CN106208838B - A kind of Precise Position System for ac synchronous motor and driven actuator - Google Patents

A kind of Precise Position System for ac synchronous motor and driven actuator Download PDF

Info

Publication number
CN106208838B
CN106208838B CN201610554302.2A CN201610554302A CN106208838B CN 106208838 B CN106208838 B CN 106208838B CN 201610554302 A CN201610554302 A CN 201610554302A CN 106208838 B CN106208838 B CN 106208838B
Authority
CN
China
Prior art keywords
alternating current
motor
way reversing
switch
single
Prior art date
Application number
CN201610554302.2A
Other languages
Chinese (zh)
Other versions
CN106208838A (en
Inventor
温良树
刘祖泽
Original Assignee
重庆编福科技有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 重庆编福科技有限公司 filed Critical 重庆编福科技有限公司
Priority to CN201610554302.2A priority Critical patent/CN106208838B/en
Publication of CN106208838A publication Critical patent/CN106208838A/en
Application granted granted Critical
Publication of CN106208838B publication Critical patent/CN106208838B/en

Links

Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02PCONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P6/00Arrangements for controlling synchronous motors or other dynamo-electric motors using electronic commutation dependent on the rotor position; Electronic commutators therefor
    • H02P6/14Electronic commutators
    • H02P6/16Circuit arrangements for detecting position
    • H02P6/18Circuit arrangements for detecting position without separate position detecting elements
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02PCONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P2203/00Indexing scheme relating to controlling arrangements characterised by the means for detecting the position of the rotor
    • H02P2203/09Motor speed determination based on the current and/or voltage without using a tachogenerator or a physical encoder

Abstract

The invention discloses a kind of Precise Position Systems for ac synchronous motor and driven actuator, by alternating current zero-crossing detector, complete controllable two-way reversing switch, motor, by-pass switch, integrate decision device, in limited time driver and singlechip group at, alternating current zero-crossing detector is connected with alternating current and single-chip microcontroller, complete controllable two-way reversing switch is connected with alternating current zero-crossing detector and motor, driver one end is connected with single-chip microcontroller in limited time, driver one end is connect with complete controllable two-way reversing switch and by-pass switch in limited time, by-pass switch one end is connected with complete controllable two-way reversing switch, the by-pass switch other end is connected with integral decision device one end, the integral decision device other end is connected with single-chip microcontroller;The present invention does not have to any alignment sensor, directly extracts current motor operating condition from motor feed line end, thus eliminates the cumbersome in-site installation of traditional weak electricity system and debugging, strong antijamming capability, and long transmission distance is easy for installation.

Description

A kind of Precise Position System for ac synchronous motor and driven actuator

Technical field

The present invention relates to a kind of Precise Position Systems, in particular to a kind of to be used for ac synchronous motor and driven execution The Precise Position System of device.

Background technique

Motor rotational positioning and the actuator pushed to it load climb displacement, currently mostly use greatly as limiter, Hall Switch, the even this kind of alignment sensor such as coding disk realize that this plug-in type is unreliable to connect the clue for necessarily bringing connection Very much, to line, stamp, arrangement, wiring, poling, sunken cord, finally go wiring by " tremble come miaow hair instigate " fastidiously, do not allow well Easily connect the wrong line position of just discovery, as a result because " button effect " all remove again, a bundle of clue together, also totally one As a result (not being total to ground wire and asking for double must add conditioning circuit) aly introduces Earth noise altogether in ground resistance, phase again between each signal wire DM EMI is mutually formed, as a result either simulation or digital signal are transmitted, anti-interference ability using total ground unbalanced mode All very poor, transmission range is all not far;Be not suitable for very much wishing today to implement Centralized Monitoring in monitoring center far from motor scene Informatization and networkization requirement, once and sensor degradation or occur clue fracture or short circuit, catastrophic failure will be led to.

Summary of the invention

The object of the invention is that providing one kind is not necessarily to sensor, strong antijamming capability, long transmission distance is used to hand over Flow the Precise Position System of synchronous motor and driven actuator.

