CN103983448B - Mechanical property on-line measuring device - Google Patents
Mechanical property on-line measuring device Download PDFInfo
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- CN103983448B CN103983448B CN201410227949.5A CN201410227949A CN103983448B CN 103983448 B CN103983448 B CN 103983448B CN 201410227949 A CN201410227949 A CN 201410227949A CN 103983448 B CN103983448 B CN 103983448B
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- link gear
- fixed
- displacement transducer
- mechanical property
- insulator
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Abstract
The present invention relates to a kind of mechanical property on-line measuring device, including operation insulator, link gear and the first displacement transducer and second displacement sensor, the operation insulator is fixedly connected with the moving conductive rod of vacuum interrupter bottom, the bottom of the operation insulator is fixed in one end of first displacement transducer, the other end is fixed on the link gear, and the second displacement sensor is fixed on the end that the link gear is connected with first displacement transducer.The present invention will operate the change in displacement between insulator and link gear to be converted into electricity output using the first displacement transducer, and the firm conjunction of dynamic and static contact, firm branch in vacuum extinction room are obtained using the change of the electricity output valve, so as to understand the degree of wear of dynamic and static contact；The total kilometres of primary circuit are found by the work of second displacement sensor simultaneously, as datum mark, so as to complete the mechanical property on-line checking of vacuum interrupter, and the reliability of detection means are improved.
Description
Technical field
The present invention relates to a kind of mechanical property on-line measuring device of the mechanical property on-line checking for vacuum interrupter.
Background technology
Vacuum interrupter, also known as vacuum switch tube, are the core components of mesohigh power switch, and its main function is to lead to
Crossing the excellent insulating properties of vacuum in pipe makes after mesohigh circuitry cuts power supply that rapid blow-out and electric current can be suppressed, it is to avoid accident and meaning
Outer generation.Before vacuum interrupter comes into operation, it usually needs its mechanical property is detected, at present, conventional detection
Mode is to be fixedly connected with the moving conductive rod of vacuum interrupter with a slide rheostat, then the fortune of the moving conductive rod of vacuum interrupter
It is dynamic to change the resistance of the slide rheostat, so that the working value of vacuum interrupter is obtained, but because slide rheostat is to connect
Touch, a certain degree of abrasion is had in detection process, the service life of detection means is influenceed；In addition, with upper type without
Method realizes the on-line checking of mechanical property, for speed, opens and can not be detected away from parameters such as the, excess of stroke.
Therefore, how to provide that a kind of service life is longer, detection parameter more comprehensive mechanical property on-line checking dress
It is those skilled in the art's technical problem urgently to be resolved hurrily to put.
The content of the invention
The present invention provides a kind of mechanical property on-line measuring device, with the inspection for the multiple mechanical properties for realizing vacuum interrupter
Survey, while the service life of prolonged mechanical characteristic on-line detection device, improving its job stability.
In order to solve the above technical problems, a kind of mechanical property on-line measuring device of present invention offer, including operation insulator,
Link gear and the first displacement transducer and second displacement sensor, the operation insulator are dynamic with vacuum interrupter bottom
Conducting rod is fixedly connected, and the bottom of the operation insulator is fixed in one end of first displacement transducer, and the other end is fixed
In on the link gear, the second displacement sensor is fixed on the link gear and is connected with first displacement transducer
End.
It is preferred that first displacement transducer uses linear displacement transducer.
It is preferred that the linear displacement transducer uses resistance sensor.
It is preferred that the resistance sensor includes resistive element and brush, the resistive element is fixed on the operation
Interior insulator, one end of the brush is fixed on the link gear, and the other end stretches into the operation interior insulator, and
Moved along a straight line under the drive of the link gear relative to the resistive element.
It is preferred that the link gear includes three-phase linkage mechanism, leverage and drive mechanism, the three-phase connecting rod
One end of mechanism is connected to the drive mechanism, and the other end is connected to one end of the leverage, the leverage it is another
One end is fixedly connected with the brush.
It is preferred that the top of the vacuum interrupter is provided with upper wire outlet seat, bottom, which is provided with, to be flexible coupling.
The mechanical property on-line measuring device that the present invention is provided, including operation insulator, link gear and the first displacement
Sensor and second displacement sensor, the operation insulator are fixedly connected with the moving conductive rod of vacuum interrupter bottom, described
The bottom of the operation insulator is fixed in one end of first displacement transducer, and the other end is fixed on the link gear, institute
State second displacement sensor and be fixed on the end that the link gear is connected with first displacement transducer.The present invention is utilized
First displacement transducer will operate the change in displacement between insulator and link gear to be converted into electricity output, and utilize the electricity
The change of output valve obtains the firm conjunction of dynamic and static contact, firm branch in vacuum extinction room, so as to understand the abrasion journey of dynamic and static contact
Degree；The total kilometres of primary circuit are found by the work of second displacement sensor simultaneously, the benchmark of the first displacement transducer is used as
Point, so as to complete the mechanical property on-line checking of vacuum interrupter, and improves the reliability of detection means.
Brief description of the drawings
Fig. 1 is the front view of the mechanical property on-line measuring device of the embodiment of the invention；
Fig. 2 is the side view of the mechanical property on-line measuring device of the embodiment of the invention.
In figure：10- operation insulator, 20- link gears, 21- three-phase linkage mechanisms, 22- leverages, 23- fulcrums,
The displacement transducers of 30- first, 31- resistive elements, 32- brushes, 40- second displacements sensor, 50- vacuum interrupters, 51- are dynamic to be led
The upper wire outlet seat of electric pole, 52-, 53- are flexible coupling.
Embodiment
In order to more state the technical scheme of foregoing invention in detail, being exemplified below specific embodiment proves that technology is imitated
Really；It is emphasized that these embodiments are used to illustrate the present invention and be not limited to limit the scope of the present invention.
The mechanical property on-line measuring device that the present invention is provided, as depicted in figs. 1 and 2, including operation insulator 10, linkage
The displacement transducer 30 of mechanism 20 and first and second displacement sensor 40, the operation insulator 10 and the bottom of vacuum interrupter 50
The moving conductive rod 51 in portion is fixedly connected, and the bottom of the operation insulator 10 is fixed in one end of first displacement transducer 30
Portion, the other end is fixed on the link gear 20, and the second displacement sensor 40 is fixed on the link gear 20 and institute
State the connected end of the first displacement transducer 30.The motion of the link gear 20 drives the operation insulator to be transported about 10
Dynamic (direction of arrow in figure), so as to drive the moving conductive rod 51 to move up and down, and then controls dynamic and static contact closure or separates,
Meanwhile, the first displacement transducer 30 being installed between the link gear 20 and operation insulator 10 is worked, and operation is insulated
Straight-line displacement change between son 10 and link gear 20 is converted into electricity output, and dynamic and static touch is found by the electricity output valve
Firm conjunction, firm branch and the overtravel of head, you can obtain the degree of wear of the dynamic and static contact in the vacuum interrupter 50；When
When the link gear 20 is moved, also drive the second displacement sensor 40 to move up and down simultaneously, find the total of primary circuit
Stroke, the displacement of the vertical direction to detect link gear 20, the datum mark worked as the first displacement transducer 30, really
The true and accurate of parameter is protected, passes through the firm conjunction of dynamic and static contact, firm branch and overtravel and total kilometres, you can accurately test out
The mechanical property of vacuum interrupter 50.
It is preferred that please continue to refer to Fig. 1 and Fig. 2, first displacement transducer 30 uses linear displacement transducer, this reality
Apply and resistance sensor is used in example, specifically, the resistance sensor includes resistive element 31 and brush 32, the resistance
Element 31 is fixed on inside the operation insulator 10, and one end of the brush 32 is fixed on the link gear 20, another
End is stretched into inside the operation insulator 10, and is done directly relative to the resistive element 31 under the drive of the link gear 20
Line is moved, and can is contactless between the resistive element 31 and brush 32, so as to reduce loss, be improved the use of detection means
Life-span.In addition, the resistance sensor has the characteristics of simple in construction, output accuracy is higher, linear and stability is good, compare
In the other kinds of sensor such as pressure sensor, it has higher reliability so that test system is more stablized.
It is preferred that ask emphasis to refer to Fig. 1, the link gear 20 include three-phase linkage mechanism 21, leverage 22 and
Drive mechanism (not shown), one end of the three-phase linkage mechanism 21 is connected to the drive mechanism, and the other end is connected to
One end of the leverage 22, the other end of the leverage 22 is fixedly connected with the brush 32.Specifically, it is described to drive
Motivation structure provides driving force, and the driving force of the drive mechanism is converted into the leverage 22 by the three-phase linkage mechanism 21
The a range of rotary motion of side, then by fulcrum 23 by the convert rotational motion of the small range for operation insulator 10
Up and down motion.
It is preferred that please continue to refer to Fig. 1 and Fig. 2, the top of the vacuum interrupter 50 is provided with upper wire outlet seat 52, and bottom is set
Have and be flexible coupling 53, using external equipment by the upper wire outlet seat 52 with it is described be flexible coupling 53 be connected, make itself and the vacuum extinction
Room 50 forms loop, according to residing for the break-make road of the external equipment can reflect dynamic and static contact in vacuum interrupter 50
State is closure or separated, and is easy to find the firm conjunction of dynamic and static contact, firm branch.
In summary, the mechanical property on-line measuring device that the present invention is provided, including operation insulator 10, link gear 20
And first displacement transducer 30 and second displacement sensor 40, the operation insulator 10 is dynamic with the bottom of vacuum interrupter 50
Conducting rod 51 is fixedly connected, and the bottom of the operation insulator 10 is fixed in one end of first displacement transducer 30, another
End is fixed on the link gear 20, and the second displacement sensor 40 is fixed on the link gear 20 and described first
The connected end of displacement sensor 30.The present invention using the first displacement transducer 30 will operation insulator 10 and link gear 20 it
Between change in displacement be converted into electricity output, and using the electricity output valve change obtain in vacuum interrupter 50 it is dynamic and static touch
The firm conjunction of head, firm branch, so as to understand the degree of wear of dynamic and static contact；Looked for simultaneously by the work of second displacement sensor 40
To the total kilometres of primary circuit, the datum mark worked as the first displacement transducer 30, so as to complete the machinery of vacuum interrupter
Characteristic on-line checking, and improve the reliability of detection means.
Obviously, those skilled in the art can carry out the spirit of various changes and modification without departing from the present invention to invention
And scope.So, if these modifications and variations of the present invention belong to the claims in the present invention and its equivalent technologies scope it
Interior, then the present invention is also intended to including these changes and modification.
Claims (3)
1. a kind of mechanical property on-line measuring device, it is characterised in that including operation insulator, link gear and the first displacement
Sensor and second displacement sensor, the operation insulator are fixedly connected with the moving conductive rod of vacuum interrupter bottom, described
The bottom of the operation insulator is fixed in one end of first displacement transducer, and the other end is fixed on the link gear, institute
State second displacement sensor and be fixed on the end that the link gear is connected with first displacement transducer, it is described first
Displacement sensor uses linear displacement transducer, and the linear displacement transducer uses resistance sensor, the resistance-type sensing
Device includes resistive element and brush, and the resistive element is fixed on the operation interior insulator, and one end of the brush is fixed
In on the link gear, the other end stretches into the operation interior insulator, and under the drive of the link gear relative to
The resistive element moves along a straight line.
2. mechanical property on-line measuring device as claimed in claim 1, it is characterised in that the link gear includes three and is connected
Linkage, leverage and drive mechanism, one end of the three-phase linkage mechanism are connected to the drive mechanism, and the other end connects
One end of the leverage is connected to, the other end of the leverage is fixedly connected with the brush.
3. mechanical property on-line measuring device as claimed in claim 1, it is characterised in that set at the top of the vacuum interrupter
There is upper wire outlet seat, bottom, which is provided with, to be flexible coupling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410227949.5A CN103983448B (en) | 2014-05-27 | 2014-05-27 | Mechanical property on-line measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410227949.5A CN103983448B (en) | 2014-05-27 | 2014-05-27 | Mechanical property on-line measuring device |
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| Publication Number | Publication Date |
|---|---|
| CN103983448A CN103983448A (en) | 2014-08-13 |
| CN103983448B true CN103983448B (en) | 2017-10-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410227949.5A Active CN103983448B (en) | 2014-05-27 | 2014-05-27 | Mechanical property on-line measuring device |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107367362B (en) * | 2017-06-22 | 2019-07-26 | 西安工程大学 | Composite insulator fatigue rupture detection method based on image procossing |
| CN108983080B (en) * | 2018-04-24 | 2021-05-25 | 河南平高电气股份有限公司 | Circuit breaker simulated load test device for operating mechanism |
| CN111692958B (en) * | 2020-07-06 | 2024-06-07 | 浙江工业大学 | Device and method for measuring shield posture in steel sleeve |
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| CH643085A5 (en) * | 1979-04-30 | 1984-05-15 | Sprecher & Schuh Ag | Method and device for contact-point monitoring |
| CN102620922A (en) * | 2012-03-28 | 2012-08-01 | 常州森隆电力科技有限公司 | Measuring equipment and method for just splitting and closing of breaker by piezoelectric ceramic sensor |
| CN103439094A (en) * | 2013-08-06 | 2013-12-11 | 江苏森源电气股份有限公司 | Mechanical performance on-line detection device |
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| JP2689725B2 (en) * | 1990-11-24 | 1997-12-10 | 富士電機株式会社 | Vacuum valve |
| DE69323160T2 (en) * | 1992-11-26 | 1999-09-02 | Schneider Electric S.A. | Opening and closing mechanism for an electrical medium or high voltage switch |
| RU2081468C1 (en) * | 1994-07-12 | 1997-06-10 | Товарищество с ограниченной ответственностью "КАНПАК" | Vacuum circuit breaker |
| DE19604203A1 (en) * | 1996-02-06 | 1997-08-07 | Abb Patent Gmbh | Process for in operation monitoring of HV switches |
| DE19753177B4 (en) * | 1997-11-20 | 2007-09-20 | Siemens Ag | Drive for circuit breaker of a switchgear |
| CN2879397Y (en) * | 2006-03-04 | 2007-03-14 | 吉林龙鼎电气股份有限公司 | Vacuum circuit breaker with contact wear thickness detection device |
| CN201440395U (en) * | 2009-07-03 | 2010-04-21 | 北京华东森源电气有限责任公司 | Vacuum arc extinguish chamber and main circuit structure using same |
| 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 |
| CN202905574U (en) * | 2012-10-17 | 2013-04-24 | 吉林龙鼎电气股份有限公司 | Vacuum circuit breaker having electronic contact wear thickness detection device |
| CN103439093A (en) * | 2013-08-06 | 2013-12-11 | 江苏森源电气股份有限公司 | Mechanical performance on-line detection device |
| CN203869859U (en) * | 2014-05-27 | 2014-10-08 | 江苏森源电气股份有限公司 | Mechanical characteristic online detection device |
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2014
- 2014-05-27 CN CN201410227949.5A patent/CN103983448B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH643085A5 (en) * | 1979-04-30 | 1984-05-15 | Sprecher & Schuh Ag | Method and device for contact-point monitoring |
| CN102620922A (en) * | 2012-03-28 | 2012-08-01 | 常州森隆电力科技有限公司 | Measuring equipment and method for just splitting and closing of breaker by piezoelectric ceramic sensor |
| CN103439094A (en) * | 2013-08-06 | 2013-12-11 | 江苏森源电气股份有限公司 | Mechanical performance on-line detection device |
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| CN103983448A (en) | 2014-08-13 |
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