CN101614344A - High-power LED bulb - Google Patents
High-power LED bulb Download PDFInfo
- Publication number
- CN101614344A CN101614344A CN200910183218A CN200910183218A CN101614344A CN 101614344 A CN101614344 A CN 101614344A CN 200910183218 A CN200910183218 A CN 200910183218A CN 200910183218 A CN200910183218 A CN 200910183218A CN 101614344 A CN101614344 A CN 101614344A
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- radiator
- power led
- bulb
- joint
- wiring board
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- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
The present invention relates to 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 invention provides a kind of luminous efficiency height, good heat dissipation effect, cost is low, production is simple, the high-power LED bulb of dependable performance.
Description
Technical field
The present invention relates to a kind of lighting, relate 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 problem to be solved in the present invention 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 solution adopted for the present invention to solve the technical problems 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, improve radiating efficiency, described radiator 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 invention 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, compact conformation of the present invention 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
The present invention is further described below in conjunction with drawings and Examples.
Fig. 1 is a structural representation of the present invention;
Fig. 2 is stereoscopic figure of the present invention;
Fig. 3 is STRUCTURE DECOMPOSITION figure of the present invention.
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 invention: 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 invention is arranged, and under the situation that does not deviate from essence of the present invention, those of ordinary skill in the art make corresponding change and distortion to this invention, and these are changed accordingly and are out of shape all because of belonging within protection scope of the present invention.
Claims (9)
1, a kind of 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, 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, high-power LED bulb according to claim 1 is characterized in that: described bulb shield (1) is made by glass or PC material.
4, 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, 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, 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, high-power LED bulb according to claim 1 is characterized in that: described radiator (4) surface has hexagonal boron nitride coating.
8, 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, 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 |
|---|---|---|---|
| CN200910183218A CN101614344A (en) | 2009-07-29 | 2009-07-29 | High-power LED bulb |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910183218A CN101614344A (en) | 2009-07-29 | 2009-07-29 | High-power LED bulb |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101614344A true CN101614344A (en) | 2009-12-30 |
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ID=41494156
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910183218A Pending CN101614344A (en) | 2009-07-29 | 2009-07-29 | High-power LED bulb |
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| CN (1) | CN101614344A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101975342A (en) * | 2010-09-13 | 2011-02-16 | 洛阳博联新能源科技开发有限公司 | Metal and ceramic mixed heat-dissipating LED ball bulb lamp |
| CN102032490A (en) * | 2010-12-28 | 2011-04-27 | 深圳市聚作实业有限公司 | Inner shaft radiation type LED bulb |
| GB2479600A (en) * | 2010-04-14 | 2011-10-19 | Hsiang Yun Chen Wang | LED light bulb having wide angled illumination. |
| CN102338288A (en) * | 2010-07-16 | 2012-02-01 | 富士迈半导体精密工业（上海）有限公司 | LED (Light-emitting Diode) lamp |
| CN102338318A (en) * | 2011-10-28 | 2012-02-01 | 江苏国星电器有限公司 | Energy-saving LED (light emitting diode) lamp |
| CN102418850A (en) * | 2010-09-28 | 2012-04-18 | 张家港华峰电接插元件有限公司 | LED (Light-Emitting Diode) bulb |
| CN102913875A (en) * | 2012-09-24 | 2013-02-06 | 王习之 | Ceramic radiator and LED (light-emitting diode) illuminating lamp adopting same |
| CN104595777A (en) * | 2015-02-11 | 2015-05-06 | 宁波澎湃电子科技有限公司 | Lamp |
-
2009
- 2009-07-29 CN CN200910183218A patent/CN101614344A/en active Pending
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2479600A (en) * | 2010-04-14 | 2011-10-19 | Hsiang Yun Chen Wang | LED light bulb having wide angled illumination. |
| CN102338288A (en) * | 2010-07-16 | 2012-02-01 | 富士迈半导体精密工业（上海）有限公司 | LED (Light-emitting Diode) lamp |
| CN101975342A (en) * | 2010-09-13 | 2011-02-16 | 洛阳博联新能源科技开发有限公司 | Metal and ceramic mixed heat-dissipating LED ball bulb lamp |
| CN101975342B (en) * | 2010-09-13 | 2013-08-07 | 洛阳博联新能源科技开发有限公司 | Metal and ceramic mixed heat-dissipating LED ball bulb lamp |
| CN102418850A (en) * | 2010-09-28 | 2012-04-18 | 张家港华峰电接插元件有限公司 | LED (Light-Emitting Diode) bulb |
| CN102032490A (en) * | 2010-12-28 | 2011-04-27 | 深圳市聚作实业有限公司 | Inner shaft radiation type LED bulb |
| CN102032490B (en) * | 2010-12-28 | 2013-01-02 | 深圳市聚作实业有限公司 | Inner shaft radiation type LED bulb |
| CN102338318A (en) * | 2011-10-28 | 2012-02-01 | 江苏国星电器有限公司 | Energy-saving LED (light emitting diode) lamp |
| CN102913875A (en) * | 2012-09-24 | 2013-02-06 | 王习之 | Ceramic radiator and LED (light-emitting diode) illuminating lamp adopting same |
| CN104595777A (en) * | 2015-02-11 | 2015-05-06 | 宁波澎湃电子科技有限公司 | Lamp |
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Open date: 20091230 |