CN201437913U - LED lamp tube - Google Patents

LED lamp tube Download PDF

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Publication number
CN201437913U
CN201437913U CN2009201090832U CN200920109083U CN201437913U CN 201437913 U CN201437913 U CN 201437913U CN 2009201090832 U CN2009201090832 U CN 2009201090832U CN 200920109083 U CN200920109083 U CN 200920109083U CN 201437913 U CN201437913 U CN 201437913U
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CN
China
Prior art keywords
fluorescent tube
semicircle
fixed
nontransparent
draw
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
CN2009201090832U
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Chinese (zh)
Inventor
杜颖
李锦�
曾五一
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.)
BEIJING LAMPEARL PHOTOELECTRIC CO LTD
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BEIJING LAMPEARL PHOTOELECTRIC CO LTD
Priority date (The priority date 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 date listed.)
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Publication date
Application filed by BEIJING LAMPEARL PHOTOELECTRIC CO LTD filed Critical BEIJING LAMPEARL PHOTOELECTRIC CO LTD
Priority to CN2009201090832U priority Critical patent/CN201437913U/en
Application granted granted Critical
Publication of CN201437913U publication Critical patent/CN201437913U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses an LED lamp tube, which comprises a non-transparent semi-circular lower-half tube body, an aluminum substrate, an LED, a transparent semi-circular upper-half tube body and a lamp cap; the transparent semi-circular upper-half tube body is connected with the non-transparent semi-circular lower-half tube body; the aluminum substrate is fixed at the inner side of the non-transparent lower-half tube body along the direction which is parallel to the diameter of the non-transparent lower-half tube body; the LED is fixed at one surface of the aluminum substrate which faces towards the upper-half tube body; the lamp cap is fixed on two ends of the non-transparent semi-circular lower-half tube body and the transparent semi-circular upper-half tube body; and the non-transparent semi-circular lower-half tube body comprises a plurality of heat radiation fins which are vertical to the diameter direction of the lower-half tube body. The lower-half tube body comprises the plurality of heat radiation fins, so not only the heat radiation area is increased, but also the heat radiation fins can accelerate the convection of the air, and the heat radiation efficiency of the LED lamp tube can be improved.

