CN202886559U - Online monitoring system for high-voltage circuit breaker - Google Patents
Online monitoring system for high-voltage circuit breaker Download PDFInfo
- Publication number
- CN202886559U CN202886559U CN 201220500018 CN201220500018U CN202886559U CN 202886559 U CN202886559 U CN 202886559U CN 201220500018 CN201220500018 CN 201220500018 CN 201220500018 U CN201220500018 U CN 201220500018U CN 202886559 U CN202886559 U CN 202886559U
- Authority
- CN
- China
- Prior art keywords
- signal input
- input part
- signal output
- monitoring system
- chip microcomputer
- 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 - Fee Related
Links
Images
Landscapes
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The utility model discloses an online monitoring system for a high-voltage circuit breaker, which comprises a current detection circuit, a singlechip, a photoelectric encoder, a data memory, a program memory, a DMA memory, an address switching unit, a data link switching unit, a high-speed A/D converter, an address generator and a communication interface. The current detection circuit and the signal input end of the photoelectric encoder are connected with the signal input end of the singlechip. The signal output end of the singlechip is connected with the signal input ends of the data memory and the program memory. The signal output end of the singlechip is connected with the signal input end of the address switching unit. The signal output end of the address switching unit is connected with the signal input end of the DMA memory. Due to the adoption of the online monitoring system, signals generated during the switching on/off process of the circuit breaker can be recorded, while data of high precision and high time resolution are provided. Therefore, the cost performance of the system is improved. The online monitoring system provides basic data accumulation for the failure diagnosis and failure prediction of the circuit breaker.
Description
Technical field
The utility model relates to a kind of on-line monitoring system, particularly relates to a kind of primary cut-out on-line monitoring system.
Background technology
The reliability of isolating switch is the pacing items that ensures the power system safety and stability operation.Investigation according to GLGRE finds that the major failure of isolating switch is mechanical fault, and wherein most of faults are the operating mechanism fault.Strengthen the detection of mechanical fault, find in advance incipient fault, to reducing equipment failure rate, raising power system security, performance reliable, stable operation have very important practical significance.Monitoring device and the systems such as microcomputer type measuring mechanical characteristics of high-voltage switch instrument have just appearred since 20 century 70s, to the isolating switch real time on-line monitoring, grasp in real time the running status of isolating switch, in order in time take preventive measures, avoid the major accident generations such as power failure.Find that by the analysis to document the isolating switch on-line monitoring system remains in several problems at present: (1) data analysis capabilities is not enough, lacks data accumulation, can't carry out fault analysis and diagnosis capability.Therefore need the expanding system function, building database is strengthened fault analysis and diagnostic function.(2) only pay close attention to the result of calculation of mechanical parameter, lack the concern to Machine Movement Process.(3) present primary cut-out detection is that the device average life is short, precision is low, and cost performance is low, can't efficient application and popularization in practical engineering application.Therefore, novel on-Line Monitor Device need to improve monitoring accuracy and serviceable life, improves the cost performance of system.
Summary of the invention
The purpose of this utility model be to provide a kind of in order addressing the above problem and to record that isolating switch divides, signal, high-precision primary cut-out on-line monitoring system in the making process.
The utility model is achieved through the following technical solutions:
A kind of primary cut-out on-line monitoring system, comprise current detection circuit, single-chip microcomputer, photoelectric encoder, data-carrier store, program storage, dma memory, the address switchover unit, the data line switch unit, high-speed a/d converter, address generator and communication interface, described current detection circuit be connected the signal input part of photoelectric encoder and be connected with the signal input part of described single-chip microcomputer, the signal output part of described single-chip microcomputer and described data-carrier store be connected the signal input part of program storage and be connected, the signal output part of described single-chip microcomputer is connected with the signal input part of described address wire switch unit, the signal output part of described address switchover unit is connected with the signal input part of described dma memory, the signal output part of described dma memory is connected with the signal input part of described data line switch unit, the signal output part of described data line switch unit and the signal input part of described data-carrier store, the signal input part of program storage is connected signal input part and is connected with single-chip microcomputer, the signal output part of described address generator is connected with the signal input part of described address switchover unit, the signal input part of described address generator is connected with the signal output part of described read-write logic control element, the signal output part of described read-write logic control element also is connected signal input part with the signal input part of described dma memory and is connected with high-speed a/d converter, described communication interface is connected with described single-chip microcomputer.
Further, described on-line monitoring system also comprises decoding scheme, and the signal input part of described decoding scheme is connected with the signal output part of described single-chip microcomputer, data-carrier store and program storage.
As preferably, described on-line monitoring system also comprises timing circuit, and described timing circuit is connected with described single-chip microcomputer.
As preferably, described communication interface is the RS485 interface.
The beneficial effects of the utility model are:
The utility model can record that isolating switch divides, the signal in the making process, and the data of high precision, high time resolution are provided, and improves the cost performance of system, for fault diagnosis and the prediction of primary cut-out provides basic data accumulation.Owing to be provided with the RS485 interface, can realize that monitoring system communicates by letter simultaneously with monitoring platform.
Description of drawings
Fig. 1 is the structural representation of the utility model primary cut-out on-line monitoring system.
Embodiment
The utility model is described in further detail below in conjunction with drawings and the specific embodiments:
As shown in Figure 1, the utility model primary cut-out on-line monitoring system, comprise current detection circuit, single-chip microcomputer, photoelectric encoder, data-carrier store, program storage, dma memory, the address switchover unit, the data line switch unit, high-speed a/d converter, address generator and communication interface, described current detection circuit be connected the signal input part of photoelectric encoder and be connected with the signal input part of described single-chip microcomputer, the signal output part of described single-chip microcomputer and described data-carrier store be connected the signal input part of program storage and be connected, the signal output part of described single-chip microcomputer is connected with the signal input part of described address wire switch unit, the signal output part of described address switchover unit is connected with the signal input part of described dma memory, the signal output part of described dma memory is connected with the signal input part of described data line switch unit, the signal output part of described data line switch unit and the signal input part of described data-carrier store, the signal input part of program storage is connected signal input part and is connected with single-chip microcomputer, the signal output part of described address generator is connected with the signal input part of described address switchover unit, the signal input part of described address generator is connected with the signal output part of described read-write logic control element, the signal output part of described read-write logic control element also is connected signal input part with the signal input part of described dma memory and is connected with high-speed a/d converter, described communication interface is connected with described single-chip microcomputer.Described communication interface is the RS485 interface.
Described on-line monitoring system also comprises decoding scheme, and the signal input part of described decoding scheme is connected with the signal output part of described single-chip microcomputer, data-carrier store and program storage.Described on-line monitoring system also comprises timing circuit, and described timing circuit is connected with described single-chip microcomputer.
Claims (4)
1. primary cut-out on-line monitoring system, it is characterized in that: comprise current detection circuit, single-chip microcomputer, photoelectric encoder, data-carrier store, program storage, dma memory, the address switchover unit, the data line switch unit, high-speed a/d converter, address generator and communication interface, described current detection circuit be connected the signal input part of photoelectric encoder and be connected with the signal input part of described single-chip microcomputer, the signal output part of described single-chip microcomputer and described data-carrier store be connected the signal input part of program storage and be connected, the signal output part of described single-chip microcomputer is connected with the signal input part of described address wire switch unit, the signal output part of described address switchover unit is connected with the signal input part of described dma memory, the signal output part of described dma memory is connected with the signal input part of described data line switch unit, the signal output part of described data line switch unit and the signal input part of described data-carrier store, the signal input part of program storage is connected signal input part and is connected with single-chip microcomputer, the signal output part of described address generator is connected with the signal input part of described address switchover unit, the signal input part of described address generator is connected with the signal output part of described read-write logic control element, the signal output part of described read-write logic control element also is connected signal input part with the signal input part of described dma memory and is connected with high-speed a/d converter, described communication interface is connected with described single-chip microcomputer.
2. primary cut-out on-line monitoring system according to claim 1, it is characterized in that: described on-line monitoring system also comprises decoding scheme, and the signal input part of described decoding scheme is connected with the signal output part of described single-chip microcomputer, data-carrier store and program storage.
3. primary cut-out on-line monitoring system according to claim 1, it is characterized in that: described on-line monitoring system also comprises timing circuit, described timing circuit is connected with described single-chip microcomputer.
4. primary cut-out on-line monitoring system according to claim 1, it is characterized in that: described communication interface is the RS485 interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220500018 CN202886559U (en) | 2012-09-28 | 2012-09-28 | Online monitoring system for high-voltage circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220500018 CN202886559U (en) | 2012-09-28 | 2012-09-28 | Online monitoring system for high-voltage circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202886559U true CN202886559U (en) | 2013-04-17 |
Family
ID=48077970
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220500018 Expired - Fee Related CN202886559U (en) | 2012-09-28 | 2012-09-28 | Online monitoring system for high-voltage circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202886559U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103698694A (en) * | 2012-09-28 | 2014-04-02 | 四川奥格科技有限公司 | Online monitoring system for high-voltage circuit breaker |
-
2012
- 2012-09-28 CN CN 201220500018 patent/CN202886559U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103698694A (en) * | 2012-09-28 | 2014-04-02 | 四川奥格科技有限公司 | Online monitoring system for high-voltage circuit breaker |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203259629U (en) | Diagnostic instrument for high-voltage breaker mechanical fault | |
| CN203705604U (en) | High-voltage circuit breaker status on-line monitoring system | |
| CN102710014B (en) | Mechanical characteristic condition monitoring device for circuit breaker based on IEC61850 | |
| CN202141589U (en) | Intelligent on-line monitoring device for on-load tap-changer of transformer | |
| CN103323770A (en) | Device for detection of mechanical characteristics and diagnosis of faults of high-voltage circuit breaker | |
| CN101101319A (en) | Generator rotor interturn short-circuit state detection device | |
| CN105823983A (en) | Mechanical characteristic state on-line monitoring system for high voltage breaker | |
| CN102402223A (en) | Offline testing system and testing method for motor controller | |
| CN105823981A (en) | On-line monitoring system of high-voltage circuit breaker and data processing method thereof | |
| CN201335876Y (en) | Detection device for electrical characteristics of circuit breaker based on DSP | |
| CN207439671U (en) | A kind of frame-type circuit breaker mechanical fault diagnosis device based on industrial personal computer | |
| CN110949446B (en) | Control circuit and method for electronic turnout | |
| CN102856137A (en) | Low-voltage intelligent double-power-source change-over switch | |
| CN104880222A (en) | 3G wireless communication-based secondary equipment state monitoring system | |
| CN112540292B (en) | Circuit breaker action frequency counting device and method | |
| CN202886559U (en) | Online monitoring system for high-voltage circuit breaker | |
| CN205229412U (en) | Visual portable circuit breaker operating device state detection device | |
| CN104502840A (en) | Breaker health diagnosis instrument | |
| CN201029050Y (en) | Electric energy quality monitoring and analyzing terminal | |
| CN202816840U (en) | Low voltage intelligent double power source change-over switch | |
| CN201886129U (en) | High-efficiency smart test bench system for motors | |
| CN201294152Y (en) | Microcomputer monitoring and harmony-eliminating device for voltage transformator | |
| CN103698694A (en) | Online monitoring system for high-voltage circuit breaker | |
| CN2821592Y (en) | Online detector for high voltage breaker mechanical property | |
| CN103631180A (en) | Isolation switch intelligent controller |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130417 Termination date: 20130928 |