CN207150470U - Fly press switched Reluctance Motor Control System - Google Patents
Fly press switched Reluctance Motor Control System Download PDFInfo
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- CN207150470U CN207150470U CN201721208753.7U CN201721208753U CN207150470U CN 207150470 U CN207150470 U CN 207150470U CN 201721208753 U CN201721208753 U CN 201721208753U CN 207150470 U CN207150470 U CN 207150470U
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Abstract
A kind of fly press switched Reluctance Motor Control System of the utility model belongs to fly press driving system for switched reluctance field；Including micro-control unit DSP, switched reluctance machines SRM, AVR single chip, LED show, keyboard, Switching Power Supply, power inverter；The micro-control unit DSP connects SRM by drive circuit with power inverter, the SRM passes through circuit sampling process circuit feedback link micro-control unit DSP, the SRM detects electronic feedback with position signalling by position signalling process circuit and connects micro-control unit DSP, shown and the strike volumes of keyboard to set up workpiece using the LED, ram speed during strike every time, opening speed, the data message of starting loop and backing-out punch working condition, handled by AVR single chip and be transferred to the micro-control unit DSP, Switching Power Supply provides power supply by 3.3V mu balanced circuits for whole system, the utility model, which is realized, frequently quickly to be started, braking and rotating, impact when efficiently reducing startup to power network.
Description
Technical field
A kind of fly press switched Reluctance Motor Control System of the utility model belongs to fly press switch magnetic
Hinder motor driven systems field.
Background technology
With the development of science and technology, the performance requirement of modern fly press is stricter, and fly press is in material
Occupy critically important status in processing and forming.In China forging equipment field, fly press occupies very big market ratio, accounts for
To 37%, higher than the summation of steam and air stamping hammer and hotdie forging press.
At present, the driving equipment of in the market electric screw press is mostly common electric machine, it is well known that common phase asynchronous
Motor is not suitable for being applied to the occasion of frequent starting, because threephase asynchronous machine is on startup, instant starting currents can
Reach times of rated current, power network is impacted, so reducing the startup time of asynchronous machine in practical application, should try one's best
Number.And electric screw press belongs to instant heavy equipment, in whole impulse stroke, there is sizable portion of time not
Motor is needed to contribute, so as to motor work no-load running state, and efficiency is very in no-load running for ordinary three-phase synchronous
It is low.So research electric fly press driving equipment just has highly important realistic meaning.
Utility model content
In view of the above-mentioned problems, the utility model provides a kind of fly press switched Reluctance Motor Control System, lead to
Switched reluctance machines are crossed to drive fly press, realize frequently quickly startup, braking and rotating, and switching magnetic-resistance electricity
Machine has that detent torque is big, starting current is small, impact when efficiently reducing startup to power network.
What the purpose of this utility model was realized in：
A kind of fly press switched Reluctance Motor Control System, including micro-control unit DSP, switched reluctance machines
SRM, AVR single-chip microcomputer, LED are shown, keyboard, Switching Power Supply, power inverter；The micro-control unit DSP passes through drive circuit
SRM is connected with power inverter, the SRM passes through circuit sampling process circuit feedback link micro-control unit DSP, the SRM
Electronic feedback is detected by position signalling process circuit and position signalling and connect micro-control unit DSP, using the LED show with
Ram speed when hitting volumes, hitting every time, opening speed, starting loop and the backing-out punch work shape of keyboard to set up workpiece
The data message of state, handled by AVR single chip and be transferred to the micro-control unit DSP, Switching Power Supply passes through 3.3V voltage stabilizings electricity
Road provides power supply for whole system.
Further, a kind of fly press switched Reluctance Motor Control System, the micro-control unit DSP are
One digital signal processor with PWM module, A/D modular converters, capture module and serial communication interface SCI, and with
Power down memory, outside A/D interfaces, crystal oscillating circuit, reset circuit and Switching Power Supply form minimum work system.
Further, a kind of fly press switched Reluctance Motor Control System, the AVR single chip include
ATmega16L singlechip chips, crystal oscillator, reset, data acquisition/serial communication switching switch, wherein data acquisition/serial communication
Switching switch is the on-off circuit for switching two kinds of working conditions of AVR single chip data acquisition and serial communication.
Further, a kind of fly press switched Reluctance Motor Control System, the Switching Power Supply is using electricity
Source control chip constitutes the Switching Power Supply of half-bridge structure, pio chip operating voltage and IGBT driving voltages.
Further, a kind of fly press switched Reluctance Motor Control System, the power inverter use 6
Individual IGBT forms three-phase half-bridge structure, realizes the power control to each phase windings of SRM.
Further, a kind of fly press switched Reluctance Motor Control System, the power inverter it is whole
Current circuit uses three-phase bridge rectifier circuit, and rectification bridge output end is connected to fuse, causes open circuit to prevent excessively stream.
Further, a kind of fly press switched Reluctance Motor Control System, the circuit sampling processing electricity
Road uses Hall current sensor, voltage follower of the Hall current sensor successively through operational amplifier TL084 compositions, clamped
Circuit is connected to the A/D modular converters in micro-control unit DSP.
Further, a kind of fly press switched Reluctance Motor Control System, the detection of described position signalling
Circuit is connected with blanking disc inside SRM, the voltage that blanking disc forms through slot optical coupling, infrared receiver triode, LM358 successively
The input capture port in micro-control unit DSP is connected after comparison circuit, 74HC14 Schmidt's inverter triggers.
Further, a kind of fly press switched Reluctance Motor Control System, the switched reluctance machines SRM
Including the first stator, the second stator, the first rotor and the second rotor, the first rotor and the second rotor are fixed as same turn
Axle, band dynamic load export, and the first stator and the first rotor form first switch reluctance motor, and the first stator is 24 poles, is had thereon
Winding first coil is wound, and the first rotor is 16 poles；Second stator and the second rotor form second switch reluctance motor, and second is fixed
Son is 10 poles, has the winding of the coil of winding second thereon, the second rotor is 6 poles.
Beneficial effect：
A kind of fly press switched Reluctance Motor Control System of the utility model, is shown and keyboard by LED first
Input speed value and torque value, micro-control unit DSP is transferred to after AVR single chip is handled, while is examined by position signalling
Slowdown monitoring circuit and current sample process circuit detect to switched reluctance machines SRM rotating speed and electric current, and respectively by after detection
Obtained analog signal passes to micro-control unit DSP after A/D converter is converted into data signal after treatment, through micro-control
After cells D SP calculating processed compared with given rotating speed value and given torque value, after relatively, micro-control unit DSP will be exported
Six road pwm signals, pwm signal come the switch on and off of driving power converter, and then regulating switch in real time through overdrive circuit
Rotating speed when reluctance motor SRM is run, turn to, when first switch reluctance motor caloric value is big, when efficiency is low, with second switch
Reluctance motor, coaxial mutually coordinated use, reduces the power output of first switch reluctance motor, passes through second switch reluctance motor
Carry out power back-off；It is coaxial mutually coordinated with second switch reluctance motor when first switch reluctance motor power output deficiency
Use, increase the power output of first switch reluctance motor, carrying out power back-off by second switch reluctance motor makes, such energy
Switched reluctance machines SRM is preferably driven fly press, realize fly press and frequently quickly start, make
Dynamic and rotating, the utility model have superior speed adjusting performance, can quickly start fly press, make switched reluctance machines
The increase of SRM detent torques, starting current reduce, impact when efficiently reducing startup to power network.
Brief description of the drawings
Fig. 1 is a kind of fly press switched Reluctance Motor Control System structure principle chart.
Fig. 2 is a kind of fly press switched Reluctance Motor Control System control strategy figure.
Fig. 3 is current sample process circuit figure.
Fig. 4 is position signalling detection circuit diagram.
Fig. 5 is position signalling process circuit figure.
Fig. 6 is power converter drive circuit figure.
Fig. 7 is switched reluctance machines SRM structure diagrams.
In figure：61 first stators, 62 second stators, 63 the first rotors, 64 second rotors, 65 first coils, 66 second lines
Circle.
Embodiment
The utility model embodiment is described in further detail below in conjunction with the accompanying drawings.
Embodiment one
A kind of fly press switched Reluctance Motor Control System, as shown in figure 1, including micro-control unit DSP, switch
Reluctance motor SRM, AVR single chip, LED are shown, keyboard, Switching Power Supply, power inverter；The micro-control unit DSP passes through
Drive circuit connects SRM with power inverter, the SRM by circuit sampling process circuit feedback link micro-control unit DSP,
The SRM detects electronic feedback by position signalling process circuit and position signalling and connects micro-control unit DSP, using described
LED is shown and ram speed, opening speed, starting loop and the top when hitting volumes, hitting every time of keyboard to set up workpiece
Go out the data message of device working condition, handled by AVR single chip and be transferred to the micro-control unit DSP, Switching Power Supply passes through
3.3V mu balanced circuits provide power supply for whole system.
During work, switched reluctance machines SRM requires constantly to carry out under micro-control unit DSP control, according to instruction
Start-rotating forward-and a series of do action such as rotate backward-stop, it passes through the drive apparatus such as gear or belt pulley
Drive the flywheel of fly press and screw rod to carry out forward and reverse alternate rotation, complete strike task so as to drag sliding block, and make
Sliding block returns to initial position.Before system is formally started working, technical staff needs to be required according to the processing technology of workpiece, leads to
LED is crossed to show, and the cycle of keyboard to set up workpiece, every time strike when ram speed, opening speed, starting loop,
The system informations such as backing-out punch working condition, micro-control unit DSP is transferred to after being handled by AVR single chip, sets microcontroller list
Switched reluctance machines SRM given rotating speed value and given torque value in first DSP, position signalling is then detected electric circuit inspection to letter
It is sent to after number carrying out shaping pretreatment in position signalling process circuit, position signalling process circuit TLP521 is to the position that receives
Signal is isolated and eliminates the interference signal of communication process superposition, and then position signalling is disappeared by schmidt trigger phase inverter
Tremble and micro-control unit DSP A/D translation interfaces be input to after filtering, micro-control unit DSP by rising to position square-wave signal,
The capture of trailing edge, the rotating speed of current rotor is calculated, and compared with the given rotating speed in micro-control unit DSP.Electric current
Sampling processing circuit by switched reluctance machines SRM electric current by Hall current sensor by the current signal detected in proportion
Voltage signal is reduced into, the current sample voltage that Hall current sensor inputs is entered by R28 and C15 composition low pass filters
Row low-pass filtering treatment, then pass through operation amplifier after carrying out partial pressure to sampled voltage by the divider that R28 and R29 are formed
Signal is sent to micro-control unit DSP A/D interfaces after the voltage follower filtering of device TL084 compositions, turned through A/D converter
Change data signal into and send micro-control unit DSP to, and current torque value and given torque are calculated by micro-control unit DSP
Value is compared.After comparing twice, micro-control unit DSP will export six road pwm signals, and carrying out driving power through overdrive circuit becomes
The switch on and off of parallel operation, so real-time monitoring switched reluctance machines SRM run when rotating speed, torque.Make switched reluctance machines SRM
According to technical staff's processing technology requirement, come control the cycle of fly press, every time strike when ram speed, backhaul
The system informations such as speed, starting loop, backing-out punch.Jian, which closes reluctance motor SRM, good governor control characteristics, by right in advance
The setting of switched Reluctance Motor Control System blow speed and opening speed, it is possible to achieve a variety of processing requests, simultaneously
System can realize the multiple strike shaping of workpiece, and each stroke blow speed can be set, and enhance the flexibility of processing.Together
When control system in be provided with EABS systems, can the braking of auxiliary screw forcing press, reduce the abrasion of brake block, save system maintenance
Cost.This fly press has higher practicality and reliability with switched Reluctance Motor Control System.It can meet various
The requirement of special occasions.
Specific embodiment two
Specifically, a kind of fly press switched Reluctance Motor Control System, the micro-control unit DSP is one
The individual digital signal processor with PWM module, A/D modular converters, capture module and serial communication interface SCI, and with falling
Electrical storage, outside A/D interfaces, crystal oscillating circuit, reset circuit and Switching Power Supply form minimum work system.
Specifically, a kind of fly press switched Reluctance Motor Control System, the AVR single chip include
ATmega16L singlechip chips, crystal oscillator, reset, data acquisition/serial communication switching switch, wherein data acquisition/serial ports leads to
Letter switching switch is the on-off circuit for switching two kinds of working conditions of AVR single chip data acquisition and serial communication.
Specifically, a kind of fly press switched Reluctance Motor Control System, the Switching Power Supply use power supply
Managing chip constitutes the Switching Power Supply of half-bridge structure, pio chip operating voltage and IGBT driving voltages.
As Fig. 1, micro-control unit DSP are connected to power down memory, selected power down memory model FM24CL64, adopted
With ferroelectricity treatment technology, have the characteristics that non-volatile.FM24CL64 carries out write operation with bus speed so that the motor of setting
Operational factor will not lose after a power failure.
Specifically, referring to Figures 1 and 2, micro-control unit DSP, which is one, has PWM module, A/D modular converters and string
The digital signal processor of row communication interface.Micro-control unit DSP by with power circuit, reset circuit, crystal oscillating circuit, storage
The auxiliary circuits such as circuit, which are matched somebody with somebody, is combined into minimum work system.Micro-control unit DSP1 PWM module exports six road pwm signals, warp
Overdrive circuit carrys out the switch on and off of driving power converter 5.Direct current required for power inverter 5 is passed through by Switching Power Supply 4
Rectification circuit provides.Direct current required for micro-control unit DSP is provided by Switching Power Supply 4 through 3.3V mu balanced circuits.
Reference picture 1, micro-control unit DSP serial communication interface are connected with the keyboard 3 that AVR single chip 1 is formed and show electricity
Road, pass through serial communication realization and the communication of main frame.Complete the setting of system control parameters, and the work(such as rotating speed and malfunction coefficient
Energy.
Specific embodiment three
Specifically, a kind of fly press switched Reluctance Motor Control System, the power inverter use 6
IGBT forms three-phase half-bridge structure, realizes the power control to each phase windings of SRM.
Specifically, a kind of fly press switched Reluctance Motor Control System, the rectification of the power inverter
Circuit uses three-phase bridge rectifier circuit, and rectification bridge output end is connected to fuse, causes open circuit to prevent excessively stream.
Such as Fig. 6, power inverter is from IGBT as main switching device.Power converter circuit mainly includes three phase rectifier
Circuit and asymmetrical half-bridge translation circuit two parts.Drive circuit selects the photoelectric coupling driving element of Agilent companies production
HCPL-316J.Chip internal integrates the detection of collector emitter voltage undersaturation and fault feedback circuit, can realize
The functions such as soft switching, under-voltage locking, light-coupled isolation, fault-signal output are flowed, the ability with protection control circuit.
Specific embodiment four
Specifically, a kind of fly press switched Reluctance Motor Control System, the circuit sampling process circuit
Using Hall current sensor, voltage follower, clamped electricity of the Hall current sensor successively through operational amplifier TL084 compositions
Road is connected to the A/D modular converters in micro-control unit DSP.
Specifically, a kind of fly press switched Reluctance Motor Control System, described position signalling detection electricity
Road is connected with blanking disc inside switched reluctance machines SRM, and blanking disc is successively through slot optical coupling, infrared receiver triode, LM358 groups
Into voltage comparator circuit, input capture port in micro-control unit DSP is connected after 74HC14 Schmidt's inverter triggers.
Reference picture 1, Fig. 2 and Fig. 3, switched reluctance machines SRM pass through current sample process circuit and micro-control unit DSP1
In A/D translation interface feedback links, current sample process circuit select is TKC150BS models Hall current sensor,
The current signal detected is scaled to by voltage signal by Hall current sensor, low pass is formed by R28 and C15
The current sample voltage that wave filter inputs to Hall current sensor carries out low-pass filtering treatment, then by there is R28 and R29 groups
Into divider sampled voltage is carried out signal after the voltage follower filtering that is made up of after partial pressure operational amplifier TL084
Micro-control unit DSP A/D interfaces are sent to, being converted into data signal through A/D converter sends micro-control unit DSP to, with
Current torque value is calculated compared with given torque value as current feedback values, and by micro-control unit DSP, is formed and turned
The closed-loop control of square.
Reference picture 1, Fig. 2, Fig. 4 and Fig. 5, by slot optical coupling inside switched reluctance machines SR2 and blanking disc detection to
Infrared electro signal is irradiated on infrared receiver triode, and slot optical coupling has square-wave signal S1, S2 and S3 output.By
The voltage comparator circuit of LM358 compositions, shaping pretreatment is carried out to square-wave signal, then by signal transmssion line conveying in place
Put signal processing circuit.Position signalling process circuit TLP521 is isolated to the position signalling received and eliminates communication process
The interference signal of superposition, then it is input to micro-control unit after schmidt trigger phase inverter is to position signalling Glitch Filter
DSP A/D translation interfaces, micro-control unit DSP to position square-wave signal by rising, the capture of trailing edge, calculates current
The rotating speed of rotor, and compared with the given rotating speed in micro-control unit DSP, form the closed-loop control of rotating speed.
Specific embodiment five
Specifically, a kind of fly press switched Reluctance Motor Control System, as shown in fig. 7, the switch magnetic
Hindering motor SRM includes the first stator 61, the second stator 62, the rotor 64 of the first rotor 63 and second, the first rotor 63 and the
Two rotors 64 are fixed as same rotating shaft, and band dynamic load exports, and the first stator 61 and the first rotor 63 form first switch magnetic resistance
Motor, the first stator 61 are 24 poles, have winding first coil 65 to wind thereon, and the first rotor 63 is 16 poles；The He of second stator 62
Second rotor 64 forms second switch reluctance motor, and the second stator 62 is 10 poles, has the second coil of winding 66 to wind thereon, and second
Rotor 64 is 6 poles.
During work, the first switch reluctance motor caloric value that the first stator 61 and the first rotor 63 are formed is big, and efficiency is low
When, the second switch reluctance motor that is formed with the second stator 62 and the second rotor 64, coaxial mutually coordinated use, reduce by first
The power output of switched reluctance machines, power back-off is carried out by second switch reluctance motor；
It is fixed with second during the first switch reluctance motor power output deficiency that the first stator 61 and the first rotor 63 are formed
The second switch reluctance motor that the rotor 64 of son 62 and second is formed, coaxial mutually coordinated use, increase first switch magnetic resistance electricity
The power output of machine, power back-off is carried out by second switch reluctance motor；First switch reluctance motor and second switch magnetic resistance
The mutually coordinated work of motor.
Meanwhile during two switched reluctance machines work, a wherein switched reluctance machines are only used only, are
Two switched reluctance machines are not simultaneously operable, and are exactly two switched reluctance machines alternations.
It is described above, the caloric value of switched reluctance machines can be not only effectively reduced, improves switched reluctance machines
Service life and efficiency；Simultaneously under the conditions of bad working environments, electric system power output and output torque can also be increased, ensured
Fly press normal operation.
Claims (9)
1. a kind of fly press switched Reluctance Motor Control System, it is characterised in that including micro-control unit DSP, switch
Reluctance motor SRM, AVR single chip, LED are shown, keyboard, Switching Power Supply, power inverter；The micro-control unit DSP passes through
Drive circuit connects SRM with power inverter, the SRM by circuit sampling process circuit feedback link micro-control unit DSP,
The SRM detects electronic feedback by position signalling process circuit and position signalling and connects micro-control unit DSP, using described
LED is shown and ram speed, opening speed, starting loop and the top when hitting volumes, hitting every time of keyboard to set up workpiece
Go out the data message of device working condition, handled by AVR single chip and be transferred to the micro-control unit DSP, Switching Power Supply passes through
3.3V mu balanced circuits provide power supply for whole system.
2. a kind of fly press switched Reluctance Motor Control System according to claim 1, it is characterised in that described micro-
Control unit DSP is a data signal with PWM module, A/D modular converters, capture module and serial communication interface SCI
Processor, and form minimum job family with power down memory, outside A/D interfaces, crystal oscillating circuit, reset circuit and Switching Power Supply
System.
3. a kind of fly press switched Reluctance Motor Control System according to claim 1, it is characterised in that described
AVR single chip includes ATmega16L singlechip chips, crystal oscillator, reset, data acquisition/serial communication switching switch, wherein data
Collection/serial communication switching switch is the on-off circuit for switching two kinds of working conditions of AVR single chip data acquisition and serial communication.
4. a kind of fly press switched Reluctance Motor Control System according to claim 1, it is characterised in that described to open
Powered-down source constitutes the Switching Power Supply of half-bridge structure, pio chip operating voltage and IGBT driving electricity using power management chip
Pressure.
A kind of 5. fly press switched Reluctance Motor Control System according to claim 1, it is characterised in that the work(
Rate converter forms three-phase half-bridge structure using 6 IGBT, realizes the power control to each phase windings of SRM.
A kind of 6. fly press switched Reluctance Motor Control System according to claim 1, it is characterised in that the work(
The rectification circuit of rate converter uses three-phase bridge rectifier circuit, and rectification bridge output end is connected to fuse, is drawn with preventing excessively stream
Play open circuit.
A kind of 7. fly press switched Reluctance Motor Control System according to claim 1, it is characterised in that the electricity
Road sampling processing circuit uses Hall current sensor, the electricity that Hall current sensor forms through operational amplifier TL084 successively
Pressure follower, clamp circuit are connected to the A/D modular converters in micro-control unit DSP.
8. a kind of fly press switched Reluctance Motor Control System according to claim 1, it is characterised in that described
Position signalling detects circuit and is connected with blanking disc inside SRM, and blanking disc is successively through slot optical coupling, infrared receiver triode, LM358
The input capture port in micro-control unit DSP is connected after the voltage comparator circuit of composition, 74HC14 Schmidt's inverter triggers.
9. a kind of fly press switched Reluctance Motor Control System according to claim 1, it is characterised in that described to open
Closing reluctance motor SRM includes the first stator (61), the second stator (62), the first rotor (63) and the second rotor (64), and described the
One rotor (63) and the second rotor (64) are fixed as same rotating shaft, and band dynamic load exports, the first stator (61) and the first rotor
(63) first switch reluctance motor is formed, the first stator (61) is 24 poles, has winding first coil (65) to wind thereon, first turn
Sub (63) are 16 poles；Second stator (62) and the second rotor (64) form second switch reluctance motor, and the second stator (62) is 10
Pole, there is the coil of winding second (66) winding thereon, the second rotor (64) is 6 poles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721208753.7U CN207150470U (en) | 2017-09-20 | 2017-09-20 | Fly press switched Reluctance Motor Control System |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721208753.7U CN207150470U (en) | 2017-09-20 | 2017-09-20 | Fly press switched Reluctance Motor Control System |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207150470U true CN207150470U (en) | 2018-03-27 |
Family
ID=61668263
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721208753.7U Expired - Fee Related CN207150470U (en) | 2017-09-20 | 2017-09-20 | Fly press switched Reluctance Motor Control System |
Country Status (1)
| Country | Link |
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| CN (1) | CN207150470U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109067278A (en) * | 2018-09-22 | 2018-12-21 | 安徽电气工程职业技术学院 | A kind of switched reluctance motor speed adjusting device and method based on immunological drug |
-
2017
- 2017-09-20 CN CN201721208753.7U patent/CN207150470U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109067278A (en) * | 2018-09-22 | 2018-12-21 | 安徽电气工程职业技术学院 | A kind of switched reluctance motor speed adjusting device and method based on immunological drug |
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