CN104880222B - Secondary device condition monitoring system based on 3G radio communications - Google Patents

Secondary device condition monitoring system based on 3G radio communications Download PDF

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CN104880222B
CN104880222B CN201510212592.8A CN201510212592A CN104880222B CN 104880222 B CN104880222 B CN 104880222B CN 201510212592 A CN201510212592 A CN 201510212592A CN 104880222 B CN104880222 B CN 104880222B
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data
module
communication
secondary device
man
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CN104880222A (en
Inventor
房亚囡
黄毅
王洋
李大勇
张永伍
殷学功
宁国丽
杨畅
张磐
刘宏君
杨捷
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State Grid Corp of China SGCC
State Grid Tianjin Electric Power Co Ltd
CYG Sunri Co Ltd
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State Grid Corp of China SGCC
State Grid Tianjin Electric Power Co Ltd
CYG Sunri Co Ltd
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Abstract

The present invention relates to a kind of secondary device condition monitoring system based on 3G radio communications, its technical characterstic is:Including monitoring modular, background module and public network name server, monitoring modular is provided with 3G communication receipt modules and man-machine interface provided with 3G communication sending modules, background module;3G communications sending module, 3G communication receipt modules and public network name server are in communication with each other connection, the status data monitored is sent to 3G communication sending modules by monitoring modular, 3G communication sending module request public network name servers obtain the dynamic IP addressing of background module, status data is sent to 3G communication receipt modules by 3G communication sending modules, and the status data received is sent to background module and is stored, analyzes, handles and shown by man-machine interface by 3G communication receipt modules.The present invention is reasonable in design, can effectively monitor the hidden failure of secondary device, reaches that positioning excludes hidden fault, simplifies amount of user effort, improves the purpose of electric network reliability.

Description

Secondary device condition monitoring system based on 3G radio communications
Technical field
It is a kind of secondary device status monitoring based on 3G radio communications the present invention relates to a kind of power equipment monitoring system System.
Background technology
In intelligent grid, to ensure that power network can be operated reliably, secondary device (enter by the working condition to electrical primary equipment The complementary electrical equipment of row monitoring, control and protection is referred to as secondary device) it is extensive.During intelligent substation long-play, Maintainer can not be well understood that secondary device state, the component ageing of such as secondary device, member from secondary device operation information The hidden failures such as part overheat, element vibration damage, by traditional fault detect, accident analysis and Fault Locating Method for setting Standby hidden failure investigation is less applicable, it is therefore desirable to configure status of support monitoring, state analysis, the monitoring system of fault location System.Traditional condition monitoring system monitors single signal amount using WLAN, is used for the monitoring of primary equipment, and it is present Signal it is weak, apart from weakness such as short, complexity of arranging net, and do not support directly remotely to check and comprehensive analysis status information of equipment work( Energy.Prior art is primarily present problems with:
(1) on-line fault diagnosis, fault location and repair based on condition of component are difficult to;
(2) can not misoperation of the preventing secondary equipment caused by itself device reason;
(3) only equipment state is judged by monitoring single performance index, it is impossible to the all-sidedly and accurately state of consersion unit;
(4) in order to ensure the normal operation of existing secondary device to be monitored, it is impossible to using influenceing existing secondary device Scheme, the conventional insertion sensor and method for transmitting data by secondary device network interface can not be well adapted for the need at scene Ask;
(5) wireless lan signal in standing is weak, apart from short, complexity of arranging net, it is impossible to directly remotely check and analytical equipment Status information, and the host-host protocol used is short-range communication protocols (such as Zigbee protocol), is only applicable to a small range pair The application of equipment microenvironment monitoring.
The content of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide a kind of secondary device shape based on 3G radio communications State monitoring system, the hidden failure for monitoring secondary device reaches that positioning excludes hidden fault, simplifies amount of user effort, carries The purpose of high electric network reliability, and solve the wireless LAN communication mode of standing state monitoring system and have that signal is weak, distance The weakness such as short, complexity of arranging net and do not support directly remotely to check confinement problems with comprehensive analysis status information of equipment function.
The present invention solves its technical problem and takes following technical scheme to realize:
A kind of secondary device condition monitoring system based on 3G radio communications, including secondary device, in addition to monitoring modular, Background module and public network name server, the monitoring modular is provided with 3G communication sending modules, and the background module is logical provided with 3G Believe receiving module and man-machine interface;The 3G communications sending module, the 3G communication receipt modules and the public network domain name service Device is in communication with each other connection two-by-two, and the status data of the secondary device monitored is sent to the 3G and led to by the monitoring modular Believe sending module, the 3G communications sending module asks the dynamic IP addressing of the public network name server acquisition background module, The status data is sent to the 3G communication receipt modules, institute by the 3G communications sending module according to the dynamic IP addressing State 3G communication receipt modules the status data received is sent to the background module and stored, analyze, handle simultaneously Shown by man-machine interface.
Moreover, the monitoring modular also includes data acquisition module, the data acquisition module includes temperature sensor, shaken Dynamic sensor and Smoke Sensor.
Moreover, the monitoring modular also includes the data processing module being connected with the output end of the data acquisition module, The data processing module includes:
Operational amplifier, input is connected with the output end of the data acquisition module, for by the data acquisition module The analog signal that block is collected is amplified;
Wave filter, input is connected with the output end of the operational amplifier, for what is exported to the operational amplifier Analog signal is filtered processing;
Analog-digital converter, input is connected with the output end of the wave filter, the analog signal that the wave filter is exported It is converted into data signal;Field programmable gate array, input is connected with the output end of the analog-digital converter, for by described in The data signal progress of analog-digital converter output, which is handled, obtains the status data.
Moreover, the monitoring modular also include be connected with the data processing module output end data group bag module, and The data of the data group bag module output end connection send buffering area, and the data send the output end and the 3G of buffering area Communicate sending module connection;The background module includes the data receiver buffering area being connected with the 3G communication receipt modules, with The data of the output end connection of the data receiver buffering area unpack module;
The data group bag module is used to package the status data to obtain packet and send out the packet Give the data and send buffering area;
The data, which send buffering area, to be used for data storage bag and reads forwarding for 3G communication sending modules;
The data receiver buffering area is used to store the packet that the 3G communication receipt modules are sended over;
The data, which unpack module, to be used to by the packet unpack obtaining the status data.
Moreover, the background module also includes real-time data base, historical data base and Refresh Data module, the data Refresh module is used for the status data and writes the real-time data base and the historical data base.
Moreover, the background module also includes data display module, the data display module is used to obtain described real-time Status data and the confession man-machine interface in database are read out display, and the data display module is additionally operable to obtain history The status data in preset time in database simultaneously generates waveform chart and is read out display for the man-machine interface.
Moreover, the background module also includes data analysis module, the data analysis module is used to read described in analysis Whether the status data in real-time data base has mutation, and the mutation recorded wave file for recording accidental data is generated if having and is incited somebody to action The accidental data supplies the man-machine interface and is read out display.
Moreover, the background module also includes fault location module, the fault location module is used to read described in analysis Status data in real-time data base and the localization of faults simultaneously supply the man-machine interface and are read out display.
Moreover, the background module also includes analysis expert module, the analysis expert module is used for the history number Contrasted according to the status data in storehouse and the first preset value, the second preset value, when the status data value is more than described first During preset value, the analysis expert module passes through man-machine interface display alarm;The analysis expert module also counts the state Data value is more than the duration that second preset value is less than the first preset value, intelligent decision and the health status for assessing secondary device And automatic feedback result and supply the man-machine interface and be read out display.
Moreover, the monitoring modular is divided on mainboard and expansion board, the mainboard, to be provided with power module and the 3G logical Believe and be provided with the data acquisition module and the data processing module in sending module, the expansion board.
Advantages and positive effects of the present invention are:
The present invention is reasonable in design, can effectively monitor the hidden failure of secondary device, reaches that positioning excludes hidden fault, Simplify amount of user effort, improve the purpose of electric network reliability.Communicated using 3G as the communication mode of secondary device status monitoring, Solve standing state monitoring system wireless LAN communication mode exist signal it is weak, apart from weakness such as short, complexity of arranging net, and Do not support directly remotely to check the confinement problems with comprehensive analysis status information of equipment function.
Brief description of the drawings
Fig. 1 is system connection diagram of the invention;
Fig. 2 is data acquisition module structural representation of the invention;
Fig. 3 is data processing module structural representation of the invention;
Fig. 4 is monitoring modular hardware structure schematic diagram of the invention.
Embodiment
The embodiment of the present invention is further described below in conjunction with accompanying drawing:
A kind of secondary device condition monitoring system based on 3G radio communications, as shown in figure 1, including secondary device 1, monitoring Module 2, background module 3, public network name server 4, the monitoring modular 2 is provided with 3G communication sending modules 21, the backstage mould Block 3 is provided with 3G communication receipt modules 31 and man-machine interface 32.The 3G communications sending module 21, the 3G communication receipt modules 31 Connected each other by wan communication two-by-two with the public network name server 4, the monitoring modular 2 is by the institute monitored The status data for stating secondary device 1 is sent to the 3G communications sending module 21, and the 3G communications sending module 21, which is sent, to be obtained The request of the dynamic IP addressing of background module 3 is to the public network name server 4, and the public network name server 4 is received please The dynamic IP addressing of background module 3 is obtained after asking and the 3G communications sending module 21 is supplied to.The 3G communications sending module The status data is sent to the 3G communication receipt modules 31, the 3G communications receptions mould by 21 according to the dynamic IP addressing The status data received is sent to the background module 3 and is stored, analyzes, handles and by man-machine interface by block 31 32 are shown.
As shown in Fig. 2 the monitoring modular 2 also includes data acquisition module 22, the data acquisition module 22 includes temperature Sensor 221, vibrating sensor 222 and Smoke Sensor 223 are spent, available for the detection component ageing of secondary device 1, element mistake The hidden failures such as heat, element vibration damage, solve the single index of standing state monitoring system monitoring device and there is one-sidedness Problem.
With reference to shown in Fig. 3, the monitoring modular 2 also includes the data being connected with the output end of the data acquisition module 22 Processing module 23, the data processing module 23 includes operational amplifier 231, wave filter 232, analog-digital converter 233, scene can Program gate array 234;The input of the operational amplifier 231 is connected with the output end of the data acquisition module 22, is used for The analog signal that the data acquisition module 22 is collected is amplified;The input of the wave filter 232 and the computing The output end connection of amplifier 231, for being filtered processing to the analog signal that the operational amplifier 231 is exported;It is described The input of analog-digital converter 233 is connected with the output end of the wave filter 232, and the simulation that the wave filter 232 is exported is believed Number it is converted into data signal;The output end of the input of the field programmable gate array 234 and the analog-digital converter 233 connects Connect, the data signal progress for the analog-digital converter 233 to be exported, which is handled, obtains the status data.
The monitoring modular 2 also include be connected with the output end of data processing module 23 data group bag module 24, and The data of the output end of data group bag module 24 connection send buffering area 25, the data send the output end of buffering area 25 with The 3G communications sending module 21 is connected;The data that the background module 3 includes being connected with the 3G communication receipt modules 31 connect Buffering area 33 is received, the data being connected with the output end of the data receiver buffering area 33 unpack module 34;The data group Bao Mo Block 24, which is used to package the status data, to be obtained packet and the packet is sent into the data transmission buffering Area 25;The data, which send buffering area 25, to be used for data storage bag and reads forwarding for 3G communication sending modules 21;It is described 3G communication receipt modules 31 are constantly in listening state, once the packet for having the 3G communications sending module 21 to send is reached, The data receiver buffering area 33 is then read into, the data receiver buffering area 33 is used to store the packet;The data Unpacking module 34 is used to by the packet unpack obtaining the status data.Above-mentioned technical proposal can be effectively improved Data processing speed.
The background module 3 also includes real-time data base 35, historical data base 36 and Refresh Data module 37, the number It is used for the status data according to refresh module 37 and writes the real-time data base 35 and the historical data base 36.The real-time number According to the status data in storehouse 35 can because the secondary device condition monitoring system based on 3G radio communications is restarted and removed, And the status data in the historical data base 36 will not be because of the secondary device status monitoring system based on 3G radio communications Restarting and being eliminated for system, is regularly removed unless the historical data base 36 is provided with itself.
The background module 3 also includes data display module 38, and the data display module 38 is used to obtain described real-time Status data and the confession man-machine interface 32 in database are read out display, and the data display module 32 is additionally operable to obtain The status data in preset time in historical data base simultaneously generates waveform chart and is read out for the man-machine interface 32 aobvious Show.User can check the real-time status data of secondary device 1, it is known that the Health Situation of the secondary device 1, and according to institute State the healthy trend that waveform chart knows the secondary device 1.
The background module 3 also includes data analysis module 39, for reading the shape in the analysis real-time data base 35 Whether state data have mutation, and the mutation recorded wave file 40 for recording accidental data is generated if having and the accidental data is supplied Display is read out to the man-machine interface 32.User can judge the health status of secondary device 1 according to the accidental data.
The background module 3 also includes fault location module 41, and the fault location module 41 is used to read described in analysis Status data in real-time data base 35 and the localization of faults simultaneously supply the man-machine interface 32 and are read out display.User can be with By watching the display of the man-machine interface 32 it is known which secondary device 1 breaks down, because data acquisition module A collection point one monitoring point of correspondence of block 22.
The background module 3 also includes analysis expert module 42, and the analysis expert module 42 is used for the status number Contrasted according to the first preset value, the second preset value, first preset value is the state that the secondary device 1 breaks down Data critical value, when the status data value is more than first preset value, the analysis expert module 42 passes through man-machine boundary The display alarm of face 32, such as sending noise or flicker, reminds user that the secondary device 1 is changed or examined in time Repair.The analysis expert module 40 also count the status data value more than second preset value be less than the first preset value when It is long, when the status data value of the secondary device 1 is more than second preset value for a long time, show the secondary device 1 In sub-health state, the analysis expert module 40 is according to the duration intelligent decision and the healthy shape of assessment secondary device 1 Condition and automatic feedback result, user can just change before the secondary device 1 breaks down to the secondary device 1 Or maintenance.Simplify amount of user effort, effectively improve operating efficiency, the hidden failures of secondary device 1 are found in time.
As shown in figure 4,2 points of the monitoring modular is to be provided with power supply on mainboard 200 and expansion board 201, the mainboard 200 The data acquisition module 22 and the number are provided with module 26 and 3G communication sending modules 21, the expansion board 201 According to processing module 23.It is divided to mainboard 200 and the mode of the 201 liang big module design of expansion board to follow the principle of modularized design, is easy to Maintenance and expansion, are later stage extension, safeguard and provide interface, improve efficiency.
Obviously, the above embodiment of the present invention is only intended to clearly illustrate example of the present invention, and is not pair The restriction of embodiments of the present invention.For those of ordinary skill in the field, may be used also on the basis of the above description To make other changes in different forms.There is no necessity and possibility to exhaust all the enbodiments.It is all this Any modifications, equivalent substitutions and improvements made within the spirit and principle of invention etc., should be included in the claims in the present invention Protection domain within.

Claims (3)

1. a kind of secondary device condition monitoring system based on 3G radio communications, including secondary device, it is characterised in that:Also include Monitoring modular, background module and public network name server, the monitoring modular is provided with 3G communication sending modules, the background module Provided with 3G communication receipt modules and man-machine interface;The 3G communications sending module, the 3G communication receipt modules and the public network Name server is in communication with each other connection two-by-two, and the status data of the secondary device monitored is sent to by the monitoring modular The 3G communications sending module, the 3G communications sending module asks the dynamic of the public network name server acquisition background module The status data is sent to the 3G communications receptions by IP address, the 3G communications sending module according to the dynamic IP addressing Module, the 3G communication receipt modules by the status data received be sent to the background module stored, analyzed, Handle and shown by man-machine interface;
The monitoring modular also include data acquisition module, the data acquisition module include temperature sensor, vibrating sensor with And Smoke Sensor;
The monitoring modular also includes the data processing module being connected with the output end of the data acquisition module, the data processing Module includes:
Operational amplifier, input is connected with the output end of the data acquisition module, for the data acquisition module to be adopted The analog signal collected is amplified;
Wave filter, input is connected with the output end of the operational amplifier, for the simulation exported to the operational amplifier Signal is filtered processing;
Analog-digital converter, input is connected with the output end of the wave filter, and the analog signal that the wave filter is exported is changed Into data signal;Field programmable gate array, input is connected with the output end of the analog-digital converter, for by the modulus The data signal progress of converter output, which is handled, obtains the status data;
The monitoring modular also includes the data group bag module and the data group being connected with the data processing module output end The data of bag module output end connection send buffering area, and the output end of the data transmission buffering area communicates with the 3G sends mould Block is connected;The background module includes the data receiver buffering area being connected with the 3G communication receipt modules, is connect with the data The data for receiving the output end connection of buffering area unpack module;
The data group bag module is used to package the status data to obtain packet and be sent to the packet The data send buffering area;
The data, which send buffering area, to be used for data storage bag and reads forwarding for 3G communication sending modules;
The data receiver buffering area is used to store the packet that the 3G communication receipt modules are sended over;
The data, which unpack module, to be used to by the packet unpack obtaining the status data;
The background module also includes real-time data base, historical data base and Refresh Data module, the Refresh Data module The real-time data base and the historical data base are write for the status data;
The background module also includes data analysis module, and the data analysis module is used to read the analysis real-time data base In status data whether have mutation, mutation recorded wave file for recording accidental data is generated if having and by the mutation count Display is read out according to the man-machine interface is supplied;
The background module also includes fault location module, and the fault location module is used to read the analysis real-time data base In status data and the localization of faults and supply the man-machine interface and be read out display;
The background module also includes analysis expert module, and the analysis expert module is used for the shape in the historical data base State data and the first preset value, the second preset value are contrasted, when the status data value is more than first preset value, institute State analysis expert module and pass through man-machine interface display alarm;The analysis expert module also counts the status data value more than institute State the duration that the second preset value is less than the first preset value, intelligent decision and the health status and automatic feedback knot for assessing secondary device Fruit simultaneously supplies the man-machine interface and is read out display.
2. the secondary device condition monitoring system according to claim 1 based on 3G radio communications, it is characterised in that:It is described Background module also includes data display module, and the data display module is used to obtain the status data in the real-time data base And display is read out for the man-machine interface, the data display module is additionally operable to obtain the preset time in historical data base Interior status data simultaneously generates waveform chart and is read out display for the man-machine interface.
3. the secondary device condition monitoring system according to claim 1 based on 3G radio communications, it is characterised in that:It is described Monitoring modular, which is divided on mainboard and expansion board, the mainboard, is provided with power module and 3G communication sending modules, the expansion The data acquisition module and the data processing module are provided with panel.
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Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105628100A (en) * 2016-01-25 2016-06-01 夏继英 Multi-signal monitoring communication circuit system
CN105955366A (en) * 2016-06-16 2016-09-21 国家电网公司 Detection controller for operating environment of secondary device
CN106249675A (en) * 2016-08-03 2016-12-21 合肥奇也信息科技有限公司 A kind of production line job failure on-line monitoring processing system
CN106658580B (en) * 2017-02-13 2023-07-21 云南电网有限责任公司电力科学研究院 Distributed fault positioning system and method based on WIFI
CN107769957B (en) * 2017-08-30 2018-07-06 贵州白山云科技有限公司 A kind of domain name system failure cause analysis method and device

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202041229U (en) * 2011-02-24 2011-11-16 电子科技大学 Gas utensil fault monitoring and diagnosis system based on 3G (The 3rd Generation Telecommunication) network
CN102435229A (en) * 2011-11-18 2012-05-02 陕西省电力公司陕西电力超高压运行公司 3G (3rd Generation) network-based environmental defilement monitoring and line insulation analyzing system
CN202836615U (en) * 2012-08-21 2013-03-27 山东雅创电力科技有限公司 Intelligent electrical network comprehensive on-line monitoring system
CN103327070A (en) * 2013-05-16 2013-09-25 国家电网公司 Electric transmission line multi-state information monitoring system based on 3G internet of things technology
CN103837786A (en) * 2014-03-28 2014-06-04 国网上海市电力公司 State monitoring system and monitoring method of intelligent distribution network equipment
CN103941139A (en) * 2014-04-21 2014-07-23 江苏物联网研究发展中心 Electric leakage monitoring and protecting system based on internet of things technology
CN104216361A (en) * 2014-08-11 2014-12-17 长园深瑞继保自动化有限公司 State monitoring system for secondary device

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202041229U (en) * 2011-02-24 2011-11-16 电子科技大学 Gas utensil fault monitoring and diagnosis system based on 3G (The 3rd Generation Telecommunication) network
CN102435229A (en) * 2011-11-18 2012-05-02 陕西省电力公司陕西电力超高压运行公司 3G (3rd Generation) network-based environmental defilement monitoring and line insulation analyzing system
CN202836615U (en) * 2012-08-21 2013-03-27 山东雅创电力科技有限公司 Intelligent electrical network comprehensive on-line monitoring system
CN103327070A (en) * 2013-05-16 2013-09-25 国家电网公司 Electric transmission line multi-state information monitoring system based on 3G internet of things technology
CN103837786A (en) * 2014-03-28 2014-06-04 国网上海市电力公司 State monitoring system and monitoring method of intelligent distribution network equipment
CN103941139A (en) * 2014-04-21 2014-07-23 江苏物联网研究发展中心 Electric leakage monitoring and protecting system based on internet of things technology
CN104216361A (en) * 2014-08-11 2014-12-17 长园深瑞继保自动化有限公司 State monitoring system for secondary device

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