CN101749656B - LED lamp - Google Patents
LED lamp Download PDFInfo
- Publication number
- CN101749656B CN101749656B CN2008102202750A CN200810220275A CN101749656B CN 101749656 B CN101749656 B CN 101749656B CN 2008102202750 A CN2008102202750 A CN 2008102202750A CN 200810220275 A CN200810220275 A CN 200810220275A CN 101749656 B CN101749656 B CN 101749656B
- Authority
- CN
- China
- Prior art keywords
- heat pipe
- light emitting
- emitting diode
- led lamp
- radiating fin
- Prior art date
- 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.)
- Expired - Fee Related
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
- F21V29/74—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades
- F21V29/78—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with helically or spirally arranged fins or blades
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/51—Cooling arrangements using condensation or evaporation of a fluid, e.g. heat pipes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
- F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
- F21K9/20—Light sources comprising attachment means
- F21K9/23—Retrofit light sources for lighting devices with a single fitting for each light source, e.g. for substitution of incandescent lamps with bayonet or threaded fittings
- F21K9/232—Retrofit light sources for lighting devices with a single fitting for each light source, e.g. for substitution of incandescent lamps with bayonet or threaded fittings specially adapted for generating an essentially omnidirectional light distribution, e.g. with a glass bulb
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
- F21V29/74—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades
- F21V29/77—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical diverging planar fins or blades, e.g. with fan-like or star-like cross-section
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
- F21V29/83—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks the elements having apertures, ducts or channels, e.g. heat radiation holes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V3/00—Globes; Bowls; Cover glasses
- F21V3/02—Globes; Bowls; Cover glasses characterised by the shape
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2107/00—Light sources with three-dimensionally disposed light-generating elements
- F21Y2107/40—Light sources with three-dimensionally disposed light-generating elements on the sides of polyhedrons, e.g. cubes or pyramids
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
Abstract
The invention discloses an LED lamp, which comprises a heat-conducting pipe, at least one LED arranged at the front end of the heat-conducting pipe or on a peripheral wall of the heat-conducting pipe close to the front end, a plurality of radiating fins which are arranged on the peripheral wall of the heat-conducting pipe close to the tail end and radially extends outwards, a fixing piece which is arranged at the tail end of the heat-conducting pipe and connected with the plurality of radiating fins, a cover and a hood. An accommodating space is formed in the hood, so that the hood can cover the heat-conducting pipe and the at least one LED in the accommodating space and cover the radiating fins in the accommodating space, and expose the radiating fins out of the hood, so excellent radiating effect is achieved through the heat-conducting pipe.
Description
[technical field]
The present invention relates to a kind of led lamp, particularly a kind of led lamp that utilizes radiating tube to bring into play excellent radiating effect.
[background technology]
See also Fig. 5 and Fig. 6, disclose exploded view and the sectional side view that existing led lamp is arranged respectively.Existing led lamp mainly includes a metal column 91, be located at least one light emitting diode 92 of described metal column 91 front ends, be located on described metal column 91 periphery walls near the cover body 95 of the described metal column 91 of multi-disc radiating fin 93, the cover cap of metal column 91 ends and light emitting diode 92 and radiating fin 93 outsides and seal described cover body 95 and be fixedly arranged on the lid 96 of aforementioned metal post 91 ends.
Described light emitting diode 92 is electrically connected on a power supply with suitable method, makes light emitting diode 92 energising running and luminous, can make the effect of led lamp performance illumination.The heat that described light emitting diode 92 produces when the energising running is conducted by metal column 91 and utilizes aforementioned radiating fin 93 to dispel the heat.Conventional art prejudice is thought when designing and producing aforementioned existing led lamp, needs to adopt the structure of aforementioned metal post 91, and aforementioned light emitting diode 92 can properly be set.
Yet, because 91 people's radiating effects of described metal column are limited, therefore in its front end light emitting diode 92 quantity that can arrange also thereby limited.If in the many slightly light emitting diodes 92 of described metal column 91 front end settings, the heat of producing during its running is distributed not as good as conducting by aforementioned metal post 91.Therefore when this type of led lamp of design, in aforementioned metal post 91 front ends more light emitting diode 92 can't be set, so that the illuminating effect that existing led lamp may reach on real the work is restricted greatly, be the problem of demanding improvement urgently.
[summary of the invention]
The object of the present invention is to provide a kind of led lamp, it can provide good radiating effect, so that more light emitting diode to be set, thereby presents better illuminating effect.
For reaching aforementioned purpose, a kind of technical scheme that the present invention takes is:
A kind of led lamp, it includes:
One heat pipe has a front end, a terminal and periphery wall;
At least one light emitting diode is located on the front end of described heat pipe or the periphery wall near the front end place;
The multi-disc radiating fin is located on the described heat pipe periphery wall and is extended near end and radial outward;
One fixture is located at the terminal and fixing described multi-disc radiating fin of described heat pipe;
One cover body has an accommodation space and an opening, with described heat pipe, at least one light emitting diode, multi-disc radiating fin and this fixture cover cap in its accommodation space;
One lid, it seals opening and the fixing described fixture of described cover body, and is electrically connected with described light emitting diode.
Described radiating fin be provided with one for described heat pipe insert plug the hole and at least one sets firmly the hole, fixture is provided with at least one and sets firmly post, this sets firmly post and is inserted into to set firmly accordingly the multi-disc radiating fin is fixed together.
Be provided with the terminal that is electrically connected with described light emitting diode at lid.
Be provided with the metal projection that is electrically connected with described light emitting diode at lid, and be provided with screw thread at the lid periphery wall.
Be provided with a control piece that all is electrically connected with described light emitting diode, terminal at fixture.
Described heat pipe be prism-shaped near its front end place, described light emitting diode is fixed on the prismatic side.
The prism that forms near its front end place of described heat pipe is triangular prism.
The prism that forms near its front end place of described heat pipe is quadrangular.
The prism that forms near its front end place of described heat pipe is six prisms.
Be provided with a plurality of passages at cover body.
For reaching aforementioned purpose, another technical scheme that the present invention takes is:
A kind of led lamp, it includes:
One heat pipe has a front end, a terminal and periphery wall;
At least one light emitting diode is located on the front end of described heat pipe or the periphery wall near the front end place;
The multi-disc radiating fin is located on the described heat pipe periphery wall and is extended near end and radial outward;
One fixture is located at the terminal and fixing described multi-disc radiating fin of described heat pipe;
One lid, it is located at the terminal and fixing described fixture of described heat pipe, and is electrically connected with described light emitting diode;
One cover body has an accommodation space and an opening, with described heat pipe, at least one light emitting diode cover cap in its accommodation space;
One locating ring, it is arranged on the described heat pipe periphery wall with being close to described radiating fin and is incorporated into the opening of described cover body, with the relative position between fixing described heat pipe and the described cover body.
Described radiating fin be provided with one for described heat pipe insert plug the hole and at least one sets firmly the hole, fixture is provided with at least one and sets firmly post, this sets firmly post and is inserted into to set firmly accordingly the multi-disc radiating fin is fixed together.
Be provided with a control piece that all is electrically connected with described light emitting diode, terminal at fixture.
Described heat pipe be prism-shaped near its front end place, described light emitting diode is fixed on the prismatic side.
The prism that forms near its front end place of described heat pipe is triangular prism.
The prism that forms near its front end place of described heat pipe is quadrangular.
The prism that forms near its front end place of described heat pipe is six prisms.
Because two above-mentioned technical schemes all have this technical characterictic of heat pipe, heat pipe has the good heat conductive effect, therefore adopts above-mentioned any one technical scheme, can both overcome the defective of prior art, reaches purpose of the present invention.
The beneficial effect that has with existing the present invention:
1, because the present invention replaces the metal column of existing led lamp with heat pipe, thereby abolishes the technology prejudice that light emitting diode must be located on the metal column, improve the shortcoming of the metal column heat-conducting effect difference of existing led lamp.
2, when making the present invention's led lamp, can be optionally one or more described light emitting diode be arranged on the front end end of aforementioned heat pipe or the heat pipe periphery wall and locates near the front end end, because described heat pipe can provide splendid heat-conducting effect, therefore the heat that sent when the energising running by to be allowed described light emitting diode is properly distributed, and then avoids aforementioned light emitting diode to damage because of overheated.
3, since described heat pipe can be rapidly effectively heat conduction, even if a plurality of light emitting diodes closely are arranged on the front end end of described heat pipe or the heat pipe periphery wall near place, front end end, also heat conduction in time.Yet a plurality of light emitting diodes closely are arranged on the metal column of prior art, will be difficult to carry out because of can't in time dispelling the heat, but owing to adopt the present invention's technological means, can properly dispel the heat, smooth implementation and bring into play its industry applications.
