CN103245321A - Monitoring system and method for tower form of wind turbines - Google Patents
Monitoring system and method for tower form of wind turbines Download PDFInfo
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- CN103245321A CN103245321A CN2013101667323A CN201310166732A CN103245321A CN 103245321 A CN103245321 A CN 103245321A CN 2013101667323 A CN2013101667323 A CN 2013101667323A CN 201310166732 A CN201310166732 A CN 201310166732A CN 103245321 A CN103245321 A CN 103245321A
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- 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
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Abstract
The invention provides a monitoring system and method for the tower form of wind turbines. The monitoring system comprises a first tilt sensor at the top part of the tower, a second tilt sensor at the center of a tower base, and a processor connected with the first tilt sensor and the second tilt sensor respectively, wherein the first tilt sensor is used for detecting first tilt angle data of the center line of the tower relative to a vertical line; the second tilt sensor is used for detecting second tilt angle data of the center line of a tower base relative to a vertical line; and the processor is used for calculating out a first shift quantity of the top part center of the tower relative to the base center of the tower in the horizontal direction according to the first tilt angle data, as well as a second shift quantity of the base center of the tower in the horizontal direction according to the second tilt angle data. According to the invention, the system with the sensors and the processor is low in cost and simple in algorithm.
Description
Technical field
The present invention relates to wind-powered electricity generation unit tower tube measuring technique, relate in particular to a kind of wind-powered electricity generation unit tower tubular attitude monitoring system and method.
Background technology
Wind-powered electricity generation unit tower tube is the tower bar of aerogenerator, in wind power generating set, mainly play a supportive role, absorb the unit vibrations simultaneously, the tower tube is bearing load complicated and changeable such as thrust, moment of flexure and torque load, make that distortion such as waving of certain amplitude and distortion can appear in the tower tube in the wind power generating set operational process; In addition, the tower tube also can be subjected to the influence of factors such as material deformation, parts inefficacy and settlement of foundation, produces.The excessive inclination and distortion of tower tube can influence the normal operation of wind power generating set, and serious also can produce security incident, therefore, need monitor in real time the inclination and distortion of tower tube.
At present, when the tower tube being carried out the inclination and distortion measurement, the wind load that the tower tube is suffered is divided into three parts, be respectively static wind load, quasi-static wind load (being that wind speed changes wind load slowly) and the wind load that changes fast, accordingly, the distortion of tower tube can resolve into above-mentioned different wind loads under the stack of distortion, be about to the distortion of tower tube and be decomposed into static deformation, quasistatic distortion and dynamic deformation three parts, this three parts distortion stack just can obtain the distortion of tower tube.Therefore, need to determine the tower tube the static deformation amount under the static wind load, under the quasistatic wind load quasistatic deflection and the dynamic deformation amount under change wind load fast, determine the deformation equation of tower tube then, and then obtain the deformation curve of tower tube.Existing tower tube inclination and distortion measuring system needs to make up the static quasistatic deformation equation of complicated tower tube and dynamic deformation equation, and inclination sensor and acceleration transducer need be set, thereby, system complex and algorithm complexity, it is higher to measure cost.
Summary of the invention
The invention provides a kind of wind-powered electricity generation unit tower tubular attitude monitoring system and method, can effectively overcome the complicated and measurement cost problem of higher of algorithm that prior art exists.
The invention provides a kind of wind-powered electricity generation unit tower tubular attitude monitoring system, comprise be used to first obliquity sensor that is arranged at tower tube top, for the processor that is arranged at second obliquity sensor at tower tube base center and is connected with described first obliquity sensor, second obliquity sensor respectively;
Described first obliquity sensor is for detection of first inclination data of described tower tube center line with respect to vertical curve;
Described second obliquity sensor is for detection of second inclination data of described tower tube base center line with respect to vertical curve;
Described processor is used for calculating described tower tube top center with respect to described tower tube base center first side-play amount in the horizontal direction according to described first inclination data; Described processor is used for calculating described tower tube base center second side-play amount in the horizontal direction according to described second inclination data.
The present invention also provides a kind of wind-powered electricity generation unit tower tubular attitude monitoring method, comprising:
Detect described tower tube center line with respect to first inclination data of vertical curve and tower tube base center line second inclination data with respect to vertical curve;
Calculate described tower tube top center with respect to described tower tube base center first side-play amount in the horizontal direction according to described first inclination data; Calculate described tower tube base center second side-play amount in the horizontal direction according to described second inclination data;
Form according to described first side-play amount and second side-play amount monitoring wind-powered electricity generation unit tower tube.
Wind-powered electricity generation unit tower tubular attitude monitoring system provided by the invention and method, first obliquity sensor detects tower tube center line with respect to first inclination data of vertical curve, second obliquity sensor is used for for detection of second inclination data of tower tube base center line with respect to vertical curve, processor directly calculates first side-play amount and second side-play amount according to first inclination data and second inclination data, owing to only be provided with sensor and processor, thereby this system cost is lower, and algorithm is simple.
Description of drawings
The wind-powered electricity generation unit tower tubular attitude monitoring system that Fig. 1 provides for the embodiment of the invention is arranged on the structural representation on the wind-powered electricity generation unit;
The wind-powered electricity generation unit tower tubular attitude monitoring system structural representation that Fig. 2 provides for the embodiment of the invention;
The schematic flow sheet of the wind-powered electricity generation unit tower tubular attitude monitoring method that Fig. 3 provides for the embodiment of the invention.
Embodiment
The wind-powered electricity generation unit tower tubular attitude monitoring system that Fig. 1 provides for the embodiment of the invention is arranged on the structural representation on the wind-powered electricity generation unit; The wind-powered electricity generation unit tower tubular attitude monitoring system structural representation that Fig. 2 provides for the embodiment of the invention.
As illustrated in fig. 1 and 2, present embodiment provides a kind of wind-powered electricity generation unit tower tubular attitude monitoring system, comprises be used to first obliquity sensor 1 that is arranged at tower tube top, for the processor 3 that is arranged at second obliquity sensor 2 at tower tube base center and is connected with first obliquity sensor 1, second obliquity sensor 2 respectively.First obliquity sensor 1 can be arranged on the top platform of tower tube 10, second obliquity sensor 2 can be arranged at tower tube 10 base platform in the heart.
First obliquity sensor 1 is for detection of first inclination data of tower tube 10 center lines with respect to vertical curve; That is to say that first obliquity sensor 1 is used for measuring tower tube center line inclination angle variable quantity with respect to the horizontal plane, first inclination data that this first obliquity sensor 1 detects comprises α
xAnd α
y, α is the angle of tower tube center line and vertical curve, α
xBe tower tube end face and X-axis (east-west direction) angle, in the present embodiment, α
xBe the top platform face of tower tube 10 and the angle of X-axis, α
yBe tower tube end face and Y-axis (North and South direction) angle, in the present embodiment, α
yBe the top platform face of tower tube 10 and the angle of Y-axis.
The wind-powered electricity generation unit tower tubular attitude monitoring system that present embodiment provides, first obliquity sensor detects tower tube center line with respect to first inclination data of vertical curve, second obliquity sensor is used for for detection of second inclination data of tower tube base center line with respect to vertical curve, processor directly calculates first side-play amount and second side-play amount according to first inclination data and second inclination data, owing to only be provided with sensor and processor, thereby this system cost is lower, and algorithm is simple.
On the technical scheme basis of the wind-powered electricity generation unit tower tubular attitude monitoring system that above-described embodiment provides, can also comprise that display 4 is connected with processor 3 for the display 4 that shows monitoring result in real time.Particularly, processor 3 will be implemented monitoring wind-powered electricity generation unit tower tubular attitude in the mode of performance graph, show that by display 4 for the monitoring personnel provide real-time monitoring result, the monitoring personnel can pass through display 4 variation of monitoring tower tubular attitude intuitively.
Further, processor 3 also is used for being connected with blower fan master control system 5, and first side-play amount and second side-play amount are compared with alarm threshold value respectively, gives the alarm by blower fan master control system 5 control wind-powered electricity generation compressor emergency shutdowns or to the master control machine room.When first side-play amount or second side-play amount during greater than alarm threshold value; processor 3 transmits control signal to blower fan master control system 5; after blower fan master control system 5 receives the control signal that processor 3 sends, control wind-powered electricity generation compressor emergency shutdown, accident such as can avoid the wind-powered electricity generation unit to occur damaging or to collapse.When first side-play amount or second side-play amount during greater than alarm threshold value, processor 3 can also send alerting signal to the master control machine room, and personnel in time adopt an effective measure with the prompting monitoring, the metamorphosis of reply wind-powered electricity generation unit tower tube.
The schematic flow sheet of the wind-powered electricity generation unit tower tubular attitude monitoring method that Fig. 3 provides for the embodiment of the invention.As shown in Figure 3, the wind-powered electricity generation unit tower tubular attitude monitoring method that present embodiment provides comprises:
Can detect described tower tube center line with respect to first inclination data of vertical curve by first obliquity sensor, particularly, first obliquity sensor is used for measuring tower tube center line inclination angle variable quantity with respect to the horizontal plane, and first inclination data that this first obliquity sensor detects comprises α
xAnd α
y, α is the angle of tower tube center line and vertical curve, α
xBe tower tube end face and X-axis (east-west direction) angle, in the present embodiment, α
xBe the top platform face of tower tube and the angle of X-axis, α
yBe tower tube end face and Y-axis (North and South direction) angle, in the present embodiment, α
yBe the top platform face of tower tube and the angle of Y-axis.
Can detect tower tube base center line with respect to second inclination data of vertical curve by second obliquity sensor, particularly, second obliquity sensor is for detection of second inclination data of tower tube base center line with respect to vertical curve; That is to say that second obliquity sensor is used for measuring tower tube base center line inclination angle variable quantity with respect to the horizontal plane, first inclination data that this second obliquity sensor detects comprises β
xAnd β
y, β is the angle of tower tube base center line and vertical curve, β
xBe tower tube base top surface and X-axis (east-west direction) angle, in the present embodiment, β
xBe the base platform face of tower tube and the angle of X-axis, β
yBe tower tube base top surface and Y-axis (North and South direction) angle, in the present embodiment, β
xBe the base platform face of tower tube and the angle of Y-axis.
First side-play amount is
Wherein, Δ x=Hsin (α
x); Δ y=Hsin (α
y); H is tower tube height, and α is the angle of tower tube center line and vertical curve, α
xBe tower tube end face and X-axis (east-west direction) angle, α
yBe tower tube end face and Y-axis (North and South direction) angle; First inclination data comprises α
xAnd α
y
Second side-play amount is
Wherein, Δ x=Rsin (β
x); Δ y=Rsin (β
y); R is the radius of tower tube base, and β is the angle of tower tube base center line and vertical curve, β
xBe tower tube base top surface and X-axis (east-west direction) angle, β
yBe tower tube base top surface and Y-axis (North and South direction) angle; Second inclination data comprises β
xAnd β
y
Particularly, can in display, show the dynamic waveform that wind-powered electricity generation unit tower tube is out of shape in real time according to first side-play amount and second side-play amount.
In addition, can also be according to first side-play amount and second side-play amount and predefined alarm threshold value relatively, when first side-play amount or second side-play amount during greater than alarm threshold value, give the alarm to the master control machine room.
The wind-powered electricity generation unit tower tubular attitude monitoring method that present embodiment provides, the technique effect of the wind-powered electricity generation unit tower tubular attitude monitoring system that provides with above-described embodiment is identical, does not repeat them here.
One of ordinary skill in the art will appreciate that: all or part of step that realizes above-mentioned each method embodiment can be finished by the relevant hardware of programmed instruction.Aforesaid program can be stored in the computer read/write memory medium.This program is carried out the step that comprises above-mentioned each method embodiment when carrying out; And aforesaid storage medium comprises: various media that can be program code stored such as ROM, RAM, magnetic disc or CD.
It should be noted that at last: above each embodiment is not intended to limit only in order to technical scheme of the present invention to be described; Although the present invention has been described in detail with reference to aforementioned each embodiment, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment puts down in writing, and perhaps some or all of technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the scope of various embodiments of the present invention technical scheme.
Claims (9)
1. wind-powered electricity generation unit tower tubular attitude monitoring system, it is characterized in that, comprise be used to first obliquity sensor that is arranged at tower tube top, for the processor that is arranged at second obliquity sensor at tower tube base center and is connected with described first obliquity sensor, second obliquity sensor respectively;
Described first obliquity sensor is for detection of first inclination data of described tower tube center line with respect to vertical curve;
Described second obliquity sensor is for detection of second inclination data of described tower tube base center line with respect to vertical curve;
Described processor is used for calculating described tower tube top center with respect to described tower tube base center first side-play amount in the horizontal direction according to described first inclination data; Described processor is used for calculating described tower tube base center second side-play amount in the horizontal direction according to described second inclination data.
2. wind-powered electricity generation unit tower tubular attitude monitoring system according to claim 1 is characterized in that, comprises that also described display is connected with described processor for the display that shows monitoring result in real time.
3. wind-powered electricity generation unit tower tubular attitude monitoring system according to claim 1 and 2; it is characterized in that; described processor also is used for being connected with the blower fan master control system; and with first side-play amount and second side-play amount respectively with alarm threshold value relatively, give the alarm by described blower fan master control system control wind-powered electricity generation compressor emergency shutdown or to the master control machine room.
4. a wind-powered electricity generation unit tower tubular attitude monitoring method is characterized in that, comprising:
Detect described tower tube center line with respect to first inclination data of vertical curve and tower tube base center line second inclination data with respect to vertical curve;
Calculate described tower tube top center with respect to described tower tube base center first side-play amount in the horizontal direction according to described first inclination data; Calculate described tower tube base center second side-play amount in the horizontal direction according to described second inclination data;
Form according to described first side-play amount and second side-play amount monitoring wind-powered electricity generation unit tower tube.
5. wind-powered electricity generation unit tower tubular attitude monitoring method according to claim 4, it is characterized in that, the described tower tube of described detection center line is specially with respect to first inclination data of vertical curve and tower tube base center line second inclination data with respect to vertical curve: detect described tower tube center line with respect to first inclination data of vertical curve by first obliquity sensor, detect tower tube base center line with respect to second inclination data of vertical curve by second obliquity sensor.
6. according to claim 4 or 5 described wind-powered electricity generation unit tower tubular attitude monitoring methods, it is characterized in that described first side-play amount is
Wherein, Δ x=Hsin (α
x); Δ y=Hsin (α
y); H is tower tube height, and α is the angle of tower tube center line and vertical curve, α
xBe tower tube end face and X-axis (east-west direction) angle, α
yBe tower tube end face and Y-axis (North and South direction) angle;
Described first inclination data comprises α
xAnd α
y
7. according to claim 4 or 5 described wind-powered electricity generation unit tower tubular attitude monitoring methods, it is characterized in that described second side-play amount is
Wherein, Δ x=Rsin (β
x); Δ y=Rsin (β
y); R is the radius of tower tube base, and β is the angle of tower tube base center line and vertical curve, β
xBe tower tube base top surface and X-axis (east-west direction) angle, β
yBe tower tube base top surface and Y-axis (North and South direction) angle;
Described second inclination data comprises β
xAnd β
y
8. according to claim 4 or 5 described wind-powered electricity generation unit tower tubular attitude monitoring methods, it is characterized in that, describedly determine that according to first side-play amount and second side-play amount form of wind-powered electricity generation unit tower tube is specially, in display, show the dynamic waveform of wind-powered electricity generation unit tower tube distortion according to first side-play amount and second side-play amount in real time.
9. according to claim 4 or 5 described wind-powered electricity generation unit tower tubular attitude monitoring methods, it is characterized in that, describedly determine that according to first side-play amount and second side-play amount form of wind-powered electricity generation unit tower tube is specially, according to first side-play amount and second side-play amount and the comparison of predefined alarm threshold value, when first side-play amount or second side-play amount during greater than alarm threshold value, give the alarm to the master control machine room.
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| CN201310166732.3A CN103245321B (en) | 2013-05-08 | 2013-05-08 | Tower of wind generating set tubular state monitoring system and method |
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| CN201310166732.3A CN103245321B (en) | 2013-05-08 | 2013-05-08 | Tower of wind generating set tubular state monitoring system and method |
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Cited By (13)
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| CN105510065A (en) * | 2015-11-26 | 2016-04-20 | 青岛中天斯壮科技有限公司 | Structure safety monitoring technology for steel-structure radio and television transmitting tower |
| CN106762426A (en) * | 2016-12-21 | 2017-05-31 | 深圳明创自控技术有限公司 | A kind of high-efficiency wind energy generating set |
| CN107044389A (en) * | 2017-04-26 | 2017-08-15 | 北京唐浩电力工程技术研究有限公司 | A kind of wind set tower drum tilt measuring method and system |
| CN107121118A (en) * | 2017-05-31 | 2017-09-01 | 上海应谱科技有限公司 | A kind of Wind turbines tower static rigidity justifies analysis method |
| CN107829884A (en) * | 2017-10-25 | 2018-03-23 | 西安锐益达风电技术有限公司 | A kind of wind-driven generator tower health status monitoring method and dedicated test system |
| CN108731642A (en) * | 2018-04-08 | 2018-11-02 | 珠海市鑫世达测控技术有限公司 | Monitoring method, device, system and the readable storage medium storing program for executing of tower |
| CN109357647A (en) * | 2018-09-29 | 2019-02-19 | 观为监测技术无锡股份有限公司 | A kind of wind power equipment positioning monitoring system and method |
| CN109578224A (en) * | 2019-01-31 | 2019-04-05 | 广东电网有限责任公司 | A kind of safety monitoring system of wind-power generating unit tower |
| CN109596175A (en) * | 2018-12-28 | 2019-04-09 | 深圳前海慧联科技发展有限公司 | A kind of inclination of wind-power tower and shake on-line monitoring system |
| CN110455517A (en) * | 2019-08-22 | 2019-11-15 | 苏州旋械感知信息科技有限公司 | A kind of tower health monitor method of wind power generating set |
| CN110514179A (en) * | 2019-09-05 | 2019-11-29 | 中船重工海为(新疆)新能源有限公司 | A kind of measurement Wind turbines tower gradient method |
| CN110823418A (en) * | 2019-09-30 | 2020-02-21 | 广州文冲船厂有限责任公司 | Steel pile structure stress detection system and method |
| CN111561907A (en) * | 2020-03-31 | 2020-08-21 | 华电电力科学研究院有限公司 | Tower drum uneven settlement monitoring method based on plane dip angle measurement |
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| CN105510065A (en) * | 2015-11-26 | 2016-04-20 | 青岛中天斯壮科技有限公司 | Structure safety monitoring technology for steel-structure radio and television transmitting tower |
| CN106762426A (en) * | 2016-12-21 | 2017-05-31 | 深圳明创自控技术有限公司 | A kind of high-efficiency wind energy generating set |
| CN107044389A (en) * | 2017-04-26 | 2017-08-15 | 北京唐浩电力工程技术研究有限公司 | A kind of wind set tower drum tilt measuring method and system |
| CN107121118B (en) * | 2017-05-31 | 2019-07-09 | 上海应谱科技有限公司 | A kind of Wind turbines tower static rigidity circle analysis method |
| CN107121118A (en) * | 2017-05-31 | 2017-09-01 | 上海应谱科技有限公司 | A kind of Wind turbines tower static rigidity justifies analysis method |
| CN107829884B (en) * | 2017-10-25 | 2019-11-29 | 西安锐益达风电技术有限公司 | A kind of wind-driven generator tower health status monitoring method and dedicated test system |
| CN107829884A (en) * | 2017-10-25 | 2018-03-23 | 西安锐益达风电技术有限公司 | A kind of wind-driven generator tower health status monitoring method and dedicated test system |
| CN108731642A (en) * | 2018-04-08 | 2018-11-02 | 珠海市鑫世达测控技术有限公司 | Monitoring method, device, system and the readable storage medium storing program for executing of tower |
| CN109357647A (en) * | 2018-09-29 | 2019-02-19 | 观为监测技术无锡股份有限公司 | A kind of wind power equipment positioning monitoring system and method |
| CN109357647B (en) * | 2018-09-29 | 2024-05-24 | 观为监测技术无锡股份有限公司 | Wind power equipment positioning monitoring system and method |
| CN109596175A (en) * | 2018-12-28 | 2019-04-09 | 深圳前海慧联科技发展有限公司 | A kind of inclination of wind-power tower and shake on-line monitoring system |
| CN109596175B (en) * | 2018-12-28 | 2021-05-07 | 深圳前海慧联科技发展有限公司 | Wind power tower cylinder slope and rock on-line monitoring system |
| CN109578224A (en) * | 2019-01-31 | 2019-04-05 | 广东电网有限责任公司 | A kind of safety monitoring system of wind-power generating unit tower |
| CN110455517A (en) * | 2019-08-22 | 2019-11-15 | 苏州旋械感知信息科技有限公司 | A kind of tower health monitor method of wind power generating set |
| CN110455517B (en) * | 2019-08-22 | 2021-05-18 | 苏州旋械感知信息科技有限公司 | Tower barrel health monitoring method of wind generating set |
| CN110514179A (en) * | 2019-09-05 | 2019-11-29 | 中船重工海为(新疆)新能源有限公司 | A kind of measurement Wind turbines tower gradient method |
| CN110823418A (en) * | 2019-09-30 | 2020-02-21 | 广州文冲船厂有限责任公司 | Steel pile structure stress detection system and method |
| CN111561907A (en) * | 2020-03-31 | 2020-08-21 | 华电电力科学研究院有限公司 | Tower drum uneven settlement monitoring method based on plane dip angle measurement |
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