CN102645334A - State monitoring device for wind generating set - Google Patents
State monitoring device for wind generating set Download PDFInfo
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- CN102645334A CN102645334A CN2012101215726A CN201210121572A CN102645334A CN 102645334 A CN102645334 A CN 102645334A CN 2012101215726 A CN2012101215726 A CN 2012101215726A CN 201210121572 A CN201210121572 A CN 201210121572A CN 102645334 A CN102645334 A CN 102645334A
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Abstract
The invention discloses a state monitoring device for a wind generating set in the technical field of wind generation. The state monitoring device comprises an analog acquisition unit, a digital acquisition unit, an audio acquisition unit, a video acquisition unit, a first digital signal processor, a second digital signal processor, an ARM (advanced RISC machine) processor, an on-site storage unit, a camera control unit and a network access unit, wherein the analog acquisition unit and the digital acquisition unit are respectively connected with the first digital signal processor, the audio acquisition unit and the video acquisition unit are respectively connected with the second digital signal processor, and the ARM processor is respectively connected with the first digital signal processor, the second digital signal processor, the on-site storage unit, the camera control unit and the network access unit. The state monitoring device can be used for monitoring video, audio and vibration of the wind generating set, evaluating the state of the wind generating set, finding out faulted specific components and facilitating normal operation and trouble shooting of the wind generating set.
Description
Technical field
The invention belongs to technical field of wind power generation, relate in particular to a kind of wind power generating set state monitoring apparatus.
Background technology
Wind power generating set belongs to the electrical integrated rotating machinery of large scale computer, and the kinematic train of being made up of parts such as wind energy conversion system, gear case, generators is to realize the major equipment of wind energy to the electric energy conversion, also is the main load bearing component of energy transfer process.General 20 years of wind power generating set critical piece life-span; But because China's wind-powered electricity generation unit majority is installed in the northwestward and coastland; Unit often is operated under the severe environmental conditions such as low temperature, sand and dust, thunder and lightning, ice and snow, storm, and because wind speed, load and wind speed round variation range are big, internet access request is high; Cause the unit operation operating mode complicated, very easily cause wind-powered electricity generation unit kinematic train in lifetime, to break down even damage.Usually wind energy turbine set unit quantity many, have a very wide distribution, unmanned in service, equipment break down and are difficult in time finding, so have influence on the safe reliability of unit, even cause economic loss.Therefore, it is very necessary the wind power generating set running status being carried out real time on-line monitoring.
It is more extensive that the wind power generating set monitoring running state relates to content; The condition monitoring system of having used at present is that generally vibration detects to shaft system of unit; And provide device fault information through signal analysis technology; If can combine audio frequency, video information process technology; And combine the wind energy turbine set actual needs to add information such as smog alarm, external staff's illegal invasion warning, then can realize the unit operation situation is more comprehensively monitored, and can provide more comprehensive and field data intuitively for the personnel of runtime value class.
Summary of the invention
Do not have wind power generating set that Voice & Video information such as is monitored at deficiency to the existing wind power generating set monitoring system of mentioning in the above-mentioned background technology, the present invention proposes a kind of wind power generating set state monitoring apparatus.
Technical scheme of the present invention is that a kind of wind power generating set state monitoring apparatus is monitored the state of wind power generating set through 8 road vibration acceleration sensors, No. 4 video cameras and Ethernet; It is characterized in that this device comprises analog acquisition unit, digital data acquisition unit, audio collection unit, video acquisition unit, first digital signal processor, second digital signal processor, arm processor, storage unit, camera control unit and network insertion unit on the spot;
Said analog acquisition unit is connected with first digital signal processor respectively with the digital data acquisition unit; The audio collection unit is connected with second digital signal processor respectively with video acquisition unit; Arm processor is respectively with first digital signal processor, second digital signal processor, storage unit, camera control unit and network insertion unit are connected on the spot;
Said analog acquisition unit is used for gathering the signal of 8 road vibration acceleration sensors; The digital data acquisition unit is used to gather rotating speed, temperature and smog alarm signal; The audio collection unit is used for monitoring the unit operation acoustic information; Video acquisition unit is used for gathering 4 road camera video monitor signals; First digital signal processor is used for treatment of simulated and digital information, and the vibration time-domain signal is carried out data analysis, and the result of data analysis is sent to arm processor; Second digital signal processor is used for processing audio and video information, to audio frequency and coding video data, and result of calculation is sent to the ARM flush bonding processor; Storage unit is used for interim canned data on the spot, the metadata cache during as network congestion; Arm processor is used for realizing and the communicating by letter of remote computer through the network insertion unit, the information of communication is sent to remote computer realizes remote online monitoring, and accept remote computer and instruct.
It is TMS320F2812 that said first digital signal processor adopts model.
It is TMS320DM642 that said second digital processing unit adopts model.
The present invention can carry out video, audio frequency and vibration monitoring to wind power generating set; And the state of wind power generating set is assessed through data monitored; Can find out the concrete parts that break down, the convenience that provides for the operate as normal and the trouble hunting of wind power generating set.
Description of drawings
Fig. 1 is a schematic diagram of the present invention;
Fig. 2 is numeral and analog acquisition part schematic diagram;
Fig. 3 is audio frequency, video acquisition part schematic diagram.
Embodiment
Below in conjunction with accompanying drawing, preferred embodiment is elaborated.Should be emphasized that following explanation only is exemplary, rather than in order to limit scope of the present invention and application thereof.
As shown in Figure 1; The wind power generating set state monitoring apparatus comprises analog acquisition unit, digital data acquisition unit, audio collection unit, video acquisition unit, first digital signal processor, second digital signal processor, arm processor, storage unit, camera control unit and network insertion unit on the spot; Analog acquisition unit, digital data acquisition unit are connected with first digital signal processor; Audio collection unit, video acquisition unit are connected with second digital signal processor, and first digital signal processor, second digital signal processor, storage unit, camera control unit and network insertion unit are connected with the ARM flush bonding processor on the spot.
Digital data acquisition unit and analog acquisition unit are as shown in Figure 2; The analog acquisition unit is made up of prime amplifier, filtering circuit, Zeng Yi gain range adjustment circuit; Can high speed acquisition 8 tunnel vibration sensor signal, vibration transducer adopts piezoelectric acceleration transducer.First digital signal processor carries out the A/D conversion to this 8 tunnel analog quantity, obtains vibrating time-domain signal, carries out Fourier transform again and obtains rumble spectrum information; Tach signal is from rotating speed coder; Total A, B, Z three road pulse signals, 2 road temperature signals are pulse duration frequency signal from digital temperature sensor; Smoke alarm is the switching value signal; More than 6 tunnel pulses and switching value signal through photoelectricity isolate with level conversion after send first digital signal processor, first digital signal processor sends above-mentioned acquired signal and result of calculation to arm processor behind coding, it is TMS320F2812 that first digital signal processor adopts model.
Audio collection unit and video acquisition unit are as shown in Figure 3, and functional description is following: through video decoding unit 4 tunnel vision signals of video camera output are carried out video decode, be sent to second digital signal processor after converting vision signal into digital quantity; The acoustic pickup output audio signal through operational amplifier send into audio coding decoding unit; Carry out decoded digital quantity signal and send into second digital signal processor, second digital signal processor carries out sending arm processor to after the format encoded to above-mentioned audio-video signal.Conversation numerical information from remote computer sends arm processor to through Ethernet; Arm processor sends this information to the audio coding decoding unit through second digital signal processor again; The audio coding decoding unit carries out giving power amplifier after the D/A conversion to sound signal; Drive speaker operation, above-mentioned second digital signal processor has the function to adjustings such as audio-video signal gain.It is TMS320DM642 that second digital processing unit adopts model.