[description of drawings]
Fig. 1 is the stereogram of first embodiment of the invention;
The exploded view of Fig. 2 first embodiment of the invention;
The sectional side view of Fig. 3 first embodiment of the invention;
Another stereogram of Fig. 3 A first embodiment of the invention;
The stereogram of Fig. 4 second embodiment of the invention;
The exploded view of the existing led lamp of Fig. 5;
The sectional side view of the existing led lamp of Fig. 6.
[main element symbol description]
10 heat pipes, 20 light emitting diodes
30 radiating fins 31 plug the hole
32 set firmly hole 40 fixtures
41 control pieces 42 set firmly post
50 cover bodies, 51 openings
53 passages, 60 lids
70 locating rings, 91 metal columns
92 light emitting diodes, 93 radiating fins
95 cover bodies, 96 lids
[specific embodiment]
The present invention is described further below in conjunction with the drawings and the specific embodiments.
See also Fig. 1-3, disclose stereogram, exploded view and the profile that first embodiment of the invention is arranged respectively.First embodiment of the invention is a kind of led lamp, mainly includes heat pipe 10, at least one light emitting diode 20, multi-disc radiating fin 30, a fixture 40, a cover body 50 and a lid 60.
Described heat pipe 10 is to have a front end, a terminal and periphery wall.Heat pipe 10 is hollow metal bodys of a sealing, and its inside is provided with a capillary structure, and contains a liquid medium.When heat pipe 10 is accepted heat, the gasification of will being heated of aforementioned liquids medium, and then be condensed into liquid state and flow back to the place that is heated in his end, be able to extreme efficiency conduction heat whereby.In the present embodiment, described heat pipe 10 be prism-shaped near its front end place, heat pipe 10 is formed with a plurality of smooth sides at its periphery wall near its front end place like this, described light emitting diode 20 is fixed on the prismatic side.Particularly, described heat pipe 10 can form triangular column, quadrangular shape, hexa-prism etc. near its front end place.Because described heat pipe 10 can provide splendid radiating effect, the heat that sent when the energising running by therefore to be allowed described light emitting diode 20 is properly distributed, and then avoids described light emitting diode 20 to damage because of overheated.
Described multi-disc radiating fin 30 is described heat pipe 10 periphery walls to be set extend near end and radial outward.Described light emitting diode 20 acceptance one power supply provides electric power and emits beam, and also can control keying and the illumination mode of aforementioned light emitting diode 20, with the function of further performance illumination or decoration.When the heat that sends when described light emitting diode 20 energisings operate was conducted rapidly by the thermal conduction characteristic of described heat pipe 10, these heats that conducted will further be distributed by described radiating fin 30, reach more effective radiating effect.For described a plurality of radiating fins 30 are located on described heat pipe 10 periphery walls, radiating fin 30 be provided with one for described heat pipe 10 insert plug hole 31 and at least one sets firmly hole 32, wherein can make the described inner edge that plugs hole 31 combine with described heat pipe 10 periphery walls separately, so as to setting firmly described radiating fin 30.Can pass the described hole 32 that sets firmly and fix relative position between described radiating fin 30 and the described heat pipe 10 by other set firmly structure or element in addition.Described multi-disc radiating fin 30 is that main employing is made such as metals such as copper, aluminium.
Described fixture 40 is arranged on heat pipe 10 ends, and is fixed on the described lid 60, multi-disc radiating fin 30 can be fixed together.Fixture 40 is provided with at least one and sets firmly post 42, and this sets firmly post 42 and is inserted into to set firmly accordingly multi-disc radiating fin 30 is fixed together.In particular, described radiating fin 30 is provided with two and sets firmly hole 32, and this two sets firmly hole 32 and lay respectively at aforementioned 31 both sides, hole that plug.Be extended with two at described fixture 40 and set firmly post 42, and make described two to set firmly post 42 and aim at two of described radiating fin 30 respectively and set firmly hole 32, pass described plurality of radiating fins 30 one by one.Person with usual knowledge in their respective areas of the present invention can get and other methods that set firmly of knowing also can be applicable among the present invention, does not give unnecessary details at this.
In addition, for controlling aforementioned light emitting diode 20 such as characteristics such as keying and illumination modes, the function with further performance illumination or decoration can arrange a control piece 41 that is electrically connected with described light emitting diode 20 at described fixture 40 at present embodiment.In a concrete enforcement aspect, this control piece 41 is circuit boards, can cooperate the characteristic of described light emitting diode 20 and the illuminating effect desiring to reach arranges the electronic component (not shown) on circuit board, as the means of the described light emitting diode 20 of control.
See also Fig. 3, disclose the profile that first embodiment of the invention is arranged.Described cover body 50 has an accommodation space and an opening 51, and it can be with described heat pipe 10, at least one light emitting diode 20, multi-disc radiating fin 30 and this fixture 40 cover caps in its accommodation space.Described cover body 50 can adopt transparent material or trnaslucent materials manufacturing, also can form pattern thereon or such as the cloudy surface processing etc., with the visual effect that changes the present invention and the more illuminating effect of horn of plenty is provided.Please consult Fig. 3 A in addition, in order more properly to bring into play radiating effect, on described cover body 50, can be formed with a plurality of passages 53 in the present embodiment.Can take into account whereby outside the described cover body 50 and see visual effect, be able to more properly bring into play radiating effect with seasonal described multi-disc radiating fin 30.
For the ease of installing fixture 40, can be formed with a recess (not shown) and hold described fixture 40 in wherein at described lid 60.When described fixture 40 is provided with control piece 41, also can in the lump aforementioned control piece 41 be contained in the aforementioned lid 60.
For the ease of light emitting diode 20 is connected with extraneous power supply, consult Fig. 1-3, be provided with the terminal 62 that is electrically connected with described light emitting diode 20 at lid 60, in order to this led lamp is plugged on the insert row.Consult Fig. 3 A, also can on the end of lid 60A the metal projection that is electrically connected with described light emitting diode 20 be set, and on lid 60A periphery wall, form screw thread, in order to this led lamp is installed in (not shown) on the tube face.Certainly, also can adopt and help to form other modes of electrical connection, for the persond having ordinary knowledge in the technical field of the present invention, the knowledge that can know according to maybe getting known to it is carried out required adjustment or is adopted the different shape person, and is unlikely vagus escape the present invention's scope.
In addition, in the embodiment that is provided with described control piece 41, also can make described control piece 41 cooperate among the lid 60 of various forms, the 60A, and be electrically connected such as the lid 60A that forms the metal projection with described, or be electrically connected with aforementioned terminal 62, in order to connecting power supply for aforementioned light emitting diode 20 supply electric power.
Please consult Fig. 4 again, disclosed the stereogram of second embodiment of the invention.The structure of the light-emitting diode lamp of the light-emitting diode lamp that second embodiment of the invention presents and aforementioned first embodiment is roughly the same, and it mainly includes heat pipe 10, at least one light emitting diode 20, multi-disc radiating fin 30, a fixture 40, a cover body 50 and a lid 60.Heat pipe 10 has a front end, a terminal and periphery wall; At least one light emitting diode 20 is located on the front end of described heat pipe 10 or the periphery wall near the front end place; Described multi-disc radiating fin 30 is located on described heat pipe 10 periphery walls and is extended near end and radial outward; Described fixture 40 is located at described heat pipe 10 terminal and fixing described multi-disc radiating fins 30; Described cover body 50 has an accommodation space and an opening, with described heat pipe 10, at least one light emitting diode 20 cover caps in its accommodation space; Described lid 60 is located at described heat pipe 10 terminal and fixing described fixtures 40, and is electrically connected with described light emitting diode 20.
Second embodiment of the invention and the first embodiment difference are: also include the locating ring 70 that is arranged on radiating fin 30 and cover body 50, it is close to the opening that described radiating fin 30 ground are arranged on described heat pipe 10 periphery walls and are incorporated into described cover body 50, with the relative position between fixing described heat pipe 10 and the described cover body 50.Because said structure, the radiating fin 30 of second embodiment of the invention is to be exposed to outside its cover body 50, can obtain better radiating effect whereby.Other structure is can embodiment one identical, no longer is repeated in this description at this, sees also embodiment one.
By two above-mentioned embodiment, the concrete structure of the present invention as can be known.Because the present invention has said structure, so better heat radiating effect must be provided, improve the problem that has led lamp now and solve existing led lamp, therefore can reach the present invention's purpose really.
Claims (12)
1. led lamp is characterized in that including:
One heat pipe (10) has a front end, a terminal and periphery wall, described heat pipe (10) be prism-shaped near its front end place, this heat pipe (10) is the hollow tube of a sealing, its inside is provided with a capillary structure, and contains a liquid medium;
At least one light emitting diode (20) closely is fixed on the side of prism of heat pipe front end;
Multi-disc radiating fin (30), each sheet radiating fin horizontally set, all radiating fins vertically are stacked together into heat radiation fin assemblies, and heat radiation fin assemblies is located on described heat pipe (10) periphery wall and is extended near end and radial outward;
One fixture (40) is located at the terminal and fixing described multi-disc radiating fin (30) of described heat pipe (10);
One cover body (50) has an accommodation space and an opening, with described heat pipe (10), at least one light emitting diode (20), multi-disc radiating fin (30) and this fixture (40) cover cap in its accommodation space;
One lid (60), it seals opening and the fixing described fixture (40) of described cover body (50), and is electrically connected with described light emitting diode (20).
2. a kind of led lamp according to claim 1, it is characterized in that, described radiating fin (30) be provided with one for described heat pipe (10) insert plug hole (31) and at least one sets firmly hole (32), fixture (40) is provided with at least one and sets firmly post (42), and this sets firmly post (42) and is inserted into to set firmly accordingly multi-disc radiating fin (30) is fixed together.
3. a kind of led lamp according to claim 1 is characterized in that, is provided with the terminal (62) that is electrically connected with described light emitting diode (20) at lid (60).
4. a kind of led lamp according to claim 1 is characterized in that, is provided with the metal projection that is electrically connected with described light emitting diode (20) at lid (60), and is provided with screw thread at lid (60) periphery wall.
5. according to any described a kind of led lamp of claim 1 to 4, it is characterized in that, be provided with a control piece (41) that all is electrically connected with described light emitting diode (20), terminal (62) at fixture (40).
6. a kind of led lamp according to claim 1 is characterized in that, the prism that forms near its front end place of described heat pipe (10) is triangular prism or quadrangular or six prisms.
7. according to any described a kind of led lamp of claim 1 to 4, it is characterized in that, be provided with a plurality of passages (53) at cover body (50).
8. a kind of led lamp according to claim 5 is characterized in that, is provided with a plurality of passages (53) at cover body (50).
9. a kind of led lamp according to claim 6 is characterized in that, is provided with a plurality of passages (53) at cover body (50).
10. led lamp is characterized in that including:
One heat pipe (10) has a front end, a terminal and periphery wall, described heat pipe (10) be prism-shaped near its front end place, this heat pipe (10) is the hollow tube of a sealing, its inside is provided with a capillary structure, and contains a liquid medium;
At least one light emitting diode (20) closely is fixed on the side of prism of heat pipe front end;
Multi-disc radiating fin (30), each sheet radiating fin horizontally set, all radiating fins vertically are stacked together into heat radiation fin assemblies, and heat radiation fin assemblies is located on described heat pipe (10) periphery wall and is extended near end and radial outward;
One fixture (40) is located at the terminal and fixing described multi-disc radiating fin (30) of described heat pipe (10);
One lid (60), it is located at the terminal and fixing described fixture (40) of described heat pipe (10), and is electrically connected with described light emitting diode (20);
One cover body (50) has an accommodation space and an opening, with described heat pipe (10), at least one light emitting diode (20) cover cap in its accommodation space;
One locating ring (70), it is close to the opening that described radiating fin is arranged on described heat pipe (10) periphery wall (30) and is incorporated into described cover body (50), with the relative position between fixing described heat pipe (10) and the described cover body (50).
11. a kind of led lamp according to claim 10, it is characterized in that, described radiating fin (30) be provided with one for described heat pipe (10) insert plug hole (31) and at least one sets firmly hole (32), fixture (40) is provided with at least one and sets firmly post (42), and this sets firmly post (42) and is inserted into to set firmly accordingly multi-disc radiating fin (30) is fixed together.
12. a kind of led lamp according to claim 10 is characterized in that, is provided with a control piece (41) that all is electrically connected with described light emitting diode (20), terminal (62) at fixture (40).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008102202750A CN101749656B (en) | 2008-12-19 | 2008-12-19 | LED lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008102202750A CN101749656B (en) | 2008-12-19 | 2008-12-19 | LED lamp |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101749656A CN101749656A (en) | 2010-06-23 |
| CN101749656B true CN101749656B (en) | 2013-07-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2008102202750A Expired - Fee Related CN101749656B (en) | 2008-12-19 | 2008-12-19 | LED lamp |
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| CN (1) | CN101749656B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102121588A (en) * | 2010-12-17 | 2011-07-13 | 东莞汉旭五金塑胶科技有限公司 | LED lamp bulb with multi-direction projection effect |
| TW201113468A (en) * | 2010-12-29 | 2011-04-16 | chong-xian Huang | LED light bulb having multiple-directional projection |
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| CN101749656A (en) | 2010-06-23 |
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