CN110850225A - Detection test bed and detection method for electric module of roller coal mining machine - Google Patents
Detection test bed and detection method for electric module of roller coal mining machine Download PDFInfo
- Publication number
- CN110850225A CN110850225A CN201911286901.0A CN201911286901A CN110850225A CN 110850225 A CN110850225 A CN 110850225A CN 201911286901 A CN201911286901 A CN 201911286901A CN 110850225 A CN110850225 A CN 110850225A
- Authority
- CN
- China
- Prior art keywords
- module
- motor
- detection
- mining machine
- coal mining
- 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.)
- Pending
Links
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
A detection test bed for an electrical module of a roller coal cutter comprises a main control box and an electrical detection module; the main control box comprises an indicator light, a display screen, a button switch, a signal generator, an analog potentiometer, an EPU module detection interface, a motor controller module detection interface and a leakage detection module interface; the electric detection module comprises an EPU module, a motor protector module, a leakage detection module, a communication cable, a coupling module, a signal converter module and a main controller IPC module; the EPU module comprises a motor protector module, a current transformer and a vacuum contactor; the signal generator is connected to the coal mining machine module to be tested through a wire, and the signal converter module and the coupling module are sequentially connected to the coal mining machine module to be tested; the signal converter module is respectively connected with the EPU module, the motor protector module and the electric leakage detection module and then connected with the main controller IPC module; the detection method is to detect whether each electric module of the coal mining machine is normal or not respectively, so as to improve the fault handling capability.
Description
Technical Field
The invention relates to a detection test bed and a detection method for an electrical module of a roller coal cutter.
Background
With the continuous improvement of the conditions of the mine production equipment, the requirement on the reliability of large fully mechanized mining electrical equipment is increased, and the fault detection technology of the drum shearer becomes more and more important. The method has the advantages that normal operation of the drum shearer on the fully mechanized coal mining face is guaranteed, production efficiency is improved, production delay of the shearer due to faults of the electric control part is avoided, fault detection on the electric control part is increased, and especially, the detection is respectively carried out before integral assembly, so that the method is very urgent. The electric module of the roller coal cutter mainly comprises an isolating switch module, a vacuum contactor module, a current transformer module, a power supply module, a main control module STS, an analog quantity module HMA, a high-voltage leakage module HLP, a remote control module RF, a gas module WSY, a high-voltage relay box, a display and the like; in the past, the coal mining machine is subjected to power-on test after being integrally assembled, when faults occur, parts need to be checked one by one, one problem is solved, and a large amount of manpower and material resources are consumed in the maintenance and overhaul process; in the running process of the equipment, a host is easy to be not started, the traction direction and speed cannot be changed, the rocker arm cannot be lifted, the end station of the remote controller fails and other faults occur. Therefore, it is necessary to design a fast testing platform with complete functions, and the platform is also an important component for realizing automation, intelligence and humanization of the drum shearer.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a detection test bed and a detection method for an electrical module of a roller coal cutter; the operation condition of each module of the drum shearer can be detected, problems can be found in time before assembly, fault types and reasons can be judged quickly, and the fault handling capacity of the drum shearer under a coal mine is improved.
In order to achieve the purpose, the following technical scheme is adopted:
the invention discloses an electrical module detection test bed of a roller coal cutter, which comprises a main control box and an electrical detection module; the main control box comprises an indicator light, a display screen, a button switch, a signal generator, a detection interface and an analog potentiometer; the electric detection module comprises an EPU module, a motor protector module, a leakage detection module, a 485 communication cable, a coupling module, a signal converter module and a main controller IPC module; the EPU module comprises a current transformer and a vacuum contactor; wherein the motor protector module is Delwey CDS 9-A-B-C; the signal generator adopts SIN-C702, the analog potentiometer adopts 3590 series, the coupling module adopts 6ES7158-3AD01-0XA0, the signal converter module adopts AD9959BCPZ, the main controller IPC module is Siemens S7-200smart, the motor controller module is 3UF7010-1AU00-0, and the electric leakage detection module is TX-LDBS 3-V02; the signal generator and the analog potentiometer are connected to the module to be detected of the coal mining machine through leads, and the signal converter module and the coupling module are sequentially connected to the module to be detected of the coal mining machine; the signal converter module is respectively connected with the EPU module, the motor protector module and the electric leakage detection module, and the three modules are connected to the main controller IPC module through 485 communication cables; button switch, display screen and pilot lamp all are connected to on the master controller IPC.
