CN201827690U

CN201827690U - LED fluorescent tube

Info

Publication number: CN201827690U
Application number: CN2010205126319U
Authority: CN
Inventors: 吴捷飞
Original assignee: Suzhou BOE Chatani Electronics Co Ltd
Current assignee: BOE Optical Science and Technology Co Ltd
Priority date: 2010-07-23
Filing date: 2010-08-23
Publication date: 2011-05-11
Anticipated expiration: 2020-08-23
Also published as: CN101922639B; CN101922639A

Abstract

The utility model discloses an LED fluorescent tube comprising a tube body, plugs disposed on two ends of the tube body, and a PCB board provided with a plurality of LED lamps and disposed in the tube body. The tube body is constituted by a detachable heat dissipation device and a lampshade. The heat dissipation device is disposed on the side of the rear surface of the PCB board, and the lampshade is disposed on the side of the front surface of the PCB board. The utility model is characterized in that at least one fixed spring shim used for fixing the PCB board on the heat dissipation is disposed between the PCB board and the lampshade. The LED fluorescent tube adopting the above mentioned structure has advantages of relatively low production costs and convenient assembly.

Description

The LED fluorescent tube

Technical field

The utility model relates to a kind of fluorescent lamp, relates in particular to a kind of LED fluorescent lamp, specifically is applicable to the use of LED lamp in normal lighting.

Background technology

At present, the LED fluorescent tube is as a kind of house lighting that is used for substituting tengsten lamp and fluorescent lamp, because advantages such as it has that energy consumption is little, light efficiency is big, no mercury, radiationless pollution and material reproducible utilization in today of energy growing tension, more and more are subjected to consumer's welcome.

The Chinese patent Granted publication number is CN201439878U, Granted publication day is that on 04 21st, 2010 utility model patent discloses a kind of LED fluorescent tube, comprise the lamp plate that is provided with a plurality of LED bulbs, be positioned at the lampshade of described lamp plate face side, the attaching plug that is positioned at the heat dissipation base of described lamp plate rear side and is arranged on described lamp tube ends, wherein, described lampshade and the mutual winding of described heat dissipation base, described lamp plate is fixed on the heat dissipation base, the outer surface of described heat dissipation base is formed with a plurality of radiating fins, though this utility model is under identical appearance and size, heat dissipation base has bigger area of dissipation, better radiating effect can be obtained, thereby the service life of LED fluorescent tube can be prolonged.But the LED fluorescent tube of this structure is more loaded down with trivial details during fabrication, need lamp plate be fixed on the foot of radiator with a plurality of screws, on lamp plate and heat dissipation base, process a plurality of corresponding fixing holes thereby need to consume bigger time and manpower, so manufacturing cost is higher and the assembling is more loaded down with trivial details.

The utility model content

The purpose of this utility model is to overcome defective and the problem that the manufacturing cost that exists in the prior art is higher and assembling is more loaded down with trivial details, provides a kind of manufacturing cost the lower and easy LED fluorescent tube of assembling.

For realizing above purpose, the technical scheme that the utility model adopted is: a kind of LED fluorescent tube, comprise body, be arranged at the plug at body two ends and be arranged in body and be provided with the pcb board of a plurality of LED lamps, described body is made up of dismountable radiator and lampshade, described radiator is positioned at the rear side of pcb board, described lampshade is positioned at the positive side of pcb board, it is characterized in that: be provided with at least one between described pcb board and the described lampshade and described pcb board can be fixed in fixation spring tab on the described radiator.

Described radiator comprises tubular structure that is surrounded by roof and diapire and left side wall and the right side wall that is arranged at the diapire both sides along the length direction of diapire, wherein said roof is circular arc, described diapire is plate shaped, the corresponding contact with the back side of described pcb board of the outer surface of described diapire.

Described fixation spring tab is the dish shape, comprises the upper left side of shell fragment, the upper right side of shell fragment and shell fragment lower concave part, and upper left side of shell fragment and the upper right side of shell fragment form angle respectively and between the shell fragment lower concave part.

The upper left side of described shell fragment, the upper right side of described shell fragment and described shell fragment lower concave part are integrally formed.

Described left side wall is relatively set with left groove and the right groove that matches with upper left side of described shell fragment and the upper right side of described shell fragment along its length direction respectively with the inner surface of described right side wall, the positive corresponding contact of described shell fragment lower concave part and described pcb board.

The front of described pcb board is provided with locating hole, and described fixation spring tab lower concave part is provided with the reference column that cooperates with described location hole shape.

The cross section of described locating hole is circular, square or triangle, and described reference column cooperates with described location hole shape.

The number of described fixation spring tab is 3 to 8.

The manufactured materials of described fixation spring tab is a transparent plastic.

Be provided with heat-conducting glue between the back side of described pcb board and the described diapire.

Compared with prior art, the beneficial effects of the utility model are:

1. because the radiator in the LED fluorescent tube of the present utility model comprises roof, diapire, left side wall and right side wall, wherein left side wall and right side wall form in the both sides of diapire along the length direction of diapire, the corresponding contact of the outer surface of described diapire with the back side of described pcb board, and the inner surface at described left side wall and described right side wall is relatively set with left groove and right groove along its length direction respectively, butterfly-shaped fixation spring tab comprises the upper left side of shell fragment, top, shell fragment right side and shell fragment lower concave part, upper left side of shell fragment and top, shell fragment right side respectively with left groove and right groove fit, the lower concave part of described shell fragment contacts with the front of pcb board pcb board is fixed on the radiator, the utility model need not to consume the bigger time in manufacture process and manpower is processed a plurality of corresponding fixing holes on pcb board and radiator, so the utility model manufacturing cost is lower.

2. owing to LED fluorescent tube of the present utility model only needs the lower concave part of fixation spring tab is contacted with the front of pcb board when assembling, then the upper left side of fixation spring tab and top, right side are snapped in the left groove that is provided with on left side wall and the right side wall and the right groove and just pcb board can be fixed on the radiator, need not the operator again with the fixing pcb board of a plurality of screws, so the utility model assembling is simpler and easy.

Description of drawings

Fig. 1 is the structural representation of the LED fluorescent tube that discloses of the utility model.

Fig. 2 is the partial enlarged drawing of A shown in Figure 1.

Fig. 3 is the structural representation of fixation spring tab in the utility model.

Among the figure: plug 1, pcb board 2, LED lamp 3, radiator 9 diapires 4, roof 5, left side wall 6, right side wall 7, left groove 61, right groove 72, fixation spring tab 8, top 81, shell fragment left side, the upper right side 82 of shell fragment, shell fragment lower concave part 83, angle 85, reference column 84.

The specific embodiment

Below in conjunction with the drawings and specific embodiments the utility model is described in further detail

As shown in Figure 1, a kind of LED fluorescent tube comprises body, the plug 1 that is arranged at the body two ends and is used for being electrically connected and be positioned at body and be provided with the pcb board 2 of a plurality of LED lamps 3, body is made up of dismountable radiator 9 and lampshade (not shown), radiator 9 is positioned at the rear side of pcb board, and lampshade is positioned at the face side of pcb board.

The cross section semicircular in shape of lampshade (not shown), two ends of this lampshade are formed with the projection of extending along the length direction of lampshade respectively, radiator 9 is provided with the groove (not shown) that cooperates with projection on the lampshade, and this projection and groove fit realize the detachable winding of radiator 9 and lampshade.

Radiator 9 comprises the roof 5 of circular arc, plate shaped diapire 4, left side wall 6 and right side wall 7, wherein roof 5 and diapire 4 cooperate formation one tubular structure, the inside of this tubular structure forms the heat radiation inner chamber, left side wall 6 and right side wall 7 form on the diapire 4 and are positioned at the outside of heat radiation inner chamber along the length direction of diapire 4, and wherein roof 5, diapire 4, left side wall 6 and right side wall 7 are integrally formed and made by aluminium heat exchanging material.

Fixation spring tab 8 is butterfly-shaped, comprise the upper left side 81 of shell fragment, the upper right side 82 of shell fragment and shell fragment lower concave part 83, wherein upper left side 81 of shell fragment and the upper right side 82 of shell fragment form shell fragment angles 85 with shell fragment lower concave part 83 respectively, and wherein the upper left side 81 of shell fragment, the upper right side 82 of shell fragment and shell fragment lower concave part 83 are integrally formed and made by transparent plastic.

