CN203479988U - On-line monitoring system for breakers - Google Patents
On-line monitoring system for breakers Download PDFInfo
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- CN203479988U CN203479988U CN201320352672.XU CN201320352672U CN203479988U CN 203479988 U CN203479988 U CN 203479988U CN 201320352672 U CN201320352672 U CN 201320352672U CN 203479988 U CN203479988 U CN 203479988U
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Abstract
The utility model provides an on-line monitoring system for breakers, belongs to the monitoring field of electric devices, and relates to an on-line monitoring system capable of remotely monitoring breakers in real time. The on-line monitoring system for the breakers includes a breaker monitoring device (1) which is used for acquiring monitoring signals of the breakers and extracting monitoring data, a server (4) which is used for storing the monitoring data, and a terminal device (5) which is used for reading the monitoring data in the server (4), extracting monitoring parameters and assessing and monitoring running status of the breakers according to the monitoring parameters. The on-line monitoring system for the breakers can carry out remote, real-time and on-line monitoring on running status of the breakers. A user can read the monitoring data in the server (4) and process the monitoring data through the terminal device (5) to know running status of the breakers, and make a reasonable arrangement for overhaul according to the running status of the breakers.
Description
Technical field
The utility model relates to the monitoring field of power equipment, more particularly, relates to a kind of isolating switch on-line monitoring system.
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, by the caused unplanned power outage of primary cut-out fault, account for power outage total degree more than 60 percent.Therefore, in order to predict early circuit breaker failure, isolating switch is carried out to on-line monitoring, significant.The planned maintenance of maintenance mode and these two kinds of maintenance modes of trouble hunting of current isolating switch, the feature of scheduled overhaul mode is that no matter whether isolating switch breaks down, maintenance personal also can regularly open isolating switch and overhaul.Scheduled overhaul mode blindness is large, not only causes man power and material's waste, and during scheduled overhaul, needs circuit to have a power failure, and has affected resident's life.The feature of trouble hunting mode is to only have when isolating switch breaks down and just overhauls.Yet isolating switch quits work and may cause electric system to run well, the safety of electric system also can be affected, overhaul and fix a breakdown before may cause massive losses.Therefore, develop a kind of signal that just can Real-Time Monitoring the High Voltage Circuit Breaker Condition without power-off, and work is not subject to the isolating switch on-line monitoring system of the fault effects of isolating switch own to seem necessary.
Utility model content
The technical problems to be solved in the utility model is the above-mentioned defect for prior art, a kind of isolating switch 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 assessment, user can carry out the running status that isolating switch is understood in operated from a distance by terminal device, 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 isolating switch on-line monitoring system, comprise that a plurality of with monitored isolating switch is connected, for monitoring the duty of described isolating switch, gather the monitor signal corresponding with the duty of described isolating switch, and extract the circuit breakers monitoring device of the Monitoring Data in described monitor signal, be connected with described a plurality of circuit breakers monitoring device, for receiving and store the server of the Monitoring Data of described circuit breakers monitoring device, and be connected with described server, for reading the Monitoring Data of described server, and this Monitoring Data is processed and obtained the terminal device of the running status of isolating switch.
In the above-mentioned isolating switch on-line monitoring system of the utility model, described circuit breakers monitoring device comprises signal gathering unit for gathering the monitor signal of described isolating switch, is connected with described signal gathering unit, for the monitor signal of described signal gathering unit collection is processed, with obtain described isolating switch Monitoring Data signal processing unit and be connected with described signal processing unit, for carry out the transmission unit of data transmission between described circuit breakers monitoring device and described server.
In the above-mentioned isolating switch on-line monitoring system of the utility model, described signal gathering unit comprises for gathering the displacement transducer of displacement signal of the contact of described isolating switch, for gathering the Hall current sensor of the current signal of the divide/closing coil current signal of described isolating switch and the energy storage motor of isolating switch, vibration signal while being used for described killer switch to divide/close converts the acceleration transducer of electric signal to, for measuring the temperature sensor of described circuit breaker mechanism case internal temperature signal, and for measuring the current transformer of the primary current signal of described isolating switch.