To achieve the goals above, the technical solution adopted by the present invention is that such: of the invention is electric for AC synchronous The Precise Position System of machine and driven actuator, by alternating current zero-crossing detector, complete controllable two-way reversing switch, motor, side Way switch, integral decision device, driver and singlechip group be at alternating current zero-crossing detector is connected with alternating current and single-chip microcontroller, entirely in limited time Controllable two-way reversing switch is connected with alternating current zero-crossing detector and motor, and driver one end is connected with single-chip microcontroller in limited time, drives in limited time Dynamic device one end is connect with complete controllable two-way reversing switch and by-pass switch, by-pass switch one end and complete controllable two-way reversing switch phase Even, the by-pass switch other end is connected with integral decision device one end, and the integral decision device other end is connected with single-chip microcontroller;

Alternating current zero-crossing detector is responsible for extracting the zero-acrross ing moment point of alternating current, and makees total system time reference mark post, and guidance is single Piece machine chronologically goes to control whole hardware and software involved by the system;

Complete controllable two-way reversing switch, task are that edge is restarted after alternating current zero-crossing detector detects alternating current zero-crossing pulse Or the positive and negative rotation of switch motor;

By-pass switch and complete controllable two-way reversing switch are complete mutual exclusion in terms of run time, and function is examined in zero passage It surveys device and detects that the forward position of zero-crossing pulse is first shut off complete controllable two-way reversing switch, motor is then docked with integral decision device On, the induced electromotive force rectification and electric energy that can be generated to motor inside by cutting magnetic line so as to the integral decision device integrate;

Decision device is integrated, integral is responsible for and adjudicates double task, and correctly rules out output tracking by the data of accumulation Pulse, is transferred to single-chip microcontroller, and the judgement pulse and alternating current zero-crossing detector are exported zero-crossing pulse two-phase contrast judgement by single-chip microcontroller Whether the former falls in the time window of the latter's unlatching;

Driver uploads the middle actuator assigned for single-chip microcontroller in limited time, when single-chip microcontroller is out of control powerless by alternating current mistake Zero detection output zero-crossing pulse again sub-authorization prescribe a time limit driver execute order when, should in limited time driver will undertake resolute cutting Electric appliance connection between the complete controllable two-way reversing switch and by-pass switch and power frequency alternating current of the driving of its rear end, to protect complete set The man-machine safety of system.

Preferably, the complete controllable two-way reversing switch is one group of single-pole double-throw switch (SPDT).

Preferably, the integral decision device includes three photoelectrical coupler IC1, IC2, IC3, six resistance R1, R2, R3, R4, R5, R6, two diode D32, D33, capacitor a C1, a light emitting diode D35 and clamper a voltage-stabiliser tube D34, resistance R1, R2 and electricity Hold C1 and form time delay filter circuit, time delay filter circuit and photoelectrical coupler IC3 are used for time window filtering and simultaneously match is filtered Wave, it is anti-interference for limiting difference that capacitor C1 and photoelectrical coupler IC1 constitutes Schmitt trigger.

Compared with the prior art, the advantages of the present invention are as follows: the present invention does not have to any orientation sensing and connection clue, directly Current motor operating condition is extracted from motor feed line end, thus eliminates the cumbersome in-site installation of traditional weak electricity system and tune Examination, it is only necessary to control centre achieves that with " mouse+keyboard " in the distance adopts control in real time, thus very reliably, accurately to rotation The stroke that the motor turned positions and resolving actuator is current, strong antijamming capability, long transmission distance are easy for installation.

Detailed description of the invention

Fig. 1 is the structural diagram of the present invention;

Fig. 2 is that present system runs timing diagram;

Fig. 3 is the circuit diagram for integrating decision device.

Specific embodiment

The present invention will be further described with reference to the accompanying drawings.

Referring to figure 1, figure 2 and figure 3, the accurate positioning system for ac synchronous motor and driven actuator of the invention It unites, including alternating current zero-crossing detector 1, complete controllable two-way reversing switch 2, motor 3, by-pass switch 4, integral decision device 6, in limited time drive Dynamic device 5 and single-chip microcontroller 7 form, and alternating current zero-crossing detector 1 is connected with alternating current and single-chip microcontroller 7, complete controllable two-way reversing switch 2 and city Electric zero-crossing detector 1 is connected with motor 3, and 5 one end of driver is connected with single-chip microcontroller 7 in limited time, in limited time 5 one end of driver and complete controllable Two-way reversing switch 2 and by-pass switch 4 connect, and 4 one end of by-pass switch is connected with complete controllable two-way reversing switch 2, by-pass switch 4 The other end is connected with integral 6 one end of decision device, and integral 6 other end of decision device is connected with single-chip microcontroller 7;

Alternating current zero-crossing detector 1 is responsible for extracting the zero-acrross ing moment point of alternating current, and makees total system time reference mark post, instructs Single-chip microcontroller 7 chronologically goes to control whole hardware and software involved by the system;

Complete controllable two-way reversing switch 2 is one group of single-pole double-throw switch (SPDT), and task is detected in alternating current zero-crossing detector 11 Along restarting or the positive and negative rotation of switch motor 3 after to alternating current zero-crossing pulse;

By-pass switch 4 and complete controllable two-way reversing switch 2 are complete mutual exclusion in terms of run time, and function is in zero passage Detector detects that the forward position of zero-crossing pulse is first shut off complete controllable two-way reversing switch 2, and motor 3 is then docked with integral and is sentenced Certainly on device 6, so as to the integral decision device 6 can to inside motor 3 because cutting magnetic line generate induced electromotive force rectification and electric energy Integral;

Decision device 6 is integrated, integral is responsible for and adjudicates double task, and correctly rules out output tracking by the data of accumulation Pulse is transferred to single-chip microcontroller 7, and single-chip microcontroller 7 exports the judgement pulse zero-crossing pulse two-phase and compare with alternating current zero-crossing detector 1 to be sentenced Breaking, whether the former falls in the time window of the latter's unlatching.Integrate the practical upper integral of decision device 6 is 3 inside excitation winding of motor L2 output electric energy, but its integral at the time of often be exactly motor 3 inside undertake load driving main winding L1 on induct it is electronic (enter end for sake of convenience later with motor 3 is the zero-crossing pulse abbreviation that boundary exports external alternating current zero passage detection to the zero crossing of gesture For outer electrical zero, and claim interior electrical zero the induced electromotive force zero crossing on 3 internal drive main winding of motor), in other words should The essence of invention is the overlapping degree by comparing inside and outside electrical zero, to confirm the current operating condition of motor 3, and can fly into dispatch from foreign news agency Interior electrical zero in zero crossing time window is as calibration 3 current rotary position of motor and the actuator travel solution driven by motor 3 The foundation of calculation;

Driver 5 is under the orders of single-chip microcontroller 7 in limited time, and core function is the intermediate execution machine for uploading the limited discretion assigned Structure, when single-chip microcontroller 7 is " run fly " out of control, the powerless zero-crossing pulse by the output of alternating current zero passage detection again prescribe a time limit driver 5 by sub-authorization When executing order, the complete controllable two-way reversing switch 2 for resolutely cutting off the driving of its rear end and bypass will should be undertaken by driver 5 in limited time Electric appliance connection between switch 4 and power frequency alternating current, to protect system-wide man-machine safety.The overtime tolerance of actuator is worked as in limited time Be chosen for 1 half period of power frequency alternating current then 30mS when it is best.

The integral decision device 6 includes three photoelectrical coupler IC1, IC2, IC3, six resistance R1, R2, R3, R4, R5, R6, and two Diode D32, D33, capacitor a C1, a light emitting diode D35 and a clamper voltage-stabiliser tube D34, two diode D32, D33 are connected in parallel on It is sequentially connected in series behind alternating current both ends with resistance R1, clamper voltage-stabiliser tube D34 and resistance R2,1 foot of photoelectrical coupler IC3 passes through resistance R6 It is connect with DC power supply, 4 feet of photoelectrical coupler IC3 are connected between clamper voltage-stabiliser tube D34 and resistance R2, photoelectrical coupler 3 feet of IC3 are connect with the one end capacitor C1, and the other end of capacitor C1 is connect with resistance R2, and 1 foot of photoelectrical coupler IC1 passes through electricity Resistance R3 is connect with resistance R2, and 2 feet of photoelectrical coupler IC1 are connect with 1 foot of photoelectrical coupler IC2, and the 3 of photoelectrical coupler IC1 Foot is connect with its 1 foot, and 4 feet of photoelectrical coupler IC1 are connect with resistance R2,2 feet and photoelectrical coupler of photoelectrical coupler IC2 3 feet of IC3 connect, the 3 feet ground connection of photoelectrical coupler IC2,4 feet and resistance R5 and light emitting diode D35 of photoelectrical coupler IC2 Connection, light emitting diode D35 are connect after connecting with resistance R4 with DC power supply, resistance R1, R2 and capacitor C1 composition time delay filtering, Time delay filter circuit and photoelectrical coupler IC3 cooperation deadline window filtering and simultaneously match filter, capacitor C1 and photoelectricity coupling It is anti-interference using return difference that clutch IC1 constitutes Schmitt trigger.

