CN110503978A - Audio monitoring modular in a kind of Intelligent transformer station room - Google Patents
Audio monitoring modular in a kind of Intelligent transformer station room Download PDFInfo
- Publication number
- CN110503978A CN110503978A CN201910631573.7A CN201910631573A CN110503978A CN 110503978 A CN110503978 A CN 110503978A CN 201910631573 A CN201910631573 A CN 201910631573A CN 110503978 A CN110503978 A CN 110503978A
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- China
- Prior art keywords
- audio
- unit
- monitoring modular
- transformer station
- intelligent transformer
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Classifications
-
- 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
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
- G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
- G10L25/03—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
- G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
- G10L25/27—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the analysis technique
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
- G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
- G10L25/27—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the analysis technique
- G10L25/30—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the analysis technique using neural networks
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
- G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
- G10L25/48—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 specially adapted for particular use
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
- G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
- G10L25/48—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 specially adapted for particular use
- G10L25/51—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 specially adapted for particular use for comparison or discrimination
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/02—Details
- H04L12/10—Current supply arrangements
Abstract
Audio monitoring modular in a kind of Intelligent transformer station room belongs to monitoring neck.Including shell, integrate inside the shell by main control unit, Power Management Unit, serial communication unit, telecommunication unit and audio sample unit；Display unit and sound pick-up are installed on the shell；Have audio sample, audio data analysis processing, human-computer interaction, fault identification, fault alarm and a telecommunications functions, realizes to substation's indoor objects region real-time monitoring for 24 hours；Remote monitoring terminal is transmitted to when by sampled data and analysis fructufy is used for information summarize and secondary analysis.It acquires the audio for collecting crucial running equipment in substation room, useful data and information are extracted by audio file, the normal/abnormal state for identifying power equipment and system, can be realized fault pre-alarming and the pinpoint effect of failure, and substitution people completes the work such as regular visit and data record.It can be widely used for operation monitoring and the management domain of unattended operation transformer station.
Description
Technical field
The invention belongs to monitor field more particularly to a kind of remote auto prison for unattended operation transformer station operating status
Control device.
Background technique
Currently, the administration one remote control center to several unattended operation transformer stations, is established in various regions power grid successively
Get up, the voltage class of unattended operation transformer station has also developed to 110kV by 35kV, and gradually to 220kV and higher voltage etc.
Grade development.Since the substation of voltage levels often relates to bigger supply district, to substation equipment, especially become
The main primary equipment such as depressor, GIS (Gas Insulated Switchgear, Cubicle Gas-Insulated Switchgear) is reliable
Property requirement it is also more harsh.This also simultaneously require novel monitoring system can in electric equipment operation to its parameter into
Row continues to monitor, and to assist the correct assessment equipment state of operations staff and carry out necessary repair based on condition of component, avoids equipment that event occurs
Barrier.
Under the monitoring pattern of previous distribution system, service personnel needs every predetermined period of time to unattended
Substation carries out customary inspection, and carries out plant maintenance and necessary repair based on condition of component, and the mode efficiencies are low, waste of manpower object
Power, heavy dependence patrol officer is horizontal, and can not accomplish (habit is write as 24 hours in the industry) monitoring in real time in 24 hours.
Audio monitoring modular is a kind of higher distribution system monitoring device of integrated level in Intelligent transformer station room, can be with
Whole day monitors distribution system audio-frequency information for 24 hours, has failure and does sth. in advance early warning, the ability of fault fast positioning is multiple by being equipped with
In Intelligent transformer station room audio monitoring modular can accomplish monitor any range region, and can carry out it is various customization and
Propertyization design, more coordinate with environment, functional configuration it is more perfect.
It is generally made of, is embedded in embedded type low-power consumption control panel and sound pick-up inside common substation's audio monitoring modular
Formula low power consumption control plate is responsible for data processing, telecommunication and task management, and sound pick-up is responsible for acquiring ambient sound, sound therein
The identification of frequency monitoring modular and not responsible audio, but by cable by collected ambient sound, remote transmission is to remotely
Terminal carries out data processing, can not accomplish to handle former audio in real time, and because distribution system partial fault audio-frequency information
For low-frequency sound wave, easily by ambient noise interference and it is not easy to be sampled, causes general audio monitoring modular several to the part audio
It can not successfully sample, therefore research and develop the intelligent sound that there is stronger sampling performance and have local audio analysis ability
Frequency sampling module has very important significance.
