CN201983067U

CN201983067U - Double-tube light-emitting diode (LED) fluorescent lamp

Info

Publication number: CN201983067U
Application number: CN201120110094XU
Authority: CN
Inventors: 许绩清
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-04-14
Filing date: 2011-04-14
Publication date: 2011-09-21
Anticipated expiration: 2021-04-14

Abstract

The utility model discloses a double-tube light-emitting diode (LED) fluorescent lamp, which comprises a transparent lower cover, a printed circuit board (PCB) with an LED lamp bead, an upper cover, a lamp foot, lamp heads and a driving circuit used for driving the LED lamp bead. The transparent lower cover comprises two parts, namely a left part and a right part; a convex edge is arranged on the inner wall of the top of the transparent lower cover; the cross section of the upper cover is lower frame-shaped; first grooves are formed on the two pairs of side faces of the upper cover; the transparent lower cover and the upper cover are connected with the first grooves through the convex edge; the PCB is arranged in the upper cover; the driving circuit is arranged at the position approximately above the PCB; the number of the lamp heads is two; the two lamp heads are arranged at the two ends of the LED fluorescent lamp respectively; and the lamp foot is fixedly connected with the lamp heads. The transparent lower cover of the LED fluorescent lamp is designed into a combination body of two ordinary transparent lower covers, so the space in a lamp tube is increased, and the illumination effect is better. Four prismatic strips are arranged on the outer side faces of the upper cover, so the radiating area of the LED lamp is increased and the radiation effect is obviously improved. Two elastic clamps are arranged on the upper cover, so the upper cover is convenient to mount through the elastic clamps . The driving circuit comprises a sound control circuit and a light control circuit.

Description

Two-tube LED fluorescent lamp

Technical field

The utility model relates to a kind of two-tube LED fluorescent lamp that comprises pcb board, loam cake, lamp base, the lamp holder of translucent lower cover, band LED lamp pearl and be used for driving LED lamp pearl drive circuit.

Background technology

Traditional LED fluorescent lamp heat radiation effect is bad, the long-time use just may be because heat radiation official post lamp internal temperature be too high, burn out lead and electric elements, cause short circuit, service life is short, in order to address the above problem, Chinese patent literature CN 101201153 discloses a kind of LED fluorescent tube, comprise substrate, LED lamp and heat sink, substrate is provided with penetrating mounting holes, the LED lamp is installed in this installing hole, and the electrode of LED lamp is connected in substrate front side, is abutted against mutually between the heat-conducting plate of LED lamp and the heat sink and constitutes direct heat to conduct, be abutted against mutually between the heat-conducting plate of LED lamp and the heat sink and constitute direct heat and conduct, a large amount of heats that the heat-conducting plate of this LED lamp produces when luminous directly are transmitted to heat sink by heat exchange pattern heat, form electric heating and separate, and radiating rate is fast, good heat dissipation effect, heat radiation fully.The space is little in this LED fluorescent-lamp tube, and illuminating effect is bad, and utilization rate is low, and mounting means is single.

The utility model content

The purpose of this utility model is at the problems referred to above, provides a kind of Novel LED fluorescent lamp to society, and translucent lower cover is designed to the assembly of two common translucent lower covers, has increased space in the fluorescent tube, and illumination effect is better, and utilization rate of electrical is higher.

The technical solution of the utility model is: designed a kind of two-tube LED fluorescent lamp, comprise pcb board, loam cake, lamp base, the lamp holder of translucent lower cover, band LED lamp pearl and be used for driving LED lamp pearl drive circuit, described translucent lower cover comprises left and right two parts, translucent lower cover top inner wall is provided with the convex edge, the cross section of described loam cake is a lower frame, two pairs of sides of loam cake are provided with first groove, and translucent lower cover is connected with first groove by the convex edge with loam cake; Described pcb board is arranged in the loam cake; Described drive circuit is arranged near the pcb board top; Described lamp holder comprises left and right two, is separately positioned on LED fluorescent lamp two ends, and described lamp base is fixedlyed connected with lamp holder.

As to improvement of the present utility model, described LED lamp pearl adopts parallel way to connect.

As to further improvement of the utility model, described loam cake side is provided with photographic hole, faces the photographic hole position and be provided with sensitive probe in described loam cake.

As to further improvement of the utility model, four lateral surfaces of described loam cake are provided with the prismatic bar that is used to increase LED lamp area of dissipation.

As to further improvement of the utility model, described loam cake inboard is provided with the pcb board slot, and described pcb board is arranged in the pcb board slot.

As to further improvement of the utility model, an above pcb board is set in described loam cake, connect by series system between the pcb board.

As to further improvement of the utility model, described lamp holder also comprises end socket, is provided with second groove on described lamp holder top, and described end socket is buckled in described second groove.

As to further improvement of the utility model, described lamp holder also comprises upper and lower two parts, described lamp holder top comprises contiguous block, the profile of the profile of described contiguous block, size and loam cake cavity inboard, measure-alike, lamp holder and loam cake join by contiguous block, described lamp holder bottom is provided with and transparent lower cover cross sectional shape, measure-alike cavity, and transparent lower cover inserts in the described cavity.

As to further improvement of the utility model, near described loam cake two ends, respectively be provided with a square hole, described lamp holder also comprises shell fragment, described lamp holder embeds square hole by shell fragment and is connected with loam cake.

As to further improvement of the utility model, cover on described and be provided with two elasticity cards, described elasticity card upper bottom surface is provided with tapped through hole, and described loam cake two sides are provided with outstanding limit, and described two elasticity cartoons are crossed outstanding limit and are connected with loam cake elasticity.

Translucent lower cover of the present utility model is designed to the assembly of two common translucent lower covers, has increased space in the fluorescent tube, and illumination effect is better, and utilization rate of electrical is higher; The lateral surface of loam cake is provided with prismatic bar, has increased the area of dissipation of LED lamp, radiating effect be improved significantly; On cover and be provided with two elasticity cards, in the time can not using lamp base to install, can install by the elasticity card; Drive circuit comprises sound control circuit and light-operated circuit, also can use as usual under some particular surroundings.

Description of drawings

Fig. 1 is the decomposition texture schematic diagram of a kind of embodiment of the present utility model;

Fig. 2 is a perspective view of the present utility model.

Fig. 3 is a plan structure schematic diagram of the present utility model.

Fig. 4 is the circuit theory schematic diagram of drive circuit in the utility model.

Fig. 5 is the circuit connection diagram of LED lamp pearl.

The specific embodiment

See also Fig. 1 to Fig. 2, Fig. 1 to Fig. 2 is a kind of two-tube LED fluorescent lamp with disclosing, comprise pcb board, loam cake, lamp base, the lamp holder of translucent lower cover, band LED lamp pearl and be used for driving LED lamp pearl drive circuit, described translucent lower cover 1 comprises left and right two

parts

11,12, translucent lower cover 1 top inner wall is provided with convex edge 11, the cross section of described loam cake 2 is lower frames, and 2 two pairs of sides of loam cake are provided with first groove 21, and transparent lower cover 1 is connected with first groove 21 by convex edge 11 with loam cake 2; Described pcb board 3 is arranged in the loam cake 2; Described drive circuit 4 is arranged near pcb board 3 tops; Described lamp holder 6 comprises left and right two, is separately positioned on LED fluorescent lamp two ends, and described lamp base 5 is fixedlyed connected with lamp holder 6, is connected with suspension element by lamp base 5 during installation, and is fast convenient.

In the utility model, described drive circuit 4 adopts the insulating cements parcel to be placed in the fluorescent tube, if when loam cake adopts the bad material of insulating properties, also can not spread out of the safety coefficient height by loam cake under drive circuit short circuit or electric leakage situation; Described drive circuit 4 comprises sound control circuit and light-operated circuit, described loam cake 2 sides are provided with photographic hole 25, in described loam cake 2, face photographic hole 25 positions and be provided with sensitive probe, sensitive probe can judge brightness, the power of light, some occasion need keep the lamp light yellow always after darkness, use the LED lamp of band light-operated circuit just can realize this function, the LED lamp is opened automatically when brightness drops to a certain degree, when being increased to a certain degree, brightness closes automatically, do not need the people to close, use easily for going to open; Do not need lamp light yellow always in some occasion, as long as the people is being arranged through out-of-date light yellow, use the LED lamp of band sound control circuit just can realize, the people sounds through out-of-date meeting, regularly the LED lamp will be light automatically as long as the decibel of the sound that sends reaches one, can knock out automatically again behind the bright certain hour of LED lamp, not only power saving but also convenient.

In the utility model, four lateral surfaces of described loam cake 2 are provided with the prismatic bar that is used to increase LED lamp area of dissipation, and radiating effect is better, and the LED lamp just can not burn out the longer service life of LED lamp because temperature in the pipe is too high like this.

In the utility model, described loam cake 2 inboards are provided with pcb board slot 22, and described pcb board 3 is arranged in the pcb board slot 22.An above pcb board 3 is set in described loam cake 2, connects by series system between the pcb board 3, only can not satisfy instructions for use sometimes, just can so just can satisfy instructions for use to the use that is together in series of several pcb boards with a pcb board.

In the utility model, described lamp holder 6 comprises upper and lower two

parts

61,62, described lamp holder top 61 comprises contiguous block 611, the profile of the profile of described contiguous block 611, size and loam cake 2 cavity inboards, measure-alike, lamp holder 6 and loam cake 2 join by contiguous block 611, and described lamp holder bottom 62 is provided with and transparent lower cover 1 cross sectional shape, measure-alike cavity 621, and transparent lower cover 1 inserts in the described cavity 621; Described lamp holder 6 also comprises end socket 7, is provided with second groove 63 on described lamp holder top 61, and described end socket 7 is buckled in described second groove 63, during use end socket 7 is taken out, and end socket is buckled in second groove 63 when not using, and exquisite appearance is good-looking.

See also Fig. 3, Fig. 3 is the plan structure schematic diagram of LED fluorescent lamp, the as can be seen from the figure architectural feature of LED fluorescent lamp loam cake and elasticity card 8, near described loam cake 2 two ends, respectively be provided with a square hole 24, described lamp holder 6 also comprises shell fragment 612, uses when installing, and lamp holder 6 firmly is in the same place with loam cake 2 jam-packeds, the stressed effects of shell fragment 612 embed in the square holes 24, can lamp holder 6 be connected with loam cake 2 very firm; On described loam cake 2, be provided with two elasticity cards 8, described elasticity card 8 upper bottom surfaces are provided with tapped through hole 81, described loam cake 2 two sides are provided with outstanding limit 23, when installing and using, passing tapped through hole 81 with two screws fixedlys connected elasticity card 8 with ceiling, after elasticity card 8 was fixed, loam cake 2 just can link together with elasticity card 8 elasticity by outstanding limit 23, and the LED fluorescent lamp has just installed; The mounting means of LED fluorescent lamp can also adopt unusual a kind of mode in the present embodiment, upper bottom surface at loam cake 2 is provided with four through holes 26, and during installation, the suspension hook that passes on four through holes 26 and the ceiling by four suspension lines is connected, easy for installation, use very flexible.

See also Fig. 4, Fig. 4 is the circuit theory schematic diagram of drive circuit of the present utility model.The civil power of 220V changes direct current into through the whole circuit of bridge again after the transformer step-down, direct current offers the LED lamp after the constant pressure and flow circuit filtering is handled, the work of driving LED fluorescent lamp.

See also Fig. 5, Fig. 5 is the circuit connection diagram of LED lamp pearl, and LED lamp pearl adopts parallel way to connect, and can not go bad because of one of them in use and cause other all can not use, and service efficiency is higher; Common LED lamp adopts the use that is cascaded of three LED lamp pearls, and when one of them had been gone bad, other lamp pearl all can not be used, and the LED lamp has just been scrapped and can not have been used, and is in use very inconvenient, improved use cost, and efficient is low again.

Claims

1. two-tube LED fluorescent lamp, comprise pcb board, loam cake, lamp base, the lamp holder of translucent lower cover, band LED lamp pearl and be used for driving LED lamp pearl drive circuit, it is characterized in that: described translucent lower cover (1) comprises left and right two parts (11,12), translucent lower cover (1) top inner wall is provided with convex edge (13), the cross section of described loam cake (2) is a lower frame, (2) two pairs of sides of loam cake are provided with first groove (21), and described translucent lower cover (1) is connected with first groove (21) by convex edge (13) with loam cake (2); Described pcb board (3) is arranged in the loam cake (2); Described drive circuit (4) is arranged near pcb board (3) top; Described lamp holder (6) comprises left and right two, is separately positioned on LED fluorescent lamp two ends, and described lamp base (5) is fixedlyed connected with lamp holder (6).

2. two-tube LED fluorescent lamp according to claim 1 is characterized in that: described LED lamp pearl (31) adopts parallel way to connect.

3. two-tube LED fluorescent lamp according to claim 1 and 2 is characterized in that: described loam cake (2) side is provided with photographic hole (25), faces photographic hole (25) position and be provided with sensitive probe in described loam cake (2).

4. two-tube LED fluorescent lamp according to claim 3 is characterized in that: four lateral surfaces of described loam cake (2) are provided with the prismatic bar that is used to increase LED lamp area of dissipation.

5. two-tube LED fluorescent lamp according to claim 4 is characterized in that: described loam cake (2) inboard is provided with pcb board slot (22), and described pcb board (3) is arranged in the pcb board slot (22).

6. two-tube LED fluorescent lamp according to claim 5 is characterized in that: an above pcb board (3) is set in described loam cake (2), and pcb board connects by series system between (3).

7. two-tube LED fluorescent lamp according to claim 6 is characterized in that: described lamp holder (6) comprises end socket (7), is provided with second groove (63) on described lamp holder top (61), and described end socket (7) is buckled in described second groove (63).

8. two-tube LED fluorescent lamp according to claim 7, it is characterized in that: described lamp holder (6) also comprises upper and lower two parts (61,62), described lamp holder top (61) comprises contiguous block (611), the profile of profile, size and loam cake (2) the cavity inboard of described contiguous block (611), measure-alike, lamp holder (6) and loam cake (2) join by contiguous block (611), described lamp holder bottom (62) is provided with and translucent lower cover (1) cross sectional shape, measure-alike cavity (621), and translucent lower cover (1) inserts in the described cavity (621).

9. two-tube LED fluorescent lamp according to claim 8, it is characterized in that: near described loam cake (2) two ends, respectively be provided with a square hole (24), described lamp holder (6) also comprises shell fragment (612), and described lamp holder (6) embeds square hole (24) by shell fragment (612) and is connected with loam cake (2).

10. two-tube LED lamp according to claim 9, it is characterized in that: on described loam cake (2), be provided with two elasticity cards (8), described elasticity card (8) upper bottom surface is provided with tapped through hole (81), described loam cake (2) two sides are provided with outstanding limit (23), and described two elasticity cards (8) are connected with loam cake (2) elasticity by outstanding limit (23).