In the above-mentioned isolating switch on-line monitoring system of the utility model, described signal processing unit comprises with described signal gathering unit and being connected, for the signal processing circuit of the monitor signal of described data acquisition unit collection being amplified and filtering is processed, be connected with described signal processing circuit, for the monitor signal after processing being converted to the A/D change-over circuit of digital signal, be connected with described A/D change-over circuit, for extracting the data processing circuit of the Monitoring Data of this digital signal, and be connected with described data processing circuit, for storing the 3rd memory module of this Monitoring Data.
In the above-mentioned isolating switch on-line monitoring system of the utility model, described isolating switch on-line monitoring system also comprises with described circuit breakers monitoring device and being connected, for the chromacoder that the output signal of described circuit breakers monitoring device is changed and transmitted.
In the above-mentioned isolating switch on-line monitoring system of the utility model, described chromacoder comprises with described transmission unit and being connected, for receiving the digital signal of described transmission unit, and this digital signal is converted to the first photoelectric commutator of light signal and is connected with described the first photoelectric commutator, for receiving the light signal of described the first photoelectric commutator, and this light signal is converted to the second photoelectric commutator of digital signal.
In the above-mentioned isolating switch on-line monitoring system of the utility model, described server comprises with described the second photoelectric commutator and being connected, for receive described circuit breakers monitoring device Monitoring Data first communication module, be connected with described first communication module, for the treatment of described circuit breakers monitoring device, be connected to the CPU of the request of access of described server and with described CPU with described terminal device, for storing the first memory module of described Monitoring Data.
In the above-mentioned isolating switch on-line monitoring system of the utility model, described terminal device comprises with the described first communication module of described server and being connected, for receiving the second communication module of the Monitoring Data of described server, be connected with described second communication module, for extracting the monitoring parameter that this Monitoring Data characterizes the operation conditions of described isolating switch, and this monitoring parameter and default rudimentary warning threshold or senior warning threshold are compared, with this, assess the diagnostic module of the running status of described isolating switch, be connected with described diagnostic module, while surpassing this rudimentary warning threshold for the value when this monitoring parameter, provide warning prompt, maybe when surpassing this senior warning threshold, the value of this monitoring parameter provides the prompting module of alarm, be connected with described diagnostic module, for storing the second memory module of the diagnostic result of described diagnostic module, and be connected with described diagnostic module, for showing the display module of the diagnostic result of described diagnostic module.
Enforcement the beneficial effects of the utility model are: 1) isolating switch on-line monitoring system of the present utility model can be realized the remote monitoring to the running status of isolating switch without power failure in the situation that, and the trend-analysis curves figure that provides the running status of isolating switch for user, facilitate user to formulate the turnaround plan of isolating switch; 2) the utility model isolating switch on-line monitoring system can also provide for user the warning function of the High Voltage Circuit Breaker Condition, adventurous isolating switch is shown and produces alarm signal at the enterprising rower of display device and point out user, has reduced the rate of breakdown of isolating switch; 3) the utility model adopts optical fiber to carry out the transmission of data between circuit breakers monitoring device and server, has improved the transfer rate of data between the two; 4) user, without the Monitoring Data of coming to monitoring field personally and read isolating switch, only carries out associative operation by terminal devices such as portable computer or mobile phones, can realize the understanding of the running status of isolating switch and control.