The inner surface of left side wall 6 and right side wall 7 is provided with left groove 61 and right groove 72 along its length direction respectively, the upper left side 81 of shell fragment cooperates with left groove 61 and right groove 72 respectively with the upper right side 82 of shell fragment, the front of pcb board 2 is provided with locating hole (not shown), circular, the square or triangle of being shaped as of this locating hole cross section, shell fragment lower concave part 83 is provided with and locatees the reference column 84 that hole shape cooperates, and this reference column 84 cooperates with locating hole (not shown) can prevent effectively that pcb board 2 from rocking along the length direction of radiator 9.During assembling at first with the back side of pcb board 2 and the corresponding contact of outer surface of diapire 4, preferably between diapire 4 and pcb board 2, be provided with heat-conducting glue, secondly with the positive corresponding contact of shell fragment lower concave part 83 with pcb board 2, at last the upper left side 81 of shell fragment and the upper right side 82 of shell fragment are snapped in respectively in the left groove 61 that is provided with on left side wall 6 and the right side wall 7 and the right groove 72 and just pcb board can be fixed on the radiator 9, preferably can adopt 3 to 8 fixation spring tabs 8 to be spaced fixedly pcb board 2 along the length direction of radiator 9, LED fluorescent tube of the present utility model need not the operator and adopts fixedly pcb board 2 of a plurality of screws, so the utility model manufacturing cost is lower, and assemble simpler and easy.

The above only is the specific embodiment of the present utility model.Protection domain of the present utility model is not limited thereto, and anyly is familiar with those skilled in the art in the technical scope that the utility model discloses, and the variation that can expect easily or replacement all should be encompassed within the protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain that claim was defined.

Claims

1. LED fluorescent tube, comprise body, be arranged at the plug at body two ends and be arranged in body and be provided with the pcb board of a plurality of LED lamps, described body is made up of dismountable radiator and lampshade, described radiator is positioned at the rear side of pcb board, described lampshade is positioned at the positive side of pcb board, it is characterized in that: be provided with at least one between described pcb board and the described lampshade and described pcb board can be fixed in fixation spring tab on the described radiator.

2. LED fluorescent tube according to claim 1, it is characterized in that: described radiator comprises tubular structure that is surrounded by roof and diapire and left side wall and the right side wall that is arranged at the diapire both sides along the length direction of diapire, wherein said roof is circular arc, described diapire is plate shaped, the corresponding contact with the back side of described pcb board of the outer surface of described diapire.

3. LED fluorescent tube according to claim 1, it is characterized in that: described fixation spring tab is the dish shape, comprise the upper left side of shell fragment, the upper right side of shell fragment and shell fragment lower concave part, upper left side of shell fragment and the upper right side of shell fragment form angle respectively and between the shell fragment lower concave part.

4. LED fluorescent tube according to claim 3 is characterized in that: the upper left side of described shell fragment, the upper right side of described shell fragment and described shell fragment lower concave part are integrally formed.

5. according to claim 2 or 3 described LED fluorescent tubes, it is characterized in that: described left side wall is relatively set with left groove and the right groove that matches with upper left side of described shell fragment and the upper right side of described shell fragment along its length direction respectively with the inner surface of described right side wall, the positive corresponding contact of described shell fragment lower concave part and described pcb board.

6. LED fluorescent tube according to claim 3 is characterized in that: the front of described pcb board is provided with locating hole, and described fixation spring tab lower concave part is provided with the reference column that cooperates with described location hole shape.

7. LED fluorescent tube according to claim 6 is characterized in that: the cross section of described locating hole is circular, square or triangle, and described reference column cooperates with described location hole shape.

8. LED fluorescent tube according to claim 1 is characterized in that: the number of described fixation spring tab is 3 to 8.

9. LED fluorescent tube according to claim 1 is characterized in that: the manufactured materials of described fixation spring tab is a transparent plastic.

10. LED fluorescent tube according to claim 1 is characterized in that: be provided with heat-conducting glue between the back side of described pcb board and the described radiator.