KR20130013677A - Intelligent wireless sound watch system - Google Patents

Abstract

PURPOSE: An intelligent wireless acoustic diagnosis and monitoring system is provided to quickly manage failures in a power apparatus, and forestall the failures. CONSTITUTION: A transmitter(100) amplifies and modulates a sound from a power apparatus including a gas insulated switch-gear and a main transformer, and then transmits the sound to a receiver(200). The receiver demodulates a signal from the transmitter into an existing analog signal, converts the analog signal into a digital signal, and then transmits the digital signal to the output device(300). The output device analyzes digital data related to an electro-acoustic signal from the receiver, and then indicates the state of the data. A mobile device(400) receives a text message including the location and the failure details of the power apparatus when an abnormal signal is detected, and then outputs an alarm. [Reference numerals] (AA) Wireless communication

Description

Intelligent wireless sound monitoring system {INTELLIGENT WIRELESS SOUND WATCH SYSTEM}

The present invention relates to an intelligent wireless acoustic monitoring system, and more particularly, to a sound generated from a power device including a gas insulated switch-gear (GIS) and a main transformer (MTR). Amplifies and modulates the signal, transmits it wirelessly, converts the received electroacoustic signal to digital, and transmits the signal to an output device, and stores and analyzes the received electrical sound signal. It is about.

The cause of breakdown of domestic electrical equipment accounts for 58.2% of natural deterioration, poor repair and poor manufacturing. As a result, the reliability of the power supply has been raised, and in the detection of partial discharge generated when an abnormality exists in a power device such as a transformer, it is possible to analyze electromagnetic waves, for analysis of defect diagnosis, location estimation, noise removal, and risk assessment. Acoustic wave sensors and currents have been used.

In recent years, research and development has been made in connection with the present invention, and a number of Korean Patent Publication Nos.

Prior art has a current detector for dividing the current signal into a plurality of channels and a signal processor for determining the abnormality of the power device by using the current signal divided into the plurality of channels according to the magnitude of the current signal input from the power device It is configured to include.

Prior art as described above, but using a method for checking the failure of the power device by the current signal input from the power device, the current signal may be altered by the abnormal current flowing from the outside of the correct power device It is not possible to confirm the malfunction.

An object of the present invention is to amplify, modulate, and transmit the sound generated from a power device wirelessly, and convert the received electroacoustic signal to a digital device and transmit the digital sound signal to the output device. And by analyzing and analyzing the power equipment in real time, it is possible to quickly cope with failure and prevent the diagnosis in advance to improve the high performance of the power equipment including GIS and MTR, restore reliability, improve the economic efficiency of maintenance, and replace accident facilities in a timely manner. The purpose is.

The intelligent wireless acoustic monitoring diagnostic system of the present invention for achieving the technical problem includes a gas insulated switch-gear (GIS), a main transformer (MTR) in the intelligent wireless acoustic monitoring system A transmitter for amplifying and modulating a sound generated by a power device to be transmitted to a receiver; A receiver for demodulating the signal received from the transmitter into an existing analog signal and transmitting the electroacoustic signal converted into a digital signal to an output device; And an output device configured to analyze digital data related to the electroacoustic signal received from the receiver and display a current state of the data. A mobile device that receives a text message including a location and a failure history of a power device including a GIS and an MTR and detects an abnormal signal from an output device and outputs an alarm sound; It includes.

In addition, the transmitter, the sound collecting module for collecting the sound generated by the power device including a GIS and MTR; An amplifying module for amplifying the weak electric sound signal collected by the sound collecting module; A band filter module for passing a signal of a specific frequency band among the electroacoustic signals amplified from the amplification module; An encoder module for encrypting the electroacoustic signal passing through the band pass filter module to be distinguished from other signals; A modulation module for modulating the electroacoustic signal encrypted from the encoder module at a high frequency; And a wireless transmission module for wirelessly transmitting the modulated signal from the modulation module to the reception antenna module of the receiver through an oscillator, a band pass filter, and an antenna. It includes.