In addition, currently used audio analysis system mainly includes that temporal signatures extract, frequency domain character extracts, diagnostic knowledge
The component parts such as library, recognizer library, database, fault alarm database, diagnosis display and alarm unit.Diagnostic logic analysis
The general method using the amplitude and abnormal frequency that obtain audio by time-domain analysis and frequency-domain analysis, to a certain extent can be with
Identify target audio fault message, but effect is more general, for the unconspicuous event of COMPLEX MIXED audio either feature
Barrier is substantially to no effect.
Summary of the invention
Technical problem to be solved by the invention is to provide audio monitoring modulars in a kind of Intelligent transformer station room.It is used
Lightly, miniaturization, shell mechanism easy to install, unlike other conventional audio sampling modules inside the audio monitoring modular
It is integrated with and is made of main control unit, Power Management Unit, serial communication unit, telecommunication unit and audio sample unit etc.
Audio monitor control system is equipped with display unit and sound pick-up on shell.The module is fixed on mesh by simple adjustable support
It marks in region, is powered in a manner of POE, can be realized the real-time monitoring for 24 hours to substation's indoor objects region, have audio and adopt
The functions such as sample, audio data analysis processing, human-computer interaction, fault identification, fault alarm and telecommunication, are known by audio analysis
Other algorithm reaches fault pre-alarming and the pinpoint effect of failure, and can be by sampled data and analysis fructufy when be transmitted to
Remote monitoring terminal summarizes for information and secondary analysis, and by being equipped in multiple Intelligent transformer station rooms, audio monitoring modular can
To accomplish to monitor any range region, wherein display unit is communicated by serial communication unit with control system, for aobvious in real time
Show the status information in monitoring region, sound pick-up uses high-performance, high frequency, low noise sound transducer, passes through double TLV320AIC23B
Audio sample circuit can largely improve the fidelity of audio.
The technical scheme is that audio monitoring modular in a kind of Intelligent transformer station room, including case body are provided,
It is characterized in that:
In the inside of the case body structure, be integrated with by main control unit, Power Management Unit, serial communication unit,
The audio monitor control system of the compositions such as telecommunication unit and audio sample unit；
Display unit and sound pick-up are installed on the shell；
Audio monitoring modular in the Intelligent transformer station room, is fixed in target area by simple adjustable support,
It is powered in a manner of POE, can be realized the real-time monitoring for 24 hours to substation's indoor objects region；
Audio monitoring modular in the Intelligent transformer station room has audio sample, audio data analysis handles, is man-machine
Interaction, fault identification, fault alarm and telecommunications functions；
Audio monitoring modular in the Intelligent transformer station room, reaches fault pre-alarming and failure by audio analysis algorithm
Pinpoint effect, and can be by sampled data and analysis fructufy when be transmitted to remote monitoring terminal and be used for information and summarize
And secondary analysis.
Specifically, audio monitoring modular includes main control unit, Power Management Unit, string in the Intelligent transformer station room
Port communications unit, telecommunication unit and audio sample unit.；
Wherein, the main control unit is for task management, Row control and audio identification etc.；
The described Power Management Unit input for external access standard POE power supply, export the 12V needed for each unit,
5V, 3.3V regulated power supply,
It is continuous to be capable of providing 10h in the case of no external power supply for small-sized self-charging lithium battery built in the Power Management Unit
Boat；
The serial communication unit and telecommunication unit is communicated with display equipment and remote terminal respectively；
44k frequency low noise sample may be implemented by high-performance sound pick-up in the audio sample unit.
Further, the shell mechanism uses left and right clam shell design, shows that equipment and sound pick-up pass through u-bracket
It is fixed on flip lid, has special line channel, flip lid does not influence module normal work when opening；
The audio monitoring modular is powered and is communicated in a manner of POE by cable；
The audio monitoring modular passes through the simple rack specially designed and is fixed on target area center, has 360 degree of rotations
Turn and lifting regulating mechanism, monitoring modular direction and mounting height can be adjusted according to actual needs.
Specifically, the audio monitoring modular, using formula audio sample on the spot, audio data analysis processing, man-machine friendship
Mutually, fault identification, fault alarm operating mode, fault pre-alarming and failure are reached by audio analysis recognizer and are accurately positioned
Effect, and can be by sampled data and analysis fructufy when be transmitted to remote monitoring terminal and be used for information and summarize and secondary point
Analysis.
Further, the voice signal when audio monitoring modular is run by monitoring, record and analytical equipment, it is right
Equipment running status carries out real-time monitoring, to grasp equipment practical operation situation, it is quick with failure to realize that failure gives warning in advance
Positioning, improves the overhaul efficiency of equipment.
Compared with the prior art, the invention has the advantages that
1. the audio of crucial running equipment in substation room is collected in acquisition, useful data and letter are extracted by audio file
Breath, identifies the normal/abnormal state of power equipment and system, and substitution people completes the work such as regular visit and data record；
2. being carried out in situ audio analysis recognizer at the scene of unattended operation transformer station.Whereby realize fault pre-alarming and
The pinpoint function of failure, and can be by sampled data and analysis fructufy when be transmitted to remote monitoring terminal and be used for information
Summarize and secondary analysis；
3. being fixed in target area by simple adjustable support, powered, is can be realized in substation room in a manner of POE
The real-time monitoring for 24 hours of target area；
4. can accomplish to monitor any range region by being equipped with audio monitoring modular in multiple Intelligent transformer station rooms.
Detailed description of the invention
Fig. 1 is that audio monitors circuit system module composition schematic diagram in Intelligent transformer station room of the present invention；
Fig. 2 is the Power Management Unit embodiment schematic diagram of audio monitoring system in substation room of the present invention；
Fig. 3 is the schematic diagram of audio monitoring system mechanics constructive embodiment in Intelligent transformer station room of the present invention.
Specific embodiment
The present invention will be further described with reference to the accompanying drawing.
Technical solution of the present invention provides audio monitoring modular in a kind of Intelligent transformer station room, uses light and handy, small
Type, shell mechanism easy to install, the audio monitoring modular is internally integrated unlike other conventional audio sampling modules
The audio prison being made of main control unit, Power Management Unit, serial communication unit, telecommunication unit and audio sample unit etc.
Control system is surveyed, display unit and sound pick-up are installed on shell.
The module is fixed in target area by simple adjustable support, and with POE, (Power Over Ethernet, is based on
The power supply system of Ethernet) mode powers, can be realized the real-time monitoring for 24 hours to substation's indoor objects region, have audio
The functions such as sampling, audio data analysis processing, human-computer interaction, fault identification, fault alarm and telecommunication, pass through audio analysis
Recognizer reaches fault pre-alarming and the pinpoint effect of failure, and can be by sampled data and analysis result real-time transmission
Summarize and secondary analysis to remote monitoring terminal for information.
It can accomplish to monitor any range region by being equipped with audio monitoring modular in multiple Intelligent transformer station rooms, wherein
Display unit is communicated by serial communication unit with control system, for the status information in real-time display monitoring region, sound pick-up
Using high-performance, high frequency, low noise sound transducer, can largely be mentioned by double TLV320AIC23B audio sample circuits
The fidelity of high audio.
The audio recognition systems have merged neural network and cluster point on the basis of conventional audio analysis identification
Algorithm is analysed, multiple audio identification, fault message judgement and location algorithm is realized, can be identified in target audio with maximum probability
Fault message.Conventional audio discriminance analysis is basic parameter analysis, and the width of audio is obtained by time-domain analysis and frequency-domain analysis
Value and abnormal frequency；CNN is passed to the convolutional neural networks system progress failure letter after training after being identified by extraction characteristic information
Breath identifies and positions；Clustering: extracting characteristic information, carries out necessary operation (dimensionality reduction etc.) after forming eigenmatrix, seeks
Characteristic value is classified and is identified to audio-frequency information by analysis.Three layers of recognizer, which mutually merge, can be improved audio identification
Accuracy rate, reduce and erroneous judgement and fail to judge disconnected.
The shell mechanism of audio monitoring modular and the simple rack of installation have light in the Intelligent transformer station room
Just secured feature, shell mechanism use left and right clam shell design, show that equipment and sound pick-up are fixed on flip lid by u-bracket
On, have special line channel, flip lid does not influence module normal work when opening；Audio monitoring modular is fixed by simple rack
The heart in the target area, have 360 degree rotation and lifting regulating mechanism, can adjust according to actual needs monitoring modular direction and
Mounting height.
Specifically, giving audio monitoring circuit system module composition signal in Intelligent transformer station room of the present invention in Fig. 1
Figure.
It include Power Management Unit 1 in audio monitoring modular overall plan in the Intelligent transformer station room, chargeable
Lithium battery 2, display screen 3, serial communication unit 4, main control unit 5, audio sample unit 6, sound pick-up 7, network communication unit 8 etc.
Component part, a whole set of control system carry out data biography by cable by POE mode decorum power supply and network, with remote terminal
It is defeated.The specific embodiment of its Power Management Unit 1 is shown in Fig. 2, and audio monitoring modular mechanical structure is detailed in Intelligent transformer station room
Thin embodiment is shown in Fig. 3.
Currently used audio analysis system mainly includes temporal signatures extraction, frequency domain character extraction, diagnostic knowledge base, knowledge
The component parts such as other algorithms library, database, fault alarm database, diagnosis display and alarm unit.Diagnostic logic analysis is general
Using the method for the amplitude and abnormal frequency for obtaining audio by time-domain analysis and frequency-domain analysis, can identify to a certain extent
Target audio fault message out, but effect is more general, for the COMPLEX MIXED audio either unconspicuous failure base of feature
This to no effect, therefore the audio recognition algorithm of higher discrimination has very important status to the performance of audio detection module,
With regard to current recognizer development level, CNN identification (is passed to the convolutional neural networks system progress after training after extracting characteristic information
Fault message identifies and positions) and clustering (extract characteristic information, carry out necessary operation (dimensionality reduction after forming eigenmatrix
Deng), seek characteristic value, audio-frequency information classified and identified by analyzing) etc. technologies have identification COMPLEX MIXED audio
Ability, by integrating in above-mentioned algorithm to audio detection module control system, it will greatly improve substation's audio monitoring modular
Recognition capability, accomplish that real failure does sth. in advance early warning and fault fast positioning.
In Fig. 2, the Power Management Unit of audio monitoring system includes power input conversion circuit in substation room of the present invention
10, the component parts such as output conversion circuit 11, charging control circuit 12 and rechargeable lithium battery 13.
The input of power input conversion circuit is POE reference power supply, and highest can provide the power supply of 30W power, export as 12V pressure stabilizing
Power supply, power supply flow to output conversion circuit and charging control circuit；Charging control circuit provides 12V in power input conversion circuit
Work is lithium battery power supply, is switched to powering mode in POE power cut-off under for charge mode when power supply, is turned for output
Change circuit power supply；Output conversion circuit receives the power supply signal from power input conversion circuit and charging control circuit, preferentially
Using the 12V power supply of power input conversion circuit, output conversion circuit output is the 12V that each unit needs, 5V, 3.3V pressure stabilizing electricity
Source.In the case where external power interruptions, lithium battery can guarantee the work continuation of the journey of at least 10h.
In Fig. 3, the entire module of audio monitoring modular embodiment mechanical structure in Intelligent transformer station room of the present invention
Structure is by renovating 14, display screen 15, sound pick-up fixation bracket 16, sound pick-up 17, lithium battery 18, shell main body 19, control panel 20, consolidating
Determine backboard 21 and shaft 22 forms.
Wherein, display screen is embedded into flip lid fluting by screw, and sound pick-up is fixed on flip lid by fixed bracket, only
Expose crucial vibrating diaphragm, display screen and sound pick-up easy replacement easy to assemble.
Module case main body is connected with flip lid by shaft, and 0~220 ° of folding may be implemented, and shell is provided with rechargeable lithium battery
And control panel, it is connected between display screen, sound pick-up, lithium battery and control panel by special cable tray, guarantees that flip lid is opened
When do not influence module normal work；Audio monitoring modular is powered and is communicated in a manner of POE by cable, is with 8 core cables
Example, every line effect are as follows: 1TX+, 2TX-, 3RX+, 4POE+, 5POE-, 6RX-, 7POE+, 8POE-.POE cable is navigated by bottom
Line is injected, there is functions of waterproof and dustproof.
Technical solution of the present invention provides a kind of substation for being integrated with audio intelligent and independently analyzing fault finding system
Indoor audio monitoring modular；Its lead suitable for nuclear power or other with the distribution system under highly dangerous environment, it can also be used to
General electric power system power distribution link can replace artificial progress monitoring in real time for 24 hours, be run by monitoring, record and analytical equipment
When voice signal, to equipment running status carry out real-time monitoring, thus facilitate grasp equipment practical operation situation, realize
Failure gives warning in advance and fault fast positioning, improves the overhaul efficiency of equipment.
It invention can be widely used in operation monitoring and the management domain of unattended operation transformer station.
Claims (5)
1. audio monitoring modular in a kind of Intelligent transformer station room, including case body, it is characterized in that:
In the inside of the case body structure, it is integrated with by main control unit, Power Management Unit, serial communication unit, long-range
The audio monitor control system of the compositions such as communication unit and audio sample unit；
Display unit and sound pick-up are installed on the shell；
Audio monitoring modular in the Intelligent transformer station room, is fixed in target area, with POE by simple adjustable support
Mode is powered, and can be realized the real-time monitoring for 24 hours to substation's indoor objects region；
Audio monitoring modular in the Intelligent transformer station room has audio sample, audio data analysis processing, man-machine friendship
Mutually, fault identification, fault alarm and telecommunications functions；
Audio monitoring modular in the Intelligent transformer station room, reaches fault pre-alarming by audio analysis algorithm and failure is accurate
The effect of positioning, and can be by sampled data and analysis fructufy when be transmitted to remote monitoring terminal and be used for information and summarize and two
Secondary analysis.
2. audio monitoring modular in Intelligent transformer station room described in accordance with the claim 1, it is characterized in that the intelligent change
Audio monitoring modular includes main control unit, Power Management Unit, serial communication unit, telecommunication unit and audio in the room of power station
Sampling unit.；
Wherein, the main control unit is for task management, Row control and audio identification etc.；
The described Power Management Unit input for external access standard POE power supply, export the 12V, 5V needed for each unit,
3.3V regulated power supply,
Small-sized self-charging lithium battery built in the Power Management Unit is capable of providing 10h continuation of the journey in the case of no external power supply；
The serial communication unit and telecommunication unit is communicated with display equipment and remote terminal respectively；
44k frequency low noise sample may be implemented by high-performance sound pick-up in the audio sample unit.
3. audio monitoring modular in Intelligent transformer station room described in accordance with the claim 1, it is characterized in that the shell mechanism
Using left and right clam shell design, shows that equipment and sound pick-up are fixed on flip lid by u-bracket, has special line channel,
Flip lid does not influence module normal work when opening；
The audio monitoring modular is powered and is communicated in a manner of POE by cable；
The audio monitoring modular passes through the simple rack that specially designs and is fixed on target area center, have 360 degree rotation and
Lifting regulating mechanism can adjust monitoring modular direction and mounting height according to actual needs.
4. audio monitoring modular in Intelligent transformer station room described in accordance with the claim 1, it is characterized in that the audio monitors
Module, using formula audio sample on the spot, audio data analysis processing, human-computer interaction, fault identification, fault alarm Working mould
Formula reaches fault pre-alarming and the pinpoint effect of failure by audio analysis recognizer, and can by sampled data and
Remote monitoring terminal is transmitted to when analyzing fructufy to summarize and secondary analysis for information.
5. audio monitoring modular in Intelligent transformer station room described in accordance with the claim 1, it is characterized in that the audio monitors
Voice signal when module is run by monitoring, record and analytical equipment carries out real-time monitoring to equipment running status, to slap
Equipment practical operation situation is held, realization failure gives warning in advance and fault fast positioning, improves the overhaul efficiency of equipment.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910631573.7A CN110503978A (en) | 2019-07-12 | 2019-07-12 | Audio monitoring modular in a kind of Intelligent transformer station room |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910631573.7A CN110503978A (en) | 2019-07-12 | 2019-07-12 | Audio monitoring modular in a kind of Intelligent transformer station room |
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