CN103050323A - Opening and closing speed monitoring method of intelligent vacuum circuit breaker - Google Patents
Opening and closing speed monitoring method of intelligent vacuum circuit breaker Download PDFInfo
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- CN103050323A CN103050323A CN 201210001919 CN201210001919A CN103050323A CN 103050323 A CN103050323 A CN 103050323A CN 201210001919 CN201210001919 CN 201210001919 CN 201210001919 A CN201210001919 A CN 201210001919A CN 103050323 A CN103050323 A CN 103050323A
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- circuit breaker
- breaker
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- shut brake
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Abstract
The invention relates to the technical field of monitoring a vacuum circuit breaker, and particularly relates to an opening and closing speed monitoring method of an intelligent vacuum circuit breaker. The opening and closing speed monitoring method comprises the following steps of: A, connecting an opening and closing speed monitoring device of the intelligent vacuum circuit breaker with the vacuum circuit breaker, and arranging a sensor of the opening and closing speed monitoring device on a crank of a lever of the vacuum circuit breaker; B, collecting operation parameter information of the vacuum circuit breaker through the sensor, carrying out conversion treatment on signals, and transmitting opening and closing speeds to a control module through a 485 interface; C, analyzing and comparing the operation parameter information of the vacuum circuit breaker through the control module; and D, directly feeding back the processed information to the opening and closing speed monitoring device in an acousto-optic manner. The opening and closing speed monitoring method of the intelligent vacuum circuit breaker provided by the invention monitors the opening and closing speeds of the circuit breaker in real time, and a working state of the circuit breaker can be learned in time, so that the maintenance working amount is reduced, the maintenance cost is reduced, and the reliability and the economical efficiency of an electrical power system can be 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 divide-shut brake speed monitoring method.
Background technology
Society is more and more higher to the dependence of electric energy, and safety and the reliability of power supply unit are also had higher requirement.Vacuum circuit-breaker uses as protection and control apparatus in electric power system, the various loads of different nature of switching and normally, the power circuit under the abnormal condition, concerning the fail safe of power system operation.Vacuum circuit-breaker divide-shut brake speed parameter is that circuit breaker is most important.With respect to the divide-shut brake speed of measuring circuit breaker with pressure sensor, the divide-shut brake speed that the used acceleration transducer of this example is measured is more accurate.
Because vacuum circuit-breaker is in separating brake process (being that main contact just divides to the 3mm place) and making process (3mm place before namely closing a floodgate), it is most possible because speed does not reach requirement, produce powerful arcing, affect the performance of vacuum circuit-breaker, may cause porcelain vase fried when serious.Existing vacuum circuit-breaker monitoring amount is large, and the monitoring real-time is poor, and detection of complex and cost are high.For the detection to vacuum circuit-breaker main contact divide-shut brake speed, need a cover monitoring system can be in time, accurate monitoring velocity parameter.
Summary of the invention
Large 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 divide-shut brake speed monitoring method.
The technical solution adopted for the present invention to solve the technical problems is: a kind of intelligent vacuum circuit breaker divide-shut brake speed monitoring method, and the method may further comprise the steps:
A. intelligent vacuum circuit breaker divide-shut brake device for monitoring speed is connected on the vacuum circuit-breaker, the sensor setting of divide-shut brake device for monitoring speed is on vacuum circuit-breaker lever connecting lever;
B. described transducer carries out Real-time Collection to the vacuum circuit-breaker trip information, then signal is carried out conversion process, then divide-shut brake speed is transferred to control module by 485 interfaces;
C. described control module is analyzed contrast to the trip information of vacuum circuit-breaker;
D. the information of processing is directly fed back on the divide-shut brake 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 divide-shut brake speed monitoring: at circuit breaker lever connecting lever acceleration transducer is installed, testing acceleration changes when the circuit breaker on/off switch, transfer to controller by transducer degree of will speed up value, the acceleration 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 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 power system, primary cut-out quantity is many, the maintenance amount is large, 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 operating state of circuit breaker, reduce too early or unnecessary power failure test and maintenance, reduce maintenance workload, reduce maintenance cost, significantly improve reliability and the economy of electric power system.
Description of drawings
The present invention is further described below in conjunction with drawings and Examples.
Fig. 1 is intelligent vacuum circuit breaker divide-shut brake device for monitoring speed circuit module schematic diagram of the present invention;
Fig. 2 is intelligent vacuum circuit breaker divide-shut brake device for monitoring speed electrical block diagram of the present invention;
Fig. 3 is the flow chart of intelligent vacuum circuit breaker divide-shut brake speed monitoring method of the present invention;
Fig. 4 is the flow chart of vacuum circuit-breaker divide-shut brake speed monitoring.
Embodiment
By reference to the accompanying drawings the present invention is described in further detail now.These accompanying drawings are the schematic 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.
Intelligent vacuum circuit breaker divide-shut brake device for monitoring speed circuit module schematic diagram of the present invention such as Fig. 1, a kind of intelligent vacuum circuit breaker divide-shut brake device for monitoring speed, this device comprises circuit breaker, transducer, controller and output equipment, wherein said transducer 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, the parameter that obtains is processed, calculated corresponding divide-shut brake speed, export through output equipment, described transducer is acceleration transducer, and its operational factor is the accekeration parameter of described transducer.This invention has 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 power system, primary cut-out quantity is many, the maintenance amount is large, 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 operating state of circuit breaker, reduce too early or unnecessary power failure test and maintenance, reduce maintenance workload, reduce maintenance cost, significantly improve reliability and the economy of electric power system.
Described transducer is acceleration transducer.Transducer 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 transducer input, and the parameter that obtains is processed, and determines that parameters obtained calculates the circuit-breaker switching on-off speed that gets, and exports through output equipment.
Be intelligent vacuum circuit breaker divide-shut brake device for monitoring speed electrical block diagram of the present invention such as Fig. 2, transducer is acceleration transducer.Acceleration transducer is used for obtaining the accekeration of divide-shut brake process lever connecting lever.
Described controller comprises parameter criterion that input/output interface, central processing unit, storage are default and memory and the output circuit of accordingly result information, the circuit breaker operational factor of input circuit receiving sensor input, and export it to central processing unit, this processor carries out signals collecting, signal compiling etc. with measurement parameter and analyzes contrast, conversion process, final information exports display screen to through output circuit, and carries 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 divide-shut brake speed monitoring method, the method may further comprise the steps:
A. intelligent vacuum circuit breaker divide-shut brake device for monitoring speed is connected on the vacuum circuit-breaker, the sensor setting of divide-shut brake device for monitoring speed is on vacuum circuit-breaker lever connecting lever;
B. described transducer carries out Real-time Collection to the vacuum circuit-breaker trip information, then signal is processed, and is transferred to control module;
C. described control module is analyzed contrast to the trip information of vacuum circuit-breaker;
D. the information of processing is directly fed back on the divide-shut brake device for monitoring speed by the acousto-optic mode.
It is vacuum circuit-breaker divide-shut brake speed monitoring that described control module is analyzed contrast to the trip information of vacuum circuit-breaker: at circuit breaker lever connecting lever acceleration transducer is installed, the testing acceleration value changes when the circuit breaker on/off switch, by sensor transmissions to controller, the accekeration 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: detect circuit breaker lever connecting lever in the variation of divide-shut brake brief acceleration by acceleration transducer, send it back controller module by acceleration transducer degree of will speed up value again, process by will speed up degrees of data input single-chip microcomputer after the signals collecting, and deposit these data in memory.Described controller is analyzed contrast to the acceleration parameter information of vacuum circuit-breaker, conversion process, its flow process is as shown in Figure 4: the accekeration that at first calls pressure sensor in the memory, the divide-shut brake speed that calculates of treated device, compare with set point subsequently, if be lower than set point, then send warning, notify the monitor staff to process; 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 monitoring, in circuit breaker one side acceleration transducer to be installed, the accekeration of real-time sense acceleration transducer changes when circuit breaker cut-offs, transfer to controller by transducer degree of will speed up value parameter, the accekeration parameter that receives is processed the divide-shut brake speed that calculates by central authorities, and with default divide-shut brake speed alarming value relatively, in time send alarm.Because of circuit breaker minute, closing speed is too high, with making operating mechanism or relevant parts above the mechanical force that can bear, causes damage of components or reduction of service life; If secondly opening velocity is excessively low, when particularly just component velocity reduces, can not the fast shut-off fault, arcing time is prolonged, even contact burning, oil spout, arc control device blast occur, if closing speed is excessively low, when circuit breaker closes in short trouble, can not overcome the electrodynamic effect of contact closing, cause the contact vibration or be in stagnation, it is identical dividing slowly the consequence that causes with circuit breaker.Based on these, we need at any time monitoring breaker divide-shut brake speed.By the monitoring to vacuum circuit-breaker divide-shut brake speed, reached the purpose of the real-time divide-shut brake speed of vacuum circuit-breaker being carried out Real Time Monitoring, reduced unnecessary power failure test and maintenance, improved the reliability of electric power system.
By being set, transducer obtains measurement parameter, divide-shut brake speed to vacuum circuit-breaker is carried out Real Time Monitoring, reduce unnecessary power failure test and maintenance, reduce maintenance workload, reduce maintenance cost, improve the specific aim of maintenance, realized the automation of divide-shut brake speed on-line monitoring information processing, significantly improve the reliability of electric power system, greatly reduce personnel's working strength.
Claims (2)
1. intelligent vacuum circuit breaker divide-shut brake speed monitoring method is characterized in that the method may further comprise the steps:
A. intelligent vacuum circuit breaker divide-shut brake device for monitoring speed is connected on the vacuum circuit-breaker, the sensor setting of divide-shut brake device for monitoring speed is on vacuum circuit-breaker lever connecting lever;
B. described transducer carries out Real-time Collection to the vacuum circuit-breaker trip information, then signal is carried out conversion process, then divide-shut brake speed is transferred to control module by 485 interfaces;
C. described control module is analyzed contrast to the trip information of vacuum circuit-breaker;
D. the information of processing is directly fed back on the divide-shut brake device for monitoring speed by the acousto-optic mode.
2. intelligent vacuum circuit breaker divide-shut brake speed 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 divide-shut brake speed monitoring: at circuit breaker lever connecting lever acceleration transducer is installed, testing acceleration changes when the circuit breaker on/off switch, transfer to controller by transducer degree of will speed up value, the acceleration 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210001919 CN103050323A (en) | 2011-10-14 | 2012-01-05 | Opening and closing speed monitoring method of intelligent vacuum circuit breaker |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110311634.5 | 2011-10-14 | ||
| CN201110311634 | 2011-10-14 | ||
| CN 201210001919 CN103050323A (en) | 2011-10-14 | 2012-01-05 | Opening and closing speed monitoring method of intelligent vacuum circuit breaker |
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| CN103050323A true CN103050323A (en) | 2013-04-17 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104331060A (en) * | 2014-08-01 | 2015-02-04 | 平高集团有限公司 | Circuit breaker phase selection controller phase selection switch-on and switch-off precision test system and method |
| CN105844889A (en) * | 2016-05-26 | 2016-08-10 | 国网辽宁省电力有限公司朝阳供电公司 | Three-phase circuit breaker wireless speed measuring device and use method |
| CN106461725A (en) * | 2014-09-29 | 2017-02-22 | Abb瑞士股份有限公司 | Method and device for monitoring circuit breaker |
| CN106783303A (en) * | 2016-12-29 | 2017-05-31 | 中国西电电气股份有限公司 | A kind of high-voltage switch gear divide-shut brake acts mechanical property monitoring method and equipment |
| CN111190098A (en) * | 2019-12-30 | 2020-05-22 | 潍柴动力股份有限公司 | Relay fault detection method and detection system |
-
2012
- 2012-01-05 CN CN 201210001919 patent/CN103050323A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104331060A (en) * | 2014-08-01 | 2015-02-04 | 平高集团有限公司 | Circuit breaker phase selection controller phase selection switch-on and switch-off precision test system and method |
| CN104331060B (en) * | 2014-08-01 | 2017-07-07 | 平高集团有限公司 | A kind of phase-controlled device option principle method for testing precision of breaker |
| CN106461725A (en) * | 2014-09-29 | 2017-02-22 | Abb瑞士股份有限公司 | Method and device for monitoring circuit breaker |
| US10408877B2 (en) | 2014-09-29 | 2019-09-10 | Abb Schweiz Ag | Method and device for monitoring circuit breaker |
| CN106461725B (en) * | 2014-09-29 | 2020-06-26 | Abb瑞士股份有限公司 | Method and apparatus for monitoring a circuit breaker |
| CN105844889A (en) * | 2016-05-26 | 2016-08-10 | 国网辽宁省电力有限公司朝阳供电公司 | Three-phase circuit breaker wireless speed measuring device and use method |
| CN106783303A (en) * | 2016-12-29 | 2017-05-31 | 中国西电电气股份有限公司 | A kind of high-voltage switch gear divide-shut brake acts mechanical property monitoring method and equipment |
| CN106783303B (en) * | 2016-12-29 | 2018-09-14 | 中国西电电气股份有限公司 | A kind of high-voltage switch gear divide-shut brake action mechanical property monitoring method and equipment |
| CN111190098A (en) * | 2019-12-30 | 2020-05-22 | 潍柴动力股份有限公司 | Relay fault detection method and detection system |
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Application publication date: 20130417 |