CN100520154C - LED tube - Google Patents

LED tube Download PDF

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Publication number
CN100520154C
CN100520154C CNB2006100612003A CN200610061200A CN100520154C CN 100520154 C CN100520154 C CN 100520154C CN B2006100612003 A CNB2006100612003 A CN B2006100612003A CN 200610061200 A CN200610061200 A CN 200610061200A CN 100520154 C CN100520154 C CN 100520154C
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CN
China
Prior art keywords
lampshade
fluorescent tube
metab
led fluorescent
circuit board
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.)
Expired - Fee Related
Application number
CNB2006100612003A
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Chinese (zh)
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CN101089455A (en
Inventor
薛信燊
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Honglulan Photoelectric Science & Technology Co Ltd Shenzhen City
Original Assignee
Honglulan Photoelectric Science & Technology Co Ltd Shenzhen City
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Application filed by Honglulan Photoelectric Science & Technology Co Ltd Shenzhen City filed Critical Honglulan Photoelectric Science & Technology Co Ltd Shenzhen City
Priority to CNB2006100612003A priority Critical patent/CN100520154C/en
Publication of CN101089455A publication Critical patent/CN101089455A/en
Application granted granted Critical
Publication of CN100520154C publication Critical patent/CN100520154C/en
Expired - Fee Related legal-status Critical Current
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  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)

Abstract

The present invention relates to a LED light-emitting tube. It is characterized by that it includes a metal base seat which is used for bearing circuit board and is tightly fit with lamp cover and internal end shield and metal side seats which are respectively set at two sides of lamp cover; the described lamp cover, internal end shield and metal base seat are sealed together and formed into a closed space for containing the described circuit board and LED lamp; between the circuit board and metal base seat a thermoconductive insulation film is set; the described metal side seats are respectively fit with lamp cover and base seat fastener. The invented LED lamp tube has good radiating property and its service life is long.

