CN203708601U - Improved LED tube compatible with T5/T8 electronic ballast - Google Patents
Improved LED tube compatible with T5/T8 electronic ballast Download PDFInfo
- Publication number
- CN203708601U CN203708601U CN201420064539.9U CN201420064539U CN203708601U CN 203708601 U CN203708601 U CN 203708601U CN 201420064539 U CN201420064539 U CN 201420064539U CN 203708601 U CN203708601 U CN 203708601U
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- Prior art keywords
- circuit
- fluorescent tube
- resistance
- compatible
- control switch
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- Expired - Lifetime
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- 239000003381 stabilizer Substances 0.000 claims description 28
- 230000001681 protective effect Effects 0.000 claims description 13
- 239000013078 crystal Substances 0.000 claims description 3
- 238000001514 detection method Methods 0.000 abstract 2
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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- Circuit Arrangements For Discharge Lamps (AREA)
Abstract
The utility model discloses an improved LED tube compatible with T5/T8 electronic ballast. The LED tube comprises a tube body. The tube body has two electrodes and is equipped with two exstart circuits. One end of each exstart circuit is connected to the corresponding electrode, and the other end of each exstart circuit is connected to a rectification circuit. The rectification circuit is connected to a voltage detection circuit. One end of an integrated circuit is connected to the voltage detection circuit, and the other end of the integrated circuit is connected to a voltage control switch. One end of an LED lamp string is connected to the rectification circuit, and the other end of the LED lamp string is connected to the voltage control switch. With the improved LED tube used, the LED lamp string is enabled not to be damaged by the starting current, lighting time is shortened and the starting operation of the LED tube is ensured.
Description
Technical field
The utility model relates to a kind of circuit design of LED fluorescent tube, refers to especially a kind of compatiblely in T5/T8 electric stabilizer, and has and guarantees that LED fluorescent tube starts and shorten the LED fluorescent tube of the time of lighting a lamp completely.
Background technology
General lamp socket is in order to light a traditional tube, for example T5 or T8 fluorescent tube, refer to shown in Fig. 1, be an electrical block diagram for T5 or T8 fluorescent tube, its lamp socket 1 is provided with an electric stabilizer 2, for the traditional tube 3 of lighting this T5 or T8, because the traditional tube 3 of T5 or T8 must be by the high voltage of moment, ability heat filament, make to manage after interior gas ionization, and then could light smoothly fluorescent tube 3, make fluorescent tube 3 luminous, therefore in the time that a LED fluorescent tube is inserted in this lamp socket, and start by this electric stabilizer, instant high-voltage when this electric stabilizer and LED fluorescent tube will be opened and high electric current, electric stabilizer or LED fluorescent tube are burnt, therefore this lamp socket 1 can not be compatible to LED fluorescent tube now.
Because above-mentioned lamp socket can not be compatible to LED fluorescent tube now, cause the inconvenience in use, therefore there have dealer to develop to be one compatible in the LED of electric stabilizer fluorescent tube, as the new patent case of the LED fluorescent tube of the electric stabilizer of the be dissolved in tool preheat curent of No. M459527th, the bulletin of TaiWan, China, it comprises two buffer circuits, a waveform changing circuit and at least one LED lamp string, respectively this buffer circuit connects the electrode tip of this LED fluorescent tube, and one end of this waveform changing circuit is connected to respectively respectively this buffer circuit, and the other end is to connecting this LED lamp string.
Though reaching, the buffer circuit that above-mentioned front case can consist of resistance avoids burning electric stabilizer and LED lamp, but because it cannot judge the change in voltage of electric stabilizer between the starting period, no matter therefore be prompt type or preheating type electric stabilizer, it all has startup unsuccessfully to cause flicker or start delay shortcoming excessively of a specified duration.
Utility model content
In view of this, the technical problems to be solved in the utility model is to provide a kind of improvement LED fluorescent tube of the T5/T8 of being compatible to electric stabilizer, can guarantee that LED fluorescent tube starts completely and shortens the time of lighting a lamp.
For solving the problems of the technologies described above, the technical solution of the utility model is achieved in that
An improvement LED fluorescent tube that is compatible to T5/T8 electric stabilizer, it has a body, and these body two ends have respectively two electrodes, and further include in this body:
Two pretrigger circuit, respectively one end of this pretrigger circuit is connected to respectively the electrode of these body two ends;
One rectification circuit, it includes a plurality of fast diodes, and one end of this rectification circuit is connected to respectively one end of this pretrigger circuit;
One voltage detecting circuit, its one end is connected to the other end of this rectification circuit;
One integrated circuit, joins with rectification circuit, and this integrated circuit has an input and an output, and wherein this input is connected with the other end of this voltage detecting circuit;
One votage control switch, it is connected with the output of integrated circuit;
At least one LED lamp string, be in series, and one end of this LED lamp string is connected to this rectification circuit by a plurality of LED elements, and the other end forms and connects with this votage control switch.
As preferred version, respectively this pretrigger circuit includes a gathering fuse, and this gathering fuse is parallel between two electrodes.
As preferred version, this voltage detecting circuit is in series by one first resistance and one second resistance, and the input of this integrated circuit is connected between the first resistance and the second resistance.
As preferred version, this voltage detecting circuit more includes a diode, and this diode, the first resistance and the second resistance form series connection mutually.
As preferred version, this votage control switch is metal-oxide-semifield-effect electric crystal element.
As preferred version, more include a protective circuit, this protective circuit and votage control switch are in parallel, and form and connect with each this LED lamp string.
As preferred version, this protective circuit is connected in series and is formed by two resistance.
The technique effect that the utility model reaches is as follows: the utility model is compatible to the improvement LED fluorescent tube of T5/T8 electric stabilizer; detect voltage by this voltage detecting circuit; whether make this votage control switch conducting of this integrated circuit control; and protect this LED lamp string can not be subject to the damage of high pressure and large electric current, guarantee this stabilizer start completely not can erroneous judgement load short circuits or open circuit cause stabilizer to close or misoperation.
Brief description of the drawings
Fig. 1 is the electrical block diagram of conventional T5/T8 lamp socket.
Fig. 2 is the first preferred embodiment outside drawing of the present utility model.
Fig. 3 is the first preferred embodiment circuit diagram of the present utility model.
Fig. 4 is the first preferred embodiment calcspar of the present utility model.
[symbol description]
1 lamp socket
2 electric stabilizers
3 fluorescent tubes
10 bodys
20 electrodes
30 pretrigger circuit
31 gathering fuses
40 rectification circuits
41 fast diodes
50 voltage detecting circuits
51 first resistance
52 second resistance
53 diodes
60 integrated circuits
61 inputs
62 outputs
70 votage control switches
80 LED lamp strings
81 LED elements
90 protective circuits
91 resistance
200 lamp sockets
201 electric stabilizers.
Embodiment
Refer to shown in Fig. 2 ~ Fig. 4, for the first preferred embodiment outside drawing of the present utility model, circuit diagram and calcspar, its exposure has a kind of improvement LED fluorescent tube of the T5/T8 of being compatible to electric stabilizer, it has a body 10, these body 10 2 ends have respectively two electrodes 20, can be for being plugged on the lamp socket 200 of T5/T8, and this body 10 is interior further includes:
Two pretrigger circuit 30, respectively one end of this pretrigger circuit 30 is connected to respectively this electrode 20, and wherein this pretrigger circuit 30 includes a gathering fuse 31, and this gathering fuse 31 is parallel between two electrodes 20.
One rectification circuit 40, it includes the bridge rectifier that a plurality of fast diodes 41 form, and one end of this rectification circuit 40 is connected to respectively one end of this pretrigger circuit 30.
One voltage detecting circuit 50, its one end is connected to the other end of this rectification circuit 40, and wherein, this voltage detecting circuit 50 is in series by one first resistance 51 and one second resistance 52, and this first resistance 51 is more in series with a diode 53, to use as protection.
One integrated circuit 60, joins with rectification circuit 40, and it has an input 61 and an output 62, and wherein this input 61 is connected between the first resistance 51 and the second resistance 52.
One votage control switch 70, it is connected with integrated circuit 60, and this votage control switch 70 is metal-oxide-semifield-effect electric crystal element.
At least one LED lamp string 80, be in series, and one end of this LED lamp string 80 is connected to this rectification circuit 40 by a plurality of LED elements 81, and the other end forms and connects with this votage control switch 70.
One protective circuit 90, is in parallel with votage control switch 70, and forms and connect with each this LED lamp string 80; this protective circuit 90 is connected in series and is formed by two resistance 91; so, by the resistance of this protective circuit, can absorb the high pressure producing when electronic ballast starts, avoid LED lamp string 80 to burn.
When LED fluorescent tube of the present utility model is installed on the lamp socket 200 that T5/T8 fluorescent tube uses, when after power-on switch, now the electric stabilizer 201 in lamp socket 200 will produce the high voltage of moment, the electric current that this voltage produces reaches pretrigger circuit 30 via electrode 20, because gathering fuse 31 in pretrigger circuit 30 has a resistance value, therefore the filament in alternative T5/T8 fluorescent tube, make not reason short circuit and burning of electric stabilizer 201, the filament that can effectively simulate fluorescent lamp helps the protective effect of the correct startup of electronic ballast and current anomaly, aforementioned currents flow to rectification circuit 40 again, interchange is changed into after direct current, flow to again respectively this LED lamp string 80, voltage detecting circuit 50 and integrated circuit 60 etc., wherein this voltage detecting circuit 50 can detect the voltage of flowed into integrated circuit 60, judge whether to trigger votage control switch 70 for integrated circuit 60, form conducting, when votage control switch 70 forms after conducting, now respectively this LED lamp string 80 just conducts electricity because forming path, and then luminous.Because votage control switch 70 is parallel with a protective circuit 90, therefore when votage control switch 70 is on warm-up phase not when conducting, this protective circuit 90 can absorb the high pressure that now produced, therefore can avoid LED lamp string 80 to burn.
The above, be only preferred embodiment of the present utility model, is not intended to limit protection range of the present utility model.
Claims (7)
1. an improvement LED fluorescent tube that is compatible to T5/T8 electric stabilizer, is characterized in that, it has a body, and these body two ends have respectively two electrodes, and further include in this body:
Two pretrigger circuit, respectively one end of this pretrigger circuit is connected to respectively the electrode of these body two ends;
One rectification circuit, it includes a plurality of fast diodes, and one end of this rectification circuit is connected to respectively one end of this pretrigger circuit;
One voltage detecting circuit, its one end is connected to the other end of this rectification circuit;
One integrated circuit, joins with rectification circuit, and this integrated circuit has an input and an output, and wherein this input is connected with the other end of this voltage detecting circuit;
One votage control switch, it is connected with the output of integrated circuit;
At least one LED lamp string, be in series, and one end of this LED lamp string is connected to this rectification circuit by a plurality of LED elements, and the other end forms and connects with this votage control switch.
2. the improvement LED fluorescent tube that is compatible to T5/T8 electric stabilizer according to claim 1, is characterized in that, respectively this pretrigger circuit includes a gathering fuse, and this gathering fuse is parallel between two electrodes.
3. the improvement LED fluorescent tube that is compatible to T5/T8 electric stabilizer according to claim 1, it is characterized in that, this voltage detecting circuit is in series by one first resistance and one second resistance, and the input of this integrated circuit is connected between the first resistance and the second resistance.
4. the improvement LED fluorescent tube that is compatible to T5/T8 electric stabilizer according to claim 3, is characterized in that, this voltage detecting circuit more includes a diode, and this diode, the first resistance and the second resistance form series connection mutually.
5. the improvement LED fluorescent tube that is compatible to T5/T8 electric stabilizer according to claim 1, is characterized in that, this votage control switch is metal-oxide-semifield-effect electric crystal element.
6. the improvement LED fluorescent tube that is compatible to T5/T8 electric stabilizer according to claim 1, is characterized in that, more include a protective circuit, this protective circuit and votage control switch are in parallel, and forms and connect with each this LED lamp string.
7. the improvement LED fluorescent tube that is compatible to T5/T8 electric stabilizer according to claim 6, is characterized in that, this protective circuit is connected in series and is formed by two resistance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420064539.9U CN203708601U (en) | 2014-02-13 | 2014-02-13 | Improved LED tube compatible with T5/T8 electronic ballast |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420064539.9U CN203708601U (en) | 2014-02-13 | 2014-02-13 | Improved LED tube compatible with T5/T8 electronic ballast |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203708601U true CN203708601U (en) | 2014-07-09 |
Family
ID=51058975
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420064539.9U Expired - Lifetime CN203708601U (en) | 2014-02-13 | 2014-02-13 | Improved LED tube compatible with T5/T8 electronic ballast |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203708601U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107820342A (en) * | 2016-09-13 | 2018-03-20 | 林品芝 | Light-emitting diode lamp tube |
-
2014
- 2014-02-13 CN CN201420064539.9U patent/CN203708601U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107820342A (en) * | 2016-09-13 | 2018-03-20 | 林品芝 | Light-emitting diode lamp tube |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140709 |