When motor 3 is in long-term smooth rotation state, (non-overloading, which is not shut down, also not to commutate) is due to interior electrical zero and outer Electrical zero must be overlapped, and outer electrical zero and interior electrical zero are all provided simultaneously with the fairness to 3 monitoring of working condition of motor, this is appropriate to the occasion Sampling interior electrical zero in gap is tracked and reaffirmed single-phase AC synchronous motor 3, and whether operating condition has changed before this, this Sample does not just have the primary controllable two-way reversing switch 2 of alternating current cycle switching and by-pass switch 4 not, and motor 3 is allowed automatically to realize to city The synchronized tracking of electric frequency and phase;When motor 3 is because overloading, restarting, particularly commutate, it is necessary to pass through by week to by-pass switch Mutual exclusion switching between 4 and reversing switch 2, investigates always the presence or absence of interior electrical zero, and zero crossing is stringent weekly in alternating current cycle Electricity and outer electrical zero adaptation in comparing, to confirm that whether current external power frequency alternating current is effective to the driving of motor 3, thus picks Differential accumulation caused by addition to the imbalance because of Mechatronic Systems, to ensure that no sensor to 3 rotational positioning of motor and execution The fairness and accuracy that device displacement resolves.

The present invention does not have to any alignment sensor, directly feeds line end from motor 3 and extracts 3 operating condition of current motor, because And eliminate the cumbersome in-site installation of traditional weak electricity system and debugging, it is only necessary to which control centre uses " mouse+keyboard " just in the distance It can be achieved to adopt control in real time, so that very reliable, the accurately positioning of motor 3 and resolving actuator travel to being rotating, anti-interference Ability is strong, long transmission distance, easy for installation.

Claims (3)

1. a kind of Precise Position System for ac synchronous motor and driven actuator, it is characterised in that: by alternating current mistake Null detector, complete controllable two-way reversing switch, motor, by-pass switch, integral decision device, in limited time driver and singlechip group at, Alternating current zero-crossing detector is connected with alternating current and single-chip microcontroller, complete controllable two-way reversing switch and alternating current zero-crossing detector and motor phase Even, driver one end is connected with single-chip microcontroller in limited time, and driver one end connects with complete controllable two-way reversing switch and by-pass switch in limited time It connects, by-pass switch one end is connected with complete controllable two-way reversing switch, and the by-pass switch other end is connected with integral decision device one end, product The decision device other end is divided to be connected with single-chip microcontroller;
Alternating current zero-crossing detector is responsible for extracting the zero-acrross ing moment point of alternating current, and makees total system time reference mark post, and single-chip microcontroller is instructed Chronologically go to control whole hardware and software involved by the system;
Complete controllable two-way reversing switch, task be after alternating current zero-crossing detector detects alternating current zero-crossing pulse along restarting or The positive and negative rotation of switch motor;
By-pass switch and complete controllable two-way reversing switch are complete mutual exclusion in terms of run time, and function is in zero-crossing detector It detects that the forward position of zero-crossing pulse is first shut off complete controllable two-way reversing switch, then motor is docked on integral decision device, The induced electromotive force rectification and electric energy that can be generated to motor inside by cutting magnetic line so as to the integral decision device integrate;
Decision device is integrated, integral is responsible for and adjudicates double task, and correctly rules out output tracking pulse by the data of accumulation, It is transferred to single-chip microcontroller, the former is single-chip microcontroller the judgement pulse and alternating current zero-crossing detector output zero-crossing pulse two-phase contrast judgement In the no time window for falling on the latter's unlatching;
Driver uploads the middle actuator assigned for single-chip microcontroller in limited time, when single-chip microcontroller is out of control powerless by the inspection of alternating current zero passage Surveying the zero-crossing pulse of output, sub-authorization prescribes a time limit driver when executing order again, should be after driver will be undertaken and resolutely cut off it in limited time The electric appliance connection between the complete controllable two-way reversing switch and by-pass switch and power frequency alternating current of driving is held, to protect system-wide Man-machine safety.
2. the Precise Position System according to claim 1 for ac synchronous motor and driven actuator, special Sign is: the complete controllable two-way reversing switch is one group of single-pole double-throw switch (SPDT).
3. the Precise Position System according to claim 1 for ac synchronous motor and driven actuator, special Sign is: the integral decision device includes three photoelectrical coupler IC1, IC2, IC3, six resistance R1, R2, R3, R4, R5, R6, and two 2 When pole pipe D32, D33, capacitor a C1, a light emitting diode D35 and clamper a voltage-stabiliser tube D34, resistance R1, R2 and capacitor C1 are formed Prolong filter circuit, time delay filter circuit and photoelectrical coupler IC3 are filtered for time window filtering and simultaneously match, capacitor C1 and It is anti-interference for limiting difference that photoelectrical coupler IC1 constitutes Schmitt trigger.
CN201610554302.2A 2016-07-14 2016-07-14 A kind of Precise Position System for ac synchronous motor and driven actuator CN106208838B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610554302.2A CN106208838B (en) 2016-07-14 2016-07-14 A kind of Precise Position System for ac synchronous motor and driven actuator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610554302.2A CN106208838B (en) 2016-07-14 2016-07-14 A kind of Precise Position System for ac synchronous motor and driven actuator

Publications (2)

Publication Number Publication Date
CN106208838A CN106208838A (en) 2016-12-07
CN106208838B true CN106208838B (en) 2019-01-15

Family

ID=57474505

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610554302.2A CN106208838B (en) 2016-07-14 2016-07-14 A kind of Precise Position System for ac synchronous motor and driven actuator

Country Status (1)

Country Link
CN (1) CN106208838B (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003333878A (en) * 2003-04-04 2003-11-21 Mitsubishi Electric Corp Motor controller and washing machine
CN201323669Y (en) * 2008-11-28 2009-10-07 佛山市顺德区瑞德电子实业有限公司 Control device of continuous heating during low power period of electromagnetic oven
CN102053630A (en) * 2011-01-18 2011-05-11 深圳市爱博科技有限公司 Device and system for controlling deviation correction of brushless direct current (DC) motor
CN102647146A (en) * 2012-05-15 2012-08-22 厦门精研自动化元件有限公司 Digital controller of single-phase alternating current motor
CN203164279U (en) * 2013-03-06 2013-08-28 北京普罗斯托国际电气有限公司 Commercial power zero-crossing signal detection circuit
CN104133488A (en) * 2014-07-18 2014-11-05 刘祖泽 Networked intelligent soft positioning deviation correction guiding system based on double-identification displacement sensor

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003333878A (en) * 2003-04-04 2003-11-21 Mitsubishi Electric Corp Motor controller and washing machine
CN201323669Y (en) * 2008-11-28 2009-10-07 佛山市顺德区瑞德电子实业有限公司 Control device of continuous heating during low power period of electromagnetic oven
CN102053630A (en) * 2011-01-18 2011-05-11 深圳市爱博科技有限公司 Device and system for controlling deviation correction of brushless direct current (DC) motor
CN102647146A (en) * 2012-05-15 2012-08-22 厦门精研自动化元件有限公司 Digital controller of single-phase alternating current motor
CN203164279U (en) * 2013-03-06 2013-08-28 北京普罗斯托国际电气有限公司 Commercial power zero-crossing signal detection circuit
CN104133488A (en) * 2014-07-18 2014-11-05 刘祖泽 Networked intelligent soft positioning deviation correction guiding system based on double-identification displacement sensor

Also Published As

Publication number Publication date
CN106208838A (en) 2016-12-07

Similar Documents

Publication Publication Date Title
KR20080105804A (en) Cleaner and driving method thereof
US20120007621A1 (en) Circuit interrupter device with self-test function
CN101686792B (en) Domestic appliance with a self-diagnosing door lock position detection device
CN103248294A (en) Position sensor-free double closed-loop speed regulation control method for brushless DC motor
CN201536337U (en) DC motor controller based on dsp
CN1373865A (en) Device for detecting power failure in programme-controlled domestic appliance
CN102290790B (en) Fault detecting and protective circuit of brushless direct current motor
CN100513847C (en) Frequency conversion type intellective electromotion unit for valve
CN103091598B (en) Fault diagnosis method for switch reluctance motor dual-switch power converter fly-wheel diode
CN102075130A (en) Convenient method for controlling direction of rotation of synchronous motor of single-phase permanent magnet and motor using same
CN104767429B (en) Brshless DC motor power inverter power-on self-test device and self checking method
CN103106168A (en) Automatic serial port protection circuit
JP2010193707A (en) Method for driving brushless dc motor
JP3344931B2 (en) The methods and zero speed monitoring device for monitoring a three-phase machine
CN103166566A (en) Three-phase motor driving control device
CN105927090B (en) Method for detecting position, device, door and window control system and the automobile of door glass
CN102155753B (en) Anti-clamping system for movable fume collecting hood of range hood and anti-clamping control method thereof
CN102055392B (en) A kind of brshless DC motor is without pickup wire back-emf method for detecting position
CN104934264B (en) A kind of method and system of protective relay
CN103545786B (en) A kind of protective device of leakage current
CN101545497B (en) Automobile engine cooling fan control system based on four-phase double-wire winding brushless DC motor
CN102590739A (en) On-line detecting device and detecting method for switch-on and switch-off period of power switch cabinet circuit breaker
CN103560725B (en) A kind of Brushless DC Motor Position detection method independent of rotating speed
CN103941142B (en) A kind of power converter of switch reluctance motor fault diagnosis phase current integration method
CN104734580A (en) Dual-redundancy control method and system of brushless motor

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant