CN102777838B - Universal LED bulb formation method and liquid fluorescent LED bulb - Google Patents

Universal LED bulb formation method and liquid fluorescent LED bulb Download PDF

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Publication number
CN102777838B
CN102777838B CN201210253588.2A CN201210253588A CN102777838B CN 102777838 B CN102777838 B CN 102777838B CN 201210253588 A CN201210253588 A CN 201210253588A CN 102777838 B CN102777838 B CN 102777838B
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bulb
led
led bulb
inner cover
heat conduction
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CN102777838A (en
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张继强
张哲源
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Guizhou Guangpusen Photoelectric Co Ltd
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Guizhou Guangpusen Photoelectric Co Ltd
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Abstract

The invention discloses a universal LED bulb formation method and a liquid fluorescent LED bulb. A silver paste printed circuit is embedded onto a heat conducting support with radiating fins, the heat conducting support is formed by sintering nonmetal heat conducting materials, and then an LED chip or a driving chip and the LED chip are welded on the silver paste printed circuit to form the LED bulb. A bulb inner cover is fixed onto the heat conducting support by the aid of an embedding groove, the LED chip and the driving chip are wrapped in the bulb inner cover internally containing transparent insulating heat conducting liquid, fluorescent materials are arranged in the transparent insulating heat conducting liquid, the LED chip is not packaged by silicone, and a flange structure for mounting is further sintered on the heat conducting support. The bulb formed by the method can independently work, the LED bulb, a lamp and a lighting control product can be respectively independent in production and use, production links of LED lighting products are greatly decreased, batch production is improved, and industrialization of the energy-saving LED lighting products is facilitated.

Description

The LED bulb of a kind of Universal LED bulb constructive method and liquid fluorescence
Technical field
the LED bulb that the present invention relates to a kind of Universal LED bulb constructive method and liquid fluorescence, belongs to LED lighting technical field.
Background technology
semiconductor lighting is as lighting engineering of new generation, have that photoelectric conversion rate is high, light source direction is easily controlled, the period and mode is easily controlled, color rendering properties of light source is high, have the five incomparable large power savings advantages of other existing lighting engineering such as higher power factor under appropriate design of throwing light on, be subject to the favor of global investor and vigorously supporting of national governments.The luminous efficiency of current LED illuminating lamp can exceed 70LM/W mostly, has more power savings advantages than traditional electricity-saving lamp.Green light LED luminous efficiency can be up to 683LM/W in theory; The theoretical efficiency of white light LEDs also can reach 182.45LM/W, and the space that therefore LED illumination efficiency promotes is huge.
in existing high-power LED illumination product design, particularly high-powered LED lamp, due to the reason of heat radiation, when a high-powered LED lamp of assembly, adopt LED optical mode group, driving power and the design of light fixture three in oneization, be that the parts such as LED optical mode group, driving power and light fixture must form a complete production network, formed the situation of so-called " LED has lamp without bulb ".This has brought a series of fatal problems such as manufacturing cost is high, use inconvenience, maintenance difficult for LED illuminating product.First manufacture the upper unified standardization that cannot realize the whole nation and even the whole world and produce, cause product specification many, batch lack, price is high; Next is that the product of each family is of all kinds, not general mutually, more can not exchange; The 3rd need to take off maintenance by overall assemblies such as LED optical mode group, driving power, light fixtures while being product bug, and maintenance is inconvenience very, is very easy to form the defects such as fault extension and maintenance delay, maintenance cost is high.These defects have greatly restricted promoting the use of of LED illumination, are the hard defects during LED illuminating product is promoted.
Summary of the invention
the object of the invention is to, the LED bulb of a kind of Universal LED bulb constructive method and liquid fluorescence is provided.The bulb that the inventive method forms can work independently, it is independent separately on producing and on using to have realized LED bulb, light fixture and illumination control product, makes LED illuminating product reduce significantly production link, improves production lot, is conducive to the industrialization of LED energy-saving illumination product.
technical scheme of the present invention: Universal LED bulb constructive method, be characterized in: by chimeric silver slurry printed circuit on a flange-cooled heat conduction support by nonmetallic heat conductive material (can adopt aluminium oxide, aluminium nitride, boron nitride etc.) sinter molding, then on silver slurry printed circuit, weld LED chip or be also welded with driving chip, form LED bulb.On described heat conduction support, by the fixing bulb inner cover of mode of caulking groove is set, LED chip and driving chip are coated in bulb inner cover.In described bulb inner cover, accommodate transparent insulation conductive fluid, in transparent insulation conductive fluid, be provided with fluorescent material, not packaging silicon rubber of described LED chip; On heat conduction support, go back the flange arrangement that sintering is useful on installation.In this structure in the time of LED heating power, transparent insulation conductive fluid flows because being heated and has taken away the heating of chip, make heat on larger area with radiator exchange, avoided traditional scheme LED chip and the high heat in part of fluorescent material around, effectively reduced the generation of LED light decay.
in aforesaid Universal LED bulb constructive method, the bulb outer diameter D of described LED bulb (being the flange diameter of heat conduction support) becomes W=1.1812e with the LED bulb power W forming 0.0361D relation, at W=1.1812e 0.0361D relation curve on D get discrete numerical value and build the LED bulb of multiple fixing bulb outer diameter D sizes, to improve interchangeability and the versatility of LED bulb.Get the discrete values on this curve, can make, in the time realizing higher interchangeability and versatility, to reduce the size number of choosing.
in aforesaid Universal LED bulb constructive method, described bulb outer diameter D, at W=1.1812e 0.0361D relation curve on, D is taking 20mm as lower limit, taking 130mm as the upper limit, every 10 millimeters is 1 section, is divided into 12 sections and forms limited amount bulb external diameter specifications, further improves interchangeability and the versatility of LED bulb by a small amount of bulb external diameter specification; On described flanged (FLGD) heat conduction support, have 6 flange fixing holes to be distributed on diameter D1 upper, diameter D1 is the boundary values of staying that bulb outer diameter D subtracts hold-down screw nut diameter and deduct 0.8 ~ 4mm; Described LED bulb installation interface opening diameter D2 on light fixture is the double boundary values of staying that bulb outer diameter D subtracts double hold-down screw nut diameter and deduct corresponding D1; The installation interface of described LED bulb comprises on light fixture contact-making surface and the connecting hole with LED bulb.
in aforesaid Universal LED bulb constructive method, described bulb inner cover is the spill inner cover that elastomeric material is made, and spill inner cover is concave inward structure.In the time of transparent insulation conductive fluid expanded by heating, the spill inner cover of indent is outwards outstanding, and the volume of enlarging volume acceptable solution volume expansion, avoids expansion of liquids to make inner cover seal failure.
in aforesaid Universal LED bulb constructive method, on described heat conduction support, caulking groove is set, outer bulb envelope directly embeds caulking groove by bonding.
in aforesaid Universal LED bulb constructive method, on described heat conduction support, caulking groove is set, uses lens snap ring to block lens and by bonding, lens snap ring embedded to caulking groove.
in aforesaid Universal LED bulb constructive method, on described heat conduction support, connect and fixed band Waterproof connector of cable by cable fixing head.
the LED bulb of realizing the liquid fluorescence of preceding method, is characterized in: comprise flange-cooled heat conduction support, chimeric on heat conduction support have silver to starch printed circuit, on silver slurry printed circuit, is welded with LED chip or is also welded with driving chip; Described heat conduction support is provided with caulking groove, on caulking groove, embeds and is fixed with bulb inner cover, and bulb inner cover covers LED chip and drives chip, and bulb inner cover accommodates transparent insulation conductive fluid; Not packaging silicon rubber of described LED chip, described LED chip is immersed in transparent insulation conductive fluid; The edge of described heat conduction support is mounting flange structure.
in the LED bulb of aforesaid liquid fluorescence, described bulb inner cover is spill inner cover, the elasticity inner cover that spill inner cover is slim concave inward structure.
in the LED bulb of aforesaid liquid fluorescence, on described heat conduction support, caulking groove is set, outer bulb envelope directly embeds caulking groove by bonding.
in the LED bulb of aforesaid liquid fluorescence, on described heat conduction support, caulking groove is set, caulking groove is embedded in bonding and is provided with lens snap ring, and on lens snap ring, card has lens.
in the LED bulb of aforesaid liquid fluorescence, on described heat conduction support, connect and fixed band Waterproof connector of cable by cable fixing head.
compared with prior art, the present invention goes out flange-cooled heat conduction support by nonmetallic heat conductive material direct sintering, and directly LED silver slurry printed circuit is entrenched in heat conduction support, make the LED bulb structure of formation simpler compact, and the heat radiation of LED is faster.Add the setting of heat conduction support upper embedded groove, be convenient to the installation of lampshade, water resistance is good.And the mounting structure of bulb can direct sintering on heat conduction support.Utilize the LED bulb establishment light fixture of liquid fluorescence of the present invention simple, flexible and changeable, allow like this bulb, light fixture and the illumination control Realization of Product of LED lamp independent separately on producing and on using, make LED illuminating product reduce significantly production link, improve production lot, be conducive to the industrialization of LED energy-saving illumination product.
Brief description of the drawings
fig. 1 is the schematic appearance of embodiment of the present invention lens arrangement;
fig. 2 is the schematic appearance of embodiment of the present invention outer bulb envelope scheme;
fig. 3 is the structural representation of embodiment of the present invention lens arrangement;
fig. 4 is the structural representation of embodiment of the present invention outer bulb envelope scheme;
fig. 5 is the structural representation of the heat conduction support of band spill inner cover of the present invention;
fig. 6 is the sectional view of spill inner cover of the present invention;
fig. 7 is the structural representation of embodiment of the present invention Down lamp;
fig. 8 is the structural representation of embodiment of the present invention lamp affixed to the ceiling;
fig. 9 is embodiment of the present invention bulb sizes schematic diagram.
mark in accompanying drawing: 3-heat conduction support, 4-silver slurry printed circuit, 6-bulb inner cover, 7-lens, 8-lens snap ring, 9-outer bulb envelope, the outer bulb envelope of 91-with mounting flange, 10A-tape cable water joint, 11A-cable fixing head, 18-caulking groove, 101-lamp housing, 102-LED bulb of the present invention, 103-lamp affixed to the ceiling top board, 105-bulb hold-down screw.
Detailed description of the invention
below in conjunction with drawings and Examples, the present invention is further illustrated, but not as the foundation to the present invention's restriction.
embodiment.A kind of Universal LED bulb constructive method, by chimeric silver slurry printed circuit on a flange-cooled heat conduction support by nonmetallic heat conductive material sinter molding, then on silver slurry printed circuit, weld LED chip (or comprising other associated drives chip component), form LED bulb.On described heat conduction support, by the fixing bulb inner cover of mode of caulking groove is set, LED chip and driving chip are coated in bulb inner cover.Described heat conduction support also arranges the fixing outer bulb envelope of mode or the lens of caulking groove, goes back sintering and be useful on the flange arrangement of installation on heat conduction support; Described bulb inner cover is the spill inner cover that elastomeric material is made, and spill inner cover is concave inward structure, and the inside accommodates transparent insulation conductive fluid, in transparent insulation conductive fluid, is provided with fluorescent material, not packaging silicon rubber of described LED chip.On described heat conduction support, caulking groove is set, outer bulb envelope directly embeds caulking groove by bonding, or uses lens snap ring to block lens and by bonding, lens snap ring embedded to caulking groove.On described heat conduction support, connect and fixed band Waterproof connector of cable by cable fixing head.
the LED bulb of the liquid fluorescence of method in realization, as shown in Figure 3, comprise flange-cooled heat conduction support 3, chimeric on heat conduction support 3 have silver to starch printed circuit 4, on silver slurry printed circuit 4, be welded with LED chip and associated drives chip, tape cable water joint 10A is fixed on heat conduction support 3 by cable fixing head 11A.Described heat conduction support 3 is provided with caulking groove 18, on caulking groove 18, embeds and is fixed with bulb inner cover 6, and bulb inner cover 6 covers LED chip and drives chip, and bulb inner cover accommodates transparent insulation conductive fluid, as shown in Figure 6.LED chip is immersed in transparent insulation conductive fluid, in transparent insulation conductive fluid, is provided with fluorescent material.The edge of described heat conduction support 3 is mounting flange structure, is fixed by bulb hold-down screw 105, and the outer caulking groove 18 that is also provided with of bulb inner cover 6, caulking groove 18 is embedded in and is fixed with outer bulb envelope 9 or lens snap ring 8 adds lens 7.On described heat conduction support 3, caulking groove 18 is set, outer bulb envelope 9 directly embeds caulking groove 18 by bonding, as shown in Figure 4, or uses lens snap ring 8 to block lens 7 and by bonding, lens snap ring 8 is embedded to caulking groove 18, as shown in Figure 3.Not packaging silicon rubber of described LED chip, the bulb inner cover 6 use spill inner covers 61 that transparent insulation conductive fluid is equipped with in the outer setting of described LED chip replace, as shown in Figure 5, LED chip is immersed in transparent insulation conductive fluid, in transparent insulation conductive fluid, be provided with fluorescent material, the elasticity inner cover that described spill inner cover 61 is slim concave inward structure, as shown in Figure 6.
only the LED bulb of liquid fluorescence of the present invention need be fixed on the installation interface of light fixture and can set up light fixture.As shown in FIG. 7 and 8, pack the LED bulb of liquid fluorescence into can complete Down lamp on the Down lamp lamp housing 101 with installation interface establishment; And pack the LED bulb of liquid fluorescence into lamp affixed to the ceiling top board 103 with installation interface, then cover the establishment that can realize lamp affixed to the ceiling with lamp affixed to the ceiling lamp housing 101.
bulb outer diameter D becomes W=1.1812e with the LED bulb power W upper limit of formation 0.0361D relation, at W=1.1812e 0.0361D relation curve on D get discrete numerical value and build the LED bulb of multiple fixing bulb outer diameter D sizes, to improve interchangeability and the versatility of LED bulb.At W=1.1812e 0.0361D relation curve on, D is taking 20mm as lower limit, taking 130mm as the upper limit, every 10 millimeters is 1 section, is divided into 12 sections and forms limited amount bulb external diameter specifications, further improves interchangeability and the versatility of LED bulb by a small amount of bulb external diameter specification.Screw that fixing bulb is used distributes, and to be subject to the impact of used screw size, diameter D1 be the boundary values of staying that bulb outer diameter D subtracts hold-down screw nut diameter and deduct 0.8 ~ 4mm for circle D1 and lamp installation interface opening diameter D2; Installation interface opening diameter D2 is the double boundary values of staying that bulb outer diameter D subtracts double hold-down screw nut diameter and deduct corresponding D1; Bulb wire hole distance L according to the form below value.Bulb sizes outer diameter D in Fig. 1, Fig. 2, flange screw pore size distribution circular diameter D1, fin outer diameter D 3 manufacture in accordance with regulations, relative dimensions is determined by Fig. 9 and following table:

Claims (7)

1. a Universal LED bulb constructive method, it is characterized in that: by chimeric silver slurry printed circuit on a flange-cooled heat conduction support by nonmetallic heat conductive material sinter molding, then on silver slurry printed circuit, weld LED chip and drive chip, form LED bulb; On described heat conduction support, by the fixing bulb inner cover of mode of the first caulking groove is set, LED chip and driving chip are coated in bulb inner cover; In described bulb inner cover, accommodate transparent insulation conductive fluid, in transparent insulation conductive fluid, be provided with fluorescent material, not packaging silicon rubber of described LED chip; On heat conduction support, go back the flange arrangement that sintering is useful on installation; The bulb outer diameter D of described LED bulb becomes W=1.1812e with the LED bulb power W of formation 0.0361Drelation, at W=1.1812e 0.0361Drelation curve on D get discrete numerical value and build the LED bulb of multiple fixing bulb outer diameter D sizes, to improve interchangeability and the versatility of LED bulb.
2. Universal LED bulb constructive method according to claim 1, is characterized in that: described bulb outer diameter D, and at W=1.1812e 0.0361Drelation curve on, D is taking 20mm as lower limit, taking 130mm as the upper limit, every 10 millimeters is 1 section, be divided into 12 sections form limited amount bulb external diameter specifications; On described heat conduction support, have 6 flange fixing holes to be distributed on diameter D1 upper, diameter D1 is the boundary values of staying that bulb outer diameter D subtracts hold-down screw nut diameter and deduct 0.8~4mm; Described LED bulb installation interface opening diameter D2 on light fixture is the double boundary values of staying that bulb outer diameter D subtracts double hold-down screw nut diameter and deduct corresponding D1; The installation interface of described LED bulb comprises on light fixture contact-making surface and the connecting hole with LED bulb.
3. Universal LED bulb constructive method according to claim 1, is characterized in that: described bulb inner cover is the spill inner cover that elastomeric material is made, and spill inner cover is concave inward structure.
4. Universal LED bulb constructive method according to claim 1, is characterized in that: on described heat conduction support, the second caulking groove is set, outer bulb envelope directly embeds the second caulking groove by bonding.
5. Universal LED bulb constructive method according to claim 1, is characterized in that: the 3rd caulking groove is set on described heat conduction support, uses lens snap ring to block lens and by bonding, lens snap ring embedded to the 3rd caulking groove.
6. Universal LED bulb constructive method according to claim 1, is characterized in that: on described heat conduction support, connect and fixed band Waterproof connector of cable by cable fixing head.
7. a LED bulb for liquid fluorescence, is characterized in that: the LED bulb of described liquid fluorescence is set up according to method described in the arbitrary claim of claim 1 to 6.
CN201210253588.2A 2012-07-23 2012-07-23 Universal LED bulb formation method and liquid fluorescent LED bulb Active CN102777838B (en)

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CN103742817A (en) * 2014-01-28 2014-04-23 施中天 Quick-mounting heat pipe LED (light-emitting diode) luminaire
CN104613350B (en) * 2015-02-12 2018-02-16 清华大学 Illumination of high-power semiconductor light source
JP6020631B2 (en) * 2015-03-20 2016-11-02 ウシオ電機株式会社 Fluorescent light source device

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Address after: 562400 Xingyi Qingshui River Economic Development Zone, Guizhou, Guizhou, Qingshui River new building materials circular economy industrial park

Patentee after: Guizhou Guangpusen Photoelectric Co., Ltd.

Address before: 550002 Guizhou Province, Guiyang city Nanming District South City Hongtai family 28D

Patentee before: Guizhou Guangpusen Photoelectric Co., Ltd.