In addition, the receiver, the receiving antenna module for receiving the modulated electroacoustic signal from the wireless transmission module of the transmitter; A UHF receiving module for converting the modulated electroacoustic signal received by the receiving antenna module into an intermediate frequency and demodulating the existing signal; An A / D converter module for converting an existing analog electroacoustic signal demodulated from the UHF receiving module into a digital electroacoustic signal; An audio processing module for converting the electroacoustic signal converted from the A / D converter module into digital data and analog electroacoustic signals; And a USB port module for transmitting digital data related to the electroacoustic signal output from the audio processing module to the intelligent sound signal analysis module of the output device. It includes.

In addition, the output device analyzes digital data related to the electroacoustic signal received from the USB port module to collect, classify, and store data of a power device including a GIS and an MTR. An intelligent sound signal analysis module for diagnosing abnormal data through analysis, setting a diagnostic level for each power device, monitoring the power device according to time, month and date, and transmitting sound and data of the power device to an image module in real time; A database module for storing the information of the electroacoustic signal analyzed by the intelligent acoustic signal analysis module, and subsequently providing the information of the electroacoustic signal for the intelligent acoustic signal analysis module to analyze the electroacoustic signal; The intelligent sound signal analysis module analyzes digital data related to the electric sound signal received from the USB port module and detects abnormal data, and when the abnormal data is detected, the alarm sounds and the position and failure history of the power device including the GIS and MTR are transferred to the manager's mobile. An alarm module for transmitting; And an image module configured to display waveforms and spectrograms of the electroacoustic signals received from the intelligent acoustic signal analysis module. It includes.

In addition, the sound collector includes a sensor for collecting sound generated from a power device including a GIS and an MTR, and a magnet inserted into the sensor so that the sound device can be attached to a power device having a lot of heat around the sensor.

In addition, the UHF receiving module includes a band pass filter for removing noise by passing only the signal of a predetermined frequency band through the electroacoustic signal received by the receiving antenna module and a decoder for restoring the encrypted signal from the encoder module of the transmitter to the original signal. It includes what is done.

In addition, the intelligent sound signal analysis module measures the signal in the time domain and the frequency domain of the power device including the GIS and the MTR and the DSP processing the sensor signal based on the sensor and the hardware, and transmits the data via wireless. Controlling signal data by applying.

In addition, the intelligent sound signal analysis module is equipped with embedded software, which enables real-time data transmission, and can be extended to a remote diagnosis and monitoring system, and continuously and systematically maintains, diagnoses, and prevents diagnosis of power equipment including GIS and MTR. It involves doing.

According to the present invention as described above, by amplifying, modulating the sound generated from the power device to transmit wirelessly, and converts the received electroacoustic signal to a digital signal to the output device, the output signal received by the output device By analyzing and storing the power equipment in real time, it is possible to respond quickly to failures and diagnose and prevent them in advance, thereby improving the performance of power equipment including GIS and MTR, restoring reliability, improving the economics of maintenance and maintenance, and installing accident facilities in a timely manner. It is effective to replace.

1 is an overall configuration diagram of an intelligent wireless acoustic monitoring system according to the present invention.
2 is a block diagram of a transmitter of an intelligent wireless acoustic monitoring system according to the present invention.
Figure 3 is a cross-sectional view of the sound collector of the intelligent wireless acoustic monitoring system according to the present invention.
4 is a block diagram of a receiver of the intelligent wireless acoustic monitoring system according to the present invention.
5 is a block diagram of an output device of an intelligent wireless acoustic monitoring system according to the present invention.
Figure 6 is an embodiment of an image module of the intelligent wireless acoustic monitoring system according to the present invention.
Figure 7 is an embodiment of a failure with respect to the image module of the intelligent wireless acoustic monitoring system according to the present invention.
Figure 8 is an embodiment of a failure during switching of the image module of the intelligent wireless acoustic monitoring system according to the present invention.
Figure 9 is an embodiment of the occurrence of a failure around the power device for the image module of the intelligent wireless acoustic monitoring system according to the present invention.

