CN101685128A - High tension line open circuit positioning device - Google Patents
High tension line open circuit positioning device Download PDFInfo
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- CN101685128A CN101685128A CN200810304647A CN200810304647A CN101685128A CN 101685128 A CN101685128 A CN 101685128A CN 200810304647 A CN200810304647 A CN 200810304647A CN 200810304647 A CN200810304647 A CN 200810304647A CN 101685128 A CN101685128 A CN 101685128A
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Abstract
The invention discloses a high tension line open circuit positioning device, which consists of a carrier receiving unit, a data processing unit, a warning and prompting unit and calibrating units, wherein the carrier receiving unit, the data processing unit and the alarming and prompting unit are arranged in an electrical room or at a transformer substation; the calibrating units are arranged on an electric power circuit; each calibrating unit is coupled with one or more coupled circuits and transmits an identifier through an electric power line; a calibration code transmitted by each calibrating unit is unique; and the data processing unit processes the identifier transmitted by each calibrating unit. The high tension line open circuit positioning device discovers a disconnection fault intime through carrier communication, provides disconnection point positioning information, has the functions of dialling automatically and warning in voice, and creates a condition for discovering andprocessing a fault in time. The open circuit positioning device for the high tension line is convenient to arrange and use without changing the original circuit.
Description
Technical field
The present invention relates to a kind of online device that detects supply line's fault, belong to a kind of electric power line failure alarm apparatus.
Background technology
The problem that has product mainly to exist: can not work during power failure; The positioning function of position does not break; longer for circuit; or occasion with a varied topography; staff's site disposal of can not in time dispatching officers; especially circuit is by the artificial situation of cutting of stealing; can not be fast point location over the ground; just be difficult to better protect the safety of supply line; particularly the high-voltage electric power circuit reasons such as being subjected to weather, environment, external force and insulation ag(e)ing that is in operation open circuit fault occurs generation is often arranged; accurately measure position of failure point; for eliminating high-tension line hidden danger, restoring electricity as early as possible is vital means.At present; line fault oscillograph and the circuit Microcomputer Protection that adopts can both be quoted the distance of trouble spot apart from measurement point both at home and abroad: above device is mounted in the generating plant or electric substation at circuit two ends; it be the indirect measurement during by line broken circuit and calculate after the conclusion that draws; more approaching with actual trip point generally speaking; when circuit has branch line or arc road resistance big; show that according to a large amount of statisticss of run unit high-tension line is in the various number of times that open circuit take place; there is 20% number of times range error bigger approximately; this influences the progress that fault is looked into the work of patrolling greatly, and a spot of on the other hand inaccuracy also has a strong impact on the confidence that scene, correct range finding back searches true fault point.
Summary of the invention:
Purpose of the present invention is the deficiency that overcomes above-mentioned technology, provides a kind of and can in time find disconnection fault, and the electric power line failure alarm apparatus of break point positional information is provided simultaneously.
System is by the carrier wave receiving element that is contained in electric room or platform change place, data processing unit, alarm unit; The calibration unit that is contained on the power circuit is formed, each calibration unit and one or multiple coupled circuit couple, and send identifier by line of electric force, and the calibration sign indicating number that each calibration unit is sent out is unique, data processing unit is handled identifier of each calibration unit transmission.In order better to realize effect of the present invention, the present invention also can take following further scheme:
Described carrier wave receiving element comprises at least one carrier wave receiving element, and described data processing unit is one or more data processing units.
Described coupled circuit is induction coupled circuit, and the magnetic core of the electromagnetic inductor of this coupled circuit is an opening and closing type.
Described coupled circuit is a capacitance coupling type.
Described calibration unit also comprises a power circuit, and this circuit is made up of current transformer, rectification circuit, battery etc.
Can be come out by demodulation correctly at the carrier wave receiving element in order to guarantee to calibrate the rate-aided signal of sending the unit, in calibration unit and carrier wave receiving element, be provided with zero-crossing detection circuit, extract and obtain a reference sync signal, this signal provides a kind of method for synchronizing time for calibrating unit and carrier wave receiving element, the calibration unit is that time reference sends rate-aided signal with the synchronizing signal that obtains by zero passage detection, and the carrier wave receiving element is the time reference received signal with the synchronizing signal that obtains by zero passage detection.
During use, in electric room or the carrier wave receiving element of platform change place receive the identifier signal that the calibration unit that is contained on the power circuit that needs split fix sends, when circuit opens circuit, so still can normally send rate-aided signal because the calibration unit carries power supply, the rate-aided signal that the calibration unit of more close electric room one end at the place of opening circuit sends still can be received in the carrier wave unit, and can not receive the signal of place that open circuit away from the calibration unit of electric room one end, the coding of data processing unit by receiving He confiscate, obtain the locating information of the section of broken string, export to alarm module simultaneously.All have accumulator in the unit at place, electric room and make standby power supply, guarantee when having a power failure, can work.Alarm module can connect automatic dialing phonetic alarm device, or inserts safety-protection system.
The invention has the beneficial effects as follows: by carrier communication, in time find disconnection fault, the locating information of break point is provided, and have automatic dialing, the audio alert function is in time discovery and handling failure create conditions.The present invention's installation, easy to use need not change original circuit.
Description of drawings
Fig. 1 is the use synoptic diagram of first embodiment of the present invention.
Fig. 2 is the use synoptic diagram of second embodiment of the present invention.
Embodiment
The use synoptic diagram of Fig. 1 embodiments of the invention.Present embodiment is included in the receiving element 100 of electric room or platform change place, the calibration unit 200 on power circuit, and receiving element 100 comprises feed receiver 105, zero cross detection circuit 107, carrier wave receiving element 104, data processing unit 101, alarm unit 102, standby power supply 103, calibration unit 200 comprises electromagnetic inductor 201, rectification circuit 202, battery 203, code generator 204, coded transmitter 205, coupled circuit 206, zero-crossing detection circuit 207; Electromagnetic inductor 201 is a magnetic core formula voltage sensor for a kind of the unlatching in present embodiment, during use ferro-magnetic core is stuck on the hi-line, the coil of coiling is as secondary on magnetic core, when the hi-line in the magnetic core passes through electric current, ferro-magnetic core forms closed magnetic circuit, on secondary coil, can form induced voltage, after rectification circuit 202 rectifications are direct current, give battery 203 chargings; Code generator 204 produces the encoded transmitter of a group coding 205 modulation backs and forms high-frequency carrier signal, is coupled on the hi-line through coupled circuit 206, and coupled circuit 206 is a kind of capacitive coupling in present embodiment; Calibration unit 200 be at least one group, and the coding of calibrating the unit from 200a 200n and each is unique; Calibration unit 200 can directly hang on high pressure magnetic bottle and the hi-line tie point; Carrier wave receiving element 104 100 li of receiving end receiving elements is separated the carrier signal on the hi-line through feed receiver 105, carry out code identification through data processing unit 101, can be come out by demodulation correctly at receiving element 100 in order to guarantee to calibrate the rate-aided signal of sending unit 200, in calibration unit 200 and receiving element 100, be provided with zero-crossing detection circuit 107 and 207, obtain a reference sync signal by the AC signal of extracting on the hi-line, this signal provides a kind of method for synchronizing time for calibration unit 200 with receiving element 100, calibration unit 100 is that time reference sends rate-aided signal with the synchronizing signal that obtains by zero passage detection, and receiving element is the time reference received signal with the synchronizing signal that obtains by zero passage detection; Present embodiment is when concrete the use, in electric room or the receiving element 100 of platform change place when receiving the crossover point signal that zero-detection circuit 107 sends, reception is contained in the identifier signal that the calibration unit 200 on the power circuit that needs split fix sends, at this moment calibration unit 200 also sends one group of carrier signal under the startup of zero-crossing detection circuit 207, when circuit opens circuit, so still can normally send rate-aided signal because calibration unit 200 carries power supply, receiving element 100 still can be received the rate-aided signal that calibration unit 200 on one side, more close electric room sends at the place of opening circuit, and can not receive the signal of place that open circuit away from calibration unit 200 on one side, electric room, the coding of data processing unit 101 by receiving He confiscate, obtain the locating information of the section of broken string, export to alarm module 102 simultaneously.Receiving element 100 at place, electric room all has accumulator 103 and makes standby power supply, guarantees can work when having a power failure.Alarm module 102 can connect automatic dialing phonetic alarm device, or inserts safety-protection system.
The use synoptic diagram of Fig. 2 an alternative embodiment of the invention.Present embodiment is included in the receiving element 2100 of electric room or platform change place, the calibration unit 2200 on power circuit, and receiving element 2100 comprises feed receiver 2105, solar cell 2108, carrier wave receiving element 2104, data processing unit 2101, alarm unit 2102, standby power supply 2103, calibration unit 2200 comprises solar cell 2208, battery 2203, code generator 2204, coded transmitter 2205, coupled circuit 2206; The calibration unit gives battery 2203 chargings by solar cell 2208 in present embodiment; Code generator 2204 produces the encoded transmitter of a group coding 2205 modulation backs and forms high-frequency carrier signal, is coupled on the hi-line through coupled circuit 2206, and coupled circuit 206 is a kind of inductive coupling mode in present embodiment; Calibration unit 2200 be at least one group, and the coding of calibrating the unit from 2200a 2200n and each is unique; Calibration unit 2200 can directly hang on high pressure magnetic bottle and the hi-line tie point; Carrier wave receiving element 2104 2100 li of receiving end receiving elements is separated the carrier signal on the hi-line through feed receiver 2105, carry out code identification through data processing unit 2101, can be come out by demodulation correctly at receiving element 2100 in order to guarantee to calibrate the rate-aided signal of sending unit 2200, in calibration unit 2200 and receiving element 2100, be provided with zero- crossing detection circuit 2107 and 2207, obtain a reference sync signal by the AC signal of extracting on the hi-line, this signal provides a kind of method for synchronizing time for calibration unit 2200 with receiving element 2100, calibration unit 2200 is that time reference sends rate-aided signal with the synchronizing signal that obtains by zero passage detection, and receiving element is the time reference received signal with the synchronizing signal that obtains by zero passage detection; Present embodiment is when concrete the use, in electric room or the receiving element 2100 of platform change place when receiving the crossover point signal that zero-detection circuit 2107 sends, reception is contained in the identifier signal that the calibration unit 2200 on the power circuit that needs split fix sends, at this moment calibration unit 2200 also sends one group of carrier signal under the startup of zero-crossing detection circuit 2207, when circuit opens circuit, so still can normally send rate-aided signal because calibration unit 2200 carries power supply, receiving element 2100 still can be received the rate-aided signal that calibration unit 2200 on one side, more close electric room sends at the place of opening circuit, and can not receive the signal of place that open circuit away from calibration unit 2200 on one side, electric room, the coding of data processing unit 2101 by receiving He confiscate, obtain the locating information of the section of broken string, export to alarm module 2102 simultaneously.Receiving element 2100 at place, electric room all has accumulator 2103 and makes standby power supply, guarantees can work when having a power failure.Alarm module 2102 can connect automatic dialing phonetic alarm device, or sends to wireless on related personnel's the mobile phone.
The advantage of comparing with prior art
Present embodiment provides the advantage that is better than prior art.By being set, the calibration emitter can accurately locate the particular location of broken string on hi-line, and can further increase estimation precision by the number that increases the calibration unit, mode is flexible, can increase the quantity of calibration unit separately in the location that personnel are difficult to arrive, and for reducing the quantity of calibrating the unit in relatively good place of manually searching, guaranteed that so not only the detection effect also saved cost, the line loss that adopts this mode can avoid the weather reason to cause in addition changes the influence to measuring accuracy.
Other alternative
Recognize, though here for illustrational purpose, specific embodiments of the invention have been described, under the situation that does not break away from the spirit and scope of the present invention, can make modification of the present invention.For example, be described as battery and sun power at power supply module of the present invention.But, also can increase other energy-provision way on this basis, such as wind power generation; Do not get rid of in addition yet two embodiment of the present invention are made up, such as the coupling scheme of second embodiment are used on first embodiment.
Claims (6)
1. high tension line open circuit positioning device is by the carrier wave receiving element that is contained in electric room, data processing unit, alarm unit; The calibration unit that is contained on the power circuit is formed, and it is characterized in that: each calibration unit sends identifier by line of electric force, and the calibration sign indicating number that each calibration unit is sent out is unique, and data processing unit is handled identifier of each calibration unit transmission.
2. high tension line open circuit positioning device according to claim 1 is characterized in that: described calibration unit also comprises a zero cross detection circuit.
3. high tension line open circuit positioning device according to claim 1 is characterized in that: described calibration unit comprises that also an electric energy produces circuit.
4. high tension line open circuit positioning device according to claim 1 is characterized in that: described electric energy generation device is a solar cell.
5. high tension line open circuit positioning device according to claim 1 is characterized in that: described electric energy generation device is made up of induction coupled circuit, and the magnetic core of the electromagnetic inductor of this coupled circuit is an opening and closing type.
6. high tension line open circuit positioning device according to claim 1 is characterized in that: described alarm unit is a wireless launcher, and this device is a kind of GMS transmitter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810304647A CN101685128A (en) | 2008-09-25 | 2008-09-25 | High tension line open circuit positioning device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810304647A CN101685128A (en) | 2008-09-25 | 2008-09-25 | High tension line open circuit positioning device |
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|---|---|
| CN101685128A true CN101685128A (en) | 2010-03-31 |
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| CN200810304647A Pending CN101685128A (en) | 2008-09-25 | 2008-09-25 | High tension line open circuit positioning device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103430034A (en) * | 2011-03-18 | 2013-12-04 | 索尼公司 | Detection device and detection method |
| CN103543378A (en) * | 2013-09-26 | 2014-01-29 | 光一科技股份有限公司 | Power distribution sheet relation detecting method |
| CN103941148A (en) * | 2014-03-12 | 2014-07-23 | 西南交通大学 | Cable joint fault positioning device and method based on GPS |
| CN105372555A (en) * | 2015-11-05 | 2016-03-02 | 国网山西省电力公司大同供电公司 | Electric power monitoring system having fault position detection function |
| CN106160793A (en) * | 2015-04-16 | 2016-11-23 | 郭绍光 | Solar panel inductive coupling carrier wave drives |
-
2008
- 2008-09-25 CN CN200810304647A patent/CN101685128A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103430034A (en) * | 2011-03-18 | 2013-12-04 | 索尼公司 | Detection device and detection method |
| CN103543378A (en) * | 2013-09-26 | 2014-01-29 | 光一科技股份有限公司 | Power distribution sheet relation detecting method |
| CN103543378B (en) * | 2013-09-26 | 2015-10-21 | 光一科技股份有限公司 | Platform sheet relation detection method |
| CN103941148A (en) * | 2014-03-12 | 2014-07-23 | 西南交通大学 | Cable joint fault positioning device and method based on GPS |
| CN103941148B (en) * | 2014-03-12 | 2018-10-19 | 西南交通大学 | Cable and junction malfunction localization method based on GPS positioning system |
| CN106160793A (en) * | 2015-04-16 | 2016-11-23 | 郭绍光 | Solar panel inductive coupling carrier wave drives |
| CN106160793B (en) * | 2015-04-16 | 2019-05-14 | 上海虑信电力科技有限公司 | The driving of solar panel inductive coupling carrier wave |
| CN105372555A (en) * | 2015-11-05 | 2016-03-02 | 国网山西省电力公司大同供电公司 | Electric power monitoring system having fault position detection function |
| CN105372555B (en) * | 2015-11-05 | 2018-04-06 | 国网山西省电力公司大同供电公司 | A kind of electric power monitoring system with abort situation detection function |
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Open date: 20100331 |