CN208386453U - The control device of high-voltage circuitbreaker switched capacitor network electric operating mechanism - Google Patents
The control device of high-voltage circuitbreaker switched capacitor network electric operating mechanism Download PDFInfo
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- CN208386453U CN208386453U CN201821002271.0U CN201821002271U CN208386453U CN 208386453 U CN208386453 U CN 208386453U CN 201821002271 U CN201821002271 U CN 201821002271U CN 208386453 U CN208386453 U CN 208386453U
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Abstract
A kind of control device of high-voltage circuitbreaker switched capacitor network electric operating mechanism, belongs to technical field of electrical automation control.The device includes Hall current sensor, rotary encoder, hall position sensor, angular displacement sensor, coil current detection circuit, motor speed detection circuit, position capture circuit, rotor stroke detection circuit, switched capacitor network, capacitance voltage monitoring and charging circuit, dsp processor and driving circuit, the utility model acquires the revolving speed of permanent-magnet brushless DC electric machine, angular displacement and coil current in real time, and then the rigid collision of dynamic and static contact is reduced, extend mechanism service life.
Description
Technical field
The utility model relates to technical field of electrical automation control, in particular to high-voltage circuitbreaker switched capacitor network electricity
The control device of machine operating mechanism.
Background technique
The machine driving of high-voltage circuitbreaker switched capacitor network electric operating mechanism is simple, and components are few, coil magnetization electricity
The magnetic field for miscarrying raw and permanent magnetic field interaction driving rotor rotation, and then the transmission shaft of breaker is driven to complete divide-shut brake behaviour
Make, without traditional mechanical trip and locker, this simple, the direct kind of drive makes the division of electric operating mechanism
The lock time is stable and run duration dispersibility is small.But the divide-shut brake speed of the response time of motor and breaker is by electricity
The influence of container group stored voltage.When energy storage is excessively high, the response time of motor is short, and the divide-shut brake speed of breaker is fast, but electricity
Container residual voltage is higher and larger to the impact of contact of breaker；When energy storage is lower, the long division of the response time of motor
Lock speed is slow or is unable to complete breaking-closing operating, is unable to satisfy the divide-shut brake requirement of breaker.The motor for breaker
Response time, breaker divide-shut brake speed and the time be all its important working characteristics.At present for high-voltage circuitbreaker electricity
Machine operating mechanism had not only reduced the corresponding time of motor but also had improved divide-shut brake speed there is no preferable method, and therefore, it is necessary to one kind
New control system improves the working characteristics of breaker.
Utility model content
Of the existing technology in order to solve the problems, such as, the utility model utilizes rotary encoder, angular displacement sensor and suddenly
You acquire the revolving speed of permanent-magnet brushless DC electric machine, angular displacement and coil current current sensor in real time, and according to acquisition
Signal the rotation process of motor is adjusted, do so response time when both can reduce electric motor starting and breaker point
The time of feed motion, and divide-shut brake latter stage contact movement velocity can be reduced, and then reduce the rigid collision of dynamic and static contact, subtract
Few contact avoids coil burnout, extends mechanism service life because of energy loss caused by colliding.
The utility model provides a kind of control device of high-voltage circuitbreaker switched capacitor network electric operating mechanism, the dress
It sets including DC power supplier, pressure regulator, Hall current sensor, rotary encoder, hall position sensor, angle displacement transducer
Device, motor speed detection circuit, position capture circuit, rotor stroke detection circuit, rectifier bridge, is opened coil current detection circuit
Powered-down content network, capacitance voltage monitoring and charging circuit, remote controller module, dsp processor, driving circuit, IGBT full-bridge rectification
Circuit and permanent-magnet brushless DC electric machine；
The switched capacitor network includes energy-storage capacitor, rectifier diode and IGBT；
The DC power supplier and pressure regulator are electrically connected alternating current, and the output end of the DC power supplier is electrically connected respectively
Connect the input terminal of Hall current sensor, the input terminal of rotary encoder, the input terminal of hall position sensor, angle displacement transducer
The input terminal of device, the first input end of coil current detection circuit, the end VCC of dsp processor and driving circuit the end VCC, institute
State the second input terminal of the output end electric connection line loop current detection circuit of Hall current sensor, the rotary encoder it is defeated
Outlet is electrically connected the input terminal of motor speed detection circuit, and the output end electrically connecting position of the hall position sensor captures electricity
The input terminal on road, the input terminal of the output end electrical connection rotor stroke detection circuit of the angular displacement sensor, the pressure regulator
The first output end and second output terminal be electrically connected the first input end and the second input terminal of rectifier bridge, the rectifier bridge
First output end is electrically connected the anode of the anode and rectifier diode of energy-storage capacitor in switched capacitor network, the switching capacity
In network the anode of energy-storage capacitor and the anode of rectifier diode be electrically connected simultaneously capacitance voltage monitor and charging circuit the
One input terminal, the second output terminal electrical connection capacitance voltage monitoring of the rectifier bridge and the second input terminal of charging circuit, it is described
The cathode of energy-storage capacitor, the line in the first output end electrical connection switched capacitor network of capacitance voltage monitoring and charging circuit
The output end of loop current detection circuit, the output end of motor speed detection circuit, position capture circuit output end, rotor stroke
The second output terminal of the output end of detection circuit, the output end of remote controller module and voltage monitoring and charging circuit is electrically connected
The different input terminals of dsp processor, the output end of the dsp processor are electrically connected capacitance voltage monitoring and charging circuit
The input terminal of third input terminal and driving circuit, the output end of the driving circuit are electrically connected IGBT full bridge rectifier
IGBT input terminal in input terminal and switched capacitor network, the first output end of IGBT full bridge rectifier electrical connection switch
The negative pole end of energy-storage capacitor in capacitance network, and the positive terminal of energy-storage capacitor is electrically connected IGBT full-bridge in switched capacitor network
The input terminal of rectification circuit, second output terminal, third output end and the 4th output end difference of the IGBT full bridge rectifier
It is electrically connected the three-phase input end of permanent-magnet brushless DC electric machine operating mechanism.
