CN201259524Y - High voltage open circuit positioning device - Google Patents
High voltage open circuit positioning device Download PDFInfo
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- CN201259524Y CN201259524Y CNU2008200377987U CN200820037798U CN201259524Y CN 201259524 Y CN201259524 Y CN 201259524Y CN U2008200377987 U CNU2008200377987 U CN U2008200377987U CN 200820037798 U CN200820037798 U CN 200820037798U CN 201259524 Y CN201259524 Y CN 201259524Y
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- 230000005291 magnetic effect Effects 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 claims description 2
- 230000006698 induction Effects 0.000 claims description 2
- 238000001514 detection method Methods 0.000 abstract description 17
- 238000004148 unit process Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 4
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- 238000005259 measurement Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
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Abstract
Disclosed is a high-voltage line open-circuit positioning device which relates to a device for the online fault detection of power supply line and belongs to a power line open-circuit alarm device. the utility model is composed of a carrier receiver unit mounted in a switching house or a bench transformer, a data processing unit, an alarm prompt unit, scaling units installed on power lines; each scaling unit is coupled with a coupling circuit or a plurality of coupling circuits, and sends identifiers through power lines; the identifier sent by each scaling unit is unique; the data processing unit processes the identifiers sent by each scaling unit. The high-voltage line open-circuit positioning device realizes the purposes of discovering open-circuit fault in time and providing the open-circuit position information at the same time.
Description
Technical field
The utility model relates to a kind of online device that detects supply line's fault, belongs to a kind of electric power line failure alarm apparatus.
Background technology
The problem that existing product mainly exists: 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
The purpose of this utility model 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 made up of 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, each calibration unit and one or more coupled circuit couple, and by line of electric force transmission identifier, and the calibration sign indicating number that each calibration unit is sent out is unique, and data processing unit is handled the identifier that each calibration unit sends.
In order better to realize effect of the present utility model, the utility model also can be taked 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 beneficial effects of the utility model are: 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 utility model 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 utility model.
Fig. 2 is the use synoptic diagram of second embodiment of the present utility model.
Embodiment
The use synoptic diagram of Fig. 1 embodiment of the present utility model.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 another embodiment of the present utility model.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,, revise but under the situation of the spirit and scope that do not break away from utility model, can make utility model though, described the specific embodiment of utility model here for illustrational purpose.For example, in the embodiment that has the utility model part of utility model, this power supply module is described as battery and sun power.But, also can increase other energy-provision way on this basis, such as wind power generation.Assembly; Do not get rid of in addition yet two embodiment of the present utility model are made up, such as the coupling scheme of second embodiment are used on first embodiment.
Claims (5)
1, a kind of high tension line open circuit positioning device, it is characterized in that: form 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, each calibration unit and one or more coupled circuit couple, and by line of electric force transmission identifier, and the calibration sign indicating number that each calibration unit is sent out is unique, and data processing unit is handled the identifier that each calibration unit sends.
2, high tension line open circuit positioning device according to claim 1 is characterized in that: 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.
3, high tension line open circuit positioning device according to claim 1 is characterized in that: 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.
4, high tension line open circuit positioning device according to claim 1 is characterized in that: described coupled circuit is a capacitance coupling type.
5, high tension line open circuit positioning device according to claim 1 is characterized in that: described calibration unit also comprises a power circuit, and this circuit is made up of current transformer, rectification circuit, battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200377987U CN201259524Y (en) | 2008-06-20 | 2008-06-20 | High voltage open circuit positioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200377987U CN201259524Y (en) | 2008-06-20 | 2008-06-20 | High voltage open circuit positioning device |
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| Publication Number | Publication Date |
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| CN201259524Y true CN201259524Y (en) | 2009-06-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNU2008200377987U Expired - Lifetime CN201259524Y (en) | 2008-06-20 | 2008-06-20 | High voltage open circuit positioning device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103941148A (en) * | 2014-03-12 | 2014-07-23 | 西南交通大学 | Cable joint fault positioning device and method based on GPS |
| CN104375190A (en) * | 2014-11-26 | 2015-02-25 | 武汉轻工大学 | Power line position information measuring device and method |
| CN112258765A (en) * | 2020-10-23 | 2021-01-22 | 国网冀北电力有限公司计量中心 | District operating condition monitoring and early warning system based on big data and artificial intelligence technique |
-
2008
- 2008-06-20 CN CNU2008200377987U patent/CN201259524Y/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN104375190A (en) * | 2014-11-26 | 2015-02-25 | 武汉轻工大学 | Power line position information measuring device and method |
| CN104375190B (en) * | 2014-11-26 | 2017-01-25 | 武汉轻工大学 | Power line position information measuring device and method |
| CN112258765A (en) * | 2020-10-23 | 2021-01-22 | 国网冀北电力有限公司计量中心 | District operating condition monitoring and early warning system based on big data and artificial intelligence technique |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: XIUQIAN POWER SUPPLY COMPANY, JIANGSU ELECTRIC POW Effective date: 20130116 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20130116 Address after: 223600 No. 1, Changzhou Road, Shuyang County, Suqian, Jiangsu Patentee after: Shuyang Power Supply Company of Jiangsu Electric Power Company Patentee after: Jiangsu Suqian Power Supply Company Patentee after: Jiangsu Electric Power Company Patentee after: State Grid Corporation of China Address before: 223600 Shuyang county power supply company, No. 1 Changzhou Road, Shuyang County, Jiangsu, Suqian Patentee before: Shuyang Power Supply Company of Jiangsu Electric Power Company |
|
| CX01 | Expiry of patent term |
Granted publication date: 20090617 |
|
| CX01 | Expiry of patent term |