CN105699847A - Non-contact typetype signal acquisition device - Google Patents
Non-contact typetype signal acquisition device Download PDFInfo
- Publication number
- CN105699847A CN105699847A CN201610138562.1A CN201610138562A CN105699847A CN 105699847 A CN105699847 A CN 105699847A CN 201610138562 A CN201610138562 A CN 201610138562A CN 105699847 A CN105699847 A CN 105699847A
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- field sensor
- signal output
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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
- G01R31/08—Locating faults in cables, transmission lines, or networks
- G01R31/081—Locating faults in cables, transmission lines, or networks according to type of conductors
- G01R31/085—Locating faults in cables, transmission lines, or networks according to type of conductors in power transmission or distribution lines, e.g. overhead
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
Abstract
The present invention provides a non-contact type signal acquisition device and belongs to the technical field of signal acquisition devices. According to the technical scheme of the invention, a non-contact type sensor of high frequency response capability, strong anti-interference capability and convenient installation is provided. The non-contact type signal acquisition device comprises a housing and an acquisition module. The housing is provided with a voltage signal output joint and a current signal output joint. An electric field sensor and a magnetic field sensor are arranged in the housing. The electric field sensor comprises an electrode plate, a signal amplifier and a voltage signal output terminal A1. The magnetic field sensor comprises a magnetic core, a coil, an amplifier circuit and a current signal output terminal A2. The device is applied to electric power systems.
Description
Technical field
Non-contact type signal harvester of the present invention, belongs to the technical field of signal pickup assembly。
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 extremely severe, it is exposed to wind and rain, navigate within hill, it it is maximum place of breaking down in power system, and extremely difficult lookup, nowadays, transmission line of electricity high accuracy FLT mainly adopts and is arranged in transformer station voltage-current sensor acquisition mode and carries out fault location, due to PT in transformer station, CT is mainly used in the voltage x current numerical value of metering line and arranges, and frequency response width is not had high requirements, therefore certain distortion can be produced for the fault traveling wave containing a large amount of higher harmonic components, impact can be produced for calculating fault wave head, traditional voltage-current sensor all adopts center traverse wire, namely sensor have to be around in the outside of tested wire, once sensor failure also affects high-voltage conducting wires insulation, easily cause line fault。
Summary of the invention
The present invention overcomes the deficiency that prior art exists, technical problem to be solved to be: provide that a kind of frequency response ability is high, capacity of resisting disturbance is strong, and the noncontacting proximity sensor being easily installed。
In order to solve above-mentioned technical problem, the technical solution used in the present invention is: non-contact type signal harvester, including housing and acquisition module, described housing is provided with voltage signal out splice going splice and current signal out splice going splice, electric-field sensor and magnetic field sensor it is provided with in described housing, described electric-field sensor includes battery lead plate and the sub-A1 of voltage signal output end, described battery lead plate is connected with the sub-A1 of voltage signal output end, and the sub-A1 of described voltage signal output end is connected with acquisition module by voltage signal out splice going splice；Described magnetic field sensor includes the sub-A2 of magnetic core, coil, amplifying circuit and current signal output end, described coil is set in outside magnetic core, described coil is all connected with amplifying circuit with the sub-A2 of current signal output end, and the sub-A2 of described current signal output end is connected with acquisition module by current signal out splice going splice。
Described signal pickup assembly does not contact with tested electrical body。
Described electric-field sensor adopts slab construction。
Described magnetic field sensor is for detecting the electric current flow through in tested electrical body。
Described electric-field sensor is for detecting the voltage produced on tested electrical body。
Described electric-field sensor detection electrical body voltage range for 0 ~ 350,000 volts。
The present invention compared with prior art has the advantages that
1, non-contact type signal harvester of the present invention, including housing and acquisition module, described housing is provided with voltage signal out splice going splice and current signal out splice going splice, electric-field sensor and magnetic field sensor it is provided with in described housing, described electric-field sensor includes the sub-A1 of battery lead plate, signal amplifier and voltage signal output end, and described magnetic field sensor includes the sub-A2 of magnetic core, coil, amplifying circuit and current signal output end；This signal pickup assembly has the frequency response ability of more than 10MHz, for transient signal and to disturbing signal to have higher position reason ability, contactless harvester will not cause line fault because of Equipment, and contactless harvester is independent of transformer station, any position of circuit (steel tower) can be arranged on, the suitability is strong, 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, this contactless collection advertiser has very good response characteristic for power frequency ripple and high frequency waves, detecting device is transferred signals to by high performance cable, correctly tracer signal waveform。
