CN202066680U - On-line monitoring device for mechanical properties of vacuum circuit breaker - Google Patents
On-line monitoring device for mechanical properties of vacuum circuit breaker Download PDFInfo
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- CN202066680U CN202066680U CN2011201419086U CN201120141908U CN202066680U CN 202066680 U CN202066680 U CN 202066680U CN 2011201419086 U CN2011201419086 U CN 2011201419086U CN 201120141908 U CN201120141908 U CN 201120141908U CN 202066680 U CN202066680 U CN 202066680U
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- circuit breaker
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Abstract
The utility model discloses an on-line monitoring device for the mechanical properties of a vacuum circuit breaker. The on-line monitoring device is mounted in the vacuum circuit breaker, and the vacuum circuit breaker comprises a vacuum tube, an insulation pull rod, a connecting rod and an operating mechanism, wherein the insulation pull rod is connected to the lower end of the vacuum tube and further connected with the operating mechanism through the connecting rod; and the operating mechanism is further connected with an energy storage spring. The on-line monitoring device further comprises a force sensor, a signal conditioning module, a data processing module and a communication module; wherein, the force sensor is arranged on the insulation pull rod or connecting rod; the input end of the signal conditioning module is connected with the output end of the force sensor; the input end of the data processing module is connected with the output end of the signal conditioning module; and the input end of the communication module is connected with the output end of the data processing module. Through adopting the on-line monitoring device provided by the utility model, the mechanical property parameters, such as opening time, closing time, contact terminal pressure, overtravel and the like, can be obtained, so the on-line monitoring device has an overall monitoring efficacy and can avoid potential hazards caused by insulation problem.
Description
Technical field
The utility model relates to power equipment online measuring technique field, relates to a kind of on-Line Monitor Device of utilizing force transducer to monitor vacuum breaker mechanical features in particular.
Background technology
In the electric system device, vacuum circuit breaker is important power equipment, and has enormous amount, the maintenance amount is big and expense is high characteristics.Data show according to the relevent statistics, and the over half of transformer station's maintenance cost is to be used on the primary cut-out, and 60% are light maintenance and the regular maintenances that is used for isolating switch wherein.The mechanical property that past implements vacuum circuit breaker detects, and mainly is regularly to carry out in conjunction with maintenance in the equipment outage, thereby changes parts and carry out the mechanical property inspection etc. of operating mechanism.
Experience shows that frequent operation and excessive field-strip can reduce the reliable in action of vacuum circuit breaker.Therefore, vacuum circuit breaker being implemented condition diagnosing or real time on-line monitoring, will help to grasp its operation characteristic and variation tendency, scheduled overhaul is changed to repair based on condition of component, is according to making maintenance decision with the online monitoring data.
The vacuum breaker mechanical features parameter mainly comprises opening time, closing time, contact pressure and the excess of stroke etc., existing monitoring to the vacuum breaker mechanical features parameter all is to utilize linear movement pick-up to measure, and this linear movement pick-up is installed in vacuum circuit breaker moving contact insulated tension pole bottom.But because it is installed on the insulated tension pole bottom, the rectilinear motion requisite space is bigger, is unfavorable for the miniaturization of equipment; The linear transducer pull bar influences measurement result owing to wear and tear, be out of shape and cause error.In addition, linear movement pick-up also can't monitor parameters such as contact pressure.
In view of this, the above-mentioned defective further investigation the when inventor monitors at existing vacuum breaker mechanical features has this case to produce then.
The utility model content
The purpose of this utility model is to provide a kind of on-Line Monitor Device of vacuum breaker mechanical features, with deficiency that solves sensor in the prior art and the problem that can't monitor the contact pressure parameter simultaneously.
In order to reach above-mentioned purpose, solution of the present utility model is:
A kind of on-Line Monitor Device of vacuum breaker mechanical features, wherein, be installed in vacuum circuit breaker inside, this vacuum circuit breaker has vacuum bubbles, insulated tension pole, connecting rod and operating mechanism, this insulated tension pole is connected the vacuum bubbles lower end, and by connecting rod and linking to each other with operating mechanism, this operating mechanism also is connected with energy-stored spring; This on-Line Monitor Device comprises force transducer, signal condition module, data processing module and communication module, this force transducer is arranged on insulated tension pole or the connecting rod, the input end of this signal condition module links to each other with the output terminal of force transducer, the input end of this data processing module links to each other with the output terminal of signal condition module, and the input end of this communication module links to each other with the output terminal of data processing module.
Further, this connecting rod has the girt and second pull bar, and this force transducer then is arranged between insulated tension pole and the girt, perhaps between the girt and second pull bar.
Further, this force transducer is by riveted joint or be threaded and link to each other with girt with insulated tension pole respectively, and perhaps girt links to each other with second pull bar.
Further, this force transducer is piezoelectric type or strain-type and the force transducer with two-way range.
Further, this communication module adopts the communication mode based on RS232, RS485, Ethernet or mobile data network.
Further, this operating mechanism is spring operating mechanism or permanent-magnet operating mechanism.
After adopting said structure, the utility model relates to a kind of on-Line Monitor Device of vacuum breaker mechanical features, by force transducer being arranged on insulated tension pole or the connecting rod, when operating mechanism has energy output, this force transducer can sense the variation of installation site pulling force or pressure, and to the signal condition module output signal; When vacuum bubbles reached firm chalaza, insulated tension pole also can be continued compression and be exported energy to force transducer, and this moment, this force transducer also can be to the signal condition module output signal; When vacuum bubbles is stabilized in the final position, then can obtain contact pressure according to the signal of this force transducer output; So firm chalaza of basis and final contact pressure calculate the excess of stroke of vacuum circuit breaker; Closing time and opening time then can draw in conjunction with the time of vacuum circuit breaker divide-shut brake coil motion.Thus, the utility model can obtain mechanical property parameters such as opening time, closing time, contact pressure and the excess of stroke, so have the effect of comprehensive monitoring, can also avoid the hidden danger of bringing because of Insulation Problems simultaneously.
Description of drawings
Fig. 1 relates to a kind of structural representation of on-Line Monitor Device of vacuum breaker mechanical features for the utility model;
Fig. 2 is a theory diagram of the present utility model.
Among the figure:
Insulated tension pole 2 connecting rods 3
Girt 31 second pull bars 32
Operating mechanism 4 energy-stored springs 41
On-Line Monitor Device 5 force transducers 51
Signal condition module 52 data processing modules 53
Communication module 54.
Embodiment
In order further to explain the technical solution of the utility model, the utility model is elaborated below by specific embodiment.
As shown in Figure 1, shown in it is the structural representation of the applied vacuum circuit breaker 100 of the utility model, this vacuum circuit breaker 100 has vacuum bubbles 1, insulated tension pole 2, connecting rod 3 and operating mechanism 4, and this connecting rod 3 specifically is divided into two sections again, i.e. the girt 31 and second pull bar 32; This insulated tension pole 2 is connected vacuum bubbles 1 lower end, and by connecting rod 3 and linking to each other with operating mechanism 4, this operating mechanism 4 also is connected with energy-stored spring 41, this operating mechanism 4 is by energy-stored spring 41 output energy, and via second pull bar 32 and girt 31, and transfer energy to insulated tension pole 2, drive vacuum bubbles 1 motion to reach, finish the on/off switch operation, this operating mechanism 4 specifically can be selected spring operating mechanism 4 or permanent-magnet operating mechanism 4 for use.
