CN104596575A - Fan tower drum safe operation monitoring device and application method thereof - Google Patents

Fan tower drum safe operation monitoring device and application method thereof Download PDF

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Publication number
CN104596575A
CN104596575A CN201410819114.9A CN201410819114A CN104596575A CN 104596575 A CN104596575 A CN 104596575A CN 201410819114 A CN201410819114 A CN 201410819114A CN 104596575 A CN104596575 A CN 104596575A
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data
vibration
signal
threshold value
strain
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CN201410819114.9A
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Chinese (zh)
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CN104596575B (en
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郑湘涛
王勇
杨虎
郑云
陈军彦
刘春雨
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新疆新能钢结构有限责任公司
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Abstract

The invention relates to the technical field of tower drum state monitoring devices and provides a fan tower drum safe operation monitoring device and an application method thereof. The fan tower drum safe operation monitoring device comprises a tower drum body, an acoustic detection column, a vibration monitoring column, a strain sensor, a temperature sensor, a data conversion module and a data processor; the tower drum body comprises at least two tower drum sections orderly distributed from top to bottom, and any two adjacent tower drum sections are fixedly mounted together by use of a flange plate; inner holes penetrating up and down are formed in each tower drum section and all the inner holes are communicated to form a drift-diameter hole. The application method comprises the first step of electrically connecting the data processor with the server of a monitoring center by use of a data wire. The fan tower drum safe operation monitoring device is capable of monitoring the tower drum body in the use process in real time, finding or preventing possible bolt breakage or deformation without delay, effectively avoiding instability or collapse of an upright and reducing the economic loss risk for a proprietor.

Description

Blower fan tower barrel safe operation monitoring device and using method thereof

Technical field

the present invention relates to tower cylinder state monitoring apparatus technical field, is a kind of blower fan tower barrel safe operation monitoring device and using method thereof.

Background technology

wind-power electricity generation is located at by blower rack on the pylon of tens meters high, and pylon is often arranged on abundant remote outside of the city of wind resource, and its running environment is severe, is difficult to conventional tour means monitoring.Wind power tower drum belongs to self-supporting tall and slender structure, wind load normally causes the principal element of structure lateral shift and vibration, by the known tower cylinder of analysis except the gravity of self, the Action of Gravity Field that also will be subject to wind wheel and cabin and the wind load acted on tower body, also will be subject to acting on the aerodynamic loading on tower cylinder top, deflection force, gyro power and gyro moment etc. by wind wheel in addition.Current blower fan pylon often substantially gives free rein to after Installation and trial run, and do not set up any monitoring equipment, cannot realize effectively monitoring to the operation of pylon thus, there is potential threat to the operation of blower fan in this, can collapse accident be caused time serious, cause very large economic loss to owner.

Summary of the invention

the invention provides a kind of blower fan tower barrel safe operation monitoring device and using method thereof, overcome the deficiency of above-mentioned prior art, it effectively can solve existing blower fan pylon and give free rein to after Installation and trial run, exist cannot effectively monitor, serious time can cause the problem of collapse accident.

one of technical scheme of the present invention is realized by following measures: a kind of blower fan tower barrel safe operation monitoring device, comprises tower cylinder body, sonic detection row, vibration monitoring row, strain transducer, temperature sensor, data conversion module and data processor; Tower cylinder body comprises at least two sections of tower cylinder sections distributed successively from top to bottom, and any two adjacent tower cylinder Duan Jun are fixedly installed togather by ring flange; Every section of tower cylinder Duan Jun has the endoporus of up/down perforation and all endoporus all communicate and form passing hole; At least three strain transducers are all uniformly distributed with along the circumference inside the passing hole of corresponding each ring flange position; Two row sonic detection row and two row vibration monitorings row are circumferentially fixed with respectively inside passing hole; One row sound wave monitoring row comprise at least three sonic sensors spaced apart, and another row sound wave monitoring row comprise at least one sonic sensor; One row vibration monitoring row comprise at least three vibration monitoring sensors spaced apart, and another row vibration monitoring row comprise at least one vibration monitoring sensor; Upper and lower inside passing hole is all installed with temperature sensor; The output terminal of each sonic sensor, vibration monitoring sensor and strain transducer is all electrically connected with a data conversion module, the output terminal of each data conversion module and the output terminal of each temperature sensor are all electrically connected with each corresponding ports of data processor, data processor are fixed with the communication interface that can exchange data.

here is the further optimization and/or improvements to one of foregoing invention technical scheme:

four strain transducers all can be uniformly distributed with along the circumference inside the passing hole of each ring flange position of above-mentioned correspondence.

above-mentioned data conversion module can comprise signal conditioning circuit and analog to digital conversion circuit, the output terminal of signal conditioning circuit and the input end of analog to digital conversion circuit are electrically connected, each output terminal of sonic sensor, vibration monitoring sensor and strain transducer is electrically connected with the input end of each corresponding signal conditioning circuit respectively, and output terminal and the data processor of analog to digital conversion circuit are electrically connected.

above-mentionedly also can comprise warning device, input end and the data processor of warning device are electrically connected

two of technical scheme of the present invention is realized by following measures: a kind of using method of blower fan tower barrel safe operation monitoring device, comprise the steps, the first step, the server of data processor by data line and monitoring center is electrically connected, and after connecting the power supply of sonic sensor, vibration monitoring sensor, strain transducer, temperature sensor, data conversion module and data processor, it completes initialization and self-inspection all voluntarily;

second step, sonic sensor, vibration monitoring sensor, strain transducer and temperature sensor start data acquisition; The data of data processor reading temperature sensor detection simultaneously, and whether its data are judged in the normal range preset, when its detection data are not in normal range, then re-start the reading that temperature sensor detects data, when it detects the judgement of data not in normal range more than three times, then send early warning signal by data processor to monitoring center, wait for manual reversion; When its detection data are in normal range, then enter next step;

the data of sonic sensor, vibration monitoring sensor and strain transducer collection are separately converted to acoustic signals, vibration signal and strain signal by data conversion module by the 3rd step; The detection data of temperature sensor that simultaneously data processor receives according to it carry out the threshold determination sequence of sonic sensor, vibration monitoring sensor and strain transducer; Threshold determination sequence is specially: the temperature range that the detection data of temperature sensor and the threshold value prestored within it are chosen in data compares by data processor, then draw under the temperature value of correspondence, the reasonable threshold value of sonic sensor, vibration monitoring sensor and strain transducer, then enters next step;

4th step, the reasonable threshold value of the vibration signal that data processor is received and strain signal and the vibroacoustic monitoring sensor drawn through threshold determination sequence and strain transducer compares respectively, when vibration signal and strain signal are all in its reasonable threshold value, then return second step; When vibration signal or/and when strain signal is not in its reasonable threshold value, then sends early warning signal to monitoring center, and enter next step;

5th step, by data processor according to the vibration signal not in reasonable threshold value or/and strain signal calculates corresponding vibration fault locating area respectively or/and strain failure locating area, the acoustic signals simultaneously received by data processor compares with the reasonable threshold value of the sonic sensor drawn through threshold determination sequence;

when acoustic signals is not in its reasonable threshold value, then calculate corresponding sound wave localization of fault region by data processor according to its detection signal, and combine vibration fault locating area or/and strain failure locating area gets its common factor as localization of fault result, then store related data, return second step simultaneously;

if acoustic signals is in its reasonable threshold value, and vibration signal also in its reasonable threshold value time, then strain failure locating area is as localization of fault result, then stores related data, returns second step simultaneously;

if acoustic signals is in its reasonable threshold value, and strain signal also in its reasonable threshold value time, then vibration fault locating area is as localization of fault result, then stores related data, returns second step simultaneously;

if acoustic signals is in its reasonable threshold value, and vibration signal and strain signal all not in its reasonable threshold value time, the common factor then getting vibration fault locating area and strain failure locating area, as localization of fault result, then stores related data, returns second step simultaneously.

three of technical scheme of the present invention is realized by following measures: a kind of using method of blower fan tower barrel safe operation monitoring device, comprises the steps:

the first step, the server of data processor by data line and monitoring center is electrically connected, and after connecting the power supply of sonic sensor, vibration monitoring sensor, strain transducer, temperature sensor, signal conditioning circuit, analog to digital conversion circuit and data processor, it completes initialization and self-inspection all voluntarily;

second step, sonic sensor, vibration monitoring sensor, strain transducer and temperature sensor start data acquisition; The data of data processor reading temperature sensor detection simultaneously, and whether its data are judged in the normal range preset, when its detection data are not in normal range, then re-start the reading that temperature sensor detects data, when it detects the judgement of data not in normal range more than three times, then send early warning signal by data processor to monitoring center, wait for manual reversion; When its detection data are in normal range, then enter next step;

the data of sonic sensor, vibration monitoring sensor and strain transducer collection are separately converted to acoustic signals, vibration signal and strain signal by signal conditioning circuit and analog to digital conversion circuit by the 3rd step; The detection data of temperature sensor that simultaneously data processor receives according to it carry out the threshold determination sequence of sonic sensor, vibration monitoring sensor and strain transducer; Threshold determination sequence is specially: the temperature range that the detection data of temperature sensor and the threshold value prestored within it are chosen in data compares by data processor, then draw under the temperature value of correspondence, the reasonable threshold value of sonic sensor, vibration monitoring sensor and strain transducer, then enters next step;

4th step, the reasonable threshold value of the vibration signal that data processor is received and strain signal and the vibroacoustic monitoring sensor drawn through threshold determination sequence and strain transducer compares respectively, when vibration signal and strain signal are all in its reasonable threshold value, then return second step; When vibration signal or/and when strain signal is not in its reasonable threshold value, then sends early warning signal to monitoring center, and enter next step;

5th step, by data processor according to the vibration signal not in reasonable threshold value or/and strain signal calculates corresponding vibration fault locating area respectively or/and strain failure locating area, the acoustic signals simultaneously received by data processor compares with the reasonable threshold value of the sonic sensor drawn through threshold determination sequence;

when acoustic signals is not in its reasonable threshold value, then calculate corresponding sound wave localization of fault region by data processor according to its detection signal, and combine vibration fault locating area or/and strain failure locating area gets its common factor as localization of fault result, then store related data, return second step simultaneously;

if acoustic signals is in its reasonable threshold value, and vibration signal also in its reasonable threshold value time, then strain failure locating area is as localization of fault result, then stores related data, returns second step simultaneously;

if acoustic signals is in its reasonable threshold value, and strain signal also in its reasonable threshold value time, then vibration fault locating area is as localization of fault result, then stores related data, returns second step simultaneously;

if acoustic signals is in its reasonable threshold value, and vibration signal and strain signal all not in its reasonable threshold value time, the common factor then getting vibration fault locating area and strain failure locating area, as localization of fault result, then stores related data, returns second step simultaneously.

four of technical scheme of the present invention is realized by following measures: a kind of using method of blower fan tower barrel safe operation monitoring device comprises the steps:

the first step, the server of data processor by data line and monitoring center is electrically connected, and after connecting the power supply of sonic sensor, vibration monitoring sensor, strain transducer, temperature sensor, signal conditioning circuit and analog to digital conversion circuit and data processor, it completes initialization and self-inspection all voluntarily;

second step, sonic sensor, vibration monitoring sensor, strain transducer and temperature sensor start data acquisition; The data of data processor reading temperature sensor detection simultaneously, and whether its data are judged in the normal range preset, when its detection data are not in normal range, then re-start the reading that temperature sensor detects data, when it detects the judgement of data not in normal range more than three times, then send early warning signal by data processor to monitoring center and warning device, wait for manual reversion; When its detection data are in normal range, then enter next step;

the data of sonic sensor, vibration monitoring sensor and strain transducer collection are separately converted to acoustic signals, vibration signal and strain signal by signal conditioning circuit and analog to digital conversion circuit by the 3rd step; The detection data of temperature sensor that simultaneously data processor receives according to it carry out the threshold determination sequence of sonic sensor, vibration monitoring sensor and strain transducer; Threshold determination sequence is specially: the temperature range that the detection data of temperature sensor and the threshold value prestored within it are chosen in data compares by data processor, then draw under the temperature value of correspondence, the reasonable threshold value of sonic sensor, vibration monitoring sensor and strain transducer, then enters next step;

4th step, the reasonable threshold value of the vibration signal that data processor is received and strain signal and the vibroacoustic monitoring sensor drawn through threshold determination sequence and strain transducer compares respectively, when vibration signal and strain signal are all in its reasonable threshold value, then return second step; When vibration signal or/and when strain signal is not in its reasonable threshold value, then sends early warning signal to monitoring center and warning device, and enter next step;

5th step, by data processor according to the vibration signal not in reasonable threshold value or/and strain signal calculates corresponding vibration fault locating area respectively or/and strain failure locating area, the acoustic signals simultaneously received by data processor compares with the reasonable threshold value of the sonic sensor drawn through threshold determination sequence;

when acoustic signals is not in its reasonable threshold value, then calculate corresponding sound wave localization of fault region by data processor according to its detection signal, and combine vibration fault locating area or/and strain failure locating area gets its common factor as localization of fault result, then store related data, return second step simultaneously;

if acoustic signals is in its reasonable threshold value, and vibration signal also in its reasonable threshold value time, then strain failure locating area is as localization of fault result, then stores related data, returns second step simultaneously;

if acoustic signals is in its reasonable threshold value, and strain signal also in its reasonable threshold value time, then vibration fault locating area is as localization of fault result, then stores related data, returns second step simultaneously;

if acoustic signals is in its reasonable threshold value, and vibration signal and strain signal all not in its reasonable threshold value time, the common factor then getting vibration fault locating area and strain failure locating area, as localization of fault result, then stores related data, returns second step simultaneously.

reasonable and compact in structure of the present invention, easy to use, it is by the combination of sonic sensor, vibration monitoring sensor, strain transducer, temperature sensor and data processor, and exchanged by the data-signal that data line is set up between monitoring center and data processor, make monitoring center can carry out Actual Simulation according to the data obtained, and carry out corresponding data analysis, the corresponding situation of tower cylinder body can be judged, realize the Real-Time Monitoring to tower cylinder body and fault pre-alarming; Thus realize Real-Time Monitoring to the use procedure of tower cylinder body, Timeliness coverage or prevent its situation such as the bolt fracture that may occur or deformation, effectively avoid the generation of the unstable or collapse accident of column, for owner reduces the risk of economic loss.

Accompanying drawing explanation

accompanying drawing 1 is that the master of the embodiment of the present invention one looks sectional structure schematic diagram.

accompanying drawing 2 is the circuit block diagram of the embodiment of the present invention one.

accompanying drawing 3 is the process flow diagram of the embodiment of the present invention three.

coding in accompanying drawing is respectively: 1 is strain transducer, and 2 is temperature sensor, and 3 is analog to digital conversion circuit, and 4 is data processor, 5 is tower cylinder section, and 6 is ring flange, and 7 is passing hole, and 8 is sonic sensor, 9 is vibration monitoring sensor, and 10 is warning device, and 11 is signal conditioning circuit.

Embodiment

the present invention by the restriction of following embodiment, can not determine concrete embodiment according to technical scheme of the present invention and actual conditions.

in the present invention, for convenience of description, the description of the relative position relation of each parts is all be described according to the Butut mode of Figure of description 1, as: the position relationship of forward and backward, upper and lower, left and right etc. determines according to the Butut direction of Figure of description 1.

below in conjunction with embodiment and accompanying drawing, the invention will be further described:

embodiment one: as shown in accompanying drawing 1,2, this blower fan tower barrel safe operation monitoring device comprises tower cylinder body, sonic detection row, vibration monitoring row, strain transducer 1, temperature sensor 2, data conversion module and data processor 4; Tower cylinder body comprises at least two sections of tower cylinder sections 5 distributed successively from top to bottom, and any two adjacent tower cylinder sections 5 are all fixedly installed togather by ring flange 6; Every section of tower cylinder section 5 all has the endoporus of up/down perforation and all endoporus all communicate and form passing hole 7; At least three strain transducers 1 are all uniformly distributed with along the circumference inside the passing hole 7 of corresponding each ring flange 6 position; Two row sonic detection row and two row vibration monitorings row are circumferentially fixed with respectively inside passing hole 7; One row sound wave monitoring row comprise at least three sonic sensors 8 spaced apart, and another row sound wave monitoring row comprise at least one sonic sensor 8; One row vibration monitoring row comprise at least three vibration monitoring sensors 9 spaced apart, and another row vibration monitoring row comprise at least one vibration monitoring sensor 9; Upper and lower inside passing hole 7 is all installed with temperature sensor 2; The output terminal of each sonic sensor 8, vibration monitoring sensor 9 and strain transducer 1 is all electrically connected with a data conversion module, the output terminal of each data conversion module and the output terminal of each temperature sensor 2 are all electrically connected with each corresponding ports of data processor 4, data processor 4 are fixed with the communication interface that can exchange data.According to demand, sonic sensor 8, vibration monitoring sensor 9, strain transducer 1, temperature sensor 2 and data processor 4 all can adopt existing known technology.In use, by by data line one end access communications interface, the server of other end access monitoring center, the data-signal can set up thus between monitoring center and data processor 4 exchanges, can by monitoring center data processor 4 be debugged and be set, and when sonic sensor 8, vibration monitoring sensor 9, can by data directly or be sent to data processor 4 by data conversion module after strain transducer 1 and temperature sensor 2 monitor data, then monitoring center is forwarded to after being processed by data processor 4, now, monitoring center can carry out Actual Simulation according to the data obtained, and carry out corresponding data analysis, the corresponding situation of tower cylinder body can be judged, realize the Real-Time Monitoring to tower cylinder body and fault pre-alarming, the Real-Time Monitoring to the use procedure of tower cylinder body can be realized like this, Timeliness coverage or prevent its situation such as the bolt fracture that may occur or deformation, effectively avoid the generation of the unstable or collapse accident of column, for owner reduces the risk of economic loss.

can according to actual needs, can make further optimization and/or improvements by blower fan tower barrel safe operation monitoring device above-mentioned:

as shown in accompanying drawing 1,2, inside the passing hole 7 of corresponding each ring flange 6 position, be all uniformly distributed with four strain transducers 1 along the circumference.

as shown in accompanying drawing 1,2, data conversion module comprises signal conditioning circuit 11 and analog to digital conversion circuit 3, the output terminal of signal conditioning circuit 11 and the input end of analog to digital conversion circuit 3 are electrically connected, each output terminal of sonic sensor 8, vibration monitoring sensor 9 and strain transducer 1 is electrically connected with the input end of each corresponding signal conditioning circuit 11 respectively, and output terminal and the data processor 4 of analog to digital conversion circuit 3 are electrically connected.According to demand, signal conditioning circuit 11 and analog to digital conversion circuit 3 all can adopt existing known technology; Signal conditioning circuit 11 can be used for amplification, filtering measured signal; The simulating signal of gained can be transformed to digital signal by analog to digital conversion circuit 3, sends to data processor 4.

as shown in accompanying drawing 1,2, also comprise warning device 10, input end and the data processor 4 of warning device 10 are electrically connected.In use, the zone of reasonableness of sonic sensor 8, vibration monitoring sensor 9, strain transducer 1 and temperature sensor 2 Monitoring Data can be set in data processor 4, when the data of its monitoring exceed corresponding zone of reasonableness, then send alarm signal to warning device 10.

embodiment two: a kind of using method of blower fan tower barrel safe operation monitoring device, comprise the steps: the first step, the server of data processor 4 by data line and monitoring center is electrically connected, and after connecting the power supply of sonic sensor 8, vibration monitoring sensor 9, strain transducer 1, temperature sensor 2, data conversion module and data processor 4, it completes initialization and self-inspection all voluntarily;

second step, sonic sensor 8, vibration monitoring sensor 9, strain transducer 1 and temperature sensor 2 start data acquisition; The data of data processor 4 reading temperature sensor 2 detection simultaneously, and whether its data are judged in the normal range preset, when its detection data are not in normal range, then re-start the reading that temperature sensor 2 detects data, when it detects the judgement of data not in normal range more than three times, then send early warning signal by data processor 4 to monitoring center, wait for manual reversion; When its detection data are in normal range, then enter next step;

the data that sonic sensor 8, vibration monitoring sensor 9 and strain transducer 1 gather are separately converted to acoustic signals, vibration signal and strain signal by data conversion module by the 3rd step; The detection data of temperature sensor 2 that simultaneously data processor 4 receives according to it carry out the threshold determination sequence of sonic sensor 8, vibration monitoring sensor 9 and strain transducer 1; Threshold determination sequence is specially: the temperature range that the detection data of temperature sensor 2 and the threshold value prestored within it are chosen in data compares by data processor 4, then draw under the temperature value of correspondence, the reasonable threshold value of sonic sensor 8, vibration monitoring sensor 9 and strain transducer 1, then enters next step;

4th step, the reasonable threshold value of the vibration signal that data processor 4 is received and strain signal and the vibroacoustic monitoring sensor 9 drawn through threshold determination sequence and strain transducer 1 compares respectively, when vibration signal and strain signal are all in its reasonable threshold value, then return second step; When vibration signal or/and when strain signal is not in its reasonable threshold value, then sends early warning signal to monitoring center, and enter next step;

5th step, by data processor 4 according to the vibration signal not in reasonable threshold value or/and strain signal calculates corresponding vibration fault locating area respectively or/and strain failure locating area, the acoustic signals simultaneously received by data processor 4 compares with the reasonable threshold value of the sonic sensor 8 drawn through threshold determination sequence;

when acoustic signals is not in its reasonable threshold value, then calculate corresponding sound wave localization of fault region by data processor 4 according to its detection signal, and combine vibration fault locating area or/and strain failure locating area gets its common factor as localization of fault result, then store related data, return second step simultaneously;

if acoustic signals is in its reasonable threshold value, and vibration signal also in its reasonable threshold value time, then strain failure locating area is as localization of fault result, then stores related data, returns second step simultaneously;

if acoustic signals is in its reasonable threshold value, and strain signal also in its reasonable threshold value time, then vibration fault locating area is as localization of fault result, then stores related data, returns second step simultaneously;

if acoustic signals is in its reasonable threshold value, and vibration signal and strain signal all not in its reasonable threshold value time, the common factor then getting vibration fault locating area and strain failure locating area, as localization of fault result, then stores related data, returns second step simultaneously.

embodiment three: as shown in Figure 3, a kind of using method of blower fan tower barrel safe operation monitoring device, comprises the steps:

the first step, the server of data processor 4 by data line and monitoring center is electrically connected, and after connecting the power supply of sonic sensor 8, vibration monitoring sensor 9, strain transducer 1, temperature sensor 2, signal conditioning circuit 11 and analog to digital conversion circuit 3 and data processor 4, it completes initialization and self-inspection all voluntarily;

second step, sonic sensor 8, vibration monitoring sensor 9, strain transducer 1 and temperature sensor 2 start data acquisition; The data of data processor 4 reading temperature sensor 2 detection simultaneously, and whether its data are judged in the normal range preset, when its detection data are not in normal range, then re-start the reading that temperature sensor 2 detects data, when it detects the judgement of data not in normal range more than three times, then send early warning signal by data processor 4 to monitoring center and warning device 10, wait for manual reversion; When its detection data are in normal range, then enter next step;

the data that sonic sensor 8, vibration monitoring sensor 9 and strain transducer 1 gather are separately converted to acoustic signals, vibration signal and strain signal by signal conditioning circuit 11 and analog to digital conversion circuit 3 by the 3rd step; The detection data of temperature sensor 2 that simultaneously data processor 4 receives according to it carry out the threshold determination sequence of sonic sensor 8, vibration monitoring sensor 9 and strain transducer 1; Threshold determination sequence is specially: the temperature range that the detection data of temperature sensor 2 and the threshold value prestored within it are chosen in data compares by data processor 4, then draw under the temperature value of correspondence, the reasonable threshold value of sonic sensor 8, vibration monitoring sensor 9 and strain transducer 1, then enters next step;

4th step, the reasonable threshold value of the vibration signal that data processor 4 is received and strain signal and the vibroacoustic monitoring sensor 9 drawn through threshold determination sequence and strain transducer 1 compares respectively, when vibration signal and strain signal are all in its reasonable threshold value, then return second step; When vibration signal or/and when strain signal is not in its reasonable threshold value, then send early warning signal to monitoring center and warning device 10, and enter next step;

5th step, by data processor 4 according to the vibration signal not in reasonable threshold value or/and strain signal calculates corresponding vibration fault locating area respectively or/and strain failure locating area, the acoustic signals simultaneously received by data processor 4 compares with the reasonable threshold value of the sonic sensor 8 drawn through threshold determination sequence;

when acoustic signals is not in its reasonable threshold value, then calculate corresponding sound wave localization of fault region by data processor 4 according to its detection signal, and combine vibration fault locating area or/and strain failure locating area gets its common factor as localization of fault result, then store related data, return second step simultaneously;

if acoustic signals is in its reasonable threshold value, and vibration signal also in its reasonable threshold value time, then strain failure locating area is as localization of fault result, then stores related data, returns second step simultaneously;

if acoustic signals is in its reasonable threshold value, and strain signal also in its reasonable threshold value time, then vibration fault locating area is as localization of fault result, then stores related data, returns second step simultaneously;

if acoustic signals is in its reasonable threshold value, and vibration signal and strain signal all not in its reasonable threshold value time, the common factor then getting vibration fault locating area and strain failure locating area, as localization of fault result, then stores related data, returns second step simultaneously.In use, data processor 4 is also electrically connected by the server of wireless mode and monitoring center, when it adopts wireless mode, can be electrically connected an existing known wireless signal transceiver module on data processor 4; When not installing warning device 10, only early warning signal can be sent to monitoring center.According to demand, calculating corresponding sound wave localization of fault region, vibration fault locating area and strain failure locating area by data processor 4 respectively according to the acoustic signals not in reasonable threshold value, vibration signal and strain signal is existing known technology.

above technical characteristic constitutes embodiments of the invention, and it has stronger adaptability and implementation result, can increase and decrease non-essential technical characteristic according to actual needs, meet the demand of different situations.

Claims (9)

1. a blower fan tower barrel safe operation monitoring device, is characterized in that comprising tower cylinder body, sonic detection row, vibration monitoring row, strain transducer, temperature sensor, data conversion module and data processor; Tower cylinder body comprises at least two sections of tower cylinder sections distributed successively from top to bottom, and any two adjacent tower cylinder Duan Jun are fixedly installed togather by ring flange; Every section of tower cylinder Duan Jun has the endoporus of up/down perforation and all endoporus all communicate and form passing hole; At least three strain transducers are all uniformly distributed with along the circumference inside the passing hole of corresponding each ring flange position; Two row sonic detection row and two row vibration monitorings row are circumferentially fixed with respectively inside passing hole; One row sound wave monitoring row comprise at least three sonic sensors spaced apart, and another row sound wave monitoring row comprise at least one sonic sensor; One row vibration monitoring row comprise at least three vibration monitoring sensors spaced apart, and another row vibration monitoring row comprise at least one vibration monitoring sensor; Upper and lower inside passing hole is all installed with temperature sensor; The output terminal of each sonic sensor, vibration monitoring sensor and strain transducer is all electrically connected with a data conversion module, the output terminal of each data conversion module and the output terminal of each temperature sensor are all electrically connected with each corresponding ports of data processor, data processor are fixed with the communication interface that can exchange data.
2. blower fan tower barrel safe operation monitoring device according to claim 1, is all uniformly distributed with four strain transducers along the circumference inside the passing hole that it is characterized in that corresponding each ring flange position.
3. blower fan tower barrel safe operation monitoring device according to claim 1 and 2, it is characterized in that data conversion module comprises signal conditioning circuit and analog to digital conversion circuit, the output terminal of signal conditioning circuit and the input end of analog to digital conversion circuit are electrically connected, each output terminal of sonic sensor, vibration monitoring sensor and strain transducer is electrically connected with the input end of each corresponding signal conditioning circuit respectively, and output terminal and the data processor of analog to digital conversion circuit are electrically connected.
4. blower fan tower barrel safe operation monitoring device according to claim 1 and 2, characterized by further comprising warning device, and input end and the data processor of warning device are electrically connected.
5. blower fan tower barrel safe operation monitoring device according to claim 3, characterized by further comprising warning device, and input end and the data processor of warning device are electrically connected.
6. a using method for blower fan tower barrel safe operation monitoring device according to claim 1 and 2, comprises the steps:
The first step, the server of data processor by data line and monitoring center is electrically connected, and after connecting the power supply of sonic sensor, vibration monitoring sensor, strain transducer, temperature sensor, data conversion module and data processor, it completes initialization and self-inspection all voluntarily;
Second step, sonic sensor, vibration monitoring sensor, strain transducer and temperature sensor start data acquisition; The data of data processor reading temperature sensor detection simultaneously, and whether its data are judged in the normal range preset, when its detection data are not in normal range, then re-start the reading that temperature sensor detects data, when it detects the judgement of data not in normal range more than three times, then send early warning signal by data processor to monitoring center, wait for manual reversion; When its detection data are in normal range, then enter next step;
The data of sonic sensor, vibration monitoring sensor and strain transducer collection are separately converted to acoustic signals, vibration signal and strain signal by data conversion module by the 3rd step; The detection data of temperature sensor that simultaneously data processor receives according to it carry out the threshold determination sequence of sonic sensor, vibration monitoring sensor and strain transducer; Threshold determination sequence is specially: the temperature range that the detection data of temperature sensor and the threshold value prestored within it are chosen in data compares by data processor, then draw under the temperature value of correspondence, the reasonable threshold value of sonic sensor, vibration monitoring sensor and strain transducer, then enters next step;
4th step, the reasonable threshold value of the vibration signal that data processor is received and strain signal and the vibroacoustic monitoring sensor drawn through threshold determination sequence and strain transducer compares respectively, when vibration signal and strain signal are all in its reasonable threshold value, then return second step; When vibration signal or/and when strain signal is not in its reasonable threshold value, then sends early warning signal to monitoring center, and enter next step;
5th step, by data processor according to the vibration signal not in reasonable threshold value or/and strain signal calculates corresponding vibration fault locating area respectively or/and strain failure locating area, the acoustic signals simultaneously received by data processor compares with the reasonable threshold value of the sonic sensor drawn through threshold determination sequence;
When acoustic signals is not in its reasonable threshold value, then calculate corresponding sound wave localization of fault region by data processor according to its detection signal, and combine vibration fault locating area or/and strain failure locating area gets its common factor as localization of fault result, then store related data, return second step simultaneously;
If acoustic signals is in its reasonable threshold value, and vibration signal also in its reasonable threshold value time, then strain failure locating area is as localization of fault result, then stores related data, returns second step simultaneously;
If acoustic signals is in its reasonable threshold value, and strain signal also in its reasonable threshold value time, then vibration fault locating area is as localization of fault result, then stores related data, returns second step simultaneously;
If acoustic signals is in its reasonable threshold value, and vibration signal and strain signal all not in its reasonable threshold value time, the common factor then getting vibration fault locating area and strain failure locating area, as localization of fault result, then stores related data, returns second step simultaneously.
7. a using method for blower fan tower barrel safe operation monitoring device according to claim 3, comprises the steps:
The first step, the server of data processor by data line and monitoring center is electrically connected, and after connecting the power supply of sonic sensor, vibration monitoring sensor, strain transducer, temperature sensor, signal conditioning circuit, analog to digital conversion circuit and data processor, it completes initialization and self-inspection all voluntarily;
Second step, sonic sensor, vibration monitoring sensor, strain transducer and temperature sensor start data acquisition; The data of data processor reading temperature sensor detection simultaneously, and whether its data are judged in the normal range preset, when its detection data are not in normal range, then re-start the reading that temperature sensor detects data, when it detects the judgement of data not in normal range more than three times, then send early warning signal by data processor to monitoring center, wait for manual reversion; When its detection data are in normal range, then enter next step;
The data of sonic sensor, vibration monitoring sensor and strain transducer collection are separately converted to acoustic signals, vibration signal and strain signal by signal conditioning circuit and analog to digital conversion circuit by the 3rd step; The detection data of temperature sensor that simultaneously data processor receives according to it carry out the threshold determination sequence of sonic sensor, vibration monitoring sensor and strain transducer; Threshold determination sequence is specially: the temperature range that the detection data of temperature sensor and the threshold value prestored within it are chosen in data compares by data processor, then draw under the temperature value of correspondence, the reasonable threshold value of sonic sensor, vibration monitoring sensor and strain transducer, then enters next step;
4th step, the reasonable threshold value of the vibration signal that data processor is received and strain signal and the vibroacoustic monitoring sensor drawn through threshold determination sequence and strain transducer compares respectively, when vibration signal and strain signal are all in its reasonable threshold value, then return second step; When vibration signal or/and when strain signal is not in its reasonable threshold value, then sends early warning signal to monitoring center, and enter next step;
5th step, by data processor according to the vibration signal not in reasonable threshold value or/and strain signal calculates corresponding vibration fault locating area respectively or/and strain failure locating area, the acoustic signals simultaneously received by data processor compares with the reasonable threshold value of the sonic sensor drawn through threshold determination sequence;
When acoustic signals is not in its reasonable threshold value, then calculate corresponding sound wave localization of fault region by data processor according to its detection signal, and combine vibration fault locating area or/and strain failure locating area gets its common factor as localization of fault result, then store related data, return second step simultaneously;
If acoustic signals is in its reasonable threshold value, and vibration signal also in its reasonable threshold value time, then strain failure locating area is as localization of fault result, then stores related data, returns second step simultaneously;
If acoustic signals is in its reasonable threshold value, and strain signal also in its reasonable threshold value time, then vibration fault locating area is as localization of fault result, then stores related data, returns second step simultaneously;
If acoustic signals is in its reasonable threshold value, and vibration signal and strain signal all not in its reasonable threshold value time, the common factor then getting vibration fault locating area and strain failure locating area, as localization of fault result, then stores related data, returns second step simultaneously.
8. a using method for blower fan tower barrel safe operation monitoring device according to claim 4, comprises the steps:
The first step, the server of data processor by data line and monitoring center is electrically connected, and after connecting the power supply of sonic sensor, vibration monitoring sensor, strain transducer, temperature sensor, data conversion module and data processor, it completes initialization and self-inspection all voluntarily;
Second step, sonic sensor, vibration monitoring sensor, strain transducer and temperature sensor start data acquisition; The data of data processor reading temperature sensor detection simultaneously, and whether its data are judged in the normal range preset, when its detection data are not in normal range, then re-start the reading that temperature sensor detects data, when it detects the judgement of data not in normal range more than three times, then send early warning signal by data processor to monitoring center and warning device, wait for manual reversion; When its detection data are in normal range, then enter next step;
The data of sonic sensor, vibration monitoring sensor and strain transducer collection are separately converted to acoustic signals, vibration signal and strain signal by data conversion module by the 3rd step; The detection data of temperature sensor that simultaneously data processor receives according to it carry out the threshold determination sequence of sonic sensor, vibration monitoring sensor and strain transducer; Threshold determination sequence is specially: the temperature range that the detection data of temperature sensor and the threshold value prestored within it are chosen in data compares by data processor, then draw under the temperature value of correspondence, the reasonable threshold value of sonic sensor, vibration monitoring sensor and strain transducer, then enters next step;
4th step, the reasonable threshold value of the vibration signal that data processor is received and strain signal and the vibroacoustic monitoring sensor drawn through threshold determination sequence and strain transducer compares respectively, when vibration signal and strain signal are all in its reasonable threshold value, then return second step; When vibration signal or/and when strain signal is not in its reasonable threshold value, then sends early warning signal to monitoring center and warning device, and enter next step;
5th step, by data processor according to the vibration signal not in reasonable threshold value or/and strain signal calculates corresponding vibration fault locating area respectively or/and strain failure locating area, the acoustic signals simultaneously received by data processor compares with the reasonable threshold value of the sonic sensor drawn through threshold determination sequence;
When acoustic signals is not in its reasonable threshold value, then calculate corresponding sound wave localization of fault region by data processor according to its detection signal, and combine vibration fault locating area or/and strain failure locating area gets its common factor as localization of fault result, then store related data, return second step simultaneously;
If acoustic signals is in its reasonable threshold value, and vibration signal also in its reasonable threshold value time, then strain failure locating area is as localization of fault result, then stores related data, returns second step simultaneously;
If acoustic signals is in its reasonable threshold value, and strain signal also in its reasonable threshold value time, then vibration fault locating area is as localization of fault result, then stores related data, returns second step simultaneously;
If acoustic signals is in its reasonable threshold value, and vibration signal and strain signal all not in its reasonable threshold value time, the common factor then getting vibration fault locating area and strain failure locating area, as localization of fault result, then stores related data, returns second step simultaneously.
9. a using method for blower fan tower barrel safe operation monitoring device according to claim 5, comprises the steps:
The first step, the server of data processor by data line and monitoring center is electrically connected, and after connecting the power supply of sonic sensor, vibration monitoring sensor, strain transducer, temperature sensor, signal conditioning circuit and analog to digital conversion circuit and data processor, it completes initialization and self-inspection all voluntarily;
Second step, sonic sensor, vibration monitoring sensor, strain transducer and temperature sensor start data acquisition; The data of data processor reading temperature sensor detection simultaneously, and whether its data are judged in the normal range preset, when its detection data are not in normal range, then re-start the reading that temperature sensor detects data, when it detects the judgement of data not in normal range more than three times, then send early warning signal by data processor to monitoring center and warning device, wait for manual reversion; When its detection data are in normal range, then enter next step;
The data of sonic sensor, vibration monitoring sensor and strain transducer collection are separately converted to acoustic signals, vibration signal and strain signal by signal conditioning circuit and analog to digital conversion circuit by the 3rd step; The detection data of temperature sensor that simultaneously data processor receives according to it carry out the threshold determination sequence of sonic sensor, vibration monitoring sensor and strain transducer; Threshold determination sequence is specially: the temperature range that the detection data of temperature sensor and the threshold value prestored within it are chosen in data compares by data processor, then draw under the temperature value of correspondence, the reasonable threshold value of sonic sensor, vibration monitoring sensor and strain transducer, then enters next step;
4th step, the reasonable threshold value of the vibration signal that data processor is received and strain signal and the vibroacoustic monitoring sensor drawn through threshold determination sequence and strain transducer compares respectively, when vibration signal and strain signal are all in its reasonable threshold value, then return second step; When vibration signal or/and when strain signal is not in its reasonable threshold value, then sends early warning signal to monitoring center and warning device, and enter next step;
5th step, by data processor according to the vibration signal not in reasonable threshold value or/and strain signal calculates corresponding vibration fault locating area respectively or/and strain failure locating area, the acoustic signals simultaneously received by data processor compares with the reasonable threshold value of the sonic sensor drawn through threshold determination sequence;
When acoustic signals is not in its reasonable threshold value, then calculate corresponding sound wave localization of fault region by data processor according to its detection signal, and combine vibration fault locating area or/and strain failure locating area gets its common factor as localization of fault result, then store related data, return second step simultaneously;
If acoustic signals is in its reasonable threshold value, and vibration signal also in its reasonable threshold value time, then strain failure locating area is as localization of fault result, then stores related data, returns second step simultaneously;
If acoustic signals is in its reasonable threshold value, and strain signal also in its reasonable threshold value time, then vibration fault locating area is as localization of fault result, then stores related data, returns second step simultaneously;
If acoustic signals is in its reasonable threshold value, and vibration signal and strain signal all not in its reasonable threshold value time, the common factor then getting vibration fault locating area and strain failure locating area, as localization of fault result, then stores related data, returns second step simultaneously.
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CN109253711A (en) * 2018-10-17 2019-01-22 中南大学 A kind of stuck method for detecting position of the screw conveyor of balancing earth-pressure shielding machine

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