CN202929174U - High voltage circuit breaker on-line monitoring system - Google Patents
High voltage circuit breaker on-line monitoring system Download PDFInfo
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- CN202929174U CN202929174U CN 201220548069 CN201220548069U CN202929174U CN 202929174 U CN202929174 U CN 202929174U CN 201220548069 CN201220548069 CN 201220548069 CN 201220548069 U CN201220548069 U CN 201220548069U CN 202929174 U CN202929174 U CN 202929174U
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Abstract
The utility model provides a high voltage circuit breaker on-line monitoring system which belongs to the monitoring field of electric devices, and relates to the monitoring system which carries out far-end real-time on-line monitoring on a high voltage circuit breaker. The high voltage circuit breaker on-line monitoring system comprises an OLM monitoring device (1), a first fiber optic modem (2), a second fiber optic modem (3), an OLM server (4) and a computer with OLM software (5). The high voltage circuit breaker on-line monitoring system provided by the utility model can carry out real-time on-line monitoring on the running state of the circuit breaker. A user can carry out remote operation through the computer to understand the running state of the circuit breaker, and reasonably arranges a maintenance plan according to the running state of the circuit breaker.
Description
Technical field
The utility model relates to the monitoring field of power equipment, more particularly, relates to a kind of on-line monitoring system of primary cut-out.
Background technology
Primary cut-out is most important control and protection equipment in electric system, a large amount of primary cut-outs that use in generating plant and electric substation's power distribution equipment.Primary cut-out quantity in power station equipment is many, investment is large, and the reliability of its performance is directly connected to the safe operation of electric system.According to statistics, in change, distribution system, account for the power outage total degree more than 60 percent by the caused unplanned power outage of primary cut-out fault.Therefore, in order to predict early circuit breaker failure, isolating switch is carried out on-line monitoring, significant.The planned maintenance of maintenance mode and these two kinds of maintenance modes of trouble hunting of present isolating switch, the characteristics of scheduled overhaul mode are no matter whether isolating switch breaks down, the maintenance personal also can regularly open isolating switch and overhaul, scheduled overhaul mode blindness is large, not only cause man power and material's waste, and need circuit is had a power failure during scheduled overhaul, affected resident's life.The characteristics of trouble hunting mode are to only have when isolating switch breaks down and just overhaul, yet isolating switch quits work and may bring about great losses to electric system, and the safety of electric system also can be affected.Therefore, development is a kind of in the situation that do not need to have a power failure or just the break down isolating switch on-line monitoring system of signal that can the Real-Time Monitoring the High Voltage Circuit Breaker Condition of isolating switch seems necessary.Below with " OLM " expression on-line monitoring.
The utility model content
The technical problems to be solved in the utility model is the defects for prior art, a kind of primary cut-out on-line monitoring system is provided, native system can be realized the real time on-line monitoring of the High Voltage Circuit Breaker Condition and analysis, the user can carry out the running status that isolating switch is understood in operated from a distance by computing machine, according to the running status arranged rational turnaround plan of isolating switch.
the above-mentioned technical matters of the utility model solves like this, construct a kind of primary cut-out on-line monitoring system, it is characterized in that, comprise that being used for that several are connected with isolating switch gathers, process and transmit the OLM monitoring device of the monitoring parameter of isolating switch, first fibre optic modem that is used for digital signal is converted to light signal of input end is provided by the OLM monitoring device, second fibre optic modem that is used for light signal is converted to digital signal of input end is provided by the first fibre optic modem, the OLM server that is used for collecting and storing the Monitoring Data of isolating switch of input end is provided by the second fibre optic modem, the computing machine and the installation OLM software on computers that are used for the running status of isolating switch is carried out remote monitoring and analysis that are connected with the OLM server, described OLM monitoring device comprises the signal gathering unit for the monitoring parameter signal of collecting isolating switch, be used for described parameter signal is converted to the signal conversion unit of digital signal, CPU (central processing unit) for the treatment of digital signal, contact state collecting unit for the status information of obtaining the killer switch contact, be used for carrying out the transmission unit of data transmission between OLM monitoring device and OLM server.
In the above-mentioned primary cut-out on-line monitoring system of the utility model, described signal gathering unit comprises for the physical quantitys such as stroke being converted to the displacement transducer of corresponding electric signal, be used for measuring isolating switch divides/Hall current sensor of closing coil electric current and voltage, vibration signal when being used for killer switch is divided/closes converts the acceleration transducer of electric signal to, the temperature sensor that is used for measures ambient temperature and circuit breaker mechanism case internal temperature signal is used for measuring SF
6The density of gas and the SF of pressure signal
6Density sensor.
In the above-mentioned primary cut-out on-line monitoring system of the utility model, described CPU (central processing unit) comprises for calculate the data analysis subelement of monitoring numerical value according to the digital signal of signal conversion unit conversion, be used for judging whether monitor value surpasses the judgment sub-unit of default warning value, be used for generating the control signal generation subelement of corresponding control signal when monitor value surpasses the preset alarm value, be used for producing according to control signal the caution unit of corresponding alerting signal, be used for subelement is processed in the data packing of processing of packing of parameter signal and monitor value.
In the above-mentioned primary cut-out on-line monitoring system of the utility model, described OLM software comprises be used to the OLM mounting software that the OLM hardware parameter is set, and is used to the user that the OLM browser of the trend analysis of the download service of OLM server data and isolating switch Monitoring Data is provided.
In the above-mentioned primary cut-out on-line monitoring system of the utility model, described the first fibre optic modem and the second fibre optic modem are respectively the first optical fiber cable utility device and the second optical fiber cable utility device.
The enforcement the beneficial effects of the utility model are: 1) need not to have a power failure and can realize remote monitoring to the primary cut-out running status facilitating user's reasonable arrangement turnaround plan; 2) the utility model can be the trend-analysis curves figure that the user provides the monitoring parameter of primary cut-out; 3) the utility model adopts optical fiber to carry out the transmission of data between OLM monitoring device and OLM server, has improved the transfer rate of data between the two.
Description of drawings
Fig. 1 is the first structured flowchart of the isolating switch on-line monitoring system of middle use of the present utility model;
Fig. 2 is the second structured flowchart of the isolating switch on-line monitoring system of middle use of the present utility model;
Fig. 3 is the structured flowchart of OLM monitoring device of the isolating switch on-line monitoring system of middle use of the present utility model.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail:
As Fig. 1 and Fig. 2, in the primary cut-out on-line monitoring system, can connect by copper twisted pair cable or the optical fiber of shielding between OLM monitoring device 1, be connected and adopt the OLM-BUS communications protocol to carry out the transmission of data by optical fiber between OLM monitoring device 1 and OLM server 4.
as Fig. 3, CPU (central processing unit) 13 comprises for calculate the data analysis subelement 14 of monitoring numerical value according to the digital signal of signal conversion unit 12 conversions, be used for judging whether monitor value surpasses the judgment sub-unit 15 of default warning value, be used for generating the control signal generation subelement 16 of corresponding control signal when monitor value surpasses the preset alarm value, be used for producing according to control signal the caution unit 17 of corresponding alerting signal, be used for the pack data packing processed of parameter signal and monitor value is processed subelement 18 and is used for the transmission packing and the transmission unit 19 of the data processed.Signal gathering unit 6 comprises for the physical quantitys such as stroke being converted to the displacement transducer 10 of corresponding electric signal, vibration signal when being used for killer switch is divided/closes converts the acceleration transducer 9 of electric signal to, be used for to measure minute/Hall current sensor 8 of closing coil electric current and voltage, be used for measuring SF
6The SF of gas density and pressure
6Sensor 20 and the temperature sensor 11 that is used for measures ambient temperature and breaker structure case internal temperature signal.
