CN102635820B - LED (light emitting diode) street lamp - Google Patents
LED (light emitting diode) street lamp Download PDFInfo
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- CN102635820B CN102635820B CN2012101241059A CN201210124105A CN102635820B CN 102635820 B CN102635820 B CN 102635820B CN 2012101241059 A CN2012101241059 A CN 2012101241059A CN 201210124105 A CN201210124105 A CN 201210124105A CN 102635820 B CN102635820 B CN 102635820B
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- led
- radiating block
- silica gel
- street lamp
- pcb board
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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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Abstract
The invention relates to the field of lighting lamps, and discloses an LED (light emitting diode) street lamp. The LED street lamp comprises an aluminium shell, a support, a power source and multiple modules, wherein the aluminium shell comprises two arc-like fixed pieces, a beam and a dust-blocking cover; and the dust-blocking cover is provided with two parallel square holes, the power source connected with the modules is positioned in the arc-like fixed pieces, and a water seepage gap is reserved between the adjacent modules. The LED street lamp has the advantages of novel structure, good heat dissipation effect, long service life, reasonable modular structure, and the same sending direction of forced light rays.
Description
Technical field
The present invention relates to field of illuminating lamps, relate in particular to a kind of LED street lamp.
Background technology
Energy shortage is the hot issue of the world today, and in illuminating industry, led light source is because multiple advantages such as its efficient, energy-saving and environmental protection, long-life are to replace the energy consumption height, the first-selection of the traditional lighting that the life-span is short.The LED street lamp is used widely, module is most important parts in the LED street lamp, it mainly comprises radiating block, pcb board, lens and a plurality of LED, pcb board is installed on the radiating block, the light transmission lens that LED sends penetrate, and the heat that LED work produces reaches radiating block by pcb board and dissipates fast.In order to keep strengthening the water-tight of LED, also the silica gel waterproof sealing gasket can be set between LED and lens, a plurality of through holes are set on the silica gel waterproof sealing gasket, the position of through hole is with corresponding with a plurality of LED couplings on the pcb board with quantity, be that LED just passes the through hole on the silica gel waterproof sealing gasket, the printing opacity that through hole does not namely influence LED can tighten LED again, and has played the effect of water-tight.But still there are many weak points in existing LED street lamp: 1. radiating effect is poor, causes service life short; 2. modular structure is single, part of module is not suitable for street lamp, the cavity volume shape that specifically is the lens in the module all is hemispherical or the circular arc of rule, LED send only himself being that mid point is symmetric hot spot, therefore this class light fixture is not suitable as the light source that use on the road surface, because street lamp generally is mounted in a side of road on highway, symmetric hot spot makes the utilization rate of light low, and the light source that uses on the road is preferably forced toward a direction luminous; 3. the silica gel waterproof sealing gasket unreasonable structure in the module, specifically be to produce a large amount of heats after the LED work to make the silica gel waterproof sealing gasket produce distortion, through hole on the silica gel waterproof sealing gasket is to the chucking effect meeting variation of LED, the part of silica gel waterproof sealing gasket is blocked the light that LED sends easily, namely influence the luminous efficiency of LED, can be subjected to displacement the effect that also will influence its water-tight after the distortion of silica gel waterproof sealing gasket.
Summary of the invention
The objective of the invention is provides a kind of novel structure in order to overcome the deficiency that existing LED street lamp exists, good heat dissipation effect, and modular structure is rational in infrastructure, the LED street lamp of a direction of the light intensity of sending ray processed.
