CN113485289A - Simulation test device and test method for electrical control panel of coal mining machine - Google Patents
Simulation test device and test method for electrical control panel of coal mining machine Download PDFInfo
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- CN113485289A CN113485289A CN202110721371.9A CN202110721371A CN113485289A CN 113485289 A CN113485289 A CN 113485289A CN 202110721371 A CN202110721371 A CN 202110721371A CN 113485289 A CN113485289 A CN 113485289A
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- 239000003245 coal Substances 0.000 title claims abstract description 73
- 238000005065 mining Methods 0.000 title claims abstract description 71
- 238000012360 testing method Methods 0.000 title claims abstract description 59
- 238000004088 simulation Methods 0.000 title claims abstract description 43
- 238000010998 test method Methods 0.000 title claims abstract description 12
- 238000004891 communication Methods 0.000 claims abstract description 17
- 238000000034 method Methods 0.000 claims description 8
- 230000005611 electricity Effects 0.000 claims description 6
- 230000008571 general function Effects 0.000 claims description 3
- 238000013021 overheating Methods 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims 1
- 230000006870 function Effects 0.000 description 5
- 238000009434 installation Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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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
- G05B23/00—Testing or monitoring of control systems or parts thereof
- G05B23/02—Electric testing or monitoring
- G05B23/0205—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults
- G05B23/0208—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterized by the configuration of the monitoring system
- G05B23/0213—Modular or universal configuration of the monitoring system, e.g. monitoring system having modules that may be combined to build monitoring program; monitoring system that can be applied to legacy systems; adaptable monitoring system; using different communication protocols
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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
- G05B2219/20—Pc systems
- G05B2219/24—Pc safety
- G05B2219/24065—Real time diagnostics
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- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
A simulation test device for an electrical control panel of a coal mining machine aims at detecting the electrical function of each button of the control panel of the coal mining machine; the device comprises a simulation test cabinet, a touch screen, a simulation potentiometer, a programmable logic controller, an analog quantity module and a printer; the model of the programmable controller is SIEMENSsmart200, the analog quantity module adopts Siemens EMAE08, and the model of the analog potentiometer is LA42 dwq-22; the analog potentiometer is connected with the analog quantity module through a communication cable, the analog quantity module is connected with an input port of the programmable controller through the communication cable, and the touch screen and the printer are connected with an output port of the programmable controller through the communication cable; the touch screen, the analog potentiometer and the printer are arranged on the simulation test cabinet, and the programmable controller and the analog quantity module are arranged in the simulation test cabinet; the simulation test method of the invention uses the device to test the constant power signal of the control panel motor, or test the temperature protection signal of the control panel.
Description
Technical Field
The invention relates to a coal cutter control panel testing device and a corresponding testing method.
Background
With the continuous progress of the level of high-end intelligent mining equipment, the intelligent level of a coal mining machine is higher and higher as important underground equipment of a large coal mine fully mechanized mining face, a plurality of intelligent control functions are added, a plurality of buttons are arranged on a coal mining machine control panel, such as a pulling, stopping, power pulling, leftward, rightward, leftward lifting, leftward lowering, rightward lifting, rightward lowering, accelerating, decelerating and the like, any button has a problem operation problem, which means that a problem may occur in an internal electric control system, the whole coal mining machine fails, the machine must be stopped for repair, and once the fully mechanized mining face stops production, the economic loss is serious. At present, the buttons of the electrical control panel of the complete machine of the coal mining machine are detected by performing ground complete machine tests after the complete machine is installed and electrified, the control panel is considered to have complete functions after the tests are completed, because the installed power of the coal mining machine is increased year by year, an electrical control box also presents huge volume, the electrical control box is very labourious to be assembled and disassembled manually, once the electrical control panel has faults after the complete machine is installed, the whole electrical control box needs to be disassembled and opened, the faults can be eliminated, a large amount of manpower and material resources are consumed, the repair factory time of the coal mining machine is prolonged, and the rework phenomenon is serious. The laboratory simulation link of the coal mining machine control panel still is a blank in the design of the coal mining machine electrical control panel at present.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a coal cutter control panel test cabinet and a corresponding test method, which can effectively detect the electrical function of each button of a coal cutter control panel, retain test data and print a test report by observing the change of a screen of a coal cutter.
The invention relates to a simulation test device for an electric control panel of a coal mining machine, which comprises a simulation test cabinet, a touch screen, a simulation potentiometer, a programmable logic controller, an analog quantity module and a printer; the model of the programmable controller is SIEMENSsmart200, the analog quantity module adopts Siemens EMAE08, and the model of the analog potentiometer is LA42 dwq-22; the analog potentiometer is connected with the analog quantity module through a communication cable, the analog quantity module is connected with an input port of the programmable controller through the communication cable, and the touch screen and the printer are connected with an output port of the programmable controller through the communication cable. The touch screen, the analog potentiometer and the printer are arranged on the simulation test cabinet, and the programmable controller and the analog quantity module are arranged in the simulation test cabinet. The simulation test cabinet is connected with 220V alternating voltage to supply power for the programmable controller, the analog quantity module, the touch screen and the printer. The model of the touch screen is NS8-TV00B-ECV2, and the model of the printer is Canon G1810.
The simulation test method of the coal mining machine electric control panel by utilizing the simulation test device of the coal mining machine electric control panel of the invention comprises the following steps:
firstly, carrying out the test of the universal buttons for pulling, pulling and stopping the control panel of the coal mining machine, pulling electricity, leftwards, rightwards, leftwards lifting, leftwards descending, rightwards lifting and rightwards descending, and the specific method is that the preset control button on the touch screen is pressed, a signal is sent into the programmable controller, the signal is output and accessed into a tested coal mining machine system, the self-contained display screen 8 on the tested coal mining machine is observed, the corresponding operation information is displayed by the self-contained display screen 8, the 'pulling electricity' button is pressed, the 'pulling electricity' is displayed on the self-contained display screen 8, and the 'pulling' button is pressed, and the 'pulling' is displayed on the self-contained display screen 8.
Secondly, testing a constant power signal of a control panel motor, and the specific method is that a 4-20mA standard current signal output by an analog quantity module of a programmable controller is used for simulating a cutting motor current change signal under a real working condition, and the signal is sent into a coal mining machine to be tested to simulate the conditions of overload, underload and overload of the motor under the actual working condition; in the test process, if the current signal of the cutting motor is moderate, the normal work of the coal mining machine is displayed; when the current signal of the cutting motor is lower, the underload of the coal mining machine is displayed; and when the current signal of the cutting motor is higher, the overload of the coal mining machine is displayed.
Thirdly, testing a control panel temperature protection signal, adjusting a simulation potentiometer to generate a resistance simulation quantity signal, when the temperature of the simulation motor reaches 135 ℃, the resistance value of PT100 is 151.71 ohms, sending the signal into a coal mining machine, displaying that the motor is overheated, and displaying an alarm signal on a screen of the coal mining machine; when the temperature of the motor is 155 ℃, the resistance value of PT100 is 159.19 omega, and the overheating power failure is displayed.
General function test programs such as coal mining machine pulling, stopping, power pulling, left, right, left lifting, left descending, right lifting, right descending and the like need to be pre-installed in the programmable controller, configuration communication is carried out through a communication cable and a touch screen, test results are displayed on the screen, and the test results can also be directly printed on paper through a printer. And McgsPro Shenzhen Queenluntong configuration software is installed in the touch screen system, and a software interface of an electrical control panel of the coal mining machine is pre-installed.
According to the invention, the real working condition change of the underground coal mining machine is simulated by adjusting the analog potentiometer and the corresponding control button on the touch screen, the signal is sent into the programmable controller through the communication cable for analysis and judgment, and then the change signal is displayed through the self-contained screen of the coal mining machine, so that whether the self-contained screen of the coal mining machine is in good function can be detected on the premise of no installation, the purpose of simulation test is realized, the problems can be well solved, the electric function test before the control panel leaves the factory can be found as soon as possible, the rework after installation is avoided, the time is saved, and the efficiency is improved.
Drawings
FIG. 1 is a schematic view of a simulation test cabinet for an electrical control panel of a coal mining machine according to the present invention;
FIG. 2 is a system block diagram of a simulation test method for an electrical control panel of a coal mining machine according to the present invention;
in the figure: 1. the simulation test cabinet comprises a simulation test cabinet body, 2, a touch screen, 3, a simulation potentiometer, 4, a programmable controller, 5, an analog quantity module, 6, a communication cable, 7, a printer, 8 and a self-contained screen of a tested coal mining machine.
Detailed Description
220V alternating voltage is connected into the simulation test cabinet body 1 to supply power for the programmable controller, the analog quantity module, the touch screen and the printer. The model of the programmable controller 4 is smart200, test programs with general functions of coal mining machine pulling, pulling stopping, power pulling, left lifting, right lifting and the like are pre-installed in the programmable controller 4, configuration communication is carried out between the programmable controller 4 and the touch screen 2 through the communication cable 6, test results are displayed on the touch screen 2 and can also be directly printed on paper through the printer 7, and the model of the printer 7 is Canon G1810. The model 2 of the touch screen is NS8-TV00B-ECV2, McgsPro Shenzhen Kunlun Tongtai configuration software is installed in the system, and a designed software interface of an electric control panel of the coal mining machine is preassembled.
The simulation test method mainly comprises three steps: one is the universal button test. And secondly, testing a constant power signal of the motor. And thirdly, testing a temperature protection signal.
Firstly, a coal mining machine control panel is used for testing a traction button, a power traction button, a left button, a right button, a left lifting button, a left descending button, a right lifting button and a right descending button, the method is that a control button preset on a touch screen 2 is pressed, corresponding signals are sent into a programmable controller 4, the output is connected into a tested coal mining machine system, a screen 8 of the tested coal mining machine is observed, operation information is displayed on the screen 8 of the tested coal mining machine, the power traction button is pressed, the power traction is displayed on the screen 8 of the tested coal mining machine, and the traction button is pressed, so that the traction is displayed on the screen 8 of the coal mining machine.
Secondly, testing a constant power signal of the panel motor by using a 4-20mA standard current signal output by an analog quantity module 5 of the programmable controller 4 to simulate a cutting motor current change signal under a real working condition, and sending the signal into a coal mining machine to simulate the conditions of overload, underload, overload and the like of the motor under the actual working condition. In the test process, if the current signal of the cutting motor is moderate, the normal work of the coal mining machine is displayed; when the current signal of the cutting motor is lower, the underload of the coal mining machine is displayed; and when the current signal of the cutting motor is higher, the overload of the coal mining machine is displayed.
Thirdly, controlling a panel temperature protection signal test, adjusting the analog potentiometer 3 to generate a resistance analog quantity signal, when the temperature of the analog motor reaches 135 ℃, the resistance value of PT100 is 151.71 omega, and sending the signal into the coal mining machine, the motor is displayed to be overheated, and an alarm signal appears on a screen of the coal mining machine; when the temperature of the motor is 155 ℃, the resistance value of PT100 is 159.19 omega, and the overheating power failure is displayed.
Claims (8)
1. A simulation test device for an electrical control panel of a coal mining machine is characterized by comprising a simulation test cabinet, a touch screen, a simulation potentiometer, a programmable logic controller, an analog quantity module and a printer; the model of the programmable controller is SIEMENSsmart200, the analog quantity module adopts Siemens EMAE08, and the model of the analog potentiometer is LA42 dwq-22; the analog potentiometer is connected with the analog quantity module through a communication cable, the analog quantity module is connected with an input port of the programmable controller through the communication cable, and the touch screen and the printer are connected with an output port of the programmable controller through the communication cable; the touch screen, the analog potentiometer and the printer are arranged on the simulation test cabinet, and the programmable controller and the analog quantity module are arranged in the simulation test cabinet.
2. The simulation test device for the electrical control panel of the coal mining machine as claimed in claim 1, wherein the model of the touch screen is NS8-TV00B-ECV2, and the model of the printer is Canon G1810.
3. The simulation test method for the electrical control panel of the coal mining machine by using the test device as claimed in claim 1 is characterized in that the test of the universal buttons for pulling up, pulling down, pulling electricity, lifting left, right, lifting left, lifting right and lifting right of the control panel of the coal mining machine is carried out, the specific method is that the control button preset on the touch screen is pressed, signals are sent into the programmable controller, the signals are output and connected into the system of the coal mining machine to be tested, the display screen 8 arranged on the coal mining machine to be tested is observed, the corresponding operation information is displayed on the display screen 8 arranged on the coal mining machine, the 'pulling electricity' button is pressed, the 'pulling electricity' is displayed on the display screen 8 arranged on the coal mining machine, and the 'pulling' is displayed on the display screen 8 arranged on the coal mining machine when the 'pulling' button is pressed.
4. The simulation test method for the electric control panel of the coal mining machine by utilizing the test device as claimed in claim 1 is characterized in that a constant power signal of the control panel motor is tested, and the specific method is that a 4-20mA standard current signal output by an analog quantity module of a programmable controller is used for simulating a cutting motor current change signal under a real working condition and sending the signal into the coal mining machine to be tested, so that the conditions of overload, underload and overload of the motor under the actual working condition are simulated; in the test process, if the current signal of the cutting motor is moderate, the normal work of the coal mining machine is displayed; when the current signal of the cutting motor is lower, the underload of the coal mining machine is displayed; and when the current signal of the cutting motor is higher, the overload of the coal mining machine is displayed.
5. The simulation test method for the electric control panel of the coal mining machine by using the test device as claimed in claim 1, is characterized in that a control panel temperature protection signal test is carried out, a simulation potentiometer is adjusted to generate a resistance simulation quantity signal, when the temperature of a simulation motor reaches 135 ℃, the resistance value of PT100 is 151.71 Ω, the signal is sent into the coal mining machine, the motor is displayed to be overheated, and an alarm signal appears on a screen of the coal mining machine; when the temperature of the motor is 155 ℃, the resistance value of PT100 is 159.19 omega, and the overheating power failure is displayed.
6. The simulation test method for the electrical control panel of the coal mining machine by using the test device according to claim 1, wherein general function test programs such as coal mining machine pulling, pulling and stopping, power pulling, left, right, left lifting, right lifting and the like are required to be pre-installed in the programmable controller, configuration communication is performed through a communication cable and a touch screen, and test results are displayed on the screen or directly printed on paper through a printer.
7. The simulation test method for the coal mining machine electrical control panel by using the test device as claimed in claim 1, wherein McgsPro Shenzhen Kunlun Tongtai configuration software is installed in a touch screen system, and a software interface of the coal mining machine electrical control panel is pre-installed.
8. The simulation test device for the electrical control panel of the coal mining machine as claimed in claim 1 or 2, wherein the detection control device is connected with 220V alternating voltage to supply power for the programmable controller, the analog quantity module, the touch screen and the printer.
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| CN202110721371.9A CN113485289A (en) | 2021-06-28 | 2021-06-28 | Simulation test device and test method for electrical control panel of coal mining machine |
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| CN202110721371.9A CN113485289A (en) | 2021-06-28 | 2021-06-28 | Simulation test device and test method for electrical control panel of coal mining machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114371674A (en) * | 2021-12-30 | 2022-04-19 | 中国矿业大学 | Method and device for sending analog data frame, storage medium and electronic device |
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