamp, which belongs to the technical field of illumination and particularly relates to the field of semiconductor white light illumination. The high-power LED illumination device of the street lamp consists of a high-power LED lamp bead (1), a heat-dissipation base plate and fin (2), an LED constant current drive circuit group (3), an aspheric light extraction lens (4), a shell (5), a photosensitive diode (6), an external mains supply plug (7), a waterproof rubber sleeve (8), an external fixed screw (9) and a reflective bowl (10); and the high-power LED illumination device for the street lamp adopts the characteristics of overall heat dissipation, shunt driving, aspheric light extraction and the like, has the characteristics of good heat-dissipation effect, stable driving and high light emitting efficiency, and is suitable for illumination of the street lamp.
Description
Technical field
The utility model provides a kind of high-power LED street lamp lighting device, belongs to lighting technical field, especially relates to semiconductor white light solid state lighting field.
Background technology
At present mainly contain two kinds of halogen tungsten lamp and high-pressure mercury lamps as the device of street lighting, halogen tungsten lamp mainly is to add the halogen of trace or halide and the electric light source made in the filling inert gas of incandescent lamp, also belong to a kind of of incandescent lamp, at high temperature, the tungsten filament and the halogen of evaporation carry out chemical action, and the tungsten of evaporation can be set on the tungsten filament again, form the circulation of balance, avoid the tungsten filament premature failure, so halogen tungsten bulb is more long-lived than incandescent lamp; But the luminous efficiency of halogen tungsten lamp and luminous intensity are not high.High-pressure mercury lamp is a kind of high-strength gas discharge bulb, because being heated sodium, the mercury in the pipe and evaporating, the high temperature action of electric arc becomes mercury vapour and sodium vapor, the electricity of emission of cathode is in the anode motion process, the bump discharging substance has atom, making it obtain energy generation ionization excites, be returned to stable state by excitation state then, unnecessary energy discharges with the form of light radiation.The high-pressure mercury lamp glow color is yellow, colour temperature and colour rendering index all lower (being about about 20).
Adopt the colour temperature of high-power LED light source illuminating lamp to select flexibly between 4000-7000K, colour rendering index can reach more than 80, and the lamp luminescence color more approaches natural daylight.LED lamp light source utilization rate height is about 90%LED led lighting angle and can be consistent with the lighting angle of light fixture, so the most appointed area that only shines directly into of light fixture, has only seldom that a part is by reflection, so light source utilization rate height.There is not the startup latency issue in the LED lamp, can connect at any time, works at any time, can realize intelligent Energy Saving Control easily.
Summary of the invention
The purpose of this utility model is to provide a kind of large power white light LED street lighting device.This device adopts integral heat sink, drive along separate routes and aspheric surface is got characteristics such as light, has good heat dissipation effect, drives characteristics such as stable and light extraction efficiency height, and simple in structure, running is stable.
The utility model is achieved through the following technical solutions:
Form by large-power LED light bead (1), heat-radiating substrate and fin (2), LED constant-current drive circuit group (3), aspheric surface viewing glass (4), shell (5), photodiode (6), external city plug (7), water proof rubber cover (8), external stability screw (9) and reflector (10); Large-power LED light bead (1) divides three the tunnel to adopt parallel way, be positioned at aspheric surface viewing glass (4) back, be connected in series photodiode (6) between LED constant-current drive circuit group (3) and the large-power LED light bead (1), reflector (10) and the seamless splicing of aspheric surface viewing glass (4) are in aggregates; High-power LED street lamp lighting device of the present utility model adopts integral heat sink, shunt to drive and aspheric surface is got characteristics such as light, has good heat dissipation effect, drives stable and the high characteristics of light extraction efficiency, is suitable for street lighting.
Described a kind of high-power LED street lamp lighting device is characterized in that: adopt large power white light LED as light source, the power bracket of large power white light LED is 1W～10W.
Described a kind of high-power LED street lamp lighting device is characterized in that: adopt driving, LED cross arrangement mode along separate routes, the scope of branch way is 2 the tunnel～10 the tunnel, and every road power bracket is 5w～20w.
Described a kind of high-power LED street lamp lighting device is characterized in that: all LED are integrated on the monoblock fin by aluminium base.
Described a kind of high-power LED street lamp lighting device is characterized in that: adopt non-spherical lens to realize the rectangular light spot illumination of whole street lamp, the material of non-spherical lens is lucite or acrylic resin.
Described a kind of high-power LED street lamp lighting device, it is characterized in that: fin adopts aluminum or aluminum alloy as the heat radiation material, the fin substrate thicknesses range is 5mm～10mm, the fin thickness range is 0.5mm～2mm, fin sheet spacing range is 5mm～20mm, and fin leaf length excursion is 20mm～50mm.
Connect mains-supplied by external city plug (7), carry out electric current, voltage transitions marquis by LED constant-current drive circuit group (3), by photodiode (6) acquisition environment brightness, when environmental light brightness is lower than setting value, photodiode (6) conducting, LED constant-current drive circuit group (3) drives great power LED (1), makes it luminous.The light that great power LED (1) sends is got the outgoing of the beam shaping realization rectangular light spot of optical lens (4) through aspheric surface.Light being reflected in towards the irradiation of bottom of device direction through reflector (10) through getting optical lens (4) outgoing, the light that realization utilizes LED to send to greatest extent.The heat that great power LED (1) produces when energising is realized integral heat sink by the heat sink (2) that directly contacts with external environment condition, prevents that the overheated LED of the causing luminous efficiency of high-power LED chip from reducing.
Operation principle of the present utility model is: utilize LED constant-current drive circuit group to realize that the constant current of great power LED drives, realize the optimization of LED luminous efficiency, the reflection of getting polishing shape and reflector of getting optical lens by aspheric surface realizes that the hot spot that great power LED sends forms rectangular light spot and maximum using.Adopt the external mode of integral heat sink sheet to realize the heat radiation of this device.
Description of drawings
Fig. 1 is the schematic diagram of high-power LED street lamp lighting device
Fig. 2 is the heat radiating device for high-power LED street lamp schematic diagram
Fig. 3 is the wiring schematic diagram of great power LED
Fig. 4 is the device schematic diagram that aspheric surface is got optical lens
Fig. 5 is a high-power LED street lamp lighting device output intensity curve map
The specific embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is further described:
Referring to accompanying drawing 1, a kind of high-power LED street lamp lighting device.It is configured to: be made of large-power LED light bead (1), heat-radiating substrate and fin (2), LED constant-current drive circuit group (3), aspheric surface viewing glass (4), shell (5), photodiode (6), external city plug (7), water proof rubber cover (8) and external stability screw (9).
The power consumption power of great power LED tunnel illumination device is 120 watts in this example, adopt 60, every to be that 2 watts large power white light LED is as light source, adopt 6 loop cross wire modes, power in series connection connection mode in every loop, even wherein riches all the way gives birth to short circuit or open circuit, other loops still can be normally luminous; Also can carry out the multiloop power supply mode as required, more help when line short and opening circuit causes partial L ED to lose efficacy, device still can work on.LED arrange and wire laying mode as shown in Figures 2 and 3.The aspheric surface luminous lens adopts glass or lucite or acrylic material to make, and shape as shown in Figure 4.For each loop, the constant current Drive and Control Circuit of great power LED that adopts this example realizes the constant current control of 10 high-power LED chips, realize that (electric current that every LEDs chip bears and voltage are 700mA ± 10mA to the driving of its constant current and constant voltage, at the full voltage input range from 90VAC to 265VAC, under the 220v input condition, single LEDs electric current, scope range of the fluctuation of voltage are less than ± 5%, and busbar voltage fluctuates less than ± 2%.)。Fig. 5 is a high-power LED street lamp lighting device output intensity curve map.Every LEDs average intensity is 140 lumens, the hot spot figure of outgoing hot spot as shown in the figure when 10 meters height shine ground, and substrate presents the rectangular light spot shape.It is in the basic evenly distribution of irradiation area half width light distribution shown in the light intensity curve, and total light intensity is about 8400 lumens under 120 watts of situations of power consumption.
Claims (6)
1. a high-power LED street lamp lighting device is characterized in that: be made up of large-power LED light bead (1), heat-radiating substrate and fin (2), LED constant-current drive circuit group (3), aspheric surface viewing glass (4), shell (5), photodiode (6), external city plug (7), water proof rubber cover (8), external stability screw (9) and reflector (10); Large-power LED light bead (1) divides three the tunnel to adopt parallel way, be positioned at aspheric surface viewing glass (4) back, be connected in series photodiode (6) between LED constant-current drive circuit group (3) and the large-power LED light bead (1), reflector (10) and the seamless splicing of aspheric surface viewing glass (4) are in aggregates.
2. a kind of high-power LED street lamp lighting device according to claim 1 is characterized in that: adopt large power white light LED as light source, the power bracket of large power white light LED is 1W～10W.
3. a kind of high-power LED street lamp lighting device according to claim 1 is characterized in that: adopt driving, LED cross arrangement mode along separate routes, the scope of branch way is 2 the tunnel～10 the tunnel, and every road power bracket is 5w～20w.
4. a kind of high-power LED street lamp lighting device according to claim 1 is characterized in that: all LED are integrated on the monoblock fin by aluminium base.
5. a kind of high-power LED street lamp lighting device according to claim 1 is characterized in that: adopt non-spherical lens to realize the rectangular light spot illumination of whole street lamp, the material of non-spherical lens is lucite or acrylic resin.
6. a kind of high-power LED street lamp lighting device according to claim 1, it is characterized in that: fin adopts aluminum or aluminum alloy as the heat radiation material, the fin substrate thicknesses range is 5mm～10mm, the fin thickness range is 0.5mm～2mm, fin sheet spacing range is 5mm～20mm, and fin leaf length excursion is 20mm～50mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200858029U CN202040682U (en) | 2011-03-25 | 2011-03-25 | High-power LED (light-emitting diode) illumination device of street lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200858029U CN202040682U (en) | 2011-03-25 | 2011-03-25 | High-power LED (light-emitting diode) illumination device of street lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202040682U true CN202040682U (en) | 2011-11-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200858029U Expired - Fee Related CN202040682U (en) | 2011-03-25 | 2011-03-25 | High-power LED (light-emitting diode) illumination device of street lamp |
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| Country | Link |
|---|---|
| CN (1) | CN202040682U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI614447B (en) * | 2015-03-05 | 2018-02-11 | 詹華勳 | Light apparatus |
-
2011
- 2011-03-25 CN CN2011200858029U patent/CN202040682U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI614447B (en) * | 2015-03-05 | 2018-02-11 | 詹華勳 | Light apparatus |
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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: 20111116 Termination date: 20120325 |