CN110211472A - The integrated system and method for middle duty DC speed regulation serial experiment - Google Patents
The integrated system and method for middle duty DC speed regulation serial experiment Download PDFInfo
- Publication number
- CN110211472A CN110211472A CN201910345130.1A CN201910345130A CN110211472A CN 110211472 A CN110211472 A CN 110211472A CN 201910345130 A CN201910345130 A CN 201910345130A CN 110211472 A CN110211472 A CN 110211472A
- Authority
- CN
- China
- Prior art keywords
- experiment
- speed regulation
- speed
- configuration
- serial experiment
- Prior art date
- Legal status (The legal status 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 status listed.)
- Granted
Links
- 238000002474 experimental method Methods 0.000 title claims abstract description 194
- 238000000034 method Methods 0.000 title claims abstract description 20
- 238000013459 approach Methods 0.000 claims description 17
- 238000012360 testing method Methods 0.000 claims description 12
- 238000002360 preparation method Methods 0.000 claims description 7
- 238000004458 analytical method Methods 0.000 claims description 6
- 238000007667 floating Methods 0.000 claims description 4
- 238000004891 communication Methods 0.000 claims description 3
- 238000012512 characterization method Methods 0.000 claims description 2
- 238000006243 chemical reaction Methods 0.000 claims description 2
- 230000005611 electricity Effects 0.000 claims description 2
- 239000000126 substance Substances 0.000 claims description 2
- 230000001755 vocal effect Effects 0.000 abstract description 5
- 238000011161 development Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 9
- 238000005516 engineering process Methods 0.000 description 4
- 230000010354 integration Effects 0.000 description 4
- 238000011160 research Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 210000001367 artery Anatomy 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 210000005036 nerve Anatomy 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 210000003462 vein Anatomy 0.000 description 1
Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B25/00—Models for purposes not provided for in G09B23/00, e.g. full-sized devices for demonstration purposes
Landscapes
- Engineering & Computer Science (AREA)
- Business, Economics & Management (AREA)
- Physics & Mathematics (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Control Of Direct Current Motors (AREA)
- Control Of Electric Motors In General (AREA)
Abstract
The present invention discloses a kind of integrated system and method towards secondary vocational universities and colleges, DC speed regulation serial experiment.System is made of the configuration and control device of DC speed regulation serial experiment, configuration relay wiring stake array, serial experiment device；The serial experiment device of DC speed regulation serial experiment includes control unit, execution unit, controlled device, measuring unit, zero-speed block unit.Integrated system is based on control theory, and the serial experiment of integrated DC speed regulation facilitates the raw rule found between DC speed regulation knowledge element of vocational school, improves the ability of autonomous learning and self-perfection；It is converted by on-off of the PLC relay output module to port, generates the configuration list of relay output end mouth on-off, configuration list is mapped as the experiment switching of serial experiment, and simple, intuitive is reliable；The integrated system of DC speed regulation serial experiment bases oneself upon existing DC speed regulation experimental provision, reduces the TCO of development difficulty and integrated system.
Description
Technical field
The invention belongs to the technology scopes of DC speed regulation experiment.It particularly relates to based on control theory, towards secondary vocational universities and colleges
, the integrated system and method for DC speed regulation serial experiment.
Background technique
Referring to the syllabus of Hangzhou XXX Technician College, the DC speed regulation course in 52 class hours includes 7 model experiments:
Open loop DC speed regulation, DC speed regulation cabinet, the speed regulation of speed feedback list closed-loop direct, speed feedback list closed loop floating direct current
Speed regulation, the speed regulation of DC speed regulation cabinet negative voltage feedback list closed-loop direct, Double Loop D. C. Speed Regulation System, DC speed regulation cabinet double loop system.
Wherein, experiment 2,5,7 carries out lecture experiment on " DC speed regulation cabinet " by teacher, and student only needs theory-loaded theory, grasps without wiring
Make；Therefore 1,3,4,6 expansion of experiment is focused herein and is discussed.The integrated system of DC speed regulation serial experiment is based on control theory: controlled
Object, speed adjustable DC motor are identical；Execution unit, six thyristor VT1~VT6+ triggering electricity of three-phase rectifier transformer T+
Road, it is identical；Measuring unit, tachometer circuit or with current feedback and current foldback circuit, on demand configure；Control unit, electric current tune
Save device or and speed regulator, on demand configure.The integrated system of DC speed regulation serial experiment guides student from cybernatic view
Potential rule and relationship between DC speed regulation knowledge element are found in angle；With the methods of analogy and conclusion, by knowledge hierarchy
Each element, the organic whole unified as one at all levels be subject to comprehensive consideration.Disclosing knowledge hierarchy is not knowledge
Point is simple " accumulation " and " mixing ", and knowledge system includes the double connotation of knowledge quantity and the structure of knowledge；Reading " cannot only be shown in
Trees lose forest ", by the profound connection between experiment Extracting Knowledge point, cultivate autonomous learning and self-perfection consciousness.
More representational intellectual property Summary on research results is as follows in terms of electrical Experiment Integration System:
Patent of invention " a kind of integrated control system experiment device and operating method " (ZL201010172666.7), proposes
Integrated control system experiment device allows comprising systems such as DC/AC speed-adjusting and control system, servo-control system, elevator group controllings
Student realizes the control system integration of different controlled devices with engineer role.
