CN103439094A - Mechanical performance on-line detection device - Google Patents
Mechanical performance on-line detection device Download PDFInfo
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- CN103439094A CN103439094A CN2013103399076A CN201310339907A CN103439094A CN 103439094 A CN103439094 A CN 103439094A CN 2013103399076 A CN2013103399076 A CN 2013103399076A CN 201310339907 A CN201310339907 A CN 201310339907A CN 103439094 A CN103439094 A CN 103439094A
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- laser displacement
- displacement sensor
- vacuum interrupter
- reverberator
- fixedly connected
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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 laser displacement sensor. 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, the other end of the pressure sensor is fixedly connected with the linkage mechanism, the laser displacement sensor comprises a transmitting and receiving device and a reflector, the reflector is fixed to the operating isolator, and the position of the transmitting and receiving device corresponds to that of the reflector. 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 laser displacement sensor, therefore, the mechanical performance on-line detection of the vacuum arc-extinguishing chamber is achieved. The laser displacement sensor 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 laser displacement sensor, one end of described pressure transducer is fixedly connected with the moving conductive rod of vacuum interrupter bottom by described operation insulator, the other end is fixedly connected with described link gear, described laser displacement sensor comprises transceiver and reverberator, described reverberator is fixed on described operation insulator, and described transceiver is corresponding with the position of described reverberator.
Preferably, described link gear comprises three-phase linkage mechanism, leverage and driving mechanism, one end of described three-phase linkage mechanism is connected to described driving mechanism, and the other end is connected to an end of described leverage, and the other end of described leverage is connected to described pressure transducer.
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 laser displacement sensor, one end of described pressure transducer is fixedly connected with the moving conductive rod of vacuum interrupter bottom by described operation insulator, the other end is fixedly connected with described link gear, described laser displacement sensor comprises transceiver and reverberator, described reverberator is fixed on described operation insulator, and described transceiver is corresponding with the position of described reverberator.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 laser displacement sensor output simultaneously, thereby the mechanical property that completes vacuum interrupter detects online, and described laser displacement sensor 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.
In figure: 10-operation insulator, 20-pressure transducer, 30-link gear, 31-three-phase linkage mechanism, 32-leverage, 33-fulcrum, 40-laser displacement sensor, 41-transceiver, 42-reverberator, 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 shown in Figure 1, comprise operation insulator 10, pressure transducer 20, link gear 30 and laser displacement sensor 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, the other end is fixedly connected with described link gear 30, described laser displacement sensor 40 comprises transceiver 41 and reverberator 42, described reverberator 42 is fixed on described operation insulator 10, described transceiver 41 is corresponding with the position of described reverberator 42.The motion of described link gear 30 drives described operation insulator 10 move up and down (direction of arrow in figure), 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, when described operation insulator 10 moves up and down, also drive described reverberator 42 moves up and down simultaneously, thereby change the distance between described reverberator 42 and described transceiver 41, make the output voltage of described laser displacement sensor 40 change, operating personnel can obtain the distance of opening of vacuum interrupter 50 by the output voltage change curve of described laser displacement sensor 40, the excess of stroke, the parameters such as speed, the mechanical property that completes vacuum interrupter 50 detects online, in addition, it is moving that the parameter recorded records with described pressure transducer 20, just closing of stationary contact, just branch is as reference point, guarantee the true and accurate of parameter.
Preferably, please continue to refer to Fig. 1, 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 pressure transducer 20, 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 operation the moving up and down of insulator 10 among a small circle.
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 laser displacement sensor 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, the other end is fixedly connected with described link gear 30, described laser displacement sensor 40 comprises transceiver 41 and reverberator 42, described reverberator 42 is fixed on described operation insulator 10, described transceiver 41 is corresponding with the position of described reverberator 42.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 laser displacement sensor 40 outputs simultaneously, thereby the mechanical property that completes vacuum interrupter 50 detects online, and described laser displacement sensor 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 (3)
1. a mechanical property on-line measuring device, it is characterized in that, comprise operation insulator, pressure transducer, link gear and laser displacement sensor, one end of described pressure transducer is fixedly connected with the moving conductive rod of vacuum interrupter bottom by described operation insulator, the other end is fixedly connected with described link gear, described laser displacement sensor comprises transceiver and reverberator, described reverberator is fixed on described operation insulator, and described transceiver is corresponding with the position of described reverberator.
2. mechanical property on-line measuring device as claimed in claim 1, it is characterized in that, described link gear comprises three-phase linkage mechanism, leverage and driving mechanism, one end of described three-phase linkage mechanism is connected to described driving mechanism, the other end is connected to an end of described leverage, and the other end of described leverage is connected to described pressure transducer.
3. 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013103399076A CN103439094A (en) | 2013-08-06 | 2013-08-06 | Mechanical performance on-line detection device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2013103399076A CN103439094A (en) | 2013-08-06 | 2013-08-06 | Mechanical performance on-line detection device |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103915228A (en) * | 2014-03-25 | 2014-07-09 | 江苏南瓷绝缘子股份有限公司 | Intelligent insulator for electric rail traffic traction power supply system |
| 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 |
| CN104280680A (en) * | 2014-08-26 | 2015-01-14 | 温州大学 | Non-contact type device and method for measuring breaking characteristics of breaker |
| CN104806238A (en) * | 2015-04-29 | 2015-07-29 | 辽宁工程技术大学 | On-line testing system of mechanical properties of shearer pick |
| CN106783374A (en) * | 2017-02-15 | 2017-05-31 | 江苏森源电气股份有限公司 | A kind of breaker vacuum pipe contact life-span on-line measuring device |
| CN106783375A (en) * | 2017-02-15 | 2017-05-31 | 江苏森源电气股份有限公司 | A kind of breaker vacuum pipe contact head abrasive loss intelligent online detection means |
| US10147572B2 (en) | 2016-03-11 | 2018-12-04 | Abb Schweiz Ag | Embedded pole and method of assembling same |
| CN113848047A (en) * | 2021-09-28 | 2021-12-28 | 江苏大烨智能电气股份有限公司 | Structure and method for directly measuring opening distance and over travel of circuit breaker |
| US11908646B2 (en) | 2021-06-16 | 2024-02-20 | Schneider Electric Industries Sas | Breaking device for a medium voltage electrical circuit |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103915228A (en) * | 2014-03-25 | 2014-07-09 | 江苏南瓷绝缘子股份有限公司 | Intelligent insulator for electric rail traffic traction power supply system |
| CN103915228B (en) * | 2014-03-25 | 2016-05-11 | 江苏南瓷绝缘子股份有限公司 | Electrified track traffic tractive power supply system Intelligent insulating |
| 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 |
| CN103983448B (en) * | 2014-05-27 | 2017-10-31 | 江苏森源电气股份有限公司 | Mechanical property on-line measuring device |
| CN104280680A (en) * | 2014-08-26 | 2015-01-14 | 温州大学 | Non-contact type device and method for measuring breaking characteristics of breaker |
| CN104806238A (en) * | 2015-04-29 | 2015-07-29 | 辽宁工程技术大学 | On-line testing system of mechanical properties of shearer pick |
| US10147572B2 (en) | 2016-03-11 | 2018-12-04 | Abb Schweiz Ag | Embedded pole and method of assembling same |
| CN106783374A (en) * | 2017-02-15 | 2017-05-31 | 江苏森源电气股份有限公司 | A kind of breaker vacuum pipe contact life-span on-line measuring device |
| CN106783375A (en) * | 2017-02-15 | 2017-05-31 | 江苏森源电气股份有限公司 | A kind of breaker vacuum pipe contact head abrasive loss intelligent online detection means |
| US11908646B2 (en) | 2021-06-16 | 2024-02-20 | Schneider Electric Industries Sas | Breaking device for a medium voltage electrical circuit |
| CN113848047A (en) * | 2021-09-28 | 2021-12-28 | 江苏大烨智能电气股份有限公司 | Structure and method for directly measuring opening distance and over travel of circuit breaker |
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Application publication date: 20131211 |