Description

A kind of LED fluorescent tube
Technical field
The utility model relates to a kind of lighting device, particularly a kind of LED fluorescent tube.
Background technology
Along with people are more and more higher to the requirement of environmental protection lighting, light emitting diode (Light Emitting Diode with plurality of advantages such as low energy consumption, high light efficiency, long service life, LED) illuminating lamp tube replaces traditional fluorescent tube gradually, and begins to be widely used in room lighting.
The service life of existing LED fluorescent tube and the operating temperature of led light source are closely related, and the radiating effect of LED fluorescent tube has determined the service life of led light source.Fig. 1 is the front view of existing LED fluorescent tube, and Fig. 2 is the cutaway view of existing LED fluorescent tube.In conjunction with Fig. 1 and Fig. 2, the radiator structure that has the LED fluorescent tube now is described, specific as follows: existing LED fluorescent tube comprises upper body half 10, second body 21, the crown top of burner 12, lamp plate 13, LED14 and lamp pin 15.The body of LED fluorescent tube comprises the upper body half of being made by aluminum alloy materials 10 and is fixed in second body 21 that the transparent or semitransparent material of described upper body half 10 is made; Upper body half 10 comprises the aluminium base 103 of the heat that first draw-in groove 101 that is used for fixing second body 21, second draw-in groove 102 that is used for fixing lamp plate 13 and conduction lamp plate 13 produce; Second body 21 comprises the trip 111 that is connected in upper body half 10 first draw-in grooves 101; Lamp plate 13 is fixed in second draw-in groove 102 of upper body half 10 in the mode of clamping; LED14 is fixed in the one side of lamp plate 13 towards second body 21; The crown top of burner 12 is fixed in the body two ends of LED fluorescent tube; Lamp pin 26 1 ends connect the drive circuit of LED fluorescent tube, and the other end passes the crown top of burner 12 and is connected with external power source; The input of drive circuit connects external power source by lamp pin 15, and output connects lamp plate 13, and drive circuit is converted to constant DC with the external communication electricity and exports LED14 to by lamp plate 13.The heat that LED14 produces conducts to aluminium base 103 by lamp plate 13, and conducts by the upper body half 10 of aluminum alloy materials.Though existing LED fluorescent tube can dispel the heat by the upper body half 10 of aluminum alloy materials, if produce a large amount of heats in the great power LED fluorescent tube short time, rely on the upper body half of the aluminum alloy materials of existing LED fluorescent tube in the short time heat to be distributed, radiating effect is not good, influence the luminous efficiency of LED fluorescent tube, and can shorten the service life of LED fluorescent tube.
In a word, the radiating effect of existing LED fluorescent tube is not good, and radiating efficiency is lower, influences the luminous efficiency and the service life of LED fluorescent tube.
The utility model content
In view of this, main purpose of the present utility model is to provide a kind of LED fluorescent tube, can improve radiating efficiency.
For achieving the above object, the technical solution of the utility model specifically is achieved in that
A kind of LED fluorescent tube is characterized in that, this fluorescent tube comprises: second body of nontransparent semicircle, aluminium base, LED, a transparent semicircle upper body half and a crown top of burner;
Described transparent semicircle upper body half is connected on second body of nontransparent semicircle;
Described aluminium base is fixed in the inboard of described nontransparent second body along the direction that is parallel to described nontransparent second pipe diameter;
Described LED is fixed in the one side of described aluminium base towards upper body half;
The described crown top of burner is fixed in the two ends of described second body of nontransparent semicircle and transparent semicircle upper body half;
Described second body of nontransparent semicircle comprises that multi-disc is perpendicular to the diametric radiating fin of second body.
In the above-mentioned fluorescent tube, described second body of nontransparent semicircle further comprises first draw-in groove that the lateral invagination bending of two top edges becomes, in second body inboard at second draw-in groove between first draw-in groove and the through hole be arranged in the through hole of the entity below the lower surface of second draw-in groove.
In the above-mentioned fluorescent tube, described multi-disc is fixed in the lower surface of described second draw-in groove lower surface and described through hole place entity perpendicular to the diametric radiating fin of second body.
In the above-mentioned fluorescent tube, described multi-disc constitutes the semicircle outer surface of described second body perpendicular to the outer surface of the diametric radiating fin of second body.
In the above-mentioned fluorescent tube, described transparent semicircle upper body half comprises the trip that is fixed in described second body first draw-in groove that is formed by the inside bending of upper body half two lower limbs.
In the above-mentioned fluorescent tube, the described aluminium base that is fixed in second body adopts the mode of clamping to be fixed in second draw-in groove of described second body.
In the above-mentioned fluorescent tube, the described crown top of burner adopts the mode of screw to be fixed in the two ends of the external side of lower tube half.
In the above-mentioned fluorescent tube, described nontransparent second body is an aluminium alloy; Described transparent upper body half is plastics or glass.
Preferably, described fluorescent tube further comprises drive circuit;
Described drive circuit is converted to constant DC stream with the alternating current of AC power output, exports described aluminium base to.
As seen from the above technical solutions, the utility model proposes a kind of LED fluorescent tube, this fluorescent tube comprises second body of nontransparent semicircle, aluminium base, LED, a transparent semicircle upper body half and a crown top of burner; Transparent semicircle upper body half is connected on second body of nontransparent semicircle; Aluminium base is fixed in the inboard of nontransparent second body along the direction that is parallel to nontransparent second pipe diameter; LED is fixed in the one side of described aluminium base towards upper body half; The crown top of burner is fixed in the two ends of described second body of nontransparent semicircle and transparent semicircle upper body half; Second body of nontransparent semicircle comprises that multi-disc is perpendicular to the diametric radiating fin of second body.Second body comprises the multi-disc radiating fin in the utility model fluorescent tube, has not only increased area of dissipation, and radiating fin can quicken cross-ventilation, has improved the radiating efficiency of LED fluorescent tube.
Description of drawings
Fig. 1 is existing LED fluorescent tube front view.
Fig. 2 is existing LED fluorescent tube cutaway view.
Fig. 3 is the front view of the utility model LED fluorescent tube.
Fig. 4 is the structural representation of the utility model LED fluorescent tube.
Fig. 5 is the cutaway view of the utility model LED fluorescent tube.
Fig. 6 is the circuit connection diagram of the utility model LED fluorescent tube.
The specific embodiment
For make the purpose of this utility model, technical scheme, and advantage clearer, below with reference to the accompanying drawing embodiment that develops simultaneously, the utility model is further described.
In the utility model, a kind of LED fluorescent tube has been proposed in order to solve prior art problems, this LED fluorescent tube comprises second body of nontransparent semicircle, aluminium base, LED, a transparent semicircle upper body half and a crown top of burner; Transparent semicircle upper body half is connected on second body of nontransparent semicircle; Aluminium base is fixed in the inboard of nontransparent second body along the direction that is parallel to described nontransparent second pipe diameter; LED is fixed in the one side of aluminium base towards upper body half; The crown top of burner is fixed in the two ends of second body of nontransparent semicircle and transparent semicircle upper body half; Second body of nontransparent semicircle comprises that multi-disc is perpendicular to the diametric radiating fin of second body.
With reference to Fig. 3, Fig. 4, Fig. 5 and Fig. 6 the structure of the utility model LED fluorescent tube is described, specific as follows:
The utility model LED fluorescent tube comprises body, aluminium base 22, LED23, the crown top of burner 25, lamp pin 26, screw 27 and drive circuit 28.Wherein, body comprises second body 21 and upper body half 24.
Second body 21 is nontransparent semicircle metallic object, can adopt aluminium alloy or other conductibility preferred metal materials.Direction along two top edges of second body 21 to the circular arc bottom surface, second body 21 comprises first draw-in groove 2101, second draw-in groove 2102, through hole 2103 and radiating fin 2104.Wherein, first draw-in groove 2101 is the groove that two top edge lateral invagination bendings of second body 21 become, and is used for clamping upper body half 24; Second draw-in groove 2102 is positioned at second body 21 inboards, and between first draw-in groove 2101 and through hole 2103, is used for clamping aluminium base 22; Through hole 2103 is positioned at the metal solid of second draw-in groove, 2102 belows, and is symmetrically distributed about the center line of second body 21, and the circuit connecting wire that is positioned at 25 of the crown tops of burner of LED lamp tube ends connects by through hole 2103; Radiating fin 2104 is positioned at the lower surface and the through hole 2103 place metal solid lower surfaces of second draw-in groove 2102 of second body 21, multi-disc radiating fin 2104 is perpendicular to the distance of 2104 of second body diametric(al) and adjacent two radiating fins, the outer surface that is positioned at the multi-disc radiating fin 2104 of the lower surface of second draw-in groove 2102 of second body 21 and through hole 2103 place metal solid lower surfaces constitutes the circular arc bottom surface of second body 21, and fin height is circular-arc from high to low by the centre to both sides, and radiating fin 2104 is symmetrically distributed along the center line of second body 21.Radiating fin 2104 will adopt the moulding of die casting mode.
Upper body half 24 is transparent semicircle body, can adopt plastics, glass or other light transmittances and various chemical property material preferably; The two lower limbs bending to the inside of upper body half 24 forms trip 2401, and trip 2401 is connected in first draw-in groove 2101 of second body 21, the size of the trip 2401 and first draw-in groove 2101 coupling.Upper body half 24 is the exiting surface of the utility model LED fluorescent tube.
Aluminium base 22 is connected in second draw-in groove 2102 of second body 21, the size of second draw-in groove 2102 of the thickness of aluminium base 22 and second body 21 coupling, and the one side of aluminium base 22 is fitted with the lower surface of second draw-in groove 2102 of second body 21.Arrangement mode according to LED23 in the aluminium base 22 carries out wiring, is used for exporting the wiring by aluminium base 22 inside of the electric current of LED lamp tube drive circuit 28 output to be fixed in aluminium base 22 surfaces LED23.In the utility model LED fluorescent tube, can be when aluminium base 22 be connected in second draw-in groove 2102 of second body 21, do not smear heat conductive silica gel or heat-conducting silicone grease between second draw-in groove 2102 of the one side of fixed L ED23 and second body 21 at aluminium base 22, increase the compactness that contacts between two surfaces, thereby make heat that LED23 produces by 21 sufficient contacts on the radiating fin 2104 that conducts to second body 21 as early as possible of aluminium base 22 and second body.
A plurality of LED23 be fixed in aluminium base 22 not with second draw-in groove, 2102 lower surface bonding surfaces, and be arranged in many rows.
The crown top of burner 25 is fixed in the body two ends of LED fluorescent tube by the mode of fixing mode of screw or clamping.
Lamp pin 26 1 ends connect the drive circuit 28 of LED fluorescent tube, and the other end passes the crown top of burner 25 and is connected with external ac power source.
The input I of the drive circuit 28 of LED fluorescent tube 0With input I 1Be connected to the AC power of LED lamp tube power supply by lamp pin 26, the output P0 of the drive circuit 28 of LED fluorescent tube is connected the input of aluminium base 22 with output P1, be used for external AC is pressed by ac-dc conversion and step-down processing, be converted to constant DC stream and export aluminium base 22 to, for the LED23 that is fixed in aluminium base 22 surfaces provides operating current.The structure of the drive circuit 28 of the utility model LED fluorescent tube is the content of prior art, does not repeat them here.
Existing LED fluorescent tube has only outer surface of tube body to touch air, and area of dissipation is less, and the inner heat that produces of fluorescent tube can't distribute by outer surface of tube body in the short time; Second body 21 of the utility model adopts the higher metal aluminum or aluminum alloy of heat transfer efficiency, second body 21 that adopts multi-disc radiating fin 2104 to design has increased the area of dissipation of LED fluorescent tube, can make area of dissipation increase 50% to 80%, and radiating fin 2104 fully contacts with air, can make heat that LED23 on the aluminium base 22 produces be dispersed in the air at short notice by the radiating fin 2104 of second body 21, radiating fin 2104 can improve the cross-ventilation speed by the cold air of radiating fin 2104 and high-temperature gas, and then has improved radiating efficiency.
The quantity of the radiating fin 2104 of second body 21 of the utility model LED fluorescent tube and the spacing of adjacent two radiating fins 2104 can be adjusted according to the power of LED fluorescent tube, and the quantity of radiating fin 2104 is directly proportional with the power of LED fluorescent tube, and the power of the spacing of radiating fin 2104 and LED fluorescent tube is inversely proportional to.Among the embodiment of the utility model LED fluorescent tube, radiating fin 2104 is 13, along the center line symmetrical distribution of second body 21.
In sum, be preferred embodiment of the present utility model more than, be not to be used for limiting protection domain of the present utility model.All within spirit of the present utility model and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.

Claims (9)

1. a LED fluorescent tube is characterized in that, this fluorescent tube comprises: second body of nontransparent semicircle, aluminium base, LED, a transparent semicircle upper body half and a crown top of burner;
Described transparent semicircle upper body half is connected on second body of nontransparent semicircle;
Described aluminium base is fixed in the inboard of described nontransparent second body along the direction that is parallel to described nontransparent second pipe diameter;
Described LED is fixed in the one side of described aluminium base towards upper body half;
The described crown top of burner is fixed in the two ends of described second body of nontransparent semicircle and transparent semicircle upper body half;
Described second body of nontransparent semicircle comprises that multi-disc is perpendicular to the diametric radiating fin of second body.
2. fluorescent tube according to claim 1, it is characterized in that, described second body of nontransparent semicircle further comprises first draw-in groove that the lateral invagination bending of two top edges becomes, in second body inboard at second draw-in groove between first draw-in groove and the through hole be arranged in the through hole of the entity below the lower surface of second draw-in groove.
3. fluorescent tube according to claim 2 is characterized in that, described multi-disc is fixed in the lower surface of described second draw-in groove lower surface and described through hole place entity perpendicular to the diametric radiating fin of second body.
4. fluorescent tube according to claim 2 is characterized in that, described multi-disc constitutes the semicircle outer surface of described second body perpendicular to the outer surface of the diametric radiating fin of second body.
5. fluorescent tube according to claim 2 is characterized in that, described transparent semicircle upper body half comprises the trip that is fixed in described second body first draw-in groove that is formed by the inside bending of upper body half two lower limbs.
6. fluorescent tube according to claim 2 is characterized in that, the described aluminium base that is fixed in second body adopts the mode of clamping to be fixed in second draw-in groove of described second body.
7. fluorescent tube according to claim 1 is characterized in that, the described crown top of burner adopts the mode of screw to be fixed in the two ends of the external side of lower tube half.
8. fluorescent tube according to claim 1 is characterized in that, described nontransparent second body is an aluminium alloy; Described transparent upper body half is plastics or glass.
9. fluorescent tube according to claim 1 is characterized in that described fluorescent tube further comprises drive circuit;
Described drive circuit is converted to constant DC stream with the alternating current of AC power output, exports described aluminium base to.
CN2009201090832U 2009-07-06 2009-07-06 LED lamp tube Expired - Fee Related CN201437913U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2009201090832U CN201437913U (en) 2009-07-06 2009-07-06 LED lamp tube

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Application Number Priority Date Filing Date Title
CN2009201090832U CN201437913U (en) 2009-07-06 2009-07-06 LED lamp tube

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CN201437913U true CN201437913U (en) 2010-04-14

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101956916A (en) * 2010-08-13 2011-01-26 深圳市友亿成照明有限公司 LED lamp tube
CN101956915A (en) * 2010-08-13 2011-01-26 深圳市友亿成照明有限公司 LED lamp tube
CN101956917A (en) * 2010-08-13 2011-01-26 深圳市友亿成照明有限公司 LED lighting tube
CN102062321A (en) * 2010-12-24 2011-05-18 东莞宏灿光电制品有限公司 LED lamp tube
WO2012000224A1 (en) * 2010-07-01 2012-01-05 Wong Raymond Led lamp tube
CN103228987A (en) * 2010-12-02 2013-07-31 欧司朗有限公司 Process for producing LED lamp and corresponding LED lamp
CN104344382A (en) * 2013-07-26 2015-02-11 集邦联合制造股份有限公司 Heat dissipation lamp cap of LED lamp tube
CN106939988A (en) * 2017-05-10 2017-07-11 湖州明朔光电科技有限公司 Road lighting light source module, light fixture and illuminator lamp

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012000224A1 (en) * 2010-07-01 2012-01-05 Wong Raymond Led lamp tube
CN101956916A (en) * 2010-08-13 2011-01-26 深圳市友亿成照明有限公司 LED lamp tube
CN101956915A (en) * 2010-08-13 2011-01-26 深圳市友亿成照明有限公司 LED lamp tube
CN101956917A (en) * 2010-08-13 2011-01-26 深圳市友亿成照明有限公司 LED lighting tube
CN101956915B (en) * 2010-08-13 2015-01-14 深圳市友亿成照明有限公司 LED lamp tube
CN103228987A (en) * 2010-12-02 2013-07-31 欧司朗有限公司 Process for producing LED lamp and corresponding LED lamp
US9303847B2 (en) 2010-12-02 2016-04-05 Osram Gmbh Process for producing an LED lamp and a corresponding LED lamp
CN107218527A (en) * 2010-12-02 2017-09-29 欧司朗有限公司 Manufacture method and corresponding LED lamps for LED lamps
CN102062321A (en) * 2010-12-24 2011-05-18 东莞宏灿光电制品有限公司 LED lamp tube
CN104344382A (en) * 2013-07-26 2015-02-11 集邦联合制造股份有限公司 Heat dissipation lamp cap of LED lamp tube
CN106939988A (en) * 2017-05-10 2017-07-11 湖州明朔光电科技有限公司 Road lighting light source module, light fixture and illuminator lamp
WO2018205640A1 (en) * 2017-05-10 2018-11-15 湖州明朔光电科技有限公司 Lamp light source assembly, illumination assembly, and illumination lamp for road illumination

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Granted publication date: 20100414

Termination date: 20130706