Specific features and advantages of the present invention will become more apparent from the following detailed description based on the accompanying drawings. Prior to this, terms and words used in the present specification and claims are to be interpreted in accordance with the technical idea of the present invention based on the principle that the inventor can properly define the concept of the term in order to explain his invention in the best way. It should be interpreted in terms of meaning and concept. In addition, when it is determined that the detailed description of the known function and its configuration related to the present invention may unnecessarily obscure the subject matter of the present invention, it should be noted that the detailed description is omitted.

Hereinafter, the intelligent wireless acoustic monitoring diagnostic system according to the present invention will be described in detail with reference to the accompanying drawings. 1 is an overall configuration diagram of an intelligent wireless acoustic monitoring diagnostic system according to the present invention.

As shown in FIG. 1, the intelligent wireless acoustic monitoring system S according to the present invention includes a transmitter 100, a receiver 200, an output device 300, and a mobile device 400.

First, as shown in FIG. 2, the transmitter 100 amplifies and modulates the sound generated by the power device and transmits the sound to the receiver 200. The sound collecting module 110, the amplifying module 120, and the band filter module ( 130, the encoder module 140, the modulation module 150, and the wireless transmission module 160.

In detail, the sound collecting module 110 collects sounds generated from a power device such as a gas insulated switchgear (GIS), a main transformer (MTR), and the like, as illustrated in FIG. 3. It is a configuration that a magnet is inserted so that it can be attached to a sensor that picks up sound and a lot of power devices. The amplification module 120 amplifies the weak electroacoustic signal collected by the sound collecting module 110.

In addition, the band filter module 130 passes a signal of a specific frequency band (band frequency) of the electroacoustic signal amplified from the amplification module 120, the encoder module 140 passes through the band filter module 130. One electroacoustic signal is encrypted to distinguish it from other adjacent signals.

In addition, the modulation module 150 modulates the electroacoustic signal encrypted from the encoder module 140 at a high frequency, and the wireless transmission module 160 modulates the modulated signal from the modulation module 150 by an oscillator, a band pass filter, and the like. The antenna is wirelessly transmitted to the receiving antenna module 210 of the receiver 200.

In addition, as shown in FIG. 4, the receiver 200 demodulates the signal received from the transmitter 100 into an existing analog signal, converts the signal into a digital signal, and transmits the converted signal to the output device 300, while receiving the antenna module. 210, the UHF receiving module 220, the A / D converter module 230, the audio processing module 240, and the USB port module 250 are configured.

Specifically, the receiving antenna module 210 receives the modulated electroacoustic signal from the wireless transmission module 110 of the transmitter 100, the UHF receiving module 220 is a modulated received by the receiving antenna module 210 It converts an electroacoustic signal into an intermediate frequency and demodulates it into an existing signal.

The UHF receiving module 220 encrypts the bandpass filter and the encoder module 140 of the transmitter 100 to remove noise by passing only the signal of a predetermined frequency band through the electroacoustic signal received by the receiving antenna module 210. A decoder for restoring the original signal to the original signal is provided.

The A / D converter module 230 converts the existing analog electroacoustic signal demodulated from the UHF receiving module 220 into a digital electroacoustic signal, and the audio processing module 240 converts the A / D converter module ( The electro-acoustic signal converted from the 230 is converted into digital data and analog electro-acoustic signal, USB port module 250 outputs the digital data associated with the electro-acoustic signal output from the audio processing module 240 output device 300 The intelligent sound signal analysis module 310 of the transmission.

In addition, as shown in FIG. 5, the output device 300 analyzes the digital data related to the electroacoustic signal received from the receiver 200 and displays the current state of the data. It is configured to include a database module 320, the alarm module 330 and the image module 340.

Specifically, the intelligent sound signal analysis module 310 analyzes digital data related to the electric sound signal received from the USB port module 250 to collect and classify data of a power device (GIS, MTR, etc.) and detect abnormal data. Diagnose abnormal data through time series analysis and frequency series analysis of time data, set diagnostic level for each power device (GIS, MTR, etc.), monitor power devices according to time, month and date, and monitor the sound of power devices in real time. Send to module 320.

In addition, the intelligent sound signal analysis module 310 measures the signal in the time domain and the frequency domain of the power equipment including the sensor signal processing technology DSP, GIS, MTR based on the sensor and hardware, and transmits the data via wireless It is a convergence system applying embedded software to control the system.

In addition, the intelligent sound signal analysis module 310 with the embedded software is capable of real-time data transmission of the abnormal signal extracted from the database module and can be extended to a remote diagnostic monitoring system, and continuously and systematically includes power including GIS and MTR. Maintenance, early diagnosis and preventive diagnosis can be performed.

In addition, the database module 320 stores the information of the electroacoustic signal analyzed by the intelligent sound signal analysis module 310, and the intelligent sound signal analysis module 310 easily analyzes the electroacoustic signal afterwards. Provide information.

In addition, the alarm module 330 analyzes the digital data related to the electroacoustic signal received from the USB port module 250 by the intelligent sound signal analysis module 310 and detects abnormal data. The location and failure history of the power device, including the transmission to the manager's mobile.

The image module 340 displays waveforms and spectrograms of the electroacoustic signals received from the intelligent sound signal analysis module 310. FIG. 6 shows an electric sound signal received from the GIS in real time.

In addition, as shown in FIG. 7, when a problem occurs in the GIS, it is displayed in red and the year, month, and time in which the problem occurs in red, and as shown in FIG. 8, a predetermined number of times for stabilizing the GIS power. It displays the contents of GIS switching as much as possible, and in case of an accident, it is displayed in red, and before and after the occurrence of the accident, it is possible to establish a problem and preventive plan of the GIS by changing the graph.

In addition, FIG. 9 shows the waveform and the spectrogram in red, and displays the date and the year in red for quick response when an accident occurs when working around the GIS.

In addition, when the mobile device 400 detects an abnormal signal from the output device 300, the mobile device 400 receives a text message including the location and the failure history of the power device including the GIS and the MTR and outputs an alarm sound.

While the present invention has been particularly shown and described with reference to preferred embodiments thereof, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims. It will be appreciated by those skilled in the art that numerous changes and modifications may be made without departing from the invention. And all such modifications and changes as fall within the scope of the present invention are therefore to be regarded as being within the scope of the present invention.

S: Intelligent wireless acoustic monitoring system
100: transmitter 110: sound collection module
120: amplification module 130: band filter module
140: encoder module 150: modulation module
160: wireless transmission module 200: receiver
210: receiving antenna module 220: UHF receiving module
230: A / D converter module 240: audio processing module
250: USB port module 300: output device
310: intelligent sound signal analysis module 320: database module
330: alarm module 340: image module
400: mobile device

Claims (8)

In the intelligent wireless acoustic monitoring system,
A transmitter 100 for amplifying and modulating a sound generated by a power device including a gas insulated switchgear (GIS) and a main transformer (MTR) and transmitting the amplified and modulated sound to a receiver 200;
A receiver (200) for demodulating the signal received from the transmitter (100) into an existing analog signal and transmitting the electroacoustic signal converted into a digital signal to the output device (300);
An output device 300 for analyzing the digital data related to the electroacoustic signal received from the receiver 200 and displaying a current state of the data; And
A mobile device 400 receiving a text message including a location and a failure history of a power device including a GIS and an MTR when an abnormal signal is detected from the output device 300 and outputting an alarm sound; Intelligent wireless acoustic monitoring system comprising a.
The method of claim 1,
The transmitter 100,
A sound collecting module 110 for collecting sound generated from a power device including a GIS and an MTR;
An amplification module 120 for amplifying the weak electric sound signal collected by the sound collecting module 110;
A band filter module 130 for passing a signal of a specific frequency band among the electroacoustic signals amplified from the amplification module 120;
An encoder module 140 for encrypting an electroacoustic signal passing through the band pass filter module 130;
A modulation module 150 for modulating the electroacoustic signal encrypted from the encoder module 140 at a high frequency; And
A wireless transmission module 160 for wirelessly transmitting the modulated signal from the modulation module 150 to the receiver 200 through an oscillator, a band pass filter, and an antenna; Intelligent wireless acoustic monitoring system comprising a.
The method of claim 1,
The receiver 200,
A reception antenna module 210 for receiving the modulated electroacoustic signal from the transmitter 100;
A UHF receiving module 220 for converting the modulated electroacoustic signal received by the receiving antenna module 210 into an intermediate frequency and demodulating the existing signal into an existing signal;
An A / D converter module 230 for converting an existing analog electroacoustic signal demodulated from the UHF receiving module 220 into a digital electroacoustic signal;
An audio processing module 240 for converting the electroacoustic signal converted from the A / D converter module 230 into digital data and analog electroacoustic signals; And
A USB port module 250 for transmitting digital data related to the electroacoustic signal output from the audio processing module 240 to the output device 300; Intelligent wireless acoustic monitoring system comprising a.
The method of claim 1,
The output device 300,
Analyze digital data related to the electroacoustic signal received from the receiver 200 to collect, classify, and store data of a power device including a GIS and an MTR, and to detect abnormal data through time series analysis and frequency series analysis. Intelligent sound signal analysis module 310 for diagnosing data, setting a diagnostic level for each power device, monitoring the power device according to time, month and date, and transmitting the sound and data of the power device to the image module 330 in real time. ;
A database module for storing the information of the electroacoustic signal analyzed by the intelligent sound signal analysis module 310 and providing the information of the electroacoustic signal to the intelligent sound signal analysis module 310 to analyze the electroacoustic signal later; 320);
When the intelligent sound signal analysis module 310 analyzes the digital data related to the electric sound signal received from the USB port module 250 and detects abnormal data, an alarm sounds and the position of the power device including the GIS and the MTR. Alarm module 330 for transmitting the failure history to the manager's mobile; And
An image module 340 for displaying waveforms and spectrograms of the electroacoustic signals received from the intelligent sound signal analysis module 310; Intelligent wireless acoustic monitoring system comprising a.
The method of claim 2,
The sound collecting module 110,
Intelligent wireless acoustic monitoring system, characterized in that the magnet is inserted so that it can be attached to the sensor to pick up the sound generated from the power device including the GIS and MTR and the heat device around the sensor.
The method of claim 3,
The UHF receiving module 220,
The bandpass filter removes noise by passing only the signal of a predetermined frequency band through the electroacoustic signal received by the reception antenna module 210 and restores the encrypted signal from the encoder module 140 of the transmitter 100 to the original signal. Intelligent wireless acoustic monitoring diagnostic system, characterized in that the decoder is provided.
5. The method of claim 4,
The intelligent sound signal analysis module 310,
It is to control the signal data by measuring the signal in the time domain and the frequency domain of the power device including the DSP and the GIS and the MTR based on the sensor and the hardware and transmitting the data through the wireless application. Intelligent wireless acoustic monitoring system.
5. The method of claim 4,
The intelligent sound signal analysis module 310,
It is equipped with embedded software for real-time data transmission and expansion to remote diagnosis and monitoring system.Intelligent wireless acoustic monitoring for the maintenance, early diagnosis and preventive diagnosis of power equipment including GIS and MTR continuously and systematically Diagnostic system.

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