CN104198830B - Based on electromagnetic environment real-time monitoring system and the method for dual communication passage switching at runtime - Google Patents
Based on electromagnetic environment real-time monitoring system and the method for dual communication passage switching at runtime Download PDFInfo
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Abstract
The invention discloses the electromagnetic environment real-time monitoring system based on dual communication passage switching at runtime, its power frequency electric field sensor and power frequency magnetic field sensor pass through wave filter all successively, amplifier RMS conversion device connects Central Control Module, first signal output part of Central Control Module connects the input contact of the first switches set of electronic control switch, secondary signal output terminal connects the input contact of second switch group, the output contact of the first switches set connects the first fiber optic telecommunications module, the output contact of second switch group connects the first bluetooth communication, the switch control rule output terminal of Central Control Module connects electronic control switch, first fiber optic telecommunications module and the first bluetooth communication are all connected far-end and analyze display device, first switches set is normally closed, and second switch group is for often to open.The present invention realizes treating the power frequency electric field of test cross stream project of transmitting and converting electricity and the Real-Time Monitoring of power frequency magnetic field under unsupervised condition.
Description
Technical field
The present invention relates to AC input transformation engineering electromagnetic environment monitor technical field, refer to a kind of electromagnetic environment real-time monitoring system based on dual communication passage switching at runtime and method particularly.
Background technology
Along with socioeconomic development, project of transmitting and converting electricity obtains swift and violent development, and power grid construction, while support economic development, inevitably brings the such as series of problems such as electromagnetic environmental impact, public's environmental protection complaint.Along with society and the public safeguard that the consciousness of self environmental protection rights and interests improves constantly, project of transmitting and converting electricity construction project is paid close attention to more and more widely.In these years, the masses for electric power facility construction bring the attention rate of environmental problem more and more higher, electromagnetic environment monitoring has seemed ever more important.
At present, the electromagnetic environment monitor device of the AC input transformation engineering that China is traditional adopts the wired mode such as connecting line, optical cable to carry out in-site measurement and data transmission mostly, data analysis and excavation are carried out by hand-kept monitor value, later stage in survey crew scene, situ measurements is easily because the short personnel's of the causing distance of length of cable closely causes electromagnetic environment to distort, (any object is put into power frequency electric field environment and the electric field environment of surrounding all can be made to produce distortion to cause measurement result distortion, and human body itself has bioelectric current, can have an impact to measurement result); On the other hand, single communication mode is comparatively simple, and when connecting line breaks stock or loose contact, gently then measurement result exists comparatively big error, heavy then cannot obtain Real-time Monitoring Data.In the case, traditional monitoring device, from data recording field mode and single communication pattern, brings great inconvenience to the work of AC input transformation engineering electromagnetic environment monitor.
Summary of the invention
Object of the present invention is exactly to provide a kind of electromagnetic environment real-time monitoring system based on dual communication passage switching at runtime and method, this system based on optical-fiber communication channel, bluetooth communication channel is cold standby, when optical-fibre channel proper communication, Bluetooth channels is in redundancy cold standby state, does not work completely; When optical-fibre channel cannot normally work, the Bluetooth channels of redundancy receives steering order, switched by automatic switch and realize communication from maintaining operation, guarantee that data stabilization, reliable diffusion are to data receipt unit, non magnetic waterproof anti induction support eliminates air humidity and support itself to the impact of measurement result, this monitoring system automatically can complete under unsupervised condition, finally realizes the Real-Time Monitoring of power frequency electric field and power frequency magnetic field.
For realizing this object, the electromagnetic environment real-time monitoring system based on dual communication passage switching at runtime designed by the present invention, it is characterized in that: it comprises supervising device terminal shell, far-end analyzes display device, the non magnetic waterproof anti induction support be connected with supervising device terminal shell, wherein, power frequency electric field sensor is provided with in described supervising device terminal shell, power frequency magnetic field sensor, power frequency electric field wave filter, power frequency electric field amplifier, power frequency electric field RMS conversion device, power frequency magnetic field wave filter, power frequency magnetic field amplifier, power frequency magnetic field RMS conversion device, Central Control Module, electronic control switch and the first data communication module,
The signal output part of described power frequency electric field sensor connects the signal input part of power frequency electric field wave filter, the signal output part of power frequency electric field wave filter connects the signal input part of power frequency electric field amplifier, the signal output part of power frequency electric field amplifier connects the signal input part of power frequency electric field RMS conversion device, and the signal output part of power frequency electric field RMS conversion device connects the power frequency electric field signal input part of Central Control Module;
The signal output part of described power frequency magnetic field sensor connects the signal input part of power frequency magnetic field wave filter, the signal output part of power frequency magnetic field wave filter connects the signal input part of power frequency magnetic field amplifier, the signal output part of power frequency magnetic field amplifier connects the signal input part of power frequency magnetic field RMS conversion device, and the signal output part of power frequency magnetic field RMS conversion device connects the power frequency magnetic field signal input part of Central Control Module;
First signal output part of described Central Control Module connects the input contact of the first switches set of electronic control switch, the secondary signal output terminal of Central Control Module connects the input contact of the second switch group of electronic control switch, the output contact of the first switches set of electronic control switch connects the first communication ends of the first fiber optic telecommunications module of the first data communication module, the output contact of the second switch group of electronic control switch connects the first communication ends of the first bluetooth communication of the first data communication module, the switch controlling signal output terminal of described Central Control Module connects the switch controlling signal input end of electronic control switch, the second communication end of described first fiber optic telecommunications module and the second communication end of the first bluetooth communication are all connected far-end and analyze display device,
First switches set of described electronic control switch is normally closed switch group, and the second switch group of electronic control switch is normal open switch group.
An AC input transformation engineering electromagnetic environment method of real-time for the above-mentioned electromagnetic environment real-time monitoring system based on dual communication passage switching at runtime, is characterized in that: it comprises the steps:
Step 1: described supervising device terminal shell is erected at the specified location around AC input transformation engineering to be measured by non magnetic waterproof anti induction support, described power frequency electric field sensor responds to the real-time power frequency electric field signal of specified location around AC input transformation engineering to be measured, and the real-time power frequency electric field signal sensed is converted to real-time power frequency electric field simulating signal, this power frequency electric field simulating signal is flowed to power frequency electric field wave filter by power frequency electric field sensor;
The real-time power frequency magnetic field signal of specified location around described power frequency magnetic field sensor sensing AC input transformation to be measured engineering, and the real-time power frequency magnetic field signal sensed is converted to real-time power frequency magnetic field simulating signal, this power frequency magnetic field simulating signal is flowed to power frequency magnetic field wave filter by power frequency magnetic field sensor;
Step 2: described power frequency electric field wave filter and power frequency electric field amplifier carry out filtering to power frequency electric field simulating signal successively and amplify process, and described power frequency electric field amplifier is by filtering and amplify the power frequency electric field analog signal transmission after processing to power frequency electric field RMS conversion device;
Described power frequency magnetic field wave filter and power frequency magnetic field amplifier carry out filtering to power frequency magnetic field simulating signal successively and amplify process, and described power frequency magnetic field amplifier is by filtering and amplify the power frequency magnetic field analog signal transmission after processing to power frequency magnetic field RMS conversion device;
Step 3: described power frequency electric field RMS conversion device carries out RMS conversion process to filtering and the power frequency electric field simulating signal after amplifying process, obtain the effective value of power frequency electric field simulating signal, the effective value of the power frequency electric field simulating signal obtained is transferred to Central Control Module by power frequency electric field RMS conversion device;
Simultaneously, described power frequency magnetic field RMS conversion device carries out RMS conversion process to filtering and the power frequency magnetic field simulating signal after amplifying process, obtain the effective value of power frequency magnetic field simulating signal, the effective value of the power frequency magnetic field simulating signal obtained is transferred to Central Control Module by power frequency magnetic field RMS conversion device;
Step 4: the effective value of the effective value of power frequency electric field simulating signal and power frequency magnetic field simulating signal is carried out power frequency electric field digital signal and the power frequency magnetic field digital signal that analog to digital conversion generates correspondence respectively by described Central Control Module, the first switches set that described Central Control Module controls electronic control switch closes, second switch group disconnects simultaneously, now, power frequency electric field digital signal and power frequency magnetic field digital signal are transferred to the first fiber optic telecommunications module by the first switches set of electronic control switch by Central Control Module, power frequency electric field digital signal and power frequency magnetic field digital signal are analyzed display device by Optical Fiber Transmission to far-end by the first fiber optic telecommunications module,
After the first fiber optic telecommunications module or described optical fiber break down, the first switches set that Central Control Module controls electronic control switch disconnects, second switch group closes simultaneously, now, power frequency electric field digital signal and power frequency magnetic field digital signal are transferred to the first bluetooth communication by the second switch group of electronic control switch by Central Control Module, and power frequency electric field digital signal and power frequency magnetic field digital signal are analyzed display device by Bluetooth signal transmission to far-end by the first bluetooth communication;
Step 5: described far-end is analyzed display device and carried out data analysis to power frequency electric field digital signal and power frequency magnetic field digital signal, and is shown by analysis result.
Beneficial effect of the present invention:
1, the present invention automatically can complete the monitoring of AC input transformation engineering line-frequency induction Electric and magnetic fields data to be measured, transmission, process, excavation and displaying under unsupervised condition, realizes treating the power frequency electric field of test cross stream project of transmitting and converting electricity and the Real-Time Monitoring of power frequency magnetic field;
2, the Monitoring Data communication mode that the present invention adopts based on optical-fiber communication channel, bluetooth communication channel is cold standby, under the condition that fiber optic telecommunications module or described optical fiber breaks down can be realized, bluetooth communication is automatically cut and is put into operation, guarantees the monitoring that electromagnetic environment data are reliable, stable, real-time;
3, non magnetic waterproof anti induction support of the present invention eliminates air humidity and support itself to the impact of monitoring result, improves the accuracy treating the power frequency electric field of test cross stream project of transmitting and converting electricity and the monitoring result of power frequency magnetic field.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Wherein, 1-power frequency electric field sensor, 2-power frequency magnetic field sensor, 3-power frequency electric field wave filter, 4-power frequency electric field amplifier, 5-power frequency electric field RMS conversion device, 6-power frequency magnetic field wave filter, 7-power frequency magnetic field amplifier, 8-power frequency magnetic field RMS conversion device, 9-Central Control Module, 10-set-reset device, 11-electronic control switch, 11.1-the first switches set, 11.2-second switch group, 12-the first data communication module, 12.1-the first fiber optic telecommunications module, 12.2-the first bluetooth communication, 13-communication detection device, 14-the second data communication module, 14.1-the second fiber optic telecommunications module, 14.2-the second bluetooth communication, 15-data processing module, 16-display, 17-non magnetic waterproof anti induction support, 18-supervising device terminal shell.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail:
The present invention based on optical-fiber communication channel, bluetooth communication channel is cold standby, when optical-fibre channel proper communication, Bluetooth channels is in redundancy cold standby state, does not work completely; When optical-fibre channel cannot normally work, the steering order of the Bluetooth channels receiving center control module of redundancy, switched by automatic switch and realize communication from maintaining operation, guarantee data stabilization, reliable diffusion analyzes display device to far-end, non magnetic waterproof anti induction support eliminates air humidity and support itself to the impact of measurement result, finally realizes the Real-Time Monitoring of power frequency electric field and power frequency magnetic field.Concrete structure of the present invention and method as follows:
The electromagnetic environment real-time monitoring system based on dual communication passage switching at runtime as shown in Figure 1, it comprises supervising device terminal shell 18 (plastic casing), far-end analyzes display device, the non magnetic waterproof anti induction support 17 be connected with supervising device terminal shell 18, wherein, power frequency electric field sensor 1 is provided with in described supervising device terminal shell 18, power frequency magnetic field sensor 2, power frequency electric field wave filter 3, power frequency electric field amplifier 4, power frequency electric field RMS conversion device 5, power frequency magnetic field wave filter 6, power frequency magnetic field amplifier 7, power frequency magnetic field RMS conversion device 8, Central Control Module 9, electronic control switch 11 and the first data communication module 12,
The signal output part of described power frequency electric field sensor 1 connects the signal input part of power frequency electric field wave filter 3, the signal output part of power frequency electric field wave filter 3 connects the signal input part of power frequency electric field amplifier 4, the signal output part of power frequency electric field amplifier 4 connects the signal input part of power frequency electric field RMS conversion device 5, and the signal output part of power frequency electric field RMS conversion device 5 connects the power frequency electric field signal input part of Central Control Module 9;
The signal output part of described power frequency magnetic field sensor 2 connects the signal input part of power frequency magnetic field wave filter 6, the signal output part of power frequency magnetic field wave filter 6 connects the signal input part of power frequency magnetic field amplifier 7, the signal output part of power frequency magnetic field amplifier 7 connects the signal input part of power frequency magnetic field RMS conversion device 8, and the signal output part of power frequency magnetic field RMS conversion device 8 connects the power frequency magnetic field signal input part of Central Control Module 9;
First signal output part of described Central Control Module 9 connects the input contact of the first switches set 11.1 of electronic control switch 11, the secondary signal output terminal of Central Control Module 9 connects the input contact of the second switch group 11.2 of electronic control switch 11, the output contact of the first switches set 11.1 of electronic control switch 11 connects the first communication ends of the first fiber optic telecommunications module 12.1 of the first data communication module 12, the output contact of the second switch group 11.2 of electronic control switch 11 connects the first communication ends of the first bluetooth communication 12.2 of the first data communication module 12, the switch controlling signal output terminal of described Central Control Module 9 connects the switch controlling signal input end of electronic control switch 11, second communication end and the second communication end of the first bluetooth communication 12.2 of described first fiber optic telecommunications module 12.1 are all connected far-end and analyze display device,
First switches set 11.1 of described electronic control switch 11 is normally closed switch group, and the second switch group 11.2 of electronic control switch 11 is normal open switch group.
Above-mentioned power frequency electric field sensor 1 and power frequency magnetic field sensor 2 realize the collection of simulant signal of power frequency electric field and the power frequency magnetic field treated around test cross stream project of transmitting and converting electricity.
In technique scheme, described far-end is analyzed display device and is comprised the second data communication module 14, data processing module 15 and display 16, wherein, second data communication module 14 comprises the second fiber optic telecommunications module 14.1 and the second bluetooth communication 14.2, first communication ends of described second fiber optic telecommunications module 14.1 connects the second communication end of described first fiber optic telecommunications module 12.1, first communication ends of the second bluetooth communication 14.2 connects the second communication end of described first bluetooth communication 12.2, the signal input part of the equal connection data processing module 15 of second communication end of described second fiber optic telecommunications module 14.1 and the second bluetooth communication 14.2, the signal output part of data processing module 15 connects the signal input part of display 16.
In technique scheme, it also comprises communication detection device 13, the input end of described communication detection device 13 connects the third communication end of the first fiber optic telecommunications module 12.1 and the first bluetooth communication 12.2, and the output terminal of communication detection device 13 connects the detection signal input end of Central Control Module 9.
In technique scheme, it also comprises set-reset device 10, the signal input part of described set-reset device 10 connects the reseting controling signal output terminal of Central Control Module 9, and the signal output part of described set-reset device 10 connects the reseting controling end of power frequency magnetic field sensor 2.
In technique scheme, the operating voltage of described power frequency electric field sensor 1, Central Control Module 9, first fiber optic telecommunications module 12.1, second fiber optic telecommunications module 14.1, first bluetooth communication 12.2 and the second bluetooth communication 14.2 is 3.3V; The operating voltage of the operational amplifier in described power frequency magnetic field sensor 2, power frequency electric field amplifier 4, the operational amplifier in power frequency magnetic field amplifier 7, power frequency electric field RMS conversion device 5, power frequency magnetic field RMS conversion device 8, set-reset device 10, power frequency electric field wave filter 3, power frequency magnetic field wave filter 6 is ± 5V, and above-mentioned 3.3V and ± 5V voltage are got by the conversion of DC/DC (DC-DC power supply) power transfer module by 12V lithium battery.
Utilize an AC input transformation engineering electromagnetic environment method of real-time for the above-mentioned electromagnetic environment real-time monitoring system based on dual communication passage switching at runtime, it comprises the steps:
Step 1: described supervising device terminal shell 18 by non magnetic waterproof anti induction support 17 be erected at specified location around AC input transformation engineering to be measured (generally in each position along the line of transmission line of electricity as (immediately below transmission line of electricity 5 meters of etc.), the words of general 1.5 to the 2 meters of transformer stations of terrain clearance are generally near main equipment), described power frequency electric field sensor 1 responds to the real-time power frequency electric field signal of specified location around AC input transformation engineering to be measured, and the real-time power frequency electric field signal sensed is converted to real-time power frequency electric field simulating signal, this power frequency electric field simulating signal is flowed to power frequency electric field wave filter 3 by power frequency electric field sensor 1,
The real-time power frequency magnetic field signal of specified location around AC input transformation engineering to be measured responded to by described power frequency magnetic field sensor 2, and the real-time power frequency magnetic field signal sensed is converted to real-time power frequency magnetic field simulating signal, this power frequency magnetic field simulating signal is flowed to power frequency magnetic field wave filter 6 by power frequency magnetic field sensor 2;
Step 2: described power frequency electric field wave filter 3 and power frequency electric field amplifier 4 carry out filtering to power frequency electric field simulating signal successively and amplify process, and described power frequency electric field amplifier 4 is by filtering and amplify the power frequency electric field analog signal transmission after processing to power frequency electric field RMS conversion device 5;
Described power frequency magnetic field wave filter 6 and power frequency magnetic field amplifier 7 carry out filtering to power frequency magnetic field simulating signal successively and amplify process, and described power frequency magnetic field amplifier 7 is by filtering and amplify the power frequency magnetic field analog signal transmission after processing to power frequency magnetic field RMS conversion device 8;
Step 3: the 5 pairs of filtering of described power frequency electric field RMS conversion device and the power frequency electric field simulating signal after amplifying process carry out RMS conversion process, obtain the effective value of power frequency electric field simulating signal, the effective value of the power frequency electric field simulating signal obtained is transferred to Central Control Module 9 by power frequency electric field RMS conversion device 5;
Simultaneously, the 8 pairs of filtering of described power frequency magnetic field RMS conversion device and the power frequency magnetic field simulating signal after amplifying process carry out RMS conversion process, obtain the effective value of power frequency magnetic field simulating signal, the effective value of the power frequency magnetic field simulating signal obtained is transferred to Central Control Module 9 by power frequency magnetic field RMS conversion device 8;
Step 4: the effective value of power frequency electric field simulating signal and the effective value of power frequency magnetic field simulating signal are carried out analog to digital conversion and generate corresponding power frequency electric field digital signal and power frequency magnetic field digital signal (above-mentioned power frequency electric field digital signal is together with the packaged process of power frequency magnetic field digital signal) respectively by described Central Control Module 9, the first switches set 11.1 that described Central Control Module 9 controls electronic control switch 11 closes, second switch group 11.2 disconnects simultaneously, now, power frequency electric field digital signal and power frequency magnetic field digital signal are transferred to the first fiber optic telecommunications module 12.1 by the first switches set 11.1 of electronic control switch 11 by Central Control Module 9, power frequency electric field digital signal and power frequency magnetic field digital signal are analyzed display device by Optical Fiber Transmission to far-end by the first fiber optic telecommunications module 12.1,
After the first fiber optic telecommunications module 12.1 or described optical fiber break down, the first switches set 11.1 that Central Control Module 9 controls electronic control switch 11 disconnects, second switch group 11.2 closes simultaneously, now, power frequency electric field digital signal and power frequency magnetic field digital signal are transferred to the first bluetooth communication 12.2, first bluetooth communication 12.2 by the second switch group 11.2 of electronic control switch 11 and power frequency electric field digital signal and power frequency magnetic field digital signal are analyzed display device by Bluetooth signal transmission to far-end by Central Control Module 9;
Step 5: described far-end is analyzed display device and carried out data analysis to power frequency electric field digital signal and power frequency magnetic field digital signal, and is shown by analysis result.
In technique scheme, the second fiber optic telecommunications module 14.1 that described far-end analyzes display device sends Real-Time Optical fiber communication line state signal by optical fiber and the first fiber optic telecommunications module 12.1 to the input end of communication detection device 13 successively; Described far-end the second bluetooth communication 14.2 of analyzing display device sends real-time Bluetooth communication line state signal by the first bluetooth communication 12.2 to the input end of communication detection device 13, described communication detection device 13 pairs of Real-Time Optical fiber communication line state signals and real-time Bluetooth communication line state signal detect, and testing result is sent to Central Control Module 9;
If communication detection device 13 detects that optical fiber communication line line state and Bluetooth communication line status are all normal, then the first switches set 11.1 that Central Control Module 9 controls electronic control switch 11 closes, and second switch group 11.2 disconnects simultaneously;
If communication detection device 13 to detect that optical fiber communication line line state exists abnormal, then the first switches set 11.1 that Central Control Module 9 controls electronic control switch 11 disconnects, and second switch group 11.2 closes simultaneously;
If communication detection device 13 to detect that Bluetooth communication line status exists abnormal, then the first switches set 11.1 that Central Control Module 9 controls electronic control switch 11 closes, and second switch group 11.2 disconnects simultaneously.In whole process, the mutual switching of optical-fibre channel and Bluetooth channels only needs 5 seconds.
In the step 4 of technique scheme and step 5, the first switches set 11.1 that described Central Control Module 9 controls electronic control switch 11 closes, second switch group 11.2 disconnects simultaneously, power frequency electric field digital signal and power frequency magnetic field digital signal are analyzed in the second fiber optic telecommunications module 14.1 of display device by Optical Fiber Transmission to far-end by the first fiber optic telecommunications module 12.1, second fiber optic telecommunications module 14.1 by power frequency electric field digital signal and power frequency magnetic field digital data transmission to data processing module 15, data processing module 15 pairs of power frequency electric field digital signals and power frequency magnetic field digital signal carry out signal resolution, School Affairs gibberish rejects process, and the result of process is transferred to display 16 shows,
After the first fiber optic telecommunications module 12.1 or described optical fiber break down, the first switches set 11.1 that Central Control Module 9 controls electronic control switch 11 disconnects, second switch group 11.2 closes simultaneously, power frequency electric field digital signal and power frequency magnetic field digital signal are analyzed in the second bluetooth communication 14.2 of display device by Bluetooth signal transmission to far-end by the first bluetooth communication 12.2, in second bluetooth communication 14.2 by power frequency electric field digital signal and power frequency magnetic field digital data transmission to data processing module 15, data processing module 15 pairs of power frequency electric field digital signals and power frequency magnetic field digital signal carry out signal resolution, School Affairs gibberish rejects process, and the result of process is transferred to display 16 shows.
The detailed process that above-mentioned data processing module 15 pairs of power frequency electric field digital signals and power frequency magnetic field digital signal carry out signal resolution and verification is: after data processing module 15 receives Monitoring Data, data are put into a Byte array, whether judge that the first character of array saves is 0XFA, if not 0XFA, then do not carry out subsequent operation, if reception first byte is 0XFA, carry out next step flow process CRC (Cyclical Redundancy Check, Cyclic Redundancy Code) verification; If CRC check is correct, then receives the data consistent that data and Central Control Module 9 send, carry out unpacking of next step data, otherwise do not carry out subsequent operation; The data unpacked are by being updated to the information display page of display 16 after fractionation, calculating, calibration, the real time implementation realizing data is shown.
In technique scheme, described Central Control Module 9 sends reset signal every the fixed time (giving tacit consent to one second once) to the reseting controling end of power frequency magnetic field sensor 2 by set-reset device 10.
The content that this instructions is not described in detail belongs to the known prior art of professional and technical personnel in the field.
Claims (8)
1. the electromagnetic environment real-time monitoring system based on dual communication passage switching at runtime, it is characterized in that: it comprises supervising device terminal shell (18), far-end analyzes display device, the non magnetic waterproof anti induction support (17) be connected with supervising device terminal shell (18), wherein, power frequency electric field sensor (1) is provided with in described supervising device terminal shell (18), power frequency magnetic field sensor (2), power frequency electric field wave filter (3), power frequency electric field amplifier (4), power frequency electric field RMS conversion device (5), power frequency magnetic field wave filter (6), power frequency magnetic field amplifier (7), power frequency magnetic field RMS conversion device (8), Central Control Module (9), electronic control switch (11) and the first data communication module (12),
The signal output part of described power frequency electric field sensor (1) connects the signal input part of power frequency electric field wave filter (3), the signal output part of power frequency electric field wave filter (3) connects the signal input part of power frequency electric field amplifier (4), the signal output part of power frequency electric field amplifier (4) connects the signal input part of power frequency electric field RMS conversion device (5), and the signal output part of power frequency electric field RMS conversion device (5) connects the power frequency electric field signal input part of Central Control Module (9);
The signal output part of described power frequency magnetic field sensor (2) connects the signal input part of power frequency magnetic field wave filter (6), the signal output part of power frequency magnetic field wave filter (6) connects the signal input part of power frequency magnetic field amplifier (7), the signal output part of power frequency magnetic field amplifier (7) connects the signal input part of power frequency magnetic field RMS conversion device (8), and the signal output part of power frequency magnetic field RMS conversion device (8) connects the power frequency magnetic field signal input part of Central Control Module (9);
First signal output part of described Central Control Module (9) connects the input contact of first switches set (11.1) of electronic control switch (11), the secondary signal output terminal of Central Control Module (9) connects the input contact of the second switch group (11.2) of electronic control switch (11), the output contact of first switches set (11.1) of electronic control switch (11) connects the first communication ends of first fiber optic telecommunications module (12.1) of the first data communication module (12), the output contact of the second switch group (11.2) of electronic control switch (11) connects the first communication ends of first bluetooth communication (12.2) of the first data communication module (12), the switch controlling signal output terminal of described Central Control Module (9) connects the switch controlling signal input end of electronic control switch (11), second communication end and the second communication end of the first bluetooth communication (12.2) of described first fiber optic telecommunications module (12.1) are all connected far-end and analyze display device,
First switches set (11.1) of described electronic control switch (11) is normally closed switch group, and the second switch group (11.2) of electronic control switch (11) is normal open switch group.
2. the electromagnetic environment real-time monitoring system based on dual communication passage switching at runtime according to claim 1, it is characterized in that: described far-end is analyzed display device and comprised the second data communication module (14), data processing module (15) and display (16), wherein, second data communication module (14) comprises the second fiber optic telecommunications module (14.1) and the second bluetooth communication (14.2), first communication ends of described second fiber optic telecommunications module (14.1) connects the second communication end of described first fiber optic telecommunications module (12.1), first communication ends of the second bluetooth communication (14.2) connects the second communication end of described first bluetooth communication (12.2), the signal input part of the equal connection data processing module (15) of second communication end of described second fiber optic telecommunications module (14.1) and the second bluetooth communication (14.2), the signal output part of data processing module (15) connects the signal input part of display (16).
3. the electromagnetic environment real-time monitoring system based on dual communication passage switching at runtime according to claim 1, it is characterized in that: it also comprises communication detection device (13), the input end of described communication detection device (13) connects the third communication end of the first fiber optic telecommunications module (12.1) and the first bluetooth communication (12.2), and the output terminal of communication detection device (13) connects the detection signal input end of Central Control Module (9).
4. the electromagnetic environment real-time monitoring system based on dual communication passage switching at runtime according to claim 1 or 2 or 3, it is characterized in that: it also comprises set-reset device (10), the signal input part of described set-reset device (10) connects the reseting controling signal output terminal of Central Control Module (9), and the signal output part of described set-reset device (10) connects the reseting controling end of power frequency magnetic field sensor (2).
5. utilize the AC input transformation engineering electromagnetic environment method of real-time based on the electromagnetic environment real-time monitoring system of dual communication passage switching at runtime described in claim 4, it is characterized in that: it comprises the steps:
Step 1: described supervising device terminal shell (18) is erected at the specified location around AC input transformation engineering to be measured by non magnetic waterproof anti induction support (17), described power frequency electric field sensor (1) responds to the real-time power frequency electric field signal of specified location around AC input transformation engineering to be measured, and the real-time power frequency electric field signal sensed is converted to real-time power frequency electric field simulating signal, this power frequency electric field simulating signal is flowed to power frequency electric field wave filter (3) by power frequency electric field sensor (1);
Described power frequency magnetic field sensor (2) responds to the real-time power frequency magnetic field signal of specified location around AC input transformation engineering to be measured, and the real-time power frequency magnetic field signal sensed is converted to real-time power frequency magnetic field simulating signal, this power frequency magnetic field simulating signal is flowed to power frequency magnetic field wave filter (6) by power frequency magnetic field sensor (2);
Step 2: described power frequency electric field wave filter (3) and power frequency electric field amplifier (4) carry out filtering to power frequency electric field simulating signal successively and amplify process, and described power frequency electric field amplifier (4) is by filtering and amplify the power frequency electric field analog signal transmission after processing to power frequency electric field RMS conversion device (5);
Described power frequency magnetic field wave filter (6) and power frequency magnetic field amplifier (7) carry out filtering to power frequency magnetic field simulating signal successively and amplify process, and described power frequency magnetic field amplifier (7) is by filtering and amplify the power frequency magnetic field analog signal transmission after processing to power frequency magnetic field RMS conversion device (8);
Step 3: described power frequency electric field RMS conversion device (5) carries out RMS conversion process to filtering and the power frequency electric field simulating signal after amplifying process, obtain the effective value of power frequency electric field simulating signal, the effective value of the power frequency electric field simulating signal obtained is transferred to Central Control Module (9) by power frequency electric field RMS conversion device (5);
Simultaneously, described power frequency magnetic field RMS conversion device (8) carries out RMS conversion process to filtering and the power frequency magnetic field simulating signal after amplifying process, obtain the effective value of power frequency magnetic field simulating signal, the effective value of the power frequency magnetic field simulating signal obtained is transferred to Central Control Module (9) by power frequency magnetic field RMS conversion device (8);
Step 4: the effective value of the effective value of power frequency electric field simulating signal and power frequency magnetic field simulating signal is carried out power frequency electric field digital signal and the power frequency magnetic field digital signal that analog to digital conversion generates correspondence respectively by described Central Control Module (9), the first switches set (11.1) that described Central Control Module (9) controls electronic control switch (11) closes, second switch group (11.2) disconnects simultaneously, now, power frequency electric field digital signal and power frequency magnetic field digital signal are transferred to the first fiber optic telecommunications module (12.1) by first switches set (11.1) of electronic control switch (11) by Central Control Module (9), power frequency electric field digital signal and power frequency magnetic field digital signal are analyzed display device by Optical Fiber Transmission to far-end by the first fiber optic telecommunications module (12.1),
After the first fiber optic telecommunications module (12.1) or described optical fiber break down, the first switches set (11.1) that Central Control Module (9) controls electronic control switch (11) disconnects, second switch group (11.2) closes simultaneously, now, power frequency electric field digital signal and power frequency magnetic field digital signal are transferred to the first bluetooth communication (12.2) by the second switch group (11.2) of electronic control switch (11) by Central Control Module (9), power frequency electric field digital signal and power frequency magnetic field digital signal are analyzed display device by Bluetooth signal transmission to far-end by the first bluetooth communication (12.2),
Step 5: described far-end is analyzed display device and carried out data analysis to power frequency electric field digital signal and power frequency magnetic field digital signal, and is shown by analysis result.
6. AC input transformation engineering electromagnetic environment method of real-time according to claim 5, is characterized in that: the second fiber optic telecommunications module (14.1) that described far-end analyzes display device sends Real-Time Optical fiber communication line state signal by optical fiber and the first fiber optic telecommunications module (12.1) to the input end of communication detection device (13) successively; Described far-end the second bluetooth communication (14.2) of analyzing display device sends real-time Bluetooth communication line state signal by the first bluetooth communication (12.2) to the input end of communication detection device (13), described communication detection device (13) is detected Real-Time Optical fiber communication line state signal and real-time Bluetooth communication line state signal, and testing result is sent to Central Control Module (9);
If communication detection device (13) detect optical fiber communication line line state and Bluetooth communication line status all normal, then first switches set (11.1) of Central Control Module (9) control electronic control switch (11) closes, and second switch group (11.2) disconnects simultaneously;
If it is abnormal that communication detection device (13) detects that optical fiber communication line line state exists, then Central Control Module (9) controls the first switches set (11.1) disconnection of electronic control switch (11), and second switch group (11.2) closes simultaneously;
If it is abnormal that communication detection device (13) detects that Bluetooth communication line status exists, then first switches set (11.1) of Central Control Module (9) control electronic control switch (11) closes, and second switch group (11.2) disconnects simultaneously.
7. AC input transformation engineering electromagnetic environment method of real-time according to claim 5, is characterized in that: described Central Control Module (9) sends reset signal every the fixed time to the reseting controling end of power frequency magnetic field sensor (2) by set-reset device (10).
8. AC input transformation engineering electromagnetic environment method of real-time according to claim 5, it is characterized in that: in described step 4 and step 5, the first switches set (11.1) that described Central Control Module (9) controls electronic control switch (11) closes, second switch group (11.2) disconnects simultaneously, power frequency electric field digital signal and power frequency magnetic field digital signal are analyzed in second fiber optic telecommunications module (14.1) of display device by Optical Fiber Transmission to far-end by the first fiber optic telecommunications module (12.1), second fiber optic telecommunications module (14.1) by power frequency electric field digital signal and power frequency magnetic field digital data transmission to data processing module (15), data processing module (15) carries out signal resolution to power frequency electric field digital signal and power frequency magnetic field digital signal, School Affairs gibberish rejects process, and the result of process is transferred to display (16) and shows,
After the first fiber optic telecommunications module (12.1) or described optical fiber break down, the first switches set (11.1) that Central Control Module (9) controls electronic control switch (11) disconnects, second switch group (11.2) closes simultaneously, power frequency electric field digital signal and power frequency magnetic field digital signal are analyzed in second bluetooth communication (14.2) of display device by Bluetooth signal transmission to far-end by the first bluetooth communication (12.2), in second bluetooth communication (14.2) by power frequency electric field digital signal and power frequency magnetic field digital data transmission to data processing module (15), data processing module (15) carries out signal resolution to power frequency electric field digital signal and power frequency magnetic field digital signal, School Affairs gibberish rejects process, and the result of process is transferred to display (16) and shows.
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| CN105182108B (en) * | 2015-07-31 | 2018-06-22 | 江苏方天电力技术有限公司 | A kind of evaluating apparatus of power transmission and transformation primary equipment test tool environment electromagnetics compatibility |
| CN106885949A (en) * | 2017-01-23 | 2017-06-23 | 国网山东省电力公司电力科学研究院 | Switching at runtime electromagnetic environment real-time monitoring system and method based on channel redundancy |
| CN106840258A (en) * | 2017-01-23 | 2017-06-13 | 国网山东省电力公司电力科学研究院 | The full state electromagnetic environment monitoring system of wide area and method based on multi-parameter synergic monitoring |
| CN107331185B (en) * | 2017-08-16 | 2019-12-06 | 青岛海信网络科技股份有限公司 | Abnormal state processing method of traffic signal lamp machine, host and slave |
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Effective date of registration: 20160725 Address after: 100000 Beijing West Chang'an Avenue No. 86 Patentee after: State Grid Corporation of China Patentee after: Electric Power Research Institute of State Grid Shandong Electric Power Company Patentee after: Wuhan Nari Limited Liability Company of State Grid Electric Power Research Institute Address before: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Patentee before: State Grid Corporation of China Patentee before: Electric Power Research Institute of State Grid Shandong Electric Power Company Patentee before: Nanjing Nari Co., Ltd. Patentee before: Wuhan Nari Limited Liability Company of State Grid Electric Power Research Institute |