CN201954346U - Efficient heat dissipation LED lamp in airtight cavity - Google Patents
Efficient heat dissipation LED lamp in airtight cavity Download PDFInfo
- Publication number
- CN201954346U CN201954346U CN2011200976222U CN201120097622U CN201954346U CN 201954346 U CN201954346 U CN 201954346U CN 2011200976222 U CN2011200976222 U CN 2011200976222U CN 201120097622 U CN201120097622 U CN 201120097622U CN 201954346 U CN201954346 U CN 201954346U
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- China
- Prior art keywords
- lampshade
- airtight cavity
- light fixture
- heat dissipation
- high efficiency
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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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- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The utility model provides an efficient heat dissipation LED lamp in an airtight cavity, which comprises a lampshade, a power source cover and a metal central shaft part, wherein the metal central shaft part comprises a heat conduction section and a heat dissipation section which are connected, the heat conduction section is positioned in the lampshade, and the heat dissipation section is positioned outside the lampshade and is connected with the power source cover. In the utility model, heat in the lampshade is conducted to the outside through the metal central shaft part, and a heat dissipation channel can also be arranged in the metal central shaft part so as to utilize airflow to enhance heat dissipation.
Description
Technical field
The utility model relates to the LED light fixture, especially has the LED light fixture of excellent heat dispersion performance, particularly, relates to the LED light fixture of high efficiency and heat radiation in the airtight cavity.
Background technology
LED is a kind of semiconductor that electric energy can be converted into visible light, and it has changed the luminous and luminous principle of electricity-saving lamp tricolor powder of incandescent lamp tungsten filament, and adopts electroluminescence.LED have the life-span long, light efficiency is high, radiationless and low in power consumption.High-power LED generally has 0.5W, 1W, 3W, 5W, also have more high-power, but along with its heat radiation of the raising of LED power increases too, mostly to be all be single application to high-power LED now, and add very big fin.
In the application of LED; add upper lamp shade to obtain corresponding lighting effects in order to strengthen sight through the outside of the LED lamp of being everlasting; lampshade also plays the effect of protection simultaneously to LED, hindered the heat radiation of LED lamp but its shortcoming is a lampshade, and this causes shorten the service life of LED lamp.
The utility model content
At defective of the prior art, the purpose of this utility model provides the LED light fixture of high efficiency and heat radiation in a kind of airtight cavity.
According to an aspect of the present utility model, the LED light fixture of high efficiency and heat radiation in a kind of airtight cavity is provided, comprise lampshade, power supply cover, it is characterized in that, also comprise the metal middle shaft part, wherein, described metal middle shaft part comprises continuous heat conduction section and radiating segment, described heat conduction section is positioned at described lampshade, and it is outer and connect described power supply cover that described radiating segment is positioned at described lampshade.
Preferably, also comprise extended metal fin from the described radiating segment.
Preferably, described metal fin horizontally set.
Preferably, described metal fin vertically is provided with.
Preferably, be provided with heat dissipation channel in the described metal middle shaft part, wherein, the first heat dissipation channel mouth of described heat dissipation channel is opened on the described radiating segment, and the second heat dissipation channel mouth is opened on the described heat conduction section.
Preferably, also comprise LED substrate on the substrate attachment face that is connected described heat conduction section, the described second heat dissipation channel mouth is opened on the described substrate attachment face, described LED substrate and the corresponding position of the described second heat dissipation channel mouth are provided with substrate through-hole, and described lampshade is provided with the lampshade through hole.
Preferably, described lampshade is the ball-type lampshade, and described lampshade through hole is positioned at the top of described globe holder.
Preferably, described metal middle shaft part is made by copper or aluminium.
Preferably, be provided with lead channels in the described metal middle shaft part, wherein, the two ends of described lead channels are communicated to described LED substrate and power supply cover respectively.
The utility model exports to the external world by the metal middle shaft part that includes heat conduction section and radiating segment with the heat in the lampshade, in preference,, heat dissipation channel can also be set in the metal middle shaft part further strengthen heat radiation to utilize air-flow by in lampshade, increasing the heat-conducting area that metal fin increases the metal middle shaft part.
Description of drawings
By reading the detailed description of non-limiting example being done with reference to the following drawings, it is more obvious that other features, objects and advantages of the present utility model will become:
Fig. 1 illustrates according to first embodiment of the present utility model, the structural representation of the LED light fixture of high efficiency and heat radiation in the described airtight cavity;
Fig. 2 illustrates according to second embodiment of the present utility model, the structural representation of the LED light fixture of high efficiency and heat radiation in the described airtight cavity;
Fig. 3 illustrates according to the 3rd embodiment of the present utility model, the structural representation of the LED light fixture of high efficiency and heat radiation in the described airtight cavity.
The specific embodiment
Fig. 1 illustrates according to first embodiment of the present utility model, the structural representation of the LED light fixture of high efficiency and heat radiation in the described airtight cavity.Particularly, in the present embodiment, the LED light fixture of high efficiency and heat radiation comprises lampshade 3, power supply cover 4, LED substrate 2, wherein in the described airtight cavity, also comprise metal middle shaft part 1, wherein, described metal middle shaft part 1 comprises continuous heat conduction section 12 and radiating segment 11, and described heat conduction section 12 is positioned at described lampshade 3, described radiating segment 11 is positioned at outside the described lampshade 3 and connects described power supply cover 4, and described LED substrate 2 is connected on the substrate attachment face 121 of described heat conduction section 12.Preferably, described metal middle shaft part 1 is made by copper or aluminium.
More specifically, an end of described radiating segment 11 disconnected described heat conduction sections 12 connects described power supply cover 4 by buckle 9, and described lampshade 3 is connected described metal middle shaft part 1 by being positioned at described radiating segment 11 with the buckle 8 of described heat conduction section 12 junctions.Described LED substrate can be aluminium base or FPC plate.It can produce heat after described LED lamp energising, the sub-fraction of these heats is absorbed the back to extraneous radiation by described lampshade 3, most heats are absorbed by described heat conduction section 12, heat will conduct to described radiating segment 11 by described heat conduction section 12 then, because described radiating segment 11 is positioned at the outside of described lampshade 3, thereby so its can in air, conduct the effect that heat plays heat radiation.Preferably, described metal middle shaft part 1 is cylindrical, and those skilled in the art can adjust the length and the radius of described heat conduction section 12 and described radiating segment 11 according to actual needs, and this does not influence flesh and blood of the present utility model, does not repeat them here.It will be appreciated by those skilled in the art that described metal middle shaft part 1 need be connected between described power supply cover 4 and the described lampshade 3, therefore the size and dimension of the end of described radiating segment 11 and heat conduction section 12 is determined by described power supply cover 4, lampshade 3.
Fig. 2 illustrates according to second embodiment of the present utility model, the structural representation of the LED light fixture of high efficiency and heat radiation in the described airtight cavity.Particularly, present embodiment is compared with embodiment illustrated in fig. 1, and its difference is, in the present embodiment, the LED light fixture of high efficiency and heat radiation also comprises extended metal fin on the described heat conduction section in the described airtight cavity, wherein, and described metal fin horizontally set.More specifically, as shown in Figure 2, extend metal fin 61,62,63 from described heat conduction section 11, wherein, these metal fins are annular.And change in the example at one, described metal fin can vertically be provided with.Can enlarge area of dissipation by described metal fin.More specifically, described heat conduction section 12 comprises the contact-making surface that is used for the heat radiation of LED lamp pearl and is electrically connected, wherein, the positive and negative electrode 51,52 of described LED lamp pearl 5 is fixing by soldering-tin layer on the described contact-making surface and copper-clad (not shown among Fig. 2) welding, form complete electric charge loop, the center of described LED lamp pearl conducts to described heat conduction section 12 by heat radiation soldering-tin layer 53 with most of heat.
Fig. 3 illustrates according to the 3rd embodiment of the present utility model, the structural representation of the LED light fixture of high efficiency and heat radiation in the described airtight cavity.Particularly, present embodiment is compared with embodiment illustrated in fig. 1, its difference is, in the present embodiment, be provided with heat dissipation channel in the described metal middle shaft part 1, wherein, the first heat dissipation channel mouth 81 of described heat dissipation channel is opened on the described radiating segment 11, the second heat dissipation channel mouth is opened on the described heat conduction section 12, for example can be opened on the sidewall of described heat conduction section 12.More specifically, as shown in Figure 3, the LED light fixture of high efficiency and heat radiation also comprises LED substrate on the substrate attachment face that is connected described heat conduction section in the described airtight cavity, the described second heat dissipation channel mouth 85 is opened on the described substrate attachment face, described LED substrate 2 is provided with substrate through-hole 84 with the described second heat dissipation channel mouth 85 corresponding positions, and described lampshade 3 is provided with the lampshade through hole, preferably, described lampshade 3 is the ball-type lampshade, and described lampshade through hole 31 is positioned at the top of described globe holder.Further preferably, be provided with lead channels in the described metal middle shaft part 1, wherein, the two ends of described lead channels are communicated to described LED substrate and power supply cover respectively, as shown in Figure 3, an opening 83 of described lead channels is opened on the end of described radiating segment 11 disconnected described heat conduction sections 12, and its other end opening 85 is opened on the end of described heat conduction section 12 disconnected described radiating segments 11.Further particularly, in the embodiment show in figure 3, described heat dissipation channel and described lead channels are shared one section passage, the lead that therefore is positioned at described lead channels also can obtain dispelling the heat.
More than specific embodiment of the utility model is described.It will be appreciated that the utility model is not limited to above-mentioned specific implementations, those skilled in the art can make various distortion or modification within the scope of the claims, and this does not influence flesh and blood of the present utility model.
Claims (9)
1. the LED light fixture of high efficiency and heat radiation in the airtight cavity, comprise lampshade, power supply cover, it is characterized in that, also comprise the metal middle shaft part, wherein, described metal middle shaft part comprises continuous heat conduction section and radiating segment, and described heat conduction section is positioned at described lampshade, and it is outer and connect described power supply cover that described radiating segment is positioned at described lampshade.
2. the LED light fixture of high efficiency and heat radiation is characterized in that in the airtight cavity according to claim 1, also comprises extended metal fin from the described radiating segment.
3. the LED light fixture of high efficiency and heat radiation is characterized in that described metal fin horizontally set in the airtight cavity according to claim 2.
4. the LED light fixture of high efficiency and heat radiation is characterized in that described metal fin vertically is provided with in the airtight cavity according to claim 2.
5. the LED light fixture of high efficiency and heat radiation in the airtight cavity according to claim 1, it is characterized in that, be provided with heat dissipation channel in the described metal middle shaft part, wherein, the first heat dissipation channel mouth of described heat dissipation channel is opened on the described radiating segment, and the second heat dissipation channel mouth is opened on the described heat conduction section.
6. the LED light fixture of high efficiency and heat radiation in the airtight cavity according to claim 5, it is characterized in that, also comprise LED substrate on the substrate attachment face that is connected described heat conduction section, the described second heat dissipation channel mouth is opened on the described substrate attachment face, described LED substrate and the corresponding position of the described second heat dissipation channel mouth are provided with substrate through-hole, and described lampshade is provided with the lampshade through hole.
7. the LED light fixture of high efficiency and heat radiation is characterized in that described lampshade is the ball-type lampshade in the airtight cavity according to claim 6, and described lampshade through hole is positioned at the top of described globe holder.
8. the LED light fixture of high efficiency and heat radiation is characterized in that described metal middle shaft part is made by copper or aluminium in the airtight cavity according to claim 1.
9. the LED light fixture of high efficiency and heat radiation is characterized in that be provided with lead channels in the described metal middle shaft part, wherein, the two ends of described lead channels are communicated to described LED substrate and power supply cover respectively in the airtight cavity according to claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200976222U CN201954346U (en) | 2011-04-06 | 2011-04-06 | Efficient heat dissipation LED lamp in airtight cavity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200976222U CN201954346U (en) | 2011-04-06 | 2011-04-06 | Efficient heat dissipation LED lamp in airtight cavity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201954346U true CN201954346U (en) | 2011-08-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200976222U Expired - Fee Related CN201954346U (en) | 2011-04-06 | 2011-04-06 | Efficient heat dissipation LED lamp in airtight cavity |
Country Status (1)
| Country | Link |
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| CN (1) | CN201954346U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016026289A1 (en) * | 2014-08-18 | 2016-02-25 | 袁志贤 | High heat-dissipation led lamp |
-
2011
- 2011-04-06 CN CN2011200976222U patent/CN201954346U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016026289A1 (en) * | 2014-08-18 | 2016-02-25 | 袁志贤 | High heat-dissipation led lamp |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110831 Termination date: 20130406 |