CN109026554A - A kind of wind-power generating unit tower load measuring system - Google Patents
A kind of wind-power generating unit tower load measuring system Download PDFInfo
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- CN109026554A CN109026554A CN201810882501.5A CN201810882501A CN109026554A CN 109026554 A CN109026554 A CN 109026554A CN 201810882501 A CN201810882501 A CN 201810882501A CN 109026554 A CN109026554 A CN 109026554A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D17/00—Monitoring or testing of wind motors, e.g. diagnostics
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2270/00—Control
- F05B2270/30—Control parameters, e.g. input parameters
- F05B2270/331—Mechanical loads
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- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
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- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The invention discloses a kind of wind-power generating unit tower load measuring systems, including pylon load measurement module, the pylon load measurement module includes tower top load measurement module, load measurement module in tower, tower bottom load measurement module and measuring signal receiving module, the output end of the tower top load measurement module is connect with the input terminal of measuring signal receiving module, the output end of load measurement module is connect with the input terminal of measuring signal receiving module in the tower, the output end of the tower bottom load measurement module is connect with the input terminal of measuring signal receiving module, it is related to technical field of wind power generation.The wind-power generating unit tower load measuring system, the real-time monitoring that can both meet to pylon load is reached, statistical data can be used for providing the purpose of reliable test basis for advanced optimizing for wind power generating set simultaneously, to make up the deficiency that existing pylon load uses theoretical calculation and analogue simulation, the reliability of data is substantially increased.
Description
Technical field
The present invention relates to technical field of wind power generation, specially a kind of wind-power generating unit tower load measuring system.
Background technique
With the continuous development of society, the demand of the energy is continuously increased, wind energy as it is a kind of it is important it is clean, can be again
Very big development has been obtained all over the world for the raw energy, and ratio shared by wind-power electricity generation is also increasing, is increasingly becoming
A kind of conventional energy resource.As single-machine capacity is increasing, tower height is higher and higher, becomes the trend of recent wind-powered electricity generation industry.
In the case where wind-powered electricity generation amount promotes the trend increasingly developed to fining, increasing blower fan pylon height is to promote generated energy for low wind speed area
A kind of directly effective means, so tower design is extremely important a part in unit overall design, pylon is support
The structure of cabin and wind-driven generator components bears all load from each component of wind energy conversion system, it will not only have certain height
Degree, is in wind energy conversion system on ideal position and operates, should also there is enough strength and stiffness, to guarantee in extreme wind regime item
Under part, wind energy conversion system will not be made to topple over.
In existing tower design, its pylon is modeled using ANSYS software, carries out loadometer using Blade software
It calculates, however, there are certain difference, Hen Duoxian between calculated value and real load since field application environment is more complicated
Various objective factors in reality may influence the authenticity of theoretical calculation, excellent as far as possible how under the premise of meeting safety
Change structure, save material cost, be the key that tower design, therefore, judge that pylon real load especially weighs by on-the-spot test
It wants.
Summary of the invention
(1) the technical issues of solving
In view of the deficiencies of the prior art, the present invention provides a kind of wind-power generating unit tower load measuring systems, solve
Since field application environment is more complicated, there are certain difference between calculated value and real load, in many reality
Various objective factors may influence the problem of theoretical calculation authenticity.
(2) technical solution
In order to achieve the above object, the present invention is achieved by the following technical programs: a kind of wind-power generating unit tower load
Lotus measuring system, including pylon load measurement module, the pylon load measurement module include tower top load measurement module, in tower
Load measurement module, tower bottom load measurement module and measuring signal receiving module, the output end of the tower top load measurement module
It is connect with the input terminal of measuring signal receiving module, the output end of load measurement module and measuring signal receiving module in the tower
Input terminal connection, the output end of the tower bottom load measurement module connect with the input terminal of measuring signal receiving module.
Further, the tower top load measurement module include tower top grating fibers stress signal, the first demodulator of PM signal PM,
First traffic filter, the first data acquisition and procession module, the first signal amplifier and the first wireless sending module, the tower
The output end of top light grid fiber stress signal is connect with the input terminal of the first demodulator of PM signal PM, first demodulator of PM signal PM it is defeated
Outlet is connect with the input terminal of the first traffic filter, and the output end of first traffic filter and the first data acquire and locate
Manage the input terminal connection of module, the output end of the first data acquisition and procession module and the input terminal of the first signal amplifier
Connection, the output end of first signal amplifier are connect with the input terminal of the first wireless sending module.
Further, in the tower load measurement module include grating fibers stress signal in tower, second signal demodulator,
Second signal filter, the second data acquisition and procession module, second signal amplifier and the second wireless sending module, the tower
The output end of middle grating fibers stress signal is connect with the input terminal of second signal demodulator, the second signal demodulator it is defeated
Outlet is connect with the input terminal of second signal filter, and the output end of the second signal filter and the second data acquire and locate
Manage the input terminal connection of module, the output end of the second data acquisition and procession module and the input terminal of second signal amplifier
Connection, the output end of the second signal amplifier are connect with the input terminal of the second wireless sending module.
Further, the tower bottom load measurement module include tower bottom grating fibers stress signal, third demodulator of PM signal PM,
Third traffic filter, third data acquisition and procession module, third signal amplifier and third wireless sending module, the tower
The output end of back light grid fiber stress signal is connect with the input terminal of third demodulator of PM signal PM, the third demodulator of PM signal PM it is defeated
Outlet is connect with the input terminal of third traffic filter, output end and third the data acquisition of the third traffic filter and place
Manage the input terminal connection of module, the output end of the third data acquisition and procession module and the input terminal of third signal amplifier
Connection, the output end of the third signal amplifier are connect with the input terminal of third wireless sending module.
Further, the measuring signal receiving module include wireless receiving module, fourth signal amplifier, collector,
PC machine remotely checks module and monitoring system, the output end of the wireless receiving module and the input terminal of fourth signal amplifier
Connection, the output end of the fourth signal amplifier and the input terminal of collector connect, the output end and PC machine of the collector
Input terminal connection, the input terminal of the output end of the monitoring system and PC machine connects, and the output end of the PC machine and monitoring are
The input terminal of system connects, and the output end of the monitoring system and the input terminal of collector connect.
Further, RS232 interface company is all made of between the wireless receiving module, fourth signal amplifier and collector
It connects.
Further, the PC machine and long-range check between module are connected by wind field ring exchanger.
Further, it is connected between the collector and monitoring system using PCB printed circuit board.
(3) beneficial effect
The invention has the following advantages: the wind-power generating unit tower load measuring system, is carried by the tower top
The output end of lotus measurement module is connect with the input terminal of measuring signal receiving module, the output end of load measurement module in the tower
It is connect with the input terminal of measuring signal receiving module, the output end and measuring signal receiving module of the tower bottom load measurement module
Input terminal connection, reached the real-time monitoring that can both meet to pylon load, while statistical data can be used for for wind-power electricity generation
Advanced optimizing for unit provides the purpose of reliable test basis, thus make up existing pylon load using theoretical calculation and
The deficiency of analogue simulation, since traditional load test is generally tested using the method for pasting foil gauge, in test process
It is subjected to the influence of signal interference when middle, so that measuring accuracy reduces, is easy failure in adverse circumstances such as salt fog, wet environment,
Fiber grating have the characteristics that it is small in size, not by electromagnetic interference, corrosion-resistant, stability is high, when fiber grating strain is by stress
When deformation, wavelength will change, and the variable quantity of wavelength and the variable quantity of stress are proportional, can pass through detection fiber
The wavelength change of grating strain transducer can calculate the dependent variable of pylon, furthermore, the party different from traditional single system mode
Formula uses each subsystem distributed unit data acquisition and procession, using wireless transmission method, reduces internal system interference, significantly
Improve the reliability of data.
Certainly, it implements any of the products of the present invention and does not necessarily require achieving all the advantages described above at the same time.
Detailed description of the invention
Fig. 1 is the system principle diagram of pylon load measurement module of the present invention；
Fig. 2 is the system principle diagram of tower top load measurement module of the present invention；
Fig. 3 is the system principle diagram of load measurement module in tower of the present invention；
Fig. 4 is the system principle diagram of tower bottom load measurement module of the present invention；
Fig. 5 is the system principle diagram of measuring signal receiving module of the present invention.
In figure, 1- pylon load measurement module, 2- tower top load measurement module, 21- tower top grating fibers stress signal,
The first demodulator of PM signal PM of 22-, the first traffic filter of 23-, the first data acquisition and procession of 24- module, the amplification of the first signal of 25-
Device, the first wireless sending module of 26-, load measurement module in 3- tower, grating fibers stress signal, 32- second signal in 31- tower
Demodulator, 33- second signal filter, the second data acquisition and procession of 34- module, 35- second signal amplifier, 36- second
Wireless sending module, 4- tower bottom load measurement module, 41- tower bottom grating fibers stress signal, 42- third demodulator of PM signal PM, 43-
Third traffic filter, 44- third data acquisition and procession module, 45- third signal amplifier, 46- third transmit wirelessly mould
Block, 5- measuring signal receiving module, 51- wireless receiving module, 52- fourth signal amplifier, 53- collector, 54-PC machine, 55-
Remotely check module, 56- monitoring system.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that, term " aperture ", "upper", "lower", " thickness ", "top", " in ",
Indicating positions or the positional relationship such as " length ", "inner", " surrounding ", are merely for convenience of description of the present invention and simplification of the description, without
It is that the component of indication or suggestion meaning or element must have a particular orientation, is constructed and operated in a specific orientation, therefore not
It can be interpreted as limitation of the present invention.
Fig. 1-5 is please referred to, the embodiment of the present invention provides a kind of technical solution: a kind of wind-power generating unit tower load measurement
System, including pylon load measurement module 1, the pylon load measurement module 1 in tower top load measurement module 2, tower including carrying
Lotus measurement module 3, tower bottom load measurement module 4 and measuring signal receiving module 5, the output of the tower top load measurement module 2
End is connect with the input terminal of measuring signal receiving module 5, and the output end of load measurement module 3 and measuring signal receive in the tower
The input terminal of module 5 connects, and the output end of the tower bottom load measurement module 4 and the input terminal of measuring signal receiving module 5 connect
It connects, the tower top load measurement module 2 includes tower top grating fibers stress signal 21, the first demodulator of PM signal PM 22, the first signal
Filter 23, the first data acquisition and procession module 24, the first signal amplifier 25 and the first wireless sending module 26, the tower
The output end of top light grid fiber stress signal 21 is connect with the input terminal of the first demodulator of PM signal PM 22, first demodulator of PM signal PM
22 output end is connect with the input terminal of the first traffic filter 23, the output end of first traffic filter 23 and the first number
It is connect according to acquisition with the input terminal of processing module 24, the output end and the first signal of the first data acquisition and procession module 24
The input terminal of amplifier 25 connects, the input terminal of the output end of first signal amplifier 25 and the first wireless sending module 26
It connects, load measurement module 3 includes grating fibers stress signal 31 in tower, the letter of second signal demodulator 32, second in the tower
Number filter 33, the second data acquisition and procession module 34, second signal amplifier 35 and the second wireless sending module 36, it is described
The output end of grating fibers stress signal 31 is connect with the input terminal of second signal demodulator 32 in tower, the second signal demodulation
The output end of device 32 is connect with the input terminal of second signal filter 33, the output end and second of the second signal filter 33
The input terminal of data acquisition and procession module 34 connects, the output end of the second data acquisition and procession module 34 and the second letter
The input terminal connection of number amplifier 35, the input of the output end of the second signal amplifier 35 and the second wireless sending module 36
End connection, the tower bottom load measurement module 4 include tower bottom grating fibers stress signal 41, third demodulator of PM signal PM 42, third
Traffic filter 43, third data acquisition and procession module 44, third signal amplifier 45 and third wireless sending module 46, institute
The output end for stating tower bottom grating fibers stress signal 41 is connect with the input terminal of third demodulator of PM signal PM 42, the third signal solution
The output end of device 42 is adjusted to connect with the input terminal of third traffic filter 43, the output end of the third traffic filter 43 and the
The input terminal of three data acquisition and procession modules 44 connects, the output end and third of the third data acquisition and procession module 44
The input terminal of signal amplifier 45 connects, and the output end of the third signal amplifier 45 is defeated with third wireless sending module 46
Enter end connection, the measuring signal receiving module 5 includes wireless receiving module 51, fourth signal amplifier 52, collector 53, PC
Machine 54 remotely checks module 55 and monitoring system 56, the output end and fourth signal amplifier 52 of the wireless receiving module 51
Input terminal connection, the output end of the fourth signal amplifier 52 connect with the input terminal of collector 53, the collector 53
Output end connect with the input terminal of PC machine 54, the output end of the PC machine 54 is connect with the input terminal for remotely checking module 55,
The output end of the monitoring system 56 is connect with the input terminal of PC machine 54, output end and the collector 53 of the monitoring system 56
Input terminal connection is all made of RS232 interface company between the wireless receiving module 51, fourth signal amplifier 52 and collector 53
It connects, the PC machine 54 and long-range check between module 55 are connected by wind field ring exchanger, the collector 53 and monitoring system
It is connected between system 56 using PCB printed circuit board, 31 and of grating fibers stress signal in tower top grating fibers stress signal 21, tower
Tower bottom grating fibers stress signal 41 is all made of fiber-optic grating sensor and is acquired signal, and three groups of fiber-optic grating sensors use
The point on the basis of cabin zero degree, the orthogonal X in relative position, Y-direction installation, each optical fiber optical grating array include at least three grating light
Fine strain transducer is connected in series, and every group of fiber-optic grating sensor includes the reference value of a measurement environment temperature, for compensating
Strain transducer temperature drift caused by variation of ambient temperature, obtained x-axis dependent variable are ε1、ε2, the y-axis dependent variable measured is
ε3、ε4, calculating process is integrated in load data processing module, data processing module major function be by data prediction, will be each
The strain magnitude and temperature drift value of measurement point are handled, and formula M is passed throughx=(M1-M2)/2 calculate curved under test coordinate system
Square MxWith My, utilize dependent variable ε1、ε2、ε3、ε4X at tower cross section is calculated with bending stiffness, y tests the moment M under coordinate systemxWith
My, wherein calculate the flexural factor of section and bending stiffness according to installation site, wherein DsFor installation site diameter, by following public
Formula calculates: DS=D- (D-h) h/H, inner surface bending coefficientBending normal stresses are M1,2=
Wziε E will test the moment M under coordinate systemxWith MyIt is converted into M of each section of pylon under pylon fixed coordinate systemtiltIt is curved
Square and MrollMoment of flexure, calculation formula are as follows:
Mroll=Mx·cos(αyaw) My·sin(αyaw)=Mx, since αyaw=0
Mtilt=Mx·sin(αyaw)+My·cos(αyaw)=My, since αyaw=0,
Wherein mainly data are collected with the main collector for yaw bearing angle, tower bottom, each measuring unit will calculate
Good each group is sent to collector 53 with by wireless transmission, and PC machine 54 for statistical analysis to data will be checked with timing.
When work, each fiber array includes three fiber-optic grating sensor concatenations, wherein contain a temperature sensor,
Temperature-compensating is carried out with the mode that the strain data of the point subtracts the temperature drift amount of corresponding points, every group of moment of flexure signal is containing a solution
Mode transfer block has photoelectric converting function, wavelength and strain information conversion function, can be telecommunications by the spectrum turns of fiber grating
Number, and it is sent to data processing module, data processing function module is integrated to be embedded in acquisition system, and each subsystem only retains individually
The clean copy of the statistical data of day statistics file searches reason convenient for the system failure in the future, and data volume is smaller will not antithetical phrase
System causes excessive storage burden, real time data by programming by inside the writing modules such as calculation formula, coefficient, bending stiffness,
It obtains real-time load value and is transmitted back in the PC machine 54 of tower bottom by wireless transport module, each subsystem power supply selection is in tower
Take electricity on 230V tower illumination connecting terminal, can uninterrupted power supply, the strain signal after demodulation transmitted by signal filter module
To data processing function module, data processing module carries out processing calculating to stress signal, obtain stress data time series with
Ten minutes statistical data, transfer data to wireless sending module, and data acquisition and procession module passes through RS232 and wireless module
Each module can be arranged to realize wireless network for terminal device or routing device by connection, home control network communication protocol
It establishes, signal transmitting antenna can be mounted in tower wall by sucker, be transmitted to the wireless receiving module of tower bottom, and collector 53 passes through
The clock synchronization to each subsystem is crossed, the load timing and assembly average max min standard deviation value of different sub-systems are merged
File, and being stored in PC machine 54, by 53 system of collector can configure each subsystem channel information, communication interface etc., adopt
Storage 53 is connect with PC machine 54 using serial ports, and monitoring system 56, which is divided, monitors two parts, one with PC machine 54 for the monitoring of collector 53
It is to check whether wireless signal receiving and transmitting signal is normal by PCB logic circuit, pcb board is alarmed if exception occurs in transmission signal,
Mail is remotely sent to user in time after 54 preset sequential monitoring to pcb board information of PC machine, and can realize long-range control with single-chip microcontroller
The operation such as power-off restarting of 24V power supply system processed prevents data transmission blocking and collector crash problem, the second is passing through monitoring
PC, whether timing file and statistics file normally generate on 54, and whether there is or not updates for file in real-time monitoring file, judge task pipe
Whether the EXE program file in reason device is among operation, if having one to be unsatisfactory for is more than that setting time sends report to user
Alert mail, PC machine 54 are connected into booster stations by blower master control interchanger, can remotely check 54 data of PC machine by distributing IP address
And real-time condition.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
Present invention disclosed above preferred embodiment is only intended to help to illustrate the present invention.There is no detailed for preferred embodiment
All details are described, are not limited the invention to the specific embodiments described.Obviously, according to the content of this specification,
It can make many modifications and variations.These embodiments are chosen and specifically described to this specification, is in order to better explain the present invention
Principle and practical application, so that skilled artisan be enable to better understand and utilize the present invention.The present invention is only
It is limited by claims and its full scope and equivalent.
Claims (8)
1. a kind of wind-power generating unit tower load measuring system, including pylon load measurement module (1), it is characterised in that: institute
Stating pylon load measurement module (1) includes tower top load measurement module (2), load measurement module (3), tower bottom load measurement in tower
Module (4) and measuring signal receiving module (5), the output end and measuring signal of the tower top load measurement module (2) receive mould
The input terminal of block (5) connects, the input of the output end of load measurement module (3) and measuring signal receiving module (5) in the tower
End connection, the output end of the tower bottom load measurement module (4) are connect with the input terminal of measuring signal receiving module (5).
2. a kind of wind-power generating unit tower load measuring system according to claim 1, it is characterised in that: the tower top
Load measurement module (2) includes tower top grating fibers stress signal (21), the first demodulator of PM signal PM (22), the first traffic filter
(23), the first data acquisition and procession module (24), the first signal amplifier (25) and the first wireless sending module (26), it is described
The output end of tower top grating fibers stress signal (21) is connect with the input terminal of the first demodulator of PM signal PM (22), first signal
The output end of demodulator (22) is connect with the input terminal of the first traffic filter (23), first traffic filter (23) it is defeated
Outlet is connect with the input terminal of the first data acquisition and procession module (24), the first data acquisition and procession module (24)
Output end is connect with the input terminal of the first signal amplifier (25), the output end and the first nothing of first signal amplifier (25)
The input terminal of line sending module (26) connects.
3. a kind of wind-power generating unit tower load measuring system according to claim 1, it is characterised in that: in the tower
Load measurement module (3) includes grating fibers stress signal (31) in tower, second signal demodulator (32), second signal filter
(33), the second data acquisition and procession module (34), second signal amplifier (35) and the second wireless sending module (36), it is described
The output end of grating fibers stress signal (31) is connect with the input terminal of second signal demodulator (32) in tower, the second signal
The output end of demodulator (32) is connect with the input terminal of second signal filter (33), the second signal filter (33) it is defeated
Outlet is connect with the input terminal of the second data acquisition and procession module (34), the second data acquisition and procession module (34)
Output end is connect with the input terminal of second signal amplifier (35), the output end and the second nothing of the second signal amplifier (35)
The input terminal of line sending module (36) connects.
4. a kind of wind-power generating unit tower load measuring system according to claim 1, it is characterised in that: the tower bottom
Load measurement module (4) includes tower bottom grating fibers stress signal (41), third demodulator of PM signal PM (42), third traffic filter
(43), third data acquisition and procession module (44), third signal amplifier (45) and third wireless sending module (46), it is described
The output end of tower bottom grating fibers stress signal (41) is connect with the input terminal of third demodulator of PM signal PM (42), the third signal
The output end of demodulator (42) is connect with the input terminal of third traffic filter (43), the third traffic filter (43) it is defeated
Outlet is connect with the input terminal of third data acquisition and procession module (44), the third data acquisition and procession module (44)
Output end is connect with the input terminal of third signal amplifier (45), the output end of the third signal amplifier (45) and third without
The input terminal of line sending module (46) connects.
5. a kind of wind-power generating unit tower load measuring system according to claim 1, it is characterised in that: the measurement
Signal receiving module (5) includes wireless receiving module (51), fourth signal amplifier (52), collector (53), PC machine (54), remote
Journey checks module (55) and monitoring system (56), output end and fourth signal amplifier (52) of the wireless receiving module (51)
Input terminal connection, the output end of the fourth signal amplifier (52) connect with the input terminal of collector (53), the acquisition
The output end of device (53) is connect with the input terminal of PC machine (54), and the output end of the PC machine (54) checks module (55) with long-range
Input terminal connection, the output end of the monitoring system (56) are connect with the input terminal of PC machine (54), the monitoring system (56)
Output end is connect with the input terminal of collector (53).
6. a kind of wind-power generating unit tower load measuring system according to claim 5, it is characterised in that: described wireless
RS232 interface connection is all made of between receiving module (51), fourth signal amplifier (52) and collector (53).
7. a kind of wind-power generating unit tower load measuring system according to claim 5, it is characterised in that: the PC machine
(54) it and remotely checks between module (55) and is connected by wind field ring exchanger.
8. a kind of wind-power generating unit tower load measuring system according to claim 5, it is characterised in that: the acquisition
It is connected between device (53) and monitoring system (56) using PCB printed circuit board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810882501.5A CN109026554B (en) | 2018-08-06 | 2018-08-06 | Wind generating set pylon load measurement system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810882501.5A CN109026554B (en) | 2018-08-06 | 2018-08-06 | Wind generating set pylon load measurement system |
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| Publication Number | Publication Date |
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| CN109026554A true CN109026554A (en) | 2018-12-18 |
| CN109026554B CN109026554B (en) | 2020-06-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810882501.5A Active CN109026554B (en) | 2018-08-06 | 2018-08-06 | Wind generating set pylon load measurement system |
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| CN110160682A (en) * | 2019-06-17 | 2019-08-23 | 三一重能有限公司 | A kind of load monitoring system and method |
| CN114518295A (en) * | 2020-11-19 | 2022-05-20 | 中车株洲电力机车研究所有限公司 | Tower load measuring method, device and system |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN109026554B (en) | 2020-06-23 |
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