The model E6B2-CWZ1X1000P/R that the rotary encoder uses, the motor speed detection circuit it is total
The model SN74LVCH245A of line transceiver, the model MS320F28335 of the dsp processor, the rotary encoder
0 pin electrical connection DC power supplier+5V pin, the rotary encoder 1 pin ground connection, the 2 of rotary encoder are drawn
Foot is electrically connected the A1 pin of motor speed detection circuit, and the B1 pin of the motor speed detection circuit is electrically connected dsp processor
CAP4 pin, the VCC pin and DIR pin of motor speed detection circuit are electrically connected the power supply of 3.3V, and motor speed is examined
OE pin, GND pin and the A4 pin~A8 pin of slowdown monitoring circuit are grounded；
The hall position sensor includes Hall disc and three Hall elements, the model of each Hall element
TO-92UA, each Hall element are fixedly mounted on high-voltage circuitbreaker switched capacitor network electric operating mechanism End-hall
The different location of disk, there are three the numbers of the position capture circuit, and each position capture circuit includes that the first decompression is steady
Depressor, first capacitor and the second capacitor, the model LTI930 of the voltage-releasing voltage stabilizer, one end electrical connection of the first capacitor
The input terminal of voltage-releasing voltage stabilizer, the other end ground connection of first capacitor, one end electrical connection voltage-releasing voltage stabilizer of second capacitor
Output end, the other end ground connection of the second capacitor, and the ground terminal ground connection of voltage-releasing voltage stabilizer, and the input terminal conduct of voltage-releasing voltage stabilizer
Position captures 1 pin of circuit, 2 pins of the output end of voltage-releasing voltage stabilizer as position capture circuit, and voltage-releasing voltage stabilizer connects
0 pin of the ground terminal as position capture circuit, 0 pin of each Hall element are electrically connected the+5V of DC power supplier
Pin, and the 1 pin ground connection of each Hall element, A pin, B pin and the C pin of each Hall element are electrically connected position
Set 1 pin of capture circuit, the 0 pin ground connection of each position capture circuit, 2 pins of each position capture circuit
It is electrically connected the CAP1 pin, CAP2 pin and CAP3 pin of dsp processor；
The number of the Hall current sensor is three, the model CHF- of each Hall current sensor
400B, 0 pin and 1 pin of Hall current sensor are electrically connected the+12V pin and -12V pin of DC power supplier,
3 pins of Hall current sensor are grounded, and each coil current detection circuit includes the first operational amplifier and the second fortune
Amplifier, 0 pin of the input terminal of first operational amplifier as coil current detection circuit are calculated, second operation is put
1 pin of the output end of big device as coil current detection circuit, the cathode and anode of first operational amplifier are made respectively
For 2 pins and 3 pins of coil current detection circuit, the anode and cathode of the second operational amplifier are respectively as coil electricity
4 pins and 5 pins of current detection circuit；The 2 of the 0 pin electrical connection Hall current sensor of the coil current detection circuit
1 pin of pin, each coil current detection circuit is electrically connected ADCINB0 pin, the ADCINB1 of dsp processor
Pin and ADCINB2 the pin ,+12V that 2 and 4 pins of the coil current detection circuit are electrically connected DC power supplier draw
Foot, 3 and 5 pins of the coil current detection circuit are electrically connected the -12V pin of DC power supplier；
The angular displacement sensor model WDD35D4, the second voltage-releasing voltage stabilizer of the rotor stroke detection circuit
Model LM3940, the rotor stroke detection circuit includes the second voltage-releasing voltage stabilizer, third capacitor and the 4th capacitor, described
One end of third capacitor is electrically connected the input terminal of the second voltage-releasing voltage stabilizer, the other end ground connection of third capacitor, the 4th capacitor
One end be electrically connected the output end of the second voltage-releasing voltage stabilizer, the 4th capacitor other end ground connection, and the ground connection of the second voltage-releasing voltage stabilizer
End ground connection, and 1 pin of the input terminal of the second voltage-releasing voltage stabilizer as rotor stroke detection circuit, the second voltage-releasing voltage stabilizer it is defeated
2 pins of the outlet as rotor stroke detection circuit, the ground terminal of the second voltage-releasing voltage stabilizer as rotor stroke detection circuit 0
Pin, the 2 pins ground connection of the angular displacement sensor, the 0 pin electrical connection DC power supplier 1 of the angular displacement sensor
+ 5V pin, and 1 pin of the 1 pin electrical connection rotor stroke detection circuit of angular displacement sensor, the rotor stroke detection electricity
0 pin on road is grounded, and the ADCINA4 pin of the 2 pins electrical connection dsp processor of rotor stroke detection circuit, and DSP is handled
+ 5V the pin of the VCC pin electrical connection DC power supplier of device.
Energy-storage capacitor includes cross capacitance C1 and cross capacitance C2, the cross capacitance C1 in the switched capacitor network
Anode and cross capacitance C2 the just extremely anode of energy-storage capacitor, the cathode of the cross capacitance C1 and cross capacitance C2's
Cathode is the cathode of energy-storage capacitor, and rectifier diode includes diode D7 and diode D8, and the anode of the diode D7 is
The anode of rectifier diode, the anode of the diode D8 are the cathode of rectifier diode, the cross capacitance C1 with intersect electricity
The specifications parameter for holding C2 is identical, and diode D7 is identical as the specifications parameter of diode D8, the cross capacitance C1 and cross capacitance
The voltage swing at the both ends C2 is equal.
The driving circuit is the seven unit IGBT driving boards using model DA962D7, the IGBT full-bridge rectification electricity
Road is by six IGBT and sustained diode1~D6It constitutes, the model Infineon of six IGBT
FF300R17KE3, the GND pin ground connection of the driving circuit, and the VCC pin of driving circuit is electrically connected DC power supplier 1
+ 15V pin, sPWM1~sPWM7 pin of the driving circuit is electrically connected PWM1~PWM7 pin of dsp processor,
The pin of the Output1 of the driving circuit~6 is electrically connected T1~T6 pin of IGBT full bridge rectifier, and Output7 pin
It is electrically connected the end T7 of the IGBT in switched capacitor network.
Capacitance voltage detection and charging circuit include capacitance voltage detection circuit and capacitance voltage charging circuit, described
Capacitance voltage detection circuit includes the first linear optical coupling and operational amplifier, and the capacitance voltage charging circuit includes second linear
Optocoupler and IGBT, and the model of the first linear optical coupling and the second linear optical coupling is HCNR200, the type of the operational amplifier
It number is OP07, the input terminal of first linear optical coupling is being electrically connected in switched capacitor network energy-storage capacitor just by inductance L1
The pole ,+5V pin of the end the VCC electrical connection DC power supplier of the first linear optical coupling, the output end of first linear optical coupling
By being electrically connected after parallel resistance R2 with the input terminal of operational amplifier, and the other end ground connection of resistance R2, the operation amplifier
The output end of device after first series resistance R6 again shunt capacitance C3 with the ADCINA0 pin of dsp processor by being electrically connected, and capacitor
The other end of C3 is grounded ,+12V the pin of the negative pole end electrical connection DC power supplier of the operational amplifier, operational amplifier
Positive terminal electrical connection DC power supplier+12V pin, photodiode passes through diode D2 in first linear optical coupling
It is in parallel with resistance R1 and resistance R7, in second linear optical coupling input terminal of photodiode pass through first shunt capacitance C4 again with
The GPIO54 pin of dsp processor, the other end ground connection of capacitor C4, second linear optical coupling are electrically connected after resistance R4 series connection
The end of incoming cables of light emitting diode output end by after shunt capacitance C2, capacitor C1 and diode D1 with stored up in switched capacitor network
The cathode connection of energy capacitor, the leading-out terminal of the second linear optical coupling light emitting diode output end pass through resistance R5 and IGBT grid
Extremely it is connected, and one end of the input terminal parallel resistance R3 of R5, the cathode of the other end parallel diode D3 of resistance R5, the electricity
Resistance R3 connects capacitor C2, the capacitance voltage detection and the 2 pins electrical connection DSP processing of charging circuit with the anode of diode D3
The GPIO54 of the 3 pins electrical connection dsp processor of the ADCINA0 pin of device, the capacitance voltage detection and charging circuit draws
Foot.
