CN102261610A - High-power LED road lighting lamp - Google Patents

High-power LED road lighting lamp Download PDF

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Publication number
CN102261610A
CN102261610A CN2011102620486A CN201110262048A CN102261610A CN 102261610 A CN102261610 A CN 102261610A CN 2011102620486 A CN2011102620486 A CN 2011102620486A CN 201110262048 A CN201110262048 A CN 201110262048A CN 102261610 A CN102261610 A CN 102261610A
Authority
CN
China
Prior art keywords
lamp
lampshade
air
power led
led
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN2011102620486A
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Chinese (zh)
Inventor
史文浩
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang Andi Science & Technology Development Co Ltd
Original Assignee
Zhejiang Andi Science & Technology Development Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zhejiang Andi Science & Technology Development Co Ltd filed Critical Zhejiang Andi Science & Technology Development Co Ltd
Priority to CN2011102620486A priority Critical patent/CN102261610A/en
Publication of CN102261610A publication Critical patent/CN102261610A/en
Pending legal-status Critical Current

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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
    • Y02B20/72Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps in street lighting

Abstract

A high-power LED (Light-Emitting Diode) road lighting lamp comprises a lamp post for road lamps, a lampshade and a lamp base, wherein the lamp base is composed of an LED lampwick, a printed circuit board (PCB) aluminium substrate, and fixed in the lampshade; the lampshade is fixed to an end portion of the lamp post; at least one vent or a plurality of tiny air inlets is or are formed on the root portion or the lower portion of the lamp post, and communicated with the interior of the lampshade through the internal channel of the lampshade; an air shunting pipe directly communicated with the internal channel of the lamp post is arranged in the lampshade; a plurality of air outlets toward the lamp base for convective heat dissipation of the lamp base are formed on the air shunting pipe; and a lampshade air vent or air outlet forming airflow circulation with the internal channel of the lamp post and the vents or the air inlets formed on the lamp post is further formed on the top of the lampshade. The high-power LED road lighting lamp has the advantages of simple structure, use and mounting convenience, economic usefulness, and obvious energy-saving effect by cooling the large-power LED using natural wind generated by the Chimney Effect, etc.

