CN103956952B - Synchronous frequency conversion formula alternating current generator vector frequency conversion control device - Google Patents
Synchronous frequency conversion formula alternating current generator vector frequency conversion control device Download PDFInfo
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Abstract
The invention discloses a kind of synchronous frequency conversion formula alternating current generator vector frequency conversion control device, it includes main circuit and control circuit, main circuit includes rectifier, rectifier is connected with wave filter, wave filter is connected with the first inversion unit, first inversion unit is connected with high frequency main transformer, high frequency main transformer is connected with hf rectifier, hf rectifier is connected with high frequency filter, high frequency filter is connected with brake unit, brake unit is connected with the second inversion unit, second inversion unit is connected with load motor, circuit is controlled to include detection unit, central controller, inverse changing driving circuit and boost control circuit.The advantage of the invention is that：Change the frequency and the Frequency Synchronization of voltage and input AC electricity of output alternating current, the purpose that alternating current generator rotating speed is controlled by unit prime mover gas pedal is reached, the gas pedal that unit prime mover is sent out in realization with internal combustion controls engineer machinery operation mechanism action and chassis to realize that variable speed is walked.
Description
Technical field
The present invention relates to a kind of electric machine controller, specifically a kind of synchronous frequency conversion formula alternating current generator vector frequency conversion control
Device.
Background technology
The frequency-variable controller inputs as ac motor speed control by variable frequency all at present be all fixed voltage direct current or
The alternating current of fixed voltage, fixed frequency the, as " vector frequency conversion control for requiring that there is the alternating current generator of " hardware features " to use
Device " is even more so.However, with used in electronic engineering machinery of the exchange internal combustion engine generator group as power alternating current generator as
When electronic engineer machinery operation mechanism particularly drives power as chassis walking mechanism, if the controller of its motor still will
Ask input is fixed voltage, the alternating current of fixed frequency, it is clear that in engineer machinery operation and walking process, be used as power
The eternal continuous firing of internal combustion engine generator group is in rated speed, rated frequency, the declared working condition of rated voltage, and this not only makes electronic work
Journey machinery is produced in operation and walking process continues larger noise, and adds mechanical wear and energy resource consumption.
The content of the invention
Inversion type direct-current machine drive control device is inputted it is an object of the invention to provide a kind of frequency conversion, it utilizes vector converter
Control technology, designs a kind of synchronous frequency conversion formula alternating current generator frequency-variable controller, the i.e. controller and retains conventional vector VFC
The hardware features of device, design control circuit uses synchronization control circuit, i.e.,：Internal combustion engine generator group as power is operated in variable turn
Fast operating mode, the frequency signal of the rotating speed of internal combustion engine generator group or the AC power of output is gathered by sensor, is set by special
The control circuit of meter, controls the exchange of the controller to export, and makes the frequency and voltage and the frequency of input AC electricity of output alternating current
Rate synchronously changes, the rotating speed of control and adjustment alternating current generator, so that both having remained vector controller meets alternating current generator hardware features
The need for, the output frequency and generating unit speed of controller are made again（The frequency of unit output）It is synchronous, reach by unit prime mover
Gas pedal controls the purpose of alternating current generator rotating speed, and the gas pedal control engineering machinery that realization sends out unit prime mover with internal combustion is made
Industry mechanism action and chassis realize variable speed walk, in this way, make it possible engineering machinery simulated automotive walk operating mode.
The present invention to achieve the above object, is achieved through the following technical solutions：Including main circuit and control circuit, main circuit
Including rectifier, the output end of rectifier and the input of wave filter are connected, the output end of wave filter and the first inversion unit
Input is connected, and the output end of the first inversion unit is connected with the input of the main voltage transformation unit of high frequency, the main voltage transformation unit of high frequency
The input connection of output end and hf rectifier, the output end of hf rectifier and the input of high frequency filter are connected, high
The output end of frequency wave filter and the input of brake unit are connected, the output end of brake unit and the input of the second inversion unit
Connection, the output end of the second inversion unit and the input of load motor are connected, and control circuit includes detection unit, center control
Device, inverse changing driving circuit and boost control circuit.The annexation of main circuit and control circuit is as follows：Rectifier is by the electricity of input
Pressure, the three-phase alternating current of changeable frequency are by being rectified into direct current after rectifier U13, wave filter is by resistance R70, D.C. contactor
KM1, connector J1, electric capacity C3, electric capacity C4, electric capacity C24, resistance R6, resistance R7 compositions, electric capacity C24 is Absorption Capacitance, electric capacity
C3, electric capacity C4 are filter capacitor, and resistance R6, resistance R7 are equalizing resistance, and rectifier U13 positive output ends pass through resistance R70 and the
One inversion unit U21 positive input terminals are connected, and rectifier U13 negative output terminals are connected with the first inversion unit U21 negative input ends, direct current
Contactor KM1 normally opened contacts are in parallel with resistance R70, and D.C. contactor KM1 coils two ends are connected with connector J1 pins 1,2, electricity
Hold C24 one end with the first inversion unit U21 positive input terminals to be connected, the electric capacity C24 other ends and the first inversion unit U21 negative input ends
Be connected, electric capacity C3 connects with electric capacity C4, and electric capacity C3 positive poles are connected with the first inversion unit U21 positive input terminals, electric capacity C4 negative poles and
First inversion unit U21 negative input ends are connected, and resistance R6 is in parallel with electric capacity C3, and resistance R7 is in parallel with electric capacity C4, the first inversion list
The direct current of input is passed through first inversion unit U21 inverter output frequency 10 ~ 100kHz high-frequency alternating currents, high frequency main transformer pressure by member
Unit medium/high frequency transformer T1 first side winding two ends input high-frequency alternating current, high frequency transformer T1 secondary side winding two ends
Exported, the alternating current that high frequency transformer T1 secondary side windings two ends are obtained exports direct current by hf rectifier U22 rectifications
Electricity, high frequency filter is made up of reactor L1, electric capacity C25, electric capacity C5, electric capacity C6, resistance R9, resistance R10, and L1 is reactor,
Electric capacity C25 is Absorption Capacitance, and electric capacity C5, electric capacity C6 are filter capacitor, and resistance R9, resistance R10 are equalizing resistance, hf rectifier
U22 positive output ends are connected by reactor L1 with the two the second inversion unit U23 positive input terminals, hf rectifier U22 negative outputs
End is connected with the two the second inversion unit U23 negative input ends, electric capacity C25 one end and the two the second inversion unit U23 positive input terminals
It is connected, the electric capacity C25 other ends are connected with the second inversion unit U23 negative input ends, and electric capacity C5 connects with electric capacity C6, electric capacity C5 positive poles
It is connected with the first inversion unit U21 positive input terminals, electric capacity C6 negative poles are connected with the first inversion unit U21 negative input ends, resistance R9
In parallel with electric capacity C5, resistance R10 is in parallel with electric capacity C6, and brake unit is made up of resistance R11 and power device V1, power device V1
Colelctor electrode is connected by resistance R11 with the second inversion unit U23 positive input terminals, power device V1 emitter stages and the second inversion unit
U23 negative input ends are connected, and the direct current of the second inversion unit input passes through the second inversion unit U23 inverter output frequencies and input
Frequency Synchronization changes and had the effect of zero cross detection circuit in the alternating current suitable for motor " hardware features ", detection unit to be inspection
Measured frequency signal feeding central controller is analyzed and processed, by resistance R4, resistance R5, resistance R8, optocoupler U14, optocoupler U15 groups
Into optocoupler U14 pins 1 are connected to three-phase alternating current R phases by resistance R4 and resistance R5, and optocoupler U14 pins 2 are connected to three-phase alternating current
S-phase, optocoupler U14 pins 1 are connected with optocoupler U15 pins 2, and optocoupler U14 pins 1 are connected with optocoupler U15 pins 1, optocoupler U14 pins
3 are connected with optocoupler U15 pins 3, and optocoupler U14 pins 4 are connected with optocoupler U15 pins 4, and optocoupler U14 pins 3 are connected to power supply 0V, light
Coupling U14 pins 4 are connected to power supply+5V by resistance R8, and optocoupler U14 pins 4 are connected with control chip U28 pins 30, position detection
The effect of circuit is to detect that position feeding central controller of the main rotor in motion process is analyzed and processed, by connector
J6, diode D8~D10, resistance R31~R36, optocoupler U17~U19 compositions, connector J6 pins 1 are connected to power supply 0V, connector
J6 pins 2 are connected to power supply 12V, and connector J6 pins 3 are connected with diode D10 negative electrodes, and connector J6 pins 4 and diode D9 is cloudy
Extremely it is connected, connector J6 pins 5 are connected with diode D8 negative electrodes, and optocoupler U17~U19 pins 1 are connected to by R31~R33 respectively
Power supply+5V, optocoupler U17~U19 pins 2 are connected with diode D8~D10 anodes respectively, and optocoupler U17~U19 pins 4 lead to respectively
Cross resistance R34~R36 and be connected to power supply+5V, optocoupler U17~U19 pins 3 are respectively connected to power supply 0V, optocoupler U17 pins 4 and control
Chip U28 pins 5 are connected, and optocoupler U18 pins 4 are connected with control chip U28 pins 6, optocoupler U19 pins 4 and control chip U28
Pin 7 is connected, and the effect of temperature sensing circuit is that the temperature feeding central controller for detecting main circuit power device is analyzed
Processing, is made up of, optocoupler U16 pins 1 are connected to power supply+5V by resistance R71 connector J2, resistance R71~R73, optocoupler U16,
Optocoupler U16 pins 2 are connected with connector J2 pins 2, and plug-in unit J2 pins 1 are connected to power supply 0V, and optocoupler U16 pins 3 are connected to power supply 0V,
Optocoupler U16 pins 4 are connected to power supply+5V by resistance R72, and optocoupler U16 pins 4 pass through resistance R73 and control chip U28 pins 27
It is connected, the effect of current detection circuit is detection U, V, W three-phase output current and the center control of DC bus current feeding respectively
Device is analyzed and processed, by connector J4, inductance L2~L5, resistance R12~R14, resistance R44~R47, resistance R49~R53,
Electric capacity C41~C52, resistance R17, resistance R19, resistance R55~R59, resistance R63, resistance R64, operational amplifier U24 A portions
Divide U24A, operational amplifier U24 C portion U24C, operational amplifier U24 D parts U24D compositions, connector J4 pins 1 connect
To power supply+12V, connector J4 pins 2 are connected to power supply -12V, and connector J4 pins 3 pass through inductance L4, resistance R52 and diode
D14 anodes are connected, and one end is connected with connector J4 pins 3 after resistance R45, resistance R49, electric capacity C45 are in parallel, another to be connected to electricity
Source 0V, electric capacity C48 one end are connected with inductance L4 and resistance R52 series connection nodes, and the another of electric capacity C48 is connected to power supply 0V, electricity
The one end for holding C51 is connected with diode D14 anodes, and the another of electric capacity C51 is connected to power supply 0V, and connector J4 pins 4 pass through electricity
Sense L3, resistance R51 are connected with diode D13 anodes, and one end and connector J4 draw after resistance R44, resistance R47, electric capacity C51 are in parallel
Pin 4 is connected, and another to be connected to power supply 0V, electric capacity C47 one end is connected with inductance L3 and resistance R51 series connection nodes, electric capacity C47's
Another to be connected to power supply 0V, electric capacity C50 one end is connected with diode D13 anodes, and the another of electric capacity C50 is connected to power supply 0V,
Connector J4 pins 5 are connected by inductance L2, resistance R14 with diode D15 anodes, and resistance R12, resistance R13, electric capacity C41 are simultaneously
One end is connected with connector J4 pins 5 after connection, another to be connected to power supply 0V, and electric capacity C42 one end and inductance L2 and resistance R14 go here and there
Interlink point is connected, and the another of electric capacity C42 is connected to power supply 0V, and electric capacity C43 one end is connected with diode D15 anodes, electric capacity C43
It is another be connected to power supply 0V, connector J4 pins 6 are connected by inductance L5, resistance R53 with diode D15 anodes, resistance
One end is connected with connector J4 pins 6 after R46, resistance R50, electric capacity C46 are in parallel, another to be connected to power supply 0V, the one of electric capacity C49
End is connected with inductance L5 and resistance R53 series connection nodes, and the another of electric capacity C49 is connected to power supply 0V, electric capacity C52 one end and two poles
Pipe D15 anodes are connected, and the another of electric capacity C52 is connected to power supply 0V, and operational amplifier U24 pins 12 are connected to electricity by resistance R58
Source+5V, operational amplifier U24 pin 12 is connected to power supply 0V, operational amplifier U24 pins 13 and operation amplifier by resistance R59
Device U24 pins 14, which are connected, obtains power supply+2.5V, and operational amplifier U24 pins 3 pass through resistance R17 and diode D16 anode phases
Even, operational amplifier U24 pins 3 cross resistance R19 and are connected to power supply+2.5V, and resistance R63 two ends are drawn with operational amplifier U24 respectively
Pin 1, pin 2 are connected, and operational amplifier U24 pins 2 are connected to power supply 0V, operational amplifier U24 pins 1 and control by resistance R55
Coremaking piece U28 pin 2 is connected, and operational amplifier U24 pins 10 are connected by resistance R56 with diode D13 anodes, and computing is put
Big device U24 pins 10 cross resistance R61 and are connected to power supply+2.5V, resistance R64 two ends respectively with operational amplifier U24 pins 8, pin 9
It is connected, operational amplifier U24 pins 9 are connected to power supply 0V, operational amplifier U24 pins 8 and control chip U28 by resistance R57
Pin 3 be connected, whether the effect of overcurrent sensing circuit is any two-phase for detecting three-phase alternating current output in overcurrent feeding
Centre controller is analyzed and processed, by diode D12~D16, operational amplifier U30 part B U30B, resistance R66, resistance
R68, resistance R86 are constituted, and diode D13~D16 negative electrode is connected with operational amplifier U30 pins 6 respectively, resistance R66 two ends
It is connected respectively with operational amplifier U30 pins 5, pin 7, resistance R86 pins 3 are connected with operational amplifier U30 pins 5, resistance
R86 pins 1 are connected to power supply+5V, and resistance R86 pins 2 are connected to power supply 0V, diode D12 negative electrodes and operational amplifier U30 pins 7
It is connected, diode D12 anodes are connected to power supply+5V by resistance R68, and operational amplifier U30 pins 7 and control chip U28's draws
Pin 18 is connected, and voltage detecting circuit effect is that detection DC bus-bar voltage feeding central controller is analyzed and processed, by resistance
R43, resistance R48, voltage sensor U29, resistance R54, electric capacity C77 composition, voltage sensor U29 pins 1 by resistance R43,
Resistance R48 is connected with the second inversion unit U23 positive input terminals, and voltage sensor U29 pins 2 and the second inversion unit U23 are just defeated
Enter end to be connected, voltage sensor U29 pins 3 are connected to power supply -12V, voltage sensor U29 pins 5 are connected to power supply+12V, and voltage is passed
Sensor U29 pins 4 are connected with operational amplifier U30 pins 2, one end and voltage sensor after resistance R54 is in parallel with electric capacity C77
U29 pins 4 are connected, and another to be connected to power supply 0V, voltage sensor U29 pins 4 are connected with control chip U28 pin 4, excessively electric
Pressure detection circuit function is that whether overvoltage feeding central controller is analyzed and processed detection DC bus-bar voltage, is put by computing
Big device U30 part A U30A, diode D11, resistance R60, resistance R62, resistance R85 compositions, resistance R60 two ends respectively with fortune
Calculate amplifier U30 pins 1, pin 3 to be connected, resistance R85 pins 3 are connected with operational amplifier U30 pins 3, resistance R85 pins 1
Power supply+5V is connected to, resistance R85 pins 2 are connected to power supply 0V, and diode D11 negative electrodes are connected with operational amplifier U30 pins 1, two poles
Pipe D12 anodes are connected to power supply+5V by resistance R62, and operational amplifier U30 pins 1 are connected with control chip U28 pin 17,
The power supply of central controller controls circuit chip and IGBT driving are powered by Voltage stabilizing module U8~U12, Voltage stabilizing module U26, electricity
Hold C1, electric capacity C2, electric capacity C21~C23, electric capacity C40 to realize, Voltage stabilizing module U8~U12 positive input terminal is connected to power supply 12V,
Voltage stabilizing module U8~U12 negative input end is connected to power supply 0V, and Voltage stabilizing module U8 positive output end is connected to drive module U1 pins 4,
Voltage stabilizing module U8 negative output terminal is connected to drive module U1 pins 6, and Voltage stabilizing module U9 positive output end is connected to drive module U2 and drawn
Pin 4, Voltage stabilizing module U9 negative output terminal is connected to drive module U2 pins 6, and Voltage stabilizing module U10 positive output end is connected to drive module
U3 pins 4, Voltage stabilizing module U10 negative output terminal is connected to drive module U3 pins 6, and Voltage stabilizing module U11 positive output end is connected to drive
Dynamic model block U4~U7 pin 4, Voltage stabilizing module U11 negative output terminal is connected to drive module U4~U7 pin 6, Voltage stabilizing module
U12 positive output end is power supply+12V, and Voltage stabilizing module U12 negative output terminal is power supply -12V, Voltage stabilizing module U12 public output
Hold as power supply 0V, electric capacity C1 is in parallel with C22, and electric capacity C1 positive poles are connected to power supply 0V, and electric capacity C1 negative poles are connected to power supply -12V, electric capacity C2
In parallel with C23, electric capacity C2 positive poles are connected to power supply+12V, and electric capacity C2 negative poles are connected to power supply 0V, and Voltage stabilizing module U26 pins 1 are connected to electricity
Source+12V, Voltage stabilizing module U26 pin 2 is connected to power supply 0V, and Voltage stabilizing module U26 pins 3 out-put supply+5V, electric capacity C21 and C40 are simultaneously
Connection, electric capacity C21 positive poles are connected to power supply+5V, and electric capacity C21 negative poles are connected to power supply 0V, programming port J5, crystal oscillator Y1, electric capacity C69, electric capacity
C70, resistance R30, control chip U28 composition central controllers, crystal oscillator Y1, electric capacity C69, electric capacity C70 are clock circuit, are center
Controller provides operating clock signals, and resistance R37~R42, resistance R69, electric capacity C71~C76, electric capacity C78 are to central controller
The pwm signal of output carries out processing feeding drive circuit, and programming port J5 pins 1 are connected with control chip U28 pins 1, programming port
J5 pins 2 are connected to power supply+5V, and programming port J5 pins 2 are connected to power supply 0V, the phase of programming port J5 pins 4 and control chip U28 pins 25
Even, programming port J5 pins 5 are connected with control chip U28 pins 26, crystal oscillator Y1 two ends respectively with control chip U28 pins 13, draw
Pin 14 is connected, and electric capacity C69 one end is connected with control chip U28 pins 13, and electric capacity C69 is another to be connected to power supply 0V, electric capacity C70 mono-
End is connected with control chip U28 pins 14, and electric capacity C70 is another to be connected to power supply 0V, and control chip U28 pins 1 pass through resistance R30
Power supply+5V is connected to, control chip U28 pin 11, pin 21, pin 32, pin 40 are respectively connected to power supply+5V, control chip
U28 pin 12, pin 20, pin 31, pin 39 is respectively connected to power supply 0V, and control chip U28 pins 28 are connect by resistance R69
To drive module U7 pins 14, electric capacity C78 is in parallel with resistance R69, and control chip U28 pins 33 are connected to driving by resistance R42
Module U6 pins 14, electric capacity C76 is in parallel with resistance R42, and control chip U28 pins 34 are connected to drive module U3 by resistance R41
Pin 14, electric capacity C75 is in parallel with resistance R41, and control chip U28 pins 35 are connected to drive module U5 pins 14 by resistance R40,
Electric capacity C74 is in parallel with resistance R40, and control chip U28 pins 36 are connected to drive module U2 pins 14, electric capacity C73 by resistance R39
In parallel with resistance R39, control chip U28 pins 37 are connected to drive module U4 pins 14, electric capacity C72 and resistance by resistance R38
R38 is in parallel, and control chip U28 pins 38 are connected to drive module U1 pins 14 by resistance R37, and electric capacity C71 and resistance R37 is simultaneously
Connection, central controller carries out Treatment Analysis according to the signal obtained in detection circuit, and output signal controls D.C. contactor KM1,
The electric routing resistance R65, resistance R67, triode Q1, connector J3, relay K1, optocoupler U20 compositions, optocoupler U20 pins 1 lead to
Cross resistance R65 with control chip U28 pins 29 to be connected, optocoupler U20 pins 2 are connected to power supply 0V, optocoupler U20 pins 4 are connected to power supply
12V, optocoupler U20 pin 3 is connected by resistance R67 with triode Q1 base stages, triode Q1 colelctor electrodes and relay K1 coils one
End is connected, and relay K1 coils are another to be connected to power supply 12V, and an end of relay K1 normally opened contacts is connected to power supply 12V, relay
The other end of K1 normally opened contacts is connected with connector J3 pins 1, and connector J3 pins 2 are connected to power supply 0V, triode Q1 emitter stages
Power supply 0V is connected to, the U-phase upper arm drive circuit of inverse changing driving circuit is by resistance R1, resistance R15, diode D1, electric capacity C7, electric capacity
C9, electric capacity C26, electric capacity C28 compositions, U phase underarm drive circuits are by resistance R16, resistance R18, diode D2, electric capacity C8, electric capacity
C10, electric capacity C27, electric capacity C29 compositions, drive module U1~U7 pins 13 are connected to power supply 0V, and electric capacity C9 is in parallel with electric capacity C28, electricity
Hold C9 positive poles be connected with drive module U1 pins 4, electric capacity C9 negative poles are connected with drive module U1 pins 6, electric capacity C7, electric capacity C26,
Diode D1 is in parallel, and electric capacity C7 positive poles are connected with diode D1 negative electrodes, and electric capacity C7 positive poles are drawn by resistance R15 with drive module U1
Pin 4 is connected, and electric capacity C7 negative poles are connected with drive module U1 pins 6, and drive module U1 pins 5 pass through resistance R1 and the second inversion list
First U23 GUP pins 20 are connected, and electric capacity C7 positive poles are connected with the second inversion unit U23 EUP pins 21, electric capacity C10 and electricity
Hold C29 in parallel, electric capacity C10 positive poles are connected with drive module U4 pins 4, and electric capacity C10 negative poles are connected with drive module U4 pins 6,
Electric capacity C8, electric capacity C27, diode D2 are in parallel, and electric capacity C8 positive poles are connected with diode D2 negative electrodes, and electric capacity C8 positive poles pass through resistance
R16 is connected with drive module U4 pins 4, and electric capacity C8 negative poles are connected with drive module U4 pins 6, and drive module U4 pins 5 pass through
Resistance R18 is connected with the second inversion unit U23 GUN pins 4, electric capacity C8 positive poles and the second inversion unit U23 EUN pins
5 are connected, and V-phase upper arm drive circuit is by resistance R2, resistance R20, diode D3, electric capacity C11, electric capacity C13, electric capacity C30, electric capacity
C32 is constituted, and V phase underarm drive circuits are by resistance R21, resistance R22, diode D4, electric capacity C12, electric capacity C14, electric capacity C31, electricity
Hold C33 compositions, electric capacity C13 is in parallel with electric capacity C32, and electric capacity C13 positive poles are connected with drive module U2 pins 4, electric capacity C13 negative poles and
Drive module U2 pins 6 are connected, and electric capacity C11, electric capacity C30, diode D3 are in parallel, electric capacity C11 positive poles and diode D3 negative electrode phases
Even, electric capacity C11 positive poles are connected by resistance R20 with drive module U2 pins 4, electric capacity C11 negative poles and the phase of drive module U2 pins 6
Even, drive module U2 pins 5 are connected by resistance R2 with the second inversion unit U23 GVP pins 22, electric capacity C11 positive poles and the
Two inversion unit U23 EVP pins 23 are connected, and electric capacity C14 is in parallel with electric capacity C33, and electric capacity C14 positive poles draw with drive module U5
Pin 4 is connected, and electric capacity C14 negative poles are connected with drive module U5 pins 6, and electric capacity C12, electric capacity C31, diode D4 are in parallel, electric capacity C12
Positive pole is connected with diode D4 negative electrodes, and electric capacity C12 positive poles are connected by resistance R21 with drive module U5 pins 4, and electric capacity C12 is born
Pole is connected with drive module U5 pins 6, and drive module U5 pins 5 pass through resistance R22 and the second inversion unit U23 GVN pins
6 are connected, and electric capacity C12 positive poles are connected with the second inversion unit U23 EVN pins 7, and W phase upper arm drive circuits are by resistance R3, electricity
Hinder R23, diode D5, electric capacity C15, electric capacity C17, electric capacity C34, electric capacity C36 composition, W phase underarm drive circuits by resistance R24,
Resistance R25, diode D6, electric capacity C16, electric capacity C18, electric capacity C35, electric capacity C37 compositions, electric capacity C17 are in parallel with electric capacity C36, electricity
Hold C17 positive poles with drive module U3 pins 4 to be connected, electric capacity C17 negative poles are connected with drive module U3 pins 6, electric capacity C15, electric capacity
C34, diode D5 are in parallel, and electric capacity C15 positive poles are connected with diode D5 negative electrodes, and electric capacity C15 positive poles pass through resistance R23 and driving mould
Block U3 pins 4 are connected, and electric capacity C15 negative poles are connected with drive module U3 pins 6, and drive module U3 pins 5 pass through resistance R3 and the
Two inversion unit U23 GWP pins 24 are connected, and electric capacity C15 positive poles are connected with the second inversion unit U23 EWP pins 25, electricity
Appearance C18 is in parallel with electric capacity C37, and electric capacity C18 positive poles are connected with drive module U6 pins 4, and electric capacity C18 negative poles draw with drive module U6
Pin 6 is connected, and electric capacity C16, electric capacity C35, diode D6 are in parallel, and electric capacity C16 positive poles are connected with diode D6 negative electrodes, and electric capacity C16 is just
Pole is connected by resistance R24 with drive module U6 pins 4, and electric capacity C16 negative poles are connected with drive module U6 pins 6, drive module
U6 pins 5 are connected by resistance R25 with the second inversion unit U23 GWN pins 8, electric capacity C16 positive poles and the second inversion unit
U23 EWN pins 9 are connected, and brake unit drive circuit is by resistance R26, resistance R27, diode D7, electric capacity C19, electric capacity
C20, electric capacity C38, electric capacity C39 compositions, electric capacity C20 are in parallel with electric capacity C39, electric capacity C20 positive poles and the phase of drive module U7 pins 4
Even, electric capacity C20 negative poles are connected with drive module U7 pins 6, and electric capacity C19, electric capacity C38, diode D7 are in parallel, electric capacity C19 positive poles
Be connected with diode D6 negative electrodes, electric capacity C19 positive poles are connected by resistance R26 with drive module U7 pins 4, electric capacity C19 negative poles with
Drive module U7 pins 6 are connected, and drive module U7 pins 5 are connected by resistance R27 with power device V1 grids, and electric capacity C19 is just
Pole is connected with power device V1 emitter stages, in boost control circuit after resistance R28, resistance R29 partial pressures, passes through operational amplifier
+ 6V voltages are obtained after the voltage follower that U25 C portion U25C is constituted, operational amplifier U27 part A U27A is reversely inputted
Terminal voltage is obtained with+6V voltages after the subtracter being made up of resistance R81~R84, operational amplifier U25 part B U25B
Voltage signal after the voltage follower that operational amplifier U25 part A U25A is constituted obtained voltage pass through resistance R78
~R80, diode D17, diode D18, diode D21 charge and discharges electric network carry out discharge and recharge to electric capacity C83, on electric capacity C83
Obtain given voltage signal QG, operational amplifier U25 pin 10 and power supply+12V is connected to by resistance R28, operational amplifier U25 draws
