CN102230585A - LED (light-emitting diode) lamp tube used for replacing T5 straight tube fluorescent lamp - Google Patents
LED (light-emitting diode) lamp tube used for replacing T5 straight tube fluorescent lamp Download PDFInfo
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- CN102230585A CN102230585A CN2011102129850A CN201110212985A CN102230585A CN 102230585 A CN102230585 A CN 102230585A CN 2011102129850 A CN2011102129850 A CN 2011102129850A CN 201110212985 A CN201110212985 A CN 201110212985A CN 102230585 A CN102230585 A CN 102230585A
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- 230000005669 field effect Effects 0.000 claims description 14
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical group [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 11
- 229910052782 aluminium Inorganic materials 0.000 claims description 11
- 239000004065 semiconductor Substances 0.000 claims description 11
- 239000004411 aluminium Substances 0.000 claims description 10
- 238000001816 cooling Methods 0.000 claims description 5
- 239000003990 capacitor Substances 0.000 claims description 3
- 230000000977 initiatory effect Effects 0.000 claims description 3
- 229910044991 metal oxide Inorganic materials 0.000 claims description 3
- 150000004706 metal oxides Chemical class 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
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Abstract
The invention relates to an LED (light-emitting diode) lamp tube used for replacing a T5 straight tube fluorescent lamp, and the LED lamp tube comprises a T5 lamp tube section bar, a PCB (Printed Circuit Board), a lamp holder, a power module, alternating current driving chips and a plurality of LEDs (Light Emitting Diodes), wherein the PCB is fixed on the T5 lamp tube section bar; the power module is fixed in the T5 lamp tube section bar; the lamp holder is fixed on two ends of the PCB; the LEDs and the alternating current driving chips are fixed on the PCB; and the alternating current driving chips are connected with the LEDs and are electrically connected with a lamp holder circuit by the power module. In the LED lamp tube, the alternating current driving chips are used for replacing a driver, so that the T5 LED lamp tube possibly directly replaces the T5 straight tube fluorescent lamp, thus the LED lamp tube is suitable for be wide popularization and use.
Description
Technical field
The present invention relates to a kind of lighting device, particularly relate to a kind of LED fluorescent tube that is used for replacing the T5 straight tube fluorescent lamp.
Background technology
Because the LED fluorescent tube is more energy-conservation nearly 50% than straight tube fluorescent lamp, so straight tube fluorescent lamp is substituted by the LED fluorescent tube just gradually.At present, profile is the LED fluorescent tube of T8 (diameter 25.4mm), T10 (diameter 31.8mm), and its aluminium matter cooling stand has enough spaces drive plate of can packing into, therefore can directly substitute existing T8, T10 fluorescent lamp.But profile is the LED fluorescent tube of T5 (diameter 16mm), and its aluminium matter cooling stand does not have the space drive plate of can packing into, and drive plate can only be external, just as the electric ballast of fluorescent lamp, perhaps will be with a support, and as Frame lamp, use has inconvenience more.Therefore, domestic and international so far, there is not a T5 LED fluorescent tube can directly replace the T5 straight tube fluorescent lamp.
This shows that above-mentioned existing T5 LED fluorescent tube obviously still has inconvenience and defective, and demands urgently further being improved in structure and use.How founding a kind of new LED fluorescent tube that can directly replace the T5 straight tube fluorescent lamp, is that the current industry utmost point needs improved target.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of LED fluorescent tube that is used for replacing the T5 straight tube fluorescent lamp, makes directly to replace the T5 straight tube fluorescent lamp, thereby overcomes the deficiency of existing T5 LED fluorescent tube.
For solving the problems of the technologies described above, a kind of LED fluorescent tube that is used for replacing the T5 straight tube fluorescent lamp of the present invention, comprise that T5 fluorescent tube section bar, pcb board, lamp socket, power module, interchange drive chip and a plurality of LED light emitting diode, wherein: pcb board is fixed on the T5 fluorescent tube section bar, power module is fixed in the T5 fluorescent tube section bar, lamp socket is fixed on the two ends of pcb board, and the LED light emitting diode drives chip and is fixed on the pcb board with exchanging; Exchange the driving chip and be connected, and be connected with the lamp socket circuit by power module with the LED circuit of LED.
As a kind of improvement of the present invention, described T5 fluorescent tube section bar is an aluminium matter.
Described pcb board is an aluminium base.
Also be fixed with aluminium matter cooling stand in the described T5 fluorescent tube section bar.
Described interchange drives chip and comprises voltage input module, voltage distribution module and many group buffering-voltage comparison module and semiconductor field effect transistor MOSFET, wherein: the source electrode of first MOSFET is connected with earth potential, grid is directly connected in an input of this group buffering-voltage comparison module, is connected in the output of voltage input module simultaneously, and drain electrode is connected on the series circuit of LED light emitting diode as the output that drives chip; The source electrode of other MOSFET is by can equivalence being that the element group of resistance is connected with earth potential, grid is connected in an input of this group buffering-voltage comparison module, is connected in the output of preceding pool of buffer-voltage comparison module simultaneously, and drain electrode is connected on the series circuit of LED light emitting diode as the output that drives chip; Another input of above-mentioned buffering-voltage comparison module is connected with the voltage distribution module; The output of voltage input module also is connected with the initiating terminal on LED light emitting diode series line road, and is connected in earth potential by the voltage distribution module.
Described voltage input module is a semiconductor field effect transistor, and its grid is connected with the external voltage input, and drain electrode is through can equivalence being connected in earth potential for the element group of resistance, and source electrode is the output of voltage input module.
Described interchange drives chip and also comprises circuit of power factor correction, this circuit of power factor correction is a triode, its colelctor electrode is connected with the grid of voltage input module and is connected with the external voltage input by inductance by the diode that a forward connects, and emitter stage is connected with earth potential by the diode that oppositely connects.
Described semiconductor field effect transistor MOSFET is V-type groove field-effect transistor VMOS, and described voltage input module is enhancement mode metal-oxide layer-semiconductor field effect transistor.
Described interchange drives chip and also is connected with rectification circuit, EMC circuit and surge absorbing circuit.
Described EMC circuit mainly comprises the inductance L that is positioned on the main line, and the capacitor C in parallel with rectification circuit.
After adopting such design, the present invention drives chip replacement driver by exchanging, and making T5 LED fluorescent tube directly replace the T5 straight tube fluorescent lamp becomes possibility, thereby is more suitable for extensively promoting the use of.
Description of drawings
Above-mentioned only is the general introduction of technical solution of the present invention, and for can clearer understanding technological means of the present invention, the present invention is described in further detail below in conjunction with accompanying drawing and the specific embodiment.
Fig. 1 is a kind of structural representation that is used for replacing the LED fluorescent tube of T5 straight tube fluorescent lamp of the present invention.
Fig. 2 is a kind of another kind of structural representation that is used for replacing the LED fluorescent tube of T5 straight tube fluorescent lamp of the present invention.
Fig. 3 is a kind of circuit connection diagram that is used for replacing the LED fluorescent tube of T5 straight tube fluorescent lamp of the present invention.
Fig. 4 is that a kind of interchange that is used for replacing the LED fluorescent tube of T5 straight tube fluorescent lamp of the present invention drives the chip circuit schematic diagram.
The specific embodiment
See also Fig. 1, shown in Figure 2, the present invention is used for replacing the LED fluorescent tube of T5 straight tube fluorescent lamp, comprises T5 fluorescent tube section bar 1, pcb board 2, lamp socket 3, power module 4, exchanges driving chip 5 and a plurality of LED light emitting diode 6.
Wherein, pcb board 2 is fixed on the T5 fluorescent tube section bar 1, and power module 4 is fixed in the T5 fluorescent tube section bar 1, and lamp socket 3 is fixed on the two ends of pcb board 2, and LED light emitting diode 6 drives chip 5 and is fixed on the pcb board 2 with exchanging.
Exchange driving chip 5 and be connected, and be connected with lamp socket 3 circuit by power module 4 with LED light emitting diode 6 circuit.
Preferable, T5 LED fluorescent tube can adopt two kinds of versions: can as shown in Figure 1 power module 4, interchange driving chip 5 and all LED light emitting diodes 6 be attached on the aluminum base PCB plate 2 in the lump; Or as shown in Figure 2, power module 4 is fixed on separately in the aluminium matter T5 fluorescent tube section bar 1, and aluminium matter cooling stand is housed in T5 fluorescent tube section bar 1, more help the safe, reliable of product.
Please cooperate and consult shown in Figure 3ly, LED light emitting diode 6 drives by exchange driving chip 5, exchanges to drive chip 5 and also be connected with rectification circuit, EMC (Electro Magnetic Compatibility, Electro Magnetic Compatibility) circuit and surge absorbing circuit etc.Wherein, the EMC circuit mainly comprises the inductance L that is positioned on the main line, and the capacitor C in parallel with rectification circuit.
Please cooperate and consult shown in Figure 4ly, interchange used in the present invention drives chip 5 and mainly comprises voltage input module, voltage distribution module and many group buffering-voltage comparison module 51 and semiconductor field effect transistor MOSFET Q1-Qn.
Wherein, semiconductor field effect transistor MOSFET Q1-Qn can adopt V-type groove field-effect transistor VMOS.The source electrode of MOSFET Q1 links to each other with earth potential, grid is directly connected in an input of first group of buffering-voltage comparison module, is connected in the output of voltage input module simultaneously, another input of first group of buffering-voltage comparison module is connected to the tie point place between series resistance R1 and the R2 respectively, first group of buffering-voltage comparison module output links to each other with the grid of MOSFET Q2, and the drain electrode of MOSFET Q1 is connected on the series circuit of external LED light emitting diode as the output of drive unit.
The source electrode of MOSFET Qn (n＞1) is by resistance or can equivalence be that the element group of resistance links to each other with earth potential, grid is connected in an input of n group buffering-voltage comparison module, is connected in the output that n-1 organizes buffering-voltage comparison module simultaneously, another input of n group buffering-voltage comparison module is connected to the tie point place between series resistance R2n-1 and the R2n, and the drain electrode of MOSFET Qn is connected on the series circuit of external LED light emitting diode as the output of drive unit.
The voltage distribution module is promptly by above-mentioned R1 and R2, and the n bar branch road that R2n-1 and R2n form composes in parallel.
The voltage input module can adopt enhancement mode metal-oxide layer-semiconductor field effect transistor MOSFET Q0, and its output is connected with the initiating terminal of the series circuit of LED light emitting diode, and is connected in earth potential by the voltage distribution module.
In addition, exchange the driving chip and also comprise circuit of power factor correction, this circuit of power factor correction is triode Qi, its colelctor electrode is connected with the grid of voltage input module Q0 and is connected with external voltage input VIN by inductance L by the diode D1 that a forward connects, and emitter stage is connected with earth potential by the diode D2 that oppositely connects.
The grid of voltage input module Q0 is connected with external voltage input VIN, and the drain electrode of Q0 is connected in earth potential through a resistance R x, the source electrode of Q0 be the voltage input module output, be connected in earth potential through the voltage distribution module.
Owing to adopted above-mentioned interchange to drive chip, the present invention can will drive chip and be assembled on the pcb board with the LED light emitting diode is integrated, the power module of volume exquisiteness also can be fixed on the pcb board or directly be fixed in the T5 fluorescent tube section bar, the LED fluorescent tube of the present invention that assembling is finished, its appearance and size and T5 straight tube fluorescent lamp are in full accord, can be used for directly replacing the T5 straight tube fluorescent lamp, use conveniently, be suitable for extensive popularization.
The above; it only is preferred embodiment of the present invention; be not that the present invention is done any pro forma restriction, those skilled in the art utilize the technology contents of above-mentioned announcement to make a little simple modification, equivalent variations or modification, all drop in protection scope of the present invention.
Claims (10)
1. a LED fluorescent tube that is used for replacing the T5 straight tube fluorescent lamp is characterized in that comprising that T5 fluorescent tube section bar, pcb board, lamp socket, power module, interchange drive chip and a plurality of LED light emitting diode, wherein:
Pcb board is fixed on the T5 fluorescent tube section bar, and power module is fixed in the T5 fluorescent tube section bar, and lamp socket is fixed on the two ends of pcb board, and the LED light emitting diode drives chip and is fixed on the pcb board with exchanging;
Exchange the driving chip and be connected, and be connected with the lamp socket circuit by power module with the LED circuit of LED.
2. a kind of LED fluorescent tube that is used for replacing the T5 straight tube fluorescent lamp according to claim 1 is characterized in that described T5 fluorescent tube section bar is an aluminium matter.
3. a kind of LED fluorescent tube that is used for replacing the T5 straight tube fluorescent lamp according to claim 1 is characterized in that described pcb board is an aluminium base.
4. a kind of LED fluorescent tube that is used for replacing the T5 straight tube fluorescent lamp according to claim 1 is characterized in that also being fixed with aluminium matter cooling stand in the described T5 fluorescent tube section bar.
5. according to each described a kind of LED fluorescent tube that is used for replacing the T5 straight tube fluorescent lamp among the claim 1-4, it is characterized in that described interchange drives chip and comprises voltage input module, voltage distribution module and many group buffering-voltage comparison module and semiconductor field effect transistor MOSFET, wherein:
The source electrode of first MOSFET is connected with earth potential, grid is directly connected in an input of this group buffering-voltage comparison module, is connected in the output of voltage input module simultaneously, and drain electrode is connected on the series circuit of LED light emitting diode as the output that drives chip;
The source electrode of other MOSFET is by can equivalence being that the element group of resistance is connected with earth potential, grid is connected in an input of this group buffering-voltage comparison module, is connected in the output of preceding pool of buffer-voltage comparison module simultaneously, and drain electrode is connected on the series circuit of LED light emitting diode as the output that drives chip;
Another input of above-mentioned buffering-voltage comparison module is connected with the voltage distribution module;
The output of voltage input module also is connected with the initiating terminal on LED light emitting diode series line road, and is connected in earth potential by the voltage distribution module.
6. a kind of LED fluorescent tube that is used for replacing the T5 straight tube fluorescent lamp according to claim 5, it is characterized in that described voltage input module is a semiconductor field effect transistor, its grid is connected with the external voltage input, drain electrode is through can equivalence being connected in earth potential for the element group of resistance, and source electrode is the output of voltage input module.
7. a kind of LED fluorescent tube that is used for replacing the T5 straight tube fluorescent lamp according to claim 6, it is characterized in that described interchange drives chip and also comprises circuit of power factor correction, this circuit of power factor correction is a triode, its colelctor electrode is connected with the grid of voltage input module and is connected with the external voltage input by inductance by the diode that a forward connects, and emitter stage is connected with earth potential by the diode that oppositely connects.
8. a kind of LED fluorescent tube that is used for replacing the T5 straight tube fluorescent lamp according to claim 5, it is characterized in that described semiconductor field effect transistor MOSFET is V-type groove field-effect transistor VMOS, described voltage input module is enhancement mode metal-oxide layer-semiconductor field effect transistor.
9. a kind of LED fluorescent tube that is used for replacing the T5 straight tube fluorescent lamp according to claim 5 is characterized in that described interchange drives chip and also is connected with rectification circuit, EMC circuit and surge absorbing circuit.
10. a kind of LED fluorescent tube that is used for replacing the T5 straight tube fluorescent lamp according to claim 9 is characterized in that described EMC circuit mainly comprises the inductance L that is positioned on the main line, and the capacitor C in parallel with rectification circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102129850A CN102230585B (en) | 2011-07-28 | 2011-07-28 | LED (light-emitting diode) lamp tube used for replacing T5 straight tube fluorescent lamp |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102129850A CN102230585B (en) | 2011-07-28 | 2011-07-28 | LED (light-emitting diode) lamp tube used for replacing T5 straight tube fluorescent lamp |
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| Publication Number | Publication Date |
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| CN102230585A true CN102230585A (en) | 2011-11-02 |
| CN102230585B CN102230585B (en) | 2013-09-04 |
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| CN2011102129850A Expired - Fee Related CN102230585B (en) | 2011-07-28 | 2011-07-28 | LED (light-emitting diode) lamp tube used for replacing T5 straight tube fluorescent lamp |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102635804A (en) * | 2012-04-23 | 2012-08-15 | 侯李光 | LED (light-emitting diode) lamp tube capable of replacing T5 fluorescent lamp |
| CN102644876A (en) * | 2012-04-20 | 2012-08-22 | 侯李光 | LED light tube capable of replacing T5 fluorescent lamp |
| CN107388071A (en) * | 2017-07-07 | 2017-11-24 | 厦门普为光电科技有限公司 | Rectifiable and the LED lamp tube of burning voltage |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007294143A (en) * | 2006-04-21 | 2007-11-08 | Daikin Ind Ltd | Lighting system and bed provided with lighting system |
| CN101344239A (en) * | 2008-08-26 | 2009-01-14 | 深圳市众明半导体照明有限公司 | LED light tube for substituting fluorescent lamp tube used on fluorescent lamp stand |
| DE202010004091U1 (en) * | 2010-03-23 | 2010-08-05 | Jung, Stefan, Dipl.-Ing. | LED luminous tube with protective extra-low voltage (12 ... 24 V) for use in conventional T8 / T5 fluorescent tube lights |
| CN101800280A (en) * | 2010-02-08 | 2010-08-11 | 湖北蓝科光电有限公司 | Groove-shaped LED light source substrate as well as production method thereof and fluorescent lamp applying same |
| CN201666480U (en) * | 2010-02-08 | 2010-12-08 | 湖北蓝科光电有限公司 | Novel combined LED fluorescent lamp |
| CN102098849A (en) * | 2011-01-27 | 2011-06-15 | 陈卫平 | Light-emitting diode (LED) driving chip |
| CN202195329U (en) * | 2011-07-28 | 2012-04-18 | 陈卫平 | LED lamp tube used for replacing T5 straight-tube fluorescent lamp |
-
2011
- 2011-07-28 CN CN2011102129850A patent/CN102230585B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007294143A (en) * | 2006-04-21 | 2007-11-08 | Daikin Ind Ltd | Lighting system and bed provided with lighting system |
| CN101344239A (en) * | 2008-08-26 | 2009-01-14 | 深圳市众明半导体照明有限公司 | LED light tube for substituting fluorescent lamp tube used on fluorescent lamp stand |
| CN101800280A (en) * | 2010-02-08 | 2010-08-11 | 湖北蓝科光电有限公司 | Groove-shaped LED light source substrate as well as production method thereof and fluorescent lamp applying same |
| CN201666480U (en) * | 2010-02-08 | 2010-12-08 | 湖北蓝科光电有限公司 | Novel combined LED fluorescent lamp |
| DE202010004091U1 (en) * | 2010-03-23 | 2010-08-05 | Jung, Stefan, Dipl.-Ing. | LED luminous tube with protective extra-low voltage (12 ... 24 V) for use in conventional T8 / T5 fluorescent tube lights |
| CN102098849A (en) * | 2011-01-27 | 2011-06-15 | 陈卫平 | Light-emitting diode (LED) driving chip |
| CN202195329U (en) * | 2011-07-28 | 2012-04-18 | 陈卫平 | LED lamp tube used for replacing T5 straight-tube fluorescent lamp |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102644876A (en) * | 2012-04-20 | 2012-08-22 | 侯李光 | LED light tube capable of replacing T5 fluorescent lamp |
| CN102635804A (en) * | 2012-04-23 | 2012-08-15 | 侯李光 | LED (light-emitting diode) lamp tube capable of replacing T5 fluorescent lamp |
| CN102635804B (en) * | 2012-04-23 | 2014-04-02 | 侯李光 | LED (light-emitting diode) lamp tube capable of replacing T5 fluorescent lamp |
| CN107388071A (en) * | 2017-07-07 | 2017-11-24 | 厦门普为光电科技有限公司 | Rectifiable and the LED lamp tube of burning voltage |
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| Publication number | Publication date |
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| CN102230585B (en) | 2013-09-04 |
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