CN204882722U - Power frequency electromagnetic field intelligent monitoring system based on fiber communication - Google Patents
Power frequency electromagnetic field intelligent monitoring system based on fiber communication Download PDFInfo
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- CN204882722U CN204882722U CN201520267587.2U CN201520267587U CN204882722U CN 204882722 U CN204882722 U CN 204882722U CN 201520267587 U CN201520267587 U CN 201520267587U CN 204882722 U CN204882722 U CN 204882722U
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Abstract
The utility model relates to a power frequency electromagnetic field intelligent monitoring system based on fiber communication, including being used for gathering the power frequency electromagnetic field information acquisition device that treats monitoring point electric field and magnetic field information, being used for transmitting monitor information to electromagnetic field information display unit's optical fiber transmission unit with be used for showing in real time the electromagnetic field information display unit of field monitoring data, power frequency electromagnetic field information acquisition device install at field monitoring point, the signal input part of optical fiber transmission unit connects power frequency electromagnetic field information acquisition device, the signal output part of optical fiber transmission unit connects electromagnetic field information display unit. The utility model discloses an optical fiber transmission data message satisfies power frequency electromagnetic field field monitoring data transmission's stability and reliability, does not receive transmission distance's restriction, and the transmission of solving traditional power frequency electromagnetic field monitor information receives the interference of electromagnetic field, transmission distance's restriction and ambient temperature's influence easily, leads to data transmission's the reliability and the problem of poor stability.
Description
Technical field
The utility model relates to electromagnetic environment monitoring field, particularly relates to the power frequency electromagnetic field intelligent monitor system based on optical fiber communication.
Background technology
The mode of generally traditional power transmission and transformation power frequency electromagnet environmental monitoring employing wire cable connects PDA end and carries out data transmission and record, and can stored charge on cable and interface unit when adopting wire cable to carry out data communication, high energy transition is caused when being coupled on cable, electrical damage may be caused, and need to set up amplifier every hundreds of rice, this polystage amplifier then can bring noise to transmission system, and the modulation of undesired signal, simultaneously electromagnetic field of high frequency, electrostatic all may to the interference of signal transmission band incoming telephone signal.At present, along with technology development, the wireless transmission method such as bluetooth, Zigbee is used widely, power frequency electromagnet environmental monitoring also converts radio communication to by original cable communication, but the communication such as bluetooth, Zigbee only can meet short range data transmission requirement, when transmitting also easily by interference such as buildingss, the transmission of long distance Monitoring Data cannot be adapted to.
Optical fiber communication is a kind of emerging communication mode, has transmission capacity large, the advantage of good confidentiality.It is made up of the quartz material insulating, not by the interference of electromagnetic field and the impact of thunder and lightning in the process that signal transmits in fiber medium, the temperature drift of fiber medium is very little, and Signal transmissions is hardly by the impact of temperature, therefore transmitting procedure is reliably highly stable, and the life-span is very long.Stablize to improve the communication of power frequency electromagnet environmental data and reliably, be necessary to adopt the data communication mode based on optical fiber to realize transmitting the data of power frequency electric field and power frequency magnetic field, improve monitoring system data validity.
Utility model content
The purpose of this utility model is to provide the power frequency electromagnetic field intelligent monitor system based on optical fiber communication, the utility model is by Optical Fiber Transmission data message, meet stability and the reliability of the transmission of power frequency electromagnetic field field monitoring data, and not by monitoring device and information displaying end distance limit, in order to solve traditional power frequency electromagnetic field monitoring information transmission easily by the impact of the interference of electromagnetic field, the restriction of transmission range and ambient temperature, the problem of the reliability and stability difference causing data to be transmitted.
For achieving the above object, scheme of the present utility model is: based on the power frequency electromagnetic field intelligent monitor system of optical fiber communication, described power frequency electromagnetic field intelligent monitor system comprises the power frequency electromagnetic field information collecting device for gathering to be monitored Electric and magnetic fields information, for transmission of monitoring information to the Optical Fiber Transmission unit of electromagnetic field information display unit and the electromagnetic field information display unit for real-time displaying scene Monitoring Data, described power frequency electromagnetic field information collecting device is arranged on field monitoring point, the signals collecting end of described power frequency electromagnetic field information collecting device is connected in field monitoring circuit, the signal output part of described power frequency electromagnetic field information collecting device connects the signal input part of described Optical Fiber Transmission unit, the signal output part of described Optical Fiber Transmission unit connects electromagnetic field information display unit.
According to the power frequency electromagnetic field intelligent monitor system based on optical fiber communication described in the utility model, described Optical Fiber Transmission unit comprises Monitoring Data transmission line and Monitoring Data obtains circuit, described Monitoring Data transmission line comprises signal modulator, optical drive module and light source, the input end of described signal modulator connects power frequency electromagnetic field information collecting device, and the output terminal of described signal modulator connects optical drive module and light source successively;
Described Monitoring Data obtains circuit and comprises photoelectric detector, amplifier and demodulator of PM signal PM, the signal output part of described photoelectric detector connects amplifier and demodulator of PM signal PM successively, and the signal output part of described demodulator of PM signal PM connects electromagnetic field information display unit.
According to the power frequency electromagnetic field intelligent monitor system based on optical fiber communication described in the utility model, described power frequency electromagnetic field information collecting device comprises magnetoresistive transducer and electric-field sensor.
According to the power frequency electromagnetic field intelligent monitor system based on optical fiber communication described in the utility model, described light source is laser instrument or LED.
According to the power frequency electromagnetic field intelligent monitor system based on optical fiber communication described in the utility model, described electromagnetic field information display unit is computing machine.
The beneficial effect that the utility model reaches: the utility model is by Optical Fiber Transmission power frequency electric field and Magnetic Field, realize the real-time Transmission of power frequency electric field and power frequency magnetic field data, and transmission is by the impact of the interference of electromagnetic field, the restriction of distance and ambient temperature, ensure the reliability and stability of data transmission, thus intuitively show monitoring point power frequency electric field and power frequency magnetic field present situation by information displaying, for electromagnetic environment monitor, staff brings great convenience.
Accompanying drawing explanation
Fig. 1 is structure principle chart of the present utility model.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment, the utility model is described in further detail.
As shown in Figure 1, the utility model comprises power frequency electromagnetic field information collecting device, Optical Fiber Transmission unit and electromagnetic field information display unit based on the power frequency electromagnetic field intelligent monitor system of optical fiber communication.Signal input part connects power frequency electromagnetic field information collecting device, and the signal output part of described Optical Fiber Transmission unit connects electromagnetic field information display unit.Described power frequency electromagnetic field information collecting device is for gathering to be monitored Electric and magnetic fields information, described Optical Fiber Transmission unit is used for transmission of monitoring information to electromagnetic field information display unit, described electromagnetic field information display unit is used for real-time displaying scene Monitoring Data, monitors power frequency electromagnetic field data message.
Described power frequency electromagnetic field information collecting device is arranged on field monitoring point, comprises magnetoresistive transducer 1 and electric-field sensor 2, and wherein magnetoresistive transducer 1 is for gathering the power frequency magnetic field data of monitoring point, and electric-field sensor is for gathering the power frequency electric field data of monitoring point.Described Optical Fiber Transmission unit comprises signal modulator 3, optical drive module 4, light source 5, Photoelectric Detection 6, amplifier 7 and demodulator of PM signal PM 8, described signal modulator 3, optical drive module 4 and light source 5 form Monitoring Data transmission line, and described Photoelectric Detection 6, amplifier 7 and demodulator of PM signal PM 8 form Monitoring Data and obtain circuit.
The power frequency electric field that described power frequency electromagnetic field information collecting device gathers and power frequency magnetic field data-signal injection fibre transmission unit, power frequency magnetic field and power frequency electric field signal are carried out the modulation treatment of electric signal by the signal modulator 3 in Optical Fiber Transmission unit Monitoring Data transmission line, signal after modulation treatment is carried out signal drive amplification through optical drive module 4 and converts marking current to, driving light source 5, described light source 5 is generally laser instrument or LED, complete the conversion of electric signal to light signal thus, optical signal is in fiber medium.
The light signal of photoelectric detector 6 pairs of fiber mediums that described Optical Fiber Transmission unit Monitoring Data obtains in circuit carries out detection, light signal conversion is reduced into electric signal, compensated by the loss in amplifier 7 pairs of signals transmissions, demodulator of PM signal PM 8 pairs of signals carry out demodulation output, complete the whole transmitting procedure of signal of fibre-optic transmission system (FOTS).
Finally, power frequency electric field and power frequency magnetic field signal transfer to electromagnetic field information display unit 9 through Optical Fiber Transmission unit, described power frequency electric field and the signal parameter of power frequency magnetic field carry out real-time Dynamic Display in electromagnetic field information display unit 9, to reflect project of transmitting and converting electricity field monitoring point power frequency electromagnetic field presence states in real time.
The utility model is by above-mentioned embodiment, by Optical Fiber Transmission power frequency electric field and Magnetic Field, the power frequency electromagnet field data of field monitoring point is carried out real-time Transmission to information displaying end Dynamic Display, do not disturb by distance, external condition, ensure the reliability and stability of data transmission, for electromagnetic environment monitor, staff brings great convenience.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model.The content be not described in detail in this instructions belongs to the known prior art of professional and technical personnel in the field.
Claims (5)
1. the power frequency electromagnetic field intelligent monitor system based on optical fiber communication, it is characterized in that: described power frequency electromagnetic field intelligent monitor system comprises the power frequency electromagnetic field information collecting device for gathering to be monitored Electric and magnetic fields information, for transmission of monitoring information to the Optical Fiber Transmission unit of electromagnetic field information display unit and the electromagnetic field information display unit for real-time displaying scene Monitoring Data, described power frequency electromagnetic field information collecting device is arranged on field monitoring point, the signals collecting end of described power frequency electromagnetic field information collecting device is connected in field monitoring circuit, the signal output part of described power frequency electromagnetic field information collecting device connects the signal input part of described Optical Fiber Transmission unit, the signal output part of described Optical Fiber Transmission unit connects electromagnetic field information display unit.
2. the power frequency electromagnetic field intelligent monitor system based on optical fiber communication according to claim 1, it is characterized in that described Optical Fiber Transmission unit comprises Monitoring Data transmission line and Monitoring Data obtains circuit, described Monitoring Data transmission line comprises signal modulator, optical drive module and light source, the input end of described signal modulator connects power frequency electromagnetic field information collecting device, and the output terminal of described signal modulator connects optical drive module and light source successively;
Described Monitoring Data obtains circuit and comprises photoelectric detector, amplifier and demodulator of PM signal PM, the signal output part of described photoelectric detector connects amplifier and demodulator of PM signal PM successively, and the signal output part of described demodulator of PM signal PM connects electromagnetic field information display unit.
3. the power frequency electromagnetic field intelligent monitor system based on optical fiber communication according to claim 1, is characterized in that described power frequency electromagnetic field information collecting device comprises the magnetoresistive transducer for gathering Magnetic Field and the electric-field sensor for gathering electric field information.
4. the power frequency electromagnetic field intelligent monitor system based on optical fiber communication according to claim 2, is characterized in that described light source is laser instrument or LED.
5. the power frequency electromagnetic field intelligent monitor system based on optical fiber communication according to claim 1, is characterized in that described electromagnetic field information display unit is computing machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201520267587.2U CN204882722U (en) | 2015-04-28 | 2015-04-28 | Power frequency electromagnetic field intelligent monitoring system based on fiber communication |
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| CN201520267587.2U CN204882722U (en) | 2015-04-28 | 2015-04-28 | Power frequency electromagnetic field intelligent monitoring system based on fiber communication |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106443519A (en) * | 2016-09-27 | 2017-02-22 | 山东大学 | Measurement system and method for detecting magnetic field intensity using magnetic optical isolator |
| CN110428602A (en) * | 2019-07-24 | 2019-11-08 | 西安工程大学 | A kind of electromagnetic field Phototube Coupling system based on FPGA |
| CN112798227A (en) * | 2020-12-28 | 2021-05-14 | 山西八斗科技有限公司 | Strong magnetic field transmission performance detection equipment for optical fiber |
-
2015
- 2015-04-28 CN CN201520267587.2U patent/CN204882722U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106443519A (en) * | 2016-09-27 | 2017-02-22 | 山东大学 | Measurement system and method for detecting magnetic field intensity using magnetic optical isolator |
| CN106443519B (en) * | 2016-09-27 | 2019-02-22 | 山东大学 | A kind of measuring system and method using magneto optic isolator detection magnetic field strength |
| CN110428602A (en) * | 2019-07-24 | 2019-11-08 | 西安工程大学 | A kind of electromagnetic field Phototube Coupling system based on FPGA |
| CN112798227A (en) * | 2020-12-28 | 2021-05-14 | 山西八斗科技有限公司 | Strong magnetic field transmission performance detection equipment for optical fiber |
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