CN102997990B - Transmission line of electricity audible noise and radio interference long-term measurement system and measuring method - Google Patents
Transmission line of electricity audible noise and radio interference long-term measurement system and measuring method Download PDFInfo
- Publication number
- CN102997990B CN102997990B CN201210551802.2A CN201210551802A CN102997990B CN 102997990 B CN102997990 B CN 102997990B CN 201210551802 A CN201210551802 A CN 201210551802A CN 102997990 B CN102997990 B CN 102997990B
- Authority
- CN
- China
- Prior art keywords
- noise
- computing machine
- field control
- control computing
- radio
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000005259 measurement Methods 0.000 title claims abstract description 29
- 230000005540 biological transmission Effects 0.000 title claims abstract description 28
- 230000005611 electricity Effects 0.000 title claims abstract description 28
- 238000000034 method Methods 0.000 title claims abstract description 20
- 230000007774 longterm Effects 0.000 title claims abstract description 12
- 239000000523 sample Substances 0.000 claims abstract description 20
- 238000001228 spectrum Methods 0.000 claims description 8
- 238000012360 testing method Methods 0.000 claims description 8
- 230000005672 electromagnetic field Effects 0.000 claims description 6
- 238000001556 precipitation Methods 0.000 claims description 3
- 230000008054 signal transmission Effects 0.000 claims description 3
- ASOKPJOREAFHNY-UHFFFAOYSA-N 1-Hydroxybenzotriazole Chemical compound C1=CC=C2N(O)N=NC2=C1 ASOKPJOREAFHNY-UHFFFAOYSA-N 0.000 claims description 2
- 230000006855 networking Effects 0.000 claims description 2
- 238000010276 construction Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
Landscapes
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
Transmission line of electricity audible noise designed by the present invention and radio interference long-term measurement system and measuring method, it comprises noise network analyser, wireless aerial, the radio signal receiver be connected with wireless aerial, it also comprises field control computing machine, remote control computer and multiple noise probe, wherein, the signal output part of described each noise probe all connects the signal input part of noise network analyser, the signal output part of noise network analyser connects field control computing machine, described radio signal receiver connects field control computing machine, described field control computing machine is connected with remote control computer by network.The present invention can measure amblent air temperature around the audible noise of transmission line of electricity and radio interference and circuit continuously for a long time at multiple measurement point.And accuracy and the reliability of measurement result can be ensured.<!--1-->
Description
Technical field
The present invention relates to high-voltage testing room technical field of electromagnetic compatibility, refer to a kind of transmission line of electricity audible noise and radio interference long-term measurement system and measuring method particularly.
Technical background
In recent years along with socioeconomic growing, power grid construction scale continues to increase, and China's electrical network has entered the New Times of extra-high voltage grid construction and development, and the environmental consciousness of broad masses of the people strengthens day by day simultaneously.The environmental issue of project of transmitting and converting electricity causes the extensive concern of various circles of society.According to standard-required, the electromagnetic environment monitor at present for project of transmitting and converting electricity generally only carries out at fair weather, and the audible noise of project of transmitting and converting electricity and radio interference change greatly with envirment factors such as weather, need long-term test statistics analysis.
At present single-point short-duration test system is to the system that the electromagnetic environment of transmission line of electricity is tested, the data that this system obtains need to carry out artificial collection and statistics to obtain a long-term multipoint data, significantly increase the labour intensity of researchist like this, meanwhile, the accuracy of data and reliability not high yet.
Summary of the invention
Object of the present invention will provide a kind of transmission line of electricity audible noise and radio interference long-term measurement system and measuring method exactly, and the multiple spot that this system and method can realize audible noise and radio interference is tested for a long time.
For realizing this object, transmission line of electricity audible noise designed by the present invention and radio interference long-term measurement system, it comprises noise network analyser, wireless aerial, the radio signal receiver be connected with wireless aerial, it is characterized in that: it also comprises field control computing machine, remote control computer and multiple noise probe, wherein, the signal output part of described each noise probe all connects the signal input part of noise network analyser, the signal output part of noise network analyser connects field control computing machine, described radio signal receiver connects field control computing machine, described field control computing machine is connected with remote control computer by network.
In technique scheme, it also comprises meteorologic survey equipment, and the signal output part of described meteorologic survey equipment connects field control computing machine.
Internet connection is passed through between described field control computing machine and remote control computer.
Utilize a measuring method for above-mentioned transmission line of electricity audible noise and radio interference long-term measurement system, it is characterized in that, it comprises the steps:
Step 1: corresponding noise probe and wireless aerial are set around the ambient electromagnetic field of all transmission lines of electricity to be measured;
Step 2: the audible noise that the ambient electromagnetic field that noise probe responds to transmission line of electricity to be measured sends, the radio-interference signals that transmission line of electricity to be measured sends responded to by wireless aerial;
Step 3: described noise probe converts the audible noise sensed to audible noise electric signal transmission to noise network analyser, and the radio-interference signals sensed is transferred to radio signal receiver by wireless aerial;
Step 4: above-mentioned noise network analyser carries out synchro measure to the statistical value of audible noise electric signal and frequency spectrum, radio signal receiver is that namely radio interference that radio-interference signals in 9k ~ 30MHz carries out a frequency fixes the numerical measuring of frequency or the radio interference of different frequency and frequency spectrum numerical measuring to frequency range;
Step 5: above-mentioned measurement result is transferred to field control computing machine by described noise network analyser, the numerical measuring result of above-mentioned fixing frequency or the radio interference measurement result of different frequent points are transferred to field control computing machine by radio signal receiver, namely complete the measuring process of transmission line of electricity audible noise and radio interference.
In described step 5, the real time environment temperature of meteorologic survey equipment collection site, humidity, air pressure and precipitation parameter, and by these parameter transmission to field control computing machine.
Also be provided with step 6 after described step 5: between described field control computing machine is connected with remote control computer, realize exchanges data, realize the telemeasurement operation of operating personnel.
The present invention can measure amblent air temperature around the audible noise of transmission line of electricity and radio interference and circuit continuously for a long time at multiple measurement point.And accuracy and the reliability of measurement result can be ensured.
Accompanying drawing explanation
Fig. 1 is structured flowchart of the present invention;
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail:
Transmission line of electricity audible noise in figure shown in 1 and radio interference long-term measurement system and measuring method, it comprises noise network analyser, wireless aerial, the radio signal receiver be connected with wireless aerial, field control computing machine, remote control computer and multiple noise probe, wherein, the signal output part of each noise probe all connects the signal input part of noise network analyser, the signal output part of noise network analyser connects field control computing machine, described radio signal receiver connects field control computing machine, described field control computing machine is connected with remote control computer by network.
Above-mentioned noise network analyser adopts Denmark B & K company PULSE network analyzer, and this noise network analyser can carry out synchro measure to the statistical value of audible noise and frequency spectrum.Each noise probe can be placed in interested difference position, and be connected to noise network analyser by concentric cable, the result that noise network analyser obtains after being processed by the noise of measuring point is connected on field control computing machine through netting twine.
Above-mentioned radio signal receiver adopts German SCHWARZBECK company FCKL1528 electromagnetic interference measurement, EMI measurement receiver, above-mentioned wireless aerial adopts the active coil antenna of ETS company 6502 of the U.S., above-mentioned receiver can carry out the long-time test of a frequency and the scanning of different frequent points to the radio interference in 9k ~ 30MHz frequency range, and measurement result can be stored as data layout.
In technique scheme, it also comprises meteorologic survey equipment, and the signal output part of described meteorologic survey equipment connects field control computing machine.Above-mentioned meteorologic survey equipment adopts the small-sized weather station of HOBO company of the U.S., and can measure environment temperature, humidity, air pressure and rainfall etc., measuring intervals of TIME can set, and measurement result delivers to field control computing machine through USB port.The external solar panel internal battery in weather station, can test for a long time.
