CN207601262U - A kind of folding-jib disconnecting switch divide-shut brake monitoring device in place - Google Patents
A kind of folding-jib disconnecting switch divide-shut brake monitoring device in place Download PDFInfo
- Publication number
- CN207601262U CN207601262U CN201721732877.5U CN201721732877U CN207601262U CN 207601262 U CN207601262 U CN 207601262U CN 201721732877 U CN201721732877 U CN 201721732877U CN 207601262 U CN207601262 U CN 207601262U
- Authority
- CN
- China
- Prior art keywords
- spring
- disconnecting switch
- floodgate
- fingertip
- pressure sensor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
Links
Landscapes
- Push-Button Switches (AREA)
Abstract
A kind of folding-jib disconnecting switch divide-shut brake monitoring device in place, including detection pressure sensor and the trip inspection pressure measurement force snesor of closing a floodgate, 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 equipped in 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 supporting block, and supporting block is fixed on the lower contact tube of disconnecting switch, and one end of resetting spring is pressed on trip inspection pressure measurement force snesor, and the other end of resetting spring is connected with pressing plate.Using the utility model, be conducive to enhance the accuracy that disconnecting switch divide-shut brake judges in place, disconnecting switch reliability of operation.
Description
Technical field
The utility model is related to electronic technology fields, are monitored in place more particularly, to a kind of folding-jib disconnecting switch divide-shut brake
Device.
Background technology
Country carry forward vigorously the background of Intelligent transformer station construction under, substation will be done step-by-step it is unattended, to each
The inspection of facility, by the real-time monitoring Predicated execution sequence of control system.However, high voltage isolator climate item in operation
Part and the influence manufactured and designed cause the failure of machinery or electrical aspect.Especially when high voltage isolator movable contact spring and stationary contact bar
During loose contact, the defects of contact site generates heat is easy to cause, if processing is not in time, power grid will be made to generate 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 led to, two
End since fracture distance is inadequate, easily punctures fracture, the life of substation operation personnel is caused safely there are during high potential difference
Damage.Therefore accurately and reliably judge high voltage isolator divide-shut brake whether in place be solution disconnecting switch whether safe operation
Critical issue, while be also that following national intelligent power network develops monitoring problem to be solved.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of simple in structure, can be used to monitoring switch divide-shut brake position
Put the folding-jib disconnecting switch divide-shut brake of state monitoring device in place.
Technical solution is used by the utility model solves its technical problem：
A kind of folding-jib disconnecting switch divide-shut brake monitoring device in place, including detection pressure sensor and the separating brake detection of closing a floodgate
Pressure 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 conjunction
On lock detection pressure sensor, spring bushing is equipped in fingertip spring, the outer diameter of spring bushing is mutually fitted with the internal diameter of fingertip spring
Match, the other end of fingertip spring is connected by spring bushing with the fingertip of disconnecting switch, and spring base passes through connecting plate and disconnecting switch
Gear frame be connected；Trip inspection pressure measurement force snesor is installed in supporting block, and supporting block is fixed on the lower contact tube of disconnecting switch
On, trip inspection measuring pressure covers disposed on sensor has resetting spring, and one end of resetting spring is pressed on trip inspection pressure measurement force snesor, multiple
The other end of position spring is connected with pressing plate, and pressing plate position is higher than the position of the cushion pad on lower contact tube.
Further, close a floodgate detection pressure sensor output terminal and trip inspection pressure measurement force snesor output terminal with wirelessly
The input terminal of transmitter is connected, and the output terminal of wireless transmitter is connected with the input terminal of wireless receiver, wireless receiver it is defeated
Outlet is connected with the input terminal of signal processor, and the output terminal of signal processor is connected by convergence control cabinet with monitoring display.
Further, the pressing plate both sides are equipped with cover board, for limiting the degree of freedom of pressing plate all directions so that during pressing plate stress
It can only move up and down；Cover board is mounted on by guide cover in supporting block.
Further, location hole is provided on the fingertip of the disconnecting switch, the end of spring bushing is loaded in location hole.
Further, the bottom of combined floodgate detection pressure sensor is equipped with positive stop lug boss, is provided on spring base and detects pressure with 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 realizes limiting.
Further, the bottom of trip inspection pressure measurement force snesor is also equipped with positive stop lug boss, is provided in supporting 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 supporting block
Positive stop lug boss realize limiting.
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 resetting 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, equipped with flat end and protrusion
End, elastic sensing element are set on flat end.Wireless transmitter can be set in jag.Screw can be also equipped in jag, is used for
Realize the close a floodgate connected and trip inspection pressure measurement force snesor of detection pressure sensor and spring base and being connected for supporting block.
Further, the signal processor can be positioned in mechanism case, and wireless receiver may be disposed at the low pressure of mechanism case
End.
Under the action of spring bushing, guiding role 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 by convergence control cabinet, convergence control cabinet can also be same
When control three-phase ganged signal and operation power.Pressure value and the monitoring display that pressure sensor is sent are detected by combined floodgate
The closing pressure value to prestore in device is compared, if the pressure value that detection pressure sensor is sent of closing a floodgate is greater than or equal to prison
The closing pressure value to prestore 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 prestore in monitoring display, then it represents that closes a floodgate not in place.It is passed by trip inspection pressure measurement force snesor
The pressure value brought and the separating brake pressure value to prestore in monitoring display are compared, if trip inspection pressure measurement force snesor transmits
The pressure value to come over is greater than or equal to the separating brake pressure value to prestore in monitoring display, 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 prestore in monitoring display, 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 transmitter, wireless receiver, convergence control cabinet and monitoring display 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 can show and look by monitoring display i.e. host computer
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：
When disconnecting switch is closed a floodgate, gear frame is moved upwards along fingertip, and gear frame is moved up to be hung down by band of links flexible spring seat
It is directly moved in fingertip, both sides fingertip is made to clamp stationary contact bar toward direction is closed, monolithic fingertip gives stationary contact rod pressure, since power is mutual
, stationary contact bar also gives the effect of monolithic fingertip power, and monolithic fingertip acts power, fingertip to fingertip spring close to one end of fingertip
The spring other end generates restoring force and acts on combined floodgate detection pressure sensor, and the detection pressure sensor that closes a floodgate measures single during combined floodgate
The pressure of a fingertip is sent into monitoring display, by the pressure value measured with monitoring in display by signal processor, convergence control cabinet
The closing pressure value that prestores compares, and 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
It is acted on pressing plate prior to cushion pad, after pressing plate stress, pressing plate moves compression reseting spring straight down, until press plate position
Less than buffering pad position, at this point, disconnecting switch separating brake is in place, resetting spring decrement reaches maximum；Point of resetting spring end
Lock detects pressure sensor stress, the restoring force of the compressive deformation generation of trip inspection pressure measurement force snesor acquisition resetting spring；Point
The pressure value that lock detection pressure sensor measures is sent into monitoring display, and show with monitoring by signal processor, convergence control cabinet
The separating brake pressure value that prestores in device compares, 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 primary number pressure that detection pressure sensor and trip inspection pressure measurement force snesor measure that closes a floodgate every 30min
According to）.Signal processor is existing mature equipment.
Using the utility model, be conducive to enhance the accuracy that disconnecting switch divide-shut brake judges in place, prevent artificial subjectivity
Fuzzy Judgment, ensure field personnel work safety, disconnecting switch reliability of operation, conducive to ahead of time find isolation
Running failure is switched, solves in time, prevents the accident problem in operation of power networks.
Description of the drawings
Fig. 1 is disconnecting switch divide-shut brake on-Line Monitor Device schematic diagram in place；
Fig. 2 is the structure diagram for closing a floodgate and detecting pressure sensor；
It closes a floodgate when Fig. 3 closes a floodgate for disconnecting switch and detects amplification assumption diagram at pressure sensor；
Separating brake detects amplification assumption diagram at 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 supporting block.
Specific embodiment
Below in conjunction with drawings and examples, the utility model is described in further detail.
With reference to Fig. 2, Fig. 3, Fig. 4 and Fig. 5, a kind of folding-jib disconnecting switch divide-shut brake monitoring device in place is examined including closing a floodgate
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 7 He of fingertip spring
Between spring base 13, one end of fingertip spring 7 is pressed on combined floodgate detection pressure sensor 1-1, and Spring liner is equipped in fingertip spring 7
Set 19, the outer 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 supporting block 15, and supporting block 15 is fixed on the lower contact tube 9 of disconnecting switch, and trip inspection measuring pressure passes
Sensor 1-2 is equipped with resetting spring 17, and one end of resetting spring 17 is pressed on trip inspection pressure measurement force snesor 1-2, resetting spring
17 other end is connected with pressing plate 12, and 12 position of pressing plate is higher than the position of the cushion pad 11 on lower contact tube 9.
With reference to Fig. 1, close a floodgate the output terminal of detection pressure sensor 1-1 and the output terminal of trip inspection pressure measurement force snesor 1-2
And wireless transmitter（It is not shown in figure）Input terminal be connected, the output terminal and wireless receiver of wireless transmitter（In figure not
It shows）Input terminal be connected, the output terminal of wireless receiver is connected with the input terminal of signal processor 2, signal processor 2 it is defeated
Outlet is connected by convergence control cabinet 4 with monitoring display 3.
With reference to Fig. 5,12 both sides of pressing plate are equipped with cover board 16, for limiting the degree of freedom of 12 all directions of pressing plate so that pressure
It can only be moved up and down during 12 stress of plate；Cover board 16 is mounted on by guide cover 14 in supporting block 15.
Location hole is provided on the fingertip 5 of the disconnecting switch（It is not shown in figure）, the end of spring bushing 19 is loaded on fingertip 5
Location hole in.
With reference to Fig. 2, the bottom for the detection pressure sensor 1-1 that closes a floodgate is equipped with positive stop lug boss 6, is provided with and closes 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（It is not shown in figure）, close a floodgate detection pressure sensor 1-
1 boss 6 by being placed in the shrinkage pool of spring base 13 realizes limiting.The bottom of trip inspection pressure measurement force snesor 1-2 is also equipped with limit
Position boss（It is not shown in figure）, it is provided in supporting block 15 and is adapted with the positive stop lug boss of trip inspection pressure measurement force snesor 1-2 bottoms
Shrinkage pool（It is 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 supporting block 15
Now limit.
The outer surface of combined floodgate detection pressure sensor 1-1 and trip inspection pressure measurement force snesor 1-2 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
It closes 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 resetting 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, equipped with flat end and protrusion
End, elastic sensing element are set on flat end.Wireless transmitter can be set in jag.Screw can be also equipped in jag, is used for
Realize close a floodgate detection pressure sensor 1-1 and the connected and trip inspection pressure measurement force snesor 1-2 of spring base 13 and supporting 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.
Under the action of spring bushing 19, guiding role 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 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 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 combined floodgate detection pressure sensor 1-1
The closing pressure value to prestore in value and monitoring display 3 is compared, if closing a floodgate the pressure that detection pressure sensor 1-1 is sent
Force value is greater than or equal to the closing pressure value to prestore in monitoring display 3, 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 prestore in monitoring display 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 and the separating brake pressure value to prestore in monitoring display 3 are compared,
If the pressure value that trip inspection pressure measurement force snesor 1-2 is sent is greater than or equal to the separating brake pressure to prestore in monitoring display 3
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 3
The separating brake pressure value deposited, then it represents that separating brake is not in place.2 memory capacity of signal processor is big, can be by the pressure value of measured point, on time
Between, measured point position preserve data.Signal processor 2, wireless transmitter, wireless receiver, convergence control cabinet 4 and monitoring display 3
It is existing mature equipment.It can not be equipped in the disconnecting switch of isopen in high-tension line and be monitored on-line in place equipped with divide-shut brake
Device.The numerical value of pressure sensor in different phases can be shown and check by monitoring display 3 i.e. host computer.
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 is moved by 21 band of connecting plate
Spring abutment 13 is moved perpendicular to fingertip 5, and both sides fingertip is made to clamp stationary contact bar toward direction is closed（It is not shown in figure）, monolithic fingertip 5 gives
Stationary contact rod pressure, since power is mutual, stationary contact bar also gives the effect of 5 power of monolithic fingertip, and monolithic fingertip 5 is leaned on to fingertip spring 7
One end of nearly fingertip 5 acts power, and 7 other end of fingertip spring generates restoring force and acts on combined floodgate detection pressure sensor 1-1
On, the detection pressure sensor 1-1 that closes a floodgate measures the pressure of single fingertip 5 during combined floodgate, is sent by signal processor 2, convergence control cabinet 4
Display 3 is monitored, by the closing pressure value comparison that prestores in the pressure value measured and monitoring display 3, judges 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 prior to cushion pad 11 on pressing plate 12, and after 12 stress of pressing plate, mobile compression resets bullet to pressing plate 12 straight down
Spring 17, until 12 position of pressing plate, less than 11 position of cushion pad, at this point, disconnecting switch separating brake is in place, 17 decrement of resetting spring reaches
To maximum；The trip inspection pressure measurement force snesor 1-2 stress of 17 end of resetting spring, trip inspection pressure measurement force snesor 1-2 acquisitions are multiple
The restoring force that the compressive deformation of position spring 17 generates；The pressure value that trip inspection pressure measurement force snesor 1-2 is measured, passes through signal processing
Device 2, convergence control cabinet 4 are sent into monitoring display 3, and are compared with the separating brake pressure value that prestores in monitoring display 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 primary detection pressure sensor 1-1 and the trip inspection measuring pressure of closing a floodgate every 30min
The pressure data that sensor 1-2 is measured）.Signal processor 2 is existing mature equipment.
Claims (7)
1. a kind of folding-jib disconnecting switch divide-shut brake monitoring device in place, which is characterized 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, outer diameter and the fingertip spring of spring bushing are equipped in 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 supporting block, and supporting block is fixed on disconnecting switch
Lower contact tube on, trip inspection measuring pressure covers disposed on sensor has resetting spring, and one end of resetting spring is pressed on trip inspection measuring pressure
On sensor, the other end of resetting spring is connected with pressing plate, and pressing plate position is higher than the position of the cushion pad on lower contact tube.
2. folding-jib disconnecting switch divide-shut brake according to claim 1 monitoring device in place, which is characterized in that detection of closing a floodgate
The output terminal of pressure sensor and the output terminal of trip inspection pressure measurement force snesor are connected with the input terminal of wireless transmitter, wirelessly
The output terminal of transmitter is connected with the input terminal of wireless receiver, the output terminal of wireless receiver and the input terminal of signal processor
It is connected, the output terminal of signal processor is connected by convergence control cabinet with monitoring display.
3. folding-jib disconnecting switch divide-shut brake according to claim 1 or 2 monitoring device in place, which is characterized in that described
Pressing plate both sides are equipped with cover board, for limiting the degree of freedom of pressing plate all directions；Cover board is mounted on by guide cover in supporting block.
4. folding-jib disconnecting switch divide-shut brake according to claim 1 or 2 monitoring device in place, which is characterized in that described
Location hole is provided on the fingertip of disconnecting switch, the end of spring bushing is loaded in location hole.
5. folding-jib disconnecting switch divide-shut brake according to claim 1 or 2 monitoring device in place, which is characterized in that close a floodgate
The bottom for detecting pressure sensor is equipped with positive stop lug boss, and the limit convex with detection pressure sensor bottom of closing a floodgate is provided on spring base
The shrinkage pool that platform is adapted；The bottom of trip inspection pressure measurement force snesor is also equipped with positive stop lug boss, is provided in supporting 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, which is characterized 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, which is characterized 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 resetting spring are pressed on the elasticity sensitivity of the resistance strain plate sensor as trip inspection pressure measurement force snesor
On element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721732877.5U CN207601262U (en) | 2017-12-13 | 2017-12-13 | A kind of folding-jib disconnecting switch divide-shut brake monitoring device in place |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721732877.5U CN207601262U (en) | 2017-12-13 | 2017-12-13 | A kind of folding-jib disconnecting switch divide-shut brake monitoring device in place |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207601262U true CN207601262U (en) | 2018-07-10 |
Family
ID=62765053
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721732877.5U Withdrawn - After Issue CN207601262U (en) | 2017-12-13 | 2017-12-13 | A kind of folding-jib disconnecting switch divide-shut brake monitoring device in place |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207601262U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107831436A (en) * | 2017-12-13 | 2018-03-23 | 湖南长高高压开关有限公司 | A kind of folding-jib disconnecting switch divide-shut brake monitoring device and method in place |
-
2017
- 2017-12-13 CN CN201721732877.5U patent/CN207601262U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107831436A (en) * | 2017-12-13 | 2018-03-23 | 湖南长高高压开关有限公司 | A kind of folding-jib disconnecting switch divide-shut brake monitoring device and method in place |
| CN107831436B (en) * | 2017-12-13 | 2023-05-12 | 湖南长高高压开关有限公司 | Folding arm type disconnecting switch opening and closing in-place monitoring device and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107831436A (en) | A kind of folding-jib disconnecting switch divide-shut brake monitoring device and method in place | |
| CN203259629U (en) | Diagnostic instrument for high-voltage breaker mechanical fault | |
| CN104569481B (en) | Buchholz relay oil stream flow velocity acquisition system and grave gas setting valve method of calibration | |
| CN203894317U (en) | Online monitoring device used for leakage current of high-voltage cables | |
| CN201965191U (en) | Capacitor intelligentizing device | |
| CN101718813B (en) | Method for monitoring voltage acquisition circuit of electric power secondary system | |
| CN110165778A (en) | A kind of oil-immersed power transformer non-ionizing energy loss fault wave recording device and method | |
| CN105836569A (en) | Elevator weighing device | |
| CN208043923U (en) | A kind of insulation leakagel volume leakage automatic detection device of distribution box | |
| CN207601262U (en) | A kind of folding-jib disconnecting switch divide-shut brake monitoring device in place | |
| CN110553801B (en) | Multifunctional gas density monitor and system based on edge calculation | |
| CN201344959Y (en) | Condition monitoring device for floating mold difference high-voltage capacitor | |
| CN205622318U (en) | Power consumption monitoring system and distribution network | |
| CN201498430U (en) | Online vacuum degree monitoring device for vacuum circuit breaker | |
| CN109342904A (en) | A kind of method and device of arc fault detection and early warning | |
| CN109470382A (en) | Temperature monitoring device and high-pressure insulating ring guard system | |
| CN203054193U (en) | On-line monitoring system for mechanical characteristic of vacuum circuit breaker | |
| CN203164360U (en) | Transformer device insulation online monitoring system | |
| CN110161357B (en) | Fault recording device and method for pressure relief valve of oil-immersed power transformer | |
| CN204091111U (en) | Early-warning for high pressure insulating boot | |
| CN207424224U (en) | A kind of device for possessing on-line monitoring exchange and scurrying into DC power system function | |
| CN205772606U (en) | A kind of elevator weighing apparatus | |
| CN104241008B (en) | Method and device for detecting breaking and closing positions of vacuum circuit breaker contacts | |
| CN211179415U (en) | Mechatronic gas density relay and system | |
| CN201828365U (en) | Switching-on pressure real-time monitoring and warning system of transformer substation disconnecting link |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20180710 Effective date of abandoning: 20230512 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20180710 Effective date of abandoning: 20230512 |