CN107831436A - A kind of folding-jib disconnecting switch divide-shut brake monitoring device and method in place - Google Patents
A kind of folding-jib disconnecting switch divide-shut brake monitoring device and method in place Download PDFInfo
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- CN107831436A CN107831436A CN201711328424.0A CN201711328424A CN107831436A CN 107831436 A CN107831436 A CN 107831436A CN 201711328424 A CN201711328424 A CN 201711328424A CN 107831436 A CN107831436 A CN 107831436A
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- spring
- disconnecting switch
- fingertip
- place
- floodgate
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/327—Testing of circuit interrupters, switches or circuit-breakers
- G01R31/3271—Testing of circuit interrupters, switches or circuit-breakers of high voltage or medium voltage devices
- G01R31/3272—Apparatus, systems or circuits therefor
- G01R31/3274—Details related to measuring, e.g. sensing, displaying or computing; Measuring of variables related to the contact pieces, e.g. wear, position or resistance
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
Abstract
A kind of folding-jib disconnecting switch divide-shut brake monitoring device and method in place.Monitoring device includes close a floodgate detection pressure sensor and trip inspection pressure measurement force snesor, the detection pressure sensor that closes a floodgate is installed between fingertip spring and spring base, one end of fingertip spring is pressed on combined floodgate detection pressure sensor, spring bushing is provided with fingertip spring, the other end of fingertip spring is connected by spring bushing with the fingertip of disconnecting switch, and spring base is connected by connecting plate with the gear frame of disconnecting switch；Trip inspection pressure measurement force snesor is installed in support block, and support block is fixed on the lower contact tube of disconnecting switch, and one end of back-moving spring is pressed on trip inspection pressure measurement force snesor, and the other end of back-moving spring is connected with pressing plate.Present invention additionally comprises using folding-jib disconnecting switch divide-shut brake monitoring device monitoring in place disconnecting switch divide-shut brake whether method in place.Using the present invention, be advantageous to strengthen the accuracy that disconnecting switch divide-shut brake judges in place, disconnecting switch reliability of operation.
Description
Technical field
The present invention relates to electronic technology field, more particularly, to a kind of folding-jib disconnecting switch divide-shut brake monitoring device in place
And method.
Background technology
Country carry forward vigorously the background of Intelligent transformer station construction under, transformer station will be done step-by-step it is unattended, to each
The inspection of facility, by the real-time monitoring Predicated execution order of control system.However, high voltage isolator climate bar in operation
Part and the influence manufactured and designed cause machinery or the electrically failure of aspect.Especially when high voltage isolator movable contact spring and stationary contact bar
During loose contact, the defects of easily causing contact site to generate heat, if processing is not in time, power network will be made to produce large-area power-cuts,
Great economic loss is caused to country.If high voltage isolator separating brake is not in place, electric property failure may be caused, two
When end has high potential difference, because fracture distance is inadequate, easily puncture fracture, the life of substation operation personnel is caused safely
Infringement.Therefore accurately and reliably judge high voltage isolator divide-shut brake whether in place be solution disconnecting switch whether safe operation
Key issue, while be also that following national intelligent power network develops monitoring problem to be solved.
The content of the invention
The technical problem to be solved in the present invention is to provide a kind of folding-jib disconnecting switch divide-shut brake monitoring device and side in place
Method, for monitoring switch divide-shut brake location status, the detection difficulty of field personnel is reduced, operating efficiency is improved and judges accurate
True property.
The technical solution adopted for the present invention to solve the technical problems is：
A kind of folding-jib disconnecting switch divide-shut brake monitoring device, including close a floodgate detection pressure sensor and trip inspection measuring pressure in place
Sensor, the detection pressure sensor that closes a floodgate are installed between fingertip spring and spring base, and one end of fingertip spring is pressed on combined floodgate inspection
On pressure measurement force snesor, spring bushing is provided with fingertip spring, the external diameter of spring bushing is adapted with the internal diameter of fingertip spring, is touched
The other end of thrum spring is connected by spring bushing with the fingertip of disconnecting switch, the transmission that spring base passes through connecting plate and disconnecting switch
Frame is connected；Trip inspection pressure measurement force snesor is installed in support block, and support block is fixed on the lower contact tube of disconnecting switch, separating brake
Detection pressure sensor is provided with back-moving spring, and one end of back-moving spring is pressed on trip inspection pressure measurement force snesor, back-moving spring
The other end be connected with pressing plate, position of the pressing plate position higher than the cushion pad on lower contact tube.