Patent of invention " Mechatronic universal teaching platform " (ZL201310155929.7), proposition one are standardized
Electromechanical integration Teaching Equipment makes trainee grasp the exploitation of electromechanical integration technology and integrate.
Above-mentioned to benefit our pursuits, be the summary of the integrated aspect research achievement of electrical experiment: different electric control systems integrate,
Electromechanical equipment integrates.Based on control theory, nobody sets foot in the system and method for integrated DC speed regulation serial experiment so far；
Therefore, it is necessary to make further innovative design on the basis of on going result.
Summary of the invention
The purpose of the present invention is overcome the deficiencies of the prior art and provide a kind of integrated system of DC speed regulation serial experiment and
Method.
A kind of integrated system of DC speed regulation serial experiment, it is characterised in that system by DC speed regulation serial experiment configuration
With control device, the configuration relay wiring stake array of DC speed regulation serial experiment, DC speed regulation serial experiment serial experiment
Device composition, the serial experiment device of DC speed regulation serial experiment include control unit, execution unit, controlled device, measurement list
Member, zero-speed block unit, three-phase alternating-current supply；When closed-loop control, measuring unit acquires the controlled variable value of controlled device, deviation
=setting value-controlled variable value, control unit input deviation, deviation substitute into control algolithm formula, output control amount, execution unit
Controlled device is acted on according to control amount, adjusts controlled variable value；When opened loop control, execution unit is directly acted on according to setting value
In controlled device, adjust controlled variable value；Control unit is a logic unit of integrated system, soft or hard platform be configuration and
Control device；
Configuration and control device include the CPU224XP module of S7 200PLC, relay output SM322 module, CPU mould
Communication module, the power supply NES-75-24 module, touch screen that the included mould entry/exit of block and timer module, CPU module carry
MT8070iH module；Configuration relay wiring stake array includes the 1st wiring pile KM1, the 2nd wiring pile KM2, is sequentially incremented to one by one
11st wiring pile KM11, configuration relay wiring stake array are embedded in serial experiment device；Relay exports SM322 module
1st relay output end mouth is connected with the 1st wiring pile KM1, the 2nd relay output end mouth is connected, one by one with the 2nd wiring pile KM2
The 11st relay output end mouth is sequentially incremented to be connected with the 11st wiring pile KM11；
According to the requirement of DC speed regulation serial experiment, in touch screen MT8070iH module, configuration relay wiring is inputted
1st~11 wiring pile on-off value of stake array arranges the configuration that DC speed regulation serial experiment is mapped as relay output end mouth
Table；CPU224XP module controls the logical of relay output SM322 module port referring to the configuration list of relay output end mouth
It is disconnected, i.e., under the control of configuration and control device, complete connection required when the switching of DC speed regulation serial experiment；DC speed regulation system
In column experiment, measuring unit, mould entry/exit amount, opens entry/exit amount at the pulsed quantity of execution unit, the arteries and veins with configuration and control device
Punching, mould entry/exit, open entry/exit port correspond be connected.
The control unit of the serial experiment device is made of speed regulator, current regulator, when double-closed-loop control,
The output of speed regulator is the input of current regulator, constitutes inner and outer ring tandem structure, and the input of speed regulator is deviation
The output of=setting value-controlled variable value, current regulator is the control amount of execution unit；Execution unit by trigger circuit, just
Bridge power amplifier, rectification circuit composition, the control amount of execution unit determine the Trigger Angle of trigger circuit, through main structure of a bridge power amplifier and
Rectification circuit, the direct current of output driving controlled device；Measuring unit is by tachometer circuit, current feedback and current foldback circuit group
At the creeping phenomenon of DC speed-regulating motor when zero-speed block unit then eliminates small signal setting value, to speed regulator, electric current tune
Save revolving speed, the current data of device output controlled device DC speed-regulating motor；1st~11 wiring of configuration relay wiring stake array
Stake, the circuit node of configuration to serial experiment device, is converted by the on-off of relay output SM322 module port on demand, real
The experiment switching of existing serial experiment device；
Rectification circuit includes the 1st thyristor VT1, the 2nd thyristor VT2, is sequentially incremented to the 6th thyristor VT6, three-phase one by one
Rectifier transformer T；The primary and secondary side of transformer is all made of wye connection, and VT1, VT3, VT5 common cathode in six thyristors connect
It connects, the connection of VT4, VT6, VT2 common-anode constitutes classical bridge arm tandem rectifier；The primary side of three-phase rectifier transformer T accesses
Alternating current, the direct current exported after thyristor rectifier are used for controlled device DC speed-regulating motor；
Double Closed-loop DC Speed System is added current regulator in speed feedback list closed-loop speed-regulating system for DCM drives and constitutes
Revolving speed-current double closed-loop Direct Current Governor System, input of the output of speed regulator as current regulator, current regulator
Output control scr rectification circuit.
The process of the DC speed regulation serial experiment integrated approach includes the preparation of DC speed regulation serial experiment integrated approach
Process, the operational process of DC speed regulation serial experiment integrated approach；
The preparation process of DC speed regulation serial experiment integrated approach
(1) DC speed regulation serial experiment, relay output end mouth configuration list is established
Test the speed regulation of 1 open loop DC, 2 DC speed regulation cabinets of experiment, the speed regulation of 3 speed feedback list closed-loop directs of experiment, experiment 4
Speed feedback list closed loop floating DC speed regulation, the speed regulation of 5 DC speed regulation cabinet negative voltage feedback list closed-loop directs of experiment, experiment 6
Double Loop D. C. Speed Regulation System, 7 DC speed regulation cabinet double loop systems of experiment, it is raw in touch screen MT8070iH module by requirement of experiment
At the configuration list of relay output end mouth, 1/0 characterizes relay on/off in table；
The configuration list of relay output end mouth
| KM1 | KM2 | KM3 | KM4 | KM5 | KM6 | KM7 | KM8 | KM9 | KM10 | KM11 | |
| Experiment 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Experiment 2 | × | × | × | × | × | × | × | × | × | × | × |
| Experiment 3 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 1 | 0 | 0 |
| Experiment 4 | 0 | 1 | 1 | 1 | 1 | 0 | 1 | 1 | 1 | 0 | 0 |
| Experiment 5 | × | × | × | × | × | × | × | × | × | × | × |
| Experiment 6 | 0 | 1 | 1 | 1 | 1 | 0 | 0 | 1 | 1 | 1 | 1 |
| Experiment 7 | × | × | × | × | × | × | × | × | × | × | × |
(2) serial experiment device access configuration and control device
The relay output end mouth of the wiring pile of configuration relay wiring stake array and relay output module SM322 are one by one
It is corresponding to be connected
Measuring unit, mould entry/exit amount, opens entry/exit amount at the pulsed quantity of execution unit, pulse with configuration and control device,
Mould entry/exit, open entry/exit port correspond be connected
(3) the experiment in DC speed regulation serial experiment is selected in the list of relay output end mouth configuration
In touch screen MT8070iH model block configuration list, choice experiment 1, experiment 3, experiment 6
To serial experiment device configuration, experiment 1, experiment 3,6 DC speed regulation serial experiment integrated approaches of experiment are generated one by one
Operational process
(1) the DC speed regulation serial experiment of selection is implemented
CPU 224XP downloading touch screen MT8070iH configuration list choice experiment implements the reality selected in configuration list one by one
It tests
(2) the rule between DC speed regulation knowledge element is found in analysis, analogy and conclusion
Record experimental data, analysis, analogy and conclusion
Find the rule between DC speed regulation knowledge element
Case1: experiment is reselected in touch screen MT8070iH model block configuration list
Case2: the new control algolithm of touch screen MT8070iH module loading
Case3: replacement DC speed-regulating motor
Case4: it repeats to test
Case5: turn (4)
(3) continue to test
Turn (1)
(4) terminate
end。
Compared with the background technology, the present invention, it has the beneficial effect that based on control theory, the series of integrated DC speed regulation
Experiment facilitates the raw rule found between DC speed regulation knowledge element of vocational school, improves independent learning ability, and that realizes itself can
Sustainable development；By PLC relay output module, the on-off configuration of relay is carried out to relay output end mouth, generates relay
The experiment switching of the configuration list of device output port, serial experiment is mapped as configuration list, and simple, intuitive is reliable；DC speed regulation system
The serial experiment device of column experiment bases oneself upon existing DC speed regulation experimental provision, reduces the TCO of development difficulty and integrated system.
Detailed description of the invention
Fig. 1 (a) is the structural block diagram of DC speed regulation serial experiment integrated system；
Fig. 1 (b) is the control principle drawing of DC speed regulation serial experiment integrated system；
Fig. 2 (a) is the structural block diagram of serial experiment device；
Fig. 2 (b) is the circuit diagram of rectification circuit；
Fig. 2 (c) is the schematic diagram of Double Closed-loop DC Speed System；
Fig. 3 (a) is the flow chart of DC speed regulation serial experiment integrated approach；
Fig. 3 (b) is the preparation flow chart of DC speed regulation serial experiment integrated approach；
Fig. 3 (c) is the block diagram of open loop DC speed-regulating system experiment；
Fig. 3 (d) is the block diagram of speed feedback list closed-loop speed-regulating system for DCM drives experiment；
Fig. 3 (e) is the block diagram of Double Closed-loop DC Speed System experiment；
Fig. 3 (f) is the operational flow diagram of DC speed regulation serial experiment integrated approach.
