CN102175881A - Speed online monitoring method of intelligent vacuum circuit breaker - Google Patents
Speed online monitoring method of intelligent vacuum circuit breaker Download PDFInfo
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- CN102175881A CN102175881A CN 201110044059 CN201110044059A CN102175881A CN 102175881 A CN102175881 A CN 102175881A CN 201110044059 CN201110044059 CN 201110044059 CN 201110044059 A CN201110044059 A CN 201110044059A CN 102175881 A CN102175881 A CN 102175881A
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Abstract
The invention relates to the monitoring technical field of vacuum circuit breakers, in particular to a speed online monitoring method of an intelligent vacuum circuit breaker. The method comprises the following steps that: A. an intelligent vacuum circuit breaker speed online monitoring device is connected with a vacuum circuit breaker, and a sensor of the speed online monitoring device is arranged in an insulator of the vacuum circuit breaker; B. the senor in real time collects the running parameter information of the vacuum circuit breaker, amplifies and transforms the information, and transmits the running parameter information to a control module; C. the control module analyzes and compares the running parameter information of the vacuum circuit breaker; D. the information after being processed is directly fed back to the speed online monitoring device in an acousto-optic way. According to the invention, the ON and OFF speed of the circuit breaker is instantly monitored so as to instantly master the working state of the circuit breaker and reduce premature or unnecessary outage tests and overhauls, so that the working amount for maintenance and the repairing expenses are reduced, and the reliability and economical efficiency of the electric power system are obviously improved.
Description
Technical field
The present invention relates to the monitoring technical field of vacuum circuit breaker, especially a kind of intelligent vacuum circuit breaker speed on-line monitoring method.
Background technology
Current society is more and more higher to the dependence of electric energy, and the safety and the reliability of power-supply unit are also had higher requirement.Vacuum circuit breaker uses as protection and control apparatus in electric system; power circuit under various loads of different nature of switching and normal, the abnomal condition; concern the security of Operation of Electric Systems, therefore, keeping vacuum circuit breaker divide-shut brake speed parameter most important.
Because vacuum circuit breaker is in separating brake process (being that main contact has just divided to the 3mm place) and making process (3mm place before promptly closing a floodgate), it is most possible because speed does not reach requirement, produce powerful arcing, influence the performance of vacuum circuit breaker, may cause porcelain vase fried when serious.Existing vacuum circuit breaker monitoring amount is big, and the monitoring real-time is poor, detection of complex and cost height.For detection to vacuum circuit breaker main contact speed, need a cover monitoring system can be in time, monitoring velocity parameter accurately.
Summary of the invention
Big in order to overcome existing vacuum circuit breaker monitoring amount, and the monitoring real-time is poor, and the deficiency that detection of complex and cost are high the invention provides a kind of intelligent vacuum circuit breaker speed on-line monitoring method.
The technical solution adopted for the present invention to solve the technical problems is: a kind of intelligent vacuum circuit breaker speed on-line monitoring method, and this method may further comprise the steps:
A. the intelligent vacuum circuit breaker device for monitoring speed is connected on the vacuum circuit breaker, the sensor of speed on-Line Monitor Device is arranged in the vacuum circuit breaker insulator;
B. described sensor is gathered in real time to the vacuum circuit breaker trip information, then to signal amplify, conversion process, and transfer to control module;
C. described control module is analyzed contrast to the trip information of vacuum circuit breaker;
D. the information of handling is directly fed back on device for monitoring speed by the acousto-optic mode.
According to another embodiment of the invention, further comprise described control module to the trip information of vacuum circuit breaker analyze the contrast comprise vacuum circuit breaker speed on-line monitoring: pressure transducer is installed in isolating switch, the test force value changes when the isolating switch on/off switch, by sensor the power value parameter is transferred to controller, the power value parameter that receives calculates the divide-shut brake speed parameter by central processing unit, and with default divide-shut brake speed alarming value relatively, in time send alarm.
The invention has the beneficial effects as follows that this invention has the on-line monitoring or the measuring ability of circuit-breaker switching on-off speed, the divide-shut brake speed of judgement vacuum circuit breaker that can be promptly and accurately.In the electric system, primary cut-out quantity is many, the maintenance amount is big, expense is high; Incorrect or unnecessary maintenance was both lost time, and expense is also high; To real-time the monitoring of circuit-breaker switching on-off speed, can in time understand the duty of isolating switch, reduce too early or unnecessary power failure test and maintenance, reduce maintenance workload, reduce maintenance cost, significantly improve the reliability and the economy of electric system.
Description of drawings
The present invention is further described below in conjunction with drawings and Examples.
Fig. 1 is an intelligent vacuum circuit breaker speed on-Line Monitor Device circuit module synoptic diagram of the present invention;
Fig. 2 is an intelligent vacuum circuit breaker speed on-Line Monitor Device electrical block diagram of the present invention;
Fig. 3 is the process flow diagram of intelligent vacuum circuit breaker speed on-line monitoring method of the present invention;
Fig. 4 is the process flow diagram of vacuum circuit breaker divide-shut brake speed on-line monitoring.
Embodiment
In conjunction with the accompanying drawings the present invention is described in further detail now.These accompanying drawings are the synoptic diagram of simplification, basic structure of the present invention only is described in a schematic way, so it only show the formation relevant with the present invention.
As Fig. 1 is intelligent vacuum circuit breaker speed on-Line Monitor Device circuit module synoptic diagram of the present invention, a kind of intelligent vacuum circuit breaker speed on-Line Monitor Device, this device comprises isolating switch, sensor, controller and output device, wherein said sensor is used for the monitoring breaker operational factor, and the real-time parameter that obtains is transferred to described controller; The operational factor of described controller receiving sensor output is handled the parameter that obtains, and calculates corresponding divide-shut brake speed, exports through output device.The operational factor of described sensor is the power value parameter of described sensor.This invention has the on-line monitoring or the measuring ability of circuit-breaker switching on-off speed, the divide-shut brake speed of judgement vacuum circuit breaker that can be promptly and accurately.In the electric system, primary cut-out quantity is many, the maintenance amount is big, expense is high; Incorrect or unnecessary maintenance was both lost time, and expense is also high; To real-time the monitoring of circuit-breaker switching on-off speed, can in time understand the duty of isolating switch, reduce too early or unnecessary power failure test and maintenance, reduce maintenance workload, reduce maintenance cost, significantly improve the reliability and the economy of electric system.
Described sensor is pressure transducer.Sensor is used for the monitoring breaker operational factor, and the real-time parameter of its acquisition is transferred to controller; Described controller is accepted the operational factor of sensor input, and the parameter that obtains is handled, and determines the circuit-breaker switching on-off speed that the gained calculation of parameter gets, and exports through output device.
As Fig. 2 is intelligent vacuum circuit breaker speed on-Line Monitor Device electrical block diagram of the present invention, and sensor is a pressure transducer.Pressure transducer is used to obtain the power value parameter of touching the axial pressure spring.
Described controller comprises the parameter criterion that input/output interface, central processing unit, storage are default and the storer and the output circuit of accordingly result information, the isolating switch operational factor of input circuit receiving sensor input, and export it to central processing unit, this processor carries out signal amplification, A/D conversion, signal compiling etc. with measurement parameter and analyzes contrast, conversion process, export display screen through final information to through output circuit, and carrying out sound and light alarm.
The output port of described input/output interface circuit connects sound and light alarm, display screen or remote data transmission, and the output port of described output circuit connects display screen or remote data transmission.
Described display screen adopts intelligent machine plate---touch display screen.
Embodiment:
As shown in Figure 3: a kind of intelligent vacuum circuit breaker speed on-line monitoring method, this method may further comprise the steps:
A. the intelligent vacuum circuit breaker device for monitoring speed is connected on the vacuum circuit breaker, the sensor of speed on-Line Monitor Device is arranged in the vacuum circuit breaker insulator;
B. described sensor is gathered in real time to the vacuum circuit breaker trip information, then to signal amplify, conversion process, and transfer to control module;
C. described control module is analyzed contrast to the trip information of vacuum circuit breaker;
D. the information of handling is directly fed back on device for monitoring speed by the acousto-optic mode.
It is vacuum circuit breaker speed on-line monitoring that described control module is analyzed contrast to the trip information of vacuum circuit breaker: pressure transducer is installed in isolating switch, the test force value changes when the isolating switch on/off switch, by sensor transmissions to controller, the power value parameter that receives calculates the divide-shut brake speed parameter by central processing unit, and with default divide-shut brake speed alarming value relatively, in time send alarm.
Speed detects: by the spring pressure in the pressure transducer detection isolating switch, by pressure transducer the power value parameter is sent it back controller module again, amplify by signal, after the A/D conversion power Value Data input single-chip microcomputer is handled, and deposited these data in storer.Described controller is analyzed contrast to the power value parameter information of vacuum circuit breaker, conversion process, its flow process is as shown in Figure 4: the power Value Data that at first calls pressure transducer in the storer, the divide-shut brake speed that calculates of treated device, compare with setting value subsequently, if be lower than setting value, then send warning, notify the monitor staff to handle; If normally then do not report to the police, only show divide-shut brake speed.
Above-mentioned trip information to vacuum circuit breaker is analyzed contrast and is comprised following:
Vacuum circuit breaker divide-shut brake speed on-line monitoring, be pressure transducer to be installed in isolating switch one side, the power value of real-time detected pressures sensor changes when isolating switch cut-offs, by sensor the power value parameter is transferred to controller, the power value parameter that receives is handled the divide-shut brake speed that calculates by central authorities, and with default divide-shut brake speed alarming value relatively, in time send alarm.Too high because of branch, the closing speed of isolating switch, with making operating mechanism or relevant parts surpass the mechanical force that can bear, cause damage of components or reduction of service life; Secondly if opening velocity is low excessively, when particularly just component velocity reduces, can not the fast shut-off fault, arc time is prolonged, even contact burning, oil spout, arc-chutes blast take place, if closing speed is low excessively, when isolating switch closes in short trouble, can not overcome the contact pass and close electrodynamic effect, cause the contact vibration or be in stagnation, it is identical dividing the consequence that causes slowly with isolating switch.Based on these, we need monitoring breaker divide-shut brake speed at any time.By on-line monitoring to vacuum circuit breaker divide-shut brake speed, reached the purpose that the real-time divide-shut brake speed of vacuum circuit breaker is monitored in real time, reduced unnecessary power failure test and maintenance, improved the reliability of electric system.
By being set, sensor obtains measurement parameter, divide-shut brake speed to vacuum circuit breaker is monitored in real time, reduce unnecessary power failure test and maintenance, reduce maintenance workload, reduce maintenance cost, improve the specific aim of maintenance, realized the robotization of speed on-line monitoring information processing, significantly improve the reliability of electric system, greatly reduce personnel's working strength.
Claims (2)
1. intelligent vacuum circuit breaker speed on-line monitoring method is characterized in that this method may further comprise the steps:
A. the intelligent vacuum circuit breaker device for monitoring speed is connected on the vacuum circuit breaker, the sensor of speed on-Line Monitor Device is arranged in the vacuum circuit breaker insulator;
B. described sensor is gathered in real time to the vacuum circuit breaker trip information, then to signal amplify, conversion process, and transfer to control module;
C. described control module is analyzed contrast to the trip information of vacuum circuit breaker;
D. the information of handling is directly fed back on the speed on-Line Monitor Device by the acousto-optic mode.
2. intelligent vacuum circuit breaker speed on-line monitoring method according to claim 1, it is characterized in that, described control module is analyzed contrast to the trip information of vacuum circuit breaker and is comprised vacuum circuit breaker speed on-line monitoring: pressure transducer is installed in isolating switch, the test force value changes when the isolating switch on/off switch, by sensor the power value parameter is transferred to controller, the power value parameter that receives calculates the divide-shut brake speed parameter by central processing unit, and with default divide-shut brake speed alarming value relatively, in time send alarm.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110044059 CN102175881A (en) | 2011-02-24 | 2011-02-24 | Speed online monitoring method of intelligent vacuum circuit breaker |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201110044059 CN102175881A (en) | 2011-02-24 | 2011-02-24 | Speed online monitoring method of intelligent vacuum circuit breaker |
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| CN102175881A true CN102175881A (en) | 2011-09-07 |
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| CN 201110044059 Pending CN102175881A (en) | 2011-02-24 | 2011-02-24 | Speed online monitoring method of intelligent vacuum circuit breaker |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103604942A (en) * | 2013-09-05 | 2014-02-26 | 大连交通大学 | Method for calculating position and movement velocity of vacuum switch contact |
| CN107887224A (en) * | 2017-10-24 | 2018-04-06 | 山东泰开高压开关有限公司 | The divide-shut brake speed measurement apparatus and measuring method of a kind of vacuum circuit breaker |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1673767A (en) * | 2005-04-22 | 2005-09-28 | 张贵新 | Vacuum circuit breaker electrical endurance monitoring apparatus |
| CN201417299Y (en) * | 2009-05-27 | 2010-03-03 | 常州市明及电气技术开发有限公司 | Intelligent overrun testing system of vacuum circuit breaker |
| CN101858958A (en) * | 2010-05-20 | 2010-10-13 | 常州市明及电气技术开发有限公司 | Intelligent device and method for monitoring vacuum circuit breaker on line |
-
2011
- 2011-02-24 CN CN 201110044059 patent/CN102175881A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1673767A (en) * | 2005-04-22 | 2005-09-28 | 张贵新 | Vacuum circuit breaker electrical endurance monitoring apparatus |
| CN201417299Y (en) * | 2009-05-27 | 2010-03-03 | 常州市明及电气技术开发有限公司 | Intelligent overrun testing system of vacuum circuit breaker |
| CN101858958A (en) * | 2010-05-20 | 2010-10-13 | 常州市明及电气技术开发有限公司 | Intelligent device and method for monitoring vacuum circuit breaker on line |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103604942A (en) * | 2013-09-05 | 2014-02-26 | 大连交通大学 | Method for calculating position and movement velocity of vacuum switch contact |
| CN107887224A (en) * | 2017-10-24 | 2018-04-06 | 山东泰开高压开关有限公司 | The divide-shut brake speed measurement apparatus and measuring method of a kind of vacuum circuit breaker |
| CN107887224B (en) * | 2017-10-24 | 2023-09-01 | 山东泰开高压开关有限公司 | Switching-on and switching-off speed measuring device and measuring method of vacuum circuit breaker |
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Application publication date: 20110907 |