CN201934987U - Light-emitting diode (LED) light bulb with good heat dissipation effect - Google Patents
Light-emitting diode (LED) light bulb with good heat dissipation effect Download PDFInfo
- Publication number
- CN201934987U CN201934987U CN201020679349XU CN201020679349U CN201934987U CN 201934987 U CN201934987 U CN 201934987U CN 201020679349X U CN201020679349X U CN 201020679349XU CN 201020679349 U CN201020679349 U CN 201020679349U CN 201934987 U CN201934987 U CN 201934987U
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- radiating piece
- good
- led bulb
- heat radiation
- emitting diode
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Abstract
The utility model relates to lighting, in particular to a light-emitting diode (LED) light bulb with a good heat dissipation effect, which comprises a transparent housing, a light cap and a heat dissipation piece which is positioned between the transparent housing and the light cap, wherein LEDs are arranged on the heat dissipation piece, and positioned between the heat dissipation piece and the transparent housing, and the light cap is electrically connected with a driving circuit; and the driving circuit is electrically connected with the LEDs, and an infrared radiation heat dissipation layer is arranged on the outer surface of the heat dissipation piece. The LED light bulb has the beneficial effect that the heat dissipation effect is improved.
Description
Technical field
The utility model relates to illumination, relates in particular to a kind of LED bulb that dispels the heat good in the illumination.
Background technology
Compare with traditional osram lamp, based on halogen bulb, LED(Light Emitting Diode is called for short LED, light emitting diode) bulb has advantages such as energy-conserving and environment-protective, easy for installation, long working life, use are safer.LED is a kind of electroluminescent semi-conducting material, after injecting certain electric current, electronics and hole continued to flow PN junction or similar structural plane with it, and carry out the diode semiconductor device of spontaneous compound generation radiant light, add outside under the effect of electric energy, the radiation recombination generation electroluminescent in electronics and hole, the light of radiation also need just can arrive at external world's (air) through the semiconductor medium and the encapsulation medium of LED wafer (chip) itself near PN junction.Comprehensive electric current injection efficiency, radioluminescence quantum efficiency, wafer exterior light are taken out efficient etc., the input electric energy of the final big indignant 30-40% of having only is converted into luminous energy, the electric flux of all the other 60-70% mainly changes into heat energy with the form of the lattice vibration of non-radiative compound generation, therefore, existing LED bulb has the defective of radiating effect difference.
Summary of the invention
In order to solve the problem that LED bulb in the prior art has the radiating effect difference, the utility model provides a kind of LED bulb that dispels the heat good.
The utility model provides a kind of LED bulb that dispels the heat good, comprise transparent housing, lamp holder and the radiating piece between described transparent housing and lamp holder, described radiating piece is provided with light emitting diode, described light emitting diode is between described radiating piece and described transparent housing, described lamp holder is electrically connected with drive circuit, described drive circuit is electrically connected with described light emitting diode, and the outer surface of described radiating piece is provided with the infrared radiation heat dissipating layer.
As further improvement of the utility model, the outer surface of described radiating piece is provided with the radiating ribs rib of projection.
As further improvement of the utility model, described radiating piece is a tubulose, and the caliber of described radiating piece gradually shrinks towards the other end from the one end, and described drive circuit is positioned at the pipe of described radiating piece.
As further improvement of the utility model, described radiating ribs rib has two and circumferentially distribute around the axis of described radiating piece at least.
As further improvement of the utility model, be provided with connecting ring between described transparent housing and the described radiating piece, described connecting ring is provided with aluminium base, and described light emitting diode is arranged on the described aluminium base.
As further improvement of the utility model, described drive circuit is wrapped with insulated ring, and described insulated ring is between described lamp holder and described radiating piece.
As further improvement of the utility model, described insulated ring is the silica gel circle.
As further improvement of the utility model, described lamp holder is provided with the Metal Contact portion of projection.
As further improvement of the utility model, described transparent housing is a hemisphere face glass outer cover.
As further improvement of the utility model, described radiating piece is the aluminium alloy radiating piece.
The beneficial effects of the utility model are: by such scheme, improved radiating effect.
Description of drawings
Fig. 1 is the decomposition texture schematic diagram of a kind of LED bulb that dispels the heat good of the utility model;
Fig. 2 is the perspective view of the good LED bulb of heat radiation described in the utility model.
The specific embodiment
Below in conjunction with the description of drawings and the specific embodiment the utility model is further specified.
Drawing reference numeral among Fig. 1 to Fig. 2 is: lamp holder 1; Drive circuit 2; Insulated ring 3; Radiating piece 4; Connecting ring 5; Aluminium base 6; Light emitting diode 7; Transparent housing 8.
Extremely shown in Figure 2 as Fig. 1, a kind of LED bulb that dispels the heat good, comprise transparent housing 8, lamp holder 1 and the radiating piece 4 between described transparent housing 8 and lamp holder 1, described radiating piece 4 is provided with light emitting diode 7, described light emitting diode 7 is between described radiating piece 4 and described transparent housing 8, described lamp holder 1 is electrically connected with drive circuit 2, described drive circuit 2 is electrically connected with described light emitting diode 7, can be connected with external power source by described lamp holder 1, and it is luminous to drive described light emitting diode 7 by described drive circuit 2, the outer surface of described radiating piece 4 is coated with the infrared radiation heat dissipating layer, can launch away heat on the radiating piece 4 with 8～13.5 mum wavelength forms by described infrared radiation heat dissipating layer, can reduce the temperature of described radiating piece 4, improve radiating effect.
To shown in Figure 2, the outer surface of described radiating piece 4 is provided with the radiating ribs rib of projection as Fig. 1.
Extremely shown in Figure 2 as Fig. 1, described radiating piece 4 is a tubulose, the caliber of described radiating piece 4 gradually shrinks towards the other end from the one end, described radiating piece 4 is the bigger end of caliber near an end of described transparent housing 8, end near described lamp holder 1 is the less end of caliber, and described drive circuit 2 is positioned at the pipe of described radiating piece 4.
To shown in Figure 2, described radiating ribs rib has two and circumferentially distribute around the axis of described radiating piece 4 at least as Fig. 1, described radiating ribs rib be evenly distributed on described radiating piece 4 circumferentially.Its length direction parallels with the axis of radiating piece 4.
Extremely shown in Figure 2 as Fig. 1, be provided with connecting ring 5 between described transparent housing 8 and the described radiating piece 4, described connecting ring 5 is made for aluminium alloy, described connecting ring 5 is provided with aluminium base 6, described light emitting diode 7 is arranged on the described aluminium base 6, is specially, and described aluminium base 6 is provided with printed substrate, described smooth optical diode 7 is electrically connected with described printed substrate, and described printed substrate is electrically connected with described drive circuit 2.
Extremely shown in Figure 2 as Fig. 1, described drive circuit 2 is wrapped with insulated ring 3, described insulated ring 3 is between described lamp holder 1 and described radiating piece 4, described insulated ring 3 can be the silica gel circle, can be used to intercept drive circuit, prevent electric leakage, but and fixed drive circuit 2, prevent that drive circuit 2 from rocking in radiating piece 4.
To shown in Figure 2, described lamp holder 1 is provided with the Metal Contact portion of projection, is used for being electrically connected with external power source, to reach the purpose of power supply as Fig. 1.
To shown in Figure 2, described transparent housing 8 can be hemisphere face glass outer cover as Fig. 1.
To shown in Figure 2, described radiating piece 4 can be the aluminium alloy radiating piece as Fig. 1.
A kind of LED bulb that dispels the heat good that the utility model provides adopts LED as light source, unharmful substance, and low-voltage is safe and convenient to use; Radiating piece is realized the infrared radiation heat radiation by described infrared radiation heat dissipating layer, and radiating effect is good, can make the temperature of LED bulb work lower, and working life is more durable.
Above content be in conjunction with concrete preferred implementation to further describing that the utility model is done, can not assert that concrete enforcement of the present utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field, under the prerequisite that does not break away from the utility model design, can also make some simple deduction or replace, all should be considered as belonging to protection domain of the present utility model.
Claims (10)
1. good LED bulb of heat radiation, it is characterized in that: comprise transparent housing (8), lamp holder (1) and be positioned at described transparent housing (8) and lamp holder (1) between radiating piece (4), described radiating piece (4) is provided with light emitting diode (7), described light emitting diode (7) is positioned between described radiating piece (4) and the described transparent housing (8), described lamp holder (1) is electrically connected with drive circuit (2), described drive circuit (2) is electrically connected with described light emitting diode (7), and the outer surface of described radiating piece (4) is provided with the infrared radiation heat dissipating layer.
2. the LED bulb that heat radiation according to claim 1 is good is characterized in that: the outer surface of described radiating piece (4) is provided with the radiating ribs rib of projection.
3. the LED bulb that heat radiation according to claim 2 is good, it is characterized in that: described radiating piece (4) is a tubulose, the caliber of described radiating piece (4) gradually shrinks towards the other end from the one end, and described drive circuit (2) is positioned at the pipe of described radiating piece (4).
4. the LED bulb that heat radiation according to claim 3 is good is characterized in that: described radiating ribs rib has two and circumferentially distribute around the axis of described radiating piece (4) at least.
5. the LED bulb that heat radiation according to claim 1 is good, it is characterized in that: be provided with connecting ring (5) between described transparent housing (8) and the described radiating piece (4), described connecting ring (5) is provided with aluminium base (6), and described light emitting diode (7) is arranged on the described aluminium base (6).
6. the LED bulb that heat radiation according to claim 1 is good is characterized in that: described drive circuit (2) is wrapped with insulated ring (3), and described insulated ring (3) is positioned between described lamp holder (1) and the described radiating piece (4).
7. the LED bulb that heat radiation according to claim 6 is good is characterized in that: described insulated ring (3) is the silica gel circle.
8. the LED bulb that heat radiation according to claim 1 is good is characterized in that: described lamp holder (1) is provided with the Metal Contact portion of projection.
9. the LED bulb that heat radiation according to claim 1 is good is characterized in that: described transparent housing (8) is a hemisphere face glass outer cover.
10. the LED bulb that heat radiation according to claim 1 is good is characterized in that: described radiating piece (4) is the aluminium alloy radiating piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020679349XU CN201934987U (en) | 2010-12-24 | 2010-12-24 | Light-emitting diode (LED) light bulb with good heat dissipation effect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020679349XU CN201934987U (en) | 2010-12-24 | 2010-12-24 | Light-emitting diode (LED) light bulb with good heat dissipation effect |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201934987U true CN201934987U (en) | 2011-08-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201020679349XU Expired - Fee Related CN201934987U (en) | 2010-12-24 | 2010-12-24 | Light-emitting diode (LED) light bulb with good heat dissipation effect |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201934987U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103185236A (en) * | 2011-12-28 | 2013-07-03 | 李文雄 | Highly integrated LED (light-emitting diode) lamp wick and lighting device including same |
| CN103322438A (en) * | 2012-03-22 | 2013-09-25 | 李文雄 | High-power LED projection lamp and manufacturing method thereof |
-
2010
- 2010-12-24 CN CN201020679349XU patent/CN201934987U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103185236A (en) * | 2011-12-28 | 2013-07-03 | 李文雄 | Highly integrated LED (light-emitting diode) lamp wick and lighting device including same |
| WO2013097755A1 (en) * | 2011-12-28 | 2013-07-04 | Li Wenxiong | Highly integrated light emitting diode lamp and lighting device containing same |
| CN103322438A (en) * | 2012-03-22 | 2013-09-25 | 李文雄 | High-power LED projection lamp and manufacturing method thereof |
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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: 20110817 Termination date: 20121224 |