CN203323068U - Heat radiator of LED (Light Emitting Diode) streetlamp - Google Patents
Heat radiator of LED (Light Emitting Diode) streetlamp Download PDFInfo
- Publication number
- CN203323068U CN203323068U CN2013203738812U CN201320373881U CN203323068U CN 203323068 U CN203323068 U CN 203323068U CN 2013203738812 U CN2013203738812 U CN 2013203738812U CN 201320373881 U CN201320373881 U CN 201320373881U CN 203323068 U CN203323068 U CN 203323068U
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- China
- Prior art keywords
- heat radiator
- street lamp
- led street
- heat
- fin
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- 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.)
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/72—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps in street lighting
Abstract
The utility model discloses a heat radiator of an LED (Light Emitting Diode) streetlamp. The heat radiator is characterized by comprising a heat column, a plurality of heat radiating sheets, a connecting aluminum sleeve, a bottom plate and a lamp holder rack, wherein the connecting aluminum sleeve is sleeved on the external surface of the heat column, a plurality of grooves are formed in the external surface of the connecting aluminum sleeve, and the heat radiating sheets are fixedly connected with the connecting aluminum sleeve through the grooves; the heat column is connected with the lamp holder rack through the bottom plate. The heat radiator of the LED streetlamp has the beneficial effects that working fluid of capillary tissue is fully filled by using a fully-communicated capillary structure inside the heat column, and the boiling point of a liquid working medium is lowered through vacuumizing, so that the liquid working medium overcomes gravity, can be subjected to vapor-liquid change during hot and cold exchange and is circulated by a capillary force, and then, heat transfer capability is improved.
Description
Technical field
The utility model relates to the radiator field, specifically, specially refers to a kind of LED street lamp heat radiator.
Background technology
High-power LED street lamp moves to maturity gradually through tortuous development for many years, the lumen per watt number rose to twice between several years, the application surface of ultra-high brightness LED street lamp constantly enlarges, it is exactly light decay that review affects one of great reason to LED street lamp performance quality for a long time, the major reason that causes light decay is a heat radiation difficult problem, the heat radiation industry of conducting heat both at home and abroad all drops into a large amount of research, smaller power LED street lamp utilizes material and optimizing structure design can substantially solve heat radiation, the LED road lamp cooling scheme of power more than 150W accepted the heat-pipe radiator that Transformation Principle is made mostly, the maximum characteristics that Transformation Principle is conducted heat are that heat transfer rate is exceedingly fast with lightweight, cooperation has been given play to good effect in industry with rational thermal component, but the phase transformation heat pipe is owing to overcoming gravity, the heat-transfer working medium environmental protection, working medium latent heat of vaporization ability, the many factors such as vacuum maintenance, select the improper or bad meeting of manufacturing process in safety, environmental protection, the life-span aspect causes puzzlement.
The utility model content
The utility model actual purpose is for deficiency of the prior art, a kind of LED street lamp heat radiator is provided, utilize the full UNICOM capillary structure of plume inside, fully fill the hydraulic fluid of capillary structure, vacuumize the boiling point that reduces liquid working substance, possessing the gravity of overcoming can change and lean on the capillary force circulation in cold and hot exchange process vapour-liquid, improves heat-transfer capability.
The technical problem that the utility model solves can realize by the following technical solutions:
A kind of LED street lamp heat radiator is characterized in that: comprise plume, some fin, connection aluminium cover, radiating bottom plate and lamp holder; The appearance surface cover of described plume has a connection aluminium cover, and the outer surface of described connection aluminium cover offers some grooves, described fin by groove be connected the aluminium cover and be connected and fixed; Described thermal column is by the radiating bottom plate connecting lamp headstock.
Further, described groove is trapezoidal groove, and an end of described fin is arranged in trapezoidal groove, and connects with being connected the aluminium cover and fix by interference, and both are integral with ac argon arc weld melting welding the end, coupling part.
Further, described groove is rectangular recess, and an end of described fin is arranged in rectangular recess, and assembles and be connected the combination of aluminium cover by interference, and described fin is provided with and increases bonding area and slip-off preventing convex tendon with the faying face both sides that are connected the aluminium cover.