Specific embodiment
As shown in Fig. 1 (a), Fig. 1 (b), Fig. 2 (a), the integrated system of DC speed regulation serial experiment is real by DC speed regulation series
The configuration relay wiring stake array 200 of the configuration and control device 100, DC speed regulation serial experiment tested, DC speed regulation series
The serial experiment device 900 of experiment forms, and the serial experiment device 900 of DC speed regulation serial experiment includes control unit 300, holds
Row unit 400, controlled device 500, measuring unit 600, zero-speed block unit 700, three-phase alternating-current supply 800；When closed-loop control,
The controlled variable value of the acquisition controlled device 500 of measuring unit 600, deviation=setting value-controlled variable value, control unit 300 are defeated
Enter deviation, deviation substitution control algolithm formula, output control amount, execution unit 400 acts on controlled device according to control amount
500, controlled variable value is adjusted；When opened loop control, execution unit 400 directly acts on controlled device 500 according to setting value, adjusts
Controlled variable value；Control unit 300 is a logic unit of integrated system, and soft or hard platform is configuration and control device 100；
Configuration and control device 100 include the CPU224XP module 110 of S7 200PLC, relay output SM322 module
120, the included communication module 160 of the mould entry/exit and timer module 130, CPU module that CPU module carries, power supply NES-75-
24 modules 170, touch screen MT8070iH module 180；Configuration relay wiring stake array 200 include the 1st wiring pile KM1 201,
2nd wiring pile KM2 202, it is sequentially incremented to the 11st wiring pile KM11 211 one by one, configuration relay wiring stake array 200 is embedded in
In serial experiment device 900；The 1st relay output end mouth and the 1st wiring pile KM1 of relay output SM322 module 120
201 are connected, the 2nd relay output end mouth is connected with the 2nd wiring pile KM2 202, are sequentially incremented to the output of the 11st relay one by one
Port is connected with the 11st wiring pile KM11 211；
According to the requirement of DC speed regulation serial experiment, in touch screen MT8070iH module 180, input configuration relay is connect
1st~11 wiring pile on-off value of line stake array 200, i.e., be mapped as DC speed regulation serial experiment the group of relay output end mouth
State list；Configuration list of the CPU224XP module 110 referring to relay output end mouth, control relay output SM322 module 120
The on-off of port completes company required when the switching of DC speed regulation serial experiment that is, under the control of configuration and control device 100
It connects；In DC speed regulation serial experiment, measuring unit 600, mould entry/exit amount, opens entry/exit amount at the pulsed quantity of execution unit 400, with
Configuration and the pulse of control device 100, mould entry/exit open entry/exit port one-to-one correspondence and are connected.
Illustrate 1: control unit 300 is the logic unit of control principle drawing, and physics realization is in configuration and control device 100
In；Consider the terseness of statement, the unfiled single closed-loop control and the two close cycles control of speed~electric current that speed, electric current are discussed
System.The serial experiment device 900 of DC speed regulation serial experiment is based on existing DC speed regulation experimental provision, therefore only refers to and also not making
Detailed description；The control algolithm of control unit 300, either classical PID, is also possible to fuzzy control, prediction or nerve
Network-control etc..In view of measuring unit 600, the pulsed quantity of execution unit 400, mould entry/exit amount, entry/exit amount is opened depending on tool
The DC speed regulation serial experiment of body, the connection category knowledge scope with configuration and control device 100, text in use form abbreviation
The mode of stating is handled.
As shown in Fig. 2 (a), Fig. 2 (b), Fig. 2 (c), the control unit 300 of serial experiment device 900 is by speed regulator
310, current regulator 320 forms, when double-closed-loop control, the output of speed regulator 310 be the input of current regulator 320,
Inner and outer ring tandem structure is constituted, the input of speed regulator 310 is deviation=setting value-controlled variable value, current regulator 320
Output be execution unit 400 control amount；Execution unit 400 is by trigger circuit 410, main structure of a bridge power amplifier 420, rectified current
Road 430 forms, and the control amount of execution unit 400 determines the Trigger Angle of trigger circuit 410, through main structure of a bridge power amplifier 420 and rectification
Circuit 430, the direct current of output driving controlled device 500；Measuring unit 600 is protected by tachometer circuit 610, current feedback and overcurrent
Protection circuit 620 forms, the creeping phenomenon of DC speed-regulating motor, Xiang Su when zero-speed block unit 700 then eliminates small signal setting value
Spend adjuster 310, current regulator 320 exports the revolving speed of 500 DC speed-regulating motor of controlled device, current data；Configuration relay
1st~11 wiring pile of device wiring pile array 200 is configured on demand to the circuit node of serial experiment device 900, by relay
Device exports the on-off conversion of 120 port of SM322 module, realizes the experiment switching of serial experiment device 900；
Rectification circuit 430 includes the 1st thyristor VT1 431, the 2nd thyristor VT2 432, is sequentially incremented to the 6th crystalline substance one by one
Brake tube VT6 436, three-phase rectifier transformer T 437；The primary and secondary side of transformer is all made of wye connection, in six thyristors
The connection of VT1, VT3, VT5 common cathode, the connection of VT4, VT6, VT2 common-anode constitutes classical bridge arm tandem rectifier；Three-phase
The primary side of rectifier transformer T 437 accesses alternating current, and the direct current exported after thyristor rectifier is for 500 DC speed-regulating motor of controlled device
It uses；
Current regulator is added in speed feedback list closed-loop speed-regulating system for DCM drives in Double Closed-loop DC Speed System
(320) revolving speed-current double closed-loop Direct Current Governor System is constituted, the output of speed regulator 310 is as the defeated of current regulator 320
Enter, the output of current regulator controls scr rectification circuit 430.
