CN105743331A - Switching tube driving circuit for dual-tube flyback topological switch power supply - Google Patents
Switching tube driving circuit for dual-tube flyback topological switch power supply Download PDFInfo
- Publication number
- CN105743331A CN105743331A CN201610230881.5A CN201610230881A CN105743331A CN 105743331 A CN105743331 A CN 105743331A CN 201610230881 A CN201610230881 A CN 201610230881A CN 105743331 A CN105743331 A CN 105743331A
- Authority
- CN
- China
- Prior art keywords
- electric capacity
- resistance
- audion
- stabilivolt
- switching tube
- 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.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/08—Circuits specially adapted for the generation of control voltages for semiconductor devices incorporated in static converters
- H02M1/088—Circuits specially adapted for the generation of control voltages for semiconductor devices incorporated in static converters for the simultaneous control of series or parallel connected semiconductor devices
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Amplifiers (AREA)
Abstract
The invention discloses a switching tube driving circuit for a dual-tube flyback topological switch power supply. The switching tube driving circuit comprises a driving signal input end, a first capacitor, a driving transformer, a second capacitor, a third capacitor, a fourth capacitor, a fifth capacitor, a first triode, a second triode, a first resistor, a second resistor, a third resistor, a fourth resistor, a first voltage-regulator tube and a second voltage-regulator tube. The switching tube driving circuit is high in stability without requiring to push-pull a power amplifying circuit subsequently.
Description
Technical field
The present invention relates to a kind of drive circuit, be specifically related to a kind of double-transistor flyback Topology Switch on and off switch tube drive circuit.
Background technology
Power supply is the requisite ingredient of various electronic equipment, and can the quality of its performance be directly connected to the technical specification of electronic equipment and work safely and reliably.Due to Switching Power Supply volume, weight, by copper ferrum and energy consumption etc. in all substantially reduce than linear power supply, and complete machine many index is had good impact, therefore it is widely used in the fields such as post and telecommunications, military equipment, means of transportation, instrument and meter, industrial equipment, household electrical appliance, just develops towards high power density, high conversion efficiency, high reliability, free of contamination direction.So seeking high performance Switching Power Supply is the important research contents of Power Electronic Technique.
Owing to anti exciting converter has that high reliability, circuit topology be succinct, input and output electrical isolation, lifting/lowering wide ranges, is prone to the advantages such as multiple-channel output.Therefore, anti exciting converter is the desirable circuit topology of middle low power Switching Power Supply.
But due to the effect of back-pressure, the voltage that the switching tube of circuit of reversed excitation bears, often higher than input voltage, therefore limits the circuit of reversed excitation application in high pressure occasion.
In subsequent occurrences of double-transistor flyback topology, owing to the voltage magnitude applied on each power switch pipe is less than input voltage, it is particularly suitable for high input voltage occasion, but the impact due to former limit capacitance, driving transformer secondary voltage is caused to there will be positive negative pulse stuffing, and the amplitude of this positive negative pulse stuffing can change with the change in duty cycle of pulse, reliability is poor, and when simultaneously driving, rear class needs to increase push-pull power amplifier circuit.
Summary of the invention
It is an object of the invention to the shortcoming overcoming above-mentioned prior art, it is provided that a kind of double-transistor flyback Topology Switch on and off switch tube drive circuit, this drive circuit reliability is better, and rear class does not need push-pull power amplifier circuit.
For reaching above-mentioned purpose, double-transistor flyback Topology Switch on and off switch tube drive circuit of the present invention, it is characterized in that, including driving signal input, the first electric capacity, driving transformer, the second electric capacity, the 3rd electric capacity, the 3rd electric capacity, the 4th electric capacity, the 5th electric capacity, the first audion, the second audion, the first resistance, the second resistance, the 3rd resistance, the 4th resistance, the first stabilivolt and the second stabilivolt；
The positive pole of driving signal input is connected with one end of armature winding in driving transformer through the first electric capacity, the negative pole of driving signal input is connected with the other end of armature winding in driving transformer, in driving transformer, one end of the first secondary windings is connected with one end of the second electric capacity, one end of the other end of the first secondary windings and the 4th electric capacity in driving transformer, the negative pole of the first stabilivolt and the S level of switching tube to be driven are connected, one end of the other end of the second electric capacity and one end of the first resistance and the second resistance is connected, the G level of the other end of the first resistance and the colelctor electrode of the first audion and switching tube to be driven is connected, the other end of the second resistance and the base stage of the first audion are connected, the emitter stage of the first audion is connected with the other end of the 4th electric capacity and the positive pole of the first stabilivolt；
In driving transformer, one end of second subprime winding is connected with one end of the 3rd electric capacity, one end of the other end of second subprime winding and the 5th electric capacity in driving transformer, the negative pole of the second stabilivolt and the S level of switching tube to be driven are connected, the other end of the 3rd electric capacity is connected with one end of the 3rd resistance and one end of the 4th resistance, the colelctor electrode of the 3rd resistance other end and the second audion and the G level of switching tube to be controlled are connected, the other end of the 4th resistance and the colelctor electrode of the second audion are connected, the emitter stage of the second audion is connected with the other end of the 5th electric capacity and the positive pole of the second stabilivolt.
Also including the first bleeder resistance, wherein, the two ends of the first bleeder resistance are connected with the negative pole of the colelctor electrode of the first audion and the first stabilivolt respectively.
Also including the second bleeder resistance, wherein, the two ends of the second bleeder resistance are connected with the negative pole of the colelctor electrode of the second audion and the second stabilivolt respectively.
The method have the advantages that
Double-transistor flyback Topology Switch on and off switch tube drive circuit of the present invention includes driving transformer, the first audion and the second audion, the first secondary windings and second subprime winding in driving transformer are connected to the second electric capacity and the 3rd electric capacity, negative pressure is retained by the second electric capacity and the 3rd electric capacity, make negative pressure not over the voltage stabilizing value of stabilivolt, being especially suitable for the driving of SICmos pipe, reliability is better.Increasing, by the first audion and the second audion, the driving force driving signal, rear class is no longer necessary to increase push-pull power amplifier circuit, and simple in construction, cost is low, and can improve the service behaviour of power supply, security performance and reliability simultaneously.
Accompanying drawing explanation
Fig. 1 is the circuit diagram of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described in further detail:
With reference to Fig. 1, double-transistor flyback Topology Switch on and off switch tube drive circuit of the present invention includes driving signal input, the first electric capacity C1, driving transformer T1, the second electric capacity C2, the 3rd electric capacity C3, the 3rd electric capacity C3, the 4th electric capacity C4, the 5th electric capacity C5, the first audion Q1, the second audion Q2, the first resistance R1, the second resistance R2, the 3rd resistance R3, the 4th resistance R4, the first stabilivolt Z1 and the second stabilivolt Z2；nullThe positive pole of driving signal input one end of armature winding in the first electric capacity C1 and driving transformer T1 is connected，The negative pole of driving signal input is connected with the other end of armature winding in driving transformer T1，In driving transformer T1, one end of the first secondary windings is connected with one end of the second electric capacity C2，One end of the other end of the first secondary windings and the 4th electric capacity C4 in driving transformer T1、The negative pole of the first stabilivolt Z1 and the S level of switching tube to be driven are connected，One end of the other end of the second electric capacity C2 and one end of the first resistance R1 and the second resistance R2 is connected，The other end of the first resistance R1 is connected with the colelctor electrode of the first audion Q1 and the G level of switching tube to be driven，The other end of the second resistance R2 and the base stage of the first audion Q1 are connected，The positive pole of the emitter stage of the first audion Q1 and the other end of the 4th electric capacity C4 and the first stabilivolt Z1 is connected；In driving transformer T1, one end of second subprime winding is connected with one end of the 3rd electric capacity C3, one end of the other end of second subprime winding and the 5th electric capacity C5 in driving transformer T1, the negative pole of the second stabilivolt Z2 and the S level of switching tube to be driven are connected, the other end of the 3rd electric capacity C3 is connected with one end of the 3rd resistance R3 and one end of the 4th resistance R4, the 3rd resistance R3 other end is connected with the colelctor electrode of the second audion Q2 and the G level of switching tube to be controlled, the other end of the 4th resistance R4 and the colelctor electrode of the second audion Q2 are connected, the positive pole of the emitter stage of the second audion Q2 and the other end of the 5th electric capacity C5 and the second stabilivolt Z2 is connected.
It should be noted that present invention additionally comprises the first bleeder resistance R5 and the second bleeder resistance R6, wherein, the two ends of the first bleeder resistance R5 are connected with the negative pole of the colelctor electrode of the first audion Q1 and the first stabilivolt Z2 respectively；The two ends of the second bleeder resistance R6 are connected with the negative pole of the colelctor electrode of the second audion Q2 and the second stabilivolt Z2 respectively.
Driving signal after driving transformer T1, drive signal to become the driving signal that two-way phase place is identical, be mutually isolated, two drive signal to enter in switching tube after same treatment.
It is presented above the specific embodiment that the present invention relates to circuit, but the present invention is not limited to described embodiment.Under the thinking that the present invention provides; adopt the mode being readily apparent that to those skilled in the art that the technological means in above-described embodiment is converted, replaces, revised; and the goal of the invention that the effect played is essentially identical with the relevant art means in the present invention, realize is also essentially identical; above-described embodiment is carried out fine setting and is formed by the technical scheme so formed, and this technical scheme still falls within protection scope of the present invention.
Claims (3)
1. a double-transistor flyback Topology Switch on and off switch tube drive circuit, it is characterized in that, including driving signal input, first electric capacity (C1), driving transformer (T1), second electric capacity (C2), 3rd electric capacity (C3), 3rd electric capacity (C3), 4th electric capacity (C4), 5th electric capacity (C5), first audion (Q1), second audion (Q2), first resistance (R1), second resistance (R2), 3rd resistance (R3), 4th resistance (R4), first stabilivolt (Z1) and the second stabilivolt (Z2)；
nullThe positive pole of driving signal input is connected with one end of armature winding in driving transformer (T1) through the first electric capacity (C1)，The negative pole of driving signal input is connected with the other end of armature winding in driving transformer (T1)，In driving transformer (T1), one end of the first secondary windings is connected with one end of the second electric capacity (C2)，One end of the other end of the first secondary windings and the 4th electric capacity (C4) in driving transformer (T1)、The negative pole of the first stabilivolt (Z1) and the S level of switching tube to be driven are connected，One end of the other end of the second electric capacity (C2) and one end of the first resistance (R1) and the second resistance (R2) is connected，The other end of the first resistance (R1) is connected with the colelctor electrode of the first audion (Q1) and the G level of switching tube to be driven，The other end of the second resistance (R2) and the base stage of the first audion (Q1) are connected，The emitter stage of the first audion (Q1) is connected with the other end of the 4th electric capacity (C4) and the positive pole of the first stabilivolt (Z1)；
In driving transformer (T1), one end of second subprime winding is connected with one end of the 3rd electric capacity (C3), one end of the other end of second subprime winding and the 5th electric capacity (C5) in driving transformer (T1), the negative pole of the second stabilivolt (Z2) and the S level of switching tube to be driven are connected, the other end of the 3rd electric capacity (C3) is connected with one end of the 3rd resistance (R3) and one end of the 4th resistance (R4), 3rd resistance (R3) other end is connected with the colelctor electrode of the second audion (Q2) and the G level of switching tube to be controlled, the other end of the 4th resistance (R4) and the colelctor electrode of the second audion (Q2) are connected, the emitter stage of the second audion (Q2) is connected with the other end of the 5th electric capacity (C5) and the positive pole of the second stabilivolt (Z2).
2. double-transistor flyback Topology Switch on and off switch tube drive circuit according to claim 1, it is characterized in that, also include the first bleeder resistance (R5), wherein, the two ends of the first bleeder resistance (R5) are connected with the negative pole of the colelctor electrode of the first audion (Q1) and the first stabilivolt (Z2) respectively.
3. double-transistor flyback Topology Switch on and off switch tube drive circuit according to claim 2, it is characterized in that, also include the second bleeder resistance (R6), wherein, the two ends of the second bleeder resistance (R6) are connected with the negative pole of the colelctor electrode of the second audion (Q2) and the second stabilivolt (Z2) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610230881.5A CN105743331A (en) | 2016-04-14 | 2016-04-14 | Switching tube driving circuit for dual-tube flyback topological switch power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610230881.5A CN105743331A (en) | 2016-04-14 | 2016-04-14 | Switching tube driving circuit for dual-tube flyback topological switch power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105743331A true CN105743331A (en) | 2016-07-06 |
Family
ID=56254350
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610230881.5A Pending CN105743331A (en) | 2016-04-14 | 2016-04-14 | Switching tube driving circuit for dual-tube flyback topological switch power supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105743331A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107124090A (en) * | 2017-05-27 | 2017-09-01 | 深圳航天科技创新研究院 | Applied to the fast drive circuit in high-pressure solid-state switch, high-pressure solid-state switch |
| CN107800293A (en) * | 2016-08-29 | 2018-03-13 | 丰郅(上海)新能源科技有限公司 | A kind of drive circuit and the photovoltaic power optimization system using the drive circuit |
| CN109586561A (en) * | 2018-10-30 | 2019-04-05 | 上海沪工焊接集团股份有限公司 | A kind of two-tube driving circuit and its control method |
| CN109687693A (en) * | 2018-12-29 | 2019-04-26 | 航天柏克(广东)科技有限公司 | A kind of driver for isolating and high frequency switch power |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6807071B1 (en) * | 2003-07-28 | 2004-10-19 | Delta Electronics Inc. | Transformer isolated driver |
| CN103023282A (en) * | 2011-09-23 | 2013-04-03 | 南京博兰得电子科技有限公司 | Insulation driving circuit |
| CN103066814A (en) * | 2011-10-24 | 2013-04-24 | 中兴通讯股份有限公司 | Isolated drive circuit |
| CN103414354A (en) * | 2013-07-16 | 2013-11-27 | 燕山大学 | Power switch device pulse transformer isolation driving circuit |
| CN204810133U (en) * | 2015-06-26 | 2015-11-25 | 深圳市茂宏电气有限公司 | Drive circuit of high frequency switching power supply MOS pipe |
-
2016
- 2016-04-14 CN CN201610230881.5A patent/CN105743331A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6807071B1 (en) * | 2003-07-28 | 2004-10-19 | Delta Electronics Inc. | Transformer isolated driver |
| CN103023282A (en) * | 2011-09-23 | 2013-04-03 | 南京博兰得电子科技有限公司 | Insulation driving circuit |
| CN103066814A (en) * | 2011-10-24 | 2013-04-24 | 中兴通讯股份有限公司 | Isolated drive circuit |
| CN103414354A (en) * | 2013-07-16 | 2013-11-27 | 燕山大学 | Power switch device pulse transformer isolation driving circuit |
| CN204810133U (en) * | 2015-06-26 | 2015-11-25 | 深圳市茂宏电气有限公司 | Drive circuit of high frequency switching power supply MOS pipe |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107800293A (en) * | 2016-08-29 | 2018-03-13 | 丰郅(上海)新能源科技有限公司 | A kind of drive circuit and the photovoltaic power optimization system using the drive circuit |
| CN107800293B (en) * | 2016-08-29 | 2020-09-08 | 丰郅(上海)新能源科技有限公司 | Drive circuit and photovoltaic power optimization system adopting same |
| CN107124090A (en) * | 2017-05-27 | 2017-09-01 | 深圳航天科技创新研究院 | Applied to the fast drive circuit in high-pressure solid-state switch, high-pressure solid-state switch |
| CN107124090B (en) * | 2017-05-27 | 2020-03-20 | 深圳航天科技创新研究院 | Fast driving circuit applied to high-voltage solid-state switch and high-voltage solid-state switch |
| CN109586561A (en) * | 2018-10-30 | 2019-04-05 | 上海沪工焊接集团股份有限公司 | A kind of two-tube driving circuit and its control method |
| CN109687693A (en) * | 2018-12-29 | 2019-04-26 | 航天柏克(广东)科技有限公司 | A kind of driver for isolating and high frequency switch power |
| CN109687693B (en) * | 2018-12-29 | 2020-02-07 | 航天柏克(广东)科技有限公司 | Isolation driver and high-frequency switching power supply |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105743331A (en) | Switching tube driving circuit for dual-tube flyback topological switch power supply | |
| CN104300798B (en) | The control device of Switching Power Supply | |
| CN206149137U (en) | Machine controller high voltage isolation sampling circuit | |
| CN104201900A (en) | Resonant converter and method for controlling same | |
| CN102290994A (en) | Isolating transmission method of switch power supply and circuit thereof | |
| CN203800802U (en) | Large current detection circuit and power source circuit | |
| CN103280979B (en) | Recommend output switch power source | |
| CN203933591U (en) | A kind of contactor and power circuit | |
| CN109245498A (en) | A kind of double-transistor flyback Topology Switch power circuit for realizing driving using transformer leakage inductance | |
| CN202931255U (en) | Power amplification driving circuit applied to electric-power carrier communication | |
| CN104184323A (en) | Bidirectional DC/DC converter circuit | |
| CN205693566U (en) | The output circuit of two-way switch power supply | |
| CN201887664U (en) | Magnetic isolation feedback circuit of switch power supply | |
| CN204792384U (en) | Capacitanc cluster shunt transformer | |
| CN206004328U (en) | A kind of wireless power transmitter | |
| CN203911758U (en) | Self-reset single-end normal shock circuit | |
| CN206022069U (en) | High frequency voltage bonder based on mixing magnetic core principle | |
| CN106160025B (en) | A kind of wireless power transmitter | |
| CN107809177B (en) | A kind of adjustable driving circuit of isolated form output voltage | |
| KR101230862B1 (en) | Inverter apparatus for driving multilevel with a single input source | |
| CN103916009A (en) | Negative voltage output circuit | |
| CN204013235U (en) | The small power electric source circuit of symmetrical operation | |
| CN206533284U (en) | Auto-excitation type push-pull type change-over circuit | |
| CN106018894B (en) | EMC test attenuation oscillasion impulse voltage generator | |
| CN203747658U (en) | Magnetic flux cancellation type high-efficiency flyback DC-DC converter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160706 |
|
| RJ01 | Rejection of invention patent application after publication |