CN101598282B - Led street lamp - Google Patents
Led street lamp Download PDFInfo
- Publication number
- CN101598282B CN101598282B CN200910108385A CN200910108385A CN101598282B CN 101598282 B CN101598282 B CN 101598282B CN 200910108385 A CN200910108385 A CN 200910108385A CN 200910108385 A CN200910108385 A CN 200910108385A CN 101598282 B CN101598282 B CN 101598282B
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- heat
- heat transfer
- radiator
- lamp
- lamp housing
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/0001—Technical content checked by a classifier
- H01L2924/0002—Not covered by any one of groups H01L24/00, H01L24/00 and H01L2224/00
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- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The invention relates to an LED street lamp, which comprises a lamp shell, a heat radiator arranged on one end face of the lamp shell, a lampshade arranged on the other end face of the lamp shell, and a driver arranged in the lamp shell, wherein heat transfer devices are arranged in lamp shell cavities which are positioned on the heat radiator and are coaxial with the lampshade respectively, the bottom of the heat transfer device is connected with a high-brightness light source, and a reflecting shade of which the covering surface corresponds to a transparent surface of the lampshade is clamped between the bottom of the heat transfer device and the high-brightness light source. The heat transfer device consists of a sealed cavity formed by a conical shell and the heat radiator, and a heat conducting fusing agent filled in the sealed cavity. The LED street lamp uses vaporization heat transfer and liquefaction heat exchange to heat the heat transfer liquid by the heat generated in the working process of an LED module through the heat transfer shell, and when the temperature reaches the boiling point of the heat transfer liquid, the liquid is boiled and vaporized, the gas can quickly transfer the heat to the heat radiator, and the heat radiator liquefies the gas into liquid which falls back to the heat transfer shell for transferring heat continuously after the heat exchange between the heat radiator and the heat transfer gas.
Description
Technical field
The present invention relates to a kind of LED street lamp.
Background technology
CN200810022209.2 discloses a kind of " multi-light source LED road lamp ".Its purpose provides a kind of multi-light source LED road lamp; This multi-light source LED road lamp can effectively be realized reducing the installation quantity of street lamp and reducing cost; LED street lamp luminous efficiency and the heat dissipation problem that solves high-power LED street lamp can be improved, and the service life of LED street lamp can be prolonged.Its technology constitutes: said multi-light source LED road lamp, and lamp housing mid portion is a heat transfer substrate on it, the heat transfer substrate outer surface is provided with some fin; Boss is fixed on below the inner heat transfer substrate of lamp housing, is interval with a plurality of annular grooves that sealing ring is inserted that are used on the boss, and the heat-conducting substrate of led light source module is fixed on the boss in the annular groove; Reflection shield lower end flanging back-off is in the Transparent lamp shade periphery; Be provided with the installing hole that is complementary with the led light source module number above the reflection shield, the led light source module is in the installing hole, and the light-distribution lens sealing is located in the installing hole; Following lamp housing is matched with lamp housing; Sealing compression seal circle above the reflection shield, the sealing of Transparent lamp shade periphery is fixedly arranged on down in the lamp housing, and electric power incoming line one end is connected on the external power supply, the other end is connected on the rectification driving governor; On the positive and negative terminals of power supply that power outlet one end is connected on the power drives controller, the other end is welded on the led light source module, it is inner that the rectification driving governor is fixed on down lamp housing.Its weak point is: processing technology is complicated, is unfavorable for the standardization of each parts of light fixture, and cost is higher.
Summary of the invention
The objective of the invention is to overcome above-mentioned weak point of the prior art; A kind of utilize Evaporating Heat Transfer and liquefaction heat exchange are provided, the heat in the LED module course of work are heated heat transfer liquids through the heat transfer shell, when reaching the boiling point of heat transfer liquids; The liquid boiling vaporization; Gas can pass to heat on the radiator fast, become liquid to fall back to the heat transfer shell gas liquefaction after radiator and the heat-conducting gas heat exchange and continue to conduct heat, and radiator with thermal conductance in air; Select the size of radiator and the capacity of heat transfer liquids according to different power; Control the temperature rise of LED module, the setting of temperature can be according to different heat transfer liquids, and the annular seal space that forms between heat transfer shell and the radiator is pumped into the high-power LED street lamp with the vacuum of heat transfer liquids boiling temperature.Another object of the present invention provides single high-power large-angle LED module of a kind of employing as light source, and secondary light-distribution adopts the trapezoidal reflection shield of indent, parameters such as the reflective angle of reflection shield according to the rising angle of LED module and effectively the road surface irradiated area decide.The annular seal space that a purpose more of the present invention provides moulding between a kind of taper heat transfer housing and the radiator is pumped into the vacuum that adapts with heat conduction flux boiling temperature to improve radiating effect.Last purpose of the present invention provides a kind of driver and the split type installation of light fixture, is installed on the bottom of lamp stand, and it is higher to make it drive efficient, is convenient to safeguard change.
