CN205445911U - A bearing condition monitoring system for wind generating set - Google Patents
A bearing condition monitoring system for wind generating set Download PDFInfo
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- CN205445911U CN205445911U CN201620259727.6U CN201620259727U CN205445911U CN 205445911 U CN205445911 U CN 205445911U CN 201620259727 U CN201620259727 U CN 201620259727U CN 205445911 U CN205445911 U CN 205445911U
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- temperature sensor
- signal
- state monitoring
- outfan
- monitoring system
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 52
- 238000004891 communication Methods 0.000 claims abstract description 44
- 235000014593 oils and fats Nutrition 0.000 claims description 30
- 238000012545 processing Methods 0.000 claims description 20
- 239000000523 sample Substances 0.000 claims description 12
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000005611 electricity Effects 0.000 abstract description 2
- 238000012806 monitoring device Methods 0.000 abstract 2
- 238000005461 lubrication Methods 0.000 description 6
- 238000012423 maintenance Methods 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000003925 fat Substances 0.000 description 2
- 239000013307 optical fiber Substances 0.000 description 2
- 230000032258 transport Effects 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
Abstract
An embodiment of the utility model provides a bearing condition monitoring system for wind generating set, bearing condition monitoring system including the fixed epaxial vibration sensor that installs at aerogenerator, install aerogenerator's dead axle and/or move epaxial temperature sensor, signal pickup assembly and be used for the basis signal pickup assembly's collection from vibration sensor with the status monitoring device that motor spindle held operating condition is confirmed to send out by the signal that temperature sensor sent, wherein, temperature sensor's output and vibration sensor's output respectively with the signal pickup assembly electricity is connected, signal pickup assembly with status monitoring device communication connection. Adopt the technical scheme of the utility model, through temperature monitoring to aerogenerator and vibration control, the operating condition of accurate control aerogenerator base bearing avoids the loss of the generated energy that brings because the aerogenerator group that main bearing failure results in can not turn round.
Description
Technical field
This utility model relates to technical field of wind power generation, particularly relates to a kind of bearing state monitoring system for wind power generating set.
Background technology
Development along with wind generating technology, the scale of wind power generating set (calling unit in the following text) is increasing, the size of corresponding unit is the most increasing, and the weight of thing followed unit is more and more heavier so that in unit, the bearing of rotary part also becomes increasing.For the base bearing of electromotor in unit, once base bearing breaks down and whole unit will be caused not operate, impeller system and generating set must be lifted, bearing could be dismantled and replace with new bearing, and these dismountings and replacing need that electromotor transports professional factory and just can carry out, transporting to wind field to professional factory dismounting and change and assembling from hanging lower transport, finally lift at wind field, whole process all can not generate electricity.
Utility model content
The purpose of this utility model is to provide a kind of bearing state monitoring system for wind power generating set, the generated energy loss of the wind power generating set that minimizing brings because of base bearing fault.
For reaching above-mentioned purpose, embodiment of the present utility model adopts the following technical scheme that a kind of bearing state monitoring system for wind power generating set, described bearing state monitoring system includes the vibrating sensor being arranged on the dead axle of wind-driven generator, it is arranged on the temperature sensor on the dead axle of described wind-driven generator and/or moving axis, signal pickup assembly and the signal from described vibrating sensor and described temperature sensor transmission for gathering according to described signal pickup assembly determine the state monitoring apparatus of generator main bearing duty, wherein, the outfan of described temperature sensor and the outfan of vibrating sensor electrically connect with described signal pickup assembly respectively, described signal pickup assembly communicates to connect with described state monitoring apparatus.
Further, described temperature sensor includes at least one temperature below sensor: inner ring temperature sensor, outer ring temperature sensor and oils and fats temperature sensor；Wherein, the temperature probe of described inner ring temperature sensor contacts with the inner ring of the base bearing of described electromotor；And/or, the temperature probe of described outer ring temperature sensor contacts with the outer ring of the base bearing of described electromotor, and the oils and fats that the temperature probe of described oils and fats temperature sensor is discharged with the base bearing of described electromotor contacts；And, the vibration measuring probe of described vibrating sensor contacts with the base bearing of described wind-driven generator.
Further, described signal pickup assembly includes the first signal acquisition module, the outfan of described vibrating sensor is connected with described first signal acquisition module, and the outfan of the outfan of described outer ring temperature sensor and/or described oils and fats temperature sensor is connected with described first signal acquisition module.
Further, described first signal acquisition module also includes the first signal processing module and first communication module, the input of described first signal processing module respectively with being connected for exporting the outfan of vibration signal of the outfan for output temperature signal of described outer ring temperature sensor and/or the outfan for output temperature signal of described oils and fats temperature sensor and described vibrating sensor；Described first signal processing module exports to described first communication module after the temperature signal received and/or vibration signal are converted to current signal.
Further, described signal pickup assembly includes that secondary signal acquisition module, the outfan of described inner ring temperature sensor are connected with described secondary signal acquisition module.
Further, described secondary signal acquisition module also includes that secondary signal processing module and second communication module, the input of described secondary signal processing module are connected with the outfan for output temperature signal of described inner ring temperature sensor；Described secondary signal processing module exports to described second communication module after the temperature signal received is converted to current signal.
Further, described first communication module is communicated to connect with described second communication module by slip ring.
Further, described signal pickup assembly also includes third communication module, the input of described third communication module communicates to connect with the outfan of described first communication module and described second communication module, and the outfan of described third communication module communicates to connect with described state monitoring apparatus.
Further, described inner ring temperature sensor is multiple, and along the even circumferential distribution of described electromotor moving axis；And/or, the temperature sensor of described outer ring is multiple, and along the even circumferential distribution of described electromotor dead axle；And/or, described oils and fats temperature sensor is multiple, and along the even circumferential distribution of described electromotor dead axle.
Further, described first signal acquisition module is arranged in the master control cabinet of described wind power generating set；And/or, in the wheel hub of described wind power generating set, it being provided with signals collecting cabinet, described secondary signal acquisition module is arranged in described signals collecting cabinet；And/or, in the Central Control Room of the transformer station that described state monitoring apparatus is arranged on described wind power generating set.
The bearing state monitoring system for wind power generating set that this utility model embodiment provides, by the monitoring temperature to wind-driven generator, understand the load of generator main bearing, speed and lubrication circumstances in time, especially for the situation that the base bearing caused by insufficient lubrication is overheated；Simultaneously, by the vibration monitoring to wind-driven generator, understand in time generator main bearing whether occur spot corrosion, peel off, the situation such as abrasion, thus the duty that accurately monitoring wind driven generator principal shaft holds, monitored results according to duty carries out the maintenance of generator main bearing in time, it is to avoid the loss of brought generated energy because the wind power generating set that base bearing fault causes can not operate.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the bearing state monitoring system for wind power generating set in this utility model embodiment.
Description of reference numerals:
1-state monitoring apparatus；2-optical fiber；3-master control cabinet；4-the first signal acquisition module；5-slip ring；6-vibrating sensor；7-oils and fats temperature sensor；The temperature sensor of 8-outer ring；9-dead axle；10-inner ring temperature sensor；11-base bearing；12-moving axis；13-secondary signal acquisition module；14-signals collecting cabinet；15-transformer station；16-Central Control Room.
Detailed description of the invention
Describe exemplary embodiment of the present utility model below in conjunction with the accompanying drawings in detail.
Fig. 1 is the schematic diagram of the bearing state monitoring system for wind power generating set in this utility model embodiment, see Fig. 1, a kind of bearing state monitoring system for wind power generating set includes the vibrating sensor 6 being arranged on the dead axle 9 of wind-driven generator, it is arranged on the temperature sensor on the dead axle 9 of described wind-driven generator and/or moving axis 12, signal pickup assembly and the signal from described vibrating sensor 6 and described temperature sensor transmission for the collection according to described signal pickup assembly determine the state monitoring apparatus 1 of generator main bearing duty, wherein, the outfan of described temperature sensor and the outfan of vibrating sensor 6 electrically connect with described signal pickup assembly respectively, described signal pickup assembly communicates to connect with described state monitoring apparatus 1.
In wind power generating set, dead axle and the moving axis of wind-driven generator are connected by base bearing, mounting temperature sensor in advance on dead axle and/or moving axis, and temperature sensor is for measuring the temperature of base bearing；Installing vibrating sensor on dead axle in advance, vibrating sensor is for measuring the Vibration Condition of base bearing.The situations such as the monitoring temperature reflection load of generator main bearing, speed and lubrication；Vibration monitoring reflection generator main bearing whether occur spot corrosion, peel off, the situation such as abrasion, carry out monitoring temperature and vibration monitoring simultaneously, the duty that accurately monitoring wind driven generator principal shaft holds, monitored results according to duty carries out the maintenance of generator main bearing in time, it is to avoid the loss of brought generated energy because the wind power generating set that base bearing fault causes can not operate.
The temperature of base bearing at least includes one of temperature below: the temperature of the oils and fats of the inner ring temperature of base bearing, outer ring temperature and discharge.Alternatively, described temperature sensor includes at least one temperature below sensor: inner ring temperature sensor 10, outer ring temperature sensor 8 and oils and fats temperature sensor 7；Wherein, the temperature probe of described inner ring temperature sensor 10 contacts with the inner ring of the base bearing 11 of described electromotor, and inner ring temperature sensor 10 is for measuring the running temperature (inner ring temperature) of inner ring when base bearing 11 works；And/or, the temperature probe of described outer ring temperature sensor 8 contacts with the outer ring of the base bearing 11 of described electromotor, and outer ring temperature sensor 8 is for measuring the running temperature (outer ring temperature) of outer ring when base bearing 11 works；The oils and fats that the temperature probe of described oils and fats temperature sensor 7 is discharged with the base bearing 11 of described electromotor contacts, the temperature (oils and fats temperature) of the oils and fats of its internal lubrication when oils and fats temperature sensor 7 is for measuring base bearing work.Oils and fats temperature can be measured by oils and fats temperature sensor 7 one aspect, on the other hand, if inner ring temperature sensor 10 and/or outer ring temperature sensor 8 are broken down, separately through oils and fats temperature sensor 7, the measurement of oils and fats temperature to the duty of reflection generator main bearing, thus can also be improved the reliability of the present embodiment bearing state monitoring system.
It is alternatively possible to installing hole is pre-machined on electromotor dead axle, outer ring temperature sensor 8 is arranged in the installing hole on dead axle, and, vibrating sensor 6 is arranged in the installing hole on dead axle；Oils and fats temperature sensor 7 is arranged in row's fat hole of dead axle.Installing hole can also be pre-machined on electromotor moving axis, inner ring temperature sensor 10 is arranged in the installing hole on moving axis.
Further, the vibration measuring probe of described vibrating sensor 6 contacts with the base bearing 11 of described wind-driven generator, Vibration Condition when vibrating sensor 6 is for measuring base bearing work.
Preferably, described inner ring temperature sensor 10 is multiple, and the even circumferential along described electromotor moving axis 12 is distributed or is distributed in the specified point on the circumference of electromotor moving axis 12, it is intended that point can be with uneven distribution；And/or, described outer ring temperature sensor 8 is multiple, and the even circumferential along described electromotor dead axle 9 is distributed or is distributed in the specified point on the circumference of described electromotor dead axle 9, it is intended that point can be with uneven distribution；And/or, described oils and fats temperature sensor 7 is multiple, and the even circumferential along described electromotor dead axle 9 is distributed or is distributed in the specified point on the circumference of described electromotor dead axle 9, it is intended that point can be with uneven distribution.Only illustrating in Fig. 1 that inner ring temperature sensor 10, outer ring temperature sensor 8 and oils and fats temperature sensor 7 are respectively the situation of 1, the technical solution of the utility model is only made exemplary illustration by this diagram, and not as the restriction to the technical solution of the utility model.
Further, described signal pickup assembly includes that the first signal acquisition module 4, the outfan of described vibrating sensor 6 are connected with described first signal acquisition module 4；The outfan of described outer ring temperature sensor 8 and/or the outfan of described oils and fats temperature sensor 7 are connected with described first signal acquisition module 4.And/or, the outfan of described inner ring temperature sensor 10 is connected with described secondary signal acquisition module 13.Alternatively, in the present embodiment, described first signal acquisition module 4 is arranged in the master control cabinet 3 of described wind power generating set.
Alternatively, described signal pickup assembly also includes that secondary signal acquisition module 13, the outfan of described inner ring temperature sensor 10 are connected with described secondary signal acquisition module 13.Alternatively, being provided with signals collecting cabinet 14 in the wheel hub of described wind power generating set, described secondary signal acquisition module 13 is arranged in described signals collecting cabinet 14.Signals collecting cabinet 14 is used for fixing and protect secondary signal acquisition module 13.
Alternatively, in the present embodiment, in the Central Control Room 16 of the transformer station 15 that described state monitoring apparatus 1 is arranged on described wind power generating set.
Further, described first signal acquisition module 4 includes the first signal processing module and first communication module, and the input of described first signal processing module is connected for the outfan exporting vibration signal for outfan and the described vibrating sensor 6 of output temperature signal for outfan and/or the described oils and fats temperature sensor 7 of output temperature signal with described outer ring temperature sensor 8 respectively；The temperature signal received and/or vibration signal are converted to current signal and export to described first communication module by described first signal processing module.In the present embodiment, the temperature signal of outer ring temperature sensor 8 and oils and fats temperature sensor 7 is converted into analog current signal by the first signal processing module, and the vibration signal of vibrating sensor 6 is converted to analog current signal.First communication module in the present embodiment is E-BUS bus module, or can also be K-BUS bus module.First communication module is for being converted to digital current signal by analog current signal.
Further, described secondary signal acquisition module 13 includes that secondary signal processing module and second communication module, the input of described secondary signal processing module are connected for the outfan of output temperature signal with described inner ring temperature sensor 10；The temperature signal received is converted to current signal and exports to described second communication module by described secondary signal processing module.In the present embodiment, secondary signal processing module is for being converted into analog current signal by the temperature signal of inner ring temperature sensor 10.Second communication module in the present embodiment is E-BUS bus module, or can also be K-BUS bus module.Second communication module is for being converted to digital current signal by analog current signal.
Further, described first communication module is communicated to connect with described second communication module by slip ring 5.Slip ring 5 sends the signal data of second communication module to first communication module.
Alternatively, described signal pickup assembly also includes third communication module, the input of described third communication module communicates to connect with the outfan of described first communication module and described second communication module, in the present embodiment, third communication module is arranged in the master control cabinet 3 of described wind power generating set, and the outfan of third communication module is communicated to connect with described state monitoring apparatus 1 by optical fiber 2；The signal data that first communication module and second communication module processed is transferred to state monitoring apparatus 1 by third communication module.Preferably, the signal that outer ring temperature sensor, inner ring temperature sensor, oils and fats temperature sensor and vibrating sensor collect is carried out data classification and analysis by state monitoring apparatus 1, duty that automatic decision wind driven generator principal shaft holds and generate alerting signal, can export this alerting signal by display screen and/or voice-output device, this alerting signal takes corresponding maintenance measure or scheme for reminding the operation of wind power generating set and attendant the need of to the base bearing of wind-driven generator.
Use the bearing state monitoring system for wind power generating set that the present embodiment provides, by the monitoring temperature to wind-driven generator, understand the load of generator main bearing, speed and lubrication circumstances in time, especially for the situation that the base bearing caused by insufficient lubrication is overheated；Simultaneously, by the vibration monitoring to wind-driven generator, understand in time generator main bearing whether occur spot corrosion, peel off, the situation such as abrasion, thus the duty that accurately monitoring wind driven generator principal shaft holds, monitored results according to duty carries out the maintenance of generator main bearing in time, it is to avoid the loss of brought generated energy because the wind power generating set that base bearing fault causes can not operate.
The above; it is only detailed description of the invention of the present utility model; but protection domain of the present utility model is not limited thereto; any those familiar with the art is in the technical scope that this utility model discloses; change can be readily occurred in or replace, all should contain within protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with described scope of the claims.
Claims (10)
1. the bearing state monitoring system for wind power generating set, it is characterized in that, described bearing state monitoring system includes the vibrating sensor (6) being arranged on the dead axle (9) of wind-driven generator, it is arranged on the temperature sensor on the dead axle (9) of described wind-driven generator and/or moving axis (12), signal pickup assembly and the signal from described vibrating sensor (6) and described temperature sensor transmission for gathering according to described signal pickup assembly determine the state monitoring apparatus (1) of generator main bearing duty, wherein, the outfan of the outfan of described temperature sensor and vibrating sensor (6) electrically connects with described signal pickup assembly respectively, described signal pickup assembly communicates to connect with described state monitoring apparatus (1).
Bearing state monitoring system the most according to claim 1, it is characterized in that, described temperature sensor includes at least one temperature below sensor: inner ring temperature sensor (10), outer ring temperature sensor (8) and oils and fats temperature sensor (7)；
Wherein, the temperature probe of described inner ring temperature sensor (10) contacts with the inner ring of the base bearing (11) of described electromotor；And/or, the temperature probe of described outer ring temperature sensor (8) contacts with the outer ring of the base bearing (11) of described electromotor, and the oils and fats that the temperature probe of described oils and fats temperature sensor (7) is discharged with the base bearing (11) of described electromotor contacts；
And, the vibration measuring probe of described vibrating sensor (6) contacts with the base bearing (11) of described wind-driven generator.
Bearing state monitoring system the most according to claim 2, it is characterized in that, described signal pickup assembly includes the first signal acquisition module (4), the outfan of described vibrating sensor (6) is connected with described first signal acquisition module (4), and the outfan of the outfan of described outer ring temperature sensor (8) and/or described oils and fats temperature sensor (7) is connected with described first signal acquisition module (4).
Bearing state monitoring system the most according to claim 3, it is characterized in that, described first signal acquisition module (4) also includes the first signal processing module and first communication module, the input of described first signal processing module respectively with being connected for exporting the outfan of vibration signal of the outfan for output temperature signal of described outer ring temperature sensor (8) and/or the outfan for output temperature signal of described oils and fats temperature sensor (7) and described vibrating sensor (6)；Described first signal processing module exports to described first communication module after the temperature signal received and/or vibration signal are converted to current signal.
Bearing state monitoring system the most according to claim 4, it is characterized in that, described signal pickup assembly includes that secondary signal acquisition module (13), the outfan of described inner ring temperature sensor (10) are connected with described secondary signal acquisition module (13).
Bearing state monitoring system the most according to claim 5, it is characterized in that, described secondary signal acquisition module (13) also includes that secondary signal processing module and second communication module, the input of described secondary signal processing module are connected with the outfan for output temperature signal of described inner ring temperature sensor (10)；Described secondary signal processing module exports to described second communication module after the temperature signal received is converted to current signal.
Bearing state monitoring system the most according to claim 6, it is characterised in that described first communication module is communicated to connect with described second communication module by slip ring (5).
Bearing state monitoring system the most according to claim 7, it is characterized in that, described signal pickup assembly also includes third communication module, the input of described third communication module communicates to connect with the outfan of described first communication module and described second communication module, and the outfan of described third communication module communicates to connect with described state monitoring apparatus (1).
Bearing state monitoring system the most according to claim 2, it is characterised in that
Described inner ring temperature sensor (10) is multiple, and along the even circumferential distribution of described electromotor moving axis (12)；And/or,
Described outer ring temperature sensor (8) is multiple, and along the even circumferential distribution of described electromotor dead axle (9)；And/or,
Described oils and fats temperature sensor (7) is multiple, and along the even circumferential distribution of described electromotor dead axle (9).
Bearing state monitoring system the most according to claim 5, it is characterised in that described first signal acquisition module (4) is arranged in the master control cabinet (3) of described wind power generating set；And/or,
Being provided with signals collecting cabinet (14) in the wheel hub of described wind power generating set, described secondary signal acquisition module (13) is arranged in described signals collecting cabinet (14)；And/or,
In the Central Control Room of the transformer station that described state monitoring apparatus (1) is arranged on described wind power generating set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620259727.6U CN205445911U (en) | 2016-03-30 | 2016-03-30 | A bearing condition monitoring system for wind generating set |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620259727.6U CN205445911U (en) | 2016-03-30 | 2016-03-30 | A bearing condition monitoring system for wind generating set |
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| CN205445911U true CN205445911U (en) | 2016-08-10 |
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| CN201620259727.6U Active CN205445911U (en) | 2016-03-30 | 2016-03-30 | A bearing condition monitoring system for wind generating set |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112594141A (en) * | 2020-11-12 | 2021-04-02 | 北京金风慧能技术有限公司 | Bearing fault monitoring method, system, device, controller and storage medium |
| CN112964468A (en) * | 2021-02-05 | 2021-06-15 | 河钢乐亭钢铁有限公司 | Method and device for monitoring state of wheel bearing of horizontal loop vehicle on acid rolling production line |
| CN113982864A (en) * | 2021-12-03 | 2022-01-28 | 大连三环复合材料技术开发股份有限公司 | Wind turbine generator system main shaft slide bearing wearing and tearing volume monitoring sensor |
-
2016
- 2016-03-30 CN CN201620259727.6U patent/CN205445911U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112594141A (en) * | 2020-11-12 | 2021-04-02 | 北京金风慧能技术有限公司 | Bearing fault monitoring method, system, device, controller and storage medium |
| CN112964468A (en) * | 2021-02-05 | 2021-06-15 | 河钢乐亭钢铁有限公司 | Method and device for monitoring state of wheel bearing of horizontal loop vehicle on acid rolling production line |
| CN112964468B (en) * | 2021-02-05 | 2023-05-16 | 河钢乐亭钢铁有限公司 | Method and device for monitoring state of horizontal loop wheel bearing of acid rolling production line |
| CN113982864A (en) * | 2021-12-03 | 2022-01-28 | 大连三环复合材料技术开发股份有限公司 | Wind turbine generator system main shaft slide bearing wearing and tearing volume monitoring sensor |
| CN113982864B (en) * | 2021-12-03 | 2023-08-08 | 大连三环复合材料技术开发股份有限公司 | Wind turbine generator system main shaft slide bearing wearing and tearing volume monitoring sensor |
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