CN201916806U - Modularized high-power light emitting diode (LED) lamp using airflow for natural heat radiation - Google Patents
Modularized high-power light emitting diode (LED) lamp using airflow for natural heat radiation Download PDFInfo
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- CN201916806U CN201916806U CN2010206856963U CN201020685696U CN201916806U CN 201916806 U CN201916806 U CN 201916806U CN 2010206856963 U CN2010206856963 U CN 2010206856963U CN 201020685696 U CN201020685696 U CN 201020685696U CN 201916806 U CN201916806 U CN 201916806U
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Abstract
The utility model relates to a modularized high-power light emitting diode (LED) lamp using airflows for natural heat radiation, which consists of an LED module group, a driver and a lamp frame, wherein the LED module group and the driver are fixed on the lamp frame, an interface is arranged on the lamp frame, one lamp can be formed by one or a plurality of LED module groups, each LED module group is an LED lamp module group with the inner curve surface light distribution, the driver adopts multiple paths of constant current output, and each path of output is connected with one LED module group through a waterproof joint, the lamp frame can be in a framework structure which is only provided with a fixed LED module group and the driver and can be installed with the outside, and an outer cover and the like can also be arranged on the framework structure. No matter whether the framework structure is provided with the outer cover or not, an airflow ascending passage is arranged inside the lamp for realizing the effect of convenient heat radiation. The modularized high-power LED lamp adopts high-power white light LEDs as light sources and adopts the LED lamp module group with the inner curve surface light distribution for realizing the light distribution requirement of the lamp and meeting the industrial production (IP) protective grade requirements, and the design requirement and the installation difficult of the lamp are greatly reduced. The airflows can form a heat radiation passage through the airflow ascending passage arranged inside the lamp, the heat radiation efficiency is greatly improved, and the LED is ensured to work in a proper temperature range.
Description
Technical field
The utility model belongs to field of semiconductor illumination, relates to a kind of LED of using as light source, particularly a kind of modular high-power LED light fixture that utilizes airflow for natural heat radiation.
Background technology
Along with the continuous progress of LED manufacturing technology, its light efficiency improves constantly, and by the end of at present, the light efficiency of laboratory large power white light LED has surpassed 190lm/W, and the light efficiency of matured product also reaches more than the 100lm/W on the market.This light efficiency value has represented the potentiality of LED in large-power lamps such as road lighting, tunnel illumination, factories and miness illumination.
Compare with conventional light source, LED has the advantage of a lot of uniquenesses again, and is little such as luminous point, be easy to carry out optical design, and Luminaire efficiency can do very highly, therefore compares with conventional light source to have huge energy-saving potential.In addition, the LED life-span is long, and shock resistance is good, the colour rendering index height, and these characteristics all make LED in great power LEDs such as road lighting, tunnel illumination, factories and miness illumination are used advantageous advantage be arranged.
Yet on the market some high-power LED lamps are arranged also now, do not have fully to understand the characteristic of LED and the environment for use of light fixture during their designs, aspect heat dissipation design, have very big problem.As LED street lamp in the market, be that all-in-one-piece, all led light source all is sealed in the cavity of sealing mostly.Fin by the street lamp back during street lamp work dispels the heat, but in order to improve radiating efficiency, fin generally directly exposes in air, this just makes airborne greasy dirt and dust be easy to pile up on fin, influence the radiating efficiency of street lamp, thereby influenced service behaviour and the life-span of LED.Adopt simultaneously mode such as fluid sealant that the sealing of elements such as LED is formed one and be difficult to the integral body dismantled owing to the requirement of degree of protection, i.e. integral LED street lamp, on-site maintenance is very difficult like this.
Summary of the invention
The purpose of this utility model is to provide a kind of modular high-power LED light fixture that utilizes airflow for natural heat radiation in conjunction with thermodynamic principles.
The utility model proposes the modular high-power LED light fixture that utilizes airflow for natural heat radiation, form by lamp bracket 1, LED module 2, driver 3 with multiple constant current output, LED module 2 links to each other with driver 3 by water joint, driver 3, LED module 2 are individually fixed on the lamp bracket 1, lamp bracket 1 is installed by mechanical connecting part and outside thereon, position, as it is first-class to be installed on the lamp stand of road.Wherein: described LED module 2 adopts the LED light fixture module of inner surface luminous intensity distributions, and these LED module 2 light output surfaces are plane or the bigger almost plane of curvature, and has waterproof and dustproof, dispels the heat and satisfy function such as light distribution requirements.
