CN201187742Y - High power LED lamp - Google Patents
High power LED lamp Download PDFInfo
- Publication number
- CN201187742Y CN201187742Y CNU2008201022046U CN200820102204U CN201187742Y CN 201187742 Y CN201187742 Y CN 201187742Y CN U2008201022046 U CNU2008201022046 U CN U2008201022046U CN 200820102204 U CN200820102204 U CN 200820102204U CN 201187742 Y CN201187742 Y CN 201187742Y
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- CN
- China
- Prior art keywords
- powered led
- radiator
- power led
- lamp
- reflection shield
- 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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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/0001—Technical content checked by a classifier
- H01L2924/0002—Not covered by any one of groups H01L24/00, H01L24/00 and H01L2224/00
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- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
The utility model discloses a high-power LED lamp which comprises a high-power LED, a lamp cap and a heat radiator, wherein, the high-power LED is fixed on the heat radiator, the heat radiator is positioned in an empty cavity formed between an insulation part and a light reflecting shield. The utility model has the advantages that the internal structure is good, the heat radiating effect is remarkable, the optical processing is scientific, the processing cost is low, the installation is simple, and the appearance is artistic.
Description
Technical field
The utility model relates to a kind of illuminating lamp, especially a kind of lamp that adopts great power LED as light source.
Background technology
At present, mainly based on low-power LED lamp, high-powered LED lamp is still less on the market.But high-powered LED lamp is than low-power LED lamp, because the problem of encapsulating material and technology, make it have a lot of innate advantages, as service life, light source uniformity etc., continuous reduction along with the improving constantly of great power LED luminous efficiency, cost, high-powered LED lamp will substitute low-power LED lamp in the future, becomes the main flow in market.
Low-power LED lamp is with after many low-power LED connection in series-parallel combinations, directly is fixed on the PCB wiring board by two stitch, because LED power is very low, therefore do not need special heat dissipation design, and the low-power LED cost is very low, and design is used simple.But because power is limited, after the series-parallel mode group of employing plurality of LEDs, the service life of low-power LED is shorter, causes dead lamp phenomenon easily, poor stability, and the uniformity of light source is difficult to controlled, therefore can only quote the application scenario at some low sides.
High-powered LED lamp has brought certain difficulty because the volume of lamp is less to the heat radiation and the optical treatment of great power LED.As the patent No. is in the LED lamp structure-improved patent of " 200720141005.1 ", is provided with a lamp holder in the lamp outside, and inside is provided with the light emitting diode as light source, is fitted with the increasing fin of an area greater than the pedestal area in base bottom.In patent, because lamp holder directly is connected with lampshade, after LED is fixed on the radiator, cause the spatial accommodation between LED and the lamp holder limited, be difficult to great power LED is carried out radiating treatment, as enlarge the area etc. of heat radiation, and can't hold crossing current circuit or driving power etc., directly have influence on the service life and the range of application of lamp.
The utility model content
At the problems referred to above, the utility model provides a kind of high-powered LED lamp.
To achieve these goals, technical solution adopted in the utility model is: a kind of high-powered LED lamp, include great power LED, lamp holder, radiator, and great power LED is fixed on the radiator, in the cavity that radiator forms between insulating part and reflection shield;
Described reflection shield is outside equipped with lampshade.
Described radiator and radiating fin are structure as a whole, and radiating fin has insulator outward, and some louvres are arranged on the insulator.
Described lamp holder can be screw-type, bayonet type structure.
Described insulating part includes the hollow cylinder of upper end and the hollow round platform of lower end, and there is a planar isolated centre.
Described insulating part arranged outside has external screw thread, cooperates the screw thread of lamp holder, makes both fastening.
Described radiating fin is distributed with radiating fin branch.
Described reflection shield is the hollow similar cylinder or the structure of Rotary-table shape.
Described reflection shield surface is coated with aluminium, silver, and/or increases anti-film.
The inner surface of described lampshade is coated with anti-reflection film.
The utility model is provided with the cavity structure that reflection shield and insulating part are formed in lampshade inside, enlarged the receiving volume of lamp interior, can hold entire radiator, wherein radiator can adopt the aluminium section bar extrusion molding, and area of dissipation is big, light weight, cost is low, and processing is simple.
High-power LED light source is fixed on the central authorities of radiator, and protrudes in reflection shield, is coated with reflectorized material on the surface of reflection shield, as materials such as aluminium, silver, and is coated with on the surface of reflectorized material and increases anti-layer, can effectively increase the reflecting effect of light, improves and reduces light loss.
The utlity model has good internal structure, radiating effect is outstanding, scientific optical treatment, and low processing cost is installed simply good looking appearance.
Figure of description
Fig. 1 is the schematic perspective view of the utility model embodiment 1
Fig. 2 is the generalized section of the utility model embodiment 1
Fig. 3 is the radiator schematic diagram of the utility model embodiment 1
Fig. 4 is the schematic perspective view of the utility model embodiment 2
Fig. 5 is the generalized section of the utility model embodiment 2
The specific embodiment
As shown in Figure 1, the outward appearance of present embodiment 1 is a conventional lights, and visible part has lamp holder 1, insulating part 2, reflection shield 5, great power LED 4, lampshade 6 etc.In the drawings, lamp holder 1 adopts the helicitic texture of various standards, and is easy to install, can directly substitute existing lamp.Insulating part 2 is connected in lamp holder 1, adopts insulating materials such as plastics, pottery to make the parts of electrical isolation lamp holder below 1.Be evenly distributed with rectangular louvre 21 on the surface of insulating part 2, its size, quantity, shape can be used for designing according to concrete making, and increase the cross-ventilation of insulating part 2 and reflection shield 5 Inner heat sink, strengthen heat radiation.Lampshade 6 is to adopt materials such as clear glass or acrylic to make, there are structures such as reflection shield 5, great power LED 4 inside, lampshade 6 also can adopt ground glass or translucent other plastic materials to make various difformities according to the needs of light efficiency, increases the soften and the aesthetics of light.In concrete actual use, lampshade 6 can not installed yet, and great power LED 4 and reflection shield 5 directly expose in air.
As can be seen, embodiment 1 specifically is made up of lamp holder 1, insulating part 2, radiator 3, great power LED 4, reflection shield 5, lampshade 6, lead 7 in Fig. 2.Wherein, be provided with screw thread 22 above insulator 2 cylindrical, lamp holder 1 and insulating part 2 are closely fixing by helicitic texture, are provided with numerous louvres 21 on hollow round platform surface, the lower end of insulator 2.Radiator 3 is fixed in insulating part 2 and the radiator 3 formed cavitys.The pedestal end of great power LED 4 has a column type projection, and upper fixed has lens.Great power LED 4 is fixed on by the base projection close-fitting in the groove 31 of radiator 3 one ends, wherein is coated with heat-conducting glue in the mechanical contact gap of great power LED 4 and groove 31, increases heat transfer efficiency.Two electrodes of great power LED 4 weld by lead 7, and are drawn out on lamp holder 1.
Be coated with luminescent materials such as aluminium, silver on the surface of reflection shield 5, to increase the reflecting effect of LED light.Simultaneously, also can be coated with the anti-film of increasing of one or more layers, further improve the reflecting effect of reflection shield 5 on the luminescent material surface.
In Fig. 3, radiator 3 is the structure of similar column type, and the centre is a solid construction.Comparatively generally adopt the direct one-shot forming of aluminium alloy extruded mode, length intercepts as required again.Characteristics such as that the processing of this sample loading mode has is with low cost, in light weight, good heat dissipation effect also can adopt materials such as copper, aluminium to design processing in addition.End at radiator 3 is provided with groove 31, is used for fixing great power LED.Around be distributed with radiating fin 32, wherein radiating fin 32 has branched structure, and can make multiple-branching construction, to enlarge area of dissipation.
In Fig. 4, lamp holder 1 is the bayonet type structure of various standard specifications, and concrete structure includes insulator 2, great power LED 4, reflection shield 5, lampshade 6 etc.In Fig. 5, because lamp holder 1 do not have helicitic texture, so lamp holder 1 and insulating part 2 adopt and cohere or the mode of buckle is connected.Driving power 8 is installed in insulating part 2 inside, directly be connected two electrodes of lamp holder 1 by lead 10, lead 7 is connected great power LED 4 by the gap between the radiating fin 32 of radiator 3 with driving power 8,8 of driving powers are connected to lamp holder 1 by lead 10.Because driving power has been installed, therefore light fixture can directly be used under civil power, need not to buy and install extra power supply.
In the drawings, radiator 3 central authorities do not set up groove 31, and great power LED 4 closely is fixed on the central surface of radiator 3 by screw 9, closely contact at an end surfaces of great power LED 4 and radiator 3, and have highly heat-conductive material such as heat-conducting glue to fill, to increase thermal conductivity.Plate one or more layers anti-reflection film at the inner surface of lampshade 6, can effectively increase the light emission rate of light.
Above-described embodiment is the more preferably specific embodiment of the utility model, and common variation that those skilled in the art carries out in the technical scheme scope and replacement all should be included in the protection domain of the present utility model.
Claims (9)
1, a kind of high-powered LED lamp includes great power LED, lamp holder, radiator, it is characterized in that great power LED is fixed on the radiator, in the cavity that radiator forms between insulating part and reflection shield.
2, according to claims 1 described a kind of high-powered LED lamp, it is characterized in that described reflection shield is outside equipped with lampshade.
3, according to claims 1 or 2 described a kind of high-powered LED lamps, it is characterized in that described radiator and radiating fin are structure as a whole, radiating fin has insulator outward, and some louvres are arranged on the insulator.
4, according to claims 3 described a kind of high-powered LED lamps, it is characterized in that described lamp holder can be screw-type, bayonet type structure.
5, according to claims 1 described a kind of high-powered LED lamp, it is characterized in that described insulating part includes the hollow cylinder of upper end and the hollow round platform of lower end, there is a planar isolated centre.
6, according to claims 1 or 5 described a kind of high-powered LED lamps, it is characterized in that described insulating part arranged outside has external screw thread, cooperate the screw thread of lamp holder, make both fastening.
7, according to claims 3 described a kind of high-powered LED lamps, it is characterized in that described radiating fin is distributed with radiating fin branch.
8,, it is characterized in that described reflection shield is the hollow similar cylinder or the structure of Rotary-table shape according to claims 1 described a kind of high-powered LED lamp.
9,, it is characterized in that described reflection shield surface is coated with aluminium, silver and/or increases anti-film according to claims 1 or 8 described a kind of high-powered LED lamps.
10,, it is characterized in that the inner surface of described lampshade is coated with anti-reflection film according to claims 1 or 8 described a kind of high-powered LED lamps.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201022046U CN201187742Y (en) | 2008-04-30 | 2008-04-30 | High power LED lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201022046U CN201187742Y (en) | 2008-04-30 | 2008-04-30 | High power LED lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201187742Y true CN201187742Y (en) | 2009-01-28 |
Family
ID=40310764
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201022046U Expired - Fee Related CN201187742Y (en) | 2008-04-30 | 2008-04-30 | High power LED lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201187742Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101571268B (en) * | 2008-04-30 | 2014-04-09 | 诸建平 | High power LED lamp |
| CN103996786A (en) * | 2014-06-11 | 2014-08-20 | 常州市宏硕电子有限公司 | High-brightness light-emitting diode |
-
2008
- 2008-04-30 CN CNU2008201022046U patent/CN201187742Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101571268B (en) * | 2008-04-30 | 2014-04-09 | 诸建平 | High power LED lamp |
| CN103996786A (en) * | 2014-06-11 | 2014-08-20 | 常州市宏硕电子有限公司 | High-brightness light-emitting diode |
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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: 20090128 Termination date: 20130430 |