CN201255391Y - LED bulb - Google Patents
LED bulb Download PDFInfo
- Publication number
- CN201255391Y CN201255391Y CNU2008201892557U CN200820189255U CN201255391Y CN 201255391 Y CN201255391 Y CN 201255391Y CN U2008201892557 U CNU2008201892557 U CN U2008201892557U CN 200820189255 U CN200820189255 U CN 200820189255U CN 201255391 Y CN201255391 Y CN 201255391Y
- Authority
- CN
- China
- Prior art keywords
- led
- lamp holder
- lamp
- heat dissipation
- heat radiation
- 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
Links
- 229910052751 metal Inorganic materials 0.000 claims abstract description 13
- 239000002184 metal Substances 0.000 claims abstract description 13
- 239000011521 glass Substances 0.000 claims description 4
- 230000017525 heat dissipation Effects 0.000 abstract description 12
- 241000985665 Cecropia obtusifolia Species 0.000 abstract 1
- 210000000614 Ribs Anatomy 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 4
- 239000004411 aluminium Substances 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminum Chemical compound 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Abstract
The utility model relates to an LED lighting appliance. An LED light bulb comprises an LED light source which is arranged on a heat dissipation lamp holder by an LED fixing plate. A PCB component is fixed in the heat dissipation lamp holder by an insulating part. The upper end of the PCB component is connected with the LED fixing plate arranged on the heat dissipation lamp holder, and the lower end is connected with a lamp holder module. The heat dissipation lamp holder is also sheathed with a metal lamp housing which increases heat dissipation. The heat dissipation lamp holder takes a trumpet shape and the outside wall thereof is provided with ribs which increase heat dissipation area. In the LED light bulb provided by the utility model, the LED light source is arranged on a metal aluminous heat dissipation lamp holder. And the heating dissipation lamp holder is externally sheathed with an aluminous lamp housing which increases heat dissipation, which not only beautifies the shape of the light bulb, but also can provide assurance for the heat dissipation of the LED. The LED light bulb has reasonable structure, high light-emitting efficiency and long service life, and can replace the traditional illuminating filament lamps and fluorescent lamps.
Description
Technical field
The utility model relates to a kind of LED lighting.
Background technology
LED is a kind of semiconductor that electric energy can be converted into visible light, it changed the incandescent lamp tungsten filament luminous with the luminous principle of energy-saving fluorescent lamp tricolor powder, and adopt electroluminescence, have long, numerous advantages such as light efficiency is high, radiationless and low-power consumption of life-span.Along with the proposition of " energy-conservation " and " green illumination " theory, LED is incorporated in the lighting gradually as light source.
At present, the light emitting source that normal lighting light fixtures such as daily bulb, desk lamp are adopted is main for it with incandescent lamp bulb or fluorescent tube basically, yet, the electro-optical efficiency of white bulb and fluorescent lamp tube is all lower, and its heat is big, and service life is short, generally only has about 3000 hours.Because the significant advantage of LED, also occurred some on the market with the bulb of LED as light source, these bulbs only are to form at the peripheral directly sheathed lampshade of LED, have influenced the light extraction efficiency of LED, and its radiating effect is not good, has shortened the service life of light fixture greatly.
Follow-on LED bulb has also appearred recently, disclosed as Chinese patent 200420083451.8 " LED lighting device " is the lighting device of light source with a plurality of low power LED that is installed on the LED lamp plate, the brightness of this low-power LED a little less than, light efficiency is lower, and light decay does not comparatively fast reach the requirement of normal illumination.And Chinese patent 200620013512.2 disclosed LED bulbs, if it adopts great power LED is light source, its radiator will be less than normal so, can not well solve heat dissipation problem.
The utility model content
Technical problem to be solved in the utility model provide a kind of rational in infrastructure, light extraction efficiency is high and the LED bulb of good heat dissipation effect.
Design a kind of LED bulb, include led light source, led light source is installed on the heat radiation lamp socket by the LED fixed head, and the PCB assembly is fixed in the heat radiation lamp socket by means of insulating part, PCB assembly upper end is connected with mounted LEDs fixed head on the heat radiation lamp socket, and the lower end is connected with lamp adapter assembly.
As the improvement of such scheme, lamp adapter assembly includes the lamp holder fixture, the lamp holder fixture be " in " shape, lamp holder fixture one end connects the heat radiation lamp socket, the other end is connected with lamp holder, the lower end of described pcb board is connected on the lamp holder.
The heat radiation lamp socket also is set with the metal lamp housing that increases heat radiation outward, and the metal lamp housing also is fixed on the lamp holder fixture.The heat radiation lamp socket is horn-like, convexes with the rib that increases area of dissipation on its outer wall.
The utility model has following remarkable result compared to existing technology:
This LED bulb structure is reasonable, light extraction efficiency is high, long service life, can replace the incandescent lamp and the fluorescent lamp of system illumination.LED bulb provided by the utility model, led light source is arranged on the metallic aluminium matter heat radiation lamp socket, and at the aluminium matter lamp housing of lamp socket overcoat dress increase heat radiation that dispels the heat, not only make the good looking appearance of bulb, and can give security for the heat radiation of LED, the overhead Position Design of LED makes the emission of luminous energy wide angle, makes illuminating effect more near conventional lamp.
This LED bulb is powered to led light source by the pcb board that is provided with in inside, not only can supply with the transformation constant current, can also realize the third gear light modulation.In addition, the utility model has not only been considered the insulation of PCB electronic component and lamp housing radiating piece in the inner chamber design, also between pcb board and insulating part, reserved very big inner space, to guarantee that product can be by various tests, particularly Hi-pot test, through repeatedly experiment, the utility model product can be by the test of 4000V AC.
Description of drawings
Fig. 1 is a surface structure schematic diagram of the present utility model;
Fig. 2 is a sectional structure chart of the present utility model;
Fig. 3 is a parts decomposing schematic representation of the present utility model.
The specific embodiment
The utility model is described in further detail by embodiment below in conjunction with accompanying drawing.
Referring to Fig. 1～3, a kind of LED bulb is made up of glass lamp shade 1, led light source 9, LED fixed head 8, parts such as heat radiation lamp socket 2, pcb board 6 and lamp holder.Led light source is connected on the LED fixed head, and led light source adopts great power LED, and LED quantity can be one or two, also can be three.
The LED fixed head can adopt modes such as screw or bonding to be fixed on the top of heat radiation lamp socket, and is used to protect the glass lamp shade of led light source also can adopt and the form side disposed thereon of dispelling the heat the lamp socket snapping or being spirally connected.Heat radiation lamp socket 2 is designed to horn-like, convexes with the rib 21 that increases area of dissipation on its outer wall, can increase area of dissipation, improves radiating efficiency.The heat radiation lamp socket also is set with metal lamp housing 3 outward, and the metal lamp housing is not only decorated lamp body but also can be guaranteed heat radiation.
Metal lamp housing bottom has long cubic hole, and pilot hole is arranged at top, provides the pcb board 6 of constant current to be installed in metal lamp housing and the heat radiation lamp socket by pilot hole for led light source, and is connected with the LED fixed head on heat radiation lamp socket top.The heat that produces for the work that guarantees led light source effectively distributes, and heat radiation lamp socket and metal shell all select for use good heat-conducting to make, and can be aluminium, aluminium alloy, copper etc.Consider the insulation between pcb board and heat radiation lamp socket and the metal lamp housing, columned plastic cement insulating part 7 on pcb board 6 outer wrapping, between pcb board and insulating part, reserved very big inner space like this, can guarantee that product is by various tests, particularly Hi-pot test, present embodiment LED bulb can be by the test of 4000V AC.
In order to improve the illuminating effect of this LED bulb, on pcb board, be provided with light adjusting circuit, light adjusting circuit adopts existing ripe circuit, and light adjusting circuit is used to control the electric current of supply led light source or the variation of voltage, thereby realizes the luminous bright degree of LED.The pcb board upper end is connected with mounted LEDs fixed head on the heat radiation lamp socket, and the lower end is to be connected with lamp adapter assembly.Lamp adapter assembly includes lamp holder fixture 4, the lamp holder fixture be " in " shape, lamp holder fixture one end connects the heat radiation lamp socket, the other end is connected with lamp holder 5, the lower end of described pcb board is connected on the lamp holder.For the ease of promoting the use of, the lamp holder of this LED bulb can be selected the existing general lamp holder of incandescent light bulb, for example lamp holder of E27 lamp holder or other standards for use.
During assembling, earlier pcb board is packed in the insulating part, and fix, insulating part is inserted in the thermal louver pedestal then, to dispel the heat again lamp socket, metal lamp housing together is fastened on the lamp holder fixture, and it is fixing then the lamp holder encapsulation to be dashed the some position again after coating viscose glue on the lamp holder fixture 4.After lamp holder fixed, the LED fixture that will connect led light source again was fixed to heat radiation lamp socket top with screw, loads onto glass lamp shade 1 at last and gets final product.
