CN201517493U - On-line monitoring and fault diagnosis device for mining main ventilator - Google Patents
On-line monitoring and fault diagnosis device for mining main ventilator Download PDFInfo
- Publication number
- CN201517493U CN201517493U CN2009202688720U CN200920268872U CN201517493U CN 201517493 U CN201517493 U CN 201517493U CN 2009202688720 U CN2009202688720 U CN 2009202688720U CN 200920268872 U CN200920268872 U CN 200920268872U CN 201517493 U CN201517493 U CN 201517493U
- Authority
- CN
- China
- Prior art keywords
- plc
- sensor
- line monitoring
- main fan
- motor
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Control Of Positive-Displacement Air Blowers (AREA)
Abstract
An on-line monitoring and fault diagnosis device for a mining main ventilator is formed as follows: a wind pressure signal sensor is mounted at the air port of the main ventilator and is connected with a PLC via a differential pressure transmitter, an air flow temperature sensor is mounted at the air port of the main ventilator and is connected with the PLC via a humiture transducer, a motor vibration sensor is mounted on a motor of the main ventilator and is connected with the PLC via a vibration transducer, a temperature sensor is mounted on a motor winding and is connected with the PLC, a temperature sensor is mounted on a motor bearing and is connected with the PLC, a signal sensor is mounted on an electric cabinet and is connected with the PLC, a voltage and current sensor is mounted on the electric cabinet and is connected with the PLC via an electrical quantity parameter instrument, an air door signal sensor is mounted on an air door and is connected with the PLC, the PLC is connected with an exchanger, and the exchanger is respectively connected with a display and a scheme of a mine safety monitoring center. The on-line monitoring and fault diagnosis device overcomes the defects in the prior art that singlechips are used for controlling the mining main ventilators for trouble free diagnosis, thereby being suitable for monitoring and automatic alarm upon faults of various main ventilators in various mines.
Description
Technical field
The utility model relates to a kind of main fan for mines on-line monitoring and trouble-shooter.
Background technique
Main fan is the key equipment of Coal Production, and the normal operation of unit directly has influence on the safety in production and the economic benefit in colliery, and the main fan failure accident in domestic colliery happens occasionally in recent years, some or even crushing accident.Main fan networking on-line monitoring and the fault diagnosis system that foundation meets colliery self needs is the realization coal mine production safety, equipment is stablized the important component part of long-time running, also is the needs of coal mine equipment modern management.The control of in the prior art main fan supplemental characteristic being gathered is adopted self-control electronic component plate with processing, Single-chip Controlling, Signal Processing and control are easily by external interference, antijamming capability and stability in use are poor, fault-free diagnosis and fault judgement ability adopt independently temperature change to send box mode to temperature signal, just temperature signal are become and send into electrical signal, also to carry out logic control, increase cost through other electronic component.
Summary of the invention
At above-mentioned situation, the utility model provides a kind of on-line monitoring master interface with the runnability of animation simulation main fan intuitively, with the main fan performance parameter in time variation relation dynamically be presented on the picture with curve form, show real-time Monitoring Data with the form that possesses the indication of reporting to the police, antijamming capability is strong and stability in use is good, can in time find the main fan for mines on-line monitoring and the trouble-shooter of ventilation system fault.
For achieving the above object, a kind of main fan for mines on-line monitoring and trouble-shooter, the wind pressure signal sensor is installed in air port at main fan, connect PLC through differential pressure transmitter, the airflow temperature sensor is installed in air port at main fan, connect PLC through the temperature and humidity transmitter, the motor oscillating sensor is installed on the motor of main fan, connect PLC through vibration transmitters, mounting temperature sensor connects PLC on motor windings, mounting temperature sensor connects PLC on motor bearings, signal emitter is installed on electric control cubicle is connected PLC, voltage-current sensor is installed on electric control cubicle is connected PLC12, at air door the air door signal emitter is installed and is connected PLC through the electrical parameter instrument, PLC connects switchboard, and switchboard connects display device and mining safety monitoring center respectively.
In order to realize result optimizing, improve, improve combination property of the present utility model, further step is:
Described display device connects process control machine, and process control machine connects printer.
Described display interfaces is provided with on-line monitoring, real-time curve, database form, alarm settings, fault diagnosis document.
