CN205720518U - A kind of transmission open acess device based on noncontacting proximity sensor - Google Patents
A kind of transmission open acess device based on noncontacting proximity sensor Download PDFInfo
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- CN205720518U CN205720518U CN201620187006.9U CN201620187006U CN205720518U CN 205720518 U CN205720518 U CN 205720518U CN 201620187006 U CN201620187006 U CN 201620187006U CN 205720518 U CN205720518 U CN 205720518U
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- noncontacting proximity
- proximity sensor
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 27
- 238000001514 detection method Methods 0.000 claims abstract description 42
- 238000009434 installation Methods 0.000 claims abstract description 13
- 238000005070 sampling Methods 0.000 claims description 6
- 230000005611 electricity Effects 0.000 claims description 3
- 238000005259 measurement Methods 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 description 5
- 238000004891 communication Methods 0.000 description 4
- 230000005684 electric field Effects 0.000 description 3
- APTZNLHMIGJTEW-UHFFFAOYSA-N pyraflufen-ethyl Chemical compound C1=C(Cl)C(OCC(=O)OCC)=CC(C=2C(=C(OC(F)F)N(C)N=2)Cl)=C1F APTZNLHMIGJTEW-UHFFFAOYSA-N 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 2
- 230000005674 electromagnetic induction Effects 0.000 description 2
- 230000004807 localization Effects 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000012827 research and development Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000001052 transient effect Effects 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/50—Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications
- Y04S10/52—Outage or fault management, e.g. fault detection or location
Abstract
The utility model proposes a kind of transmission open acess device based on noncontacting proximity sensor, including electric supply installation, detection device, communicator and GPS positioner, electric supply installation is connected with detection device, for powering to detection device, communicator is connected with detection device respectively with GPS positioner, detection device includes 3 noncontacting proximity sensors, GPS positioner is for positioning fault locator, and communicator is for being sent to Surveillance center by the signal that detection device detection obtains.Fault locator of the present utility model not only sample rate is high, positioning precision is high, and cost reduces, and can be widely applied to field of power transmission.
Description
Technical field
This utility model relates to a kind of transmission open acess device based on noncontacting proximity sensor, belongs to power failure field of locating technology.
Background technology
Along with developing rapidly of intelligent grid, ultra-high-tension power transmission line status shared by electrical network is more and more important, its reliability of operation affects the power supply reliability of whole power system, and Research Work of Power Transmission Line environment is the most severe, it is not only exposed in wind and rain, and navigate within hill, it it is most place of breaking down in power system, the extremely difficult lookup in trouble point, therefore, trouble point is quickly and accurately found after line failure, not only to repairing circuit and fast recovery of power supply in time, and the safety and stability and economical operation to whole power system has highly important effect.
In recent years, fault traveling wave location technology has obtained developing faster, has emerged in large numbers many both-ends, single-ended traveling wave fault location algorithm and principle, at present, practical row ripple positioner, mainly by transformer station's internal fault oscillograph device, carries out fault location calculating to current traveling wave signal.nullIt is applied to the range unit of the comparative maturity of power system at present，WFL2010 such as China Electric Power Research Institute's research and development、Xi'an Communications University and the XC-11 etc. of Shandong Kehui Electric Co., Ltd.'s research and development，The ability of the good change of disease high-frequency signal that these row ripple positioners have mainly by current transformer，But，When using current traveling wave signal to carry out fault location，The collection signal of current traveling wave is bigger by corona interference，When data are carried out wavelet analysis，It sometimes appear that wave head bad timing，Cause position stability、Reliability and accuracy are the highest，Engineering adaptability is relatively poor，And when non-thunderbolt insulation corollary failure，The most easily occur at voltage peaks，Voltage traveling wave is highly sensitive compared with current traveling wave，Additionally，Existing range unit is relatively low due to sample rate、Positioning precision is relatively low，Theory and practical range error are often beyond 1kM.
Utility model content
This utility model overcomes the deficiency that prior art exists, it is provided that the transmission open acess device based on noncontacting proximity sensor that a kind of sample rate is high, positioning precision is high.
In order to solve above-mentioned technical problem, the technical solution adopted in the utility model is: a kind of transmission open acess device based on noncontacting proximity sensor, including electric supply installation, detection device, communicator and GPS positioner, described electric supply installation is connected with described detection device, for powering to described detection device, described communicator is connected with detection device respectively with described GPS positioner, described detection device includes 3 noncontacting proximity sensors and the sampling apparatus being connected with described 3 noncontacting proximity sensors, described detection device is for gathering the fault traveling wave signal in transmission line of electricity, described GPS positioner is for positioning and clock alignment described fault locator, described communicator is for being sent to Surveillance center by the fault traveling wave signal that the detection of described detection device obtains.
Described a kind of based on noncontacting proximity sensor transmission open acess device, also include main reception point, the described main point that receives includes Receiver Module and GPRS module, described communicator includes radio frequency sending module, described radio frequency sending module is sent to described main reception point for the signal obtained by described detection measurement device in radiofrequency signal mode, and the described main point that receives receives described signal by Receiver Module and is sent to Surveillance center by described GPRS module.
Described electric supply installation includes solaode and accumulator.
Described 3 noncontacting proximity sensors are separately mounted to each of three phase transmission line and go up mutually, for measuring the voltage and current signal of each phase.
The mounting distance of described fault locator is 10km ~ 15km.
The described main point that receives is arranged on the ground, and mounting distance is 50 ~ 100km.
This utility model compared with prior art has the advantages that
1, transmission open acess device of the present utility model, by GPS positioner, can control the time error between each collection point 10-7Within, greatly reduce the error that result of calculation is produced by hardware；
2, in this utility model transmission open acess device have employed the noncontacting proximity sensor of the frequency response ability with more than 10MHz, by voltage and the current signal of electromagnetic induction detection circuit, for transient signal and to disturbing signal to have higher position reason ability, and use more than 10MHz high-speed sampling technology, intact can record fault waveform truly, position of failure point can be demarcated and Trouble cause analysis provides foundation accurately and reliably, realize high accuracy fault localization comprehensively, can make actual error basic controlling within 200M；
3, noncontacting proximity sensor is independent of transformer station, any position of circuit can be arranged on, solve the problem of installation difficulty in complicated circuit and transformer station very well, there is the advantage that strong adaptability is prone to engineer applied, and, noncontacting proximity sensor can also play the advantage of its safety, such as sensing record fault waveform, causes etc. all kinds of accidents such as the phase fault, the single-line to ground fault that cause the most effective for foreign body, thunderbolt；
4, by arrange main receive point carry out signal transfer, communications cost can be reduced.
Accompanying drawing explanation
Fig. 1 is the structural representation of transmission open acess device based on noncontacting proximity sensor of the present utility model.
Fig. 2 is the structural representation of the second embodiment of the present utility model.
Detailed description of the invention
In order to further appreciate that substantive distinguishing features of the present utility model, with specific embodiment, this utility model is described further below in conjunction with the accompanying drawings.
As shown in Figure 1, for this utility model transmission open acess based on noncontacting proximity sensor device, including electric supply installation 1, detection device 2, communicator 3, GPS positioner 4, electric supply installation 1 is connected with detection device 2, for powering to detection device 3, communicator 3 is all connected with detection device 2 with GPS positioner 4, the signal that detection device detection obtains is sent to Surveillance center, fault message is analyzed collecting by Surveillance center, and after carrying out calculating location to abort situation, it is uploaded to human-computer interaction interface, so that staff carries out Data Summary, and location maintenance.
Specifically, electric supply installation 1 includes solaode 11 and the accumulator 12 electrically connected with solaode, solaode 11 absorbs sunlight and is converted to electric energy, and charge to accumulator 12, accumulator 12 powers to detection device 2, detection device 2 is made continuous to obtain electric, even sleet or cloudy day also can work continuously.Detection device 2 is arranged on shaft tower, and detection device 2 includes that sensor 21, sensor 22 and sensor 23 and the sampling apparatus being connected with these three sensor, sensor 21, sensor 22 and sensor 23 are separately mounted in each phase of three phase line.Communicator 3 is sent to Surveillance center for sampling apparatus is detected the signal obtained on sensor 21, sensor 22 and sensor 23.GPS positioner 4 is connected with detection device 2, can position the detection device 2 of each collection point, and can control the time error between each collection point 10-7Within, greatly reduce the error that result of calculation is produced by hardware.
Transmission open acess device of the present utility model, mounting distance can be 5km to 50km, and wherein, preferably mounting distance is 10km to 15km.
Wherein, at different steel towers, communicator 3 can pass through mobile telephone network or satellite phone, the signal that sensor is detected by the mode of such as GPRS communication is sent to Surveillance center, in addition, can also be the main reception point that the signal that sensor detects is sent in this region by the way of radio frequency sends by communicator 3 at different steel towers in regional, the main point that receives send a signal to Surveillance center by GPRS communication mode.It is the second embodiment of transmission open acess device of the present utility model as described in Figure 2, also include main reception point 5, the main point 5 that receives includes Receiver Module 51 and GPRS module 52, described communicator 3 includes radio frequency sending module 31, radio frequency sending module 31 is sent to the main point 5 that receives for detection device 2 is measured the signal obtained in radiofrequency signal mode, and the main point 5 that receives receives this signal by Receiver Module 31 and is sent to Surveillance center by GPRS module 52.The main point that receives is installed on the ground, and its mounting distance is 50km-100km, then can reduce a cost for communicator 3 by arranging main reception point.
In this utility model, sensor 21, sensor 22 and sensor 23 can be noncontacting proximity sensor, are made up of electric-field sensor and magnetic field sensor two parts inside noncontacting proximity sensor, can kept at a certain distance away by this two sensors, the voltage and current signal of detection electrical body.Cleaning Principle is: magnetic field sensor, in coil shape, can detect in electrical body and flow through magnetic field produced by electric current.Electric-field sensor can detect the electric field that on electricity body, voltage produces.When electrical body is arranged by sensor cover, can keep at a certain distance away and the voltage and current signal produced in electrical body is detected.Non-contact sensor has the slab construction of uniqueness, by voltage and the current signal of electromagnetic induction detection circuit, there is the frequency response ability of more than 10MHz, for transient signal and to disturbing signal to have higher position reason ability, substantially increase line security, and non-contact sensor is independent of transformer station, any position of circuit can be arranged on, solve the problem of installation difficulty in complicated circuit and transformer station very well, there is the advantage that strong adaptability is prone to engineer applied, noncontacting proximity sensor can also play the advantage of its safety, as sensed record fault waveform, for foreign body, thunderbolt such as causes at the phase fault caused, all kinds of accident such as single-line to ground fault is the most effective.Detection device 2 uses the high-speed sampling technology of more than 10MHz, intact can record fault waveform truly, position of failure point is demarcated and all will provide foundation accurately and reliably with Trouble cause analysis from now on, voltage x current travelling wave signal after collection, transmitted to Surveillance center by communication module 3, realize high accuracy fault localization comprehensively, make actual error basic controlling within 200M.
The utility model proposes a kind of transmission open acess device based on noncontacting proximity sensor, it is possible to monitor fault in real time, sample rate is high, and positioning precision is high, has substantive distinguishing features and progress.Above in conjunction with accompanying drawing, embodiment of the present utility model is explained in detail, but this utility model is not limited to above-described embodiment, in the ken that those of ordinary skill in the art are possessed, it is also possible on the premise of without departing from this utility model objective, various changes can be made.
Claims (6)
1. a transmission open acess device based on noncontacting proximity sensor, it is characterized in that, including electric supply installation, detection device, communicator and GPS positioner, described electric supply installation is connected with described detection device, for powering to described detection device, described communicator is connected with detection device respectively with described GPS positioner, described detection device includes 3 noncontacting proximity sensors and the sampling apparatus being connected with described 3 noncontacting proximity sensors, described detection device is for gathering the fault traveling wave signal in transmission line of electricity, described GPS positioner is for positioning and clock alignment described fault locator, described communicator is for being sent to Surveillance center by the fault traveling wave signal that the detection of described detection device obtains.
A kind of transmission open acess device based on noncontacting proximity sensor the most according to claim 1, it is characterized in that, also include main reception point, the described main point that receives includes Receiver Module and GPRS module, described communicator includes radio frequency sending module, described radio frequency sending module is sent to described main reception point for the signal obtained by described detection measurement device in radiofrequency signal mode, and the described main point that receives receives described signal by Receiver Module and is sent to Surveillance center by described GPRS module.
A kind of transmission open acess device based on noncontacting proximity sensor the most according to claim 1, it is characterised in that described electric supply installation includes solaode and accumulator.
A kind of transmission open acess device based on noncontacting proximity sensor the most according to claim 1, it is characterised in that described 3 noncontacting proximity sensors are separately mounted to each of three phase transmission line and go up mutually, for measuring the voltage and current signal of each phase.
A kind of transmission open acess device based on noncontacting proximity sensor the most according to claim 1, it is characterised in that the mounting distance of described fault locator is 10km ~ 15km.
A kind of transmission open acess device based on noncontacting proximity sensor the most according to claim 2, the described main point that receives is arranged on the ground, and mounting distance is 50 ~ 100km.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620187006.9U CN205720518U (en) | 2016-03-11 | 2016-03-11 | A kind of transmission open acess device based on noncontacting proximity sensor |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620187006.9U CN205720518U (en) | 2016-03-11 | 2016-03-11 | A kind of transmission open acess device based on noncontacting proximity sensor |
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| CN205720518U true CN205720518U (en) | 2016-11-23 |
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| CN201620187006.9U Active CN205720518U (en) | 2016-03-11 | 2016-03-11 | A kind of transmission open acess device based on noncontacting proximity sensor |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105676074A (en) * | 2016-03-11 | 2016-06-15 | 国网山西省电力公司运城供电公司 | Power transmission line fault positioning device based on non-contact type sensor |
| CN109459625A (en) * | 2017-09-06 | 2019-03-12 | 弗兰克公司 | Multiphase measuring device |
-
2016
- 2016-03-11 CN CN201620187006.9U patent/CN205720518U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105676074A (en) * | 2016-03-11 | 2016-06-15 | 国网山西省电力公司运城供电公司 | Power transmission line fault positioning device based on non-contact type sensor |
| CN109459625A (en) * | 2017-09-06 | 2019-03-12 | 弗兰克公司 | Multiphase measuring device |
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