CN203298260U - High-power LED lamp with heat pipe - Google Patents
High-power LED lamp with heat pipe Download PDFInfo
- Publication number
- CN203298260U CN203298260U CN2013203496673U CN201320349667U CN203298260U CN 203298260 U CN203298260 U CN 203298260U CN 2013203496673 U CN2013203496673 U CN 2013203496673U CN 201320349667 U CN201320349667 U CN 201320349667U CN 203298260 U CN203298260 U CN 203298260U
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- Prior art keywords
- heat pipe
- heat
- led lamp
- power led
- lamp
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Abstract
The utility model provides a high-power LED lamp with a heat pipe. The LED lamp comprises a lamp shell, wherein the two ends of the lamp shell are open, the lamp shell is of a truncated cone shape, and an LED light-emitting component is contained in the lamp shell. A lampshade is arranged on the opening portion of the lower end of the lamp shell. A radiator composed of a plurality of radiating fins is arranged on the opening portion of the upper end of the lamp shell. The high-power LED lamp with the heat pipe is characterized in that the LED light-emitting component comprises a radiating substrate and an LED chip attached to the radiating substrate, and the heat pipe is fixed on the radiating substrate. Heat is transferred outside rapidly through phase transition of liquid in the heat pipe, wherein the liquid has a low boiling point. Compared with a traditional LED lamp, the high-power LED lamp with the heat pipe is light in weight, high in heat transfer efficiency, high in reliability after working for a long time and particularly suitable for panoramic illumination in the regions with strong wind and severe environments.
Description
Technical field
The utility model relates to a kind of LED light fixture, relates in particular to a kind of high-power LED lamp with heat pipe.
Background technology
the heat radiation of tradition LED light fixture is mainly to rely on the radiator that is comprised of a plurality of radiating fins to complete, by the quantity that increases radiating fin and the heat-sinking capability that highly strengthens radiator, this radiator structure has played good radiating effect for low power LED light fixture, for some powerful light fixtures, picture power is between 100W-500W, want to guarantee that the interior temperature of lamp housing is in the working range of LED chip, need constantly to increase quantity and the area of dissipation of radiating fin, and radiating fin is all to use aluminium, the metal materials such as copper are made, the increase of quantity can increase the weight of the weight of whole light fixture undoubtedly, bring difficulty for the installation in later stage, on the other hand, the quantity that is not radiating fin according to effective experimental data demonstration is more, highly higher radiating effect is just better, both relations are not linear, but convergence, therefore, the research and development of high-power LED lamp at present and production are in the bottleneck phase of a development because of heat dissipation problem.
Summary of the invention
In order to solve the deficiency in background technology, the purpose of this utility model is to overcome the defect of background technology, a kind of high-power LED lamp with heat pipe is provided, by heat pipe, the heat that the LED light fixture produces is passed to radiator fast, greatly improve the heat-sinking capability of light fixture under the prerequisite that does not increase light fixture weight, be beneficial to the later stage installation.
For achieving the above object, the technical solution adopted in the utility model is: a kind of high-power LED lamp with heat pipe, described LED light fixture comprises that the inside of round platform taper both ends open is equipped with the lamp housing of LED luminescence component, the lower ending opening place of described lamp housing is provided with lampshade, the upper end open place of described lamp housing is provided with the radiator that is comprised of a plurality of radiating fins, it is characterized in that: described LED luminescence component comprises heat-radiating substrate and the LED chip that is attached on described heat-radiating substrate, is fixed with heat pipe on described heat-radiating substrate.
In preferred embodiment of the utility model, comprise that further described heat pipe comprises evaporator section and the condensation segment in mutual formation loop, described evaporator section is fixed on described heat-radiating substrate, and described condensation segment stretches out described heat-radiating substrate and is connected with described radiator.
In preferred embodiment of the utility model, further comprise the position of the position of described evaporator section lower than described condensation segment.
In preferred embodiment of the utility model, comprise that further working media in described heat pipe is one or both the combination wherein of highly purified water, acetone, liquefied chlorine.
In preferred embodiment of the utility model, comprise that further described heat pipe is the copper heat pipe.
In preferred embodiment of the utility model, comprise that further described lampshade is to be formed by two-way mirror, prism glass, one of them tension and compression of polished aluminum.
Usefulness of the present utility model is: a kind of high-power LED lamp with heat pipe of the present utility model, adopt heat pipe as heat-conducting piece, phase transformation by low-boiling point liquid in heat pipe conducts heat fast, compare with traditional LED light fixture, the utility model is lightweight, heat transfer efficiency is high, the high reliability of long-term work, and the regional panorama illumination that is particularly suitable for high wind, adverse circumstances is used.
Description of drawings
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Fig. 1 is the structural representation of a kind of high-power LED lamp with heat pipe of the present utility model.
In figure: 2, lamp housing, 4, the LED luminescence component, 6, lampshade, 8, radiating fin, 10, radiator, 12, heat-radiating substrate, 14, LED chip, 16, heat pipe, 18, evaporator section, 20, condensation segment.
The specific embodiment
In order to make those skilled in the art person understand better the utility model scheme, and above-mentioned purpose of the present utility model, feature and advantage can be become apparent more, below in conjunction with embodiment and embodiment accompanying drawing, the utility model is described in further detail.
As shown in Figure 1, a kind of high-power LED lamp with heat pipe, described LED light fixture comprises that the inside of round platform taper both ends open is equipped with the lamp housing 2 of LED luminescence component 4, the upper end open place of lamp housing 2 is provided with the radiator 10 that is comprised of a plurality of radiating fins 8, radiating fin 8 can be made by aluminium matter or the high material of thermal conductivity factor such as copper, good heat dissipation effect; The lower ending opening place of lamp housing 2 is provided with lampshade 6, wherein, lampshade 6 can be formed by materials in tension and compression such as two-way mirror, prism glass, polished aluminums, can obtain wide light distributes, be suitable for large tracts of land, working face is vertical or subvertical workplace, throw light on as wall face panoramas such as ore deposit factory hoistway, large-scale medical, chemical factory, viaduct, landmarks.
special feature of the present utility model is that LED luminescence component 4 comprises the heat-radiating substrate 12 and the LED chip 14 that is attached on heat-radiating substrate 12 of aluminium matter, also be fixed with heat pipe 16 on heat-radiating substrate 12, heat pipe 16 is that a kind of phase transition process that utilizes absorbs/product of distribute heat, mainly by shell and capillary wick, formed, negative pressure state will be pumped in pipe, be filled with lower boiling liquid, temperature while considering the work of LED light fixture, can the highly purified water of Selective filling, acetone, liquefied chlorine one or both combination wherein, after filling, make in the capillary wick pore of being close to inside pipe wall after being full of liquid and sealed.one end of heat pipe 16 is evaporator section 18, evaporator section 18 is fixed on heat-radiating substrate 12, the other end is condensation segment 20, condensation segment 20 stretches out heat-radiating substrate 12 and is connected with radiator 10, form mutually the loop of medium work between evaporator section 18 and condensation segment 20, during light fixture work, LED chip 14 produces heat by the evaporator section 18 of heat-radiating substrate 14 conduction to heat pipe 16, when evaporator section 18 is heated, low-boiling point liquid in pipe can be because of the evaporation rapidly of being heated, steam flows to rapidly the condensation segment 20 of the other end under small pressure reduction, after releases heat, the steam regelation becomes liquid, liquid flows back to again evaporator section by capillary attraction and self gravitation effect, so circulation is more than, continuous transferring heat.Heat pipe has high heat transfer, heat conductivility, inner liquid can recycle, can guarantee the high reliability of LED light fixture long-term work, greatly improve the heat-sinking capability of light fixture under the prerequisite that does not increase light fixture weight, be beneficial to the later stage installation, the regional panorama illumination that is particularly suitable for high wind, adverse circumstances is used.
Quick backflow for steam after condensation segment 20 condenses into liquid,, with the position of the position of evaporator section 18 lower than condensation segment 20, avoid stoping liquid backflow because of liquid because of the Pressure Drop that self gravitation produces during design.
Preferably, in order further to improve radiating effect, heat pipe 16 adopts the copper heat pipe, and copper is large than the thermal conductivity factor of aluminium, and is low than silver-colored cost.
Above-described embodiment is the better embodiment of the utility model; but embodiment of the present utility model is not limited by the examples; other any do not deviate from change, the modification done under Spirit Essence of the present utility model and principle, substitutes, combination, simplify the substitute mode that all should be equivalence, within being included in protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain that claim was defined.
Claims (6)
1. high-power LED lamp with heat pipe, described LED light fixture comprises that the inside of round platform taper both ends open is equipped with the lamp housing of LED luminescence component, the lower ending opening place of described lamp housing is provided with lampshade, the upper end open place of described lamp housing is provided with the radiator that is comprised of a plurality of radiating fins, it is characterized in that: described LED luminescence component comprises heat-radiating substrate and the LED chip that is attached on described heat-radiating substrate, is fixed with heat pipe on described heat-radiating substrate.
2. a kind of high-power LED lamp with heat pipe according to claim 1, it is characterized in that: described heat pipe comprises evaporator section and the condensation segment in mutual formation loop, described evaporator section is fixed on described heat-radiating substrate, and described condensation segment stretches out described heat-radiating substrate and is connected with described radiator.
3. a kind of high-power LED lamp with heat pipe according to claim 2, it is characterized in that: the position of described evaporator section is lower than the position of described condensation segment.
4. a kind of high-power LED lamp with heat pipe according to claim 3 is characterized in that: the working media in described heat pipe is one or both the combination wherein of highly purified water, acetone, liquefied chlorine.
5. a kind of high-power LED lamp with heat pipe according to claim 4, it is characterized in that: described heat pipe is the copper heat pipe.
6. a kind of high-power LED lamp with heat pipe according to claim 1, it is characterized in that: described lampshade is to be formed by two-way mirror, prism glass, one of them tension and compression of polished aluminum.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203496673U CN203298260U (en) | 2013-06-19 | 2013-06-19 | High-power LED lamp with heat pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203496673U CN203298260U (en) | 2013-06-19 | 2013-06-19 | High-power LED lamp with heat pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203298260U true CN203298260U (en) | 2013-11-20 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203496673U Expired - Fee Related CN203298260U (en) | 2013-06-19 | 2013-06-19 | High-power LED lamp with heat pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203298260U (en) |
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2013
- 2013-06-19 CN CN2013203496673U patent/CN203298260U/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: 20131120 Termination date: 20140619 |
|
| EXPY | Termination of patent right or utility model |