CN109217741A - A kind of Multi-purpose intelligent electric operator - Google Patents
A kind of Multi-purpose intelligent electric operator Download PDFInfo
- Publication number
- CN109217741A CN109217741A CN201811053903.0A CN201811053903A CN109217741A CN 109217741 A CN109217741 A CN 109217741A CN 201811053903 A CN201811053903 A CN 201811053903A CN 109217741 A CN109217741 A CN 109217741A
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- Prior art keywords
- electric operator
- intelligent electric
- purpose intelligent
- servo motor
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- 230000001360 synchronised effect Effects 0.000 claims abstract description 13
- 238000002955 isolation Methods 0.000 claims description 8
- 238000001514 detection method Methods 0.000 claims description 7
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 7
- 230000009466 transformation Effects 0.000 abstract description 4
- 230000009467 reduction Effects 0.000 abstract description 2
- 241000555745 Sciuridae Species 0.000 abstract 1
- 230000006698 induction Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 6
- 230000006872 improvement Effects 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000003990 capacitor Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000010349 pulsation Effects 0.000 description 2
- 208000033748 Device issues Diseases 0.000 description 1
- 210000001367 artery Anatomy 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000005622 photoelectricity Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 210000003462 vein Anatomy 0.000 description 1
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P6/00—Arrangements for controlling synchronous motors or other dynamo-electric motors using electronic commutation dependent on the rotor position; Electronic commutators therefor
- H02P6/08—Arrangements for controlling the speed or torque of a single motor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/04—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor
- F16K31/046—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor with electric means, e.g. electric switches, to control the motor or to control a clutch between the valve and the motor
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P6/00—Arrangements for controlling synchronous motors or other dynamo-electric motors using electronic commutation dependent on the rotor position; Electronic commutators therefor
- H02P6/14—Electronic commutators
- H02P6/16—Circuit arrangements for detecting position
Abstract
The embodiment of the invention provides a kind of Multi-purpose intelligent electric operators, power using Thee-phase alternating current permanent-magnetic synchronous servo motor as electric operator, squirrel -cage induction motor used in traditional electric operator is substituted, alternating-current permanent-magnet servo motor has the characteristics that constant moment of force output in speed adjustable extent.SVPWM inversion transformation technique, the conducting of driving power element insulating grid bipolar junction transistor (IGBT), to realize the rotation according to preset speed control AC permanent-magnet synchronous servo motor are used simultaneously.It can be according to the work reduction ratio and output shaft rated speed of more rotary power units, under the premise of output torque is constant, more rotary power units output spindle speed range is converted into the velocity interval of angle stroke actuators, realizes the exchange of electric operator more rotary types and angle stroke type.
Description
Technical field
The present invention relates to a kind of Multi-purpose intelligent electric operators.
Background technique
Intelligent multi-rotary electric actuator and part-turn electric actuator, since output shaft motion mode is different,
Therefore the range of application is very different.More rotary types are mainly used to control gate valve, angle stroke be mainly used to control ball valve and
Butterfly valve.More rotary types are basic models in the structure of product, and angle stroke is in mostly revolution basic model, by connecting different type
Deceleration device constitute, therefore, the two cannot exchange in use.
Summary of the invention
It is structurally different for revolutions more present on and part-turn electric actuator, it cannot exchange in use
The problem of, the present invention provides a kind of Multi-purpose intelligent electric operator, concrete scheme is as follows:
A kind of Multi-purpose intelligent electric operator, comprising:
Microprocessor control module generates corresponding control signal according to given control command；
SVPWM generator issues pwm signal according to control signal；
Power IGBT input voltage inversion is Thee-phase alternating current permanent-magnetic synchronous servo motor (PMSM) according to pwm signal
Operating voltage；
Thee-phase alternating current permanent-magnetic synchronous servo motor (PMSM), provides power for electric operator.
Preferably, further include power supply processing module, by industrial frequency AC electric rectification, be filtered into DC voltage, as the function
The input voltage of rate IGBT.
Preferably, further include photoelectric isolation module, be electrically connected between the SVPWM generator and the power IGBT with
Improve electrical isolation capabilities and anti-interference ability.
It preferably, further include photoelectric encoder, to detect Thee-phase alternating current permanent-magnetic synchronous servo motor (PMSM) rotor
Revolving speed, and the microprocessor control module is fed back in the form of pulse signal.
It preferably, further include position detecting module, to detect the position of electric operator output shaft, and with pulse signal
Form feeds back to the microprocessor control module.
It preferably, further include voltage detection module, to detect the input voltage of the power IGBT.
It preferably, further include current detection module, to detect the operating current of electric operator.
Advantages of the present invention is as follows: 1) under the premise of not increasing products-hardware cost, extending the application range of product.
2) reduce factory and the Parts Inventory of user, save production cost and use cost.3) the technical of product is improved
Energy and quality.
Detailed description of the invention
Attached drawing is used to provide further understanding of the present invention, and constitutes part of specification, with reality of the invention
It applies example to be used to explain the present invention together, not be construed as limiting the invention.In the accompanying drawings:
Fig. 1 is module map of the embodiment of the present invention；
Fig. 2 is digital signal processor circuit of embodiment of the present invention schematic diagram；
Fig. 3 is SVPWM of embodiment of the present invention generator circuit schematic diagram；
Fig. 4 is photoelectric isolation module of embodiment of the present invention circuit diagram；
Fig. 5 is power of embodiment of the present invention IGBT circuit diagram；
Fig. 6 is voltage detection module of embodiment of the present invention circuit diagram；
Fig. 7 is current detection module of embodiment of the present invention circuit diagram.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
As shown in Figure 1, a kind of Multi-purpose intelligent electric operator, comprising:
Microprocessor control module generates corresponding control signal according to the control command that system gives, adopts in the present embodiment
It is realized with tms320f28335pgfa digital signal processor (DSP) shown in Fig. 2；
SVPWM generator, as shown in figure 3, SVPWM generator uses 74HCT367 chip (U18), according to control signal hair
Six road pwm signal out；
Photoelectric isolation module, as shown in figure 4, photoelectric isolation module (U12~U17 chip) uses PC457 photoisolator,
It is electrically connected between the SVPWM generator and the power IGBT to improve electrical isolation capabilities and anti-interference ability；
Power IGBT, as shown in figure 5, power IGBT uses IC-MODULE chip, it is according to pwm signal that input voltage is inverse
Become the operating voltage of Thee-phase alternating current permanent-magnetic synchronous servo motor (PMSM)；
Thee-phase alternating current permanent-magnetic synchronous servo motor (PMSM), provides power for electric operator.
Further include power supply processing module, by power frequency (50/60HZ) AC rectification, DC voltage is filtered into, as described
The supply voltage of the input voltage of power IGBT and the microprocessor control module.
In above-described embodiment scheme, use Thee-phase alternating current permanent-magnetic servo motor as the power of electric operator, micro-
Under the control of processor control module, by the frequency of control power IGBT work, directly industrial frequency AC electric rectification/filtered
Galvanic electricity pressure (AC → DC) is reverse into the operating voltage (DC → AC) of servo motor.
Wherein voltage transformation process are as follows: the industrial-frequency alternating current of the 220V/AC of input, 50Hz pass through in power supply processing module
Rectifier bridge stack is transformed into the pulsating volage of 220 × 1.414=311V/DC, and the pulsating volage pulsation after the rectification of bridge heap is big, voltage is flat
Mean value is small, so needing to reduce by filter capacitor the pulsation of voltage, increases the average value of voltage.Pass through arteries and veins after capacitor filtering
Dynamic DC voltage becomes smooth DC voltage, then this input voltage of smooth DC voltage as power IGBT.
The conversion process of frequency are as follows: microprocessor control module controls SVPWM (space vector pulse width modulation) and occurs
Device issues six road pwm signals (the every phase of U, V, W three-phase voltage needs two path control signal), this six roads pwm signal passes through photoelectricity coupling
Clutch carries out Phototube Coupling, is then input to power IGBT as control signal, controls the turn-on and turn-off time of IGBT, thus
Change the amplitude of DC voltage and the frequency of U, V, W three-phase voltage (sine voltage).
Speed regulation process are as follows: under the control of microprocessor control module, DC voltage inversion of the power IGBT 311V/DC
Three-phase alternating current U, V, the W for being 145V at amplitude.Servo motor is in the case where U, V, W three phase mains are powered, microprocessor control
The SVPWM generator of molding block adjusts the frequency of U, V, W three-phase voltage by sending the pwm signal of different frequency, to control
The speed of motor rotation processed, reaches the electricity for power-frequency voltage (50Hz, 220V/AC) being reverse into required frequency (being less than 400KHz)
It presses (145V/AC).
Due to using Thee-phase alternating current permanent-magnetic synchronous servo motor (PMSM) and using SVPWM space vector pulse width modulation
The AC servo control system of inversion transformation technique and high performance power component insulated gate bipolar transistor (IGBT) composition, makes
Obtain the conversion angulation stroke series that more revolution series of novel intelligent electric operator can be convenient.
It further include incremental optical-electricity encoder as the improvement of above-described embodiment scheme, to detect the three-phase alternating current forever
The revolving speed of magnetic-synchro servo motor rotor, and the microprocessor control module is fed back in the form of pulse signal.
It further include position detecting module as the improvement of above-described embodiment scheme, to detect electric operator output shaft
Position, and the microprocessor control module is fed back in the form of pulse signal.
It further include voltage detection module as the improvement of above-described embodiment scheme, as shown in fig. 6, using the integrated fortune of LM358
It calculates amplifier (U59A), by the 310V/DC voltage of DC bus by being input to after being amplified after electric resistance partial pressure by operational amplifier
DSP digital signal processor is sampled, and calculates this voltage value in real time in software program, to detect the power IGBT
Input voltage.
It further include current detection module as the improvement of above-described embodiment scheme, as shown in fig. 7, using two pieces of AMC1200
Chip, the electric current in motor operation course are divided by resistance, this voltage carries out isolation by isolated amplifier AMC1200 and puts
Greatly and it is input to DSP digital signal processor, carries out the calculating of current of electric, by software program to detect electric operator
Operating current.
