CN102913798A - LED lamp tube emitting light at high angle - Google Patents
LED lamp tube emitting light at high angle Download PDFInfo
- Publication number
- CN102913798A CN102913798A CN2012104354773A CN201210435477A CN102913798A CN 102913798 A CN102913798 A CN 102913798A CN 2012104354773 A CN2012104354773 A CN 2012104354773A CN 201210435477 A CN201210435477 A CN 201210435477A CN 102913798 A CN102913798 A CN 102913798A
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- CN
- China
- Prior art keywords
- angle
- pcb
- aluminium alloy
- alloy extrusions
- fluorescent tube
- 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.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
- F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
- F21K9/20—Light sources comprising attachment means
- F21K9/27—Retrofit light sources for lighting devices with two fittings for each light source, e.g. for substitution of fluorescent tubes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V19/00—Fastening of light sources or lamp holders
- F21V19/001—Fastening of light sources or lamp holders the light sources being semiconductors devices, e.g. LEDs
- F21V19/003—Fastening of light source holders, e.g. of circuit boards or substrates holding light sources
- F21V19/0045—Fastening of light source holders, e.g. of circuit boards or substrates holding light sources by tongue and groove connections, e.g. dovetail interlocking means fixed by sliding
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V7/00—Reflectors for light sources
- F21V7/22—Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Optics & Photonics (AREA)
- General Engineering & Computer Science (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The invention discloses an LED lamp tube emitting light at a high angle, belonging to the technical field of LED lamp tubes. The LED lamp tube mainly comprises a PC (Personal Computer) cover, end caps arranged at both ends of the PC cover, an aluminum alloy section, a PCB (Printed Circuit Board) component and a silver layer, wherein the aluminum alloy section is a hollow triangle cylinder with three surfaces, each surface is provided with a U-shaped groove with a clamp trough, and the end part of each angle is provided with a plurality of spherical concave-convex arc surfaces; the PCB component comprises an elongated PCB aluminum substrate and a plurality of LEDs fixedly connected to the surface of the PCB aluminum substrate side by side; and the silver layer is plated on the surface of the LEDs fixedly connected to the PCB aluminum substrate. The LED lamp tube has a high light emitting angle and can be used for emitting light at 360 degrees and has the advantages of high light utilization ratio, high light efficiency, simple structural process and volume production.
Description
Technical field
The present invention relates to LED fluorescent tube technical field, relate in particular to the luminous LED fluorescent tube of a kind of wide-angle.
Background technology
The LED semiconductor lighting is for the third time revolution of human lighting field, compares with conventional light source such as fluorescent lamp, incandescent lamp, and the LED illumination has luminous efficiency height, energy-conserving and environment-protective, the characteristics such as the life-span is long, safety coefficient is high, environmental protection.Be accompanied by the measure that China takes the industry development of a series of promotion semiconductor lighting, Green Lighting Project, Semiconductor Lighting have successively been started, determine the LED semiconductor lighting product development field of attaching most importance to, the LED semiconductor lighting is progressively developed into the key lighting system, therefore, LED semiconductor lighting technology obtains unprecedented reform and development.
Because the fluorescent tube light efficiency is low, energy saving is poor, and its inside has harmful substance and is unfavorable for environmental protection; Therefore, it is progressively replaced by the LED fluorescent tube.But the most single faces of the LED fluorescent tube that occurs in the market are luminous, its lighting angle and application scenario are restricted, being used for simultaneously accepting the LED illuminator all is pcb board or FPC, specially treated is not passed through on its surface, when the light that causes LED to produce reflexes on pcb board or the FPC, can't again be reflected back area of illumination, affect light efficiency.
In order to solve the problem of lighting angle, there is the inventor to propose a kind of T12LED fluorescent tube of double-side, the T12LED fluorescent tube of described double-side is that CN201210079306.1 is disclosed, the T12 LED fluorescent tube of the disclosed this double-side of CN201210079306.1 mainly comprises two lampshades, two LED assemblies and is used for the aluminum hull of heat radiation, the both sides of aluminum hull are provided with draw-in groove, described draw-in groove is used for the LED assembly is installed, and top and the bottom of aluminum hull are provided with heat radiating fin.The problem that the T12LED fluorescent tube of the disclosed this double-side of CN201210079306.1 exists is: use on the one hand two lampshades, be difficult for installing, the device process is time-consuming, and this LED fluorescent tube to have the both sides light of heat radiating fin dark, have the dark problem in bright both sides, both sides;
Summary of the invention
In order to solve the technical problem of above-mentioned existence, the invention provides luminous, the high light efficiency of a kind of wide-angle, the simple LED fluorescent tube of technique.
The technical solution adopted for the present invention to solve the technical problems is:
The LED fluorescent tube that a kind of wide-angle is luminous, mainly comprise the PC cover and be arranged at the plug that PC covers two ends, also comprise an aluminium alloy extrusions, described aluminium alloy extrusions is a kind of triangulo column with hollow of three faces, have the U-shaped groove of draw-in groove in each face design one, design the concave-convex cambered surfaces of several spherics in the end at each angle; PCB assembly, described PCB assembly comprise the PCB aluminium base of strip and arrange in its surface and be connected with a plurality of LED, also is included in described PCB aluminium base and is connected with plating one thin silver layer on the surface at LED place.
As the preferred technical solution of the present invention, described PC cover is the contour bodies of 83 degree, and alongst and in both sides is designed with fixed card for transparent or semitransparent, cross section angle.
As the preferred technical solution of the present invention, the quantity of described PCB assembly is three, is separately positioned in the U-shaped groove of three faces of described aluminium alloy extrusions.
As the preferred technical solution of the present invention, also scribble a thin thermal conductive silicon glue-line between described PCB assembly and the described aluminium alloy extrusions.
As the preferred technical solution of the present invention, the hollow structure of described aluminium alloy extrusions is the triangle cavity.
As the preferred technical solution of the present invention, the two ends of described aluminium alloy extrusions also are designed with two screws, and wherein screw design is at the back side of a U-shaped groove, and another screw design is in an angle of hollow cavity.
The LED fluorescent tube that a kind of wide-angle provided by the present invention is luminous, the beneficial effect of its generation is:
1, the triangulo column that has the hollow of three faces by design, and at the U-shaped groove of each face design, the PCB assembly is set in U-shaped groove, realize that 360 ° of wide-angles are luminous.
2, at the surface of PCB aluminium base plating one thin silver layer, the luminous energy that realization reflects back into PCB aluminium base surface reflects the purpose to area of illumination again, guarantee the maximum directive area of illumination of luminous energy that LED sends, improve the utilization rate of light, further improve luminous efficiency.
3, structural manufacturing process is simple, can produce in enormous quantities.
Description of drawings
Fig. 1 is the cross section enlarged diagram of the PCB assembly of the embodiment of the invention.
Fig. 2 is the cross section structure schematic diagram of the aluminium alloy extrusions of the embodiment of the invention.
Fig. 3 is the cross section structure schematic diagram of the embodiment of the invention.
Description of reference numerals: 10, PCB assembly, 11, LED, 12, silver layer, 13, the PCB aluminium base, 20, aluminium alloy extrusions, 21, U-shaped groove, 22, concave-convex cambered surfaces, 23, the triangle cavity, 24, screw, 30, the PC cover.
The specific embodiment
The present invention is described in more detail below in conjunction with drawings and Examples.
With reference to accompanying drawing, the invention provides the luminous LED fluorescent tube of a kind of wide-angle, mainly comprise PC cover (30), plug (not showing in the accompanying drawing), aluminium alloy extrusions (20) and PCB assembly (10).Concrete is fixed on PCB assembly (10) in the U-shaped groove of aluminium alloy extrusions (20), fixing PC cover (30) directly over PCB assembly (10) then, at last with plug by fastened by screw at PC cover (30) two ends and fix aluminium alloy extrusions (20).
In the embodiment of the invention, described PC cover (30) is that the material that is called for short Merlon is injection molded by the thermoplastic of a kind of strong insulating properties, nontoxic, highly transparent.Strong insulating properties can prevent from getting an electric shock, and guarantees safety; Nontoxic, can guarantee environmental protection, do not affect environmental pollution; Highly transparent, the brightness that can improve light.The shape and structure of described PC cover (30) is that transparent or semitransparent, cross section angle is the contour bodies of 83 degree, and alongst and in both sides be designed with fixed card, described fixed card can be fastened on aluminium alloy extrusions with described PC cover, guarantees not come off, and plays fixation.
In the embodiment of the invention, the quantity of described PCB assembly (10) is three, it comprises the PCB aluminium base (13) of strip and arranges on the surface of described PCB aluminium base (13) and be connected with a plurality of LED(11), also be included in described PCB aluminium base (13) and be connected with plating one thin silver layer (12) on the surface at LED place.Described LED(11) is fixed on the described PCB aluminium base (13) by SMT, along the length direction structure in alignment of PCB aluminium base (13); Except being used for the position of affixed LED, all the other positions on this surface are plating one thin silver layer (12) all, and described silver layer (12) is smooth smooth, again reflect to area of illumination for the luminous energy that will reflect back into the aluminium base surface, guarantee LED(11) the maximum directive area of illumination of luminous energy that sends, improve the utilization rate of light, thereby greatly improve luminous efficiency.
In the embodiment of the invention, described aluminium alloy extrusions (20) is designed to a kind of triangulo column with hollow of three faces, and the planform of described hollow is triangle cavity (23).The inside of described aluminium alloy extrusions (20) is designed to hollow delthyrial cavity body structure, is conducive to LED(11) when work the heat that produces can outwards conduct rapidly, reduce LED(11) temperature, improve service life; Hollow structure is simple in structure, attractive in appearance simultaneously.On three faces of described aluminium alloy extrusions (20), all be designed with a U-shaped groove (21) with draw-in groove, design U-shaped groove (21) and be convenient to install PCB assembly (10); And be designed with a draw-in groove in the two bottom sides at described U-shaped groove, and described draw-in groove can be fixed described PCB assembly (10), guarantees not perk of described PCB assembly (10), and integral body is on the horizontal plane, and the irradiation of generation is to area of illumination.Also be designed with the concave-convex cambered surfaces (22) of several spherics in the end at each angle.When in the U-shaped groove (21) that PCB assembly (10) is placed aluminium alloy extrusions (20), between described aluminium alloy extrusions (20) and described PCB assembly (10), be coated with first a thin thermal conductive silicon glue-line; Described thermal conductive silicon glue-line can not only play conductive force, also has fixing described PCB assembly (10) effect.
In embodiments of the present invention, the two ends of described aluminium alloy extrusions (20) also are designed with two screws (24), and wherein a screw (24) design is at the back side of a U-shaped groove, and another screw (24) designs in an angle of hollow triangle cavity.Described screw (24) plug for screw stays and aluminium alloy extrusions (20) and PC cover (30).
The invention provides the luminous LED fluorescent tube of a kind of wide-angle, by aluminium alloy extrusions (20) design being had the triangulo column of the hollow triangle cavity of three faces, and at each face U-shaped groove of design and the surface be installed be placed with LED(11) PCB aluminium base (13), realize that 360 ° of wide-angles are luminous.Plated surface one thin silver layer (12) at PCB aluminium base (13), the luminous energy that realization reflects back into PCB aluminium base (13) surface reflects the purpose to area of illumination again, guarantee LED(11) the maximum directive area of illumination of luminous energy that sends, improve the utilization rate of light, further improve luminous efficiency.
The above embodiment has only expressed embodiments of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as limitation of the scope of the invention.Should be pointed out that for the person of ordinary skill of the art without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.
Claims (6)
1. the LED fluorescent tube that wide-angle is luminous mainly comprises the PC cover and is arranged at the plug that PC covers two ends, it is characterized in that: also comprise
One aluminium alloy extrusions, described aluminium alloy extrusions are a kind of triangulo columns with hollow of three faces, have the U-shaped groove of draw-in groove in each face design one, design the concave-convex cambered surfaces of several spherics in the end at each angle;
PCB assembly, described PCB assembly comprise the PCB aluminium base of strip and arrange in its surface and be connected with a plurality of LED, also is included in described PCB aluminium base and is connected with plating one thin silver layer on the surface at LED place.
2. the luminous LED fluorescent tube of described wide-angle according to claim 1 is characterized in that: described PC cover is the contour bodies of 83 degree, and alongst and in both sides is designed with fixed card for transparent or semitransparent, cross section angle.
3. the luminous LED fluorescent tube of described wide-angle according to claim 1, it is characterized in that: the quantity of described PCB assembly is three, is separately positioned in the U-shaped groove of three faces of described aluminium alloy extrusions.
4. it is characterized in that: also scribble a thin thermal conductive silicon glue-line between described PCB assembly and the described aluminium alloy extrusions according to claim 1 or the luminous LED fluorescent tube of 3 described wide-angles.
5. the luminous LED fluorescent tube of described wide-angle according to claim 1, it is characterized in that: the hollow structure of described aluminium alloy extrusions is the triangle cavity.
6. the luminous LED fluorescent tube of described wide-angle according to claim 1, it is characterized in that: the two ends of described aluminium alloy extrusions also are designed with two screws, and wherein screw design is at the back side of a U-shaped groove, and another screw design is in an angle of hollow cavity.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104354773A CN102913798A (en) | 2012-11-05 | 2012-11-05 | LED lamp tube emitting light at high angle |
| PCT/CN2013/082389 WO2014067329A1 (en) | 2012-11-05 | 2013-08-27 | Led lamp tube with large light-emitting angle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104354773A CN102913798A (en) | 2012-11-05 | 2012-11-05 | LED lamp tube emitting light at high angle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102913798A true CN102913798A (en) | 2013-02-06 |
Family
ID=47612289
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012104354773A Pending CN102913798A (en) | 2012-11-05 | 2012-11-05 | LED lamp tube emitting light at high angle |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN102913798A (en) |
| WO (1) | WO2014067329A1 (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103162158A (en) * | 2013-03-25 | 2013-06-19 | 歌山建设集团有限公司 | Comprehensive security headlamp for building |
| CN103256500A (en) * | 2013-04-10 | 2013-08-21 | 达亮电子（苏州）有限公司 | LED tube |
| WO2014067329A1 (en) * | 2012-11-05 | 2014-05-08 | 深圳市聚作照明股份有限公司 | Led lamp tube with large light-emitting angle |
| CN104180248A (en) * | 2013-05-22 | 2014-12-03 | 林万炯 | Strip-type LED (light-emitting diode) lamp |
| CN104696839A (en) * | 2015-02-12 | 2015-06-10 | 广州市莱帝亚照明科技有限公司 | 360-degree illuminating suspension lamp |
| WO2016088123A1 (en) * | 2014-12-04 | 2016-06-09 | Belenkin Nickolay | Led illumination device |
| WO2017067046A1 (en) * | 2015-10-23 | 2017-04-27 | 深圳市亮维光电有限公司 | Led r7s (rx7s) light source capable of 360-degree light-emitting |
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| JPH06349451A (en) * | 1993-06-03 | 1994-12-22 | Fujitsu Ltd | Light source and liquid crystal display using it |
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| CN201568907U (en) * | 2009-11-24 | 2010-09-01 | 广州万晶半导体照明科技有限公司 | LED daylight lamp |
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| JP2012164541A (en) * | 2011-02-08 | 2012-08-30 | Az Tec:Kk | Straight-tube type led electric bulb |
| CN102748599A (en) * | 2011-04-22 | 2012-10-24 | 海洋王照明科技股份有限公司 | LED (Light Emitting Diode) lamp |
| CN102661510B (en) * | 2012-04-29 | 2015-06-10 | 广州南科集成电子有限公司 | Rotatable LED (Light-Emitting Diode) fluorescent lamp tube |
| CN102913798A (en) * | 2012-11-05 | 2013-02-06 | 深圳市聚作照明股份有限公司 | LED lamp tube emitting light at high angle |
-
2012
- 2012-11-05 CN CN2012104354773A patent/CN102913798A/en active Pending
-
2013
- 2013-08-27 WO PCT/CN2013/082389 patent/WO2014067329A1/en active Application Filing
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH06349451A (en) * | 1993-06-03 | 1994-12-22 | Fujitsu Ltd | Light source and liquid crystal display using it |
| EP1215735A1 (en) * | 2000-12-13 | 2002-06-19 | Chao-Chin Yeh | Improved structure of lamp |
| CN201568907U (en) * | 2009-11-24 | 2010-09-01 | 广州万晶半导体照明科技有限公司 | LED daylight lamp |
| CN102252219A (en) * | 2010-05-28 | 2011-11-23 | 深圳市聚飞光电股份有限公司 | Light-emitting diode (LED) street lamp and high-power LED device |
| CN201706296U (en) * | 2010-06-23 | 2011-01-12 | 段爱英 | Radiating LED lamp |
| CN202852560U (en) * | 2012-11-05 | 2013-04-03 | 深圳市聚作照明股份有限公司 | Light-emitting diode (LED) lamp tube lightening at wide angle |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014067329A1 (en) * | 2012-11-05 | 2014-05-08 | 深圳市聚作照明股份有限公司 | Led lamp tube with large light-emitting angle |
| CN103162158A (en) * | 2013-03-25 | 2013-06-19 | 歌山建设集团有限公司 | Comprehensive security headlamp for building |
| CN103162158B (en) * | 2013-03-25 | 2015-09-09 | 歌山建设集团有限公司 | Comprehensive security headlamp for building |
| CN103256500A (en) * | 2013-04-10 | 2013-08-21 | 达亮电子（苏州）有限公司 | LED tube |
| CN104180248A (en) * | 2013-05-22 | 2014-12-03 | 林万炯 | Strip-type LED (light-emitting diode) lamp |
| WO2016088123A1 (en) * | 2014-12-04 | 2016-06-09 | Belenkin Nickolay | Led illumination device |
| CN104696839A (en) * | 2015-02-12 | 2015-06-10 | 广州市莱帝亚照明科技有限公司 | 360-degree illuminating suspension lamp |
| WO2017067046A1 (en) * | 2015-10-23 | 2017-04-27 | 深圳市亮维光电有限公司 | Led r7s (rx7s) light source capable of 360-degree light-emitting |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2014067329A1 (en) | 2014-05-08 |
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Application publication date: 20130206 |