The model 6RI100G-160 of the rectifier bridge, 0 pin of the rectifier bridge and 1 pin electrical connection pressure regulator
First output end and second output terminal, the 2 pins electrical connection capacitance voltage detection of the rectifier bridge and 4 pins of charging circuit,
The anode of energy-storage capacitor in the 3 pins electrical connection switched capacitor network of the rectifier bridge.
The model PT2272-M4 of the remote controller module, the first output end of the remote controller module, second output terminal
The GPIO49 pin, GPIO51 pin and GPIO53 pin of dsp processor are electrically connected with third output end.
The utility model has the advantages that
The utility model is by utilizing rotation in the operating process of high-voltage circuitbreaker switched capacitor network electric operating mechanism
Turn encoder, angular displacement sensor and Hall current sensor to the revolving speed of permanent-magnet brushless DC electric machine, angular displacement and coil electricity
Stream is acquired in real time, and is adjusted according to rotation process of the signal of acquisition to motor, and Simultaneous Switching capacitance network is storing up
Stage charged in parallel can be used, in electric operating mechanism movement, be discharged using capacitor series system, and again in divide-shut brake
Latter stage is changed to parallel form immediately, does so what response time and circuit-breaker switching on-off when both can reduce electric motor starting acted
Time, and divide-shut brake latter stage contact movement velocity can be reduced, and then reduce the rigid collision of dynamic and static contact, avoid the occurrence of contact
Closing rebound phenomenon improves the reliability of high-voltage circuitbreaker switched capacitor network electric operating mechanism movement, reduces contact because touching
Energy loss caused by hitting avoids coil burnout, extends mechanism service life.
Detailed description of the invention
Fig. 1 is the knot of the control device of high-voltage circuitbreaker switched capacitor network electric operating mechanism provided by the utility model
Composition；
Fig. 2 be high-voltage circuitbreaker switched capacitor network electric operating mechanism provided by the utility model control device in drive
Dynamic circuit diagram；
Fig. 3 be high-voltage circuitbreaker switched capacitor network electric operating mechanism provided by the utility model control device in revolve
Turn encoder wiring figure；
Fig. 4 is in the control device of high-voltage circuitbreaker switched capacitor network electric operating mechanism provided by the utility model
Dsp processor pin schematic diagram；
Fig. 5 is straight in the control device of high-voltage circuitbreaker switched capacitor network electric operating mechanism provided by the utility model
Galvanic electricity source module wiring diagram；
Fig. 6 is electricity in the control device of high-voltage circuitbreaker switched capacitor network electric operating mechanism provided by the utility model
Machine Rotating speed measring circuit diagram；
Fig. 7 be high-voltage circuitbreaker switched capacitor network electric operating mechanism provided by the utility model control device in suddenly
That position sensor wiring diagram；
Fig. 8 is position in the control device of high-voltage circuitbreaker switched capacitor network electric operating mechanism provided by the utility model
Set capture circuit diagram；
Fig. 9 be high-voltage circuitbreaker switched capacitor network electric operating mechanism provided by the utility model control device in suddenly
That current sensor wiring diagram；
Figure 10 is in the control device of high-voltage circuitbreaker switched capacitor network electric operating mechanism provided by the utility model
Coil current detection circuit schematic diagram；
Figure 11 is in the control device of high-voltage circuitbreaker switched capacitor network electric operating mechanism provided by the utility model
Angular displacement sensor wiring diagram；
Figure 12 is in the control device of high-voltage circuitbreaker switched capacitor network electric operating mechanism provided by the utility model
Rotor stroke detection circuit schematic diagram；
Figure 13 is in the control device of high-voltage circuitbreaker switched capacitor network electric operating mechanism provided by the utility model
Rectifier bridge wiring diagram；
Figure 14 is in the control device of high-voltage circuitbreaker switched capacitor network electric operating mechanism provided by the utility model
Switched capacitor network figure；
Figure 15 is in the control device of high-voltage circuitbreaker switched capacitor network electric operating mechanism provided by the utility model
Capacitance voltage monitoring and charging circuit schematic diagram；
Figure 16 is in the control device of high-voltage circuitbreaker switched capacitor network electric operating mechanism provided by the utility model
IGBT full bridge rectifier schematic diagram；
Figure 17 is in the control device of high-voltage circuitbreaker switched capacitor network electric operating mechanism provided by the utility model
Remote controller module wiring diagram.
In figure: 1, DC power supplier, 2, pressure regulator, 3, Hall current sensor, 4, rotary encoder, 5, hall position
Sensor, 501, Hall disc, 502, Hall element, 6, angular displacement sensor, 7, coil current detection circuit, 701 first operations
Amplifier, 702 second operational amplifiers, 8, motor speed detection circuit, 9, position capture circuit, the 901, first lowering and stabilizing blood pressure
Device, 902, first capacitor, the 903, second capacitor, 10, rotor stroke detection circuit, the 1001, second voltage-releasing voltage stabilizer, 1002,
Three capacitors, the 1003, the 4th capacitor, 11, rectifier bridge, 12, switched capacitor network, 13, capacitance voltage monitoring and charging circuit, 14,
Remote controller module, 15, dsp processor, 16, driving circuit, 17, IGBT full bridge rectifier, 18, permanent-magnet brushless DC electric machine.
