CN111256932A - GIS vibration signal continuous acquisition method and system based on LabVIEW platform - Google Patents
GIS vibration signal continuous acquisition method and system based on LabVIEW platform Download PDFInfo
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- CN111256932A CN111256932A CN202010144123.8A CN202010144123A CN111256932A CN 111256932 A CN111256932 A CN 111256932A CN 202010144123 A CN202010144123 A CN 202010144123A CN 111256932 A CN111256932 A CN 111256932A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
- G01M7/02—Vibration-testing by means of a shake table
- G01M7/025—Measuring arrangements
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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
Abstract
The embodiment of the application provides a GIS vibration signal continuous collection method and system based on LabVIEW platform, through the connection of acceleration sensor, collection card, computer, fix acceleration sensor on the GIS casing surface that is detected through the magnetism seat, acquire and transmit through the collection card the vibration signal of GIS that is detected, vibration signal is according to acceleration sensor gathers, carries out spectral analysis through the computer to online continuous vibration signal, online continuous vibration signal is according to the collection card transmission is acquireed, according to right online continuous vibration signal carries out spectral analysis, judges whether the inside mechanical fault that produces of GIS that is detected realizes online real-time supervision GIS vibration signal to can save once data at an interval of time, through carrying out signal processing analysis to data, predict GIS mechanical fault.
Description
Technical Field
The application relates to the field of GIS online monitoring, in particular to a GIS vibration signal continuous acquisition method and system based on a LabVIEW platform.
Background
The GAS INSULATED metal enclosed SWITCHGEAR (GIS) is more and more widely applied to a power grid, and has important significance in order to ensure the safe operation of the GIS, prolong the maintenance period and research and predict the detection method of the internal latent fault.
In the operation process of the GIS, defects such as metal spikes, particles and the like can occur due to the problems of manufacturing and installation, the existing detection technology mainly applies an acceleration sensor to detect the GIS to generate a vibration signal, a vibration method is used as a conventional state monitoring and fault diagnosis method and is applied to the state monitoring of the power equipment, and the vibration is used as an inherent attribute of the power equipment GIS, so that the low-frequency vibration caused by mechanical faults can be reflected, and the high-frequency vibration caused by insulation faults can also be reflected.
However, in the existing GIS vibration signal acquisition systems, operators only acquire signals within a period of time for analysis and processing, but due to uncertainty of faults of the GIS, operation and maintenance personnel may not detect the faults during periodic detection, and further cannot timely take corresponding measures to prevent situation deterioration, abnormal mechanical vibration is generated, and mechanical faults are caused.
Disclosure of Invention
The application provides a GIS vibration signal continuous acquisition method and a system based on a LabVIEW platform, aiming at the defects of the existing acquisition mode, data are continuously monitored on line and stored once at intervals, signal analysis processing is carried out on the data to detect the defect fault condition of the GIS, and the problem that the situation deterioration is prevented and mechanical faults are caused because corresponding measures cannot be timely taken due to the fact that the faults are not detected is solved.
In order to achieve the above purpose, the embodiments of the present application adopt the following technical solutions:
in a first aspect, a method for continuously acquiring a GIS vibration signal based on a LabVIEW platform is provided, which includes:
fixing an acceleration sensor on the outer surface of a detected GIS shell for collecting a vibration signal of the detected GIS;
acquiring and transmitting a vibration signal of the detected GIS through an acquisition card;
continuously acquiring the vibration signal of the detected GIS acquired by the acquisition card on line through a computer, and performing spectrum analysis;
and according to the on-line continuous vibration signal, carrying out spectrum analysis, and judging whether the detected GIS has mechanical fault. Optionally, the vibration signal data acquired by the acceleration sensor is stored at intervals, and the GIS mechanical fault is predicted by processing and analyzing the data proceeding signal.
Optionally, the vibration signal of the detected GIS acquired by the acquisition card is continuously acquired on line, and acquired and stored by setting acquisition interval time, sampling time and storage interval time.
In a second aspect, a system for continuously acquiring a GIS vibration signal based on a LabVIEW platform is provided, which is applied to the method for continuously acquiring a GIS vibration signal based on a LabVIEW platform provided in the first aspect, and includes: the system comprises an acceleration sensor, a collection card and a computer;
the acceleration sensor is fixed on the outer surface of the detected GIS shell and used for continuously collecting vibration signals generated by the GIS;
the input end of the acquisition card is connected with the acceleration sensor, and the output end of the acquisition card is connected with the computer and used for receiving the vibration signals acquired by the acceleration sensor.
