CN106130392A - A kind of high frequency and high voltage power supply circuit of frequency, amplitude, power adjustable joint - Google Patents
A kind of high frequency and high voltage power supply circuit of frequency, amplitude, power adjustable joint Download PDFInfo
- Publication number
- CN106130392A CN106130392A CN201610722285.9A CN201610722285A CN106130392A CN 106130392 A CN106130392 A CN 106130392A CN 201610722285 A CN201610722285 A CN 201610722285A CN 106130392 A CN106130392 A CN 106130392A
- Authority
- CN
- China
- Prior art keywords
- resistance
- foot
- electric capacity
- output
- circuit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/42—Conversion of dc power input into ac power output without possibility of reversal
- H02M7/44—Conversion of dc power input into ac power output without possibility of reversal by static converters
- H02M7/48—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/53—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M7/537—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters
- H02M7/539—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters with automatic control of output wave form or frequency
-
- 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
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/42—Conversion of dc power input into ac power output without possibility of reversal
- H02M7/44—Conversion of dc power input into ac power output without possibility of reversal by static converters
- H02M7/48—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/53—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M7/537—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters
- H02M7/538—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters in a push-pull configuration
- H02M7/53803—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters in a push-pull configuration with automatic control of output voltage or current
-
- 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
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/42—Conversion of dc power input into ac power output without possibility of reversal
- H02M7/44—Conversion of dc power input into ac power output without possibility of reversal by static converters
- H02M7/48—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/53—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M7/537—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters
- H02M7/539—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters with automatic control of output wave form or frequency
- H02M7/5395—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters with automatic control of output wave form or frequency by pulse-width modulation
Abstract
The present invention relates to a kind of frequency, amplitude, the high frequency and high voltage power supply circuit of power adjustable joint, regulation and control voltage commutation filtering and power samples circuit respectively with main control and drive circuit, ac output frequency controls and drive circuit, output AC power sets and overload protecting circuit, ac output voltage amplitude sets and feedback circuit connects, exchange output and current sampling circuit respectively with ac output frequency control and drive circuit thereof, output AC power sets and overload protecting circuit, ac output voltage amplitude sets and feedback circuit connects, main control and drive circuit set and overload protecting circuit with output AC power respectively, ac output voltage amplitude sets and feedback circuit connects, supply input respectively with main control and drive circuit, ac output frequency controls and drive circuit connects.Circuit theory is simple, and easy to control, the entity power volume that this circuit is corresponding is little, and function is more, and reliable long-term working is high, is user-friendly to.
Description
Technical field
The present invention relates to a kind of be applied in the fields such as analytical tool, biomedicine, environmental monitoring, scientific research frequency, width
The high frequency and high voltage power supply circuit of value, power adjustable joint.
Background technology
High-frequency and high-voltage power supply great majority in the market are based on high-voltage DC power supply, and its application is the widest
General, and high frequency and high voltage power supply kind is less, entity power volume is relatively big, and range of accommodation is narrow, and performance is the most single, reliably
Property is the highest, it is impossible to meet user's request.Expansion along with related application fields such as the development of electronics technology, particularly plasma
Greatly, market is increasing to the demand of high frequency and high voltage power supply, and the performance of its product has been had higher requirement.
Summary of the invention
The deficiency existed in view of existing market, the invention provides a kind of output voltage is high, range of accommodation is wide frequency, width
The high frequency and high voltage power supply circuit of value, power adjustable joint.
The present invention for achieving the above object, is adopted the technical scheme that: the height of a kind of frequency, amplitude, power adjustable joint
Frequently High Level AC Voltage source circuit, including main control and drive circuit, the filtering of regulation and control voltage commutation and power samples circuit thereof, it is special
Levy and be: also include ac output frequency control and drive circuit, output AC power setting and overload protecting circuit, exchange
Output voltage amplitude set and feedback circuit, exchange output and current sampling circuit thereof, described regulation and control voltage commutation filtering and
Its power samples circuit is respectively with main control and drive circuit, ac output frequency controls and drive circuit, exchanges output work
Rate sets and overload protecting circuit, the setting of ac output voltage amplitude and feedback circuit thereof connect, described exchange output and electricity thereof