Arm processor will carry out data compression to vibration, audio frequency, video information; And information is sent to the remote computer monitor terminal through network insertion unit and Ethernet; If run into the network temporary derangement; Arm processor is about to data and is stored in storage unit on the spot temporarily, is used for preventing loss of data.Remote computer terminal can be operated down the operations staff; Send the camera pan-tilt steering order through Ethernet to arm processor; Camera control unit is connected with the camera pan-tilt servo-actuating device through 485 serial communication networks, under the arm processor instruction control, realizes the camera angle adjustment.
The present invention is installed in wind generating set engine room inside, is used for monitoring shaft system of unit radial journal bearing, gear case, dynamo bearing vibration, has the fault analysis function simultaneously; The tach signal of gathering is used for monitoring generating unit speed; The sound signal of gathering is used for monitoring the unit operation cacophonia, has two way audio distance communicating function simultaneously; Video monitoring can be used to keep watch on the cabin, turns round cable, situation at the bottom of the gear case, tower, has unauthorized person simultaneously and invades warning function; Other functions comprise cabin temperature, cabin smog alarm etc.This monitoring device has simulation and digital quantity interface expanded function, can increase measuring point according to on-the-spot needs.
The present invention can be provided on each unit of wind energy turbine set, and the monitoring device of each unit links together through Ethernet, and is connected with computer monitoring terminal, and computing machine is realized the Centralized Monitoring to the wind energy turbine set genset through the visit to each supervising device.
The above; Be merely the preferable embodiment of the present invention, but protection scope of the present invention is not limited thereto, any technician who is familiar with the present technique field is in the technical scope that the present invention discloses; The variation that can expect easily or replacement all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of claim.
Claims (3)
1. a wind power generating set state monitoring apparatus is monitored the state of wind power generating set through 8 road vibration acceleration sensors, No. 4 video cameras and Ethernet; It is characterized in that this device comprises analog acquisition unit, digital data acquisition unit, audio collection unit, video acquisition unit, first digital signal processor, second digital signal processor, arm processor, storage unit, camera control unit and network insertion unit on the spot;
Said analog acquisition unit is connected with first digital signal processor respectively with the digital data acquisition unit; The audio collection unit is connected with second digital signal processor respectively with video acquisition unit; Arm processor is respectively with first digital signal processor, second digital signal processor, storage unit, camera control unit and network insertion unit are connected on the spot;
Said analog acquisition unit is used for gathering the signal of 8 road vibration acceleration sensors; The digital data acquisition unit is used to gather rotating speed, temperature and smog alarm signal; The audio collection unit is used for monitoring the unit operation acoustic information; Video acquisition unit is used for gathering 4 road camera video monitor signals; First digital signal processor is used for treatment of simulated and digital information, and the vibration time-domain signal is carried out data analysis, and the result of data analysis is sent to arm processor; Second digital signal processor is used for processing audio and video information, to audio frequency and coding video data, and result of calculation is sent to the ARM flush bonding processor; Storage unit is used for interim canned data on the spot, the metadata cache during as network congestion; Arm processor is used for realizing and the communicating by letter of remote computer through the network insertion unit, the information of communication is sent to remote computer realizes remote online monitoring, and accept remote computer and instruct.
2. a kind of wind power generating set state monitoring apparatus according to claim 1 is characterized in that it is TMS320F2812 that said first digital signal processor adopts model.
3. a kind of wind power generating set state monitoring apparatus according to claim 1 is characterized in that it is TMS320DM642 that said second digital processing unit adopts model.
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| CN2012101215726A CN102645334A (en) | 2012-04-23 | 2012-04-23 | State monitoring device for wind generating set |
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| CN2012101215726A CN102645334A (en) | 2012-04-23 | 2012-04-23 | State monitoring device for wind generating set |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103727910A (en) * | 2012-10-10 | 2014-04-16 | 成都赛腾自动化工程有限公司 | Remote condition monitoring system of wind-driven generator |
| CN103727979A (en) * | 2013-12-19 | 2014-04-16 | 安徽泰特斯电力技术有限公司 | Draught fan vibration on-line monitoring terminal |
| CN103744021A (en) * | 2013-12-23 | 2014-04-23 | 煤炭科学研究总院 | Apparatus and method for motor fault monitoring |
| CN104515677A (en) * | 2015-01-12 | 2015-04-15 | 华北电力大学 | Failure diagnosing and condition monitoring system for blades of wind generating sets |
| CN104581058A (en) * | 2014-12-25 | 2015-04-29 | 齐咏生 | Fan signal acquiring device |
| CN104863798A (en) * | 2014-02-25 | 2015-08-26 | 常州铠甲智能科技有限公司 | Distributed storage based condition monitoring system and monitoring method for wind turbines |
| CN104913944A (en) * | 2015-06-01 | 2015-09-16 | 遵义市立新机械有限责任公司 | Hammer type breaker intelligent detection system |
| CN105278515A (en) * | 2014-06-05 | 2016-01-27 | 研祥智能科技股份有限公司 | Monitoring acquisition equipment and industrial equipment monitoring, diagnosis and maintenance system thereof |
| CN106443444A (en) * | 2016-09-27 | 2017-02-22 | 北海益生源农贸有限责任公司 | Motor operation state monitoring and management system |
| CN108428327A (en) * | 2018-03-15 | 2018-08-21 | 芜湖超源力工业设计有限公司 | A kind of infrared monitoring camera device of intelligent alarm |
| CN110567703A (en) * | 2019-10-15 | 2019-12-13 | 徐州徐工基础工程机械有限公司 | Sound-based remote diagnosis and prediction system and method for fault of rotary drilling rig |
| CN111049872A (en) * | 2019-03-29 | 2020-04-21 | 重庆电子工程职业学院 | Communication information acquisition monitoring management system |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103727910A (en) * | 2012-10-10 | 2014-04-16 | 成都赛腾自动化工程有限公司 | Remote condition monitoring system of wind-driven generator |
| CN103727979A (en) * | 2013-12-19 | 2014-04-16 | 安徽泰特斯电力技术有限公司 | Draught fan vibration on-line monitoring terminal |
| CN103744021A (en) * | 2013-12-23 | 2014-04-23 | 煤炭科学研究总院 | Apparatus and method for motor fault monitoring |
| CN104863798A (en) * | 2014-02-25 | 2015-08-26 | 常州铠甲智能科技有限公司 | Distributed storage based condition monitoring system and monitoring method for wind turbines |
| CN105278515A (en) * | 2014-06-05 | 2016-01-27 | 研祥智能科技股份有限公司 | Monitoring acquisition equipment and industrial equipment monitoring, diagnosis and maintenance system thereof |
| CN104581058B (en) * | 2014-12-25 | 2019-05-31 | 齐咏生 | A kind of fan signal collector |
| CN104581058A (en) * | 2014-12-25 | 2015-04-29 | 齐咏生 | Fan signal acquiring device |
| CN104515677A (en) * | 2015-01-12 | 2015-04-15 | 华北电力大学 | Failure diagnosing and condition monitoring system for blades of wind generating sets |
| CN104913944A (en) * | 2015-06-01 | 2015-09-16 | 遵义市立新机械有限责任公司 | Hammer type breaker intelligent detection system |
| CN106443444A (en) * | 2016-09-27 | 2017-02-22 | 北海益生源农贸有限责任公司 | Motor operation state monitoring and management system |
| CN108428327A (en) * | 2018-03-15 | 2018-08-21 | 芜湖超源力工业设计有限公司 | A kind of infrared monitoring camera device of intelligent alarm |
| CN111049872A (en) * | 2019-03-29 | 2020-04-21 | 重庆电子工程职业学院 | Communication information acquisition monitoring management system |
| CN110567703A (en) * | 2019-10-15 | 2019-12-13 | 徐州徐工基础工程机械有限公司 | Sound-based remote diagnosis and prediction system and method for fault of rotary drilling rig |
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Application publication date: 20120822 |