CN106802182A - A kind of calibration method of transmission line of electricity aeolian vibration on-Line Monitor Device - Google Patents
A kind of calibration method of transmission line of electricity aeolian vibration on-Line Monitor Device Download PDFInfo
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- CN106802182A CN106802182A CN201510835540.6A CN201510835540A CN106802182A CN 106802182 A CN106802182 A CN 106802182A CN 201510835540 A CN201510835540 A CN 201510835540A CN 106802182 A CN106802182 A CN 106802182A
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- vibration
- vibrational excitation
- monitor device
- transmission line
- line monitor
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H17/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves, not provided for in the preceding groups
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- General Physics & Mathematics (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Abstract
The invention provides a kind of calibration method of transmission line of electricity aeolian vibration on-Line Monitor Device, including step 1：Transmission line of electricity aeolian vibration on-Line Monitor Device is connected with measurement standard；Step 2：The vibrational excitation frequency and vibrational excitation amplitude of measurement standard output are set；Step 3：The measured value of transmission line of electricity aeolian vibration on-Line Monitor Device is gathered, the measured value is compared with the real output value of measurement standard.Compared with prior art, a kind of calibration method of transmission line of electricity aeolian vibration on-Line Monitor Device that the present invention is provided, can at utmost transmission line simulation aeolian vibration on-Line Monitor Device actual condition, so that the data of transmission line of electricity aeolian vibration on-Line Monitor Device measurement make its collecting unit relative to the Relative Vibration data at its mounting interface, closer to practical application.
Description
Technical field
The present invention relates to transmission line of electricity on-line monitoring technique field, and in particular to a kind of transmission line of electricity aeolian vibration on-Line Monitor Device
Calibration method.
Background technology
The periodic vibration that a gentle wind springing up power transmission line is produced, if not taking vibration protection, it is possible to cause wire fatigue stranded,
Have a strong impact on line security.At present, power generation department is typically entered with aeolian vibration on-Line Monitor Device to power transmission line Vibration Condition
Row measurement in real time and monitoring, so as to select suitable vibration protection.But existing transmission line of electricity aeolian vibration on-Line Monitor Device
Measurement to conductor vibration situation cannot ensure the reliability of measurement result.Reason is, for aeolian vibration on-Line Monitor Device
Calibration, be mainly directed towards vibration acquisition unit i.e. vibrating sensor, can not directly calibrate whole aeolian vibration on-line monitoring dress
Put.
For the present situation of current power transmission circuit aeolian vibration on-Line Monitor Device calibration operation, a set of perfect method pair of proposition is needed badly
Transmission line of electricity aeolian vibration on-Line Monitor Device carries out overall detection.
The content of the invention
The need in order to meet prior art, the invention provides a kind of calibration side of transmission line of electricity aeolian vibration on-Line Monitor Device
Method.
The technical scheme is that：
Methods described includes：
Step 1：The transmission line of electricity aeolian vibration on-Line Monitor Device is connected with measurement standard；
Step 2：The vibrational excitation frequency and vibrational excitation amplitude of the measurement standard output are set；
Step 3：The measured value of the transmission line of electricity aeolian vibration on-Line Monitor Device is gathered, by the measured value and the metering mark
The real output value of quasi- device is compared.
Preferably, the measurement standard includes host computer and slave computer；
The host computer includes man-machine interface operation module, for setting the vibrational excitation frequency and vibration amplitude；
The slave computer includes exciting module, vibration measuring module and test interface；The exciting module is used to provide vibrational excitation signal,
The vibration measuring module is used to measure the frequency and amplitude of the vibrational excitation signal, and the test interface is micro- for connecting transmission line of electricity
Wind vibration on-line monitoring device.
Preferably, the man-machine interface operation module includes that vibrational excitation output parameter sets submodule, vibration-measuring sensor parameter and sets
Put submodule and vibrational excitation control submodule；
The vibrational excitation output parameter sets submodule, for setting the vibrational excitation frequency and vibration amplitude；
The vibration-measuring sensor parameter setting submodule, the parameter for setting the vibration measuring module Plays sensor；
The vibrational excitation control submodule, for being sent to slave computer, vibrational excitation starts operational order and vibrational excitation terminates behaviour
Instruct, and show the frequency and amplitude of vibrational excitation in real time；
Preferably, the exciting module includes vibration source, digit counter, signal generator and power amplifier；
The signal generator, for producing sinusoidal signal；
The power amplifier, is amplified to the sinusoidal signal, and the sinusoidal signal after amplification is sent to vibration source；
The vibration source, vibrational excitation is exported according to the sinusoidal signal after the amplification；
The digit counter, for gathering the sinusoidal signal after the amplification, exports the frequency values of the vibrational excitation.
Preferably, the vibration measuring module includes standard transducer, amplifier and digital voltmeter；
The standard transducer, the amplitude for measuring vibrational excitation, and output voltage signal；
The amplifier, is amplified to the voltage signal, and the voltage signal after amplification is sent to digital voltmeter；
The digital voltmeter, measures the voltage signal, obtains the amplitude of vibrational excitation.
Preferably, the test interface bag analog conducting wire and base, the analog conducting wire are connected with base；
The base is connected with the base of vibration source in the exciting module.
Preferably, adopted between the base of vibration source between the analog conducting wire and base, and in the base and exciting module
With being rigidly connected for nonelastic deformation.
Compared with immediate prior art, excellent effect of the invention is：
1st, the calibration method of a kind of transmission line of electricity aeolian vibration on-Line Monitor Device that the present invention is provided, sets in measurement standard and surveys
Try mouth, it is possible to achieve to the piece calibration of transmission line of electricity aeolian vibration on-Line Monitor Device；
2nd, a kind of calibration method of transmission line of electricity aeolian vibration on-Line Monitor Device that the present invention is provided, can at utmost simulate defeated
The actual condition of electric line aeolian vibration on-Line Monitor Device so that the data of transmission line of electricity aeolian vibration on-Line Monitor Device measurement
Make its collecting unit relative to the Relative Vibration data at its mounting interface, closer to practical application.
Brief description of the drawings
The present invention is further described below in conjunction with the accompanying drawings.
Fig. 1：A kind of calibration method principle schematic of transmission line of electricity aeolian vibration on-Line Monitor Device in the embodiment of the present invention；
Fig. 2：Slave computer structural representation in the embodiment of the present invention；
Fig. 3：A kind of calibration method flow chart of transmission line of electricity aeolian vibration on-Line Monitor Device in the embodiment of the present invention.
Specific embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein it is identical from start to finish or
Similar label represents same or similar element or the element with same or like function.Below with reference to Description of Drawings
Embodiment is exemplary, it is intended to for explaining the present invention, and be not considered as limiting the invention.
A kind of embodiment of the calibration method of transmission line of electricity aeolian vibration on-Line Monitor Device that the present invention is provided is as shown in figure 3, tool
Body is：
1st, transmission line of electricity aeolian vibration on-Line Monitor Device is connected with measurement standard.
As shown in figure 1, measurement standard includes host computer and slave computer in the present embodiment.Wherein,
(1) host computer includes man-machine interface operation module, for setting vibrational excitation frequency and vibration amplitude.Man-machine interface operates mould
Block includes that vibrational excitation output parameter sets submodule, vibration-measuring sensor parameter setting submodule and vibrational excitation control submodule.
①：Vibrational excitation output parameter sets submodule, for setting vibrational excitation frequency and vibration amplitude；
②：Vibration-measuring sensor parameter setting submodule, the parameter for setting vibration measuring module Plays sensor；
③：Vibrational excitation control submodule, for being sent to slave computer, vibrational excitation starts operational order and vibrational excitation terminates behaviour
Instruct, and show the frequency and amplitude of vibrational excitation in real time.
(2) as illustrated in fig. 1 and 2, slave computer includes exciting module, vibration measuring module and test interface.
①：Exciting module is used to provide vibrational excitation signal.
Exciting module includes vibration source, digit counter, signal generator and power amplifier in the present embodiment.
Signal generator, for producing sinusoidal signal；
Power amplifier, is amplified to the sinusoidal signal, and the sinusoidal signal after amplification is sent to vibration source；
Vibration source, according to the sinusoidal signal output vibrational excitation after amplifying；
Digit counter, for gathering the sinusoidal signal after amplifying, exports the frequency values of the vibrational excitation, and the frequency values are
The frequency standard value of measurement standard.
②：Vibration measuring module, frequency and amplitude for measuring vibrational excitation signal；
Vibration measuring module includes standard transducer, amplifier and digital voltmeter in the present embodiment.
Standard transducer, the amplitude for measuring vibrational excitation, and output voltage signal；
Amplifier, is amplified to the voltage signal, and the voltage signal after amplification is sent to digital voltmeter；
Digital voltmeter, measurement voltage signal obtains the amplitude of vibrational excitation, and the amplitude is the amplitude of measurement standard
Standard value.
③：Test interface, for connecting transmission line of electricity aeolian vibration on-Line Monitor Device.
Red test interface bag analog conducting wire and base in the present embodiment, analog conducting wire are connected with base.
Base is connected with the base of vibration source in exciting module.
Wherein, use nonelastic between analog conducting wire and base, and in the base and exciting module between the base of vibration source
Deformation is rigidly connected.
The 2nd, the vibrational excitation frequency and vibrational excitation amplitude of measurement standard output be set.
3rd, the measured value of transmission line of electricity aeolian vibration on-Line Monitor Device is gathered, by the measured value and the reality output of measurement standard
Value is compared, and calibration is stopped if comparative result meets alignment requirements.
The parameter area that the calibration method of transmission line of electricity aeolian vibration on-Line Monitor Device can reach in the present embodiment is：
Vibrational excitation frequency measurement scope：0~200Hz, the limits of error：± (3% × reading+5Hz)；
Vibrational excitation amplitude measurement scope：5mm (p-p), the limits of error：± (3% × reading+5mm).
Finally it should be noted that：Described embodiment is only some embodiments of the present application, rather than whole embodiments.
Based on the embodiment in the application, those of ordinary skill in the art obtained under the premise of creative work is not made it is all its
His embodiment, belongs to the scope of the application protection.
Claims (7)
1. a kind of calibration method of transmission line of electricity aeolian vibration on-Line Monitor Device, it is characterised in that methods described includes：
Step 1：The transmission line of electricity aeolian vibration on-Line Monitor Device is connected with measurement standard；
Step 2：The vibrational excitation frequency and vibrational excitation amplitude of the measurement standard output are set；
Step 3：The measured value of the transmission line of electricity aeolian vibration on-Line Monitor Device is gathered, the measured value is compared with the real output value of the measurement standard.
2. a kind of calibration method of transmission line of electricity aeolian vibration on-Line Monitor Device as claimed in claim 1, it is characterised in that the measurement standard includes host computer and slave computer；
The host computer includes man-machine interface operation module, for setting the vibrational excitation frequency and vibration amplitude；
The slave computer includes exciting module, vibration measuring module and test interface；The exciting module is used to provide vibrational excitation signal, and the vibration measuring module is used to measure the frequency and amplitude of the vibrational excitation signal, and the test interface is used to connect transmission line of electricity aeolian vibration on-Line Monitor Device.
3. a kind of calibration method of transmission line of electricity aeolian vibration on-Line Monitor Device as claimed in claim 2, characterized in that, the man-machine interface operation module includes that vibrational excitation output parameter sets submodule, vibration-measuring sensor parameter setting submodule and vibrational excitation control submodule；
The vibrational excitation output parameter sets submodule, for setting the vibrational excitation frequency and vibration amplitude；
The vibration-measuring sensor parameter setting submodule, the parameter for setting the vibration measuring module Plays sensor；
The vibrational excitation control submodule, for being sent to slave computer, vibrational excitation starts operational order and vibrational excitation end operation is instructed, and shows the frequency and amplitude of vibrational excitation in real time.
4. a kind of calibration method of transmission line of electricity aeolian vibration on-Line Monitor Device as claimed in claim 2, it is characterised in that the exciting module includes vibration source, digit counter, signal generator and power amplifier；
The signal generator, for producing sinusoidal signal；
The power amplifier, is amplified to the sinusoidal signal, and the sinusoidal signal after amplification is sent to vibration source；
The vibration source, vibrational excitation is exported according to the sinusoidal signal after the amplification；
The digit counter, for gathering the sinusoidal signal after the amplification, exports the frequency values of the vibrational excitation.
5. a kind of calibration method of transmission line of electricity aeolian vibration on-Line Monitor Device as claimed in claim 2, it is characterised in that the vibration measuring module includes standard transducer, amplifier and digital voltmeter；
The standard transducer, the amplitude for measuring vibrational excitation, and output voltage signal；
The amplifier, is amplified to the voltage signal, and the voltage signal after amplification is sent to digital voltmeter；
The digital voltmeter, measures the voltage signal, obtains the amplitude of vibrational excitation.
6. a kind of calibration method of transmission line of electricity aeolian vibration on-Line Monitor Device as claimed in claim 2, it is characterised in that the test interface bag analog conducting wire and base, the analog conducting wire are connected with base；
The base is connected with the base of vibration source in the exciting module.
7. a kind of calibration method of transmission line of electricity aeolian vibration on-Line Monitor Device as claimed in claim 6, it is characterized in that, between the analog conducting wire and base, and equal being rigidly connected using nonelastic deformation between the base of vibration source in the base and exciting module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510835540.6A CN106802182B (en) | 2015-11-26 | 2015-11-26 | Calibration method of power transmission line breeze vibration online monitoring device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510835540.6A CN106802182B (en) | 2015-11-26 | 2015-11-26 | Calibration method of power transmission line breeze vibration online monitoring device |
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| Publication Number | Publication Date |
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| CN106802182A true CN106802182A (en) | 2017-06-06 |
| CN106802182B CN106802182B (en) | 2020-02-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510835540.6A Active CN106802182B (en) | 2015-11-26 | 2015-11-26 | Calibration method of power transmission line breeze vibration online monitoring device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108375415A (en) * | 2018-01-31 | 2018-08-07 | 国网重庆市电力公司电力科学研究院 | Transmission line of electricity aero-vibration monitoring device calibration method under a kind of site environment |
| CN109406083A (en) * | 2018-11-08 | 2019-03-01 | 国网新疆电力有限公司电力科学研究院 | A kind of overhanging golden tool string wind excited vibration Wearing Simulated Test platform |
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| CN201955150U (en) * | 2010-12-23 | 2011-08-31 | 安徽省电力科学研究院 | Digital multifunctional vibration calibration system |
| CN102221401A (en) * | 2011-04-15 | 2011-10-19 | 易孟良 | Vibration test stand and testing method for vibration sensor |
| CN202195877U (en) * | 2011-07-23 | 2012-04-18 | 浙江大学 | Automatic calibration device of digimatic vibration meter |
| CN202748127U (en) * | 2012-07-31 | 2013-02-20 | 云南电力试验研究院（集团）有限公司电力研究院 | Full-automatic verification system of handheld working vibration meter |
| WO2015031388A1 (en) * | 2013-08-26 | 2015-03-05 | University Of Florida Research Foundation Inc. | Method and apparatus for measuring thrust |
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2015
- 2015-11-26 CN CN201510835540.6A patent/CN106802182B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201724734U (en) * | 2010-07-08 | 2011-01-26 | 中国航空动力机械研究所 | Calibrating system for vibrating strain test system |
| CN201955150U (en) * | 2010-12-23 | 2011-08-31 | 安徽省电力科学研究院 | Digital multifunctional vibration calibration system |
| CN102221401A (en) * | 2011-04-15 | 2011-10-19 | 易孟良 | Vibration test stand and testing method for vibration sensor |
| CN202195877U (en) * | 2011-07-23 | 2012-04-18 | 浙江大学 | Automatic calibration device of digimatic vibration meter |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108375415A (en) * | 2018-01-31 | 2018-08-07 | 国网重庆市电力公司电力科学研究院 | Transmission line of electricity aero-vibration monitoring device calibration method under a kind of site environment |
| CN109406083A (en) * | 2018-11-08 | 2019-03-01 | 国网新疆电力有限公司电力科学研究院 | A kind of overhanging golden tool string wind excited vibration Wearing Simulated Test platform |
| CN109406083B (en) * | 2018-11-08 | 2023-12-05 | 国网新疆电力有限公司电力科学研究院 | Suspension string hardware wind excitation vibration abrasion simulation test platform |
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| CN106802182B (en) | 2020-02-18 |
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