CN104880222A - 3G wireless communication-based secondary equipment state monitoring system - Google Patents
3G wireless communication-based secondary equipment state monitoring system Download PDFInfo
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Abstract
The invention relates to a 3G wireless communication-based secondary equipment state monitoring system. The technical characteristics are that the system includes a monitoring module, a background module and a public network domain name server, wherein the monitoring module is provided with a 3G communication sending module, and the background module is provided with a 3G communication receiving module and a human-computer interface; and the 3G communication sending module, the 3G communication receiving module and the public network domain name server are in mutual communication connection, the monitoring module sends monitored state data to the 3G communication sending module, the 3G communication sending module asks the public network domain name server for obtaining a dynamic IP address of the background module and sends the state data to the 3G communication receiving module, and the 3G communication receiving module sends the received state data to the background module to be stored, analyzed, processed and displayed through the human-computer interface. The 3G wireless communication-based secondary equipment state monitoring system provided by the invention is reasonable in design, and can effectively monitor a covert fault of secondary equipment, thereby achieving the purposes of locating and eliminating a hidden fault, simplifying the workload of a user and improving reliability of a power grid.
Description
Technical field
The present invention relates to a kind of electric power equipment inspect system, is a kind of secondary device condition monitoring system based on 3G radio communication.
Background technology
In intelligent grid, for guaranteeing that electrical network can reliably operate, secondary device (monitor the working condition of electrical primary equipment, the complementary electrical equipment of control and protection be called secondary device) is by extensively.During intelligent substation long-play, maintainer can not fully recognize secondary device state from secondary device operation information, as the hidden failure such as component ageing, element over-temperature, element oscillates damage of secondary device, not too applicable for the hidden failure investigation of equipment by traditional fault detect, fault analysis and Fault Locating Method, therefore the monitoring of configuration status of support, state analysis is needed, the monitoring system of localization of fault.Traditional condition monitoring system uses WLAN (wireless local area network) monitoring single signal amount, is used for the monitoring of primary equipment, there is signal weak, apart from short, the weakness such as complicated of arranging net, and do not support directly long-range checking and total score desorption device status information function.Mainly there is following problem in prior art:
(1) be difficult to realize on-line fault diagnosis, localization of fault and repair based on condition of component;
(2) cannot the misoperation that causes because of self device reason of preventing secondary equipment;
(3) only judgment device state is carried out by monitoring single performance index, can not the state of consersion unit all-sidedly and accurately;
(4) in order to ensure the normal operation of existing secondary device to be monitored, can not use the scheme affecting existing secondary device, conventional embedding sensor also can not adapt to on-the-spot demand well by the method for secondary device network interface transmission data;
(5) stand in wireless lan signal weak, apart from short, complexity of arranging net, can not directly long-rangely check and analytical equipment status information, and the host-host protocol adopted is short-range communication protocols (as Zigbee protocol), be only applicable to the application to the monitoring of equipment microenvironment among a small circle.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, a kind of secondary device condition monitoring system based on 3G radio communication is provided, for monitoring the hidden failure of secondary device, reach location to get rid of hidden fault, simplify amount of user effort, improve the object of electric network reliability, and the wireless LAN communication mode solving standing state monitoring system exist signal weak, do not support directly long-rangely to check the confinement problems with total score desorption device status information function apart from short, the weakness such as complicated of arranging net.
The present invention solves its technical matters and takes following technical scheme to realize:
A kind of secondary device condition monitoring system based on 3G radio communication, comprise secondary device, also comprise monitoring modular, background module and public network name server, described monitoring modular is provided with 3G communication sending module, and described background module is provided with 3G communication receipt module and man-machine interface, described 3G communication sending module, described 3G communication receipt module and described public network name server communicate to connect between two mutually, the status data of the described secondary device monitored is sent to described 3G communication sending module by described monitoring modular, described in the request of described 3G communication sending module, public network name server obtains the dynamic IP addressing of background module, described status data is sent to described 3G communication receipt module according to described dynamic IP addressing by described 3G communication sending module, the described status data received sends to described background module to store by described 3G communication receipt module, analyze, process is also shown by man-machine interface.
And described monitoring modular also comprises data acquisition module, described data acquisition module comprises temperature sensor, vibration transducer and smoke transducer.
And described monitoring modular also comprises the data processing module be connected with the output terminal of described data acquisition module, and this data processing module comprises:
Operational amplifier, input end is connected with the output terminal of described data acquisition module, for by described data collecting module collected to simulating signal amplify;
Wave filter, input end is connected with the output terminal of described operational amplifier, carries out filtering process for the simulating signal exported described operational amplifier;
Analog to digital converter, input end is connected with the output terminal of described wave filter, converts the simulating signal that described wave filter exports to digital signal; Field programmable gate array, input end is connected with the output terminal of described analog to digital converter, and the digital signal for being exported by described analog to digital converter is carried out process and obtained described status data.
