CN209327561U - A kind of discharge source positioning device based on magnetic field radiofrequency signal - Google Patents
A kind of discharge source positioning device based on magnetic field radiofrequency signal Download PDFInfo
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- CN209327561U CN209327561U CN201821701806.3U CN201821701806U CN209327561U CN 209327561 U CN209327561 U CN 209327561U CN 201821701806 U CN201821701806 U CN 201821701806U CN 209327561 U CN209327561 U CN 209327561U
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- discharge source
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- 239000000463 material Substances 0.000 claims description 6
- 238000005070 sampling Methods 0.000 claims description 3
- 230000032683 aging Effects 0.000 abstract description 4
- 239000011810 insulating material Substances 0.000 abstract description 4
- 238000009413 insulation Methods 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000004807 localization Effects 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
Abstract
The utility model relates to discharge source field of locating technology in electric system more particularly to a kind of discharge source positioning devices based on magnetic field radiofrequency signal.The utility model includes signal processing and analysis device, and two groups of antennas are connected with signal processing and analysis device by coaxial cable, and coaxial cable is connected by the preformed hole on cabinet with the signal processing and analysis device that box house disposes after being connected with two groups of antennas；Signal processing and analysis device is equipped with display screen.The characteristics of the utility model has structure simple, and equipment is reasonable, is convenient for operation can effectively be positioned for discharge source, and find insulating materials aging position early, avoided insulation fault, avoided the interference to periphery electromagnetic environment.The working efficiency and security performance of electric operating can be significantly improved, while also having positioning accuracy high, the strong distinguishing feature of accuracy provides a kind of safe and reliable positioning device for electric system, is suitable in electric system promotion and application.
Description
Technical field
The utility model relates to discharge source field of locating technology in electric system, more particularly to a kind of magnetic field radio frequency that is based on to believe
Number discharge source positioning device.
Background technique
In the power system, shelf depreciation or spark discharge are the omens of insulating materials aging, failure generation, are discharged simultaneously
Generated high frequency radiation electromagnetic wave can also make communication equipment, the television broadcasting signal etc. near electric line, substation
At electromagnetic interference.Therefore, in order to find insulating materials aging position early, avoid insulation fault and avoid to electromagnetism ring around
The interference in border needs that the position of discharge source is accurately positioned.For the positioning of discharge source, using ultrasonic wave, hyperfrequency with
And the methods of ultraviolet imagery has been used, but is constrained to localization method, positioning accuracy is relatively low, it is also necessary to find a kind of effective
Positioning device.
In this regard, the utility model provides a kind of discharge source positioning device based on magnetic field radiofrequency signal, effectively to detect
Where the position of discharge source.
Summary of the invention
Place in view of the above-mentioned deficiencies in the prior art, the utility model proposes one kind to be based on magnetic field radiofrequency signal
Discharge source positioning device, its purpose is to can effectively be positioned for discharge source.
The technical scheme adopted by the utility model to solve the technical problem is as follows:
A kind of discharge source positioning device based on magnetic field radiofrequency signal, including signal processing and analysis device, two groups of antennas and letter
Number collection analysis device is connected by coaxial cable, coaxial cable be connected with two groups of antennas after by the preformed hole and case on cabinet
The signal processing and analysis device of body positioned inside is connected；Signal processing and analysis device is equipped with display screen.
The coaxial cable is equipped with four, is connected respectively with two groups of antennas, wherein two connect with an antenna, another two
Coaxial cable is connected with another antenna.
The length phase of the coaxial cable four, material is consistent, and dimensional discrepancy is less than 0.01m.
Being spaced between 0.5m-1m between two groups of antennas, two groups of antennas are the coil antenna directly handed over, for circle
Antenna or quadrant antenna.
The signal processing and analysis device is set there are four signal sampling channel, and carries simple mathematical computations function, including
Addition subtraction multiplication and division, trigonometric function calculate.
The cabinet is enclosed housing, is made of anti electromagnetic wave reflecting material.
The utility model have the following advantages that and the utility model has the advantages that
The characteristics of the utility model has structure simple, and equipment is reasonable, is convenient for operation can effectively carry out for discharge source
Positioning, and insulating materials aging position is found early, insulation fault is avoided, the interference to periphery electromagnetic environment is avoided.It can show
The working efficiency and security performance for improving electric operating are write, while also having positioning accuracy high, the strong distinguishing feature of accuracy is
Electric system provides a kind of safe and reliable positioning device, is suitable in electric system promotion and application.
Detailed description of the invention
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
Fig. 1 is the structural schematic diagram of the utility model.
In figure: antenna 1, coaxial cable 2, cabinet 3, signal processing and analysis device 4, as the result is shown screen 5.
Specific embodiment
The utility model is a kind of discharge source positioning device based on magnetic field radiofrequency signal, and as shown in FIG. 1, FIG. 1 is this realities
With novel structural schematic diagram figure.Utility model device includes two groups of antennas 1, coaxial cable 2, cabinet 3, signal processing and analysis
Device 4 and as the result is shown screen 5.
The utility model is to be connected by two groups of antennas 1 and signal processing and analysis device 4 by coaxial cable 2, coaxial cable 2 with
Two groups of antennas 1 are connected by the preformed hole on cabinet 3 with the signal processing and analysis device 4 of 3 positioned inside of cabinet after being connected；Signal
Collection analysis device 4 is equipped with display screen 5.
The coaxial cable 2 is equipped with four, is connected respectively with two groups of antennas 1, wherein two connect with an antenna 1, separately
Two coaxial cables 2 are connected with another antenna.The length phase of coaxial cable 2, material is consistent, and dimensional discrepancy is less than
0.01m。
Being spaced between 0.5m-1m between two groups of days 1, two groups of antennas 1 are the coil antenna directly handed over, and be can be
Round or quadrant antenna.
The signal processing and analysis device 4 is set there are four signal sampling channel, and carries simple mathematical computations function.Such as
Addition subtraction multiplication and division, trigonometric function calculating etc..
The cabinet 3 is enclosed housing, and is made of anti electromagnetic wave reflecting material.
A kind of discharge source positioning device based on magnetic field radiofrequency signal of the utility model, includes following step using operating process
It is rapid:
(1) antenna is directly handed over to dock the magnetic field signal that folding and unfolding power supply is radiated by two groups；
(2) magnetic field signal is input to signal processing and analysis device by coaxial cable；
(3) the direction of arrival information relative to two groups of antennas pair is calculated using following formula；
θ = tan-1(H1/H2)
Wherein, θ is direction of arrival information, H1With H2Respectively two received magnetic field signals of coil antenna institute.
(4) signal processing and analysis device obtains directional information by simple mathematical computations；Such as addition subtraction multiplication and division, trigonometric function
Calculate etc..
(5) position of discharge source can be obtained by the information of two groups of direction of arrival of intersection and in conjunction with site environment.
The straight friendship antenna forms one group of antenna pair for directly handing over shape to by two coil antennas；It is docked by this antenna
The magnetic field radiofrequency signal excited when folding and unfolding corona discharge；Magnetic field letter can be obtained to being connected with antenna by signal picker
Number information, and the direction of arrival information relative to antenna to position coordinates is calculated by formula.
In addition, using directly handing over as two groups antenna to receive letter to composition antenna sets, and by the same signal picker
Number, the information of two groups of direction of arrival can be thus obtained, the spatial positional information of two antenna sets is then recycled, passes through intersection
Two groups of direction of arrival information can obtain the spatial position of discharge source, and result is passed through the result on signal processing and analysis device
Screen is shown to show.
In the specific implementation, including following operating procedure S1 to S4, details are as follows for each step for the utility model:
S1 receives magnetic field signal caused by discharging by antenna sets；
Two groups of four signals are transmitted in the intracorporal signal processing and analysis device of case by S2 by coaxial cable；
S3 utilizes formula θ=tan by the program set before in signal processing and analysis device-1(H1/H2), it obtains
Two groups of discharge signal direction of arrival values relative to antenna spatial position；
S4 shows result by the screen as the result is shown on signal processing and analysis device.
Claims (6)
1. a kind of discharge source positioning device based on magnetic field radiofrequency signal, including signal processing and analysis device, it is characterized in that: two groups of days
Line (1) is connected with signal processing and analysis device (4) by coaxial cable (2), after coaxial cable (2) is connected with two groups of antennas (1)
It is connected by the preformed hole on cabinet (3) with the signal processing and analysis device (4) of cabinet (3) positioned inside；Signal processing and analysis
Device (4) is equipped with display screen (5).
2. a kind of discharge source positioning device based on magnetic field radiofrequency signal according to claim 1, it is characterized in that: described same
Shaft cable (2) is equipped with four, is connected respectively with two groups of antennas (1), wherein two connect with an antenna (1), another two coaxial
Cable (2) is connected with another antenna.
3. a kind of discharge source positioning device based on magnetic field radiofrequency signal according to claim 1, it is characterized in that: described same
The length phase that shaft cable is (2) four, material is consistent, and dimensional discrepancy is less than 0.01m.
4. a kind of discharge source positioning device based on magnetic field radiofrequency signal according to claim 1, it is characterized in that: described two
Being spaced between 0.5m-1m between group antenna (1), two groups of antennas (1) are the coil antenna directly handed over, for circular antenna or just
Square antenna.
5. a kind of discharge source positioning device based on magnetic field radiofrequency signal according to claim 1, it is characterized in that: the letter
Number collection analysis device (4) sets that there are four signal sampling channels, and carries simple mathematical computations function, including addition subtraction multiplication and division, three
Angle function calculates.
6. a kind of discharge source positioning device based on magnetic field radiofrequency signal according to claim 1, it is characterized in that: the case
Body (3) is enclosed housing, is made of anti electromagnetic wave reflecting material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821701806.3U CN209327561U (en) | 2018-10-19 | 2018-10-19 | A kind of discharge source positioning device based on magnetic field radiofrequency signal |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821701806.3U CN209327561U (en) | 2018-10-19 | 2018-10-19 | A kind of discharge source positioning device based on magnetic field radiofrequency signal |
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| Publication Number | Publication Date |
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| CN209327561U true CN209327561U (en) | 2019-08-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821701806.3U Active CN209327561U (en) | 2018-10-19 | 2018-10-19 | A kind of discharge source positioning device based on magnetic field radiofrequency signal |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109358314A (en) * | 2018-10-19 | 2019-02-19 | 国网辽宁省电力有限公司电力科学研究院 | A kind of discharge source positioning device and method based on magnetic field radiofrequency signal |
-
2018
- 2018-10-19 CN CN201821701806.3U patent/CN209327561U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109358314A (en) * | 2018-10-19 | 2019-02-19 | 国网辽宁省电力有限公司电力科学研究院 | A kind of discharge source positioning device and method based on magnetic field radiofrequency signal |
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