CN203642870U - Running status monitoring system of offshore wind-power tower - Google Patents
Running status monitoring system of offshore wind-power tower Download PDFInfo
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- CN203642870U CN203642870U CN201320555096.9U CN201320555096U CN203642870U CN 203642870 U CN203642870 U CN 203642870U CN 201320555096 U CN201320555096 U CN 201320555096U CN 203642870 U CN203642870 U CN 203642870U
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 19
- 230000001133 acceleration Effects 0.000 claims abstract description 36
- 230000005540 biological transmission Effects 0.000 claims abstract description 16
- 238000007405 data analysis Methods 0.000 claims description 8
- 238000013500 data storage Methods 0.000 claims description 6
- 210000000352 storage cell Anatomy 0.000 claims description 6
- 238000010521 absorption reaction Methods 0.000 claims description 4
- 238000004026 adhesive bonding Methods 0.000 claims description 2
- 238000004891 communication Methods 0.000 claims description 2
- 230000005611 electricity Effects 0.000 description 5
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 238000010223 real-time analysis Methods 0.000 description 1
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Abstract
Provided by the utility model is a running status monitoring system for an offshore wind-power tower. A first platform, a second platform, a third platform, and a fourth platform are successively disposed inside the tower at the different height above the ground. An engine room platform is disposed inside a main engine of an aerogenerator on the top of the tower. A set of stress-strain sensors and a set of acceleration sensors are respectively disposed above the first platform, the second platform, the third platform and the fourth platform at a certain distance. Another set of acceleration sensors is disposed above the engine room platform at a certain distance. A data transmission unit is in communicating connection with the stress-strain sensors and the acceleration sensors in communicating; and a display unit is connected to the data transmission unit. By disposing the sensors at different height of the tower, the running status of the offshore wind-power tower can be detected accurately, and the safe operation of the offshore wind-power tower can be ensured.
Description
Technical field
The utility model relates to a kind of operating state monitoring system of offshore wind farm tower cylinder.
Background technology
Wind-powered electricity generation construction is just towards offshore wind farm and large scale development, compared with land wind-powered electricity generation, offshore wind farm tower running environment is comparatively complicated, and offshore wind farm tower cylinder, except being subject to the effects such as wind load, is affected by load impact and corrosion etc. that the factor of natural environment such as wave, trend brings also.Meanwhile, the basis of offshore wind farm unit is not identical with land wind-powered electricity generation yet, has the feature of self.Every mechanical index of grasping offshore wind farm tower, as ess-strain, acceleration etc., the normal operating condition to wind-power tower and safety evaluatio are necessary.
Utility model content
The utility model provides a kind of operating state monitoring system of offshore wind farm tower cylinder, by sensor being set at the differing heights of tower cylinder, with stress, Vibration Condition and the natural frequency test etc. of monitoring tower cylinder, can accurately detect offshore wind farm set tower drum running status environment, for the normal operation of wind-power tower provides safeguard.
The operating state monitoring system of offshore wind farm tower cylinder provided by the utility model comprises: differing heights place, tower cylinder inner distance ground sets gradually first to fourth platform, the aerogenerator main frame inside at tower cylinder top arranges engineroom flat, a distance above described the first platform, the second platform, the 3rd platform and Siping City's platform, arranges respectively one group of stress strain gauge and one group of acceleration transducer; Above described engineroom flat, a distance arranges one group of acceleration transducer;
Data transmission unit, respectively with described stress strain gauge and acceleration transducer communication connection;
Display unit, is connected with described data transmission unit.
By upper, by the differing heights of tower cylinder, sensor being set, can accurately detect the running status of marine tower cylinder, for the normal operation of wind-power tower provides safeguard.
Optionally, a distance, tower cylinder outer distance ground arranges tower cylinder bottom platform, is fixed with one group of stress strain gauge and one group of acceleration transducer in described tower cylinder bottom platform.
Optionally, described one group of stress strain gauge is 4, equidistantly annular arrangement; Described one group of acceleration transducer is 2, symmetry arrangement.
By upper, by stress strain gauge and the acceleration transducer of diverse location are set, realize the running status that comprehensively gathers offshore wind farm tower cylinder position.
Optionally, gluing the fixing of described stress strain gauge employing; Described acceleration transducer adopts magnetic absorption to fix.
Optionally, described first to fourth platform lays respectively at described tower cylinder inner distance ground 14m, 24m, 52.3m and 84m place.
Optionally, 1.5m place above inner the first platform of described tower cylinder, the second platform, the 3rd platform and Siping City's platform, arranges respectively described stress strain gauge and acceleration transducer.
Optionally, above described engineroom flat, 0.5m place arranges described acceleration transducer.
Optionally, 9m place, described tower cylinder outer distance ground arranges described tower cylinder bottom platform;
In tower cylinder outside, 1.0m place, tower cylinder bottom platform top, arranges respectively one group of stress strain gauge and one group of acceleration transducer.
By upper, realize and be convenient to staff the sensor is carried out to examination and maintenance.
Optionally, also comprise:
Data storage cell, is connected with described data transmission unit;
Data analysis unit, is connected with described data storage cell;
Described display unit is also connected with data analysis unit.
By upper, by described sensor institute image data is analyzed, can accurately detect marine tower cylinder running status, for the normal operation of wind-power tower provides safeguard.
Accompanying drawing explanation
Fig. 1 is the structural representation of offshore wind farm tower cylinder;
Fig. 2 is the position view of stress strain gauge and acceleration transducer;
Fig. 3 is the principle schematic of offshore wind farm tower cylinder operating state monitoring system.
Embodiment
Below in conjunction with accompanying drawing, the embodiment of the operating state monitoring system to the utility model offshore wind farm tower cylinder is described in detail.
As shown in Figure 1, describe as an example of a kind of integral installation distribution structure of offshore wind farm unit example, offshore wind farm unit comprises impeller 151, tower cylinder 10, and the aerogenerator main frame 15 at tower cylinder 10 tops, single-pile foundation 14.
Tower cylinder bottom platform 13 is loop configuration, as shown in Figure 2, in tower cylinder 10 outsides, tower cylinder bottom platform 13 1.0m place, top spaced set first to fourth stress strain gauges (1311～1314).
Described stress strain gauge adopts distributed arrangement mode, and its inside is provided with several micro-bending strain sensing chips, and above-mentioned sensing chip is distributed in by each measurement point of geodesic structure, and each sensor connects by independent signal wire.In the time that extraneous wind direction makes sensing chip generation deformation, measure variable quantity, thereby can determine strain size.
Described stress strain gauge adopts adhesive means to fix.
In addition, in tower cylinder 10 outsides, tower cylinder bottom platform 13 1.0m places, top are also symmetrical arranged two acceleration transducers (1321,1322), are respectively used to gather the vibration of tower cylinder bottom level direction and vertical direction.
Described acceleration transducer adopts magnetic absorption mode to fix.
The inner differing heights of tower cylinder 10 is provided with platform, comprising: the first platform 121 is that 14m(is highly identical with tower cylinder door 12 apart from floor level); The second platform 122 is 24m apart from floor level; The 3rd platform 123 is 52.3m apart from floor level; Siping City's platform 124, is positioned at tower cylinder 10 tops, is 84m apart from floor level.Described platform carries out tower cylinder upkeep operation for support works personnel.
Further, 1.5m place above inner the first platform 121 of tower cylinder 10, the second platform 122, the 3rd platform 123 and Siping City's platform 124, respectively arranges respectively four stress strain gauges and two acceleration transducers.Position relationship between the sensor is same as shown in Figure 2, repeats no more.Wherein, the reason that 1.5m place arranges stress strain gauge and acceleration transducer above above-mentioned four platforms is respectively, is convenient to staff the sensor is carried out to current check and maintenance.
Wherein, stress strain gauge adopts adhesive means to be fixed on tower cylinder 10 inwalls or outer wall, and acceleration transducer adopts magnetic absorption mode to be fixed on tower cylinder 10 inwalls or outer wall.Through facts have proved, the sensor is arranged to tower cylinder 10 inside or tower cylinder 10 outsides, and its data acquisition comes to the same thing.
Aerogenerator main frame 15 inside are provided with engineroom flat (not shown), above described engineroom flat, 0.5m place arranges two acceleration transducers (1521, 1522), because wind-powered electricity generation unit is in operational process, cabin yaw system is in to wind state, normal operating condition of unit and anxious stopping under state, horizontal direction vibration and vertical vibration that harvester freight space is put, to analyze the natural frequency of tower cylinder under complete machine state, rotating frequency of the blade contrast with wind-powered electricity generation unit, further to analyze the structural stability of offshore wind farm tower cylinder under running status, avoid unit to produce resonance.
As shown in Figure 3, the application also provides a kind of offshore wind farm tower cylinder operating state monitoring system, comprise above-mentioned offshore wind farm tower cylinder, also comprise the data transmission unit 20 being electrically connected with described all stress strain gauges and acceleration transducer, for stress strain gauge and acceleration transducer carried out to signals collecting and data transmission.Described data transmission unit 20 can adopt wire transmission or wireless transmission with stress strain gauge and acceleration transducer.
Data storage cell 30, is connected the data that gather for storing described stress strain gauge and acceleration transducer with described data transmission unit 20.
Data analysis unit 40, is connected with described data storage cell 30, the data analysis early warning gathering for counter stress strain transducer and acceleration transducer, and by signal collected real-time analysis.
Display unit (not shown), be connected with described data transmission unit 20 and data analysis unit 40, the data that the stress strain gauge receiving for display data transmissions unit 20 and acceleration transducer gather, and the data analyzed of display data analysis unit 40.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (9)
1. the operating state monitoring system of an offshore wind farm tower cylinder, it is characterized in that, differing heights place, described tower cylinder inner distance ground sets gradually first to fourth platform, the aerogenerator main frame inside at tower cylinder top arranges engineroom flat, a distance above described the first platform, the second platform, the 3rd platform, Siping City's platform, arranges respectively one group of stress strain gauge and one group of acceleration transducer; Above described engineroom flat, a distance arranges one group of acceleration transducer;
Data transmission unit, respectively with described stress strain gauge and acceleration transducer communication connection;
Display unit, is connected with described data transmission unit.
2. monitoring system according to claim 1, it is characterized in that, a distance, tower cylinder outer distance ground arranges tower cylinder bottom platform, and a distance, described tower cylinder outer distance tower cylinder bottom platform top is fixed with one group of stress strain gauge and one group of acceleration transducer.
3. monitoring system according to claim 2, is characterized in that, described one group of stress strain gauge is 4, equidistantly annular arrangement; Described one group of acceleration transducer is 2, symmetry arrangement.
4. monitoring system according to claim 3, is characterized in that, described stress strain gauge adopts gluing fixing; Described acceleration transducer adopts magnetic absorption to fix.
5. monitoring system according to claim 1, is characterized in that, described first to fourth platform is separately positioned on described tower cylinder inner distance ground 14m, 24m, 52.3m and 84m place.
6. monitoring system according to claim 5, is characterized in that, 1.5m place above inner the first platform of described tower cylinder, the second platform, the 3rd platform and Siping City's platform, arranges respectively one group of stress strain gauge and one group of acceleration transducer.
7. monitoring system according to claim 1, is characterized in that, above described engineroom flat, 0.5m place arranges described acceleration transducer.
8. monitoring system according to claim 2, is characterized in that, 9m place, described tower cylinder outer distance ground arranges described tower cylinder bottom platform;
Described tower cylinder outside, 1.0m place, tower cylinder bottom platform top, arranges respectively one group of stress strain gauge and one group of acceleration transducer.
9. monitoring system according to claim 1, is characterized in that, also comprises:
Data storage cell, is connected with described data transmission unit;
Data analysis unit, is connected with described data storage cell;
Described display unit is also connected with data analysis unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320555096.9U CN203642870U (en) | 2013-09-06 | 2013-09-06 | Running status monitoring system of offshore wind-power tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320555096.9U CN203642870U (en) | 2013-09-06 | 2013-09-06 | Running status monitoring system of offshore wind-power tower |
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| Publication Number | Publication Date |
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| CN203642870U true CN203642870U (en) | 2014-06-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320555096.9U Expired - Fee Related CN203642870U (en) | 2013-09-06 | 2013-09-06 | Running status monitoring system of offshore wind-power tower |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106931872A (en) * | 2017-04-27 | 2017-07-07 | 三重型能源装备有限公司 | A kind of blower fan tower barrel of monitoring is tumbled the system and method for load |
| CN107192446A (en) * | 2017-07-31 | 2017-09-22 | 上海电气风电集团有限公司 | Tower barrel of wind generating set intrinsic frequency monitoring method |
| CN111075665A (en) * | 2020-01-03 | 2020-04-28 | 国电联合动力技术有限公司 | Non-contact strain acquisition and measurement system for tower of wind turbine generator and wind turbine generator |
| CN113434975A (en) * | 2021-06-24 | 2021-09-24 | 青岛天时智能航空科技有限公司 | Health assessment method and system for wind power tower barrel structure |
| CN114812873A (en) * | 2022-03-25 | 2022-07-29 | 北京千尧新能源科技开发有限公司 | Adjustable monitoring system for offshore wind power foundation |
-
2013
- 2013-09-06 CN CN201320555096.9U patent/CN203642870U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106931872A (en) * | 2017-04-27 | 2017-07-07 | 三重型能源装备有限公司 | A kind of blower fan tower barrel of monitoring is tumbled the system and method for load |
| CN107192446A (en) * | 2017-07-31 | 2017-09-22 | 上海电气风电集团有限公司 | Tower barrel of wind generating set intrinsic frequency monitoring method |
| CN107192446B (en) * | 2017-07-31 | 2020-12-29 | 上海电气风电集团有限公司 | Method for monitoring natural frequency of tower of wind generating set |
| CN111075665A (en) * | 2020-01-03 | 2020-04-28 | 国电联合动力技术有限公司 | Non-contact strain acquisition and measurement system for tower of wind turbine generator and wind turbine generator |
| CN113434975A (en) * | 2021-06-24 | 2021-09-24 | 青岛天时智能航空科技有限公司 | Health assessment method and system for wind power tower barrel structure |
| CN114812873A (en) * | 2022-03-25 | 2022-07-29 | 北京千尧新能源科技开发有限公司 | Adjustable monitoring system for offshore wind power foundation |
| CN114812873B (en) * | 2022-03-25 | 2023-08-04 | 北京千尧新能源科技开发有限公司 | A monitoring system with adjustable be used for marine wind-powered electricity generation basis |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140611 Termination date: 20150906 |
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| EXPY | Termination of patent right or utility model |