In technique scheme, between field control computing machine and remote control computer, pass through Internet connection.
In technique scheme, field control computing machine to the Internet, is provided with remote control program in field control computing machine through cable network or wireless 3G network equipment connection, and be provided with far-end and control password, after computer booting, this program is run immediately.After remote control computer networking, by code entry field control computing machine.Owing to adopting code entry, even if field control computing machine unmanned also can be controlled.Very safe and convenient.Test result is generally all stored on field control computing machine, and remote control computer can obtain this data at any time.
Utilize a measuring method for above-mentioned transmission line of electricity audible noise and radio interference long-term measurement system, it comprises the steps:
Step 1: corresponding noise probe and wireless aerial are set around the ambient electromagnetic field of all transmission lines of electricity to be measured;
Step 2: the audible noise that the ambient electromagnetic field that noise probe responds to transmission line of electricity to be measured sends, the radio-interference signals that transmission line of electricity to be measured sends responded to by wireless aerial;
Step 3: described noise probe converts the audible noise sensed to audible noise electric signal transmission to noise network analyser, and the radio-interference signals sensed is transferred to radio signal receiver by wireless aerial;
Step 4: above-mentioned noise network analyser carries out synchro measure to the statistical value of audible noise electric signal and frequency spectrum, radio signal receiver is that namely radio interference that radio-interference signals in 9k ~ 30MHz carries out a frequency fixes the numerical measuring of frequency or the radio interference of different frequency and frequency spectrum numerical measuring to frequency range;
Step 5: above-mentioned measurement result is transferred to field control computing machine by described noise network analyser, the numerical measuring result of above-mentioned fixing frequency or the radio interference measurement result of different frequent points are transferred to field control computing machine by radio signal receiver, namely complete the measuring process of transmission line of electricity audible noise and radio interference.
In the step 5 of technique scheme, the real time environment temperature of meteorologic survey equipment collection site, humidity, air pressure and precipitation parameter, and by these parameter transmission to field control computing machine.
Also be provided with step 6 after the step 5 of technique scheme: between described field control computing machine is connected with remote control computer, realize exchanges data, realize the telemeasurement operation of operating personnel.
When the present invention works: each noise probe acquires to noise signal in real time be transferred in field control computing machine by noise network analyser, the radio-interference signals that wireless aerial receives is transferred in field control computing machine by radio signal receiver, the environment temperature collected, humidity, air pressure and rainfall signal are also transferred in field control computing machine by meteorologic survey equipment, and manually-operated remote control computer controls field control computer measurement audible noise and radio interference by the Internet.
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 (1)
1. one kind utilizes the measuring method of transmission line of electricity audible noise and radio interference long-term measurement system, described measuring system comprises noise network analyser, wireless aerial, meteorologic survey equipment, the radio signal receiver be connected with wireless aerial, it also comprises field control computing machine, remote control computer and multiple noise probe, wherein, the signal output part of each noise probe all connects the signal input part of noise network analyser, the signal output part of noise network analyser connects field control computing machine, described radio signal receiver connects field control computing machine, described field control computing machine is connected with remote control computer by network, the signal output part of described meteorologic survey equipment connects field control computing machine, Internet connection is passed through between described field control computing machine and remote control computer, it is characterized in that, described measuring method comprises the steps:
Step 1: corresponding noise probe and wireless aerial are set around the ambient electromagnetic field of all transmission lines of electricity to be measured;