When the primary cut-out monitoring system brings into operation, signal gathering unit 6 enabling signal collecting works.The signal of the isolating switch monitoring parameter that signal gathering unit 6 collects by the sensor comprise the physical quantity such as stroke electric signal, minute/closing coil electric current and voltage signal, vibration signal, environment temperature and circuit breaker mechanism case internal temperature signal and SF when killer switch divides/closes
6The density of gas and pressure signal, contact state collecting unit 7 can gather the status signal of the contacts such as the electric scaling loss degree of the switch contact that comprises isolating switch.the signal of the isolating switch monitoring parameter that signal gathering unit 6 and contact state collecting unit 7 gather is transferred to numerical analysis subelement 14 after converting digital signal to by signal conversion unit 12 again, numerical analysis subelement 14 calculates monitor value according to the digital signal after changing, judgment sub-unit 15 judges whether the gained monitor value surpasses the preset alert value, if monitor value exceeds warning value scope, control signal generates subelement 16 generation control signals and this signal is passed to warns unit 17, after receiving control signal, caution unit 17 produces alerting signal, the prompting user carries out relevant treatment.Processings of packing of 18 pairs of monitor values of subelement processed in data packings, and transmission unit 19 will be packed, and to be transferred to interface standard by the RS485 interface be the first fibre optic modem 2 or the first optical fiber cable utility device 21 that RS485 turns USB/RS232C for digital signal after processing.
After the first fibre optic modem 2 or the first optical fiber cable utility device 21 are received the digital signal of transmission unit 19 transmission, first convert digital signal to light signal, give the second fibre optic modem 3 or the second optical fiber cable utility device 22 with optical signal transmission again, the second fibre optic modem 3 or the second optical fiber cable utility device 22 convert the light signal that receives to digital signal, be the OLM server 4 of RS232C to interface standard by Optical Fiber Transmission, the digital signal of input is collected and is stored in SQL or MSAccess database by the OLM server software.The OLM mounting software is used for arranging the hardware parameter of OLM monitoring device, the sensor type that uses as OLM monitoring device 1 etc., and the user can arrange as required voluntarily.The user can read and download Monitoring Data in OLM server 4 by on computers OLM browser is installed, the OLM browser also has the function of the monitoring parameter of isolating switch being carried out trend analysis, can show on the screen of computing machine 5 that the analytic curve of monitoring parameter is for reference and analyze.The user carries out statistical study to downloading data and the trend analysis of the monitoring parameter that provides in conjunction with the OLM browser, can obtain the basic operation conditions of isolating switch, so that the reasonable arrangement maintenance schedule.The user also can arrange by the OLM browser and comprise mechanism case internal temperature, SF on observation interface
6The isoparametric normal parameter area with warning of gas density, the incidence of reduction burst accident.
The above is described embodiment of the present utility model by reference to the accompanying drawings; but the utility model is not limited to above-mentioned embodiment; above-mentioned embodiment is only schematic; rather than restrictive; those of ordinary skill in the art is under enlightenment of the present utility model; not breaking away from the scope situation that the utility model aim and claim protect, also can make a lot of forms, within these all belong to protection of the present utility model.
Claims (4)
1. primary cut-out on-line monitoring system, it is characterized in that, comprise that being used for that several are connected with isolating switch gathers, process and transmit the OLM monitoring device (1) of the monitoring parameter of isolating switch, first fibre optic modem (2) that is used for digital signal is converted to light signal of input end is provided by OLM monitoring device (1), second fibre optic modem (3) that is used for light signal is converted to digital signal of input end is provided by the first fibre optic modem (2), the OLM server (4) that is used for collecting and storing the Monitoring Data of isolating switch of input is provided by the second fibre optic modem (3), the computing machine (5) that being used for of being connected with OLM server (4) carried out remote monitoring and analysis to the running status of isolating switch, described OLM monitoring device (1) comprises the signal gathering unit (6) for the monitoring parameter signal of collecting isolating switch, be used for described parameter signal is converted to the signal conversion unit (12) of digital signal, the CPU (central processing unit) (13) that is used for digital signal processing, contact state collecting unit (7) for the status information of obtaining the killer switch contact, be used for carrying out the transmission unit (19) of data transmission between OLM monitoring device (1) and OLM server (4).
2. primary cut-out on-line monitoring system according to claim 1, it is characterized in that, described signal gathering unit (6) comprises for the displacement transducer (10) that the physical quantitys such as stroke is converted to corresponding electric signal, be used for measuring isolating switch divides/Hall current sensor (8) of closing coil electric current and voltage, vibration signal when being used for killer switch is divided/closes converts the acceleration transducer (9) of electric signal to, the temperature sensor (11) that is used for measures ambient temperature and circuit breaker mechanism case internal temperature signal is used for measuring SF
6The density of gas and the SF of pressure signal
6Density sensor (20).
3. primary cut-out on-line monitoring system according to claim 2, it is characterized in that, described CPU (central processing unit) (13) comprises for calculate the data analysis subelement (14) of monitoring numerical value according to the digital signal of signal conversion unit (12) conversion, be used for judging whether monitor value surpasses the judgment sub-unit (15) of default warning value, be used for generating the control signal generation subelement (16) of corresponding control signal when monitor value surpasses the preset alarm value, be used for producing according to control signal the caution unit (17) of corresponding alerting signal, be used for subelement (18) is processed in the data packing of processing of packing of parameter signal and monitor value.
4. primary cut-out on-line monitoring system according to claim 3, it is characterized in that, described the first fibre optic modem (2) and the second fibre optic modem (3) are respectively the first optical fiber cable utility device (21) and the second optical fiber cable utility device (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220548069 CN202929174U (en) | 2012-10-24 | 2012-10-24 | High voltage circuit breaker on-line monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220548069 CN202929174U (en) | 2012-10-24 | 2012-10-24 | High voltage circuit breaker on-line monitoring system |
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| Publication Number | Publication Date |
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| CN202929174U true CN202929174U (en) | 2013-05-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220548069 Expired - Fee Related CN202929174U (en) | 2012-10-24 | 2012-10-24 | High voltage circuit breaker on-line monitoring system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105510822A (en) * | 2016-01-05 | 2016-04-20 | 广东电网有限责任公司电力科学研究院 | Fiber channel transmission composite sensing device for high voltage circuit breaker operating mechanism detection |
| CN106885987A (en) * | 2017-04-13 | 2017-06-23 | 国网宁夏电力公司吴忠供电公司 | A kind of high voltage isolator on-line monitoring system based on modal analysis method |
| 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 |
| CN109085495A (en) * | 2018-07-11 | 2018-12-25 | 杭州申发电气有限公司 | A kind of monitoring and diagnosis method and system of breaker Internet of Things information system |
| CN109188260A (en) * | 2018-08-01 | 2019-01-11 | 国网浙江省电力有限公司绍兴供电公司 | A kind of breaker actuation behavioural analysis device based on fuel factor and electric characteristic amount |
-
2012
- 2012-10-24 CN CN 201220548069 patent/CN202929174U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105510822A (en) * | 2016-01-05 | 2016-04-20 | 广东电网有限责任公司电力科学研究院 | Fiber channel transmission composite sensing device for high voltage circuit breaker operating mechanism detection |
| CN106885987A (en) * | 2017-04-13 | 2017-06-23 | 国网宁夏电力公司吴忠供电公司 | A kind of high voltage isolator on-line monitoring system based on modal analysis method |
| 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 |
| 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 |
| CN109085495A (en) * | 2018-07-11 | 2018-12-25 | 杭州申发电气有限公司 | A kind of monitoring and diagnosis method and system of breaker Internet of Things information system |
| CN109188260A (en) * | 2018-08-01 | 2019-01-11 | 国网浙江省电力有限公司绍兴供电公司 | A kind of breaker actuation behavioural analysis device based on fuel factor and electric characteristic amount |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130508 Termination date: 20151024 |
|
| EXPY | Termination of patent right or utility model |