In order to realize the foregoing invention purpose, the present invention has adopted following technical scheme:
A kind of LED street lamp comprises aluminium shell, support, power supply and a plurality of module, and a plurality of modules are installed in parallel on the aluminium shell; Aluminium shell comprises two arc fixtures, crossbeam and screening dust hood, crossbeam and screening dust hood all are fixed between two arc fixtures, and hide the top that dust hood is in the aluminium shell back side, hide dust hood and be provided with two parallel square openings, the power supply that links to each other with module is in the arc fixture, leaves the infiltration gap between the adjacent block; Described module comprises radiating block, heat transfer sheet, pcb board, a plurality of LED, silica gel sealing water proof ring, lens and fixture from top to bottom successively, and pcb board is fixed on the radiating block, and heat transfer sheet is between radiating block and the pcb board, and a plurality of LED are fixed on the pcb board; The middle part of silica gel sealing water proof ring is provided with a square through hole that passes for all LED, and the square through hole of silica gel sealing water proof ring and the waterproof main body between the outer ledge are provided with the fixture installing hole; The outer contour shape coupling of pcb board, silica gel sealing water proof ring and lens, fixture passes the fixture installing hole on lens and the silica gel sealing water proof ring and lens, silica gel sealing water proof ring and pcb board is fixed on the radiating block, radiating block is fixed on the aluminium shell, the top of radiating block is the fin that many parallel longitudinals are arranged, and the radiating block top also is provided with the heat radiation mounting interface; Described support comprises interconnective fixed support and travel(l)ing rest, it is inverted U-shaped that fixed support is, two free ends of inverted U-shaped fixed support bottom pass square opening and are in the shell, and fixedly connected with the heat radiation mounting interface at radiating block top, inverted U-shaped fixed support top is in the outside of shell and connects travel(l)ing rest; Described lens are made of installing plate and a plurality of light control volumes of being connected as a single entity with it, the outer contour shape coupling of the outer contour shape of installing plate and pcb board and silica gel sealing water proof ring; A plurality of LED couplings on the position of a plurality of light control volumes and the pcb board are corresponding, and the light control volume forms the cavity volume that holds LED of downward protrusion, pass bottom the LED in the cavity volume that the silica gel sealing water proof ring stretches into the light control volume; The medial surface of described light control volume is light entrance face, and lateral surface is light-emitting face, and light entrance face and light-emitting face are the curved surface of non-regular shape.
As preferably, the outline of described pcb board, silica gel sealing water proof ring and lens is square; Described fixture is screw; Light entrance face and light-emitting face are free form surface.
As preferably, the thickness between described light control volume medial surface and the lateral surface is between 1.5MM-5MM, and the focal length of the cavity volume of light control volume is between 4-4.5MM.
As preferably, described heat transfer sheet is graphite flake, and fin and heat radiation mounting interface all are connected as a single entity with radiating block, and radiating block is that thermal conductivity is the fine aluminium radiating block of 237W/mK, and radiating effect is better.
As preferably, the both sides, front and back at described crossbeam top are respectively equipped with draw-in groove, and the both sides, front and back that hide dust hood are fixing in the draw-in groove of stemple respectively, install more firm.
As preferably, described light control volume be light transmittance more than 98%, heatproof is at the PC material more than 140 ℃, the utilization rate height of light, production cost is also low, the medial surface of installing plate is through the sand processing, prevents from occurring by refraction repeatedly the situation of dazzle.
As preferably, described screening dust hood cross section is curved, and two parallel square openings are symmetrical arranged before and after the center line at the top that hides dust hood, and square opening not only is used for mounting bracket and also is used for heat radiation, and said structure more is conducive to the speed accelerating to dispel the heat.
By a kind of LED street lamp of technique scheme design, the aluminium shell novel structure, firmness is good, and has the fast effect of radiating rate; Hide dust hood and be provided with two parallel square openings, square opening not only is used for mounting bracket and also is used for heat radiation, especially rainwater enters in the aluminium shell by square opening and oozes out by the infiltration gap between the adjacent block, and module can be not impaired by the silica gel sealing water proof ring sealing of special construction, the process that rainwater passes through can also play cool effect to module and housing, has also improved radiating effect.Support comprises interconnective fixed support and travel(l)ing rest, two free ends of inverted U-shaped fixed support bottom pass square through hole fixedlys connected with the heat radiation mounting interface at radiating block top, inverted U-shaped fixed support plays the effect that connects and dispel the heat, inverted U-shaped support bracket fastened structure and connected mode have guaranteed that namely the firmness that is connected and installed has certain space interval again, can dispel the heat fast, the outer travel(l)ing rest of shell can be changed arbitrarily at different environment, increases the scope of using.Light entrance face and light-emitting face are the curved surface of non-regular shape, namely by the refraction effect of light on two curved surfaces, reach the purpose of control light trend, thereby obtaining required light distributes, can carry out independent control at the light of diverse location on the curved surface, it is reflected to desired direction direction of the light intensity of namely sending ray processed.In sum, the advantage of this LED street lamp is novel structure, the good heat dissipation effect long service life, and modular structure is rational in infrastructure, direction of the light intensity of sending ray processed.
Description of drawings
Fig. 1: LED lamp post structure schematic diagram of the present invention.
Fig. 2: LED lamp post structure schematic diagram of the present invention.
Fig. 3: the blast structural representation of module in the LED street lamp of the present invention.
Fig. 4: the structural representation of light control volume in the LED street lamp of the present invention.
The specific embodiment
Be described further below in conjunction with accompanying drawing 1, Fig. 2, Fig. 3 and Fig. 4 the present invention.
A kind of LED street lamp as shown in Figure 1, Figure 2, Figure 3 and Figure 4 mainly comprises aluminium shell 1, support 2, power supply and a plurality of module 3, and a plurality of modules 3 are installed in parallel on the aluminium shell 1.Aluminium shell 1 comprises two arc fixtures 11, crossbeam 12 and hides dust hood 13, crossbeam 12 and screening dust hood 13 all are fixed between two arc fixtures 11, and hide the top that dust hood 13 is in aluminium shell 1 back side, hide dust hood 13 and be provided with two parallel square openings 131, the power supply that links to each other with module 3 is in the arc fixture 11.The both sides, front and back at crossbeam 12 tops are respectively equipped with draw-in groove, and are fixing in the draw-in groove of both sides, the front and back difference stemple 12 of screening dust hood 13, install more firm.It is curved to hide dust hood 13 cross sections, and two parallel square openings 131 are symmetrical arranged before and after the center line at the top that hides dust hood 13, and square opening 131 not only is used for mounting bracket 2 and also is used for heat radiation.
The quantity of module 3 generally is between the 2-7, and these modules 3 all are arranged in parallel regularly, leaves infiltration gap 4 between the adjacent block 3.Module 3 comprises radiating block 31, heat transfer sheet 32, pcb board 33, a plurality of LED37, silica gel sealing water proof ring 34, lens 35 and fixture 36 from top to bottom successively, and fixture 36 is screws.Pcb board 33 is fixed on the radiating block 31, and heat transfer sheet 32 is between radiating block 31 and the pcb board 33, and a plurality of LED37 are fixed on the pcb board 33.The middle part of silica gel sealing water proof ring 34 is provided with a square through hole that passes for all LED37, and the square through hole 341 of silica gel sealing water proof ring 34 and the waterproof main body between the outer ledge are provided with the fixture installing hole.The outer contour shape coupling of pcb board 33, silica gel sealing water proof ring 34 and lens 35 is square.Fixture 36 passes the fixture installing hole on lens 35 and the silica gel sealing water proof ring 34 and lens 35, silica gel sealing water proof ring 34 and pcb board 33 is fixed on the radiating block 31, and radiating block 31 is fixedly mounted on the aluminium shell 1.The top of radiating block 31 is fin 39 that many parallel longitudinals are arranged, radiating block 31 tops also are provided with heat radiation mounting interface 38, fin 39 and heat radiation mounting interface 38 all are connected as a single entity with radiating block 31, and radiating block 31 is that thermal conductivity is the fine aluminium radiating block of 237W/mK, and heat transfer sheet 32 is graphite flakes.Support 2 is made of interconnective fixed support 21 and travel(l)ing rest 22, fixed support 21 is inverted U-shaped, two free ends of inverted U-shaped fixed support 21 bottoms pass square opening 131 and are in the aluminium shell 1, and fixedly connected with the heat radiation mounting interface 38 at radiating block 31 tops, inverted U-shaped fixed support 21 tops are in the outside of aluminium shell 1 and connect travel(l)ing rest 22, inverted U-shaped fixed support 21 plays the effect that connects and dispel the heat, travel(l)ing rest 22 can be changed arbitrarily at different environment, increases the scope of using.
Lens 35 are made of installing plate 351 and a plurality of light control volumes 352 of being connected as a single entity with it, and the outer contour shape coupling of the outer contour shape of installing plate 351 and pcb board 33 and silica gel sealing water proof ring 34 is square.LED37 coupling on the position of light control volume 352 and the pcb board 33 is corresponding, and light control volume 352 forms the cavity volume that holds LED37 that protrudes downwards, passes bottom the LED37 in the cavity volume that silica gel sealing water proof ring 34 stretches into light control volume 352.The medial surface A of light control volume 352 is light entrance faces, and lateral surface B is light-emitting face, and the thickness between light control volume 352 medial surface A and the lateral surface B is between 1.5MM-5MM, and the focal length of the cavity volume of light control volume 352 is between 4-4.5MM.Light control volume 352 be light transmittance more than 98%, heatproof is at the PC material more than 140 ℃, the utilization rate height of light, production cost is also low, the medial surface of installing plate 351 is through the sand processing, prevents from occurring by refraction repeatedly the situation of dazzle.The light entrance face of light control volume 352 and light-emitting face are the curved surface of non-regular shape, and be free form surface, by the refraction effect of light on two curved surfaces, reach the purpose of control light trend, thereby obtaining required light distributes, can carry out independent control at the light of diverse location on the curved surface, it is reflected to desired direction, as the direction of arrow C indication among Fig. 4.
Power supply is installed in the arc fixture 11, and also by square opening 131 pass-outs, module 3 is installed between two arc fixtures 11 power line on the power supply, leaves distance between power supply and the module 3, also can improve the performance of heat radiation.
During use, the power supply in the arc fixture 11 is to module 3 power supplies, and the heat that LED37 work produces reaches heat transfer sheet 32 by pcb board 33, reaches radiating block 31 by heat transfer sheet 32 again and distributes fast, and support 2 and aluminium shell 1 also play the effect of heat radiation.When raining, rainwater enters in the aluminium shell 1 along two parallel square openings 131, and by infiltration gap 4 outflows between the adjacent block 3, whole process also can play cool effect to module 3 and aluminium shell 1, and module 3 can be not impaired by silica gel sealing water proof ring 34 sealings of above-mentioned special construction.
Claims (7)
1. a LED street lamp is characterized in that comprising aluminium shell, support, power supply and a plurality of module, and a plurality of modules are installed in parallel on the aluminium shell; Aluminium shell comprises two arc fixtures, crossbeam and screening dust hood, crossbeam and screening dust hood all are fixed between two arc fixtures, and hide the top that dust hood is in the aluminium shell back side, hide dust hood and be provided with two parallel square openings, the power supply that links to each other with module is in the arc fixture, leaves the infiltration gap between the adjacent block; Described module comprises radiating block, heat transfer sheet, pcb board, a plurality of LED, silica gel sealing water proof ring, lens and fixture from top to bottom successively, and pcb board is fixed on the radiating block, and heat transfer sheet is between radiating block and the pcb board, and a plurality of LED are fixed on the pcb board; The middle part of silica gel sealing water proof ring is provided with a square through hole that passes for all LED, and the square through hole of silica gel sealing water proof ring and the waterproof main body between the outer ledge are provided with the fixture installing hole; The outer contour shape coupling of pcb board, silica gel sealing water proof ring and lens, fixture passes the fixture installing hole on lens and the silica gel sealing water proof ring and lens, silica gel sealing water proof ring and pcb board is fixed on the radiating block, radiating block is fixed on the aluminium shell, the top of radiating block is the fin that many parallel longitudinals are arranged, and the radiating block top also is provided with the heat radiation mounting interface; Described support comprises interconnective fixed support and travel(l)ing rest, it is inverted U-shaped that fixed support is, two free ends of inverted U-shaped fixed support bottom pass square opening and are in the shell, and fixedly connected with the heat radiation mounting interface at radiating block top, inverted U-shaped fixed support top is in the outside of shell and connects travel(l)ing rest; Described lens are made of installing plate and a plurality of light control volumes of being connected as a single entity with it, the outer contour shape coupling of the outer contour shape of installing plate and pcb board and silica gel sealing water proof ring; A plurality of LED couplings on the position of a plurality of light control volumes and the pcb board are corresponding, and the light control volume forms the cavity volume that holds LED of downward protrusion, pass bottom the LED in the cavity volume that the silica gel sealing water proof ring stretches into the light control volume; The medial surface of described light control volume is light entrance face, and lateral surface is light-emitting face, and light entrance face and light-emitting face are the curved surface of non-regular shape.