Specific embodiment
Below in conjunction with the attached drawing in utility model embodiment, the technical solution in utility model embodiment is carried out clear
Chu is fully described by,
As shown in Figure 1, the utility model provides a kind of control of high-voltage circuitbreaker switched capacitor network electric operating mechanism
Device processed, the device include DC power supplier 1, pressure regulator 2, Hall current sensor 3, rotary encoder 4, hall position biography
Sensor 5, angular displacement sensor 6, coil current detection circuit 7, motor speed detection circuit 8, position capture circuit 9, rotor row
Journey detection circuit 10, rectifier bridge 11, switched capacitor network 12, capacitance voltage monitoring and charging circuit 13, remote controller module 14,
Dsp processor 15, driving circuit 16, IGBT full bridge rectifier 17 and permanent-magnet brushless DC electric machine 18；
The switched capacitor network 12 includes energy-storage capacitor, rectifier diode and IGBT；
The DC power supplier 1 and pressure regulator 2 are electrically connected alternating current, the output end difference of the DC power supplier 1
It is electrically connected the input terminal of Hall current sensor 3, the input terminal of rotary encoder 4, the input terminal of hall position sensor 5, angle
The input terminal of displacement sensor 6, the first input end of coil current detection circuit 7, the end VCC of dsp processor 15 and driving electricity
The end VCC on road 16, the second input terminal of the output end electric connection line loop current detection circuit 7 of the Hall current sensor 3, institute
State rotary encoder 4 output end electrical connection motor speed detection circuit 8 input terminal, the hall position sensor 5 it is defeated
Outlet electrically connecting position captures the input terminal of circuit 9, the output end electrical connection rotor stroke detection electricity of the angular displacement sensor 6
The input terminal on road 10, the first output end and second output terminal of the pressure regulator 2 are electrically connected the first input of rectifier bridge 11
End and the second input terminal, the first output end of the rectifier bridge 11 are electrically connected the anode of energy-storage capacitor in switched capacitor network 12
With the anode of rectifier diode, the anode of the anode of energy-storage capacitor and rectifier diode is simultaneously in the switched capacitor network 12
It is electrically connected the first input end of capacitance voltage monitoring and charging circuit 13, the second output terminal of the rectifier bridge 11 is electrically connected capacitor
First output end of the second input terminal of voltage monitoring and charging circuit 13, the capacitance voltage monitoring and charging circuit 13 is electrically connected
Connect the cathode of energy-storage capacitor in switched capacitor network 12, the output end of the coil current detection circuit 7, motor speed detection
The output end of circuit 8, position capture the output end of circuit 9, the output end of rotor stroke detection circuit 10, remote controller module 14
Output end and the second output terminal of voltage monitoring and charging circuit 13 be electrically connected the different input terminals of dsp processor 15,
The output end of the dsp processor 15 is electrically connected the third input terminal and driving electricity of capacitance voltage monitoring and charging circuit 13
The output end of the input terminal on road 16, the driving circuit 16 is electrically connected the input terminal and switch of IGBT full bridge rectifier 17
IGBT input terminal in capacitance network 12,17 first output end of IGBT full bridge rectifier are electrically connected switched capacitor network 12
The negative pole end of middle energy-storage capacitor, and the positive terminal of energy-storage capacitor is electrically connected IGBT full-bridge rectification electricity in switched capacitor network 12
The input terminal on road 17, second output terminal, third output end and the 4th output end of the IGBT full bridge rectifier 17 are electric respectively
Connect the three-phase input end of 18 operating mechanism of permanent-magnet brushless DC electric machine.
As shown in Fig. 2, the driving circuit 16 is the driving circuit using seven unit IGBT driving board DA962D7 of model
16, and boost operations are carried out to the pwm signal of dsp processor 15, it realizes to effective on and off of IGBT, can obtain good
Good rise and fall realize the driving of IGBT full bridge rectifier, the IGBT full bridge rectifier 17 is by six along wave
IGBT and sustained diode1~D6It constitutes, the model Infineon FF300R17KE3 of six IGBT, the driving
The GND pin of circuit 16 is grounded, and+15V the pin of the VCC pin electrical connection DC power supplier 1 of driving circuit 16, the drive
SPWM1~sPWM7 pin of dynamic circuit 16 is electrically connected PWM1~PWM7 pin of dsp processor 15, the driving circuit
The pin of 16 Output1~6 is electrically connected T1~T6 pin of IGBT full bridge rectifier 17, and the electrical connection of Output7 pin is opened
The end T7 of IGBT in powered-down content network 12.
As shown in figure 3, the rotary encoder 4 is mounted on high-voltage circuitbreaker switched capacitor network electric operating mechanism main shaft
Coaxial position, in high-voltage circuitbreaker switched capacitor network electric operating mechanism rotation process, rotary encoder 4 is used to acquire height
The tach signal of voltage breaker switched capacitor network electric operating mechanism, and rotary encoder 4 uses model E6B2-
The rotary encoder of CWZ1X1000P/R, the model of the bus transceiver of the motor speed detection circuit 8
SN74LVCH245A, as shown in figure 4, the model MS320F28335 of the dsp processor 15, dsp processor 15 break for height
The core processor of road device switched capacitor network electric operating mechanism control device is grasped in high pressure GIS disconnecting switch swing angle electric
In motivation structure rotation process, to the tach signal of the high-voltage circuitbreaker switched capacitor network electric operating mechanism obtained in real time, three
The current signal and angular displacement signal of phase coil carry out PID control, adjust high-voltage circuitbreaker switched capacitor network motor behaviour in real time
The revolving speed of motivation structure, and control instruction is issued to the IGBT of capacitance voltage detection, charging circuit and switched capacitor network 12, such as
Shown in Fig. 5 ,+5V the pin of the 0 pin electrical connection DC power supplier 1 of the rotary encoder 4, the rotary encoder 4
1 pin ground connection, the A1 pin of the 2 pins electrical connection motor speed detection circuit 8 of rotary encoder 4, as shown in fig. 6, motor turns
Fast detection circuit 8 is used to obtain the revolving speed of the high-voltage circuitbreaker switched capacitor network electric operating mechanism of the acquisition of rotary encoder 4
Signal realizes the high-precision level conversion of 5V to 3V, and tach signal is passed to dsp processor 15, the motor speed detection
The CAP4 pin of the B1 pin electrical connection dsp processor 15 of circuit 8, the VCC pin and DIR pin of motor speed detection circuit 8
It is electrically connected the power supply of 3.3V, and the OE pin of motor speed detection circuit 8, GND pin and A4 pin~A8 pin are grounded；
As shown in fig. 7, the hall position sensor 5 includes Hall disc 501 and three Hall elements 502, each Hall
The model TO-92UA of element 502, each Hall element 502 are fixedly mounted on high-voltage circuitbreaker switched capacitor network electricity
The different location of machine operating mechanism End-hall disk 501, in motor rotation process, hall position sensor 5 is used to acquire height
The position signal of voltage breaker switched capacitor network electric operating mechanism rotor, as shown in figure 8, position capture circuit 9 obtains suddenly
The position signal for the rotor that your position sensor 5 acquires, and the 5V output signal is converted into 3V signal, the position of rotor is believed
Dsp processor 15 number is passed to, there are three the numbers of the position capture circuit 9, and each position capture circuit 9 includes first
Voltage-releasing voltage stabilizer 901, first capacitor 902 and the second capacitor 903, the model LTI930 of the voltage-releasing voltage stabilizer 901, described
The input terminal of one end electrical connection voltage-releasing voltage stabilizer 901 of one capacitor 902, the other end ground connection of first capacitor 902, second electricity
Hold the output end of 903 one end electrical connection voltage-releasing voltage stabilizer 901, the other end ground connection of the second capacitor 903, and voltage-releasing voltage stabilizer
901 ground terminal ground connection, and 1 pin of the input terminal of voltage-releasing voltage stabilizer 901 as position capture circuit 9, voltage-releasing voltage stabilizer 901
2 pins of the output end as position capture circuit 9, the ground terminal of voltage-releasing voltage stabilizer 901 0 draws as what position captured circuit 9
0 pin of foot, each Hall element 502 is electrically connected the+5V pin of DC power supplier 1, and each Hall element 502
1 pin ground connection, the A pin of each Hall element 502, B pin and the equal electrically connecting position capture circuit 9 of C pin 1 draw