Description

A kind of high-power LED (Light Emitting Diode) road illuminating lamp
Technical field
What the present invention relates to is a kind of high-power LED road lighting lamp, belongs to the application of led light source at lighting field.
Background technology
The LED light source is the product that the development of semiconductive luminescent materials technology high-speed and " green illumination " notion progressively are rooted in the hearts of the people in the application of lighting field." green illumination " is the new ideas that external lighting field proposed in the 80's Mos of last century, China's " Green Lighting Project " is implemented on 1996. and the important step that realizes this plan will develop and promote exactly efficiently, energy-saving lighting lamp, electricity consumption saves lighting, reduce environment and light pollution, set up the illuminator of high-quality and efficient, economic comfortable, a safe and reliable useful environment.
Its essential characteristic of LED light source:
1. the luminous efficiency height: incandescent lamp, tungsten lamp light efficiency are bright ∕ watt of 12-24 stream, and fluorescent lamp and HID light effect flow bright ∕ watt for 5-120.In 1998, the light efficiency of white light LEDs had only ∕ watt of 5 Liu Ming; Reached ∕ watt of 15 Liu Ming in 1999; By 2010, oneself reached ∕ watt of 150 Liu Ming the light efficiency of LED.
2. power consumption is few: 1-5 watt of great power LED single tube power, adopt DC driven, the single tube driving voltage is 3.5-15V, 200 1 700 milliamperes in electric current, reaction speed is fast, can be at high-frequency operation. under the situation of same illuminating effect, power consumption is 1/8th of incandescent lamp bulb, 1/2nd of fluorescent tube
3. long service life: the LED lamp body is long-pending little, in light weight, can impact and vibrations with high-strength mechanical, is difficult for broken.Average life span reaches 100,000 hours.
4. security reliability is strong: caloric value is low, non-thermal radiation, cold light source. and photochromic soft, free from glare.
5. help environmental protection: LED is the total solids illuminator, shatter-proof, shock-resistant difficult fragmentation, discarded object is recyclable, does not pollute.
Because LED is long, low in energy consumption, a radiationless energy saving and environment friendly light source of a kind of life-span, is that the new type light source of representative is only real green illumination with LED.Raising along with lumination of light emitting diode efficient, the luminous intensity of LED can increase substantially, in conjunction with relative control technologies, in the near future, the LED light source can progressively replace traditional lighting source, start the new revolution of a lighting field. a fight of seizing semiconductor lighting new industry commanding elevation, fire in the whole world. USDOE's prediction, before and after 2010, the U.S. will have the incandescent lamp of 55 % and fluorescent lamp to be substituted by the LED lamp, the incandescent lamp of Japan 100 % changes the LED lamp into, and the fluorescent lamp of Taiwan 25 % incandescent lamps and 100 % is replaced by the LED lamp.Australia is handsome to have banned incandescent lamp production in 2011 earlier, and a street in Canberra, capital has used white light LEDs to make street lighting.We say that power station, Three Gorges illuminated China half, if the LED illumination is used by China 1/3rd, the so annual electric power of saving just is equivalent to power station, Three Gorges.China Committee of Development and Reform has announced " China eliminate incandescent lamp route map (exposure draft) " a few days ago, in the middle of point out that by 2016, China will thoroughly eliminate incandescent lamp bulb, this is because electric consumption on lighting takies electric weight 12%, estimates can economize on electricity in 1 year 48000000000 to spend.
For a long time, because the LED light efficiency is low, it uses the various demonstrations field that mainly concentrates on. along with the appearance of high-power ultra-high brightness LED, the application of lighting field become may and reality.
According to internal authority mechanism prediction, it is the novel illumination light source epoch of representative that 21st century will enter with LED, be called as the 4th generation new light sources.Great power LED more enjoyed the whole world to attract attention in the prospect of illumination market, will become the market and the maximum market that are expected most at following 10 years, will be the maximum potential product that replaces incandescent lamp, tengsten lamp and fluorescent lamp.
The street lighting of high-powered LED lamp, bigger development bottleneck-" heat radiation " does not reach effective solution, and the LED heating causes " the serious light decay of LED street lamp ".So just need be from the solving of LED heat dissipation technology at all, temperature is exactly the key issue of LED street lamp light decay in fact, and wilfully the LED street lamp just is stuck in this link.Therefore manufacturer spends all pains in the design of heat-radiating substrate fin, radiating module.What have makes the heat-radiating substrate fin into tubulose; Have plenty of fin, tubulose adopts simultaneously; Adopt heat pipe, loop heat pipe to dispel the heat in addition; Have plenty of and adopt to improve the heat radiation material, adopt aluminium, heat conduction carbon, so that copper material reaches the cooling-down effect of LED lamp.
Summary of the invention
The objective of the invention is to overcome the deficiency that prior art exists, and provide a kind of simple in structure, most economical practicality, utilize the self structure of street lighting, the high-power LED (Light Emitting Diode) road illuminating lamp that the natural wind that adopts " stack effect " to be produced cools off great power LED.
The objective of the invention is to finish by following technical solution, it comprises lamp stand, lampshade and the lamp holder of street lamp, described lamp holder is made up of great power LED wick, PCB aluminium base, and be fixed in the lampshade, lampshade is fixed on the end of lamp stand, the root of described lamp stand or hypomere portion offer at least one gas port or a plurality of tiny air admission hole, and are communicated in the described lampshade by the internal channel of lamp stand.
Be mounted with an air isocon that directly is connected with the lamp stand internal channel in the described lampshade, offer on this air isocon towards lamp holder back side PCB aluminium base and on fin carry out a plurality of ventholes of heat loss through convection, also offer lampshade gas outlet or venthole that the gas port offered or air admission hole constitute the air-flow circulation in addition on lamp stand internal channel and lamp stand at the top of described lampshade.
The gas port of offering on the described lamp stand or a plurality of tiny air inlet position are provided with the filter screen that prevents that rubbish is inhaled into.
The present invention utilizes hot-air to rise, cold air replenishes this simple principle, the passage of street lamp rod tube as wind, lamp stand root at street lamp is offered air inlet, the top of street lamp post has just become air outlet naturally, high-power LED illuminating lamp is installed on the air outlet at top again, causes the effect of natural wind air cooling.
Characteristics such as the present invention compared with prior art has simple in structurely, easy to install and use, economical and practical, can utilize the self structure of street lighting, and the natural wind that adopts " stack effect " to be produced cools off great power LED, and energy-saving effect is obvious.
Description of drawings
Fig. 1 is a structural representation of the present invention.
The specific embodiment
The present invention will be described in detail below in conjunction with accompanying drawing: shown in Figure 1, the present invention includes lamp stand 1, lampshade 2 and the lamp holder of street lamp, described lamp holder is made up of great power LED wick 3, PCB aluminium base 4, and be fixed in the lampshade 2, lampshade 2 is fixed on the end of lamp stand 1, the root of described lamp stand 1 or hypomere portion offer at least one gas port 5 or a plurality of tiny air admission hole, and are communicated in the described lampshade 2 by the internal channel 6 of lamp stand 1.
Be mounted with an air isocon 7 that directly is connected with lamp stand internal channel 6 in the lampshade 2 shown in the figure, on this air isocon 7, offer towards lamp holder and to lamp holder and carry out a plurality of ventholes of heat loss through convection, also offer lampshade gas outlet 8 or venthole that the gas port 5 offered or air admission hole constitute the circulation of air stream in addition at the top of described lampshade 2 on lamp stand internal channel 6 and lamp stand.
The gas port of offering on the lamp stand 1 of the present invention 5 or a plurality of tiny air inlet position are provided with the filter screen 9 that prevents that rubbish is inhaled into.
Originally be used for placing lead, still can settle lead, adopt it not influence laying of former lead as the cooling air passage in street lamp rod tube inside.Be noted that when passing the air isocon, can bore two holes on isocon, two leads are drawn out in the LED lamp housing, seal with elastometic washer can be adopted in the hole.
The present invention is at the inner air isocons 7 of installing of the lampshade 2 of high-power LED street lamp, and isocon is made for the reduction expense can adopt sheet iron, the position of the tap hole on the isocon and size, what, carry out arrangement according to the heat radiation needs.
Lampshade 2 tops of high-power LED street lamp set out gas port, so that the discharge of hot-air in the lamp housing, allow the cold air of lamp stand 1 root of street lamp replenish.The shape of air outlet can be attractive in appearance as far as possible, prevents that rainwater from entering, and it is just passable not influence air draft.
In specific embodiment, the lamp stand 1 of high-power LED street lamp is mostly about 10 meters, average caliber is more than 15CM, the existence of pipe internal-external temperature difference causes the draft of air outlet can reach tens of (Pa), can satisfy the heat radiation requirement of high-power LED street lamp inside fully.The rainy day humid air enters also not serious, can cause light pole inside pipe wall and the corrosion of air isocon inwall at most; Hydrone in the humid air is dried on the aluminium radiating fin, takes away more heat.
Accompanying drawing of the present invention is just in order to illustrate the formation of high-power LED street lamp air cooling passage, and what adopted is the simplest pattern.The concrete form of high-power LED street lamp is different, but can build natural wind cooling passage by stifled, thin, and high-power LED street lamp is implemented air cooling.
The regular maintenance of this street lamp mainly is in time to clear up the air inlet of street lamp rod tube, prevents that polybag, the scraps of paper, leaf are adsorbed on the air inlet, stops up air intake passage.
The present invention need offer an air outlet, otherwise this air channel just can't form also at the top of the lampshade of LED road lighting.Be exactly to need us the radiating fin of LED below, the heat radiation layout of carrying out maximum efficiency according to the flow direction of wind just can solve.If for obtaining better radiating effect, can an isocon be installed in the outlet of pipe bar, need deliver to the most rational position of LED lamp to the cold wind of air outlet by heat radiation, this LED of utilization road lighting self structure reaches the purpose of heat radiation, obtains cool effect on the whole.This is most economical, effective way.
We know that the transfer mode of heat has three kinds: conduction, convection current, radiation; The thermaltransmission mode of copper mainly plays conduction; The thermaltransmission mode of aluminium is convection current, carry out convection current by medium, and heat is taken away in general and airborne hydrone (wind) effect; The thermaltransmission mode of graphite is radiation.Because what the present invention adopted is the natural wind cooling, so adopt the aluminum thermal fin mode to cool off, allows fin that heat is sent in the ambient air and goes, and comes distribute heat by free convection.