Multi-purpose intelligent electric operator provided in an embodiment of the present invention is using Thee-phase alternating current permanent-magnetic synchronous servo electricity
It is electronic to substitute squirrel-cage alternating current asynchronous used in traditional electric operator for power of the machine (PMSM) as electric operator
Machine.Alternating-current permanent-magnet servo motor has the characteristics that constant moment of force output in speed adjustable extent (1-3000rpm).It uses simultaneously
SVPWM space vector pulse width modulation inversion transformation technique, the conducting of driving power element insulating grid bipolar junction transistor (IGBT),
To realize the rotation according to preset speed control Thee-phase alternating current permanent-magnetic synchronous servo motor (PMSM).It can be according to more times
The work reduction ratio and output shaft rated speed for turning executing agency will turn round execution machine under the premise of output torque is constant more
Structure exports the velocity interval (0.5-1rpm) of spindle speed range (20-100rpm) conversion angulation stroke actuators, realizes electronic
The exchange of the more rotary types of executing agency and angle stroke type.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (7)
1. a kind of Multi-purpose intelligent electric operator, characterized by comprising:
Microprocessor control module generates corresponding control signal according to given control command；
SVPWM generator issues pwm signal according to control signal；
Power IGBT, according to pwm signal input voltage inversion be Thee-phase alternating current permanent-magnetic synchronous servo motor (PMSM) work
Voltage；
Thee-phase alternating current permanent-magnetic synchronous servo motor (PMSM), provides power for electric operator.
2. a kind of Multi-purpose intelligent electric operator as described in claim 1, it is characterised in that: further include power supply processing
Module by industrial frequency AC electric rectification, is filtered into DC voltage, the input voltage as the power IGBT.
3. a kind of Multi-purpose intelligent electric operator as described in claim 1, it is characterised in that: further include Phototube Coupling
Module is electrically connected between the SVPWM generator and the power IGBT to improve electrical isolation capabilities and anti-interference ability.
4. a kind of Multi-purpose intelligent electric operator as described in claim 1, it is characterised in that: further include photoelectric coding
Device to detect the revolving speed of Thee-phase alternating current permanent-magnetic synchronous servo motor (PMSM) rotor, and is fed back in the form of pulse signal
The microprocessor control module.
5. a kind of Multi-purpose intelligent electric operator as described in claim 1, it is characterised in that: further include position detection
Module to detect the position of electric operator output shaft, and feeds back to the microprocessor control mould in the form of pulse signal
Block.
6. a kind of Multi-purpose intelligent electric operator as described in claim 1, it is characterised in that: further include voltage detecting
Module, to detect the input voltage of the power IGBT.
7. a kind of Multi-purpose intelligent electric operator as described in claim 1, it is characterised in that: further include current detecting
Module, to detect the operating current of electric operator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811053903.0A CN109217741A (en) | 2018-09-11 | 2018-09-11 | A kind of Multi-purpose intelligent electric operator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811053903.0A CN109217741A (en) | 2018-09-11 | 2018-09-11 | A kind of Multi-purpose intelligent electric operator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109217741A true CN109217741A (en) | 2019-01-15 |
Family
ID=64986824
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811053903.0A Pending CN109217741A (en) | 2018-09-11 | 2018-09-11 | A kind of Multi-purpose intelligent electric operator |
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| Country | Link |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000217367A (en) * | 1999-01-25 | 2000-08-04 | Hitachi Ltd | Current control circuit, inverter controller, inverter and power converter |
| US7268515B1 (en) * | 2006-06-20 | 2007-09-11 | Delta Electronics, Inc. | Three-in-one AC servo drive |
| CN201561105U (en) * | 2009-12-09 | 2010-08-25 | 济南大学 | Index cam transmission device capable of adjusting speed intelligently |
| CN209170253U (en) * | 2018-09-11 | 2019-07-26 | 上海仪沃智能科技有限公司 | A kind of Multi-purpose intelligent electric operator |
-
2018
- 2018-09-11 CN CN201811053903.0A patent/CN109217741A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000217367A (en) * | 1999-01-25 | 2000-08-04 | Hitachi Ltd | Current control circuit, inverter controller, inverter and power converter |
| US7268515B1 (en) * | 2006-06-20 | 2007-09-11 | Delta Electronics, Inc. | Three-in-one AC servo drive |
| CN201561105U (en) * | 2009-12-09 | 2010-08-25 | 济南大学 | Index cam transmission device capable of adjusting speed intelligently |
| CN209170253U (en) * | 2018-09-11 | 2019-07-26 | 上海仪沃智能科技有限公司 | A kind of Multi-purpose intelligent electric operator |
Non-Patent Citations (2)
| Title |
|---|
| 赵修平等: "《随动系统》", 31 December 2015, 兵器工业出版社, pages: 217 * |
| 邓海波等: "《矿物加工过程检测与控制技术》", 31 January 2017, 冶金工业出版社, pages: 169 - 170 * |
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