CN201475754U - High power LED bulb - Google Patents
High power LED bulb Download PDFInfo
- Publication number
- CN201475754U CN201475754U CN2009202337160U CN200920233716U CN201475754U CN 201475754 U CN201475754 U CN 201475754U CN 2009202337160 U CN2009202337160 U CN 2009202337160U CN 200920233716 U CN200920233716 U CN 200920233716U CN 201475754 U CN201475754 U CN 201475754U
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- CN
- China
- Prior art keywords
- radiator
- power led
- bulb
- joint
- led bulb
- 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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Abstract
The utility model relates to a high power LED bulb which comprises a joint connected with the interface of a lighting lamp, a LED constant current driving device, a heat radiator, a LED light source, a bulb shade and a circuit board, wherein the joint is provided with a hollow cavity and the LED constant current driving device is fixed in the hollow cavity; the heat radiator is a ceramic heat radiator with an annular heat radiating fin, the upper part of the joint is fixedly connected with the lower part of the heat radiator; the circuit board is an aluminum substrate circuit board, and the LED light source is fixed on the circuit board; the circuit board is fixed on the top end of the heat radiator, and the bulb shade is arranged above the heat radiator, and the lower part of the bulb shade is fixedly connected with the heat radiator. The utility model provides a high power LED bulb which has high lighting efficiency, good heat radiation effect, low cost, simple production and reliable performance.
Description
Technical field
The utility model relates to a kind of lighting, relates in particular to a kind of high-power LED bulb.
Background technology
Conventional light source is based on incandescent lamp, electricity-saving lamp, Halogen lamp LED, sodium vapor lamp, this type of bulb cost is low, and brightness is higher, is used on a large scale already, and the defective that this type of bulb ubiquity light efficiency is low, the life-span is short, and often cause accidents such as fire, scald at work because of temperature is too high; Simultaneously contain harmful substance mercury, cadmium in electricity-saving lamp and other gas discharge lamp tubes, and the glass pipe is when broken or during waste treatment, mercury, cadmium leak easily, can environment be polluted and the person is damaged, and are unfavorable for environmental protection.Therefore, people are pursuing low, the environmental protection of a kind of higher light efficiency, energy-conservation, when work temperature, safe and reliable novel lighting always.And the appearance of white light LEDs, just remedied the deficiency of above light source, and maturation along with LED white light technology, lighting is done light source with it and the LED light fixture made is more and more, the kind style is numerous and diverse, adopt metal as radiator mostly, light source is a plurality of LEDs, cost is higher, production technology is complicated, light efficiency is not very high, be difficult to popularize in an all-round way, therefore want constantly the LED light fixture that has now occurred to be improved, can realize that a kind of production is simpler, cost is lower, safety and reliability, optical efficiency is higher, more attractive in appearance, the easier high-power LED bulb of promoting practicality replaces traditional light fixture.
Summary of the invention
In order to overcome above-mentioned defective, the technical problems to be solved in the utility model is: a kind of luminous efficiency height is provided, and good heat dissipation effect, cost is low, production is simple, the high-power LED bulb of dependable performance.
The technical scheme that its technical problem that solves the utility model adopts is: a kind of high-power LED bulb, comprise that one is used for the joint, a LED constant current driving device, a radiator, a led light source, a bulb shield and the wiring board that are connected with the lighting interface, described joint has cavity, and the LED constant current driving device is fixed in this cavity; Described radiator is the ceramic heat-dissipating body that has annular radiating fin, fixedlys connected with the radiator bottom in joint top; Described wiring board is an aluminum-based circuit board, and led light source is fixing in the circuit board; Wiring board is fixed on the top of radiator, and bulb shield is arranged on the radiator top and fixedly connected with radiator in the bulb shield bottom.
The surface of internal cavity of described bulb shield has vacuum coating; Described bulb shield is made by glass or PC material.Such bulb shield is not only breakage-proof, dustproof, storing and transporting security, and has the frosted atomizing effect, and bright dipping is evenly soft, and free from glare is energy-efficient, and machine-shaping is easily used non-yellowing for a long time.
In order to reduce volume, make bulb that higher light efficiency be arranged, described led light source is formed by the integrated encapsulation of at least 2 1W chip monomers.
Produce for convenience, reduce the cost, improving the described radiator of radiating efficiency is to have annular radiating fin, is formed by the disposable sintering of low-temp ceramics.
In order to make constant current driving device that bigger heat-dissipating space be arranged, improve radiating efficiency, described radiator bottom has the cavity that is used to place constant current driving device with the joint coupling.
Better for the radiating effect that makes radiator, described radiator surface has hexagonal boron nitride coating; Described radiator be shaped as cylindrical or the regular polygon cylinder.
The material of described joint is nylon, ABS or ceramic material.
Beneficial effect: light source of the present utility model adopts the integrated encapsulation of many 1W chip monomers to form, and volume is little, light efficiency is high, reliable in quality; Radiator adopts by heat conduction, the good disposable sintering of low-temp ceramics die sinking of heat radiation and forms, convenient for production, cost is low, handle through too high heat radiation hexagonal boron nitride on its surface, better heat-radiation effect, guaranteed that led light source and constant current driving device have better working environment, and made longer, the more reliable performance of this bulb service life.Compared with prior art, the utility model compact conformation is reasonable, cost is low, technology is simple, convenient for production, good heat dissipation effect, this bulb hot spot is soft, bright dipping is even, brightness is high, can satisfy many occasion illuminations thereby make, and can replace the energy-saving bulb of traditional 20W~60W incandescent lamp bulb or 7W~12W.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified.
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is stereoscopic figure of the present utility model;
Fig. 3 is STRUCTURE DECOMPOSITION figure of the present utility model.
Wherein: 1, bulb shield; 2, led light source; 3, wiring board; 4, radiator; 4-1, annular radiating fin; 5, constant current driving device; 6, joint; 6-1, thick thread.
The specific embodiment
As Fig. 1, Fig. 2, Fig. 3, shown a kind of high-power LED bulb comprises that one is used for the joint 6, a LED constant current driving device 5, a radiator 4, a led light source 2, a bulb shield 1 and the wiring board 3 that are connected with the lighting interface.Joint 6 has cavity, and its lower end has thick thread 6-1, and LED constant current driving device 5 is fixed in this cavity, can with traditional lamp interface coupling.This joint 6 is preferably selected ceramic die sinking disposal molding, and not only insulation, and heat conduction, excellent in heat dissipation effect can be protected constant current driving device 5 again, can select materials such as nylon, ABS for use in addition, but effect are more inferior.Radiator 4 is for having the ceramic heat-dissipating body of annular radiating fin 4-1, in through wires hole is arranged, its underpart has the cavity with joint 6 couplings, be to be used to place constant current driving device 5 equally, fixedly connected with radiator 4 bottoms in joint 6 tops, this radiator 4 is good by heat conduction, the good disposable sintering of low-temp ceramics of heat radiation forms, and the surface scribbles hexagonal boron nitride coating, thereby has excellent heat conduction, heat dispersion.Being shaped as of radiator 4 is cylindrical, and heat conduction and radiating effect are best like this, also can adopt regular polygon cylinder or other cylinders certainly, but effect is more inferior relatively.Led light source 2 is formed by the integrated encapsulation of 2~6 1W chip monomers, and power is up to 2W~6W, and is fixed on the wiring board 3.Wiring board 3 is an aluminum-based circuit board, and wiring board 3 is fixed on the top of radiator 4.Bulb shield 1 is arranged on radiator 4 tops, and fixedly connected with radiator 4 in bulb shield 1 bottom, this bulb shield 1 is made by glass or PC material, and surface of internal cavity has vacuum coating, also has frosted finish effect, light transmittance is more than 95%, and bright dipping is evenly soft, free from glare, use for a long time non-yellowing, in addition, also play breakage-proof, dustproof effect, safe and reliable.
Radiating principle of the present utility model: led light source 2 is delivered on the radiator 4 very soon through 3 heats that produce when working of aluminum-based circuit board, radiator 4 is very fast again to be dispersed into heat in the air, so just formed a perfectly heat conduction, just can guarantee that led light source 2 is in the good working environment all the time, and improved LED light fixture Performance And Reliability, equally, constant current drives 5 and is positioned in the inner chamber of joint 6 and radiator 4 junctions, in work, also can distribute the heat that produces by radiator 4, guarantee that also constant current drives 5 reliability.
It is original maturation that this visible design of the present utility model is arranged; under the situation that does not deviate from the utility model essence; those of ordinary skill in the art make corresponding change and distortion to this utility model, and these are changed accordingly and are out of shape all because of belonging within the protection domain of the present utility model.
Claims (9)
1. high-power LED bulb, comprise that one is used for the joint (6), a LED constant current driving device (5), a radiator (4), a led light source (2), a bulb shield (1) and the wiring board (3) that are connected with the lighting interface, it is characterized in that: described joint (6) has cavity, and LED constant current driving device (5) is fixed in this cavity; Described radiator (4) is for having the ceramic heat-dissipating body of annular radiating fin (4-1), fixedlys connected with radiator (4) bottom in joint (6) top; Described wiring board (3) is an aluminum-based circuit board, and led light source (2) is fixed on the wiring board (3); Wiring board (3) is fixed on the top of radiator (4), and bulb shield (1) is arranged on radiator (4) top and fixedly connected with radiator (4) in bulb shield (1) bottom.
2. a kind of high-power LED bulb according to claim 1 is characterized in that: the surface of internal cavity of described bulb shield (1) has vacuum coating.
3. a kind of high-power LED bulb according to claim 1 is characterized in that: described bulb shield (1) is made by glass or PC material.
4. a kind of high-power LED bulb according to claim 1 is characterized in that: described led light source (2) is formed by the integrated encapsulation of at least 2 1W chip monomers.
5. a kind of high-power LED bulb according to claim 1 is characterized in that: described radiator (4) is formed by the disposable sintering of low-temp ceramics.
6. a kind of high-power LED bulb according to claim 1 is characterized in that: described radiator (4) bottom has the cavity that is used to place constant current driving device (5) with joint (6) coupling.
7. a kind of high-power LED bulb according to claim 1 is characterized in that: described radiator (4) surface has hexagonal boron nitride coating.
8. a kind of high-power LED bulb according to claim 1 is characterized in that: described radiator (4) be shaped as cylindrical or the regular polygon cylinder.
9. a kind of high-power LED bulb according to claim 1 is characterized in that: the material of described joint (6) is nylon, ABS or ceramic material.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2009202337160U CN201475754U (en) | 2009-07-29 | 2009-07-29 | High power LED bulb |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2009202337160U CN201475754U (en) | 2009-07-29 | 2009-07-29 | High power LED bulb |
Publications (1)
Publication Number | Publication Date |
---|---|
CN201475754U true CN201475754U (en) | 2010-05-19 |
Family
ID=42412004
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2009202337160U Expired - Fee Related CN201475754U (en) | 2009-07-29 | 2009-07-29 | High power LED bulb |
Country Status (1)
Country | Link |
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CN (1) | CN201475754U (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2012006775A1 (en) * | 2010-07-14 | 2012-01-19 | 深圳市众明半导体照明有限公司 | Led lamp |
WO2012097470A1 (en) * | 2011-01-18 | 2012-07-26 | GE Lighting Solutions, LLC | Optic reflector used in led decorative lamp |
CN104254904A (en) * | 2011-10-31 | 2014-12-31 | 登森·西尔 | Led light source |
US9004724B2 (en) | 2011-03-21 | 2015-04-14 | GE Lighting Solutions, LLC | Reflector (optics) used in LED deco lamp |
-
2009
- 2009-07-29 CN CN2009202337160U patent/CN201475754U/en not_active Expired - Fee Related
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2012006775A1 (en) * | 2010-07-14 | 2012-01-19 | 深圳市众明半导体照明有限公司 | Led lamp |
WO2012097470A1 (en) * | 2011-01-18 | 2012-07-26 | GE Lighting Solutions, LLC | Optic reflector used in led decorative lamp |
US9004724B2 (en) | 2011-03-21 | 2015-04-14 | GE Lighting Solutions, LLC | Reflector (optics) used in LED deco lamp |
CN104254904A (en) * | 2011-10-31 | 2014-12-31 | 登森·西尔 | Led light source |
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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 | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100519 Termination date: 20160729 |