CN208424234U - One type MARX high-voltage electrostatic power - Google Patents
One type MARX high-voltage electrostatic power Download PDFInfo
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- CN208424234U CN208424234U CN201820475427.0U CN201820475427U CN208424234U CN 208424234 U CN208424234 U CN 208424234U CN 201820475427 U CN201820475427 U CN 201820475427U CN 208424234 U CN208424234 U CN 208424234U
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Abstract
The utility model relates to a type MARX high-voltage electrostatic powers, it includes at least one capacitor charge and discharge unit and multiple circuit units, the circuit unit includes boost charge transformer, diode and charge and discharge capacitance and solid-state switch, charge and discharge capacitance is connected in series after diode and boost charge transformer secondary coil are connected in parallel with solid-state switch；It is connected in series between each circuit unit.The utility model circuit structure is simple, can by input waveform shaping, make output waveform amplitude improve, forward position it is precipitous, top drop it is small, be suitable for high-pressure electrostatic precipitation field special applications.
Description
Technical field
The utility model relates to modern power electronics technologies, particularly belong to high voltage pulse power field, in particular to a kind of
Class MARX high-voltage electrostatic power, it is suitable for the special applications in high-pressure electrostatic precipitation field.
Background technique
High-voltage electrostatic power be it is a kind of for coal-burning boiler, the dedusting decoking in the fields such as metallurgy sintered, coke-stove gas processing
Power supply, with the development of modern power electronic application technology and device fabrication techniques, MARX pulsed high voltage generator has started to apply
In fields such as medical treatment, environmental protection, military affairs.
Traditional high-pressure electrostatic pulse power uses single end inverter structure, frequency is controlled with electronic switch, by direct current
Inversion boosting works at pulsed high-voltage, electronic switch in low-pressure side, and there are low efficiencys, stability for this kind of high-voltage electrostatic power
Difference, rising edge ascending time are long, are not likely to produce the defects of burst pulse.
Utility model content
To solve the above-mentioned problems, the utility model people proposes a type MARX high pressure by repeatedly design and research
Electrostatic potential source, delivery efficiency is high, power is big, pulse width, and the class MARX high pressure that load flashover can be overcome to influence power supply is quiet
Power supply.
To achieve the goals above, the utility model uses following technical scheme: a type MARX high-voltage electrostatic power,
Including at least one capacitor charge and discharge unit, wherein each capacitor charge and discharge unit includes boost charge transformer, diode, fills
Discharge capacity, solid-state switch.Charge and discharge capacitance is connected in parallel through diode and boost charge transformer secondary coil, is opened with solid-state
It closes and is connected in series, be connected in series between each capacitor charge and discharge unit.
The capacitor charge and discharge unit that such MARX high-voltage electrostatic power may be selected, the capacitor charge and discharge unit phase from 2 to n
Mutually series connection.
Such MARX high-voltage electrostatic power, for adjacent first capacitor charge/discharge unit and the second capacitor charge and discharge list
Member, the solid-state switch in charge and discharge capacitance and the first capacitor charge/discharge unit in the second capacitor charge and discharge unit
Collector is connected.
Such further MARX high-voltage electrostatic power, in each capacitor charge and discharge unit, the anode of diode is filled with boosting
Secondary one end of piezoelectric transformer is connected, and the cathode of diode is connected with charge and discharge capacitance one end, boost charge transformer
The other end of grade is connected with the charge and discharge capacitance other end, and solid-state switch emitter is connect with charge and discharge capacitance and diode cathode
Point is connected.
Such MARX high-voltage electrostatic power, inputs as boost charge primary, and square wave failing edge starts as charge and discharge
Capacitor charging, rising edge terminate as charge and discharge capacitance charging.
Such further MARX high-voltage electrostatic power, wherein each coil of boost charge transformer is in same magnetic circuit.
The class MARX high-voltage electrostatic power, wherein the first moment of solid-state switch is in control off state, works as charge and discharge
After electric capacitor charging process, apply a switch-on signal, charge and discharge in each capacitor charge and discharge unit in solid-state switch grid
Capacitor starts to discharge.
The one type MARX high-voltage electrostatic power, wherein solid-state switch is insulated gate bipolar transistor IGBT.
It is small in size, light-weight, matched load is flexible in conclusion one type MARX high-voltage electrostatic power of the utility model,
The easy excitated generation high energy electron of steep rise forms snowslide, keeps particulate matter in flue gas sufficiently charged；No flashover operation can be safe
Efficient is flammable explosive gas purification；The circuit structure is succinct, can well adapt to a variety of semiconductor solid-state switches
Device is applied in the circuit.
Detailed description of the invention
Fig. 1 shows a capacitor charge and discharge unit figure according to the application；
Fig. 2 shows the class MRAX high-voltage electrostatic power structure charts according to the application.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describing, it is clear that described embodiment is only a part of the embodiment of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.In addition, should not be by the guarantor of the utility model
Shield range shall be limited only to following specific structures or component type.
The type MARX high-voltage electrostatic power of the application includes at least two capacitor charge and discharge circuit units, wherein each
Capacitor charge and discharge circuit unit includes boost charge transformer, diode, charge and discharge capacitance, solid-state switch；Charge and discharge capacitance warp
Diode is connected in parallel with boost charge transformer secondary coil, with solid-state switch be connected in series, each capacitor charge and discharge unit it
Between be connected in series.It is readily appreciated that, to make circuit work in different frequency range, solid-state switch may be selected to use MOS field
Effect pipe MOSFET and insulated gate bipolar transistor IGBT etc..
In a further embodiment, a type MARX high-voltage electrostatic power includes at least one capacitor charge and discharge unit,
Wherein each capacitor charge and discharge unit includes boost charge transformer, diode, charge and discharge capacitance, solid-state switch；Charge and discharge electricity
Appearance is connected in parallel through diode and boost charge transformer secondary coil, is connected in series with solid-state switch, each capacitor charge and discharge list
Member is connected in series.Further, class MARX high-voltage electrostatic power specifically includes series connection 2 or 2 capacitor charge and discharge lists described above
Member.Wherein, for adjacent first capacitor charge/discharge unit and the second capacitor charge and discharge unit, the second capacitor charge and discharge list
Charge and discharge capacitance in member is connected to the collector of solid-state switch pipe in the first capacitor charge/discharge unit.Each capacitor charge and discharge
The anode of diode is connected with secondary one end of boost charge transformer in unit, the cathode and charge and discharge capacitance one of diode
End is connected, and the other end of boost charge transformer secondary output is connected with the charge and discharge capacitance other end；Solid-state switch emitter with
Charge and discharge capacitance is connected with diode cathode tie point.In such MARX high-voltage electrostatic power, input as boost charge transformation
The primary end in1 and in2 of device, output out1 and out2 are connected with load；Further, each coil of boost charge transformer
In same magnetic circuit；First moment of solid-state switch is in control off state, after charge and discharge capacitance charging process, solid
State switch gate applies a switch-on signal, and charge and discharge capacitance starts to discharge in each capacitor charge and discharge unit, and output voltage is
Charge and discharge capacitance voltage superposition value in each capacitor charge and discharge unit.Preferably, solid-state switch is insulated gate bipolar transistor
IGBT。
As shown in Figure 1, further describing the connection relationship between each component of capacitor charge and discharge unit, diode D1 is just
Pole is connected with secondary one end T1 of boost charge transformer T, and the cathode of diode D1 is connected with the one end charge and discharge capacitance C1,
The other end of T grade T1 of boost charge transformer is connected with the charge and discharge capacitance C1 other end；Solid-state switch Q1 emitter with fill
Discharge capacity C1 is connected with diode D1 cathode tie point.Current signal flow direction are as follows: the secondary T1 of boost charge transformer T is produced
Raw induced current flows through the secondary that boost charge transformer T is returned to after charge and discharge capacitance C1 by diode D1 phase demodulation
T1 forms a complete charge circuit；After solid-state switch Q1 grid applies switch-on signal, charge and discharge capacitance C1 fills
Electric reverse direction forms electric current, this current loop is discharge loop.
Fig. 2 shows the specific implementation circuit diagrams according to the type MARX high-voltage electrostatic power of the application.Such as Fig. 2
Shown type MARX high-voltage electrostatic power structure chart includes 1,2, n capacitor charge and discharge unit in structure chart；1st capacitor
Each component connection relationship of charge/discharge unit are as follows: the anode of diode D1 is connected with secondary one end T1 of boost charge transformer T
Connect, the cathode of diode D1 is connected with the one end charge and discharge capacitance C1, the other end of T grade T1 of boost charge transformer with fill
The discharge capacity C1 other end is connected；Solid-state switch Q1 emitter is connected with charge and discharge capacitance C1 and diode D1 cathode tie point
It connects.2nd each component connection relationship of capacitor charge and discharge unit are as follows: the anode of diode D2 is with boost charge transformer T's
Secondary one end T2 is connected, and the cathode of diode D2 is connected with the one end charge and discharge capacitance C2, T grade T2 of boost charge transformer
The other end be connected with the charge and discharge capacitance C2 other end；Solid-state switch Q2 emitter and charge and discharge capacitance C2 and diode D2 are negative
Pole tie point is connected.Each component connection relationship of n-th of capacitor charge and discharge unit are as follows: the anode and boost charge of diode Dn
Secondary one end Tn of transformer T is connected, and the cathode of diode Dn is connected with the one end charge and discharge capacitance Cn, boost charge transformation
The other end of T grade Tn of device is connected with the charge and discharge capacitance Cn other end；Solid-state switch Qn emitter and charge and discharge capacitance Cn
It is connected with diode Dn cathode tie point.Such MARX high-voltage electrostatic power structure can from 2 to n capacitor charge and discharge unit
It connects.The boosting of collector and the 2nd capacitor charge and discharge unit that point is the 1st capacitor charge and discharge unit Q1 is connected in series
T grade T2 other end of charging transformer is connected with charge and discharge capacitance C2 other end tie point, i.e. 1 in circuit diagram point, according to this
2 points of series connections being extrapolated in circuit diagram, until the n point being connected serially in circuit diagram, but should at least have two capacitor charge and discharges
Unit forms class MARX high-voltage electrostatic power.
Type MARX high-voltage electrostatic power as shown in Figure 2, including diode D1-Dn, charge and discharge capacitance C1-Cn, solid-state
Switch Q1-Qn, boost charge transformer secondary coil T1-Tn use identical quantity and parameter in circuit and an a pair are just.
In class MARX high-voltage electrostatic power shown in Fig. 2, two end of primary coil for boost charge transformer is inputted,
That is 2 points of in1, in2, energy are negative sense square wave current source, and square wave failing edge starts as charge and discharge capacitance C1-Cn charging, rising edge
Terminate to be that charge and discharge capacitance charges, energy output is out1, out2.In addition, a type MARX high-voltage electrostatic power shown in Fig. 2,
Wherein for each coil of boost charge transformer in same magnetic circuit, n capacitor charge and discharge unit distributes n secondary coil, and n secondary
Coil synchronization obtains equal energy, and energy derives from bis- end primary coil in1, in2.In class MARX high-voltage electrostatic power,
First moment of solid-state switch Q1-Qn is all in control off state, i.e., no application grid signal, as charge and discharge capacitance C1-Cn
After charging process, solid-state switch Q1-Qn grid applies switch-on signal, charge and discharge capacitance in each capacitor charge and discharge unit
C1-Cn discharges simultaneously, and C1-Cn charging and discharging process is asynchronously, to change output voltage and only need to change capacitor charge and discharge unit
Quantity, the voltage between out1, out2 are the sum of UC1+UC2+ ...+UCn；To reach the charging series connection of MARX circuit in parallel
Electric discharge purpose.
In summary be the specific embodiment of a type MARX high-voltage electrostatic power, the power volume is small, it is light-weight,
Flexibly with load, the easy excitated generation high energy electron of steep rise forms snowslide, keeps particulate matter in flue gas sufficiently charged；No flashover fortune
Row can safe and efficient rate be flammable explosive gas purification；The circuit structure is succinct, can well adapt to a variety of partly lead
Body solid switch device is applied in the circuit；It has reached energy saving in practical application, improves the purpose of efficiency of dust collection, have
Good social and economic benefit.
Such MARX high-voltage electrostatic power is sufficiently shown opposite in the application of smoke processing system wet cottrell
Conventional high-tension electrostatic potential source advantage can fully meet environmentally friendly minimum discharge requirement.It is applied in coal-burning boiler electrostatic precipitator
Class MARX high-voltage electrostatic power is as follows: with conventional high-tension electrostatic potential source performance comparison
Export the relationship (unit: mg/Nm of grit content and power supply type and flue gas flow3)
| Flow m3/h | 500×103 | 720×103 | 900×103 | 1200×103 | 1500×103 |
| Conventional power source | 141 | 163 | 276 | 296 | 324 |
| Class MARX | 62 | 77 | 106 | 121 | 147 |
As can be seen from the table, after using the power supply of class MARX high-voltage electrostatic power, efficiency of dust collection is dramatically increased.It powers simultaneously
Voltage and current greatly reduces in the process, and the electrical power being applied in load is about the 30% of conventional power source.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art within the technical scope disclosed by the utility model, can readily occur in
Change or replacement, should be covered within the scope of the utility model.Those skilled in the art is appreciated that
In the case where the spirit and scope of the utility model defined without departing substantially from appended claims, it can do in form and detail
Various modifications out.
Claims (4)
1. a type MARX high-voltage electrostatic power comprising at least one capacitor charge and discharge unit, the capacitor charge and discharge unit
Including boost charge transformer, diode and charge and discharge capacitance and solid-state switch, which is characterized in that charge and discharge capacitance is through diode
It after being connected in parallel with boost charge transformer secondary coil, is connected in series with solid-state switch, phase between each capacitor charge and discharge unit
Series connection；Class MARX high-voltage electrostatic power includes into 2 or 2 of cascade or more capacitor charge and discharge units；For adjacent
First capacitor charge/discharge unit and the second capacitor charge and discharge unit, the charge and discharge capacitance in the second capacitor charge and discharge unit connect
It is connected to the collector of solid-state switch in the first capacitor charge/discharge unit；In each capacitor charge and discharge unit diode anode with
Secondary one end of boost charge transformer is connected, and the cathode of diode is connected with charge and discharge capacitance one end, and boost charge becomes
The other end of depressor secondary is connected with the charge and discharge capacitance other end, and solid-state switch emitter and charge and discharge capacitance and diode are born
Pole tie point is connected；Input is the primary end in1 and the primary end in2 of boost charge transformer, exports the end out1 and output
The end out2 is connected with load.
2. class MARX high-voltage electrostatic power according to claim 1, which is characterized in that each line of boost charge transformer
Circle is in same magnetic circuit.
3. class MARX high-voltage electrostatic power of any of claims 1 or 2, which is characterized in that the first moment of solid-state switch is in control
Off state processed applies a switch-on signal, each capacitor in solid-state switch grid after charge and discharge capacitance charging process
Charge and discharge capacitance starts to discharge in charge/discharge unit, and output voltage is that charge and discharge capacitance end voltage is folded in each capacitor charge and discharge unit
It is value added.
4. class MARX high-voltage electrostatic power according to claim 1 or 2, which is characterized in that solid-state switch is that insulated gate is double
Polar transistor IGBT.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820475427.0U CN208424234U (en) | 2018-04-04 | 2018-04-04 | One type MARX high-voltage electrostatic power |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820475427.0U CN208424234U (en) | 2018-04-04 | 2018-04-04 | One type MARX high-voltage electrostatic power |
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| CN208424234U true CN208424234U (en) | 2019-01-22 |
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| CN201820475427.0U Active CN208424234U (en) | 2018-04-04 | 2018-04-04 | One type MARX high-voltage electrostatic power |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109921677A (en) * | 2019-03-13 | 2019-06-21 | 西安科技大学 | A kind of voltage multiplier |
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2018
- 2018-04-04 CN CN201820475427.0U patent/CN208424234U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109921677A (en) * | 2019-03-13 | 2019-06-21 | 西安科技大学 | A kind of voltage multiplier |
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