The on-Line Monitor Device 5 that the utility model relates to is installed in vacuum circuit breaker 100 inside, so do not influence the parameters of vacuum circuit breaker 100 fully.Please cooperate consult shown in Figure 2, this on-Line Monitor Device 5 comprises force transducer 51, signal condition module 52, data processing module 53 and communication module 54, this force transducer 51 is arranged on the connecting rod 3, preferably be set directly between the girt 31 and second pull bar 32, specifically can adopt the riveted joint or be threaded; The input end of this signal condition module 52 links to each other with the output terminal of force transducer 51, and the input end of this data processing module 53 links to each other with the output terminal of signal condition module 52, and the input end of this communication module 54 links to each other with the output terminal of data processing module 53.Need to prove that this force transducer 51 can also be arranged between insulated tension pole 2 and the girt 31, insulated tension pole 2 can certainly be divided into two sections and be set directly on the insulated tension pole 2.
These communication module 54 preferred communication modes that adopt based on RS485 or Ethernet; 51 of this force transducers are piezoelectric type or strain-type, and have two-way range.
Like this, after this force transducer 51 of the utility model obtains sensing signal, after signal condition module 52 and data processing module 53 rough handlings, transfer out by communication module 54.Specific as follows:
When operating mechanism 4 has energy when output, this force transducer 51 can sense this energy and to signal condition module 52 output signals;
When vacuum bubbles 1 reaches firm chalaza, also can compress insulated tension pole 2 and to force transducer 51 output energy, this moment, this force transducer 51 also can be to signal condition module 52 output signals;
When vacuum bubbles 1 is stabilized in the final position, then can obtain contact pressure according to the signal of these force transducer 51 outputs; So, can calculate the excess of stroke of vacuum circuit breaker 100 according to firm chalaza and final contact pressure; Closing time and opening time then can draw in conjunction with the time of vacuum circuit breaker 100 divide-shut brake coil motion.
In sum, the utility model can obtain mechanical property parameters such as opening time, closing time, contact pressure and the excess of stroke, so have the effect of comprehensive monitoring; Simultaneously by force transducer 51 is arranged on the connecting rod 3, thereby guarantee that force transducer 51 can not be subjected to the influence that brings because of Insulation Problems.
The foregoing description and graphic and non-limiting product form of the present utility model and style, any person of an ordinary skill in the technical field all should be considered as not breaking away from patent category of the present utility model to its suitable variation or modification of doing.
Claims (6)
1. the on-Line Monitor Device of a vacuum breaker mechanical features, it is characterized in that, be installed in vacuum circuit breaker inside, this vacuum circuit breaker has vacuum bubbles, insulated tension pole, connecting rod and operating mechanism, this insulated tension pole is connected the vacuum bubbles lower end, and by connecting rod and linking to each other with operating mechanism, this operating mechanism also is connected with energy-stored spring; This on-Line Monitor Device comprises force transducer, signal condition module, data processing module and communication module, this force transducer is arranged on insulated tension pole or the connecting rod, the input end of this signal condition module links to each other with the output terminal of force transducer, the input end of this data processing module links to each other with the output terminal of signal condition module, and the input end of this communication module links to each other with the output terminal of data processing module.
2. a kind of on-Line Monitor Device of vacuum breaker mechanical features according to claim 1, it is characterized in that, this connecting rod has the girt and second pull bar, and this force transducer then is arranged between insulated tension pole and the girt, perhaps between the girt and second pull bar.
3. as the on-Line Monitor Device of a kind of vacuum breaker mechanical features as described in the claim 2, it is characterized in that this force transducer is by riveted joint or be threaded and link to each other with girt with insulated tension pole respectively, perhaps girt links to each other with second pull bar.
4. as the on-Line Monitor Device of claim 1 to 3 a kind of vacuum breaker mechanical features as described in each, it is characterized in that this force transducer is piezoelectric type or strain-type and the force transducer with two-way range.
5. a kind of on-Line Monitor Device of vacuum breaker mechanical features according to claim 1 is characterized in that, this communication module adopts the communication mode based on RS232, RS485, Ethernet or mobile data network.
