CN103513162A - Control acquisition device applied to distribution line fault indicator detection - Google Patents
Control acquisition device applied to distribution line fault indicator detection Download PDFInfo
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- CN103513162A CN103513162A CN201310478496.9A CN201310478496A CN103513162A CN 103513162 A CN103513162 A CN 103513162A CN 201310478496 A CN201310478496 A CN 201310478496A CN 103513162 A CN103513162 A CN 103513162A
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Abstract
The invention provides a control acquisition device applied to distribution line fault indicator detection. The control acquisition device comprises an input state detection module, a wireless signal receiving module, an FPGA and an optical fiber communication module. The input state detection module detects an input signal to acquire a corresponding contact state signal. The wireless signal receiving module receives a fault indicator wireless signal and parses the received wireless signal to acquire fault indicator action and reset state information. The FPGA acquires the contact state signal and wireless communication information, and sends the contact state signal and the wireless communication information to an output control device through the optical fiber communication module. According to the invention, the fault indicator action state is acquired in real time; the time error is less than 100 microseconds; output signals outputted by the fault indicator such as idle contact signals, level contact signals, wireless signals and the like are acquired; the requirements of site tests and type tests are met; and the output of the device uses optical fiber output and has good safety.
Description
Technical field
The present invention relates to a kind of harvester, specifically relate to a kind of distribution line failure pointer detection with controlling harvester.
Background technology
Although play a large amount of line-failure indicators that use in distribution line, Qie Qi manufacturing enterprise number is numerous, but also there is no unified indicator standards and guidelines both at home and abroad, cause fault alarm that the fault detector that uses in distribution network systems adopts 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 standard ", the function of fault detector, performance index and method of testing carried out to unified regulation, stipulated the test event of several functions, performance.Although advanced fault detector detection technique generally adopts program control or PLC to control, there is alternating voltage, electric current, then produce overhead transmission line voltage, current signal by step-up transformer, up-flow coil, the fault detector hanging 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 control accuracy is lower, poor practicability, is difficult to realize the detection of robotization, can not meet the demand of fault detector function that " Q/GDW436-2010 distribution line failure indicator techniques standard " propose, performance, efficiency test.
The inventor finds by large quantity research, and fault detector detection system requires further improvement practicality, realizes robotization, need to solve following technical matters:
(1) can automatically gather and failure judgement indicator motion state, form closed loop detection system;
(2) improve alternating voltage, electric current output amplitude and precision;
(3) improve signal output time control accuracy;
(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 with controlling harvester, realized the Real-time Collection to fault detector operating state, time error is less than 100 microseconds; The output signal that can gather the types such as fault detector output idle contact, level contact, wireless signal, meets the requirement of on-the-spot test and type approval test.And this device output adopts optical fiber output, and 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 with controlling 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 obtaining; Described reception of wireless signals module receives fault detector wireless signal, and the wireless signal receiving is resolved, 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 DA converter; Closed or the disconnection that described idle contact break-make testing circuit is inputted idle contact by detection obtains idle contact intake signal, 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 obtains level contact status signal by comparing incoming level with comparing datum, and this level contact status signal is input to described FPGA after the optical coupling isolator of buffer circuit is isolated; Described FPGA controls DA converter and produces level contact threshold level, the output level contact threshold level of DA converter after linear optical coupling 1:1 isolation transmission as the comparison datum of level contact.
Described reception of wireless signals module adopts GPRS communication module or 3G communication module; The communication of controlling harvester and fault detector is set up and maintained to reception of wireless signals module, 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 sends to the output-controlling device of fault detector detection system by optical fiber communication modules, and receive the configuration order that output-controlling device is sent, 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 of 50/125 micron or 62.5/125 micron of multimode 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 that sends data is all not more than 100 microseconds with the time interval that receives data.
Compared with prior art, beneficial effect of the present invention is:
1. realized the Real-time Collection to fault detector operating state, time error is less than 100 microseconds;
2. the output signal that can gather the types such as fault detector output idle contact, level contact, wireless signal, meets the requirement of on-the-spot test and type approval test;
3. device output adopts optical fiber output, and security is good;
4. can jointly form automatic checkout system with data collector, output-controlling device and automatic test module, for detection of the state of distribution line failure indicator.
Accompanying drawing explanation
Fig. 1 is that distribution line failure pointer detection is with controlling harvester structured flowchart;
Fig. 2 is intake state detection module structured flowchart;
Fig. 3 is that distribution line failure pointer detection is with controlling 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 with controlling 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 obtaining; Described reception of wireless signals module receives fault detector wireless signal, and the wireless signal receiving is resolved, 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 DA converter; Closed or the disconnection that described idle contact break-make testing circuit is inputted idle contact by detection obtains idle contact intake signal, 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 obtains level contact status signal by comparing incoming level with comparing datum, and this level contact status signal is input to described FPGA after the optical coupling isolator of buffer circuit is isolated; Described FPGA controls DA converter and produces level contact threshold level, the output level contact threshold level of DA converter after linear optical coupling 1:1 isolation transmission as the comparison datum of level contact.
Described reception of wireless signals module adopts GPRS communication module or 3G communication module; The communication of controlling harvester and fault detector is set up and maintained to reception of wireless signals module, 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 sends to the output-controlling device of fault detector detection system by optical fiber communication modules, and receive the configuration order that output-controlling device is sent, 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 of 50/125 micron or 62.5/125 micron of multimode 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 that sends data is all not more than 100 microseconds with the time interval that receives data.
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 the present invention is had been described in detail with reference to above-described embodiment, those of ordinary skill in the field are to be understood that: still can modify or be equal to replacement the specific embodiment of the present invention, and do not depart from any modification of spirit and scope of the invention or be equal to replacement, it all should be encompassed in the middle of claim scope of the present invention.
Claims (7)
1. distribution line failure pointer detection, with controlling a harvester, 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 obtaining; Described reception of wireless signals module receives fault detector wireless signal, and the wireless signal receiving is resolved, 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.
2. distribution line failure pointer detection according to claim 1, with controlling harvester, 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, with controlling harvester, is characterized in that: 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 DA converter; Closed or the disconnection that described idle contact break-make testing circuit is inputted idle contact by detection obtains idle contact intake signal, 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 obtains level contact status signal by comparing incoming level with comparing datum, and this level contact status signal is input to described FPGA after the optical coupling isolator of buffer circuit is isolated; Described FPGA controls DA converter and produces level contact threshold level, the output level contact threshold level of DA converter after linear optical coupling 1:1 isolation transmission as the comparison datum of level contact.
4. distribution line failure pointer detection according to claim 1, with controlling harvester, is characterized in that: described reception of wireless signals module adopts GPRS communication module or 3G communication module; The communication of controlling harvester and fault detector is set up and maintained to reception of wireless signals module, can inquire about or receive the fault alarm information of fault detector simultaneously.
5. distribution line failure pointer detection according to claim 4, with controlling harvester, is characterized in that: the fault alarm information that reception of wireless signals module receives inputs to described FPGA with serial data mode.
6. distribution line failure pointer detection according to claim 1 is with controlling harvester, it is characterized in that: described FPGA is by the contact status signal of collection and receive wireless telecommunications information and analog information sends to the output-controlling device of fault detector detection system by optical fiber communication modules, and receive the configuration order that output-controlling device is sent, drainage pattern and DAC configuration are arranged.
7. distribution line failure pointer detection according to claim 1 is with controlling 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 of 50/125 micron or 62.5/125 micron of multimode 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 that sends data is all not more than 100 microseconds with the time interval that receives data.
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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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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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| 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 |
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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 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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| CN103513162B (en) | 2016-01-20 |
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