CN203479502U - A mechanical characteristic online detecting apparatus - Google Patents
A mechanical characteristic online detecting apparatus Download PDFInfo
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- CN203479502U CN203479502U CN201320477090.4U CN201320477090U CN203479502U CN 203479502 U CN203479502 U CN 203479502U CN 201320477090 U CN201320477090 U CN 201320477090U CN 203479502 U CN203479502 U CN 203479502U
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- laser displacement
- displacement sensor
- mechanical characteristic
- detecting apparatus
- characteristic online
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Abstract
The utility model relates to a mechanical characteristic online detecting apparatus comprising an operating insulator, a pressure sensor, a linkage mechanism, and a laser displacement sensor. One end of the pressure sensor is fixedly connected with a movable conductive rod on the bottom of a vacuum arc extinguishing chamber through the operating insulator. The other end of the pressure sensor is fixedly connected with the linkage mechanism. The laser displacement sensor comprises a transceiver and a reflector. The reflector is fixed on the operating insulator. The position of the transceiver corresponds to the position of the reflector. Using force value change outputted by the pressure sensor, the mechanical characteristic online detecting apparatus obtains the just closed point and the just opened point of a movable contact and a static contact in the vacuum arc extinguishing chamber so as to grasp attrition degree of the movable contact and the static contact. In addition, using a voltage change curve outputted by the laser displacement sensor, the mechanical characteristic online detecting apparatus knows parameters of clearance, overtravel, and speed of the vacuum arc extinguishing chamber so as to complete the mechanical characteristic online detection of the vacuum arc extinguishing chamber. The laser displacement sensor is a non-contact type so as to prolong the service life of the mechanical characteristic online detecting apparatus.
Description
Technical field
The utility model relates to the online mechanical property on-line measuring device detecting of a kind of mechanical property for vacuum interrupter.
Background technology
Vacuum interrupter, has 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 suppresses electric current, avoids accident and unexpected generation.Before vacuum interrupter comes into operation, conventionally need to detect its mechanical property, at present, conventional detection mode 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, in testing process, have wearing and tearing to a certain degree, affect the serviceable life of pick-up unit; In addition, with upper type, cannot realize the online detection of mechanical property, for speed, open the parameters such as distance, the excess of stroke and cannot 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.
Utility model content
The utility model provides a kind of mechanical property on-line measuring device, to realize the detection of a plurality of mechanical properties of vacuum interrupter, and the serviceable life of while prolonged mechanical characteristic on-line detection device.
For solving the problems of the technologies described above, the utility model 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 one 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.
The mechanical property on-line measuring device that the utility model provides, 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 utility model 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, the change in voltage curve simultaneously exported by described laser displacement sensor is understood opening apart from parameters such as, the excess of stroke and speed of vacuum interrupter, 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 utility model.
Accompanying drawing explanation
Fig. 1 is the structural representation of the mechanical property on-line measuring device of the utility model one embodiment.
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 the more detailed above-mentioned utility model of statement, below list specific embodiment and carry out Proof Technology effect; It is emphasized that these embodiment are not limited to limit scope of the present utility model for the utility model is described.
The mechanical property on-line measuring device that the utility model provides, 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 drive described moving conductive rod 51 to move 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 force value and the comparison of normal pressure value at branch place, can obtain the degree of wear of the dynamic and static contact in described vacuum interrupter 50, when described operation insulator 10 moves up and down, also drive described reverberator 42 to move up and down simultaneously, thereby change the distance between described reverberator 42 and described transceiver 41, the output voltage of described laser displacement sensor 40 is changed, 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 recording 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 one 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, by fulcrum 33, this rotatablely moving is among a small circle converted into moving up and down of operation insulator 10 again.
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 in be flexible coupling and 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, the mechanical property on-line measuring device that the utility model provides, 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 utility model 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, by the change in voltage curve of described laser displacement sensor 40 outputs, understand opening apart from parameters such as, the excess of stroke and speed of vacuum interrupter 50 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 utility model.
Obviously, those skilled in the art can carry out various changes and modification and not depart from spirit and scope of the present utility model utility model.Like this, if within of the present utility model these are revised and modification belongs to the scope of the utility model claim and equivalent technologies thereof, the utility model is also 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 one 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 |
|---|---|---|---|
| CN201320477090.4U CN203479502U (en) | 2013-08-06 | 2013-08-06 | A mechanical characteristic online detecting apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320477090.4U CN203479502U (en) | 2013-08-06 | 2013-08-06 | A mechanical characteristic online detecting apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203479502U true CN203479502U (en) | 2014-03-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201320477090.4U Expired - Lifetime CN203479502U (en) | 2013-08-06 | 2013-08-06 | A mechanical characteristic online detecting apparatus |
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| Country | Link |
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| CN (1) | CN203479502U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN108646175A (en) * | 2018-04-17 | 2018-10-12 | 国网湖南省电力有限公司 | High Voltage Circuit Breaker Contacts overtravel dynamic on-line measuring device and its application process |
| US10147572B2 (en) | 2016-03-11 | 2018-12-04 | Abb Schweiz Ag | Embedded pole and method of assembling same |
| CN109799018A (en) * | 2018-12-20 | 2019-05-24 | 河南平高电气股份有限公司 | Arc-extinguishing chamber of circuit breaker friction measurement experimental rig |
-
2013
- 2013-08-06 CN CN201320477090.4U patent/CN203479502U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| US10147572B2 (en) | 2016-03-11 | 2018-12-04 | Abb Schweiz Ag | Embedded pole and method of assembling same |
| CN108646175A (en) * | 2018-04-17 | 2018-10-12 | 国网湖南省电力有限公司 | High Voltage Circuit Breaker Contacts overtravel dynamic on-line measuring device and its application process |
| CN109799018A (en) * | 2018-12-20 | 2019-05-24 | 河南平高电气股份有限公司 | Arc-extinguishing chamber of circuit breaker friction measurement experimental rig |
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Granted publication date: 20140312 |