Stream sample circuit respectively with ac output frequency control and drive circuit thereof, output AC power sets and overload protecting circuit,
Ac output voltage amplitude sets and feedback circuit connects, and described main control and drive circuit set with output AC power respectively
Fixed and overload protecting circuit, ac output voltage amplitude sets and feedback circuit connects, supply input respectively with main control and
Drive circuit, ac output frequency control and drive circuit connects；
Physical circuit is connected as: described ac output frequency controls and in drive circuit, supply input voltage+Vin connects respectively
One end of resistance R41 and R42, the other end of resistance R41 is connected with positive pole, the negative pole of Zener diode D12 of electric capacity C3 respectively
And as in-line power end Vcc, the negative pole of electric capacity C3 is connected with the positive pole of Zener diode D12 and is followed by input ground GND, D/C power
Feeder ear 1 foot of modular converter M1 connects the positive pole of electric capacity C30, the negative pole of diode D11, the other end of resistance R42, DC electricity respectively
Input ground end 2 foot of source modular converter M1 is connected with the negative pole of electric capacity C30 and is followed by input ground GND, D/C power modular converter M1's
Outfan 6 foot connects the positive pole of diode D11, the positive pole of electric capacity C31, feeder ear 1 foot of control chip U4 and high lateral suspension respectively
Power positive end 8 foot, output ground end 4 foot of D/C power modular converter M1 is connected with the negative pole of electric capacity C31 and is followed by input ground GND, electricity
R4 is in parallel with the two of potentiometer VR2 fixing end 1,2 feet in resistance, and the one of potentiometer VR2 fixing end 1 foot is connected with adjustable side 3 foot, electricity
One end of resistance R4 connects vibrator timing resistor input 2 foot of control chip U4 by resistance R3, and the other end of resistance R4 is respectively
Connect another fixing end 2 feet, one end of electric capacity C27 of vibrator timing capacitor input 3 foot of control chip U4, potentiometer VR2,
Earth terminal 4 foot of control chip U4 respectively with high pressure suspending power supply negative terminal 6 foot, the other end phase of electric capacity C27 of control chip U4
Even being followed by input ground GND, diode D13 in parallel with resistance R9, diode D14 is in parallel with resistance R10, the high side of control chip U4
Gate drivers outfan 7 foot connects the negative pole of diode D13, and lowside gate driver output end 5 foot of control chip U4 connects two
The negative pole of pole pipe D14, the positive pole of diode D13 connects the grid of MOS audion T5, and the positive pole of diode D14 meets MOS audion T4
Grid, the source electrode of MOS audion T4 with T5 be connected be followed by input ground GND, MOS audion T5 drain electrode connect at the beginning of transformator TRF2
Same Name of Ends 1 foot of level winding Lp1, the drain electrode of MOS audion T4 connects different name end 3 foot of transformator TRF2 armature winding Lp2, transformation
Center-side 2 foot of device armature winding Lp1 and Lp2 connects inductance L3 and one end of electric capacity C17 respectively, and another termination of electric capacity C17 is defeated
Another termination regulation and control voltage commutation entering ground GND, inductance L3 filters and the positive pole of electric capacity C2 in power samples circuit；
Described output AC power sets and in overload protecting circuit, inverting input 6 foot of amplifier U3B connects electric capacity respectively
C24 and one end of resistance R27, resistance R16 is in parallel with electric capacity C26, and in-phase input end 5 foot of amplifier U3B is connect by resistance R16
Input ground GND, the one of potentiometer VR1 fixing end 1 foot connects another fixing end 2 feet of input ground GND, potentiometer VR1 and connects internal base
Adjustable side 3 foot of quasi-end Vref, potentiometer VR1 passes through resistance R29 one end of connecting resistance R28, the other end of resistance R27 respectively,
The negative pole of diode D6 in another termination regulation and control voltage commutation filtering of resistance R28 and power samples circuit thereof, amplifier U3B's
Outfan 7 foot one end of connecting resistance R24, the other end of electric capacity C24 respectively, resistance R5 is in parallel with electric capacity C25, and resistance R24's is another
One end one end of connecting resistance R5, the base stage of audion T3 respectively, after the emitter stage of audion T3 is connected with the other end of resistance R5
Connect positive pole 1 foot of a termination photoelectrical coupler U5 input diode of input ground GND, resistance R31, the output of photoelectrical coupler U5
Colelctor electrode 4 foot of audion is connected with the colelctor electrode of audion T3 and is followed by the voltage of control chip U2 in main control and drive circuit
Controlling end 5 foot, negative pole 2 foot of photoelectrical coupler U5 input diode is connected with emitter stage 3 foot of output triode and is followed by input
Ground GND；
Described ac output voltage amplitude sets and in feedback circuit, resistance R18 is in parallel with electric capacity C7, one end of resistance R18
Meet the positive pole of electric capacity C2 in regulation and control voltage commutation filtering and power samples circuit thereof, the other end of resistance R18 connecting resistance R15 respectively
With one end of R26, inverting input 2 foot of another termination input ground GND, amplifier U3A of resistance R15 meets electric capacity C22 respectively
One end, the other end of resistance R26, resistance R13 is in parallel with diode D9, outfan 1 foot of amplifier U3A connecting resistance respectively
One end of R14, the negative pole of diode D9, the other end of electric capacity C22, the positive pole of diode D9 connects in main control and drive circuit and controls
Voltage controling end 5 foot of coremaking sheet U2, resistance R25 is in parallel with electric capacity C23, and in-phase input end 3 foot of amplifier U3A connects electricity respectively
One end of resistance R25 and R35, negative terminal 4 foot other end respectively with resistance R14 and R25 of powering of amplifier U3A is connected and is followed by input
Power supply anode 8 foot of ground GND, amplifier U3A meets in-line power end Vcc, and power supply anode 8 foot of amplifier U6A connects in-line power
Power supply negative terminal 4 foot of end Vcc, amplifier U6A connects outfan 1 foot of input ground GND, amplifier U6A and meets the one of electric capacity C10 respectively
End, the other end of resistance R35, inverting input 2 foot of amplifier U6A one end of connecting resistance R37 respectively, electric capacity C10 another
End, in-phase input end 3 foot of amplifier U6A meets adjustable side 3 foot of one end of electric capacity C11, potentiometer VR3, potentiometer VR3 respectively
Fixing end 1 foot meet internal reference end Vref, after another fixing end 2 feet of potentiometer VR3 are connected with the other end of electric capacity C11
Meeting input ground GND, electric capacity C13 in parallel with diode D15, resistance R38 is in parallel with electric capacity C12, and resistance R33 and R34 connects, resistance
One end of R34 one end of connecting resistance R39, the negative pole of diode D15 respectively, the other end of resistance R39 connecting resistance R36 respectively and
One end of R38, the other end of resistance R37, the positive pole of diode D15 is connected with the other end of resistance R38 and is followed by input ground GND,
Inverting input 6 foot of discharger U6B is connected with outfan 7 foot, and in-phase input end 5 foot of amplifier U6B meets electric capacity C14 respectively
One end, the other end of resistance R36, electric capacity C14 another termination input ground GND, amplifier U6B outfan 7 foot by electricity
Resistance R40 connects one end of electric capacity C32, and draws as voltage monitoring end Vdis, another termination input ground GND of electric capacity C32；
In described exchange output and current sampling circuit thereof, 4 feet of transformator TRF2 secondary windings Ls are connect respectively by inductance L4
One end of electric capacity C18, the positive pole of diode D7, and draw as exchange output L end, 5 feet of transformator TRF2 secondary windings Ls
Connecing 1 foot of one end of electric capacity C19, the other end of electric capacity C18, rectifier bridge B1 respectively, the negative pole of diode D7 connects diode D8's
Positive pole, the negative pole of diode D8 by resistance R22 connect respectively the other end of electric capacity C19, ac output voltage amplitude set and
One end of resistance R33 in feedback circuit, 3 feet of rectifier bridge B1 are as exchange output N end extraction, and electric capacity C9 and resistance R19 is in parallel,
Resistance R30 is in parallel with electric capacity C8,2 feet respectively one end of connecting resistance R19 and R30 of rectifier bridge B1, output AC power set and
The other end of resistance R31 in overload protecting circuit, one end of the other end connecting resistance R32 of resistance R30 as current monitoring end
Idis draws, and 4 feet of rectifier bridge B1 are connected with the other end of resistance R19 and R32 and are followed by input ground GND.
The invention has the beneficial effects as follows: circuit theory is simple, and easy to control, the entity power volume that this circuit is corresponding is little,
Function is more, and reliable long-term working is high.There is ac output frequency regulatory function, tuning range width, its frequency-tuning range
For 15KHz～25KHz.Having exchange output amplitude regulatory function, amplitude modulation range is big, and its amplitude range of accommodation is 1KV～10KV.
Having output AC power regulatory function, adapt to power bracket width, its power regulating range is 1W～20W.With exchange output
Amplitude and output current monitoring function, be user-friendly to.
Accompanying drawing explanation
Fig. 1 is that the power circuit of the present invention connects block diagram；
Fig. 2 is the power circuit principle figure of the present invention.
Detailed description of the invention
As shown in Figure 1 and Figure 2, the high frequency and high voltage power supply circuit of a kind of frequency, amplitude, power adjustable joint, including master control
System and drive circuit, the filtering of regulation and control voltage commutation and power samples circuit thereof, also include ac output frequency control and driving thereof
Circuit, output AC power set and overload protecting circuit, the setting of ac output voltage amplitude and feedback circuit thereof, exchange output
And current sampling circuit.
Regulation and control voltage commutation filtering and power samples circuit respectively with main control and drive circuit, ac output frequency control
System and drive circuit, output AC power setting and overload protecting circuit, the setting of ac output voltage amplitude and feedback electricity thereof
Road connect, exchange output and current sampling circuit respectively with ac output frequency control and drive circuit thereof, exchange output work
Rate sets and overload protecting circuit, the setting of ac output voltage amplitude and feedback circuit thereof connect, and main control and drive circuit divide
Do not set with output AC power and overload protecting circuit, the setting of ac output voltage amplitude and feedback circuit thereof are connected, power supply
Input is respectively with main control and drive circuit, ac output frequency controls and drive circuit is connected.
Above-mentioned ac output frequency controls and in drive circuit, supply input voltage+Vin connecting resistance R41 and R42 respectively
One end, the other end of resistance R41 is connected with the positive pole of electric capacity C3, the negative pole of Zener diode D12 respectively and supplies as internal
Electricity end Vcc, the negative pole of electric capacity C3 is connected with the positive pole of Zener diode D12 and is followed by input ground GND, D/C power modular converter M1's
Feeder ear 1 foot meets the positive pole of electric capacity C30, the negative pole of diode D11, the other end of resistance R42, D/C power modular converter M1 respectively
Input ground end 2 foot be connected with the negative pole of electric capacity C30 and be followed by outfan 6 foot of input ground GND, D/C power modular converter M1 respectively
Meet the positive pole of diode D11, the positive pole of electric capacity C31, feeder ear 1 foot of control chip U4 and high side suspended power supply anode 8 foot, DC
Output ground end 4 foot of power transfer module M1 is connected with the negative pole of electric capacity C31 and is followed by input ground GND, resistance R4 and potentiometer VR2
Two fixing end 1,2 feet in parallel, the one of potentiometer VR2 fixing end 1 foot is connected with adjustable side 3 foot, and one end of resistance R4 is passed through
Resistance R3 connects vibrator timing resistor input 2 foot of control chip U4, and the other end of resistance R4 connects control chip U4's respectively
Vibrator timing capacitor input 3 foot, another fixing end 2 feet, one end of electric capacity C27 of potentiometer VR2, control chip U4 connects
Ground end 4 foot is connected is followed by input ground with high pressure suspending power supply negative terminal 6 foot, the other end of electric capacity C27 of control chip U4 respectively
GND, diode D13 are in parallel with resistance R9, and diode D14 is in parallel with resistance R10, and the high side gate driver of control chip U4 is defeated
Going out end 7 feet and connect the negative pole of diode D13, lowside gate driver output end 5 foot of control chip U4 connects the negative of diode D14
Pole, the positive pole of diode D13 connects the grid of MOS audion T5, and the positive pole of diode D14 meets the grid of MOS audion T4, MOS
The source electrode of audion T4 with T5 be connected be followed by input ground GND, MOS audion T5 drain electrode meet transformator TRF2 armature winding Lp1
Same Name of Ends 1 foot, the drain electrode of MOS audion T4 connects different name end 3 foot of transformator TRF2 armature winding Lp2, primary around
Center-side 2 foot of group Lp1 and Lp2 connects inductance L3 and one end of electric capacity C17 respectively, another termination input ground GND of electric capacity C17,
The positive pole of electric capacity C2 in another termination regulation and control voltage commutation filtering of inductance L3 and power samples circuit thereof.
Above-mentioned output AC power sets and in overload protecting circuit, inverting input 6 foot of amplifier U3B connects electricity respectively
Holding C24 and one end of resistance R27, resistance R16 is in parallel with electric capacity C26, and in-phase input end 5 foot of amplifier U3B passes through resistance R16
Meeting input ground GND, the one of potentiometer VR1 fixing end 1 foot connects another fixing end 2 feet of input ground GND, potentiometer VR1 and connects inside
Adjustable side 3 foot of reference edge Vref, potentiometer VR1 by resistance R29 respectively one end of connecting resistance R28, resistance R27 another
End, the negative pole of diode D6, amplifier in another termination regulation and control voltage commutation filtering of resistance R28 and power samples circuit thereof
Outfan 7 foot of U3B one end of connecting resistance R24, the other end of electric capacity C24 respectively, resistance R5 is in parallel with electric capacity C25, resistance R24
The other end respectively one end of connecting resistance R5, the base stage of audion T3, the other end phase of the emitter stage of audion T3 and resistance R5
Even it is followed by positive pole 1 foot of a termination photoelectrical coupler U5 input diode of input ground GND, resistance R31, photoelectrical coupler U5's
Colelctor electrode 4 foot of output triode is connected with the colelctor electrode of audion T3 and is followed by control chip U2 in main control and drive circuit
Voltage controling end 5 foot, negative pole 2 foot of photoelectrical coupler U5 input diode is connected with emitter stage 3 foot of output triode and is followed by
Input ground GND.
Above-mentioned ac output voltage amplitude sets and in feedback circuit, resistance R18 is in parallel with electric capacity C7, resistance R18's
The positive pole of electric capacity C2 in one termination regulation and control voltage commutation filtering and power samples circuit thereof, the other end of resistance R18 connects electricity respectively
One end of resistance R15 and R26, inverting input 2 foot of another termination input ground GND, amplifier U3A of resistance R15 connects electricity respectively
Holding one end of C22, the other end of resistance R26, resistance R13 is in parallel with diode D9, and outfan 1 foot of amplifier U3A connects respectively
One end of resistance R14, the negative pole of diode D9, the other end of electric capacity C22, the positive pole of diode D9 connects main control and drive circuit
Voltage controling end 5 foot of middle control chip U2, resistance R25 is in parallel with electric capacity C23, and in-phase input end 3 foot of amplifier U3A is respectively
One end of connecting resistance R25 and R35, negative terminal 4 foot other end respectively with resistance R14 and R25 of powering of amplifier U3A is connected and is followed by
Power supply anode 8 foot of input ground GND, amplifier U3A meets in-line power end Vcc, and power supply anode 8 foot of amplifier U6A connects inside
Power supply negative terminal 4 foot of feeder ear Vcc, amplifier U6A connects outfan 1 foot of input ground GND, amplifier U6A and meets electric capacity C10 respectively
One end, the other end of resistance R35, inverting input 2 foot of amplifier U6A one end of connecting resistance R37 respectively, electric capacity C10
The other end, in-phase input end 3 foot of amplifier U6A connects adjustable side 3 foot of one end of electric capacity C11, potentiometer VR3, current potential respectively
The one of device VR3 fixing end 1 foot meets internal reference end Vref, another fixing end 2 feet of potentiometer VR3 and the other end of electric capacity C11
Being connected, it is in parallel with diode D15 to be followed by input ground GND, electric capacity C13, and resistance R38 is in parallel with electric capacity C12, and resistance R33 and R34 goes here and there
Connection, one end of resistance R34 one end of connecting resistance R39, the negative pole of diode D15 respectively, the other end of resistance R39 connecting resistance respectively
One end of R36 and R38, the other end of resistance R37, the positive pole of diode D15 is connected with the other end of resistance R38 and is followed by input ground
Inverting input 6 foot of GND, discharger U6B is connected with outfan 7 foot, and in-phase input end 5 foot of amplifier U6B connects electricity respectively
Holding one end of C14, the other end of resistance R36, outfan 7 foot of another termination input ground GND, amplifier U6B of electric capacity C14 leads to
Cross resistance R40 and connect one end of electric capacity C32, and draw as voltage monitoring end Vdis, another termination input ground GND of electric capacity C32.
In above-mentioned exchange output and current sampling circuit thereof, 4 feet of transformator TRF2 secondary windings Ls are divided by inductance L4
Do not connect one end of electric capacity C18, the positive pole of diode D7, and draw as exchange output L end, transformator TRF2 secondary windings Ls's
5 feet connect 1 foot of one end of electric capacity C19, the other end of electric capacity C18, rectifier bridge B1 respectively, and the negative pole of diode D7 meets diode D8
Positive pole, the negative pole of diode D8 by resistance R22 connect respectively the other end of electric capacity C19, ac output voltage amplitude set and
One end of resistance R33 in its feedback circuit, 3 feet of rectifier bridge B1 are as exchange output N end extraction, and electric capacity C9 and resistance R19 is also
Connection, resistance R30 is in parallel with electric capacity C8, and 2 feet of rectifier bridge B1 one end of connecting resistance R19 and R30 respectively, output AC power set
And the other end of resistance R31 in overload protecting circuit, one end of the other end connecting resistance R32 of resistance R30 as current monitoring
End Idis draws, and 4 feet of rectifier bridge B1 are connected with the other end of resistance R19 and R32 and are followed by input ground GND.
The model of control chip U4 is: IR21531.
Photoelectrical coupler U5 model is: P281.
The model of control chip U2 is: 7555.
Amplifier U3 and U6 model be: LF442.
Fiducial chip U1 model is: LM4040.
As a example by the high frequency and high voltage power supply circuit of the design, make entity products, through actually detected, power supply
Property indices has all reached design requirement.
For guaranteeing the reliability of power supply long-term work, when selecting components and parts, according to the requirement of actual product, take into full account
The redundancy of its each parameter.
According to real output and voltage, select transformator TRF1 and transformator TRF2.Fill when making transformator TRF2
Divide and consider the pressure problem of insulation；When output is bigger, power MOS pipe T1, T4 and T5 need to consider heat dissipation problem.
Operation principle
In main control and drive circuit, Master control chip U2 uses 7555, and it forms many with resistance R1, R23, electric capacity C20 etc.
Resonance oscillation circuit, outfan 3 foot at U2 exports high frequency square wave pulse, drives MOS switch pipe T1 and high frequency transformer TRF1.Respectively
Plant feedback signal, by voltage controling end 5 foot, control frequency and the dutycycle of output square-wave pulse, to reach to control to be correlated with instead
The purpose of feedback variable.At start and stop R/S end, by Transistor-Transistor Logic level, control startup and the stopping of power supply.
In regulation and control voltage commutation filtering and power samples circuit thereof, obtain from high frequency transformer TRF1 secondary windings
High-frequency pulse voltage, through diode D2 ~ D5 rectification, inductance L2 and electric capacity C2, C15 etc. filter, obtain stable tens volt direct current
Voltage, the armature winding for high frequency transformer TRF2 provides excitation voltage.
In ac output frequency control and drive circuit thereof, input power supply+Vin passes through DC/DC power transfer module M1,
Obtain galvanic current pressure, as the power supply of control chip U4.Chip U4 uses IR32531, for auto-oscillation type half-bridge driver,
Its output drives and controls by former half-bridge structure reconfiguration as recommending export structure, through switch transistor T 4, T5, drives high frequency transformer
TRF2.Meanwhile, by potentiometer VR2, within the specific limits, its output frequency, and then regulation high-frequency and high-voltage exchange output are regulated
The frequency of voltage.
Set and in overload protecting circuit at output AC power, be basically unchanged at ac output voltage and regulation and control voltage
Under the conditions of, setting regulation by potentiometer VR1, the regulation and control output electric current gathered on resistance R21, amplified device U3B electric current is anti-
Feedback, controls the maximum output current of regulation and control voltage, thus controls, regulates the peak power output of exchange output.
Ac output voltage amplitude set and feedback circuit in, the amplitude of ac output voltage, through resistance R33,
The feedback sample such as R34, R38, deliver to inverting input 2 foot of amplifier U6A, from the ac output voltage width of potentiometer VR3
Degree setting value delivers to in-phase input end 3 foot, and their differential voltage amplified device U6A amplifies output, delivers to the same of amplifier U3A
Phase input 3 foot, regulation and control voltage is sampled by the Voltage Feedback such as resistance R20, R15 and electric capacity C7, delivers to the anti-phase of amplifier U3A
Input 2 foot, they are by the amplification output of amplifier U3A, voltage controling end 5 foot of control chip U2, and then control exchange
Output voltage amplitude.
In exchange output and current sampling circuit thereof, secondary by high frequency transformer TRF2 directly exports from L end and N end
High-frequency ac voltage, this voltage, after the rectifying and wave-filtering of diode D7, D8 and electric capacity C19, is delivered to ac output voltage amplitude and is set
Determine and feedback circuit.High-frequency and high-voltage exchange exports rectified bridge B1, obtains the sampling letter of ac output current on resistance R19
Number, one deliver to output AC power set and overload protecting circuit, its two after resistance R30, R32 dividing potential drop as output electric current
Monitoring side Idis draws.
Claims (1)
1. frequency, amplitude, a high frequency and high voltage power supply circuit for power adjustable joint, including main control and drive circuit, tune
Control voltage commutation filtering and power samples circuit thereof, it is characterised in that: also include ac output frequency control and drive circuit thereof,
Output AC power set and overload protecting circuit, ac output voltage amplitude set and feedback circuit, exchange output and
Current sampling circuit, described regulation and control voltage commutation filtering and power samples circuit respectively with main control and drive circuit, exchange
Output frequency controls and drive circuit, output AC power setting and overload protecting circuit, the setting of ac output voltage amplitude
And feedback circuit connects, described exchange output and current sampling circuit thereof are electric with ac output frequency control and driving thereof respectively
Road, output AC power setting and overload protecting circuit, ac output voltage amplitude set and feedback circuit connects, described master
Control and drive circuit sets with output AC power respectively and overload protecting circuit, ac output voltage amplitude set and anti-
Current feed circuit connects, and supply input is respectively with main control and drive circuit, ac output frequency controls and drive circuit is connected；
Physical circuit is connected as: described ac output frequency controls and in drive circuit, supply input voltage+Vin connects respectively
One end of resistance R41 and R42, the other end of resistance R41 is connected with positive pole, the negative pole of Zener diode D12 of electric capacity C3 respectively
And as in-line power end Vcc, the negative pole of electric capacity C3 is connected with the positive pole of Zener diode D12 and is followed by input ground GND, D/C power
Feeder ear 1 foot of modular converter M1 connects the positive pole of electric capacity C30, the negative pole of diode D11, the other end of resistance R42, DC electricity respectively
Input ground end 2 foot of source modular converter M1 is connected with the negative pole of electric capacity C30 and is followed by input ground GND, D/C power modular converter M1's
Outfan 6 foot connects the positive pole of diode D11, the positive pole of electric capacity C31, feeder ear 1 foot of control chip U4 and high lateral suspension respectively
Power positive end 8 foot, output ground end 4 foot of D/C power modular converter M1 is connected with the negative pole of electric capacity C31 and is followed by input ground GND, electricity
R4 is in parallel with the two of potentiometer VR2 fixing end 1,2 feet in resistance, and the one of potentiometer VR2 fixing end 1 foot is connected with adjustable side 3 foot, electricity
One end of resistance R4 connects vibrator timing resistor input 2 foot of control chip U4 by resistance R3, and the other end of resistance R4 is respectively
Connect another fixing end 2 feet, one end of electric capacity C27 of vibrator timing capacitor input 3 foot of control chip U4, potentiometer VR2,
Earth terminal 4 foot of control chip U4 respectively with high pressure suspending power supply negative terminal 6 foot, the other end phase of electric capacity C27 of control chip U4
Even being followed by input ground GND, diode D13 in parallel with resistance R9, diode D14 is in parallel with resistance R10, the high side of control chip U4
Gate drivers outfan 7 foot connects the negative pole of diode D13, and lowside gate driver output end 5 foot of control chip U4 connects two
The negative pole of pole pipe D14, the positive pole of diode D13 connects the grid of MOS audion T5, and the positive pole of diode D14 meets MOS audion T4
Grid, the source electrode of MOS audion T4 with T5 be connected be followed by input ground GND, MOS audion T5 drain electrode connect at the beginning of transformator TRF2
Same Name of Ends 1 foot of level winding Lp1, the drain electrode of MOS audion T4 connects different name end 3 foot of transformator TRF2 armature winding Lp2, transformation
Center-side 2 foot of device armature winding Lp1 and Lp2 connects inductance L3 and one end of electric capacity C17 respectively, and another termination of electric capacity C17 is defeated
Another termination regulation and control voltage commutation entering ground GND, inductance L3 filters and the positive pole of electric capacity C2 in power samples circuit；
Described output AC power sets and in overload protecting circuit, inverting input 6 foot of amplifier U3B connects electric capacity respectively
C24 and one end of resistance R27, resistance R16 is in parallel with electric capacity C26, and in-phase input end 5 foot of amplifier U3B is connect by resistance R16
Input ground GND, the one of potentiometer VR1 fixing end 1 foot connects another fixing end 2 feet of input ground GND, potentiometer VR1 and connects internal base
Adjustable side 3 foot of quasi-end Vref, potentiometer VR1 passes through resistance R29 one end of connecting resistance R28, the other end of resistance R27 respectively,
The negative pole of diode D6 in another termination regulation and control voltage commutation filtering of resistance R28 and power samples circuit thereof, amplifier U3B's
Outfan 7 foot one end of connecting resistance R24, the other end of electric capacity C24 respectively, resistance R5 is in parallel with electric capacity C25, and resistance R24's is another
One end one end of connecting resistance R5, the base stage of audion T3 respectively, after the emitter stage of audion T3 is connected with the other end of resistance R5
Connect positive pole 1 foot of a termination photoelectrical coupler U5 input diode of input ground GND, resistance R31, the output of photoelectrical coupler U5
Colelctor electrode 4 foot of audion is connected with the colelctor electrode of audion T3 and is followed by the voltage of control chip U2 in main control and drive circuit
Controlling end 5 foot, negative pole 2 foot of photoelectrical coupler U5 input diode is connected with emitter stage 3 foot of output triode and is followed by input
Ground GND；
Described ac output voltage amplitude sets and in feedback circuit, resistance R18 is in parallel with electric capacity C7, one end of resistance R18
Meet the positive pole of electric capacity C2 in regulation and control voltage commutation filtering and power samples circuit thereof, the other end of resistance R18 connecting resistance R15 respectively
With one end of R26, inverting input 2 foot of another termination input ground GND, amplifier U3A of resistance R15 meets electric capacity C22 respectively
One end, the other end of resistance R26, resistance R13 is in parallel with diode D9, outfan 1 foot of amplifier U3A connecting resistance respectively
One end of R14, the negative pole of diode D9, the other end of electric capacity C22, the positive pole of diode D9 connects in main control and drive circuit and controls
Voltage controling end 5 foot of coremaking sheet U2, resistance R25 is in parallel with electric capacity C23, and in-phase input end 3 foot of amplifier U3A connects electricity respectively
One end of resistance R25 and R35, negative terminal 4 foot other end respectively with resistance R14 and R25 of powering of amplifier U3A is connected and is followed by input
Power supply anode 8 foot of ground GND, amplifier U3A meets in-line power end Vcc, and power supply anode 8 foot of amplifier U6A connects in-line power
Power supply negative terminal 4 foot of end Vcc, amplifier U6A connects outfan 1 foot of input ground GND, amplifier U6A and meets the one of electric capacity C10 respectively
End, the other end of resistance R35, inverting input 2 foot of amplifier U6A one end of connecting resistance R37 respectively, electric capacity C10 another
End, in-phase input end 3 foot of amplifier U6A meets adjustable side 3 foot of one end of electric capacity C11, potentiometer VR3, potentiometer VR3 respectively
Fixing end 1 foot meet internal reference end Vref, after another fixing end 2 feet of potentiometer VR3 are connected with the other end of electric capacity C11
Meeting input ground GND, electric capacity C13 in parallel with diode D15, resistance R38 is in parallel with electric capacity C12, and resistance R33 and R34 connects, resistance
One end of R34 one end of connecting resistance R39, the negative pole of diode D15 respectively, the other end of resistance R39 connecting resistance R36 respectively and
One end of R38, the other end of resistance R37, the positive pole of diode D15 is connected with the other end of resistance R38 and is followed by input ground GND,
Inverting input 6 foot of discharger U6B is connected with outfan 7 foot, and in-phase input end 5 foot of amplifier U6B meets electric capacity C14 respectively
One end, the other end of resistance R36, electric capacity C14 another termination input ground GND, amplifier U6B outfan 7 foot by electricity
Resistance R40 connects one end of electric capacity C32, and draws as voltage monitoring end Vdis, another termination input ground GND of electric capacity C32；
In described exchange output and current sampling circuit thereof, 4 feet of transformator TRF2 secondary windings Ls are connect respectively by inductance L4
One end of electric capacity C18, the positive pole of diode D7, and draw as exchange output L end, 5 feet of transformator TRF2 secondary windings Ls
Connecing 1 foot of one end of electric capacity C19, the other end of electric capacity C18, rectifier bridge B1 respectively, the negative pole of diode D7 connects diode D8's
Positive pole, the negative pole of diode D8 by resistance R22 connect respectively the other end of electric capacity C19, ac output voltage amplitude set and
One end of resistance R33 in feedback circuit, 3 feet of rectifier bridge B1 are as exchange output N end extraction, and electric capacity C9 and resistance R19 is in parallel,
Resistance R30 is in parallel with electric capacity C8,2 feet respectively one end of connecting resistance R19 and R30 of rectifier bridge B1, output AC power set and
The other end of resistance R31 in overload protecting circuit, one end of the other end connecting resistance R32 of resistance R30 as current monitoring end
Idis draws, and 4 feet of rectifier bridge B1 are connected with the other end of resistance R19 and R32 and are followed by input ground GND.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610722285.9A CN106130392B (en) | 2016-08-25 | 2016-08-25 | A kind of frequency, amplitude, power adjustable section high frequency and high voltage power supply circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610722285.9A CN106130392B (en) | 2016-08-25 | 2016-08-25 | A kind of frequency, amplitude, power adjustable section high frequency and high voltage power supply circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106130392A true CN106130392A (en) | 2016-11-16 |
| CN106130392B CN106130392B (en) | 2018-06-19 |
Family
ID=57274821