Description

The LED fluorescent tube
[technical field]
The present invention relates to a kind of illumination and decoration fluorescent tube, particularly relate to a kind of LED fluorescent tube.
[background technology]
At present, adopt the lighting engineering of LED (light emitting diode) fluorescent tube to be widely used in all trades and professions, as the common decorating lighting lamp in open air.As shown in Figure 4, the cylindric Transparent lamp tube 50, that existing LED fluorescent tube generally includes a both ends open is equiped with a plurality of LED lamps 52 and is inserted in circuit board 51 in the Transparent lamp tube 50, and two blanking covers 53 that are sheathed on Transparent lamp tube 50 two ends respectively.Wherein, Transparent lamp tube more than 50 adopts common lucite light wall pipe or PC pipe to make, and the tube wall of fluorescent tube is the planar structure of consistency of thickness.Circuit board 51 is long narrow strip plate body, and described LED lamp 52 is arranged in delegation along circuit board 51 length directions and is installed on the circuit board 51, and generally is that the employing diameter is the common LED lamp of 5mm.Described blanking cover 53 generally is to utilize polyester glue bonding with the peripheral tube wall in Transparent lamp tube 50 two ends respectively, and the both ends open with sealing Transparent lamp tube 50 prevents that aqueous vapor from entering in the fluorescent tube.Do not possess the radiator structure design in the above-mentioned LED fluorescent tube, during therefore long-term the use, too high circuit board 51 or the LED lamp 52 of easily making of temperature damages in the fluorescent tube, thereby shortens the service life of fluorescent tube.In addition, because above-mentioned LED fluorescent tube only adopts gluing mode that blanking cover 53 is incorporated into Transparent lamp tube 50 two ends closely, in use for some time, be subjected to the influence of external environment, the cohesive of glue can descend, and blanking cover 53 is sealed transparent fluorescent tube 50 two ends fully still, thereby make waterproof failure, just the humidity or even the globule can occur in the fluorescent tube, and then cause circuit board 51 short circuit of making moist to damage, also can shorten the service life of fluorescent tube.Moreover, above-mentioned LED fluorescent tube in use, only be luminous by single file LED lamp 52, and the light that is sent is that Transparent lamp tube 50 tube walls refraction by consistency of thickness enters human eye, so people can be clear that single led lamp 52 is luminous and feel very dazzling, but the overall light lightness that in fact fluorescent tube provided is not high again, thereby make the people produce dizzy sensation easily, and if use opalescence, though there is not dazzling effect, light decay is very big.
[summary of the invention]
Technical problem to be solved by this invention is to provide a kind of LED fluorescent tube with preferable heat dispersion.
The further technical problem to be solved of the present invention is to provide a kind of LED fluorescent tube with preferable water resistance.
The further technical problem to be solved of the present invention is to provide a kind of LED fluorescent tube with high brightness and not dazzling light.
For solving the problems of the technologies described above, the technical solution used in the present invention is: a kind of LED fluorescent tube is provided, it comprise at least one end opening lampshade, the inner end cap that cooperates with the lampshade openend, be equiped with a plurality of LED lamps and be positioned at the circuit board of lampshade below, the metab that is used for the bearer circuit plate and is sealed and matched, and the metal side seat that is divided into the lampshade both sides with lampshade and inner end cap; Described lampshade and inner end cap and metab seal the confined space that formation one is used to accommodate described circuit board and LED lamp jointly; Be provided with a heat conductive insulating film between described circuit board and the metab; Described metal side seat cooperates with lampshade and base snaps into position respectively.
As further improvement in the technical proposal, described inner end cap is combined as a whole with ultrasonic wave hot melt mode and lampshade, and described inner end cap is connected by ultrasonic wave with lampshade; Be provided with side seal bar and end sealing strip between described metab and lampshade and inner end cap; Described metal side seat is provided with the screw that is used to compress the side seal bar, and described screw is resisted against described metab.
More specifically, described lampshade both sides are respectively equipped with one and are used for the corresponding groove that is clasped with the metal side seat, and described metal side seat extends on a side direction of screw and is formed in the top and the corresponding grab that is clasped of groove on the lampshade.
More specifically, described metab bottom surface extends to form two downwards and is respectively applied for the roughly L-shaped barb that is clasped with corresponding metal side seat, and described metal side seat is provided with the corresponding draw-in groove that is clasped of barb that is used for the metab respective side in the opposite side below of screw.
More specifically, extend to form two gripper shoes that are used to support described circuit board on the described metab end face mediad, described heat conductive insulating film is positioned between two gripper shoes.
More specifically, described metab end face both sides extend upward respectively and form two location-plates, and between two gulde edges of respective side, form in order to accommodate the receiving space of described side seal bar, the described two gulde edge tops that are positioned at metab end face relative inner further extend upward and form respectively in order to support " L " shape supporting seat of the described circuit board in location in the top.
More specifically, both sides, described metab bottom surface extend to form two baffle plates respectively downwards, and are formed for accommodating the space, the free-ended location of screw of the described metal side seat in location between two baffle plates of respective side.
As further improvement in the technical proposal, described lampshade is the lens type structure, and its cross-sectional profiles roughly is down " U " shape.
As further improvement in the technical proposal, the open end of described lampshade also is arranged with the outer end cap of decoration function together.
As further improvement in the technical proposal, described LED lamp roughly is square, and exiting surface is big spherical structure.
Compared with prior art, the present invention has following beneficial effect: because the present invention is provided with metab and metal side seat below circuit board, therefore, the heat that circuit board produces fully can be dissipated, thereby can guarantee that fluorescent tube has long service life.In addition, side seal bar that LED fluorescent tube of the present invention further is provided with between metab and lampshade and inner end cap and end sealing strip can make the LED fluorescent tube have preferable water resistance, guarantee further that also fluorescent tube has long service life; And LED fluorescent tube of the present invention further is designed to lampshade the lens type structure, and not only brightness is high but also not dazzling can to make the light that fluorescent tube sends.In addition, LED lamp 8 of the present invention adopts arcuate structure, its rising angle and traditional plane LED lamp are approaching, but the plane LED lamp of brightness ratio is high by 15%, light is well-illuminated higher by 10% than plane LED lamp, therefore, LED light fixture of the present invention has very big practicality, and light emission rate is higher than conventional planar shape LED lamp.
The concrete structure of LED fluorescent tube of the present invention is provided in detail by the following drawings and embodiment.
[description of drawings]
Fig. 1 is the perspective exploded view of a preferred embodiment of the present invention.
Fig. 2 is that master embodiment illustrated in fig. 1 looks schematic cross-section.
Fig. 3 is a right side schematic cross-section embodiment illustrated in fig. 1.
Fig. 4 is the perspective exploded view of existing LED fluorescent tube.
[specific embodiment]
Please consult Fig. 1 and Fig. 2 simultaneously, LED fluorescent tube of the present invention, the inner end cap 4 that comprises the lampshade 1 of both ends open, is combined as a whole in ultrasonic wave hot melt mode with lampshade 1 openend, be sheathed on the lampshade 1 openend outside outer end cap 5, be equiped with a plurality of LED lamps 8 and be positioned at the circuit board 10 of lampshade 1 below, the metab 2 that is used for bearer circuit plate 10 and is sealed and matched, and the metal side seat 3 that is divided into lampshade 1 both sides with lampshade 1 and inner end cap 4.Wherein, lampshade 1 seals the confined space 11 that formation one is used to accommodate described circuit board 10 and LED lamp 8 jointly with inner end cap 4 and metab 2.For strengthening the sealing of 2 of lampshade 1, inner end cap 4 and metabs, the present invention also is connected by ultrasonic wave in inner end cap 4 and lampshade 1, and 4 of metab 2 and lampshade 1 and inner end cap then are provided with side seal bar 6 and hold sealing strip 7.Described metal side seat 3 cooperates with lampshade 1 and metab 2 snaps into position respectively, and is provided with a screw 12 that is used to compress side seal bar 6 and holds sealing strip 7, and described screw 12 is resisted against the lower face corresponding position that described metab 2 cooperates with side seal bar 6.Because lampshade 1 and inner end cap 4 mostly are the lucite material and make, inconsistent with metab 2 materials, the percent thermal shrinkage of two kinds of materials is also different, therefore adds screw 12 and side seal bar 6 is compressed can guarantee further that fluorescent tube can have preferable water-tight performance equally under the bigger situation of extraneous difference variation.
As shown in the figure, lampshade 1 is a strip, and it is inverted U-shaped that its cross section roughly is, and adopts the lens type structure.The convergence of rays that the lampshade 1 of this structure can make LED lamp 8 send, and make light shine fartherly.Simultaneously, this structure also can make light on the length direction of lampshade 1 light be launched, when LED lamp 8 is lighted, make light can become the trend of a whole piece light belt to strengthen greatly, can clearly not see that single led lamp is luminous the existing LED fluorescent tube and feel very dazzling and do not resemble.In addition, also offering one respectively on 1 liang of lateral wall of lampshade is used for and the metal side seat 3 corresponding grooves that are clasped 13.
Described LED lamp 8 is array and is installed on the circuit board 10.The profile of every LED lamp 8 roughly is square, and exiting surface is big spherical structure.LED lamp 8 of the present invention adopts arcuate structure, its rising angle and traditional plane LED lamp are approaching, but the plane LED lamp of brightness ratio is high by 15%, light is well-illuminated higher by 10% than plane LED lamp, therefore, LED light fixture of the present invention has very big practicality, and light emission rate is higher than conventional planar shape LED lamp.In addition, the chip appearance of LED lamp 8 of the present invention also is coated with fluorescent glue, and it can change uniformity of light effectively, increase soft property, fluorescent glue is used for illuminating product, can change the corner angle sensation, avoid making that the people feels dizzy, discomfort such as feel sick, more be applicable in the illuminating products such as light fixture or lamp bar.Adopt the LED lamp 8 of said structure can make bright dipping even, when granular LED lamp 8 is lighted, almost become a light belt, therefore also can not allow the people feel dazzling.Described circuit board 10 is fixed on the metab 2, is provided with a heat conductive insulating film 9 between circuit board 10 and the metab 2, and the heat that circuit board 10 can be produced in the fluorescent tube use conducts to metab 2 via heat conductive insulating film 9 and distributes.
Described metab 2 can select for use the preferable aluminum alloy materials of thermal conductivity to make.Base 2 end face both sides extend upward respectively and form two location-plates 17, and form a receiving space 18 in 17 of two location-plates of respective side, in order to accommodate side seal bar 6.In addition, two location-plates, 17 tops of relative inner further extend upward and are formed separately one " L " shape supporting seat, 19, two supporting seats 19 in the top and establish relatively, and it is vertically held and is positioned at circuit board 10 both sides, in order to locating circuit board 10, horizontal ends then is used for support circuit plate 10.Metab 2 end face central authorities also extend upward and form two gripper shoes 20, and gripper shoe 20 tops are concordant with supporting seat 19 horizontal end, and in order to the described circuit board 10 of together support, described heat conductive insulating film 9 is contained in 20 of two gripper shoes just simultaneously.The both sides, bottom surface of metab 2 then extend to form two baffle plates 21 respectively downwards, and form certain bit space 22 in 21 on two baffle plates of respective side, in order to accommodate screw 12 free ends of the described metal side seat 3 in location.The bottom surface of metab 2 also further extends to form two roughly L-shaped barbs 15 downwards near baffle plate 21 inboards, respectively in order to be clasped with corresponding metal side seat 3.
Described metal side seat 3 is a frame structure, and screw 12 roughly is positioned at metal side seat 3 middle parts.Metal side seat 3 extends and forms in the top grab 14 on a side direction of screw 12, in order to lampshade 1 on groove 13 corresponding being clasped.In addition, metal side seat 3 is provided with a draw-in groove 16 in the opposite side of screw 12 below, in order to barb 15 corresponding being clasped of metab 2 respective side.Metal side seat 3 also can select for use the preferable aluminum alloy materials of thermal conductivity to make, because metal side seat 3 is exposed to the outside fully, therefore by the contact cooperation of metal side seat 3 with metab 2, the heat that circuit board 10 is produced can conduct to metal side seat 3 via metab 2 and distribute faster, thereby can guarantee that fluorescent tube can use for a long time, and can the too high circuit board damage that causes of Yin Wendu.
By the foregoing description as can be known, LED fluorescent tube of the present invention not only can make the light luminance that sends high but also not dazzling, also has preferable water-tight performance and heat dispersion simultaneously, thereby can guarantee that fluorescent tube has long service life.

Claims (10)

1, a kind of LED fluorescent tube, the lampshade that comprises at least one end opening, the inner end cap that cooperates with the lampshade openend, and be equiped with a plurality of LED lamps and be positioned at the circuit board of lampshade below, it is characterized in that: described LED fluorescent tube also comprises the metab that is used for the bearer circuit plate and is sealed and matched with lampshade and inner end cap, and the metal side seat that is divided into the lampshade both sides; Described lampshade and inner end cap and metab seal the confined space that formation one is used to accommodate described circuit board and LED lamp jointly; Be provided with a heat conductive insulating film between described circuit board and the metab; Described metal side seat cooperates with lampshade and base snaps into position respectively.
2, LED fluorescent tube as claimed in claim 1, it is characterized in that: described inner end cap is combined as a whole with ultrasonic wave hot melt mode and lampshade; Be provided with side seal bar and end sealing strip between described metab and lampshade and inner end cap; Described metal side seat is provided with the screw that is used to compress side seal bar and end sealing strip, and described screw is resisted against described metab.
3, LED fluorescent tube as claimed in claim 2, it is characterized in that: described lampshade both sides are respectively equipped with one and are used for the corresponding groove that is clasped with the metal side seat, and described metal side seat extends on a side direction of screw and is formed in the top and the corresponding grab that is clasped of groove on the lampshade.
4, LED fluorescent tube as claimed in claim 3, it is characterized in that: described metab bottom surface extends to form two downwards and is respectively applied for the roughly L-shaped barb that is clasped with corresponding metal side seat, and described metal side seat is provided with the corresponding draw-in groove that is clasped of barb that is used for the metab respective side in the opposite side below of screw.
5, LED fluorescent tube as claimed in claim 1 or 2 is characterized in that: extend to form two gripper shoes that are used to support described circuit board on the described metab end face mediad, described heat conductive insulating film is positioned between two gripper shoes.
6, LED fluorescent tube as claimed in claim 2, it is characterized in that: described metab end face both sides extend upward respectively, on each side, form two location-plates, and between two location-plates of respective side, form in order to accommodate the receiving space of described side seal bar, the described two location-plate tops that are positioned at metab end face relative inner further extend upward and form respectively in order to support " L " shape supporting seat of the described circuit board in location in the top.
7, LED fluorescent tube as claimed in claim 2, it is characterized in that: extend downwards respectively both sides, described metab bottom surface, on each side, form two baffle plates, and between two baffle plates of respective side, be formed for accommodating the space, the free-ended location of screw of the described metal side seat in location.
8, LED fluorescent tube as claimed in claim 1 or 2 is characterized in that: described lampshade is the lens type structure, and its cross-sectional profiles roughly is down " U " shape.
9, LED fluorescent tube as claimed in claim 1 or 2 is characterized in that: the open end of described lampshade also is arranged with the outer end cap of decoration function together.
10, LED fluorescent tube as claimed in claim 1 or 2 is characterized in that: described LED lamp roughly is square, and exiting surface is big spherical structure.
CNB2006100612003A 2006-06-14 2006-06-14 LED tube Expired - Fee Related CN100520154C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNB2006100612003A CN100520154C (en) 2006-06-14 2006-06-14 LED tube

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNB2006100612003A CN100520154C (en) 2006-06-14 2006-06-14 LED tube

Publications (2)

Publication Number Publication Date
CN101089455A CN101089455A (en) 2007-12-19
CN100520154C true CN100520154C (en) 2009-07-29

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Application Number Title Priority Date Filing Date
CNB2006100612003A Expired - Fee Related CN100520154C (en) 2006-06-14 2006-06-14 LED tube

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Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201190977Y (en) * 2008-03-13 2009-02-04 王文峰 LED fluorescent tube
CN101871625B (en) * 2010-06-24 2013-08-28 青岛海信移动通信技术股份有限公司 Lampshade fixing structure and electronic device
CN103712133A (en) * 2013-12-30 2014-04-09 宁波兆隆光电科技有限公司 Novel night lamp
CN106641757A (en) * 2016-12-14 2017-05-10 安徽极光照明工程有限公司 LED waterproof module lamp
CN106594546A (en) * 2016-12-30 2017-04-26 佛山市顺德区恒光电器实业有限公司 Waterproof LED lamp tube
CN110925657B (en) * 2019-12-02 2023-10-20 广东德洛斯照明工业有限公司 Lens lamp with installation angle adjusting frame

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