And, described monitoring modular also comprises the data group bag module be connected with described data processing module output terminal, the data be connected with described data group bag module output terminal send buffer zone, and described data send the output terminal of buffer zone and the described 3G sending module that communicates and are connected; Described background module comprises the data receiver buffer zone be connected with described 3G communication receipt module, the data parse module be connected with the output terminal of described data receiver buffer zone;
Described data group bag module is used for described status data to package and obtains packet and described Packet Generation is sent buffer zone to described data;
Described data send buffer zone and forward for storing packet and reading for described 3G communication sending module;
The described packet that described data receiver buffer zone sends over for storing described 3G communication receipt module;
Described data parse module is used for described packet to carry out unpacking to obtain described status data.
And described background module also comprises real-time data base, historical data base and Refresh Data module, described Refresh Data module is used for described status data and writes described real-time data base and described historical data base.
And, described background module also comprises data display module, described data display module is for obtaining status data in described real-time data base and carrying out reading displayed for described man-machine interface, and described data display module also generates waveform chart and carries out reading displayed for described man-machine interface for the status data that obtains in the Preset Time in historical data base.
And, described background module also comprises data analysis module, whether described data analysis module has sudden change for reading the status data analyzed in described real-time data base, if having, generates the sudden change recorded wave file for recording accidental data and described accidental data is supplied described man-machine interface and carry out reading displayed.
And described background module also comprises localization of fault module, described localization of fault module analyzes status data in described real-time data base and the localization of faults supply described man-machine interface and carry out reading displayed for reading.
And, described background module also comprises analysis expert module, described analysis expert module is used for the status data in described historical data base and the first preset value, the second preset value to contrast, when described status data value is greater than described first preset value, described analysis expert module is by man-machine interface display alarm; Described analysis expert module is also added up described status data value and is greater than the duration that described second preset value is less than the first preset value, and the health status of intelligent decision and assessment secondary device automatic feedback result also supply described man-machine interface and carry out reading displayed.
And described monitoring modular is divided into mainboard and expansion board, described mainboard is provided with power module and described 3G communication sending module, described expansion board is provided with described data acquisition module and described data processing module.
Advantage of the present invention and good effect are:
The present invention is reasonable in design, effectively can monitor the hidden failure of secondary device, reaches location and gets rid of hidden fault, simplify amount of user effort, improve the object of electric network reliability.Use 3G communication as the communication mode of secondary device status monitoring, the wireless LAN communication mode solving standing state monitoring system exist signal weak, apart from short, the weakness such as complicated of arranging net, and do not support directly long-rangely to check the confinement problems with total score desorption device status information function.
Accompanying drawing explanation
Fig. 1 is system connection diagram of the present invention;
Fig. 2 is data acquisition module structural representation of the present invention;
Fig. 3 is data processing module structural representation of the present invention;
Fig. 4 is monitoring modular hardware structure schematic diagram of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the embodiment of the present invention is further described:
A kind of secondary device condition monitoring system based on 3G radio communication, as shown in Figure 1, comprise secondary device 1, monitoring modular 2, background module 3, public network name server 4, described monitoring modular 2 is provided with 3G communication sending module 21, and described background module 3 is provided with 3G communication receipt module 31 and man-machine interface 32.Described 3G communication sending module 21, described 3G communication receipt module 31 are connected by wan communication between two each other with described public network name server 4, the status data of the described secondary device 1 monitored is sent to described 3G communication sending module 21 by described monitoring modular 2, the transmission of described 3G communication sending module 21 obtains the request of the dynamic IP addressing of background module 3 to described public network name server 4, and described public network name server 4 receives the dynamic IP addressing of request rear acquisition background module 3 and is supplied to described 3G communication sending module 21.Described status data is sent to described 3G communication receipt module 31 according to described dynamic IP addressing by the described 3G sending module 21 that communicates, and the described status data received is sent to described background module 3 to carry out storing, analyzes, processes and shown by man-machine interface 32 by described 3G communication receipt module 31.
As shown in Figure 2, described monitoring modular 2 also comprises data acquisition module 22, described data acquisition module 22 comprises temperature sensor 221, vibration transducer 222 and smoke transducer 223, can be used for detecting the hidden failures such as secondary device 1 component ageing, element over-temperature, element oscillates damage, solve the problem that the single index of standing state monitoring system monitoring equipment exists one-sidedness.