2 pins of foot, the 0 pin ground connection of each position capture circuit 9, each position capture circuit 9 are electrically connected DSP
CAP1 pin, CAP2 pin and the CAP3 pin of processor 15；
As shown in figure 9, the number of the Hall current sensor 3 is three, the type of each Hall current sensor 3
Number be CHF-400B, Hall current sensor 3 pass through high-voltage circuitbreaker switched capacitor network electric operating mechanism three-phase coil,
In high-voltage circuitbreaker switched capacitor network electric operating mechanism rotation process, Hall current sensor 3 acquires three-phase coil
Current signal, 0 pin and 1 pin of Hall current sensor are electrically connected the+12V pin of DC power supplier and -12V draws
Foot, the 3 pins ground connection of Hall current sensor, as shown in Figure 10, Hall current of the coil current detection circuit 7 for acquisition pass
Current signal is passed to dsp processor 15, guarantees external circuit and control by the current signal for the three-phase coil that sensor 3 acquires
The electrical isolation of circuit, improves acquisition precision, and each coil current detection circuit 7 includes 701 He of the first operational amplifier
Second operational amplifier 702,0 pin of the input terminal of first operational amplifier 701 as coil current detection circuit 7,
1 pin of the output end of the second operational amplifier 702 as coil current detection circuit 7, first operational amplifier
2 pins and 3 pins of 701 cathode and anode respectively as coil current detection circuit 7, the second operational amplifier 702
Anode and cathode respectively as coil current detection circuit 74 pins and 5 pins；The 0 of the coil current detection circuit 7
Pin is electrically connected 2 pins of Hall current sensor 3, and 1 pin of each coil current detection circuit 7 is electrically connected
ADCINB0 pin, ADCINB1 pin and the ADCINB2 pin of dsp processor 15,2 Hes of the coil current detection circuit 7
4 pins are electrically connected the+12V pin of DC power supplier 1, and 3 and 5 pins of the coil current detection circuit 7 are electrically connected
- 12V the pin of DC power supplier 1；
As shown in figure 11, the 6 model WDD35D4 of angular displacement sensor, the angular displacement sensor 6 are mounted on high pressure
Killer switch capacitance network electric operating mechanism main shaft coaxial position, in motor rotation process, angular displacement sensor 6 is acquired
The angular displacement signal of high-voltage circuitbreaker switched capacitor network electric operating mechanism, as shown in figure 12, the rotor stroke detection electricity
The model LM3940 of second voltage-releasing voltage stabilizer 1001 on road 10, angular displacement of the rotor stroke detection circuit 10 for acquisition pass
The angular displacement signal for the high-voltage circuitbreaker switched capacitor network electric operating mechanism that sensor 6 acquires, and realize the level of 5V to 3V
Angular displacement signal is passed to dsp processor 15 by conversion, and the rotor stroke detection circuit 10 includes the second voltage-releasing voltage stabilizer
1001, one end of third capacitor 1002 and the 4th capacitor 1003, the third capacitor 1002 is electrically connected the second voltage-releasing voltage stabilizer
The second decompression of one end electrical connection of 1001 input terminal, the other end ground connection of third capacitor 1002, the 4th capacitor 1003 is steady
The ground terminal ground connection of the output end of depressor 1001,1003 other end of the 4th capacitor ground connection, and the second voltage-releasing voltage stabilizer 1001, and
1 pin of the input terminal of second voltage-releasing voltage stabilizer 1001 as rotor stroke detection circuit 10, the second voltage-releasing voltage stabilizer 1001
The ground terminal of 2 pins of the output end as rotor stroke detection circuit 10, the second voltage-releasing voltage stabilizer 1001 is examined as rotor stroke
0 pin of slowdown monitoring circuit 10, the 2 pins ground connection of the angular displacement sensor 6, the 0 pin electrical connection of the angular displacement sensor 6
+ 5V the pin of DC power supplier 1, and 1 pin of the 1 pin electrical connection rotor stroke detection circuit 10 of angular displacement sensor 6,
0 pin of the rotor stroke detection circuit 10 is grounded, and 2 pins of rotor stroke detection circuit 10 are electrically connected dsp processor
15 ADCINA4 pin, the and+5V pin of the VCC pin electrical connection DC power supplier 1 of dsp processor 15.
As shown in figure 13, the model 6RI100G-160 of the rectifier bridge 11, rectifier bridge 11 are used for the friendship of pressure regulator 2
Galvanic electricity is changed into direct current, is filled by the energy-storage capacitor that capacitance voltage detection and charging circuit 13 are switched capacitor network 12
Electricity, the first output end and second output terminal of 0 pin of the rectifier bridge 11 and 1 pin electrical connection pressure regulator 2, the rectifier bridge
11 2 pins electrical connection capacitance voltage detection and 4 pins of charging circuit 13,3 pins of the rectifier bridge 11 are electrically connected switch
The anode of energy-storage capacitor in capacitance network 12.
As shown in figure 14, energy-storage capacitor includes cross capacitance C1 and cross capacitance C2 in the switched capacitor network 12,
The anode of the cross capacitance C1 and the just extremely anode of energy-storage capacitor of cross capacitance C2, the cathode of the cross capacitance C1
It is the cathode of energy-storage capacitor with the cathode of cross capacitance C2, rectifier diode includes diode D7 and diode D8, and described two
The anode of pole pipe D7 is the anode of rectifier diode, and the anode of the diode D8 is the cathode of rectifier diode, the intersection
Capacitor C1 is identical as the specifications parameter of cross capacitance C2, and diode D7 is identical as the specifications parameter of diode D8, the intersection electricity
The voltage swing for holding C1 and the both ends cross capacitance C2 is equal, and when IGBT conducting, diode D7, D8 cut-off, capacitor C1, C2 intersect
Discharged in series, discharge voltage is 2 times of tank voltage in parallel at this time, and response time when electric motor starting can be effectively reduced,
The branch wire time for shortening breaker, improves the divide-shut brake speed of breaker.
As shown in figure 15, capacitance voltage detection and charging circuit 13 are for the output voltage of energy-storage capacitor to be depressured
Energy-storage capacitor output voltage is reduced after 200 times and is supplied to dsp processor 15 by processing, while being realized to energy-storage capacitor
Charging, the capacitance voltage detection and charging circuit 13 include capacitance voltage detection circuit and capacitance voltage charging circuit, described
Capacitance voltage detection circuit includes the first linear optical coupling and operational amplifier, and the capacitance voltage charging circuit includes second linear
Optocoupler and IGBT, and the model of the first linear optical coupling and the second linear optical coupling is HCNR200, the model of the operational amplifier
For OP07, the input terminal of first linear optical coupling is being electrically connected in switched capacitor network 12 energy-storage capacitor just by inductance L1
The pole ,+5V pin of the end the VCC electrical connection DC power supplier 1 of the first linear optical coupling, the output end of first linear optical coupling are logical
It is electrically connected after crossing parallel resistance R2 with the input terminal of operational amplifier, and the other end ground connection of resistance R2, the operational amplifier
Output end pass through first series resistance R6 and be electrically connected again with the ADCINA0 pin of dsp processor 15 after shunt capacitance C3, and capacitor
The other end of C3 is grounded ,+12V the pin of the negative pole end electrical connection DC power supplier 1 of the operational amplifier, operational amplifier
Positive terminal electrical connection DC power supplier 1+12V pin, photodiode passes through diode in first linear optical coupling
D2 is in parallel with resistance R1 and resistance R7, and the input terminal of photodiode passes through first shunt capacitance C4 again in second linear optical coupling
The GPIO54 pin of dsp processor 15 is electrically connected with after resistance R4 series connection, the other end ground connection of capacitor C4, described second is linear
The end of incoming cables of optocoupler light emitting diode output end is by after shunt capacitance C2, capacitor C1 and diode D1 and switched capacitor network
The cathode connection of energy-storage capacitor in 12, the leading-out terminal of the second linear optical coupling light emitting diode output end by resistance R5 with
IGBT grid is connected, and one end of the input terminal parallel resistance R3 of R5, the cathode of the other end parallel diode D3 of resistance R5, institute
It states resistance R3 and connects capacitor C2, the capacitance voltage detection and the 2 pins electrical connection of charging circuit 13 with the anode of diode D3
3 pins of the ADCINA0 pin of dsp processor 15, the capacitance voltage detection and charging circuit 13 are electrically connected DSP processor