Pin 10 is connected to power supply 0V by resistance R29, operational amplifier U25 pins 8 be connected with operational amplifier U25 pins 9 obtain power supply+
6V, operational amplifier U25 pin 5 is connected to power supply+6V by resistance R84, and operational amplifier U25 pins 5 are connected to by resistance R83
Power supply 0V, operational amplifier U25 pin 6 is connected by resistance R82 with operational amplifier U27 pins 2, resistance R81 two ends difference
It is connected with operational amplifier U25 pins 6, pin 7, operational amplifier U25 pins 3 are connected with operational amplifier U25 pins 7, transports
Amplifier U25 pins 1 are calculated with operational amplifier U25 pins 2 to be connected, resistance R80 connected with diode D21 after with resistance R79 simultaneously
Connection, diode D21 negative electrodes are connected with operational amplifier U25 pins 1, and the resistance R80 other end is connected with electric capacity C83 positive poles, electricity
Hold C83 negative poles and be connected to power supply 0V, resistance R78 connects with diode D17, and the resistance R78 other end is connected with electric capacity C83 positive poles,
Diode D17 negative electrodes are connected with operational amplifier U27 pins 7, and diode D18 anodes are connected with diode D17 anodes, diode
D18 negative electrodes are connected with operational amplifier U27 pins 1, and current protection indicating circuit is made up of resistance R77, diode D19, computing
Amplifier U27 part A U27A and resistance R76 constitutes hysteresis loop comparator, when anti-phase input terminal voltage is more than in-phase input end electricity
Pressure, i.e., on resistance R117 during resulting voltage, output end is low potential, when anti-phase input terminal voltage is less than in-phase input end
During voltage, output end is high potential, changes the protection value of output current, resistance R117 pins 1 by adjusting resistance R117 values
+ 5V power supplys are connected to, resistance R117 pins 3 are connected to power supply 0V, and resistance R117 pins 2 are connected with operational amplifier U27 pins 3, transported
Calculate amplifier U27 pins 3 by resistance R76 with operational amplifier U27 pins 1 to be connected, resistance R77 is connected with diode D19, two
Pole pipe D19 anodes are connected to+5V power supplys, and the resistance R77 other ends are connected with operational amplifier U27 pins 1, overvoltage indicating circuit by
Resistance R74, diode D20 are constituted, and operational amplifier U27 part B U27B and resistance R75 constitute hysteresis loop comparator, when anti-phase
Input terminal voltage is more than homophase input terminal voltage, i.e., on resistance R116 during resulting voltage, output end is low potential, when anti-
When phase input terminal voltage is less than homophase input terminal voltage, output end is high potential, and output is changed by adjusting resistance R116 values
The protection value of voltage, resistance R116 pins 1 are connected to+5V power supplys, and resistance R116 pins 3 are connected to power supply 0V, resistance R116 pins 2 with
Operational amplifier U27 pins 5 are connected, and operational amplifier U27 pins 5 are connected by resistance R75 with operational amplifier U27 pins 7,
Resistance R74 and diode D20, diode D20 negative electrodes are connected with operational amplifier U27 pins 7, and resistance R74 is another to be connected to+5V
Power supply, given voltage signal QG is arrived through electric capacity C53~C55, resistance R87~R89, operational amplifier the U31 filter network constituted
Control chip U33 5 pin, provide Setting signal, resistance R87 one end is connected with electric capacity C53, and electric capacity C53 is another for U33 work
Power supply 0V is connected to, the resistance R87 other end is connected with operational amplifier U31 in-phase input end, resistance R88 and electric capacity C54
One end is connected with operational amplifier U31 in-phase input end after parallel connection, another to be connected to power supply 0V, and operational amplifier U31's is anti-
Phase input is connected with output end, and control chip U33 pins 5, control chip U33 pin 5 and electricity are connected to by resistance R89
Hold C55 one end to be connected, electric capacity C55 is another to be connected to power supply 0V, and resistance R90, resistance R92, electric capacity C79, electric capacity C80 make control core
Piece U33 work can soft start, resistance R92 is in parallel with electric capacity C80, electric capacity C80 positive pole and control chip U33 pins 1, electric capacity
C80 negative pole is connected to power supply 0V, and resistance R90 connects with electric capacity C79, and electric capacity C79 negative pole is connected to power supply 0V, and electric capacity C80 is just
Pole and control chip U33 pins 2, the resistance R90 other end are connected with control chip U33 pins 1, and current sensor becomes to high frequency
Depressor T1 primary side currents sampled obtained by signal by resistance R97~R101, electric capacity C63 constitute filter network to control
Chip U33 4 pin, provide Setting signal, resistance R99 connects with resistance R101, and resistance R101's is another for control chip U33 work
One end is connected with the output of current sensor, and the resistance R99 other end is connected with control chip U33 pins 4, control chip U33
Pin 4 is connected to -15V power supplys by resistance R97, and control chip U33 pins 4 are connected to power supply 0V, harmonic compensation electricity by resistance R98
Routing resistance R94, resistance R95, electric capacity C57, electric capacity C60, operational amplifier U32 compositions, operational amplifier U32 homophase input
End is connected with control chip U33 pins 8, and operational amplifier U32 inverting input is connected with output end, resistance R94, electric capacity
In parallel with resistance R95 and electric capacity C57 after C60 series connection, electric capacity C57 one end is connected with control chip U33 pins 4, and electric capacity C57 is another
End is connected with operational amplifier U32 output ends, and concussion timing circuit is by resistance R91, resistance R93, electric capacity C56, electric capacity C58 groups
Into, resistance R91 is in parallel with resistance R93, and one end is connected with control chip U33 pins 8, another to be connected to power supply 0V, electric capacity C56 with
Electric capacity C58 is in parallel, and one end is connected with control chip U33 pins 9, and another to be connected to power supply 0V, current sensor is to high frequency transformation
Device T1 primary side currents sampled obtained by signal by resistance R100~R102, electric capacity C62, electric capacity C63 be control chip U33
Outside shut-off is provided, resistance R101 and resistance R102 is connected in series to control chip U33 pins 16, resistance R100 and electric capacity C62
Parallel connection, one end is connected with control chip U33 pins 16, another to be connected to power supply 0V, and resistance R96 is control chip U33 output stages
The protective resistance of bias voltage input, electric capacity C59, electric capacity C61, electric capacity C81, electric capacity C82 are filter capacitor, resistance R96 two ends
It is connected respectively with control chip U33 pins 13, pin 15, electric capacity C59 is in parallel with electric capacity C81, one end and control chip U33 pins
15 are connected, and another to be connected to power supply 0V, electric capacity C61 is in parallel with electric capacity C82, and one end is connected with control chip U33 pins 13, another
Power supply 0V is connected to, electric capacity C59, electric capacity C61, electric capacity C81, electric capacity C82 are filter capacitor, by resistance R103~R105, resistance
R113, resistance R114, diode D22, diode D23, triode Q2~Q5, electric capacity C68 composition full-bridge circuits, two paths of signals warp
Cross isolating transformer T2, isolating transformer T3, resistance R106~R112, resistance R115, diode D24~D27, electric capacity C64~
C67 is changed into four road signals and drives the first inversion unit U21, and triode Q2 base stage is drawn by resistance R103 with control chip U33
Pin 14 be connected, triode Q4 base stage is connected by resistance R104 with control chip U33 pins 14, diode D22 negative electrode and
Control chip U33 pins 14 are connected, and diode D22 anode is connected to power supply 0V, triode Q3 base stage by resistance R105 with
Control chip U33 pins 11 are connected, and triode Q5 base stage is connected by resistance R113 with control chip U33 pins 11, two poles
Pipe D23 negative electrode is connected with control chip U33 pins 11, and diode D11 anode is connected to power supply 0V, triode Q2 colelctor electrodes with
Triode Q4 colelctor electrodes be connected after is connected with isolating transformer T2 and isolating transformer T3 pin 1, triode Q3 colelctor electrodes and
After triode Q5 colelctor electrodes are connected, it is connected with one end after resistance R114 and electric capacity C68 parallel connections, resistance R114 and electric capacity C68 are simultaneously
The other end after connection is connected with isolating transformer T2 and isolating transformer T3 pin 2, and triode Q4 emitter stages are connected to power supply 0V,
Triode Q5 emitter stages are connected to power supply 0V, and triode Q2 emitter stages are connected with triode Q3 emitter stages, diode D24 and resistance
In parallel with resistance R106 after R110 series connection, diode D24 negative electrodes are connected with isolating transformer T2 pins 6, and resistance R110's is another
End is connected with electric capacity C64 one end, and the electric capacity C64 other ends are connected with isolating transformer T2 pins 5, diode D25 and resistance R111
In parallel with resistance R107 after series connection, diode D25 negative electrodes are connected with isolating transformer T2 pins 3, the resistance R111 other end with
Electric capacity C65 one end is connected, and the electric capacity C65 other ends are connected with isolating transformer T2 pins 4, and diode D26 connects with resistance R112
In parallel with resistance R108 afterwards, diode D26 negative electrodes are connected with isolating transformer T3 pins 6, resistance the R112 other end and electric capacity
C66 one end be connected, the electric capacity C66 other ends are connected with isolating transformer T3 pins 5, diode D27 connected with resistance R115 after and
Resistance R109 is in parallel, and diode D27 negative electrodes are connected with isolating transformer T3 pins 3, resistance the R115 other end and electric capacity C67 mono-
End is connected, and the electric capacity C67 other ends are connected with isolating transformer T3 pins 4, respectively in electric capacity C64, electric capacity C65, electric capacity C66, electricity
Appearance C67 two ends obtain four road signals and send to the first inversion unit U21 of driving.Main circuit and control circuit are respectively mounted in the housing.
The advantage of the invention is that：Using vector frequency conversion control technology, a kind of synchronous frequency conversion formula alternating current generator frequency conversion is designed
Controller, the i.e. controller retain the hardware features of conventional vector frequency-variable controller, and design control circuit uses synchronization control circuit,
I.e.：Internal combustion engine generator group as power is operated in speed variable operating mode, and the rotating speed of internal combustion engine generator group is gathered by sensor
Or the frequency signal of the AC power of output, by the control circuit of particular design, control the exchange of the controller to export, make defeated
The frequency and the Frequency Synchronization of voltage and input AC electricity for going out alternating current change, the rotating speed of control and adjustment alternating current generator, so that
Both remained the need for vector controller meets alternating current generator hardware features, the output frequency and generating unit speed of controller are made again（Machine
The frequency of group output）It is synchronous, reach the purpose that alternating current generator rotating speed is controlled by unit prime mover gas pedal, realization internal combustion
The gas pedal control engineer machinery operation mechanism action of hair unit prime mover and chassis realize that variable speed is walked, in this way, making
Engineering machinery simulated automotive walking operating mode is possibly realized.
Brief description of the drawings
Fig. 1 is circuit connecting relation schematic diagram of the present invention；
Fig. 2 is that Fig. 2 bottoms connect with Fig. 4 tops with connecting on the left of Fig. 3 on the right side of one of electrical schematic diagram of the present invention, Fig. 2；
Fig. 3 is that Fig. 3 bottoms connect with Fig. 5 tops with connecting on the right side of Fig. 2 on the left of two, Fig. 3 of electrical schematic diagram of the present invention；
Fig. 4 is that three, Fig. 4 tops of electrical schematic diagram of the present invention connect with Fig. 2 bottoms, with connecting on the left of Fig. 5 on the right side of Fig. 4；
Fig. 5 is that four, Fig. 5 tops of electrical schematic diagram of the present invention connect with Fig. 3 bottoms, with connecting on the right side of Fig. 4 on the left of Fig. 5；
Fig. 6 is main in schematic structural view of the invention, figure to show main circuit and control circuit is installed in the housing.
Embodiment
Synchronous frequency conversion formula alternating current generator vector frequency conversion control device of the present invention includes main circuit 61 and control circuit 62,
Main circuit 61 includes rectifier 1, and the output end of rectifier 1 is connected with the input of wave filter 2, the output end of wave filter 2 and the
The input connection of one inversion unit 3, the output end of the first inversion unit 3 is connected with the input of the main voltage transformation unit of high frequency 4, high
Frequently the output end of main voltage transformation unit 4 is connected with the input of hf rectifier 5, the output end and High frequency filter of hf rectifier 5
The input connection of device 6, the output end of high frequency filter 6 is connected with the input of brake unit 7, the output end of brake unit 7
It is connected, the output end of the second inversion unit 8 is connected with the input of load motor 13, controls with the input of the second inversion unit 8
Circuit 62 processed includes detection unit 9, central controller 10, inverse changing driving circuit 11 and boost control circuit 12.Patent of the present invention
Be to provide it is a kind of with frequency conversion, transformation exchange internal combustion engine generator group as power, realize alternating current generator is carried out variable frequency regulating speed control,
Reach that variable speed drives the electrical equipment of purpose.Controlling to hand over using the controller as the internal combustion engine generator group for providing power
When flowing motor driving, it is to be operated in speed variable operating mode, passes through unit prime mover gasoline engine, diesel engine or natural gas engine
Gas pedal controls the operating rotating speed of unit, makes unit to one natural frequency conversion of controller output, the alternating current of transformation.The control
Device exports variable frequency, an alternating current for variable voltage, and the ac frequency of output is synchronous with the ac frequency inputted
Change.So as to realization unit prime mover gas pedal control exchange operation and movable motor variable speed, reach simulated automotive
The purpose for characteristic of walking.Present invention reduces the energy consumption during walking of chassis, reach raising efficiency and greatly reduce the mesh of cost
, while the noise that sends of generating set when reducing chassis walking, make it possible that electric vehicle simulated automotive is walked operating mode.
The annexation of main circuit 61 of the present invention and control circuit 62 is as follows：Rectifier U13 is by the voltage of input, frequency
The variable three-phase alternating current of rate by being rectified into direct current after rectifier U13, wave filter 2 by resistance R70, D.C. contactor KM1,
Connector J1, electric capacity C3, electric capacity C4, electric capacity C24, resistance R6, resistance R7 compositions, electric capacity C24 is Absorption Capacitance, electric capacity C3, electricity
Appearance C4 is filter capacitor, and resistance R6, resistance R7 are equalizing resistance, and rectifier U13 positive output ends pass through resistance R70 and the first inversion
Unit U21 positive input terminals are connected, and rectifier U13 negative output terminals are connected with the first inversion unit U21 negative input ends, D.C. contactor
KM1 normally opened contacts are in parallel with resistance R70, and D.C. contactor KM1 coils two ends are connected with connector J1 pins 1,2, electric capacity C24 mono-
End is connected with the first inversion unit U21 positive input terminals, and the electric capacity C24 other ends are connected with the first inversion unit U21 negative input ends, electricity
Hold C3 to connect with electric capacity C4, electric capacity C3 positive poles are connected with the first inversion unit U21 positive input terminals, electric capacity C4 negative poles and the first inversion
Unit U21 negative input ends are connected, and resistance R6 is in parallel with electric capacity C3, and resistance R7 is in parallel with electric capacity C4, and the first inversion unit U21 will be defeated
The direct current entered passes through first inversion unit U21 inverter output frequency 10 ~ 100kHz high-frequency alternating currents, the main voltage transformation unit 4 of high frequency
Medium/high frequency transformer T1 first side winding two ends input high-frequency alternating current, high frequency transformer T1 secondary side winding two ends are carried out
Output, the alternating current that high frequency transformer T1 secondary side windings two ends are obtained exports direct current by hf rectifier U22 rectifications, high
Frequency wave filter 6 is made up of reactor L1, electric capacity C25, electric capacity C5, electric capacity C6, resistance R9, resistance R10, and L1 is reactor, electric capacity
C25 is Absorption Capacitance, and electric capacity C5, electric capacity C6 are filter capacitor, and resistance R9, resistance R10 are equalizing resistance, hf rectifier U22
Positive output end is connected by reactor L1 with the second inversion unit U23 positive input terminals, hf rectifier U22 negative output terminals and second
Inversion unit U23 negative input ends are connected, and electric capacity C25 one end is connected with the second inversion unit U23 positive input terminals, and electric capacity C25 is another
End is connected with the second inversion unit U23 negative input ends, and electric capacity C5 connects with electric capacity C6, electric capacity C5 positive poles and the first inversion unit
U21 positive input terminals are connected, and electric capacity C6 negative poles are connected with the first inversion unit U21 negative input ends, and resistance R9 is in parallel with electric capacity C5, electricity
Resistance R10 is in parallel with electric capacity C6, and brake unit 7 is made up of resistance R11 and power device V1, and power device V1 colelctor electrodes pass through resistance
R11 is connected with the second inversion unit U23 positive input terminals, power device V1 emitter stages and the second inversion unit U23 negative input end phases
Even, the direct current of the second inversion unit U23 inputs becomes by the way that the second inversion unit U23 inverter output frequencies are synchronous with incoming frequency
The effect for changing and having zero cross detection circuit in the alternating current suitable for motor " hardware features ", detection unit 9 is detection frequency letter
Number feeding central controller is analyzed and processed, and is made up of resistance R4, resistance R5, resistance R8, optocoupler U14, optocoupler U15, optocoupler
U14 pins 1 are connected to three-phase alternating current R phases by resistance R4 and resistance R5, and optocoupler U14 pins 2 are connected to three-phase alternating current S-phase, light
Coupling U14 pins 1 are connected with optocoupler U15 pins 2, and optocoupler U14 pins 1 are connected with optocoupler U15 pins 1, optocoupler U14 pins 3 and light
Coupling U15 pins 3 are connected, and optocoupler U14 pins 4 are connected with optocoupler U15 pins 4, and optocoupler U14 pins 3 are connected to power supply 0V, optocoupler U14
Pin 4 is connected to power supply+5V by resistance R8, and optocoupler U14 pins 4 are connected with control chip U28 pins 30, position detecting circuit
Effect is to detect that position feeding central controller of the main rotor in motion process is analyzed and processed, by connector J6, two poles
Pipe D8~D10, resistance R31~R36, optocoupler U17~U19 compositions, connector J6 pins 1 are connected to power supply 0V, connector J6 pins 2
Power supply 12V is connected to, connector J6 pins 3 are connected with diode D10 negative electrodes, and connector J6 pins 4 are connected with diode D9 negative electrodes,
Connector J6 pins 5 are connected with diode D8 negative electrodes, and optocoupler U17~U19 pins 1 are connected to power supply+5V by R31~R33 respectively,
Optocoupler U17~U19 pins 2 are connected with diode D8~D10 anodes respectively, and optocoupler U17~U19 pins 4 pass through resistance R34 respectively
~R36 is connected to power supply+5V, and optocoupler U17~U19 pins 3 are respectively connected to power supply 0V, and optocoupler U17 pins 4 and control chip U28 draws
Pin 5 is connected, and optocoupler U18 pins 4 are connected with control chip U28 pins 6, the phase of optocoupler U19 pins 4 and control chip U28 pins 7
Even, the effect of temperature sensing circuit is that the temperature feeding central controller for detecting main circuit power device is analyzed and processed, by
Connector J2, resistance R71~R73, optocoupler U16 compositions, optocoupler U16 pins 1 are connected to power supply+5V, optocoupler U16 by resistance R71
Pin 2 is connected with connector J2 pins 2, and plug-in unit J2 pins 1 are connected to power supply 0V, and optocoupler U16 pins 3 are connected to power supply 0V, optocoupler U16
Pin 4 is connected to power supply+5V by resistance R72, and optocoupler U16 pins 4 are connected by resistance R73 with control chip U28 pins 27, electricity
The effect of current detection circuit is that detection U, V, W three-phase output current and DC bus current feeding central controller are divided respectively
Analysis is handled, by connector J4, inductance L2~L5, resistance R12~R14, resistance R44~R47, resistance R49~R53, electric capacity C41
~C52, resistance R17, resistance R19, resistance R55~R59, resistance R63, resistance R64, operational amplifier U24 part A U24A,
Operational amplifier U24 C portion U24C, operational amplifier U24 D parts U24D compositions, connector J4 pins 1 be connected to power supply+
12V, connector J4 pin 2 is connected to power supply -12V, and connector J4 pins 3 pass through inductance L4, resistance R52 and diode D14 anodes
It is connected, one end is connected with connector J4 pins 3 after resistance R45, resistance R49, electric capacity C45 are in parallel, it is another to be connected to power supply 0V, electricity
The one end for holding C48 is connected with inductance L4 and resistance R52 series connection nodes, and the another of electric capacity C48 is connected to power supply 0V, electric capacity C51's
One end is connected with diode D14 anodes, and the another of electric capacity C51 is connected to power supply 0V, and connector J4 pins 4 pass through inductance L3, electricity
Resistance R51 is connected with diode D13 anodes, one end and the phase of connector J4 pins 4 after resistance R44, resistance R47, electric capacity C51 are in parallel
Even, another to be connected to power supply 0V, electric capacity C47 one end is connected with inductance L3 and resistance R51 series connection nodes, and electric capacity C47's is another
Power supply 0V is connected to, electric capacity C50 one end is connected with diode D13 anodes, and the another of electric capacity C50 is connected to power supply 0V, patches
Part J4 pins 5 are connected by inductance L2, resistance R14 with diode D15 anodes, after resistance R12, resistance R13, electric capacity C41 are in parallel
One end is connected with connector J4 pins 5, another to be connected to power supply 0V, and electric capacity C42 one end is connected section with inductance L2 and resistance R14
Point is connected, and the another of electric capacity C42 is connected to power supply 0V, and electric capacity C43 one end is connected with diode D15 anodes, and electric capacity C43's is another
One end is connected to power supply 0V, and connector J4 pins 6 are connected by inductance L5, resistance R53 with diode D15 anodes, resistance R46, electricity
One end is connected with connector J4 pins 6 after resistance R50, electric capacity C46 parallel connections, another to be connected to power supply 0V, electric capacity C49 one end and electricity
Sense L5 is connected with resistance R53 series connection nodes, and the another of electric capacity C49 is connected to power supply 0V, electric capacity C52 one end and diode D15
Anode is connected, and the another of electric capacity C52 is connected to power supply 0V, and operational amplifier U24 pins 12 are connected to power supply+5V by resistance R58,
Operational amplifier U24 pins 12 are connected to power supply 0V by resistance R59, and operational amplifier U24 pins 13 and operational amplifier U24 draws
Pin 14, which is connected, obtains power supply+2.5V, and operational amplifier U24 pins 3 are connected by resistance R17 with diode D16 anodes, and computing is put
Big device U24 pins 3 cross resistance R19 and are connected to power supply+2.5V, resistance R63 two ends respectively with operational amplifier U24 pins 1, pin 2
It is connected, operational amplifier U24 pins 2 are connected to power supply 0V, operational amplifier U24 pins 1 and control chip U28 by resistance R55
Pin 2 be connected, operational amplifier U24 pins 10 are connected by resistance R56 with diode D13 anodes, and operational amplifier U24 draws
Pin 10 crosses resistance R61 and is connected to power supply+2.5V, and resistance R64 two ends are connected with operational amplifier U24 pins 8, pin 9 respectively, computing
Amplifier U24 pins 9 are connected to power supply 0V, the operational amplifier U24 pins 8 and control chip U28 phase of pin 3 by resistance R57
Even, the effect of overcurrent sensing circuit is to detect whether overcurrent feeding central controller enters for any two-phase of three-phase alternating current output
Row analyzing and processing, by diode D12~D16, operational amplifier U30 part B U30B, resistance R66, resistance R68, resistance R86
Composition, diode D13~D16 negative electrode is connected with operational amplifier U30 pins 6 respectively, and resistance R66 is put at two ends with computing respectively
Big device U30 pins 5, pin 7 are connected, and resistance R86 pins 3 are connected with operational amplifier U30 pins 5, and resistance R86 pins 1 are connected to
Power supply+5V, resistance R86 pin 2 is connected to power supply 0V, and diode D12 negative electrodes are connected with operational amplifier U30 pins 7, diode
D12 anodes are connected to power supply+5V by resistance R68, and operational amplifier U30 pins 7 are connected with control chip U28 pin 18, electricity
Pressure detection circuit function be detection DC bus-bar voltage feeding central controller analyzed and processed, by resistance R43, resistance R48,
Voltage sensor U29, resistance R54, electric capacity C77 compositions, voltage sensor U29 pins 1 pass through resistance R43, resistance R48 and second
Inversion unit U23 positive input terminals are connected, and voltage sensor U29 pins 2 are connected with the second inversion unit U23 positive input terminals, voltage
Sensor U29 pins 3 are connected to power supply -12V, and voltage sensor U29 pins 5 are connected to power supply+12V, voltage sensor U29 pins 4
It is connected with operational amplifier U30 pins 2, one end is connected with voltage sensor U29 pins 4 after resistance R54 is in parallel with electric capacity C77,
Another to be connected to power supply 0V, voltage sensor U29 pins 4 are connected with control chip U28 pin 4, and overvoltage detection circuit is made
With being that whether overvoltage feeding central controller is analyzed and processed detection DC bus-bar voltage, by operational amplifier U30 A portions
Divide U30A, diode D11, resistance R60, resistance R62, resistance R85 compositions, resistance R60 two ends are drawn with operational amplifier U30 respectively
Pin 1, pin 3 are connected, and resistance R85 pins 3 are connected with operational amplifier U30 pins 3, and resistance R85 pins 1 are connected to power supply+5V, electricity
Resistance R85 pins 2 are connected to power supply 0V, and diode D11 negative electrodes are connected with operational amplifier U30 pins 1, and diode D12 anodes pass through
Resistance R62 is connected to power supply+5V, and operational amplifier U30 pins 1 are connected with control chip U28 pin 17, and central controller 10 is controlled
The power supply of circuit chip processed and IGBT driving power by Voltage stabilizing module U8~U12, Voltage stabilizing module U26, electric capacity C1, electric capacity C2,
Electric capacity C21~C23, electric capacity C40 realize, Voltage stabilizing module U8~U12 positive input terminal is connected to power supply 12V, Voltage stabilizing module U8~
U12 negative input end is connected to power supply 0V, and Voltage stabilizing module U8 positive output end is connected to drive module U1 pins 4, Voltage stabilizing module U8's
Negative output terminal is connected to drive module U1 pins 6, and Voltage stabilizing module U9 positive output end is connected to drive module U2 pins 4, Voltage stabilizing module
U9 negative output terminal is connected to drive module U2 pins 6, and Voltage stabilizing module U10 positive output end is connected to drive module U3 pins 4, voltage stabilizing
Module U10 negative output terminal is connected to drive module U3 pins 6, and Voltage stabilizing module U11 positive output end is connected to drive module U4~U7
Pin 4, Voltage stabilizing module U11 negative output terminal is connected to drive module U4~U7 pin 6, Voltage stabilizing module U12 positive output end
For power supply+12V, Voltage stabilizing module U12 negative output terminal is power supply -12V, and Voltage stabilizing module U12 public output is power supply 0V, electricity
Appearance C1 is in parallel with C22, and electric capacity C1 positive poles are connected to power supply 0V, and electric capacity C1 negative poles are connected to power supply -12V, and electric capacity C2 is in parallel with C23, electricity
Hold C2 positive poles and be connected to power supply+12V, electric capacity C2 negative poles are connected to power supply 0V, and Voltage stabilizing module U26 pins 1 are connected to power supply+12V, voltage stabilizing mould
Block U26 pins 2 are connected to power supply 0V, and Voltage stabilizing module U26 pins 3 out-put supply+5V, electric capacity C21 is in parallel with C40, electric capacity C21 positive poles
Power supply+5V is connected to, electric capacity C21 negative poles are connected to power supply 0V, programming port J5, crystal oscillator Y1, electric capacity C69, electric capacity C70, resistance R30, control
Coremaking piece U28 constitutes central controller, and crystal oscillator Y1, electric capacity C69, electric capacity C70 are clock circuit, and work is provided for central controller
Clock signal, the pwm signal that resistance R37~R42, resistance R69, electric capacity C71~C76, electric capacity C78 are exported to central controller enters
Row processing feeding drive circuit, programming port J5 pins 1 are connected with control chip U28 pins 1, programming port J5 pins 2 be connected to power supply+
5V, programming port J5 pin 2 is connected to power supply 0V, and programming port J5 pins 4 are connected with control chip U28 pins 25, programming port J5 pins 5
It is connected with control chip U28 pins 26, crystal oscillator Y1 two ends are connected with control chip U28 pins 13, pin 14 respectively, electric capacity C69
One end is connected with control chip U28 pins 13, and electric capacity C69 is another to be connected to power supply 0V, electric capacity C70 one end and control chip U28
Pin 14 is connected, and electric capacity C70 is another to be connected to power supply 0V, and control chip U28 pins 1 are connected to power supply+5V by resistance R30, control
Coremaking piece U28 pin 11, pin 21, pin 32, pin 40 is respectively connected to power supply+5V, control chip U28 pin 12, draws
Pin 20, pin 31, pin 39 are respectively connected to power supply 0V, and control chip U28 pins 28 are connected to drive module U7 by resistance R69 and drawn
Pin 14, electric capacity C78 is in parallel with resistance R69, and control chip U28 pins 33 are connected to drive module U6 pins 14 by resistance R42, electricity
Hold C76 in parallel with resistance R42, control chip U28 pins 34 are connected to drive module U3 pins 14 by resistance R41, electric capacity C75 and
Resistance R41 is in parallel, and control chip U28 pins 35 are connected to drive module U5 pins 14, electric capacity C74 and resistance R40 by resistance R40
Parallel connection, control chip U28 pins 36 are connected to drive module U2 pins 14 by resistance R39, and electric capacity C73 is in parallel with resistance R39, control
Coremaking piece U28 pins 37 are connected to drive module U4 pins 14 by resistance R38, and electric capacity C72 is in parallel with resistance R38, control chip
U28 pins 38 are connected to drive module U1 pins 14 by resistance R37, and electric capacity C71 is in parallel with resistance R37, central controller according to
The signal obtained in detection circuit carries out Treatment Analysis, output signal control D.C. contactor KM1, electric routing resistance R65, the electricity
R67, triode Q1, connector J3, relay K1, optocoupler U20 compositions are hindered, optocoupler U20 pins 1 pass through resistance R65 and control core
Piece U28 pins 29 are connected, and optocoupler U20 pins 2 are connected to power supply 0V, and optocoupler U20 pins 4 are connected to power supply 12V, and optocoupler U20 pins 3 lead to
Cross resistance R67 with triode Q1 base stages to be connected, triode Q1 colelctor electrodes are connected with relay K1 coils one end, relay K1 coils
Another to be connected to power supply 12V, an end of relay K1 normally opened contacts is connected to power supply 12V, the other end of relay K1 normally opened contacts
It is connected with connector J3 pins 1, connector J3 pins 2 are connected to power supply 0V, triode Q1 emitter stages are connected to power supply 0V, inversion driving
The U-phase upper arm drive circuit of circuit 11 is by resistance R1, resistance R15, diode D1, electric capacity C7, electric capacity C9, electric capacity C26, electric capacity
C28 is constituted, and U phase underarm drive circuits are by resistance R16, resistance R18, diode D2, electric capacity C8, electric capacity C10, electric capacity C27, electric capacity
C29 is constituted, and drive module U1~U7 pins 13 are connected to power supply 0V, and electric capacity C9 is in parallel with electric capacity C28, electric capacity C9 positive poles and driving mould
Block U1 pins 4 are connected, and electric capacity C9 negative poles are connected with drive module U1 pins 6, and electric capacity C7, electric capacity C26, diode D1 are in parallel, electricity
Hold C7 positive poles with diode D1 negative electrodes to be connected, electric capacity C7 positive poles are connected by resistance R15 with drive module U1 pins 4, electric capacity C7
Negative pole is connected with drive module U1 pins 6, and drive module U1 pins 5 are drawn by resistance R1 and the second inversion unit U23 GUP
Pin 20 is connected, and electric capacity C7 positive poles are connected with the second inversion unit U23 EUP pins 21, and electric capacity C10 is in parallel with electric capacity C29, electricity
Hold C10 positive poles with drive module U4 pins 4 to be connected, electric capacity C10 negative poles are connected with drive module U4 pins 6, electric capacity C8, electric capacity
C27, diode D2 are in parallel, and electric capacity C8 positive poles are connected with diode D2 negative electrodes, and electric capacity C8 positive poles pass through resistance R16 and drive module
U4 pins 4 are connected, and electric capacity C8 negative poles are connected with drive module U4 pins 6, and drive module U4 pins 5 pass through resistance R18 and second
Inversion unit U23 GUN pins 4 are connected, and electric capacity C8 positive poles are connected with the second inversion unit U23 EUN pins 5, V-phase upper arm
Drive circuit is made up of resistance R2, resistance R20, diode D3, electric capacity C11, electric capacity C13, electric capacity C30, electric capacity C32, V phase underarms
Drive circuit is made up of resistance R21, resistance R22, diode D4, electric capacity C12, electric capacity C14, electric capacity C31, electric capacity C33, electric capacity
C13 is in parallel with electric capacity C32, and electric capacity C13 positive poles are connected with drive module U2 pins 4, electric capacity C13 negative poles and drive module U2 pins
6 are connected, and electric capacity C11, electric capacity C30, diode D3 are in parallel, and electric capacity C11 positive poles are connected with diode D3 negative electrodes, electric capacity C11 positive poles
It is connected by resistance R20 with drive module U2 pins 4, electric capacity C11 negative poles are connected with drive module U2 pins 6, drive module U2
Pin 5 is connected by resistance R2 with the second inversion unit U23 GVP pins 22, electric capacity C11 positive poles and the second inversion unit U23
EVP pins 23 be connected, electric capacity C14 is in parallel with electric capacity C33, and electric capacity C14 positive poles are connected with drive module U5 pins 4, electric capacity C14
Negative pole is connected with drive module U5 pins 6, and electric capacity C12, electric capacity C31, diode D4 are in parallel, electric capacity C12 positive poles and diode D4
Negative electrode is connected, and electric capacity C12 positive poles are connected by resistance R21 with drive module U5 pins 4, electric capacity C12 negative poles and drive module U5
Pin 6 is connected, and drive module U5 pins 5 are connected by resistance R22 with the second inversion unit U23 GVN pins 6, electric capacity C12
Positive pole is connected with the second inversion unit U23 EVN pins 7, and W phase upper arm drive circuits are by resistance R3, resistance R23, diode
D5, electric capacity C15, electric capacity C17, electric capacity C34, electric capacity C36 compositions, W phase underarm drive circuits are by resistance R24, resistance R25, two poles
Pipe D6, electric capacity C16, electric capacity C18, electric capacity C35, electric capacity C37 compositions, electric capacity C17 are in parallel with electric capacity C36, and electric capacity C17 positive poles are with driving
Dynamic model block U3 pins 4 are connected, and electric capacity C17 negative poles are connected with drive module U3 pins 6, and electric capacity C15, electric capacity C34, diode D5 are simultaneously
Connection, electric capacity C15 positive poles are connected with diode D5 negative electrodes, and electric capacity C15 positive poles are connected by resistance R23 with drive module U3 pins 4,
Electric capacity C15 negative poles are connected with drive module U3 pins 6, and drive module U3 pins 5 pass through resistance R3's and the second inversion unit U23
GWP pins 24 are connected, and electric capacity C15 positive poles are connected with the second inversion unit U23 EWP pins 25, and electric capacity C18 and electric capacity C37 is simultaneously
Connection, electric capacity C18 positive poles are connected with drive module U6 pins 4, and electric capacity C18 negative poles are connected with drive module U6 pins 6, electric capacity C16,
Electric capacity C35, diode D6 are in parallel, and electric capacity C16 positive poles are connected with diode D6 negative electrodes, and electric capacity C16 positive poles are by resistance R24 with driving
Dynamic model block U6 pins 4 are connected, and electric capacity C16 negative poles are connected with drive module U6 pins 6, and drive module U6 pins 5 pass through resistance R25
It is connected with the second inversion unit U23 GWN pins 8, electric capacity C16 positive poles are connected with the second inversion unit U23 EWN pins 9,
Brake unit drive circuit is by resistance R26, resistance R27, diode D7, electric capacity C19, electric capacity C20, electric capacity C38, electric capacity C39 groups
Into electric capacity C20 is in parallel with electric capacity C39, and electric capacity C20 positive poles are connected with drive module U7 pins 4, electric capacity C20 negative poles and driving mould
Block U7 pins 6 are connected, and electric capacity C19, electric capacity C38, diode D7 are in parallel, and electric capacity C19 positive poles are connected with diode D6 negative electrodes, electric capacity
C19 positive poles are connected by resistance R26 with drive module U7 pins 4, and electric capacity C19 negative poles are connected with drive module U7 pins 6, driving
Module U7 pins 5 are connected by resistance R27 with power device V1 grids, and electric capacity C19 positive poles are connected with power device V1 emitter stages,
In boost control circuit 12 after resistance R28, resistance R29 partial pressures, the voltage being made up of operational amplifier U25 C portion U25C
+ 6V voltages are obtained after follower, operational amplifier U27 part A U27A reverse input ends voltage and+6V voltages pass through by resistance
The voltage signal obtained after R81~R84, the subtracter of operational amplifier U25 part B U25B compositions passes through operational amplifier
The voltage obtained after the voltage follower of U25 part A U25A compositions passes through resistance R78~R80, diode D17, diode
D18, diode D21 charge and discharges electric network carry out discharge and recharge to electric capacity C83, and given voltage signal QG, computing are obtained on electric capacity C83
Amplifier U25 pins 10 are connected to power supply+12V by resistance R28, and operational amplifier U25 pins 10 are connected to power supply by resistance R29
0V, operational amplifier U25 pin 8 is connected with operational amplifier U25 pins 9 obtains power supply+6V, and operational amplifier U25 pins 5 lead to
Cross resistance R84 and be connected to power supply+6V, operational amplifier U25 pins 5 are connected to power supply 0V by resistance R83, and operational amplifier U25 draws
Pin 6 is connected by resistance R82 with operational amplifier U27 pins 2, resistance R81 two ends respectively with operational amplifier U25 pins 6, draw
Pin 7 is connected, and operational amplifier U25 pins 3 are connected with operational amplifier U25 pins 7, and operational amplifier U25 pins 1 are put with computing
Big device U25 pins 2 are connected, and resistance R80 is in parallel with resistance R79 after being connected with diode D21, and diode D21 negative electrodes are put with computing
Big device U25 pins 1 are connected, and the resistance R80 other end is connected with electric capacity C83 positive poles, and electric capacity C83 negative poles are connected to power supply 0V, resistance
R78 connects with diode D17, and the resistance R78 other end is connected with electric capacity C83 positive poles, diode D17 negative electrodes and operational amplifier
U27 pins 7 are connected, and diode D18 anodes are connected with diode D17 anodes, and diode D18 negative electrodes draw with operational amplifier U27
Pin 1 is connected, and current protection indicating circuit is made up of resistance R77, diode D19, operational amplifier U27 part A U27A and electricity
Hinder R76 and constitute hysteresis loop comparator, it is when anti-phase input terminal voltage is more than homophase input terminal voltage, i.e., resulting on resistance R117
During voltage, output end is low potential, and when anti-phase input terminal voltage is less than homophase input terminal voltage, output end is high potential, is led to
Cross adjustment resistance R117 values to change the protection value of output current, resistance R117 pins 1 are connected to+5V power supplys, resistance R117 pins 3
Power supply 0V is connected to, resistance R117 pins 2 are connected with operational amplifier U27 pins 3, and operational amplifier U27 pins 3 pass through resistance
R76 is connected with operational amplifier U27 pins 1, and resistance R77 is connected with diode D19, and diode D19 anodes are connected to+5V power supplys,
The resistance R77 other ends are connected with operational amplifier U27 pins 1, and overvoltage indicating circuit is made up of resistance R74, diode D20,
Operational amplifier U27 part B U27B and resistance R75 constitutes hysteresis loop comparator, when anti-phase input terminal voltage is more than homophase input
Terminal voltage, i.e., on resistance R116 during resulting voltage, output end is low potential, when anti-phase input terminal voltage is less than with mutually defeated
When entering terminal voltage, output end is high potential, changes the protection value of output voltage by adjusting resistance R116 values, and resistance R116 draws
Pin 1 is connected to+5V power supplys, and resistance R116 pins 3 are connected to power supply 0V, and resistance R116 pins 2 are connected with operational amplifier U27 pins 5,
Operational amplifier U27 pins 5 are connected by resistance R75 with operational amplifier U27 pins 7, resistance R74 and diode D20, two poles
Pipe D20 negative electrodes are connected with operational amplifier U27 pins 7, and resistance R74 is another to be connected to+5V power supplys, and given voltage signal QG is through electricity
Hold C53~C55, resistance R87~R89, the filter network of operational amplifier U31 compositions to control chip U33 5 pin, be U33 works
Make offer Setting signal, resistance R87 one end is connected with electric capacity C53, electric capacity C53 is another to be connected to power supply 0V, and resistance R87's is another
One end is connected with operational amplifier U31 in-phase input end, one end and operational amplifier U31 after resistance R88 is in parallel with electric capacity C54
In-phase input end be connected, another to be connected to power supply 0V, operational amplifier U31 inverting input is connected with output end, passed through
Resistance R89 is connected to control chip U33 pins 5, and control chip U33 pin 5 is connected with electric capacity C55 one end, and electric capacity C55 is another
Power supply 0V is connected to, resistance R90, resistance R92, electric capacity C79, electric capacity C80 make control chip U33 work being capable of soft start, resistance
R92 is in parallel with electric capacity C80, and electric capacity C80 positive pole and control chip U33 pins 1, electric capacity C80 negative pole are connected to power supply 0V, resistance
R90 connects with electric capacity C79, and electric capacity C79 negative pole is connected to power supply 0V, electric capacity C80 positive pole and control chip U33 pins 2, resistance
The R90 other end is connected with control chip U33 pins 1, and current sensor is sampled to high frequency transformer T1 primary side currents
The filter network that gained signal is constituted by resistance R97~R101, electric capacity C63, to control chip U33 4 pin, is control chip
U33 work provides Setting signal, and resistance R99 connects with resistance R101, the output of resistance the R101 other end and current sensor
It is connected, the resistance R99 other end is connected with control chip U33 pins 4, control chip U33 pins 4 are connected to by resistance R97-
15V power supplys, control chip U33 pins 4 are connected to power supply 0V by resistance R98, harmonic compensation electricity routing resistance R94, resistance R95,
Electric capacity C57, electric capacity C60, operational amplifier U32 compositions, operational amplifier U32 in-phase input end and control chip U33 pins 8
It is connected, operational amplifier U32 inverting input is connected with output end, with resistance R95 and electricity after resistance R94, electric capacity C60 series connection
Hold C57 in parallel, electric capacity C57 one end is connected with control chip U33 pins 4, the electric capacity C57 other ends are exported with operational amplifier U32
End is connected, and concussion timing circuit is made up of resistance R91, resistance R93, electric capacity C56, electric capacity C58, and resistance R91 and resistance R93 is simultaneously
Connection, one end is connected with control chip U33 pins 8, another to be connected to power supply 0V, and electric capacity C56 is in parallel with electric capacity C58, one end and control
Coremaking piece U33 pins 9 are connected, and another to be connected to power supply 0V, current sensor is adopted to high frequency transformer T1 primary side currents
Signal obtained by sample provides outside shut-off, resistance by resistance R100~R102, electric capacity C62, electric capacity C63 for control chip U33
R101 and resistance R102 is connected in series to control chip U33 pins 16, and resistance R100 is in parallel with electric capacity C62, one end and control core
Piece U33 pins 16 are connected, another to be connected to power supply 0V, and resistance R96 is the protection of control chip U33 output stage biased control sources
Resistance, electric capacity C59, electric capacity C61, electric capacity C81, electric capacity C82 are filter capacitor, and resistance R96 two ends are drawn with control chip U33 respectively
Pin 13, pin 15 are connected, and electric capacity C59 is in parallel with electric capacity C81, and one end is connected with control chip U33 pins 15, another to be connected to electricity
Source 0V, electric capacity C61 is in parallel with electric capacity C82, and one end is connected with control chip U33 pins 13, another to be connected to power supply 0V, electric capacity
C59, electric capacity C61, electric capacity C81, electric capacity C82 are filter capacitor, by resistance R103~R105, resistance R113, resistance R114, two poles
Pipe D22, diode D23, triode Q2~Q5, electric capacity C68 composition full-bridge circuit, two paths of signals by isolating transformer T2, every
It is changed into four road signals from transformer T3, resistance R106~R112, resistance R115, diode D24~D27, electric capacity C64~C67 to drive
Dynamic first inversion unit U21, triode Q2 base stage is connected by resistance R103 with control chip U33 pins 14, triode Q4
Base stage be connected by resistance R104 with control chip U33 pins 14, diode D22 negative electrode and control chip U33 pins 14
It is connected, diode D22 anode is connected to power supply 0V, and triode Q3 base stage passes through resistance R105 and control chip U33 pins 11
It is connected, triode Q5 base stage is connected by resistance R113 with control chip U33 pins 11, diode D23 negative electrode and control
Chip U33 pins 11 are connected, and diode D11 anode is connected to power supply 0V, triode Q2 colelctor electrodes and triode Q4 colelctor electrode phases
It is connected after even with isolating transformer T2 and isolating transformer T3 pin 1, triode Q3 colelctor electrodes and triode Q5 colelctor electrode phases
Lian Hou, it is in parallel with resistance R114 and electric capacity C68 after one end be connected, resistance R114 and electric capacity C68 it is in parallel after the other end and every
It is connected from transformer T2 with isolating transformer T3 pin 2, triode Q4 emitter stages are connected to power supply 0V, triode Q5 emitter stages connect
To power supply 0V, triode Q2 emitter stages are connected with triode Q3 emitter stages, diode D24 connected with resistance R110 after with resistance
R106 is in parallel, and diode D24 negative electrodes are connected with isolating transformer T2 pins 6, resistance the R110 other end and electric capacity C64 one end phase
Even, the electric capacity C64 other ends are connected with isolating transformer T2 pins 5, diode D25 connected with resistance R111 after with resistance R107 simultaneously
Connection, diode D25 negative electrodes are connected with isolating transformer T2 pins 3, and the resistance R111 other end is connected with electric capacity C65 one end, electricity
Hold the C65 other ends with isolating transformer T2 pins 4 to be connected, diode D26 is in parallel with resistance R108 after connecting with resistance R112, two
Pole pipe D26 negative electrodes are connected with isolating transformer T3 pins 6, and the resistance R112 other end is connected with electric capacity C66 one end, electric capacity C66
The other end is connected with isolating transformer T3 pins 5, and diode D27 is in parallel with resistance R109 after being connected with resistance R115, diode
D27 negative electrodes are connected with isolating transformer T3 pins 3, and the resistance R115 other end is connected with electric capacity C67 one end, and electric capacity C67 is another
End is connected with isolating transformer T3 pins 4, obtains four roads letter at electric capacity C64, electric capacity C65, electric capacity C66, electric capacity C67 two ends respectively
Number send to the first inversion unit U21 of driving.Said structure has that stable, fault rate is low, control accuracy is high, cost is relatively low
Honest and clean advantage.
Main circuit 61 and control circuit 62 can be installed in housing 14 by the present invention, and an independent controller list is made
Member, is easy to be connected with the other parts of vehicle.
Claims (1)
1. synchronous frequency conversion formula alternating current generator vector frequency conversion control device, it is characterised in that：Including main circuit（61）With control circuit
（62）, main circuit（61）Including rectifier（1）, rectifier（1）Output end and wave filter（2）Input connection, wave filter
（2）Output end and the first inversion unit（3）Input connection, the first inversion unit（3）Output end and high frequency main transformer pressure
Unit（4）Input connection, the main voltage transformation unit of high frequency（4）Output end and hf rectifier（5）Input connection, high frequency
Rectifier（5）Output end and high frequency filter（6）Input connection, high frequency filter（6）Output end and brake unit
（7）Input connection, brake unit（7）Output end and the second inversion unit（8）Input connection, the second inversion unit
（8）Output end and load motor（13）Input connection, control circuit（62）Including detection unit（9）, central controller
（10）, inverse changing driving circuit（11）And boost control circuit（12）, main circuit（61）And control circuit（62）Annexation such as
Under：Rectifier（1）The three-phase alternating current of the voltage of input, changeable frequency is passed through into rectifier（1）After be rectified into direct current, filter
Device（2）By resistance R70, D.C. contactor KM1, connector J1, electric capacity C3, electric capacity C4, electric capacity C24, resistance R6, resistance R7 groups
Into electric capacity C24 is Absorption Capacitance, and electric capacity C3, electric capacity C4 are filter capacitor, and resistance R6, resistance R7 are equalizing resistance, rectifier
（1）Positive output end passes through resistance R70 and the first inversion unit（3）Positive input terminal is connected, rectifier（1）Negative output terminal is inverse with first
Become unit（3）Negative input end is connected, and D.C. contactor KM1 normally opened contacts are in parallel with resistance R70, D.C. contactor KM1 coils two
End is connected with connector J1 pins 1,2, electric capacity C24 one end and the first inversion unit（3）Positive input terminal is connected, and electric capacity C24 is another
End and the first inversion unit（3）Negative input end is connected, and electric capacity C3 connects with electric capacity C4, electric capacity C3 positive poles and the first inversion unit
（3）Positive input terminal is connected, electric capacity C4 negative poles and the first inversion unit（3）Negative input end is connected, and resistance R6 is in parallel with electric capacity C3, electricity
Hinder R7 in parallel with electric capacity C4, the first inversion unit（3）The direct current of input is passed through into the first inversion unit（3）Inverter output frequency
10 ~ 100kHz high-frequency alternating currents, the main voltage transformation unit of high frequency（4）Medium/high frequency transformer T1 first side winding two ends input high frequency is handed over
Stream electricity, high frequency transformer T1 secondary side winding two ends are exported, the friendship that high frequency transformer T1 secondary side windings two ends are obtained
Stream electricity passes through hf rectifier（5）Rectification exports direct current, high frequency filter（6）By reactor L1, electric capacity C25, electric capacity C5, electricity
Hold C6, resistance R9, resistance R10 compositions, L1 is reactor, and electric capacity C25 is Absorption Capacitance, and electric capacity C5, electric capacity C6 are filtered electrical
Hold, resistance R9, resistance R10 are equalizing resistance, hf rectifier（5）Positive output end passes through reactor L1 and the second inversion unit
（8）Positive input terminal is connected, hf rectifier（5）Negative output terminal and the second inversion unit（8）Negative input end is connected, electric capacity C25 mono-
End and the second inversion unit（8）Positive input terminal is connected, the electric capacity C25 other ends and the second inversion unit（8）Negative input end is connected, electricity
Hold C5 to connect with electric capacity C6, electric capacity C5 positive poles and the first inversion unit（3）Positive input terminal is connected, electric capacity C6 negative poles and the first inversion
Unit（3）Negative input end is connected, and resistance R9 is in parallel with electric capacity C5, and resistance R10 is in parallel with electric capacity C6, brake unit（7）By resistance
R11 and power device V1 compositions, power device V1 colelctor electrodes pass through resistance R11 and the second inversion unit（8）Positive input terminal is connected,
Power device V1 emitter stages and the second inversion unit（8）Negative input end is connected, the second inversion unit（8）The direct current of input passes through
Second inversion unit（8）Inverter output frequency is synchronous with incoming frequency to be changed and with the exchange suitable for motor " hardware features "
Electricity, detection unit（9）The effect of middle zero cross detection circuit is that detection frequency signal feeding central controller is analyzed and processed, by
Resistance R4, resistance R5, resistance R8, optocoupler U14, optocoupler U15 compositions, optocoupler U14 pins 1 are connected to three by resistance R4 and resistance R5
Cross streams electricity R phases, optocoupler U14 pins 2 are connected to three-phase alternating current S-phase, and optocoupler U14 pins 1 are connected with optocoupler U15 pins 2, optocoupler
U14 pins 1 are connected with optocoupler U15 pins 1, and optocoupler U14 pins 3 are connected with optocoupler U15 pins 3, optocoupler U14 pins 4 and optocoupler
U15 pins 4 are connected, and optocoupler U14 pins 3 are connected to power supply 0V, and optocoupler U14 pins 4 are connected to power supply+5V, optocoupler U14 by resistance R8
Pin 4 is connected with control chip U28 pins 30, and the effect of position detecting circuit is the position for detecting main rotor in motion process
Feeding central controller is analyzed and processed, by connector J6, diode D8~D10, resistance R31~R36, optocoupler U17~U19
Composition, connector J6 pins 1 are connected to power supply 0V, and connector J6 pins 2 are connected to power supply 12V, connector J6 pins 3 and diode
D10 negative electrodes are connected, and connector J6 pins 4 are connected with diode D9 negative electrodes, and connector J6 pins 5 are connected with diode D8 negative electrodes,
Optocoupler U17~U19 pins 1 are connected to power supply+5V by R31~R33 respectively, optocoupler U17~U19 pins 2 respectively with diode D8
~D10 anodes are connected, and optocoupler U17~U19 pins 4 are connected to power supply+5V by resistance R34~R36 respectively, and optocoupler U17~U19 draws
Pin 3 is respectively connected to power supply 0V, and optocoupler U17 pins 4 are connected with control chip U28 pins 5, optocoupler U18 pins 4 and control chip
U28 pins 6 are connected, and optocoupler U19 pins 4 are connected with control chip U28 pins 7, and the effect of temperature sensing circuit is the main electricity of detection
The temperature feeding central controller of road power device is analyzed and processed, by connector J2, resistance R71~R73, optocoupler U16 groups
Into optocoupler U16 pins 1 are connected to power supply+5V by resistance R71, and optocoupler U16 pins 2 are connected with connector J2 pins 2, plug-in unit J2
Pin 1 is connected to power supply 0V, and optocoupler U16 pins 3 are connected to power supply 0V, and optocoupler U16 pins 4 are connected to power supply+5V, light by resistance R72
Coupling U16 pins 4 are connected by resistance R73 with control chip U28 pins 27, the effect of current detection circuit be respectively detection U, V,
W three-phases output current and DC bus current feeding central controller analyzed and processed, by connector J4, inductance L2~L5,
Resistance R12~R14, resistance R44~R47, resistance R49~R53, electric capacity C41~C52, resistance R17, resistance R19, resistance R55~
R59, resistance R63, resistance R64, operational amplifier U24 part A U24A, operational amplifier U24 C portion U24C, computing are put
Big device U24 D parts U24D compositions, connector J4 pins 1 are connected to power supply+12V, and connector J4 pins 2 are connected to power supply -12V, connect
Plug-in unit J4 pins 3 are connected by inductance L4, resistance R52 with diode D14 anodes, and resistance R45, resistance R49, electric capacity C45 are in parallel
One end is connected with connector J4 pins 3 afterwards, another to be connected to power supply 0V, and electric capacity C48 one end is connected with inductance L4 and resistance R52
Node is connected, and the another of electric capacity C48 is connected to power supply 0V, and electric capacity C51 one end is connected with diode D14 anodes, electric capacity C51's
Another to be connected to power supply 0V, connector J4 pins 4 are connected by inductance L3, resistance R51 with diode D13 anodes, resistance R44,
One end is connected with connector J4 pins 4 after resistance R47, electric capacity C51 are in parallel, another to be connected to power supply 0V, electric capacity C47 one end and
Inductance L3 is connected with resistance R51 series connection nodes, and the another of electric capacity C47 is connected to power supply 0V, electric capacity C50 one end and diode
D13 anodes are connected, and the another of electric capacity C50 is connected to power supply 0V, and connector J4 pins 5 pass through inductance L2, resistance R14 and diode
D15 anodes are connected, and one end is connected with connector J4 pins 5 after resistance R12, resistance R13, electric capacity C41 are in parallel, another to be connected to electricity
Source 0V, electric capacity C42 one end are connected with inductance L2 and resistance R14 series connection nodes, and the another of electric capacity C42 is connected to power supply 0V, electricity
The one end for holding C43 is connected with diode D15 anodes, and the another of electric capacity C43 is connected to power supply 0V, and connector J4 pins 6 pass through electricity
Sense L5, resistance R53 are connected with diode D15 anodes, and one end and connector J4 draw after resistance R46, resistance R50, electric capacity C46 are in parallel
Pin 6 is connected, and another to be connected to power supply 0V, electric capacity C49 one end is connected with inductance L5 and resistance R53 series connection nodes, electric capacity C49's
Another to be connected to power supply 0V, electric capacity C52 one end is connected with diode D15 anodes, and the another of electric capacity C52 is connected to power supply 0V,
Operational amplifier U24 pins 12 are connected to power supply+5V by resistance R58, and operational amplifier U24 pins 12 are connected to by resistance R59
Power supply 0V, operational amplifier U24 pin 13 is connected with operational amplifier U24 pins 14 obtains power supply+2.5V, operational amplifier
U24 pins 3 are connected by resistance R17 with diode D16 anodes, operational amplifier U24 pins 3 cross resistance R19 be connected to power supply+
2.5V, resistance R63 two ends are connected with operational amplifier U24 pins 1, pin 2 respectively, and operational amplifier U24 pins 2 pass through resistance
R55 is connected to power supply 0V, and operational amplifier U24 pins 1 are connected with control chip U28 pin 2, operational amplifier U24 pins 10
It is connected by resistance R56 with diode D13 anodes, operational amplifier U24 pins 10 cross resistance R61 and are connected to power supply+2.5V, resistance
R64 two ends are connected with operational amplifier U24 pins 8, pin 9 respectively, and operational amplifier U24 pins 9 are connected to electricity by resistance R57
Source 0V, operational amplifier U24 pin 8 is connected with control chip U28 pin 3, and the effect of overcurrent sensing circuit is detection three
Whether overcurrent feeding central controller is analyzed and processed any two-phase of cross streams output, by diode D12~D16, fortune
Calculate amplifier U30 part B U30B, resistance R66, resistance R68, resistance R86 compositions, diode D13~D16 negative electrode respectively with
Operational amplifier U30 pins 6 are connected, and resistance R66 two ends are connected with operational amplifier U30 pins 5, pin 7 respectively, resistance R86
Pin 3 is connected with operational amplifier U30 pins 5, and resistance R86 pins 1 are connected to power supply+5V, and resistance R86 pins 2 are connected to power supply 0V,
Diode D12 negative electrodes are connected with operational amplifier U30 pins 7, and diode D12 anodes are connected to power supply+5V by resistance R68, fortune
Calculate amplifier U30 pins 7 with control chip U28 pin 18 to be connected, voltage detecting circuit effect is detection DC bus-bar voltage
Feeding central controller is analyzed and processed, by resistance R43, resistance R48, voltage sensor U29, resistance R54, electric capacity C77 groups
Into voltage sensor U29 pins 1 pass through resistance R43, resistance R48 and the second inversion unit（8）Positive input terminal is connected, and voltage is passed
Sensor U29 pins 2 and the second inversion unit（8）Positive input terminal is connected, and voltage sensor U29 pins 3 are connected to power supply -12V, voltage
Sensor U29 pins 5 are connected to power supply+12V, and voltage sensor U29 pins 4 are connected with operational amplifier U30 pins 2, resistance R54
One end is connected with voltage sensor U29 pins 4 after in parallel with electric capacity C77, and another to be connected to power supply 0V, voltage sensor U29 draws
Pin 4 is connected with control chip U28 pin 4, and overvoltage detection circuit effect is that detection DC bus-bar voltage whether send by overvoltage
Enter central controller to be analyzed and processed, by operational amplifier U30 part A U30A, diode D11, resistance R60, resistance
R62, resistance R85 are constituted, and resistance R60 two ends are connected with operational amplifier U30 pins 1, pin 3 respectively, resistance R85 pins 3 and
Operational amplifier U30 pins 3 are connected, and resistance R85 pins 1 are connected to power supply+5V, and resistance R85 pins 2 are connected to power supply 0V, diode
D11 negative electrodes are connected with operational amplifier U30 pins 1, and diode D12 anodes are connected to power supply+5V, operation amplifier by resistance R62
Device U30 pins 1 are connected with control chip U28 pin 17, central controller（10）The power supply of control circuit chip and IGBT's
Driving power supply is by Voltage stabilizing module U8~U12, Voltage stabilizing module U26, electric capacity C1, electric capacity C2, electric capacity C21~C23, electric capacity C40 are Lai real
Existing, Voltage stabilizing module U8~U12 positive input terminal is connected to power supply 12V, and Voltage stabilizing module U8~U12 negative input end is connected to power supply 0V,
Voltage stabilizing module U8 positive output end is connected to drive module U1 pins 4, and Voltage stabilizing module U8 negative output terminal is connected to drive module U1 and drawn
Pin 6, Voltage stabilizing module U9 positive output end is connected to drive module U2 pins 4, and Voltage stabilizing module U9 negative output terminal is connected to drive module
U2 pins 6, Voltage stabilizing module U10 positive output end is connected to drive module U3 pins 4, and Voltage stabilizing module U10 negative output terminal is connected to drive
Dynamic model block U3 pins 6, Voltage stabilizing module U11 positive output end is connected to drive module U4~U7 pin 4, and Voltage stabilizing module U11's is negative
Output is connected to drive module U4~U7 pin 6, and Voltage stabilizing module U12 positive output end is power supply+12V, Voltage stabilizing module U12's
Negative output terminal is power supply -12V, and Voltage stabilizing module U12 public output is power supply 0V, and electric capacity C1 is in parallel with C22, electric capacity C1 positive poles
Power supply 0V is connected to, electric capacity C1 negative poles are connected to power supply -12V, and electric capacity C2 is in parallel with C23, and electric capacity C2 positive poles are connected to power supply+12V, electric capacity
C2 negative poles are connected to power supply 0V, and Voltage stabilizing module U26 pins 1 are connected to power supply+12V, and Voltage stabilizing module U26 pins 2 are connected to power supply 0V, voltage stabilizing
Module U26 pins 3 out-put supply+5V, electric capacity C21 is in parallel with C40, and electric capacity C21 positive poles are connected to power supply+5V, and electric capacity C21 negative poles connect
To power supply 0V, programming port J5, crystal oscillator Y1, electric capacity C69, electric capacity C70, resistance R30, control chip U28 composition central controllers are brilliant
Y1, electric capacity C69, electric capacity C70 shake for clock circuit, operating clock signals, resistance R37~R42, resistance are provided for central controller
The pwm signal that R69, electric capacity C71~C76, electric capacity C78 are exported to central controller carries out processing feeding drive circuit, programming port
J5 pins 1 are connected with control chip U28 pins 1, and programming port J5 pins 2 are connected to power supply+5V, and programming port J5 pins 2 are connected to power supply
0V, programming port J5 pin 4 is connected with control chip U28 pins 25, and programming port J5 pins 5 are connected with control chip U28 pins 26,
Crystal oscillator Y1 two ends are connected with control chip U28 pins 13, pin 14 respectively, electric capacity C69 one end and the phase of control chip U28 pins 13
Even, electric capacity C69 is another to be connected to power supply 0V, and electric capacity C70 one end is connected with control chip U28 pins 14, another terminations of electric capacity C70
To power supply 0V, control chip U28 pins 1 are connected to power supply+5V by resistance R30, control chip U28 pin 11, pin 21, draw
Pin 32, pin 40 are respectively connected to power supply+5V, and control chip U28 pin 12, pin 20, pin 31, pin 39 are respectively connected to electricity
Source 0V, control chip U28 pin 28 is connected to drive module U7 pins 14 by resistance R69, and electric capacity C78 is in parallel with resistance R69, control
Coremaking piece U28 pins 33 are connected to drive module U6 pins 14 by resistance R42, and electric capacity C76 is in parallel with resistance R42, control chip
U28 pins 34 are connected to drive module U3 pins 14 by resistance R41, and electric capacity C75 is in parallel with resistance R41, control chip U28 pins
35 are connected to drive module U5 pins 14 by resistance R40, and electric capacity C74 is in parallel with resistance R40, and control chip U28 pins 36 pass through
Resistance R39 is connected to drive module U2 pins 14, and electric capacity C73 is in parallel with resistance R39, and control chip U28 pins 37 pass through resistance R38
Drive module U4 pins 14 are connected to, electric capacity C72 is in parallel with resistance R38, control chip U28 pins 38 are connected to drive by resistance R37
Dynamic model block U1 pins 14, electric capacity C71 is in parallel with resistance R37, at the signal that central controller is obtained according to detecting in circuit
Reason analysis, output signal control D.C. contactor KM1, detection electricity routing resistance R65, resistance R67, triode Q1, connector
J3, relay K1, optocoupler U20 compositions, optocoupler U20 pins 1 are connected by resistance R65 with control chip U28 pins 29, optocoupler
U20 pins 2 are connected to power supply 0V, and optocoupler U20 pins 4 are connected to power supply 12V, and optocoupler U20 pins 3 pass through resistance R67 and triode Q1
Base stage is connected, and triode Q1 colelctor electrodes are connected with relay K1 coils one end, and relay K1 coils are another to be connected to power supply 12V,
One end of relay K1 normally opened contacts is connected to power supply 12V, the other end and the phase of connector J3 pins 1 of relay K1 normally opened contacts
Even, connector J3 pins 2 are connected to power supply 0V, and triode Q1 emitter stages are connected to power supply 0V, inverse changing driving circuit（11）U-phase upper arm
Drive circuit is made up of resistance R1, resistance R15, diode D1, electric capacity C7, electric capacity C9, electric capacity C26, electric capacity C28, and U phases underarm drives
Dynamic electricity routing resistance R16, resistance R18, diode D2, electric capacity C8, electric capacity C10, electric capacity C27, electric capacity C29 compositions, drive module
U1~U7 pins 13 are connected to power supply 0V, and electric capacity C9 is in parallel with electric capacity C28, and electric capacity C9 positive poles are connected with drive module U1 pins 4, electricity
Hold C9 negative poles with drive module U1 pins 6 to be connected, electric capacity C7, electric capacity C26, diode D1 are in parallel, electric capacity C7 positive poles and diode
D1 negative electrodes are connected, and electric capacity C7 positive poles are connected by resistance R15 with drive module U1 pins 4, electric capacity C7 negative poles and drive module U1
Pin 6 is connected, and drive module U1 pins 5 pass through resistance R1 and the second inversion unit（8）GUP pins 20 be connected, electric capacity C7 is just
Pole and the second inversion unit（8）EUP pins 21 be connected, electric capacity C10 is in parallel with electric capacity C29, electric capacity C10 positive poles and drive module
U4 pins 4 are connected, and electric capacity C10 negative poles are connected with drive module U4 pins 6, and electric capacity C8, electric capacity C27, diode D2 are in parallel, electric capacity
C8 positive poles are connected with diode D2 negative electrodes, and electric capacity C8 positive poles are connected by resistance R16 with drive module U4 pins 4, and electric capacity C8 is born
Pole is connected with drive module U4 pins 6, and drive module U4 pins 5 pass through resistance R18 and the second inversion unit（8）GUN pins
4 are connected, electric capacity C8 positive poles and the second inversion unit（8）EUN pins 5 be connected, V-phase upper arm drive circuit is by resistance R2, resistance
R20, diode D3, electric capacity C11, electric capacity C13, electric capacity C30, electric capacity C32 compositions, V phase underarm drive circuits are by resistance R21, electricity
R22, diode D4, electric capacity C12, electric capacity C14, electric capacity C31, electric capacity C33 compositions are hindered, electric capacity C13 is in parallel with electric capacity C32, electric capacity
C13 positive poles are connected with drive module U2 pins 4, and electric capacity C13 negative poles are connected with drive module U2 pins 6, electric capacity C11, electric capacity
C30, diode D3 are in parallel, and electric capacity C11 positive poles are connected with diode D3 negative electrodes, and electric capacity C11 positive poles pass through resistance R20 and driving mould
Block U2 pins 4 are connected, and electric capacity C11 negative poles are connected with drive module U2 pins 6, and drive module U2 pins 5 pass through resistance R2 and the
Two inversion units（8）GVP pins 22 be connected, electric capacity C11 positive poles and the second inversion unit（8）EVP pins 23 be connected, electricity
Appearance C14 is in parallel with electric capacity C33, and electric capacity C14 positive poles are connected with drive module U5 pins 4, and electric capacity C14 negative poles draw with drive module U5
Pin 6 is connected, and electric capacity C12, electric capacity C31, diode D4 are in parallel, and electric capacity C12 positive poles are connected with diode D4 negative electrodes, and electric capacity C12 is just
Pole is connected by resistance R21 with drive module U5 pins 4, and electric capacity C12 negative poles are connected with drive module U5 pins 6, drive module
U5 pins 5 pass through resistance R22 and the second inversion unit（8）GVN pins 6 be connected, electric capacity C12 positive poles and the second inversion unit
（8）EVN pins 7 be connected, W phase upper arm drive circuits by resistance R3, resistance R23, diode D5, electric capacity C15, electric capacity C17,
Electric capacity C34, electric capacity C36 are constituted, and W phase underarm drive circuits are by resistance R24, resistance R25, diode D6, electric capacity C16, electric capacity
C18, electric capacity C35, electric capacity C37 compositions, electric capacity C17 are in parallel with electric capacity C36, electric capacity C17 positive poles and the phase of drive module U3 pins 4
Even, electric capacity C17 negative poles are connected with drive module U3 pins 6, and electric capacity C15, electric capacity C34, diode D5 are in parallel, electric capacity C15 positive poles
Be connected with diode D5 negative electrodes, electric capacity C15 positive poles are connected by resistance R23 with drive module U3 pins 4, electric capacity C15 negative poles with
Drive module U3 pins 6 are connected, and drive module U3 pins 5 pass through resistance R3 and the second inversion unit（8）The phase of GWP pins 24
Even, electric capacity C15 positive poles and the second inversion unit（8）EWP pins 25 be connected, electric capacity C18 is in parallel with electric capacity C37, electric capacity C18
Positive pole is connected with drive module U6 pins 4, and electric capacity C18 negative poles are connected with drive module U6 pins 6, electric capacity C16, electric capacity C35, two
Pole pipe D6 is in parallel, and electric capacity C16 positive poles are connected with diode D6 negative electrodes, and electric capacity C16 positive poles are drawn by resistance R24 with drive module U6
Pin 4 is connected, and electric capacity C16 negative poles are connected with drive module U6 pins 6, and drive module U6 pins 5 pass through resistance R25 and the second inversion
Unit（8）GWN pins 8 be connected, electric capacity C16 positive poles and the second inversion unit（8）EWN pins 9 be connected, brake unit drive
Dynamic electricity routing resistance R26, resistance R27, diode D7, electric capacity C19, electric capacity C20, electric capacity C38, electric capacity C39 compositions, electric capacity C20
In parallel with electric capacity C39, electric capacity C20 positive poles are connected with drive module U7 pins 4, electric capacity C20 negative poles and the phase of drive module U7 pins 6
Even, electric capacity C19, electric capacity C38, diode D7 are in parallel, and electric capacity C19 positive poles are connected with diode D6 negative electrodes, and electric capacity C19 positive poles pass through
Resistance R26 is connected with drive module U7 pins 4, and electric capacity C19 negative poles are connected with drive module U7 pins 6, drive module U7 pins 5
It is connected by resistance R27 with power device V1 grids, electric capacity C19 positive poles are connected with power device V1 emitter stages, boosting rectifier control electricity
Road（12）After middle resistance R28, resistance R29 partial pressures, after the voltage follower being made up of operational amplifier U25 C portion U25C
Obtain+6V voltages, operational amplifier U27 part A U27A reverse input ends voltage and+6V voltages pass through by resistance R81~
The voltage signal obtained after R84, the subtracter of operational amplifier U25 part B U25B compositions passes through operational amplifier U25 A
The voltage obtained after the voltage follower of part U25A compositions passes through resistance R78~R80, diode D17, diode D18, two poles
Pipe D21 charge and discharges electric network carries out discharge and recharge to electric capacity C83, and given voltage signal QG, operational amplifier are obtained on electric capacity C83
U25 pins 10 are connected to power supply+12V by resistance R28, and operational amplifier U25 pins 10 are connected to power supply 0V by resistance R29, fortune
Calculation amplifier U25 pins 8 are connected with operational amplifier U25 pins 9 obtains power supply+6V, and operational amplifier U25 pins 5 pass through electricity
Resistance R84 is connected to power supply+6V, and operational amplifier U25 pins 5 are connected to power supply 0V by resistance R83, and operational amplifier U25 pins 6 lead to
Resistance R82 is crossed with operational amplifier U27 pins 2 to be connected, resistance R81 two ends respectively with operational amplifier U25 pins 6, the phase of pin 7
Even, operational amplifier U25 pins 3 are connected with operational amplifier U25 pins 7, operational amplifier U25 pins 1 and operational amplifier
U25 pins 2 are connected, and resistance R80 is in parallel with resistance R79 after being connected with diode D21, diode D21 negative electrodes and operational amplifier
U25 pins 1 are connected, and the resistance R80 other end is connected with electric capacity C83 positive poles, and electric capacity C83 negative poles are connected to power supply 0V, resistance R78 and
Diode D17 connects, and the resistance R78 other end is connected with electric capacity C83 positive poles, and diode D17 negative electrodes draw with operational amplifier U27
Pin 7 is connected, and diode D18 anodes are connected with diode D17 anodes, diode D18 negative electrodes and the phase of operational amplifier U27 pins 1
Even, current protection indicating circuit is made up of resistance R77, diode D19, operational amplifier U27 part A U27A and resistance R76
Hysteresis loop comparator is constituted, when anti-phase input terminal voltage is more than homophase input terminal voltage, i.e., the resulting voltage on resistance R117
When, output end is low potential, and when anti-phase input terminal voltage is less than homophase input terminal voltage, output end is high potential, by adjusting
Whole resistance R117 values change the protection value of output current, and resistance R117 pins 1 are connected to+5V power supplys, resistance R117 pins 3 are connected to
Power supply 0V, resistance R117 pin 2 is connected with operational amplifier U27 pins 3, operational amplifier U27 pins 3 by resistance R76 with
Operational amplifier U27 pins 1 are connected, and resistance R77 is connected with diode D19, and diode D19 anodes are connected to+5V power supplys, resistance
The R77 other ends are connected with operational amplifier U27 pins 1, and overvoltage indicating circuit is made up of resistance R74, diode D20, computing
Amplifier U27 part B U27B and resistance R75 constitutes hysteresis loop comparator, when anti-phase input terminal voltage is more than in-phase input end electricity
Pressure, i.e., on resistance R116 during resulting voltage, output end is low potential, when anti-phase input terminal voltage is less than in-phase input end
During voltage, output end is high potential, changes the protection value of output voltage, resistance R116 pins 1 by adjusting resistance R116 values
+ 5V power supplys are connected to, resistance R116 pins 3 are connected to power supply 0V, and resistance R116 pins 2 are connected with operational amplifier U27 pins 5, transported
Calculate amplifier U27 pins 5 by resistance R75 with operational amplifier U27 pins 7 to be connected, resistance R74 and diode D20, diode
D20 negative electrodes are connected with operational amplifier U27 pins 7, and resistance R74 is another to be connected to+5V power supplys, and given voltage signal QG is through electric capacity
C53~C55, resistance R87~R89, the filter network of operational amplifier U31 compositions, to control chip U33 5 pin, are U33 work
Setting signal is provided, resistance R87 one end is connected with electric capacity C53, and electric capacity C53 is another to be connected to power supply 0V, and resistance R87's is another
End is connected with operational amplifier U31 in-phase input end, and one end is with operational amplifier U31's after resistance R88 is in parallel with electric capacity C54
In-phase input end is connected, and another to be connected to power supply 0V, operational amplifier U31 inverting input is connected with output end, passes through electricity
Resistance R89 is connected to control chip U33 pins 5, and control chip U33 pin 5 is connected with electric capacity C55 one end, the electric capacity C55 other ends
Power supply 0V is connected to, resistance R90, resistance R92, electric capacity C79, electric capacity C80 make control chip U33 work being capable of soft start, resistance R92
In parallel with electric capacity C80, electric capacity C80 positive pole and control chip U33 pins 1, electric capacity C80 negative pole are connected to power supply 0V, resistance R90
Connected with electric capacity C79, electric capacity C79 negative pole is connected to power supply 0V, electric capacity C80 positive pole and control chip U33 pins 2, resistance R90
The other end be connected with control chip U33 pins 1, obtained by current sensor is sampled to high frequency transformer T1 primary side currents
The filter network that signal is constituted by resistance R97~R101, electric capacity C63, to control chip U33 4 pin, is control chip U33 works
Make offer Setting signal, resistance R99 connects with resistance R101, and the resistance R101 other end is connected with the output of current sensor,
The resistance R99 other end is connected with control chip U33 pins 4, and control chip U33 pins 4 are connected to -15V electricity by resistance R97
Source, control chip U33 pins 4 are connected to power supply 0V, harmonic compensation electricity routing resistance R94, resistance R95, electric capacity by resistance R98
C57, electric capacity C60, operational amplifier U32 compositions, operational amplifier U32 in-phase input end and the phase of control chip U33 pins 8
Even, operational amplifier U32 inverting input is connected with output end, with resistance R95 and electric capacity after resistance R94, electric capacity C60 series connection
C57 is in parallel, and electric capacity C57 one end is connected with control chip U33 pins 4, the electric capacity C57 other ends and operational amplifier U32 output ends
It is connected, concussion timing circuit is made up of resistance R91, resistance R93, electric capacity C56, electric capacity C58, and resistance R91 is in parallel with resistance R93,
One end is connected with control chip U33 pins 8, another to be connected to power supply 0V, and electric capacity C56 is in parallel with electric capacity C58, one end and control core
Piece U33 pins 9 are connected, another to be connected to power supply 0V, and current sensor carries out sampling institute to high frequency transformer T1 primary side currents
Signal by resistance R100~R102, electric capacity C62, electric capacity C63 be control chip U33 provides it is outside turn off, resistance R101 and
Resistance R102 is connected in series to control chip U33 pins 16, and resistance R100 is in parallel with electric capacity C62, and one end is drawn with control chip U33
Pin 16 is connected, another to be connected to power supply 0V, and resistance R96 is the protective resistance of control chip U33 output stage biased control sources, electricity
Hold C59, electric capacity C61, electric capacity C81, electric capacity C82 be filter capacitor, resistance R96 two ends respectively with control chip U33 pins 13, draw
Pin 15 is connected, and electric capacity C59 is in parallel with electric capacity C81, and one end is connected with control chip U33 pins 15, another to be connected to power supply 0V, electricity
Appearance C61 is in parallel with electric capacity C82, and one end is connected with control chip U33 pins 13, another to be connected to power supply 0V, electric capacity C59, electric capacity
C61, electric capacity C81, electric capacity C82 are filter capacitor, by resistance R103~R105, resistance R113, resistance R114, diode D22, two
Pole pipe D23, triode Q2~Q5, electric capacity C68 composition full-bridge circuits, two paths of signals pass through isolating transformer T2, isolating transformer
It is inverse that T3, resistance R106~R112, resistance R115, diode D24~D27, electric capacity C64~C67 are changed into four road signal drivings first
Become unit（3）, triode Q2 base stage is connected by resistance R103 with control chip U33 pins 14, and triode Q4 base stage is led to
Cross resistance R104 with control chip U33 pins 14 to be connected, diode D22 negative electrode is connected with control chip U33 pins 14, two poles
Pipe D22 anode is connected to power supply 0V, and triode Q3 base stage is connected by resistance R105 with control chip U33 pins 11, three poles
Pipe Q5 base stage is connected by resistance R113 with control chip U33 pins 11, and diode D23 negative electrode and control chip U33 draw
Pin 11 is connected, and diode D11 anode is connected to power supply 0V, and triode Q2 colelctor electrodes are connected rear with isolating with triode Q4 colelctor electrodes
Transformer T2 is connected with isolating transformer T3 pin 1, after triode Q3 colelctor electrodes are connected with triode Q5 colelctor electrodes, with resistance
One end after R114 and electric capacity C68 are in parallel is connected, resistance R114 and electric capacity C68 it is in parallel after the other end and isolating transformer T2 and
Isolating transformer T3 pin 2 is connected, and triode Q4 emitter stages are connected to power supply 0V, and triode Q5 emitter stages are connected to power supply 0V, three
Pole pipe Q2 emitter stages are connected with triode Q3 emitter stages, and diode D24 is in parallel with resistance R106 after being connected with resistance R110, two poles
Pipe D24 negative electrodes are connected with isolating transformer T2 pins 6, and the resistance R110 other end is connected with electric capacity C64 one end, and electric capacity C64 is another
One end is connected with isolating transformer T2 pins 5, and diode D25 is in parallel with resistance R107 after being connected with resistance R111, diode D25
Negative electrode is connected with isolating transformer T2 pins 3, and the resistance R111 other end is connected with electric capacity C65 one end, the electric capacity C65 other ends with
Isolating transformer T2 pins 4 be connected, diode D26 is in parallel with resistance R108 after being connected with resistance R112, diode D26 negative electrodes and
Isolating transformer T3 pins 6 are connected, and the resistance R112 other end is connected with electric capacity C66 one end, and the electric capacity C66 other ends are with isolating change
Depressor T3 pins 5 are connected, and diode D27 is in parallel with resistance R109 after being connected with resistance R115, and diode D27 negative electrodes are with isolating change
Depressor T3 pins 3 are connected, and the resistance R115 other end is connected with electric capacity C67 one end, the electric capacity C67 other ends and isolating transformer T3
Pin 4 is connected, and obtaining four road signals at electric capacity C64, electric capacity C65, electric capacity C66, electric capacity C67 two ends respectively, to send to driving first inverse
Become unit（3）, main circuit（61）With control circuit（62）It is installed in housing（14）In.
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| CN201410149851.2A CN103956952B (en) | 2013-04-17 | 2014-04-15 | Synchronous frequency conversion formula alternating current generator vector frequency conversion control device |
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| CN2013101335313 | 2013-04-17 | ||
| CN201310133531.3 | 2013-04-17 | ||
| CN201310133531 | 2013-04-17 | ||
| CN201410149851.2A CN103956952B (en) | 2013-04-17 | 2014-04-15 | Synchronous frequency conversion formula alternating current generator vector frequency conversion control device |
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| CN103956952B true CN103956952B (en) | 2017-10-13 |
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| CN201410149851.2A Active CN103956952B (en) | 2013-04-17 | 2014-04-15 | Synchronous frequency conversion formula alternating current generator vector frequency conversion control device |
| CN201420180618.6U Expired - Lifetime CN203883731U (en) | 2013-04-17 | 2014-04-15 | Vector variable-frequency controller for synchronous variable-frequency AC motor |
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| CN201420180618.6U Expired - Lifetime CN203883731U (en) | 2013-04-17 | 2014-04-15 | Vector variable-frequency controller for synchronous variable-frequency AC motor |
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| CN103956952B (en) * | 2013-04-17 | 2017-10-13 | 济南亚特伦特机械科技有限公司 | Synchronous frequency conversion formula alternating current generator vector frequency conversion control device |
| CN104779880A (en) * | 2015-03-30 | 2015-07-15 | 成都颉隆科技有限公司 | Energy-saving type motor control system |
| CN105197100A (en) * | 2015-09-08 | 2015-12-30 | 苏州市博得立电源科技有限公司 | Automotive EPS (electric power steering) control system based on sine wave inverter |
| CN106091564B (en) * | 2015-12-25 | 2018-08-17 | 广东奥马冰箱有限公司 | Inexpensive button refrigerator computerized control system |
| CN105634135B (en) * | 2016-02-26 | 2019-05-03 | 国网山东省电力公司章丘市供电公司 | Power supply station's power quality protective device |
| CN106452246A (en) * | 2016-12-02 | 2017-02-22 | 苏州韦德韦诺电气科技有限公司 | Vector voltage loop control system for industrial production and encryption method |
| CN106788000B (en) * | 2016-12-02 | 2022-12-23 | 深圳市斗索科技有限公司 | Motor starting and speed regulating control circuit and driving control method thereof |
| CN107196535B (en) * | 2017-07-20 | 2019-07-05 | 云南电网有限责任公司电力科学研究院 | A kind of inverter series connection synchronisation control means based on adaptive notch filter |
| KR20210053687A (en) * | 2019-11-04 | 2021-05-12 | 엘지전자 주식회사 | Device for driving a plurality of motors and electric apparatus including the same |
| CN115407149B (en) * | 2022-08-26 | 2024-05-14 | 南京轨道交通系统工程有限公司 | Subway train inversion control unit detection circuit |
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| CN101106338A (en) * | 2006-07-14 | 2008-01-16 | 上海神源电气有限公司 | Bidirectional power flow efficient energy saving converter |
| US8014179B2 (en) * | 2008-05-29 | 2011-09-06 | Hamilton Sundstrand Corporation | Multi output voltage regulation of a synchronous generator in a power system |
| CN102820791A (en) * | 2011-06-08 | 2012-12-12 | 浙江昀丰新能源科技有限公司 | Energy-saving type crystal growth high-frequency power supply device |
| CN103095202A (en) * | 2011-10-31 | 2013-05-08 | 戴树梅 | Synchronous generator inversion-type excitation system |
| CN103956952B (en) * | 2013-04-17 | 2017-10-13 | 济南亚特伦特机械科技有限公司 | Synchronous frequency conversion formula alternating current generator vector frequency conversion control device |
| CN103227598B (en) * | 2013-05-06 | 2015-04-15 | 宁德师范学院 | Permanent magnet motor controller with voltage dip protection function |
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| CN103956952A (en) | 2014-07-30 |
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Effective date of registration: 20191017 Address after: Room 1217, floor 12, Sanlian building, No. 12, Baotuquan North Road, Lixia District, Jinan City, Shandong Province Patentee after: Shandong Tanaka Machinery Equipment Co.,Ltd. Address before: 250031, No. 31-1, North District, Jade Road, 13 West Industrial Road, Tianqiao District, Shandong, Ji'nan Patentee before: Jinan Asia Trent Machinery Technology Co.,Ltd. |
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Effective date of registration: 20240508 Address after: Building 1-101, No. 31, North District, Feicui County, CNHTC, No. 13 Xigonghe Road, Tianqiao District, Jinan City, Shandong Province, 250031 Patentee after: Jinan Asia Trent Machinery Technology Co.,Ltd. Country or region after: China Address before: 250014 room 1217, 12 / F, Sanlian building, 12 Baotuquan North Road, Lixia District, Jinan City, Shandong Province Patentee before: Shandong Tanaka Machinery Equipment Co.,Ltd. Country or region before: China |