CN103353070A - Protection-type LED lamp - Google Patents
Protection-type LED lamp Download PDFInfo
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- CN103353070A CN103353070A CN2013102754117A CN201310275411A CN103353070A CN 103353070 A CN103353070 A CN 103353070A CN 2013102754117 A CN2013102754117 A CN 2013102754117A CN 201310275411 A CN201310275411 A CN 201310275411A CN 103353070 A CN103353070 A CN 103353070A
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- led light
- septum pellucidum
- lamina septum
- light source
- protection type
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Abstract
This invention provides a protection-type LED lamp. The protection-type LED lamp comprises a section bar for loading an LED light source and protection glue poured into the section bar, due to the fact that a transparent partition layer is arranged between the LED light source and the protection glue, the LED light source is made to be in a sealed space and to be isolated from the protection glue, and color temperature drifting is effectively reduced.
Description
Technical field:
Present patent application relates to lighting, relates in particular to the LED lighting.
Background technology:
LED(Lighting Emitting Diode) being light emitting diode, is a kind of semiconductor solid luminescence device.It is to utilize the solid semiconductor chip as luminescent material, by carrier compound energy of emitting surplus occurs and cause photo emissions in semiconductor, and is directly luminous.The LED illuminating product utilizes LED as the produced ligthing paraphernalia of light source exactly, there are not ultraviolet ray and infrared ray in the spectrum of led light source, heat is low and without stroboscopic, radiationless, and discarded object is recyclable, does not pollute not contain mercury element, cold light source, can safe touch, therefore belong to typical green illumination light source; In addition, LED be called as the 4th generation lighting source or green light source, have the advantages such as energy-saving and environmental protection, the life-span is long, volume is little, can be widely used in the fields such as various indications, demonstration, decoration, backlight, general lighting and urban landscape.
The LED outdoor lamp has certain namely what is often called " three is anti-" that requires to the IP degree of protection, wherein, IP is the abbreviation of Ingress Protection, the IP grade is to allotrylic degree of protection for the electrical equipment shell, the source was the standard IEC 60529 of International Electrotechnical Commission, and this standard also was adopted to American National Standard in 2004.In this standard, for the protection of electrical equipment shell to foreign matter, the form of IP grade is IPXX, wherein XX is two Arabic numerals, first digit shows the scope of the anti-micronic dust of equipment, or people avoid the degree that endangers in sealed environment, and wherein the I representative prevents the grade that solid foreign materials enters, and highest level is 6; Second digit shows the degree of equipment waterproof.The P representative prevents the grade into water, and highest level is 8.
In the LED light fixture, such as the hard lamp bar of LED, lamp bar main body is aluminium alloy extrusions, be mounted with the led light source plate on the section bar, it is usually used in outdoor occasion, is to have certain requirements to the IP grade therefore, such as IP65, meaning i.e. dustproof class 6: prevent the dust intrusion fully, dustproof class 5: prevent the water intrusion that billow or hole for water spraying spray rapidly.
Owing to will accomplish above degree of protection, on the structure of the hard lamp bar of LED and the manufacture craft certain specification requirement is arranged, method commonly used is hard lamp bar to be filled with protective rubber process, but present encapsulating is processed and is had great defective, the hard lamp bar of LED behind the encapsulating problem of great colour temperature drift can occur and be difficult to control when illumination, and, after tested, the brand of colour temperature drift and protective rubber and thickness, type or the brand of employed led light source are relevant, reference factor is very many, so that if type selecting goes out the lower protective rubber of colour temperature drift, led light source, and definite corresponding engineering parameter, adopt the words workload of the method for trying at present survey too large, inefficiency.
To sum up, how to develop a kind of method or product that can solve look drift behind the LED encapsulating, become problem demanding prompt solution in the LED lighting industry.
Summary of the invention:
One of purpose of present patent application is to provide a kind of protection type LED light fixture energy, effectively prevents look drift behind the LED encapsulating, solves the problem of above-mentioned prior art.
For addressing the above problem, present patent application provides a kind of protection type LED light fixture, comprise at least one led light source, have section bar, the protective rubber of can in described holding part for the holding part of the described led light source of installing, it is characterized in that, also be provided with lamina septum pellucidum in the described holding part, and described lamina septum pellucidum is located between described protective rubber and the led light source, has the space between described lamina septum pellucidum and the described led light source.
Preferably, described lamina septum pellucidum is sheet shape, described lamina septum pellucidum is arranged on the described holding part sidewall and is located at described led light source top, fill with on the described lamina septum pellucidum described protective rubber is arranged, further, described holding part sidewall is provided with draw-in groove, and described lamina septum pellucidum is arranged in the described draw-in groove, further, be provided with fluid sealant between described lamina septum pellucidum and draw-in groove.
Preferably, described lamina septum pellucidum can be hood-shaped, and described lamina septum pellucidum is located at described section bar and is covered described led light source, and filling with on the described lamina septum pellucidum has described protective rubber, and further, the junction of described lamina septum pellucidum and described section bar is provided with fluid sealant.
Preferably, described led light source has a plurality of, and described lamina septum pellucidum quantity is 1, and there is described led light source in described lamina septum pellucidum cover residence.
Preferably, described led light source has a plurality of, and described lamina septum pellucidum has a plurality of of respective amount, and described lamina septum pellucidum correspondingly cover residence is stated a plurality of led light sources.
Preferably, in the space between described lamina septum pellucidum and the described led light source air is arranged.
Preferably, described section bar is bar shaped.
A kind of protection type LED light fixture that present patent application provides, comprise the section bar that loads led light source and the protective rubber that pours into section bar, by between led light source and described protective rubber, being provided with lamina septum pellucidum, separate with described protective rubber thereby described led light source is in the seal cavity, effectively reduce the colour temperature drift.
Description of drawings:
Fig. 1 is the STRUCTURE DECOMPOSITION schematic diagram of the first embodiment of a kind of protection type LED light fixture of present patent application.
Fig. 2 is the textural association schematic diagram of the first embodiment of a kind of protection type LED light fixture of present patent application.
Fig. 3 is the side view of the A direction of Fig. 2.
Fig. 4 is the STRUCTURE DECOMPOSITION schematic diagram of the second embodiment of a kind of protection type LED light fixture of present patent application.
Fig. 5 is the textural association schematic diagram of the second embodiment of a kind of protection type LED light fixture of present patent application.
Fig. 6 is the side view of the B direction of Fig. 3.
Fig. 7 is the optical principle key diagram of prior art.
Fig. 8 is the partial enlarged drawing at the C position of Fig. 7.
The specific embodiment:
The first embodiment:
As shown in Figure 1 to Figure 3, a kind of protection type LED light fixture that present patent application provides, comprise at least one led light source 11, have the section bar 1 of holding part for the described led light source 11 of installing, this moment is the can protective rubber not yet, the protective actions such as that described protective rubber can play is dustproof, waterproof.In the present embodiment, described section bar 1 is made for aluminium alloy, and described holding part is groove, and described section bar 1 is bar shaped, and namely described light fixture is bar shaped, and light fixture can all can such as sphere, bowl-type, square etc. for other shapes in other embodiments certainly.
Present patent application is by lamina septum pellucidum 2 is set in described holding part, and described lamina septum pellucidum 2 is located at described led light source 11 tops, makes between described lamina septum pellucidum 2 and the described led light source 11 and leaves the space.In the present embodiment, described lamina septum pellucidum 2 is sheet shape, described lamina septum pellucidum 2 be arranged on the described holding part sidewall and be located at described led light source 11 tops and and 11 of described led light sources leave the space, described protective rubber is located on the described lamina septum pellucidum 2 for filling with.
In the present embodiment, described holding part sidewall is provided with draw-in groove, and described lamina septum pellucidum 2 is arranged in the described draw-in groove, can certainly adopt other engaging modes, such as protruding and with the holding section of draw-in groove etc., the residence that only needs to realize being fixed is stated lamina septum pellucidum 2 and is got final product, and is not to be limited with present embodiment.
In the present embodiment, be provided with fluid sealant between described lamina septum pellucidum 2 and draw-in groove, can permeate described lamina septum pellucidum when preventing the described protective rubber of can to described led light source 11.
The second embodiment:
Similar, extremely shown in Figure 6 such as Fig. 4, mainly be with the difference of the first embodiment, described lamina septum pellucidum 2 ' is hood-shaped, described lamina septum pellucidum 2 ' is located at described section bar 1 and is covered described led light source 11, described lamina septum pellucidum 2 ' the upper filling has described protective rubber, and further, described lamina septum pellucidum 2 ' is provided with fluid sealant to prevent from as above stating the infiltration problem of protective rubber with the junction of described section bar 1.
In this embodiment, described led light source 11 has a plurality of, described lamina septum pellucidum 2 ' quantity is 1, there is described led light source 11 in described lamina septum pellucidum 2 ' cover residence, certainly in other embodiments, if described led light source 11 has a plurality of, described lamina septum pellucidum 2 ' cover also can have a plurality of of respective amount, described lamina septum pellucidum 2 ' correspondingly cover residence is stated a plurality of led light sources 11, can also increase according to actual needs other embodiments, varying in size of described lamina septum pellucidum 2 ' for example covers the led light source 11 that covers varying number etc., can be implemented as standard with those skilled in the art, is not to be limited with present embodiment.
What must illustrate is among above-mentioned first and second embodiment, to have air in the described space; Described lamina septum pellucidum (2,2 ') material can be the polymeric material (PVC) of existing common materials such as PETG (PET), Merlon (PC), vinyl, ARM material (the upgrading material of PET), polymethyl methacrylate (PMMA), safety glass etc., need have some strength, heat resistance is better, the higher then anti-colour temperature effect of transparency is better, although the lamina septum pellucidum (2 in the above-mentioned diagram, 2 ') demonstration is nontransparent, but diagram only is in order to illustrate that it exists, and is actually transparent.
Below LED light fixture by the theoretical explanation present patent application improve the reason of colour temperature drift:
As shown in Figures 7 and 8, in the prior art, the conventional white LED light source 11 that uses utilizes blue-light LED chip 111 and yag crystal (YAG) fluorescent material to make, the blue light part that blue-light LED chip 111 sends is absorbed by fluorescent material, and a part excites coating fluorescent material above it to convert gold-tinted to; Some blue light appears from the packaging silicon rubber of led light source again, during the interface of the blue light that this part appears by the intrinsic packaging silicon rubber 112 of led light source 11 and air, owing to be that optically denser medium passes to optically thinner medium between silica gel and the air, therefore total reflection can occur, be reflected back secondary excitation fluorescent material in led light source 11 cavitys, through Multi reflection and after exciting, blue light and gold-tinted blend together white light.
When behind led light source 11 surperficial encapsulatings, packaging silicon rubber 112 close contacts of protective rubber 3 and led light source 11, script is at the blue light of the Silica Surface generation total reflection of LED encapsulation, want delay path just to reflect to protective rubber 3 surfaces of embedding, and the blue light route that be reflected back this moment can be offset, and can't be reflected back in led light source 11 cavitys, can't carry out secondary excitation with fluorescent material, thereby cause the gold-tinted that excites to lack and blue light is many, caused the colour temperature drift problem behind the encapsulating.
Therefore, the technical scheme of present patent application is that the packaging silicon rubber of led light source 11 and described protective rubber are separated, making the medium of the packaging silicon rubber contact of described led light source 11 is air, colour temperature drift phenomenon just can be controlled, certainly also can select in actual applications to be filled with other gases and replace air, only need meet the close optically thinner medium requirement of above-mentioned light and get final product, be not to be limited with present embodiment.
To sum up, a kind of protection type LED light fixture that present patent application provides, comprise the section bar that loads led light source and the protective rubber that pours into section bar, by between led light source and described protective rubber, being provided with lamina septum pellucidum, separate with described protective rubber thereby described led light source is in the seal cavity, effectively reduce the colour temperature drift.
Should be appreciated that those of ordinary skill in the art need not creative work and just can make many modifications and variations according to the design of present patent application.Therefore, all those skilled in the art according to the design of this patent on the basis of existing technology by the available technical scheme of logical analysis, reasoning, or a limited experiment, all should be in the determined protection domain by this patent.
Claims (10)
1. protection type LED light fixture, comprise at least one led light source, have section bar, the protective rubber of can in described holding part for the holding part of the described led light source of installing, it is characterized in that, also be provided with lamina septum pellucidum in the described holding part, and described lamina septum pellucidum is located between described protective rubber and the LED lamp source, has the space between described lamina septum pellucidum and the described LED lamp source.
2. protection type LED light fixture as claimed in claim 1 is characterized in that, described lamina septum pellucidum is sheet shape, and described lamina septum pellucidum is arranged on the described holding part sidewall and is located at top, described LED lamp source, and filling with on the described lamina septum pellucidum has described protective rubber.
3. protection type LED light fixture as claimed in claim 2 is characterized in that, described holding part sidewall is provided with draw-in groove, and described lamina septum pellucidum is arranged in the described draw-in groove.
4. protection type LED light fixture as claimed in claim 3 is characterized in that, is provided with fluid sealant between described lamina septum pellucidum and draw-in groove.
5. protection type LED light fixture as claimed in claim 1 is characterized in that, described lamina septum pellucidum is hood-shaped, and described lamina septum pellucidum is located at described section bar and is covered described LED lamp source, and filling with on the described lamina septum pellucidum has described protective rubber.
6. protection type LED light fixture as claimed in claim 5 is characterized in that the junction of described lamina septum pellucidum and described section bar is provided with fluid sealant.
7. protection type LED light fixture as claimed in claim 5 is characterized in that described led light source has a plurality of, and described lamina septum pellucidum quantity is 1, and there is described led light source in described lamina septum pellucidum cover residence.
8. protection type LED light fixture as claimed in claim 5 is characterized in that described led light source has a plurality of, and described lamina septum pellucidum has a plurality of of respective amount, and described lamina septum pellucidum correspondingly cover residence is stated a plurality of led light sources.
9. protection type LED light fixture as claimed in claim 1 is characterized in that, in the space between described lamina septum pellucidum and the described led light source air is arranged.
10. such as each described protection type LED light fixture in the claim 1 to 9, it is characterized in that described section bar is bar shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102754117A CN103353070A (en) | 2013-07-02 | 2013-07-02 | Protection-type LED lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102754117A CN103353070A (en) | 2013-07-02 | 2013-07-02 | Protection-type LED lamp |
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| CN103353070A true CN103353070A (en) | 2013-10-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013102754117A Pending CN103353070A (en) | 2013-07-02 | 2013-07-02 | Protection-type LED lamp |
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Patent Citations (13)
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| CN200993318Y (en) * | 2007-01-16 | 2007-12-19 | 南京汉德森科技股份有限公司 | High power LED light source mining cap lamp |
| CN201093363Y (en) * | 2007-09-07 | 2008-07-30 | 兰侠 | Stepping LED display screen |
| KR20090003313U (en) * | 2007-10-05 | 2009-04-09 | 정승문 | Light Lamp |
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Application publication date: 20131016 |