CN106102230B - A kind of LED tube drive circuit of multi input - Google Patents
A kind of LED tube drive circuit of multi input Download PDFInfo
- Publication number
- CN106102230B CN106102230B CN201610486184.6A CN201610486184A CN106102230B CN 106102230 B CN106102230 B CN 106102230B CN 201610486184 A CN201610486184 A CN 201610486184A CN 106102230 B CN106102230 B CN 106102230B
- Authority
- CN
- China
- Prior art keywords
- diode
- input
- ballast
- poles
- circuit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/30—Driver circuits
- H05B45/37—Converter circuits
Abstract
The invention discloses a kind of LED tube drive circuit of multi input.The multi input LED tube drive circuit includes ballast reduction voltage circuit, rectification circuit and buck drive module.Ballast output high pressure reduction is supplied drive circuit normal work by ballast reduction voltage circuit by the way of capacitance partial pressure, rectification circuit uses way of full-wave rectification, realize civil power, two kinds of power input modes of electric ballast, obtain DC voltage and be input to buck drive module driving LED chip, conventional fluorescent fluorescent tube can be directly replaced using the LED lamp tube of this drive circuit, consumer, which buys, can directly replace installation, and common LED fluorescent tube must reequip circuit and can just be replaced, use cost is saved, with higher economic and practical.
Description
Technical field
The invention belongs to electronic science and technology field, and in particular to a kind of drive circuit of illuminating lamp.
Background technology
With continuing to develop for electronic technology, illuminating LED lamp Manifold technology also constantly improves, and is gradually intended to low-power consumption, long
The Novel LED light development in life-span, and LED can not be driven simultaneously during traditional LED lamp tube drive circuit realization driving traditional LED lamp pipe
Lamp, conventional driving circuit can not drive different LED lamp tubes simultaneously and need while changing driving electricity when different LED lamp tubes are changed
Road；Conventional driving circuit is using civil power as supply voltage, it is impossible to while taking into account the output of electric ballast as power input.This electricity
The shortcoming that can solve to need to change drive circuit simultaneously when different LED lamp tubes are changed is realized in the invention on road, while the present invention
The characteristics of multi input power supply, can solve the defect of conventional driving circuit single power supply input.Circuit of the present invention has higher economy
Substantial amounts of manpower and materials cost is saved in value, stronger practicality, simple and convenient operation.
The content of the invention
Goal of the invention：In order to solve when different LED lamp tubes are replaced, conventional driving circuit can not be while drive different LEDs
Pipe and need to change the shortcoming of drive circuit and the input of traditional circuit single power supply simultaneously, the present invention provide it is a kind of it is simple in construction,
Easy to use, practical multiple input modes LED tube drive circuit.
Technical scheme：To achieve the above object, technical scheme is as follows：
A kind of LED tube drive circuit of multi input, including ballast reduction voltage circuit, rectification circuit and buck driving mould
Block；The ballast reduction voltage circuit includes first input end, the first fuse, the first electric capacity, the second electric capacity, the 3rd electric capacity, the
Four electric capacity, the second input；The rectification circuit includes the first diode, the second diode, the 3rd diode, the four or two pole
Pipe, the 5th diode, the 6th diode；Wherein：The first end of first the first fuse of termination of first input end；First insurance
The second of silk terminates the first end of the P poles, the N poles of the second diode and the first electric capacity of the first diode；The N poles of first diode
Connect N poles, the N poles of the 5th diode, the first end of the 5th electric capacity and the first input end for being depressured drive module of the 3rd diode；
The second end, the first end of the second electric capacity, the P poles and the four or two of the 3rd diode of second the first electric capacity of termination of first input end
The N poles of pole pipe；The P poles of 4th diode connect the P poles of the second diode, the P poles of the 6th diode, the second end of the 5th electric capacity and
Second input of buck drive module；The first end of first the 4th electric capacity of termination of the second input and the of the 3rd electric capacity
One end；Second end of the second the 4th electric capacity of termination of the second input；Second end of second the second electric capacity of termination of the 3rd electric capacity,
The P poles of 5th diode and the N poles of the 6th diode；The first end of first output termination LED lamp tube of buck drive module；
Second end of the second output termination LED lamp tube of buck drive module.
Further, the P poles of the 4th diode, the P poles of the second diode, the P poles of the 6th diode, the of the 5th electric capacity
Second input of two ends and buck drive module is circuit ground terminal.
Further, the first diode, the second diode, the 3rd diode, the 4th diode, the 5th diode, the 6th
Diode is commutation diode.
Further, multi input LED tube drive circuit is when using civil power as power input, the first input mode
When connecing civil power for first input end, the second input end is in vacant state；Second of input mode is the second input termination civil power
Make, first input end is in vacant state.
Further, multi input LED tube drive circuit is when using electric ballast output as power input, and first
When kind input mode is that first input end connects electric ballast high-pressure side, the second input termination electric ballast common port；Second
When planting input mode for the second input termination electric ballast high-pressure side, first input end connects electric ballast common port.
The beneficial effects of the invention are as follows the present invention realizes civil power, electric ballast by the way of multi input power supply is powered
Two kinds of power input modes, obtain DC voltage by rectification circuit and are input to buck drive module, to different LED lamp tubes
Stable driving voltage is provided.The present invention can realize different power inputs, while taking into account the different LED lamp tubes of driving, realize
The plug of different LED lamp tubes is replaced, and saves manpower and materials, with it is easy to operate, practical the characteristics of.
Brief description of the drawings
Fig. 1 is a kind of LED lamp tube driver circuit schematic diagram of multi input of the present invention.
Embodiment
In conjunction with the accompanying drawings, the present invention is further explained in detail.Accompanying drawing is circuit reduction figure, only in a schematic way
Illustrate the basic structure of the present invention, therefore it only shows the structure relevant with the present invention.
Embodiments of the invention one are depressured electricity as shown in figure 1, a kind of LED tube drive circuit of multi input includes ballast
Road 01, rectification circuit 02 and buck drive module 03；The ballast reduction voltage circuit 01 includes first input end INPUT1, the
One fuse F1, the first electric capacity C1, the second electric capacity C2, the 3rd electric capacity C3, the 4th electric capacity C4, the second input INPUT2；It is described
Rectification circuit 02 includes the first diode D1, the second diode D2, the 3rd diode D3, the 4th diode D4, the 5th diode
D5, the 6th diode D6；Wherein：First input end INPUT1 first the first fuse F1 of termination first end；First insurance
The second of silk F1 terminates the first end of the first diode D1 P poles, the second diode D2 N poles and the first electric capacity C1；One or two
N poles, the 5th diode D5 N poles, the 5th electric capacity C5 first end and the buck that pole pipe D1 N poles meet the 3rd diode D3 are driven
The first input end of dynamic model block 03；First input end INPUT1 second the first electric capacity C1 of termination the second end, the second electric capacity C2
First end, the 3rd diode D3 P poles and the 4th diode D4 N poles；4th diode D4 P poles meet the second diode D2
P poles, the 6th diode D6 P poles, the second input of the 5th electric capacity C5 the second end and buck drive module 03；Second
Input INPUT2 the first the 4th electric capacity C4 of termination first end and the 3rd electric capacity C3 first end；Second input INPUT2
Second termination the 4th electric capacity C4 the second end；3rd electric capacity C3 second the second electric capacity C2 of termination the second end, the five or two pole
Pipe D5 P poles and the 6th diode D6 N poles；First output termination LED lamp tube L1 of buck drive module 03 first end；
Second output termination LED lamp tube L1 of buck drive module 03 the second end.
The circuit concrete principle of embodiment one is as follows：
First input end INPUT1, the first fuse F1, the first electric capacity C1, the second electric capacity C2, the second input INPUT2,
3rd electric capacity C3, the 4th electric capacity C4 constitute ballast reduction voltage circuit 01；First diode D1, the second diode D2, the three or two
Pole pipe D3, the 4th diode D4, the 5th diode D5, the 6th diode D6 constitute rectification circuit 02, act on after filtering
5th electric capacity C5 flows into buck drive module 03, and electric energy is delivered in LED lamp tube, LED lamp tube is sent light.The present invention
The LED tube drive circuit of multi input a kind of can use civil power, two kinds of power input modes of electric ballast.Two kinds of power supplys are defeated
The mode of operation entered is respectively：1. when input voltage accesses civil power, when first input end INPUT1 accesses, by the one or two pole
Pipe D1, the second diode D2, the 3rd diode D3, the full-wave rectification bridge of the 4th diode D4 compositions obtain DC voltage, flow into
The LED lamp tube driving voltage that buck drive module 03 is stablized makes LED lamp tube light.2. when access electric ballast output
During as power input, when first input end INPUT1 connects the high-pressure side of electric ballast, the second input INPUT2 connects public
End, is obtained by the full-wave rectification bridge of the first diode D1, the second diode D2, the 3rd diode D3, the 4th diode D4 compositions
To DC voltage, the LED lamp tube driving voltage that inflow buck drive module 03 is stablized makes LED lamp tube light；Second is defeated
Enter the high-pressure side for holding INPUT2 to connect electric ballast, first input end INPUT1 connects common port, by the 3rd diode D3, the 4th
Diode D4, the 5th diode D5, the full-wave rectification bridge of the 6th diode D6 compositions obtain DC voltage, flow into buck driving
The LED lamp tube driving voltage that module 03 is stablized makes LED lamp tube light.
When LEDLED fluorescent tubes substitute conventional lamp as illuminations, traditional drive circuit can not drive LED lamp bead,
The method that LED tube drive circuit of the present invention is combined by the use of civil power, electric ballast as power input realizes multi input LED
Lamp tube drive circuit mode, realizes that directly plug is replaced without changing drive circuit when changing a variety of LED lamp tubes.
By above-described embodiment one, a kind of LED tube drive circuit of multi input of the invention, which is realized, saves cost, convenient
The characteristics of operation.
In the present invention, " company ", " connection " etc. represent the word being electrically connected with, such as without specifically, then it represents that directly or
It is indirect to be electrically connected with.
The case study on implementation of the prioritizing selection described above for being only the present invention, above-mentioned description is related for this technology
The personnel of work can also carry out a variety of optimizations and deformation on the premise of the technical principle of the present invention is not departed from, these optimizations
Protection scope of the present invention is also should be regarded as with deformation.
Claims (4)
1. a kind of LED tube drive circuit of multi input, it is characterised in that：Including ballast reduction voltage circuit (01), rectification circuit
And buck drive module (03) (02)；The ballast reduction voltage circuit (01) includes ballast reduction voltage circuit first input end
(INPUT1), the first fuse (F1), the first electric capacity (C1), the second electric capacity (C2), the 3rd electric capacity (C3), the 4th electric capacity (C4),
The input of ballast reduction voltage circuit second (INPUT2)；The rectification circuit (02) includes the first diode (D1), the two or two pole
Manage (D2), the 3rd diode (D3), the 4th diode (D4), the 5th diode (D5), the 6th diode (D6)；Wherein：Ballast
The first end of first the first fuse of termination (F1) of device reduction voltage circuit first input end (INPUT1)；First fuse (F1)
Second terminates the first end of the P poles, the N poles of the second diode (D2) and the first electric capacity (C1) of the first diode (D1)；One or two
The N poles of pole pipe (D1) connect the 3rd diode (D3) N poles, the N poles of the 5th diode (D5), the first end of the 5th electric capacity (C5) and
The first input end of buck drive module (03)；Ballast reduction voltage circuit first input end INPUT1 second the first electricity of termination
Hold the N poles of the second end, the first end of the second electric capacity (C2), the P poles of the 3rd diode (D3) and the 4th diode (D4) of (C1)；
The P poles of 4th diode (D4) connect the P poles of the second diode (D2), the P poles of the 6th diode (D6), the of the 5th electric capacity (C5)
Two ends and the second input of buck drive module (03)；The second input of ballast reduction voltage circuit INPUT2 the first termination
The first end of 4th electric capacity (C4) and the first end of the 3rd electric capacity (C3)；The input of ballast reduction voltage circuit second (INPUT2)
Second end of the second the 4th electric capacity (C4) of termination；Second end of second the second electric capacity of termination (C2) of the 3rd electric capacity (C3), the 5th
The P poles of diode (D5) and the N poles of the 6th diode (D6)；First output termination LED lamp tube of buck drive module (03)
(L1) first end；Second end of the second output termination LED lamp tube (L1) of buck drive module (03)；
The P poles of 4th diode, the P poles of the second diode, the P poles of the 6th diode, the second end of the 5th electric capacity and buck
Second input of drive module is circuit ground terminal.
2. the LED tube drive circuit of multi input according to claim 1, it is characterised in that：First diode, the two or two
Pole pipe, the 3rd diode, the 4th diode, the 5th diode, the 6th diode are commutation diode.
3. the LED tube drive circuit of multi input according to claim 1, it is characterised in that：Multi input LED lamp tube drives
Circuit is when using civil power as power input, and the first input mode is ballast reduction voltage circuit first input end (INPUT1)
When connecing civil power, the input of ballast reduction voltage circuit second (INPUT2) is in vacant state；Second of input mode is ballast
When the input of reduction voltage circuit second (INPUT2) connects civil power, first input end (INPUT1) is in vacant state.
4. the LED tube drive circuit of multi input according to claim 1, it is characterised in that：Multi input LED lamp tube drives
Circuit is when using electric ballast output as power input, and the first input mode is that ballast reduction voltage circuit first is inputted
When end (INPUT1) connects electric ballast high-pressure side, it is public that the input of ballast reduction voltage circuit second (INPUT2) connects electric ballast
Hold altogether；When second of input mode is that the input of ballast reduction voltage circuit second (INPUT2) connects electric ballast high-pressure side, town
Stream device reduction voltage circuit first input end (INPUT1) connects electric ballast common port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610486184.6A CN106102230B (en) | 2016-06-28 | 2016-06-28 | A kind of LED tube drive circuit of multi input |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610486184.6A CN106102230B (en) | 2016-06-28 | 2016-06-28 | A kind of LED tube drive circuit of multi input |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106102230A CN106102230A (en) | 2016-11-09 |
| CN106102230B true CN106102230B (en) | 2017-10-20 |
Family
ID=57214354
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610486184.6A Active CN106102230B (en) | 2016-06-28 | 2016-06-28 | A kind of LED tube drive circuit of multi input |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106102230B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202143248U (en) * | 2011-05-24 | 2012-02-08 | 深圳汇科新能源科技有限公司 | LED tube power supply being suitable for electronic ballast |
| CN102769975A (en) * | 2012-07-18 | 2012-11-07 | 东莞市领冠半导体照明有限公司 | LED (Light Emitting Diode) fluorescent lamp power supply of compatible fluorescent lamp ballast |
| CN203279255U (en) * | 2013-04-05 | 2013-11-06 | 汇辰新能源(湖南)有限公司 | Drive circuit of LED fluorescent lamp |
| CN104853473A (en) * | 2014-12-19 | 2015-08-19 | 北京澄通光电股份有限公司 | LED fluorescent lamp circuit employing fluorescent lamp electronic ballast for driving and LED fluorescent lamp |
-
2016
- 2016-06-28 CN CN201610486184.6A patent/CN106102230B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202143248U (en) * | 2011-05-24 | 2012-02-08 | 深圳汇科新能源科技有限公司 | LED tube power supply being suitable for electronic ballast |
| CN102769975A (en) * | 2012-07-18 | 2012-11-07 | 东莞市领冠半导体照明有限公司 | LED (Light Emitting Diode) fluorescent lamp power supply of compatible fluorescent lamp ballast |
| CN203279255U (en) * | 2013-04-05 | 2013-11-06 | 汇辰新能源(湖南)有限公司 | Drive circuit of LED fluorescent lamp |
| CN104853473A (en) * | 2014-12-19 | 2015-08-19 | 北京澄通光电股份有限公司 | LED fluorescent lamp circuit employing fluorescent lamp electronic ballast for driving and LED fluorescent lamp |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106102230A (en) | 2016-11-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103997827B (en) | A kind of high efficiency no electrolytic capacitor LED drive power based on Boost circuit | |
| CN103997828B (en) | A kind of no electrolytic capacitor LED drive power based on Buck circuit | |
| CN201274590Y (en) | LED driving apparatus using commercial power | |
| CN103220856B (en) | Self-adapting light emitting diode (LED) driving power circuit | |
| CN108809091A (en) | A kind of single switch buck multiple constant current output switch converters | |
| CN205946264U (en) | LED drive arrangement and backlight device | |
| CN202231925U (en) | Simple white-light LED (Light-emitting Diode) drive circuit for power factor correction | |
| CN106102230B (en) | A kind of LED tube drive circuit of multi input | |
| CN101086325A (en) | LED lamp bulb | |
| CN203027542U (en) | LED (Light Emitting Diode) power source processing circuit with dual voltage rectification | |
| CN205378276U (en) | Exchange and directly drive LED automatic control series parallel circuit among LED | |
| CN204494165U (en) | A kind of LED silk lamp | |
| CN103383099A (en) | Universal LED fluorescent lamp for electronic ballast | |
| CN202385367U (en) | High-power light-emitting diode (LED) array driver | |
| CN203734877U (en) | Self-adapting single-double end power supply type LED fluorescent tube | |
| CN101179894B (en) | Current changer and driving mechanism of backlight module | |
| CN205648123U (en) | High efficiency high power factor's LED exchanges direct drive circuit | |
| CN106162992B (en) | A kind of high-voltage driving circuit | |
| CN204598402U (en) | Based on the LED sectional dimming power supply of power supply constant-current driven chip CSC8935 | |
| CN204859676U (en) | LED drive arrangement | |
| CN205320335U (en) | Compatible ballast's LED power | |
| CN201081871Y (en) | Snow lamp control circuit | |
| CN204795774U (en) | A light circuit for electric power overhauld night | |
| CN203261508U (en) | Constant-power LED power supply circuit | |
| CN200983706Y (en) | Street lamp power saver |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 226200, 612, Hua Shi Road, Qidong, Jiangsu, Nantong Patentee after: Jiangsu Linyang comprehensive energy service Co., Ltd Address before: 226200, 612, Hua Shi Road, Qidong, Jiangsu, Nantong Patentee before: LINYANG ELECTRONICS Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |