CN205002800U - Mixed electromagnetic environment monitoring system of power frequency alternating current -direct current - Google Patents
Mixed electromagnetic environment monitoring system of power frequency alternating current -direct current Download PDFInfo
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- CN205002800U CN205002800U CN201520700999.0U CN201520700999U CN205002800U CN 205002800 U CN205002800 U CN 205002800U CN 201520700999 U CN201520700999 U CN 201520700999U CN 205002800 U CN205002800 U CN 205002800U
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Abstract
The utility model provides a mixed electromagnetic environment monitoring system of power frequency alternating current -direct current, including the mixed electromagnetic field monitoring devices of alternating current -direct current, noise and meteorological data monitoring devices, communication module and information display unit, noise and meteorological data monitoring device and the mixed electromagnetic field monitoring devices's of alternating current -direct current signal input part be connected, the mixed electromagnetic field monitoring devices's of alternating current -direct current signal output part be connected with communication module's input, information display unit be connected with communication module's output, the mixed electromagnetic field monitoring devices of alternating current -direct current include magneto resistive sensor, mix electric field test probe, AD converting circuit and microprocessor, magneto resistive sensor, mixed electric field test probe are connected with AD converting circuit respectively, AD converting circuit and microprocessor are connected the utility model provides an under the power frequency alternating current -direct current condition of mixing electromagnetic environment the problem of monitoring is difficult to to go on.
Description
Technical field
The utility model belongs to electromagnetic environment monitoring field, particularly a kind of power frequency alternating current-direct current hybrid electromagnetic environmental monitoring system.
Background technology
Improving constantly in recent years along with people's living standard, electricity needs grows with each passing day, and China's electricity generation system construction and electrical network power transmission and transformation construction obtain to be greatly developed.Developed area electrical network is intensive, and power transmission line corridor is nervous, and environmental protection pressure increases.Select and the significantly current demand such as increase-volume for meeting corridor, a part of area has adopted UHV transmission line, with environmental protect with reduce taking of line corridor.But the electromagnetic environmental pollution that industrial frequency AC and extra-high voltage electric transmission and transformation operationally produce not only can affect the use of surrounding devices, but also the health of staff and the peripheral region people can be threatened.Therefore monitoring substation alterating and direct current magnetic environment situation is just necessary, the ruuning situation of transformer station can be understood on the one hand, for the fast development of electric utility provides foundation, substation operation maintainer and surrounding resident can be allowed again on the one hand to understand the situation of electromagnetic environmental pollution.
In prior art, the alternating electromagnetic of electromagnetic testing system and the monitoring of direct solenoid separate, but alternating current-direct current complex electrical field is produced by DC power transmission line and transmission line of alternation current acting in conjunction, the corona characteristic of AC and DC has certain difference, the space charge of mixed set-up circuit can produce interaction, so electromagnetic field under alternating current-direct current hybrid electromagnetic environment and ion distribution rule are not quite similar with single power frequency in the past, and be subject to the impact of external environment change, be difficult to carry out accurate measurements.
Utility model content
In order to overcome problems of the prior art, the utility model provides a kind of power frequency alternating current-direct current hybrid electromagnetic environmental monitoring system, solves the problem that electromagnetic environment in power frequency alternating current-direct current mixing situation is difficult to carry out monitoring.
For solving the problem, the technical solution adopted in the utility model is as follows:
A kind of power frequency alternating current-direct current hybrid electromagnetic environmental monitoring system, comprises alternating current-direct current hybrid electromagnetic field monitoring device, noise and weather data monitoring device, communication module and information display unit; Described noise and weather data monitoring device are connected with the signal input part of alternating current-direct current hybrid electromagnetic field monitoring device, and the signal output part of described alternating current-direct current hybrid electromagnetic field monitoring device is connected with the input end of communication module; Described information display unit is connected with the output terminal of communication module; Described alternating current-direct current hybrid electromagnetic field monitoring device comprises magnetoresistive transducer, complex electrical field test probe, A/D change-over circuit and microprocessor, described magnetoresistive transducer, complex electrical field test probe are connected with A/D change-over circuit respectively, and described A/D change-over circuit is connected with microprocessor.
Preferably, described communication module comprises ZigBee wireless communication module and optical fiber transmission module.
Preferably, described complex electrical field test probe is made up of upper rotating vane and lower blade, and upper rotating vane and lower blade are positioned on an axis, and described upper rotating vane is with axis of rotation and ground connection.
Preferably, described information display unit comprises display screen and server, and described display screen is connected with server.
Preferably, described magnetoresistive transducer is connected with the input end of A/D change-over circuit respectively with complex electrical field test probe, and the output terminal of described A/D change-over circuit is connected with microprocessor.
Preferably, described noise and weather data monitoring device comprise noise transducer, Temperature Humidity Sensor and A/D change-over circuit.
Preferably, described ZigBee wireless communication module comprises ZigBee router and ZigBee central coordinator.
Preferably, described display screen adopts LCD display.
Preferably, described microprocessor adopts single-chip microcomputer.
The beneficial effects of the utility model:
The utility model, by building power frequency alternating current-direct current hybrid electromagnetic environmental monitoring system, realizes the Real-Time Monitoring of project of transmitting and converting electricity on-the-spot power frequency alternating current-direct current hybrid electromagnetic environment.It can carry out round-the-clock real-time continuous monitoring to high-voltage dc, industrial frequency AC electric field, magnetic field, noise, humiture, multiple set of terminal can be disposed as required and become distributed monitoring network, there are data store and data sharing function, monitoring information is sent to host computer or server by wireless communication module and optical fiber by front end monitor in real time, meets the Real-Time Monitoring of electromagnetic environment and automatically uploading of Monitoring Data.
Accompanying drawing explanation
Fig. 1: structural representation of the present utility model.
Fig. 2: the structural representation of complex electrical field test probe.
In figure, 1-alternating current-direct current hybrid electromagnetic field monitoring device, 2-noise and weather data monitoring device, 3-communication module, 4-information display unit, 11-magnetoresistive transducer, 12-complex electrical field test probe, 13-A/D change-over circuit, 14-microprocessor, 21-noise transducer, 22-Temperature Humidity Sensor, 31-ZigBee wireless communication module, 32-optical fiber transmission module, 41-display, 42-server, the upper rotating vane of 121-, 122-lower blade, 123-rotating shaft.
Embodiment
In order to make the purpose of this utility model, technical scheme and beneficial effect clearly, below in conjunction with accompanying drawing, embodiment of the present utility model is described, so that technician understands.
As shown in Figure 1, the utility model comprises alternating current-direct current hybrid electromagnetic field monitoring device 1, noise and weather data monitoring device 2, communication module 3 and information display unit 4.Noise and weather data monitoring device 2 comprise Temperature Humidity Sensor 22, noise transducer 11 and A/D change-over circuit, and the signal that Temperature Humidity Sensor 22, noise transducer 11 collect is connected through the signal input part of A/D change-over circuit with the microprocessor 14 of alternating current-direct current hybrid electromagnetic field monitoring device 1.
Alternating current-direct current hybrid electromagnetic field monitoring device 1 comprises magnetoresistive transducer 11, complex electrical field test probe 12, A/D change-over circuit 13 and microprocessor 14, and microprocessor 14 adopts the single-chip microcomputer with stronger digital signal processing capability.Communication module comprises ZigBee wireless communication module 31 and optical fiber transmission module 32, signal after process is sent to information display unit by ZigBee wireless communication module 31 or optical fiber transmission module 32 by microprocessor 14, microprocessor 14 determines according to signal and communication distance the transmission mode adopting ZigBee wireless communication module 31 or optical fiber transmission module 32, if communication distance is in the scope of wireless transmission, adopt ZigBee wireless communication module 31, otherwise adopt Optical Fiber Transmission.Information display unit comprises display screen 41 and server 42, and display screen 41 is connected by signal wire with server 42, and display screen adopts LCD display.
Complex electrical field test probe 12 is comprehensively formed by industrial frequency AC electric field test probe and direct current total electric field measuring sonde, comprise rotating vane 121 and lower blade 122, upper rotating vane 121 and lower blade 122 are positioned on same axis, and upper rotating vane cuts out two sector regions; Lower blade is divided into four fan-shaped parts, and four fan-shaped parts have gap each other, and are linked together by core.Rotating shaft comprises inside and outside two-layer, and internal layer can rotate and higher than outer section, insulated from each other between ectonexine.Upper rotating vane 121 is fixed on the interior layer segment of rotating shaft, can with the internal layer partial turn of rotating shaft 123 and ground connection, and lower blade 122 is fixed on the outer section of rotating shaft 123.Alternating current-direct current hybrid electromagnetic field is through after complex electrical field test probe, and on static lower blade 122, finally form the electric field intensity signal of alternation, its structure as shown in Figure 2.
Principle of work of the present utility model is:
By being arranged on the alternating current-direct current hybrid electromagnetic field monitoring device of field monitoring point by complex electrical field test probe 12, magnetoresistive transducer 11 gathers the alterating and direct current magnetic field data of monitoring point, convert digital signal to through A/D change-over circuit 13 and send into single-chip microcomputer, the signal collected also is converted to after digital signal through A/D change-over circuit and sends into single-chip microcomputer by noise and weather monitoring device 2 simultaneously, signal is exported to information display unit 4 through Zigbee wireless communication module 31 or Optical Fiber Transmission 32 after signal processes in single-chip microcomputer, shown in real time by the display screen 41 of information display unit 4, with the presence states of alternating current-direct current hybrid electromagnetic field, Real-Time Monitoring monitoring point.
The utility model is by above-mentioned embodiment, the alterating and direct current magnetic field data of field monitoring point is carried out real-time Transmission to information display unit to carry out Dynamic Display, there is low in energy consumption, that cost is low, time delay is short, data capacity is large and reliability is strong advantage, for the staff carrying out electromagnetic environment monitor brings great convenience.
What finally illustrate is, above embodiment is only non-limiting for illustration of the technical solution of the utility model, although be described in detail the utility model by above-described embodiment, but those skilled in the art are to be understood that, various change can be made to it in the form and details, but all be encompassed in the middle of right of the present utility model.
Claims (9)
1. a power frequency alternating current-direct current hybrid electromagnetic environmental monitoring system, is characterized in that: comprise alternating current-direct current hybrid electromagnetic field monitoring device, noise and weather data monitoring device, communication module and information display unit; Described noise and weather data monitoring device are connected with the signal input part of alternating current-direct current hybrid electromagnetic field monitoring device, and the signal output part of described alternating current-direct current hybrid electromagnetic field monitoring device is connected with the input end of communication module; Described information display unit is connected with the output terminal of communication module; Described alternating current-direct current hybrid electromagnetic field monitoring device comprises magnetoresistive transducer, complex electrical field test probe, A/D change-over circuit and microprocessor, described magnetoresistive transducer, complex electrical field test probe are connected with A/D change-over circuit respectively, and described A/D change-over circuit is connected with microprocessor.
2. a kind of power frequency alternating current-direct current hybrid electromagnetic environmental monitoring system according to claim 1, is characterized in that: described communication module comprises ZigBee wireless communication module and optical fiber transmission module.
3. a kind of power frequency alternating current-direct current hybrid electromagnetic environmental monitoring system according to claim 1, it is characterized in that: described complex electrical field test probe is made up of upper rotating vane and lower blade, upper rotating vane and lower blade are positioned on an axis, and described upper rotating vane is with axis of rotation and ground connection.
4. a kind of power frequency alternating current-direct current hybrid electromagnetic environmental monitoring system according to claim 1, it is characterized in that: described information display unit comprises display screen and server, described display screen is connected with server.
5. a kind of power frequency alternating current-direct current hybrid electromagnetic environmental monitoring system according to claim 1, it is characterized in that: described magnetoresistive transducer is connected with the input end of A/D change-over circuit respectively with complex electrical field test probe, the output terminal of described A/D change-over circuit is connected with microprocessor.
6. a kind of power frequency alternating current-direct current hybrid electromagnetic environmental monitoring system according to claim 1, is characterized in that: described noise and weather data monitoring device comprise noise transducer, Temperature Humidity Sensor and A/D change-over circuit.
7. a kind of power frequency alternating current-direct current hybrid electromagnetic environmental monitoring system according to claim 2, is characterized in that: described ZigBee wireless communication module comprises ZigBee router and ZigBee central coordinator.
8. a kind of power frequency alternating current-direct current hybrid electromagnetic environmental monitoring system according to claim 4, is characterized in that: described display screen adopts LCD display.
9. a kind of power frequency alternating current-direct current hybrid electromagnetic environmental monitoring system according to claim 1, is characterized in that: described microprocessor adopts single-chip microcomputer.
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| CN201520700999.0U CN205002800U (en) | 2015-09-09 | 2015-09-09 | Mixed electromagnetic environment monitoring system of power frequency alternating current -direct current |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
| CN107589310A (en) * | 2016-07-08 | 2018-01-16 | 武汉瑞莱保能源技术有限公司 | A kind of electromagnetic environment monitor circuit |
| CN107703371A (en) * | 2017-09-29 | 2018-02-16 | 国网陕西省电力公司电力科学研究院 | Sensitive spot complex electrical field measuring system and method below a kind of alternating current-direct current joint line |
| CN108387786A (en) * | 2018-05-09 | 2018-08-10 | 国网河南省电力公司电力科学研究院 | A kind of substation's electromagnetic environment public's interactive device |
| CN109724649A (en) * | 2019-01-22 | 2019-05-07 | 武汉大学 | A kind of alternating current-direct current electromagnetic environment monitoring system |
| CN109946530A (en) * | 2019-03-19 | 2019-06-28 | 武汉轻工大学 | Complex electrical field monitoring method, equipment, storage medium and device |
| CN113311214A (en) * | 2021-05-21 | 2021-08-27 | 山东中实易通集团有限公司 | Non-contact alternating current-direct current suspension conductor potential measurement system and method |
-
2015
- 2015-09-09 CN CN201520700999.0U patent/CN205002800U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107589310A (en) * | 2016-07-08 | 2018-01-16 | 武汉瑞莱保能源技术有限公司 | A kind of electromagnetic environment monitor circuit |
| 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 |
| 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 |
| CN107703371A (en) * | 2017-09-29 | 2018-02-16 | 国网陕西省电力公司电力科学研究院 | Sensitive spot complex electrical field measuring system and method below a kind of alternating current-direct current joint line |
| CN108387786A (en) * | 2018-05-09 | 2018-08-10 | 国网河南省电力公司电力科学研究院 | A kind of substation's electromagnetic environment public's interactive device |
| CN109724649A (en) * | 2019-01-22 | 2019-05-07 | 武汉大学 | A kind of alternating current-direct current electromagnetic environment monitoring system |
| CN109946530A (en) * | 2019-03-19 | 2019-06-28 | 武汉轻工大学 | Complex electrical field monitoring method, equipment, storage medium and device |
| CN113311214A (en) * | 2021-05-21 | 2021-08-27 | 山东中实易通集团有限公司 | Non-contact alternating current-direct current suspension conductor potential measurement system and method |
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