6. a kind of on-Line Monitor Device of vacuum breaker mechanical features according to claim 1 is characterized in that this operating mechanism is spring operating mechanism or permanent-magnet operating mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201419086U CN202066680U (en) | 2011-05-06 | 2011-05-06 | On-line monitoring device for mechanical properties of vacuum circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201419086U CN202066680U (en) | 2011-05-06 | 2011-05-06 | On-line monitoring device for mechanical properties of vacuum circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202066680U true CN202066680U (en) | 2011-12-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201419086U Expired - Fee Related CN202066680U (en) | 2011-05-06 | 2011-05-06 | On-line monitoring device for mechanical properties of vacuum circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202066680U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102269650A (en) * | 2011-05-06 | 2011-12-07 | 厦门Abb开关有限公司 | Online monitoring device of mechanical characteristics of vacuum circuit breaker |
| CN102901622A (en) * | 2012-09-06 | 2013-01-30 | 东南大学 | Vacuum circuit breaker mechanical parameter online monitoring method based on three-phase displacement signal |
| CN103245496A (en) * | 2013-05-08 | 2013-08-14 | 人民电器集团有限公司 | Testing method for mechanical properties of circuit breaker |
| CN103594294A (en) * | 2013-11-28 | 2014-02-19 | 人民电器集团有限公司 | Method for detecting mechanical characteristics of circuit breaker operating mechanism and circuit breaker operating mechanism |
| CN105424525A (en) * | 2015-12-18 | 2016-03-23 | 江苏森源电气股份有限公司 | Acquisition system, judgment system, acquisition method and judgment method for circuit breaker contact wear |
| US10147572B2 (en) | 2016-03-11 | 2018-12-04 | Abb Schweiz Ag | Embedded pole and method of assembling same |
| CN110192115A (en) * | 2017-06-19 | 2019-08-30 | Abb瑞士股份有限公司 | Method and apparatus for monitoring breaker and the Internet of Things using this method and device |
| WO2021253403A1 (en) * | 2020-06-19 | 2021-12-23 | 江山海维科技有限公司 | Inspection apparatus for production of high-voltage vacuum interrupter |
-
2011
- 2011-05-06 CN CN2011201419086U patent/CN202066680U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102269650A (en) * | 2011-05-06 | 2011-12-07 | 厦门Abb开关有限公司 | Online monitoring device of mechanical characteristics of vacuum circuit breaker |
| CN102901622A (en) * | 2012-09-06 | 2013-01-30 | 东南大学 | Vacuum circuit breaker mechanical parameter online monitoring method based on three-phase displacement signal |
| CN102901622B (en) * | 2012-09-06 | 2014-12-24 | 东南大学 | Vacuum circuit breaker mechanical parameter online monitoring method based on three-phase displacement signal |
| CN103245496A (en) * | 2013-05-08 | 2013-08-14 | 人民电器集团有限公司 | Testing method for mechanical properties of circuit breaker |
| CN103245496B (en) * | 2013-05-08 | 2016-01-06 | 人民电器集团有限公司 | The detection method of breaker mechanic property |
| CN103594294A (en) * | 2013-11-28 | 2014-02-19 | 人民电器集团有限公司 | Method for detecting mechanical characteristics of circuit breaker operating mechanism and circuit breaker operating mechanism |
| CN105424525A (en) * | 2015-12-18 | 2016-03-23 | 江苏森源电气股份有限公司 | Acquisition system, judgment system, acquisition method and judgment method for circuit breaker contact wear |
| CN105424525B (en) * | 2015-12-18 | 2019-03-26 | 江苏森源电气股份有限公司 | Contact of breaker abrasion acquisition system judges system, acquisition method and judgment method |
| US10147572B2 (en) | 2016-03-11 | 2018-12-04 | Abb Schweiz Ag | Embedded pole and method of assembling same |
| CN110192115A (en) * | 2017-06-19 | 2019-08-30 | Abb瑞士股份有限公司 | Method and apparatus for monitoring breaker and the Internet of Things using this method and device |
| WO2021253403A1 (en) * | 2020-06-19 | 2021-12-23 | 江山海维科技有限公司 | Inspection apparatus for production of high-voltage vacuum interrupter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111207 Termination date: 20170506 |