CN202195329U - LED lamp tube used for replacing T5 straight-tube fluorescent lamp - Google Patents
LED lamp tube used for replacing T5 straight-tube fluorescent lamp Download PDFInfo
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- CN202195329U CN202195329U CN2011202701525U CN201120270152U CN202195329U CN 202195329 U CN202195329 U CN 202195329U CN 2011202701525 U CN2011202701525 U CN 2011202701525U CN 201120270152 U CN201120270152 U CN 201120270152U CN 202195329 U CN202195329 U CN 202195329U
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Abstract
The utility model discloses an LED lamp tube used for replacing a T5 straight-tube fluorescent lamp. The LED lamp tube comprises a T5 lamp tube sectional material, a PCB (Printed Circuit Board), a lamp base, a power module, an AC driving chip and a plurality of LEDs, wherein the PCB is fixed on the T5 lamp tube sectional material; the power module is fixed in the T5 lamp tube sectional material; the lamp base is fixed at the two ends of the PCB; the LEDs and the AC driving chip are fixed on the PCB; and the AC driving chip and the LEDs are in circuit connection, and are connected with a lamp base circuit via the power module. According to the utility model, the technical scheme that the T5 straight-tube fluorescent lamp is directly replaced by the T5 LED lamp tube becomes possible, so that the LED lamp tube provided by the utility model is more suitable for wide popularization and use.
Description
Technical field
The utility model relates to a kind of lighting device, particularly relates 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 is general as Frame lamp, and use has inconvenience more.Therefore, domestic and international so far, there is not a T5LED fluorescent tube can directly replace the T5 straight tube fluorescent lamp.
This shows that above-mentioned existing T5LED fluorescent tube obviously still has inconvenience and defective, and demands urgently further improving 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.
The utility model content
The technical problem that the utility model will solve 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 T5LED 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 utility model; Comprise T5 fluorescent tube section bar, pcb board, lamp socket, power module, AC driving 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; Lamp socket is fixed on the two ends of pcb board, and LED light emitting diode and AC driving chip are fixed on the pcb board; The AC driving chip is connected with the LED circuit of LED, and is connected with the lamp socket circuit through power module.
As a kind of improvement of the utility model, 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 AC driving chip 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 of chip for driving; The source electrode of other MOSFET is through 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 of chip for driving; 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 through 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 AC driving chip 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, also is connected with the external voltage input through inductance through the diode that a forward connects, and emitter stage is connected with earth potential through the reverse diode that 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 AC driving chip 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 parallelly connected with rectification circuit.
After adopting such design, the utility model replaces driver by the AC driving chip, and making the T5LED 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 the utility model technical scheme, in order more to know the technological means of understanding the utility model, below in conjunction with the accompanying drawing and the specific embodiment the utility model is done further to specify.
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 utility model.
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 utility model.
Fig. 3 is that a kind of circuit that is used for replacing the LED fluorescent tube of T5 straight tube fluorescent lamp of the utility model connects sketch map.
Fig. 4 is a kind of AC driving chip circuit sketch map that is used for replacing the LED fluorescent tube of T5 straight tube fluorescent lamp of the utility model.
The specific embodiment
See also Fig. 1, shown in Figure 2, the utility model 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, AC 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 is fixed on the pcb board 2 with AC driving chip 5.
Preferable, the T5LED fluorescent tube can adopt two kinds of versions: can be as shown in Figure 1, power module 4, AC driving chip 5 and all LED light emitting diodes 6 are 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 safety of products, reliable.
Please cooperate and consult shown in Figure 3ly, LED light emitting diode 6 drives by AC driving chip 5, and AC driving chip 5 also is 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 parallelly connected with rectification circuit.
Please cooperate and consult shown in Figure 4ly, the employed AC driving chip 5 of the utility model 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 through 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 MOSFETQ0, and its output is connected with the initiating terminal of the series circuit of LED light emitting diode, and is connected in earth potential through the voltage distribution module.
In addition; The AC driving chip also comprises 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, also is connected with external voltage input VIN through inductance L through the diode D1 that a forward connects, and emitter stage is connected with earth potential through the reverse diode D2 that 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 AC driving chip; The utility model can be assembled on the pcb board with chip for driving with the LED light emitting diode is integrated, and the exquisite power module of volume also can be fixed on the pcb board or directly be fixed in the T5 fluorescent tube section bar, the utility model LED fluorescent tube that assembling is accomplished; 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 the preferred embodiment of the utility model; Be not that the utility model 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 the protection domain of the utility model.
Claims (10)
1. a LED fluorescent tube that is used for replacing the T5 straight tube fluorescent lamp is characterized in that comprising T5 fluorescent tube section bar, pcb board, lamp socket, power module, AC driving 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 LED light emitting diode and AC driving chip are fixed on the pcb board;
The AC driving chip is connected with the LED circuit of LED, and is connected with the lamp socket circuit through power module.
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 AC driving chip 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 of chip for driving;
The source electrode of other MOSFET is through 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 of chip for driving;
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 through 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 AC driving chip 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, also is connected with the external voltage input through inductance through the diode that a forward connects, and emitter stage is connected with earth potential through the reverse diode that 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 AC driving chip 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 parallelly connected with rectification circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202701525U CN202195329U (en) | 2011-07-28 | 2011-07-28 | LED lamp tube used for replacing T5 straight-tube fluorescent lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202701525U CN202195329U (en) | 2011-07-28 | 2011-07-28 | LED lamp tube used for replacing T5 straight-tube fluorescent lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202195329U true CN202195329U (en) | 2012-04-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202701525U Expired - Fee Related CN202195329U (en) | 2011-07-28 | 2011-07-28 | LED lamp tube used for replacing T5 straight-tube fluorescent lamp |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102230585A (en) * | 2011-07-28 | 2011-11-02 | 陈卫平 | LED (light-emitting diode) lamp tube used for replacing T5 straight tube fluorescent lamp |
| CN104165296A (en) * | 2014-09-11 | 2014-11-26 | 施勇 | Novel T8 serial-connection type LED lamp tube structure |
| WO2017152408A1 (en) * | 2016-03-10 | 2017-09-14 | 深圳市瑞梓光电科技有限公司 | Led lamp tube |
| CN107333354A (en) * | 2017-07-07 | 2017-11-07 | 厦门普为光电科技有限公司 | LED lamp tube with boost pressure circuit |
-
2011
- 2011-07-28 CN CN2011202701525U patent/CN202195329U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102230585A (en) * | 2011-07-28 | 2011-11-02 | 陈卫平 | LED (light-emitting diode) lamp tube used for replacing T5 straight tube fluorescent lamp |
| CN104165296A (en) * | 2014-09-11 | 2014-11-26 | 施勇 | Novel T8 serial-connection type LED lamp tube structure |
| WO2017152408A1 (en) * | 2016-03-10 | 2017-09-14 | 深圳市瑞梓光电科技有限公司 | Led lamp tube |
| CN107333354A (en) * | 2017-07-07 | 2017-11-07 | 厦门普为光电科技有限公司 | LED lamp tube with boost pressure circuit |
| CN107333354B (en) * | 2017-07-07 | 2020-07-10 | 厦门普为光电科技有限公司 | L ED lamp tube with voltage boosting circuit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHANGHAI LEADESCO LIGHTING TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: CHEN WEIPING Effective date: 20120724 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 200000 MINHANG, SHANGHAI TO: 201103 MINHANG, SHANGHAI |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20120724 Address after: 201103 Shanghai city Minhang District Jinhui road 463 Lane 28, B building two floor A block Patentee after: Shanghai Lead Esco Co., Ltd. Address before: 200000 Shanghai city Minhang District Jinhui road 463 Lane 28, B building two floor A-F block Patentee before: Chen Weiping |
|
| C56 | Change in the name or address of the patentee |
Owner name: SHANGHAI LEADESCO LIGHTING TECHNOLOGY CO., LTD. Free format text: FORMER NAME: SHANGHAI LEAD ESCO CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: 200000 Shanghai Caohejing Songjiang hi tech park Xinzhuan Highway No. 518, building 42, Room 202 Patentee after: Shanghai Leadesco Lighting Technology Co., Ltd. Address before: 201103 Shanghai city Minhang District Jinhui road 463 Lane 28, B building two floor A block Patentee before: Shanghai Lead Esco Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120418 Termination date: 20170728 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |