CN202392555U

CN202392555U - LED (light-emitting diode) fluorescent tube

Info

Publication number: CN202392555U
Application number: CN2011205152464U
Authority: CN
Inventors: 罗嗣辉; 周燕飞
Original assignee: GUANGDONG OUTRACE TECHNOLOGY Co Ltd
Current assignee: GUANGDONG OUTRACE TECHNOLOGY Co Ltd
Priority date: 2011-12-12
Filing date: 2011-12-12
Publication date: 2012-08-22
Anticipated expiration: 2021-12-12

Abstract

The utility model relates to the technical field of an illumination device and discloses an LED (light-emitting diode) fluorescent tube. The LED fluorescent tube comprises a base, a light source, a light-transmitting hood and end covers, wherein the base is a hollow circular tube body; a base plate is formed on the bottom surface; the light source is arranged on the base plate; necks are arranged on two sides of the base; a clamping edge is formed on an opening of the light-transmitting hood; the light-transmitting hood is connected with the necks through the clamping edge and forms a pipe body together with the base; the end covers are arranged at two ends of the tube body; at least two electrodes are arranged on each end cover; a clamping rail clamped with the light source is formed at two sides of the base plate towards the light source; the two clamping rails are 7-shaped and symmetric; at least two clamping sections extend towards the base in the end covers; the clamping sections are clamped on the light source; a mark block is formed on the outer surface of each end cover; the mark blocks are in the vertical direction of a connection line of two electrodes, and the two electrodes on the same end cover are electrically connected through a metallic gasket. According to the LED fluorescent tube disclosed by the utility model, normal service life of the lamp is ensured, the production efficiency is improved, normal light-emitting effect of the lamp is ensured, and the stability of using the lamp is also improved.

Description

A kind of LED fluorescent tube

Technical field

The utility model relates to technical field of lighting fixtures; Refer in particular to a kind of employing hollow tube and undulatory convexity to increase area of dissipation; Avoid light source to move with the card rail of pedestal and the Access Division of end cap, and the LED fluorescent tube of correcting assembling through the home block and the projection symbol of end cap.

Background technology

The LED lamp is widely used as the lighting apparatus of green energy conservation.With regard to the LED fluorescent lamp, the light source of most LED fluorescent tubes is to be connected with pedestal through packaging plastic, and the heat during lamp works causes moving back property of packaging plastic easily; Cause light source and pedestal bad connection, even come off, influence the normal use of light fixture; And during lamp works, the heat of generation is accelerated light source aging easily also, damages light source; Shorten the service time of light fixture, influence the normal service life of light fixture; Moreover mostly present LED fluorescent tube is unidirectional bright dipping, and the body of pipe shape is because no any position mark; Cause assembling improper easily; Normally go out light effect to such an extent as to influence easily after the lamp installation,, limited the efficient of producing again if fluorescent tube is done aligning during assembling.

Summary of the invention

The purpose of the utility model is to overcome weak point of the prior art and a kind of LED fluorescent tube is provided; This fluorescent tube Stability Analysis of Structures; Be convenient to the light fixture assembling, saved the time that rigging position is corrected, improved production efficiency; Improve the stability that light fixture uses, guaranteed the illumination effect and the normal service life of light fixture.

For realizing above-mentioned purpose, the utility model adopts following technical scheme:

A kind of LED fluorescent tube, it comprises pedestal, light source, diffuser and end cap, this pedestal is the semi arch body of a hollow; Its bottom surface is formed with a base plate, and this light source is installed on the base plate, and these pedestal both sides are provided with draw-in groove; This diffuser opening part is formed with edge, and this diffuser is connected with draw-in groove through edge, forms a body with pedestal; This end cap is arranged on the body two ends, and respectively this end cap is provided with at least two electrodes, and said base plate both sides all are formed with the card rail of a clamping light source to light source; This two cards rail is " 7 " font and symmetrical, is extended with at least two Access Divisions to pedestal in the said end cap, and this Access Division is fastened on the light source; This end cap outer surface is formed with a home block, and this home block is in the vertical direction of two electrode connecting lines, and two electrodes on the same end cap are electrically connected through a metallic gasket.

Equidistance is formed with undulatory convexity more than two places on the arc surface of said pedestal; The base plate of this pedestal is a plane plate; Light source on this base plate is made up of a substrate and some light emitting diodes that is electrically connected on the substrate; The width of this substrate is consistent with the distance between the card rail, and respectively this light emitting diode is arranged on the vertical direction of home block.

Also be formed with undulatory convexity on the surface of corresponding two electrodes, one end of said end cap; This convexity is by extending to the both sides of home block with the symmetrical position of home block; Be formed with a projection symbol on the end face of the corresponding home block of this end cap relevant position; This projection symbol comprises a circle and a plus sige in circle center, and this two electrode is riveted on the metallic gasket, and this metallic gasket is electrically connected with light source through lead.