The current transformer is Delwey BH-LMK-0.66, and the vacuum contactor is CKJ 5-400-1140. The type of the indicator lamp is ND16-22D, the type of the display screen is NS8-TV00B-ECV2, and the type of the button switch is LAY 7.
The method for detecting each electrical module of the drum shearer by using the electrical module detection test bed of the drum shearer comprises the following steps:
the detection method of the EPU modules of the left cutting part and the right cutting part of the shearer comprises the following steps:
the module to be detected of the coal mining machine is connected to a detection interface on a test bed, a 220V power supply is connected, a signal generator is adjusted, a 4-20mA standard current signal is generated and transmitted into the module to be detected of the coal mining machine through a communication cable, and an output signal is transmitted to a main controller IPC module to simulate the conditions of overload, underload, overload and the like of a motor in actual working conditions. The detection principle is that under the normal condition, when the output signal is 10mA, the cutting part motor is indicated to run at the rated power, and the display screen can display that the coal mining machine is normal; when the output current is less than 9.01mA, the cutting part motor is indicated to run below the rated power, and the display screen can display the underload of the coal mining machine; when the output current is more than 10.18mA and less than 11.18mA, the motor of the cutting part operates higher than the rated power, and the display screen can display that the coal mining machine is overloaded; when the output current is larger than 11.18mA, the cutting part motor is indicated to run in an overload state, and the display screen can display the heavy-load running of the coal mining machine;
adjusting the analog potentiometer to generate a resistance analog quantity signal, wherein when the temperature of the analog motor reaches 135 ℃, the resistance value of PT100 is 151.71 omega, and the display screen can display the motor overheating alarm; when the temperature of the motor is 155 ℃, the resistance value of the PT100 is 159.19 omega, and the display screen can display the overheating fault of the motor.
And if the test display screen can normally display, judging that the EPU module normally works.
Secondly, a detection method of the left pump motor controller module and the right pump motor controller module of the drum shearer comprises the following steps:
connecting a module to be detected of the coal mining machine to a detection interface on a test bed; the 220V power supply is switched on, the button switch 4 is pressed to generate a switching value signal, the signal is transmitted to the main controller IPC module, the signal generator is adjusted to generate a 4-20mA standard current signal, and the signal is used for the motor protector module to detect and simulate the conditions of phase loss, three-phase unevenness, short circuit and overload of the motor in actual working conditions. The detection principle is as follows: when the difference between the three-phase current values output by the module to be detected of the coal mining machine exceeds 10%, the three-phase current imbalance or open-phase fault of the motor of the cutting part is indicated, and the motor protector outputs a stopping action. All show normally as above-mentioned test display screen, then judge that motor protector module normal work.
Thirdly, a detection method of the grounding leakage locking module of the drum shearer comprises the following steps:
the module to be detected of the coal mining machine is connected into a detection interface of a test bed, a 220V power supply is connected, under the normal condition, a simulation potentiometer is adjusted, so that the output resistance is between 0 and 80K omega, the grounding leakage fault of a motor cable in the actual working condition is simulated, and the state of the module is observed through a display screen. When the output resistance signal of the module to be detected of the coal mining machine is greater than 40 kilohms, the module does not act; when the output resistance signal is less than 40K omega, the module acts to start the leakage blocking protection. If the above actions can be displayed normally, the leakage locking module is judged to be normal in function.
The invention is suitable for detecting the electrical modules of the drum shearer in the coal mine, can detect the operation condition of each module, detects the modules one by one, can find and solve problems in time before assembly, can quickly detect and judge the fault type and fault reason of the electrical modules of the drum shearer, can detect the EPU modules of the left cutting part and the right cutting part of the drum shearer, the motor controller modules of the left pump and the right pump, and the grounding leakage locking module, and effectively improves the fault handling capacity of the drum shearer for the coal mine underground engineering technical personnel.
Drawings
FIG. 1 is a schematic external view of an electrical module testing stand of a drum shearer of the present invention;
FIG. 2 is a block diagram of the electrical module connections of the shearer of the drum of the present invention;
in the figure: 1. the intelligent monitoring system comprises a main control cabinet body, 2 indicator lamps, 3 display screens, 4 button switches, 5 signal generators, 6 detection interfaces, 7 EPU modules, 8 motor protector modules, 9 electric leakage detection modules, 10 coal mining machines to-be-detected modules, 11.485 communication cables, 12 coupling modules, 13 signal converter modules, 14 main controller IPC modules and 15 analog potentiometers.
Detailed Description
The invention discloses an electrical module detection test bed of a roller coal cutter, which comprises a main control box and an electrical detection module; the main control box comprises an indicator lamp 2, a display screen 3, a button switch 4, a signal generator 5, an analog potentiometer 15 and a detection interface 6; the detection interface 6 comprises an EPU module detection interface, a motor controller module detection interface and a leakage detection module interface; all the parts are arranged on the main control cabinet body 1. The electric detection module comprises an EPU module 7, a motor protector module 8, a leakage detection module 9, a 485 communication cable 11, a coupling module 12, a signal converter module 13 and a main controller IPC module 14; the EPU module 7 comprises a current transformer and a vacuum contactor; the motor protector module 8 adopts Deleishi CDS 9-A-B-C; the signal generator 5 adopts SIN-C702, the analog potentiometer 15 adopts 3590 series, the coupling module 12 adopts 6ES7158-3AD01-0XA0, the signal converter module 13 adopts AD9959BCPZ, the master controller IPC module 14 is Siemens S7-200smart, the motor controller module is 3UF7010-1AU00-0, and the electric leakage detection module 9 is TX-LDBS 3-V02; the signal generator 5 is connected to the module to be detected of the coal mining machine 10 through a lead, and the signal converter module 13 and the coupling module 12 are sequentially connected to the module to be detected of the coal mining machine 10; the signal converter module 13 is respectively connected with the EPU module 7, the motor protector module 8 and the electric leakage detection module 9, and the three modules 7, 8 and 9 are connected to the main controller IPC module 14 through 485 communication cables; the button switch 4, the display screen 3 and the indicator lamp 2 are all connected to the main controller IPC module 14. The current transformer is Delwey BH-LMK-0.66, and the vacuum contactor is CKJ 5-400-1140. The model of the indicator lamp 2 is ND16-22D, the model of the display screen 3 is NS8-TV00B-ECV2, and the model of the button switch 4 is LAY 7.
The method for detecting each electrical module of the drum shearer by using the electrical module detection test bed of the drum shearer comprises the following steps:
the detection method of the EPU modules of the left cutting part and the right cutting part of the shearer comprises the following steps:
connecting the EPU modules of the left cutting part and the right cutting part of the coal mining machine into a detection interface 6 on a test bed, switching on a 220V power supply, adjusting a signal generator 5, generating a 4-20mA standard current signal, transmitting the signal into a module to be detected 10 of the coal mining machine through a communication cable, outputting a signal by the module to be detected 10, and sending the signal to a main controller IPC module 14 to simulate the conditions of overload, underload and overload of a motor in actual working conditions.
Adjusting the analog potentiometer 15 to generate a resistance analog quantity signal, wherein when the temperature of the analog motor reaches 135 ℃, the resistance value of PT100 is 151.71 omega, and the display screen 3 can display the motor overheating alarm; when the temperature of the motor is 155 ℃, the resistance value of the PT100 is 159.19 omega, and the display screen 3 can display the overheating fault of the motor.
If the test actions can be displayed normally, the EPU module is judged to work normally.
Secondly, a detection method of the left pump motor controller module and the right pump motor controller module of the drum shearer comprises the following steps:
connecting a module 10 to be detected of a coal mining machine into a detection interface 6 on a test bed; A220V power supply is switched on, a button switch 4 is pressed to generate a switching value signal, the signal is transmitted to a main controller IPC module 14, a signal generator 5 is adjusted to generate a 4-20mA standard current signal, and the signal is detected by a motor protector module 8 to simulate the conditions of motor phase loss, three-phase unevenness, short circuit and overload in actual working conditions. When the difference between the output three-phase current values exceeds 10%, the three-phase current of the motor of the cutting part is unbalanced or the phase failure is indicated, and the motor protector outputs a shutdown action.
If the test action can be displayed normally, the motor protector module 8 is judged to work normally.
Thirdly, a detection method of the grounding leakage locking module of the drum shearer comprises the following steps:
the module 10 to be detected of the coal mining machine is connected into the detection interface 6 of the test bed, a 220V power supply is connected, the simulation potentiometer 15 is adjusted under the normal condition, the output resistance is enabled to be between 0 and 80K omega, the grounding leakage fault of a motor cable in the actual working condition is simulated, and the state of the module is observed through the display screen. When the output resistance signal is larger than 40K omega, the module does not act; when the output resistance signal is less than 40K omega, the module acts to start the leakage blocking protection.