2, the electric-field sensor in the present invention adopts slab construction, by the voltage signal of unique slab construction detection circuit, substantially increases line security。
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the present invention will be further described in detail；
Fig. 1 is the structural representation of the present invention；
In figure: 1 is housing, 2 is acquisition module, and 3 is voltage signal out splice going splice, and 4 is current signal out splice going splice, and 5 is electric-field sensor, and 6 is magnetic field sensor, and 7 is battery lead plate, and 8 is magnetic core, and 9 is coil, and 10 is amplifying circuit。
Detailed description of the invention
As shown in Figure 1, non-contact type signal harvester, including housing 1 and acquisition module 2, described housing 1 is provided with voltage signal out splice going splice 3 and current signal out splice going splice 4, electric-field sensor 5 and magnetic field sensor 6 it is provided with in described housing 1, described electric-field sensor 5 includes battery lead plate 7 and the sub-A1 of voltage signal output end, and described battery lead plate 7 is connected with the sub-A1 of voltage signal output end, and the sub-A1 of described voltage signal output end is connected with acquisition module 2 by voltage signal out splice going splice 3；Described magnetic field sensor 6 includes magnetic core 8, coil 9, amplifying circuit 10 and the sub-A2 of current signal output end, it is outside that described coil 9 is set in magnetic core 8, described coil 9 is all connected with amplifying circuit 10 with the sub-A2 of current signal output end, and the sub-A2 of described current signal output end is connected with acquisition module 2 by current signal out splice going splice 4。
This contactless collection advertiser has the frequency response ability of more than 10MHz, the waveform of the intact voltage and current signal of record trouble truly of energy, position of failure point is demarcated and all will provide for foundation accurately and reliably with Trouble cause analysis from now on, for transient signal and to disturbing signal to have higher position reason ability, contactless collection advertiser will not cause line fault because of Equipment, and contactless collection advertiser is independent of transformer station, any position of circuit can be arranged on, the suitability is strong, solve the problem of installation difficulty in complicated circuit and transformer station very well, there is strong adaptability and the advantage being prone to engineer applied, this contactless collection advertiser has very good response characteristic for power frequency ripple and high frequency waves, detecting device is transferred signals to by high performance cable, correctly tracer signal waveform。
Contactless collection advertiser is with electromagnetic field inducing principle, owing to fault location precision depends primarily on the waveform acquisition of false voltage current signal, and the numerical precision for signal does not have high requirements, so contactless collection advertiser can give full play to the advantage of its safety, record trouble waveform can also be sensed strictly according to the facts, for phase fault, single-line to ground fault, all kinds of accidents such as thunderbolt are all effective。
Described signal pickup assembly does not contact with tested electrical body, described electric-field sensor 5 adopts slab construction, voltage signal by unique slab construction detection circuit, substantially increase line security, described electric-field sensor 5 is for detecting the voltage produced on tested electrical body, described electric-field sensor 5 detects range for 0 ~ 350,000 volts of electrical body voltage, and described magnetic field sensor 6 is for detecting the electric current flow through in tested electrical body。
Non-contact type signal harvester of the present invention, by the electric-field sensor being provided with in acquisition module and housing and magnetic field sensor, this signal pickup assembly is made to have the frequency response ability of more than 10MHz, for transient signal and to disturbing signal to have higher position reason ability, and contactless harvester is independent of transformer station, any position of circuit (steel tower) can be arranged on, the suitability is strong, there is prominent substantive distinguishing features and significant progressive, above in conjunction with accompanying drawing, embodiments of the invention are explained in detail, but the present invention is not limited to above-described embodiment, in the ken that those of ordinary skill in the art possess, various change can also be made under the premise without departing from present inventive concept。
Claims (6)