But said end cap inside is formed with the mounting groove of socket body; The diameter of this mounting groove is consistent with the diameter of body; The junction of this end cap and pedestal is extended with the flange of arc, and the inwall of this flange and end cap forms a folder shape structure, and the junction of this folder shape structure and pedestal closely cooperates; Access Division in this end cap is L-shaped, and this Access Division is fastened on the two ends of light source.

Said diffuser is an arc cover body, and the radius of this diffuser is consistent with the cambered surface radius of pedestal, and the shape of this diffuser edge matches with the shape of draw-in groove, and this edge closely is connected with draw-in groove.

The beneficial effect of the utility model is: adopt the pedestal of hollow to guarantee flowing of the interior air of lamp body; The bulge-structure of fit circular arc face; Strengthened area of dissipation, the heat when making light fixture work can pass fast and loose in air, guarantees the normal service life of light fixture; Card rail design on the pedestal, the Access Division of cooperation end cap is fixed the substrate of light source from four direction, has avoided light source to make moving back property of packaging plastic make light source be shifted easily, come off because of work calories, guarantees that light fixture normally uses; The home block of end cap and projection Symbol Design play the mark positioning action for the assembling of light fixture, make that the positional of installation of being connected of end cap and body, light source and pedestal is stronger; The time that rigging position is corrected has been saved in be more convenient for light fixture assembling, has improved production efficiency; More guaranteed the normal illumination effect of light fixture; Electrode is riveted on metallic gasket, makes that the electric connection of electrode and metallic gasket is more good, has improved the stability that light fixture uses.

Description of drawings

Fig. 1 is the three-dimensional structure diagram of the utility model.

Fig. 2 is the sectional view of the utility model.

Fig. 3 is the structure chart of the utility model end cap.

Fig. 4 is the structure chart that the utility model electrode is connected with metallic gasket.

The specific embodiment

Below in conjunction with Figure of description the utility model is described further:

Shown in Fig. 1-4, the utility model is about a kind of LED fluorescent tube, and it comprises pedestal 1, light source 2, diffuser 3 and end cap 4; This pedestal 1 is the semi arch body of a hollow, has guaranteed flowing of the interior air of lamp body, and equidistance is formed with undulatory protruding a more than two places on its arc surface; Strengthened the area of dissipation of pedestal 1, the heat when making light fixture work can pass fast and loose in air, guarantees the normal service life of light fixture; Its bottom surface is formed with a base plate 11, and base plate 11 is a plane plate, and light source 2 is installed on the base plate 11; Base plate 11 both sides all are formed with the card rail 12 of a clamping light source 2 to light source 2, pedestal 1 both sides are provided with draw-in groove 13, and diffuser 3 opening parts are formed with edge 31; This diffuser 3 is connected with draw-in groove 13 through edge 31, forms a body with pedestal 1, and end cap 4 is arranged on the body two ends; Each end cap 4 is provided with at least two electrodes 5, and this two cards rail 12 is " 7 " font and symmetrical, is extended with at least two Access Divisions 41 to pedestal 1 in the end cap 4; This Access Division 41 is fastened on the light source 2, and matching with card rail 12 in this Access Division 41, from four direction the substrate 21 of light source 2 is fixed; Avoided light source to make moving back property of packaging plastic make light source 2 be shifted easily, come off because of work calories, guaranteed that light fixture normally uses, these end cap 4 outer surfaces are formed with a home block 42; This home block 42 is in the vertical direction of two electrodes, 5 connecting lines, and two electrodes 5 on the same end cap 4 are electrically connected through a metallic gasket 6, for the mark positioning action is played in the assembling of light fixture; Make being connected of end cap 4 and body, light source 2 stronger with the positional of the installation of pedestal 1, the time that rigging position is corrected has been saved in the light fixture assembling of being more convenient for; More guaranteed the normal illumination effect of light fixture, wherein, light source 2 is made up of with some light emitting diodes 22 that are electrically connected on the substrate 21 substrate 21; The width of substrate 21 is consistent with the distance of 12 on card rail, and respectively this light emitting diode 22 is arranged on the vertical direction of home block 42.

Shown in Fig. 3-4, also be formed with undulatory protruding a on the surface of end cap 4 corresponding two electrodes, 5 one ends, protruding a is by extending to the both sides of home block 42 with home block 42 symmetrical positions; Be formed with a projection symbol 43 on the end face of end cap 4 corresponding home blocks 42 relevant positions, projection symbol 43 comprises a circle and a plus sige in circle center, and this projection symbol 43 has been strengthened the positioning action of home block 42; Guaranteed the accuracy of light fixture assembly relation, saved the time that rigging position is corrected, two electrodes 5 are riveted on the metallic gasket 6; Make electrode 5 more good with the electric connection of metallic gasket 6; Improved the stability that light fixture uses, metallic gasket 6 is electrically connected with light source 2 through lead 7, but end cap 4 inside are formed with the mounting groove of socket body; The diameter of mounting groove is consistent with the diameter of body; The junction of end cap 4 and pedestal 1 is extended with the flange 44 of arc, and flange 44 forms a folder shape structure with the inwall of end cap 4, and the junction of folder shape structure and pedestal 1 closely cooperates; Access Division 41 in the end cap 4 is L-shaped, and Access Division 41 is fastened on the two ends of light source 2.

As shown in Figure 2, diffuser 3 is an arc cover body, and the radius of diffuser 3 is consistent with the cambered surface radius of pedestal 1, and the shape of diffuser 3 edges 31 matches with the shape of draw-in groove 13, and edge 31 closely is connected with draw-in groove 13.

A kind of LED fluorescent tube that the utility model discloses, the pedestal 1 of its hollow have guaranteed the mobile of the interior air of lamp body, the protruding a structure of fit circular arc face; Strengthened area of dissipation; Heat when making light fixture work can pass fast and loose in air, guarantees the normal service life of light fixture, card rail 12 designs on the pedestal 1; The Access Division 41 that cooperates end cap; From four direction the substrate 21 of light source 2 is fixed, avoided light source to make moving back property of packaging plastic make light source 2 be shifted easily, come off, guarantee that light fixture normally uses because of work calories; The home block 42 of

end cap

4 and 43 designs of projection symbol play the mark positioning action for the assembling of light fixture, make that the positional of installation of being connected of end cap 4 and body, light source 2 and pedestal 1 is stronger; The time that rigging position is corrected has been saved in be more convenient for light fixture assembling, has improved production efficiency; More guaranteed the normal illumination effect of light fixture; Electrode 5 is riveted on metallic gasket 6, makes electrode 5 more good with the electric connection of metallic gasket 6, has improved the stability that light fixture uses.

The above only is the preferred embodiment to the utility model; Be not that scope to the utility model limits; So under the prerequisite that does not break away from the utility model design spirit; The equivalence that the common engineers and technicians in this area do the described structure of the utility model, characteristic and principle changes or decorates, and all should fall in the protection domain that the utility model applies for a patent.

Claims

1. LED fluorescent tube, it comprises pedestal, light source, diffuser and end cap, this pedestal is the semi arch body of a hollow; Its bottom surface is formed with a base plate, and this light source is installed on the base plate, and these pedestal both sides are provided with draw-in groove; This diffuser opening part is formed with edge, and this diffuser is connected with draw-in groove through edge, forms a body with pedestal; This end cap is arranged on the body two ends, and respectively this end cap is provided with at least two electrodes, it is characterized in that: said base plate both sides all are formed with the card rail of a clamping light source to light source; This two cards rail is " 7 " font and symmetrical, is extended with at least two Access Divisions to pedestal in the said end cap, and this Access Division is fastened on the light source; This end cap outer surface is formed with a home block, and this home block is in the vertical direction of two electrode connecting lines, and two electrodes on the same end cap are electrically connected through a metallic gasket.

2. LED fluorescent tube according to claim 1; It is characterized in that: equidistance is formed with undulatory convexity more than two places on the arc surface of said pedestal; The base plate of this pedestal is a plane plate; Light source on this base plate is made up of a substrate and some light emitting diodes that is electrically connected on the substrate, and the width of this substrate is consistent with the distance between the card rail, and respectively this light emitting diode is arranged on the vertical direction of home block.

3. LED fluorescent tube according to claim 1; It is characterized in that: also be formed with undulatory convexity on the surface of corresponding two electrodes, one end of said end cap; This convexity is formed with a projection symbol by extending to the both sides of home block with the symmetrical position of home block on the end face of the corresponding home block of this end cap relevant position, and this projection symbol comprises a circle and a plus sige in circle center; This two electrode is riveted on the metallic gasket, and this metallic gasket is electrically connected with light source through lead.

4. LED fluorescent tube according to claim 1; It is characterized in that: but said end cap inside is formed with the mounting groove of socket body, the diameter of this mounting groove is consistent with the diameter of body, and the junction of this end cap and pedestal is extended with the flange of arc; The inwall of this flange and end cap forms a folder shape structure; The junction of this folder shape structure and pedestal closely cooperates, and the Access Division in this end cap is L-shaped, and this Access Division is fastened on the two ends of light source.

5. LED fluorescent tube according to claim 1; It is characterized in that: said diffuser is an arc cover body; The radius of this diffuser is consistent with the cambered surface radius of pedestal, and the shape of this diffuser edge matches with the shape of draw-in groove, and this edge closely is connected with draw-in groove.