The object of the invention can reach through following measure:
This LED street lamp; Comprise lamp housing, be arranged on radiator on lamp housing one end face, be arranged on the lampshade of lamp housing other end and be arranged on the driver in the lamp housing; Its special character is: the lamp housing cavity that is positioned at radiator and lampshade coaxial line is respectively equipped with heat transfer unit (HTU); Heat transfer unit (HTU) bottom connects higher source luminance, presss from both sides between heat transfer unit (HTU) bottom and the high brightness lamp source and establishes the coverage rate reflection shield corresponding with the lampshade transparent surface.
The object of the invention can also reach through following measure:
Said heat transfer unit (HTU) constitutes valve and the heat conduction flux of can in the sealing cavity installed on the coconnected pipeline of hermetic cavity body conical shell, the pipeline by conical shell and radiator and forms.
Said heat transfer unit (HTU) is positioned at the hollow out zone of being offered at the radiator position by lamp housing, is inlaid in seal chamber and the heat conduction flux composition of can in the sealing cavity that the column cavity formation of a moulding bottom the valve that is connected liquid container and the valve that is connected vavuum pump, this taper heat transfer housing awl is installed on the taper heat transfer housing, the coconnected pipeline of conical shell, pipeline of the radiator that forms sealing lamp housing hollow out, cooperation and the tight contact shape of radiator in lamp housing hollow out the zone in.
Said heat conduction flux is selected a kind of or its combination of water, the alcohol of effumability, pure acetic acid, acetate, ethyl ester, solvent naphtha for use.
The annular seal space of moulding is pumped into the vacuum that adapts with heat conduction flux boiling temperature between taper heat transfer housing and the radiator.
Said vacuum is below standard atmospheric pressure 101325Pa.
Vertical and the position that fin, its other end and heat transfer unit (HTU) that be parallel to each other form seal chamber of the some and heat-radiating substrate that said radiator is set firmly by a heat-radiating substrate, one end sets firmly the heat-radiating substrate fin and extends to the some fins that are parallel to each other that form in the lamp housing hollow out of seal chamber with heat transfer unit (HTU) and form.
The high reflecting material layer that the hollow cover body that said reflection shield is formed by the semiellipse cross section of two different radians anyhow, the anti-limit that its edge outwards is bent to form, reflective surface are electroplated is formed.
Close-range shot angle α between said reflection shield reflective surface and light source projects line is 130 °～160 °; Long drive angle γ between said reflection shield reflective surface and light source projects line is 65 °～95 °; Said reflection shield reflective surface and the light source projects line boundary firing angle between long drive angle γ and close-range shot angle α is 100 °～130 °.
Said driver is installed on the outside lamppost of LED street lamp, and is connected with the inner control circuit of LED lamp through power line.
Said lamp housing is made up of the loam cake that snaps together each other, lower cover; The end of this loam cake, lower cover is along the curved-surface structure body that is constituted for the circular arc of different radii and middle transitional section; Wherein, The radiator position of circular arc one side that last tops respective radii is big offers the hollow out zone that supplies the radiator setting-in, and the lower cover that the safety glass of employing high brightness light transmittance is processed is positioned at the lampshade position and offers the punched areas composition that supplies the lampshade setting-in; The outdoor shell of lamp housing appearance spraying durable type.
Said lamp housing is made up of the loam cake that snaps together each other, lower cover; The end of this loam cake, lower cover constitutes the curved-surface structure body along the circular arc that is same radius; Wherein, Last tops offers and supplies radiator setting-in hollow out zone, and the lower cover that the safety glass of employing high brightness light transmittance is processed is positioned at the lampshade position and offers the punched areas that supplies the lampshade setting-in; The outdoor lacquer of lamp housing appearance spraying durable type.
The present invention compares prior art, has following advantage:
1, after LED street lamp energized, drive operation, output is fit to the constant current of LED module; The work of LED module is luminous; The light that sends is through the secondary light-distribution of reflection shield, impinge upon to greatest extent effectively in the scope, the heat that led light source comes out in the course of the work through heat transfer unit (HTU), heat sink in air; Control the temperature rise of LED module effectively, guarantee its service life.