If the above actions can be displayed normally, the leakage locking module is judged to be normal in function.
Claims (7)
1. A detection test bed for an electrical module of a roller coal cutter is characterized by comprising a main control box and an electrical detection module; the main control box comprises an indicator light, a display screen, a button switch, a signal generator, an analog potentiometer, an EPU module detection interface, a motor controller module detection interface and a leakage detection module interface; the electric detection module comprises an EPU module, a motor protector module, a leakage detection module, a 485 communication cable, a coupling module, a signal converter module and a main controller IPC module; the EPU module comprises a current transformer and a vacuum contactor; the signal generator is connected to the coal mining machine module to be tested through a wire, and the signal converter module and the coupling module are sequentially connected to the coal mining machine module to be tested; the signal converter module is respectively connected with the EPU module, the motor protector module and the electric leakage detection module, and the three modules are connected to the main controller IPC module through 485 communication cables; button switch, display screen and pilot lamp all are connected to on the master controller IPC.
2. The detection test bed for the electrical module of the drum shearer as claimed in claim 1, wherein the electrical protector module is CDS 9-a-B-C; the signal generator adopts SIN-C702, the analog potentiometer adopts 3590 series, the coupling module adopts 6ES7158-3AD01-0XA0, the signal converter module adopts AD9959BCPZ, the main controller IPC module is Siemens S7-200smart, the motor controller module is 3UF7010-1AU00-0, and the electric leakage detection module is TX-LDBS 3-V02.
3. The detection test bed for the electric module of the drum shearer as claimed in claim 1 or 2, wherein the model of the indicating lamp is ND16-22D, the model of the display screen is NS8-TV00B-ECV2, the model of the button switch is LAY7, the model of the current transformer is Delwey BH-LMK-0.66, and the model of the vacuum contactor is CKJ 5-400-.
4. The method for detecting the EPU modules of the left cutting part and the right cutting part of the roller coal mining machine by adopting the electrical module detection test bed of the roller coal mining machine as claimed in claim 1 is characterized in that the EPU modules of the left cutting part and the right cutting part of the roller coal mining machine are connected to a detection interface on the test bed, a power supply is switched on, a signal generator is adjusted to generate a 4-20mA standard current signal, the signal is transmitted into a coal mining machine module through a communication cable, and an output signal is transmitted into a main controller IPC module to simulate the conditions of overload, underload and overload of a motor in actual working; when the output signal is 10mA, the cutting part motor is indicated to run at rated power, and the display screen can display that the coal mining machine is normal; when the output current is less than 9.01mA, the cutting part motor is indicated to run below the rated power, and the display screen can display the underload of the coal mining machine; when the output current is more than 10.18mA and less than 11.18mA, the motor of the cutting part operates higher than the rated power, and the display screen can display that the coal mining machine is overloaded; when the output current is larger than 11.18mA, the cutting part motor is indicated to run in an overload state, and the display screen can display the heavy-load running of the coal mining machine.
5. The method for detecting the EPU modules of the left cutting part and the right cutting part of the roller coal cutter by adopting the electric module detection test bed of the roller coal cutter as claimed in claim 1 or 4 is characterized in that an analog potentiometer is adjusted to generate a resistance analog quantity signal, when the temperature of the analog motor reaches 135 ℃, the resistance value of PT100 is 151.71 ohms, and a display screen can display an overheating alarm of the motor; when the temperature of the motor is 155 ℃, the resistance value of the PT100 is 159.19 omega, and the display screen can display the overheating fault of the motor.
6. The method for detecting the left and right pump motor controller modules of the roller coal mining machine by adopting the electrical module detection test bed of the roller coal mining machine as claimed in claim 1 is characterized in that the left and right pump motor controller modules of the coal mining machine are connected to a detection interface on the test bed, a power supply is switched on, a button switch is pressed to generate a switching value signal, the signal is transmitted to an IPC module of a main controller, a signal generator is adjusted to generate a 4-20mA standard current signal, and the signal is used for detecting by a motor protector module to simulate the conditions of motor phase loss, three-phase unevenness, short circuit and overload in actual working conditions; when the difference between the three-phase current values output by the left pump motor controller module and the right pump motor controller module of the coal mining machine exceeds 10%, the three-phase current of the motor of the cutting part is unbalanced or the phase failure is indicated, and the motor protector outputs a shutdown action; all show normally as above-mentioned test display screen, then judge that motor protector module normal work.
7. The method for detecting the electric leakage detection module of the roller coal cutter by adopting the electric module detection test bed of the roller coal cutter as claimed in claim 1 is characterized in that the electric leakage detection module of the roller coal cutter is connected to a test bed detection interface, a power supply is switched on, a simulation potentiometer is adjusted under normal conditions, so that the output resistance is between 0 and 80K omega, the ground leakage fault of a motor cable in the actual working condition is simulated, and the state of the module is observed through a display screen; when the output resistance signal of the coal mining machine measuring module is greater than 40K omega, the module does not act; when the output resistance signal is less than 40K omega, the module acts to start the leakage blocking protection; if the above actions can be displayed normally, the leakage locking module is judged to be normal in function.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911286901.0A CN110850225A (en) | 2019-12-14 | 2019-12-14 | Detection test bed and detection method for electric module of roller coal mining machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911286901.0A CN110850225A (en) | 2019-12-14 | 2019-12-14 | Detection test bed and detection method for electric module of roller coal mining machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110850225A true CN110850225A (en) | 2020-02-28 |
Family
ID=69609753
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911286901.0A Pending CN110850225A (en) | 2019-12-14 | 2019-12-14 | Detection test bed and detection method for electric module of roller coal mining machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110850225A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113253019A (en) * | 2021-04-24 | 2021-08-13 | 中国煤炭科工集团太原研究院有限公司 | Coal-winning machine electrical component test bench |
| CN113485289A (en) * | 2021-06-28 | 2021-10-08 | 华阳新材料科技集团有限公司煤机装备研究院 | Simulation test device and test method for electrical control panel of coal mining machine |
-
2019
- 2019-12-14 CN CN201911286901.0A patent/CN110850225A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113253019A (en) * | 2021-04-24 | 2021-08-13 | 中国煤炭科工集团太原研究院有限公司 | Coal-winning machine electrical component test bench |
| CN113485289A (en) * | 2021-06-28 | 2021-10-08 | 华阳新材料科技集团有限公司煤机装备研究院 | Simulation test device and test method for electrical control panel of coal mining machine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101858958A (en) | Intelligent device and method for monitoring vacuum circuit breaker on line | |
| CN110854924B (en) | One-time voltage-on synchronous phase-checking linkage switching inspection system and inspection method for electrical system | |
| CN203178410U (en) | DC insulation detecting device | |
| CN103884961A (en) | Cable fault on-line monitoring system | |
| CN110850225A (en) | Detection test bed and detection method for electric module of roller coal mining machine | |
| CN106788220B (en) | Photovoltaic group string wiring terminal | |
| CN106841883A (en) | Reactor method for monitoring operation states in high-voltage power capacitor complexes | |
| CN105743072A (en) | High-voltage electric circuit protection system for electric motor train unit | |
| CN112260213B (en) | Remote online relay protection setting value checking system and method | |
| CN103683276A (en) | An intelligent static state switch, a control system thereof, and a fault monitoring method | |
| CN106774252A (en) | The electrical energy power quality disturbance tolerance level test system and method for programmable logic controller (PLC) | |
| CN111044901A (en) | Fault early warning method and system for double-mode shield machine | |
| CN105445594B (en) | Power grid fault detection system | |
| CN211402580U (en) | Detection test bed for electric module of roller coal mining machine | |
| CN103353561B (en) | A kind of alternating-current loops of wind generation set detecting system and detection method thereof | |
| CN103278773A (en) | Multi-gear transformer type voltage drop device | |
| CN209894890U (en) | Grounding current on-line monitoring device for grounding iron core of transformer based on PLC | |
| CN206775374U (en) | Voltage-source type frequency converter detecting system | |
| CN202190057U (en) | Generator grounding protective device | |
| CN211456713U (en) | One-time pressure-on synchronous nuclear phase linkage switching and testing system for electrical system | |
| CN204166079U (en) | Secondary loop of breaker wiring testing device | |
| CN108414913B (en) | Real-time monitoring system and monitoring method for silicon controlled group | |
| CN204495930U (en) | A kind of intelligent type automatic electrical test system | |
| CN106646114A (en) | Fault diagnosis method of power distribution network | |
| CN102628915A (en) | Electrical submersible pump on-line insulation detection 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 |