CN106413204A - Ripple absorption circuit - Google Patents
Ripple absorption circuit Download PDFInfo
- Publication number
- CN106413204A CN106413204A CN201611072407.0A CN201611072407A CN106413204A CN 106413204 A CN106413204 A CN 106413204A CN 201611072407 A CN201611072407 A CN 201611072407A CN 106413204 A CN106413204 A CN 106413204A
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- CN
- China
- Prior art keywords
- circuit
- audion
- resistance
- triode
- terminals
- 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.)
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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
-
- 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]
- H05B45/50—Circuit arrangements for operating light-emitting diodes [LED] responsive to malfunctions or undesirable behaviour of LEDs; responsive to LED life; Protective circuits
-
- 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
- Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]
Abstract
The invention discloses a ripple absorption circuit comprising a follower circuit having an automatic adjusting function and a short-circuit protection circuit. The follower circuit is capable of adjusting a triode Q3 automatically. The short-circuit protection circuit consists of a resistor R1, a resistor R4, a voltage-regulator diode Z1, a triode Q2 and a triode Q1. A wiring terminal of the resistor R1 is connected with a base electrode of the triode Q1; a wiring terminal of the resistor R1 is connected with a base electrode of the triode Q2; an emitter of the triode Q2 is connected with a collector of the triode Q1; an emitter of the triode Q1 is connected with voltage-regulator diode Z1, the resistor R4, and a collector of the triode Q2; the other wiring terminal of the voltage-regulator diode Z1 is connected with a negative electrode of a power supply; and the other wiring terminal of the resistor R4 is connected with a positive electrode of the power supply. The synchronization light modulation performance of the circuit with the light and the single-stage scheme of the three-terminal bidirectional alternating-current switch is good; the metal-oxide semiconductor is not burnt in an output short-circuit state; and the single-stage power factor correction without light modulation and LED drive can be inputted into the module to realize a non-flickering effect.
Description
Technical field
The present invention relates to a kind of ripple absorbing circuit.
Background technology
Existing ripple absorbing circuit can not reach no stroboscopic by compatible three terminal bidirectional alternating-current switch single- stage PFC, in light modulation not
Work, and there is no short-circuit protection function.
Content of the invention
The purpose of the present invention is the drawbacks described above for prior art, provides a kind of ripple absorbing circuit.This circuit and three
Synchronously light modulation property is good for end two-way exchange switch single-stage scheme, and output short-circuit does not burn metal-oxide semiconductor (MOS), furthermore do not dim
Single-level power factor correction, LED drive can input this mould fast after reach no stroboscopic.
For solving the drawbacks described above of prior art, the technical scheme that the present invention provides is：A kind of ripple absorbing circuit, including
There is follow circuit and the short-circuit protection circuit of automatic regulation function, described follow circuit automatically adjusts audion Q3, short circuit is protected
Protection circuit includes resistance R1, resistance R4, Zener diode Z1, audion Q2 and audion Q1, and terminals of resistance R1 connect
The base stage of audion Q1, the base stage of a terminals connecting triode Q2 of resistance R1, the emitter stage connecting triode of audion Q2
The colelctor electrode of Q1, the emitter stage of audion Q1 connects Zener diode Z1, the colelctor electrode of resistance R4 and audion Q2, voltage stabilizing two pole
Another terminals of pipe Z1 connect power cathode, and another terminals of resistance R4 connect positive source.
As one kind improvement of ripple absorbing circuit of the present invention, in power supply output short-circuit, audion Q2 starts shutoff three
The output of pole pipe Q1, reaches defencive function, and when output is not short-circuit, after electric capacity C1 electricity discharges, audion Q1 is again started up normally
Work.
As ripple absorbing circuit of the present invention one kind improvement, described follow circuit include electric capacity C1, Zener diode Z2,
One terminals of diode D1 and resistance R3, electric capacity C1 connect power cathode, and another terminals of electric capacity C1 connect resistance
The base stage of R3, Zener diode Z2 and audion Q3, another terminals of Zener diode Z2 connect diode D1, diode D1
Another terminals connect positive source.
As one kind improvement of ripple absorbing circuit of the present invention, the line of the circuit of described positive source and described power cathode
It is connected with two branch lines, one end of two branch lines connects positive source, and the other end of two branch lines connects electricity between road
Source negative pole, wherein one branch line is provided with resistance R2, and another branch line is provided with electric capacity C2.
Compared with prior art, it is an advantage of the invention that：The present invention utilizes electric capacity C1 and Zener diode Z2, diode
The follow circuit of D1, resistance R3 composition automatically adjusts audion Q3, and the angle of flow of metal-oxide semiconductor (MOS) is realizing and TRIAC
The net synchronization capability of single-stage solution, suppresses output ripple, resistance R1, resistance R4, Zener diode Z1, audion Q2 and audion Q1
Composition output short circuit protection function, in output short-circuit, the output that audion Q2 starts shutoff audion Q1 reaches protection, only
It is again started up normal work after short circuit capacitance C1 electricity does not discharge in output.
Brief description
Just with specific embodiment, the present invention and its beneficial technique effect are further described with reference to the accompanying drawings below, its
In：
Fig. 1 is electrical block diagram of the present invention.
Specific embodiment
Below just with reference to the accompanying drawings and specific embodiment the invention will be further described.
As shown in figure 1, a kind of ripple absorbing circuit, including the follow circuit with automatic regulation function and short-circuit protection electricity
Road, described follow circuit automatically adjusts audion Q3, short-circuit protection circuit include resistance R1, resistance R4, Zener diode Z1, three
Pole pipe Q2 and audion Q1, the base stage of a terminals connecting triode Q1 of resistance R1, terminals of resistance R1 connect three poles
The base stage of pipe Q2, the colelctor electrode of the emitter stage connecting triode Q1 of audion Q2, the emitter stage of audion Q1 connects voltage stabilizing two pole
The colelctor electrode of pipe Z1, resistance R4 and audion Q2, another terminals of Zener diode Z1 connect power cathode, and resistance R4's is another
One terminals connect positive source.
Preferably, in power supply output short-circuit, audion Q2 starts the output turning off audion Q1, reaches defencive function,
When output is not short-circuit, after electric capacity C1 electricity discharges, audion Q1 is again started up normal work.
Preferably, follow circuit includes electric capacity C1, Zener diode Z2, diode D1 and resistance R3, one of electric capacity C1
Terminals connect power cathode, and another terminals of electric capacity C1 connect resistance R3, the base of Zener diode Z2 and audion Q3
Pole, another terminals of Zener diode Z2 connect diode D1, and another terminals of diode D1 connect positive source.
Preferably, it is connected with two branch lines between the circuit of the circuit of positive source and described power cathode, two are propped up
One end of circuit connects positive source, and the other end of two branch lines connects power cathode, and wherein one branch line is provided with electricity
Resistance R2, another branch line is provided with electric capacity C2.
It is an advantage of the invention that：The present invention utilize electric capacity C1 and Zener diode Z2, diode D1, resistance R3 composition with
Automatically adjust audion Q3 with circuit, the angle of flow of metal-oxide semiconductor (MOS) is realizing the synchronicity with TRIAC single-stage solution
Can, suppress output ripple, resistance R1, resistance R4, Zener diode Z1, audion Q2 and audion Q1 composition output short circuit protection
Function, in output short-circuit, the output that audion Q2 starts shutoff audion Q1 reaches protection, only in output not short circuit capacitance
C1 electricity is again started up normal work after discharging.Synchronously light modulation property is good for this circuit and three terminal bidirectional alternating-current switch single-stage solution, output
Metal-oxide semiconductor (MOS), furthermore the single-level power factor correction not dimmed are not burnt in short circuit, and it is fast that LED driving can input this mould
After reach no stroboscopic.
The announcement of book and teaching according to the above description, those skilled in the art in the invention can also be to above-mentioned embodiment party
Formula carries out suitable change and modification.Therefore, the invention is not limited in specific embodiment disclosed and described above, to this
In the scope of the claims that some modifications and changes of invention should also be as fall into the present invention.Although additionally, this specification
In employ some specific terms, but these terms are merely for convenience of description, do not constitute any restriction to the present invention.
Claims (4)
1. a kind of ripple absorbing circuit it is characterised in that：Including the follow circuit with automatic regulation function and short-circuit protection electricity
Road, described follow circuit automatically adjusts audion Q3, short-circuit protection circuit include resistance R1, resistance R4, Zener diode Z1, three
Pole pipe Q2 and audion Q1, the base stage of a terminals connecting triode Q1 of resistance R1, terminals of resistance R1 connect three poles
The base stage of pipe Q2, the colelctor electrode of the emitter stage connecting triode Q1 of audion Q2, the emitter stage of audion Q1 connects voltage stabilizing two pole
The colelctor electrode of pipe Z1, resistance R4 and audion Q2, another terminals of Zener diode Z1 connect power cathode, and resistance R4's is another
One terminals connect positive source.
2. ripple absorbing circuit according to claim 1 is it is characterised in that in power supply output short-circuit, audion Q2 opens
The dynamic output turning off audion Q1, reaches defencive function, and when output is not short-circuit, after electric capacity C1 electricity discharges, audion Q1 is again
Start normal work.
3. ripple absorbing circuit according to claim 2 is it is characterised in that described follow circuit includes electric capacity C1, voltage stabilizing
Diode Z2, diode D1 and resistance R3, terminals of electric capacity C1 connect power cathode, another terminals of electric capacity C1
Connect resistance R3, the base stage of Zener diode Z2 and audion Q3, another terminals of Zener diode Z2 connect diode D1,
Another terminals of diode D1 connect positive source.
4. ripple absorbing circuit according to claim 3 is it is characterised in that the circuit of described positive source and described power supply
Be connected with two branch lines between the circuit of negative pole, one end of two branch lines connects positive source, two branch lines another
End connects power cathode, and wherein one branch line is provided with resistance R2, and another branch line is provided with electric capacity C2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611072407.0A CN106413204B (en) | 2016-11-29 | 2016-11-29 | A kind of ripple absorbing circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611072407.0A CN106413204B (en) | 2016-11-29 | 2016-11-29 | A kind of ripple absorbing circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106413204A true CN106413204A (en) | 2017-02-15 |
| CN106413204B CN106413204B (en) | 2018-12-28 |
Family
ID=58084142
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611072407.0A Active CN106413204B (en) | 2016-11-29 | 2016-11-29 | A kind of ripple absorbing circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106413204B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107404788A (en) * | 2017-07-20 | 2017-11-28 | 厦门通士达照明有限公司 | It is synchronous to realize light modulation and the LED drivings IC without stroboscopic |
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|---|---|---|---|---|
| CN201184569Y (en) * | 2008-04-22 | 2009-01-21 | 宜兴市石诺照明有限公司 | Small power LED sending light capable of automatically adjusting current |
| WO2011083336A3 (en) * | 2010-01-08 | 2011-11-17 | Holdip Limited | Improvements relating to rectifier circuits |
| CN103066817A (en) * | 2012-12-24 | 2013-04-24 | 成都芯源系统有限公司 | Ripple suppression circuit, power supply system thereof and ripple suppression method |
| CN202997919U (en) * | 2012-12-24 | 2013-06-12 | 成都芯源系统有限公司 | Ripple suppression circuit and power supply system thereof |
| US20130187453A1 (en) * | 2011-11-22 | 2013-07-25 | Quantum Fuel Systems Technologies Worldwide Inc. | Fishtail Packaging and Cooling |
| CN104242620A (en) * | 2014-09-01 | 2014-12-24 | 成都芯源系统有限公司 | system with ripple suppression circuit and ripple suppression method thereof |
| CN104486870A (en) * | 2014-11-25 | 2015-04-01 | 深圳市润杰明成照明科技有限公司 | Driving circuit and driving device of non-flicker LED (light emitting diode) lamp |
| CN204258608U (en) * | 2014-09-01 | 2015-04-08 | 成都芯源系统有限公司 | Ripple suppression circuit and circuit system comprising same |
| US9444349B2 (en) * | 2012-12-10 | 2016-09-13 | Rohm Co., Ltd. | DC/DC converter, control circuit thereof, power supply, power adapter and electronic apparatus using the same |
| CN206181464U (en) * | 2016-11-29 | 2017-05-17 | 东莞市达恩照明有限公司 | Line wave absorption circuit |
-
2016
- 2016-11-29 CN CN201611072407.0A patent/CN106413204B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201184569Y (en) * | 2008-04-22 | 2009-01-21 | 宜兴市石诺照明有限公司 | Small power LED sending light capable of automatically adjusting current |
| WO2011083336A3 (en) * | 2010-01-08 | 2011-11-17 | Holdip Limited | Improvements relating to rectifier circuits |
| US20130187453A1 (en) * | 2011-11-22 | 2013-07-25 | Quantum Fuel Systems Technologies Worldwide Inc. | Fishtail Packaging and Cooling |
| US9444349B2 (en) * | 2012-12-10 | 2016-09-13 | Rohm Co., Ltd. | DC/DC converter, control circuit thereof, power supply, power adapter and electronic apparatus using the same |
| CN103066817A (en) * | 2012-12-24 | 2013-04-24 | 成都芯源系统有限公司 | Ripple suppression circuit, power supply system thereof and ripple suppression method |
| CN202997919U (en) * | 2012-12-24 | 2013-06-12 | 成都芯源系统有限公司 | Ripple suppression circuit and power supply system thereof |
| CN104242620A (en) * | 2014-09-01 | 2014-12-24 | 成都芯源系统有限公司 | system with ripple suppression circuit and ripple suppression method thereof |
| CN204258608U (en) * | 2014-09-01 | 2015-04-08 | 成都芯源系统有限公司 | Ripple suppression circuit and circuit system comprising same |
| CN104486870A (en) * | 2014-11-25 | 2015-04-01 | 深圳市润杰明成照明科技有限公司 | Driving circuit and driving device of non-flicker LED (light emitting diode) lamp |
| CN206181464U (en) * | 2016-11-29 | 2017-05-17 | 东莞市达恩照明有限公司 | Line wave absorption circuit |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107404788A (en) * | 2017-07-20 | 2017-11-28 | 厦门通士达照明有限公司 | It is synchronous to realize light modulation and the LED drivings IC without stroboscopic |
| CN107404788B (en) * | 2017-07-20 | 2023-06-02 | 厦门通士达照明有限公司 | LED driving IC for synchronously realizing dimming and no stroboscopic effect |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106413204B (en) | 2018-12-28 |
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