1. non-contact type signal harvester, including housing (1) and acquisition module (2), it is characterized in that: described housing (1) is provided with voltage signal out splice going splice (3) and current signal out splice going splice (4), electric-field sensor (5) and magnetic field sensor (6) it is provided with in described housing (1), described electric-field sensor (5) includes battery lead plate (7) and the sub-A1 of voltage signal output end, described battery lead plate (7) is connected with the sub-A1 of voltage signal output end, the sub-A1 of described voltage signal output end is connected with acquisition module (2) by voltage signal out splice going splice (3)；Described magnetic field sensor (6) includes magnetic core (8), coil (9), amplifying circuit (10) and the sub-A2 of current signal output end, it is outside that described coil (9) is set in magnetic core (8), described coil (9) is all connected with amplifying circuit (10) with the sub-A2 of current signal output end, and the sub-A2 of described current signal output end is connected with acquisition module (2) by current signal out splice going splice (4)。
2. non-contact type signal harvester according to claim 1, it is characterised in that: described signal pickup assembly does not contact with tested electrical body。
3. non-contact type signal harvester according to claim 1, it is characterised in that: described electric-field sensor (5) adopts slab construction。
4. non-contact type signal harvester according to claim 1, it is characterised in that: described magnetic field sensor (6) is for detecting the electric current flow through in tested electrical body。
5. non-contact type signal harvester according to claim 1, it is characterised in that: described electric-field sensor (5) is for detecting the voltage produced on tested electrical body。
6. non-contact type signal harvester according to claim 1, it is characterised in that: described electric-field sensor (5) detection electrical body voltage range for 0 ~ 350,000 volts。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610138562.1A CN105699847A (en) | 2016-03-11 | 2016-03-11 | Non-contact typetype signal acquisition device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610138562.1A CN105699847A (en) | 2016-03-11 | 2016-03-11 | Non-contact typetype signal acquisition device |
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| Publication Number | Publication Date |
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| CN105699847A true CN105699847A (en) | 2016-06-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201610138562.1A Pending CN105699847A (en) | 2016-03-11 | 2016-03-11 | Non-contact typetype signal acquisition device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106405193A (en) * | 2016-08-30 | 2017-02-15 | 武汉四维恒通科技有限公司 | Wireless high voltage measuring instrument |
| CN107192873A (en) * | 2017-07-27 | 2017-09-22 | 北京中科飞龙传感技术有限责任公司 | Non-contact voltage transducer system |
| CN108287293A (en) * | 2018-01-11 | 2018-07-17 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | A kind of method and system directly acquiring fault traveling wave |
| CN111693756A (en) * | 2020-06-04 | 2020-09-22 | 物兴科技(深圳)有限公司 | Non-contact AC/DC digital sensor and current detection method using same |
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| CN101232176A (en) * | 2008-01-09 | 2008-07-30 | 潍坊学院 | Non-effective earthing distribution system fault locating method based on neutral point of transient traveling wave |
| CN101459334A (en) * | 2007-12-14 | 2009-06-17 | 山东科汇电力自动化有限公司 | Electrical power system failure information obtaining method |
| US20100063754A1 (en) * | 2008-09-11 | 2010-03-11 | Thomas Terrance L | Wire fault illumination and display |
| CN102707196A (en) * | 2012-06-08 | 2012-10-03 | 东华理工大学 | Novel single-ended travelling wave distance measuring system of fault of high-speed railway traction network |
| CN204439779U (en) * | 2014-11-15 | 2015-07-01 | 卿三光 | A kind of high voltage distribution line failure is reported to the police and is indicated locating device |
| CN205643597U (en) * | 2016-03-11 | 2016-10-12 | 国网山西省电力公司运城供电公司 | Non -contact signal pickup assembly |
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2016
- 2016-03-11 CN CN201610138562.1A patent/CN105699847A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101459334A (en) * | 2007-12-14 | 2009-06-17 | 山东科汇电力自动化有限公司 | Electrical power system failure information obtaining method |
| CN101232176A (en) * | 2008-01-09 | 2008-07-30 | 潍坊学院 | Non-effective earthing distribution system fault locating method based on neutral point of transient traveling wave |
| US20100063754A1 (en) * | 2008-09-11 | 2010-03-11 | Thomas Terrance L | Wire fault illumination and display |
| CN102707196A (en) * | 2012-06-08 | 2012-10-03 | 东华理工大学 | Novel single-ended travelling wave distance measuring system of fault of high-speed railway traction network |
| CN204439779U (en) * | 2014-11-15 | 2015-07-01 | 卿三光 | A kind of high voltage distribution line failure is reported to the police and is indicated locating device |
| CN205643597U (en) * | 2016-03-11 | 2016-10-12 | 国网山西省电力公司运城供电公司 | Non -contact signal pickup assembly |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106405193A (en) * | 2016-08-30 | 2017-02-15 | 武汉四维恒通科技有限公司 | Wireless high voltage measuring instrument |
| CN107192873A (en) * | 2017-07-27 | 2017-09-22 | 北京中科飞龙传感技术有限责任公司 | Non-contact voltage transducer system |
| CN108287293A (en) * | 2018-01-11 | 2018-07-17 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | A kind of method and system directly acquiring fault traveling wave |
| CN111693756A (en) * | 2020-06-04 | 2020-09-22 | 物兴科技(深圳)有限公司 | Non-contact AC/DC digital sensor and current detection method using same |
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Application publication date: 20160622 |
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