CN103869239A - On-line monitoring device for high-voltage circuit breaker - Google Patents
On-line monitoring device for high-voltage circuit breaker Download PDFInfo
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- CN103869239A CN103869239A CN201210552460.6A CN201210552460A CN103869239A CN 103869239 A CN103869239 A CN 103869239A CN 201210552460 A CN201210552460 A CN 201210552460A CN 103869239 A CN103869239 A CN 103869239A
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Abstract
The invention provides an on-line monitoring device for a high-voltage circuit breaker. The on-line monitoring device comprises a sensor module and an on-line high-voltage circuit breaker monitoring unit, wherein the on-line high-voltage circuit breaker monitoring unit comprises a single-chip microcomputer module, a communication module, a human-machine interaction module and an alarming module; the single-chip microcomputer module is a functional module and is integrated with a data amplification module, a filtering module, an A/D (analog/digital) conversion module, a micro processor module, a fault diagnosis module and an interface module. The on-line monitoring device for the high-voltage circuit breaker performs real-time monitoring according to switch on and switch off current of the circuit breaker and state information such as a travel mechanical characteristic of a main contact, so that the definite state information can be supplied in real time, and local digitalization, remote networking and monitoring and prewarning automation are realized; therefore the reliability of running of the circuit breaker is improved. The device can comprehensively, scientifically and accurately monitor a real-time running state of the high-voltage circuit breaker on line, effectively avoid strong electromagnetic interference and completely and safely send data to a monitoring terminal.
Description
Technical field
The invention belongs to isolating switch on-line monitoring technique field in power industry, relate in particular to a kind of primary cut-out on-Line Monitor Device.
Background technology
In this year, more domestic units and producer are also in the work of carrying out aspect breaker mechanic property monitoring and fault diagnosis.Jilin Electricity Administration Bureau in 1992 once set up the project " monitoring of breaker mechanic property "; DianKeYuan switch research institute of China has succeeded in developing KZC-1 type primary cut-out on-line monitoring instrument for 1994; Nineteen ninety-five, Tsing-Hua University's high pressure teaching and research room developed CBA-1 primary cut-out mechanical parameter measuring and analysis system, this system can monitor and close/switching winding electric current, stroke-time response curve and vibration signal, and research work now is mainly carried out round circuit-breaker status maintenance.Along with going deep into of research, the mechanical characteristic of high-voltage circuit breaker on-Line Monitor Device of all successively having produced own needs, but all exist the problem that can only monitor one of them or several mechanical property parameter, the applicability of monitoring result and the monitoring method of some projects are still very undesirable.In a word, from present status in China, isolating switch does not also form fairly perfect on-line monitoring system.
Traditional primary cut-out on-Line Monitor Device is mainly to breaker mechanical number of operations, the isoparametric monitoring of switch accumulated running time, the function ratio of most monitoring devices is more single, only the similar parameter of a kind of equipment or plurality of devices is monitored, well fault diagnosis technology and on-line monitoring technique are not combined, the warning and analyzing and diagnosing only limits to exceed standard, concrete detailed analyzing and diagnosing is completed by laboratory technician substantially, and accuracy is not high, and efficiency is low.
Summary of the invention
The problem to be solved in the present invention is to provide a kind of primary cut-out on-Line Monitor Device of high reliability, and fault diagnosis technology and on-line monitoring technique are combined.
For solving the problems of the technologies described above, the technical solution used in the present invention is: a kind of primary cut-out on-Line Monitor Device, comprise sensor assembly and primary cut-out on-line monitoring unit, sensor assembly is connected with primary cut-out on-line monitoring unit, primary cut-out on-line monitoring unit comprises one-chip computer module, communication module, human-computer interaction module, alarm module, one-chip computer module is by communication module and human-computer interaction module, alarm module connects, described one-chip computer module is a functional module, be integrated with data amplification module, filtration module, A/D modular converter, microprocessor module, fault diagnosis module, interface module.
Further, described sensor assembly comprises one or more the combination in temperature sensor, pressure transducer, humidity sensor, current sensor, vibration transducer, photoelectric stroke sensor, the micro-water sensor of SF6, density sensor.
Further, described communication module comprises fieldbus, and described fieldbus is chosen as CAN bus, ZigBee or RS-422/485 bus.
Further, described fault diagnosis module comprises primary cut-out intelligent trouble diagnosis expert system.
Further, described human-computer interaction module comprises display screen, keyboard.
Further, described interface module can be a kind of module in SPI interface module, UART interface module or the combination of two kinds of modules.
Advantage and good effect that the present invention has are: the present invention is by carrying out Real-Time Monitoring, comprehensively judgement to status informations such as isolating switch SF6, divide-shut brake electric current and main contact stroke mechanical properties to the running status of primary cut-out, to diagnose its mechanical property and running status, provide in real time clear and definite status information, and realize local digital, Remote Networked, monitoring and early warning robotization, thereby improve isolating switch reliability of operation; This device can be comprehensive, scientifical, the real-time running state of on-line monitoring primary cut-out accurately, and effectively avoided powerful electromagnetic interference (EMI), complete, safely data are driven to monitoring terminal.
Brief description of the drawings
Fig. 1 is primary cut-out on-line monitoring unit picture group
Fig. 2 is one-chip computer module picture group
Fig. 3 is primary cut-out on-line monitoring schematic diagram
Embodiment
The invention provides a kind of primary cut-out on-Line Monitor Device, comprise sensor assembly and primary cut-out on-line monitoring unit, sensor assembly is connected with primary cut-out on-line monitoring unit; As shown in Figure 1, primary cut-out on-line monitoring unit comprises one-chip computer module, communication module, human-computer interaction module, alarm module, and one-chip computer module is connected with human-computer interaction module, alarm module by communication module; As shown in Figure 2, one-chip computer module is a functional module, is integrated with data amplification module, filtration module, A/D modular converter, microprocessor module, fault diagnosis module, interface module.
In the present embodiment, sensor assembly comprises temperature sensor, pressure transducer, humidity sensor, current sensor, photoelectric stroke sensor, the micro-water sensor of SF6, density sensor; Fieldbus is selected RS-485 bus; Fault diagnosis module is provided with primary cut-out intelligent trouble diagnosis expert system; Human-computer interaction module comprises display screen, keyboard, and interface module is the combination of what UART interface module of SPI interface module.
As shown in Figure 3, in the present embodiment, the principle of primary cut-out on-Line Monitor Device is: sensor assembly collection site information data, as temperature, pressure, humidity etc., and these field datas are amplified, filtering, then by analog-to-digital conversion module, field data data are changed into the data that one-chip computer module can be identified, now microprocessor module is to data analysis, and then the current degree of risk working on of judgment device, and analysis result is presented on display screen, if there is anomalous event, reported to the police by warning device, and draw concrete failure cause and position.This on-Line Monitor Device, as a substation of Modbus, has been opened Serial data receiving interruption at the beginning of program operation, to receive the load instruction in Modbus main website.
One, installation of sensors principle of the present invention
(1) detailed process of understanding isolating switch work with and the form of expression under normal and abnormal condition, for basis is carried out in the judgement of data;
(2) installation method and the judgment criteria of understanding isolating switch air chamber sensor;
(3) understand the machinery formation of breaker driving mechanism, and design several covers soft support flexibly, on soft support, by regulating three-dimensional position to arrange, required sensor is installed.
Two, the signal condition of sensor
(1) complete the amplitude adjustment of electric current, voltage, signal; guarantee that signal can be to be sent under the state of ultimate resolution in analog to digital conversion interface; consider that these signals may be subject to serious interference simultaneously, thus this part signal need to do isolate, the protection such as filtration, overvoltage.
Holding circuit principle: because the signal of input may seal in high voltage signal, the easy like this chip that punctures, thus limit and seal in high-voltage signal and enter in circuit by restriction input voltage or light partition method, and then holding circuit.
The antijamming capability design concept of control system: allow running software equilibrium state, and then guarantee that system can be because unexpected signal enters an endless loop.
The antijamming capability design concept of power supply: because power supply input may exist undesired signal, and cause the loop of power supply control to have problem, so the input signal gathering is limited, undesirable signal is filtered out.
(2) collection of data and analysis
The voltage of setting during according to the sampling precision of circuit design AD and full scale, by the signal of input in meeting minimum resolution, by the amplification to signal with dwindle to improve the sampling precision of signal;
Built-in part: ensure the three-phase synchronous sampling of isolating switch, and realize real-time analysis by hardware, valid data are saved, by hyperchannel multichannel buffer technology, equipment is monitored, draw basic judgement;
Network interface data division: complete the collection to data such as the micro-water of SF6, density by RS-485 bus, the IEC618509-2 standard of installing from MU by fiber optic Ethernet is obtained primary circuit electric current;
Tcp data segment: the message structure of data as server, responds the requirement of station level according to the requirement of IEC61850 specification at any time, and support the file service based on MMS;
Intelligentized management software part: bring in and obtain field data as client according to the requirement of IEC61850 specification by Ethernet, realize accurately, report to the police timely by the data processing of high-intelligentization and data analysis flexibly; Complete each calling to on-the-spot Wave data by file service function, and called data are carried out to the Accurate Analysis of more multi-layered time.
In sum, the present invention is compared with traditional on-Line Monitor Device, and this on-Line Monitor Device is a complete monitoring system, in the situation that communication is interrupted completely, this device still can establish one's own system, and departs from the dependence to host computer, completes the on-line monitoring function to primary cut-out; Meanwhile, this on-Line Monitor Device has also retained the advantage of traditional on-Line Monitor Device,, in the time that host computer is called, can transmit in real time the required data of host computer, also can only transmit the diagnostic result of one-chip computer module.
Above one embodiment of the present of invention are had been described in detail, but described content is only preferred embodiment of the present invention, can not be considered to for limiting practical range of the present invention.All equalization variation and improvement etc. of doing according to the present patent application scope, within all should still belonging to patent covering scope of the present invention.
Claims (5)
1. a primary cut-out on-Line Monitor Device, comprise sensor assembly and primary cut-out on-line monitoring unit, sensor assembly is connected with primary cut-out on-line monitoring unit, described primary cut-out on-line monitoring unit comprises one-chip computer module, communication module, human-computer interaction module, alarm module, one-chip computer module is by communication module and human-computer interaction module, alarm module connects, it is characterized in that: described one-chip computer module is a functional module, be integrated with data amplification module, filtration module, A/D modular converter, microprocessor module, fault diagnosis module, interface module.
2. primary cut-out on-Line Monitor Device according to claim 1, is characterized in that: described sensor assembly comprises one or more the combination in temperature sensor, pressure transducer, humidity sensor, current sensor, vibration transducer, photoelectric stroke sensor, the micro-water sensor of SF6, density sensor.
3. primary cut-out on-Line Monitor Device according to claim 1, is characterized in that: described communication module comprises fieldbus, described fieldbus is chosen as CAN bus, ZigBee or RS-422/485 bus.
4. primary cut-out on-Line Monitor Device according to claim 1, is characterized in that: described human-computer interaction module comprises display screen, keyboard.
5. primary cut-out on-Line Monitor Device according to claim 1, is characterized in that: described interface module can be a kind of module in SPI interface module, UART interface module or the combination of two kinds of modules.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210552460.6A CN103869239A (en) | 2012-12-17 | 2012-12-17 | On-line monitoring device for high-voltage circuit breaker |
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| CN201210552460.6A CN103869239A (en) | 2012-12-17 | 2012-12-17 | On-line monitoring device for high-voltage circuit breaker |
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| CN103869239A true CN103869239A (en) | 2014-06-18 |
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| CN201210552460.6A Pending CN103869239A (en) | 2012-12-17 | 2012-12-17 | On-line monitoring device for high-voltage circuit breaker |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104500968A (en) * | 2014-11-27 | 2015-04-08 | 国网河南省电力公司平顶山供电公司 | SF6 circuit breaker remote control online gas-replenishing and gas-bleeding system |
| CN105158685A (en) * | 2015-06-25 | 2015-12-16 | 国家电网公司 | Detection method, apparatus and system for breaker |
| CN105953911A (en) * | 2016-05-16 | 2016-09-21 | 湖南科技大学 | Vibration sensor used for monitoring mechanical fault of high-voltage circuit breaker |
| CN107544002A (en) * | 2016-06-23 | 2018-01-05 | Wika亚历山大·威甘德欧洲股份两合公司 | Sensing system for controller switching equipment |
| CN107966651A (en) * | 2016-10-20 | 2018-04-27 | 国网新疆电力公司疆南供电公司 | A kind of DC micro breaker operating characteristic detection device |
| CN108051735A (en) * | 2017-11-22 | 2018-05-18 | 国网湖南省电力有限公司 | A kind of high-voltage circuitbreaker fills air pressure transient amount detection systems and its application process |
| CN108120925A (en) * | 2018-03-02 | 2018-06-05 | 湖南科技大学 | Real-time operating state monitoring system for HV breaker based on CAN bus |
| CN109765040A (en) * | 2019-01-03 | 2019-05-17 | 广州供电局有限公司 | The mechanical property on-line monitoring system of breaker |
| CN109870960A (en) * | 2019-03-21 | 2019-06-11 | 广东电网有限责任公司 | A kind of intelligent breaker device based on MEMS |
| CN110346717A (en) * | 2019-08-28 | 2019-10-18 | 杨启蓓 | A kind of artificial intelligence high-voltage circuitbreaker on-line monitoring system and method |
| CN111044896A (en) * | 2019-12-23 | 2020-04-21 | 云南恒协科技有限公司 | Strut type circuit breaker on-line monitoring system |
-
2012
- 2012-12-17 CN CN201210552460.6A patent/CN103869239A/en active Pending
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104500968A (en) * | 2014-11-27 | 2015-04-08 | 国网河南省电力公司平顶山供电公司 | SF6 circuit breaker remote control online gas-replenishing and gas-bleeding system |
| CN105158685A (en) * | 2015-06-25 | 2015-12-16 | 国家电网公司 | Detection method, apparatus and system for breaker |
| CN105953911A (en) * | 2016-05-16 | 2016-09-21 | 湖南科技大学 | Vibration sensor used for monitoring mechanical fault of high-voltage circuit breaker |
| CN107544002A (en) * | 2016-06-23 | 2018-01-05 | Wika亚历山大·威甘德欧洲股份两合公司 | Sensing system for controller switching equipment |
| CN107544002B (en) * | 2016-06-23 | 2021-12-28 | Wika亚历山大·威甘德欧洲股份两合公司 | Sensor system for electrical distribution equipment |
| CN107966651A (en) * | 2016-10-20 | 2018-04-27 | 国网新疆电力公司疆南供电公司 | A kind of DC micro breaker operating characteristic detection device |
| CN108051735B (en) * | 2017-11-22 | 2020-08-07 | 国网湖南省电力有限公司 | High-voltage circuit breaker charging air pressure transient state quantity detection system and application method thereof |
| CN108051735A (en) * | 2017-11-22 | 2018-05-18 | 国网湖南省电力有限公司 | A kind of high-voltage circuitbreaker fills air pressure transient amount detection systems and its application process |
| CN108120925A (en) * | 2018-03-02 | 2018-06-05 | 湖南科技大学 | Real-time operating state monitoring system for HV breaker based on CAN bus |
| CN109765040A (en) * | 2019-01-03 | 2019-05-17 | 广州供电局有限公司 | The mechanical property on-line monitoring system of breaker |
| CN109870960A (en) * | 2019-03-21 | 2019-06-11 | 广东电网有限责任公司 | A kind of intelligent breaker device based on MEMS |
| CN110346717A (en) * | 2019-08-28 | 2019-10-18 | 杨启蓓 | A kind of artificial intelligence high-voltage circuitbreaker on-line monitoring system and method |
| CN111044896A (en) * | 2019-12-23 | 2020-04-21 | 云南恒协科技有限公司 | Strut type circuit breaker on-line monitoring system |
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Application publication date: 20140618 |