CN207601225U - A kind of device using gap discharge acquisition electromagnetic wave - Google Patents
A kind of device using gap discharge acquisition electromagnetic wave Download PDFInfo
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- CN207601225U CN207601225U CN201721054661.8U CN201721054661U CN207601225U CN 207601225 U CN207601225 U CN 207601225U CN 201721054661 U CN201721054661 U CN 201721054661U CN 207601225 U CN207601225 U CN 207601225U
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- contact pilotage
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- gap discharge
- frequency amplifier
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- 238000001514 detection method Methods 0.000 claims abstract description 27
- 239000012212 insulator Substances 0.000 claims abstract description 24
- 239000000523 sample Substances 0.000 claims abstract description 21
- 239000007921 spray Substances 0.000 claims abstract description 21
- 238000007599 discharging Methods 0.000 claims abstract description 13
- 230000005540 biological transmission Effects 0.000 claims description 17
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 7
- 230000000694 effects Effects 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 3
- 230000000903 blocking effect Effects 0.000 claims 1
- 230000003321 amplification Effects 0.000 abstract description 3
- 238000003199 nucleic acid amplification method Methods 0.000 abstract description 3
- 238000009413 insulation Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000007717 exclusion Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
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Abstract
The utility model discloses a kind of device using gap discharge acquisition electromagnetic wave, including detection probe, reception antenna, input circuit, frequency changer circuit, intermediate frequency amplifier, wave detector, audio-frequency amplifier and power amplifier;Detection probe includes observation chamber, and observation intracavitary is provided with spray point, and spray point gap discharge generates electromagnetic interference signal under hyperbaric environment, and reception antenna is used to receive the electromagnetic interference signal of discharging gap generation;Reception antenna is connect with input circuit, and input circuit is connect with frequency changer circuit, and frequency changer circuit is connect with intermediate frequency amplifier, and intermediate frequency amplifier is connect with wave detector, and wave detector is connect with audio-frequency amplifier, and audio-frequency amplifier is connect with power amplifier.The utility model, because electromagnetic interference is along with gap discharge while is generated, so detecting electromagnetic interference, is capable of detecting when zero resistance insulator by the electromagnetic interference signal during acquiring discharging gap and amplification.
Description
Technical field
The utility model is related to power grid detection technique field more particularly to a kind of dresses using gap discharge acquisition electromagnetic wave
It puts.
Background technology
Insulator is chiefly used on ultra-high-tension power transmission line wire pole tower, for insulating and increasing creepage distance, in overhead power transmission
It plays an important role in circuit.Insulator is insulated due to environmental change reduces failure, becomes invisible defect, threatens operation of power networks
Safety.And traditional method is time-consuming and laborious using artificial detection insulator.With the development of unmanned air vehicle technique, also some producers at present
And R&D institution develops the UAV system for being applied to transmission line of electricity, most of is all to patrolling transmission line, is gone back
It can not carry out detecting zero resistance insulator, traditional zero resistance insulator testing cost is high.
In conventional zero resistance insulator detection process, the acquisition solution of sound that discharging gap generates is limited by
The interference of environmental noise, such as the sound of unmanned plane during flying rotor.The application is not using traditional sound collection way, by dividing
Analysis acquires the electromagnetic interference signal during discharging gap using radio receiver signal record principle.
Utility model content
The purpose of the utility model is to overcome the deficiencies in the prior art, provide a kind of utilization gap discharge and acquire electromagnetic wave
Device, by acquiring electromagnetic interference signal and amplification during discharging gap, achieved the purpose that judge zero resistance insulator.
