CN203686645U - Reflecting cup for light emitting diode (LED) lamp taking chip on board (COB) as light source and LED lamp - Google Patents
Reflecting cup for light emitting diode (LED) lamp taking chip on board (COB) as light source and LED lamp Download PDFInfo
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- CN203686645U CN203686645U CN201320811520.1U CN201320811520U CN203686645U CN 203686645 U CN203686645 U CN 203686645U CN 201320811520 U CN201320811520 U CN 201320811520U CN 203686645 U CN203686645 U CN 203686645U
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- reflector
- light source
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- reflecting cup
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Abstract
The utility model relates to the field of LED lamp lighting, in particular to a reflecting cup for a light emitting diode (LED) lamp taking a chip on board (COB) as a light source and the LED lamp. The reflecting cup adopted by the utility model is in a shape of a horn cup, and characterized in that the upper end of the reflecting cup is larger than the lower end thereof, a hole is formed in the bottom, the reflecting cup is obtained by carrying out the spinning process on an aluminum plate, a plurality of small reflecting surfaces with certain shapes are arranged on the inner surface of the reflecting cup, then subjected to pickling oil removal and anodic oxidation treatment, and the inner surface of the reflecting cup is sprayed by a diffuse reflection coating with high diffuse reflectance for multiple times, and then baked to form a diffuse reflection layer of which the thickness is 40 to 200 microns on the inner surface of the reflecting cup. The LED lamp mounted with the reflecting cup comprises a transparent glass piece, a surface cover suite, the reflecting cup, a lamp cup gasket, a COB light source, a radiator and a power supply. The LED lamp has the characteristics of having high complete light effect and uniform light emission, not only eliminating obvious color difference, but also removing yellow circles on the periphery of flare to greatly improve the light emission quality of the lamp.
Description
Technical field
The utility model relates to LED field of lamp illumination, and relating in particular to a kind of is COB LED lamp reflector and this LED lamp as light source take integrated optical source.
Background technology
Along with new technology is in the application of LED lighting field, what COB light source was more and more many is applied to LED light fixture.In order to improve the light efficiency of the LED light fixture take COB as light source, conventionally in light fixture, improve light efficiency and control rising angle with reflector.Now widely used reflector is that aluminium sheet forms through anodic oxidation through spinning aftershaping again.But, use the defect of this type of reflector to be: the one, light efficiency is low, and the 2nd, exist obvious aberration and hot spot periphery to have yellow light ring through the light of reflector output.These two shortcomings especially the latter have had a strong impact on the application that this COB is the LED light fixture of light source.Therefore, be necessary to improve the existing LED lamp reflector for COB light source, eliminate above-mentioned defect.
Summary of the invention
Main purpose of the present utility model is to solve the lamp reflector of existing employing COB light source and the above-mentioned defect of corresponding light fixture, and a kind of LED lamp reflector take COB as light source and the light fixture that this reflector is installed are provided.
A LED lamp reflector take COB as light source, is characterized in that, described reflector, and it is shaped as loudspeaker cup-shaped, and upper end diameter is greater than lower end diameter, and bottom centre's perforate, for exposing COB light source.
Above-mentioned reflector, is characterized in that, the shape of described bottom centre perforate can be circular hole or square hole.
Above-mentioned reflector, is characterized in that, this reflector is obtained through spinning process by aluminium sheet, then through pickling degreasing and anodized, forms one deck anodic oxide coating on reflector surface.
Above-mentioned reflector, is characterized in that, the inner surface of this reflector has the effigurate little reflecting surface of some tools, and according to the difference of rising angle, shape and the quantity of these little reflectings surface are different.
Above-mentioned reflector, is characterized in that, the inner surface spraying after anodic oxidation of this reflector has the diffuse reflection coating of high diffuse reflectance, after 100 degree bakings, forms one have certain thickness diffuse reflector at reflector inner surface.
Above-mentioned reflector, is characterized in that, the diffuse reflector that the diffuse reflector forming at reflector inner surface is formed by each spraying superposes and obtains, and the stack number of plies is more than or equal to 2.
