CN202253075U - LED (light emitting diode) bulb - Google Patents
LED (light emitting diode) bulb Download PDFInfo
- Publication number
- CN202253075U CN202253075U CN2011204264867U CN201120426486U CN202253075U CN 202253075 U CN202253075 U CN 202253075U CN 2011204264867 U CN2011204264867 U CN 2011204264867U CN 201120426486 U CN201120426486 U CN 201120426486U CN 202253075 U CN202253075 U CN 202253075U
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- radiator
- cylinder
- bulb
- light source
- led
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- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The utility model relates to a bulb and discloses an LED (light emitting diode) bulb comprising a lamp holder, a power supply module and a light source chip which are electrically connected with one another serially; the LED bulb is characterized in that: the LED bulb also comprises an upper cover, a heat radiator and a lamp shade which are fixedly connected with one another serially, wherein the lamp holder is fixedly connected with the top part of the upper cover, the power supply module is fixed on the top surface of the heat radiator, and the power supply chip is fixed on the bottom surface of the heat radiator; a through hole is arranged in the top part of the lamp shade, a cylinder is arranged at the circumference of the through hole, a lens opposite to the light source chip is arranged at the bottom of the cylinder, and the top surface of the cylinder is in sealing connection with the bottom surface of the heat radiator; and the heat radiator is formed by a column body and vertical bar-shaped heat-radiating fins distributed on the outer wall of the column body. The LED bulb has the characteristics of good heat-radiating effect, proper installation positions of the chips, high secondary light-emitting efficiency of the bulb, beautiful and elegant appearance, convenience for production, low cost and easiness in popularization and application.
Description
Technical field
The utility model relates to a kind of bulb, particularly a kind of LED ball alveolitoid bulb.
Background technology
LED is the abbreviation of English Light Emitting Diode; In be translated into " light emitting diode ", it utilizes the solid semiconductor chip as luminescent material, when two ends add forward voltage; Carrier in the semiconductor takes place compound, emits superfluous energy and causes that photo emissions produces visible light.LED is a kind of electronic device that can electric energy be converted into luminous energy with diode characteristic, and different light emitting diodes can send the light of the different wave length from infrared to ultraviolet light.Led light source is high with its luminous efficiency; The great power LED light efficiency can reach 140 lumens/watt at present; Distant view development can reach the 150-200 lumens/watt, and incandescent lamp, halogen tungsten lamp light efficiency are the 12-24 lumens/watt, and the fluorescent lamp light efficiency is 50～70 lumens/watt; The sodium vapor lamp light efficiency is 90～140 lumens/watt, and all the other most of electric energy become thermal losses.The monochromaticjty of led light source is good, spectrum is narrow; Need not to filter can directly send coloured visible light, power consumption few (under same illuminating effect situation, power consumption is 1/8th of incandescent lamp bulb, fluorescent tube 1/2nd), long service life (average life span reaches 100,000 hours), security reliability is strong, (LED is a cold light source to help environmental protection; Caloric value is low; Non-thermal radiation can safe touch, is convenient to installation and maintenance.The element of health risks such as not mercurous, sodium, discarded object is recyclable).The outstanding advantage of these of led light source makes its market prospects be expected most at lighting field.
The final performance of led light source product is by epitaxial growth, chip manufacturing, and fluorescent material and encapsulation technology determine jointly.The LED key technology mainly contains chip fabrication techniques, fluorescent material technology, encapsulation technology; In application, mainly contain heat dissipation technology, constant current Driving technique etc.
The LED lighting belongs to this industrial chain application end prod, and technological relatively door is lower.Its key technology that need solve has: the heat dissipation problem of (one) light source chip.Although led light source is the solid luminescence cold light source; But the compound generation photo emissions of the carrier in the semiconductor sub-fraction that also just it released energy; Still to exhale and obtain most of energy with heat conducting form by the outside; This part heat energy leaves as can not in time deriving, and will cause that chip temperature raises.Working chip one is will reduce greatly in the life-span under the high temperature, the 2nd, cause the light decay that chip is serious.Selecting for use of radiator material hopes that it has high specific heat and high heat-conduction coefficient simultaneously at present, and silver and copper are best Heat Conduction Materials, secondly are gold and aluminium.The gold, silver too expensive is so radiator is mainly made of aluminum at present.But fine aluminium is too soft, and general bad direct use all is to use aluminium alloy to guarantee enough intensity, and its advantage is cheap, and is in light weight.(2) design of light fixture secondary light extraction efficiency.It comprises chip position design, the design of light cup, lampshade design etc.(3) light fixture configuration design.The light fixture profile should be complementary with environment for use, and is elegant in appearance.
