CN206259270U - Isolated breaker - Google Patents
Isolated breaker Download PDFInfo
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- CN206259270U CN206259270U CN201621153380.3U CN201621153380U CN206259270U CN 206259270 U CN206259270 U CN 206259270U CN 201621153380 U CN201621153380 U CN 201621153380U CN 206259270 U CN206259270 U CN 206259270U
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- isolated
- moving contact
- breaker
- isolated breaker
- main shaft
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- 230000003068 static effect Effects 0.000 claims abstract description 27
- 230000007246 mechanism Effects 0.000 claims abstract description 13
- 238000002955 isolation Methods 0.000 claims abstract description 7
- 230000005540 biological transmission Effects 0.000 claims description 29
- 230000033001 locomotion Effects 0.000 claims description 16
- 230000001052 transient effect Effects 0.000 claims description 5
- 230000008859 change Effects 0.000 claims description 3
- 230000008450 motivation Effects 0.000 claims description 2
- 230000006870 function Effects 0.000 description 14
- 238000000034 method Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 7
- 230000009471 action Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000005611 electricity Effects 0.000 description 4
- 230000005577 local transmission Effects 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000008093 supporting effect Effects 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000009351 contact transmission Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
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Abstract
The utility model provides isolated breaker, including moving contact and static contact, the isolated breaker is servo driven type breaker, its also include for drive moving contact to move with realize between static contact it is different open away from operating mechanism, the operating mechanism includes that control moving contact is in the servomotor of different set position, the moving contact has three setting positions, first position is the closing position under closure state, second position is the open position under off state, 3rd position is the isolated location under isolation, the moving contact be in isolated location when open away from when being in open position more than it open away from.By using the isolated breaker of the servo-drive, the problem for causing disconnecting switch, divide-shut brake function to coordinate away from pattern is opened because use is fixed between can solve the problem that the dynamic/static contact of traditional isolated breaker.
Description
Technical field
The utility model is related to a kind of isolated breaker of servo-drive.
Background technology
Current transformer station generally uses isolated breaker（DCB, Disconnect in Circuit Breaker）Come real
The isolation of existing circuit or divide-shut brake function, isolated breaker will disconnecting switch and breaker integrate, disconnecting switch
A set of dynamic/static contact is shared with breaker, the work(that isolated breaker is contacted or be implemented separately with static contact is moved by moving contact
Energy.The usage quantity of station equipment can be reduced using isolated breaker, transformer station's space hold amount is reduced, optimizes transformer station
Structure, reduces cost.
It is certain value that isolated breaker is mostly opened away from pattern, i.e. the distance between dynamic/static contact using fixation, such as one
The applying date is 2014.01.23, and the Chinese patent of Application No. 201420042414.6 discloses a kind of 110kV outdoor high-voltages intelligence
The isolated breaker of energy, including arc-chutes, it is 140 millis that the distance between moving contact and static contact, dynamic/static contact is provided with arc-chutes
Rice, i.e., increase to 140 millimeters on the basis of original 110 millimeters, makes the effect of the structure compatible breaker and disconnecting switch, i.e.,
In order to ensure the safe and effective of disconnecting switch function, will generally open away from appropriate expansion is carried out on the basis of original numerical value, make
There is certain safe distance between dynamic/static contact, but holding can also be such that moving contact extends with the binding time of static contact away from expansion,
Influence the sensitivity of circuit-breaker switching on-off function.
Utility model content
The purpose of this utility model is to provide a kind of isolated breaker of servo-drive, isolated disconnected for solving tradition
Cause what disconnecting switch, divide-shut brake function can not coordinate to ask away from pattern due to being opened using fixation between the dynamic/static contact of road device
Topic.
To achieve the above object, the technical scheme of the isolated breaker of the utility model servo-drive is：Including moving contact
And static contact, also including for drive moving contact to move with realize between static contact it is different open away from operating mechanism, it is described
Operating mechanism includes that control moving contact is in the servomotor of different set position, and the moving contact has three setting positions,
First position is the closing position under closure state, and second position is the open position under off state, the
Three positions are the isolated location under isolation, and the opening when moving contact is in isolated location is in point away from more than it
During gate position open away from.
The transmission main shaft that the operating mechanism is connected by transmission main shaft with the output shaft of servomotor, by drive link and
Dynamic shake-up is coupled for pulling moving contact motion, and the transmission main shaft is provided with the connecting lever for being coupled with drive link transmission.
The servomotor is located at one end of transmission main shaft.
The isolated breaker of servo-drive is provided with the position sensing for detecting with feed back moving contact movement position
Device.
The position sensor is located at servomotor along the axial outside of transmission main shaft.
The isolated breaker of servo-drive to be provided with and seize system for keep transmission main shaft to turn to certain position
Dynamic device.
The brake that seizes is in driving motor output shaft and between motor and position sensor.
The isolated breaker of servo-drive also includes the switch board of the servo drive system for controlling operating mechanism.
The isolated breaker of servo-drive also includes the torque sensor of the transient torque for gathering transmission main shaft,
Torque sensor is used for the transient torque on Real-time Collection transmission main shaft, real with by the comparison with servomotor calculating torque
When analyzing device mechanical load situation of change.
The beneficial effect of the isolated breaker of the utility model servo-drive is：Using the actuating machine for being provided with servomotor
Structure, can be controlled to the angle of each rotation of servomotor spindle, to realize that moving contact can be driven to rest on three not
Same position, when breaker function is exercised, can make the drive mechanism rotate to an angle, and make in the dynamic of closure conducting state
Contact is separated with static contact, and moving contact moves to open position by closing position；When disconnecting switch function is exercised, the drive can be made
Motivation structure rotates another angle, and moving contact continues to be separated with static contact, the moving contact in open position is moved to isolated bit
Put, obtain one compared with large opening；Different between dynamic/static contact opening away from opening when moving contact is in isolated location can so be obtained
Away from when being in open position more than it open away from, be used to ensure divide-shut brake action it is rapid efficiently and disconnecting switch function safety
Effectively, i.e., by controlling servomotor, can make the isolated breaker of servo-drive that there is the function of variable-distance, so that disconnected
Road device function is integrated in one with disconnecting switch orthofunction.
Brief description of the drawings
Fig. 1 is the structural representation of the isolated breaker embodiment one of the utility model servo-drive；
Fig. 2 is local transmission mechanism motion state schematic diagram when moving contact is located at closing position in Fig. 1；
Fig. 3 is local transmission mechanism motion state schematic diagram when moving contact is located at open position in Fig. 1；
Fig. 4 is local transmission mechanism motion state schematic diagram when moving contact is located at isolated location in Fig. 1；
Fig. 5 is the schematic diagram of the isolated breaker of the utility model servo-drive.
Wherein, 1- arc-chutes；2- insulating supportings room；3- transmission main shafts；4- servomotors；5- position sensors；6- is seized
Brake；7- torque sensors；8- connecting levers；9- system control cabinets；10- upper connecting rods；Pull bar under 11-.
Specific embodiment
Implementation method of the present utility model is described further below in conjunction with the accompanying drawings.
The specific embodiment one of the isolated breaker of servo-drive of the present utility model, is as shown in Figure 1 its structural representation
Figure, including transmission main shaft 3, the left end of transmission main shaft 3 are provided with servomotor 4, and servomotor right-hand member output shaft leads to transmission main shaft 3
Shaft coupling connection is crossed, the left end output shaft of servomotor 4 is provided with and seizes brake 6, the outside for seizing brake 6 is provided with position biography
Sensor 5.
The top of transmission main shaft 3 is linked with three pole arc-chutes 1, and moving contact and static contact are provided with inside arc-chutes 1, and moving contact sets
In static contact lower section, chamber interior is full of SF6Gas, is used to ensure that divide-shut brake is carried out with disconnecting switch action safety, moving contact
Transmission main shaft 3 is attached to by drive link, drive link includes upper connecting rod 10 and the lower pull bar 11 being hinged with upper connecting rod 10, moves and touch
Head is located at the top of upper connecting rod 10, and upper connecting rod 10 is inside insulating supporting room 2.
Connecting lever 8 is fixed with transmission main shaft 3, the lower pull bar 11 of connection is rotated on connecting lever 8, by the rotation of transmission main shaft 3
Motion drives the synchronous rotary of connecting lever 8, then by the rotational movement upper connecting rod 10 between connecting lever 8 and lower pull bar 11 in insulation branch
Support is moved up and down in room 2, and the up and down motion of moving contact is realized therewith, is realized contact with static contact or is separated.
Moving contact has three setting positions, and first position is closing position, when moving contact is contacted with static contact, is
The closing position of contact；Second position is open position, when moving contact will be separated with static contact, and is moved downwardly to certain
Position, this is the open position of moving contact, and closing position need not be too far apart with open position, to ensure divide-shut brake action
It is rapid efficiently；3rd position is isolated location, when the isolated breaker of servo-drive needs to exercise disconnecting switch function
When, it is necessary to moving contact continues to move downward from open position, make opening away from further increase between dynamic/static contact, with ensure every
From the safe and effective of switching function.
The process that moving contact switches between closing position and open position, is the isolated open circuit of the utility model servo-drive
Device exercises the breaker pattern of divide-shut brake function, and the process that moving contact switches between open position and isolated location, is this practicality
The disconnecting switch pattern of new enforcement disconnecting switch function.
Servomotor 4 can correspondingly make moving contact move to closing position, open position by rotating different angles
Or isolated location, when servomotor is rotated to be stopped, moving contact stop motion is simultaneously maintained at relevant position, in order that moving contact is more
Plus it is stably maintained at required position, it is possible to use brake 6 is seized further to carry out position holding to moving contact.
When the final stop place for performing the moving contact that divide-shut brake or disconnecting switch are acted has deviation, pass through
Position sensor 5 detects the position deviation of moving contact, sends deviation signal to system control cabinet 9 therewith, then system control
Cabinet processed 9 indicates servomotor 4 to rotate to adjust the position of moving contact by appropriate, moving contact is moved to real-time just
True position.
As shown in Figures 2 to 4 for the isolated breaker of the utility model servo-drive realizes divide-shut brake and disconnecting switch work(
The action process of energy.
Under breaker pattern, when the electricity system for needing normal operation carries out separating brake, i.e., by Fig. 2 to Fig. 3 institutes
The process shown, the separating brake that the system control cabinet 9 of the isolated breaker of servo-drive receives station control, protection device or side is sent on the spot
Instruction, then indicate servomotor 4 rotate a certain angle and so that moving contact is moved downwardly to open position from closing position,
The motor anglec of rotation has certain corresponding relation with the distance that moves up and down of moving contact, in the present embodiment, when system control
When cabinet 9 receives separating brake and instructs, servomotor 4 is indicated to drive transmission main shaft 3 to turn clockwise αo, while connecting lever 8 turns over same angular
Degree, downward straight of the top moving contact of upper connecting rod 10 is converted rotational motion into by the rotation connection between connecting lever 8 and lower pull bar 11
Line is moved, and moving contact is quick to start, accelerate under the drive of servomotor 4, reaches the separating brake speed for cut-offfing short circuit current requirement
Degree, promotes dynamic/static contact high-speed separation, and moving contact rests on open position, and is steadily stopped and guarantor by seizing brake 6
Hold on this position, be that the isolated breaker closing of servo-drive or isolation separating brake are prepared.
When needing the electricity system in gate-dividing state to be closed a floodgate, i.e., as the process shown in Fig. 3 to Fig. 2, watch
Clothes drive the reclosing command that the system control cabinet 9 of isolated breaker receives station control, protection device or side is sent on the spot, then refer to
Servomotor 4 is shown to rotate a certain angle and so that moving contact moves upward to closing position from open position, in the present embodiment
In, when system control cabinet 9 receives reclosing command, indicate servomotor 4 to drive the rotate counterclockwise α of transmission main shaft 3o, while turning
Arm 8 turns over equal angular, and converting rotational motion into the top of upper connecting rod 10 by the rotation connection between connecting lever 8 and lower pull bar 11 moves
The upward linear motion of contact, moving contact is quick to start, accelerate under the drive of servomotor 4, reaches the combined floodgate speed of requirement
Degree, promotes dynamic/static contact quick-make, and moving contact rests on closing position, and is steadily stopped and guarantor by seizing brake 6
Hold on this position, be that the isolated breaker open operation of servo-drive is prepared.
The control servomotor 4 of system control cabinet 9 makes moving contact switch between above-mentioned open position and closing position, is this reality
The breaker pattern of isolated breaker is driven with novel servo, divide-shut brake function can be realized.
Under disconnecting switch pattern, when needing the electricity system in gate-dividing state to carry out disconnecting switch separating brake,
I.e. as the process shown in Fig. 3 to Fig. 4, when the disconnecting switch separating brake that system control cabinet 9 receives station control or side is sent on the spot is instructed, refer to
Servomotor 4 is shown to rotate a certain angle and so that moving contact is moved downwardly to isolated location from open position, in the present embodiment
In, when system control cabinet 9 receives disconnecting switch to be instructed, indicate servomotor 4 to drive transmission main shaft 3 to turn clockwise βo, together
When connecting lever 8 turn over equal angular, connected by rotation between connecting lever 8 and lower pull bar 11 and convert rotational motion into upper connecting rod 10 and push up
The downward linear motion of end moving contact, promotes contact system to continue to separate, fortune of the moving contact under servomotor drive to set
Scanning frequency degree is moved, and finally stops at isolated location, is then further stably held on this position by seizing brake 6,
Prepared for the isolated disconnector of servo-drive closes a floodgate.
When needing the electricity system in isolation to carry out disconnecting switch combined floodgate, i.e., as shown in Fig. 4 to Fig. 3
Process, when system control cabinet 9 receives the disconnecting switch reclosing command that station is controlled or side is sent on the spot, indicates servomotor 4 to drive and passes
The dynamic rotate counterclockwise β of main shaft 3o, while connecting lever 8 turns over equal angular, being connected by the rotation between connecting lever 8 and lower pull bar 11 will rotation
Transhipment is dynamic to be converted to the upward linear motion of the top moving contact of upper connecting rod 10, makes dynamic/static contact close to each other, and moving contact is in servo
Motor is moved under driving with the speed of service for setting, and finally stops at open position, then further steady by seizing brake 6
Surely it is maintained on this position, and rapid closing for the isolated breaker of servo-drive or isolation separating brake are prepared.
Torque sensor 7 is additionally provided with shaft coupling on transmission main shaft 3, for the transient state on Real-time Collection transmission main shaft
Torque, by the comparison with the calculating torque of servomotor 4, the situation of change that can be loaded with real time parsing plant machinery, is body
The anticipation of failure tendency is provided and operation trend analysis builds reliable data basis.
As the specific embodiment two of the isolated breaker of the utility model servo-drive, it is different from implementation method one it
Place is not use torque sensor.
Claims (9)
1. isolated breaker, including moving contact and static contact, it is characterised in that：The isolated breaker is disconnected for servo driven type
Road device, its also include for drive moving contact to move with realize between static contact it is different open away from operating mechanism, the behaviour
Motivation structure includes that control moving contact is in the servomotor of different set position, and the moving contact has three setting positions, the
One position is the closing position under closure state, and second position is the open position under off state, the 3rd
Individual position is the isolated location under isolation, and the opening when moving contact is in isolated location is in separating brake away from more than it
During position open away from.
2. isolated breaker according to claim 1, it is characterised in that：The operating mechanism passes through transmission main shaft and watches
The output shaft for taking motor is connected, and is coupled with moving contact for pulling moving contact to move, on the transmission main shaft by drive link
It is provided with the connecting lever for being coupled with drive link transmission.
3. isolated breaker according to claim 2, it is characterised in that：The servomotor is located at the one of transmission main shaft
End.
4. isolated breaker according to claim 3, it is characterised in that：The isolated breaker is provided with for examining
Survey the position sensor with feedback moving contact movement position.
5. isolated breaker according to claim 4, it is characterised in that：The position sensor is located at servomotor edge
The outside of transmission main shaft axial direction.
6. the isolated breaker according to claim 4 or 5, it is characterised in that：The isolated breaker is provided with use
Brake is seized in keep transmission main shaft to turn to certain position.
7. isolated breaker according to claim 6, it is characterised in that：It is described seize brake located at motor it is defeated
On shaft and between motor and position sensor.
8. isolated breaker according to claim 7, it is characterised in that：The isolated breaker is also included for controlling
The switch board of the servo drive system of operating mechanism processed.
9. the isolated breaker according to claim 2-5 any one, it is characterised in that：The isolated breaker is also
Torque sensor including the transient torque for gathering transmission main shaft, torque sensor is used on Real-time Collection transmission main shaft
Transient torque, with by the comparison with servomotor calculating torque, the situation of change of real time parsing plant machinery load.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621153380.3U CN206259270U (en) | 2016-10-31 | 2016-10-31 | Isolated breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621153380.3U CN206259270U (en) | 2016-10-31 | 2016-10-31 | Isolated breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206259270U true CN206259270U (en) | 2017-06-16 |
Family
ID=59024155
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621153380.3U Active CN206259270U (en) | 2016-10-31 | 2016-10-31 | Isolated breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206259270U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106504915A (en) * | 2016-10-31 | 2017-03-15 | 平高集团有限公司 | A kind of isolated chopper |
-
2016
- 2016-10-31 CN CN201621153380.3U patent/CN206259270U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106504915A (en) * | 2016-10-31 | 2017-03-15 | 平高集团有限公司 | A kind of isolated chopper |
| WO2018076455A1 (en) * | 2016-10-31 | 2018-05-03 | 国家电网公司 | Servo-drive isolation circuit breaker |
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