Shown in figure 3, described monitoring modular 2 also comprises the data processing module 23 be connected with the output terminal of described data acquisition module 22, and described data processing module 23 comprises operational amplifier 231, wave filter 232, analog to digital converter 233, field programmable gate array 234; The input end of described operational amplifier 231 is connected with the output terminal of described data acquisition module 22, amplifies for the simulating signal collected by described data acquisition module 22; The input end of described wave filter 232 is connected with the output terminal of described operational amplifier 231, carries out filtering process for the simulating signal exported described operational amplifier 231; The input end of described analog to digital converter 233 is connected with the output terminal of described wave filter 232, converts the simulating signal that described wave filter 232 exports to digital signal; The input end of described field programmable gate array 234 is connected with the output terminal of described analog to digital converter 233, and the digital signal for being exported by described analog to digital converter 233 is carried out process and obtained described status data.
Described monitoring modular 2 also comprises the data group bag module 24 be connected with described data processing module 23 output terminal, the data be connected with described data group bag module 24 output terminal send buffer zone 25, and described data send the output terminal of buffer zone 25 and the described 3G sending module 21 that communicates and are connected; Described background module 3 comprises the data receiver buffer zone 33 be connected with described 3G communication receipt module 31, the data parse module 34 be connected with the output terminal of described data receiver buffer zone 33; Described data group bag module 24 obtains packet for being packaged by described status data and described Packet Generation is sent buffer zone 25 to described data; Described data send buffer zone 25 and forward for storing packet and reading for described 3G communication sending module 21; Described 3G communication receipt module 31 is in listening state always, once the packet having described 3G communication sending module 21 to send arrives, be then read into described data receiver buffer zone 33, described data receiver buffer zone 33 is for storing described packet; Described data parse module 34 obtains described status data for being carried out unpacking by described packet.Technique scheme can improve data processing speed effectively.
Described background module 3 also comprises real-time data base 35, historical data base 36 and Refresh Data module 37, and described Refresh Data module 37 writes described real-time data base 35 and described historical data base 36 for described status data.Status data in described real-time data base 35 can be removed because of described the restarting of secondary device condition monitoring system based on 3G radio communication, and the status data in described historical data base 36 can not be eliminated because of described the restarting of secondary device condition monitoring system based on 3G radio communication, remove unless described historical data base 36 itself is provided with timing.
Described background module 3 also comprises data display module 38, described data display module 38 is for obtaining status data in described real-time data base and carrying out reading displayed for described man-machine interface 32, and described data display module 32 also generates waveform chart and carries out reading displayed for described man-machine interface 32 for the status data that obtains in the Preset Time in historical data base.User can check described secondary device 1 real-time status data, knows the Health Situation of described secondary device 1, and knows the healthy trend of described secondary device 1 according to described waveform chart.
Described background module 3 also comprises data analysis module 39, whether there is sudden change for reading the status data analyzed in described real-time data base 35, if having, generating the sudden change recorded wave file 40 for recording accidental data and described accidental data being supplied described man-machine interface 32 and carrying out reading displayed.User can judge secondary device 1 health status according to described accidental data.
Described background module 3 also comprises localization of fault module 41, and described localization of fault module 41 analyzes status data in described real-time data base 35 and the localization of faults supply described man-machine interface 32 and carry out reading displayed for reading.By the display of the described man-machine interface 32 of viewing, user just can know which secondary device 1 breaks down, because a corresponding monitoring point, data acquisition module 22 collection point.
Described background module 3 also comprises analysis expert module 42, described analysis expert module 42 is for contrasting described status data and the first preset value, the second preset value, described first preset value is the status data critical value that described secondary device 1 breaks down, when described status data value is greater than described first preset value, described analysis expert module 42 is by man-machine interface 32 display alarm, such as send noise or flicker etc., reminding user is changed described secondary device 1 or is overhauled in time.Described analysis expert module 40 is also added up described status data value and is greater than the duration that described second preset value is less than the first preset value, when the status data value of described secondary device 1 is greater than described second preset value for a long time, show that described secondary device 1 is in sub-health state, described analysis expert module 40 is according to described duration intelligent decision and the assessment health status of secondary device 1 and automatic feedback result, and user can just change described secondary device 1 or overhaul before described secondary device 1 breaks down.Simplify amount of user effort, effectively increase work efficiency, Timeliness coverage secondary device 1 hidden failures.
As shown in Figure 4, described monitoring modular 2 is divided into mainboard 200 and expansion board 201, described mainboard 200 is provided with power module 26 and described 3G communication sending module 21, described expansion board 201 is provided with described data acquisition module 22 and described data processing module 23.Divide the mode of mainboard 200 and expansion board 201 liang of large modular design to follow the principle of modular design, be convenient to maintenance and expansion, be later stage expansion, safeguard and interface is provided, raise the efficiency.
Obviously, the above embodiment of the present invention is only for example of the present invention is clearly described, and is not the restriction to embodiments of the present invention.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all embodiments.All any amendments done within the spirit and principles in the present invention, equivalent to replace and improvement etc., within the protection domain that all should be included in the claims in the present invention.
Claims (10)
1. the secondary device condition monitoring system based on 3G radio communication, comprise secondary device, it is characterized in that: also comprise monitoring modular, background module and public network name server, described monitoring modular is provided with 3G communication sending module, and described background module is provided with 3G communication receipt module and man-machine interface, described 3G communication sending module, described 3G communication receipt module and described public network name server communicate to connect between two mutually, the status data of the described secondary device monitored is sent to described 3G communication sending module by described monitoring modular, described in the request of described 3G communication sending module, public network name server obtains the dynamic IP addressing of background module, described status data is sent to described 3G communication receipt module according to described dynamic IP addressing by described 3G communication sending module, the described status data received sends to described background module to store by described 3G communication receipt module, analyze, process is also shown by man-machine interface.
2. the secondary device condition monitoring system based on 3G radio communication according to claim 1, it is characterized in that: described monitoring modular also comprises data acquisition module, this data acquisition module comprises temperature sensor, vibration transducer and smoke transducer.
3. the secondary device condition monitoring system based on 3G radio communication according to claim 2, is characterized in that: described monitoring modular also comprises the data processing module be connected with the output terminal of described data acquisition module, and this data processing module comprises:
Operational amplifier, input end is connected with the output terminal of described data acquisition module, for by described data collecting module collected to simulating signal amplify;
Wave filter, input end is connected with the output terminal of described operational amplifier, carries out filtering process for the simulating signal exported described operational amplifier;
Analog to digital converter, input end is connected with the output terminal of described wave filter, converts the simulating signal that described wave filter exports to digital signal; Field programmable gate array, input end is connected with the output terminal of described analog to digital converter, and the digital signal for being exported by described analog to digital converter is carried out process and obtained described status data.
4. the secondary device condition monitoring system based on 3G radio communication according to claim 3, it is characterized in that: described monitoring modular also comprises the data group bag module be connected with described data processing module output terminal, the data be connected with described data group bag module output terminal send buffer zone, described data send the output terminal of buffer zone and the described 3G sending module that communicates and are connected; Described background module comprises the data receiver buffer zone be connected with described 3G communication receipt module, the data parse module be connected with the output terminal of described data receiver buffer zone;
Described data group bag module is used for described status data to package and obtains packet and described Packet Generation is sent buffer zone to described data;
Described data send buffer zone and forward for storing packet and reading for described 3G communication sending module;
The described packet that described data receiver buffer zone sends over for storing described 3G communication receipt module;
Described data parse module is used for described packet to carry out unpacking to obtain described status data.
5. the secondary device condition monitoring system based on 3G radio communication according to claim 1, it is characterized in that: described background module also comprises real-time data base, historical data base and Refresh Data module, described Refresh Data module is used for described status data and writes described real-time data base and described historical data base.
6. the secondary device condition monitoring system based on 3G radio communication according to claim 5, it is characterized in that: described background module also comprises data display module, described data display module is for obtaining status data in described real-time data base and carrying out reading displayed for described man-machine interface, and described data display module also generates waveform chart and carries out reading displayed for described man-machine interface for the status data that obtains in the Preset Time in historical data base.
7. the secondary device condition monitoring system based on 3G radio communication according to claim 5, it is characterized in that: described background module also comprises data analysis module, whether described data analysis module has sudden change for reading the status data analyzed in described real-time data base, if having, generates the sudden change recorded wave file for recording accidental data and described accidental data is supplied described man-machine interface and carry out reading displayed.
8. the secondary device condition monitoring system based on 3G radio communication according to claim 5, it is characterized in that: described background module also comprises localization of fault module, described localization of fault module analyzes status data in described real-time data base and the localization of faults supply described man-machine interface and carry out reading displayed for reading.
9. the secondary device condition monitoring system based on 3G radio communication according to claim 5, it is characterized in that: described background module also comprises analysis expert module, described analysis expert module is used for the status data in described historical data base and the first preset value, the second preset value to contrast, when described status data value is greater than described first preset value, described analysis expert module is by man-machine interface display alarm; Described analysis expert module is also added up described status data value and is greater than the duration that described second preset value is less than the first preset value, and the health status of intelligent decision and assessment secondary device automatic feedback result also supply described man-machine interface and carry out reading displayed.
10. the secondary device condition monitoring system based on 3G radio communication according to claim 3, it is characterized in that: described monitoring modular is divided into mainboard and expansion board, described mainboard is provided with power module and described 3G communication sending module, described expansion board is provided with described data acquisition module and described data processing module.
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