The purpose of this utility model is achieved through the following technical solutions:It is a kind of to acquire electromagnetic wave using gap discharge
Device, including:Detection probe, reception antenna, input circuit, frequency changer circuit, intermediate frequency amplifier, wave detector, audio-frequency amplifier
And power amplifier;The detection probe includes observation chamber, observation intracavitary is provided with spray point, the spray point under hyperbaric environment
Gap discharge generates electromagnetic interference signal, and the reception antenna is used to receive the electromagnetic interference signal of discharging gap generation;Institute
The reception antenna and the input terminal of input circuit stated connect, and the output terminal of input circuit and the input terminal of frequency changer circuit connect, and become
The output terminal of frequency circuit and the input terminal of intermediate frequency amplifier connect, and the output terminal of intermediate frequency amplifier and the input terminal of wave detector connect
Connect, the input terminal of the output terminal of wave detector and audio-frequency amplifier connects, the output terminal of audio-frequency amplifier and power amplifier it is defeated
Enter end connection.
The detection probe includes:Pedestal, rotating disk, first gear and spy contact pilotage;The spy contact pilotage is on the rotating pan;
The rotating disk is connect with first gear, and first gear is connect with transmission device, under the gearing of transmission device, rotating disk
And the spy contact pilotage of setting on the rotating pan being capable of 360 degree rotation;The spray point electrically connects in chamber is observed and with visiting contact pilotage
It connects.
The transmission device includes motor, and motor is connected with second gear.
The motor includes Telescopic motor and spinfunction motor, and the front and rear shifting of contact pilotage is visited in the control of Telescopic motor
Dynamic, the adjustment of spinfunction motor visits contact pilotage and visits feeler degree.
It in above technical scheme, further includes and visits contact pilotage and insulating bar, visit contact pilotage and be located in detection probe, insulating bar and inspection
Probing head connects.
The spy contact pilotage includes rear end part and fore-end, and the fore-end is in class U-shaped;When in use when
When the fore-end of the spy contact pilotage blocks insulator, top clamping insulator is received automatically by the effect of contact force.
The insulating bar is hollow insulating bar, and the second insulating bar is nested in hollow insulating bar;In the connector of insulating bar
Place is provided with second gear, and second gear is engaged with first gear, for first gear to be driven to rotate.
The beneficial effects of the utility model are:
(1)The utility model utilizes radio antenna signal record principle, acquires gap discharge process under hyperbaric environment
In electromagnetic interference signal, and pass through frequency conversion, intermediate frequency amplification, detection and enhanced processing, done in back-end realization by detecting electromagnetism
Signal is disturbed to judge zero resistance insulator, can substitute and traditional doing for gap discharge sound directly be acquired using sound transducer
Method;
(2)The utility model detection sensitivity is high, easy to use, portable;
(3)The detection probe of the utility model can be with 360 degree rotation, in transmission line of electricity, and a large amount of insulator presentation is not advised
Then position, angular distribution can meet different test environments by the rotation of detection probe, unmanned plane avoided to do in the detection
Compound action reduces technical difficulty, improves practicability.
Description of the drawings
Fig. 1 is the circuit structure block diagram of the utility model.
Fig. 2 is the detection probe structure diagram of the utility model.
In figure, 100- visits contact pilotage, and 101- visits the fore-end of contact pilotage, and 102- visits the rear end part of contact pilotage, the first teeth of 411-
Wheel, 202- second gears, 301- swivel bearings, 111- observation chambers, the first spray points of 211-, the second spray points of 212-, 311- the
One conducting wire, the second conducting wires of 312-, 412- privates, 511- first visit stylus contact point, and 512- second visits stylus contact point,
611- thirds visit stylus contact point, and 612- the 4th visits stylus contact point, 711- privates, 811- shafts, 911- cover boards, 912-
Rotating disk, 100A- first visit contact pilotage, and 100B- second visits contact pilotage.
Specific embodiment
The technical solution of the utility model, but the scope of protection of the utility model are described in further detail below in conjunction with the accompanying drawings
It is not limited to as described below.
