CN207424114U - A kind of system for progress multichannel power frequency electric field measurement under high humidity conditions - Google Patents
A kind of system for progress multichannel power frequency electric field measurement under high humidity conditions Download PDFInfo
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- CN207424114U CN207424114U CN201721185357.7U CN201721185357U CN207424114U CN 207424114 U CN207424114 U CN 207424114U CN 201721185357 U CN201721185357 U CN 201721185357U CN 207424114 U CN207424114 U CN 207424114U
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Abstract
The utility model discloses a kind of for carrying out the system of multichannel power frequency electric field measurement under high humidity conditions：At least 1 electric field measurement unit, electric field measurement unit include capacitance type sensor, measuring circuit and housing, and capacitance type sensor and measuring circuit be installed in the housing of closing, liquid filling body insulating materials and are solidified in housing；Capacitance type sensor obtains the electric field strength of measure field for being measured simultaneously to the electric field component in orthogonal three directions；Electric field measurement unit is by wireless communication unit by electric field strength data sending to host computer；Host computer receives the electric field strength data that at least 1 electric field measurement unit is sent and is shown.Electric field strength data test result is uploaded to computer by host computer, and computer stores the electric field strength data and carries out real-time display.The system of the application can reduce high humidity environment influence, realize multiple spot, high-precision measurement synchronized to power frequency electric field.
Description
Technical field
It is more for carrying out under high humidity conditions more particularly, to one kind the utility model is related to electric field measurement technology
The system of passage power frequency electric field measurement.
Background technology
Power-frequency electric field strength is AC input transformation engineering electromagnetic environment monitor and the major parameter of evaluation, and the prior art is to work
For frequency electric field measurement mostly using floating type line-frequency electric field measuring device, the principle of the device is using bipolar plates suspended substance capacitive coupling
Formula sensor sensing electric field, this two pole plates of sensor suspend over the ground, and subsequent conditioning circuit handles sensor using differential mode
Signal is exported, relative electric fields intensity value is calculated by measuring the sensing electric current of capacitance sheet.The capacitance is mostly two gold medals
Air insulated or use double-sided PCB board mode between category plate, the double layer of metal material of sampling is directly exposed in air, in air
When humidity is compared with as large as more than 65%, due to the Leakage Current increase between double layer of metal material so that electric field measurement error is significantly
Increase, sometimes the 2 times or more of even up to true field strength, the measurement and evaluation to electric field are with larger puzzlement, and humidity is high
When ordinary stent such as wood materials also because making moist when insulation performances reduce so that Leakage Current increase, and then cause measurement error
Increase.But in actual use, due to the limitation of field condition, many human observers after the rain, it is small in the rain or relative humidity compared with
It is tested in the case of big, measurement result is caused to deviate normal range (NR), cause the even environmentally friendly dispute of unnecessary misunderstanding.It is existing
Some devices are difficult to the needs for meeting high humidity application.
Current electric field measurement one-to-one can only be measured generally using optical-fibre communications, and when measurement needs to move simultaneously
Host and probe positions, gauger easily triggers electric field distortion when optical fiber is shorter, and optical fiber is non-when when optical fiber is longer, winding, is mobile
Often it is easily damaged.
Therefore, it is necessary to a kind of technology, to realize the measurement for carrying out multichannel power frequency electric field under high humidity conditions.
The content of the invention
The utility model provides a kind of system for progress multichannel power frequency electric field measurement under high humidity conditions, with
It solves the problems, such as to carry out the measurement of multichannel power frequency electric field how under high humidity conditions.
To solve the above-mentioned problems, the present invention provides one kind for carrying out multichannel power frequency electric field under high humidity conditions
The system of measurement, the system comprises：
At least 1 electric field measurement unit, the electric field measurement unit include capacitance type sensor, measuring circuit and housing,
The capacitance type sensor and the measuring circuit are installed in the housing of the closing, liquid filling body insulation material in the housing
Expect and solidified；The capacitance type sensor is used to simultaneously measure the electric field component in orthogonal three directions,
Obtain the electric field strength of measure field；The electric field measurement unit is by wireless communication unit by the electric field strength data sending
To host computer；
The electric field strength data of at least 1 electric field measurement unit transmission described in the host computer reception are simultaneously shown
Show；
Electric field strength data test result is uploaded to computer by the host computer, and computer is to the electric field strength data
It is stored and carries out real-time display.
Preferably, the capacitance type sensor is used to simultaneously survey the electric field component in orthogonal three directions
Amount obtains three-dimensional electric field strength component.
Preferably, the liquid insulating material can be that epoxy resin liquid etc. can be become solid insulating materials from liquid.
Preferably, the system comprises stent, at least 1 electric field measurement unit is installed on the stent；Institute
Stent is stated as insulative water-proof material, the support height can be adjusted.
Preferably, the stent can be made of solid organic glass, and to the stent surface coated water proof anti-soil material.
Preferably, the wireless communication unit includes Si4463 wireless communication modules or wireless carriers communication mould
Block.
Technical scheme provides a kind of system for progress multichannel power frequency electric field measurement under high humidity conditions,
System includes at least 1 electric field measurement unit, and electric field measurement unit includes capacitance type sensor, measuring circuit and housing, capacitance
Formula sensor and measuring circuit are installed in the housing of closing, liquid filling body insulating materials and are solidified in housing；Condenser type
Sensor obtains the electric field strength of measure field for being measured simultaneously to the electric field component in orthogonal three directions；
Electric field measurement unit is by wireless communication unit by the electric field strength data sending to host computer；Host computer receives at least 1
The electric field strength data of electric field measurement unit transmission are simultaneously shown.Electric field strength data test result is uploaded to meter by host computer
Calculation machine, computer store the electric field strength data and carry out real-time display.Technical scheme proposes that one kind is adopted
With the multichannel power frequency electric field measuring system and method for wireless telecommunications, high humidity environment influence can be reduced, realize multiple spot, high-precision
Measurement is synchronized to power frequency electric field, solve that existing measuring device is complicated using wire communication connection, and test probe is few, surveys
Examination is apart from the deficiencies of short, measurement time can not be fully synchronized.
Description of the drawings
By reference to the following drawings, exemplary embodiments of the present invention can be more fully understood by：
Fig. 1 is for progress multichannel power frequency electric field measurement under high humidity conditions according to one kind of embodiment of the present invention
System construction drawing；
Fig. 2 is for progress multichannel power frequency electric field measurement under high humidity conditions according to one kind of embodiment of the present invention
Internal system structure chart.
Specific embodiment
Exemplary embodiments of the present invention are introduced referring now to attached drawing, however, the present invention can use many different shapes
Formula is implemented, and is not limited to the embodiment described herein, and to provide these embodiments be to disclose at large and fully
The present invention, and fully convey the scope of the present invention to person of ordinary skill in the field.Show for what is be illustrated in the accompanying drawings
Term in example property embodiment is not limitation of the invention.In the accompanying drawings, identical cells/elements use identical attached
Icon is remembered.
Unless otherwise indicated, term used herein has person of ordinary skill in the field (including scientific and technical terminology)
It is common to understand meaning.Further it will be understood that with the term that usually used dictionary limits, be appreciated that and its
The linguistic context of association area has consistent meaning, and is not construed as Utopian or overly formal meaning.
Fig. 1 is for progress multichannel power frequency electric field measurement under high humidity conditions according to one kind of embodiment of the present invention
System construction drawing.The offer of the application embodiment is a kind of to be used to carry out multichannel power frequency electric field measurement under high humidity conditions
System 100, system 100 include at least 1 electric field measurement unit 101-1,101-2 ... 101-n, and electric field measurement unit passes through wireless
Communication unit 102-1,102-2 is by electric field strength data sending to host computer 103；Host computer 103 receives at least 1 electric field measurement
The electric field strength data of unit transmission are simultaneously shown.A kind of multichannel using wireless telecommunications that embodiment of the present invention proposes
Power frequency electric field measuring system and its device can reduce high humidity environment influence, realize multiple spot, is high-precision to power frequency electric field progress
Synchro measure, solves that existing measuring device is complicated using wire communication connection, and test probe is few, and measuring distance is short, during measurement
The deficiencies of quarter can not be fully synchronized.As shown in Figure 1, system 100 includes：
At least 1 electric field measurement unit 101-1,101-2 ... 101-n, electric field measurement unit 101-1,101-2 ... 101-n
Including capacitance type sensor, measuring circuit and housing, capacitance type sensor and measuring circuit are installed in the housing of closing, housing
Interior liquid filling body insulating materials is simultaneously solidified；Capacitance type sensor is for simultaneously to the electric field point in orthogonal three directions
Amount measures, and obtains the electric field strength of measure field；Electric field measurement unit 101-1,101-2 ... 101-n pass through wireless telecommunications
Unit is by electric field strength data sending to host computer 103.
Preferably, system 100 includes stent, will at least 1 electric field measurement unit be installed on stent；Stent is anti-for insulation
Water material, support height can be adjusted.
Preferably, stent can be made of solid organic glass, and to stent surface coated water proof anti-soil material.
The multichannel power frequency electric field that the system 100 of the application embodiment is suitable for high humidity measures, including at least 1
Electric field measurement unit 101-1,101-2 ... 101-n, 1 telescoping shoring column and 1 host computer 103 that platform is fully cured；Electric field is surveyed
It measures between unit 101-1,101-2 ... 101-n and host computer 103 using wireless telecommunications, electric field measurement unit 101-1,101-2 ...
101-n is placed on telescoping shoring column, for the measurement of space electrical field, in electric field measurement unit 101-1,101-2 ... 101-n
Gather signal capacitance type sensor and process circuit after liquid insulating material solidifies, completely with air exclusion, stent use
High Performance Insulation material and brush water-proof stain-resistant coating.
Preferably, host computer 103 can not only can carry out one-to-one test with single electric field measurement unit, but can with it is more
A electric field measurement unit realizes that multiple spot is tested simultaneously by wireless telecommunications.
Preferably, liquid insulating material can be epoxy resin liquid.Preferably, electric field measurement unit 101-1,101-2 ...
Gathered in 101-n signal capacitance type sensor and process circuit after liquid insulating material solidifies, completely and air exclusion, branch
Frame uses High Performance Insulation material and brush water-proof stain-resistant coating.
Preferably, capacitance type sensor obtains for being measured simultaneously to the electric field component in orthogonal three directions
Take three-dimensional electric field strength component.
Host computer 103 receives the electric field strength data that at least 1 electric field measurement unit 101-1,101-2 ... 101-n is sent
And it is shown.Preferably, power frequency electric field measuring system, host computer 103 can show three-dimensional component and total amount result simultaneously.
Preferably, wireless communication unit includes Si4463 wireless communication modules or wireless carriers communication module.This
In application when measurement distance is less than 2km, 100 wireless telecommunications of system are using wireless modules such as Si4463, when distance is more than 2km
When, using the communication network of operator.
Preferably, power frequency electric field measuring system 100 not only can correspond to 1 electric field measurement unit with 1 host computer 103
101-1 realizes one-to-one measurement, can also by 1 host computer 103 simultaneously with more electric field measurement units 101-1,101-
2 ... 101-n are communicated wirelessly, and realize one-to-many synchro measure.
Preferably, multiple power frequency electric field measuring unit 101-1,101-2 ... 101-n are distributed across by measuring system 100
Different zones, and each electric field measurement unit 101-1,101-2 ... 101-n has different geocodings；When host computer 103 passes through
When broadcasting instructions send data preparation upload command, all power frequency electric field measuring unit 101-1,101-2 ... 101-n will be surveyed currently
Data are measured to be packaged, after host computer 103 sends and sends upload command by poll, each electric field measurement unit 101-1,101-
After 2 ... 101-n receive 103 uploading instructions of host computer, measurement data is uploaded to host computer 103 by wireless communication mode.
After host computer 103 receives measurement data, first to the measurement data real-time display, and test result is uploaded to meter
Generator terminal, computer terminal real-time display different measuring points measurement result are calculated, computer program can store data and export statistics
As a result.Host computer 103 can also be attached with computer, and data are stored and are analyzed.
Fig. 2 is for progress multichannel power frequency electric field measurement under high humidity conditions according to one kind of embodiment of the present invention
Internal system structure chart.As shown in Fig. 2, 1,3 be curable dielectric material, 2 be capacitance type sensor, and 4 be measuring circuit plate.Electricity
Using three axis capacitance type sensors inside field measurement unit, orthogonal three direction electric field components can be surveyed simultaneously
Amount, and pass through quadratic sum evolution and obtain electric field total amount.
Capacitance type sensor and process circuit inside the electric field measurement unit of the application embodiment is through fluid insulation material
After material solidification, completely and air exclusion, while stent uses High Performance Insulation material and brush water-proof stain-resistant coating.It can reduce even
Influence of the humidity variation to power frequency electric field measurement is eliminated, is measured suitable for the power frequency electric field under the conditions of different humidity.Due to current
Electric field measurement generally using optical-fibre communications, one-to-one can only measure, when measurement needs mobile host simultaneously and probe position
It puts, gauger easily causes electric field distortion when optical fiber is shorter, and optical fiber is very easy to damage when optical fiber is longer, winding, is mobile.This
Using wireless telecommunications between device electric field measurement unit and host, connecting line is eliminated, measurement arrangement and point position adjustment are non-
It is often convenient, it greatly improves work efficiency and reduces labor intensity, overlength distance and the test of multiple spot power frequency electric field can be met
It needs.
The application embodiment shows there is friendly man-machine interface using total digitalization, can be convenient, efficiently and accurately
Measure power-frequency electric field strength.The application can realize more, accurately synchro measure power-frequency electric field strength, greatly reduce humidity pair
The influence of power frequency electric field measurement, can provide for the monitoring, evaluation and control of AC input transformation engineering particularly power-frequency electric field strength
Important evidence.Presently filed embodiment can be applied to the monitoring of the power frequency electric field of AC input transformation engineering field from now on, environmental protection
In checking and accepting and studying, promotional value is high, and application prospect is wide.
The present invention is described by reference to a small amount of embodiment.However, it is known in those skilled in the art, as
What subsidiary Patent right requirement was limited, except the present invention other embodiments disclosed above equally fall the present invention's
In the range of.
Normally, all terms used in the claims are all solved according to them in the common meaning of technical field
It releases, unless in addition clearly being defined wherein.All references " one/described/be somebody's turn to do [device, component etc.] " are all opened ground
At least one example being construed in described device, component etc., unless otherwise expressly specified.Any method disclosed herein
Step need not all be run with disclosed accurate order, unless explicitly stated otherwise.
Claims (4)
1. it is a kind of for carrying out the system of multichannel power frequency electric field measurement under high humidity conditions, the system comprises：
At least 1 electric field measurement unit, the electric field measurement unit includes capacitance type sensor, measuring circuit and housing, described
Capacitance type sensor and the measuring circuit are installed in the housing of the closing, and liquid filling body insulating materials is simultaneously in the housing
It is solidified；The capacitance type sensor obtains for being measured simultaneously to the electric field component in orthogonal three directions
The electric field strength of measure field；The electric field measurement unit is supreme by the electric field strength data sending by wireless communication unit
Position machine；
The electric field strength data of at least 1 electric field measurement unit transmission described in the host computer reception are simultaneously shown；
Electric field strength data test result is uploaded to computer by the host computer, and computer carries out the electric field strength data
It stores and carries out real-time display.
2. system according to claim 1, the capacitance type sensor is for simultaneously to orthogonal three directions
Electric field component measures, and obtains three-dimensional electric field strength component.
3. system according to claim 1, the insulating materials is to become solid insulating materials from liquid.
4. system according to claim 1, the system comprises stent, at least 1 electric field measurement unit installation by described in
In on the stent；The stent is insulative water-proof material, and the support height can be adjusted.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721185357.7U CN207424114U (en) | 2017-09-15 | 2017-09-15 | A kind of system for progress multichannel power frequency electric field measurement under high humidity conditions |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721185357.7U CN207424114U (en) | 2017-09-15 | 2017-09-15 | A kind of system for progress multichannel power frequency electric field measurement under high humidity conditions |
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| Publication Number | Publication Date |
|---|---|
| CN207424114U true CN207424114U (en) | 2018-05-29 |
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| CN201721185357.7U Active CN207424114U (en) | 2017-09-15 | 2017-09-15 | A kind of system for progress multichannel power frequency electric field measurement under high humidity conditions |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107462777A (en) * | 2017-09-15 | 2017-12-12 | 中国电力科学研究院 | A kind of system and method for being used to carry out multichannel power frequency electric field measurement under high humidity conditions |
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2017
- 2017-09-15 CN CN201721185357.7U patent/CN207424114U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107462777A (en) * | 2017-09-15 | 2017-12-12 | 中国电力科学研究院 | A kind of system and method for being used to carry out multichannel power frequency electric field measurement under high humidity conditions |
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