CN102386800B - Low-voltage heavy-current high-power pulse power supply - Google Patents
Low-voltage heavy-current high-power pulse power supply Download PDFInfo
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- CN102386800B CN102386800B CN201110407506.0A CN201110407506A CN102386800B CN 102386800 B CN102386800 B CN 102386800B CN 201110407506 A CN201110407506 A CN 201110407506A CN 102386800 B CN102386800 B CN 102386800B
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- 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
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- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/10—Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes
Abstract
The invention relates to a low-voltage heavy-current high-power pulse power supply, comprising a direct current power supply device, an inverter, a pulse control device and a high-frequency transformer device, a high frequency signal generator and a pulse width control module, wherein the output terminal of the pulse control device is connected with the control terminal of the inverter; the high frequency signal generator produces two high-frequency pulse signals with the frequency of more than 10kHz and duty cycle of 48%-50%; and the pulse width control module is used for controlling whether the high-frequency signal generator outputs or not. The invention provides a solution of a high-efficiency low-voltage heavy-current high-power pulse power supply aiming at the technical problem that power consumption of the low-voltage heavy-current high-power pulse power supply is high, and the low-voltage heavy-current high-power pulse power supply has the advantages of adjustable frequency, adjustable amplitude, wide current range and energy conservation and the like.
Description
Technical field
The present invention relates to the pulse power, specifically a kind of low-voltage heavy-current high-power pulse.
Background technology
Low-voltage and high-current great power pulse power source (low-voltage: voltage to earth is between 0-36V; Large electric current: current strength is more than 100A; High-power: power output is more than 1000W.) be widely used in automation control, military industry equipment, research equipment, industrial control equipment, communication apparatus, power equipment, instrument and meter, Medical Devices, semiconductor refrigerating and the field such as heat, and in industrial production, there is good application prospect.At present, the great power pulse power source that prior art is manufactured, as a kind of high frequency switch power that is applied to electroplating process of Chinese patent literature CN101667780A proposition, shown in Figure 1, comprise DC bus-bar voltage rectifier, Buck amplitude regulator, two-phase bridge-type inverter, high frequency transformer and hf rectifier, wherein, the DC bus-bar voltage of described DC bus-bar voltage rectifier output is transported to described two-phase bridge-type inverter after described Buck amplitude regulator adjusting amplitude, after regulating duty ratio, described two-phase bridge-type inverter is transported to described high frequency transformer again, then deliver to described hf rectifier, last by described hf rectifier output amplitude and the adjustable high frequency switch power signal of duty ratio.Technical scheme in above-mentioned patent documentation provides a kind of high frequency switch power that can regulate voltage magnitude and duty ratio.Described high frequency switch power output high frequency switch power, cannot export medium and low frequency Switching Power Supply, and for this problem of low and medium frequency Switching Power Supply providing below 10kHz is provided, prior art is after described hf rectifier, to connect a strile pulse switch device.
This technical scheme can be brought two technical problems, a problem is that the strile pulse switch device reality of manufacture current strength more than 100A is infeasible, because easily generate a large amount of heats when system operation, in manufacture craft, strile pulse switch device will be placed on the inside of circuit board, strile pulse switch device is done to conference causes the heat of strile pulse switch device generation excessive, can not shed in time, and then cause strile pulse switch device to be burnt damage.
Another problem is that the utilance of low pressure high frequency pulsed power supply of output is not high because above-mentioned patent documentation be strile pulse switch device is connected on to hf rectifier after, in the situation that power supply is output as high voltage-small current, the loss of strile pulse switch device can be ignored; If but the output current of power supply is excessive, the loss that the resistance of switching device own brings just be can not ignore.For example, the output voltage of the pulse power is 10V, and output current is 100A, and now the voltage of switching device is about 1V conventionally, and the energy consumption of switching device itself is 100W, accounts for 10% of power 1000W, and the most effective of power supply is 90%; At this moment, also in the time of the large electric current of pulse power output LOW voltage, just can not ignore the power of switching device loss.The disclosed a kind of high-frequency high-power pulse dc of Chinese patent literature CN 2896685Y, shown in Figure 2, the electric current that the output of inductor filter circuit is connected in parallel with many divides circuits to be connected, every electric current divides circuits to be made up of capacitor filter, equalizing circuit, switching circuit, the output of capacitor filter is connected with the input of switching circuit through equalizing circuit, and the output of switching circuit is connected with output bus.This kind of method realized low-voltage heavy-current high-power pulse, but this kind of method is connected in parallel multiple strile pulse switch devices, because strile pulse switch device self character causes the retardance of its conducting, always have the first conducting of a strile pulse switch device, strile pulse switch device below does not also have conducting, cause the electric current of that strile pulse switch device that flows through first conducting too large, this strile pulse switch device very easily damages, and other strile pulse switch device no currents pass through, and the problem of power loss does not still solve.
Summary of the invention
To be solved by this invention is the technical problem that low-voltage heavy-current high-power pulse power loss is large, and a kind of high efficiency low-voltage heavy-current high-power pulse is provided.
For solving the problems of the technologies described above, the technical solution used in the present invention is as follows:
A kind of low-voltage heavy-current high-power pulse, comprising: continuous-current plant, for exporting the direct current that presets amplitude; Inverter, input is connected with described continuous-current plant output, when described inverter conducting, described direct current is carried out to inversion processing, output high-frequency pulse voltage; Described inverter cut-off, not output; Pulse control unit, output is connected with described inverter control end, comprise produce two-way frequency more than 10kHz, duty ratio is the high frequency signal generator of 48%-50% high-frequency pulse signal and controls described high frequency signal generator and whether have the pulse width control module of output; When inverter conducting described in described pulse width control module is during in the pulsewidth time; When described pulse width control module between arteries and veins when the time described in inverter cut-off; High frequency transformer device, input is connected with described inverter output, and described high-frequency pulse voltage is carried out to transformation and rectification processing, output forward action of low-voltage pulse voltage.
Described high frequency signal generator and described pulse width control module have two kinds of connected modes, a kind of connected mode is that the output of described pulse width control module is connected with described inverter control end, one of described pulse width control module is input as the time between the pulsewidth time of setting and the arteries and veins of setting, and another input connects the output of described high frequency signal generator; Described high frequency signal generator output high-frequency pulse signal, when described pulse width control module is between arteries and veins when the time, described high frequency signal generator and described inverter are blocked by described pulse width control module, and described high-frequency pulse signal can not flow into described inverter; When described pulse width control module is during in the pulsewidth time, described high frequency signal generator and described inverter are connected, and described high-frequency pulse signal flows into described inverter by described pulse width control module.The control end that another kind of connected mode is described high frequency signal generator is connected with the output of described pulse width control module, and the output of described high frequency signal generator is connected with described inverter control end; Time between the pulsewidth time that is input as setting of described pulse width control module and the arteries and veins of setting, described pulse width control module is output as triggering signal; When described pulse width control module is during in the pulsewidth time, described triggering signal is high level, triggers described high frequency signal generator in running order, exports described high-frequency pulse signal; When described pulse width control module is between arteries and veins when the time, described triggering signal is low level, and described high frequency signal generator is in off position, not output.
Described inverter comprises inverter circuit module, described inverter circuit module input is connected with described continuous-current plant, described inverter circuit module output is connected with described high frequency transformer device, described inverter circuit module controls end is connected with described pulse control unit by inverse changing driving circuit module, and the direct current of described continuous-current plant output is carried out to inversion processing; Inverse changing driving circuit module, amplifies the high-frequency pulse signal of described pulse control unit output, and the high-frequency pulse signal after amplifying is exported to inverter circuit module.
Described high frequency transformer device comprises high frequency transformer module, is connected with described inverter, and for described high-frequency pulse voltage is carried out to transformation processing, output positive-negative polarity low pressure high frequency pulsed voltage; Secondary commutation circuit module, with secondary connection of high frequency transformer of described high frequency transformer module, carries out rectification processing to described positive-negative polarity low pressure high frequency pulsed voltage, output forward action of low-voltage pulse voltage.
Described continuous-current plant comprises rectification module, has the direct current of pulsation for input AC electricity is transformed to voltage; Filtration module, input is connected with the output of described rectification module, and described direct current is carried out to filtering processing, the direct current that output amplitude is level and smooth; DC/DC conversion module, input is connected with the output of described filtration module, comprises amplitude setting unit, and the direct current level and smooth to described amplitude carries out amplitude modulation processing, exports described amplitude setting unit and preset the direct current of amplitude.
Described DC/DC conversion module is chopped mode.
Described continuous-current plant be input as 380V alternating current.
Described filtration module is exported galvanic voltage magnitude between 500-600V; The amplitude setting unit settings of described DC/DC conversion module are between 0-500V.
The voltage of described low-voltage heavy-current high-power pulse is between 0-36V, and electric current is more than 100A, and power is more than 1000W.
Technique scheme of the present invention has the following advantages compared to existing technology:
The present invention is connected strile pulse switch device with inverter, before being connected on high frequency transformer device, the electric current that described strile pulse switch device passes through is little, and this little electric current, within the scope of the rated current of described strile pulse switch device, has ensured that described strile pulse switch device can normally use, by the strile pulse switch device being arranged in prior art after described high frequency transformer device is arranged on before described high frequency transformer device, the electric current that makes to flow through described strile pulse switch device is the little electric current before transformation, avoid the large current affects of exporting after transformation, thereby provide a kind of low-voltage heavy-current high-power pulse, and, the present invention can significantly reduce the power consumption of described strile pulse switch device, for example, suppose in the present invention that it is 500V that DC/DC conversion module is exported galvanic voltage, low-voltage heavy-current high-power pulse is output as 10V/100A power supply, the voltage of strile pulse switch device is 1V, so, the electric current of strile pulse switch device is 10V*100A/500V=2A, the power of described strile pulse switch device is 1V*2A=2W, described strile pulse switch device wasted power is 0.2%, the efficiency of whole low-voltage heavy-current high-power pulse is 99.8%, the present invention is by cancelling described high frequency transformer device strile pulse switch device afterwards, before described high frequency transformer device, increase the strile pulse switch device being connected with inverter, a kind of simple low-voltage heavy-current high-power pulse is not only provided, and strile pulse switch device wasted power is reduced greatly, a kind of high efficiency low-voltage heavy-current high-power pulse is provided, it is the high-frequency pulse signal of 48%-50% that high frequency signal generator of the present invention is used for output duty cycle, make the inter-train pause of high frequency transformer device output as far as possible little until gapless, the low-voltage heavy-current high-power pulse voltage top of final output is level and smooth, need not add filter circuit and carry out filtering processing, and have more steep edge, pulse front and back.
Brief description of the drawings
For content of the present invention is more likely to be clearly understood, below according to a particular embodiment of the invention and by reference to the accompanying drawings, the present invention is further detailed explanation, wherein
Fig. 1 is the principle topological diagram of a kind of great power pulse power source embodiment of Chinese patent literature CN101667780A proposition;
Fig. 2 is the structural representation of a kind of highpowerpulse DC power supply embodiment of Chinese patent literature CN 2896685Y proposition;
Fig. 3 is the structural representation of a kind of low-voltage heavy-current high-power pulse embodiment of the present invention;
In figure, Reference numeral is expressed as: 31-continuous-current plant; 32-inverter; 33-high frequency transformer device; 34-pulse control unit.
Embodiment
Shown in Figure 3, the low-voltage heavy-current high-power pulse of one embodiment of the invention, taking Chinese AC mains source 380V as example describes, comprising: continuous-current plant 31, for exporting the direct current that presets amplitude; Described continuous-current plant 31 comprises rectification module, has the direct current of pulsation for the 380V alternating current of input is transformed to voltage; Filtration module, input is connected with the output of described rectification module, and described direct current is carried out to filtering processing, and output amplitude is the smooth direct current electricity between 500-600V; DC/DC conversion module, for BUCK chopped mode, it is buck chopper device, described DC/DC conversion module input is connected with the output of described filtration module, comprise amplitude setting unit, the direct current level and smooth to described amplitude carries out amplitude modulation processing, exports described amplitude setting unit and preset the direct current of amplitude, and described predefined amplitude is between 0-500V.
Inverter 32, input is connected with described continuous-current plant 31 outputs, when described inverter conducting, described direct current is carried out to inversion processing, output high-frequency pulse voltage; When described inverter cut-off, not output; Described inverter 32 comprises inverter circuit module, described inverter circuit module input is connected with described continuous-current plant, described inverter circuit module output is connected with described high frequency transformer device 33, described inverter circuit module controls end is connected with described pulse control unit 34 by inverse changing driving circuit module, and the direct current of described continuous-current plant output is carried out to inversion processing; Inverse changing driving circuit module, the high-frequency pulse signal that described pulse control unit 34 is exported amplifies, and the high-frequency pulse signal after amplifying is exported to described inverter circuit module.
Pulse control unit 34, output is connected with described inverter 32 control ends, comprise produce two-way frequency more than 10kHz, duty ratio is the high frequency signal generator of 50% high-frequency pulse signal and controls described high frequency signal generator and whether have the pulse width control module of output, when inverter conducting described in described pulse width control module is during in the pulsewidth time; When described pulse width control module between arteries and veins when the time described in inverter cut-off; The output of described pulse width control module is connected with described inverter 32 control ends, and one of described pulse width control module is input as the time between the pulsewidth time of setting and the arteries and veins of setting, and another input connects the output of described high frequency signal generator; Described high frequency signal generator output high-frequency pulse signal, when described pulse width control module is between arteries and veins when the time, described high frequency signal generator and described inverter 32 are blocked by described pulse width control module, and described high-frequency pulse signal can not flow into described inverter 32; When described pulse width control module is during in the pulsewidth time, described high frequency signal generator and described inverter 32 are connected, and described high-frequency pulse signal flows into described inverter 32 by described pulse width control module.
High frequency transformer device 33, input is connected with described inverter 32 outputs, and described high-frequency pulse voltage is carried out to transformation and rectification processing, output forward action of low-voltage pulse voltage; Described high frequency transformer device 33 comprises high frequency transformer module, is connected with described inverter 32, and for described high-frequency pulse voltage is carried out to transformation processing, output positive-negative polarity low pressure high frequency pulsed voltage; Secondary commutation circuit module, with secondary connection of high frequency transformer of described high frequency transformer module, carries out rectification processing to described positive-negative polarity low pressure high frequency pulsed voltage, output forward action of low-voltage pulse power supply; The voltage of described low-voltage heavy-current high-power pulse is between 0-36V, and electric current is more than 100A, and power is more than 1000W.
The low-voltage heavy-current high-power pulse course of work of the present invention is specifically discussed below:
Described 380V alternating current is by described continuous-current plant 31 rectification modules and filtration module processing, the direct current of output amplitude between 500-600V, then pass through the voltage AM processing of described continuous-current plant 31, output amplitude is set in advance in the direct current between 0-500V; Described strile pulse switch device 34 comprise produce two-way frequency more than 10kHz, duty ratio is the high frequency signal generator of 50% high-frequency pulse signal and controls described high frequency signal generator and whether have the pulse width control module of output.Described high frequency signal generator output high-frequency pulse signal, when described pulse width control module is between arteries and veins when the time, described high frequency signal generator and described inverter 32 are blocked by described pulse width control module, and described high-frequency pulse signal can not flow into described inverter 32; When described pulse width control module is during in the pulsewidth time, described high frequency signal generator and described inverter 32 are connected, described high-frequency pulse signal flows into described inverter 32 by described pulse width control module, described inverter 32 conductings, in running order, the inverse changing driving circuit module of described inverter 32 is amplified described high-frequency pulse signal, high-frequency pulse signal after amplifying is exported to described inverter circuit module, described inverter circuit module is carried out inversion processing to the direct current of described continuous-current plant output, output high-frequency pulse voltage; Described high frequency transformer device 33 carries out transformation and rectification processing to described high-frequency pulse voltage, output forward action of low-voltage pulse voltage.
The present invention is connected strile pulse switch device with inverter, before being connected on high frequency transformer device, the electric current that described strile pulse switch device passes through is little, and this little electric current, within the scope of the rated current of described strile pulse switch device, has ensured that described strile pulse switch device can normally use, by the strile pulse switch device being arranged in prior art after described high frequency transformer device is arranged on before described high frequency transformer device, the electric current that makes to flow through described strile pulse switch device is the little electric current before transformation, avoid the large current affects of exporting after transformation, thereby provide a kind of low-voltage heavy-current high-power pulse, and, the present invention can significantly reduce the power consumption of described strile pulse switch device, for example, suppose in the present invention that it is 500V that DC/DC conversion module is exported galvanic voltage, low-voltage heavy-current high-power pulse is output as 10V/100A power supply, the voltage of strile pulse switch device is 1V, so, the electric current of strile pulse switch device is 10V*100A/500V=2A, the power of described strile pulse switch device is 1V*2A=2W, described strile pulse switch device wasted power is 0.2%, the efficiency of whole low-voltage heavy-current high-power pulse is 99.8%, the present invention is by cancelling described high frequency transformer device strile pulse switch device afterwards, before described high frequency transformer device, increase the strile pulse switch device being connected with inverter, a kind of simple low-voltage heavy-current high-power pulse is not only provided, and strile pulse switch device wasted power is reduced greatly, a kind of high efficiency low-voltage heavy-current high-power pulse is provided, the voltage duty cycle that high frequency signal generator of the present invention is used for fixing high-frequency alternating electric current is 50%, make the pulse gapless of output, the low-voltage heavy-current high-power pulse voltage top of final output is level and smooth, need not add filter circuit and carry out filtering processing, and have steep edge, pulse front and back.
The present invention is directed to the technical problem that low-voltage heavy-current high-power pulse power loss is large, proposed a kind of solution of high efficiency low-voltage heavy-current high-power pulse, there is the advantages such as Frequency Adjustable, amplitude modulation, current range be wide, energy-conservation.
As a distortion of above-described embodiment, described pulse control unit 34 comprises successively connected pulse width control module and high frequency signal generator, the control end of described high frequency signal generator is connected with the output of described pulse width control module, and the output of described high frequency signal generator is connected with the control end of described inverter 32; Time between the pulsewidth time that is input as setting of described pulse width control module and the arteries and veins of setting, described pulse width control module is output as triggering signal; When described pulse width control module is during in the pulsewidth time, described triggering signal is high level, triggers described high frequency signal generator in running order, exports described high-frequency pulse signal; When described pulse width control module is between arteries and veins when the time, described triggering signal is low level, and described high frequency signal generator is in off position, not output; The inverse changing driving circuit module of described inverter 32 is amplified described high-frequency pulse signal, high-frequency pulse signal after amplifying is exported to described inverter circuit module, the direct current that described inverter circuit module is exported described continuous-current plant 31 carries out inversion processing, output high-frequency pulse voltage.
As other embodiments of the invention, the described high-frequency pulse signal duty ratio that described high frequency signal generator produces can be any number between 48%-50%; In theory, 50% duty ratio is the most desirable, can make the pulse gapless of output; But consider the individual difference of for example CM600HA-24E of inverter circuit module, its turn-off time of different components may be different, in the time turn-offing, have delay, can cause like this direct-current short circuit, device to burn out, for security consideration, can reserve 2% safe space, although may cause the pulse of high frequency transformer device output gapped, in the time of turn-off delay, described inter-train pause can provide buffer time, can not burn out device, improve the coefficient of safety using, strengthen practicality.
The numerical value of AC mains source voltage may be different between country variant or area, and above-described embodiment is only set forth explanation as an example of Chinese AC mains example.Those skilled in the art are by selecting corresponding filtration module and DC/DC conversion module, make technical scheme of the present invention be equally applicable to the AC mains source voltage of 220V or the AC mains source voltage of other numerical value of other countries.Still belong to protection scope of the present invention.
Obviously, above-described embodiment is only for example is clearly described, and the not restriction to execution mode.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here without also giving exhaustive to all execution modes.And the apparent variation of being extended out thus or variation are still among protection scope of the present invention.
Claims (9)
1. a low-voltage heavy-current high-power pulse, is characterized in that, comprising:
Continuous-current plant, for exporting the direct current that presets amplitude;
Inverter, input is connected with described continuous-current plant output, when described inverter conducting, described direct current is carried out to inversion processing, output high-frequency pulse voltage; When described inverter cut-off, not output;
Pulse control unit, output is connected with described inverter control end, comprise produce two-way frequency more than 10kHz, duty ratio is the high frequency signal generator of 48%-50% high-frequency pulse signal and controls described high frequency signal generator and whether have the pulse width control module of output, when inverter conducting described in described pulse width control module is during in the pulsewidth time; When described pulse width control module between arteries and veins when the time described in inverter cut-off;
High frequency transformer device, input is connected with described inverter output, and described high-frequency pulse voltage is carried out to transformation and rectification processing, output forward action of low-voltage pulse voltage;
The output of described pulse width control module is connected with described inverter control end, and one of described pulse width control module is input as the time between the pulsewidth time of setting and the arteries and veins of setting, and another input connects the output of described high frequency signal generator;
Described high frequency signal generator output high-frequency pulse signal, when described pulse width control module is between arteries and veins when the time, described high frequency signal generator and described inverter are blocked by described pulse width control module, and described high-frequency pulse signal can not flow into described inverter; When described pulse width control module is during in the pulsewidth time, described high frequency signal generator and described inverter are connected, and described high-frequency pulse signal flows into described inverter by described pulse width control module.
2. a low-voltage heavy-current high-power pulse, is characterized in that, comprising:
Continuous-current plant, for exporting the direct current that presets amplitude;
Inverter, input is connected with described continuous-current plant output, when described inverter conducting, described direct current is carried out to inversion processing, output high-frequency pulse voltage; When described inverter cut-off, not output;
Pulse control unit, output is connected with described inverter control end, comprise produce two-way frequency more than 10kHz, duty ratio is the high frequency signal generator of 48%-50% high-frequency pulse signal and controls described high frequency signal generator and whether have the pulse width control module of output, when inverter conducting described in described pulse width control module is during in the pulsewidth time; When described pulse width control module between arteries and veins when the time described in inverter cut-off;
High frequency transformer device, input is connected with described inverter output, and described high-frequency pulse voltage is carried out to transformation and rectification processing, output forward action of low-voltage pulse voltage;
The control end of described high frequency signal generator is connected with the output of described pulse width control module, and the output of described high frequency signal generator is connected with described inverter control end; Time between the pulsewidth time that is input as setting of described pulse width control module and the arteries and veins of setting, described pulse width control module is output as triggering signal;
When described pulse width control module is during in the pulsewidth time, described triggering signal is high level, triggers described high frequency signal generator in running order, exports described high-frequency pulse signal; When described pulse width control module is between arteries and veins when the time, described triggering signal is low level, and described high frequency signal generator is in off position, not output.
3. according to low-voltage heavy-current high-power pulse described in claim 1 or 2, it is characterized in that, described inverter comprises inverter circuit module, described inverter circuit module input is connected with described continuous-current plant, described inverter circuit module output is connected with described high frequency transformer device, described inverter circuit module controls end is connected with described pulse control unit by inverse changing driving circuit module, and the direct current of described continuous-current plant output is carried out to inversion processing;
Inverse changing driving circuit module, amplifies the high-frequency pulse signal of described pulse control unit output, and the high-frequency pulse signal after amplifying is exported to described inverter circuit module.
4. low-voltage heavy-current high-power pulse according to claim 3, it is characterized in that, described high frequency transformer device comprises high frequency transformer module, is connected with described inverter, for described high-frequency pulse voltage is carried out to transformation processing, output positive-negative polarity low pressure high frequency pulsed voltage;
Secondary commutation circuit module, with secondary connection of high frequency transformer of described high frequency transformer module, carries out rectification processing to described positive-negative polarity low pressure high frequency pulsed voltage, output forward action of low-voltage pulse voltage.
5. low-voltage heavy-current high-power pulse according to claim 4, is characterized in that, described continuous-current plant comprises rectification module, has the direct current of pulsation for the alternating current of input is transformed to voltage;
Filtration module, input is connected with the output of described rectification module, and described direct current is carried out to filtering processing, the direct current that output amplitude is level and smooth;
DC/DC conversion module, input is connected with the output of described filtration module, comprises amplitude setting unit, and the direct current level and smooth to described amplitude carries out amplitude modulation processing, exports described amplitude setting unit and preset the direct current of amplitude.
6. low-voltage heavy-current high-power pulse according to claim 5, is characterized in that, described DC/DC conversion module is chopped mode.
7. low-voltage heavy-current high-power pulse according to claim 6, is characterized in that, described continuous-current plant be input as 380V alternating current.
8. low-voltage heavy-current high-power pulse according to claim 7, is characterized in that, described filtration module is exported galvanic voltage magnitude between 500-600V; The amplitude setting unit of described DC/DC conversion module is arranged between 0-500V.
9. low-voltage heavy-current high-power pulse according to claim 8, is characterized in that, the voltage of described low-voltage heavy-current high-power pulse is between 0-36V, and electric current is more than 100A, and power is more than 1000W.
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| CN103873029B (en) * | 2012-12-14 | 2018-09-25 | 北京普源精电科技有限公司 | A kind of power supply and its working method with triggering output function |
| CN103869122B (en) * | 2012-12-14 | 2018-04-24 | 北京普源精电科技有限公司 | A kind of power supply and its method of work with triggering input function |
| CN103281004B (en) * | 2013-06-05 | 2016-01-20 | 中山市昊源电器设备有限公司 | A kind of high power high-voltage pulse electric source circuit |
| CN105024583A (en) * | 2014-04-25 | 2015-11-04 | 常州大控电子科技有限公司 | Constant voltage output pulsed power supply with duty ratio adjustable range being 20%-80% |
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| CN102386800A (en) | 2012-03-21 |
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