CN106707948A - Shearer frequency-converted haulage unit computer monitoring system - Google Patents
Shearer frequency-converted haulage unit computer monitoring system Download PDFInfo
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- CN106707948A CN106707948A CN201510774810.7A CN201510774810A CN106707948A CN 106707948 A CN106707948 A CN 106707948A CN 201510774810 A CN201510774810 A CN 201510774810A CN 106707948 A CN106707948 A CN 106707948A
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- coal
- monitoring system
- winning machine
- traction unit
- frequency converter
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/05—Programmable logic controllers, e.g. simulating logic interconnections of signals according to ladder diagrams or function charts
- G05B19/058—Safety, monitoring
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/10—Plc systems
- G05B2219/15—Plc structure of the system
- G05B2219/15038—Internet, tcp-ip, web server see under S05B219-40
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/10—Plc systems
- G05B2219/16—Plc to applications
- G05B2219/163—Domotique, domestic, home control, automation, smart, intelligent house
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- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Testing And Monitoring For Control Systems (AREA)
Abstract
The invention discloses a shearer frequency-converted haulage unit computer monitoring system. A modular human-computer interface PLC controller SIMArTIC S7-300 is adopted to be matched with corresponding upper computer software for directly controlling the shearer, and industrial Ethernet is used between the two for data communication. through monitoring and management of the system, the frequency-converted haulage shearer operation efficiency and the reliability are improved obviously, and normal coal mine production operation can be ensured.
Description
Technical field
The present invention relates to a kind of coal-winning machine inverter-fed traction unit computer monitoring system, it is adaptable to field of mining.
Background technology
Coal-winning machine is one and integrates machinery, the large-scale complicated system of electric and hydraulic pressure, vital effect is played in current coal mining operation, coal-winning machine inverter-fed traction unit is used as its operation core part, work under bad environment, complex structure, it is easy to break down, if can not in time process failure so great influence will be caused to whole exploitation work.Coal-winning machine inverter-fed traction unit monitors system carries out complete monitoring by the state to coal-winning machine can reduce rate of breakdown.Improve breakdown maintenance speed.Loss is reduced to minimum, therefore, one coal-winning machine inverter-fed traction unit monitors system of exploitation has great importance for coal mining.
The content of the invention
The present invention proposes a kind of coal-winning machine inverter-fed traction unit computer monitoring system, and by the monitoring management of the system, the efficiency and reliability of inverter-fed traction coal mining machine operation have obtained significant raising, and the normal operation of coal production is guaranteed.
The technical solution adopted in the present invention is：
The working environment of the coal-winning machine inverter-fed traction unit is complicated severe, the temperature of various degrees, vibration, electromagnetism are equal to and disturb, therefore using the existing PROFIBUS fieldbus for having high-transmission efficiency again compared with high noise immunity as the communication media of system, to improve the stability and operability of system.Coal-winning machine inverter-fed traction unit needs that bi-motor synchronizes traction and the load of the two is as far as possible equal, therefore from the ABBACS800 frequency-variable controllers with master/slave control function controls 2 traction electric machine co-ordinations herein.Control system uses modularization man-machine interface PLC SIMArTIC S7-300 and is equipped with corresponding upper software carries out indirect control to coal-winning machine, enters row data communication using EPA therebetween.
The coal-winning machine inverter-fed traction unit monitors system should be implemented function such as：(1) state recognition.Coal cutter frequency converter is based on the identification of the states such as work, stopping, the failure of finite state machine, to be operated accordingly according to different states；(2) parameter detecting control function.The control of the working conditions such as power, torque for coal cutter frequency converter, temperature, output voltage, the isoparametric collection of communications status, startup, stopping, frequency conversion for frequency converter and control word：(3) diagnosis of failure and alarm.The diagnosis of alarm and fault type to coal cutter frequency converter abnormal operation；(4) communication function.Host computer is communicated by Profibus fieldbus and EPA with lower floor PLC, and acquisition, control and the storage of the data such as working condition and fault message can be realized, inquired about for operating personnel and analyzed, according to analysis of system performance, the system functional module is divided into state recognition module, population parameter monitoring and communication module, fault diagnosis alarm module.
Finite state machine is built upon the structural model that state simulation is carried out to physical prototyping on computer, is made up of input state table, output state table, transfer parameters.In the state of difference, output is determined according to input, a track connected into by different conditions is formed in space.To realize the identification to frequency converter state, state machine modeling is carried out to coal-winning machine inverter-fed traction unit by WinCC configuration softwares and related development instrument, the working condition of the unit is shown with this；PLC (SIMATIC S7-300) obtains the inner parameter of coal-winning machine inverter-fed traction unit and data is uploaded into host computer by communication module in real time.Upper software is analyzed treatment according to parameter, determines the state shown by state machine model.
The upper strata of the monitoring system uses the host computer with PC as platform, with WinCC project managers as higher management to be managed collectively the parameter setting and data configuration of whole engineering project, and SIMArllC is passed through between WinCC stations and SIMATIC S7-300 controller
S7Protocol Suite passages are communicated using the ICP/IP protocol of EPA with the PLC of lower floor.Its detailed process is：System control configuration software is connected to lower floor's PLC by ICP/IP protocol, SIMArTIC S7 Protocol Suite passages are set up after completing communication card hardware driving, and the Profibus parameters of PLC and WinCC are started setting up, the latter two of completion can be communicated with by communications module.The physical parameter of the frequency converter that PLC is monitored can be obtained so as to upper system, the functions such as data display, storage, drawing, analysis and inquiry are carried out by Microsoft SQL Sever databases, it is possible to the real-time control of the states such as artificial startup, stopping, frequency conversion to coal cutter frequency converter is realized by the man-machine interface of PC.In lower floor's control process of monitoring system, ACS800 frequency converters using ABB Drive agreements connect RPBA-0l communication adapters, then with Profibus-DP be communication protocol and airborne PLC SIMArllC
S7-300 are connected, the state parameter of sensing is sent to PLC by the sensor such as the airborne temperature of coal-winning machine, pressure, speed by Profibus buses in the form of digital quantity simultaneously, and SIMATIC S7-300 are physically realizing the dynamic parameter of reading frequency converter in real time and control frequency converter State Transferring as master station accordingly.The realization of Profibus-DP monitoring functions depends on PPO (Parameter Process
Obiect) message.PPO messages are by parameter channel（PKW）And process channel（PDZ）Composition.Parameter channel is used for reading and setting the parameter of frequency converter operation, including 4 words, the task requests code of preceding 2 Ge Zishi main websites and the task respective code of slave station, and 2 words are the specific parameter values for needing and reading and writing afterwards.Process channel is used for that frequency converter is monitored and controlled, and is responsible for control information, status information, setup parameter and the actual parameter of transmission frequency converter.Priority is higher than PKW.In request message of the main website to slave station frequency converter, the 1st word of PZD is control word (CW), and the 2nd word is setting value (REF)；In response message of the slave station to main website.1st word of PZD is status word (SW), and the 2nd word is actual value (ACT), the i.e. the currently active data of frequency converter.
Under the parametric control pattern of Profibus fieldbus, controller is communicated the monitoring system by PPO messages with frequency converter, so as to functionally realize the dynamic parameter for reading frequency converter in real time and control frequency converter State Transferring.
The fault diagnosis of the monitoring system should not be only differentiation and the positioning of the source of trouble of failure, should also include identification, fault alarm and the urgent defencive function of abnormal operation, therefore also need individually to develop fault diagnosis alarm module.The basic design method of the module is that Mishap Database is set up in host computer, the parameter of inverter-fed traction unit is read by Profibus fieldbus in real time and personal data storehouse is write, it is analyzed to judge its working condition according to pattern-recognition control algolithm, automatic request for data library inquiry when a failure occurs, obtain out of order type and position the source of trouble, turn in a report and solution.Can realize that the failure occurred to coal-winning machine inverter-fed traction unit carries out timely, accurate diagnosis and treatment by the module, ensure the normal work of the unit.
The beneficial effects of the invention are as follows：By the monitoring management of the system, the efficiency and reliability of inverter-fed traction coal mining machine operation have obtained significant raising, and the normal operation of coal production is guaranteed.
Brief description of the drawings
The present invention is further described with reference to the accompanying drawings and examples.
Fig. 1 is coal-winning machine inverter-fed traction unit monitors system general frame of the invention.
Fig. 2 is coal-winning machine frequency-changing control system state machine model of the invention.
Fig. 3 is frequency converter of the invention-controller communication flow diagram.
Specific embodiment
The invention will be further described with reference to the accompanying drawings and examples.
Such as Fig. 1, the working environment of coal-winning machine inverter-fed traction unit is complicated severe, the temperature of various degrees, vibration, electromagnetism are equal to and disturb, therefore using the existing PROFIBUS fieldbus for having high-transmission efficiency again compared with high noise immunity as the communication media of system, to improve the stability and operability of system.Coal-winning machine inverter-fed traction unit needs that bi-motor synchronizes traction and the load of the two is as far as possible equal, therefore from the ABBACS800 frequency-variable controllers with master/slave control function controls 2 traction electric machine co-ordinations herein.Control system uses modularization man-machine interface PLC SIMArTIC S7-300 and is equipped with corresponding upper software carries out indirect control to coal-winning machine, enters row data communication using EPA therebetween.
Coal-winning machine inverter-fed traction unit monitors system should be implemented function such as：(1) state recognition.Coal cutter frequency converter is based on the identification of the states such as work, stopping, the failure of finite state machine, to be operated accordingly according to different states；(2) parameter detecting control function.The control of the working conditions such as power, torque for coal cutter frequency converter, temperature, output voltage, the isoparametric collection of communications status, startup, stopping, frequency conversion for frequency converter and control word：(3) diagnosis of failure and alarm.The diagnosis of alarm and fault type to coal cutter frequency converter abnormal operation；(4) communication function.Host computer is communicated by Profibus fieldbus and EPA with lower floor PLC, and acquisition, control and the storage of the data such as working condition and fault message can be realized, inquired about for operating personnel and analyzed, according to analysis of system performance, the system functional module is divided into state recognition module, population parameter monitoring and communication module, fault diagnosis alarm module.
Such as Fig. 2, finite state machine is built upon the structural model that state simulation is carried out to physical prototyping on computer, is made up of input state table, output state table, transfer parameters.In the state of difference, output is determined according to input, a track connected into by different conditions is formed in space.To realize the identification to frequency converter state, state machine modeling is carried out to coal-winning machine inverter-fed traction unit by WinCC configuration softwares and related development instrument, the working condition of the unit is shown with this；PLC (SIMATIC S7-300) obtains the inner parameter of coal-winning machine inverter-fed traction unit and data is uploaded into host computer by communication module in real time.Upper software is analyzed treatment according to parameter, determines the state shown by state machine model.
The upper strata of monitoring system uses the host computer with PC as platform, with WinCC project managers as higher management to be managed collectively the parameter setting and data configuration of whole engineering project, and SIMArllC is passed through between WinCC stations and SIMATIC S7-300 controller
S7Protocol Suite passages are communicated using the ICP/IP protocol of EPA with the PLC of lower floor.Its detailed process is：System control configuration software is connected to lower floor's PLC by ICP/IP protocol, SIMArTIC S7 Protocol Suite passages are set up after completing communication card hardware driving, and the Profibus parameters of PLC and WinCC are started setting up, the latter two of completion can be communicated with by communications module.The physical parameter of the frequency converter that PLC is monitored can be obtained so as to upper system, the functions such as data display, storage, drawing, analysis and inquiry are carried out by Microsoft SQL Sever databases, it is possible to the real-time control of the states such as artificial startup, stopping, frequency conversion to coal cutter frequency converter is realized by the man-machine interface of PC.In lower floor's control process of monitoring system, ACS800 frequency converters using ABB Drive agreements connect RPBA-0l communication adapters, then with Profibus-DP be communication protocol and airborne PLC SIMArllC
S7-300 are connected, the state parameter of sensing is sent to PLC by the sensor such as the airborne temperature of coal-winning machine, pressure, speed by Profibus buses in the form of digital quantity simultaneously, and SIMATIC S7-300 are physically realizing the dynamic parameter of reading frequency converter in real time and control frequency converter State Transferring as master station accordingly.The realization of Profibus-DP monitoring functions depends on PPO (Parameter Process
Obiect) message.PPO messages are by parameter channel（PKW）And process channel（PDZ）Composition.Parameter channel is used for reading and setting the parameter of frequency converter operation, including 4 words, the task requests code of preceding 2 Ge Zishi main websites and the task respective code of slave station, and 2 words are the specific parameter values for needing and reading and writing afterwards.Process channel is used for that frequency converter is monitored and controlled, and is responsible for control information, status information, setup parameter and the actual parameter of transmission frequency converter.Priority is higher than PKW.In request message of the main website to slave station frequency converter, the 1st word of PZD is control word (CW), and the 2nd word is setting value (REF)；In response message of the slave station to main website.1st word of PZD is status word (SW), and the 2nd word is actual value (ACT), the i.e. the currently active data of frequency converter.
Such as Fig. 3, under the parametric control pattern of Profibus fieldbus, controller is communicated monitoring system by PPO messages with frequency converter, so as to functionally realize the dynamic parameter for reading frequency converter in real time and control frequency converter State Transferring.
The fault diagnosis of monitoring system should not be only differentiation and the positioning of the source of trouble of failure, should also include identification, fault alarm and the urgent defencive function of abnormal operation, therefore also need individually to develop fault diagnosis alarm module.The basic design method of the module is that Mishap Database is set up in host computer, the parameter of inverter-fed traction unit is read by Profibus fieldbus in real time and personal data storehouse is write, it is analyzed to judge its working condition according to pattern-recognition control algolithm, automatic request for data library inquiry when a failure occurs, obtain out of order type and position the source of trouble, turn in a report and solution.Can realize that the failure occurred to coal-winning machine inverter-fed traction unit carries out timely, accurate diagnosis and treatment by the module, ensure the normal work of the unit.
Claims (7)
1. a kind of coal-winning machine inverter-fed traction unit computer monitoring system, it is characterized in that：The working environment of the coal-winning machine inverter-fed traction unit is complicated severe, the temperature of various degrees, vibration, electromagnetism are equal to and disturb, therefore using the existing PROFIBUS fieldbus for having high-transmission efficiency again compared with high noise immunity as the communication media of system, to improve the stability and operability of system.
2. a kind of coal-winning machine inverter-fed traction unit computer monitoring system according to claim 1, it is characterized in that：The coal-winning machine inverter-fed traction unit need bi-motor synchronize traction and also the load of the two is as far as possible equal, 2 traction electric machine co-ordinations are controlled from the ABBACS800 frequency-variable controllers with master/slave control function.
3. a kind of coal-winning machine inverter-fed traction unit computer monitoring system according to claim 1, it is characterized in that：The control system uses modularization man-machine interface PLC SIMArTIC S7-300 and is equipped with corresponding upper software carries out indirect control to coal-winning machine, enters row data communication using EPA therebetween.
4. a kind of coal-winning machine inverter-fed traction unit computer monitoring system according to claim 1, it is characterized in that：To realize the identification to frequency converter state, state machine modeling is carried out to coal-winning machine inverter-fed traction unit by WinCC configuration softwares and related development instrument, the working condition of the unit is shown with this；PLC (SIMATIC S7-300) obtains the inner parameter of coal-winning machine inverter-fed traction unit and data is uploaded into host computer by communication module in real time.
5. a kind of coal-winning machine inverter-fed traction unit computer monitoring system according to claim 1, it is characterized in that：The upper strata of the monitoring system uses the host computer with PC as platform, with WinCC project managers as higher management to be managed collectively the parameter setting and data configuration of whole engineering project, is communicated with the PLC of lower floor using the ICP/IP protocol of EPA by SIMArllC S7Protocol Suite passages between WinCC stations and SIMATIC S7-300 controller.
6. a kind of coal-winning machine inverter-fed traction unit computer monitoring system according to claim 1, it is characterized in that：Under the parametric control pattern of Profibus fieldbus, controller is communicated the monitoring system by PPO messages with frequency converter, so as to functionally realize the dynamic parameter for reading frequency converter in real time and control frequency converter State Transferring.
7. a kind of coal-winning machine inverter-fed traction unit computer monitoring system according to claim 1, it is characterized in that：The fault diagnosis of the monitoring system should not be only differentiation and the positioning of the source of trouble of failure, should also include identification, fault alarm and the urgent defencive function of abnormal operation, therefore also need individually to develop fault diagnosis alarm module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510774810.7A CN106707948A (en) | 2015-11-14 | 2015-11-14 | Shearer frequency-converted haulage unit computer monitoring system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510774810.7A CN106707948A (en) | 2015-11-14 | 2015-11-14 | Shearer frequency-converted haulage unit computer monitoring system |
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| CN201510774810.7A Pending CN106707948A (en) | 2015-11-14 | 2015-11-14 | Shearer frequency-converted haulage unit computer monitoring system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107272600A (en) * | 2017-07-10 | 2017-10-20 | 武汉钢铁有限公司 | A kind of converter parameter method to set up and device |
| CN107861378A (en) * | 2017-11-17 | 2018-03-30 | 青岛杰瑞工控技术有限公司 | A kind of building method of the multiserver Intelligent remote monitoring system based on WINCC platforms |
| CN117691751A (en) * | 2024-02-01 | 2024-03-12 | 太重煤机有限公司 | Automatic configuration device and method for parameters of frequency converter of coal mining machine |
-
2015
- 2015-11-14 CN CN201510774810.7A patent/CN106707948A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107272600A (en) * | 2017-07-10 | 2017-10-20 | 武汉钢铁有限公司 | A kind of converter parameter method to set up and device |
| CN107272600B (en) * | 2017-07-10 | 2020-01-07 | 武汉钢铁有限公司 | Method and device for setting parameters of frequency converter |
| CN107861378A (en) * | 2017-11-17 | 2018-03-30 | 青岛杰瑞工控技术有限公司 | A kind of building method of the multiserver Intelligent remote monitoring system based on WINCC platforms |
| CN117691751A (en) * | 2024-02-01 | 2024-03-12 | 太重煤机有限公司 | Automatic configuration device and method for parameters of frequency converter of coal mining machine |
| CN117691751B (en) * | 2024-02-01 | 2024-05-14 | 太重煤机有限公司 | Automatic configuration device and method for parameters of frequency converter of coal mining machine |
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Application publication date: 20170524 |