CN104901560A - High-frequency switch power supply converter employing magnetic amplification technology - Google Patents
High-frequency switch power supply converter employing magnetic amplification technology Download PDFInfo
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- CN104901560A CN104901560A CN201510352496.3A CN201510352496A CN104901560A CN 104901560 A CN104901560 A CN 104901560A CN 201510352496 A CN201510352496 A CN 201510352496A CN 104901560 A CN104901560 A CN 104901560A
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Abstract
The invention discloses a high-frequency switch power supply converter employing a magnetic amplification technology. The high-frequency switch power supply converter is composed of a primary circuit and a plurality of secondary magnetic amplification circuits, wherein the primary circuit comprises an input filtering circuit, an input anti-surge circuit a direct-current filtering circuit, a DC/DC conversion circuit, an output filtering circuit and a feedback circuit; and the secondary magnetic amplification circuit is composed of an energy storage circuit, a rectification circuit, a filtering circuit, a control driving circuit, a magnetic flux reset circuit and a voltage feedback circuit. The high-frequency switch power supply converter has the advantages of simple circuit, small size, light weight, high reliability, high efficiency, low noise, high precision, miniaturization and the like; and the high-frequency switch power supply converter is favored more and more by people, especially when the high-frequency switch power supply converter is applied to a multipath output high-frequency switch power supply, the stabilized voltage of each output path except a main output path can be individually adjusted by the magnetic amplification technology, and the circuit topological structure is simple, reliable and highly efficient.
Description
Technical field
The present invention relates to a kind of supply convertor, specifically, relate to a kind of high frequency switch power converter with magnetic amplifying technique.
Background technology
At present, before thyristor and transistor are extensively promoted, magnetic amplifying technique plays an important role as controlling the means of power stage, and the supply convertor applying magnetic amplifying technique has that the life-span is long, overload capacity is strong, can work under vibration and impact condition, without the need to advantages such as frequent maintenances.But during this period, magnetic amplifying technique is only limitted to the frequency of power frequency supply, for traditional power frequency supply converter, early stage magnetic amplifies the shortcomings such as supply convertor volume is large, weight is large, efficiency is low.Along with high magnetic permeability, the appearance of low-loss square loop material under high frequency, make magnetic amplifying technique be applied to high frequency switch power converter design and become possibility, it is simple that the high frequency switch power converter applying magnetic amplifying technique has circuit topological structure, high reliability, high efficiency, low noise, the feature such as high accuracy and miniaturization, more and more be subject to the favor of people, particularly to be applied in multiple-channel output high frequency switch power except main output, all the other each roads export voltage stabilizing and magnetic amplifying technique can be adopted to regulate separately, there is circuit topological structure simple, the advantage such as reliable and efficient.
Summary of the invention
A kind of high frequency switch power converter with magnetic amplifying technique that the present invention designs to solve the problems of the technologies described above just.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of high frequency switch power converter with magnetic amplifying technique, be made up of front stage circuits and multiple secondary magnetic amplifying circuit, wherein front stage circuits comprises input filter circuit, input limit surge circuit, DC filtering circuit, DC/DC translation circuit, output filter circuit and feedback circuit, secondary magnetic amplifying circuit is made up of accumulator, rectification circuit, filter circuit, control drive circuit, magnetic-reset circuit and voltage feedback circuit.Secondary magnetic amplifying circuit adopts magnetic amplifying technique to realize exporting voltage stabilizing by regulating the pulsewidth width of main transformer secondary winding, and wherein accumulator is that magnetic amplifies inductance L 1; Rectification circuit is diode D3, carries out rectification to prime pulsating voltage; Filter circuit is made up of alminium electrolytic condenser C2, C3, continues reliably direct voltage for late-class circuit provides; Control drive circuit by diode D1, D2, triode Q1, resistance R5, R7 and R8 form, and reach by regulating the pulsewidth width of main transformer secondary winding the object exporting voltage stabilizing; Magnetic-reset circuit is by diode D4, D5, and polarity free capacitor C1 and resistance R1-R4 forms, and magnetic flux arrives saturated rear circuit operation and carries out demagnetization process, makes magnetic flux or the close numerical value getting back to original working point of magnetic; Voltage feedback circuit is by voltage reference Q2, polarity free capacitor C4-C6, resistance R6, R9, R10, R11 and regulating resistor Rx form, voltage fluctuation variable quantity is fed back to prime controls drive circuit by comparing with standard of precision voltage by Real-Time Monitoring output voltage fluctuation situation, by obtaining reliable and stable voltage output after feedback adjusting; The annexation of secondary magnetic amplifying circuit is: the secondary Same Name of Ends of transformer T amplifies inductance L 1 by magnetic and is connected with diode D3 positive pole, the secondary different name end ground connection of transformer T; Diode D3 negative pole amplifies inductance L 2 by magnetic and is connected with the positive pole of electric capacity C2, C3, connects the minus earth that voltage exports Vo, C2, C3 simultaneously; The negative pole of diode D1, D2 is connected with the collector electrode of triode Q1, the positive pole of D1 is connected with the positive level of D3, and the positive pole of D1 is connected to the ground, and resistance R5 mono-pin is connected with the base stage of Q1, resistance R7, R8 mono-pin be connected with the emitter of Q1, another pin of R5, R7 and R8 is connected to Vo; Diode D4, D5 positive pole is connected to the ground, and electric capacity C1 is connected across between D4, D5 negative pole, and D4 negative pole is connected with D3 negative pole, and resistance R1-R4 and D5 is in parallel; 3 pin of voltage-stabiliser tube Q2 are connected with the base stage of Q1 by resistance, between 1 and 3 pin of electric capacity C5 cross-over connection Q2, electric capacity C6 connect with resistance R9 after cross-over connection Q2 1 and 3 pin between, it is in parallel with resistance Rx after electric capacity C4 connects with resistance R10, Rx mono-pin is connected with Vo, another pin of Rx is connected with 1 pin of Q2, and 1 pin of Q2 passes through resistance R11 ground connection, 2 ground connection of Q2.
Described a kind of high frequency switch power converter with magnetic amplifying technique, its magnetic amplifies inductance L 1 and adopts amorphous or nano crystal soft magnetic material, and its model is 6-E4010-W663.
Described a kind of high frequency switch power converter with magnetic amplifying technique, its front polar circuit topological structure is single-ended flyback circuit, single-ended forward type circuit, double switching forward circuit, push-pull circuit, one of half bridge circuit or full bridge circuit.
Described a kind of high frequency switch power converter with magnetic amplifying technique, have employed integrative packaging structure, makes the operating state that still can maintain a long-term stability under the rigor condition such as humidity, vibratory impulse, corrosion and mould.
1, operation principle
A kind of high frequency switch power converter with magnetic amplifying technique, primarily of main circuit part and secondary magnetic amplifying circuit composition, wherein main circuit part comprises input filter circuit, input limit surge circuit, DC filtering circuit, DC/DC translation circuit, the part such as output filter circuit and feedback circuit composition, this part and general high-frequency switch circuit are without any difference, circuit topological structure can choose single-ended flyback circuit, single-ended forward type circuit, double switching forward circuit, push-pull circuit, the various ways such as half bridge circuit and full bridge circuit, and secondary magnetic amplification circuits is primarily of accumulator, rectification circuit, filter circuit, control drive circuit, magnetic-reset circuit and voltage feedback circuit composition.The object exporting voltage stabilizing is reached by regulating the pulsewidth width of main transformer secondary winding.Owing to which employs integrative packaging structure, make the operating state that still can maintain a long-term stability under the rigor condition such as humidity, vibratory impulse, corrosion and mould.
2, the feature of device
1. function admirable, can provide the demands such as multichannel regulated output voltage simultaneously.
Patent of the present invention, for the limitation of traditional mains switch frequency, has carried out brand-new design and perfect.Thus effectively improve the switching frequency range of power supply, be applied to the conversion of multiple-channel output high frequency switch power wherein, all can effectively provide corresponding power supply, ensure that circuit normally works.
2. simple circuit, working stability.
Patent of the present invention adopts circuit structure simple, uses component number few, except two power tubes, other components and parts are all permanent or semi-permanent, reliability is high, makes and also easily can reduce system cost, improve design flexibility and efficiency.
3. high performance-price ratio, high efficiency, applied widely.
Patent of the present invention has high performance-price ratio, the features such as high efficiency, circuit topological structure can be chosen the various ways such as single-ended flyback circuit, single-ended forward type circuit, double switching forward circuit, push-pull circuit, half bridge circuit and full bridge circuit, can be widely used in the system power supply of the equipment such as digital circuit, industrial instrument, communications and transportation and information communication.
The invention has the beneficial effects as follows to have that circuit is simple, volume is little, lightweight, the feature such as high reliability, high efficiency, low noise, high accuracy and miniaturization, more and more be subject to the favor of people, particularly to be applied in multiple-channel output high frequency switch power except main output, all the other each roads export voltage stabilizing and magnetic amplifying technique can be adopted to regulate separately, have the advantages such as circuit topological structure is simple, reliable and efficient.
Accompanying drawing explanation
Fig. 1 is the high frequency switch power converter secondary magnetic amplifying circuit theory diagram with magnetic amplifying technique.
Fig. 2 is the high frequency switch power converter secondary magnetic amplifying circuit schematic diagram with magnetic amplifying technique.
Embodiment
Below in conjunction with drawings and Examples, the present invention is further described.
As illustrated in fig. 1 and 2, a kind of high frequency switch power converter with magnetic amplifying technique of the present invention, be made up of front stage circuits and multiple secondary magnetic amplifying circuit, wherein front stage circuits comprises input filter circuit, input limit surge circuit, DC filtering circuit, DC/DC translation circuit, output filter circuit and feedback circuit, secondary magnetic amplifying circuit is made up of accumulator, rectification circuit, filter circuit, control drive circuit, magnetic-reset circuit and voltage feedback circuit.Secondary magnetic amplifying circuit adopts magnetic amplifying technique to realize exporting voltage stabilizing by regulating the pulsewidth width of main transformer secondary winding, and wherein accumulator is that magnetic amplifies inductance L 1.Rectification circuit is diode D3, carries out rectification to prime pulsating voltage; Filter circuit is made up of alminium electrolytic condenser C2, C3, continues reliably direct voltage for late-class circuit provides; Control drive circuit by diode D1, D2, triode Q1, resistance R5, R7 and R8 form, and reach by regulating the pulsewidth width of main transformer secondary winding the object exporting voltage stabilizing; Magnetic-reset circuit is by diode D4, D5, and polarity free capacitor C1 and resistance R1-R4 forms, and magnetic flux arrives saturated rear circuit operation and carries out demagnetization process, makes magnetic flux or the close numerical value getting back to original working point of magnetic; Voltage feedback circuit is by voltage reference Q2, polarity free capacitor C4-C6, resistance R6, R9, R10, R11 and regulating resistor Rx form, voltage fluctuation variable quantity is fed back to prime controls drive circuit by comparing with standard of precision voltage by Real-Time Monitoring output voltage fluctuation situation, by obtaining reliable and stable voltage output after feedback adjusting; The annexation of secondary magnetic amplifying circuit is: the secondary Same Name of Ends of transformer T amplifies inductance L 1 by magnetic and is connected with diode D3 positive pole, the secondary different name end ground connection of transformer T; Diode D3 negative pole amplifies inductance L 2 by magnetic and is connected with the positive pole of electric capacity C2, C3, connects the minus earth that voltage exports Vo, C2, C3 simultaneously; The negative pole of diode D1, D2 is connected with the collector electrode of triode Q1, the positive pole of D1 is connected with the positive level of D3, and the positive pole of D1 is connected to the ground, and resistance R5 mono-pin is connected with the base stage of Q1, resistance R7, R8 mono-pin be connected with the emitter of Q1, another pin of R5, R7 and R8 is connected to Vo; Diode D4, D5 positive pole is connected to the ground, and electric capacity C1 is connected across between D4, D5 negative pole, and D4 negative pole is connected with D3 negative pole, and resistance R1-R4 and D5 is in parallel; 3 pin of voltage-stabiliser tube Q2 are connected with the base stage of Q1 by resistance, between 1 and 3 pin of electric capacity C5 cross-over connection Q2, electric capacity C6 connect with resistance R9 after cross-over connection Q2 1 and 3 pin between, it is in parallel with resistance Rx after electric capacity C4 connects with resistance R10, Rx mono-pin is connected with Vo, another pin of Rx is connected with 1 pin of Q2, and 1 pin of Q2 passes through resistance R11 ground connection, 2 ground connection of Q2.
Described a kind of high frequency switch power converter with magnetic amplifying technique, its magnetic amplification inductance L 1 have chosen has high magnetic permeability, amorphous, the nano crystal soft magnetic material of high squareness ratio and desirable high-temperature stability are made, be applied in the secondary auxiliary winding of multi-output switch power source converter, impayable Drazin inverse accuracy can be provided, and higher operating efficiency can be obtained.Its model is 6-E4010-W663.
Described a kind of high frequency switch power converter with magnetic amplifying technique, its front polar circuit topological structure is single-ended flyback circuit, single-ended forward type circuit, double switching forward circuit, push-pull circuit, one of half bridge circuit or full bridge circuit.
Described a kind of high frequency switch power converter with magnetic amplifying technique, have employed integrative packaging structure, makes the operating state that still can maintain a long-term stability under the rigor condition such as humidity, vibratory impulse, corrosion and mould.
The present invention is not limited to above-mentioned preferred forms, anyone other any or akin products identical with the present invention drawn under enlightenment of the present invention, all drops within protection scope of the present invention.
Claims (4)
1. one kind has the high frequency switch power converter of magnetic amplifying technique, be made up of front stage circuits and multiple secondary magnetic amplifying circuit, wherein front stage circuits comprises input filter circuit, input limit surge circuit, DC filtering circuit, DC/DC translation circuit, output filter circuit and feedback circuit, secondary magnetic amplifying circuit is made up of accumulator, rectification circuit, filter circuit, control drive circuit, magnetic-reset circuit and voltage feedback circuit; It is characterized in that: secondary magnetic amplifying circuit adopts magnetic amplifying technique to realize exporting voltage stabilizing by regulating the pulsewidth width of main transformer secondary winding, and wherein accumulator is that magnetic amplifies inductance L 1; Rectification circuit is diode D3, carries out rectification to prime pulsating voltage; Filter circuit is made up of alminium electrolytic condenser C2, C3, continues reliably direct voltage for late-class circuit provides; Control drive circuit by diode D1, D2, triode Q1, resistance R5, R7 and R8 form, and reach by regulating the pulsewidth width of main transformer secondary winding the object exporting voltage stabilizing; Magnetic-reset circuit is by diode D4, D5, and polarity free capacitor C1 and resistance R1-R4 forms, and magnetic flux arrives saturated rear circuit operation and carries out demagnetization process, makes magnetic flux or the close numerical value getting back to original working point of magnetic; Voltage feedback circuit is by voltage reference Q2, polarity free capacitor C4-C6, resistance R6, R9, R10, R11 and regulating resistor Rx form, voltage fluctuation variable quantity is fed back to prime controls drive circuit by comparing with standard of precision voltage by Real-Time Monitoring output voltage fluctuation situation, by obtaining reliable and stable voltage output after feedback adjusting; The annexation of secondary magnetic amplifying circuit is: the secondary Same Name of Ends of transformer T amplifies inductance L 1 by magnetic and is connected with diode D3 positive pole, the secondary different name end ground connection of transformer T; Diode D3 negative pole amplifies inductance L 2 by magnetic and is connected with the positive pole of electric capacity C2, C3, connects the minus earth that voltage exports Vo, C2, C3 simultaneously; The negative pole of diode D1, D2 is connected with the collector electrode of triode Q1, the positive pole of D1 is connected with the positive level of D3, and the positive pole of D1 is connected to the ground, and resistance R5 mono-pin is connected with the base stage of Q1, resistance R7, R8 mono-pin be connected with the emitter of Q1, another pin of R5, R7 and R8 is connected to Vo; Diode D4, D5 positive pole is connected to the ground, and electric capacity C1 is connected across between D4, D5 negative pole, and D4 negative pole is connected with D3 negative pole, and resistance R1-R4 and D5 is in parallel; 3 pin of voltage-stabiliser tube Q2 are connected with the base stage of Q1 by resistance, between 1 and 3 pin of electric capacity C5 cross-over connection Q2, electric capacity C6 connect with resistance R9 after cross-over connection Q2 1 and 3 pin between, it is in parallel with resistance Rx after electric capacity C4 connects with resistance R10, Rx mono-pin is connected with Vo, another pin of Rx is connected with 1 pin of Q2, and 1 pin of Q2 passes through resistance R11 ground connection, 2 ground connection of Q2.
2. a kind of high frequency switch power converter with magnetic amplifying technique according to claim 1, is characterized in that: magnetic amplifies inductance L 1 and adopts amorphous or nano crystal soft magnetic material, and its model is 6-E4010-W663.
3. a kind of high frequency switch power converter with magnetic amplifying technique according to claim 1, is characterized in that: front polar circuit topological structure is single-ended flyback circuit, single-ended forward type circuit, double switching forward circuit, push-pull circuit, one of half bridge circuit or full bridge circuit.
4. a kind of high frequency switch power converter with magnetic amplifying technique according to claim 1, it is characterized in that: have employed integrative packaging structure, make the operating state that still can maintain a long-term stability under the rigor condition such as humidity, vibratory impulse, corrosion and mould.
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01318545A (en) * | 1988-06-20 | 1989-12-25 | Yokogawa Electric Corp | Dc stabilized power source using magnetic amplifier |
| CN1262551A (en) * | 2000-01-13 | 2000-08-09 | 深圳市华为电气股份有限公司 | Dual-output power supply with high voltage stability and high precision |
| CN1941586A (en) * | 2005-09-27 | 2007-04-04 | 三星电子株式会社 | Energy effective switching power supply apparatus and energy effective method thereof |
| CN102148572A (en) * | 2011-04-22 | 2011-08-10 | 威海东兴电子有限公司 | Fixed voltage-second product feedback-free forward power module with multiplexed output |
| CN103762869A (en) * | 2014-02-14 | 2014-04-30 | 太原理工大学 | Stabilized switching power supply circuit |
| CN204376529U (en) * | 2015-01-30 | 2015-06-03 | 何用辉 | A kind of intelligent distributed distribution DC power supply |
| CN204392086U (en) * | 2015-01-21 | 2015-06-10 | 航天长峰朝阳电源有限公司 | A railway locomotive tailored version integrated power supply converter |
| CN204696940U (en) * | 2015-06-24 | 2015-10-07 | 航天长峰朝阳电源有限公司 | A kind of high frequency switch power converter with magnetic amplifying technique |
-
2015
- 2015-06-24 CN CN201510352496.3A patent/CN104901560A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01318545A (en) * | 1988-06-20 | 1989-12-25 | Yokogawa Electric Corp | Dc stabilized power source using magnetic amplifier |
| CN1262551A (en) * | 2000-01-13 | 2000-08-09 | 深圳市华为电气股份有限公司 | Dual-output power supply with high voltage stability and high precision |
| CN1941586A (en) * | 2005-09-27 | 2007-04-04 | 三星电子株式会社 | Energy effective switching power supply apparatus and energy effective method thereof |
| CN102148572A (en) * | 2011-04-22 | 2011-08-10 | 威海东兴电子有限公司 | Fixed voltage-second product feedback-free forward power module with multiplexed output |
| CN103762869A (en) * | 2014-02-14 | 2014-04-30 | 太原理工大学 | Stabilized switching power supply circuit |
| CN204392086U (en) * | 2015-01-21 | 2015-06-10 | 航天长峰朝阳电源有限公司 | A railway locomotive tailored version integrated power supply converter |
| CN204376529U (en) * | 2015-01-30 | 2015-06-03 | 何用辉 | A kind of intelligent distributed distribution DC power supply |
| CN204696940U (en) * | 2015-06-24 | 2015-10-07 | 航天长峰朝阳电源有限公司 | A kind of high frequency switch power converter with magnetic amplifying technique |
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Inventor after: Chen Kun Inventor after: Gao Haiyan Inventor after: Jiang Lili Inventor after: Qi Junjie Inventor after: Xu Yanhua Inventor before: Chen Kun Inventor before: Gao Haiyan Inventor before: Jiang Lili Inventor before: Qi Junjie Inventor before: Xu Yanhua |
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Application publication date: 20150909 |
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