Accompanying drawing explanation
The first structured flowchart of the isolating switch on-line monitoring system that Fig. 1 provides for first preferred embodiment of the present utility model;
The second structured flowchart of the isolating switch on-line monitoring system that Fig. 2 provides for second preferred embodiment of the present utility model;
The structured flowchart of the circuit breakers monitoring device in the isolating switch on-line monitoring system that Fig. 3 provides for the of the present utility model above-mentioned first or second preferred embodiment;
The structured flowchart of the server in the isolating switch on-line monitoring system that Fig. 4 provides for the of the present utility model above-mentioned first or second preferred embodiment;
The structured flowchart of the terminal device in the isolating switch on-line monitoring system that Fig. 5 provides for the of the present utility model above-mentioned first or second preferred embodiment.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail:
As depicted in figs. 1 and 2, in isolating switch on-line monitoring system of the present utility model, comprise that a plurality of with monitored isolating switch is connected, for monitoring the duty of this isolating switch, gather the monitor signal corresponding with the duty of this isolating switch, and extract the circuit breakers monitoring device 1 of the Monitoring Data in this monitor signal, be connected with this circuit breakers monitoring device 1, for the chromacoder 25 that the output signal of this circuit breakers monitoring device 1 is carried out to signal conversion and transmission, be connected with this chromacoder 25, for receiving and store the server 4 of Monitoring Data, and be connected with this server 4, for reading the terminal device 5 of the Monitoring Data of this server 4.This terminal device 5 is by wireless Internet access services device 4 and read the Monitoring Data that is stored in this server 4, extract the monitoring parameter that characterizes the operation conditions of isolating switch in this Monitoring Data, and according to the monitoring parameter extracting, the running status of isolating switch is monitored and assessed, provide diagnostic result and the corresponding solution of the High Voltage Circuit Breaker Condition.This chromacoder 25 comprises with the transmission unit 17 of circuit breakers monitoring device 1 and being connected, for the digital signal of these transmission unit 17 outputs is converted to the first photoelectric commutator 2 of light signal and is connected with this first photoelectric commutator 2, for light signal being converted to the second photoelectric commutator 3 of digital signal.
Wherein, between the plurality of circuit breakers monitoring device 1, can connect by copper twisted pair cable (as shown in the first embodiment of Fig. 1) or the optical fiber (as shown in the second embodiment of Fig. 2) of shielding, and by optical fiber, be connected between the plurality of circuit breakers monitoring device 1 and server 4.This server 4 can be placed in isolating switch monitoring field, is integrated in a casing with circuit breakers monitoring device 1.In the utility model, this terminal device 5 can be existing intelligent terminal, comprises desktop computer or notebook computer or smart mobile phone, and the quantity of this terminal device 5 is unrestricted.
As shown in Figure 3, this circuit breakers monitoring device 1 comprises signal gathering unit 6 for gathering the monitor signal corresponding with the duty of monitored isolating switch, is connected with this signal gathering unit 6, for the monitor signal that this signal gathering unit 6 is gathered, process, with obtain Monitoring Data signal processing unit 12, be connected with this signal processing unit 12, for the Monitoring Data of this signal processing unit 12 storages being transferred to the transmission unit 17 of server 4.
This signal gathering unit 6 comprise for gather monitored isolating switch contact displacement signal displacement transducer 11, for gather this isolating switch minute/closing coil current signal, and the Hall current sensor 8 of the current signal of the energy storage motor of this isolating switch, the vibration signal when this killer switch is divided/closes convert to electric signal acceleration transducer 9, for measure this circuit breaker mechanism case internal temperature signal temperature sensor 7 and for measuring the current transformer 10 of the primary current signal of this isolating switch.
This signal processing unit 12 comprises that the monitor signal for this data acquisition unit 6 is gathered amplifies the signal processing circuit 13 processed with filtering, is connected with this signal processing circuit 13, for the monitor signal after processing is converted to digital signal A/D change-over circuit 14, be connected with this A/D change-over circuit 14, for extract above-mentioned digital signal Monitoring Data data processing circuit 15 and be connected with this data processing circuit 15, for storing the 3rd memory module 16 of this Monitoring Data.This signal processing unit 12 is connected with transmission unit 17 by data processing circuit 15.This data processing circuit 15 can be existing DSP or the mobile processor based on ARM framework.
As shown in Figure 4, this server 4 comprises with signal conversion module 25 and being connected, for receive circuit breakers monitoring device 1 Monitoring Data first communication module 18, be connected with this first communication module, for the treatment of the CPU26 of the request of access of 5 pairs of servers 4 of circuit breakers monitoring device 1 and terminal device, be connected with this CPU26, for storing the first memory module 19 of the Monitoring Data that this first communication module 18 receives.This CPU26 can be existing server CPU, and this first memory module 19 can be existing server hard disc, and this first communication module 18 can be existing server network interface card.