In the utility model, the LED module 2 of employing according to the requirement of luminous flux can one, also can many.
In the utility model, during installation, perhaps LED module 2 and lamp bracket 1 leave to leave between space or the LED module 2 between space or LED module 2 and lamp bracket 1 and the LED module 2 and all leave the space, so that form the thermal current rising passway when lighting a lamp, increase heat sinking function.
In the utility model, adopt the driver 3 with multiple constant current output, export with water joint on every road, is convenient to be connected with LED module 2.
In the utility model, lamp bracket 1 can be a kind of simple frame structure, only be used for fixing LED module 2 and driver 3 and with outside installation, other frame for movement of attractive in appearance and certain protective action also can have been arranged, as top loam cake can be arranged.But this frame for movement is as on the top of LED module 2, and then this structure must or on top have passage or passage arranged in the side or reach the side in the above all passage.This passage and described space form the thermal current rising passway, increase heat sinking function.
The utility model each several part structure division is as follows:
1. lamp bracket
Be used for placing and fixed L ED module 2 and driver 3, and install with the outside.Therefore, lamp bracket 1 is made up of three parts substantially, promptly is used for fixing the part of driver 3, the part that is used for fixing LED module 2 and and the outside mechanical part of installing.1, driver 3 is fixing fairly simple, can leave certain position of sound production on lamp bracket 1 structure, but does not influence the exterior appearance of light fixture and certain heat dissipation channel is arranged; 2, the part of fixed L ED module 2 is cores of lamp bracket 1, this part can be: the simple frame structure of a, as a framework that a hollow or a plurality of hollows are arranged on planar structure or almost plane structure, place LED module 2 on the framework, the bright dipping part of module 2 just in time faces toward the hollow space of framework, light is penetrated by the hollow space of framework when lighting, and perhaps b possesses other frame for movement that adds certain decoration and safeguard function on the architecture basics of the described simplified frame construction function of a; 3, the outside mechanical part of installing, this part is according to the application scenario of light fixture and difference, as: a road lighting purposes, it then is a structure that can be connected with street lamp post and fix, b tunnel illumination and factories and miness illumination etc., then be one can regulate lamp luminescence body position and direction and with the light fixture overall fixed on tunnel or wall or the frame for movement of other installation site; 4, optional part except that above three parts must have, can also be useful on the other parts that make the light fixture appearance looks elegant or have certain safeguard function on the lamp bracket, as the light fixture loam cake can be arranged, arc on the limit, attractive, decorative such as streamlined can be arranged also.The light fixture loam cake can only cover on the LED module 2, also can only cover on the driver 3, also can cover in LED module 2 simultaneously by a loam cake and cover in respectively on LED module 2 and the driver 3 with driver 3 or 2 loam cakes.Which kind of situation no matter, gas channel in necessary oriented top of the enclosing cover of LED module 2 tops or side, space like this and between the LED module 2 between space or LED module 2 and the lamp bracket 1 can form the thermal current passway that rises when light fixture is lit a lamp, strengthen heat radiation.Less in view of the heat dissipation problem of driver 3, the enclosing cover that therefore covers on the driver 3 can have or not have big passage, but this enclosing cover can not allow driver 3 seal fully.
More than four parts can be separately design and make but the frame for movement that firmly connects, also can be single piece by comprising of technology manufacturings such as die casting or stretching wherein any two parts or three parts or four parts.
2. driver
3.LED module
A light fixture can be made up of one or more LED modules 2, LED module 2 is seen " the LED light fixture module of inner surface luminous intensity distribution " for the LED light fixture module of inner surface luminous intensity distribution, application number is 2010206831059, functions such as that this module has is dustproof, waterproof, heat radiation, and design negative camber lens are wherein realized the luminous intensity distribution that requires as requested.Because LED module 2 has had the function of waterproof and dustproof, therefore, need not add the dustproof and waterproof glass of an integral body in the light fixture outside module, the optical loss that has not also just had this cover glass to cause.Simultaneously, because the downward light output surface of module is the plane, when safeguarding, can wash with hydraulic giant very easily by light fixture.
The utility model is according to the characteristics of the strict control device temperature of LED need of work, and in conjunction with the feature of air motion and high-power LED lamp some common points for attention in use, the creationary method designing high-power LED light fixture that combines that visualizes modularization and utilize the heat radiation of air-flow peripheral passage.This method can be used for designing high-power LED street lamp, Tunnel Lamp, factories and miness lamp, projecting lamp etc.Compare with the integral LED light fixture that generally adopts at present, have the following advantages:
Variations in temperature forms uprush when 1, making full use of light fixture work, improves radiating efficiency.
