CN102748736A - LED (light-emitting diode) lamp radiator - Google Patents
LED (light-emitting diode) lamp radiator Download PDFInfo
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- CN102748736A CN102748736A CN2012102071318A CN201210207131A CN102748736A CN 102748736 A CN102748736 A CN 102748736A CN 2012102071318 A CN2012102071318 A CN 2012102071318A CN 201210207131 A CN201210207131 A CN 201210207131A CN 102748736 A CN102748736 A CN 102748736A
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- conducting plate
- heat conducting
- led lamp
- lamp radiator
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Abstract
The invention relates to an LED (light-emitting diode) lamp radiator, which comprises a heat conducting plate which is in contact with a heat source to realize heat transfer, and radiating fins which are arranged on the heat conducting plate. Radiating ribs are arranged on the back surface of the heat conducting plate and the radiating fins. An arc-shaped top plate which is used for covering the radiating fins is arranged at one ends of the radiating fins. Ventilation holes are arranged on the top plate and the heat conducting plate. The surface roughness of the heat conducting surface of the heat conducting plate is less than 3.2mum, the radiating ribs are arranged on the back surface of the heat conducting plate and the heat conducting plate is treated by adopting a technology of sand blasting first and then anodic oxidation. The radiator has a simple structure, good radiating performance and high universality, the radiator can be matched with lenses, sealing rings, aluminum base plates, rubber plugs and the like with different light distribution curves, and standard modular radiators can be easily manufactured and can be used with various outdoor illuminating lamps such as streetlamps, tunnel lamps and projection lamps in a matched way.
Description
Technical field
The present invention relates to a kind of LED lamp radiator, belong to the LED lighting technical field.
Background technology
Because LED lamp majority uses out of doors under the adverse circumstances, should consider that the dustproof and waterproof protection against the tide considers heat dissipation problem again.The research and development of present various types of LED lamp radiator structures are progressively moved towards deeply.In the industry, in order to solve heat radiation, strengthen area of dissipation, adopt the mode of encrypting the radiated rib spacing usually, radiator integral is open.Also have, in order to solve the too high problem of hot device medium temperature, it is separately changed into the module is the unit heat radiation, is called the open radiator of module.Though these open radiator structures have solved the heat dissipation problem of LED to a certain extent, often waterproof does not reach requirement, often causes light source and electronic devices and components to damage, and makes the light fixture can't operate as normal.In addition; Using in the LED outdoor lamp use of these open heat spreader structures can a large amount of dust, the foreign material of absorption; These foreign material are deposited between radiated rib and can not in time clean, and What is more is that birds, muroid as warmer, have been built up own home to radiator in the above; Cause the radiator heat-dissipation deterioration, thereby had influence on the light efficiency and the life-span of LED lamp.
In the industry; Also some optimizes the scheme of open radiator heat-dissipation effect; For example reduce the radiated rib height, rationally reduce radiated rib quantity and add protective cover or whole lamp adds designs such as protective cover, but this makes the LED modulated structure complicated undoubtedly; Making LED lamp cost originally with high costs continue to increase, is not the preferred plan of dealing with problems.
Summary of the invention
To the problems referred to above, the present invention provide a kind of perfect heat-dissipating, simple for structure, cost is relatively low and have the LED lamp radiator of self-cleaning ability.
The technical scheme that the present invention takes is following: a kind of LED lamp radiator, comprise contacting the heat-conducting plate realizing heat and derive with source of heat release, being arranged on the radiated rib on the heat-conducting plate, and be equipped with radiating ribs on the said heat-conducting plate back side and the radiated rib; The said radiated rib other end is provided with the top board that is used to hide radiated rib; On top board and heat-conducting plate, be provided with air-vent.
Preferably, said top board is a globoidal structure.
Preferably, the thermal conductive surface surface roughness of said heat-conducting plate is less than 3.2um, and the anodised PROCESS FOR TREATMENT that sandblasts is earlier more then adopted at the back side, and at its back side radiating ribs is set.
Preferably, the spacing of said radiated rib is set to 20-24mm; The thickness of said heat-conducting plate and radiated rib is set to 3-4mm.
Preferably, said heat-conducting plate is provided with the taper wire hole.
Preferably, said heat-conducting plate two ends annex also is provided with and is respectively equipped with baffle plate, and the baffle plate upper end fuses with the top board side, and baffle plate has the stage portion that outwards is bent to form, and two baffle plates and top board form Chinese character pin-shaped structure.
Compared with prior art, the present invention has the following advantages:
(1) the cambered surface top board is established at said radiator top; Fin is hidden interior; Can effectively prevent to pile up a large amount of impurities and dust on the fin and then influence radiating effect; Guarantee the circulation of radiated rib and outside air, also can play the certain protection effect to the lamp interior device simultaneously, prolong the service life of light fixture; The design of top board cambered surface is difficult for depositing in foreign material, is beneficial to rain-out, has self-cleaning function;
(2) set up radiating ribs on heat-conducting plate and the radiated rib, all establish air-vent on heat-conducting plate and the top board, created the condition that produces stack effect, in limited space, realize circulation of air to greatest extent, effectively improve radiating effect;
(3) said radiator conducts through the thickness and the fin quantity optimization heat of appropriate design heat-conducting plate and radiated rib, and it is the highest that rate of heat dissipation on certain space and the area is accomplished, effectively improves radiating effect;
(4) the heat-conducting plate two sides thermal conductive surface and the back side adopt the different surface treatment method mode to optimize heat radiation respectively; The absorptivity that improves in the thermal conductive surface heat emissivity coefficient reduces reflectivity; The absorptivity that reduces in the radiation coefficient of the back side improves reflectivity, leads better radiating effect thereby reach;
(5) said radiator profile adopts Chinese character pin-shaped structure; Highly versatile; Can cooperate lens, sealing ring, aluminium base, plug of different distribution curve fluxs etc., be easy to the supporting uses of multiple outdoor lighting lamp such as production standard module radiator and street lamp, Tunnel Lamp, Projecting Lamp.
Description of drawings
Accompanying drawing 1 is a radiator example structure sketch map according to the invention;
Accompanying drawing 2 be embodiment illustrated in fig. 1 described in the heat-conducting plate sketch map;
Accompanying drawing 3 is A-A generalized sections among Fig. 2;
Accompanying drawing 4 be embodiment illustrated in fig. 1 described in schematic top plan view;
Accompanying drawing 5 is the closed cambered surface radiator of embodiment of the invention LED lamp gas flow polar plots.
The specific embodiment
In order to let those skilled in the art better understand the present invention, the present invention is done further detailed description below in conjunction with accompanying drawing and embodiment.
LED lamp radiator of the present invention, shown in accompanying drawing 1-4, its outward appearance is an isosceles triangle; The top is closed cambered surface top board 3; The bottom is a heat-conducting plate 1, and many radiated ribs 2 that distribute between top board 3 and the heat-conducting plate 1 divide sarong dentation radiating ribs 9 at the back side of radiated rib 2 and heat-conducting plate 1.Respectively baffled 4 in the radiated rib both sides, the baffle plate upper end fuses with the top board side, and baffle plate has the stage portion 41 that outwards is bent to form, so from seeing in appearance, two baffle plates and top board form Chinese character pin-shaped structure.Two baffle plates also can directly be arranged to radiated rib, and stage portion is set on it.On top board 3 and the heat-conducting plate 1 air-vent 10 is set respectively also.
Because the LED lamp, also will be considered to possess certain self-cleaning ability and reduce the hidden danger that foreign material are piled up so not only require degree of protection high through being usually used in outdoor adverse circumstances, more will optimize its heat sinking function, strengthens the thermal convection current ability.Therefore, the present invention adopts the design of cambered surface top board, and radiated rib is covered in, and reduce the possibility that foreign material are piled up, and foreign material is difficult on cambered surface, storing, even a small amount of foreign material are arranged, also can rinse out automatically by rainwater.
During use, aluminium base tightly is fixed on through fixing hole 6 on the thermal conductive surface of heat-conducting plate 1, and the heat of aluminium base goes out from the thermal conductive surface conduction.The present invention carries out special mechanical process through the thermal conductive surface and the back side to heat-conducting plate 1, makes thermal conductive surface smooth as far as possible, and thermal conductive surface is fully contacted with aluminium base, and the heat-conducting plate back side then is provided with skirt dentation radiating ribs, increases area of dissipation.Simultaneously, quantity, spacing and the thickness of heat-conducting plate thickness, radiated rib also is optimized, realizes even Rapid Thermal conduction, improve heat-conducting effect and heat dissipation capacity to greatest extent.The general requirement: the surface roughness of thermal conductive surface 11 is directly carried out anodized less than 3.2 um, and the anodised PROCESS FOR TREATMENT that sandblasts is earlier again adopted at the back side of heat-conducting plate 1; The spacing of radiated rib is controlled at 20-24mm, and the THICKNESS CONTROL of heat-conducting plate 1 and radiated rib 2 is at 3-4mm.Adopt highly preferred feelings in the present embodiment: the spacing of radiated rib is 22mm, and the thickness of heat-conducting plate 1 and radiated rib 2 is 3mm, and 11 radiated ribs are arranged.Radiated rib on the heat-conducting plate is consistent with skirt dentation radiating ribs direction; With vertical setting of radiator heat-conducting plate direction, form maximum Natural Heat Convection amount, corresponding just have a best free convection circulating direction; Make that cold-hot air convection is smooth and easy to reach maximization, realize that light source joint temperature is lower with circumstance of temperature difference.
On cambered surface top board 3 and heat-conducting plate 1, design air-vent, created the condition that produces stack effect.Regard said radiator as three-dimensional words, air can flow in level or vertical direction along the gap of radiated rib.And on cambered surface top board 3 and heat-conducting plate 1, design air-vent, and realize air flowing on vertical direction between heat-conducting plate and the top board, improved the heat dissipation capacity of radiator.In the present embodiment, on the radiator, every watt of area of dissipation is up to arriving 5000MM
2More than, be generally speaking three times.
In the present embodiment, also be provided with outlet taper hole 5, can realize water-tight light source water-tight and leading-out terminal at the heat-conducting plate two ends.
The lamp of LED described in the present invention radiator is set about from details aspects such as selection, manufacture crafts, adopts waterproof simplified design, optimizing thermal solution design, convection current to strengthen design in structure aspects, and novelty is obvious.Among the embodiment shown in above-mentioned Fig. 1-4, the about 500g of entire radiator weight, area of dissipation reaches 175000MM
2More than, can easily solve heat radiation and waterproof problem that power is the 32W light source, realize independent waterproof, independent heat radiation.
Use radiator according to the invention, as required layout in the whole lamp is adjusted, can realize the secondary optimizing thermal solution, can control LED pad and circumstance of temperature difference and be no more than 25 ℃, in addition lower, guaranteeing LED light fixture working stability, light efficiency is stable.
Claims (8)
1. LED lamp radiator is characterized in that: comprise contacting the heat-conducting plate (1) realizing heat and derive with source of heat release, being arranged on the radiated rib (2) on the heat-conducting plate (1), be equipped with radiating ribs on the said heat-conducting plate back side and the radiated rib; Said radiated rib (2) other end is provided with the top board (3) that is used to hide radiated rib; On top board (3) and heat-conducting plate (1), be provided with air-vent.
2. LED lamp radiator according to claim 1 is characterized in that: said top board (3) is a globoidal structure.
3. LED lamp radiator according to claim 1 is characterized in that: thermal conductive surface (11) surface roughness of said heat-conducting plate (1) is less than 3.2um.
4. LED lamp radiator according to claim 1 is characterized in that: the anodised PROCESS FOR TREATMENT that sandblasts is earlier again adopted at the back side of said heat-conducting plate (1).
5. LED lamp radiator according to claim 1 is characterized in that: the spacing of said radiated rib is 20-24mm.
6. LED lamp radiator according to claim 1 is characterized in that: the thickness of said heat-conducting plate (1) and radiated rib (2) is 3-4mm.
7. LED lamp radiator according to claim 1, it is characterized in that: said heat-conducting plate is provided with the taper wire hole.
8. according to any described LED lamp radiator among the claim 1-7; It is characterized in that: said heat-conducting plate (1) two ends annex also is provided with and is respectively equipped with baffle plate (4); Baffle plate (4) upper end fuses with top board (3) side; Baffle plate (4) has the stage portion (41) that outwards is bent to form, and two baffle plates and top board form Chinese character pin-shaped structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102071318A CN102748736A (en) | 2012-06-21 | 2012-06-21 | LED (light-emitting diode) lamp radiator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102071318A CN102748736A (en) | 2012-06-21 | 2012-06-21 | LED (light-emitting diode) lamp radiator |
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| Publication Number | Publication Date |
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| CN102748736A true CN102748736A (en) | 2012-10-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012102071318A Pending CN102748736A (en) | 2012-06-21 | 2012-06-21 | LED (light-emitting diode) lamp radiator |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103759234A (en) * | 2014-01-02 | 2014-04-30 | 浙江通明电器有限公司 | LED lamp radiator, method for machining same and LED lamp |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201575363U (en) * | 2009-11-26 | 2010-09-08 | 阳光佰鸿新能源武汉有限公司 | LED street lamp with excellent heat dissipation performance |
| CN101915409A (en) * | 2010-06-29 | 2010-12-15 | 梅州江南电器有限公司 | Environment-friendly heat dissipation structure of LED lamp and manufacturing method thereof |
| CN202012887U (en) * | 2010-12-17 | 2011-10-19 | 河北格林光电技术有限公司 | Air convection cavity type radiator |
| CN202598457U (en) * | 2012-06-21 | 2012-12-12 | 天宝电子（惠州）有限公司 | Light-emitting diode (LED) lamp radiator |
-
2012
- 2012-06-21 CN CN2012102071318A patent/CN102748736A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201575363U (en) * | 2009-11-26 | 2010-09-08 | 阳光佰鸿新能源武汉有限公司 | LED street lamp with excellent heat dissipation performance |
| CN101915409A (en) * | 2010-06-29 | 2010-12-15 | 梅州江南电器有限公司 | Environment-friendly heat dissipation structure of LED lamp and manufacturing method thereof |
| CN202012887U (en) * | 2010-12-17 | 2011-10-19 | 河北格林光电技术有限公司 | Air convection cavity type radiator |
| CN202598457U (en) * | 2012-06-21 | 2012-12-12 | 天宝电子（惠州）有限公司 | Light-emitting diode (LED) lamp radiator |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103759234A (en) * | 2014-01-02 | 2014-04-30 | 浙江通明电器有限公司 | LED lamp radiator, method for machining same and LED lamp |
| CN103759234B (en) * | 2014-01-02 | 2015-12-23 | 浙江通明电器有限公司 | The processing method of a kind of LED lamp heat sink, this radiator and LED |
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Application publication date: 20121024 |