CN102346031A - Inclination detection method for wind turbine, and apparatus thereof - Google Patents
Inclination detection method for wind turbine, and apparatus thereof Download PDFInfo
- Publication number
- CN102346031A CN102346031A CN2010102457070A CN201010245707A CN102346031A CN 102346031 A CN102346031 A CN 102346031A CN 2010102457070 A CN2010102457070 A CN 2010102457070A CN 201010245707 A CN201010245707 A CN 201010245707A CN 102346031 A CN102346031 A CN 102346031A
- Authority
- CN
- China
- Prior art keywords
- aerogenerator
- data
- spirit
- central control
- leveling instrument
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Landscapes
- Manipulator (AREA)
- Wind Motors (AREA)
Abstract
The present invention discloses an inclination detection method for a wind turbine, wherein the method is provided for real-time detection of the maximum inclination value and the maximum inclination position of the wind turbine. The method comprises the following steps that: a hardware platform is built, wherein hardwares comprise an automatic digital level and a central control system; a parameter configuration treatment is performed for the automatic digital level; the central control system controls the automatic digital level to sequentially collimating level scales arranged along the circumference according to the parameter configuration information, and sequentially performs data acquisition for a bar code of each level scale; the central control system performs calculation, processing and analysis, and polar coordinate conversion for the acquired data, and fits a polar equation to obtain the maximum inclination value and the maximum inclination position of the wind turbine. The present invention further provides a corresponding detection apparatus. With the detection method and the apparatus, the unmanned online detection can be performed; the technical indicators required by the user can be obtained.
Description
Technical field
The present invention relates to a kind of slant detection method and device of aerogenerator, inclination (sedimentation) detection method and pick-up unit after particularly a kind of aerogenerator construction finishes.
Background technology
Spirit-leveling instrument is used to measure on the ground 2 the discrepancy in elevation.Digital level is a kind of of spirit-leveling instrument, and digital level is to increase by a cover electronical reading system at the traditional optical automatic compensated level, to realize automatic rod reading.Therefore, digital level not only will reach the whole technical indicators of optics automatic compensated level, also must reach the technical indicator of electronical reading system.
The method that existing aerogenerator settlement monitoring adopts manual regular to detect generally detects according to national second-order levelling.At first draw elevation during detection, be delivered to the observation station (being generally four observation stations) of aerogenerator then, detect laggard line data and handle and analyze from leveling point.Data processing is according to " a national second-order levelling standard " GB/T12897-2006; " Code for engineering surveying " GB50026-2007 analyzes with standards such as " building deformation measurement standard JGJ 8-2007 "; Obtain the elevation of each observation station; Thereby obtain four discrepancy in elevation between the observation station, converse the relative tilt amount between the observation station thus.The manual detection cost of investment is high, detection speed is slow and have personal error; The settling amount size that reflects aerogenerator that can not be real-time; And can only obtain the relative tilt amount between each observation station, can not reflect the maximum inclining position and the tilt quantity of aerogenerator.
User and be indifferent to the whole deflection of blower fan in the practical application, but be concerned about the maximum inclination and the obliquity of blower fan.Needn't draw elevation from leveling point, the relative settlement amount that only detects the blower fan observation station gets final product for this reason.Therefore, be badly in need of a kind of aerogenerator (sedimentation) the unmanned on-line monitoring system that tilts, this system can be applied under the complicated operating mode, and (offshore wind generating) also can operate as normal under abominable operating mode; And can obtain the maximum inclination and the obliquity of blower fan, obtain the technical indicator that the user needs.
Annotate: " blower fan " refers to " aerogenerator " in this paper and the following stated.
Summary of the invention
The present invention is in order to overcome defective in the above-mentioned prior art, the detection method and the pick-up unit of a kind of unmanned online detection blower fan maximum inclination and obliquity to be provided.
The present invention provides a kind of aerogenerator slant detection method, is used for detecting maximal value and the maximum position that aerogenerator tilts in real time, comprises the steps: to build hardware platform, and hardware comprises robotization digital level and central control system; The robotization digital level is carried out parameter configuration; Central control system is sighted the levelling staff along circumference successively according to parameter configuration control robotization digital level, and successively the bar code on each levelling staff is carried out data acquisition; Central control system to the data that collect calculate, Treatment Analysis and polar coordinates convert, and match polar equation finally obtains maximal value and maximum position that aerogenerator tilts.
Wherein, can also be included in the testing process through illuminator and thrown light in the relevant position of detecting.
Wherein, can also comprise that the aerogenerator inclination maximal value that will obtain and maximum position and preset safety limit compare, if exceed safety limit, system alarm then.
Wherein, the robotization digital level is carried out parameter configuration can be specially: aerogenerator quantity configuration, the configuration of levelling staff quantity, sense cycle and the zero-bit of spirit-leveling instrument, each anglec of rotation are set according to the particular location of levelling staff; The associated configuration of aerogenerator and illuminator and transport system configuration.
Wherein, Data acquisition can be specially: the stepper motor in the central control system control robotization digital level rotates; Make spirit-leveling instrument go to predefined zero-bit, carry out automatic focusing after the spirit-leveling instrument aiming accurately, until making on the graticule of levelling staff bar code ability blur-free imaging at spirit-leveling instrument; The zero-bit data acquisition makes spirit-leveling instrument go to the next position according to the predefined anglec of rotation and carries out data acquisition, until having gathered all levelling staff data after finishing.
Wherein, in data acquisition, whether central control system can normally carry out safety check to stepper motor, illuminator and the transmission system work of spirit-leveling instrument.
Wherein, Central control system to the data that collect calculate, Treatment Analysis and polar coordinates convert; And match polar equation; Final obtain the maximal value that aerogenerator tilts and be specially with the step of maximum position: the national standard that central control system prestores according to database is judged the whether conformance with standard requirement of data of collection; As do not meet, data are gathered again; As meet; Data to gathering are carried out compensating computation, and the data reduction that Treatment Analysis is crossed is a polar form, through MATLAB software match polar equation; Thereby obtain the maximal value and the maximum position of equation, and converse maximal value and maximum position that aerogenerator tilts.
The present invention also provides a kind of aerogenerator tilt detecting device, is used for detecting maximal value and the maximum position that aerogenerator tilts in real time, and comprising: the robotization digital level is used to gather the barcode data on the levelling staff; Central control system is used for controlling the stepper motor rotation of robotization digital level, makes the robotization digital level sight each levelling staff respectively and carries out data acquisition; Data to gathering are calculated, Treatment Analysis and polar coordinates convert, and the match polar equation, finally obtain maximal value and the maximum position that aerogenerator tilts and carry out safe evaluation and test; Transmission system is used for data and instruction transmission between robotization digital level and the central control system.
Wherein, this device also comprises illuminator, is used in testing process being thrown light in the relevant position of detecting.
Wherein, central control system also comprises: event processing module, be used for initialization setting, the data acquisition control of system and with the data transmission that detects to data processing module; Data processing module, be used for the data that collect calculate, Treatment Analysis and polar coordinates convert, and match polar equation finally obtains maximal value and maximum position that aerogenerator tilts; Safety evaluation and test module, the aerogenerator inclination maximal value that is used for having obtained and maximum position and the safety limit of presetting compare, if exceed safety limit, system alarm then.
Wherein, Event processing module specifically comprises: the system configuration submodule, be used for the initialization setting of system, and comprise the configuration of aerogenerator quantity; Levelling staff quantity configuration, sense cycle and the zero-bit of spirit-leveling instrument, each anglec of rotation are set according to the particular location of levelling staff; The associated configuration of aerogenerator and illuminator and transport system configuration; The data acquisition submodule is used for the control step motor and rotates, and makes spirit-leveling instrument go to predefined zero-bit, carries out automatic focusing after the spirit-leveling instrument aiming accurately, until making on the graticule of levelling staff bar code ability blur-free imaging at spirit-leveling instrument; The zero-bit data acquisition makes spirit-leveling instrument go to the next position according to the predefined anglec of rotation and carries out data acquisition, until having gathered all levelling staff data after finishing; The data transmission submodule, data transmission to the data processing module that is used for gathering is in order to carrying out follow-up data processing.
Wherein, event processing module also comprises system's safety check submodule, is used at data acquisition, and whether stepper motor, illuminator and the transmission system work of spirit-leveling instrument are normally carried out safety check.
Wherein, data processing module specifically comprises: judge submodule, the national standard that is used for prestoring according to database is judged whether conformance with standard requirement of the data of gathering; Calculating sub module; Be used for the image data that conformance with standard requires is carried out compensating computation; The data reduction that Treatment Analysis is crossed is a polar form; Through MATLAB software match polar equation; Thereby obtain the maximal value and the maximum position of equation, and converse maximal value and maximum position that aerogenerator tilts.
Compared with prior art; The present invention carries out data acquisition through central control system control robotization digital level; And the data of gathering are calculated and Treatment Analysis; Finally obtain the maximum inclination and the obliquity of blower fan; Both can realize that unmanned online in real time detects, and can satisfy the technical indicator of user's needs again.
Description of drawings
Fig. 1 is that blower fan tilt detecting device of the present invention connects synoptic diagram;
Fig. 2 is a robotization digital level scheme of installation in the pick-up unit of the present invention;
Fig. 3 is a blower fan of the present invention angle of inclination conversion synoptic diagram;
Fig. 4 is the curvilinear equation synoptic diagram that the present invention confirms maximum inclining position and maximum inclination angle;
Fig. 5 is a blower fan slant detection method schematic flow sheet of the present invention.
In conjunction with the accompanying drawing following Reference numeral of mark thereon:
The 1-event processing module, 11-system configuration submodule, 12-data acquisition submodule, 13-system safety check submodule, 14-data transmission submodule, the 2-data processing module, 21-judges submodule, 22-calculating sub module, 3-safety evaluation and test module.
Embodiment
Below in conjunction with accompanying drawing, an embodiment of the present invention is described in detail, but is to be understood that protection scope of the present invention is not subjected to the restriction of embodiment.
As shown in Figure 1, aerogenerator inclination (sedimentation) pick-up unit of the present invention mainly is made up of robotization digital level, central control system, transmission system, illuminator etc.The robotization digital level is on the basis of digital level, to have increased functions such as sighting scale, automatic data collection and transmission automatically, can satisfy unmanned automatic on-line and detect.
Central control system control robotization digital level carries out regularly or irregularly detecting to aerogenerator; Detect data and pass to central control system through transmission system (transmission system comprises repeater and the transmission line among Fig. 1); Central control system is handled data, and result is carried out safety analysis, when reaching safe-guard line, and system alarm.The concrete composition structure and the principle of system are following.
At first introduce the robotization digital level (hereinafter to be referred as spirit-leveling instrument) that the present invention relates to below:
The fine measuring instrument that the robotization digital level is made up of optical system, Precision Machinery Elements, circuit etc.It is on the basis of existing digital level, increase sight automatically, the digital level of functions such as automatic data collection and transmission, can satisfy unmanned automatic on-line and detect.
Sighting automatically of spirit-leveling instrument is the function that existing digital level is increased according to the requirement of system.Before system works, at first the robotization digital level is set, comprised the setting of reference position (zero-bit) and each angle of rotating through central control system.When central control system is sent command detection; The built-in stepper motor of robotization digital level rotates; Make spirit-leveling instrument forward predefined zero-bit (this moment, spirit-leveling instrument was aimed at No. 1 scale) to; Carry out automatic focusing after the aiming accurately; Make scale bar code ability blur-free imaging on graticule; Detect the line data collection of going forward side by side then; Finishing collecting; Spirit-leveling instrument forwards next position (this moment, spirit-leveling instrument was aimed at No. 2 scales) to according to the angle that preestablishes rotation and carries out data acquisition, until having gathered all scale data.Central control system can calculate the pulse step number that stepper motor rotates these angle needs according to the predefined anglec of rotation, thereby can control the position that spirit-leveling instrument turns to accurate setting.When all scale data acquisitions finish, data are transferred to central control system automatically.
Introduce the central control system that the present invention relates to below:
Central control system is the hardware platform that adopts Programmable Logic Controller PLC, single-chip microcomputer or ARM microprocessor to build, establishments such as The software adopted PLC configuration software or VC++, MATLAB, EXCEL.
Nucleus module in the central control system comprises event processing module 1, data processing module 2 and safety evaluation and test module 3.Event processing module 1 can be controlled the hardware of total system; Comprise that system installs the back to the initialization setting of system (being accomplished by system configuration submodule 11), the data acquisition control after beginning to detect (accomplishing), system self safety check (accomplishing) and with original data transmissions to the data processing module 2 (accomplishing) that detects by data transmission submodule 14 by system's safety check submodule 13 by data acquisition submodule 12.
System configuration submodule 11 comprises following function: zero-bit and the each rotational angle that the associated configuration of the associated configuration of spirit-leveling instrument and aerogenerator and illuminator, spirit-leveling instrument and scale, detection time and cycle are provided with (being used for regular detection), spirit-leveling instrument is provided with etc.
Data acquisition submodule 12 comprises following function: the stepper motor in the control spirit-leveling instrument rotates; Make spirit-leveling instrument forward predefined zero-bit to and carry out data acquisition; Finishing collecting; Spirit-leveling instrument forwards next position to according to the angle that preestablishes rotation and carries out data acquisition, until having gathered all scale data.
System's safety check submodule 13 comprises following function: promptly in testing process; If robotization digital level motor internal cisco unity malfunction, spirit-leveling instrument normally reading, illuminator can not normally open, data can not normal transmission etc. situation, system's safety check submodule 13 can be realized reporting to the police and handle to corresponding error.Wherein, can the safety check of stepper motor be adopted according to the angle of setting, when motor rotates to this position, judge by leaf sight; Can spirit-leveling instrument normally reading adopt data processed meet the demands to judge; Whether whether illuminator normally adopts through test has electric current to judge through illuminator; Can data be transmitted and adopt central control system normally receive data to detect.
Data transmission to the data processing module 2 that data transmission submodule 14 is used for gathering several times is in order to carrying out follow-up data processing.
Specify the data processing detailed process through an instance below:
If blower fan has installed four scale, initial detection scale is the A scale, is followed successively by B, C, D, and A ' is for concentrating one's gaze on the position of A scale, as shown in Figure 2 again after 360 ° of the spirit-leveling instrument rotations.If when spirit-leveling instrument aiming A, B, C, D, A ' scale, the residing angle value of spirit-leveling instrument is θ
A, θ
B, θ
C, θ
D, θ
A ', the data of detection are r after treatment
A, r
B, r
C, r
D, r
A 'Can establish A, B, C, D, A ' five point pole coordinate figures thus is (θ
A, r
A), (θ
B, r
B), (θ
C, r
C), (θ
D, r
D), (θ
A ', r
A '), 5 known coordinates that draw thus can simulate the least square curve equation through each point.
If the polar curve equation through 5 point coordinate is r=a θ
4+ b θ
3+ c θ
2+ d θ+e;
Can get equation by known coordinate point:
Go out unknown number a, b, c, d, e with the MATLAB computed in software, can obtain concrete curvilinear equation.
If the maximal value of curve is positioned at the angle [alpha] place, (0, π) obtain r in the curve in the interval
α-r
α+πThe absolute value maximal value, can converse the maximal value that blower fan tilts thus, α is the maximum position that aerogenerator tilts.
Solid line is the original position of blower fan among Fig. 3, and dotted line is the position, back that tilts, pitch angle i
1Expression, L is the height of blower fan, and a is the blower fan diameter, and b is the blower fan tilt quantity, can be known by figure:
i
1＝i
2＝arctan(b/a)
If a is the maximum inclination of blower fan, then i
1Be the maximum inclination angle i of blower fan
Max
Instantiation is following, and table 1 reaches data and elevation through adjustment processing for detect and be transferred to the raw data of central control system through spirit-leveling instrument.
Table 1 data processing example
| Sequence number | No. 1 scale | No. 2 scales | No. 3 scales | No. 4 scales | No. 1 |
| Angle | |||||
| 0 | pi/2 | pi | 3pi/2 | 2pi(0) | |
| The reference position elevation | 1.3700 | 1.3700 | 1.3700 | 1.3700 | 1.3700 |
| Observation for the first time | 1.3793 | 1.3752 | 1.3734 | 1.3667 | 1.3797 |
| After adjustments etc. are handled | 1.3793 | 1.3751 | 1.3732 | 1.3764 | 1.3793 |
| Change elevation | 0.0093 | 0.0051 | 0.0032 | 0.0064 | 0.0093 |
Can obtain 5 coordinate figures (0,0.0093), (pi/2,0.0051), (pi, 0.0032), (3pi/2,0.0064), (0,0.0093) by table 1.
The curvilinear equation that is simulated by MATLAB is:
r＝-0.00005612070299*(theta.^4)+0.00064933089326*(theta.^3)-0.00162451631107*(theta.^2)-0.00150666679460*theta+0.0093
Curvilinear equation figure as shown in Figure 4.
Can obtain r by curve
α-r
α+πThe absolute value maximal value be 0.00620503769678, maximum position is maxdelta=170.25, and the maximum inclination angle that can converse blower fan is i
Max=5.58 ".
Above-mentioned algorithm be the observation of hypothesis blower fan to count be four, if will increase according to actual demand observation station number needs, then algorithm is done corresponding change.
Safety evaluation and test module 3 is used for the data of data processing module are carried out safety assessment, when reaching the maximum inclination of blower fan requirement, and system alarm.For example: aerogenerator requires maximum inclination to be no more than 3 "; when obtain maximum inclination according to the polar equation of match is 1.5 "; Safety coefficient is 2 o'clock; The maximum inclination that is drawn by the data of gathering is 2*1.5 "=3 "; Maximum inclination more than or equal to the blower fan requirement; System alarm, the prompting staff need take the necessary security measure to remedy.
The illuminator that following brief account the present invention relates to:
Need illumination in the robotization digital level course of work, the blower fan fuselage interior is the environment of dark sealing, so the illuminator of establishing, illuminator is controlled by central control system.
The transmission system that following brief account the present invention relates to:
Transmission system is transmission line, and it acts on as follows: the data that spirit-leveling instrument detects pass to central control system through transmission line; Central control system is sent the motion of instruction control slave computer through transmission line.The form of transmission line can be 1. RS-485 transmission; 2. wireless transmission; 3. according to the existing transmission equipment of wind energy turbine set as medium transmission (as: optical fiber, cable etc.).
More than be the introduction of blower fan tilt detection principle of the present invention and related device, the workflow in the face of pick-up unit describes in detail (as shown in Figure 5) down:
Step 101 is built each hardware platform.Spirit-leveling instrument is fixed on blower fan fuselage interior center, and levelling pole is fixed or whitewashed on the inwall of blower fan fuselage and around the setting of spirit-leveling instrument annular space, have the scale bar code on the levelling pole;
Step 102 is carried out parameter configuration through system configuration submodule 11.Comprise spirit-leveling instrument configuration, illuminator configuration and transport system configuration.Wherein spirit-leveling instrument configuration comprises the configuration of blower fan quantity again, the associated configuration of configuration of scale quantity and spirit-leveling instrument and scale (relate to detection time, the setting in cycle and the zero-bit of spirit-leveling instrument, each anglec of rotation are set according to the particular location of scale); The illuminator configuration is meant the associated configuration of blower fan and illuminator; Transport system configuration is meant the setting of wireless transmission or wire transmission;
Step 103; Stepper motor in the data acquisition submodule 12 control spirit-leveling instruments rotates, and makes spirit-leveling instrument forward predefined zero-bit to, carries out automatic focusing after the spirit-leveling instrument aiming accurately; Until making scale bar code ability blur-free imaging on graticule, the bar code on the scale is carried out raw data acquisition;
Step 104, can in data acquisition, 13 pairs of corresponding systems of system's safety check submodule carry out safety check: promptly adopt according to the angle of setting, when motor rotates to this angle position, judge by leaf sight, thereby carry out the safety check of stepper motor; Adopt data processed to meet the demands and judge normally reading of spirit-leveling instrument; Whether employing has electric current to pass through illuminator is judged whether illuminator is normal; Can normally receive the data judgment data through the judgement central control system normal transmission.In a word, system's safety check submodule 13 will carry out omnibearing self check to spirit-leveling instrument, illuminator and transmission system in data acquisition.
Step 105 has been gathered the data of zero-bit, and data acquisition submodule 12 control step motors forward spirit-leveling instrument to next position according to the predefined anglec of rotation and carry out data acquisition, by that analogy, in the gatherer process with the self check step of repeating step 4;
Step 106 has been gathered all scale data;
Step 107, the data processing module 2 of the data transmission that data transmission submodule 14 will be gathered several times to central control system;
Step 108, the aforementioned concerned countries standard that submodule 21 prestores according to database of judging in the data processing module 2 judges whether the data of gathering satisfy standard-required, as satisfying, gets into step 9; As not satisfying, repeating step 103-105 resurveys, and continuous detecting still can not meet the demands system alarm three times;
Step 109; Calculating sub module 22 in the data processing module 2 is carried out Treatment Analysis according to aforementioned relevant criterion to the raw data that receives; Comprise compensating computation etc.; The data reduction that Treatment Analysis is crossed becomes polar form; With MATLAB software match polar equation; Thereby obtain the maximal value and the maximum position of equation, and converse maximal value and maximum position that blower fan tilts.Result after the calculating can form form export;
Step 110; Maximal value and maximum position that blower fan after 3 pairs of data processing modules of safety evaluation and test module Treatment Analysis tilts carry out safety assessment; When reaching the preset maximum inclination of blower fan requirement, system alarm, the prompting staff need take the necessary security measure to remedy.
Detection method of the present invention and the pick-up unit system that makes has manual work/autosensing mode to be selected, but real-time online detects; Can obtain maximal value and the maximum position that blower fan tilts through detecting and calculating, effectively satisfy user's actual needs; Image data is objective, simple to operate, effect directly perceived, be convenient to data query, be convenient to generate form, and can practice thrift the detection cost, saves detection time.
More than disclosed only be a specific embodiment of the present invention, still, the present invention is not limited thereto, any those skilled in the art can think variation all should fall into protection scope of the present invention.
Claims (13)
1. an aerogenerator slant detection method is used for detecting maximal value and the maximum position that aerogenerator tilts in real time, it is characterized in that, comprises the steps:
Build hardware platform, said hardware comprises robotization digital level and central control system;
The robotization digital level is carried out parameter configuration;
Central control system is sighted the levelling staff along circumference successively according to said parameter configuration control robotization digital level, and successively the bar code on each levelling staff is carried out data acquisition;
Central control system to the data that collect calculate, Treatment Analysis and polar coordinates convert, and match polar equation finally obtains maximal value and maximum position that aerogenerator tilts.
2. aerogenerator slant detection method according to claim 1 is characterized in that, also is included in the testing process through illuminator to be thrown light in the relevant position of detecting.
3. aerogenerator slant detection method according to claim 1 and 2 is characterized in that, comprises that also the aerogenerator inclination maximal value that will obtain and maximum position and preset safety limit compare, if exceed safety limit, and system alarm then.
4. aerogenerator slant detection method according to claim 2 is characterized in that, saidly the robotization digital level is carried out parameter configuration is specially:
Aerogenerator quantity configuration, the configuration of levelling staff quantity, sense cycle and the zero-bit of spirit-leveling instrument, each anglec of rotation are set according to the particular location of levelling staff;
The associated configuration of aerogenerator and illuminator and transport system configuration.
5. aerogenerator slant detection method according to claim 4 is characterized in that, said data acquisition is specially:
Stepper motor in the central control system control robotization digital level rotates, and makes spirit-leveling instrument go to predefined zero-bit, carries out automatic focusing after the spirit-leveling instrument aiming accurately, until making on the graticule of levelling staff bar code ability blur-free imaging at spirit-leveling instrument;
The zero-bit data acquisition makes spirit-leveling instrument go to the next position according to the predefined anglec of rotation and carries out data acquisition, until having gathered all levelling staff data after finishing.
6. aerogenerator slant detection method according to claim 1 and 2 is characterized in that, in data acquisition, whether central control system normally carries out safety check to stepper motor, illuminator and the transmission system work of spirit-leveling instrument.
7. aerogenerator slant detection method according to claim 1; It is characterized in that; Said central control system to the data that collect calculate, Treatment Analysis and polar coordinates convert; And the match polar equation, finally obtain the maximal value of aerogenerator inclination and the step of maximum position and be specially:
The national standard that central control system prestores according to database is judged whether conformance with standard requirement of the data of gathering, as does not meet, and data are gathered again;
As meet; Data to gathering are carried out compensating computation, and the data reduction that Treatment Analysis is crossed is a polar form, through MATLAB software match polar equation; Thereby obtain the maximal value and the maximum position of equation, and converse maximal value and maximum position that aerogenerator tilts.
8. an aerogenerator tilt detecting device is used for detecting maximal value and the maximum position that aerogenerator tilts in real time, it is characterized in that, comprising:
The robotization digital level is used to gather the barcode data on the levelling staff;
Central control system is used for controlling the stepper motor rotation of robotization digital level, makes the robotization digital level sight each levelling staff respectively and carries out data acquisition; Data to gathering are calculated, Treatment Analysis and polar coordinates convert, and the match polar equation, finally obtain maximal value and the maximum position that aerogenerator tilts and carry out safe evaluation and test;
Transmission system is used for data and instruction transmission between robotization digital level and the central control system.
9. aerogenerator tilt detecting device according to claim 8 is characterized in that, also comprises illuminator, is used in testing process being thrown light in the relevant position of detecting.
10. according to Claim 8 or 9 described aerogenerator tilt detecting devices, it is characterized in that said central control system comprises:
Event processing module, be used for initialization setting, the data acquisition control of system and with the data transmission that detects to data processing module;
Data processing module, be used for the data that collect calculate, Treatment Analysis and polar coordinates convert, and match polar equation finally obtains maximal value and maximum position that aerogenerator tilts;
Safety evaluation and test module, the aerogenerator inclination maximal value that is used for having obtained and maximum position and the safety limit of presetting compare, if exceed safety limit, system alarm then.
11. aerogenerator tilt detecting device according to claim 10 is characterized in that, said event processing module specifically comprises:
The system configuration submodule is used for the initialization setting of system, comprises aerogenerator quantity configuration, the configuration of levelling staff quantity, sense cycle and the zero-bit of spirit-leveling instrument, each anglec of rotation are set according to the particular location of levelling staff; The associated configuration of aerogenerator and illuminator and transport system configuration;
The data acquisition submodule is used for the control step motor and rotates, and makes spirit-leveling instrument go to predefined zero-bit, carries out automatic focusing after the spirit-leveling instrument aiming accurately, until making on the graticule of levelling staff bar code ability blur-free imaging at spirit-leveling instrument; The zero-bit data acquisition makes spirit-leveling instrument go to the next position according to the predefined anglec of rotation and carries out data acquisition, until having gathered all levelling staff data after finishing;
The data transmission submodule, data transmission to the data processing module that is used for gathering is in order to carrying out follow-up data processing.
12. aerogenerator tilt detecting device according to claim 11; It is characterized in that; Also comprise system's safety check submodule, be used for whether stepper motor, illuminator and the transmission system work of spirit-leveling instrument are normally carried out safety check at data acquisition.
13. aerogenerator tilt detecting device according to claim 10 is characterized in that, said data processing module specifically comprises:
Judge submodule, the national standard that is used for prestoring according to database is judged whether conformance with standard requirement of the data of gathering;
Calculating sub module; Be used for the image data that conformance with standard requires is carried out compensating computation; The data reduction that Treatment Analysis is crossed is a polar form; Through MATLAB software match polar equation; Thereby obtain the maximal value and the maximum position of equation, and converse maximal value and maximum position that aerogenerator tilts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010245707 CN102346031B (en) | 2010-08-03 | 2010-08-03 | Inclination detection method for wind turbine, and apparatus thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010245707 CN102346031B (en) | 2010-08-03 | 2010-08-03 | Inclination detection method for wind turbine, and apparatus thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102346031A true CN102346031A (en) | 2012-02-08 |
| CN102346031B CN102346031B (en) | 2013-06-26 |
Family
ID=45544922
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010245707 Active CN102346031B (en) | 2010-08-03 | 2010-08-03 | Inclination detection method for wind turbine, and apparatus thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102346031B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105370506A (en) * | 2015-11-16 | 2016-03-02 | 华北电力大学 | Device for monitoring inclination and settlement of tower of wind generation set |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101769735A (en) * | 2008-12-31 | 2010-07-07 | 华为技术有限公司 | Method for monitoring tilt angle and system therefor |
| CN201892536U (en) * | 2010-08-03 | 2011-07-06 | 北京博飞仪器股份有限公司 | Detection device for inclination of wind power generator |
-
2010
- 2010-08-03 CN CN 201010245707 patent/CN102346031B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101769735A (en) * | 2008-12-31 | 2010-07-07 | 华为技术有限公司 | Method for monitoring tilt angle and system therefor |
| CN201892536U (en) * | 2010-08-03 | 2011-07-06 | 北京博飞仪器股份有限公司 | Detection device for inclination of wind power generator |
Non-Patent Citations (4)
| Title |
|---|
| 《中国优秀硕士学位论文全文数据库（电子期刊）》 20080531 张新丽 "基于单片机控制的电子自动安平激光扫平仪的研制" , * |
| 《测绘通报》 20011231 阙江 "激光扫平仪激光水平误差及检测方法的研究" , 第12期 * |
| 张新丽: ""基于单片机控制的电子自动安平激光扫平仪的研制"", 《中国优秀硕士学位论文全文数据库（电子期刊）》 * |
| 阙江: ""激光扫平仪激光水平误差及检测方法的研究"", 《测绘通报》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105370506A (en) * | 2015-11-16 | 2016-03-02 | 华北电力大学 | Device for monitoring inclination and settlement of tower of wind generation set |
| CN105370506B (en) * | 2015-11-16 | 2017-10-10 | 华北电力大学 | A kind of tower frame for wind generating set is tilted and settlement monitoring device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102346031B (en) | 2013-06-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112267980B (en) | Blade clearance monitoring system and method of wind generating set | |
| CN107449393B (en) | Urban rail transit tunnel deformation monitoring system and method | |
| CN106922162B (en) | Method, wind field, controller and the method for controlling cabin yaw system of verificating sensor | |
| CN101655538B (en) | Generator local discharge on-line monitoring device and monitoring method thereof | |
| CN102331320B (en) | Beam pumping unit indicator diagram soft measurement method based on neural network | |
| CN106813584B (en) | Spiral bevel gear key parameter laser detection system and its detection method | |
| CN101914889A (en) | Laser evenness measuring system and method based on acceleration compensation | |
| CN114108717A (en) | Foundation pit enclosure top deformation monitoring system and method based on vision measurement | |
| JP6782777B2 (en) | Control command or event message output methods for wind farms or wind farms, evaluation equipment and systems for that purpose | |
| CN106679599A (en) | Hydroelectric set axis measurement device | |
| CN105376493B (en) | The method and its focusing system of camera focusing in rail space based on view data | |
| CN103792939A (en) | Absolute value encoder signal measuring and control instrument and detection method thereof | |
| CN106370880A (en) | Automatic measuring method and apparatus for rotating speed of motor | |
| CN111580531A (en) | Unmanned aerial vehicle electricity testing method and device for power transmission line | |
| CN112696837A (en) | Debugging and control method for tower type photo-thermal power station | |
| CN102589351B (en) | Digitizing collection device and detection method based on antiaircraft gun operation parameter of weather modification | |
| CN201892536U (en) | Detection device for inclination of wind power generator | |
| CN109115115B (en) | Tunnel displacement detection system and detection calculation method | |
| CN102346031B (en) | Inclination detection method for wind turbine, and apparatus thereof | |
| CN104808165A (en) | Three-in-one electricity meter automatic calibrating system and method for achieving automatic calibration through same | |
| CN109974627A (en) | A kind of calibration grating monitoring system of linear array images formula angle displacement measuring device | |
| CN205002742U (en) | Hoist laser detector of rectifying | |
| CN103914889A (en) | System and method for carrying out anomaly detection on behavior of collecting vehicle speed | |
| CN209264025U (en) | A kind of electric power line pole tower monitoring device and system | |
| CN104975122A (en) | Blast furnace top charge level measuring system and method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: BEIJING BOFEI INSTRUMENT CO., LTD. Free format text: FORMER NAME: BEIJING BOFEI INSTRUMENT CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 100176 No. 2 Xingye street, Beijing economic and Technological Development Zone Patentee after: BEIJING BOFEI INSTRUMENT CO., LTD. Address before: 100176 No. 2 Xingye street, Beijing economic and Technological Development Zone Patentee before: Beijing BoFei Instrument Co., Ltd. |