CN201462492U - LED lamp tube - Google Patents

LED lamp tube Download PDF

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Publication number
CN201462492U
CN201462492U CN2009201096453U CN200920109645U CN201462492U CN 201462492 U CN201462492 U CN 201462492U CN 2009201096453 U CN2009201096453 U CN 2009201096453U CN 200920109645 U CN200920109645 U CN 200920109645U CN 201462492 U CN201462492 U CN 201462492U
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CN
China
Prior art keywords
led
fluorescent tube
fixed
nontransparent
lamp plate
Prior art date
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Expired - Fee Related
Application number
CN2009201096453U
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Chinese (zh)
Inventor
杨硕
丁柯
杜颖
刘欣
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BEIJING LAMPEARL PHOTOELECTRIC CO LTD
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BEIJING LAMPEARL PHOTOELECTRIC CO LTD
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Priority to CN2009201096453U priority Critical patent/CN201462492U/en
Application granted granted Critical
Publication of CN201462492U publication Critical patent/CN201462492U/en
Anticipated expiration legal-status Critical
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Abstract

The utility model discloses an LED lamp tube which comprises a nontransparent semicircular lower half tube body, a lamp panel, LEDs, a transparent semicircular upper half tube body and lamp caps; the transparent semicircular upper half tube body is clamped on the nontransparent semicircular lower half tube body; the lamp panel is fixed at the inner side of the nontransparent semicircular lower half tube body along the direction parallel to the diameter of the nontransparent semicircular lower half tube body; the LEDs are fixed on one surface of the transparent semicircular upper half tube body in a staggered arrangement mode; and the lamp caps are fixed at both ends of the nontransparent semicircular lower half tube body and the transparent semicircular upper half tube body. The utility model adopts the staggered arrangement mode of the LEDs in the lamp tube, thereby realizing the luminescence complementation of the adjacent LEDs and improving the brightness and the uniformity of illumination.

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.
In the existing LED fluorescent tube, adopt LED10 that at least one row equidistantly the arranges light source as fluorescent tube usually, as shown in Figure 1, the distance among the row between the two adjacent LEDs 10 equates, to arrange LED10 relative one by one with this for the LED10 among the row adjacent with this row LED10.Because the angle of divergence of LED self light beam is less, existingly compare with traditional fluorescent tube as the fluorescent tube of light source with LED, some regional luminance height of LED fluorescent tube, some regional luminance is low, and LED fluorescent tube outgoing uniformity of light is not good and brightness is lower; Because LED self Power Limitation, if adopt the arrangement mode of existing LED, the quantity by increasing LED is to improve the brightness of LED fluorescent tube, and this will cause the waste of the energy.
In a word, existing LED fluorescent tube is under energy-conservation prerequisite, and illumination uniformity is bad and brightness is not high.
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 the uniformity and the brightness of illumination under energy-conservation prerequisite.
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, lamp plate, 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 lamp plate is fixed in the inboard of described nontransparent second body along the direction that is parallel to described nontransparent second pipe diameter;
The mode that described LED arranges with dislocation is fixed in the one side of described lamp plate 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.
In the above-mentioned fluorescent tube, described mode of arranging with dislocation is fixed in lamp plate and is arranged in more than two rows towards the LED of upper body half one side; Distance among equal and adjacent two rows of distance between the arbitrary adjacent LED of every row between arbitrary adjacent LED equals the distance between the arbitrary adjacent LED of every row.
In the above-mentioned fluorescent tube, described second body of nontransparent semicircle comprises first draw-in groove that the lateral invagination bending of two top edges becomes, be positioned at first draw-in groove below along being parallel to the aluminium base that second body diametric(al) is fixed in second body inboard, second draw-in groove and the semicircular shell that is formed by the lower surface and the aluminium base upper surface of first draw-in groove in second body inboard.
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 lamp plate 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, the distance between described two adjacent LEDs is directly proportional with the beam angle of LED.
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 lamp plate to.
In the above-mentioned fluorescent tube, the constant DC stream that described lamp plate is exported described drive circuit exports described mode of arranging with dislocation to and is fixed in the LED of lamp plate towards the upper body half one side;
Described mode of arranging with dislocation is fixed in lamp plate and comprises N group LED coupled in series towards the LED of upper body half one side, and each group comprises M LED that is connected in parallel in the N group LED coupled in series;
Described N is the integer greater than 1;
Described M is the even number greater than 1.
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, lamp plate, 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 lamp plate is fixed in the inboard of described nontransparent second body along the direction that is parallel to described nontransparent second pipe diameter; The mode that described LED arranges with dislocation is fixed in the one side of described lamp plate 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.LED adopts staggered mode to realize luminous complementation between the adjacent LED having improved the brightness and the uniformity of illumination in the utility model fluorescent tube.
Description of drawings
Fig. 1 is the LED arrangement mode schematic diagram of existing LED fluorescent tube.
Fig. 2 is the front view of the utility model LED fluorescent tube.
Fig. 3 is the structural representation of the utility model LED fluorescent tube.
Fig. 4 is the local enlarged diagram of A part shown in Figure 3.
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, lamp plate, 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 lamp plate is fixed in the inboard of described nontransparent second body along the direction that is parallel to described nontransparent second pipe diameter; The mode that described LED arranges with dislocation is fixed in the one side of described lamp plate 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.
With reference to Fig. 2, 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, lamp plate 12, LED13, the crown top of burner 15, lamp pin 16, screw 17 and drive circuit 18.Wherein, body comprises second body 11 and upper body half 14.
Second body 11 is nontransparent semicircle body, can adopt aluminium alloy or other conductibility preferred metal materials.Direction along two top edges of second body 11 to the circular arc bottom surface, second body 11 comprises first draw-in groove 1101, second draw-in groove 1102, aluminium base 1103, screwed hole 1104 and semicircular shell.Wherein, first draw-in groove 1101 is the groove that two top edge lateral invagination bendings of second body 11 become, and is used for clamping upper body half 14; Second draw-in groove 1102 is positioned at second body 11 inboards, and the groove by first draw-in groove, 1101 lower surfaces and aluminium base 1103 upper surfaces form is used for clamping lamp plate 12; The upper surface of aluminium base 1103 contacts with the lower surface of the lamp plate 12 that is connected in second draw-in groove 1102, is used for heat that lamp plate 12 the is produced semicircular shell by second body 11 and conducts; Screwed hole 1104 is positioned at the lower surface of aluminium base 1103, and screw 17 is fixed in second body 11 in the crown top of burner 15 by screwed hole 1102; The lateral surface of the semicircular shell of second body 11 comprises many row's arc teeth groove, is used to increase the area of the circular arc bottom surface of second body 11, improves radiating effect.
Upper body half 14 is transparent semicircle body, can adopt plastics, glass or other transparent materials; The two lower limbs bending to the inside of upper body half 14 forms trip 1401, and trip 1401 is connected in first draw-in groove 1101 of second body 11, the size of the trip 1401 and first draw-in groove 1101 coupling.Upper body half 14 is the exiting surface of the utility model LED fluorescent tube.
Lamp plate 12 is connected in second draw-in groove 1102 of second body 11, the size of second draw-in groove 1102 of the thickness of lamp plate 12 and second body 11 coupling, and the one side of lamp plate 12 is fitted with the upper surface of the aluminium base 1103 of second body 11.Arrangement mode according to LED13 in the lamp plate 12 carries out wiring, is used for exporting the wiring by lamp plate 12 inside of the electric current of LED lamp tube drive circuit 18 output to be fixed in lamp plate 12 surfaces LED13.
A plurality of LED13 be fixed in lamp plate 12 not with aluminium base 1103 bonding surfaces, and be arranged in many rows, every adjacent two row LED13 dislocation are arranged, particularly, among adjacent two rows' the LED13, the distance between arbitrary two adjacent LEDs 13 equates.The utility model LED13 is the angle pencil of ray corner LED, a plurality of LED13 are drawn together in every package, and the distance that the two adjacent LEDs among every row is 13 equates, concrete arrangement mode such as Fig. 4 of LED13, be in position 1, distance between the LED13 of position 3 and position 5 equates, and spacing distance is directly proportional with the beam angle of LED13, the distance that is between the LED13 of position 2 and position 4 equates with distance between the LED13 that is in position 1 and position 3, and the LED13 that is in position 2 and the LED13 that is in position 1 and the LED13 that is in position 3 are in three summits of equilateral triangle respectively, that is to say, the distance that is between the LED13 of position 1 and position 2 equates with distance between the LED13 that is in position 1 and position 3, and the distance that is between the LED13 of position 2 and position 3 equates with distance between the LED13 that is in position 1 and position 3.
Adopt the alternating expression arrangement mode of the utility model LED fluorescent tube, made full use of the angle pencil of ray angle of LED13, it is inhomogeneous to have remedied the light intensity that the disappearance of each position LED13 arrangement mode is brought in the prior art, realized the luminous complementation of 13 of adjacent LED, such as: there is the less position of light intensity between position 1 and the position 3, the difference of this position light intensity and other position light intensity is the loss of this position light intensity, the loss of this light intensity can be by being in position 1, the LED13 of position 2 and position 3 remedies, and is in position 1, the LED13 of position 2 and position 3 has realized luminous complementation to the less position of light intensity before position 1 and the position 3; Light intensity loss between position 2 and the position 4 can be remedied by the LED13 that is in position 2, position 3 and position 4, and position 2 can be remedied by the LED13 that is in position 1 and position 2 near the light intensity loss of position 1 one sides.Existing LED fluorescent tube is owing to adopt the arrangement mode of Fig. 1, need just can reach and the identical brightness of the utility model LED fluorescent tube by distance that reduces 10 of adjacent LED or the quantity that increases LED10, therefore, under the prerequisite of equal illumination brightness, adopt this LED13 arrangement mode of the utility model LED fluorescent tube, can effectively reduce the quantity of the LED13 of LED fluorescent tube, realize energy-conserving and environment-protective and reduced the requirement of dispelling the heat, the loss of energy in the minimizing system.
In the preferred embodiment of the utility model LED fluorescent tube, between 120 degree, correspondingly, the distance between the two adjacent LEDs is smaller or equal to 5 millimeters at 110 degree for LED13 beam angle scope; For above-mentioned LED13, if the distance between the increase adjacent LED, staggered LED13 can't remedy the light loss between the two adjacent LEDs 13, may reduce the brightness and the uniformity of LED fluorescent tube.
The crown top of burner 15 is fixed in the both sides screwed hole 1104 of second body 11 by screw 17.
Lamp pin 16 1 ends connect the drive circuit 18 of LED fluorescent tube, and the other end passes the crown top of burner 15 and is connected with external ac power source.
The input I of the drive circuit 18 of LED fluorescent tube 0With input I 1Be connected to the AC power of LED lamp tube power supply, the output P of the drive circuit 18 of LED fluorescent tube by lamp pin 16 0With output P 1The input that connects lamp plate 12 is used for external AC is pressed by ac-dc conversion and step-down processing, is converted to constant DC stream and exports lamp plate 12 to, for the LED13 that is fixed in lamp plate 12 surfaces provides operating current.The structure of the drive circuit 18 of the utility model LED fluorescent tube is the content of prior art, does not repeat them here.
In the preferred embodiment of the utility model LED fluorescent tube, a plurality of LED13 adopt the arrangement mode of Fig. 4 on lamp plate 12; At the circuit side connector face, a plurality of LED13 that are fixed on the lamp plate 12 are divided into the N group, and N group LED13 is connected in series, and each group in the N group comprises M LED13, and M LED13 is connected in parallel; N is the integer greater than 1, and M is the even number greater than 1; Every M/2 LED13 forms one group that is connected in parallel among the adjacent two row LED13, and every two adjacent groups LED13 is connected in series.
In the preferred embodiment of the utility model LED fluorescent tube, to the scope of 120 degree, the distance of two adjacent LEDs 13 is not more than 5 millimeters to the beam angle of LED13 at 110 degree, if the LED power of lamp tube is 10W, the LED fluorescent tube comprises 132 LEDs 13 among this embodiment, and M is at least 6; If the LED power of lamp tube is 20W, the LED fluorescent tube comprises 282 LEDs 13 among this embodiment, and M is at least 6; If M is 6, at LED13 arrangement mode shown in Figure 4,6 LEDs 13 that are in position 1 to position 6 are connected in parallel, first group of LED13 during these 6 the LED13 composition N that are connected in parallel organize; 6 LEDs 13 that are in position 7 to position 12 are connected in parallel, second group of LED13 during these 6 the LED13 composition N that are connected in parallel organize; First group of LED13 and second group of LED13 are connected in series.
The utility model LED fluorescent tube is at the circuit side connector face, when some LED13 that is connected in parallel of a certain group among the N group LED13 break down, adopt above-mentioned series-parallel connected mode, the electric current that other parallel branches increase is difficult for causing the damage of other LED13 that are connected in parallel in this group.
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 (10)

1. a LED fluorescent tube is characterized in that, this fluorescent tube comprises: second body of nontransparent semicircle, lamp plate, 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 lamp plate is fixed in the inboard of described nontransparent second body along the direction that is parallel to described nontransparent second pipe diameter;
The mode that described LED arranges with dislocation is fixed in the one side of described lamp plate 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.
2. fluorescent tube according to claim 1 is characterized in that, described mode of arranging with dislocation is fixed in lamp plate and is arranged in more than two rows towards the LED of upper body half one side; Distance among equal and adjacent two rows of distance between the arbitrary adjacent LED of every row between arbitrary adjacent LED equals the distance between the arbitrary adjacent LED of every row.
3. fluorescent tube according to claim 1, it is characterized in that described second body of nontransparent semicircle comprises first draw-in groove that the lateral invagination bending of two top edges becomes, be positioned at first draw-in groove below along being parallel to the aluminium base that second body diametric(al) is fixed in second body inboard, second draw-in groove and the semicircular shell that is formed by the lower surface and the aluminium base upper surface of first draw-in groove in second body inboard.
4. fluorescent tube according to claim 3 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.
5. fluorescent tube according to claim 3 is characterized in that, the described lamp plate that is fixed in second body adopts the mode of clamping to be fixed in second draw-in groove of described second body.
6. 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.
7. fluorescent tube according to claim 2 is characterized in that, the distance between described two adjacent LEDs is directly proportional with the beam angle of LED.
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 lamp plate to.
10. fluorescent tube according to claim 9 is characterized in that,
The constant DC stream that described lamp plate is exported described drive circuit exports described mode of arranging with dislocation to and is fixed in the LED of lamp plate towards the upper body half one side;
Described mode of arranging with dislocation is fixed in lamp plate and comprises N group LED coupled in series towards the LED of upper body half one side, and each group comprises M LED that is connected in parallel in the N group LED coupled in series;
Described N is the integer greater than 1;
Described M is the even number greater than 1.
CN2009201096453U 2009-06-30 2009-06-30 LED lamp tube Expired - Fee Related CN201462492U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2009201096453U CN201462492U (en) 2009-06-30 2009-06-30 LED lamp tube

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Application Number Priority Date Filing Date Title
CN2009201096453U CN201462492U (en) 2009-06-30 2009-06-30 LED lamp tube

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CN201462492U true CN201462492U (en) 2010-05-12

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103411150A (en) * 2013-08-16 2013-11-27 赵鹏程 LED (Light Emitting Diode) gate array strip lamp
TWI457516B (en) * 2012-02-21 2014-10-21 Lextar Electronics Corp Light-bar assembly
TWI464339B (en) * 2012-03-03 2014-12-11 Lextar Electronics Corp Light emitting diode bar and light emitting diode module using the same
CN104521329A (en) * 2013-06-04 2015-04-15 皇家飞利浦有限公司 A lighting system for illuminating an environment and a method of starting an installation of a program on a programmable controller
CN104930470A (en) * 2015-06-12 2015-09-23 吴少健 LED (light emitting diode) lamp panel structure
US9538594B2 (en) 2012-10-11 2017-01-03 Lextar Electronics Corporation Lamp

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI457516B (en) * 2012-02-21 2014-10-21 Lextar Electronics Corp Light-bar assembly
TWI464339B (en) * 2012-03-03 2014-12-11 Lextar Electronics Corp Light emitting diode bar and light emitting diode module using the same
US9538594B2 (en) 2012-10-11 2017-01-03 Lextar Electronics Corporation Lamp
CN104521329A (en) * 2013-06-04 2015-04-15 皇家飞利浦有限公司 A lighting system for illuminating an environment and a method of starting an installation of a program on a programmable controller
CN104521329B (en) * 2013-06-04 2018-05-15 飞利浦灯具控股公司 For illuminating the lighting system of environment and starting the method for the program installation on programmable controller
CN103411150A (en) * 2013-08-16 2013-11-27 赵鹏程 LED (Light Emitting Diode) gate array strip lamp
CN104930470A (en) * 2015-06-12 2015-09-23 吴少健 LED (light emitting diode) lamp panel structure

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Termination date: 20130630