CN103439093A - Mechanical performance on-line detection device - Google Patents
Mechanical performance on-line detection device Download PDFInfo
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- CN103439093A CN103439093A CN2013103397348A CN201310339734A CN103439093A CN 103439093 A CN103439093 A CN 103439093A CN 2013103397348 A CN2013103397348 A CN 2013103397348A CN 201310339734 A CN201310339734 A CN 201310339734A CN 103439093 A CN103439093 A CN 103439093A
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Abstract
The invention relates to a mechanical performance on-line detection device which comprises an operating isolator, a pressure sensor, a linkage mechanism and a non-contact potentiometer. One end of the pressure sensor is fixedly connected with a movable conducting rod on the bottom portion of a vacuum arc-extinguishing chamber through the operating isolator, and the other end of the pressure sensor is connected with the linkage mechanism through the non-contact potentiometer. The force values output by the pressure sensor are changed to obtain the rigid combination and rigid separating points of a moving contact and a fixed contact in the vacuum arc-extinguishing chamber, and therefore the abrasion degree of the moving contact and the fixed contact is known, meanwhile, the opening distance, the over travel, the speed and other parameters of the vacuum arc-extinguishing chamber are known through the changing curve of the voltage output by the non-contact potentiometer, therefore, the mechanical performance on-line detection of the vacuum arc-extinguishing chamber is achieved, the non-contact potentiometer is in a non-contact type, and therefore the service life of the detection device is prolonged.
Description
Technical field
The present invention relates to the online mechanical property on-line measuring device detected of a kind of mechanical property for vacuum interrupter.
Background technology
Vacuum interrupter, have another name called vacuum switch tube, is the core component of mesohigh power switch, and its Main Function is, by managing insulativity that interior vacuum is good, makes after mesohigh circuitry cuts power supply blow-out rapidly and suppress electric current, avoids accident and unexpected the generation.Before vacuum interrupter comes into operation, usually need to be detected its mechanical property, at present, detection mode commonly used is that the moving conductive rod of vacuum interrupter is fixedly connected with a slide rheostat, by changing the resistance of described slide rheostat, obtain the working value of vacuum interrupter, but because slide rheostat is contact, have wearing and tearing to a certain degree in testing process, affect the serviceable life of pick-up unit; In addition, can't realize the online detection of mechanical property with upper type, for speed, open the parameters such as distance, the excess of stroke and can't detect.
Therefore, how providing the more comprehensive mechanical property on-line measuring device of parameter of a kind of longer service life, detection is those skilled in the art's technical matters urgently to be resolved hurrily.
Summary of the invention
The invention provides a kind of mechanical property on-line measuring device, with the detection of a plurality of mechanical properties of realizing vacuum interrupter, serviceable life of prolonged mechanical characteristic on-line detection device simultaneously.
For solving the problems of the technologies described above, the invention provides a kind of mechanical property on-line measuring device, comprise operation insulator, pressure transducer, link gear and non-contact potentiometer, one end of described pressure transducer is fixedly connected with the moving conductive rod of vacuum interrupter bottom by described operation insulator, and the other end is connected with described link gear by described non-contact potentiometer.
Preferably, an end of described link gear is equipped with a gear, and described gear is meshed with the shaft gear on described non-contact potentiometer.
Preferably, described link gear comprises three-phase linkage mechanism, leverage and driving mechanism, and an end of described three-phase linkage mechanism is connected to described driving mechanism, and the other end is connected to described gear.
Preferably, the top of described vacuum interrupter is provided with wire outlet seat, and bottom is provided with and is flexible coupling.
Mechanical property on-line measuring device provided by the invention, comprise operation insulator, pressure transducer, link gear and non-contact potentiometer, one end of described pressure transducer is fixedly connected with the moving conductive rod of vacuum interrupter bottom by described operation insulator, and the other end is connected with described link gear by described non-contact potentiometer.The present invention utilizes the power value of pressure transducer output to change to obtain just the closing of the indoor dynamic and static contact of vacuum extinction, just branch, thereby understand the degree of wear of dynamic and static contact, understand opening apart from parameters such as, the excess of stroke and speed of vacuum interrupter by the change in voltage curve of described non-contact potentiometer output simultaneously, thereby the mechanical property that completes vacuum interrupter detects online, and described non-contact potentiometer is contactless, thereby extended the serviceable life of pick-up unit of the present invention.
The accompanying drawing explanation
The structural representation of the mechanical property on-line measuring device that Fig. 1 is the embodiment of the invention;
The side view of non-contact potentiometer in the mechanical property on-line measuring device that Fig. 2 is the embodiment of the invention.
In figure: 10-operation insulator, 20-pressure transducer, 30-link gear, 31-three-phase linkage mechanism, 32-leverage, 33-fulcrum, 34-gear, 40-non-contact potentiometer, 41-shaft gear, 50-vacuum interrupter, 51-moving conductive rod, the upper wire outlet seat of 52-, 53-are flexible coupling.
Embodiment
For the technical scheme of more detailed statement foregoing invention, below list specific embodiment and carry out the Proof Technology effect; It is emphasized that these embodiment are not limited to limit the scope of the invention for the present invention is described.
Mechanical property on-line measuring device provided by the invention, as depicted in figs. 1 and 2, comprise operation insulator 10, pressure transducer 20, link gear 30 and non-contact potentiometer 40, one end of described pressure transducer 20 is fixedly connected with the moving conductive rod 51 of vacuum interrupter 50 bottoms by described operation insulator 10, and the other end is connected with described link gear 30 by described non-contact potentiometer 40.The motion of described link gear 30 drives described operation insulator 10 and moves up and down, thereby driving described moving conductive rod 51 moves up and down, and then control dynamic and static contact closure or separate, described pressure transducer 20 is stressed simultaneously, its force value changes, by described dynamic and static contact in just closing, just the branch place force value and normal pressure value relatively, can obtain the degree of wear of the interior dynamic and static contact of described vacuum interrupter 50; Simultaneously, described link gear 30 drives shaft gear 41 rotations on described non-contact potentiometer 40, cause the output voltage of described non-contact potentiometer 40 to change, what the output voltage change curve of operating personnel by described non-contact potentiometer 40 can obtain vacuum interrupter 50 opens the parameters such as distance, the excess of stroke, speed, the mechanical property that completes vacuum interrupter 50 detects online, in addition, the parameter recorded using just the closing of dynamic and static contact that described pressure transducer 20 records, just branch, as reference point, is guaranteed the true and accurate of parameter.
Preferably, please continue to refer to Fig. 1 and Fig. 2, one end of described link gear 30 is equipped with a gear 34, described gear 34 is meshed with the shaft gear 41 on described non-contact potentiometer 40, preferably, described link gear 30 comprises three-phase linkage mechanism 31, leverage 32 and driving mechanism (not shown), one end of described three-phase linkage mechanism 31 is connected to described driving mechanism, the other end is connected to an end of described leverage 32, the other end of described leverage 32 is connected to described gear 34, particularly, described driving mechanism provides driving force, described three-phase linkage mechanism 31 is converted into the driving of described driving mechanism rotatablely moving in the certain limit of described leverage 32 1 sides, again by fulcrum 33 by this rotatablely moving and be converted into rotatablely moving of gear 34 and described shaft gear 41 among a small circle, drive moving up and down of described operation insulator 10 simultaneously.
Preferably, please continue to refer to Fig. 1, the top of described vacuum interrupter 50 is provided with wire outlet seat 52, bottom is provided with and is flexible coupling 53, utilize external unit by described upper wire outlet seat 52 with described be flexible coupling 53 be connected, make itself and described vacuum interrupter 50 form loops, according to the break-make road of described external unit, can reflect that the residing state of the interior dynamic and static contact of vacuum interrupter 50 is closed or separately, be convenient to find just the closing of dynamic and static contact, just branch.
In sum, mechanical property on-line measuring device provided by the invention, comprise operation insulator 10, pressure transducer 20, link gear 30 and non-contact potentiometer 40, one end of described pressure transducer 20 is fixedly connected with the moving conductive rod 51 of vacuum interrupter 50 bottoms by described operation insulator 10, and the other end is connected with described link gear 30 by described non-contact potentiometer 40.The present invention utilizes the power value of pressure transducer 20 output to change to obtain just the closing of vacuum interrupter 50 interior dynamic and static contacts, just branch, thereby understand the degree of wear of dynamic and static contact, understand opening apart from parameters such as, the excess of stroke and speed of vacuum interrupter 50 by the change in voltage curve of described non-contact potentiometer 40 outputs simultaneously, thereby the mechanical property that completes vacuum interrupter 50 detects online, and described non-contact potentiometer 40 is contactless, thereby has extended the serviceable life of pick-up unit of the present invention.
Obviously, those skilled in the art can carry out various changes and modification and not break away from the spirit and scope of the present invention invention.Like this, if, within of the present invention these are revised and modification belongs to the scope of the claims in the present invention and equivalent technologies thereof, the present invention also is intended to comprise these change and modification.
Claims (4)
1. a mechanical property on-line measuring device, it is characterized in that, comprise operation insulator, pressure transducer, link gear and non-contact potentiometer, one end of described pressure transducer is fixedly connected with the moving conductive rod of vacuum interrupter bottom by described operation insulator, and the other end is connected with described link gear by described non-contact potentiometer.
2. mechanical property on-line measuring device as claimed in claim 1, is characterized in that, an end of described link gear is equipped with a gear, and described gear is meshed with the shaft gear on described non-contact potentiometer.
3. mechanical property on-line measuring device as claimed in claim 2, it is characterized in that, described link gear comprises three-phase linkage mechanism, leverage and driving mechanism, and an end of described three-phase linkage mechanism is connected to described driving mechanism, and the other end is connected to described gear.
4. mechanical property on-line measuring device as claimed in claim 1, is characterized in that, the top of described vacuum interrupter is provided with wire outlet seat, and bottom is provided with and is flexible coupling.
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CN2013103397348A CN103439093A (en) | 2013-08-06 | 2013-08-06 | Mechanical performance on-line detection device |
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CN2013103397348A CN103439093A (en) | 2013-08-06 | 2013-08-06 | Mechanical performance on-line detection device |
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Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103675665A (en) * | 2013-12-13 | 2014-03-26 | 中国西电电气股份有限公司 | Device and method for judging break state of switch through pressure change of switch contact |
CN103983448A (en) * | 2014-05-27 | 2014-08-13 | 江苏森源电气股份有限公司 | Mechanical property on-line detecting device |
CN105258932A (en) * | 2015-11-03 | 2016-01-20 | 国家电网公司 | Mechanical service lifetime test apparatus of high-voltage switch contact |
CN105990803A (en) * | 2015-02-02 | 2016-10-05 | 江苏森源电气股份有限公司 | Intelligent medium-voltage insulation characterization pressure laser potential measurement switch cabinet |
CN105990904A (en) * | 2015-02-02 | 2016-10-05 | 江苏森源电气股份有限公司 | Intelligent medium-voltage magnetic field pressure non-contact potential measurement switch cabinet |
CN105990802A (en) * | 2015-02-02 | 2016-10-05 | 江苏森源电气股份有限公司 | Intelligent medium-voltage temperature field pressure photoelectric potential measurement switch cabinet |
CN105990804A (en) * | 2015-02-02 | 2016-10-05 | 江苏森源电气股份有限公司 | Intelligent medium-voltage insulation characterization non-contact potential measurement switch cabinet |
CN107918098A (en) * | 2017-11-20 | 2018-04-17 | 天津平高智能电气有限公司 | A kind of arc-chutes experimental provision |
US10147572B2 (en) | 2016-03-11 | 2018-12-04 | Abb Schweiz Ag | Embedded pole and method of assembling same |
CN109738175A (en) * | 2019-02-14 | 2019-05-10 | 国网冀北电力有限公司电力科学研究院 | The Fast mechanical switch mechanical property of dc circuit breaker monitors system and method |
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Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103675665A (en) * | 2013-12-13 | 2014-03-26 | 中国西电电气股份有限公司 | Device and method for judging break state of switch through pressure change of switch contact |
CN103983448A (en) * | 2014-05-27 | 2014-08-13 | 江苏森源电气股份有限公司 | Mechanical property on-line detecting device |
CN105990803A (en) * | 2015-02-02 | 2016-10-05 | 江苏森源电气股份有限公司 | Intelligent medium-voltage insulation characterization pressure laser potential measurement switch cabinet |
CN105990904A (en) * | 2015-02-02 | 2016-10-05 | 江苏森源电气股份有限公司 | Intelligent medium-voltage magnetic field pressure non-contact potential measurement switch cabinet |
CN105990802A (en) * | 2015-02-02 | 2016-10-05 | 江苏森源电气股份有限公司 | Intelligent medium-voltage temperature field pressure photoelectric potential measurement switch cabinet |
CN105990804A (en) * | 2015-02-02 | 2016-10-05 | 江苏森源电气股份有限公司 | Intelligent medium-voltage insulation characterization non-contact potential measurement switch cabinet |
CN105990804B (en) * | 2015-02-02 | 2017-10-31 | 江苏森源电气股份有限公司 | Pressure insulation characterizes pressure noncontact location switch cubicle in a kind of intelligence |
CN105258932A (en) * | 2015-11-03 | 2016-01-20 | 国家电网公司 | Mechanical service lifetime test apparatus of high-voltage switch contact |
CN105258932B (en) * | 2015-11-03 | 2017-12-05 | 国家电网公司 | High-voltage switch contact mechanical endurance test device |
US10147572B2 (en) | 2016-03-11 | 2018-12-04 | Abb Schweiz Ag | Embedded pole and method of assembling same |
CN107918098A (en) * | 2017-11-20 | 2018-04-17 | 天津平高智能电气有限公司 | A kind of arc-chutes experimental provision |
CN109738175A (en) * | 2019-02-14 | 2019-05-10 | 国网冀北电力有限公司电力科学研究院 | The Fast mechanical switch mechanical property of dc circuit breaker monitors system and method |
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Application publication date: 20131211 |