CN101699034A - Online monitoring and fault-diagnosing device of main fan for mines - Google Patents
Online monitoring and fault-diagnosing device of main fan for mines Download PDFInfo
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- CN101699034A CN101699034A CN200910209727A CN200910209727A CN101699034A CN 101699034 A CN101699034 A CN 101699034A CN 200910209727 A CN200910209727 A CN 200910209727A CN 200910209727 A CN200910209727 A CN 200910209727A CN 101699034 A CN101699034 A CN 101699034A
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Abstract
The invention discloses an online monitoring and fault-diagnosing device of a main fan for mines. An air pressure signal sensor is arranged at the air opening of the main fan and is connected with PLC through a differential pressure transmitter; an air flow temperature sensor is arranged at the air opening of the main fan and is connected with the PLC through a temperature and humidity transmitter; a motor vibration sensor is arranged on a motor of the main fan and is connected with the PLC through a vibration transmitter; a temperature sensor is arranged on a winding of a motor and is connected with the PLC; a temperature sensor is arranged in a bearing of the motor and is connected with the PLC; a signal sensor is arranged in an electrical cabinet and is connected with the PLC; a voltage and current sensor is arranged on the electrical cabinet and is connected with the PLC through an electricity quantity parameter analyzer; a valve signal sensor is arranged at a valve and is connected with the PLC; the PLC is connected with a switch; the switch is connected with a displayer and a mine safety monitoring center respectively. According to the technical scheme, the drawback that the main fan for mines in the prior art uses a singlechip for control and lacks fault diagnosis is overcome and the device is suitable to be used for monitoring various main fans in mines and giving automatic alarms in case of fault.
Description
Technical field
The present invention relates to a kind of main fan for mines on-line monitoring and trouble-shooter.
Background technology
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 the signal of telecommunication, 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 operating condition 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 monitored 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 humiture transmitter, the motor oscillating sensor is installed on the motor of main fan, connect PLC through vibration transmitters, mounting temperature sensor connects PLC on the motor winding, mounting temperature sensor connects PLC on motor bearings, signal transducer is installed on electrical control cubicles is connected PLC, voltage-current sensor is installed on electrical control cubicles is connected PLC12, at air door the air door signal transducer is installed and is connected PLC through the electrical parameter instrument, PLC connects switch, and switch connects display and mining safety monitoring center respectively.
In order to realize result optimizing, improve, improve combination property of the present invention, further step is:
Described display connects Industrial Personal Computer (IPC), and Industrial Personal Computer (IPC) connects printer.
Described display interfaces is provided with on-line monitoring, real-time curve, database form, alarm settings, fault diagnosis document.
The present invention 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 humiture transmitter, the motor oscillating sensor is installed on the motor of main fan, connect PLC through vibration transmitters, mounting temperature sensor connects PLC on the motor winding, mounting temperature sensor connects PLC on motor bearings, signal transducer is installed on electrical control cubicles is connected PLC, voltage-current sensor is installed on electrical control cubicles is connected PLC12 through the electrical parameter instrument, at air door the air door signal transducer is installed and is connected PLC, PLC connects switch, switch connects display and mining safety monitoring center respectively, display connects Industrial Personal Computer (IPC), Industrial Personal Computer (IPC) 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 present invention is produced compared to existing technology:
1, on-line monitoring master interface is with the operating condition 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 monitored data to possess the form refer to of reporting to the police.
3, module carries jamproof system, guarantees that measure 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 present invention and fault.
Below in conjunction with the drawings and specific embodiments the present invention is described in further detail.
Description of drawings
Fig. 1 is that the present invention is at electrical schematic.
Fig. 2 connects network for electric elements of the present invention.
Fig. 3 is an on-line monitoring parameter of electric machine surface chart of the present invention.
Fig. 4 is an on-line monitoring fan parameter surface chart of the present invention.
Fig. 5 is on-line monitoring coil windings of the present invention and bearing temperature parameter surface chart.
Among the figure: 1, wind pressure signal sensor, 2, differential pressure transmitter, 3, the airflow temperature sensor, 4, humiture transmitter, 5, the motor oscillating sensor, 6, vibration transmitters, 7, temperature pick up, 8, signal transducer, 9, voltage-current sensor, 10, air door signal transducer, 11, the electrical parameter instrument, 12, PLC, 13, switch, 14, display, 15, Industrial Personal Computer (IPC), 16, safety monitoring center, 17, printer.
The specific 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 through differential pressure transmitter 2 and handles, be transformed into the signal of telecommunication, send PLC12 to and carry out logic control, PLC12 is sent to the interface of display 14 with the signal handled through switch 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 humiture 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, carrying out data through humiture transmitter 4 handles, be transformed into the signal of telecommunication, send PLC12 to and carry out logic control, PLC12 is sent to the data of handling the interface of display 14 through switch 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 variations in temperature in the mine, so as when the temperature marked 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, vibrating sensor 5 is gathered the vibration parameters of the vertical and horizontal direction of motors, vibration transmitters 6 carries out data to be handled, be transformed into the signal of telecommunication, send PLC12 to and carry out logic control, PLC12 is sent to the data of handling the interface of display 14 through switch 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 the motor winding, i.e. mounting temperature sensor 7 on the stator winding of motor winding, gather the temperature data of stator winding, send PLC12 to and carry out logic control and data and handle, PLC12 is sent to the interface of display 14 with the data handled through switch 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 ℃, the motor winding breaks down, and diagnoses and keeps in repair; Mounting temperature sensor 7 connects PLC12 on motor bearings, when temperature pick up 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 14 through switch 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 transducer 8 is installed on electrical control cubicles is connected PLC12, sensor 8 is gathered the temperature and humidity data of electrical control cubicles, send PLC12 to and carry out logic control and processing, PLC12 is sent to the data of handling the interface of display 14 through switch 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 humidity is higher than warning in 75% o'clock, the staff diagnoses electrical control cubicles and fault and keeps in repair, in order to avoid too high softening, the on fire or electrical control cubicles water inlet of electrical equipment Yin Wendu; Voltage-current sensor 9 is installed on electrical control cubicles 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 current, 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 14 through switch 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 transducer 10 is installed and is connected PLC12, air door signal transducer 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 14 through switch 13, display 14 can observe directly air door switch and opening angle, switch 13 connects display 14 and mining safety monitoring center 16 respectively, mining safety monitoring center 16 is personnel monitoring places, display 14 connects Industrial Personal Computer (IPC) 15, Industrial Personal Computer (IPC) 15 connects printer 17, prints various parameter forms at any time; PLC12 adopts the S7-300 of Siemens Company, and antijamming capability is strong, and the stability that control and data are handled is strong, and error is less than 1.5%; Display 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 status 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 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 administrative 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 present invention has 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 operate as normal during less than 130 ℃, when temperature reaches 130 ℃, system carries out sound and light 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 winding inter-turn, the alternate winding, short circuit phenomenon is arranged between winding and the ground 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 monophase machine 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 loose contact of motor increases the link heating and causes temperature too high.
When 7, line voltage is too high or too low, the electric current in the motor winding 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 thermal component is out of order or the ventilation stack obstruction, causes temperature too high.
10, environment 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 humiture 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 the motor winding (7) connects PLC (12), mounting temperature sensor on motor bearings (7) connects PLC (12), signal transducer (8) is installed on electrical control cubicles is connected PLC (12), voltage-current sensor (9) is installed on electrical control cubicles is connected PLC12 through electrical parameter instrument (11), at air door air door signal transducer (10) is installed and is connected PLC (12), PLC (12) connects switch (13), and switch (13) connects display (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 (14) connects Industrial Personal Computer (IPC) (15), Industrial Personal Computer (IPC) (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 14 layout setting on-line monitorings, real-time curve, database form, alarm settings, fault diagnosis document.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910209727A CN101699034A (en) | 2009-10-22 | 2009-10-22 | Online monitoring and fault-diagnosing device of main fan for mines |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910209727A CN101699034A (en) | 2009-10-22 | 2009-10-22 | Online monitoring and fault-diagnosing device of main fan for mines |
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| CN101699034A true CN101699034A (en) | 2010-04-28 |
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| CN200910209727A Pending CN101699034A (en) | 2009-10-22 | 2009-10-22 | Online monitoring and fault-diagnosing device of main fan for mines |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101922304A (en) * | 2010-05-27 | 2010-12-22 | 中煤第三建设（集团）有限责任公司三十工程处 | Safe wingspan-type monitoring and alarming system of automatic on-off ventilation wind pressure for mine |
| CN102411363A (en) * | 2011-12-26 | 2012-04-11 | 北京工业大学 | On-line monitoring system and monitoring method of running state of mine fan |
| CN102966546A (en) * | 2012-11-27 | 2013-03-13 | 济南重成自动化技术有限公司 | Roots blower controller |
| CN103207604A (en) * | 2013-03-24 | 2013-07-17 | 北京工业大学 | Online monitoring and fault diagnosis system of operating state of embedded ventilator |
| CN103697715A (en) * | 2013-12-10 | 2014-04-02 | 沈阳工大电器设备有限公司 | Kiln temperature and pressure grouping routing inspection method |
| CN104018884A (en) * | 2014-06-13 | 2014-09-03 | 武汉理工大学 | Intelligent sensing and remote and unified regulating system for deep-mining mine ventilation |
| CN104503412A (en) * | 2014-12-26 | 2015-04-08 | 曲阜师范大学 | Coal preparation technique optimal control system and coal preparation technique optimal control method |
| CN105137233A (en) * | 2015-08-26 | 2015-12-09 | 西安科技大学 | Mine main fan safety hazard monitoring and early warning system and method |
| CN105275488A (en) * | 2015-10-30 | 2016-01-27 | 滨州学院 | Mine auxiliary ventilation control system and mine auxiliary ventilation method |
| CN109269059A (en) * | 2018-10-31 | 2019-01-25 | 中国建筑科学研究院有限公司 | Exhaust duct detector and testing method |
| CN109505794A (en) * | 2018-11-26 | 2019-03-22 | 中国科学院长春光学精密机械与物理研究所 | A kind of fan trouble anticipation system and method |
| CN110318809A (en) * | 2019-07-03 | 2019-10-11 | 济南嘉宏科技有限责任公司 | A kind of mining intelligent coal-mining simulation system |
| CN112065755A (en) * | 2019-06-11 | 2020-12-11 | 北京航天奥祥通风科技股份有限公司 | A kind of ventilator |
| CN113775553A (en) * | 2021-10-25 | 2021-12-10 | 陕西交通控股集团有限公司 | Axial flow fan fault test system |
-
2009
- 2009-10-22 CN CN200910209727A patent/CN101699034A/en active Pending
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101922304B (en) * | 2010-05-27 | 2012-02-29 | 中煤第三建设（集团）有限责任公司三十工程处 | Safe wingspan-type monitoring and alarming system of automatic on-off ventilation wind pressure for mine |
| CN101922304A (en) * | 2010-05-27 | 2010-12-22 | 中煤第三建设（集团）有限责任公司三十工程处 | Safe wingspan-type monitoring and alarming system of automatic on-off ventilation wind pressure for mine |
| CN102411363A (en) * | 2011-12-26 | 2012-04-11 | 北京工业大学 | On-line monitoring system and monitoring method of running state of mine fan |
| CN102966546A (en) * | 2012-11-27 | 2013-03-13 | 济南重成自动化技术有限公司 | Roots blower controller |
| CN103207604A (en) * | 2013-03-24 | 2013-07-17 | 北京工业大学 | Online monitoring and fault diagnosis system of operating state of embedded ventilator |
| CN103697715A (en) * | 2013-12-10 | 2014-04-02 | 沈阳工大电器设备有限公司 | Kiln temperature and pressure grouping routing inspection method |
| CN104018884B (en) * | 2014-06-13 | 2017-02-01 | 武汉理工大学 | Intelligent sensing and remote and unified regulating system for deep-mining mine ventilation |
| CN104018884A (en) * | 2014-06-13 | 2014-09-03 | 武汉理工大学 | Intelligent sensing and remote and unified regulating system for deep-mining mine ventilation |
| CN104503412A (en) * | 2014-12-26 | 2015-04-08 | 曲阜师范大学 | Coal preparation technique optimal control system and coal preparation technique optimal control method |
| CN105137233A (en) * | 2015-08-26 | 2015-12-09 | 西安科技大学 | Mine main fan safety hazard monitoring and early warning system and method |
| CN105275488A (en) * | 2015-10-30 | 2016-01-27 | 滨州学院 | Mine auxiliary ventilation control system and mine auxiliary ventilation method |
| CN109269059A (en) * | 2018-10-31 | 2019-01-25 | 中国建筑科学研究院有限公司 | Exhaust duct detector and testing method |
| CN109505794A (en) * | 2018-11-26 | 2019-03-22 | 中国科学院长春光学精密机械与物理研究所 | A kind of fan trouble anticipation system and method |
| CN109505794B (en) * | 2018-11-26 | 2020-04-10 | 中国科学院长春光学精密机械与物理研究所 | Fan fault pre-judging system and method |
| CN112065755A (en) * | 2019-06-11 | 2020-12-11 | 北京航天奥祥通风科技股份有限公司 | A kind of ventilator |
| CN110318809A (en) * | 2019-07-03 | 2019-10-11 | 济南嘉宏科技有限责任公司 | A kind of mining intelligent coal-mining simulation system |
| CN113775553A (en) * | 2021-10-25 | 2021-12-10 | 陕西交通控股集团有限公司 | Axial flow fan fault test system |
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Application publication date: 20100428 |