Optionally, the acquisition card is an NI9234 acquisition card.
Optionally, the acceleration sensor is fixed on the outer surface of the detected GIS housing: and the acceleration sensor is fixed on the outer surface of the detected GIS shell through a magnetic seat.
Optionally, the input end of the acquisition card is connected with the acceleration sensor: the input end of the acquisition card is connected with the acceleration sensor through the electric conversion head.
Optionally, the electrical adapter is a BNC adapter.
Optionally, the output end of the acquisition card is connected with a computer: and the output end of the acquisition card is connected with a computer through a USB interface.
Optionally, the computer is configured to read and store a vibration signal acquired by the acceleration sensor, perform spectrum analysis on the vibration signal, and determine a mechanical fault.
The embodiment of the application provides a GIS vibration signal continuous acquisition method and system based on a LabVIEW platform, wherein an acceleration sensor is fixed on the outer surface of a detected GIS shell through a magnetic seat through connection of the acceleration sensor, an acquisition card and a computer, a vibration signal of the detected GIS is acquired and transmitted through the acquisition card, the vibration signal is acquired according to the acceleration sensor, online continuous vibration signals are subjected to spectrum analysis through the computer, the online continuous vibration signals are acquired through transmission of the acquisition card, and whether the detected GIS has mechanical faults or not is judged according to the spectrum analysis of the online continuous vibration signals; the GIS vibration signal can be monitored on line in real time, data can be stored once at intervals, signal processing and analysis are carried out on the data, and GIS mechanical faults are predicted.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a flowchart of a method for continuously acquiring a GIS vibration signal based on a LabVIEW platform according to an embodiment of the present application;
fig. 2 is a structural diagram of a GIS vibration signal continuous acquisition system based on a LabVIEW platform according to an embodiment of the present application;
fig. 3 is a LabVIEW page of a GIS vibration signal continuous acquisition system based on a LabVIEW platform according to an embodiment of the present application.
Wherein, 1-gas insulated metal enclosed switchgear (GIS); 2-an acceleration sensor; 3-NI9234 acquisition card; 4-computer.
Detailed Description
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in sequences other than those illustrated or described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
The present application is described in further detail below with reference to the attached drawing figures:
example one
The embodiment of the application provides a GIS vibration signal continuous acquisition method based on a LabVIEW platform, which is used in the field of GIS online monitoring and is shown in figure 1, and the GIS vibration signal continuous acquisition method based on the LabVIEW platform comprises the following steps:
101. and fixing an acceleration sensor on the outer surface of the detected GIS shell for collecting the vibration signal of the detected GIS.
Specifically, the fixing method is magnetic seat connection.
102. And acquiring and transmitting the vibration signal of the detected GIS through an acquisition card.
103. And continuously acquiring the vibration signal of the detected GIS acquired by the acquisition card on line through a computer, and performing spectrum analysis.
Specifically, the vibration signal of the detected GIS acquired by the acquisition card is continuously acquired on line, and is acquired and stored by setting acquisition interval time, sampling time and storage interval time.
104. And judging whether the detected GIS generates mechanical failure or not according to the frequency spectrum analysis of the online continuous vibration signal.
The method can also comprise the following steps: and storing the vibration signal data acquired by the acceleration sensor at intervals, and predicting the mechanical fault of the GIS by processing and analyzing data advancing signals.
The embodiment of the application provides a GIS vibration signal continuous acquisition method based on a LabVIEW platform, wherein an acceleration sensor is fixed on the outer surface of a detected GIS shell through a magnetic seat, a vibration signal of the detected GIS is acquired and transmitted through an acquisition card, the vibration signal is acquired according to the acceleration sensor, online continuous vibration signals are subjected to spectrum analysis through a computer, the online continuous vibration signals are acquired according to the acquisition card, and whether mechanical faults occur in the detected GIS is judged according to the spectrum analysis of the online continuous vibration signals; the GIS vibration signal can be monitored on line in real time, data can be stored once at intervals, signal processing and analysis are carried out on the data, and GIS mechanical faults are predicted.
Example two
The embodiment of the application provides a GIS vibration signal continuous acquisition system based on LabVIEW platform for GIS1 on-line monitoring field, refer to FIG. 2, the system includes: an acceleration sensor 2, a collection card and a computer 4;
wherein, the acquisition card is an NI9234 acquisition card 3.
And the acceleration sensor is fixed on the outer surface of the detected GIS shell and is used for continuously acquiring vibration signals generated by the GIS.
Specifically, the acceleration sensor is fixed on the detected GIS shell outer surface through the magnetic base, so that different GIS devices can be switched conveniently for measurement, and the connection is stable.
The input end of the acquisition card is connected with the acceleration sensor 2, and the output end of the acquisition card is connected with the computer 4 and used for receiving the vibration signals acquired by the acceleration sensor 2.
Specifically, the input end of the acquisition card is connected with the acceleration sensor 2 through an electrical converter head, and the electrical converter head is a BNC electrical converter head.
Specifically, the output end of the acquisition card is connected with the computer 4 through a USB interface.
And the computer 4 is used for reading and storing the vibration signals acquired by the acceleration sensor 2, and performing spectrum analysis on the vibration signals for judging mechanical faults.
A GIS vibration signal continuous acquisition system based on a LabVIEW platform sets sampling interval time, acquisition time and storage interval time once, so that data with a certain length are stored at certain intervals, vibration signals of a GIS running in different periods are stored while continuous acquisition is carried out, the storage space of a computer 4 is better utilized, and the problem of occupation of the storage space of the computer 4 is reduced.
The actual working process is as follows:
fixing the acceleration sensor 2 at a measuring point position on the outer surface of the GIS shell through a magnetic seat, and collecting an integral vibration signal of the GIS1 equipment due to mechanical defects; monitoring GIS vibration signals in real time on line and storing data at intervals; and carrying out signal processing and analysis on the data, and predicting the mechanical fault of the GIS.
The method realizes online real-time monitoring of GIS vibration signals, can store data once at intervals, processes and analyzes the data, and predicts GIS mechanical faults
As shown in fig. 3, the display interface of the LabVIEW platform-based GIS vibration signal continuous acquisition system can set a sampling interval, a sampling event, and an interval time, and can be adjusted according to a specific use process and equipment; the system page can display the recording state and the data storage state, display the recording curve in real time and display the waveform chart after the frequency spectrum analysis.
The embodiment of the application provides a GIS vibration signal continuous acquisition system based on a LabVIEW platform, wherein an acceleration sensor, an acquisition card and a computer are connected, and the acceleration sensor is fixed on the outer surface of a detected GIS shell through a magnetic seat and is used for continuously acquiring vibration signals generated by the GIS; the input end of the acquisition card is connected with the acceleration sensor, and the output end of the acquisition card is connected with the computer and is used for receiving the vibration signal acquired by the acceleration sensor, and judging whether the detected GIS has mechanical fault or not according to the frequency spectrum analysis of the online continuous vibration signal; the GIS vibration signal can be monitored on line in real time, data can be stored once at intervals, signal processing and analysis are carried out on the data, and GIS mechanical faults are predicted.
The above-mentioned contents are only for explaining the technical idea of the present application, and the protection scope of the present application is not limited thereby, and any modification made on the basis of the technical idea presented in the present application falls within the protection scope of the claims of the present application.
Additionally, the order in which elements and sequences of the processes described herein are processed, the use of alphanumeric characters, or the use of other designations, is not intended to limit the order of the processes and methods described herein, unless explicitly claimed. While various presently contemplated embodiments of the invention have been discussed in the foregoing disclosure by way of example, it is to be understood that such detail is solely for that purpose and that the appended claims are not limited to the disclosed embodiments, but, on the contrary, are intended to cover all modifications and equivalent arrangements that are within the spirit and scope of the embodiments herein. For example, although the system components described above may be implemented by hardware devices, they may also be implemented by software-only solutions, such as installing the described system on an existing server or mobile device.
Similarly, it should be noted that in the preceding description of embodiments of the application, various features are sometimes grouped together in a single embodiment, figure, or description thereof for the purpose of streamlining the disclosure aiding in the understanding of one or more of the embodiments. This method of disclosure, however, is not intended to require more features than are expressly recited in the claims. Indeed, the embodiments may be characterized as having less than all of the features of a single embodiment disclosed above.
The entire contents of each patent, patent application publication, and other material cited in this application, such as articles, books, specifications, publications, documents, and the like, are hereby incorporated by reference into this application. Except where the application is filed in a manner inconsistent or contrary to the present disclosure, and except where the claim is filed in its broadest scope (whether present or later appended to the application) as well. It is noted that the descriptions, definitions and/or use of terms in this application shall control if they are inconsistent or contrary to the statements and/or uses of the present application in the material attached to this application.
Claims (10)
1. A GIS vibration signal continuous acquisition method based on a LabVIEW platform is characterized by comprising the following steps:
fixing an acceleration sensor on the outer surface of a detected GIS shell for collecting a vibration signal of the detected GIS;
acquiring and transmitting a vibration signal of the detected GIS through an acquisition card;
continuously acquiring the vibration signal of the detected GIS acquired by the acquisition card on line through a computer, and performing spectrum analysis;
and according to the on-line continuous vibration signal, carrying out spectrum analysis, and judging whether the detected GIS has mechanical fault.
2. The method for continuously collecting the GIS vibration signal based on the LabVIEW platform as claimed in claim 1, further comprising:
and storing the vibration signal data acquired by the acceleration sensor at intervals, and predicting the mechanical fault of the GIS by processing and analyzing data advancing signals.
3. The method for continuously acquiring the GIS vibration signal based on the LabVIEW platform as claimed in claim 1, wherein the vibration signal of the detected GIS acquired by the acquisition card is acquired and stored by setting acquisition interval time, sampling time and storage interval time on line continuously.
4. The GIS vibration signal continuous acquisition system based on the LabVIEW platform is applied to the GIS vibration signal continuous acquisition method based on the LabVIEW platform, and is characterized by comprising the following steps of: the system comprises an acceleration sensor, a collection card and a computer;
the acceleration sensor is fixed on the outer surface of the detected GIS shell;
the input end of the acquisition card is connected with the acceleration sensor and is used for receiving the vibration signal of the detected GIS, which is acquired by the acceleration sensor;
and the computer is connected with the output end of the acquisition card and is used for continuously acquiring and analyzing signals.
5. The LabVIEW platform-based GIS vibration signal continuous acquisition system as claimed in claim 4, wherein the acquisition card is an NI9234 acquisition card.
6. The LabVIEW platform-based GIS vibration signal continuous acquisition system as claimed in claim 4, wherein the acceleration sensor is fixed on the detected GIS shell outer surface:
and the acceleration sensor is fixed at the position of a measuring point on the outer surface of the detected GIS shell through a magnetic seat.
7. The LabVIEW platform-based GIS vibration signal continuous acquisition system as claimed in claim 4, wherein the input end of the acquisition card is connected with an acceleration sensor:
the input end of the acquisition card is connected with the acceleration sensor through the electric conversion head.
8. The LabVIEW platform-based GIS vibration signal continuous acquisition system as claimed in claim 7, wherein the electrical converter is a BNC connector.
9. The LabVIEW platform-based GIS vibration signal continuous acquisition system as claimed in claim 4, wherein the computer is connected with the output end of the acquisition card:
and the computer is connected with the output end of the acquisition card through a USB interface.
10. The LabVIEW platform-based GIS vibration signal continuous acquisition system as claimed in claim 4, wherein the computer is used for reading and storing the vibration signal acquired by the acceleration sensor, and performing spectrum analysis on the vibration signal for judging mechanical failure.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010144123.8A CN111256932A (en) | 2020-03-04 | 2020-03-04 | GIS vibration signal continuous acquisition method and system based on LabVIEW platform |
| EP20845367.0A EP3895527A1 (en) | 2020-03-04 | 2020-05-19 | Cow body massage method and cow body massage device |
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| CN202010144123.8A CN111256932A (en) | 2020-03-04 | 2020-03-04 | GIS vibration signal continuous acquisition method and system based on LabVIEW platform |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113551859A (en) * | 2021-06-09 | 2021-10-26 | 天津电力工程监理有限公司 | GIS earthquake simulation shaking table test method |
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