CN206223727U - The lossless telemetering equipment of overhead ground wire electromagnetism - Google Patents
The lossless telemetering equipment of overhead ground wire electromagnetism Download PDFInfo
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- CN206223727U CN206223727U CN201621282137.1U CN201621282137U CN206223727U CN 206223727 U CN206223727 U CN 206223727U CN 201621282137 U CN201621282137 U CN 201621282137U CN 206223727 U CN206223727 U CN 206223727U
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- detection device
- ground wire
- lightning
- lossless
- overhead ground
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Abstract
The utility model discloses a kind of lossless telemetering equipment of overhead ground wire electromagnetism, including detection device and processor, the detection device includes annular permanent magnets, multiple Hall sensors, photoelectric encoder, A/D digital analog converters and wireless launcher, lightning-arrest line passage is provided with the detection device, the annular permanent magnets and photoelectric encoder are fixed on the inwall of the lightning-arrest line passage, the multiple Hall sensor is fixed on the inwall of annular permanent magnets, the processor is provided with wireless receiver, the wireless receiver is connected by wireless signal with the wireless launcher.The lossless telemetering equipment of overhead ground wire electromagnetism of the present utility model, lightning conducter is detected using leakage method, and accuracy of detection is high, and detection speed is fast, drastically increases the detection efficiency of lightning conducter；Electric power overhaul personnel manually or automatically control detection device to be moved along lightning conducter on ground, realize the detection to overhead ground wire, it is no longer necessary to step on tower walking operation, significantly reduce operating risk.
Description
Technical field
The utility model is related to power circuit detection technique field, and in particular to a kind of lossless remote measurement of overhead ground wire electromagnetism
Device.
Background technology
500kV current conversion stations and transformer station take shelter from the thunder frequently with the lightning conducter being made up of aluminum-cladding stranded wire as it in power system
Device, it can effectively prevent direct lightning strike, make the electrical equipment in its protection domain from thunderbolt, it is ensured that 500kV current conversion stations
With the safe and stable operation of transformer station.It is in for a long time due to lightning conducter in the adverse circumstances exposed to the sun and rain and be struck by lightning, unavoidably
Ground produces the defects such as inside and outside fracture of wire, corrosion, abrasion, loose stock, deformation, is possible to that lightning conducter broken string can be caused to cause electricity when serious
Gas equipment ground is so as to damage equipment, or even causes human casualty accident.
At this stage, during overhead ground wire carries out an acceptance inspection, patrols and examines in power system, naked eyes are generally used
Observation is checked by telescope, camera, unmanned plane.Although these methods are simple, built on stilts keeping away can only be observed
The surface of thunder line is either with or without phenomenons such as fracture of wire, corrosion, abrasions, and human factor is very big, it is impossible to accurately holds and whether there is inside lightning conducter
The problems such as fracture, abrasion, corrosion, material change.In order to go through lightning conducter health status, electric power overhaul personnel usually use
Step on the mode of tower line walking, although this method can go through lightning conducter External Defect, still can not comprehensive assurance lightning conducter by
It is interior to be wasted time and energy to outer health status, also in the presence of great personal safety hidden danger.
Utility model content
The purpose of this utility model is to provide a kind of lossless telemetering equipment of overhead ground wire, using Magnetic Flux Leakage Inspecting method and nothing
The mode that line telemetry is combined, detects the defect of overhead ground wire in time, and orients damage position, so as to take effectively
Measure eliminates defect, it is ensured that the safety of electrical equipment, it is ensured that the safe and stable operation of power system.
To realize object above, the technical solution adopted in the utility model is：
A kind of lossless telemetering equipment of overhead ground wire electromagnetism, including on lightning conducter and can along lightning conducter walk spy
Survey device and can be with the processor of the detection device radio communication：
The detection device include annular permanent magnets, multiple Hall sensor, photoelectric encoder, A/D digital analog converters with
And wireless launcher, lightning-arrest line passage is provided with the detection device, the annular permanent magnets and photoelectric encoder are fixed on institute
The inwall of lightning-arrest line passage is stated, the multiple Hall sensor is fixed on the inwall of annular permanent magnets, the A/D digital analog converters
With the outside that wireless launcher is arranged on the detection device, the Hall sensor, the output end of photoelectric encoder and A/D numbers
Weighted-voltage D/A converter input is electrically connected, the input electrical connection of the output end and wireless launcher of the A/D digital analog converters；
The processor is provided with wireless receiver, and the wireless receiver is connected by wireless signal with the wireless launcher
Connect.
The detection device is additionally provided with the audible-visual annunciator electrically connected with Hall sensor.When Hall sensor is detected
When lightning conducter surface has stray field, acousto-optic is sent while further analyzing and judging specific defect type by processor
Alarm, reminds surface personnel to note.
The wireless launcher and wireless receiver are equipped with ZigBee communication module.ZigBee technology is a kind of low coverage
From, low complex degree, low-power consumption, low rate, the bidirectional wireless communication technology of low cost, it is highly suitable for the inspection to overhead ground wire
Survey.
The processor is the notebook for being arranged on ground.Operation is remotely controlled by mobile terminal, relative to fixed
Computer more facilitates.
The beneficial effects of the utility model are：
1st, lightning conducter is detected using leakage method, the defect outside lightning conducter can not only be detected, additionally it is possible to detect and keep away
Defect inside thunder line, its accuracy of detection is high, and detection speed is fast, drastically increases the detection efficiency of lightning conducter；
2nd, electric power overhaul personnel manually or automatically control detection device to be moved along lightning conducter on ground, to built on stilts lightning-arrest
Line is detected that electric power overhaul personnel no longer need to step on the lightning-arrest line defect of tower line walking lookup, significantly reduce operating risk.
Brief description of the drawings
Fig. 1 is the structural representation of the lossless telemetering equipment of overhead ground wire electromagnetism of the present utility model；
Description of reference numerals：1- detection devices；2- processors；3- lightning conducters；11- annular permanent magnets；12- hall sensings
Device；13- photoelectric encoders；14-A/D digital analog converters；15- wireless launchers；16- audible-visual annunciators；17- pull ropes；18- is slided
Wheel；21- wireless receivers.
Specific embodiment
Content of the present utility model is described in further details with reference to the accompanying drawings and detailed description.
Embodiment：
Refer to shown in Fig. 1, a kind of lossless telemetering equipment of overhead ground wire electromagnetism, including on lightning conducter 3 and can
The detection device 1 walked along lightning conducter 3 and the processor 2 that radio communication can be carried out with the detection device 1.
Wherein, the lightning-arrest line passage passed through for lightning conducter 3 is provided with detection device 1, cunning is provided with the left side of detection device 1
Wheel 18, pull rope 17 is provided with the bottom of detection device, and surface personnel drives detection device 1 along lightning-arrest by pull rope 17
Line 3 is moved.
Detection device 1 includes annular permanent magnets 11, multiple Hall sensors 12, photoelectric encoder 13, A/D digital analog converters
14 and wireless launcher 15, the annular permanent magnets 11 and photoelectric encoder 13 are fixed on the inwall of the lightning-arrest line passage,
The multiple Hall sensor 12 is fixed on the inwall of annular permanent magnets 11, the A/D digital analog converters 14 and wireless launcher
15 outsides for being located at detection device 1, the Hall sensor 11, the output end of photoelectric encoder 13 and A/D digital analog converters 14
Input is electrically connected, the input electrical connection of the output end and wireless launcher 15 of the A/D digital analog converters 14.
Detection device 1 is additionally provided with the audible-visual annunciator 16 electrically connected with Hall sensor 12.When Hall sensor 12 is examined
When measuring the surface of lightning conducter 3 and there is stray field, hair while further analysis judges specific defect type by processor 2
Go out sound and light alarm, remind surface personnel to note.
Wherein, processor 2 is arranged on ground, can be the computer of various models, for the ease of operating on the spot, the present embodiment
Operated using notebook, which is provided with wireless receiver 21, the wireless receiver 21 is used to receive the nothing of detection device 1
The wireless signal that line transmitter 15 sends.
The wireless launcher 15 and wireless receiver 21 are equipped with ZigBee communication module, because ZigBee communications have
Closely, the characteristics of low complex degree, low-power consumption, low rate, low cost, it is highly suitable for the detection to overhead ground wire.
During detection, surface personnel drives detection device 1 to be moved along lightning conducter 3 by certain speed using pull rope 17,
Photoelectric encoder 13 is used for the displacement of real time record detection device 1, and annular permanent magnets 11 are by the excitation of lightning conducter 3 to saturation shape
State, when 3 existing defects of lightning conducter, the Hall sensor 12 positioned at the near surface of lightning conducter 3 receives the leakage field on the surface of lightning conducter 3
, the electric signal that output is directly proportional to stray field size, while audible-visual annunciator 16 will send sound and light alarm, reminds ground work
Notice that the electric signal of Hall sensor 12 and the output of photoelectric encoder 13 is converted into number by A/D digital analog converters 14 as personnel
Word signal, is sent out in real time by wireless launcher 15, is received by the wireless receiver 21 of ground based processor 2, processor 2 pairs
The defects such as the fracture of wire of lightning conducter 3, corrosion, abrasion carry out signal characteristic abstraction and quantitative analysis, obtain lightning conducter 3 defective waveform,
The characteristic such as defect type and defects count, finally orients the defective locations and defect type of overhead ground wire.
The lossless telemetering equipment of overhead ground wire electromagnetism of the present utility model, lightning conducter is detected using leakage method, can not only
Detect the defect outside lightning conducter, additionally it is possible to detect the defect inside lightning conducter, its accuracy of detection is high, detection speed is fast,
Drastically increase the detection efficiency of lightning conducter；Electric power overhaul personnel manually or automatically control detection device edge to keep away on ground
Thunder line is moved, and overhead ground wire is detected, electric power overhaul personnel no longer need to step on the lightning-arrest line defect of tower line walking lookup, greatly
Reduce operating risk.
Above-listed detailed description is directed to illustrating for the utility model possible embodiments, and the embodiment is simultaneously not used to limitation
Protection domain of the present utility model, all equivalence enforcements or change without departing from carried out by the utility model are intended to be limited solely by this case
In protection domain.
Claims (4)
1. a kind of lossless telemetering equipment of overhead ground wire electromagnetism, it is characterised in that including on lightning conducter and can be along lightning-arrest
Line walking detection device and can be with the processor of the detection device radio communication：
The detection device includes annular permanent magnets, multiple Hall sensors, photoelectric encoder, A/D digital analog converters and nothing
Line transmitter, is provided with lightning-arrest line passage in the detection device, the annular permanent magnets and photoelectric encoder are fixed on described keeping away
The inwall of thunder line passage, the multiple Hall sensor is fixed on the inwall of annular permanent magnets, the A/D digital analog converters and nothing
Line transmitter is arranged on the outside of the detection device, and the Hall sensor, the output end of photoelectric encoder and A/D digital-to-analogues turn
Parallel operation input is electrically connected, the input electrical connection of the output end and wireless launcher of the A/D digital analog converters；
The processor is provided with wireless receiver, and the wireless receiver is connected by wireless signal with the wireless launcher.
2. the lossless telemetering equipment of overhead ground wire electromagnetism according to claim 1, it is characterised in that the detection device is also
It is provided with the audible-visual annunciator electrically connected with Hall sensor.
3. the lossless telemetering equipment of overhead ground wire electromagnetism according to claim 1 and 2, it is characterised in that the wireless hair
Emitter and wireless receiver are equipped with ZigBee communication module.
4. the lossless telemetering equipment of overhead ground wire electromagnetism according to claim 3, it is characterised in that the processor is to set
Put the notebook on ground.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621282137.1U CN206223727U (en) | 2016-11-25 | 2016-11-25 | The lossless telemetering equipment of overhead ground wire electromagnetism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621282137.1U CN206223727U (en) | 2016-11-25 | 2016-11-25 | The lossless telemetering equipment of overhead ground wire electromagnetism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206223727U true CN206223727U (en) | 2017-06-06 |
Family
ID=58787296
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621282137.1U Active CN206223727U (en) | 2016-11-25 | 2016-11-25 | The lossless telemetering equipment of overhead ground wire electromagnetism |
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| CN (1) | CN206223727U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107380420A (en) * | 2017-08-23 | 2017-11-24 | 南京市特种设备安全监督检验研究院 | A kind of vibrative mechanism detection means and method based on unmanned plane mechanical arm |
| CN111082530A (en) * | 2020-01-03 | 2020-04-28 | 国家电网有限公司 | Lightning conductor equipment abnormity alarm method based on Internet of things |
| CN112730600A (en) * | 2020-12-31 | 2021-04-30 | 杭州市特种设备检测研究院 | Electromagnetic sensor for detecting defects of traction steel belt and detection method |
-
2016
- 2016-11-25 CN CN201621282137.1U patent/CN206223727U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107380420A (en) * | 2017-08-23 | 2017-11-24 | 南京市特种设备安全监督检验研究院 | A kind of vibrative mechanism detection means and method based on unmanned plane mechanical arm |
| CN111082530A (en) * | 2020-01-03 | 2020-04-28 | 国家电网有限公司 | Lightning conductor equipment abnormity alarm method based on Internet of things |
| CN112730600A (en) * | 2020-12-31 | 2021-04-30 | 杭州市特种设备检测研究院 | Electromagnetic sensor for detecting defects of traction steel belt and detection method |
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