Summary of the invention
The purpose of the utility model is to provide a kind of LED ball alveolitoid bulb of modular organization, have good heat dissipation effect, chip position install appropriate, bulb secondary light extraction efficiency is high, good looking appearance is generous and be convenient to produce, cost is lower, the characteristics that are easy to apply.
To achieve these goals, the following technical scheme of the utility model employing is achieved.
A kind of LED ball alveolitoid bulb; Comprise the lamp holder, power module, the light source chip that are electrically connected successively; It is characterized in that also comprise the loam cake, radiator and the lampshade that are fixedly connected sequentially, said lamp holder is fixedly connected on tops; Power module is fixed on the radiator end face, and light source chip is fixed on the radiator bottom surface.
The characteristics of the utility model are with further improving:
Said lampshade top offers through hole, through hole circumferentially be provided with cylinder, the cylinder bottom is equipped with the lens over against said light source chip, cylinder top and radiator bottom surface are tightly connected.
Said lampshade offers passage.
Said loam cake offers passage.
Said loam cake and the clamping of radiator top.
Said lampshade and the clamping of radiator bottom.
Said radiator is made up of cylinder and the vertical bar shape heat radiation wing that is distributed in the cylinder outer wall; Said power module is positioned at the cylinder end face of radiator, and light source chip is positioned at the cylinder bottom surface of radiator; Said loam cake and lampshade offer passage respectively, and passage is corresponding with the formed conduit of adjacent vertical bar shape heat radiation wing.
In the utility model, the lampshade top offers through hole, through hole circumferentially be provided with cylinder; The cylinder bottom is equipped with the lens over against light source chip; Cylinder top and radiator bottom surface are tightly connected, and light source chip is arranged in closed environment, can prolong the light source chip life-span; Adopt lens light gathering, a part of light that light source chip is sent converges forward, improves the secondary light extraction efficiency, thereby improves the effective lighting effect of bulb greatly.Radiator is made up of cylinder and the vertical bar shape heat radiation wing that is distributed in the cylinder outer wall, and loam cake and lampshade offer passage respectively, and passage is corresponding with the formed conduit of adjacent vertical bar shape heat radiation wing, makes bulb form air communication channel, favourable heat radiation up and down naturally.Loam cake and the clamping of radiator top, lampshade and the clamping of radiator bottom are produced easyly, and good looking appearance is generous.
Description of drawings
Below in conjunction with the accompanying drawing and the specific embodiment the utility model is explained further details.
Fig. 1 partly cuts open sketch map for a kind of LED ball alveolitoid bulb of the utility model;
Fig. 2 is the structural representation of radiator;
Fig. 3 partly cuts open sketch map for lampshade;
Fig. 4 is the schematic top plan view of Fig. 3;
Among the figure: 1, lamp holder; 2, loam cake; 3, power module; 4, radiator; 401, cylinder; 402, heat radiation wing; 5, light source chip; 6, lampshade; 7, cylinder; 8, lens; 9, passage.
The specific embodiment
With reference to Fig. 1, be a kind of LED ball alveolitoid bulb of the utility model, wherein; Lamp holder 1, power module 3, light source chip 5 are electrically connected successively, and loam cake 2, radiator 4 and lampshade 6 are fixedly connected sequentially, and lamp holder 1 is fixedly connected on loam cake 2 tops; Power module 3 is fixed on radiator 4 end faces; Light source chip 5 is fixed on radiator 4 bottom surfaces, in radiator 5 center drillings lead-in wire, electric connection of power supply module 3 and light source chip 5.Lamp holder 1 can be screw socket, also can be mouth hanging, and loam cake 2 tops and lamp holder 1 are through being threaded.The shape of loam cake 2 and lampshade 6 forms by spherical crown surface and cylinder butt joint.