Embodiment one
As shown in Figure 1, a kind of device using gap discharge acquisition electromagnetic wave, including:It is detection probe, reception antenna, defeated
Enter circuit, frequency changer circuit, intermediate frequency amplifier, wave detector, audio-frequency amplifier and power amplifier;The detection probe includes observation
Chamber 111 is provided with spray point in observation chamber 111, and spray point gap discharge generates electromagnetic interference signal, institute under hyperbaric environment
The reception antenna stated is used to receive the electromagnetic interference signal of discharging gap generation;The input of the reception antenna and input circuit
The input terminal of end connection, the output terminal of input circuit and frequency changer circuit connects, the output terminal of frequency changer circuit and intermediate frequency amplifier
Input terminal connects, and the output terminal of intermediate frequency amplifier and the input terminal of wave detector connect, the output terminal and audio-frequency amplifier of wave detector
Input terminal connection, the input terminal of the output terminal of audio-frequency amplifier and power amplifier connects.
The detection probe includes:Pedestal, rotating disk 912, first gear 411 and spy contact pilotage;The spy contact pilotage is revolving
On turntable 912;The rotating disk 912 is connect with first gear 411, and first gear 411 is connect with transmission device, in transmission device
Gearing under, rotating disk 912 and the spy contact pilotage being arranged in rotating disk 912 being capable of 360 degree rotations;The spray point
In chamber 111 is observed, and with visiting contact pilotage electrical connection.
The transmission device includes motor, and motor and second gear 202 connect.
The motor includes Telescopic motor and spinfunction motor, and the front and rear shifting of contact pilotage is visited in the control of Telescopic motor
Dynamic, the adjustment of spinfunction motor visits contact pilotage and visits feeler degree.
It in above technical scheme, further includes and visits contact pilotage and insulating bar, visit contact pilotage and be located in detection probe, insulating bar and inspection
Probing head connects.
The spy contact pilotage includes rear end part 102 and fore-end 101, rear end part 102 and fore-end 101, institute
The fore-end 101 stated is in class U-shaped;When in use when the fore-end 101 of the spy contact pilotage blocks insulator, by contact
Top clamping insulator is received in the effect of power automatically.
The insulating bar is hollow insulating bar, in hollow insulating bar, nested second insulating bar;In the connector of insulating bar
Place is provided with second gear 202, and second gear 202 is engaged with first gear 411, for first gear 411 to be driven to rotate.
In the present embodiment, 401 junction portion of detection probe and insulating bar, the detection probe include pedestal and rotating disk
912, pedestal and 401 bars of insulation are reliably connected and fix, and discharging gap and observation chamber 111 are mounted on pedestal and consolidate there are one metal
Dead axle, in rotating disk 912 and gear mounting shaft and rotatable, rotary shaft is fixed with first gear 411 and is rotated together, first gear
411 are used as transmission gear, are engaged with the second gear 202 on loop bar in insulating bar, and second gear 202 is used as drive gear.Rotation
912 front of turntable, which is equipped with, visits contact pilotage 100, and visit contact pilotage 100 has reliable electric to connect with the discharging gap on pedestal, it is ensured that visits and touches
When needle 100 obtains voltage, the electric discharge needle-discharging on discharging gap, when to isolator detecting, unmanned plane chooses position to be measured,
The angle of detection needle 100 is adjusted, insulating bar stretches forward, pushes probe to insulator and will visit on contact pilotage 100 and insulator
Lower both ends metal portion tap is real, and the insulator at this moment to discharge is normal insulation.In the present embodiment, in insulating bar again
Piece insulating bar of inner sleeve, i.e. the first insulating bar, the first insulating bar are hollow insulating bar.Why the present invention is in hollow insulating bar
Interior, nested second insulating bar is to connect transmission device, such as motor in one end of the second insulating bar.Meanwhile the transmission fills
It puts and is connect with second gear 411, a micromachine is set, the transmission device of the second insulating bar of driving drives second gear 411
Rotation rotating disk 912 to be driven to rotate or stretch, provides and visits contact pilotage rotation or flexible required power.Using mechanical gear
When driving rotating disk 912, further include and be provided with chain, use micromachine(Including electric rotating machine and telescope motor)Driving
During rotating disk 912, it is additionally provided with corresponding battery.Those skilled in the art, it is also an option that the motion control of unmanned machine equipment
Driving interface driving second gear 411 etc..
In the present embodiment, as shown in Fig. 2, spray point(First spray point 211, the second spray point 212)With visiting contact pilotage 100
(First visits contact pilotage 100A, and second visits contact pilotage 100B)Electrical connection, can be designed as copper conductor connection.The setting position of copper conductor
It puts and is determined with form according to the needs of actual device, if for example, carrying out insulator survey using UAV flight's the utility model
Examination, then have strict requirements to the weight of device.First, which visits contact pilotage 100A, is included there are two connection end point, wherein, the first connection
Endpoint is connected to the first of rotating disk 912 and visits stylus contact point 511, and second connection end point is connected to the second spy of rotating disk 912
Stylus contact point 512;Second, which visits contact pilotage 100B, is included there are two connection end point, wherein, the first connection end point is connected to rotating disk
912 third visits stylus contact point 611, and second connection end point is connected to the 4th spy stylus contact point 612 of rotating disk 912, solely
Special spy contact pilotage design is prevented in working at height, is visited the problem of contact pilotage is difficult to that target insulator is accurately positioned, is reduced dress
Weight is put, alleviates burden of the staff to quasi-insulator.When visiting stylus contact to insulator both ends to be measured, if insulation
Insulating sublayer performance is normal, then generates and continue gap discharge, by observing chamber 111 it can be seen that the first spray point 211 is put with second
Spark is generated between acusector 212, and sends out discharging sound sound.General way is to acquire the electric discharge sound that generates at this time to judge absolutely
The insulation performance of edge.In the utility model, general way has been abandoned, sound has not been acquired, but acquires electromagnetic interference
Signal.In gap discharge, high pressure ionizes air breakdown, and positive and negative charge collision generates sound, and simultaneous is largely electric
Radio wave by taking over antenna, is coupled to back-end circuit, carries out frequency-selecting and enhanced processing, can obtain by magnetic disturbance information
The electromagnetic interference signal of gap discharge can judge the insulation performance of insulator by electromagnetic interference signal.Signal receiving antenna,
Input circuit, frequency changer circuit, intermediate frequency amplifier, wave detector, audio-frequency amplifier and power amplifier use the prior art, after being convenient for
Continuous analysis and judgement.Further, the first spray point 211 can be connect with the first conducting wire 311, and the second spray point 212 can be with
It is connect with the second conducting wire 312, optionally, the first conducting wire 311 and the second conducting wire 312 are electrically connected to rotation by privates 412
Corresponding spy stylus contact point on turntable 912.Optionally, those skilled in the art can also connect spray point by other means
It is connected to and visits on contact pilotage, such as privates 711 can be passed through(It can be designed as copper strips)It is connect with shaft 811, by shaft 811
Electronic circuit be connected on spray point, entire circuit carries out anti-electromagnetic interference design, the stability and reliability of safeguard work.
The above is only the preferred embodiment of the utility model, it should be understood that the utility model is not limited to herein
Disclosed form is not to be taken as the exclusion to other embodiment, and available for other combinations, modifications, and environments, and
Can be in contemplated scope described herein, modifications can be made through the above teachings or related fields of technology or knowledge.And this field
The modifications and changes that personnel are carried out do not depart from the spirit and scope of the utility model, then all should be in right appended by the utility model
It is required that protection domain in.
Claims (6)
1. a kind of device using gap discharge acquisition electromagnetic wave, which is characterized in that including:Detection probe, reception antenna, input
Circuit, frequency changer circuit, intermediate frequency amplifier, wave detector, audio-frequency amplifier and power amplifier;The detection probe includes observation chamber
(111), in observation chamber(111)Spray point is inside provided with, spray point gap discharge generates electromagnetic interference signal under hyperbaric environment,
The reception antenna is used to receive the electromagnetic interference signal of discharging gap generation;The reception antenna and input circuit it is defeated
Enter end connection, the output terminal of input circuit and the input terminal of frequency changer circuit connect, the output terminal and intermediate frequency amplifier of frequency changer circuit
Input terminal connection, the input terminal of the output terminal of intermediate frequency amplifier and wave detector connects, and output terminal and the audio of wave detector are amplified
The input terminal connection of device, the output terminal of audio-frequency amplifier and the input terminal of power amplifier connect;
The detection probe includes:Pedestal, rotating disk(912), first gear(411)With spy contact pilotage;The spy contact pilotage is revolving
Turntable(912)On;The rotating disk(912)With first gear(411)Connection, first gear(411)It is connect with transmission device,
Under the gearing of transmission device, rotating disk(912)And it is arranged on rotating disk(912)On spy contact pilotage being capable of 360 degree rotation;
The spray point is in observation chamber(111)In and with visit contact pilotage electrical connection.
2. a kind of device using gap discharge acquisition electromagnetic wave according to claim 1, it is characterised in that:The biography
Dynamic device includes motor, motor and second gear(202)Connection.
3. a kind of device using gap discharge acquisition electromagnetic wave according to claim 2, it is characterised in that:The electricity
Machine includes Telescopic motor and spinfunction motor, and the control of Telescopic motor is visited contact pilotage and is moved forward and backward, spinfunction motor
Adjustment visits contact pilotage and visits feeler degree.
4. a kind of device using gap discharge acquisition electromagnetic wave according to claim 1, it is characterised in that:Further include spy
Contact pilotage and insulating bar are visited contact pilotage and are located in detection probe, and insulating bar is connect with detection probe.
5. a kind of device using gap discharge acquisition electromagnetic wave according to claim 4, it is characterised in that:The spy
Contact pilotage includes rear end part(102)And fore-end(101), the fore-end(101)In class U-shaped;When in use when
The fore-end of the spy contact pilotage(101)When blocking insulator, top clamping insulator is received automatically by the effect of contact force.
6. a kind of device using gap discharge acquisition electromagnetic wave according to claim 5, it is characterised in that:Described is exhausted
Edge bar is hollow insulating bar, and the second insulating bar is nested in hollow insulating bar;The joint of insulating bar is provided with second gear
(202), second gear(202)With first gear(411)Occlusion, for driving first gear(411)Rotation.
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CN201721054661.8U CN207601225U (en) | 2017-08-22 | 2017-08-22 | A kind of device using gap discharge acquisition electromagnetic wave |
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CN201721054661.8U CN207601225U (en) | 2017-08-22 | 2017-08-22 | A kind of device using gap discharge acquisition electromagnetic wave |
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CN201721054661.8U Active CN207601225U (en) | 2017-08-22 | 2017-08-22 | A kind of device using gap discharge acquisition electromagnetic wave |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113419151A (en) * | 2021-07-15 | 2021-09-21 | 贵州电网有限责任公司 | Portable fault insulator online detection device and detection method |
-
2017
- 2017-08-22 CN CN201721054661.8U patent/CN207601225U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113419151A (en) * | 2021-07-15 | 2021-09-21 | 贵州电网有限责任公司 | Portable fault insulator online detection device and detection method |
CN113419151B (en) * | 2021-07-15 | 2022-07-01 | 贵州电网有限责任公司 | Portable fault insulator online detection device and detection method |
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Legal Events
Date | Code | Title | Description |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A device for collecting electromagnetic waves using gap discharge Effective date of registration: 20231218 Granted publication date: 20180710 Pledgee: Chengdu SME financing Company Limited by Guarantee Pledgor: CHENGSHU ELECTRIC POWER GROUP CO.,LTD. Registration number: Y2023990000620 |
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PE01 | Entry into force of the registration of the contract for pledge of patent right |