Above-mentioned reflector, is characterized in that, the diffuse reflector thickness range of reflector inner surface is 40 to 200 microns.
Above-mentioned reflector, is characterized in that, the diffuse reflection coating spraying is water base diffuse reflection coating, and its diffuse reflectance, in visible-range, is subject to wavelength affects little.
Above-mentioned reflector, is characterized in that, the water base diffuse reflection coating spraying contains inorganic micron and nano particle that can usable reflection visible ray, as barium sulfate micron and nano particle.
A LED lamp take COB as light source, comprises sheet glass, cover set, reflector, Lamp cup pad, COB light source, radiator, and power supply, it is characterized in that described reflector is the reflector that right 1 requires, compress and be tightened by cover set again by reflector upper end transparency glass plate
Above-mentioned LED lamp, is characterized in that described light source is single COB light source, is bonded on radiator by heat-conducting silicone grease.
Above-mentioned LED lamp, is characterized in that described radiator is the finned radiator of die casting aluminium or punching press aluminium radiator or car aluminium radiator.
Above-mentioned LED lamp, is characterized in that described spreader surface has black coating, is beneficial to the heat loss through radiation of light fixture.
Above-mentioned LED lamp, is characterized in that described cover set material is aluminium.
Above-mentioned LED lamp, it is characterized in that described power supply be the external power supply that is connected with COB light source by wire or be the power supply being built in radiator.
Advantage of the present utility model
1., after employing is coated with the reflector of diffuse reflection coating, the whole Light light efficiency of above-mentioned a kind of LED lamp take COB as light source is increased.
2. after employing is coated with the reflector of diffuse reflection coating, make the bright dipping of above-mentioned a kind of LED lamp take COB as light source become very even, not only eliminated obvious aberration, and eliminated the Huang circle of hot spot periphery, make this lamp go out light quality and greatly improve.
3. after employing is coated with the reflector of diffuse reflection coating, the rising angle of above-mentioned a kind of LED lamp take COB as light source is increased, but be matrix by adopting the reflector of little rising angle, can obtain the substantially constant reflector of rising angle and former design.For example, be the reflector of 80 degree if need rising angle, can adopt former rising angle is that the reflector of 38 degree is matrix, after surface spraying diffuse reflection coating, just can obtain rising angle and be approximately the reflector of 80 degree.
Accompanying drawing explanation
Fig. 1 is Product Assembly schematic diagram of the present utility model.
Fig. 2 is product cross-sectional view of the present utility model.
Illustrate:
1 sheet glass; 2 cover set; 3 reflectors; 4 Lamp cup pads; 5COB light source; 6 radiators.
The specific embodiment
Be described further with regard to the utility model below in conjunction with accompanying drawing.
This practicality is novel a kind of LED lamp reflector take COB as light source, as depicted in figs. 1 and 2, it is shaped as bell mouth shape, upper end diameter is greater than lower end diameter, bottom opening is circular, be used for exposing COB light source, this reflector is obtained through spinning process by aluminium sheet, inner surface has some trapezoidal reflectings surface that are shaped as, form anodic oxide coating through pickling degreasing and anodized on surface again, inner surface spraying has the water base diffuse reflection coating of high diffuse reflectance, after 100 degree bakings, form a diffuse reflection coating with high diffuse reflectance at reflector inner surface, spraying is carried out three times repeatedly, finally obtain three stacked diffuse reflectors that add, the gross thickness of diffuse reflector is greater than 50 microns.
The utility model be provided with this reflector LED lamp assembling schematic diagram as Fig. 1 and product profile as shown in Figure 2, comprise glass lens 1, cover set 2, reflector 3, Lamp cup pad 4, COB light source 5, and radiator 6.
COB light source 5 is bonded on radiator 6 by heat-conducting silicone grease.
Radiator 6 is connected by screw socket with cover set 2 and is screwed.
COB light source 5 is connected by wire with power supply.
Reflector 3 is pressed on Lamp cup pad 4, and aligned position, exposes COB light source 5, then, transparency glass plate is pressed in to reflector upper end, by fixation reflex cup after cover set spiral compression, dresses up the whole Light of LED.
Above the utility model is described in detail, in literary composition, application principle and the embodiment of example to utility model is set forth, and the declarative knowledge of above embodiment is used for understanding the utility model method and core concept thereof.Should be understood that; for the person of ordinary skill of the art; do not departing under the prerequisite of the utility model principle, can also carry out some improvement and modification to the utility model, these improvement and modification thereby fall in the protection domain of the utility model claim.
Claims (10)
1. the LED lamp reflector take COB as light source, is characterized in that, described reflector, and it is shaped as bell mouth shape, and upper end diameter is greater than lower end diameter, and bottom centre's perforate, for exposing COB light source.
2. reflector according to claim 1, is characterized in that, the shape of described bottom centre perforate can be circular hole or square hole.
3. reflector according to claim 1, is characterized in that, the aluminium sheet that this reflector is 0.8 millimeter to 2.0 millimeters by thickness obtains through spinning process, then through pickling degreasing and anodized, forms one deck anodic oxide coating on reflector surface.
4. reflector according to claim 1, is characterized in that, the inner surface of this reflector has the effigurate little reflecting surface of some tools, and according to the difference of rising angle, shape and the quantity of these little reflectings surface are different.
5. reflector according to claim 1, is characterized in that, this reflector inner surface after anodic oxidation sprays the diffuse reflection coating of high diffuse reflectance, after 100 degree bakings, forms one have certain thickness diffuse reflector at reflector inner surface.
6. reflector according to claim 1, is characterized in that, the diffuse reflector that the diffuse reflector forming at reflector inner surface is formed by each spraying superposes and obtains, and the stack number of plies is more than or equal to 2.
7. reflector according to claim 1, is characterized in that, the diffuse reflector thickness range of reflector inner surface is 40 to 200 microns.
8. reflector according to claim 1, is characterized in that, the diffuse reflection coating spraying is water base diffuse reflection coating, and its diffuse reflectance, in visible-range, is subject to wavelength affects little.
9. reflector according to claim 1, is characterized in that, the water base diffuse reflection coating spraying contains inorganic micron and nano particle that can usable reflection visible ray, as barium sulfate micron and nano particle.
10. the LED lamp take COB as light source, comprises sheet glass, cover set, reflector, Lamp cup pad, COB light source, radiator, and power supply, it is characterized in that the reflector that described reflector is claim 1, compress and be tightened by cover set again by reflector upper end transparency glass plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320811520.1U CN203686645U (en) | 2013-12-10 | 2013-12-10 | Reflecting cup for light emitting diode (LED) lamp taking chip on board (COB) as light source and LED lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320811520.1U CN203686645U (en) | 2013-12-10 | 2013-12-10 | Reflecting cup for light emitting diode (LED) lamp taking chip on board (COB) as light source and LED lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203686645U true CN203686645U (en) | 2014-07-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320811520.1U Expired - Fee Related CN203686645U (en) | 2013-12-10 | 2013-12-10 | Reflecting cup for light emitting diode (LED) lamp taking chip on board (COB) as light source and LED lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203686645U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108443725A (en) * | 2018-05-09 | 2018-08-24 | 华南理工大学 | A kind of LED soft-light lamps and lanterns of heat dissipation and preparation method thereof |
-
2013
- 2013-12-10 CN CN201320811520.1U patent/CN203686645U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108443725A (en) * | 2018-05-09 | 2018-08-24 | 华南理工大学 | A kind of LED soft-light lamps and lanterns of heat dissipation and preparation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| DD01 | Delivery of document by public notice |
Addressee: FOSHAN HAOTIAN YUNHAN ADVANCED MATERIALS TECHNOLOGY CO., LTD. Document name: Notification to Pay the Fees |
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| DD01 | Delivery of document by public notice |
Addressee: FOSHAN HAOTIAN YUNHAN ADVANCED MATERIALS TECHNOLOGY CO., LTD. Document name: Notification of Termination of Patent Right |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140702 Termination date: 20141210 |
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| EXPY | Termination of patent right or utility model |