CN103513162B - A kind of distribution line failure pointer detection is with controlling harvester - Google Patents
A kind of distribution line failure pointer detection is with controlling harvester Download PDFInfo
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- CN103513162B CN103513162B CN201310478496.9A CN201310478496A CN103513162B CN 103513162 B CN103513162 B CN 103513162B CN 201310478496 A CN201310478496 A CN 201310478496A CN 103513162 B CN103513162 B CN 103513162B
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- 238000001514 detection method Methods 0.000 title claims abstract description 33
- 238000004891 communication Methods 0.000 claims abstract description 29
- 239000013307 optical fiber Substances 0.000 claims abstract description 20
- 238000012360 testing method Methods 0.000 claims abstract description 17
- 230000005540 biological transmission Effects 0.000 claims description 7
- 230000008878 coupling Effects 0.000 claims description 6
- 238000010168 coupling process Methods 0.000 claims description 6
- 238000005859 coupling reaction Methods 0.000 claims description 6
- 230000003287 optical effect Effects 0.000 claims description 6
- 238000002955 isolation Methods 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
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- 238000013461 design Methods 0.000 description 1
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Abstract
The invention provides a kind of distribution line failure pointer detection and control harvester, comprise intake state detection module, reception of wireless signals module, FPGA and optical fiber communication modules; Described intake state detection module detects intake signal, the corresponding contact status signal obtained; Described reception of wireless signals module receives fault detector wireless signal, and resolves the wireless signal received, and obtains fault detector action and involution status information; Described FPGA gathers contact status signal and wireless telecommunications information, by optical fiber communication modules, contact status signal and wireless telecommunications information is sent to output-controlling device.Present invention achieves the Real-time Collection to fault detector operating state, time error is less than 100 microseconds; The output signal that fault detector exports the types such as idle contact, level contact, wireless signal can be gathered, meet the requirement of on-the-spot test and type approval test.And this device exports the output of employing optical fiber, security is good.
Description
Technical field
The present invention relates to a kind of harvester, specifically relate to a kind of distribution line failure pointer detection and control harvester.
Background technology
Although rise in distribution line and use line-failure indicator in a large number, and its manufacturing enterprise's Numerous, but indicator standards and guidelines also ununified both at home and abroad, the fault alarm causing the fault detector used in distribution network systems to adopt is according to being not quite similar, the difference of technology level of product is very large, when line failure, indicator motion accuracy is low, easily fails to report, the phenomenon such as wrong report.
2010, State Grid Corporation of China has promulgated company standard " Q/GDW436-2010 distribution line failure indicator techniques specification ", Uniform provisions is carried out to the function of fault detector, performance index and method of testing, has defined the test event of several functions, performance.Although the fault detector detection technique of advanced person generally adopts program control or PLC control generation alternating voltage, electric current, then produces overhead transmission line voltage, current signal by step-up transformer, up-flow coil, the fault detector hung on up-flow coil is detected.But said detecting system is open cycle system, need manual record testing result and judge, it is wasted time and energy, and signal output accuracy is lower, time controling precision is lower, poor practicability, is difficult to the detection realizing robotization, can not meet the demand of fault detector function that " Q/GDW436-2010 distribution line failure indicator techniques specification " propose, performance, efficiency test.
The present inventor is found by large quantity research, and fault detector detection system requires further improvement practicality, realizes robotization, needs to solve following technical matters:
(1) automatically can gather and failure judgement indicator motion state, form closed loop detect system;
(2) alternating voltage, electric current output amplitude and precision is improved;
(3) signal output time control accuracy is improved;
(4) auto Detection Software that design test project is complete, man-machine interface is friendly.
Summary of the invention
In order to overcome above-mentioned the deficiencies in the prior art, the invention provides a kind of distribution line failure pointer detection and control harvester, achieve the Real-time Collection to fault detector operating state, time error is less than 100 microseconds; The output signal that fault detector exports the types such as idle contact, level contact, wireless signal can be gathered, meet the requirement of on-the-spot test and type approval test.And this device exports the output of employing optical fiber, security is good.
In order to realize foregoing invention object, the present invention takes following technical scheme:
The invention provides a kind of distribution line failure pointer detection and control harvester, described device comprises intake state detection module, reception of wireless signals module, FPGA and optical fiber communication modules; Described intake state detection module detects intake signal, the corresponding contact status signal obtained; Described reception of wireless signals module receives fault detector wireless signal, and resolves the wireless signal received, and obtains fault detector action and involution status information; Described FPGA gathers contact status signal and wireless telecommunications information, by optical fiber communication modules, contact status signal and wireless telecommunications information is sent to output-controlling device.
Described intake signal comprises idle contact intake signal and level contact intake signal; Described contact status signal comprises idle contact status signal and level contact status signal.
Described intake state detection module comprises idle contact break-make testing circuit, level contact level comparison circuit, level contact threshold level circuit for generating, buffer circuit and D/A converter; Described idle contact break-make testing circuit obtains idle contact intake signal by detecting the closed of input idle contact or disconnecting, and idle contact intake signal is input to described FPGA after the optical coupling isolator of buffer circuit is isolated; Described level contact level comparison circuit is by comparing incoming level and comparing datum and obtain level contact status signal, and this level contact status signal is input to described FPGA after the optical coupling isolator of buffer circuit is isolated; Described FPGA controls D/A converter and produces level contact threshold level, as the comparison datum of level contact after the output level contact threshold level linear optocoupler 1:1 isolation transmission of D/A converter.
Described reception of wireless signals module adopts GPRS communication module or 3G communication module; Reception of wireless signals module is set up and is maintained the communication controlling harvester and fault detector, can inquire about or receive the fault alarm information of fault detector simultaneously.
The fault alarm information that reception of wireless signals module receives inputs to described FPGA with serial data mode.
Described FPGA is by the contact status signal of collection and receive wireless telecommunications information and analog information and be sent to the output-controlling device of fault detector detection system by optical fiber communication modules, and receive the configuration order that output-controlling device sends, drainage pattern and DAC configuration are arranged.
Described FPGA controls the data communication between optical fiber communication modules and output-controlling device, connection comprises a pair 50/125 micron or 62.5/125 micron multi-mode optical fiber, one of them is data transmission TX, another is data receiver RX, wherein communication baud rate is not less than 1Mbps, and the time interval sending data and the time interval receiving data are all not more than 100 microseconds.
Compared with prior art, beneficial effect of the present invention is:
1. achieve the Real-time Collection to fault detector operating state, time error is less than 100 microseconds;
2. can gather the output signal that fault detector exports the types such as idle contact, level contact, wireless signal, meet the requirement of on-the-spot test and type approval test;
3. device exports and adopts optical fiber to export, and security is good;
4. jointly can form automatic checkout system with data collector, output-controlling device and automatic test module, for detecting the state of distribution line failure indicator.
Accompanying drawing explanation
Fig. 1 is that distribution line failure pointer detection controls harvester structured flowchart;
Fig. 2 is intake state detection module structured flowchart;
Fig. 3 is that distribution line failure pointer detection controls harvester workflow diagram.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in further detail.
As Fig. 1 and Fig. 3, the invention provides a kind of distribution line failure pointer detection and control harvester, described device comprises intake state detection module, reception of wireless signals module, FPGA and optical fiber communication modules; Described intake state detection module detects intake signal, the corresponding contact status signal obtained; Described reception of wireless signals module receives fault detector wireless signal, and resolves the wireless signal received, and obtains fault detector action and involution status information; Described FPGA gathers contact status signal and wireless telecommunications information, by optical fiber communication modules, contact status signal and wireless telecommunications information is sent to output-controlling device.
Described intake signal comprises idle contact intake signal and level contact intake signal; Described contact status signal comprises idle contact status signal and level contact status signal.
As Fig. 2, described intake state detection module comprises idle contact break-make testing circuit, level contact level comparison circuit, level contact threshold level circuit for generating, buffer circuit and D/A converter; Described idle contact break-make testing circuit obtains idle contact intake signal by detecting the closed of input idle contact or disconnecting, and idle contact intake signal is input to described FPGA after the optical coupling isolator of buffer circuit is isolated; Described level contact level comparison circuit is by comparing incoming level and comparing datum and obtain level contact status signal, and this level contact status signal is input to described FPGA after the optical coupling isolator of buffer circuit is isolated; Described FPGA controls D/A converter and produces level contact threshold level, as the comparison datum of level contact after the output level contact threshold level linear optocoupler 1:1 isolation transmission of D/A converter.
Described reception of wireless signals module adopts GPRS communication module or 3G communication module; Reception of wireless signals module is set up and is maintained the communication controlling harvester and fault detector, can inquire about or receive the fault alarm information of fault detector simultaneously.
The fault alarm information that reception of wireless signals module receives inputs to described FPGA with serial data mode.
Described FPGA is by the contact status signal of collection and receive wireless telecommunications information and analog information and be sent to the output-controlling device of fault detector detection system by optical fiber communication modules, and receive the configuration order that output-controlling device sends, drainage pattern and DAC configuration are arranged.
Described FPGA controls the data communication between optical fiber communication modules and output-controlling device, connection comprises a pair 50/125 micron or 62.5/125 micron multi-mode optical fiber, one of them is data transmission TX, another is data receiver RX, wherein communication baud rate is not less than 1Mbps, and the time interval sending data and the time interval receiving data are all not more than 100 microseconds.
Finally should be noted that: above embodiment is only in order to illustrate that technical scheme of the present invention is not intended to limit, although with reference to above-described embodiment to invention has been detailed description, those of ordinary skill in the field are to be understood that: still can modify to the specific embodiment of the present invention or equivalent replacement, and not departing from any amendment of spirit and scope of the invention or equivalent replacement, it all should be encompassed in the middle of right of the present invention.
Claims (6)
1. distribution line failure pointer detection is with controlling a harvester, it is characterized in that: described device comprises intake state detection module, reception of wireless signals module, FPGA and optical fiber communication modules; Described intake state detection module detects intake signal, the corresponding contact status signal obtained; Described reception of wireless signals module receives fault detector wireless signal, and resolves the wireless signal received, and obtains fault detector action and involution status information; Described FPGA gathers contact status signal and wireless telecommunications information, by optical fiber communication modules, contact status signal and wireless telecommunications information is sent to output-controlling device;
Described intake state detection module comprises idle contact break-make testing circuit, level contact level comparison circuit, level contact threshold level circuit for generating, buffer circuit and D/A converter; Described idle contact break-make testing circuit obtains idle contact intake signal by detecting the closed of input idle contact or disconnecting, and idle contact intake signal is input to described FPGA after the optical coupling isolator of buffer circuit is isolated; Described level contact level comparison circuit is by comparing incoming level and comparing datum and obtain level contact status signal, and this level contact status signal is input to described FPGA after the optical coupling isolator of buffer circuit is isolated; Described FPGA controls D/A converter and produces level contact threshold level, as the comparison datum of level contact after the level contact threshold level that D/A converter exports linear optocoupler 1:1 isolation transmission.
2. distribution line failure pointer detection according to claim 1 controls harvester, it is characterized in that: described intake signal comprises idle contact intake signal and level contact intake signal; Described contact status signal comprises idle contact status signal and level contact status signal.
3. distribution line failure pointer detection according to claim 1 controls harvester, it is characterized in that: described reception of wireless signals module adopts GPRS communication module or 3G communication module; Reception of wireless signals module is set up and is maintained the communication controlling harvester and fault detector, can inquire about or receive the fault alarm information of fault detector simultaneously.
4. distribution line failure pointer detection according to claim 3 controls harvester, it is characterized in that: the fault alarm information that reception of wireless signals module receives inputs to described FPGA with serial data mode.
5. distribution line failure pointer detection according to claim 1 controls harvester, it is characterized in that: described FPGA is by the contact status signal of collection and receive wireless telecommunications information and analog information and be sent to the output-controlling device of fault detector detection system by optical fiber communication modules, and receive the configuration order that output-controlling device sends, drainage pattern and DAC configuration are arranged.
6. distribution line failure pointer detection according to claim 1 controls harvester, it is characterized in that: described FPGA controls the data communication between optical fiber communication modules and output-controlling device, connection comprises a pair 50/125 micron or 62.5/125 micron multi-mode optical fiber, one of them is data transmission TX, another is data receiver RX, wherein communication baud rate is not less than 1Mbps, and the time interval sending data and the time interval receiving data are all not more than 100 microseconds.
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| CN201310478496.9A CN103513162B (en) | 2013-10-14 | 2013-10-14 | A kind of distribution line failure pointer detection is with controlling harvester |
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| CN201310478496.9A CN103513162B (en) | 2013-10-14 | 2013-10-14 | A kind of distribution line failure pointer detection is with controlling harvester |
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| CN103513162A CN103513162A (en) | 2014-01-15 |
| CN103513162B true CN103513162B (en) | 2016-01-20 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104111434A (en) * | 2014-07-16 | 2014-10-22 | 云南电力试验研究院（集团）有限公司电力研究院 | Detection method for fault indicator of physical simulating model |
| CN105353835A (en) * | 2015-11-04 | 2016-02-24 | 国家电网公司 | Query device for operational information of intelligent substation |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4039932A (en) * | 1976-02-26 | 1977-08-02 | San Diego Gas & Electric Co. | Fault indicator testing apparatus |
| JP2000055968A (en) * | 1998-08-04 | 2000-02-25 | Chubu Electric Power Co Inc | Power cable fault detection transmitter |
| CN201867460U (en) * | 2010-12-20 | 2011-06-15 | 河南光彩电器有限公司 | Switching value acquisition module with function of detecting fault of external circuit |
| CN201974667U (en) * | 2010-11-17 | 2011-09-14 | 天津市电力公司 | Novel 10kV power cable fault signal collector |
| CN202110432U (en) * | 2011-06-09 | 2012-01-11 | 航天科工深圳（集团）有限公司 | Remote monitoring feeder terminal |
-
2013
- 2013-10-14 CN CN201310478496.9A patent/CN103513162B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4039932A (en) * | 1976-02-26 | 1977-08-02 | San Diego Gas & Electric Co. | Fault indicator testing apparatus |
| JP2000055968A (en) * | 1998-08-04 | 2000-02-25 | Chubu Electric Power Co Inc | Power cable fault detection transmitter |
| CN201974667U (en) * | 2010-11-17 | 2011-09-14 | 天津市电力公司 | Novel 10kV power cable fault signal collector |
| CN201867460U (en) * | 2010-12-20 | 2011-06-15 | 河南光彩电器有限公司 | Switching value acquisition module with function of detecting fault of external circuit |
| CN202110432U (en) * | 2011-06-09 | 2012-01-11 | 航天科工深圳（集团）有限公司 | Remote monitoring feeder terminal |
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