The LED light fixture produces a large amount of heats in use, and heat is by on the heat sink surface of taking light fixture to, particularly radiator.Radiator temperature will be than higher like this, and its ambient air also can be heated, and density reduces, and forms the fire balloon effect.Owing to low-density rises, the cold air of low-temperature space replenishes at the radiator ambient air.Because air has disturbance, do not form certain heat dissipation channel under the normality, the efficient of heat radiation is not high.The utility model adopts Modular LED light source module, make between the LED module 2 people for leaving a fixed gap, also leave the gap between the machinery of LED module 2 and adjacent lamp bracket 1, cover on then if any loam cake and also leave passage, make whole light fixture when work, form certain air flow passage.The low-density hot-air of the shell of light fixture rises, and takes away heat.Because the air-flow draw, i.e. pressure difference, and then, the cold air of relatively high pressure enters the space between the module of light fixture bottom surface, carries out heat exchange with radiator on the LED module in the light fixture, rises then and takes away heat.Go round and begin again, form a stable heat dissipation channel.Thereby reach the cooling LED module, improve the purpose of LED light fixture radiating efficiency.The utility model just is being based on this point, makes high-power LED lamp form lasting thermal current rising passway when work, takes away heat, reaches the purpose that improves radiating effect.
2, the utility model adopted have dustproof, waterproof, heat sinking function and satisfy the LED module of light distribution requirements by design, improved maintainability with respect to traditional high-power integral LED light fixture, can on-the-spotly change, and the supporting technology upgrading.
Because the needs of IP grade protection, the integral LED light fixture all is enclosed in led light source in the cavity of sealing, if led light source damages, can only change whole light fixture, send the maintenance of former factory back to, and integral LED light fixture weight be heavier at present, change relatively difficulty, maintenance cost is very high.In addition, along with the raising of LED light efficiency, the LED device that change higher light efficiency is very difficult with the upgrading that realizes the LED light fixture.
The LED module that the utility model adopts, in light weight, volume is little, can on-the-spotly change if damage, and safeguards very conveniently, and the LED module is easy to carry out technology upgrading in factory, and changes at the scene realizing the overall technology of light fixture is upgraded.
3, adopt and to have LED module dustproof, waterproof, when design lamps, just do not need to consider the requirement aspect the degree of protection, can between module, leave the gap, form aforesaid gas channel.The number that the utility model can be adjusted module flexibly according to the width and the illumination requirement on road surface.
4, as the loam cake above the LED module of option; have attractive in appearance and the certain protection function to the LED module; on the one hand; make the sun can not direct projection to the LED module; reduced the temperature of module; on the other hand, make the fin of module can not lower radiating efficiency, reduced the light fixture maintenance difficulties simultaneously because of the accumulation of dust greasy dirt, birds droppings etc.But cover at this time and must leave the space and make air-flow to pass through, thereby improved the radiating efficiency of light fixture.
Simultaneously, the utility model has improved radiating efficiency again owing to adopt modularized design, makes the quality of light fixture obviously to alleviate, and makes the light fixture good looking appearance, and is easy for installation.LED greatly reduces the designing requirement and the installation difficulty of light fixture like this.
The utility model has following characteristics:
1, light fixture adopts the LED module to do light source.
2, realize the luminous intensity distribution and the degree of protection of light fixture by the LED module, reduced Design of Luminaires and mounting hardness, simultaneously the number that can adjust the LED module flexibly according to the width and the illumination requirement on road surface.
3, adopt the light fixture of LED module, maintain easily, can on-the-spotly change, the supporting technology upgrading.
4, above the LED module loam cake can be arranged, make to be not easy to adhere to greasy dirt and dust stratification between the fin of module, avoided therefore reducing the radiating efficiency of module, also avoided direct irradiation of sunlight to module, cause the aging of module device, increased the artistry of light fixture outward appearance simultaneously.
5, leave the space between the LED module, make the air-flow circulation canal form, take away the heat on the module, improve radiating efficiency, reduce LED module operating temperature.
6, the space of LED module helps whole light fixture to take away spot by rainwater.
Description of drawings
Fig. 1 is the structural diagrams of modular high-power LED light fixture.
Fig. 2 is the upward view of modular high-power LED light fixture.
Fig. 3 is the vertical view of modular high-power LED light fixture.
Fig. 4 is the structural representation that has the modular high-power LED light fixture of loam cake.
Number in the figure: 1 is lamp bracket, and 2 is the LED module, and 3 is driver, and 4 is the loam cake of light fixture, and 5 for being used for fixing the position of driver on the lamp bracket, and 6 for being used for fixing the framework of LED module on the lamp bracket, and 7 is anchor ear.
The specific embodiment
Further specify the utility model in conjunction with the accompanying drawings below by embodiment.
Embodiment 1: as shown in Figure 1-Figure 3, be simple frame structure modular high-power LED light fixture, 1 is a framework that a hollow or a plurality of hollows are arranged on planar structure or almost plane structure among the figure, place one or some LED modules 2 on the framework, the bright dipping part of module 2 just in time faces toward the hollow space of framework, light is penetrated as shown in Figure 2 by the hollow space of framework when lighting, LED module 2 is fixed on the lamp bracket 1 by suitable spacing, make between the adjacent LED module 2 and leave the gap, LED module 2 also leaves suitable space with lamp bracket 1, and this just makes whole light fixture form certain air flow passage when work.The temperature height at LED module backside heat sheet place makes gas temperature height around its, and hot-air rises, and takes away heat.Because the air-flow draw, i.e. pressure difference, and then, the cold air of relatively high pressure between the module of light fixture bottom surface the space and the space between LED module and the lamp bracket enter, carry out heat exchange with radiator on the LED module, rise then and take away heat.Go round and begin again, form a stable heat dissipation channel.The driver 3 of light fixture is fixed on the lamp bracket 1, and the every road constant current output of driver 3 and a LED module 2 link to each other by water joint.Lamp bracket comprises the frame part, the mechanical part that is used for fixing led driver that are used for fixing LED module 2, is used for light fixture and the extraneous mechanical interface part that is connected, sometimes also comprise parts such as light fixture loam cake, bottom, edge decoration, this three part or four parts can try to design separately and make but the firm frame for movement that connects also can be the single piece by comprising of technology manufacturings such as die casting or stretching wherein any two parts or three parts or four parts.
The manufacturing process of this embodiment is as follows: LED module 2 is fixed on the lamp bracket 1 by suitable mechanical means, driver 3 is fixed on lamp bracket 1 by suitable mechanical means, then LED module 2 is connected with the water joint that the output of driver 3 carries, at last, by suitable mechanical device light fixture is fixed on the place of use.
This embodiment can be to be used for LED street lamp, LED Tunnel Lamp, LED bulkhead lamp capable etc.Their main difference is lamp bracket, particularly the mechanical part that is connected with the external world in the lamp bracket.As street lamp, then the coupling part is the mechanical fastening system that lamp stand can be inserted, and Tunnel Lamp, factories and miness lamp then are the position and the angles that light fixture can be fixed in tunnel or factory and regulate light fixture.
Embodiment 2: be illustrated in figure 4 as a LED street lamp schematic diagram that loam cake is arranged, 6 are framework that a plurality of hollows are arranged in planar structure on lamp bracket 1, LED module 2 is fixed on this framework by suitable spacing, the bright dipping part of module 2 just in time faces toward the hollow space of each framework, light is penetrated by the hollow space of framework when lighting, be fixed on LED module 2 on the framework of lamp bracket 1 by suitable spacing, make between the adjacent LED module 2 and leave the gap, the framework 6 on LED module 2 and the lamp bracket 1 also leaves suitable space; With being used for fixing the position 5 of driver on the driver 3 fixing lamp brackets in the drawings, LED module 2 is linked to each other by the water joint that carries with every road constant current output of driver 3 then, the loam cake 4 with light fixture covers at last, fixes by suitable mechanical device.Leave passage as shown in Figure 4 on the loam cake 4 of light fixture, the space between the framework 6 on gap between these passages and the LED module 2 and LED module 2 and the lamp bracket 1 constitutes an air flow passage jointly.The enclosure of light fixture is owing to the temperature height, and hot-air rises, and takes away heat.Because the air-flow draw, enter the space of the cold air of relatively high pressure between the module of light fixture bottom surface and rise, carry out heat exchange with radiator on the LED module in the light fixture, rise then and take away heat.Form a stable heat dissipation channel.
The manufacturing process of this embodiment is as follows: LED module 2 is fixed on the lamp bracket 1 by suitable mechanical means, driver 3 is fixed on the position 5 that is used for fixing driver on the lamp bracket by suitable mechanical means, again LED module 2 is connected by the water joint that carries with the output of driver 3, the loam cake 4 of light fixture covers then, fix by suitable mechanical device, at last, by anchor ear 7 light fixture is fixed on the street lamp post.
Claims (5)
1. modular high-power LED light fixture that utilizes airflow for natural heat radiation, form by lamp bracket (1), LED module (2), driver (3) with multiple constant current output, it is characterized in that LED module (2) links to each other with driver (3) by water joint, driver (3), LED module (2) are individually fixed on the lamp bracket (1), and lamp bracket (1) is installed by mechanical connecting part and outside thereon, position; Wherein: described LED module (2) adopts the LED light fixture module of inner surface luminous intensity distribution, and this LED module (2) light output surface is plane or almost plane.
2. the modular high-power LED light fixture that utilizes airflow for natural heat radiation according to claim 1 is characterized in that the LED module (2) that adopts is one or more according to luminous flux.
3. the modular high-power LED light fixture that utilizes airflow for natural heat radiation according to claim 1, it is characterized in that LED module (2) and lamp bracket (1) leave the space, perhaps leave the space between the LED module (2), perhaps all leave the space between LED module (2) and lamp bracket (1) and the LED module (2).
4. the modular high-power LED light fixture that utilizes airflow for natural heat radiation according to claim 1 is characterized in that driver (3) adopts the driver with multiple constant current output, every Lu Junyong water joint output.
5. the modular high-power LED light fixture that utilizes airflow for natural heat radiation according to claim 1, it is characterized in that lamp bracket (1) top is provided with loam cake, this loam cake is positioned at the top of LED module (2), on cover to be provided with passage or passage to be arranged in the side or reach the side in the above passage all arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206856963U CN201916806U (en) | 2010-12-29 | 2010-12-29 | Modularized high-power light emitting diode (LED) lamp using airflow for natural heat radiation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206856963U CN201916806U (en) | 2010-12-29 | 2010-12-29 | Modularized high-power light emitting diode (LED) lamp using airflow for natural heat radiation |
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| CN201916806U true CN201916806U (en) | 2011-08-03 |
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| CN2010206856963U Expired - Lifetime CN201916806U (en) | 2010-12-29 | 2010-12-29 | Modularized high-power light emitting diode (LED) lamp using airflow for natural heat radiation |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102011987A (en) * | 2010-12-29 | 2011-04-13 | 刘木清 | Modularized high-power LED (light emitting diode) lamp naturally dissipating heat by utilizing air flow |
| WO2013135200A1 (en) * | 2012-03-15 | 2013-09-19 | 杭州华普永明光电股份有限公司 | Led lighting device |
| CN107524930A (en) * | 2017-08-28 | 2017-12-29 | 盐城莱廷绍工业技术有限公司 | A kind of high-power modular LED light fixture |
| CN112815274A (en) * | 2020-12-31 | 2021-05-18 | 佛山市天匠照明工程有限公司 | Lamp with simple structure |
-
2010
- 2010-12-29 CN CN2010206856963U patent/CN201916806U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102011987A (en) * | 2010-12-29 | 2011-04-13 | 刘木清 | Modularized high-power LED (light emitting diode) lamp naturally dissipating heat by utilizing air flow |
| WO2013135200A1 (en) * | 2012-03-15 | 2013-09-19 | 杭州华普永明光电股份有限公司 | Led lighting device |
| GB2518528A (en) * | 2012-03-15 | 2015-03-25 | Hangzhou Hpwinner Opto Corp | LED lighting device |
| US9933145B2 (en) | 2012-03-15 | 2018-04-03 | Hangzhou Hpwinner Opto Corporation | LED lighting device |
| GB2518528B (en) * | 2012-03-15 | 2020-04-08 | Hangzhou Hpwinner Opto Corp | LED lighting device |
| CN107524930A (en) * | 2017-08-28 | 2017-12-29 | 盐城莱廷绍工业技术有限公司 | A kind of high-power modular LED light fixture |
| CN112815274A (en) * | 2020-12-31 | 2021-05-18 | 佛山市天匠照明工程有限公司 | Lamp with simple structure |
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| GR01 | Patent grant | ||
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Granted publication date: 20110803 |
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| CX01 | Expiry of patent term |