Further, described radiating bottom plate comprises copper soleplate and composite bottom board, and described copper soleplate is connected with thermal column by integral structure, and described composite bottom board is arranged at the outside of copper soleplate.
Further, the inside of described plume has capillary structure, in described capillary structure, is filled with liquid medium.
Further, the outside of described fin is provided with minute tooth for increasing area of dissipation, and the inboard of fin is provided with the convex tendon for increasing area of dissipation.
Further, the centre position of described connection aluminium cover offers endoporus, and described endoporus is provided with some air channels of being convenient to assembling.
Further, the junction of described thermal column and radiating bottom plate is provided with sealing ring and water joint.
Compared with prior art, the beneficial effects of the utility model are as follows:
Utilize the full UNICOM capillary structure of thermal column inside, fully fill the hydraulic fluid of capillary structure, vacuumize the boiling point that reduces liquid working substance, possessing the gravity of overcoming can change and lean on the capillary force circulation in cold and hot exchange process vapour-liquid, improves heat-transfer capability.
The accompanying drawing explanation
The structural representation that Fig. 1 is LED street lamp heat radiator described in the utility model.
The B-B structural representation that Fig. 2 is Fig. 1.
The partial enlarged drawing that Fig. 3 is LED street lamp heat radiator described in the utility model.
Fig. 4 is fin described in the utility model and the connection diagram that is connected the aluminium cover.
The number in the figure explanation: 100. thermal column 110. sealing ring 120. water joint 200. fin 300. connect aluminium and overlap 400. radiating bottom plate 500. lamp holder 600. dust covers.
The specific embodiment
For technological means, creation characteristic that the utility model is realized, reach purpose and effect is easy to understand, below in conjunction with the specific embodiment, further set forth the utility model.
Referring to Fig. 1-Fig. 4, a kind of LED street lamp heat radiator described in the utility model, comprise plume 100, some fin 200, connect aluminium cover 300, radiating bottom plate 400 and lamp holder 500; The appearance surface cover of described plume 100 has a connection aluminium cover 300, and the outer surface of described connection aluminium cover 300 offers some grooves, described fin 200 by groove be connected aluminium and overlap 300 and be connected and fixed; Described plume 100, by the radiating bottom plate 400 connecting lamp headstocks 500, also is provided with dust cover 600 on the surface of radiating bottom plate 400.
Described groove is rectangular recess, and an end of described fin 200 is arranged in rectangular recess, and connects with to be connected aluminium cover 300 fixing by interference.
One side of described fin 200 is arranged in rectangular recess, and fixes with being connected aluminium cover 300 by both interference fit, and the end, coupling part is integral with ac argon arc weld melting welding.Described fin 200 is provided with the anti-scattered convex tendon that comes off with the faying face both sides that are connected aluminium cover 300.
Described radiating bottom plate 400 comprises copper soleplate and composite bottom board, and described copper soleplate is connected with thermal column 100 by integral structure, and described composite bottom board is arranged at the outside of copper soleplate.
The inside of described thermal column 100 has capillary structure, in described capillary structure, is filled with liquid medium.During LED chip work, dissipation of heat is delivered to rapidly plume base plate 400, due to the capillary structure application of vacuum of thermal column 100 inside, and be filled with liquid working substance, the vaporization of seething with excitement below 30 ℃ at normal temperature, discharge latent heat after the working medium vaporization, rapidly heat is delivered to fin 200.
The outside of described fin 200 is provided with minute tooth for increasing area of dissipation, and the inboard of fin 200 is provided with the convex tendon for increasing area of dissipation.
The centre position of described connection aluminium cover 300 offers endoporus, and described endoporus is provided with some air channels of being convenient to assembling, and the inner surface of described endoporus has some slip-off preventing grooves.The size of slip-off preventing groove is less than the size of fin 300, there is material structure elasticity, guarantee to install coordinate closely, outwards can not come off, radially can displacement, left and right is loosening, connects aluminium cover 300 and is equipped with fin 200 and makes the LED street lamp that the Long Circle radiator is more suitable for array light source.