Further, close a floodgate detection pressure sensor output end and trip inspection pressure measurement force snesor output end with wirelessly
The input of transmitter is connected, and the output end of wireless launcher is connected with the input of wireless receiver, wireless receiver it is defeated
Go out end with the input of signal processor to be connected, the output end of signal processor is connected by convergence control cabinet with monitoring display device.
Further, the pressing plate both sides are provided with cover plate, for limiting the free degree of pressing plate all directions so that during pressing plate stress
It can only move up and down；Cover plate is arranged in support block by guide cover.
Further, positioning hole is provided with the fingertip of the disconnecting switch, the end of spring bushing is loaded in positioning hole.
Further, the bottom of combined floodgate detection pressure sensor is provided with positive stop lug boss, is provided with spring base and is pressed with detection of closing a floodgate
The shrinkage pool that the positive stop lug boss of force snesor bottom is adapted, the detection pressure sensor that closes a floodgate is by being placed in the shrinkage pool of spring base
Boss is realized spacing.
Further, the bottom of trip inspection pressure measurement force snesor is also provided with positive stop lug boss, is provided with support block and is detected with separating brake
The shrinkage pool that the positive stop lug boss of pressure sensor bottom is adapted, trip inspection pressure measurement force snesor is by being placed in the shrinkage pool of support block
Positive stop lug boss realize it is spacing.
Further, the outer surface of combined floodgate detection pressure sensor and trip inspection pressure measurement force snesor is coated with metallic film
Layer, in favor of eliminating the electromagnetic interference on periphery.
Further, the detection pressure sensor that closes a floodgate is resistance strain plate sensor, and one end of fingertip spring is pressed on
On the elastic sensing element of resistance strain plate sensor as the detection pressure sensor that closes a floodgate.The trip inspection measuring pressure passes
Sensor is also resistance strain plate sensor, and one end of back-moving spring is pressed on the resistance-type as trip inspection pressure measurement force snesor should
Become on the elastic sensing element of piece sensor.
Further, combined floodgate detection pressure sensor and trip inspection pressure measurement force snesor are L-shaped, provided with flat end and protrusion
End, elastic sensing element are located at flat end.Wireless launcher can be located in jag.Screw can be also provided with jag, is used for
Realize being connected for close a floodgate detection pressure sensor and spring base, and trip inspection pressure measurement force snesor and support block are connected.
Further, the signal processor can be positioned in mechanism case, and wireless receiver may be disposed at the low-pressure end of mechanism case.
In the presence of spring bushing, guide effect can be played to fingertip spring.Under original state, that is, before closing a floodgate, fingertip
Spring is in confined state, in favor of preventing bushing from coming off.
Signal processor is powered by external voltage AC220V power supplys, can be by detection pressure sensor and the trip inspection pressure measurement of closing a floodgate
The electric signal that force snesor measures is amplified with after AD conversion, is sent into monitoring display device by convergence control cabinet, convergence control cabinet can also be same
When control three-phase ganged signal and operation power.The pressure value sent by the detection pressure sensor that closes a floodgate and monitoring display
The closing pressure value to be prestored in device is compared, if the pressure value that detection pressure sensor is sent of closing a floodgate is more than or equal to prison
The closing pressure value to be prestored in control display, then it represents that in-place closing；If close a floodgate the pressure that detection pressure sensor is sent
Value is less than the closing pressure value to be prestored in monitoring display device, then it represents that closes a floodgate not in place.Passed by trip inspection pressure measurement force snesor
The pressure value brought is compared with the separating brake pressure value to be prestored in monitoring display device, if trip inspection pressure measurement force snesor transmits
The pressure value to come over is more than or equal in monitoring display device the separating brake pressure value to prestore, then it represents that separating brake is in place；If separating brake detects
The pressure value that pressure sensor is sent is less than the separating brake pressure value to be prestored in monitoring display device, then it represents that separating brake is not in place.
Signal processor memory capacity is big, can by the pressure value of measured point, temporally, measured point position preserve data.Signal processor,
Wireless launcher, wireless receiver, convergence control cabinet and monitoring display device are existing mature equipment.Not isopen in high-tension line
Divide-shut brake on-Line Monitor Device in place can be housed in disconnecting switch.It is that host computer can show and look into by monitoring display device
See the numerical value of pressure sensor in different phases.
Whether arrived using the disconnecting switch divide-shut brake of monitoring device monitoring in place of folding-jib disconnecting switch divide-shut brake as previously described
Position method be：
Disconnecting switch close a floodgate when, gear frame moves upwards along fingertip, gear frame move up by band of links flexible spring seat perpendicular to
Fingertip moves, and both sides fingertip is clamped stationary contact bar toward direction is closed, and monolithic fingertip gives stationary contact rod pressure, due to power be it is mutual,
Stationary contact bar also gives the effect of monolithic fingertip power, and monolithic fingertip acts power, fingertip bullet to fingertip spring close to one end of fingertip
The spring other end produces restoring force and acted on combined floodgate detection pressure sensor, and the detection pressure sensor that closes a floodgate measures single during combined floodgate
The pressure of fingertip, monitoring display device is sent into by signal processor, convergence control cabinet, will be pre- in the pressure value measured and monitoring display device
The contrast of closing pressure value is deposited, judges whether in-place closing.
During disconnecting switch separating brake, upper contact tube is vertical to be folded towards lower contact tube and draws close, close to separating brake in place when, upper contact tube
Acted on prior to cushion pad on pressing plate, after pressing plate stress, pressing plate moves compression reseting spring straight down, until press plate position
Less than buffering pad position, now, in place, back-moving spring decrement reaches maximum to disconnecting switch separating brake；Point of back-moving spring end
Lock detects pressure sensor stress, restoring force caused by the compression of trip inspection pressure measurement force snesor collection back-moving spring；Point
The pressure value that lock detection pressure sensor measures, monitoring display device, and and monitoring display are sent into by signal processor, convergence control cabinet
The separating brake pressure value that prestored in device contrasts, and judges whether separating brake in place.
After the sampled signal measured is converted to electric signal by combined floodgate detection pressure sensor and trip inspection pressure measurement force snesor,
Again by 433MHz wireless telecommunications, high frequency overcomes the periphery interference of electromagnetic field, transmits a signal to signal processor.At signal
Reason device can set the pressure data read access time that detection pressure sensor and trip inspection pressure measurement force snesor measure of closing a floodgate（Such as signal
Processor can read the number pressure that detection pressure sensor and trip inspection pressure measurement force snesor measure that once closes a floodgate every 30min
According to）.Signal processor is existing mature equipment.
Using the present invention, be advantageous to strengthen the accuracy that disconnecting switch divide-shut brake judges in place, prevent the mould of artificial subjectivity
Paste and judge, ensure the security of field personnel's work, disconnecting switch reliability of operation, beneficial to discovery disconnecting switch ahead of time
Operating failure, solve in time, prevent the accident problem in operation of power networks.
Brief description of the drawings
Fig. 1 is disconnecting switch divide-shut brake on-Line Monitor Device schematic diagram in place；
Fig. 2 is the structural representation for closing a floodgate and detecting pressure sensor；
Fig. 3 is to close a floodgate to detect amplification assumption diagram at pressure sensor when disconnecting switch is closed a floodgate；
Amplification assumption diagram at separating brake detection pressure sensor when Fig. 4 is disconnecting switch separating brake；
Fig. 5 is mounting structure schematic diagram of the trip inspection pressure measurement force snesor in support block.
Embodiment
Below in conjunction with drawings and examples, the invention will be further described.
Reference picture 2, Fig. 3, Fig. 4 and Fig. 5, a kind of folding-jib disconnecting switch divide-shut brake monitoring device, including inspection of closing a floodgate in place
Pressure measurement force snesor 1-1 and trip inspection pressure measurement force snesor 1-2, the detection pressure sensor 1-1 that closes a floodgate are installed on the He of fingertip spring 7
Between spring base 13, one end of fingertip spring 7 is pressed on combined floodgate detection pressure sensor 1-1, and Spring liner is provided with fingertip spring 7
Set 19, the external diameter of spring bushing 19 is adapted with the internal diameter of fingertip spring 7, and the other end of fingertip spring 7 passes through spring bushing 19
It is connected with the fingertip 5 of disconnecting switch, spring base 13 is connected by connecting plate 21 with the gear frame 20 of disconnecting switch.Trip inspection measuring pressure
Sensor 1-2 is installed in support block 15, and support block 15 is fixed on the lower contact tube 9 of disconnecting switch, and trip inspection measuring pressure passes
Sensor 1-2 is provided with back-moving spring 17, and one end of back-moving spring 17 is pressed on trip inspection pressure measurement force snesor 1-2, back-moving spring
17 other end is connected with pressing plate 12, position of the position of pressing plate 12 higher than the cushion pad 11 on lower contact tube 9.
Reference picture 1, detection pressure sensor 1-1 output end of closing a floodgate and trip inspection pressure measurement force snesor 1-2 output end
And wireless launcher（Not shown in figure）Input be connected, the output end and wireless receiver of wireless launcher（In figure not
Show）Input be connected, the output end of wireless receiver is connected with the input of signal processor 2, signal processor 2 it is defeated
Go out end by convergence control cabinet 4 with monitoring display device 3 to be connected.
Reference picture 5, the both sides of pressing plate 12 are provided with cover plate 16, for limiting the free degree of all directions of pressing plate 12 so that pressure
It can only be moved up and down during 12 stress of plate；Cover plate 16 is arranged in support block 15 by guide cover 14.
Positioning hole is provided with the fingertip 5 of the disconnecting switch（Not shown in figure）, the end of spring bushing 19 is loaded on fingertip 5
Positioning hole in.
Reference picture 2, the bottom for the detection pressure sensor 1-1 that closes a floodgate are provided with positive stop lug boss 6, are provided with and close a floodgate on spring base 13
The shrinkage pool that the positive stop lug boss 6 of detection pressure sensor 1-1 bottoms is adapted（Not shown in figure）, close a floodgate detection pressure sensor 1-
1 realized by the boss 6 being placed in the shrinkage pool of spring base 13 it is spacing.Trip inspection pressure measurement force snesor 1-2 bottom is also provided with limit
Position boss（Not shown in figure）, it is provided with support block 15 and is adapted with the positive stop lug boss of trip inspection pressure measurement force snesor 1-2 bottoms
Shrinkage pool（Not shown in figure）, trip inspection pressure measurement force snesor 1-2 is real by the positive stop lug boss that is placed in the shrinkage pool of support block 15
It is existing spacing.
Combined floodgate detection pressure sensor 1-1 and trip inspection pressure measurement force snesor 1-2 outer surface is coated with metal film layer,
In favor of eliminating the electromagnetic interference on periphery.
The detection pressure sensor 1-1 that closes a floodgate is resistance strain plate sensor, and one end of fingertip spring 7, which is pressed on, to be used as
Close a floodgate on the elastic sensing element for the resistance strain plate sensor for detecting pressure sensor 1-1.The trip inspection measuring pressure passes
Sensor 1-2 is also resistance strain plate sensor, and one end of back-moving spring 17 is pressed on as trip inspection pressure measurement force snesor 1-2's
On the elastic sensing element of resistance strain plate sensor.
The detection pressure sensor 1-1 and trip inspection pressure measurement force snesor 1-2 that closes a floodgate is L-shaped, provided with flat end and protrusion
End, elastic sensing element are located at flat end.Wireless launcher can be located in jag.Screw can be also provided with jag, is used for
Realization combined floodgate detection pressure sensor 1-1 is connected with spring base 13, and trip inspection pressure measurement force snesor 1-2 and support block 15
Be connected.
The signal processor 2 can be positioned in mechanism case, and wireless receiver may be disposed at the low-pressure end of mechanism case.
In the presence of spring bushing 19, guide effect can be played to fingertip spring 7.Under original state, that is, before closing a floodgate, touch
Thrum spring 7 is in confined state, in favor of preventing bushing 19 from coming off.
Monitoring display device 3 can also be with warning device（Such as buzzer）It is connected.
Signal processor 2 is powered by external voltage AC220V power supplys, can be by detection pressure sensor 1-1 and the trip inspection of closing a floodgate
The electric signal that pressure measurement force snesor 1-2 is measured is amplified with after AD conversion, is sent into monitoring display device 3 by convergence control cabinet 4, is converged and control
Cabinet 4 can also control three-phase ganged signal and operation power simultaneously.The pressure sent by the detection pressure sensor 1-1 that closes a floodgate
Value is compared with the closing pressure value to be prestored in monitoring display device 3, if closing a floodgate the pressure that detection pressure sensor 1-1 is sent
Force value is more than or equal in monitoring display device 3 the closing pressure value to prestore, then it represents that in-place closing；If close a floodgate detection pressure sensing
The pressure value that device 1-1 is sent is less than the closing pressure value to be prestored in monitoring display device 3, then it represents that closes a floodgate not in place.Pass through
The pressure value that trip inspection pressure measurement force snesor 1-2 is sent compared with the separating brake pressure value to be prestored in monitoring display device 3,
If the pressure value that trip inspection pressure measurement force snesor 1-2 is sent is more than or equal in monitoring display device 3 the separating brake pressure to prestore
Value, then it represents that separating brake is in place；If the pressure value that trip inspection pressure measurement force snesor 1-2 is sent is less than pre- in monitoring display device 3
The separating brake pressure value deposited, then it represents that separating brake is not in place.The memory capacity of signal processor 2 is big, can be by the pressure value of measured point, on time
Between, measured point position preserve data.Signal processor 2, wireless launcher, wireless receiver, convergence control cabinet 4 and monitoring display device 3
It is existing mature equipment.It can not be equipped with the disconnecting switch of isopen in high-tension line and be monitored on-line in place equipped with divide-shut brake
Device.It is the numerical value that host computer can show and check pressure sensor in different phases by monitoring display device 3.
Whether arrived using the disconnecting switch divide-shut brake of monitoring device monitoring in place of folding-jib disconnecting switch divide-shut brake as previously described
Position method be：
When disconnecting switch is closed a floodgate, gear frame 20 is moved upwards along fingertip 5, and gear frame 20 is moved up by connecting plate 21 with flexible spring seat
13 move perpendicular to fingertip 5, both sides fingertip is clamped stationary contact bar toward direction is closed（Not shown in figure）, monolithic fingertip 5 gives stationary contact
Rod pressure, because power is mutual, stationary contact bar also gives the effect of the power of monolithic fingertip 5, and monolithic fingertip 5 is to fingertip spring 7 close to tactile
The one end for referring to 5 acts power, and the other end of fingertip spring 7 produces restoring force and acted on combined floodgate detection pressure sensor 1-1, closes
Lock detection pressure sensor 1-1 measures the pressure of single fingertip 5 during combined floodgate, and monitoring is sent into by signal processor 2, convergence control cabinet 4
Display 3, by the closing pressure value contrast that prestored in the pressure value measured and monitoring display device 3, judge whether in-place closing.
During disconnecting switch separating brake, upper contact tube 10 is vertical to be folded towards lower contact tube 9 and draws close, close to separating brake in place when, above lead
Fulgurite 10 is acted on pressing plate 12 prior to cushion pad 11, and after 12 stress of pressing plate, mobile compression resets bullet to pressing plate 12 straight down
Spring 17, until the position of pressing plate 12 is less than the position of cushion pad 11, now, in place, the decrement of back-moving spring 17 reaches disconnecting switch separating brake
To maximum；The trip inspection pressure measurement force snesor 1-2 stress of the end of back-moving spring 17, trip inspection pressure measurement force snesor 1-2 collections are multiple
Restoring force caused by the compression of position spring 17；The pressure value that trip inspection pressure measurement force snesor 1-2 is measured, passes through signal transacting
Device 2, convergence control cabinet 4 are sent into monitoring display device 3, and are contrasted with the separating brake pressure value that prestored in monitoring display device 3, judge whether that separating brake arrives
Position.
The sampled signal measured is converted to electricity by the detection pressure sensor 1-1 and trip inspection pressure measurement force snesor 1-2 that closes a floodgate
After signal, then by 433MHz wireless telecommunications, high frequency overcomes the periphery interference of electromagnetic field, transmits a signal to signal processor 2.It is logical
The pressure data that detection pressure sensor 1-1 and trip inspection pressure measurement force snesor 1-2 is measured that closes a floodgate can be set by crossing signal processor 2
Read access time（As signal processor can read once close a floodgate detection pressure sensor 1-1 and trip inspection measuring pressure every 30min
The pressure data that sensor 1-2 is measured）.Signal processor 2 is existing mature equipment.If the pressure value that monitoring display device receives is dashed forward
So change, which exceedes, prestores the 15% of pressure value, then corresponding pressure sensor continuously transmits 5 data, hereafter corresponding pressure sensor
A data can be sent every 3min.
Claims (8)
1. a kind of folding-jib disconnecting switch divide-shut brake monitoring device in place, it is characterised in that detect pressure sensor including closing a floodgate
With trip inspection pressure measurement force snesor, the detection pressure sensor that closes a floodgate is installed between fingertip spring and spring base, fingertip spring
One end is pressed on combined floodgate detection pressure sensor, and spring bushing, external diameter and the fingertip spring of spring bushing are provided with fingertip spring
Internal diameter be adapted, the other end of fingertip spring is connected by spring bushing with the fingertip of disconnecting switch, and spring base passes through connecting plate
It is connected with the gear frame of disconnecting switch；Trip inspection pressure measurement force snesor is installed in support block, and support block is fixed on disconnecting switch
Lower contact tube on, trip inspection measuring pressure covers disposed on sensor has back-moving spring, and one end of back-moving spring is pressed on trip inspection measuring pressure
On sensor, the other end of back-moving spring is connected with pressing plate, position of the pressing plate position higher than the cushion pad on lower contact tube.
2. folding-jib disconnecting switch divide-shut brake according to claim 1 monitoring device in place, it is characterised in that detection of closing a floodgate
The output end of pressure sensor and the output end of trip inspection pressure measurement force snesor are connected with the input of wireless launcher, wirelessly
The output end of transmitter is connected with the input of wireless receiver, the output end of wireless receiver and the input of signal processor
It is connected, the output end of signal processor is connected by convergence control cabinet with monitoring display device.
3. folding-jib disconnecting switch divide-shut brake according to claim 1 or 2 monitoring device in place, it is characterised in that described
Pressing plate both sides are provided with cover plate, for limiting the free degree of pressing plate all directions；Cover plate is arranged in support block by guide cover.
4. folding-jib disconnecting switch divide-shut brake according to claim 1 or 2 monitoring device in place, it is characterised in that described
Positioning hole is provided with the fingertip of disconnecting switch, the end of spring bushing is loaded in positioning hole.
5. folding-jib disconnecting switch divide-shut brake according to claim 1 or 2 monitoring device in place, it is characterised in that close a floodgate
The bottom of detection pressure sensor is provided with positive stop lug boss, and the limit convex with detection pressure sensor bottom of closing a floodgate is provided with spring base
The shrinkage pool that platform is adapted；The bottom of trip inspection pressure measurement force snesor is also provided with positive stop lug boss, is provided with support block and is detected with separating brake
The shrinkage pool that the positive stop lug boss of pressure sensor bottom is adapted.
6. folding-jib disconnecting switch divide-shut brake according to claim 1 or 2 monitoring device in place, it is characterised in that close a floodgate
The outer surface of detection pressure sensor and trip inspection pressure measurement force snesor is coated with metal film layer.
7. folding-jib disconnecting switch divide-shut brake according to claim 1 or 2 monitoring device in place, it is characterised in that described
The detection pressure sensor that closes a floodgate is resistance strain plate sensor, and one end of fingertip spring is pressed on as the detection pressure sensing that closes a floodgate
On the elastic sensing element of the resistance strain plate sensor of device；The trip inspection pressure measurement force snesor is also resistance strain plate
Sensor, one end of back-moving spring are pressed on the elasticity sensitivity of the resistance strain plate sensor as trip inspection pressure measurement force snesor
On element.
8. use the folding-jib disconnecting switch divide-shut brake monitoring device monitoring in place disconnecting switch divide-shut brake as described in claim 1-7
Whether method in place, it is characterised in that comprise the following steps：
Disconnecting switch close a floodgate when, gear frame moves upwards along fingertip, gear frame move up by band of links flexible spring seat perpendicular to
Fingertip moves, and both sides fingertip is clamped stationary contact bar toward direction is closed, and monolithic fingertip gives stationary contact rod pressure, due to power be it is mutual,
Stationary contact bar also gives the effect of monolithic fingertip power, and monolithic fingertip acts power, fingertip bullet to fingertip spring close to one end of fingertip
The spring other end produces restoring force and acted on combined floodgate detection pressure sensor, and the detection pressure sensor that closes a floodgate measures single during combined floodgate
The pressure of fingertip, monitoring display device is sent into by signal processor, convergence control cabinet, will be pre- in the pressure value measured and monitoring display device
The contrast of closing pressure value is deposited, judges whether in-place closing；
During disconnecting switch separating brake, upper contact tube is vertical to be folded towards lower contact tube and draws close, close to separating brake in place when, upper contact tube prior to
Cushion pad is acted on pressing plate, and after pressing plate stress, pressing plate moves compression reseting spring straight down, until press plate position is less than
Pad position is buffered, now, in place, back-moving spring decrement reaches maximum to disconnecting switch separating brake；The trip inspection of back-moving spring end
Measuring pressure force acting on transducer, restoring force caused by the compression of trip inspection pressure measurement force snesor collection back-moving spring；Trip inspection
The pressure value that pressure measurement force snesor measures, by signal processor, convergence control cabinet be sent into monitoring display device, and with monitoring display device
The separating brake pressure value that prestores contrasts, and judges whether separating brake in place.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711328424.0A CN107831436B (en) | 2017-12-13 | 2017-12-13 | Folding arm type disconnecting switch opening and closing in-place monitoring device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711328424.0A CN107831436B (en) | 2017-12-13 | 2017-12-13 | Folding arm type disconnecting switch opening and closing in-place monitoring device and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107831436A true CN107831436A (en) | 2018-03-23 |
| CN107831436B CN107831436B (en) | 2023-05-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711328424.0A Active CN107831436B (en) | 2017-12-13 | 2017-12-13 | Folding arm type disconnecting switch opening and closing in-place monitoring device and method |
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| CN112038135A (en) * | 2020-07-16 | 2020-12-04 | 湖南长高高压开关集团股份公司 | Method and device for detecting opening and closing of single-column double-arm vertical telescopic isolating switch |
| CN112038134A (en) * | 2020-07-16 | 2020-12-04 | 湖南长高高压开关集团股份公司 | Method and device for detecting switching-on and switching-off in place of single-column double-arm vertical telescopic isolating switch |
| CN112038133A (en) * | 2020-07-16 | 2020-12-04 | 湖南长高高压开关集团股份公司 | Method and device for detecting switching-on and switching-off in place of double-column horizontal rotary isolating switch |
| CN112087059A (en) * | 2020-09-29 | 2020-12-15 | 中国南方电网有限责任公司超高压输电公司贵阳局 | Online detection device and detection method for closing state of automatic ground wire ice melting wiring device |
| CN113049951A (en) * | 2021-05-19 | 2021-06-29 | 广东电网有限责任公司 | Breaker mechanism state analysis device and method |
| CN114295972A (en) * | 2021-12-29 | 2022-04-08 | 上海创功通讯技术有限公司 | Key stroke detection device |
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| CN112038135B (en) * | 2020-07-16 | 2023-04-28 | 长高电新科技股份公司 | Method and device for detecting opening and closing of single-column double-arm vertical telescopic isolating switch |
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| CN112087059B (en) * | 2020-09-29 | 2021-06-15 | 中国南方电网有限责任公司超高压输电公司贵阳局 | Online detection device and detection method for closing state of automatic ground wire ice melting wiring device |
| CN113049951A (en) * | 2021-05-19 | 2021-06-29 | 广东电网有限责任公司 | Breaker mechanism state analysis device and method |
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