CN102287651A - Light-emitting diode (LED) fluorescent lamp tube with ceramic carrier plate - Google Patents
Light-emitting diode (LED) fluorescent lamp tube with ceramic carrier plate Download PDFInfo
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- CN102287651A CN102287651A CN2011102290908A CN201110229090A CN102287651A CN 102287651 A CN102287651 A CN 102287651A CN 2011102290908 A CN2011102290908 A CN 2011102290908A CN 201110229090 A CN201110229090 A CN 201110229090A CN 102287651 A CN102287651 A CN 102287651A
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Abstract
The invention discloses a light-emitting diode (LED) fluorescent lamp tube with a ceramic carrier plate. The LED fluorescent lamp tube with the ceramic carrier plate comprises a lamp tube shade and double-feet connecters which are connected at the two ends of the shade, wherein an integrally-formed ceramic substrate is arranged in the shade; the surface of the ceramic substrate comprises at least one LED installation surface which is used for accommodating an LED lamp, and at least one power supply device installation surface which is used for driving the LED lamp to work; and circuits which are made of conductive paste are formed on the LED installation surface and the power supply device installation surface through screen printing. The LED fluorescent lamp tube with the ceramic carrier plate has lower production cost and higher radiating performance, and an illuminating angle can be effectively improved.
Description
[technical field]
The present invention relates to a kind of LED fluorescent tube, refer in particular to the LED fluorescent tube of making the wiring board carrier with ceramic base.
[background technology]
Present stage, the illumination of fluorescent tube is based on fluorescent tube, and at present the most popular now certainly also have the LED fluorescent tube, wherein:
Fluorescent tube, i.e. low pressure mercury lamp, it is to utilize the radiation ultraviolet ray in discharge process of hypobaric mercury vapour, and is luminous thereby the principle that makes fluorescent material send visible light is come, so it belongs to low pressure arc discharge light source.Because the electric energy major part that fluorescent lamp consumed is used for producing ultraviolet ray, what all do certain harm to human body, peripheral material etc. for it.Fluorescent lighting fixture has following shortcoming:
1), contains the mercury poison, because it is by mercury vapor discharge, so, human body is produced significant impact at once if break accidentally;
2), the power consumption height, its power consumption generally is higher than three times of LED fluorescent tube when same brightness;
3), the life-span is short, the life-span of general fluorescent lamp is 5000～10000 hours, is 1/5 life-span of good LED fluorescent tube;
4), ultraviolet ray irradiation is arranged, influential to human body, to the also influence of qualitative change again of object on every side;
5), on making and reclaiming, environmental issue can occur,, environment is had a significant impact, abandon arbitrarily after can not manufacturing arbitrarily and use, cause manufacturing and cost recovery height because of containing mercury vapour.
And general LED fluorescent tube, it adopts LED as light source, and its light efficiency is higher, more energy-conservation, longer service life, and more environmental protection.The LED fluorescent tube has become the ideal product of present replacement fluorescent tube.LED fluorescent tube fluorescent tube is all the same on the overall dimensions bore with traditional fluorescent lamp, the economize on electricity of LED fluorescent tube is up to more than 70%, life-span is more than 10 times of common fluorescent tube, almost be non-maintaining, do not have the problem that will often change fluorescent tube, ballast, starter, the expense of saving of getting off half a year approximately just can gain cost.LED is as the semi-conductor electricity light source of environmental type, and light is soft, and color is pure, helps people's sight protectio and healthy.The LED fluorescent tube has following advantage:
1), environment-friendly type light fixture: contain a large amount of mercury vapours in traditional fluorescent lamp, if broken mercury vapour then can evaporate in the atmosphere.But the LED fluorescent tube does not then use mercury, and the LED product is not leaded yet, and environment is played a protective role.The LED fluorescent tube is acknowledged as the green illumination of 21st century;
2), caloric value is few: conventional lamp can produce a large amount of heat energy, and the LED light fixture then is that electric energy all is converted to luminous energy, can not cause the waste of the energy, and to file, clothing can not produce the phenomenon of fading yet;
3), do not have noise: be suitable for the library, the occasion of office and so on is for the more excellent choosing of occasion of using precision electronic device;
4), protection eyes: what traditional fluorescent lamp used is alternating current, so can produce 100-120 time stroboscopic each second, and the LED fluorescent tube adopts the LED constant current to work; be that alternating current directly is converted to direct current, effectively reduce the LED light decay, start fast; flicker free, the protection eyes.
5), no mosquito worry: therefore harmful substances such as the LED fluorescent tube can not produce radiation such as ultraviolet light, infrared light, and is not mercurous, heating can not have a lot of mosquitoes to be centered around by the lamp source as traditional fluorescent lighting fixture less, and indoor meeting is become, and clean hygiene is clean and tidy more.
6), operating voltage range is wide: traditional fluorescent lamp is to light by the high voltage that rectifier discharges, and then can't light when voltage reduces.And the LED light fixture can both be lighted (as AC 85-265V) within the voltage of certain limit;
7), power saving, life-span are long: the power consumption of LED fluorescent tube is below 1/3rd of traditional fluorescent lamp, life-span but is 10 times of traditional fluorescent lamp, with traditional fluorescent lamp brightness basically identical, be more than 30,000 hours normal service life, economize on electricity is up to more than 70%, can use for a long time and need not and change, the minimizing labour cost is more suitable in the occasion that is difficult to change;
8), firm firm: LED lamp body itself uses be epoxy resin and and unconventional glass, firmer firm, also can not damage easily even pound at the ground onboard led, can use relievedly;
9), versatility is good: LED fluorescent tube external form, size are the same with traditional fluorescent lamp, alternative conventional lamp.
10), rich color: make full use of the lamp that the coloury advantage of LED is made various glow colors.
Though current LED fluorescent lamp has many advantages, also has following shortcoming:
1), need cause its manufacturing cost than higher with aluminium base when support plate dispels the heat;
2), driving power module need and LED branch are opened;
3), aluminium base is the lithographic plate type, direction of illumination is poor, is subject to LED light and penetrates one-way, thereby can't accomplish to improve wider light angle.
The applicant's purpose is exactly the defective that overcomes current LED fluorescent lamp.
[summary of the invention]
The objective of the invention is to be to overcome the deficiencies in the prior art, the ceramic support plate LED fluorescent tube that a kind of production cost is lower, thermal diffusivity better, use is safer is provided.
In order to solve the technical problem of above-mentioned existence, the present invention takes following technical proposals:
A kind of ceramic support plate LED fluorescent tube, include fluorescent tube outer cover and the double-legged joint that is connected on the outer cover two ends, in described outer cover, be provided with integrated ceramic substrate, described ceramic base plate surface includes the supply unit installed surface that is used for that at least simultaneously the LED installed surface of LED lamp is installed and is used for the work of driving LED lamp, the circuit that the equal useful conductive paste of wire mark is made on each face of LED installed surface and supply unit installed surface.
In improvement project to above-mentioned ceramic support plate LED fluorescent tube, described LED installed surface have the two sides or more than, be 90 ~ 180 angles between the adjacent LED installed surface; Described supply unit installed surface is positioned at the back side of ceramic substrate.
In the improvement project to above-mentioned ceramic support plate LED fluorescent tube, both sides are respectively equipped with boss before and after described ceramic substrate, are provided with the draw-in groove of the boss that is used for blocking ceramic substrate in described outer cover.
In the improvement project to above-mentioned ceramic support plate LED fluorescent tube, described conductive paste is melten gel or the molten slurry that is melt into tin, silver or copper.
Compared with prior art, 1), because its wiring board is the substrate made from ceramic post sintering of the present invention have a following advantage:, it is made and comes simply and easily more than aluminium base, and does not need to electroplate water and wash, so production cost of the present invention is lower, more energy-conserving and environment-protective; 2), in addition, after testing: the thermal conductivity factor of the used aluminium base of present stage LED fluorescent tube is 240w/m.k, and the thermal conductivity factor of pottery is near 200w/m.k, they are more or less the same aspect heat-conducting system, but the area of dissipation of ceramic substrate and volume ratio aluminium base are also big, have more heat-sinking capability, this can reduce because of the probability of the bad LED of burning out lamp that dispels the heat, thereby has improved the service life of ceramic support plate LED fluorescent tube; 3), owing to belong to high impedance after the ceramic solidification, can improve safety in utilization, be particularly suitable for the applying high voltage power supply or require on the high product of impedance.
The present invention is further described below in conjunction with the drawings and specific embodiments:
[description of drawings]
Fig. 1 is the assembling schematic diagram of the embodiment of the invention;
Fig. 2 is the structural representation one of the embodiment of the invention;
Fig. 3 is the structural representation two of the embodiment of the invention;
Fig. 4 is the schematic diagram after the ceramic substrate online stamps circuit;
Fig. 5 is the schematic diagram behind the electric elements of burn-oning on the ceramic substrate;
Fig. 6 is used for the schematic diagram of web plate of wire mark circuit.
[specific embodiment]
The present invention is a kind of ceramic support plate LED fluorescent tube, include fluorescent tube outer cover 1 and the double-legged joint 2 that is connected on outer cover 1 two ends, in described outer cover 1, be provided with integrated ceramic substrate 3, described ceramic substrate 3 surfaces include the supply unit installed surface 32 that is used for that at least simultaneously the LED installed surface 31 of LED lamp is installed and is used for the work of driving LED lamp, the circuit 33 that the equal useful conductive paste of wire mark is made on each face of LED installed surface 31 and supply unit installed surface 32 is equivalent to the Copper Foil on the current printed circuit board (PCB).
Because wiring board of the present invention is the substrate made from ceramic post sintering, it is made and comes simply and easily more than aluminium base, and does not need to electroplate water and wash, so production cost of the present invention is lower, and more energy-conserving and environment-protective.In addition, after testing: the thermal conductivity factor of the used aluminium base of present stage LED fluorescent tube is 240w/m.k, and the thermal conductivity factor of pottery is near 200w/m.k, they are more or less the same aspect heat-conducting system, but the area of dissipation of ceramic substrate and volume ratio aluminium base are also big, have more heat-sinking capability, this can reduce because of the probability of the bad LED of burning out lamp that dispels the heat, thereby has improved the service life of ceramic support plate LED fluorescent tube.And, belong to high impedance after the ceramic solidification, can improve safety in utilization, be particularly suitable for the applying high voltage power supply or require on the high product of impedance.
Usually, LED installed surface 31 have the two sides or more than, be 90 ~ 180 angles between the adjacent LED installed surface; Described supply unit installed surface 32 is positioned at the back side of ceramic substrate 3, so the cross section of described ceramic substrate 3 is integrated polygons, the irradiating angle difference of the LED lamp on so different installed surface, so improved the limited deficiency of LED lamp self light firing angle degree, thereby realized the more fluorescent lamp irradiation of extensive angle.Because ceramic substrate is an insulator, LED lamp 4 and the supply unit 5 in the fluorescent tube just need not be installed separately like this, and supply unit installed surface 32 is positioned at the back side of ceramic substrate 3, thereby can not influence the irradiation of LED lamp, so structure of the present invention is more reasonable, compact.
In the present embodiment, both sides, described ceramic substrate 3 front and back are respectively equipped with boss 34, be provided with the draw-in groove 11 of the boss 34 that is used for blocking ceramic substrate in described outer cover 1, so when mounted, the draw-in groove 11 that the boss 34 of ceramic substrate is aimed at outer covers 1 inserts and gets final product.
The wire mark conductive paste is made wiring board on substrate: the wiring according to circuit 33 designs web plate 6(earlier as shown in Figure 6), promptly on the correspondence position of web plate 6, leave corresponding wire mark hole, when web plate is laid in the LED installed surface of substrate or supply unit installed surface, coat conductive paste again in the wire mark hole and promptly made the circuit on the installed surface, be illustrated in figure 4 as the line layout schematic diagram of wire mark to the supply unit installed surface.In the same way, on the LED installed surface, spread corresponding web plate and come the wire mark line layout.
After finishing the wire mark of circuit, the electric elements of corresponding LED lamp 4 or supply unit 5 just can have been welded, as shown in Figure 5.
Conductive paste can be melten gel or the molten slurry that is melt into tin, silver or copper, and the conductive paste that it is a kind of one-component, can directly weld also is suitable for the printing of SMD technology and multilayer tie point.Can directly weld, need not the additional technique flow process; Can repair by hot air leveling or hand weldering, adhesive force is good.Drying condition: behind the screen painting under 150 ° of C baking got final product in 30 minutes.
Claims (4)
1. ceramic support plate LED fluorescent tube, include fluorescent tube outer cover (1) and be connected double-legged joint (2) on outer cover (1) two ends, it is characterized in that: in described outer cover (1), be provided with integrated ceramic substrate (3), described ceramic substrate (3) surface includes the supply unit installed surface (32) that at least simultaneously is used for that the LED installed surface (31) of LED lamp (4) is installed and is used for the work of driving LED lamp, the circuit (33) that the equal useful conductive paste of wire mark is made on each face of LED installed surface (31) and supply unit installed surface (32).
2. ceramic support plate LED fluorescent tube according to claim 1 is characterized in that: described LED installed surface (31) have the two sides or more than, be 90 ~ 180 angles between the adjacent LED installed surface; Described supply unit installed surface (32) is positioned at the back side of ceramic substrate (3).
3. ceramic support plate LED fluorescent tube according to claim 1 and 2, it is characterized in that: both sides are respectively equipped with boss (34) before and after described ceramic substrate (3), are provided with the draw-in groove (11) of the boss (34) that is used for blocking ceramic substrate (3) in described outer cover (1).
4. ceramic support plate LED fluorescent tube according to claim 1, it is characterized in that: described conductive paste is tin, silver or copper material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102290908A CN102287651A (en) | 2011-08-11 | 2011-08-11 | Light-emitting diode (LED) fluorescent lamp tube with ceramic carrier plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102290908A CN102287651A (en) | 2011-08-11 | 2011-08-11 | Light-emitting diode (LED) fluorescent lamp tube with ceramic carrier plate |
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| CN102287651A true CN102287651A (en) | 2011-12-21 |
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| CN2011102290908A Pending CN102287651A (en) | 2011-08-11 | 2011-08-11 | Light-emitting diode (LED) fluorescent lamp tube with ceramic carrier plate |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103196048A (en) * | 2013-01-14 | 2013-07-10 | 杨渊翔 | Wide-angle light-emitting LED lamp tube |
| CN104180295A (en) * | 2013-05-21 | 2014-12-03 | 海洋王（东莞）照明科技有限公司 | Trimming structure and LED (light emitting diode) lamp adopting trimming structure |
| WO2015039399A1 (en) * | 2013-09-22 | 2015-03-26 | 上海俪德照明科技股份有限公司 | Led photovoltaic module |
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| CN201007462Y (en) * | 2007-02-07 | 2008-01-16 | 林祥州 | LED lamp |
| CN201636629U (en) * | 2010-04-07 | 2010-11-17 | 捌捌叁商贸(武汉)有限公司 | LED fluorescent lamp with large light emitting angle |
| CN201651841U (en) * | 2010-01-21 | 2010-11-24 | 陈建伟 | LED fluorescent lamp without metal radiator |
| CN101949499A (en) * | 2010-09-10 | 2011-01-19 | 深圳市讯宇创科技有限公司 | LED (Light-Emitting Diode) fluorescent lamp |
| CN201844226U (en) * | 2010-07-26 | 2011-05-25 | 阎闾 | Compact type light-emitting device |
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2011
- 2011-08-11 CN CN2011102290908A patent/CN102287651A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201007462Y (en) * | 2007-02-07 | 2008-01-16 | 林祥州 | LED lamp |
| CN201651841U (en) * | 2010-01-21 | 2010-11-24 | 陈建伟 | LED fluorescent lamp without metal radiator |
| CN201636629U (en) * | 2010-04-07 | 2010-11-17 | 捌捌叁商贸(武汉)有限公司 | LED fluorescent lamp with large light emitting angle |
| CN201844226U (en) * | 2010-07-26 | 2011-05-25 | 阎闾 | Compact type light-emitting device |
| CN101949499A (en) * | 2010-09-10 | 2011-01-19 | 深圳市讯宇创科技有限公司 | LED (Light-Emitting Diode) fluorescent lamp |
Non-Patent Citations (1)
| Title |
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| 何迪云: "导电膏的应用", 《电工技术》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103196048A (en) * | 2013-01-14 | 2013-07-10 | 杨渊翔 | Wide-angle light-emitting LED lamp tube |
| CN104180295A (en) * | 2013-05-21 | 2014-12-03 | 海洋王（东莞）照明科技有限公司 | Trimming structure and LED (light emitting diode) lamp adopting trimming structure |
| WO2015039399A1 (en) * | 2013-09-22 | 2015-03-26 | 上海俪德照明科技股份有限公司 | Led photovoltaic module |
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Application publication date: 20111221 |