CN202873126U - T8 three-compatible LED fluorescent tube - Google Patents
T8 three-compatible LED fluorescent tube Download PDFInfo
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- CN202873126U CN202873126U CN 201220442189 CN201220442189U CN202873126U CN 202873126 U CN202873126 U CN 202873126U CN 201220442189 CN201220442189 CN 201220442189 CN 201220442189 U CN201220442189 U CN 201220442189U CN 202873126 U CN202873126 U CN 202873126U
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Abstract
The utility model discloses a T8 three-compatible LED fluorescent tube, comprising a power-supply input end connected with a voltage stabilizing circuit in parallel, a control integrated circuit of an LED driver, a MOSFET and an LED power-supply output end with which is connected with a ninth diode in parallel and is used for supplying for the LED fluorescent tube. A cathode of the power-supply input end is connected with a first inductor and an anode is connected with a second inductor, and then is connected with a first electrolytic capacitor in parallel. A first base pin of the control integrated circuit of the LED driver is connected with a cathode of the first electrolytic capacitor, a second base pin is connected with an anode of the first electrolytic capacitor and a eighth base pin is connected with the anode of the first electrolytic capacitor. A grid electrode of the MOSFET is connected with a fourth base pin of the control integrated circuit of the LED driver and a drain electrode is connected with the cathode of the first electrolytic capacitor by the ninth diode. The LED fluorescent tube provided by the utility model is compatible with an inductance rectifier, a starter and an electronic rectifier without changing the original circuit. The tube can be directly replaced and use is very convenient. A use scope of the LED fluorescent tube is greatly enlarged.
Description
Technical field
The utility model relates to a kind of T8 three compatible with LED fluorescent tubes.
Background technology
LED(Light Emitting Diode, light-emitting diode) fluorescent tube is with its energy-saving and environmental protection, long-life, and extremely user's favor.Wherein, the T8LED fluorescent tube adopt up-to-date the 4th generation light source, energy-conserving and environment-protective are developing direction of following illumination.The T8LED fluorescent tube is Straight, and common fluorescent tube is similar, and only the aluminium alloy heat radiation is adopted at the back side, the positive PC of employing covers but not cloche, and it is the low-voltage direct-current power supply that the T8LED fluorescent tube adopts, and can not directly connect civil power, so it need to be with a power supply, just can connect civil power behind the step-down rectifier.
But most of T8LED fluorescent tubes can not be compatible with inductor rectifier, starter, the electron rectifier of traditional fluorescent lamp pipe, must just can replace the primary circuit repacking.Although also there is at present part T8LED fluorescent tube can solve inductor rectifier, starter compatibling problem, but still can not be compatible to electron rectifier simultaneously, demand urgently improving.
The utility model content
For the problem that prior art exists, the purpose of this utility model is to propose a kind of T8 three compatible with LED fluorescent tubes, by enforcement of the present utility model, has realized that inductor rectifier, starter and the electron rectifier of T8LED fluorescent tube is compatible.
For reaching this purpose, the utility model by the following technical solutions:
A kind of T8 three compatible with LED fluorescent tubes comprise:
Power input, the voltage stabilizing circuit that the diode of connecting with 4 groups forms is in parallel; Described power input negative pole is anodal by behind the second inductance by the first inductance, described power input, and is in parallel with the first electrochemical capacitor;
Led driver control integration circuit, its first pin connect the negative pole of described the first electrochemical capacitor by the first resistance, the second resistance and the 3rd resistance of series connection; The second pin connects the positive pole of described the first electrochemical capacitor by the 4th resistance and the 5th resistance; Three-prong ground connection; The 8th pin connects the positive pole of described the first electrochemical capacitor by the 7th resistance; The 5th pin, the 6th pin and the 7th pin connect the positive pole of described the first electrochemical capacitor by the 3rd electric capacity;
The MOSFET pipe, grid connects the 4th pin of described led driver control integration circuit by the 6th resistance; Source electrode connects between described the 4th resistance and the 5th resistance, and drain electrode connects the negative pole of described the first electrochemical capacitor by the 9th diode;
The LED power output end with described the 9th diodes in parallel, and is the power supply of LED fluorescent tube.
Preferably, also comprise: the 4th electric capacity, in parallel with described the first electrochemical capacitor.
Preferably, also comprise: the 5th electric capacity, with described the 9th diodes in parallel.
Preferably, also comprise: the second electrochemical capacitor, in parallel with described the first electrochemical capacitor.
Preferably, also comprise between described power input negative pole and described the first electrochemical capacitor negative pole: power-type NTC thermistor.
Preferably, between described power input negative pole and described the first inductance, described power input is anodal and described the second inductance between, cross-over connection the 6th electric capacity.
Preferably, described led driver control integration circuit is the CXL9910 chip.
Based on disclosing of above technical scheme, the utility model possesses following beneficial effect:
The utility model to inductor rectifier, starter, electron rectifier compatibility, need not be reequiped primary circuit, directly replaces, and is very easy to use, improved widely the LED fluorescent tube and got the scope of application.
Description of drawings
Fig. 1 is a kind of T8 three compatible with LED fluorescent lamp tube circuit figure of the utility model embodiment 1.
Embodiment
Further specify the technical solution of the utility model below in conjunction with accompanying drawing and by embodiment:
Embodiment 1 provides a kind of T8 three compatible with LED fluorescent tubes, as shown in Figure 1, comprise: power input, the voltage stabilizing circuit that the diode of connecting with 4 groups forms (diode D1 and diode D4 series connection, diode D2 and diode D5 series connection, diode D3 and diode D6 series connection, diode D7 and diode D8 series connection) parallel connection, input voltage is the direct current scope from 8 volts to 450 volts; Described power input negative pole is anodal by after the second inductance L 2 by the first inductance L 1, described power input, and is in parallel with the first electrochemical capacitor C1 and the second electrochemical capacitor C2.Also comprise four capacitor C 4 in parallel with described the first electrochemical capacitor C1.And between described power input negative pole and described the first inductance L 1, described power input is anodal and described the second inductance L 2 between, cross-over connection the 6th capacitor C 6.
Led driver control integration circuit, its first pin connect the negative pole of described the first electrochemical capacitor C1 by the first resistance R 1, the second resistance R 2 and the 3rd resistance R 3 of series connection; The second pin connects the positive pole of described the first electrochemical capacitor C1 by the 4th resistance R 4 and the 5th resistance R 5; Three-prong ground connection; The 8th pin connects the positive pole of described the first electrochemical capacitor C1 by the 7th resistance R 7; The 5th pin, the 6th pin and the 7th pin connect the positive pole of described the first electrochemical capacitor C1 by the 3rd capacitor C 3.
MOSFET(Metal-Oxide-Semiconductor Field-Effect Transistor, metal-oxide half field effect transistor), grid connects the 4th pin of described led driver control integration circuit by the 6th resistance R 6; Source electrode connects between described the 4th resistance R 4 and the 5th resistance R 5, and drain electrode connects the negative pole of described the first electrochemical capacitor C1 by the 9th diode D9.
The LED power output end, in parallel with described the 9th diode D9, and be the power supply of LED fluorescent tube; The 5th capacitor C 5, in parallel with described the 9th diode D9.
Also comprise between described power input negative pole and described the first electrochemical capacitor C1 negative pole: power-type NTC thermistor, avoid the surge current that produces in the moment of start in the electronic circuit.
Described led driver control integration circuit is C XL9910 chip.
The above; it only is the better embodiment of the utility model; but protection range of the present utility model is not limited to this; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; be equal to replacement or change according to the technical solution of the utility model and utility model design thereof, all should be encompassed within the protection range of the present utility model.
Claims (7)
1. T8 three compatible with LED fluorescent tubes is characterized in that, comprising:
Power input, the voltage stabilizing circuit that the diode of connecting with 4 groups forms is in parallel; Described power input negative pole is anodal by behind the second inductance by the first inductance, described power input, and is in parallel with the first electrochemical capacitor;
Led driver control integration circuit, its first pin connect the negative pole of described the first electrochemical capacitor by the first resistance, the second resistance and the 3rd resistance of series connection; The second pin connects the positive pole of described the first electrochemical capacitor by the 4th resistance and the 5th resistance; Three-prong ground connection; The 8th pin connects the positive pole of described the first electrochemical capacitor by the 7th resistance; The 5th pin, the 6th pin and the 7th pin connect the positive pole of described the first electrochemical capacitor by the 3rd electric capacity;
The MOSFET pipe, grid connects the 4th pin of described led driver control integration circuit by the 6th resistance; Source electrode connects between described the 4th resistance and the 5th resistance, and drain electrode connects the negative pole of described the first electrochemical capacitor by the 9th diode;
The LED power output end with described the 9th diodes in parallel, and is the power supply of LED fluorescent tube.
2. T8 three compatible with LED fluorescent tubes according to claim 1 is characterized in that, also comprise: the 4th electric capacity, and in parallel with described the first electrochemical capacitor.
3. T8 three compatible with LED fluorescent tubes according to claim 1 is characterized in that, also comprise: the 5th electric capacity, and with described the 9th diodes in parallel.
4. T8 three compatible with LED fluorescent tubes according to claim 1 is characterized in that, also comprise: the second electrochemical capacitor, and in parallel with described the first electrochemical capacitor.
5. T8 three compatible with LED fluorescent tubes according to claim 1 is characterized in that, also comprise between described power input negative pole and described the first electrochemical capacitor negative pole: power-type NTC thermistor.
6. T8 three compatible with LED fluorescent tubes according to claim 1 is characterized in that, between described power input negative pole and described the first inductance, described power input is anodal and described the second inductance between, cross-over connection the 6th electric capacity.
7. each described T8 three compatible with LED fluorescent tubes is characterized in that described led driver control integration circuit is the CXL9910 chip according to claim 1-6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220442189 CN202873126U (en) | 2012-08-31 | 2012-08-31 | T8 three-compatible LED fluorescent tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220442189 CN202873126U (en) | 2012-08-31 | 2012-08-31 | T8 three-compatible LED fluorescent tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202873126U true CN202873126U (en) | 2013-04-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220442189 Expired - Fee Related CN202873126U (en) | 2012-08-31 | 2012-08-31 | T8 three-compatible LED fluorescent tube |
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| Country | Link |
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| CN (1) | CN202873126U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108112137A (en) * | 2018-01-28 | 2018-06-01 | 上思县东岽电子科技有限责任公司 | A kind of LED illumination lamp of new type solar energy driving |
| CN108112136A (en) * | 2018-01-28 | 2018-06-01 | 上思县东岽电子科技有限责任公司 | A kind of LED illumination lamp driver of new type solar energy driving |
-
2012
- 2012-08-31 CN CN 201220442189 patent/CN202873126U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108112137A (en) * | 2018-01-28 | 2018-06-01 | 上思县东岽电子科技有限责任公司 | A kind of LED illumination lamp of new type solar energy driving |
| CN108112136A (en) * | 2018-01-28 | 2018-06-01 | 上思县东岽电子科技有限责任公司 | A kind of LED illumination lamp driver of new type solar energy driving |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130410 Termination date: 20150831 |
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| EXPY | Termination of patent right or utility model |