As shown in Figure 5, this terminal device 5 comprises with the first communication module 18 of this server 4 and being connected, for receiving the second communication module 20 of the Monitoring Data of these server 4 storages, be connected with this second communication module 20, for extracting Monitoring Data that this second communication module 20 receives, characterize the monitoring parameter of isolating switch working condition, and this monitoring parameter and preset alert value or alarming value are compared, and according to comparative result, the running status of isolating switch is assessed, provide the diagnostic module 21 of diagnostic result of the working condition of isolating switch, be connected with this diagnostic module 21, for the value of the monitoring parameter that extracts when this diagnostic module 21, provide warning prompt during over this warning value, the value of the characteristic parameter maybe extracting when this diagnostic module 21 provides the prompting module 22 of alarm while surpassing this alarming value, be connected with this diagnostic module 21, for storing the second memory module 24 of the diagnostic result of this diagnostic module 21, be connected with this diagnostic module 21, for showing the display module 23 of the diagnostic result of this diagnostic module 21.This diagnostic module 21 can be existing computer processor or the mobile processor based on ARM framework, and this display module 23 can be existing liquid crystal display, and the 3rd memory module 16 can be existing hard disk or flash memory.
In the utility model isolating switch on-line monitoring system, this isolating switch monitoring modular 1 is for carrying out real time on-line monitoring to the operation conditions of isolating switch, the monitor signal that collection processing are corresponding with the duty of monitored isolating switch, extracts the Monitoring Data in this monitor signal.This monitor signal comprise isolating switch primary current signal, minute/current signal of closing coil, the current signal of energy storage motor, and the temperature signal of circuit breaker mechanism case inside.This server 4 is stored in the first memory module 19 for the Monitoring Data that isolating switch monitoring modular 1 is obtained.This terminal device 5 first sends request of access by first communication module 18 to this server 4.After obtaining the access rights of server 4, this terminal device 5 reads the Monitoring Data that this server 5 is stored, and extracts in this Monitoring Data for characterizing the monitoring parameter of the running status of isolating switch.This terminal device 5 further compares the monitoring parameter of this extraction and preset alert value or alarming value, and the working condition that judges monitored isolating switch according to comparative result, the mechanical wear situation of the scaling loss state of the contact of isolating switch, energy storage motor and divide/switching-on mechanism is assessed.User, by the use of the utility model isolating switch on-line monitoring system, can find the hidden fault of monitored isolating switch in time.User can, under the prompting of the cue of the utility model isolating switch on-line monitoring system, anticipate the isolating switch that running status is not good, to prevent trouble before it happens.
The principle of work of the utility model isolating switch on-line monitoring system is as follows:
After the operation of the utility model isolating switch on-line monitoring system, the collecting work that isolating switch monitoring modular 1 starts the monitor signal of monitored isolating switch by signal gathering unit 6.Signal gathering unit 6 gathers the monitor signal corresponding with the duty of isolating switch by sensors such as Hall current sensor 8, displacement transducer 11, temperature sensor 7, acceleration transducer 9 summation current transformers 10.This monitor signal comprise isolating switch minute/closing coil current signal is, vibration signal when dividing/closing of current signal, the killer switch of the energy storage motor of isolating switch and the temperature signal of circuit breaker mechanism case inside.The monitor signal that signal gathering unit 6 gathers is amplified, after filtering processes, then is carried out analog to digital conversion by 14 pairs of these monitor signals of A/D change-over circuit by signal processing circuit 13.This A/D change-over circuit 14 sends to data processing circuit 15 after converting monitor signal to digital signal.The digital signal that data processing circuit 15 receives by 14 conversions of A/D change-over circuit, extracts the Monitoring Data in this digital signal, and Monitoring Data is stored in to the 3rd memory module 16.This data processing circuit 15 can periodically send to server 4 by the Monitoring Data in the 3rd memory module 16 by transmission unit 17, or when this data processing circuit 15 judges the memory space inadequate of the 3rd memory modules 16, then the Monitoring Data in the 3rd memory module 16 is sent to server 4 by transmission unit 17.When data processing circuit 15 receives that when Monitoring Data is transferred to the instruction of server 4, this data processing circuit 15 sends to transmission unit 19 by the digital signal that comprises Monitoring Data.It is the first photoelectric commutator 2 that RS485 turns USB/RS232C that transmission unit 19 is transferred to interface standard by the digital signal that comprises Monitoring Data by RS485 interface.This first photoelectric commutator 2 receives the digital signal of transmission unit 19 transmission, converts this digital signal to light signal, then by optical signal transmission, gives the second photoelectric commutator 3 by optical fiber.The second photoelectric commutator 3 receiving optical signals, and convert light signal to digital signal, the server 4 that is RS232C to interface standard by Optical Fiber Transmission.Server 4 passes through first communication module 19 receiving digital signals, and Monitoring Data is stored in to the second memory module 19.
User can move the isolating switch on-line monitoring software on terminal device 5, shows isolating switch on-line monitoring interface on the display module 23 of terminal device 5.User carries out associative operation under this isolating switch on-line monitoring interface, to server 4, sends remote access request, to read the Monitoring Data in server 4.Required Monitoring Data in the first Download Server 4 of user, by this isolating switch on-line monitoring software, Monitoring Data is processed and analyzed again, to realize the Long-distance Control to the running status of isolating switch, for formulating the maintenance scheme of isolating switch, the maintenance schedule of reasonable arrangement isolating switch is ready.Be that user first sends request of access by the second communication module 20 of terminal device 5 to server 4.CPU26 receives after request of access, searches the Monitoring Data being stored in the first memory module 19, and this Monitoring Data is sent to terminal device 5 by first communication module 19.Terminal device 5 first receives required Monitoring Data by second communication module, then extracts by diagnostic module 21 monitoring parameter that characterizes the duty of isolating switch in Monitoring Data.This diagnostic module 21 compares the monitoring parameter value of extraction and default rudimentary warning threshold or senior warning threshold, to judge whether this monitoring parameter value surpasses this rudimentary warning threshold or this senior warning threshold.If this monitoring parameter value between this rudimentary warning threshold and this senior warning threshold, represents monitored isolating switch, can work, but duty is not good, may go wrong.Now this diagnostic module 21 shows the not good isolating switch of duty corresponding to this monitoring parameter at the enterprising rower of display module 23, and carries out warning instruction, and the control signal of warning is sent to prompting module 22.Prompting module 22 is received after control signal, plays off and on warning sound, and sends yellow blinking light, with reminding user, changes in time the isolating switch being labeled on display module 23.As this diagnostic module 21 these monitoring parameter values of judgement surpass this senior warning threshold, represent that monitored isolating switch can not work completely, now this diagnostic module 21 sends the control signal of warning to prompting module 22.Prompting module 22 is received after this control signal, continuously plays alarm sound, and sends red blinking light, changes immediately the isolating switch being labeled on display module 23 with reminding user.
To be user carry out real time on-line monitoring by the running status of 5 pairs of isolating switchs of terminal device is that isolating switch on-line monitoring software by being arranged on this terminal device 5 is realized.User reads the Monitoring Data in server 4 by this isolating switch on-line monitoring software, and extracts the monitoring parameter of the duty that characterizes isolating switch.User also can carry out trend analysis to the running status of isolating switch by this isolating switch on-line monitoring software.The Monitoring Data that user downloads from server 4 by terminal device 5, and the trend analysis data of the High Voltage Circuit Breaker Condition by this isolating switch on-line monitoring software gained are stored by the second memory module 24.The trend curve that terminal device 5 demonstrates the running status of isolating switch on display module 23 carries out reference for user.User is according to the monitoring parameter extracting, and in conjunction with the trend curve of the High Voltage Circuit Breaker Condition being provided by above-mentioned isolating switch on-line monitoring software, can obtain the working condition of monitored isolating switch, and carry out reasonable arrangement maintenance schedule according to the working condition of isolating switch.After the isolating switch on-line monitoring software of user's opening installation on terminal device 5, terminal device 5 demonstrates isolating switch on-line monitoring interface on display module 23.User can arrange normal value, rudimentary warning threshold and the senior warning threshold of the monitoring parameters such as circuit breaker mechanism case internal temperature under this isolating switch on-line monitoring interface, to reduce the accident rate of isolating switch.
By reference to the accompanying drawings embodiment of the present utility model is described above; 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 departing 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 (7)
1. an isolating switch on-line monitoring system, it is characterized in that, comprise that a plurality of with monitored isolating switch is connected, for monitoring the duty of described isolating switch, gather the monitor signal corresponding with the duty of described isolating switch, and extract the circuit breakers monitoring device (1) of the Monitoring Data in described monitor signal, be connected with described a plurality of circuit breakers monitoring device (1), for receiving and store the server (4) of the Monitoring Data of described circuit breakers monitoring device (1), and be connected with described server (4), be used for reading the Monitoring Data of described server (4), and this Monitoring Data is processed and obtained the terminal device (5) of the running status of isolating switch.
2. isolating switch on-line monitoring system according to claim 1, it is characterized in that, described circuit breakers monitoring device (1) comprises the signal gathering unit (6) for gathering the monitor signal of described isolating switch, be connected with described signal gathering unit (6), for the monitor signal that described signal gathering unit (6) is gathered, process, to obtain the signal processing unit (12) of the Monitoring Data of described isolating switch, and be connected with described signal processing unit (12), for carry out the transmission unit (17) of data transmission between described circuit breakers monitoring device (1) and described server (4).
3. isolating switch on-line monitoring system according to claim 2, it is characterized in that, described signal gathering unit (6) comprises for gathering the displacement transducer (11) of displacement signal of the contact of described isolating switch, for gathering the Hall current sensor (8) of the current signal of the divide/closing coil current signal of described isolating switch and the energy storage motor of isolating switch, vibration signal while being used for described killer switch to divide/close converts the acceleration transducer (9) of electric signal to, for measuring the temperature sensor (7) of described circuit breaker mechanism case internal temperature signal, and for measuring the current transformer (10) of the primary current signal of described isolating switch.
4. isolating switch on-line monitoring system according to claim 2, it is characterized in that, described signal processing unit (12) comprises with described signal gathering unit (6) and being connected, for the signal processing circuit (13) that the monitor signal that described signal gathering unit (6) is gathered amplifies and filtering is processed, be connected with described signal processing circuit (13), for the monitor signal after processing being converted to the A/D change-over circuit (14) of digital signal, be connected with described A/D change-over circuit (14), for extracting the data processing circuit (15) of the Monitoring Data of this digital signal, and be connected with described data processing circuit (15), for storing the 3rd memory module (16) of this Monitoring Data.
5. isolating switch on-line monitoring system according to claim 1, it is characterized in that, described isolating switch on-line monitoring system also comprises with described circuit breakers monitoring device (1) and being connected, for the chromacoder (25) that the output signal of described circuit breakers monitoring device (1) is changed and transmitted.
6. isolating switch on-line monitoring system according to claim 5, it is characterized in that, described chromacoder (25) comprises with described transmission unit (17) and being connected, be used for receiving the digital signal of described transmission unit (17), and this digital signal is converted to first photoelectric commutator (2) of light signal and is connected with described the first photoelectric commutator (2), be used for receiving the light signal of described the first photoelectric commutator (2), and this light signal converted to second photoelectric commutator (3) of digital signal.
7. isolating switch on-line monitoring system according to claim 1, it is characterized in that, described server (4) comprises with described the second photoelectric commutator (3) and being connected, be used for receiving the first communication module (18) of the Monitoring Data of described circuit breakers monitoring device (1), be connected with described first communication module (18), the CPU (26) to the request of access of described server (4) for the treatment of described circuit breakers monitoring device (1) and described terminal device (5), and with described CPU(26) be connected, for storing first memory module (19) of described Monitoring Data.