15 GPIO54 pin.
As shown in figure 16, the IGBT full bridge rectifier 17 is by six IGBT and sustained diode1~D6It constitutes,
On and off of the GBT full bridge rectifier 17 by control IGBT, the model Infineon of six IGBT
FF300R17KE3, the IGBT full bridge rectifier 17 0 pin electrical connection switched capacitor network 12 in energy-storage capacitor just
Pole, 1 pin of the IGBT full bridge rectifier 17 are electrically connected the cathode of energy-storage capacitor in switched capacitor network 12, IGBT
T1~T6 pin of full bridge rectifier 17 is electrically connected the G pin of driving circuit 16, and the 2~7 of IGBT full bridge rectifier
Pin is electrically connected the C pin of driving circuit, and 8~13 pins of IGBT full bridge rectifier 17 are electrically connected driving circuit
E pin, 14~16 pins of IGBT full bridge rectifier be electrically connected respectively 18 operating mechanism of permanent-magnet brushless DC electric machine A, B,
C three-phase coil.
As shown in figure 17, the model PT2272-M4 of the remote controller module 14, the first of the remote controller module 14 are defeated
Outlet, second output terminal and third output end be electrically connected the GPIO49 pin of dsp processor 15, GPIO51 pin and
GPIO53 pin.
The control method of the high-voltage circuitbreaker switched capacitor network electric operating mechanism, using above-mentioned high-voltage circuitbreaker
The control device of switched capacitor network electric operating mechanism is realized, which comprises
Step 1 manually controls remote controller module 14, and remote controller module 14 is made to issue conducting capacitor electricity to dsp processor 15
The instruction of the IGBT of pressure detection and charging circuit 13 makes the IGBT conducting in capacitance voltage detection and charging circuit 13, utility grid
220V voltage charge by energy-storage capacitor of the rectifier bridge 11 into switched capacitor network 12, while utility grid is passed through
DC power supplier 1 is to Hall current sensor 3, rotary encoder 4, hall position sensor 5, angular displacement sensor 6, DSP
Processor 15, coil current detection circuit 7 and driving circuit 16 are powered；
Step 2, capacitance voltage detection and charging circuit 13 contract the voltage of the energy-storage capacitor in switched capacitor network 12
Small 200 times and dsp processor 15 is sent to, when the energy-storage capacitor voltage value in switched capacitor network 12 reaches through pressure regulator 2
When 200V, dsp processor 15 is detected to capacitance voltage and charging circuit 13 issues pick-off signal, is terminated to switched capacitor network
The charging of energy-storage capacitor in 12；
Step 3 continues to manually control remote controller module 14, make remote controller module 14 to dsp processor 15 issue separating brake or
Control command is issued to switched capacitor network 12 while closing operation instructs, makes the energy-storage capacitor in switched capacitor network 12
Change connection type and is powered by operating mechanism of the IGBT full bridge rectifier 17 to permanent-magnet brushless DC electric machine 18；
Step 4, dsp processor 15 control hall position sensor 5 and acquire high-voltage circuitbreaker switched capacitor network motor behaviour
The position signal of the rotor of motivation structure, dsp processor 15 control rotary encoder 4 and acquire high-voltage circuitbreaker switched capacitor network electricity
The tach signal of machine operating mechanism, dsp processor 15 control Hall current sensor 3 and acquire high-voltage circuitbreaker switched capacitor network
The current signal of the three-phase coil of electric operating mechanism, dsp processor 15 control the acquisition high-voltage circuitbreaker of angular displacement sensor 6 and open
The angular displacement signal of powered-down content network electric operating mechanism；
Step 5, IGBT full bridge rectifier 17 are according to the collected high-voltage circuitbreaker switching capacity of hall position sensor 5
In network motors operating mechanism rotor position signal control IGBT full bridge rectifier 17 in IGBT turn-on sequence with open
The conducting of IGBT in powered-down content network 12 drives the rotation of 18 operating mechanism of permanent-magnet brushless DC electric machine, realizes that adjusting height breaks
The revolving speed of device switched capacitor network motor operating mechanism and the control of switching network state；
Step 6, in 18 rotation process of permanent-magnet brushless DC electric machine, the height that motor speed detection circuit 8 obtains is broken
The current signal and rotor that the tach signal of road device switched capacitor network electric operating mechanism, coil current detection circuit 8 obtain
The angular displacement signal that stroke detection circuit 9 obtains sends dsp processor 15 to；
Step 7, dsp processor 15 turn according to the high-voltage circuitbreaker switched capacitor network electric operating mechanism obtained in real time
Fast signal, the current signal of three-phase coil and angular displacement signal carry out PID control；
Step 8, dsp processor 15 issue control command and close through the IGBT in 16 control switch capacitance network 12 of driving circuit
It is disconnected, so that high-voltage circuitbreaker switched capacitor network electric operating mechanism is completed separating brake or closing operation.
Working principle: the utility model is filled through pressure regulator 2 and rectifier bridge 11 to switched capacitor network 12 by alternating current
Electric energy storage is charged in energy storage stage switched capacitor network 12 using parallel way, in electric operating mechanism movement, the main place DSP
It manages device 15 and issues the conducting that two paths of signals controls IGBT via driving circuit 16, and capacitor is discharged using concatenated mode,
Simultaneously using rotary encoder 4, angular displacement sensor 6 and Hall current sensor 3 to the revolving speed of permanent-magnet brushless DC electric machine 18,
Angular displacement and coil current are acquired in real time, and the signal of acquisition testing is fed back to dsp processor 15, dsp processor 15
The rotation process of permanent-magnet brushless DC electric machine 18 is adjusted according to acquisition signal the conducting and closing of simultaneously control switch pipe, when
At divide-shut brake latter stage, switched capacitor network 12 is changed to parallel form immediately, prepares for next circuit-breaker switching on-off.
Claims (7)
1. a kind of control device of high-voltage circuitbreaker switched capacitor network electric operating mechanism, it is characterised in that: the device includes
DC power supplier (1), pressure regulator (2), Hall current sensor (3), rotary encoder (4), hall position sensor (5),
Angular displacement sensor (6), coil current detection circuit (7), motor speed detection circuit (8), position capture circuit (9), rotor
Stroke detection circuit (10), rectifier bridge (11), switched capacitor network (12), capacitance voltage monitoring and charging circuit (13), remote control
Device module (14), dsp processor (15), driving circuit (16), IGBT full bridge rectifier (17) and permanent-magnet brushless DC electric machine
(18)；
The switched capacitor network (12) includes energy-storage capacitor, rectifier diode and IGBT；
The DC power supplier (1) and pressure regulator (2) are electrically connected alternating current, the output end point of the DC power supplier (1)
Not electricity Lian Jie the input terminal of Hall current sensor (3), the input terminal of rotary encoder (4), hall position sensor (5) it is defeated
Enter end, the input terminal of angular displacement sensor (6), the first input end of coil current detection circuit (7), dsp processor (15)
The output end electric connection line loop current at the end VCC at the end VCC and driving circuit (16), the Hall current sensor (3) detects electricity
Second input terminal on road (7), the input terminal of output end electrical connection motor speed detection circuit (8) of the rotary encoder (4),
The input terminal of output end electrically connecting position capture circuit (9) of the hall position sensor (5), the angular displacement sensor
(6) input terminal of output end electrical connection rotor stroke detection circuit (10), the first output end and second of the pressure regulator (2)
Output end is electrically connected the first input end and the second input terminal of rectifier bridge (11), the first output end of the rectifier bridge (11)
It is electrically connected the anode of the anode and rectifier diode of energy-storage capacitor in switched capacitor network (12), the switched capacitor network
(12) anode of energy-storage capacitor is electrically connected capacitance voltage monitoring and charging circuit (13) with the anode of rectifier diode simultaneously in
First input end, the rectifier bridge (11) second output terminal electrical connection capacitance voltage monitoring and charging circuit (13) second
First output end of input terminal, the capacitance voltage monitoring and charging circuit (13) is electrically connected energy storage in switched capacitor network (12)
The cathode of capacitor, output end, the output end of motor speed detection circuit (8), position of the coil current detection circuit (7)
Capture the output end and voltage of the output end of circuit (9), the output end of rotor stroke detection circuit (10), remote controller module (14)
The second output terminal of monitoring and charging circuit (13) is electrically connected the different input terminals of dsp processor (15), the DSP processing
The output end of device (15) is electrically connected the third input terminal and driving circuit (16) of capacitance voltage monitoring and charging circuit (13)
Input terminal, the output end of the driving circuit (16) is electrically connected the input terminal and switch of IGBT full bridge rectifier (17)
IGBT input terminal in capacitance network (12), (17) first output end of IGBT full bridge rectifier are electrically connected switching capacity net
The negative pole end of energy-storage capacitor in network (12), and in switched capacitor network (12) energy-storage capacitor positive terminal electrical connection IGBT it is complete
The input terminal of bridge rectification circuit (17), the second output terminal of the IGBT full bridge rectifier (17), third output end and the 4th
Output end is electrically connected the three-phase input end of permanent-magnet brushless DC electric machine (18) operating mechanism.
2. a kind of control device of high-voltage circuitbreaker switched capacitor network electric operating mechanism according to claim 1,
It is characterized in that, the model E6B2-CWZ1X1000P/R that the rotary encoder (4) uses, the motor speed detection circuit
(8) the model SN74LVCH245A of bus transceiver, the model MS320F28335 of the dsp processor (15), institute
State+5V the pin of 0 pin electrical connection DC power supplier (1) of rotary encoder (4), 1 pin of the rotary encoder (4)
Ground connection, the A1 pin of 2 pins electrical connection motor speed detection circuit (8) of rotary encoder (4), the motor speed detection electricity
The CAP4 pin of B1 pin electrical connection dsp processor (15) on road (8), the VCC pin and DIR of motor speed detection circuit (8)
Pin is electrically connected the power supply of 3.3V, and the OE pin of motor speed detection circuit (8), GND pin and A4 pin~A8 pin
It is grounded；
The hall position sensor (5) includes Hall disc (501) and three Hall elements (502), each Hall element
(502) model TO-92UA, each Hall element (502) are fixedly mounted on high-voltage circuitbreaker switched capacitor network electricity
The different location of machine operating mechanism End-hall disk (501), there are three the numbers of position capture circuit (9), each described
It includes the first voltage-releasing voltage stabilizer (901), first capacitor (902) and the second capacitor (903), the decompression that position, which captures circuit (9),
The model LTI930 of voltage-stablizer (901), the input of one end electrical connection voltage-releasing voltage stabilizer (901) of the first capacitor (902)
End, the other end ground connection of first capacitor (902), one end of second capacitor (903) is electrically connected the defeated of voltage-releasing voltage stabilizer (901)
Outlet, the other end ground connection of the second capacitor (903), and the ground terminal ground connection of voltage-releasing voltage stabilizer (901), and voltage-releasing voltage stabilizer
(901) output end of 1 pin of the input terminal as position capture circuit (9), voltage-releasing voltage stabilizer (901) captures electricity as position
2 pins on road (9), 0 pin of the ground terminal of voltage-releasing voltage stabilizer (901) as position capture circuit (9), each Hall member
0 pin of part (502) is electrically connected the+5V pin of DC power supplier (1), and 1 pin of each Hall element (502) connects
Ground, A pin, B pin and the equal electrically connecting position of C pin of each Hall element (502) capture 1 pin of circuit (9), often
2 pins of the 0 pin ground connection of a position capture circuit (9), each position capture circuit (9) are electrically connected DSP
CAP1 pin, CAP2 pin and the CAP3 pin of processor (15)；
The number of the Hall current sensor (3) is three, the model CHF- of each Hall current sensor (3)
400B, 0 pin and 1 pin of Hall current sensor (3) are electrically connected+12V pin and -12V of DC power supplier (1)
Pin, the 3 pins ground connection of Hall current sensor (3), each coil current detection circuit (7) includes the first operation amplifier
The input terminal of device (701) and second operational amplifier (702), first operational amplifier (701) is detected as coil current
0 pin of circuit (7), 1 pin of the output end of the second operational amplifier (702) as coil current detection circuit (7),
The cathode of first operational amplifier (701) and positive 2 pins and 3 pins respectively as coil current detection circuit (7),
4 pins and 5 pins of the anode and cathode of the second operational amplifier (702) respectively as coil current detection circuit (7)；
2 pins of 0 pin electrical connection Hall current sensor (3) of the coil current detection circuit (7), each coil current
The ADCINB0 pin, ADCINB1 pin and ADCINB2 that 1 pin of detection circuit (7) is electrically connected dsp processor (15) draw
2 and 4 pins of foot, the coil current detection circuit (7) are electrically connected the+12V pin of DC power supplier (1), the line
3 and 5 pins of loop current detection circuit (7) are electrically connected the -12V pin of DC power supplier (1)；
Angular displacement sensor (6) the model WDD35D4, the second voltage-releasing voltage stabilizer of the rotor stroke detection circuit (10)
(1001) model LM3940, the rotor stroke detection circuit (10) include the second voltage-releasing voltage stabilizer (1001), third electricity
Hold (1002) and the 4th capacitor (1003), one end electrical connection the second voltage-releasing voltage stabilizer (1001) of the third capacitor (1002)
Input terminal, the other end ground connection of third capacitor (1002), one end of the 4th capacitor (1003) is electrically connected the second lowering and stabilizing blood pressure
The ground terminal ground connection of the output end of device (1001), the 4th capacitor (1003) other end ground connection, and the second voltage-releasing voltage stabilizer (1001),
And second voltage-releasing voltage stabilizer (1001) 1 pin of the input terminal as rotor stroke detection circuit (10), the second voltage-releasing voltage stabilizer
(1001) ground terminal of 2 pins of the output end as rotor stroke detection circuit (10), the second voltage-releasing voltage stabilizer (1001) is made
2 pins for 0 pin of rotor stroke detection circuit (10), the angular displacement sensor (6) are grounded, the angular displacement sensor
(6)+5V the pin of 0 pin electrical connection DC power supplier (1), and 1 pin of angular displacement sensor (6) is electrically connected rotor row
1 pin of journey detection circuit (10), the 0 pin ground connection of the rotor stroke detection circuit (10), and rotor stroke detection circuit
(10) the ADCINA4 pin of 2 pins electrical connection dsp processor (15), and the VCC pin electrical connection of dsp processor (15) is straight
+ 5V the pin of galvanic electricity source module (1).
3. a kind of control device of high-voltage circuitbreaker switched capacitor network electric operating mechanism according to claim 2,
It is characterized in that, energy-storage capacitor includes cross capacitance C1 and cross capacitance C2, the intersection in the switched capacitor network (12)
The anode of capacitor C1 and the just extremely anode of energy-storage capacitor of cross capacitance C2, the cathode of the cross capacitance C1 and intersect electricity
The cathode for holding C2 is the cathode of energy-storage capacitor, and rectifier diode includes diode D7 and diode D8, the diode D7's
Anode is the anode of rectifier diode, and the anode of the diode D8 is the cathode of rectifier diode, the cross capacitance C1 with
The specifications parameter of cross capacitance C2 is identical, and diode D7 is identical as the specifications parameter of diode D8, the cross capacitance C1 and friendship
The voltage swing for pitching the both ends capacitor C2 is equal.
4. a kind of control device of high-voltage circuitbreaker switched capacitor network electric operating mechanism according to claim 3,
It is characterized in that, the driving circuit (16) is the seven unit IGBT driving boards using model DA962D7, and the IGBT full-bridge is whole
Current circuit (17) is by six IGBT and sustained diode1~D6It constitutes, the model of six IGBT
InfineonFF300R17KE3, the GND pin ground connection of the driving circuit (16), and the VCC pin of driving circuit (16) is electrically connected
+ 15V the pin of DC power supplier (1) is connect, sPWM1~sPWM7 pin of the driving circuit (16) is electrically connected at DSP
Manage PWM1~PWM7 pin of device (15), the pin of the Output1~6 electrical connection IGBT full-bridge rectification electricity of the driving circuit (16)
T1~T6 pin on road (17), and the end T7 of the IGBT in Output7 pin electrical connection switched capacitor network (12).
5. a kind of control device of high-voltage circuitbreaker switched capacitor network electric operating mechanism according to claim 4,
It is characterized in that, the capacitance voltage detection and charging circuit (13) include capacitance voltage detection circuit and capacitance voltage charging electricity
Road, the capacitance voltage detection circuit include the first linear optical coupling and operational amplifier, and the capacitance voltage charging circuit includes
Second linear optical coupling and IGBT, and the model of the first linear optical coupling and the second linear optical coupling is HCNR200, the operation amplifier
The input terminal of the model OP07 of device, first linear optical coupling pass through energy storage in inductance L1 electrical connection switched capacitor network (12)
The anode of capacitor ,+5V the pin of the end VCC electrical connection DC power supplier (1) of the first linear optical coupling, described first is linear
The output end of optocoupler is electrically connected after passing through parallel resistance R2 with the input terminal of operational amplifier, and the other end ground connection of resistance R2,
The output end of the operational amplifier passes through the ADCINA0 after first series resistance R6 again shunt capacitance C3 with dsp processor (15)
Pin electrical connection, and the other end ground connection of capacitor C3, negative pole end electrical connection DC power supplier (1) of the operational amplifier
+ 12V the pin ,+12V pin of positive terminal electrical connection DC power supplier (1) of operational amplifier, in first linear optical coupling
Photodiode is in parallel with resistance R1 and resistance R7 by diode D2, the input of photodiode in second linear optical coupling
End is electrically connected the GPIO54 pin of dsp processor (15) by first shunt capacitance C4 later with resistance R4 series connection again, capacitor C4's
The end of incoming cables of other end ground connection, the second linear optical coupling light emitting diode output end passes through shunt capacitance C2, capacitor C1 and two
It is connect after pole pipe D1 with the cathode of energy-storage capacitor in switched capacitor network (12), the second linear optical coupling light emitting diode
The leading-out terminal of output end is connected by resistance R5 with IGBT grid, and one end of the input terminal parallel resistance R3 of R5, resistance R5's
The cathode of other end parallel diode D3, the resistance R3 connect capacitor C2, the capacitance voltage inspection with the anode of diode D3
It surveys and the ADCINA0 pin of 2 pins of charging circuit (13) electrical connection dsp processor (15), the capacitance voltage is detected and filled
The GPIO54 pin of 3 pins electrical connection dsp processor (15) of circuit (13).
6. a kind of control device of high-voltage circuitbreaker switched capacitor network electric operating mechanism according to claim 5,
It is characterized in that, the model 6RI100G-160 of the rectifier bridge (11), 0 pin of the rectifier bridge (11) and the electrical connection of 1 pin
The 2 pins electrical connection capacitance voltage of the first output end and second output terminal of pressure regulator (2), the rectifier bridge (11) is detected and is filled
4 pins of circuit (13), the rectifier bridge (11) 3 pins electrical connection switched capacitor network (12) in energy-storage capacitor just
Pole.
7. a kind of control device of high-voltage circuitbreaker switched capacitor network electric operating mechanism according to claim 5,
It is characterized in that, the model PT2272-M4 of the remote controller module (14), the first output end of the remote controller module (14),
Second output terminal and third output end are electrically connected the GPIO49 pin, GPIO51 pin and GPIO53 of dsp processor (15)
Pin.
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| CN109801815A (en) * | 2019-03-19 | 2019-05-24 | 广东电网有限责任公司 | A kind of novel high-voltage circuit-breaker and its control method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109801815A (en) * | 2019-03-19 | 2019-05-24 | 广东电网有限责任公司 | A kind of novel high-voltage circuit-breaker and its control method |
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