Illustrate 2: the physics realization in view of speed regulator, current regulator is the rectification in configuration and control device 100
Circuit has been described in Fig. 2 (b)；Trigger circuit, main structure of a bridge power amplifier, controlled device DC speed-regulating motor, tachometer circuit, electric current
Feedback and current foldback circuit, zero-speed lockout circuit technology maturation belong to knowledge scope；Therefore it only refers to and not opening up in verbal description
It opens, is provided in form of a block diagram in Fig. 2 (c).
As shown in Fig. 3 (a), Fig. 3 (b), Fig. 3 (c), Fig. 3 (d), Fig. 3 (e), Fig. 3 (f), Fig. 1 (a), Fig. 2 (a), direct current tune
Fast serial experiment integrated approach process includes the preparation process of DC speed regulation serial experiment integrated approach, DC speed regulation serial experiment
The operational process of integrated approach；
The preparation process of DC speed regulation serial experiment integrated approach
(1) DC speed regulation serial experiment, relay output end mouth configuration list is established
Test the speed regulation of 1 open loop DC, 2 DC speed regulation cabinets of experiment, the speed regulation of 3 speed feedback list closed-loop directs of experiment, experiment 4
Speed feedback list closed loop floating DC speed regulation, the speed regulation of 5 DC speed regulation cabinet negative voltage feedback list closed-loop directs of experiment, experiment 6
Double Loop D. C. Speed Regulation System, 7 DC speed regulation cabinet double loop systems of experiment, by requirement of experiment, in touch screen MT8070iH module 180
On, generate the configuration list of relay output end mouth, 1/0 characterization relay on/off in table；
The configuration list of relay output end mouth
| KM1 | KM2 | KM3 | KM4 | KM5 | KM6 | KM7 | KM8 | KM9 | KM10 | KM11 | |
| Experiment 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Experiment 2 | × | × | × | × | × | × | × | × | × | × | × |
| Experiment 3 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 1 | 0 | 0 |
| Experiment 4 | 0 | 1 | 1 | 1 | 1 | 0 | 1 | 1 | 1 | 0 | 0 |
| Experiment 5 | × | × | × | × | × | × | × | × | × | × | × |
| Experiment 6 | 0 | 1 | 1 | 1 | 1 | 0 | 0 | 1 | 1 | 1 | 1 |
| Experiment 7 | × | × | × | × | × | × | × | × | × | × | × |
(2) serial experiment device access configuration and control device
The wiring pile of configuration relay wiring stake array 200 and the relay of relay output module SM322 120 export
Port, which corresponds, to be connected
Measuring unit 600, mould entry/exit amount, opens entry/exit amount at the pulsed quantity of execution unit 400, with configuration and control device
100 pulse, mould entry/exit are opened entry/exit port and are corresponded and be connected
(3) the experiment in DC speed regulation serial experiment is selected in the list of relay output end mouth configuration
In the 180 configuration list of touch screen MT8070iH module, choice experiment 1, experiment 3, experiment 6
To 900 configuration of serial experiment device, generates test 1, experiment 3 one by one, 6 DC speed regulation serial experiments of experiment integrate
The operational process of method
(1) the DC speed regulation serial experiment of selection is implemented
CPU 224XP 110 downloads touch screen MT8070iH180 configuration list choice experiment
Implement the experiment selected in configuration list one by one
(2) the rule between DC speed regulation knowledge element is found in analysis, analogy and conclusion
Record experimental data, analysis, analogy and conclusion
Find the rule between DC speed regulation knowledge element
Experiment is reselected in the 180 configuration list of Case1: touch screen MT8070iH module
Case2: touch screen MT8070iH module 180 loads new control algolithm
Case3: replacement DC speed-regulating motor
Case4: it repeats to test
Case5: turn (4)
(3) continue to test
Turn (1)
(4) terminate
end。
Illustrate 3: teacher carries out the lecture experiment of experiment 2,5,7 by " DC speed regulation cabinet ", be not related to student wiring and
Test operation；Therefore discussed herein around 1,3,4,6 expansion of experiment, 4 take 3 in embodiment.
