CN102384377A - T10LED (light-emitting diode) fluorescent lamp with low cost - Google Patents
T10LED (light-emitting diode) fluorescent lamp with low cost Download PDFInfo
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- CN102384377A CN102384377A CN201010272489XA CN201010272489A CN102384377A CN 102384377 A CN102384377 A CN 102384377A CN 201010272489X A CN201010272489X A CN 201010272489XA CN 201010272489 A CN201010272489 A CN 201010272489A CN 102384377 A CN102384377 A CN 102384377A
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Abstract
The invention relates to a T10LED fluorescent lamp with low cost, comprising an aluminium shell, a PC hood, an LED lamp panel, an inductor and a driver. The aluminium shell comprises a shell body part, a shell neck part and a shell head part. The shell body part, the shell neck part and the shell head part form a sealed cavity. The inductor and the driver are in the sealed cavity. The shell body part is an arc structure. The PC hood is clamped with the shell neck part of the aluminium shell. The shell head part is an open square groove. The LED lamp panel is arranged in the open square groove. The PCB board routing on the LED lamp panel is at the centre of the LED lamp panel. In comparison with prior art, the invention has the advantages of convenience, security, light weight and efficiency, etc.
Description
Technical field
The present invention relates to a kind of LED fluorescent lamp, especially relate to a kind of fluorescent lamp of T10LED cheaply.
Background technology
Traditional fluorescent lamp is used in large quantities in enterprise, market, school, office building, hospital and lighting of home, and it is greatly convenient to have brought for our work and life.But because there are many intrinsic technical problems in traditional fluorescent lamp; As mercurous in the fluorescent tube; Glass tube is frangible, and a large amount of non-ferrous metals of rectifier consumption, conversion efficiency is low, service life is short, there is stroboscopic etc. in light, with our present energy-saving and environmental protection theory of advocating difference to some extent; Therefore along with the development of LED technology and technology, will exist by the possibility of a large amount of replacements.
At present use amount is maximum, and the widest illuminating product of face is no more than the T10 straight tube fluorescent lamp, and wherein the overwhelming majority adopts inductance type ballasts, its mature and reliable that possesses skills, and the life-span is long, and is cheap, and advantages such as simple are installed, thereby widely employing of quilt.But the energy consumption of himself is high, caloric value is big, power factor is low, needs extra increase reactive-load compensation, has drawbacks such as stroboscopic (light pollution) and noise.In electric power and today of being becoming tight energy day, it is carried out reducing energy consumption, imperative.
Novel LED fluorescent lamp adopts super bright white light LEDs as light emitting source, and shell is aluminium or PC material.The LED fluorescent lamp is all the same on external form, size, bore with traditional fluorescent lamp, and length has 60cm, 120cm and 150cm etc. multiple, and its power is respectively 8W to 20W and does not wait; And 20W traditional fluorescent lamp (Inductive ballast) actual power consumption is about 36W, and 40W traditional fluorescent lamp (Inductive ballast) actual power consumption is about 54W; 8W LED fluorescent lamp brightness and the brightness of traditional 20W fluorescent lamp are as good as, and 15W LED fluorescent lamp is the same with the brightness of traditional 40W fluorescent lamp, and the brightness of LED fluorescent lamp especially seems softer, more makes people acceptant.The service life of LED fluorescent lamp is generally about 30,000 hours.Supply voltage is 85VAC~264VAC (or 110VAC/230VAC), need not to use starter and ballast, has to start fast, power consumptive province, no stroboscopic, be not easy to produce visual fatigue.Its not only superpower energy-conservation and more environmental protection is one of product of national green energy conservation illuminating engineering focus development, is the major product that replaces traditional fluorescent lamp at present.
It is very simple that the LED fluorescent lamp is installed, and for inductance rectification type fluorescent lamp, during installation original fluorescent lamp taken off and change the LED fluorescent lamp, and ballast and starter are taken away, and lets the 220V electric main directly be added to LED fluorescent lamp two ends and get final product; Then must whole rectifier be pulled down for electronic rectifier type fluorescent lamp, be correspondingly processed then.
The LED fluorescent lamp energy-saving is up to more than 60%; Life-span is more than 10 times of common fluorescent tube; Almost be non-maintaining, do not have the problem that often to change fluorescent tube, ballast, starter, just can gain cost for the expense of pact more piece half a year provinces such as factory that used in 24 hours or convenience store.The semi-conductor electricity light source of environmental type, light is soft, and spectroscopic pure helps workman's sight protectio and healthy, and the cold light source of 6000K is given the visually refrigerant impression of people, helps to concentrate on, and raises the efficiency.
At present, in the T10LED fluorescent lamp, no matter be to isolate and non-isolation method, employed type of drive mainly contains 1. built-in driving, 2. external drives; Built-in driver is directly driver to be fit in the LED fluorescent lamp lamp housing, therefore has easy to install, flexible characteristic.Yet (mainly being height) institute limit because LED fluorescent lamp lamp housing inner space, so requires driver preferably to have the pattern of isolation, otherwise when applying for safety because of isolation distance limit, can't meet the demands.
Just because of receive LED fluorescent lamp lamp housing limitation in height, the switch transformer of isolated driver is difficult to engineering demands at aspects such as conversion efficiency, thermal diffusivity, costs.Non-driver for isolating has that circuit structure is simple, cost is low, the conversion efficiency advantages of higher, therefore in the T10LED fluorescent lamp, is used in large quantities.Yet,, be difficult for through the safety test just because of therefore the non-isolation electric of non-driver for isolating in use exists potential safety hazard.
Summary of the invention
The object of the invention is exactly that a kind of convenience, safe, in light weight, T10LED fluorescent lamp cheaply efficiently are provided in order to overcome the defective that above-mentioned prior art exists.
The object of the invention can be realized through following technical scheme:
A kind of fluorescent lamp of T10LED cheaply comprises aluminium shell, PC cover, LED lamp plate, inductor, driver, and described aluminium shell comprises outer body portion, shell neck, head; Described outer body portion, shell neck, head form annular seal space; Described inductor, driver are arranged in close cavity, and described outer body portion is an arcuate structure, the shell neck clamping of described PC cover and aluminium shell; It is characterized in that; Described head is uncovered square groove, and described LED lamp plate is installed in the uncovered square groove, and the pcb board cabling on the described LED lamp plate is located at central authorities on the LED lamp plate.
The width of described pcb board cabling is 16mm.
Distance between the one side projection inward flange of described uncovered square groove and the outward flange of homonymy pcb board cabling is greater than 5mm.
The concave surface width of described uncovered square groove is greater than 28mm.
Described driver can be non-driver for isolating.
Described driver can be driver for isolating.
Compared with prior art, the present invention has the following advantages:
1, adopts non-isolation drive mode; Can guarantee to have very high conversion efficiency and low material cost like this; But the structure through changing the aluminium shell and the cabling mode of LED lamp plate (PCB) satisfy the requirement of safety, thus realize novel, efficiently, product cheaply.
2, both can adopt the driver of isolation method, and also can adopt the driver of non-isolation method, convenience, safety, low cost have brought unlimited application prospect for a large amount of uses of following LED fluorescent lamp.
Description of drawings
Fig. 1 is the structural representation of existing T10LED fluorescent lamp;
Fig. 2 is the structural representation of the LED lamp plate of existing T10LED fluorescent lamp;
Fig. 3 is a structural representation of the present invention;
Fig. 4 is the structural representation of LED lamp plate of the present invention.
The specific embodiment
Below in conjunction with accompanying drawing and specific embodiment the present invention is elaborated.
Embodiment
Like Fig. 1, shown in Figure 2, existing T10LED fluorescent lamp comprises aluminium shell 1, PC cover 2, LED lamp plate 3, inductor 4, built-in driver 5.
When reality is used because the requirement of safety EN61347-2-13, between the PCB cabling 6 in the LED lamp plate and the aluminium shell 1 must greater than 5mm along the face safe distance, could pass through the test request of safety such as CE, thus assurance user's safety.
The maximum gauge of T10 fluorescent lamp is Φ 30mm among Fig. 1; Adopt the structure of 1/2 aluminium shell, 1/2PC cover; So at aluminium shell and LED lamp plate junction ultimate range<25mm, and not only to place LED on the LED lamp plate, and cabling will be set; Therefore cause the creepage distance<5mm between the contact point of cabling and aluminium shell of LED lamp plate, so can not satisfy the requirement of safety to the electrical safety distance.At this moment the mode that adopts usually is exactly directly to use built-in isolated driving or adopt external to drive.
Like Fig. 3, shown in Figure 4; The fluorescent lamp of T10LED cheaply of the present invention; Comprise aluminium shell 1, PC cover 2, LED lamp plate 3, inductor 4, driver 5, described aluminium shell 1 comprises outer body portion 11, shell neck 12, head 13, described outer body portion 11, shell neck 12, head 13 formation annular seal spaces; Described inductor 4, driver 5 are arranged in close cavity; Described outer body portion 11 is an arcuate structure, shell neck 12 clampings of described PC cover 2 and aluminium shell 1, and the head 13 of described aluminium shell 1 is uncovered square groove; Described LED lamp plate 3 is installed in the uncovered square groove, the pcb board cabling 6 on the described LED lamp plate 3 ' be located on the LED lamp plate 3 central.
Can see clearly that from Fig. 2 we mainly adopt 2 kinds of methods to realize along the requirement of face safe distance greater than 5mm.The present invention gives the aluminium shell among Fig. 11 and the place to go with LED lamp plate 3 buckle places, thereby makes LED lamp plate junction expand ultimate range>28mm to by ultimate range<25mm, is one of which; Its two, improve LED lamp plate 3PCB cabling 6 ', the cable run distance in Fig. 1 structure is compressed to 16mm (cable run distance can not infinitely compress in the LED lamp plate, requires otherwise the Copper Foil of PCB can't bear current density) by 18mm.
Aforesaid way one and mode two integrated uses, cabling and the safe creepage distance between the aluminium shell that can guarantee the LED lamp plate be greater than 5mm, thereby satisfy the requirement of EN61347-2-13 etc.
Claims (6)
1. a T10LED fluorescent lamp cheaply comprises aluminium shell, PC cover, LED lamp plate, inductor, driver, and described aluminium shell comprises outer body portion, shell neck, head; Described outer body portion, shell neck, head form annular seal space; Described inductor, driver are arranged in close cavity, and described outer body portion is an arcuate structure, the shell neck clamping of described PC cover and aluminium shell; It is characterized in that; Described head is uncovered square groove, and described LED lamp plate is installed in the uncovered square groove, and the pcb board cabling on the described LED lamp plate is located at central authorities on the LED lamp plate.
2. a kind of fluorescent lamp of T10LED cheaply according to claim 1 is characterized in that the width of described pcb board cabling is 16mm.
3. a kind of fluorescent lamp of T10LED cheaply according to claim 1 is characterized in that, the distance between a side projection inward flange of described uncovered square groove and the outward flange of homonymy pcb board cabling is greater than 5mm.
4. a kind of fluorescent lamp of T10LED cheaply according to claim 1 is characterized in that the concave surface width of described uncovered square groove is greater than 28mm.
5. a kind of fluorescent lamp of T10LED cheaply according to claim 1 is characterized in that described driver can be non-driver for isolating.
6. a kind of fluorescent lamp of T10LED cheaply according to claim 1 is characterized in that described driver can be driver for isolating.
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CN201010272489XA CN102384377A (en) | 2010-09-03 | 2010-09-03 | T10LED (light-emitting diode) fluorescent lamp with low cost |
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CN201010272489XA CN102384377A (en) | 2010-09-03 | 2010-09-03 | T10LED (light-emitting diode) fluorescent lamp with low cost |
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CN201010272489XA Pending CN102384377A (en) | 2010-09-03 | 2010-09-03 | T10LED (light-emitting diode) fluorescent lamp with low cost |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2015165097A1 (en) * | 2014-04-30 | 2015-11-05 | 广东恒润光电有限公司 | Strip-shaped lens for use in led lamp and wide-angle led lamp |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN201401665Y (en) * | 2009-05-05 | 2010-02-10 | 上海威凯信息科技有限公司 | Novel surface bonding LED fluorescent lamp |
CN201513779U (en) * | 2009-04-21 | 2010-06-23 | 江门吉华光电精密有限公司 | Led energy-saving lamp tube |
CN201568835U (en) * | 2010-01-12 | 2010-09-01 | 台州市福斯特科技电子有限公司 | LED daylight lamp |
CN201811040U (en) * | 2010-09-03 | 2011-04-27 | 上海慧高精密电子工业有限公司 | Improved light emitting diode (LED) fluorescent lamp device |
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- 2010-09-03 CN CN201010272489XA patent/CN102384377A/en active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201513779U (en) * | 2009-04-21 | 2010-06-23 | 江门吉华光电精密有限公司 | Led energy-saving lamp tube |
CN201401665Y (en) * | 2009-05-05 | 2010-02-10 | 上海威凯信息科技有限公司 | Novel surface bonding LED fluorescent lamp |
CN201568835U (en) * | 2010-01-12 | 2010-09-01 | 台州市福斯特科技电子有限公司 | LED daylight lamp |
CN201811040U (en) * | 2010-09-03 | 2011-04-27 | 上海慧高精密电子工业有限公司 | Improved light emitting diode (LED) fluorescent lamp device |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2015165097A1 (en) * | 2014-04-30 | 2015-11-05 | 广东恒润光电有限公司 | Strip-shaped lens for use in led lamp and wide-angle led lamp |
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Application publication date: 20120321 |