CN203350410U - Health degree online monitoring system of vacuum circuit breaker - Google Patents
Health degree online monitoring system of vacuum circuit breaker Download PDFInfo
- Publication number
- CN203350410U CN203350410U CN 201320287296 CN201320287296U CN203350410U CN 203350410 U CN203350410 U CN 203350410U CN 201320287296 CN201320287296 CN 201320287296 CN 201320287296 U CN201320287296 U CN 201320287296U CN 203350410 U CN203350410 U CN 203350410U
- Authority
- CN
- China
- Prior art keywords
- circuit breaker
- vacuum circuit
- vacuum
- sensor
- monitoring system
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Landscapes
- Keying Circuit Devices (AREA)
Abstract
Provided is a health degree online monitoring system of a vacuum circuit breaker. The health degree online monitoring system comprises a data acquisition unit, an industrial personal computer, a communication unit and an upper computer; the industrial personal computer collects a signal acquired by the signal acquisition unit and uploads the signal to the upper computer for data display and analysis process via the communication unit; and the data acquisition unit comprises a displacement sensor used for monitoring the mechanical performance of the vacuum circuit breaker, a Holl current sensor used for monitoring electrical wear of contacts of the vacuum circuit breaker, and a vacuum degree monitoring unit used for monitoring the vacuum degree of the vacuum circuit breaker. The displacement sensor, the Holl current sensor and the vacuum degree monitoring device are configured to monitor the mechanical performance, the electrical wear of the contacts and the vacuum degree of the vacuum circuit breaker respectively, so compared with the prior art, the health degree online monitoring system monitors more kinds of parameters, acquires more comprehensive information and is more beneficial to fault diagnosis of the vacuum circuit breaker.
Description
Technical field
The utility model relates to the vacuum circuit breaker technical field, is specifically related to the health degree detection field of vacuum circuit breaker.
Background technology
Vacuum circuit breaker is the isolating switch of a kind of contact in the vacuum bubbles of high vacuum deciliter, and at the control and protection that plays a part in service of system for distribution network of power, its operation, maintenance and maintenance situation and whole system are closely related.Along with the raising of electric pressure and the increase of installed capacity, system is more and more higher to the requirement of power equipment operational reliability, and this detects with diagnostic techniques and have higher requirement to power equipment.
In recent years, vacuum circuit breaker occurs that defect and the number of times had an accident increase to some extent.Along with vacuum circuit breaker, in the particularly utilization on a large scale in medium voltage network of electric system, the necessity of vacuum circuit breaker being implemented to on-line monitoring seems more for outstanding.
The utility model content
Technical problem to be solved in the utility model is that a kind of information acquisition vacuum circuit breaker health degree on-line monitoring system more comprehensively is provided.
The technical scheme in the invention for solving the technical problem is as follows: a kind of vacuum circuit breaker health degree on-line monitoring system, comprise data acquisition unit, industrial computer, communication unit and host computer, industrial computer is collected the signal of signal gathering unit collection and is uploaded to host computer by described communication unit and carries out data demonstration and analyzing and processing, it is characterized in that, described data acquisition unit comprises for monitoring the displacement transducer of vacuum circuit breaker mechanical property, for monitoring the Hall current sensor of contacts for vacuum-break switches electrical wear and for monitoring the vacuum degree monitoring device of Vacuity of Vacuum Circuit Breakers.
The utility model is monitored by the mechanical property parameter to vacuum circuit breaker, contact electrical wear and vacuum tightness, makes the information of acquisition more comprehensively, more is conducive to the fault diagnosis of vacuum circuit breaker.
Described displacement transducer comprises linear displacement transducer and angular displacement sensor.
Described linear displacement transducer, angular displacement sensor, Hall current sensor and vacuum degree monitoring device form wireless sensor network with aggregation node after forming separately sensor node again, and described aggregation node is by REID and described industrial computer wireless telecommunications.Industrial computer collects by described wireless sensor network the signal that signal gathering unit gathers, and solves in transformer station and is difficult for the cable laying problem.
Described sensor node comprises above-mentioned a kind of sensor or vacuum degree monitoring device, also comprise analog-digital conversion function module, CPU, storer, wireless communication module and power supply, power supply is each assembly power supply of sensor node, after the analog-digital conversion function module converts the signal of sensor or vacuum degree monitoring device collection to digital signal, export to CPU, communication unit is connected with CPU, wireless receiving or transmission information under the control of CPU, CPU completes data and processes and corresponding data is deposited in coupled storer.
Wireless sensor network is to utilize a large amount of microsensor nodes, by communication, forms network, is used for the information of perception vacuum circuit breaker.A large amount of sensor node random placements in monitored area inner or near, can form network by Ad hoc mode.The data of sensor node monitoring are transmitted along other sensor node hop-by-hop ground, and in transmitting procedure, Monitoring Data may be routed to aggregation node by a plurality of sensor node processes after multi-hop, finally sends to industrial computer.
Described communication unit is comprised of connected successively industrial computer end netting twine passage, the first photoelectric conversion module, optical-fibre channel, the second photoelectric conversion module, switch end netting twine passage, switch and upper computer end netting twine passage.
Described industrial computer adopts the central processing unit of digital signal processor DSP as it.
The magnetic core of described Hall current sensor is made by iron-base nanometer crystal alloy or permalloy material.Described magnetic core preferably adopts the iron-base nanometer crystal alloy material to make.
Along with the high speed development of power industry, demand and the accuracy requirement of current sensor improved constantly, the silicon steel material in the past used oneself through can not finely meeting the various needs of current industry.High magnetic permeability with nanometer crystal alloy excellent performance not only, and technique is simple, with low cost, is the basic function material that has very much market competition advantage at present.Because the price of iron-base nanometer crystal alloy only has the 40%-50% of permalloy, and iron-base nanometer crystal alloy is the highest magnetic-sensitive material to Magnetic susceptibility of finding at present, and obviously iron-base nanometer crystal alloy is the optimal material as the current sensor magnetic core.
Relative prior art the utlity model has following beneficial effect:
1) the utility model configuration bit displacement sensor, Hall current sensor and vacuum degree monitoring device, respectively mechanical property, contact electrical wear and the vacuum tightness of vacuum circuit breaker are monitored, with respect to prior art, the parameter of the utility model monitoring is more kinds of, the information obtained more comprehensively, more is conducive to the fault diagnosis of vacuum circuit breaker;
2) industrial computer of the present utility model and data acquisition unit adopt wireless communication mode, have effectively solved in transformer station and have been difficult for the cable laying problem;
3) magnetic core of Hall current sensor of the present utility model adopts iron-base nanometer crystal alloy material cheap, that magnetosensitive is high to make, Hall current sensor of the present utility model can obtain larger magnetic field with less exciting current, thereby raise the efficiency, improve safety coefficient, impel the miniaturization of equipment, reduce the energy consumption of test.
The accompanying drawing explanation
Fig. 1 is the structural representation one of the utility model specific embodiment;
Fig. 2 is the structural representation two of the utility model specific embodiment;
Fig. 3 is the structured flowchart of the sensor node of the utility model specific embodiment.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment of the utility model, the utility model is further described.
As shown in Figure 1, 2, vacuum circuit breaker health degree on-line monitoring system of the present utility model, comprise data acquisition unit, industrial computer, communication unit and host computer, industrial computer is collected the signal of signal gathering unit collection and is uploaded to host computer by communication unit and carries out data demonstration and analyzing and processing.
Data acquisition unit comprises displacement transducer for monitoring the vacuum circuit breaker mechanical property, for the Hall current sensor of monitoring the contacts for vacuum-break switches electrical wear with for monitoring the vacuum-ness detecting device of Vacuity of Vacuum Circuit Breakers.
Displacement transducer comprises again linear displacement transducer and angular displacement sensor.Linear displacement transducer is arranged on the bottom of moving contact of breaker insulated tension pole, angular displacement sensor is arranged on the main shaft of isolating switch, carry out measurement of comparison by linear displacement transducer and angular displacement sensor, adopt the method for curve to determine the analytical expression between spindle angular displacement and moving contact straight-line displacement, obtain the mechanical property parameter of vacuum circuit breaker.
Hall current sensor for monitor vacuum circuit breaker minute, the current signal of closing coil, minute, contain in the electric current of closing coil and can be used as the abundant information that the diagnosis mechanical fault is used.Measure vacuum circuit breaker minute, the electric current of closing coil, then, by certain algorithm, can realize the on-line monitoring to the contacts for vacuum-break switches electrical wear.
Above-mentioned mechanical property of monitoring vacuum circuit breaker by displacement transducer, monitor the contact electrical wear degree of vacuum circuit breaker by Hall current sensor, existingly in the prior art introduce in detail.Unlike the prior art, the magnetic core of Hall current sensor of the present utility model is made by the iron-base nanometer crystal alloy material.
As shown in Figure 1, communication unit is comprised of connected successively industrial computer end netting twine passage, the first photoelectric conversion module, optical-fibre channel, the second photoelectric conversion module, switch end netting twine passage, switch and upper computer end netting twine passage.Communication unit to host computer, is inquired about the information reporting of industrial computer gained for the user.The utility model communication unit adopts optical-fibre channel to carry out the signal transmission, is conducive to reduce the interference of external environment to signal.
As shown in Figure 2, industrial computer collects by wireless sensor network the signal that signal gathering unit gathers.Wireless sensor network is comprised of sensor node and aggregation node.As Fig. 1, shown in 3, sensor node comprises linear displacement transducer or angular displacement sensor or Hall current sensor or vacuum-ness detecting device, also comprise the analog-digital conversion function module, CPU, storer, wireless communication module and power supply, power supply is each assembly power supply of sensor node, after the analog-digital conversion function module converts the signal of sensor or vacuum-ness detecting device collection to digital signal, export to CPU, communication unit is connected with CPU, wireless receiving or transmission information under the control of CPU, CPU completes data and processes and corresponding data is deposited in coupled storer.Aggregation node is by REID and described industrial computer wireless telecommunications.This radio system is comprised of label and reader, also existing introduction in prior art.
Wireless sensor network is to utilize a large amount of microsensor nodes, by communication, forms network, is used for the information of perception vacuum circuit breaker.Sensor node is an embedded system with measurement capability, processing power, storage capacity, communication capacity, take into account the dual-use function of legacy network nodal terminal and route, not only carry out collection and the processing of information, also will forward the data of coming to other sensor nodes and stored, manage and merge.The CPU that sensor node configuration process ability is lower, wireless communication module, move special network algorithm, adopts administration of energy conservation or obtain energy from electromagnetic wave.A large amount of sensor node random placements in monitored area inner or near, can form network by Ad hoc mode.The data of sensor node monitoring are transmitted along other sensor node hop-by-hop ground, and in transmitting procedure, Monitoring Data may be routed to aggregation node by a plurality of sensor node processes after multi-hop, finally sends to industrial computer.Tandem node is the system that has stronger communication capacity, computing power and affluent resources, and its connecting sensor network and external network, realize the conversion between various communications protocols, by the data retransmission collected to external network; It can be one and increase powerful sensor node, can be also a dedicated gateway equipment that there is no monitoring function.
Industrial computer of the present utility model adopts the central processing unit of digital signal processor DSP as it.Because DSP has powerful digital signal processing function, can carry out secondary digital filtering (FFT conversion, IIR filtering etc.) to the signal gathered and eliminate on-the-spot a large amount of interference, can get rid of vacuum circuit breaker minute, produce discharge pulse while closing a floodgate and the malfunction that may cause simultaneously, also can increase corresponding faulty action preventing software program.
After native system comes into operation, can there is to the internal operation rule of vacuum circuit breaker more system and more perfect understanding, the characteristics such as its machinery, temperature have been had to further investigation, the mechanism that its fault is occurred has clearer understanding, widened the research range of prior art, to meet the requirement more and more higher to Power System Reliability.
Claims (7)
1. a vacuum circuit breaker health degree on-line monitoring system, comprise data acquisition unit, industrial computer, communication unit and host computer, industrial computer is collected the signal of signal gathering unit collection and is uploaded to host computer by described communication unit and carries out data demonstration and analyzing and processing, it is characterized in that, described data acquisition unit comprises displacement transducer for monitoring the vacuum circuit breaker mechanical property, for the Hall current sensor of monitoring the contacts for vacuum-break switches electrical wear with for monitoring the vacuum degree monitoring device of Vacuity of Vacuum Circuit Breakers.
2. vacuum circuit breaker health degree on-line monitoring system according to claim 1, is characterized in that, described displacement transducer comprises linear displacement transducer and angular displacement sensor.
3. vacuum circuit breaker health degree on-line monitoring system according to claim 2, it is characterized in that, described linear displacement transducer, angular displacement sensor, Hall current sensor and vacuum degree monitoring device form wireless sensor network with aggregation node after forming separately sensor node again, and described aggregation node is by REID and described industrial computer wireless telecommunications.
4. vacuum circuit breaker health degree on-line monitoring system according to claim 3, it is characterized in that, described sensor node comprises above-mentioned a kind of sensor or vacuum degree monitoring device, also comprise the analog-digital conversion function module, CPU, storer, wireless communication module and power supply, power supply is each assembly power supply of sensor node, after the analog-digital conversion function module converts the signal of sensor or vacuum degree monitoring device collection to digital signal, export to CPU, communication unit is connected with CPU, wireless receiving or transmission information under the control of CPU, CPU completes data and processes and corresponding data is deposited in coupled storer.
5. according to the described vacuum circuit breaker health degree of claim 1～4 any one on-line monitoring system, it is characterized in that, described communication unit is comprised of connected successively industrial computer end netting twine passage, the first photoelectric conversion module, optical-fibre channel, the second photoelectric conversion module, switch end netting twine passage, switch and upper computer end netting twine passage.
6. according to the described vacuum circuit breaker health degree of claim 1～4 any one on-line monitoring system, it is characterized in that, described industrial computer adopts the central processing unit of digital signal processor DSP as it.
7. according to the described vacuum circuit breaker health degree of claim 1～4 any one on-line monitoring system, it is characterized in that, the magnetic core of described Hall current sensor is made by the iron-base nanometer crystal alloy material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320287296 CN203350410U (en) | 2013-05-23 | 2013-05-23 | Health degree online monitoring system of vacuum circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320287296 CN203350410U (en) | 2013-05-23 | 2013-05-23 | Health degree online monitoring system of vacuum circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203350410U true CN203350410U (en) | 2013-12-18 |
Family
ID=49750292
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320287296 Expired - Lifetime CN203350410U (en) | 2013-05-23 | 2013-05-23 | Health degree online monitoring system of vacuum circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203350410U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105403830A (en) * | 2015-12-02 | 2016-03-16 | 国家电网公司 | DSP-based stroke test system of high-voltage circuit breaker |
| CN106249135A (en) * | 2015-06-04 | 2016-12-21 | Ls产电株式会社 | Switching device health index assessment system |
| CN108445381A (en) * | 2018-04-18 | 2018-08-24 | 南京中汇电气科技有限公司 | A kind of breaker on-line monitoring terminal |
| US10147572B2 (en) | 2016-03-11 | 2018-12-04 | Abb Schweiz Ag | Embedded pole and method of assembling same |
| CN116683636A (en) * | 2023-05-26 | 2023-09-01 | 南通连邦数智信息技术有限公司 | Remote monitoring system for intelligent circuit breaker |
-
2013
- 2013-05-23 CN CN 201320287296 patent/CN203350410U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106249135A (en) * | 2015-06-04 | 2016-12-21 | Ls产电株式会社 | Switching device health index assessment system |
| CN105403830A (en) * | 2015-12-02 | 2016-03-16 | 国家电网公司 | DSP-based stroke test system of high-voltage circuit breaker |
| US10147572B2 (en) | 2016-03-11 | 2018-12-04 | Abb Schweiz Ag | Embedded pole and method of assembling same |
| CN108445381A (en) * | 2018-04-18 | 2018-08-24 | 南京中汇电气科技有限公司 | A kind of breaker on-line monitoring terminal |
| CN116683636A (en) * | 2023-05-26 | 2023-09-01 | 南通连邦数智信息技术有限公司 | Remote monitoring system for intelligent circuit breaker |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203350410U (en) | Health degree online monitoring system of vacuum circuit breaker | |
| CN103744018A (en) | On-line monitoring system aiming at high-voltage circuit breaker | |
| CN202066680U (en) | On-line monitoring device for mechanical properties of vacuum circuit breaker | |
| CN203732254U (en) | Circuit breaker mechanical characteristic online monitoring device | |
| CN202837499U (en) | Testing device for mechanical characteristics in grid circuit breakers | |
| CN202141776U (en) | Online fault detection system of 10kV fuse protector | |
| CN103353717A (en) | Networked comprehensive intelligent socket and implementation method thereof | |
| CN104819744B (en) | A kind of primary cut-out on-line monitoring method | |
| CN104101381A (en) | Online monitoring system of mining high voltage distribution device | |
| CN108759924A (en) | Wireless internet of things switch and wireless internet of things manage system | |
| CN103077813A (en) | Novel intelligent transformer | |
| CN202599441U (en) | System for acquiring state data of power transformer | |
| CN202084170U (en) | Signal transmission module for non-contact SF6 (sulfur hexafluoride) density relay | |
| CN103197180A (en) | Intelligent component used for gas insulated switchgear (GIS)/ breaker | |
| CN102759681A (en) | Transformer core ground fault monitoring device | |
| CN202928684U (en) | Supervising device utilizing digital acceleration sensor to realize bus vibration state monitoring | |
| CN202599442U (en) | A real-time data sampling device of a transformer station | |
| CN202614509U (en) | On-line determination apparatus for instant point of separating and touching of breaker | |
| CN202869655U (en) | Online temperature monitoring device of high-voltage electrical equipment | |
| CN202676845U (en) | Device for monitoring earth fault of transformer core | |
| CN105046908A (en) | Movable oil-gas monitoring data remote transmission system | |
| CN104267321A (en) | GIS state monitoring device based on Zigbee wireless networking | |
| CN202141526U (en) | Wireless temperature measuring device for switch cabinet | |
| CN201322780Y (en) | Switch machine test module | |
| CN208999545U (en) | A kind of wireless battery management system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131218 |
|
| CX01 | Expiry of patent term |