Claims (3)

1. high-power LED (Light Emitting Diode) road illuminating lamp, it comprises lamp stand, lampshade and the lamp holder of street lamp, described lamp holder is made up of great power LED wick, PCB aluminium base, and be fixed in the lampshade, lampshade is fixed on the end of lamp stand, the root or the hypomere portion that it is characterized in that described lamp stand offer at least one gas port or a plurality of tiny air admission hole, and are communicated in the described lampshade by the internal channel of lamp stand.
2. high-power LED (Light Emitting Diode) road illuminating lamp according to claim 1, it is characterized in that being mounted with in the described lampshade air isocon that directly is connected with the lamp stand internal channel, on this air isocon, offer towards lamp holder and to lamp holder and carry out a plurality of ventholes of heat loss through convection, also offer lampshade gas outlet or venthole that the gas port offered or air admission hole constitute the air-flow circulation in addition at the top of described lampshade on lamp stand internal channel and lamp stand.
3. high-power LED (Light Emitting Diode) road illuminating lamp according to claim 1 and 2 is characterized in that gas port or a plurality of tiny air inlet position offered on the described lamp stand are provided with the filter screen that prevents that rubbish is inhaled into.
CN2011102620486A 2011-09-06 2011-09-06 High-power LED road lighting lamp Pending CN102261610A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011102620486A CN102261610A (en) 2011-09-06 2011-09-06 High-power LED road lighting lamp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011102620486A CN102261610A (en) 2011-09-06 2011-09-06 High-power LED road lighting lamp

Publications (1)

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CN102261610A true CN102261610A (en) 2011-11-30

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CN2011102620486A Pending CN102261610A (en) 2011-09-06 2011-09-06 High-power LED road lighting lamp

Country Status (1)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103062736A (en) * 2013-01-23 2013-04-24 磐安县易通科技发展有限公司 High-power LED streetlamp cooling method and LED streetlamp cooled by same

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201221719Y (en) * 2008-06-12 2009-04-15 复旦大学 Embedded type LED road lighting lamp
CN101718412A (en) * 2010-01-12 2010-06-02 肖西昌 LED outdoor lamps as well as LED street lamp, LED square lamp, LED garden lamp and LED tunnel lamp
CN101776236A (en) * 2010-02-28 2010-07-14 东莞市万丰纳米材料有限公司 LED street lamp
CN201547630U (en) * 2009-11-02 2010-08-11 陈洋怀 High power cold light source road lamp

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201221719Y (en) * 2008-06-12 2009-04-15 复旦大学 Embedded type LED road lighting lamp
CN201547630U (en) * 2009-11-02 2010-08-11 陈洋怀 High power cold light source road lamp
CN101718412A (en) * 2010-01-12 2010-06-02 肖西昌 LED outdoor lamps as well as LED street lamp, LED square lamp, LED garden lamp and LED tunnel lamp
CN101776236A (en) * 2010-02-28 2010-07-14 东莞市万丰纳米材料有限公司 LED street lamp

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103062736A (en) * 2013-01-23 2013-04-24 磐安县易通科技发展有限公司 High-power LED streetlamp cooling method and LED streetlamp cooled by same

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Application publication date: 20111130

C12 Rejection of a patent application after its publication