The utility model adopts at the air port of main fan installation wind pressure signal sensor and connects PLC through differential pressure transmitter, in the air port of main fan the airflow temperature sensor is installed and is connected PLC through the temperature and humidity transmitter, the motor oscillating sensor is installed on the motor of main fan, connect PLC through vibration transmitters, mounting temperature sensor connects PLC on motor windings, mounting temperature sensor connects PLC on motor bearings, signal emitter is installed on electric control cubicle is connected PLC, voltage-current sensor is installed on electric control cubicle is connected PLC12 through the electrical parameter instrument, at air door the air door signal emitter is installed and is connected PLC, PLC connects switchboard, switchboard connects display device and mining safety monitoring center respectively, display device connects process control machine, process control machine connects the scheme of printer, overcome in the prior art main fan for mines has been used Single-chip Controlling, but the defective of fault-free diagnosis.
The beneficial effect that the utility model is produced compared to existing technology:
1, on-line monitoring master interface is with the runnability of animation simulation main fan intuitively.
2, the main fan performance parameter in time variation relation dynamically be presented on the picture with curve form, show real-time Monitoring Data to possess the form refer to of reporting to the police.
3, module carries jamproof system, guarantees that measurement error is less than 1.5%.
4, when breaking down, main fan reports to the police automatically, the prompting maintenance, and judge nature of trouble and position.
5, various parameters are presented at and concentrate monitoring on the display screen.
6, adopt PLC control, improved The comprehensive performance.
7, simple in structure, easy to use, easy to maintenance.
Automatically report to the police when the monitoring of the interior various main fans of the suitable various mines of the utility model and fault.
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.
Description of drawings
Fig. 1 is that the utility model is at electrical schematic.
Fig. 2 connects network for the utility model electrical apparatus element.
Fig. 3 is the utility model on-line monitoring parameter of electric machine surface chart.
Fig. 4 is the utility model on-line monitoring fan parameter surface chart.
Fig. 5 is the utility model on-line monitoring coil winding and bearing temperature parameter surface chart.
Among the figure: 1, wind pressure signal sensor, 2, differential pressure transmitter, 3, the airflow temperature sensor, 4, temperature and humidity transmitter, 5, the motor oscillating sensor, 6, vibration transmitters, 7, temperature transducer, 8, signal emitter, 9, voltage-current sensor, 10, air door signal emitter, 11, the electrical parameter instrument, 12, PLC, 13, switchboard, 14, display device, 15, process control machine, 16, safety monitoring center, 17, printer.
Embodiment
By accompanying drawing Fig. 1, Fig. 2, Fig. 3, Fig. 4, shown in Figure 5, a kind of main fan for mines on-line monitoring and trouble-shooter, wind pressure signal sensor 1 is installed in the air port that is included in main fan, connect PLC12 through differential pressure transmitter 2, the distinguished and admirable pressure when pressure when 1 measurement of wind pressure signal sensor and collection blower fan are static and fan operation carries out data processing through differential pressure transmitter 2, be transformed into electrical signal, send PLC12 to and carry out logic control, PLC12 is sent to the interface of display device 14 with the signal handled through switchboard 13, and distinguished and admirable static pressure is set to 160-1280Pa, distinguished and admirable total head is set to 360-1500Pa, when distinguished and admirable pressure is excessive or too small, carry out appraising and deciding of high-low limit value automatically by on-line monitoring, generate form and warning automatically and check fan trouble; Airflow temperature sensor 3 is installed in air port at main fan, connect PLC12 through temperature and humidity transmitter 4, the draught temperature of the main fan that airflow temperature sensor 3 is measured and gathered is down-hole effluent air temp data, carry out data processing through temperature and humidity transmitter 4, be transformed into electrical signal, send PLC12 to and carry out logic control, PLC12 is sent to the data of handling the interface of display device 14 through switchboard 13, when the down-hole effluent air temp surpasses 50 ℃ or when being lower than-20 ℃, on-line monitoring carries out appraising and deciding of high-low limit value automatically, automatically generate form and warning, at any time grasp the temperature variation in the mine, so as when the temperature notable change to main fan fault diagnosis and maintenance; Motor oscillating sensor 5 is installed on the motor of main fan, connect PLC12 through vibration transmitters 6, vibration transducer 5 is gathered the vibration parameters of the vertical and substantially horizontal of motors, vibration transmitters 6 carries out data processing, be transformed into electrical signal, send PLC12 to and carry out logic control, PLC12 is sent to the data of handling the interface of display device 14 through switchboard 13, on-line monitoring carries out appraising and deciding of high-low limit value automatically, automatically generate form, and to the high vibration warning, so that to motor oscillating diagnosing malfunction and maintenance; Mounting temperature sensor 7 connects PLC12 on motor windings, i.e. mounting temperature sensor 7 on the staor winding of motor windings, gather the temperature data of staor winding, send PLC12 to and carry out logic control and data processing, PLC12 is sent to the interface of display device 14 with the data handled through switchboard 13, and on-line monitoring carries out appraising and deciding of high-low limit value automatically, automatically generate form, report to the police when temperature is higher than 130 ℃, motor windings breaks down, and diagnoses and keeps in repair; Mounting temperature sensor 7 connects PLC12 on motor bearings, when temperature transducer 7 is gathered bearing movables temperature data, send PLC12 to and carry out logic control and data processing, PLC12 is sent to the data of handling the interface of display device 14 through switchboard 13, on-line monitoring carries out appraising and deciding of high-low limit value automatically, automatically generate form, when temperature is higher than 130 ℃, report to the police, motor bearings diagnosing malfunction and maintenance; Signal emitter 8 is installed on electric control cubicle is connected PLC12, sensor 8 is gathered the temperature and humidity data of electric control cubicle, send PLC12 to and carry out logic control and processing, PLC12 is sent to the data of handling the interface of display device 14 through switchboard 13, on-line monitoring carries out appraising and deciding of high-low limit value automatically, automatically generate form, when being higher than 100 ℃, temperature reports to the police, relative moisture is higher than warning in 75% o'clock, the staff diagnoses electric control cubicle and fault and keeps in repair, in order to avoid too high softening, the on fire or electric control cubicle water inlet of electrical equipment Yin Wendu; Voltage-current sensor 9 is installed on electric control cubicle is connected PLC12 through electrical parameter instrument 11, voltage-current sensor 9 connects main fan, main fan voltage is measured and handled to electrical parameter instrument 11, electric current, power, electrical parameters such as power factor, the three-phase voltage that shows main fan, three phase circuit, line voltage, the line current data, send PLC12 to and carry out logic control, PLC12 is sent to the data of gathering the interface of display device 14 through switchboard 13, on-line monitoring carries out appraising and deciding of high-low limit value automatically, automatically generate form, power supply short circuit or open circuit or report to the police during fault is diagnosed and is keeped in repair fault; At air door air door signal emitter 10 is installed and is connected PLC12, air door signal emitter 10 is gathered blower fan start-stop signal, positive and negative wind signal, the door opening high low signal, send PLC12 to and carry out logic control and data processing, PLC12 is sent to the data of handling the interface of display device 14 through switchboard 13, display device 14 can observe directly air door switch and opening angle, switchboard 13 connects display device 14 and mining safety monitoring center 16 respectively, mining safety monitoring center 16 is personnel monitoring places, display device 14 connects process control machine 15, process control machine 15 connects printer 17, prints various parameter forms at any time; PLC12 adopts the S7-300 of SIEMENS, and antijamming capability is strong, and the stability of control and data processing is strong, and error is less than 1.5%; Display device 14 is at layout setting on-line monitoring, real-time curve, database form, alarm settings, five file bags of fault diagnosis; On-line monitoring promptly carries out remote transmission by Ethernet to each parameter, the variation of each parameter is monitored at safety monitoring center 16 by Ethernet, data according to each sensor acquisition, can be with animation intuitively, simulate the running state of blower fan and the open and-shut mode of air door, calculate the power and the efficient of main fan automatically; Real-time curve promptly dynamically shows above each monitoring parameter curve over time with X-Y axle figure, helps in time finding the main ventilation system failure; The database form is that display device 14 interfaces generate automatically and show the time dependent form of each parameter, mining safety monitoring center 16 with parameter over time form regularly be stored in the hard disk, so that the user carries out the printing of data sheet, offer managerial department and check and analyze relevant data; Promptly above each monitoring parameter buzzer warning when reaching the high-low limit value of alarm settings, alarm has the parts of a sensor monitors fault to occur, so that maintenance.
According to above on-line monitoring parameter, the utility model has been edited the judgement book of fault diagnosis, is stored in the hard disk, conveniently calls at any time.
One embodiment is: # main fan prime motor stator winding temperature proper functioning during less than 130 ℃, when temperature reaches 130 ℃, system carries out acoustooptic alarm, and display interface shows # blower fan prime motor stator winding temperature superelevation warning, and it is as follows to eject the fault diagnosis dialog box:
1, between motor windings turn-to-turn, the alternate winding, short circuit phenomenon is arranged between winding and the earth resistance, thereby form in the winding electric current increase and its temperature is sharply raise temperature occurs too high.
2, insulation breakdown between electric machine iron core sheet and the sheet increases the eddy current loss in the iron core, and heating unshakable in one's determination increases severely and causes temperature too high.
When 3, the three phase electric machine phase shortage is worked, make electric current increase in other two phase windings, cause winding temperature too high, when single phase motor starts the winding broken string, can make the main winding temperature too high equally.
4, motor long-time running under overload situations can cause that also winding current is excessive, makes the heating in winding increase cause temperature too high.
5, motor frequent starting too because the electric current when starting is a running current more than 2 times, causes that heating in winding increases, and causes temperature too high.
6, the electric bad connection of motor increases the connected element heating and causes temperature too high.
When 7, line voltage is too high or too low, the electric current in the motor windings is increased, cause heating to cause temperature too high.
8, when the damage of bearings of rotary part or oil starvation, the rotatable parts friction is increased or bump causes temperature too high.
9, the machine heat-dissipating part is out of order or the ventilation flue obstruction, causes temperature too high.
10, ambient temperature is too high during machine operation.
Claims (3)
1. main fan for mines on-line monitoring and trouble-shooter, it is characterized in that it is included in the air port installation wind pressure signal sensor (1) of main fan, connect PLC (12) through differential pressure transmitter (2), airflow temperature sensor (3) is installed in air port at main fan, connect PLC (12) through temperature and humidity transmitter (4), motor oscillating sensor (5) is installed on the motor of main fan, connect PLC (12) through vibration transmitters (6), mounting temperature sensor on motor windings (7) connects PLC (12), mounting temperature sensor on motor bearings (7) connects PLC (12), signal emitter (8) is installed on electric control cubicle is connected PLC (12), voltage-current sensor (9) is installed on electric control cubicle is connected PLC12 through electrical parameter instrument (11), at air door air door signal emitter (10) is installed and is connected PLC (12), PLC (12) connects switchboard (13), and switchboard (13) connects display device (14) and mining safety monitoring center (16) respectively.
2. according to described a kind of main fan for mines on-line monitoring of claim 1 and trouble-shooter, it is characterized in that described display device (14) connects process control machine (15), process control machine (15) connects printer (17).
3. according to described a kind of main fan for mines on-line monitoring of claim 1 and trouble-shooter, it is characterized in that described display device (14) layout setting on-line monitoring, real-time curve, database form, alarm settings, fault diagnosis document.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202688720U CN201517493U (en) | 2009-10-22 | 2009-10-22 | On-line monitoring and fault diagnosis device for mining main ventilator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202688720U CN201517493U (en) | 2009-10-22 | 2009-10-22 | On-line monitoring and fault diagnosis device for mining main ventilator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201517493U true CN201517493U (en) | 2010-06-30 |
Family
ID=42498215
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202688720U Expired - Fee Related CN201517493U (en) | 2009-10-22 | 2009-10-22 | On-line monitoring and fault diagnosis device for mining main ventilator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201517493U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102454589A (en) * | 2012-01-09 | 2012-05-16 | 天津科技大学 | Frequency conversion cooling tower fan running state monitoring and fault diagnosis remote monitor system |
| CN105467320A (en) * | 2016-01-19 | 2016-04-06 | 朱存彬 | Generator excitation carbon brush on-line monitoring system and monitoring method |
| TWI586896B (en) * | 2015-12-29 | 2017-06-11 | 英業達股份有限公司 | Air-exhausting monitoring system |
| CN109469642A (en) * | 2018-12-28 | 2019-03-15 | 上海通用风机股份有限公司 | A kind of ventilation blower automatic running control integrated system |
| CN116517862A (en) * | 2023-04-27 | 2023-08-01 | 淮南矿业(集团)有限责任公司煤业分公司 | Mine ventilator abnormality diagnosis system based on STFT-CNN |
-
2009
- 2009-10-22 CN CN2009202688720U patent/CN201517493U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102454589A (en) * | 2012-01-09 | 2012-05-16 | 天津科技大学 | Frequency conversion cooling tower fan running state monitoring and fault diagnosis remote monitor system |
| TWI586896B (en) * | 2015-12-29 | 2017-06-11 | 英業達股份有限公司 | Air-exhausting monitoring system |
| CN105467320A (en) * | 2016-01-19 | 2016-04-06 | 朱存彬 | Generator excitation carbon brush on-line monitoring system and monitoring method |
| CN109469642A (en) * | 2018-12-28 | 2019-03-15 | 上海通用风机股份有限公司 | A kind of ventilation blower automatic running control integrated system |
| CN116517862A (en) * | 2023-04-27 | 2023-08-01 | 淮南矿业(集团)有限责任公司煤业分公司 | Mine ventilator abnormality diagnosis system based on STFT-CNN |
| CN116517862B (en) * | 2023-04-27 | 2024-02-27 | 淮南矿业(集团)有限责任公司煤业分公司 | Abnormality diagnosis system for mine ventilator |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101699034A (en) | Online monitoring and fault-diagnosing device of main fan for mines | |
| CN201936155U (en) | Online monitoring system for bus ventilator based on MODBUS-RTU (remote terminal unit) | |
| CN201517493U (en) | On-line monitoring and fault diagnosis device for mining main ventilator | |
| CN105137233B (en) | A kind of main fan for mines potential safety hazard monitoring and pre-warning system and method | |
| CN102979755A (en) | Embedded data acquisition system-based mechanical fault diagnosis device of mining fan | |
| CN105515183A (en) | Switch cabinet intelligent control device | |
| CN207198255U (en) | A kind of power supply changeover device batch aging test device | |
| CN206363144U (en) | A kind of coal main fan for mines monitoring system | |
| CN111665767A (en) | Building smoke prevention and exhaust monitoring system based on Internet of things | |
| CN202881665U (en) | Intelligent monitoring device for electric cabinet of embroidery machine | |
| CN104675434A (en) | Underground ventilating monitoring system | |
| CN203084495U (en) | Comprehensive control box for tunneling machines | |
| CN206057461U (en) | A kind of lightning monitoring and deterioration state monitoring system of lightning protection box | |
| CN210218191U (en) | Fan intelligence cloud monitoring device | |
| CN214960786U (en) | Thermal management system for railway locomotive transmission control cabinet | |
| CN202946424U (en) | Mine draught fan mechanical fault diagnosis device based on embedded-type data collection system | |
| CN214674782U (en) | Fault detection device for alternating-current asynchronous motor | |
| CN204631646U (en) | A kind of line protective devices with dehumidifying | |
| CN211554246U (en) | Axial fan on-line test system | |
| CN208015540U (en) | Embedded motor operation data acquisition-protector | |
| CN207967707U (en) | A kind of Novel switch cabinet integrated monitoring apparatus | |
| CN205117779U (en) | Fan operation state monitoring system | |
| CN205779608U (en) | A kind of Intelligent energy-saving control cabinet of air compressor | |
| CN205117780U (en) | Fan operation state monitoring alarm system | |
| CN111365199B (en) | Wind turbine generator system auxiliary analysis system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: PING'AN ELECTRIC CO., LTD. Free format text: FORMER NAME: XIANGTAN PINGAN ELECTRIC CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 411100 Xiangtan, Lake District, Jintang Bay, Ping An Road, No. 12 Patentee after: Ping'an Electric Co., Ltd. Address before: 411100 Xiangtan, Lake District, Jintang Bay, Ping An Road, No. 12 Patentee before: Xiangtan Pingan Electric Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100630 Termination date: 20171022 |