Step 2: the audible noise that the ambient electromagnetic field that noise probe responds to transmission line of electricity to be measured sends, the radio-interference signals that transmission line of electricity to be measured sends responded to by wireless aerial;
Step 3: described noise probe converts the audible noise sensed to audible noise electric signal transmission to noise network analyser, and the radio-interference signals sensed is transferred to radio signal receiver by wireless aerial;
Step 4: above-mentioned noise network analyser carries out synchro measure to the statistical value of audible noise electric signal and frequency spectrum, radio signal receiver is that namely radio interference that radio-interference signals in 9k ~ 30MHz carries out a frequency fixes the numerical measuring of frequency or the radio interference of different frequency and frequency spectrum numerical measuring to frequency range;
Step 5: above-mentioned measurement result is transferred to field control computing machine by described noise network analyser, the numerical measuring result of above-mentioned fixing frequency or the radio interference measurement result of different frequent points are transferred to field control computing machine by radio signal receiver, namely the measuring process of transmission line of electricity audible noise and radio interference is completed, wherein: the real time environment temperature of meteorologic survey equipment collection site, humidity, air pressure and precipitation parameter, and by these parameter transmission to field control computing machine;
Step 6: realize exchanges data between described field control computing machine is connected with remote control computer, realizes the telemeasurement operation of operating personnel;
Above-mentioned field control computing machine through cable network or wireless 3G network equipment connection to the Internet, in field control computing machine, remote control program is installed, be provided with far-end and control password, after computer booting, this program is run immediately, after remote control computer networking, by code entry field control computing machine;
Above-mentioned noise network analyser adopts Denmark B & K company PULSE network analyzer, this noise network analyser can carry out synchro measure to the statistical value of audible noise and frequency spectrum, each noise probe can be placed in interested difference position, be connected to noise network analyser by concentric cable, the result that noise network analyser obtains after being processed by the noise of measuring point is connected on field control computing machine through netting twine;
Above-mentioned radio signal receiver adopts German SCHWARZBECK company FCKL1528 electromagnetic interference measurement, EMI measurement receiver, above-mentioned wireless aerial adopts the active coil antenna of ETS company 6502 of the U.S., above-mentioned receiver can carry out the long-time test of a frequency and the scanning of different frequent points to the radio interference in 9k ~ 30MHz frequency range, and measurement result can be stored as data layout;
Above-mentioned meteorologic survey equipment adopts the small-sized weather station of HOBO company of the U.S., can measure environment temperature, humidity, air pressure and rainfall etc., measuring intervals of TIME can set, measurement result delivers to field control computing machine through USB port, the external solar panel internal battery in weather station, can test for a long time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210551802.2A CN102997990B (en) | 2012-12-18 | 2012-12-18 | Transmission line of electricity audible noise and radio interference long-term measurement system and measuring method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210551802.2A CN102997990B (en) | 2012-12-18 | 2012-12-18 | Transmission line of electricity audible noise and radio interference long-term measurement system and measuring method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102997990A CN102997990A (en) | 2013-03-27 |
| CN102997990B true CN102997990B (en) | 2015-12-23 |
Family
ID=47926852
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210551802.2A Active CN102997990B (en) | 2012-12-18 | 2012-12-18 | Transmission line of electricity audible noise and radio interference long-term measurement system and measuring method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102997990B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105699790A (en) * | 2016-01-27 | 2016-06-22 | 国家电网公司 | A high-voltage transmission line audible discharge noise monitoring device |
| CN110207815A (en) * | 2019-07-03 | 2019-09-06 | 深圳市智德森自动化技术有限公司 | A kind of radio noise monitoring system |
| CN112910505A (en) * | 2021-02-03 | 2021-06-04 | 青岛鼎信通讯股份有限公司 | Noise elimination circuit applied to medium-voltage power line communication equipment |
| CN114910118A (en) * | 2021-11-17 | 2022-08-16 | 中国电力科学研究院有限公司 | Method and system for observing electromagnetic environment of alternating-current transmission line |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201680859U (en) * | 2010-05-26 | 2010-12-22 | 西安工程大学 | Intelligent transmission line integrated on-line monitoring device |
| CN102509011A (en) * | 2011-11-03 | 2012-06-20 | 国网电力科学研究院 | Radio interference exciting functions for conductors of ultrahigh-voltage transmission line and determining method for radio interference exciting functions |
| CN202329803U (en) * | 2011-11-26 | 2012-07-11 | 王晓利 | Portable remote automatic noise monitoring system |
| CN102707014A (en) * | 2012-05-31 | 2012-10-03 | 广东电网公司江门供电局 | Method and system for evaluating surface state of wire of power transmission line |
| CN202974428U (en) * | 2012-12-18 | 2013-06-05 | 中国电力科学研究院 | Long-term surveying system for audible noises and radio disturbances of transmission line |
-
2012
- 2012-12-18 CN CN201210551802.2A patent/CN102997990B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201680859U (en) * | 2010-05-26 | 2010-12-22 | 西安工程大学 | Intelligent transmission line integrated on-line monitoring device |
| CN102509011A (en) * | 2011-11-03 | 2012-06-20 | 国网电力科学研究院 | Radio interference exciting functions for conductors of ultrahigh-voltage transmission line and determining method for radio interference exciting functions |
| CN202329803U (en) * | 2011-11-26 | 2012-07-11 | 王晓利 | Portable remote automatic noise monitoring system |
| CN102707014A (en) * | 2012-05-31 | 2012-10-03 | 广东电网公司江门供电局 | Method and system for evaluating surface state of wire of power transmission line |
| CN202974428U (en) * | 2012-12-18 | 2013-06-05 | 中国电力科学研究院 | Long-term surveying system for audible noises and radio disturbances of transmission line |
Non-Patent Citations (1)
| Title |
|---|
| 环境电磁辐射的监测方法;黄春峰等;《环境研究与检测》;20091231;第22卷(第4期);第1-2部分 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102997990A (en) | 2013-03-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102841296B (en) | Online monitoring system and method for partial discharge of intelligent switch cabinet based on ultra-high frequency detection | |
| CN202631151U (en) | Powerless and wireless online monitoring system for temperature of switch cabinet | |
| CN202066932U (en) | Potable partial-discharge ultrasonic cloud detection device | |
| CN102298107A (en) | Portable ultrasonic wave and cloud detection apparatus for partial discharge | |
| CN207380224U (en) | A kind of multichannel power frequency magnetic field intensity synchronized measurement system | |
| CN103674292A (en) | Temperature detecting method and apparatus for devices of transformer station | |
| CN102997990B (en) | Transmission line of electricity audible noise and radio interference long-term measurement system and measuring method | |
| CN106771900A (en) | Switch cubicle big data state evaluating method and system based on intelligent shelf depreciation live detection | |
| CN103743973A (en) | Electromagnetic compatibility immunity test system used for key-free system | |
| CN102866301A (en) | Grounding resistance analyzing device and grounding resistance analyzing method | |
| CN105022020A (en) | RF electromagnetic field and radio immunity test system and method of electric energy meter | |
| CN107478326A (en) | A kind of multichannel audible noise synchronized measurement system and method | |
| CN105807158A (en) | Electric power parameter online monitoring system and monitoring control method for power grid connection points and switches | |
| CN105021959A (en) | Novel partial discharge live-line detection system and method for main equipment of distribution network | |
| CN103604494A (en) | Method for improving accuracy of transformer substation boundary noise measurement | |
| CN102279321A (en) | Portable low-frequency/very-low-frequency electromagnetic wave signal intensity detection device | |
| CN103399555A (en) | Wireless intelligent monitoring system for combustible and toxic gas | |
| CN103743967A (en) | Remote test system and method for substation high frequency protection channel state | |
| CN202974428U (en) | Long-term surveying system for audible noises and radio disturbances of transmission line | |
| CN104049185B (en) | A kind of Portable PD On-Line detecting system and method | |
| CN203881891U (en) | Transformer grounding downlead conduction state inspection device | |
| CN103675593A (en) | Electrification testing system and method for zinc oxide arrester in armored cabinet | |
| CN205384322U (en) | Thunder and lightning early warning system based on wireless local communication | |
| CN203249699U (en) | Power network operation equipment temperature sensing system based on technology of Internet of Things | |
| CN103558432A (en) | High-voltage direct connection type electricity stealing detection device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |