CN201582756U

CN201582756U - Energy-saving LED fluorescent lamp

Info

Publication number: CN201582756U
Application number: CN200920260730XU
Authority: CN
Inventors: 熊祗兰
Original assignee: DONGGUAN KOOWAY NEW ENERGY Co Ltd
Current assignee: DONGGUAN KOOWAY NEW ENERGY Co Ltd
Priority date: 2009-11-24
Filing date: 2009-11-24
Publication date: 2010-09-15
Anticipated expiration: 2019-11-24

Abstract

The utility model relates to an energy-saving LED fluorescent lamp, which comprises a lamp tube, plugs, a lamp panel and a drive board, wherein the plugs are disposed at two ends of the lamp tube, and the lamp panel and the drive board are mounted in the lamp tube. The lamp panel is provided with a plurality of groups of LED units, each LED unit comprises at least two LEDs, the LEDs in each LED units are connected in parallel, the groups of LED units are connected in series, and the drive board is electrically connected with the LEDs. Through scientific calculation and reasonable circuit design, the whole circuit of the energy-saving LED fluorescent lamp can not be affected when one of the LEDs is abnormal. Lighting angle and strength of the LEDs can be sufficiently utilized by the energy-saving LED fluorescent lamp by aid of reasonable designs of line center distance and row center distance among the LEDs, thereby not only saving energy but achieving the advantages of high brightness, low electricity consumption, long service life and the like.

Description

Energy-saving LED fluorescent lamp

Technical field

The utility model relates to field of illumination lamp technology, relates in particular to a kind of LED illuminating lamp.

Background technology

LED (light emitting diode) be utilize in the semi-conducting material the electron hole in conjunction with the time the change on rank, energy band position, with its energy that is discharged of luminous demonstration, have advantages such as volume is little, the life-span is long, driving voltage is low, power consumption is few, reaction rate is fast, electric durability is good, be parts commonly used in the various application apparatus in the daily life.

Light fixture form in the market is varied, also occurred with the great power LED is the lamp of light source, its more traditional incandescent lamp, fluorescent lamp are compared, and have good characteristics such as low in energy consumption, life-span length, energy-conserving and environment-protective, are therefore at home and abroad applied widely in recent years.Yet existing LED power consumption on the market is higher, and high-power LED caloric value when work is bigger, if these heats can not be distributed well, causes the brightness of LED to descend easily and can cause the damage of LED when serious.Moreover existing LED is because its bulb arrangement mode is reasonable inadequately, and its irradiating angle has certain restriction, as long as and when having a LED to bubble out existing problem, can have influence on entire circuit, even cause the whole LED can't operate as normal.

The utility model content

The purpose of this utility model is, a kind of energy-saving LED fluorescent lamp is provided, and not only power consumption is low for it, long service life, and the arrangement mode between its several LED is scientific and reasonable, can fully use lighting angle and the luminous intensity of LED.

For achieving the above object, the utility model provides a kind of energy-saving LED fluorescent lamp, comprise: fluorescent tube, be located at lamp tube ends plug, be installed on lamp plate and drive plate in the fluorescent tube, this lamp plate is provided with array LED unit, each LED unit comprises at least two LED, be connected in parallel between the LED in each LED unit, array LED is connected in series between the unit, and drive plate electrically connects LED.

The LED unit comprises three LED, its even distribution triangular in shape.

The body that described fluorescent tube comprises a lateral opening be installed in the corresponding aperture position of body on expand light shield.

Body is made by aluminium, expands light shield and is made by PC.

It is the single layer printed circuit plate of 18～23mm that described lamp plate adopts width, and the surface of this lamp plate is provided with the coating that is formed by white solder resist material coating.

Described several LED unit intervals are provided with, and the LED at same position place constitutes delegation between each LED unit, and the LED with this row vertical arrangement in the LED unit constitutes row respectively, and this is disposed on the centre-to-centre spacing between two LED in the delegation is 6～9mm.

The described centre-to-centre spacing that is disposed between adjacent two LED that go is 6～10mm.

The LED of the LED of delegation is 3.5～4.5mm with the row centre-to-centre spacing of the adjacent LED of adjacent another capable LED among the described LED that are disposed on adjacent two row.

The LED of the LED of delegation is 7.2mm with the row centre-to-centre spacing of an adjacent LED of adjacent another row LED among the described LED that are disposed on adjacent two row, with the row centre-to-centre spacing of another adjacent LED of adjacent another capable LED be 7.2mm.

The beneficial effects of the utility model: energy-saving LED fluorescent lamp of the present utility model by science computing method and appropriate design circuit, makes this energy-saving LED fluorescent lamp can not occur the unusual problem that influences entire circuit occurring because of a LED; This energy-saving LED fluorescent lamp is by carrying out appropriate design to row centre-to-centre spacing between several LED and row centre-to-centre spacing, enable to reach the lighting angle of abundant use LED and the purpose of luminous intensity, not only save the energy, and had advantages such as brightness height, power consumption are low, long service life.

In order further to understand feature of the present utility model and technology contents, see also following about detailed description of the present utility model and accompanying drawing, yet accompanying drawing only provide with reference to and the explanation usefulness, be not to be used for the utility model is limited.

Description of drawings

Below in conjunction with accompanying drawing,, will make the technical solution of the utility model and other beneficial effects apparent by the specific embodiment of the present utility model is described in detail.

Fig. 1 is the structural representation of the utility model energy-saving LED fluorescent lamp one embodiment;

Fig. 2 is the circuit connection diagram of the utility model energy-saving LED fluorescent lamp one embodiment.

The specific embodiment

For further setting forth the utility model is technological means and the effect that the predetermined purpose of realization is taked, see also following about detailed description of the present utility model and accompanying drawing, believe the purpose of this utility model, feature and characteristics, should obtain thus going deep into and concrete understanding, yet accompanying drawing only provides reference and explanation usefulness, is not to be used for the utility model is limited.

As shown in Figure 1, be the structural representation of the utility model energy-saving LED fluorescent lamp one embodiment, this energy-saving LED fluorescent lamp comprises: fluorescent tube 2, be located at fluorescent tube 2 two ends plug 4, be installed on the lamp plate 6 in the fluorescent tube 2.

Fluorescent tube 2 adopts aluminum material to make, it body 22 that comprises a lateral opening be installed in body 22 corresponding aperture positions on expand light shield 24, in the present embodiment, this fluorescent tube 2 adopts aluminium to be made, its surface is oxidation silver color, this kind aluminum fluorescent tube efficiently solves the difficult problem of energy-saving LED fluorescent lamp heat radiation, has prolonged the service life of LED to a certain extent.Expand light shield 24 and adopt Merlon (PC) materials to make, this kind PC is a kind of thermoplastic of indefiniteness, it is heat-resisting, shock resistance, fire-retardant, the favorable mechanical performance all arranged in common serviceability temperature.Further, also be provided with a drive plate 26 in this fluorescent tube 2, this drive plate 26 is a constant current drive plate.

In the utility model, plug 4 can play good positioning action to the lamp plate 6 in fluorescent tube 2 and the fluorescent tube 2, and this plug 4 selects for use plastic material to make, in the present embodiment, plug 4 is the PC white fire prevention strip two bronze medal stitch of ∮ 26, and this two bronze medal lamp base has used soldering-free connector in the junction.

It is the single layer printed circuit plate of 18～23mm that lamp plate 6 adopts width, and the surface of this lamp plate 6 is provided with the coating that is formed by white solder resist material coating.This lamp plate 6 is provided with array LED unit, and each LED unit comprises at least two LED62, is connected in parallel between the LED62 in each LED unit, and array LED is connected in series between the unit, and drive plate 26 electrically connects LED62.In this embodiment, the LED unit comprises three LED, it between the LED62 of its these several LED unit of even distribution triangular in shape multiple series series connection (shown in Figure 2) again after three tunnel parallel connections, even this kind connected mode one LEDs breaks down when not working, also can not have influence on the operate as normal of other LED.Wherein, it is the LED of 5mm that several LED62 adopt diameter, these several LED62 are provided with at interval, the LED at same position place constitutes delegation between each LED unit, LED with this row vertical arrangement in the LED unit constitutes row respectively, this is disposed on the centre-to-centre spacing between two LED in the delegation is 6～9mm, and the centre-to-centre spacing that is disposed between adjacent two LED that go is 6～10mm.As a kind of selectivity embodiment of the present utility model, we preferably are located at the centre-to-centre spacing between two LED in the delegation is 7.2mm, and the centre-to-centre spacing that is disposed between adjacent two LED that go is 8mm.Further, the LED of the LED of delegation is 3.5～4.5mm with the row centre-to-centre spacing of the adjacent LED of adjacent another capable LED among the described LED that are disposed on adjacent two row, this LED who is disposed on the LED of delegation among the LED of adjacent two row is 7.2mm with the row centre-to-centre spacing of an adjacent LED of adjacent another row LED, with the row centre-to-centre spacing of another adjacent LED of adjacent another capable LED be 7.2mm.The mode of this kind to carrying out appropriate design with the row centre-to-centre spacing between the LED between delegation and adjacent two row, row centre-to-centre spacing, can make full use of luminous angle and the luminous intensity of LED, make the power factor (PF) of energy-saving LED fluorescent lamp of the present utility model greater than 0.85, efficient is greater than 90%.After tested, energy-saving LED fluorescent lamp 12W of the present utility model can with the fluorescent lamp of 40W with imitating, 9W can with the fluorescent lamp of 30W with imitating, 6W can with the fluorescent lamp of 20W with imitating, really reach low, the energy conservation and environment protection of power consumption.

In sum, energy-saving LED fluorescent lamp of the present utility model by science computing method and appropriate design circuit, makes this energy-saving LED fluorescent lamp can not occur the unusual problem that influences entire circuit occurring because of a LED; This energy-saving LED fluorescent lamp is by carrying out appropriate design to row centre-to-centre spacing between several LED and row centre-to-centre spacing, enable to reach the lighting angle of abundant use LED and the purpose of luminous intensity, not only save the energy, and had advantages such as brightness height, power consumption are low, long service life.

The above; it only is preferred embodiment of the present utility model; for the person of ordinary skill of the art; can make other various corresponding changes and distortion according to the technical scheme and the technical conceive of this aspect, and all these changes and distortion all should belong to the protection domain of the utility model claim.

Claims

1. energy-saving LED fluorescent lamp, it is characterized in that, comprise: fluorescent tube, be located at lamp tube ends plug, be installed on lamp plate and drive plate in the fluorescent tube, this lamp plate is provided with array LED unit, each LED unit comprises at least two LED, be connected in parallel between the LED in each LED unit, array LED is connected in series between the unit, and drive plate electrically connects LED.

2. energy-saving LED fluorescent lamp as claimed in claim 1 is characterized in that, the LED unit comprises three LED, its even distribution triangular in shape.

3. energy-saving LED fluorescent lamp as claimed in claim 1 is characterized in that, the body that described fluorescent tube comprises a lateral opening be installed in the corresponding aperture position of body on expand light shield.

4. energy-saving LED fluorescent lamp as claimed in claim 3 is characterized in that body is made by aluminium, expands light shield and is made by PC.

5. energy-saving LED fluorescent lamp as claimed in claim 1 is characterized in that, it is the single layer printed circuit plate of 18～23mm that described lamp plate adopts width, and the surface of this lamp plate is provided with the coating that is formed by white solder resist material coating.

6. energy-saving LED fluorescent lamp according to claim 2, it is characterized in that, described several LED unit intervals are provided with, the LED at same position place constitutes delegation between each LED unit, LED with this row vertical arrangement in the LED unit constitutes row respectively, and this is disposed on the centre-to-centre spacing between two LED in the delegation is 6～9mm.

7. energy-saving LED fluorescent lamp according to claim 6 is characterized in that, the described centre-to-centre spacing that is disposed between adjacent two LED that go is 6～10mm.

8. energy-saving LED fluorescent lamp according to claim 7 is characterized in that, the LED of the LED of delegation is 3.5～4.5mm with the row centre-to-centre spacing of the adjacent LED of adjacent another capable LED among the described LED that are disposed on adjacent two row.

9. energy-saving LED fluorescent lamp according to claim 7, it is characterized in that, the LED of the LED of delegation is 7.2mm with the row centre-to-centre spacing of an adjacent LED of adjacent another row LED among the described LED that are disposed on adjacent two row, with the row centre-to-centre spacing of another adjacent LED of adjacent another capable LED be 7.2mm.