In conjunction with Fig. 2, the aluminium alloy extrusions that radiator 4 is made up of cylinder 401 and the vertical bar shape heat radiation wing 402 that is distributed in the cylinder outer wall.The lower edge portion of loam cake 2 is provided with trip, and vertical bar shape heat radiation wing 402 tops of radiator 4 offer draw-in groove, loam cake 2 and radiator 4 top clampings; Equally, the upper edge of lampshade 6 is provided with trip, and vertical bar shape heat radiation wing 402 bottoms of radiator 4 offer draw-in groove, lampshade 6 and radiator 4 bottom clampings.Power module is positioned at cylinder 401 end faces of radiator, and light source chip 5 is positioned at cylinder 401 bottom surfaces of radiator 4.
In conjunction with Fig. 3; Lampshade 6 tops offer through hole, through hole circumferentially be provided with cylinder 7, cylinder 7 bottoms are equipped with the lens (convex lens) 8 over against light source chip 5; The cylinder bottom surface of radiator 4 offers seal groove; Be provided with sealing ring in the seal groove, the cylinder top embeds seal groove, is tightly connected with the cylinder bottom surface of radiator 4.Lampshade 6 offers passage 9, and loam cake 2 also offers passage, and passage is corresponding with the formed conduit of adjacent vertical bar shape heat radiation wing, is beneficial to air and circulates up and down, improves radiating effect.
The operation principle of the utility model is: after the bulb energized; The heat of being sent when light source chip is luminous passes to radiator; Radiator discharges the heat that light source chip produces through the heat radiation wing on it; The heat that is discharged is the natural air that forms of the passage through the passage of loam cake, adjacent vertical bar shape heat radiation formed conduit of wing and lampshade circulation passage up and down again, and the heat that discharges is distributed.The light that the while light source chip sends improves the effective lighting effect of bulb via the lens light gathering at lampshade top.
Although more than combine accompanying drawing that the embodiment of the utility model is described, the utility model is not limited to above-mentioned specific embodiments and applications field, and above-mentioned specific embodiments only is schematic, guiding, rather than restrictive.Those of ordinary skill in the art under the situation that does not break away from the scope that the utility model claim protected, can also make a variety of forms under the enlightenment of this specification, these all belong to the row of the utility model protection.
Claims (9)
1. LED ball alveolitoid bulb; Comprise the lamp holder, power module, the light source chip that are electrically connected successively; It is characterized in that also comprise the loam cake, radiator and the lampshade that are fixedly connected sequentially, said lamp holder is fixedly connected on tops; Power module is fixed on the radiator end face, and light source chip is fixed on the radiator bottom surface.
2. LED ball alveolitoid bulb according to claim 1 is characterized in that said lampshade top offers through hole, through hole circumferentially be provided with cylinder, the cylinder bottom is equipped with the lens over against said light source chip, cylinder top and radiator bottom surface are tightly connected.
3. LED ball alveolitoid bulb according to claim 1 is characterized in that said lampshade offers passage.
4. LED ball alveolitoid bulb according to claim 1 is characterized in that said loam cake offers passage.
5. LED ball alveolitoid bulb according to claim 1 is characterized in that said loam cake and the clamping of radiator top.
6. LED ball alveolitoid bulb according to claim 1 is characterized in that said lampshade and the clamping of radiator bottom.
7. LED ball alveolitoid bulb according to claim 1 is characterized in that, said radiator is made up of cylinder and the vertical bar shape heat radiation wing that is distributed in the cylinder outer wall.
8. LED ball alveolitoid bulb according to claim 7 is characterized in that said power module is positioned at the cylinder end face of radiator, and light source chip is positioned at the cylinder bottom surface of radiator.
9. LED ball alveolitoid bulb according to claim 7 is characterized in that said loam cake and lampshade offer passage respectively, and passage is corresponding with the formed conduit of adjacent vertical bar shape heat radiation wing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204264867U CN202253075U (en) | 2011-11-01 | 2011-11-01 | LED (light emitting diode) bulb |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204264867U CN202253075U (en) | 2011-11-01 | 2011-11-01 | LED (light emitting diode) bulb |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202253075U true CN202253075U (en) | 2012-05-30 |
Family
ID=46114315
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204264867U Expired - Fee Related CN202253075U (en) | 2011-11-01 | 2011-11-01 | LED (light emitting diode) bulb |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202253075U (en) |
-
2011
- 2011-11-01 CN CN2011204264867U patent/CN202253075U/en not_active Expired - Fee Related
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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 |
Granted publication date: 20120530 Termination date: 20141101 |
|
| EXPY | Termination of patent right or utility model |