2. a kind of LED street lamp according to claim 1, the outline that it is characterized in that described pcb board, silica gel sealing water proof ring and lens is square; Described fixture is screw; Light entrance face and light-emitting face are free form surface.
3. a kind of LED street lamp according to claim 1 and 2 is characterized in that thickness between described light control volume medial surface and the lateral surface between 1.5MM-5MM, and the focal length of the cavity volume of light control volume is between 4-4.5MM.
4. a kind of LED street lamp according to claim 1 and 2 is characterized in that described heat transfer sheet is graphite flake, and fin and heat radiation mounting interface all are connected as a single entity with radiating block, and radiating block is that thermal conductivity is the fine aluminium radiating block of 237W/mK.
5. a kind of LED street lamp according to claim 1 is characterized in that the both sides, front and back at described crossbeam top are respectively equipped with draw-in groove, and is fixing in the draw-in groove of both sides, the front and back difference stemple of screening dust hood.
6. a kind of LED street lamp according to claim 1, it is characterized in that described light control volume be light transmittance more than 98%, heatproof is at the PC material more than 140 ℃, the medial surface of installing plate is through the sand processing.
7. a kind of LED street lamp according to claim 1 is characterized in that described screening dust hood cross section is curved, and two parallel square openings are symmetrical arranged before and after the center line at the top that hides dust hood.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101241059A CN102635820B (en) | 2012-04-25 | 2012-04-25 | LED (light emitting diode) street lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101241059A CN102635820B (en) | 2012-04-25 | 2012-04-25 | LED (light emitting diode) street lamp |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102635820A CN102635820A (en) | 2012-08-15 |
| CN102635820B true CN102635820B (en) | 2013-09-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012101241059A Expired - Fee Related CN102635820B (en) | 2012-04-25 | 2012-04-25 | LED (light emitting diode) street lamp |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109373215A (en) * | 2018-11-26 | 2019-02-22 | 安徽芯瑞达科技股份有限公司 | A kind of ultra-high brightness LED glass fluorescent lamp |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7686469B2 (en) * | 2006-09-30 | 2010-03-30 | Ruud Lighting, Inc. | LED lighting fixture |
| CN201382339Y (en) * | 2009-02-26 | 2010-01-13 | 天台县海威机电有限公司 | LED tunnel lamp with lens and glass mirror |
| CN201568890U (en) * | 2009-11-12 | 2010-09-01 | 上海彩煌光电科技有限公司 | Lens of LED light source with free curve surface |
| CN201651982U (en) * | 2009-12-22 | 2010-11-24 | 天台县海威机电有限公司 | LED lamp module and tunnel lamp made using same |
| JP2011134517A (en) * | 2009-12-23 | 2011-07-07 | Olympia Shomei Co Ltd | Illumination fixture and illumination device |
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2012
- 2012-04-25 CN CN2012101241059A patent/CN102635820B/en not_active Expired - Fee Related
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| CN102635820A (en) | 2012-08-15 |
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