CN108761294A - The positioning device and positioning unmanned plane of corona discharge - Google Patents
The positioning device and positioning unmanned plane of corona discharge Download PDFInfo
- Publication number
- CN108761294A CN108761294A CN201810934183.2A CN201810934183A CN108761294A CN 108761294 A CN108761294 A CN 108761294A CN 201810934183 A CN201810934183 A CN 201810934183A CN 108761294 A CN108761294 A CN 108761294A
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- Prior art keywords
- corona discharge
- positioning device
- pulse signal
- electromagnetic pulse
- aerial coil
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
- G01R31/1227—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials
- G01R31/1263—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials of solid or fluid materials, e.g. insulation films, bulk material; of semiconductors or LV electronic components or parts; of cable, line or wire insulation
- G01R31/1272—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials of solid or fluid materials, e.g. insulation films, bulk material; of semiconductors or LV electronic components or parts; of cable, line or wire insulation of cable, line or wire insulation, e.g. using partial discharge measurements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C39/00—Aircraft not otherwise provided for
- B64C39/02—Aircraft not otherwise provided for characterised by special use
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Testing Relating To Insulation (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Abstract
The present invention provides the positioning device of corona discharge and positioning unmanned planes, it is related to Operation of Electric Systems monitoring and measurement technology field, including Array Antenna sensor, switch switching circuit and the processor being sequentially connected, Array Antenna sensor includes multiple aerial coils arranged at equal interval；Array Antenna sensor, the electromagnetic pulse signal for detecting corona discharge generation；Switch switching circuit carries out matching record for the serial number by cyclic switching aerial coil to the electromagnetic pulse signal of varying strength；Processor for being amplified and analyzing to electromagnetic pulse signal, and combines the serial number of aerial coil to determine corona discharge position on transmission line of electricity.The present invention can improve the location efficiency and accuracy to transmission line of electricity corona discharge position.
Description
Technical field
The present invention relates to Operation of Electric Systems monitoring and measurement technology fields, more particularly, to the positioning device of corona discharge
And positioning unmanned plane.
Background technology
Corona discharge is to cause air ionization and the electric discharge phenomena that occur since the electric field strength of conductive line surfaces is very high.Electricity
Corona generates high-frequency pulse current, causes electromagnetic interference to radio communication, can also air be made to chemically react, to solid
Medium and metal electrode cause to damage or corrode, and accelerate composite insulator aging, also will produce energy loss etc..
Corona discharge is the emphasis of electric system concern.Corona discharge is solved, matter of utmost importance is just to determine corona discharge
Happening part.
Invention content
In view of this, the purpose of the present invention is to provide the positioning device of corona discharge and positioning unmanned planes, with raising pair
The location efficiency and accuracy of transmission line of electricity corona discharge position.
In a first aspect, an embodiment of the present invention provides a kind of positioning devices of corona discharge, wherein including what is be sequentially connected
Array Antenna sensor, switch switching circuit and processor, the Array Antenna sensor include multiple arranged at equal intervals
Aerial coil；
The Array Antenna sensor, the electromagnetic pulse signal for detecting corona discharge generation；
The switch switching circuit, for the serial number by aerial coil described in cyclic switching, described in varying strength
Electromagnetic pulse signal carries out matching record；
The processor, for the electromagnetic pulse signal to be amplified and analyzed, and in conjunction with the aerial coil
Serial number determines corona discharge position on transmission line of electricity.
With reference to first aspect, an embodiment of the present invention provides the first possible embodiments of first aspect, wherein institute
It includes preamplifier and signal processing circuit to state processor, the signal processing circuit by the preamplifier with it is described
Switch switching circuit is connected；
The preamplifier obtains enhancing electromagnetic pulse signal for the electromagnetic pulse signal to be amplified；
The signal processing circuit, for the different enhancing electromagnetic pulse signals to be compared analysis, according to letter
Number intensity and the serial number of the aerial coil determine the corona discharge position.
With reference to first aspect, an embodiment of the present invention provides second of possible embodiments of first aspect, wherein institute
It further includes arcuate structure to state Array Antenna sensor；
It is provided with multiple aerial coils along the cambered surface appearance of the arcuate structure is equally spaced.
Second of possible embodiment with reference to first aspect, an embodiment of the present invention provides the third of first aspect
Possible embodiment, wherein each aerial coil is each perpendicular to the arcuate structure.
Second of possible embodiment with reference to first aspect, an embodiment of the present invention provides the 4th kind of first aspect
Possible embodiment, wherein the aerial coil is helical structure.
With reference to first aspect, an embodiment of the present invention provides the 5th kind of possible embodiments of first aspect, wherein institute
The quantity for stating aerial coil is at least four.
Second of possible embodiment with reference to first aspect, an embodiment of the present invention provides the 6th kind of first aspect
Possible embodiment, wherein further include the camera being set to above the arcuate structure.
With reference to first aspect, an embodiment of the present invention provides the 7th kind of possible embodiments of first aspect, wherein also
It include the microcontroller being connected with the switch switching circuit；
The microcontroller carries out switching for controlling the switch switching circuit.
Second aspect, the embodiment of the present invention also provide a kind of positioning unmanned plane of corona discharge, wherein including as above any
The positioning device of corona discharge described in, and the positioning device of the corona discharge is loaded on unmanned plane.
The embodiment of the present invention brings following advantageous effect：
The positioning device and positioning unmanned plane of corona discharge provided by the invention, including the Array Antenna being sequentially connected pass
Sensor, switch switching circuit and processor, Array Antenna sensor include multiple aerial coils arranged at equal interval；Array
Antenna sensor, the electromagnetic pulse signal for detecting corona discharge generation；Switch switching circuit, for passing through cyclic switching day
The serial number of line coil carries out matching record to the electromagnetic pulse signal of varying strength；Processor, for electromagnetic pulse signal into
Row amplification and analysis, and the serial number of aerial coil is combined to determine corona discharge position on transmission line of electricity.The present invention can improve pair
The location efficiency and accuracy of transmission line of electricity corona discharge position.
Other features and advantages of the present invention will illustrate in the following description, also, partly become from specification
It obtains it is clear that understand through the implementation of the invention.The purpose of the present invention and other advantages are in specification, claims
And specifically noted structure is realized and is obtained in attached drawing.
To enable the above objects, features and advantages of the present invention to be clearer and more comprehensible, preferred embodiment cited below particularly, and coordinate
Appended attached drawing, is described in detail below.
Description of the drawings
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, in being described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, other drawings may also be obtained based on these drawings.
Fig. 1 is the positioning device schematic diagram of corona discharge provided in an embodiment of the present invention；
Fig. 2 is the positioning device structure figure of corona discharge provided in an embodiment of the present invention；
Fig. 3 is the structural schematic diagram of aerial coil provided in an embodiment of the present invention；
Fig. 4 is the structural schematic diagram of switch switching circuit provided in an embodiment of the present invention.
Icon：
100- Array Antenna sensors；110- aerial coils；120- arcuate structures；200- switch switching circuits；300-
Processor；310- preamplifiers；320- signal processing circuits；400- cameras.
Specific implementation mode
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with attached drawing to the present invention
Technical solution be clearly and completely described, it is clear that described embodiments are some of the embodiments of the present invention, rather than
Whole embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Lower obtained every other embodiment, shall fall within the protection scope of the present invention.
Corona discharge is to cause air ionization and the electric discharge phenomena that occur since the electric field strength of conductive line surfaces is very high.Electricity
Corona generates high-frequency pulse current, causes electromagnetic interference to radio communication, can also air be made to chemically react, to solid
Medium and metal electrode cause to damage or corrode, and accelerate composite insulator aging, also will produce energy loss etc..Corona discharge
It is the emphasis of electric system concern.Corona discharge is solved, matter of utmost importance is just to determine the happening part of corona discharge.
In corona discharge process, the pulse electromagnetic wave of radio frequency is will produce, the frequency range of the electromagnetic wave substantially exists
Between 230MHz-280MHz, circle is remoter offline for target area, radio-frequency electromagnetic wave attenuation it is faster, and corona discharge is sent out
Electromagnetic pulse signal to all the winds radiates, and electromagnetic wave direction is with antenna angle of intersection closer to orthogonal, received signal
It is stronger.
Based on this, the positioning device and positioning unmanned plane of corona discharge provided in an embodiment of the present invention utilize constant power
In the case of aerial coil receive electromagnetic pulse signal as strong as possible, can improve and transmission line of electricity corona discharge occurred
The location efficiency and positioning accuracy at position.
For ease of understanding the present embodiment, the positioning device first to the corona discharge disclosed in the embodiment of the present invention
It describes in detail.
Embodiment：
Referring to Fig.1, the positioning device of corona discharge includes the Array Antenna sensor 100 being sequentially connected, switching
Circuit 200 and processor 300.
With reference to Fig. 2, Array Antenna sensor 100 includes arcuate structure 120 and is disposed on arcuate structure 120 multiple
Aerial coil 110 arranged at equal interval.Specifically, along the equally spaced setting of cambered surface appearance all directions of arcuate structure 120
There is mutiple antennas coil 110.The direction of each aerial coil 110 is each perpendicular to arcuate structure 120.
Moreover, as shown in figure 3, aerial coil 110 is helical structure；Because helical antenna characteristic impedance is gentle, circular polarisation is special
Property good, end-fire and side penetrate the electric property of superior performance, therefore helical antenna is used to receive electromagnetic pulse signal.
Here the quantity of aerial coil 110 is at least four.
In addition, the positioning device of corona discharge further includes being set to the camera 400 of 120 top of arcuate structure.
Further, the positioning unmanned plane of corona discharge includes the positioning device and unmanned plane of corona discharge, and corona is put
The positioning device of electricity is loaded on unmanned plane.
The positioning device of corona discharge and the course of work for positioning unmanned plane are as follows.
The positioning device that unmanned plane carries corona discharge flies to overhead, staff by camera 400 in ground observation,
Unmanned plane is set to hover to transmission line of electricity.It corona discharge position can be to all directions electromagnetic radiation pulse signal, electromagnetic pulse
The signal strength of signal decays with the increase of propagation distance, in turn, is examined to it using the positioning device of corona discharge
It surveys, analysis, determines the corona discharge position on transmission line of electricity.
Array Antenna sensor 100, the electromagnetic pulse signal for detecting corona discharge generation.
Specifically, Array Antenna sensor 100 includes at least four aerial coil 110 of all directions, it is able to detect that
The electromagnetic pulse signal of surrounding all directions, varying strength.Here it is possible to after detecting electromagnetic pulse signal, then control nothing
Man-machine hovering.
Switch switching circuit 200, for the serial number by cyclic switching aerial coil 110, to the electromagnetism arteries and veins of varying strength
It rushes signal and carries out matching record.
Specifically, switch switching circuit 200 is as shown in figure 4, its switch is closed with aerial coil 110 for one-to-one connection
System.Switch switching circuit 200 is connected with microcontroller；Microcontroller carries out switching for controlling switch switching circuit 200.Switch
Switching circuit 200 connects each aerial coil 110 by the serial number of cyclic switching aerial coil 110, to each aerial coil
110 electromagnetic pulse signals detected carry out matching record, to the serial number of aerial coil 110 and the electromagnetism arteries and veins of varying strength
It rushes between signal and is mutually matched；By comparing the intensity of the electromagnetic pulse signal of each aerial coil 110, until obtaining strongest
Electromagnetic pulse signal, and record the serial number of corresponding aerial coil 110.
Processor 300 for being amplified and analyzing to electromagnetic pulse signal, and combines the serial number of aerial coil 110 true
Determine corona discharge position on transmission line of electricity.
Specifically, processor 300 includes preamplifier 310 and signal processing circuit 320, signal processing circuit 320 is logical
Preamplifier 310 is crossed with switch switching circuit 200 to be connected.
Preamplifier 310 obtains enhancing electromagnetic pulse signal for electromagnetic pulse signal to be amplified.At signal
Circuit 320 is managed, for different enhancing electromagnetic pulse signals to be compared analysis, according to signal strength and aerial coil 110
Serial number determine the corona discharge position.
In all examples being illustrated and described herein, any occurrence should be construed as merely illustrative, without
It is as limitation, therefore, other examples of exemplary embodiment can have different values.
The embodiment of the present invention brings following advantageous effect：
The positioning device and positioning unmanned plane of corona discharge provided by the invention, including the Array Antenna being sequentially connected pass
Sensor, switch switching circuit and processor, Array Antenna sensor include multiple aerial coils arranged at equal interval；Array
Antenna sensor, the electromagnetic pulse signal for detecting corona discharge generation；Switch switching circuit, for passing through cyclic switching day
The serial number of line coil carries out matching record to the electromagnetic pulse signal of varying strength；Processor, for electromagnetic pulse signal into
Row amplification and analysis, and the serial number of aerial coil is combined to determine corona discharge position on transmission line of electricity.The present invention can improve pair
The location efficiency and accuracy of transmission line of electricity corona discharge position.
In the description of the embodiment of the present invention unless specifically defined or limited otherwise, term " installation ", " connects " connected "
Connect " it shall be understood in a broad sense, for example, it may be being fixedly connected, it may be a detachable connection, or be integrally connected；It can be machine
Tool connects, and can also be electrical connection；It can be directly connected, can also can be indirectly connected through an intermediary two members
Connection inside part.For the ordinary skill in the art, it can understand above-mentioned term in the present invention with concrete condition
Concrete meaning.
In the description of the present invention, it should be noted that term "center", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for the description present invention and simplify description, do not indicate or imply the indicated device or element must have a particular orientation,
With specific azimuth configuration and operation, therefore it is not considered as limiting the invention.In addition, term " first ", " second ",
" third " is used for description purposes only, and is not understood to indicate or imply relative importance.
In several embodiments provided herein, it should be understood that disclosed systems, devices and methods, it can be with
It realizes by another way.The apparatus embodiments described above are merely exemplary, for example, the division of the unit,
Only a kind of division of logic function, formula that in actual implementation, there may be another division manner, in another example, multiple units or component can
To combine or be desirably integrated into another system, or some features can be ignored or not executed.Another point, it is shown or beg for
The mutual coupling, direct-coupling or communication connection of opinion can be by some communication interfaces, device or unit it is indirect
Coupling or communication connection can be electrical, machinery or other forms.
The unit illustrated as separating component may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, you can be located at a place, or may be distributed over multiple
In network element.Some or all of unit therein can be selected according to the actual needs to realize the mesh of this embodiment scheme
's.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, it can also
It is that each unit physically exists alone, it can also be during two or more units be integrated in one unit.
It, can be with if the function is realized in the form of SFU software functional unit and when sold or used as an independent product
It is stored in the executable non-volatile computer read/write memory medium of a processor.Based on this understanding, of the invention
Technical solution substantially the part of the part that contributes to existing technology or the technical solution can be with software in other words
The form of product embodies, which is stored in a storage medium, including some instructions use so that
One computer equipment (can be personal computer, server or the network equipment etc.) executes each embodiment institute of the present invention
State all or part of step of method.And storage medium above-mentioned includes：USB flash disk, mobile hard disk, read-only memory (ROM, Read-
Only Memory), random access memory (RAM, Random Access Memory), magnetic disc or CD etc. are various can be with
Store the medium of program code.
Finally it should be noted that：Embodiment described above, only specific implementation mode of the invention, to illustrate the present invention
Technical solution, rather than its limitations, scope of protection of the present invention is not limited thereto, although with reference to the foregoing embodiments to this hair
It is bright to be described in detail, it will be understood by those of ordinary skill in the art that：Any one skilled in the art
In the technical scope disclosed by the present invention, it can still modify to the technical solution recorded in previous embodiment or can be light
It is readily conceivable that variation or equivalent replacement of some of the technical features；And these modifications, variation or replacement, do not make
The essence of corresponding technical solution is detached from the spirit and scope of technical solution of the embodiment of the present invention, should all cover the protection in the present invention
Within the scope of.Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (9)
1. a kind of positioning device of corona discharge, which is characterized in that Array Antenna sensor, switch including being sequentially connected are cut
Circuit and processor are changed, the Array Antenna sensor includes multiple aerial coils arranged at equal interval；
The Array Antenna sensor, the electromagnetic pulse signal for detecting corona discharge generation；
The switch switching circuit, for the serial number by aerial coil described in cyclic switching, to the electromagnetism of varying strength
Pulse signal carries out matching record；
The processor, for the electromagnetic pulse signal to be amplified and analyzed, and in conjunction with the serial number of the aerial coil
Determine corona discharge position on transmission line of electricity.
2. the positioning device of corona discharge according to claim 1, which is characterized in that the processor includes preposition amplification
Device and signal processing circuit, the signal processing circuit are connected by the preamplifier with the switch switching circuit；
The preamplifier obtains enhancing electromagnetic pulse signal for the electromagnetic pulse signal to be amplified；
The signal processing circuit is strong according to signal for the different enhancing electromagnetic pulse signals to be compared analysis
The serial number of degree and the aerial coil determines the corona discharge position.
3. the positioning device of corona discharge according to claim 1, which is characterized in that the Array Antenna sensor is also
Including arcuate structure；
It is provided with multiple aerial coils along the cambered surface appearance of the arcuate structure is equally spaced.
4. the positioning device of corona discharge according to claim 3, which is characterized in that each aerial coil is vertical
In the arcuate structure.
5. the positioning device of corona discharge according to claim 3, which is characterized in that the aerial coil is spiral knot
Structure.
6. the positioning device of corona discharge according to claim 1, which is characterized in that the quantity of the aerial coil is at least
It is four.
7. the positioning device of corona discharge according to claim 3, which is characterized in that further include being set to the arc knot
Camera above structure.
8. the positioning device of corona discharge according to claim 1, which is characterized in that further include and switching electricity
The connected microcontroller in road；
The microcontroller carries out switching for controlling the switch switching circuit.
9. a kind of positioning unmanned plane of corona discharge, which is characterized in that including such as claim 1~8 any one of them corona
The positioning device of electric discharge, and the positioning device of the corona discharge is loaded on unmanned plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810934183.2A CN108761294B (en) | 2018-08-15 | 2018-08-15 | Corona discharge positioning device and positioning unmanned aerial vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810934183.2A CN108761294B (en) | 2018-08-15 | 2018-08-15 | Corona discharge positioning device and positioning unmanned aerial vehicle |
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| Publication Number | Publication Date |
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| CN108761294A true CN108761294A (en) | 2018-11-06 |
| CN108761294B CN108761294B (en) | 2023-08-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810934183.2A Active CN108761294B (en) | 2018-08-15 | 2018-08-15 | Corona discharge positioning device and positioning unmanned aerial vehicle |
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Cited By (2)
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| CN110058061A (en) * | 2019-05-30 | 2019-07-26 | 广东电网有限责任公司 | A kind of shell for UAV flight's antenna detection device |
| CN110082657A (en) * | 2019-05-30 | 2019-08-02 | 广东电网有限责任公司 | A kind of UAV system array-type sensor that can position corona discharge |
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| Publication number | Publication date |
|---|---|
| CN108761294B (en) | 2023-08-01 |
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