CN103742875A - LED straight lamp made of transparent glass tube - Google Patents
LED straight lamp made of transparent glass tube Download PDFInfo
- Publication number
- CN103742875A CN103742875A CN201410016991.2A CN201410016991A CN103742875A CN 103742875 A CN103742875 A CN 103742875A CN 201410016991 A CN201410016991 A CN 201410016991A CN 103742875 A CN103742875 A CN 103742875A
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Abstract
The invention discloses an LED straight lamp made of a transparent glass tube. The LED straight lamp comprises a transparent glass tube body (20) and two lamp holders (10 and 11). Both the transparent glass tube body (20) and the lamp holders (10 and 11) meet the specifications of an ordinary straight tube fluorescent lamp, and the lamp holders (10 and 11) are respectively adhered to two ends of the transparent glass tube body (20). The LED straight lamp made of the transparent glass tube can also be made by the glass burn sealing technology of the ordinary straight tube fluorescent lamp. LED lamp filaments are directly welded to welding platforms (33) of LED supports (31) in the middle of an aluminum substrate (30). The outside of the bottom cross section of the aluminum substrate (30) is circular arc shaped with the curvature matching with that of the inner side of the cross section of the transparent glass tube body (20). Enough height is to be reserved between the welding platforms (33) and the aluminum substrate (30) so that light emitted from the LED lamp filaments is orthogonal to the inner wall of the transparent glass tube body (20), light consumption brought by multiple reflections is reduced, and the beam angle of the LED straight lamp made of the transparent glass tube can reach more than 300 degrees.
Description
Technical field
The present invention relates to lighting technical field, relate in particular to the technology of transparent glass tube LED straight lamp.
Background technology
Nearly all LED light source and light fixture are all used for substituting existing other various light sources and light fixtures up to now, and LED straight lamp is used for substituting various straight tube fluorescent lamps.The LED straight lamp of prior art, adopts a semicircular aluminum pipe as the main components of this LED straight lamp mostly, has both been used for dispelling the heat, and is also used for installing aluminium base and the drive circuit that is welded with LED.Many low power patch-type LED are mounted on aluminium base thick and fast, and drive circuit is generally all filled in semicircular aluminum pipe.Because the sectional area of aluminum pipe is very little, limited the development of drive circuit, the creep age distance that will make distance between aluminum pipe that all electrical bodies can touch to staff be greater than regulation in so little cross section is almost impossible, only have the problem that adopts double insulated way to solve dielectric strength, this has increased again cost greatly.The light efficiency of small-power patch-type LED is not high, and beam angle is not more than 120 °, and that straight tube fluorescent lamp is surrounding is luminous, and its beam angle is 360 °.
For addressing the above problem, occurred on the market adopting the LED straight lamp of the clear glass pipe manufacturer of insulation, thereby solved the problem of dielectric strength.The LED straight lamp of this transparent glass tube has still adopted many low power patch-type LED to be mounted on thick and fast on aluminium base, and aluminium base is directly glued on glass tube inwall, and it is very harsh that radiating condition becomes, and reduced light efficiency, shortened the service life of lamp.Because aluminium base is directly glued on glass tube inwall, LED is away from the center of glass tube, and its light sending by multiple reflections, has increased the loss of light at glass tube inwall.
The present invention is adopting transparent glass tube to make on the basis of LED straight lamp, for addressing the above problem the design that has provided a kind of innovation.
Summary of the invention
Object of the present invention is intended to design a kind of transparent glass tube LED straight lamp of innovation, the problem existing to solve above-mentioned LED straight lamp.
Transparent glass tube LED straight lamp of the present invention has adopted a kind of LED of new technology.It is substrate that this LED adopts all-transparent material, beam angle approaches or over 300 °, broken through the restriction of heat radiation volume, reduced the requirement to heat radiation, there are on the market two kinds of this new technology LED that are referred to as LED filament can supply to select, be a cylindrical elongate bar LED filament, another kind is the flat LED filament of rectangle, two kinds, the flat LED filament of rectangle that the flat LED filament of rectangle divides again single-ended power supply and the flat LED filament of rectangle of both end power supplying.
Transparent glass tube LED straight lamp of the present invention comprises a transparent glass tube that meets normal straight tube fluorescent lamp specification, two lamp holders that meet normal straight tube fluorescent lamp specification are bonded in respectively two of transparent glass tube, each lamp holder comprises the copper pin group that two copper pins form, for the sake of security, the necessary single-ended power supply of LED straight lamp, one of them lamp holder is connected with the input of drive circuit, another lamp holder and whole transparent glass tube LED straight lamp being connected without any electricity.The flat LED filament of rectangle or cylindrical elongate bar LED filament are directly welded on the jig of the LED support in the middle of aluminium base, with heat conductive silica gel, aluminium base are glued on the inwall of transparent glass tube.On the end face of lamp holder inside, there is the thin slice of a protruding arc, this arc thin slice and lamp holder inwall form the dead slot of an arc, the width of groove should be slightly larger than the wall thickness of transparent glass tube, the summation of the thickness of aluminium base and the bonding thickness with thermal conductive silicon glue-line, transparent glass tube and aluminium base can successfully be inserted in this deep-slotted chip breaker, lamp holder, transparent glass tube and aluminium base can be bonded together securely.
Transparent glass tube LED straight lamp of the present invention can adopt equally the glass of normal straight tube fluorescent lamp to burn encapsulation technique and make, the aluminium base that is welded with the flat LED filament of rectangle or cylindrical elongate bar LED filament is bonded in to the inwall of transparent glass tube with heat conductive silica gel, two glass stems burn respectively the two ends that are enclosed in transparent glass tube, make the inner chamber of transparent glass tube become the space of a sealing, the air exhaust rod of one end stem stem is first burnt and shut, air exhaust rod by other end stem stem pumps the air in the transparent glass tube of sealing, then be filled with appropriate inert gas, again this air exhaust rod is also burnt and shut.The stem stem of one end has two seal wires to penetrate, and the input of the inner of seal wire and LED assembly welds together, and the outer end of seal wire and the output of drive circuit weld together, and the stem stem of the other end does not have seal wire to penetrate.Two lamp holders that meet normal straight tube fluorescent lamp specification, be bonded in respectively two of the transparent glass tube having sealed, each lamp holder comprises the copper pin group that two copper pins form, one of them lamp holder is connected with the input of drive circuit, another lamp holder with whole clear glass pail LED straight lamp without any electric being connected.
Aluminium base of the present invention is design like this, and the cross section outside of strip aluminium base bottom is circular arc, and the curvature of its curvature and transparent glass tube cross section inner side matches, and guarantee aluminium base and clear glass inside pipe wall fit tightly like this.Long axis direction along aluminium base is gone out the LED support of many projections in the bottom center of aluminium base by stamping method, the support oblong aperture major axis of each LED support parallels with the major axis of aluminium base, the angle of LED support and aluminium base should be greater than 0 ° and be less than 180 °, the top of LED support is bent into a jig parallel with aluminium base bottom surface, LED filament is just welded on jig, jig should have enough height apart from aluminium base bottom surface, weldering LED filament is thereon positioned near the central axis of transparent glass tube, the light and the clear glass inside pipe wall quadrature that allow as far as possible LED filament send, the light loss that minimizing brings due to multiple reflections, the beam angle of such transparent glass tube LED straight lamp can approach or be greater than 300 °.The width of aluminium base bottom should be determined according to adhesive strength and circuit arrangement mode.According to the mode of LED filament configuration, on aluminium base, the support oblong aperture major axis of LED support also can be perpendicular with the major axis of aluminium base, when LED filament is cylindrical elongate bar LED filament, the top of LED support can not be bent into and connect platform, and cylindrical elongate bar LED filament is directly welded on the side of LED support.When LED filament is the flat LED filament of rectangle of both end power supplying or cylindrical elongate bar LED filament, the pad at LED filament two ends or pin should be welded on respectively on the jig of two adjacent LEDs support.
Accompanying drawing explanation
The schematic diagram of Fig. 1 transparent glass tube LED straight lamp.
Fig. 2 burns the schematic diagram of the transparent glass tube LED straight lamp of envelope with glass stem.
Fig. 3 both end power supplying LED filament is welded on the structural representation on aluminium base.
The aluminium base schematic diagram that the support oblong aperture major axis of Fig. 4 LED support parallels with aluminium base major axis.
The aluminium base schematic diagram that the support oblong aperture major axis of Fig. 5 LED support and aluminium base major axis are perpendicular.
The specific embodiment
In conjunction with above-mentioned accompanying drawing explanation specific embodiments of the invention.
Transparent glass tube LED straight lamp of the present invention has adopted a kind of LED of new technology.It is substrate that this LED adopts all-transparent material, beam angle approaches or is greater than 300 °, broken through the restriction of heat radiation volume, reduced the requirement to heat radiation, have on the market two kinds of this new technology LED that are referred to as LED filament can supply to select, a kind of is cylindrical elongate bar LED filament 80, as shown in Fig. 3 (d), 81 for being wrapped in the suprabasil illuminator of all-transparent material, and 82,83 are respectively pin; Another kind is the flat LED filament of rectangle, the flat LED filament of rectangle has two kinds, a kind of is the flat LED filament 40 of rectangle of single-ended power supply, as shown in Fig. 1 (e), 43 is all-transparent material substrate, 41,42 for covering the illuminator of all-transparent material substrate 43 both sides, and 44 is pair of electrodes; Another kind is the flat LED filament 70 of the rectangle of both end power supplying, and as shown in Fig. 3 (b), 73 is the substrate of all-transparent material, and 71,72 for covering the illuminator of all-transparent material substrate 73 both sides, and 74,75 are respectively two electrodes.Illuminator described here includes leading-out piece, fluorescent material and colloid of LED chip, the PN utmost point etc.
As shown in Figure 1, clear glass pail LED straight lamp of the present invention comprises a transparent glass tube 20 that meets normal straight tube fluorescent lamp specification, two lamp holders 10 and 11 that meet normal straight tube fluorescent lamp specification, with binding agent 21, be bonded in respectively two of transparent glass tube 20, each lamp holder 10 or 11 comprises the copper pin group 12 and 13 that two copper pins form, for the sake of security, the necessary single-ended power supply of LED straight lamp, the copper pin group 12 of one of them lamp holder 11 is connected with the input of drive circuit 50, the copper pin group 13 of another lamp holder 10 with whole transparent glass tube LED straight lamp without any electric being connected.The flat LED filament 40 of rectangle is directly welded on the jig 33 of the LED support 31 in the middle of aluminium base 30, with heat conductive silica gel 32, aluminium base 30 is bonded on the inwall of transparent glass tube 20.The thin slice 14 that has a protruding arc on the end face of lamp holder 10,11 inside, this arc thin slice 14 and lamp holder 10,11 inwalls form the dead slot 15 of an arc, the width of dead slot 15 should be slightly larger than the wall thickness of transparent glass tube 20, the summation of the thickness of aluminium base 30 and the bonding thickness with thermal conductive silicon glue-line 32, transparent glass tube 20 and aluminium base 30 can successfully be inserted in this deep-slotted chip breaker 15, make lamp holder 10,11 and transparent glass tube 20 also have aluminium base 30 to bond together together in jail.
As shown in Figure 2, transparent glass tube LED straight lamp of the present invention can adopt equally the glass of normal straight tube fluorescent lamp to burn encapsulation technique and make, to be welded with the flat LED filament 40 of rectangle, 70 or the aluminium base 30 use heat conductive silica gels 32 of cylindrical elongate bar LED filament 80 be bonded in the inwall of transparent glass tube 20, two glass stems 60, 90 burn respectively the two that is enclosed in transparent glass tube 20, make the inner chamber of transparent glass tube 20 become the space of a sealing, the air exhaust rod of one end stem stem 90 91 is first burnt and shut, air exhaust rod 61 by other end stem stem 60 pumps the air in the transparent glass tube of sealing 20, then be filled with appropriate inert gas, again this air exhaust rod 61 is also burnt and shut.The stem stem 60 of one end has two seal wires 62 and 63 to penetrate, seal wire 62 and the inner of 63 weld together with the input of the LED assembly being comprised of LED filament 40, seal wire 62 and 63 outer end and the output of drive circuit 50 weld together, and the stem stem 90 of the other end does not have seal wire to penetrate.Two lamp holders 10 and 11 that meet normal straight tube fluorescent lamp specification, with binding agent 21, be bonded in respectively two of the transparent glass tube 20 of sealing, each lamp holder 10 or 11 comprises the copper pin group 12 and 13 being comprised of two copper pins, the copper pin group 12 of one of them lamp holder 11 is connected with the input of drive circuit 50, another lamp holder 10 with whole transparent glass tube LED straight lamp without any electric being connected.
As shown in Figure 4 and Figure 5, aluminium base 30 of the present invention is designs like this, the cross section outside of strip aluminium base 30 bottoms is circular arc, and the curvature of its curvature and transparent glass tube 20 cross section inner sides matches, and guarantee aluminium base 30 and transparent glass tube 20 inwalls fit tightly like this.Along the method that long axis direction 34 use of aluminium base 30 are stamping, in the bottom center of aluminium base 30, go out the LED support 31 of many projections, the major axis 35 of the support oblong aperture 36 of each LED support 31 is parallel with the major axis 34 of aluminium base 30, the angle theta of LED support 31 and aluminium base 30 bottom surfaces should be greater than 0 ° and be less than 180 °, the top of LED support 31 is bent into a jig 33 parallel with aluminium base 30 bottom surfaces, LED filament 40, 70 or 80 are just welded on jig 33, jig 33 should have enough height apart from aluminium base 30 bottom surfaces, make weldering LED filament 40 thereon, 70 or 80 are positioned near the central axis of transparent glass tube 20, allow as far as possible LED filament 40, 70 or 80 light that send and transparent glass tube 20 inwall quadratures, the light loss that minimizing brings due to multiple reflections, the beam angle of such transparent glass tube LED straight lamp can reach more than 300 °.The width of aluminium base 30 bottoms should be determined according to adhesive strength and circuit arrangement mode.According to the mode of LED filament 40,70 or 80 configurations, on aluminium base 30, the major axis 35 of the support oblong aperture 36 of LED support 31 also can be perpendicular with the major axis 34 of aluminium base 30, when LED filament is cylindrical elongate bar LED filament 80, the top of LED support 31 can not be bent into jig.
As shown in Figure 3, when LED filament is the flat LED filament 70 of rectangle of both end power supplying or cylindrical elongate bar LED filament 80, the electrode 74 at the flat LED filament of rectangle 70 two ends of both end power supplying and 75 or the pin 82 and 83 at cylindrical elongate bar LED filament 80 two ends should be welded on respectively on the jig 33 of two adjacent LEDs support 31.
Above content is in conjunction with concrete preferred embodiment further description made for the present invention, can not assert that specific embodiment of the invention is confined to these explanations.For general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, can also make some simple deductions or substitute, all should be considered as belonging to protection scope of the present invention.
Claims (6)
1. transparent glass tube LED straight lamp of the present invention, comprise a transparent glass tube that meets normal straight tube fluorescent lamp specification, two lamp holders that meet normal straight tube fluorescent lamp specification are bonded in respectively two of transparent glass tube, the aluminium base that is welded with LED filament is bonded in the inwall of transparent glass tube, it is characterized in that: strip aluminium base cross section outside is circular arc, the curvature of its curvature and transparent glass tube cross section inner side matches, strip aluminium base central authorities stamp out the LED support of many projections, the top of LED support is bent into LED jig, LED filament is welded on jig, LED filament is positioned near clear glass pail central axis.
2. transparent glass tube LED straight lamp according to claim 1, it is characterized in that: adopted and take the flat LED filament of rectangle of the single-ended power supply that all-transparent material is substrate, the cylindrical elongate bar LED filament that the flat LED filament of rectangle of the both end power supplying that the all-transparent material of take is substrate or the all-transparent material of take are substrate.
3. transparent glass tube LED straight lamp according to claim 1, is characterized in that: envelope is burnt with glass stem in the two ends of clear glass pail, makes to form in transparent glass tube the space of a sealing, pumps the air of the inside, is filled with appropriate inert gas.
4. transparent glass tube LED straight lamp according to claim 1, is characterized in that: the support oblong aperture major axis of the LED support of aluminium base projection parallels with the major axis of aluminium base.
5. transparent glass tube LED straight lamp according to claim 1, is characterized in that: the support oblong aperture major axis of the LED support of aluminium base projection and the major axis of aluminium base are perpendicular.
6. transparent glass tube LED straight lamp according to claim 1, is characterized in that: transparent glass tube LED straight lamp is single-ended power supply, the one end not powering with transparent glass tube LED straight lamp without any electric being connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410016991.2A CN103742875A (en) | 2014-01-03 | 2014-01-03 | LED straight lamp made of transparent glass tube |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410016991.2A CN103742875A (en) | 2014-01-03 | 2014-01-03 | LED straight lamp made of transparent glass tube |
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| CN103742875A true CN103742875A (en) | 2014-04-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410016991.2A Pending CN103742875A (en) | 2014-01-03 | 2014-01-03 | LED straight lamp made of transparent glass tube |
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| C53 | Correction of patent for invention or patent application | ||
| CB02 | Change of applicant information |
Address after: Zhang Jian Xi Lu, Dafeng Industrial Park, Dafeng City, Jiangsu province 224100 Changzhou high tech Zone No. 121 Jiangsu Light Industry Co., Ltd. Forbes Applicant after: Kuang Zhengfang Address before: 223700, Jiangsu C5 Light Industry Co., Ltd., Siyang Road, No. 36, Shenzhen Road, East Industrial District, Suqian, Jiangsu Applicant before: Kuang Zhengfang |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140423 |
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| WD01 | Invention patent application deemed withdrawn after publication |