When plume 100 transferring heats arrive the inner chamber of fin 200, hot-air gentlier moves to top, stack effect can make cold air cover upwards rapidly, approach vertical cavity and be difficult for dust stratification and dust, even also can wash away clean while having a small amount of dust to rain, radiator can carry out surperficial anode processing or Nickel Plating Treatment, to meet the requirement of the complex environments such as anticorrosion.
Radiating bottom plate of the present utility model can be made copper and aluminium different size, is easier to reach the IP65 waterproof requirement, and wherein whole aluminum soleplate adopts friction stir welding, makes base plate welding one integrated mass.The present invention compares with conventional aluminium section bar aluminium die casting LED street lamp heat radiator, and present stage can be applied to LED street lamp between 100W～600W, has that the heat transfer heat dispersion is excellent, lightweight, a good looking appearance, the obvious characteristics of differentiation.
The junction of described plume 100 and radiating bottom plate 400 is provided with sealing ring 120 and water joint 110.In addition, can also, according to LED street lamp watt level, adjust the size of plume 100, aluminium adapter sleeve 300 and fin 200.For the ease of the cold and hot air exchange of heat radiation process, design in case of necessity two-layer, three layers or more, can meet the more heat radiation difficult problem of high-power LED street lamp.
Above demonstration and described basic principle of the present utility model and principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; that in above-described embodiment and specification, describes just illustrates principle of the present utility model; under the prerequisite that does not break away from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall in claimed the utility model scope.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (8)
1. a LED street lamp heat radiator, is characterized in that: comprise plume (100), some fin (200), connect aluminium cover (300), base plate (400) and lamp holder (500); The appearance surface cover of described plume (100) has a connection aluminium cover (300), and the outer surface of described connection aluminium cover (300) offers some grooves, described fin (200) by groove be connected aluminium cover (300) and be connected and fixed; Described plume (100) is by base plate (400) the connecting lamp headstock (500).
2. LED street lamp heat radiator according to claim 1, it is characterized in that: described groove is trapezoidal groove, an end of described fin (200) is arranged in trapezoidal groove, and connects with to be connected aluminium cover (300) fixing by interference.
3. LED street lamp heat radiator according to claim 1, it is characterized in that: described groove is rectangular recess, one end of described fin (200) is arranged in rectangular recess, and fix with being connected aluminium cover (300) by heat-conducting glue, described fin (200) is provided with the anti-scattered convex tendon that comes off with the faying face both sides that are connected aluminium cover (300).
4. LED street lamp heat radiator according to claim 1, it is characterized in that: described radiating bottom plate (400) comprises copper soleplate and composite bottom board, described copper soleplate is connected with thermal column (100) by integral structure, and described composite bottom board is arranged at the outside of copper soleplate.
5. LED street lamp heat radiator according to claim 1, it is characterized in that: the inside of described thermal column (100) has capillary structure, in described capillary structure, is filled with liquid medium.
6. LED street lamp heat radiator according to claim 1 is characterized in that: the outside of described fin (200) is provided with minute tooth for increasing area of dissipation, and the inboard of fin (200) is provided with the convex tendon for increasing area of dissipation.
7. LED street lamp heat radiator according to claim 1, it is characterized in that: the centre position of described connection aluminium cover (300) offers endoporus, described endoporus is provided with some air channels of being convenient to assembling, and the inner surface of described endoporus has some slip-off preventing grooves.
8. LED street lamp heat radiator according to claim 1, it is characterized in that: the junction of described thermal column (100) and radiating bottom plate (400) is provided with sealing ring (120) and water joint (110).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203738812U CN203323068U (en) | 2013-06-25 | 2013-06-25 | Heat radiator of LED (Light Emitting Diode) streetlamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203738812U CN203323068U (en) | 2013-06-25 | 2013-06-25 | Heat radiator of LED (Light Emitting Diode) streetlamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203323068U true CN203323068U (en) | 2013-12-04 |
Family
ID=49662415
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203738812U Expired - Fee Related CN203323068U (en) | 2013-06-25 | 2013-06-25 | Heat radiator of LED (Light Emitting Diode) streetlamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203323068U (en) |
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2013
- 2013-06-25 CN CN2013203738812U patent/CN203323068U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131204 Termination date: 20210625 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |