CN103634061B - Electromagnetic radiation monitoring system - Google Patents

Electromagnetic radiation monitoring system Download PDF

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Publication number
CN103634061B
CN103634061B CN201310572307.4A CN201310572307A CN103634061B CN 103634061 B CN103634061 B CN 103634061B CN 201310572307 A CN201310572307 A CN 201310572307A CN 103634061 B CN103634061 B CN 103634061B
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electromagnetic radiation
radiation monitoring
signal
monitoring
pass filter
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CN103634061A (en
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曹宝华
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NANJING JIEXI TECHNOLOGY Co Ltd
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NANJING JIEXI TECHNOLOGY Co Ltd
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Abstract

The application relates to a kind of electromagnetic radiation monitoring system and comprises monitoring device and supervising device.Monitoring device comprises multiple electromagnetic radiation monitoring instrument, and supervising device comprises switch, server and client side, and electromagnetic radiation monitoring instrument is connected to switch by netting twine, and switch is connected with-server; This electromagnetic radiation monitoring system signal power monitoring scope is-100dBm ~ 0dBm, and signal frequency monitoring range contains communication full frequency band.The present invention is a kind of ultra wide band electrically magnetic radiation monitoring system, and communication full frequency band is monitored, and multi-modulation scheme is monitored simultaneously, and standard terminal works alone, and facilitates networking, portable manipulation.

Description

Electromagnetic radiation monitoring system
Technical field
The present invention relates to electromagnetic radiation monitoring technical field, be specifically related to a kind of ultra wide band electrically magnetic radiation monitoring system.
Background technology
Along with the fast development of radio communication technology, digitlization, networking and informationization are widely applied, intellectual monitoring, telecontrol engineering also day by day incorporate people work and life in.Electromagnetic radiation equipment gets more and more, and the pollution that consequent Electromagnetic Radiation on Environment is brought is seriously more next, and therefore, electromagnetic radiation monitoring is particularly important.
At present, more common electromagnetic radiation monitoring mode mainly contains following two kinds:
One is judged by environmental impact assessment work, and need related personnel's field monitoring, have high input, efficiency is low, and can not realize Real-Time Monitoring.
Two is layout near base station or mobile monitoring, and carries out information transmission by GPRS network, and this mode needs to produce specific complete equipment, and production cost is high.
Meanwhile, above two kinds of monitoring frequency range monitoring ranges are little, and electromagnetic radiation monitoring is limited to, and in practice, particularly mobile communication base station quantity is many for electromagnetic radiation source, and distribute wide and disperse, different area monitoring points has very large difference.
In sum, be necessary to realize the ultra wide band electrically magnetic radiation monitoring system that a kind of cost is low, facilitate networking.
Summary of the invention
Technical problem to be solved by this invention is, provides the ultra wide band electrically magnetic radiation monitoring system that a kind of cost is low, facilitate networking, portable operation.
For solving the problems of the technologies described above, the technical solution used in the present invention is:
Electromagnetic radiation monitoring system, comprises monitoring device and supervising device.
Described monitoring device comprises multiple electromagnetic radiation monitoring instrument, and described electromagnetic radiation monitoring instrument works alone, and the quantity of electromagnetic radiation monitoring instrument designs placement according to the area of monitoring field, can carry out increasing or reducing, facilitate networking.
Supervising device comprises switch, server and client side, and client shows live signal power level value and the corresponding mode of operation of all signal frequency ranges of described monitoring section all electromagnetic radiation monitorings instrument in real time by access services device.
Electromagnetic radiation monitoring instrument is connected to the described switch of described supervising device by netting twine, and described switch is connected with described server.Electromagnetic radiation monitoring instrument comprises antenna, external interface and Radiation monitoring unit.
Radiation monitoring unit comprises the first low pass filter, the first amplifier, frequency mixer, local vibration source, the second low pass filter, band pass filter, the second amplifier, wave detector, ARM, warning device.External interface is network interface, is connected with switch by netting twine, facilitates networking.
First low pass filter, the first amplifier, frequency mixer, local vibration source, the second low pass filter, band pass filter, the second amplifier, wave detector, ARM order is connected, and local vibration source is connected with frequency mixer, and described warning device is connected with ARM with external interface.
More preferably, wave detector is peak detector.
Warning device comprises LED and emergency alarm bell.
The electromagnetic radiation monitoring instrument course of work is: receiver leading portion is by the signal power level value of antenna receiver radiation monitored area, frequency-selecting is carried out by the first low pass filter, filtering unwanted signal, and frequency-selecting signal is amplified, mixing is carried out with local vibration source, the frequency-selecting signal received is transformed on lower Frequency point, realizes the wide band characteristic of receiver spectrum analysis.Obtain Low Medium Frequency after signal mixing, low intermediate frequency signal is convenient to carry out signal analysis, low intermediate frequency signal by described second low pass filter, band pass filter and the second amplifier frequency-selecting and signal amplify, by peak detector, to export signal carry out detection.Under the undistorted condition of frequency mixer, between the amplitude of intermediate-freuqncy signal and signal amplitude, there is linear relationship, therefore peak detection result and input signal amplitude proportional.The signal data that wave detector obtains by ARM module carries out Data Analysis Services, and control LED and signal alarm bell, when signal radiation power level value is higher than preset alarm signal power level value, red LED is bright, alarm bell ring, described in normal condition, green LED indicator light is bright, and described in malfunction, yellow led indicator light is bright, the preset alarm signal power level value of User Defined.
The overall dimension of electromagnetic radiation monitoring instrument is 160mm x85mm, is equipped with+24V power supply.
The control method of electromagnetic radiation monitoring system comprises the following steps:
Steps A: the signal data in electromagnetic radiation monitoring instrument monitoring Radiation monitoring region, described signal data is processed, and compare with preset alarm signal power level value, control warning device, and the signal data after process is transferred to server, described preset alarm signal power level value User Defined.
Step B: described client is by parametric controller real-time monitored electromagnetic signal power level value, and the radiated power level value of each signal frequency range of graphical directly perceived display, the background color instruction of described signal frequency range ought the radiation alarm situation of up till now frequency range;
Steps A comprises the following steps:
The signal power level value of the antenna receiver radiation monitored area of electromagnetic radiation monitoring instrument, by described first low pass filter and the first amplifier frequency-selecting and signal amplify, carry out mixing with described local vibration source and obtain Low Medium Frequency, low intermediate frequency signal is by described second low pass filter, band pass filter and the second amplifier frequency-selecting signal amplify, by described detector, the signal data that wave detector obtains by described ARM carries out Data Analysis Services, the radiated power level value of more described signal data and preset alarm signal power level value, control warning device is reported to the police, and described signal data is transferred to server by electromagnetic radiation monitoring instrument interface.
Further comprising the steps of after step B:
After server receives ELECTROMAGNETIC RADIATION SIGNATURE level value, parametric controller display electromagnetic radiation monitoring instrument state, and visualize display, simultaneously by datum number storage according to storehouse, log recording historical data, Macro or mass analysis data, and graphical report form represents or report output historical data.
When described electromagnetic radiation monitoring system malfunctions, upgrade software diagnotic module, by this system access internet, server maintenance system can position fault automatically, and provides handling suggestion.
Electromagnetic radiation monitoring instrument signal power monitoring range is-100dBm ~ 0dBm, and frequency monitoring scope comprises China Mobile GSM 900, DCS1800, EGSM, TD-SCDMA; CHINAUNICOM GSM900, DCS1800, WCDMA; China Telecom CDMA800, CDMA2000.
Concrete monitor signal frequency band has: China Mobile GSM 900, DCS1800, EGSM, TD-SCDMA, frequency range comprises (MHz) 890-908/935-954/1710-1725/1805-1820/885-890/930-935/1880-1900/2010-2025/2300-2400; CHINAUNICOM GSM900, DCS1800, WCDMA, frequency range comprises (MHz) 909-915/954-960/1745-1755/1840-1850/1940-1955/2130-2145; China Telecom CDMA800, CDMA2000, frequency range comprises (MHz) 825-840/870-885/1920-1935/2110-2125.
Technical scheme in sum, the present invention at least has following beneficial effect:
The multiple electromagnetic radiation monitoring instrument of the present invention is connected with switch by netting twine, as long as electromagnetic radiation monitoring instrument access network, just can realize remote monitoring and the control of electromagnetic radiation instrument, and is not subject to the impact of region and distance.
Further, the signal data monitored and local vibration source is adopted to carry out mixing in electromagnetic radiation monitoring instrument technical scheme of the present invention, the frequency-selecting signal received is transformed on lower Frequency point, realizes the wide band characteristic of spectrum analysis, the electromagnetic radiation monitoring of ultra broadband can be monitored.
Further, adopt twice filtering and twice signal to amplify in electromagnetic radiation monitoring instrument technical scheme of the present invention, fully can filter clutter, obtain data more accurately, the accuracy of reflection electromagnetic radiation monitoring.
Further, electromagnetic radiation monitoring instrument of the present invention works alone, and facilitates networking, portable manipulation.
Further, client of the present invention can graphically represent or report output historical data and fault location by report form, relative to prior art, achieves the intellectuality of electromagnetic radiation monitoring system, facilitate staff more straight tube check data.
Further, electromagnetic radiation monitoring instrument is provided with warning device, and the present invention not only can watch the state of electromagnetic radiation monitoring instrument in client, also realize electromagnetic radiation monitoring instrument and report to the police in monitored area, and alarm is to staff.
Accompanying drawing explanation
Fig. 1 is theory diagram of the present invention.
The Radiation monitoring unit theory diagram that Fig. 2 is the instrument of electromagnetic radiation described in the present invention.
Fig. 3 is system example structural representation of the present invention.
Fig. 4 is scheme of installation of the present invention.
Fig. 5 is the main interface of monitoring system of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the present invention is further described.
As shown in Figure 1, electromagnetic radiation monitoring system, comprises monitoring device and supervising device.
Supervising device comprises switch and server, and electromagnetic radiation monitoring instrument is connected to the described switch of described supervising device by netting twine, and described switch is connected with described server.Electromagnetic radiation monitoring instrument comprises antenna, external interface and Radiation monitoring unit.
As shown in Figure 2, Radiation monitoring unit comprises the first low pass filter, the first amplifier, frequency mixer, local vibration source, the second low pass filter, band pass filter, the second amplifier, wave detector, ARM, warning device.External interface is network interface, is connected with switch by netting twine, facilitates networking.
First low pass filter, the first amplifier, frequency mixer, local vibration source, the second low pass filter, band pass filter, the second amplifier, wave detector, ARM order is connected, and local vibration source is connected with frequency mixer, and described warning device is connected with ARM with external interface.Wave detector is peak detector.Warning device comprises LED and emergency alarm bell.
As shown in Figure 3, in electromagnetic radiation monitoring system example, monitor 7 production line electromagnetic radiation, every bar production line arranges 6 electromagnetic radiation monitoring instrument, is connected to master control room server, and shows in real time on a liquid crystal display by network.
Electromagnetic radiation monitoring instrument is provided with instruction of reporting to the police, and when radiated power level value is higher than preset power level value, red LED indicator light shows, alarm bell ring; Normal condition green LED indicator light shows; Malfunction yellow led indicator light is bright.
The radiated power level value of this monitoring point of radiation monitor Real-Time Monitoring, monitoring point electromagnetic radiance level value is pointed out by LED light and signal alarm bell, radiated power level value is higher than preset alarm power level value, red LED indicator light is bright, institute's alarm bell ring, normal condition green LED indicator light is bright, and malfunction yellow led indicator light is bright, the preset alarm power level value of User Defined.
The quantity of electromagnetic radiation monitoring instrument, according to monitoring field area design, carries out increasing or reducing, and the overall dimension of electromagnetic radiation monitoring instrument is 160mm x85mm, is equipped with+24V power supply.
As shown in Figure 4, electromagnetic radiation monitoring equipment by support installing to roof; Electromagnetic radiation instrument is apart from the distance 0.8 meter between radiation source; According to this mounting means, can detect that electromagnetic radiance level range is: 700MHz:-75 ~+5dBm, 3000MHz:-60 ~+20dBm.
As shown in Figure 5, client arranges parametric controller; Parametric controller visual pictureization shows, in real time the radiated power level value of each frequency range of display, and corresponding background color indicates the radiant power alarm situation of this frequency range of current monitoring point.The radiated power level value of each monitoring point frequency range can from Real Time Observation parametric controller to, the background color of corresponding frequency band indicates ought the radiant power alarm situation of up till now this frequency range of node, redness represents radiant power and exceeds thresholding, there is alarm, green represents radiant power and does not exceed thresholding, normally, if one malfunctions, yellow background provides warning.
The above is only the preferred embodiment of the present invention; be noted that for those skilled in the art; under the premise without departing from the principles of the invention, can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.

Claims (5)

1. electromagnetic radiation monitoring system, comprises monitoring device and supervising device, it is characterized in that:
Described monitoring device comprises multiple electromagnetic radiation monitoring instrument, described supervising device comprises pbx server and client, described electromagnetic radiation monitoring instrument is connected to described switch by netting twine, described switch is connected with described server network, described client is connected with described server, described electromagnetic radiation monitoring instrument comprises antenna, external interface and Radiation monitoring unit, and described external interface is network interface;
Described Radiation monitoring unit comprises the first low pass filter, the first amplifier, frequency mixer, local vibration source, the second low pass filter, band pass filter, the second amplifier, wave detector, ARM, warning device;
Described first low pass filter, the first amplifier, frequency mixer, local vibration source, the second low pass filter, band pass filter, the second amplifier, wave detector, ARM order is connected, described local vibration source is connected with frequency mixer, and described warning device is connected with ARM with external interface;
The control method of described electromagnetic radiation monitoring system comprises the following steps:
Steps A: the signal data in electromagnetic radiation monitoring instrument monitoring Radiation monitoring region, processes described signal data, and compare with preset alarm signal power level value, control warning device, and the signal data after process is transferred to server;
Step B: described server is by parametric controller real-time monitored electromagnetic signal power level value, and the radiated power level value of each signal frequency range of graphical directly perceived display, the background color instruction of described signal frequency range ought the radiation alarm status of up till now frequency range;
Described steps A comprises the following steps:
The signal power level value of the antenna receiver radiation monitored area of electromagnetic radiation monitoring instrument, by described first low pass filter and the first amplifier frequency-selecting and signal amplify, carry out mixing with described local vibration source and obtain Low Medium Frequency, low intermediate frequency signal is by described second low pass filter, band pass filter and the second amplifier frequency-selecting signal amplify, by described detector, the signal data that wave detector obtains by described ARM carries out Data Analysis Services, the radiated power level value of more described signal data and preset alarm signal power level value, control warning device is reported to the police, and described signal data is transferred to server by electromagnetic radiation monitoring instrument interface.
2. electromagnetic radiation monitoring system according to claim 1, is characterized in that: wave detector is peak detector.
3. electromagnetic radiation monitoring system according to claim 1, it is characterized in that: described warning device comprises LED and emergency alarm bell, described LED comprises red LED, yellow led and green LED.
4. electromagnetic radiation monitoring system according to claim 1, is characterized in that: further comprising the steps of after described step B:
After described server receives ELECTROMAGNETIC RADIATION SIGNATURE level value, parametric controller display electromagnetic radiation monitoring instrument state, and visualize display, simultaneously by datum number storage according to storehouse, log recording historical data, Macro or mass analysis data, and graphical report form represents or report output historical data;
When described electromagnetic radiation monitoring system malfunctions, upgrading diagnotic module, server maintenance system positions fault automatically, and provides handling suggestion.
5. electromagnetic radiation monitoring system according to claim 1, is characterized in that: preset alarm signal power level value User Defined described in steps A.
CN201310572307.4A 2013-11-13 2013-11-13 Electromagnetic radiation monitoring system Active CN103634061B (en)

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CN106154056A (en) * 2015-04-23 2016-11-23 深圳富泰宏精密工业有限公司 Radiating cuing system and method
CN105004934B (en) * 2015-08-21 2018-06-08 北京森馥科技股份有限公司 A kind of electromagnetic radiation monitoring system
CN105430684A (en) * 2015-10-23 2016-03-23 南京邮电大学 Simple hardware system for wireless spectrum refined grid monitoring and realization method thereof
CN107356819B (en) * 2016-05-10 2019-11-15 中国人民解放军理工大学 A kind of intelligent domestic electromagnetic radiation information service system
CN108594045A (en) * 2018-05-24 2018-09-28 全球能源互联网研究院有限公司 A kind of electric power wireless private network electromagnetic interference monitoring device
CN109946526A (en) * 2019-02-25 2019-06-28 天津大学 Merge the complex electromagnetic environment detecting network and its method for detecting of Internet of Things and cloud platform

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