Claims (6)
1, a kind of LED bulb, include led light source, it is characterized in that: described led light source (9) is installed on the heat radiation lamp socket (2) by LED fixed head (8), pcb board (6) is fixed in the heat radiation lamp socket by means of insulating part (7), the pcb board upper end is connected with mounted LEDs fixed head on the heat radiation lamp socket, and the lower end is connected with lamp adapter assembly.
2, LED bulb according to claim 1, it is characterized in that: described lamp adapter assembly includes lamp holder fixture (4), the lamp holder fixture be " in " shape, lamp holder fixture one end connects the heat radiation lamp socket, the other end is connected with lamp holder (5), and the lower end of described pcb board is connected on the lamp holder.
3, LED bulb according to claim 2 is characterized in that: described heat radiation lamp socket also is set with the metal lamp housing (3) that increases heat radiation outward, and the metal lamp housing also is fixed on the lamp holder fixture.
4, LED bulb according to claim 3 is characterized in that: described heat radiation lamp socket is horn-like, convexes with the rib (21) that increases area of dissipation on its outer wall.
5, LED bulb according to claim 4 is characterized in that: also be connected with a glass lamp shade (1) that is used to cover led light source on the described heat radiation lamp socket.
6, according to the described LED bulb of claim 1～5, it is characterized in that: described pcb board is provided with light adjusting circuit, and the light adjusting circuit employing can be controlled the electric current of supply led light source or the ripe circuit of voltage change.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201892557U CN201255391Y (en) | 2008-08-26 | 2008-08-26 | LED bulb |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201892557U CN201255391Y (en) | 2008-08-26 | 2008-08-26 | LED bulb |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201255391Y true CN201255391Y (en) | 2009-06-10 |
Family
ID=40738712
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201892557U Expired - Fee Related CN201255391Y (en) | 2008-08-26 | 2008-08-26 | LED bulb |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201255391Y (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102116428A (en) * | 2011-01-25 | 2011-07-06 | 刘海波 | LED (light-emitting diode) bulb lamp |
| WO2011088604A1 (en) * | 2010-01-22 | 2011-07-28 | 深圳市日锋电子有限公司 | Led bulb |
| WO2011143816A1 (en) * | 2010-05-19 | 2011-11-24 | 深圳市旭翔光电科技有限公司 | Led illumination lamp |
| CN102305360A (en) * | 2011-07-08 | 2012-01-04 | 深圳创维照明电器有限公司 | LED (light emitting diode) lamp capable of adjusting color temperature and brightness |
| GB2481982A (en) * | 2010-07-12 | 2012-01-18 | Simon Fussell | Light head with flared cooling passage |
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| CN102472464A (en) * | 2010-05-24 | 2012-05-23 | 松下电器产业株式会社 | Lamp and illumination apparatus |
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| WO2011088604A1 (en) * | 2010-01-22 | 2011-07-28 | 深圳市日锋电子有限公司 | Led bulb |
| WO2011143816A1 (en) * | 2010-05-19 | 2011-11-24 | 深圳市旭翔光电科技有限公司 | Led illumination lamp |
| CN102472464A (en) * | 2010-05-24 | 2012-05-23 | 松下电器产业株式会社 | Lamp and illumination apparatus |
| GB2481982A (en) * | 2010-07-12 | 2012-01-18 | Simon Fussell | Light head with flared cooling passage |
| GB2481982B (en) * | 2010-07-12 | 2015-01-28 | Simon Fussell | Light head |
| CN102345807A (en) * | 2010-08-04 | 2012-02-08 | 天津星洋电子科技有限公司 | Light emitting diode (LED) indoor energy-saving lamp with controlled color temperatures |
| WO2012019378A1 (en) * | 2010-08-12 | 2012-02-16 | 南京汉德森科技股份有限公司 | Energy-saving led lamp with radiating channels |
| CN102116428A (en) * | 2011-01-25 | 2011-07-06 | 刘海波 | LED (light-emitting diode) bulb lamp |
| CN102305360A (en) * | 2011-07-08 | 2012-01-04 | 深圳创维照明电器有限公司 | LED (light emitting diode) lamp capable of adjusting color temperature and brightness |
| TWI481799B (en) * | 2012-06-19 | 2015-04-21 | Taiwan Fu Hsing Ind Co Ltd | Lamp structure |
| CN102818155A (en) * | 2012-08-14 | 2012-12-12 | 中山市美多登电子有限公司 | LED (light emitting diode) energy saving lamp |
| CN105180089A (en) * | 2015-08-14 | 2015-12-23 | 左颖 | Novel energy-saving environment-friendly LED bulb |
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