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610722285.9A Active CN106130392B (en) | 2016-08-25 | 2016-08-25 | A kind of frequency, amplitude, power adjustable section high frequency and high voltage power supply circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106130392B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107769560A (en) * | 2017-11-29 | 2018-03-06 | 苏州工业职业技术学院 | A kind of rearrangeable switch power supply based on BUCK circuits |
| CN114221527A (en) * | 2022-02-22 | 2022-03-22 | 深圳市深澳视觉科技有限公司 | Alternating current-direct current energy conversion control circuit and high-frequency medical equipment |
| CN114362490A (en) * | 2021-12-30 | 2022-04-15 | 杭州春来科技有限公司 | Quadrupole rod power supply driving circuit |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0468513A2 (en) * | 1990-07-27 | 1992-01-29 | Tokyo Electric Co., Ltd. | High voltage power supply control apparatus |
| CN201623647U (en) * | 2010-03-17 | 2010-11-03 | 天津市东文高压电源厂 | Small-volume self-recovery protection negative-output high-voltage module power source |
| CN102223093A (en) * | 2011-06-16 | 2011-10-19 | 天津市东文高压电源厂 | Power circuit with start-stop control, low power supply and power and negative high voltage |
| CN102307011A (en) * | 2011-09-19 | 2012-01-04 | 东文高压电源（天津）有限公司 | Miniature high voltage isolation VV converter module formed by LM331 |
| CN205986669U (en) * | 2016-08-25 | 2017-02-22 | 东文高压电源（天津）股份有限公司 | High frequency and high voltage alternating current power supply circuit with adjustable frequency, amplitude, power |
-
2016
- 2016-08-25 CN CN201610722285.9A patent/CN106130392B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0468513A2 (en) * | 1990-07-27 | 1992-01-29 | Tokyo Electric Co., Ltd. | High voltage power supply control apparatus |
| CN201623647U (en) * | 2010-03-17 | 2010-11-03 | 天津市东文高压电源厂 | Small-volume self-recovery protection negative-output high-voltage module power source |
| CN102223093A (en) * | 2011-06-16 | 2011-10-19 | 天津市东文高压电源厂 | Power circuit with start-stop control, low power supply and power and negative high voltage |
| CN102307011A (en) * | 2011-09-19 | 2012-01-04 | 东文高压电源（天津）有限公司 | Miniature high voltage isolation VV converter module formed by LM331 |
| CN205986669U (en) * | 2016-08-25 | 2017-02-22 | 东文高压电源（天津）股份有限公司 | High frequency and high voltage alternating current power supply circuit with adjustable frequency, amplitude, power |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107769560A (en) * | 2017-11-29 | 2018-03-06 | 苏州工业职业技术学院 | A kind of rearrangeable switch power supply based on BUCK circuits |
| CN107769560B (en) * | 2017-11-29 | 2023-10-31 | 苏州工业职业技术学院 | Adjustable switching power supply based on BUCK circuit |
| CN114362490A (en) * | 2021-12-30 | 2022-04-15 | 杭州春来科技有限公司 | Quadrupole rod power supply driving circuit |
| CN114362490B (en) * | 2021-12-30 | 2024-05-07 | 杭州春来科技有限公司 | Quadrupole rod power supply driving circuit |
| CN114221527A (en) * | 2022-02-22 | 2022-03-22 | 深圳市深澳视觉科技有限公司 | Alternating current-direct current energy conversion control circuit and high-frequency medical equipment |
| CN114221527B (en) * | 2022-02-22 | 2022-05-20 | 深圳市深澳视觉科技有限公司 | Alternating current-direct current energy conversion control circuit and high-frequency medical equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106130392B (en) | 2018-06-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106130392A (en) | A kind of high frequency and high voltage power supply circuit of frequency, amplitude, power adjustable joint | |
| US6377163B1 (en) | Power line communication circuit | |
| CN204992720U (en) | Wireless charging device | |
| CN206482028U (en) | A kind of ultrasonic atomizatio piece oscillation control circuit and ultrasonic electronic cigarette | |
| CN108988820A (en) | A kind of Analysis of Network Information system | |
| CN106411141B (en) | A kind of fixed frequency, fixed pulse width, the high voltage direct current source circuit for inputting amplitude adjustment control | |
| CN108649788B (en) | Ultrasonic power supply | |
| CN205986669U (en) | High frequency and high voltage alternating current power supply circuit with adjustable frequency, amplitude, power | |
| US8729772B1 (en) | Swept sideband PZT driver circuit | |
| CN205946297U (en) | Special high pressure module power of high accuracy mercury lamp | |
| CN108233749B (en) | Isolated adjustable three-phase inverter power supply | |
| CN110504843A (en) | A kind of ultrasonic power | |
| CN210431243U (en) | Ultrasonic power supply | |
| CN207720102U (en) | Atomization chases after frequency feedback circuit and device | |
| CN206628979U (en) | A kind of vehicle-mounted DC/DC power conversion units of high power | |
| CN2437418Y (en) | Ultrasonic generator | |
| CN206686102U (en) | A kind of adaptive washing facility numerical control supersonic driver | |
| CN206962712U (en) | A kind of adjustable DC high voltage power supply | |
| CN205847104U (en) | Fixed frequency, fixed pulse width, the high voltage direct current source circuit of input amplitude adjustment control | |
| CN205945526U (en) | Keep apart 30KV and have and open DC who stops control DC module power | |
| CN212413137U (en) | Electric isolation circuit for controlling strong current by weak current | |
| CN104066256A (en) | Phase-sectioning dimming control circuit for LED lamp and dimming method thereof | |
| CN109620990B (en) | Ultrasonic aromatherapy device with constant spraying quantity | |
| CN2202375Y (en) | Power supply device of self-excited switch with overcurrent protection | |
| CN213990528U (en) | Power amplifier power module of high-power digital power amplifier active loudspeaker box system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |