CN203054193U - On-line monitoring system for mechanical characteristic of vacuum circuit breaker - Google Patents
On-line monitoring system for mechanical characteristic of vacuum circuit breaker Download PDFInfo
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- CN203054193U CN203054193U CN 201220744752 CN201220744752U CN203054193U CN 203054193 U CN203054193 U CN 203054193U CN 201220744752 CN201220744752 CN 201220744752 CN 201220744752 U CN201220744752 U CN 201220744752U CN 203054193 U CN203054193 U CN 203054193U
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- breaker
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- line monitoring
- detection unit
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Abstract
The utility model provides an on-line monitoring system for a mechanical characteristic of a vacuum circuit breaker. The on-line monitoring system for the mechanical characteristic comprises a microprocessor, a breaker opening-closing position detection unit and a breaker mechanical-characteristic detection unit, wherein the breaker opening-closing position detection unit is used for detecting opening-closing switching signals and transmitting the signals to the microprocessor, and the breaker mechanical-characteristic detection unit is used for detecting breaker motion signals and transmitting the signals to the microprocessor. The breaker opening-closing position detection unit provided by the utility model detects time of the breaker in an opening-closing switching position to be a basis of the breaker motion time, namely, to be a basis of detection time of a displacement sensor. The detection unit can realize on-line monitoring of the mechanical characteristic of the breaker. The on-line monitoring system provides technology conditions for unattended operation of a substation, a maintenance-free period of the substation is raised, conditions for genuine intelligentization of the substation are created and the system is a monitoring development direction of the future vacuum circuit breaker.
Description
Technical field
The utility model belongs to the technical field of vacuum circuit breaker Performance Detection, particularly a kind of monitoring system that can the on-line monitoring vacuum breaker mechanical features.
Background technology
In power transmission and transformation field and Industry Control, various vacuum circuit breakers are widely used.Vacuum circuit breaker is to finish branch, closing operation by the correct operation of mechanical part, thereby vacuum circuit breaker is in operational process, and various mechanical propertys can constantly worsen.According to the statistics of relevant department, China vacuum circuit breaker accident overwhelming majority comes from mechanical reason.The closing time of vacuum circuit breaker, opening time, switching synchronization, separating brake synchronism and bounce time equal time parameter, steady operation to total system is most important, as not causing enough understanding, the lighter can send a telegraph the net fluctuation, and weight person causes the great electrification of using.
Now, generally use the vacuum breaker mechanical features tester that the vacuum circuit breaker time parameter is accurately measured and calibrated, to ensure the safe and stable operation of using electricity system.Therefore, before use or all must test its mechanical property parameter during overhaul, as minute, the combined floodgate fracture time, divide, switching synchronization; Branch, closing rebound time etc. are to guarantee the normal safe operation of vacuum circuit breaker.But, because present most of transformer stations are the unattended duty station, check again during overhaul by the time, tend to cause because check is untimely, break down, mechanical property that how can the on-line real time monitoring isolating switch becomes a urgent problem.
The utility model content
The purpose of this utility model is to provide a kind of vacuum breaker mechanical features on-line monitoring system, and it is untimely to have solved vacuum circuit breaker check, causes the technical matters of fault.
For solving the problems of the technologies described above, the utility model is achieved by the following technical solutions:
A kind of vacuum breaker mechanical features on-line monitoring system, comprise microprocessor, circuit-breaker switching on-off position detection unit and breaker mechanic property detecting unit, described circuit-breaker switching on-off position detection unit detects the divide-shut brake switching signal and transfers to microprocessor, and described breaker mechanic property detecting unit detects the isolating switch actuating signal and transfers to microprocessor.
Preferably, described circuit-breaker switching on-off position detection unit comprises the voltage sensor that is arranged on the suitable for reading and end opening of isolating switch, and described voltage sensor senses voltage signal also exports microprocessor to by signal processing circuit.
Preferably, described divide-shut brake detecting unit comprises the travel switch that is installed on the isolating switch, and described travel switch detects the divide-shut brake switching signal and transfers to microprocessor.
Preferably, described breaker mechanic property detecting unit comprises displacement transducer, and the displacement transducer detection signal transfers to microprocessor after handling by signal processing circuit.
Compared with prior art, advantage of the present utility model and good effect are: the utility model circuit-breaker switching on-off position detection unit detects isolating switch and is in the time of divide-shut brake switching position as the isolating switch foundation of actuation time, namely as the displacement transducer foundation of detection time, can realize the on-line monitoring of breaker mechanic property.For the unmanned of transformer station provides technical conditions, improved the non-maintaining cycle of transformer station, for realizing real intellectuality, transformer station created condition, and be the direction of following vacuum circuit breaker monitoring development.
After reading the detailed description of the utility model embodiment by reference to the accompanying drawings, other characteristics of the present utility model and advantage will become clearer.
Description of drawings
Fig. 1 is the theory diagram of the utility model specific embodiment.
Embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is described in detail.
Specific embodiment 1:
As shown in Figure 1, the vacuum breaker mechanical features on-line monitoring system has mainly been realized the measurement function of electrical parameter measurement function and switch parameter.Specifically comprise: microprocessor, circuit-breaker switching on-off position detection unit and breaker mechanic property detecting unit, the circuit-breaker switching on-off position detection unit detects the divide-shut brake switching signal and transfers to microprocessor, the breaker mechanic property detecting unit detects the isolating switch actuating signal and transfers to microprocessor, and breaker mechanic property detects and is displacement transducer.The time that circuit-breaker switching on-off position detection unit detection isolating switch is in the divide-shut brake switching position is as the isolating switch foundation of actuation time, namely as the displacement transducer foundation of detection time.
Wherein, the circuit-breaker switching on-off position detection unit comprises the voltage sensor that is arranged on the suitable for reading and end opening of isolating switch, and the voltage sensor senses voltage signal also exports microprocessor to by signal processing circuit.Signal processor comprises A/D change-over circuit and photoelectricity coupled circuit.The signal A/D change-over circuit of voltage sensor senses becomes digital signal, inserts microprocessor through the photoelectricity coupled circuit again and carries out computing, and the data after microprocessor processes, processing are sent to display module and show, finish the measurement to voltage parameter.The measurement of voltage parameter is as the isolating switch foundation of actuation time, in addition aspect the security of system consideration, as the foundation of isolating switch tripping.
Displacement transducer detects the mechanical property of isolating switch, detection signal becomes the logical signal that microprocessor can be identified through rectification circuit, signal recognition circuit, carry out corresponding operating by microprocessor, the state of a control signal output apparatus is realized record and verification to switch parameter and mechanical parameter.
By the testing mechanical characteristic more than 10 times, the structure of determining product has been improved and has not been had discreteness, stores current mechanical property data before the product export, and as factory data.
After vacuum circuit breaker puts into operation, factory data and real-time Monitoring Data are compared verification, determine whether the mechanical property of vacuum circuit breaker is good, whether needs repair and maintenance.
In addition, microprocessor is connected with keyboard and display screen, can show the mechanical property parameter of isolating switch by display screen, and shows that mechanical property worsens record etc.
Specific embodiment 2:
The difference of present embodiment and specific embodiment 1 is: the circuit-breaker switching on-off position detection unit is the travel switch that is installed on the isolating switch, directly transfers to microprocessor after the divide-shut brake switching signal of travel switch detection isolating switch, realizes more convenient.
The utility model vacuum breaker mechanical features on-line monitoring system, can to the closing of vacuum circuit breaker, opening time, three-phase not parameters such as the time same period, reclosure time, bounce time carry out on-line monitoring, and carry out verification with the checking data of microprocessor stores, and the output mechanical property worsens record.
It should be noted that at last: above embodiment only in order to the technical solution of the utility model to be described, is not intended to limit; Although with reference to previous embodiment the utility model is had been described in detail, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment puts down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the spirit and scope of each embodiment technical scheme of the utility model.
Claims (4)
1. vacuum breaker mechanical features on-line monitoring system, it is characterized in that: comprise microprocessor, circuit-breaker switching on-off position detection unit and breaker mechanic property detecting unit, described circuit-breaker switching on-off position detection unit detects the divide-shut brake switching signal and transfers to microprocessor, and described breaker mechanic property detecting unit detects the isolating switch actuating signal and transfers to microprocessor.
2. vacuum breaker mechanical features on-line monitoring system according to claim 1, it is characterized in that: described circuit-breaker switching on-off position detection unit comprises the voltage sensor that is arranged on the suitable for reading and end opening of isolating switch, and described voltage sensor senses voltage signal also exports microprocessor to by signal processing circuit.
3. vacuum breaker mechanical features on-line monitoring system according to claim 1, it is characterized in that: described divide-shut brake detecting unit comprises the travel switch that is installed on the isolating switch, described travel switch detects the divide-shut brake switching signal and also transfers to microprocessor.
4. vacuum breaker mechanical features on-line monitoring system according to claim 1, it is characterized in that: described breaker mechanic property detecting unit comprises displacement transducer, and the displacement transducer detection signal transfers to microprocessor after handling by signal processing circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220744752 CN203054193U (en) | 2012-12-31 | 2012-12-31 | On-line monitoring system for mechanical characteristic of vacuum circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220744752 CN203054193U (en) | 2012-12-31 | 2012-12-31 | On-line monitoring system for mechanical characteristic of vacuum circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203054193U true CN203054193U (en) | 2013-07-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220744752 Expired - Lifetime CN203054193U (en) | 2012-12-31 | 2012-12-31 | On-line monitoring system for mechanical characteristic of vacuum circuit breaker |
Country Status (1)
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| CN (1) | CN203054193U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103499790A (en) * | 2013-09-30 | 2014-01-08 | 河南开启电力实业有限公司 | Online detection device for switching-on/off state of power distribution network |
| 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 |
| CN104698376A (en) * | 2015-03-18 | 2015-06-10 | 国家电网公司 | MMC (multi-media card)-HVDC (high-voltage direct-current transmission) sub-module bypass switch testing device |
| CN111929572A (en) * | 2019-12-20 | 2020-11-13 | 南京南瑞继保电气有限公司 | Circuit breaker opening and closing time estimation device and method |
-
2012
- 2012-12-31 CN CN 201220744752 patent/CN203054193U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103499790A (en) * | 2013-09-30 | 2014-01-08 | 河南开启电力实业有限公司 | Online detection device for switching-on/off state of power distribution network |
| 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 |
| CN104698376A (en) * | 2015-03-18 | 2015-06-10 | 国家电网公司 | MMC (multi-media card)-HVDC (high-voltage direct-current transmission) sub-module bypass switch testing device |
| CN111929572A (en) * | 2019-12-20 | 2020-11-13 | 南京南瑞继保电气有限公司 | Circuit breaker opening and closing time estimation device and method |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130710 |