CN201111606Y

CN201111606Y - LED light tube with good heat radiation

Info

Publication number: CN201111606Y
Application number: CNU2007200591100U
Authority: CN
Inventors: 林景辉
Original assignee: Individual
Current assignee: Individual
Priority date: 2007-10-29
Filing date: 2007-10-29
Publication date: 2008-09-10
Anticipated expiration: 2017-10-29

Abstract

The utility model relates to the technical field of light emitting diodes (LED) and discloses an LED lighting tube with good radiation, which has the following structure: a clamping groove that is used for splicing an LED lamp panel and a tenon slot that is used for splicing a light inletting shade are symmetrically arranged at two sides of an upper shade that is made of metallic material along the length direction, steps that are used for clamping an end cover are respectively and inwardly arranged on the external surfaces at two ends of the upper shade, at least one row of LED lamps serially and parallelly connected are fixed on the front surface of the LED lamp panel, dummy clubs that can be inserted into the clamping groove of the upper shade are symmetrically arranged at two sides of the strip light inletting shade, steps that are used for clamping the end cover are respectively arranged on the external surfaces at two ends of the light inletting shade. After the LED lamp panel and the light inletting shade are respectively inserted into the clamping groove and the tenon slot of the upper shade, an end is closed by the end cover, and a post head that is connected with an anode and a cathode of a lamp drive board is arranged at the bottom of the end cover. The LED lighting tube has the advantages of good radiation, convenient use, energy conservation and long service life, and can be popularized and applied in various lamps that are characterized by daylight lamp bases.

Description

Good LED fluorescent tube dispels the heat

Technical field:

The utility model relates to light emitting diode (LED) technical field, refers in particular to a kind of LED fluorescent tube that dispels the heat good.

Background technology:

Light emitting diode (LED) is a kind of semiconductor solid luminescence device, it is to utilize the solid semiconductor wafer as luminescent material, when two ends add forward voltage, carrier in the semiconductor takes place compoundly to cause photo emissions and produce light, be the most popular current light source technology, the characteristics of led light source are: energy-conservation: consumed energy reduces 80% with the incandescent lamp of light efficiency; Use low-tension supply (between 6-24V), security is good; Volume is little, can be prepared into the device of different shape; Life-span is long; Response time is fast: the response time of incandescent lamp is a Millisecond, and the response time of LED lamp is a nanosecond; No poisonous metal mercury is to pollution of environment etc., and along with the Application and Development of high-powered LED lamp, the LED lamp has developed from the direction of spot light to functional illumination, and development prospect is incomparably wide.

Yet, the application of present LED lamp, particularly white LED lamp, because problems such as lamp body heat radiation, syndeton are still unresolved, it is very few to cause the application product of white LED lamp to fail the product of introducing to the market or introducing to the market so far.

Summary of the invention:

The purpose of this utility model provides a kind of LED fluorescent tube that can be good with the matching used heat radiation of daylight base.

The utility model is achieved in that the LED fluorescent tube that heat radiation is good, it is characterized in that including:

Cover on one: its cross section is the strip of D shape, the both sides of cover are symmetrically arranged with the draw-in groove of the LED lamp plate of can pegging graft and the tongue-and-groove of grafting diffuser along its length on making of metal material, and the outer surface at last cover two ends inwardly is provided with the step of clamping end closure respectively;

One LED lamp plate: be fixed with at least one row LED lamp on the front of the rectangular LED lamp plate of making of metal material, the both positive and negative polarity of lamp plate is drawn with electric wire respectively;

One diffuser: its cross section is the strip of an arc, bilateral symmetry at the strip diffuser is provided with the boss that can insert in the draw-in groove that covers, but the outer surface at the diffuser two ends is respectively arranged with the step of clamping end closure, and diffuser and last cover and LED lamp plate are isometric;

Two end closures: be a bowl cover body, inner surface at its openend is provided with an annular groove, behind the draw-in groove and tongue-and-groove that LED lamp plate and diffuser are inserted cover respectively, end closure snaps in the step of diffuser and last cover from two ends after, the outer surface of end closure and diffuser and last cover forms the surface of an even transition, in the bottom of two end closures all to being outside equipped with two binding posts, the two ends binding post links together with lead respectively, the back is connected with the input of drive plate with lead, and the electric wire of lamp plate both positive and negative polarity links to each other with the output both positive and negative polarity of drive plate.

Be provided with cambered outwards raised line on the inner surface of the tongue-and-groove both sides of cover on above-mentioned, on the outer surface of the boss both sides of described diffuser, be provided with the groove that can snap in the raised line.

In the annular groove of two above-mentioned end closures, diffuser and on the cover step in be coated with adhesive.

Cover also can be at metal rectangular upper surface heat sink strip more than two to be set on the metal of the strip of above-mentioned D shape cross section, be respectively arranged with the draw-in groove of the LED lamp plate of can pegging graft and the tongue-and-groove of grafting diffuser downwards in rectangular both sides, outer surface at last cover two ends inwardly is provided with the step of clamping end closure respectively, the then corresponding bowl cover body that is set to semicircle of end closure.

The outstanding compared to existing technology advantage of the utility model is:

1, heat radiation is good: upward cover 10 of the present utility model and LED lamp plate 20 all adopt metallic object, and the radiating rate of LED wick sheet is accelerated, and the rate of decay of light slows down, and the working life of LED lamp prolongs.

2, easy to use: the binding post 401 on the end closure 40 of the present utility model is identical with the binding post that the fluorescent lamp of using is gone up by present society, can directly use on present daylight lamp holder, has made things convenient for consumer's use habit.

3, energy-conservation, long-lived: because that the LED lamp itself has a little power consumption, life-span is long, it is applied and will be country and a large amount of electric energy of family's saving.

4, the utility model can be applicable in the various light fixtures that with the daylight lamp holder are characteristics.

Description of drawings:

Fig. 1 is the utility model cutaway view along its length;

Fig. 2 is that the A-A of Fig. 1 is to cutaway view;

Fig. 3 is a sectional perspective schematic diagram of going up cover 10 of the present utility model;

Fig. 4 is the sectional perspective schematic diagram of diffuser 30 of the present utility model;

Fig. 5 is the B place enlarged diagram of Fig. 3;

Fig. 6 is the C place enlarged diagram of Fig. 4;

Fig. 7 is the schematic perspective view of end closure 40 of the present utility model;

Fig. 8 is the sectional perspective schematic diagram of LED lamp plate 20 of the present utility model;

The specific embodiment:

With specific embodiment the utility model is further described below:

Referring to Fig. 1-8: the good LED fluorescent tube that dispels the heat is characterized in that including:

Cover 10 on one: its cross section is the strip of D shape, the both sides of cover 10 are symmetrically arranged with the draw-in groove 102 of the LED lamp plate 20 of can pegging graft and the tongue-and-groove 104 of grafting diffuser 30 along its length on making of metal material, and the outer surface at last cover 10 two ends inwardly is provided with the step 105 of clamping end closure 40 respectively;

One LED lamp plate 20: on the front of the rectangular LED lamp plate of making of metal material 20, be fixed with at least one row LED lamp 201, the both positive and negative polarity that is each LED lamp is connected on the both positive and negative polarity 203 and 204 on the lamp plate 20 by series-parallel system, with electric wire 202 both positive and negative polarity 203 and 204 is drawn again;

One diffuser 30: its cross section is the strip of an arc, boss 301 in the bilateral symmetry of strip diffuser 30 is provided with the draw-in groove 102 that can insert cover 10, both sides at boss 301 have

shoulder

302 and 303 respectively, but the outer surface at diffuser 30 two ends is respectively arranged with the step 305 of clamping end closure 40, and diffuser 30 and last cover 10 are isometric;

Two end closures 40: be a bowl cover body, inner surface at its openend is provided with an annular groove 402, after LED lamp plate 20 and diffuser 30 are inserted the draw-in groove 102 and tongue-and-groove 104 of cover 10 respectively, end closure 40 snaps in the step 105 of diffuser 30 and last cover 10 from two ends, after in 305, the outer surface of end closure 40 and diffuser 30 and last cover 10 forms the surface of an even transition, the outside horizontal plane 101 of the D body on the last cover 10 and the inwall of draw-in groove 102 contact closely with LED lamp plate 20, be beneficial to heat conduction and heat radiation, play the firm metamorphosis that prevents to manage simultaneously, in the bottom of two end closures 40 all to being outside equipped with two binding posts 401, two ends binding post 401 links together with lead 210 respectively, the back is connected with the input of drive plate 208 with lead 209, the electric wire 203 of lamp plate 20 both positive and negative polarities, 204 link to each other with the output both positive and negative polarity of drive plate (208), and the binding post 401 at two ends can directly be connected with 220VAC.

Be provided with cambered outwards raised line 103 on the inner surface of tongue-and-groove 104 both sides of cover 10 on above-mentioned, on the outer surface of boss 301 both sides of described diffuser 30, be provided with the groove 304 that can snap in the raised line 103.

In the annular groove 402 of two above-mentioned end closures 40, diffuser 30 and on be coated with adhesive in cover 10 the step 105,305.

Cover 10 also can be at metal rectangular upper surface heat sink strip more than two to be set on the metal of the strip of above-mentioned D shape cross section, can the peg graft draw-in groove 102 of LED lamp plate 20 and the tongue-and-groove 104 of grafting diffuser 30 are set respectively downwards in rectangular both sides, outer surface at last cover 10 two ends inwardly is provided with the step 105 of clamping end closure 40 respectively, and 40 correspondences of end closure are set to the bowl cover body of semicircle.

Claims

1, the good LED fluorescent tube of heat radiation is characterized in that including:

Cover (10) on one: its cross section is the strip of D shape, the both sides of cover (10) are symmetrically arranged with the draw-in groove (102) of LED lamp plate (20) of can pegging graft and the tongue-and-groove (104) of grafting diffuser (30) along its length on making of metal material, and the outer surface at last cover (10) two ends inwardly is provided with the step (105) of clamping end closure (40) respectively;

One LED lamp plate (20): be fixed with at least one row LED lamp (201) on the front of the rectangular LED lamp plate of making of metal material (20), the both positive and negative polarity of lamp plate (20) (203,204) uses lead (202) to draw respectively;

One diffuser (30): its cross section is the strip of an arc, bilateral symmetry at strip diffuser (30) is provided with the boss (301) that can insert in the draw-in groove (102) that covers (10), at diffuser (30) but the outer surface at two ends is respectively arranged with the step (305) of clamping end closure (40), diffuser (30) and last cover (10) are isometric;

Two end closures (40): be the G13 daylight crown top of burner, after LED lamp plate (20) and diffuser (30) are inserted the draw-in groove (102) and tongue-and-groove (104) of cover (10) respectively, end closure (40) snaps in the step (105 of diffuser (30) and last cover (10) from two ends, 305) after in, the outer surface of end closure (40) and diffuser (30) and last cover (10) forms the surface of an even transition, in the bottom of two end closures (40) all to being outside equipped with two binding posts (401), two ends binding post (401) uses lead (210) to link together respectively, the back is connected the electric wire (203 of lamp plate (20) both positive and negative polarity with lead (209) with the input of drive plate (208), 204) the output both positive and negative polarity with drive plate (208) links to each other.

2, the good LED fluorescent tube of heat radiation according to claim 1, it is characterized in that being provided with cambered outwards raised line (103) on the inner surface of tongue-and-groove (104) both sides of cover (10) on described, on the outer surface of boss (301) both sides of described diffuser (30), be provided with the groove (304) that can snap in the raised line (103).

3, the good LED fluorescent tube of heat radiation according to claim 1 is characterized in that in described two end closures (40), is coated with adhesive in the step (105,305) of diffuser (30) and last cover (10).

4, the good LED fluorescent tube of heat radiation according to claim 1, it is characterized in that cover (10) on the metal of strip of described D shape cross section also can be at metal rectangular upper surface heat sink strip more than two to be set, be respectively arranged with the draw-in groove (102) of LED lamp plate (20) of can pegging graft and the tongue-and-groove (104) of grafting diffuser (30) downwards in rectangular both sides, outer surface at last cover (10) two ends inwardly is provided with the step (105) of clamping end closure (40) respectively, the then corresponding bowl cover body that is set to semicircle of end closure (40).