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CN104007384A (en) * | 2014-05-13 | 2014-08-27 | 西安工程大学 | Circuit breaker mechanical property test platform and test method |
CN104267340A (en) * | 2014-09-30 | 2015-01-07 | 烟台东方电子玉麟电气有限公司 | Information detection device and method for DC feeder line circuit breaker |
CN104330730A (en) * | 2014-11-10 | 2015-02-04 | 河北工业大学 | Contactor connecting and breaking test monitoring protection device and operation mode thereof |
CN104360262A (en) * | 2014-10-29 | 2015-02-18 | 国家电网公司 | Method for opening-closing coil current comparison of circuit breaker operating mechanisms on basis of feature points |
CN104597398A (en) * | 2015-01-31 | 2015-05-06 | 哈尔滨理工大学 | Intelligent pluggable circuit breaker and monitoring and pre-warning system thereof |
CN105629164A (en) * | 2016-02-16 | 2016-06-01 | 云南电网有限责任公司昆明供电局 | Device and method for monitoring state of energy storage spring of circuit breaker |
CN107515372A (en) * | 2017-08-21 | 2017-12-26 | 国网上海市电力公司 | A kind of switchgear defect intelligent detection and analysis system |
CN109613423A (en) * | 2018-12-19 | 2019-04-12 | 同济大学 | High-voltage circuitbreaker on-line monitoring and trouble analysis system based on vibration signal |
CN110231563A (en) * | 2019-07-17 | 2019-09-13 | 西安西电开关电气有限公司 | A kind of monitoring device and its monitoring information method for down loading of high-tension switch gear |
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Publication number | Priority date | Publication date | Assignee | Title |
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CN104007384A (en) * | 2014-05-13 | 2014-08-27 | 西安工程大学 | Circuit breaker mechanical property test platform and test method |
CN104267340A (en) * | 2014-09-30 | 2015-01-07 | 烟台东方电子玉麟电气有限公司 | Information detection device and method for DC feeder line circuit breaker |
CN104267340B (en) * | 2014-09-30 | 2017-04-12 | 烟台东方电子玉麟电气有限公司 | Information detection device and method for DC feeder line circuit breaker |
CN104360262A (en) * | 2014-10-29 | 2015-02-18 | 国家电网公司 | Method for opening-closing coil current comparison of circuit breaker operating mechanisms on basis of feature points |
CN104360262B (en) * | 2014-10-29 | 2017-11-14 | 国家电网公司 | The circuit breaker operation mechanism divide-shut brake coil current comparison method of distinguished point based |
CN104330730A (en) * | 2014-11-10 | 2015-02-04 | 河北工业大学 | Contactor connecting and breaking test monitoring protection device and operation mode thereof |
CN104597398A (en) * | 2015-01-31 | 2015-05-06 | 哈尔滨理工大学 | Intelligent pluggable circuit breaker and monitoring and pre-warning system thereof |
CN105629164A (en) * | 2016-02-16 | 2016-06-01 | 云南电网有限责任公司昆明供电局 | Device and method for monitoring state of energy storage spring of circuit breaker |
CN105629164B (en) * | 2016-02-16 | 2018-11-23 | 云南电网有限责任公司昆明供电局 | A kind of breaker energy storage spring condition monitoring device and method |
CN107515372A (en) * | 2017-08-21 | 2017-12-26 | 国网上海市电力公司 | A kind of switchgear defect intelligent detection and analysis system |
CN109613423A (en) * | 2018-12-19 | 2019-04-12 | 同济大学 | High-voltage circuitbreaker on-line monitoring and trouble analysis system based on vibration signal |
CN110231563A (en) * | 2019-07-17 | 2019-09-13 | 西安西电开关电气有限公司 | A kind of monitoring device and its monitoring information method for down loading of high-tension switch gear |
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