2, higher source luminance adopts the integrated super-high-power LED module of multicore sheet, and the power covering scope may be selected to be 30W～200W according to different road needs, and important technological parameters is that light efficiency is more than or equal to 80LM/W; Colour temperature 2700k～6500K; Colour rendering index is greater than 65, and main feature is that integrated degree is high, and cost is lower; The secondary optics design is easy, convenient processing and maintenance.
3, reflection shield adopts the injection molding surface to electroplate or the surface finish of specular aluminium drawing and forming is electroplated and formed, and the light that led light source sends is carried out the secondary optics design, fully improves the utilization rate of light, light is radiated at effectively in the scope as far as possible.Reflective surface is electroplated the material of high reflecting rate; The reflection shield Design and Machining is simple, longer service life.
4, driver adopts the high frequency constant-current driving, and efficient is high, and power factor has reached more than 0.95, and waterproofing design can not only place in the lamp housing, and can adopt partial installation, places the lamp stand bottom, is convenient to safeguard, constant current is provided for the LED module.
Description of drawings
Fig. 1 is the section of structure of LED street lamp one embodiment of the present invention.
Fig. 2 is the structural representation of the heat transfer unit (HTU) of LED street lamp of the present invention.
Fig. 3 is the valve of the external liquid container of heat transfer unit (HTU) of LED street lamp of the present invention, the structural representation of vavuum pump valve.
Fig. 4 is the stereogram of another embodiment of LED street lamp of the present invention.
Fig. 5 is the section of structure of another embodiment of LED street lamp of the present invention.
The specific embodiment
The present invention below will combine accompanying drawing to do further to detail:
Fig. 1, Fig. 2, Fig. 3 show first embodiment of the present invention.
See also shown in Figure 1; Said LED street lamp; Comprise lamp housing 1, be arranged on radiator 2 on lamp housing 1 one end faces, be arranged on the lampshade 3 of lamp housing 1 other end and be arranged on the driver (not shown) in the lamp housing 1; Lamp housing 1 cavity that is positioned at radiator 2 and lampshade 3 coaxial lines is respectively equipped with heat transfer unit (HTU) 4, and heat transfer unit (HTU) 4 bottoms connect higher source luminance 5, presss from both sides between heat transfer unit (HTU) 4 bottoms and the high brightness lamp source 5 and establishes the coverage rate reflection shield 6 corresponding with lampshade 3 transparent surfaces.
Said lamp housing 1 is made up of the loam cake that snaps together each other 11, lower cover 12; The end of this loam cake 11, lower cover 12 constitutes the curved-surface structure body along the circular arc that is same radius 111,121; Wherein, Loam cake 11 tops offer and supply radiator 2 setting-in hollow outs zone 112, and the lower cover 12 that the safety glass of employing high brightness light transmittance is processed is positioned at lampshade 3 positions and offers the punched areas 122 that supplies lampshade 3 setting-ins; The outdoor lacquer (not shown) of lamp housing 1 appearance spraying durable type.
Vertical and the position that fin 22, its other end and heat transfer unit (HTU) 4 that be parallel to each other form seal chamber of some and heat-radiating substrate that said radiator 2 is set firmly by a heat-radiating substrate 21, one end 21 sets firmly heat-radiating substrate fin 22 and extends to the some fins that are parallel to each other 23 that form in the lamp housing hollow out 112 of seal chamber with heat transfer unit (HTU) 4 and form.
The high reflecting material layer (not shown) that the hollow cover body that said reflection shield 6 is formed by the semiellipse cross section of two different radians anyhow, the anti-limit 61 that its edge outwards is bent to form, reflective surface are electroplated formed.
Close-range shot angle α between said reflection shield 6 reflective surfaces and light source projects line is 130 °～160 °; Long drive angle γ between said reflection shield 6 reflective surfaces and light source projects line is 65 °～95 °; Said reflection shield 6 reflective surfaces and the light source projects line boundary firing angle between long drive angle γ and close-range shot angle α is 100 °～130 °.
Said driver is installed in (not shown) on the outside lamppost of LED street lamp, and is connected (not shown) through power line with the inner control circuit of LED lamp.
See also Fig. 2, shown in Figure 3; Said heat transfer unit (HTU) 4 is positioned at the hollow out zone of offering at radiator 2 positions 112 by lamp housing, is inlaid in seal chamber and heat conduction flux 43 compositions of can in the sealing cavity that column cavity 42 formations of a moulding bottom the valve 45 that is connected liquid container and the valve that is connected vavuum pump 46, these taper heat transfer housing 41 awls are installed on the coconnected pipeline of the taper heat transfer housing 41, conical shell 41 of the radiator 2 that forms sealing lamp housing hollow outs in the lamp housing hollow out zone 112, cooperation and radiator 2 tight contact shapes 44, the pipeline 44.Said vacuum is below standard atmospheric pressure 101325Pa.
Use: (1) is conducted heat taper and is connected the valve closing of liquid container on the housing, connects the valve open of vavuum pump;
(2) vacuumize, vacuum requires to close the valve that connects vavuum pump after the completion below the 50Pa;
(3) will fill with the valve open of the connection liquid container that holds agent, liquid holds agent and flows in the vacuum chamber, holds and closes the valve that connects liquid container after agent is enough measured.
Fig. 4, Fig. 5, Fig. 2, Fig. 3 show second embodiment of the present invention.
See also Fig. 4, shown in Figure 5; Said LED street lamp; Comprise lamp housing 1, be arranged on radiator 2 on lamp housing 1 one end faces, be arranged on the lampshade 3 of lamp housing 1 other end and be arranged on the driver (not shown) in the lamp housing 1; Lamp housing 1 cavity that is positioned at radiator 2 and lampshade 3 coaxial lines is respectively equipped with heat transfer unit (HTU) 4, and heat transfer unit (HTU) 4 bottoms connect higher source luminance 5, presss from both sides between heat transfer unit (HTU) 4 bottoms and the high brightness lamp source 5 and establishes the coverage rate reflection shield 6 corresponding with lampshade 3 transparent surfaces.
Said lamp housing 1 is made up of the loam cake that snaps together each other 11, lower cover 12; The end of this loam cake 11, lower cover 12 is along being the circular arc 111,121 of different radii and curved-surface structure body that middle transitional section 113 is constituted; Wherein, Radiator 2 positions of circular arc 121 1 sides that loam cake 11 top respective radii are big offer the hollow out zone 112 that supplies radiator 2 setting-ins, and the lower cover 12 that the safety glass of employing high brightness light transmittance is processed is positioned at lampshade 3 positions and offers punched areas 122 compositions that supply lampshade 3 setting-ins; The outdoor shell (not shown) of lamp housing 1 appearance spraying durable type.Said driver is installed in the interior (not shown) of lamp housing of LED street lamp, and is connected (not shown) through power line with the control circuit of LED lamp.
Vertical and the position that fin 22, its other end and heat transfer unit (HTU) 4 that be parallel to each other form seal chamber of some and heat-radiating substrate that said radiator 2 is set firmly by a heat-radiating substrate 21, one end 21 sets firmly heat-radiating substrate fin 22 and extends to the some fins that are parallel to each other 23 that form in the lamp housing hollow out 112 of seal chamber with heat transfer unit (HTU) 4 and form.
The high reflecting material layer (not shown) that the hollow cover body that said reflection shield 6 is formed by the semiellipse cross section of two different radians anyhow, the anti-limit 61 that its edge outwards is bent to form, reflective surface are electroplated formed.
Close-range shot angle α between said reflection shield 6 reflective surfaces and light source projects line is 130 °～160 °; Long drive angle γ between said reflection shield 6 reflective surfaces and light source projects line is 65 °～95 °; Said reflection shield 6 reflective surfaces and the light source projects line boundary firing angle between long drive angle γ and close-range shot angle α is 100 °～130 °.
See also Fig. 2, shown in Figure 3; Said heat transfer unit (HTU) 4 is positioned at the hollow out zone of offering at radiator 2 positions 112 by lamp housing, is inlaid in seal chamber and heat conduction flux 43 compositions of can in the sealing cavity that column cavity 42 formations of a moulding bottom the valve 45 that is connected liquid container and the valve that is connected vavuum pump 46, these taper heat transfer housing 41 awls are installed on the coconnected pipeline of the taper heat transfer housing 41, conical shell 41 of the radiator 2 that forms sealing lamp housing hollow outs in the lamp housing hollow out zone 112, cooperation and radiator 2 tight contact shapes 44, the pipeline 44.Said vacuum is below standard atmospheric pressure 101325Pa.
The above is merely preferred embodiment of the present invention, and all equalizations of being done according to claim scope of the present invention change and modify, and all should belong to the covering scope of claim of the present invention.
Claims (3)
1. LED street lamp; Comprise lamp housing; Be arranged on the radiator on lamp housing one end face; Be arranged on the lampshade of lamp housing other end and be arranged on the driver in the lamp housing; The lamp housing cavity that is positioned at radiator and lampshade coaxial line is provided with heat transfer unit (HTU); Heat transfer unit (HTU) bottom connects higher source luminance, and folder is established the coverage rate reflection shield corresponding with the lampshade transparent surface between heat transfer unit (HTU) bottom and the high brightness lamp source, it is characterized in that: said heat transfer unit (HTU) be positioned at by lamp housing installation on the taper heat transfer housing, the coconnected pipeline of conical shell, pipeline of the hollow out zone offered at the radiator position, cooperation and the tight contact shape of radiator be connected the valve of liquid container and the valve that is connected vavuum pump, this taper heat transfer housing bore bottom the column cavity of a moulding seal chamber and the can that constitute form at the heat conduction flux of sealing cavity; Said radiator is inlaid in and forms sealing lamp housing hollow out in the lamp housing hollow out zone; Vertical and the position that heat-radiating substrate fin, said heat-radiating substrate other end and heat transfer unit (HTU) that be parallel to each other form seal chamber of the some and heat-radiating substrate that said radiator is set firmly by a heat-radiating substrate, said heat-radiating substrate one end face sets firmly the heat-radiating substrate fin and extends to the some fins that are parallel to each other that form in the lamp housing hollow out of seal chamber with heat transfer unit (HTU) and form.
2. according to the said LED street lamp of claim 1, it is characterized in that: the annular seal space of moulding is pumped into the vacuum that adapts with heat conduction flux boiling temperature between taper heat transfer housing and the radiator.
3. according to the said LED street lamp of claim 2, it is characterized in that: said vacuum is below standard atmospheric pressure 101325Pa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910108385A CN101598282B (en) | 2009-06-23 | 2009-06-23 | Led street lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910108385A CN101598282B (en) | 2009-06-23 | 2009-06-23 | Led street lamp |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101598282A CN101598282A (en) | 2009-12-09 |
| CN101598282B true CN101598282B (en) | 2012-09-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910108385A Expired - Fee Related CN101598282B (en) | 2009-06-23 | 2009-06-23 | Led street lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101598282B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101799150A (en) * | 2010-02-10 | 2010-08-11 | 中国科学院广州能源研究所 | LED lamp body type heat pipe radiating system |
| CN101846257A (en) * | 2010-05-14 | 2010-09-29 | 江苏万佳科技开发有限公司 | High-power LED lamp |
| CN102444834A (en) * | 2010-10-13 | 2012-05-09 | 罗业富 | Integrated type oil-cooling high-power LED street lamp |
| CN102447039A (en) * | 2010-10-13 | 2012-05-09 | 罗业富 | Integrated high-power LED (Light-Emitting Diode) light source module heat-conducting substrate |
| CN102011992A (en) * | 2010-11-26 | 2011-04-13 | 中山市锐盈电子有限公司 | Heat pipe heat dissipation type LED (light emitting diode) lamp |
| CN108770308B (en) * | 2018-06-27 | 2024-04-05 | 江苏英杰电子器件有限公司 | Heat absorption bottom plate for radiator |
| CN112254042B (en) * | 2020-10-20 | 2023-02-10 | 江苏文瑞智能科技有限公司 | Instant heat dissipation type high-power electric lighting device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2735548Y (en) * | 2004-08-06 | 2005-10-19 | 严美凤 | Large-power LED radiating structure |
| CN1760585A (en) * | 2005-10-17 | 2006-04-19 | 李旭明 | LED light fixture |
| CN101329022A (en) * | 2008-06-25 | 2008-12-24 | 昆山太得隆机械有限公司 | Multi-light source LED road lamp |
| CN101457918A (en) * | 2008-12-25 | 2009-06-17 | 英飞特电子（杭州）有限公司 | Liquid cooling LED lamp |
-
2009
- 2009-06-23 CN CN200910108385A patent/CN101598282B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2735548Y (en) * | 2004-08-06 | 2005-10-19 | 严美凤 | Large-power LED radiating structure |
| CN1760585A (en) * | 2005-10-17 | 2006-04-19 | 李旭明 | LED light fixture |
| CN101329022A (en) * | 2008-06-25 | 2008-12-24 | 昆山太得隆机械有限公司 | Multi-light source LED road lamp |
| CN101457918A (en) * | 2008-12-25 | 2009-06-17 | 英飞特电子（杭州）有限公司 | Liquid cooling LED lamp |
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| Publication number | Publication date |
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| CN101598282A (en) | 2009-12-09 |
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Granted publication date: 20120905 Termination date: 20160623 |