Claims (3)
1. a kind of integrated system of DC speed regulation serial experiment, which is characterized in that system by DC speed regulation serial experiment configuration
With configuration relay wiring stake array (200), the DC speed regulation serial experiment of control device (100), DC speed regulation serial experiment
Serial experiment device (900) composition, the serial experiment device (900) of DC speed regulation serial experiment include control unit (300),
Execution unit (400), controlled device (500), measuring unit (600), zero-speed block unit (700), three-phase alternating-current supply
(800)；When closed-loop control, measuring unit (600) acquires the controlled variable value of controlled device (500), and deviation=setting value-is controlled
Variate-value, control unit (300) input deviation, deviation substitute into control algolithm formula, output control amount, execution unit (400) root
Controlled device (500) is acted on according to control amount, adjusts controlled variable value；When opened loop control, execution unit (400) is according to setting value
It directly acts on controlled device (500), adjust controlled variable value；Control unit (300) is a logic unit of integrated system；
Configuration and control device (100) include the CPU224XP module (110) of 200 PLC of S7, relay output SM322 module
(120), the included communication module (160) of the mould entry/exit and timer module (130), CPU module that CPU module carries, power supply
NES-75-24 module (170), touch screen MT8070iH module (180)；Configuration relay wiring stake array (200) connects including the 1st
Line stake KM1 (201), the 2nd wiring pile KM2 (202), it is sequentially incremented to the 11st wiring pile KM11 (211) one by one, configuration relay connects
Line stake array (200) is embedded in serial experiment device (900)；The 1st relay that relay exports SM322 module (120) is defeated
Exit port is connected with the 1st wiring pile KM1 (201), the 2nd relay output end mouth is connected with the 2nd wiring pile KM2 (202), presses one by one
Sequence is incremented to the 11st relay output end mouth and is connected with the 11st wiring pile KM11 (211)；
According to the requirement of DC speed regulation serial experiment, in touch screen MT8070iH module (180), configuration relay wiring is inputted
1st~11 wiring pile on-off value of stake array (200), i.e., be mapped as DC speed regulation serial experiment the group of relay output end mouth
State list；Configuration list of the CPU224XP module (110) referring to relay output end mouth, control relay output SM322 module
(120) on-off of port completes DC speed regulation serial experiment and switches when institute that is, under the control of configuration and control device (100)
The connection needed；In DC speed regulation serial experiment, measuring unit (600), mould entry/exit amount, is opened the pulsed quantity of execution unit (400)
Entry/exit amount, with the pulse of configuration and control device (100), mould entry/exit, open entry/exit port one-to-one correspondence be connected.
2. the integrated system of DC speed regulation serial experiment according to claim 1, which is characterized in that the serial experiment
The control unit (300) of device (900) is made of speed regulator (310), current regulator (320), when double-closed-loop control, speed
The output for spending adjuster (310) is the input of current regulator (320), constitutes inner and outer ring tandem structure, speed regulator (310)
Input be deviation=setting value-controlled variable value, the output of current regulator (320) is the control amount of execution unit (400)；
Execution unit (400) is made of trigger circuit (410), main structure of a bridge power amplifier (420), rectification circuit (430), execution unit
(400) control amount determines the Trigger Angle of trigger circuit (410), defeated through main structure of a bridge power amplifier (420) and rectification circuit (430)
The direct current of controlled device (500) is driven out；Measuring unit (600) is by tachometer circuit (610), current feedback and overcurrent protection electricity
Road (620) composition, the creeping phenomenon of DC speed-regulating motor, Xiang Su when small signal setting value is then eliminated in zero-speed block unit (700)
Spend adjuster (310), the revolving speed of current regulator (320) output controlled device (500) DC speed-regulating motor, current data；Group
1st~11 wiring pile of state relay wiring stake array (200) is configured on demand to the circuit node of serial experiment device (900),
By the on-off conversion of relay output SM322 module (120) port, the experiment switching of serial experiment device (900) is realized；
Rectification circuit (430) includes the 1st thyristor VT1 (431), the 2nd thyristor VT2 (432), is sequentially incremented to the 6th crystalline substance one by one
Brake tube VT6 (436), three-phase rectifier transformer T (437)；The primary and secondary side of transformer is all made of wye connection, six thyristors
In the connection of VT1, VT3, VT5 common cathode, the connection of VT4, VT6, VT2 common-anode constitutes classical bridge arm tandem rectifier；Three
The primary side of commutating phase transformer T (437) accesses alternating current, and the direct current exported after thyristor rectifier is for controlled device (500) direct current tune
Speed motor uses；Current regulator is added in speed feedback list closed-loop speed-regulating system for DCM drives in Double Closed-loop DC Speed System
(320) revolving speed-current double closed-loop Direct Current Governor System is constituted, the output of speed regulator (310) is as current regulator (320)
Input, the output of current regulator controls scr rectification circuit (430).
3. a kind of DC speed regulation serial experiment integrated approach using integrated system as described in claim 1, which is characterized in that side
The process of method includes the preparation process of DC speed regulation serial experiment integrated approach and the fortune of DC speed regulation serial experiment integrated approach
Row process；
The preparation process of DC speed regulation serial experiment integrated approach
(1) DC speed regulation serial experiment, relay output end mouth configuration list is established
Test the speed regulation of 1 open loop DC, 2 DC speed regulation cabinets of experiment, the speed regulation of 3 speed feedback list closed-loop directs of experiment, 4 revolving speeds of experiment
Negative-feedback list closed loop floating DC speed regulation, the speed regulation of 5 DC speed regulation cabinet negative voltage feedback list closed-loop directs of experiment, experiment 6 pairs are closed
Ring DC speed regulation, 7 DC speed regulation cabinet double loop systems of experiment, by requirement of experiment, in touch screen MT8070iH module (180),
Generate the configuration list of relay output end mouth, 1/0 characterization relay on/off in table；
The configuration list of relay output end mouth
(2) serial experiment device access configuration and control device
The wiring pile of configuration relay wiring stake array (200) and the relay output end of relay output module SM322 (120)
Mouth, which corresponds, to be connected
Measuring unit (600), mould entry/exit amount, opens entry/exit amount at the pulsed quantity of execution unit (400), with configuration and control device
(100) pulse, mould entry/exit are opened entry/exit port and are corresponded and be connected
(3) the experiment in DC speed regulation serial experiment is selected in the list of relay output end mouth configuration
In touch screen MT8070iH module (180) configuration list, choice experiment 1, experiment 3, experiment 6
To serial experiment device (900) configuration, experiment 1, experiment 3, experiment 6 are generated one by one
The operational process of DC speed regulation serial experiment integrated approach
(1) the DC speed regulation serial experiment of selection is implemented
CPU 224XP (110) downloads touch screen MT8070iH (180) configuration list choice experiment
Implement the experiment selected in configuration list one by one
(2) the rule between DC speed regulation knowledge element is found in analysis, analogy and conclusion
Record experimental data, analysis, analogy and conclusion
Find the rule between DC speed regulation knowledge element
Experiment is reselected in Case1: touch screen MT8070iH module (180) configuration list
Case2: touch screen MT8070iH module (180) loads new control algolithm
Case3: replacement DC speed-regulating motor
Case4: it repeats to test
Case5: turn (4)
(3) continue to test
Turn (1)
(4) terminate
end。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910345130.1A CN110211472B (en) | 2019-04-26 | 2019-04-26 | Integrated system and method for middle-duty DC speed regulation series experiment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910345130.1A CN110211472B (en) | 2019-04-26 | 2019-04-26 | Integrated system and method for middle-duty DC speed regulation series experiment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110211472A true CN110211472A (en) | 2019-09-06 |
| CN110211472B CN110211472B (en) | 2021-06-25 |
Family
ID=67786408
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910345130.1A Expired - Fee Related CN110211472B (en) | 2019-04-26 | 2019-04-26 | Integrated system and method for middle-duty DC speed regulation series experiment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110211472B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113341763A (en) * | 2021-06-07 | 2021-09-03 | 华北电力大学 | Speed regulation simulation platform of direct-current motor |
Citations (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2884384Y (en) * | 2005-09-23 | 2007-03-28 | 北京联合大学 | Comprehensive experimental facility for electric-control education made of modularization configuration |
| CN101093394A (en) * | 2007-07-11 | 2007-12-26 | 哈尔滨工程大学 | Remote controllable hardware configuration system based on network, and control method |
| CN201004290Y (en) * | 2007-01-10 | 2008-01-09 | 合肥工业大学 | Speed-adjusting teaching experimental system for phase control/cutting control electric closed current |
| CN201035813Y (en) * | 2007-04-25 | 2008-03-12 | 胡庆峰 | DC speed governing system traning cabinet |
| CN101354851A (en) * | 2007-07-26 | 2009-01-28 | 浙江天煌科技实业有限公司 | Complete digital control alternating current-direct current velocity modulation and load application system for teaching |
| CN101509948A (en) * | 2008-10-08 | 2009-08-19 | 上海科世达-华阳汽车电器有限公司 | Automobile electronic test system and test method thereof |
| CN201307366Y (en) * | 2008-08-28 | 2009-09-09 | 浙江天煌科技实业有限公司 | Comprehensive training platform for industrial full-digital AC/DC speed adjusting system |
| CN101853591A (en) * | 2010-05-12 | 2010-10-06 | 上海电机学院 | Integrated control system experiment device and operation method |
| CN203217054U (en) * | 2013-05-17 | 2013-09-25 | 哈尔滨国力电气有限公司 | Protection switch test stand |
| US8593948B1 (en) * | 2012-12-04 | 2013-11-26 | Hitachi, Ltd. | Network device and method of controlling network device |
| CN203552557U (en) * | 2013-11-25 | 2014-04-16 | 淮安信息职业技术学院 | Electrical automation teaching experiment training comprehensive device |
| CN104111421A (en) * | 2014-07-18 | 2014-10-22 | 上海奥波电子有限公司 | Alternating current induction motor detection brake device and detection system |
| CN203931294U (en) * | 2014-06-13 | 2014-11-05 | 湖北理工学院 | Intelligent open type multifunctional Power Electronic Experimentation device |
| CN204045087U (en) * | 2014-07-23 | 2014-12-24 | 北京海瑞克科技发展有限公司 | A kind of intelligent solar photovoltaic innovative teaching experimental platform equipment |
| CN105280064A (en) * | 2015-11-10 | 2016-01-27 | 朱永迪 | Automatic control experiment cabinet |
| CN108766089A (en) * | 2018-06-04 | 2018-11-06 | 浙江大学 | The diagnostic system and method for electric wiring wiring faults |
| CN108766150A (en) * | 2018-06-04 | 2018-11-06 | 浙江大学 | The wiring faults diagnostic system and method for electromagnetic relay are added on connections plate |
-
2019
- 2019-04-26 CN CN201910345130.1A patent/CN110211472B/en not_active Expired - Fee Related
Patent Citations (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2884384Y (en) * | 2005-09-23 | 2007-03-28 | 北京联合大学 | Comprehensive experimental facility for electric-control education made of modularization configuration |
| CN201004290Y (en) * | 2007-01-10 | 2008-01-09 | 合肥工业大学 | Speed-adjusting teaching experimental system for phase control/cutting control electric closed current |
| CN201035813Y (en) * | 2007-04-25 | 2008-03-12 | 胡庆峰 | DC speed governing system traning cabinet |
| CN101093394A (en) * | 2007-07-11 | 2007-12-26 | 哈尔滨工程大学 | Remote controllable hardware configuration system based on network, and control method |
| CN101354851A (en) * | 2007-07-26 | 2009-01-28 | 浙江天煌科技实业有限公司 | Complete digital control alternating current-direct current velocity modulation and load application system for teaching |
| CN201307366Y (en) * | 2008-08-28 | 2009-09-09 | 浙江天煌科技实业有限公司 | Comprehensive training platform for industrial full-digital AC/DC speed adjusting system |
| CN101509948A (en) * | 2008-10-08 | 2009-08-19 | 上海科世达-华阳汽车电器有限公司 | Automobile electronic test system and test method thereof |
| CN101853591A (en) * | 2010-05-12 | 2010-10-06 | 上海电机学院 | Integrated control system experiment device and operation method |
| US8593948B1 (en) * | 2012-12-04 | 2013-11-26 | Hitachi, Ltd. | Network device and method of controlling network device |
| CN203217054U (en) * | 2013-05-17 | 2013-09-25 | 哈尔滨国力电气有限公司 | Protection switch test stand |
| CN203552557U (en) * | 2013-11-25 | 2014-04-16 | 淮安信息职业技术学院 | Electrical automation teaching experiment training comprehensive device |
| CN203931294U (en) * | 2014-06-13 | 2014-11-05 | 湖北理工学院 | Intelligent open type multifunctional Power Electronic Experimentation device |
| CN104111421A (en) * | 2014-07-18 | 2014-10-22 | 上海奥波电子有限公司 | Alternating current induction motor detection brake device and detection system |
| CN204045087U (en) * | 2014-07-23 | 2014-12-24 | 北京海瑞克科技发展有限公司 | A kind of intelligent solar photovoltaic innovative teaching experimental platform equipment |
| CN105280064A (en) * | 2015-11-10 | 2016-01-27 | 朱永迪 | Automatic control experiment cabinet |
| CN108766089A (en) * | 2018-06-04 | 2018-11-06 | 浙江大学 | The diagnostic system and method for electric wiring wiring faults |
| CN108766150A (en) * | 2018-06-04 | 2018-11-06 | 浙江大学 | The wiring faults diagnostic system and method for electromagnetic relay are added on connections plate |
Non-Patent Citations (1)
| Title |
|---|
| 李春华,李宏伟,丁茹,郑桐: "新型直流调速装置多参数综合测试系统的设计", 《机床与液压》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113341763A (en) * | 2021-06-07 | 2021-09-03 | 华北电力大学 | Speed regulation simulation platform of direct-current motor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110211472B (en) | 2021-06-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Mahabir | Linear averaged and sampled data models for large signal control of high power factor AC-DC converters | |
| Guérin et al. | Hybrid modeling for performance evaluation of multisource renewable energy systems | |
| CN102750854A (en) | Practical training system for applying Internet of Things and practical training method thereof | |
| Abdar et al. | Design and implementation a specific grid-tie inverter for an agent-based microgrid | |
| CN105608244A (en) | Distributed photovoltaic power generation system equivalent simulation model based on PSCAD (Power System Computer Aided Design)/EMTDC (Electromagnetic Transient Including DC) | |
| CN206992951U (en) | Digital programmable power-supply based on stepping-up/stepping-down chopper circuit | |
| CN110211472A (en) | The integrated system and method for middle duty DC speed regulation serial experiment | |
| CN102830629A (en) | Testing device and method of power electronic control system | |
| Wang et al. | Coordinated control of EPT and generator excitation system for multidouble-circuit transmission-lines system | |
| Guo et al. | Engaging renewable energy education using a web-based interactive microgrid virtual laboratory | |
| CN104615129B (en) | AC servo motor hardware-in-the-loop test device | |
| Wollenberg et al. | The importance of modern teaching labs | |
| CN102522886B (en) | Parallel switch power module power supply device | |
| CN204576921U (en) | A kind of Digital Electric electronic experimental device | |
| CN106487365B (en) | A kind of multi-channel PWM drive control circuit, drive control method and electrical household appliance | |
| CN206301235U (en) | Alternating Current Power Supply quality regulator | |
| CN109256026A (en) | A kind of experiment device for teaching of Double Closed-loop DC Speed System | |
| CN203870178U (en) | Control circuit of traction converter test system and related application system thereof | |
| CN220019783U (en) | Simple HTGB tester | |
| Sloderbeck et al. | The addition of a 5 MW variable voltage source to a hardware-in-the-loop simulation and test facility | |
| CN205028546U (en) | Experimental device for towards virtual object ratio control system | |
| CN210955735U (en) | Electrician and electronic engineering application practice teaching platform | |
| CN107045337A (en) | A kind of controller performance test platform of cascade connection type SVG systems | |
| CN204538979U (en) | A kind of Novel voltage-regulating circuit | |
| CN201655060U (en) | Industrial digital servo system training device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210625 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |