CN105591550A - High-power variable-frequency power supply for corrosion of electron aluminum foil - Google Patents
High-power variable-frequency power supply for corrosion of electron aluminum foil Download PDFInfo
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- CN105591550A CN105591550A CN201610030027.4A CN201610030027A CN105591550A CN 105591550 A CN105591550 A CN 105591550A CN 201610030027 A CN201610030027 A CN 201610030027A CN 105591550 A CN105591550 A CN 105591550A
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- power supply
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- aluminum foil
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- 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
- H02M5/00—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases
- H02M5/40—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc
- H02M5/42—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters
- H02M5/44—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters using discharge tubes or semiconductor devices to convert the intermediate dc into ac
- H02M5/453—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters using discharge tubes or semiconductor devices to convert the intermediate dc into ac using devices of a triode or transistor type requiring continuous application of a control signal
- H02M5/458—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters using discharge tubes or semiconductor devices to convert the intermediate dc into ac using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Inverter Devices (AREA)
Abstract
The invention discloses a high-power variable-frequency power supply for the corrosion of an electron aluminum foil. The high-power variable-frequency power supply comprises a power supply input terminal, the power supply input terminal is connected with a rectification filtering module, the power supply obtains smooth direct current voltage via rectification filtering, the rectification filtering module is connected with an inversion circuit, the inversion circuit is connected with a PWM control module, the smooth direct current voltage forms inversion square waves changing according to a fundamental wave energy rule via a single-phase inversion circuit and the PWM control module, the inversion square waves obtain waveforms similar to fundamental waves via an alternating current reactor connected with the inversion circuit, an alternating current power supply required by the process is obtained via voltage reduction of a transformer connected with the alternating current reactor, and the alternating current power supply is outputted via a power supply output terminal. The high-power variable-frequency power supply is advantageous in that the frequency of the outputted waveforms is adjustable, the output (waveform editing function) of various random waveforms can be realized, and the requirement of the low-voltage corrosion process of the electron aluminum foil is met.
Description
Technical field
The present invention relates to a kind of electronic aluminum foil corrosion high power frequency conversion power supply.
Background technology
Conditional electronic aluminium foil low pressure corrosion technology is to power up aluminium foil surface is carried out to electrochemical corrosion with the power frequency supply of 50Hz, though go through the technique adjustment of many decades, product specification is not still broken through. In trial variable-frequency power sources, electric aluminum foil is carried out after electrochemical corrosion research and development, product specification is promoted rapidly, and part specification product meets or exceeds Japanese like product level.
Summary of the invention
The object of the invention is to make a kind of electric power conversion apparatus, not only the frequency of output waveform is adjustable, change the change of frequency that base wave frequency realizes output waveform, and can realize the output (waveform compilation function) of various random waveforms, to meet the needs of electric aluminum foil low pressure etching process.
Object of the present invention is achieved through the following technical solutions: a kind of electronic aluminum foil corrosion high power frequency conversion power supply, comprise power input, power input is connected with rectification filtering module, power supply obtains level and smooth DC voltage by rectifying and wave-filtering, rectification filtering module is connected with inverter circuit, inverter circuit is connected with PWM control module, level and smooth DC voltage forms and presses the Inverter Square Wave that first-harmonic energy regularity changes through single-phase inversion circuit and through PWM control module, Inverter Square Wave obtains the waveform similar to first-harmonic through the AC reactor filtering being connected with inverter circuit, obtain the required AC power of technique through the transformer pressure-reducing being connected with AC reactor again, AC power is exported by power output end.
Preferably, first-harmonic produces by fundamental wave generator, the first-harmonic input PWM control module producing, the preset three kinds of conventional waveforms of fundamental wave generator i.e. sine wave, square wave and triangular wave, when use, select needed waveform by address switch, required other waveform of technique can be realized waveform compilation by software kit and then be stored in first-harmonic unit and select corresponding first-harmonic can realize the output of random wave again, and fundamental signal source also can be used external signal generator to produce.
Preferably, the switching device that PWM control module drives is IGBT.
Preferably, PWM control module is based on first-harmonic, carrier wave and the modulation of output feedback module, when being constant current output, gets output feedback module output current wave feedback, when constant voltage output, get output voltage waveforms feedback, when power supply is constant current output, waveform feedback module is got output current wave feedback, gets output voltage waveforms feedback when constant voltage output.
Preferably, output feedback module is constant current output, and output feedback module is output current wave feedback.
In sum, the present invention has the following advantages: the frequency of output waveform is adjustable, and can realize the output (waveform compilation function) of various random waveforms, to meet the needs of electric aluminum foil low pressure etching process.
Brief description of the drawings
Fig. 1 is module connection layout of the present invention;
Fig. 2 is the schematic diagram of the embodiment of the present invention 1;
Fig. 3 is the oscillogram (taking first-harmonic as example as sine wave) of the embodiment of the present invention 1.
Detailed description of the invention
In order to deepen the understanding of the present invention, below in conjunction with embodiment and accompanying drawing, the invention will be further described, and this embodiment only, for explaining the present invention, does not form limiting the scope of the present invention.
A kind of electronic aluminum foil corrosion high power frequency conversion power supply as shown in Figure 1, comprise power input, power input is connected with rectification filtering module, power supply obtains level and smooth DC voltage by rectifying and wave-filtering, rectification filtering module is connected with inverter circuit, inverter circuit is connected with PWM control module, level and smooth DC voltage forms through single-phase inversion circuit and through PWM control module the Inverter Square Wave (being equivalent to modulation) changing by first-harmonic energy regularity, and the switching device of the inverter circuit of PWM control module is IGBT. Inverter Square Wave obtains the waveform similar to first-harmonic (being equivalent to demodulation) through the AC reactor filtering being connected with inverter circuit, obtain the required AC power of technique through the transformer pressure-reducing being connected with AC reactor again, AC power is exported by power output end.
First-harmonic produces by fundamental wave generator, the first-harmonic input PWM control module producing, the preset three kinds of conventional waveforms of described fundamental wave generator i.e. sine wave, square wave and triangular wave, when use, select needed waveform by address switch, required other waveform of technique can be realized waveform compilation by software kit and then be stored in fundamental wave generator and select corresponding first-harmonic can realize the output of random wave again, and fundamental signal source also can be used external signal generator to produce.
PWM control module is based on first-harmonic, carrier wave and the modulation of output feedback module, and output feedback module is constant current output (output is fed back to output current wave sampling).
Embodiment 1: take first-harmonic as example as sine wave, analyze SPWM generation mechanism: as shown in Figure 2,3,
The same fundamental signal of current feedback signal (CURRENT.F.B) (WAVESIGNAL) through error amplifier obtain two grouping error signal+E and-E, again same error signal carrier signal (Vc) is compared, the arrive driving signal (GATEU, GATEV, GATEX, GATEY) of 4 groups of IGBT, in the time of the IGBT of the same circuit conducting simultaneously, inverter just obtains the SPWM output changing by sinusoidal wave rule.
Claims (5)
1. an electronic aluminum foil corrosion high power frequency conversion power supply, it is characterized in that: comprise power input, described power input is connected with rectification filtering module, power supply obtains level and smooth DC voltage by rectifying and wave-filtering, described rectification filtering module is connected with inverter circuit, described inverter circuit is connected with PWM control module, level and smooth DC voltage forms and presses the Inverter Square Wave that first-harmonic energy regularity changes through single-phase inversion circuit and through PWM control module, Inverter Square Wave obtains the waveform similar to first-harmonic through the AC reactor filtering being connected with inverter circuit, obtain the required AC power of technique through the transformer pressure-reducing being connected with AC reactor again, AC power is exported by power output end.
2. a kind of electronic aluminum foil corrosion high power frequency conversion power supply according to claim 1, it is characterized in that: described first-harmonic produces by fundamental wave generator, the first-harmonic input PWM control module producing, the preset three kinds of conventional waveforms of described fundamental wave generator are sinusoidal wave, square wave and triangular wave, when use, select needed waveform by address switch, required other waveform of technique can be realized waveform compilation by software kit and then be stored in first-harmonic unit and select corresponding first-harmonic can realize the output of random wave again, fundamental signal source also can be used external signal generator to produce.
3. a kind of electronic aluminum foil corrosion high power frequency conversion power supply according to claim 1, is characterized in that: the switching device that described PWM control module drives is IGBT.
4. a kind of electronic aluminum foil corrosion high power frequency conversion power supply according to claim 1, it is characterized in that: described PWM control module is based on first-harmonic, carrier wave and the modulation of output feedback module, when power supply is constant current output, waveform feedback module is got output current wave feedback, gets output voltage waveforms feedback when constant voltage output.
5. a kind of electronic aluminum foil corrosion high power frequency conversion power supply according to claim 4, is characterized in that: described output feedback module is constant current output, and output feedback module is output current wave feedback.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610030027.4A CN105591550A (en) | 2016-01-18 | 2016-01-18 | High-power variable-frequency power supply for corrosion of electron aluminum foil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610030027.4A CN105591550A (en) | 2016-01-18 | 2016-01-18 | High-power variable-frequency power supply for corrosion of electron aluminum foil |
Publications (1)
| Publication Number | Publication Date |
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| CN105591550A true CN105591550A (en) | 2016-05-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610030027.4A Pending CN105591550A (en) | 2016-01-18 | 2016-01-18 | High-power variable-frequency power supply for corrosion of electron aluminum foil |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107979341A (en) * | 2017-11-10 | 2018-05-01 | 浙江众合科技股份有限公司 | A kind of sine wave signal generating means based on inversion transformation technique |
| CN109687424A (en) * | 2017-10-19 | 2019-04-26 | 江苏扬航光电科技有限公司 | A kind of variable-frequency power supply unit |
Citations (5)
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| CN101017383A (en) * | 2006-11-01 | 2007-08-15 | 王文华 | High speed arbitrary waveform generator based on FPGA |
| CN101282091A (en) * | 2008-06-03 | 2008-10-08 | 肇庆华锋电子铝箔股份有限公司 | Power supply for erosion of electric aluminum foil |
| JP2010124677A (en) * | 2008-10-21 | 2010-06-03 | Ricoh Co Ltd | High-voltage ac power supply apparatus for image forming apparatus, image forming apparatus, and color-image forming apparatus |
| CN203722488U (en) * | 2014-01-23 | 2014-07-16 | 湖北科技学院 | Large-power digital control direct current power supply |
| CN105226987A (en) * | 2015-10-21 | 2016-01-06 | 许昌学院 | A kind of inverter control method |
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2016
- 2016-01-18 CN CN201610030027.4A patent/CN105591550A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101017383A (en) * | 2006-11-01 | 2007-08-15 | 王文华 | High speed arbitrary waveform generator based on FPGA |
| CN101282091A (en) * | 2008-06-03 | 2008-10-08 | 肇庆华锋电子铝箔股份有限公司 | Power supply for erosion of electric aluminum foil |
| JP2010124677A (en) * | 2008-10-21 | 2010-06-03 | Ricoh Co Ltd | High-voltage ac power supply apparatus for image forming apparatus, image forming apparatus, and color-image forming apparatus |
| CN203722488U (en) * | 2014-01-23 | 2014-07-16 | 湖北科技学院 | Large-power digital control direct current power supply |
| CN105226987A (en) * | 2015-10-21 | 2016-01-06 | 许昌学院 | A kind of inverter control method |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109687424A (en) * | 2017-10-19 | 2019-04-26 | 江苏扬航光电科技有限公司 | A kind of variable-frequency power supply unit |
| CN107979341A (en) * | 2017-11-10 | 2018-05-01 | 浙江众合科技股份有限公司 | A kind of sine wave signal generating means based on inversion transformation technique |
| CN107979341B (en) * | 2017-11-10 | 2021-06-15 | 浙江众合科技股份有限公司 | Sine wave signal generating device based on inversion technology |
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Application publication date: 20160518 |