CN106997825A - Environmentally friendly gas switch cabinet integral type spring operating mechanism - Google Patents
Environmentally friendly gas switch cabinet integral type spring operating mechanism Download PDFInfo
- Publication number
- CN106997825A CN106997825A CN201610046301.7A CN201610046301A CN106997825A CN 106997825 A CN106997825 A CN 106997825A CN 201610046301 A CN201610046301 A CN 201610046301A CN 106997825 A CN106997825 A CN 106997825A
- Authority
- CN
- China
- Prior art keywords
- switch
- operating mechanism
- control unit
- ground connection
- cabinet
- 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.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/02—Details
- H01H33/46—Interlocking mechanisms
- H01H33/52—Interlocking mechanisms for interlocking two or more switches
Landscapes
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The invention discloses a kind of environmentally friendly gas switch cabinet integral type spring operating mechanism, integral type spring operating mechanism is connected with the switch mechanism of environmentally friendly gas switch cabinet, switch mechanism includes vacuum switch operating mechanism, disconnecting switch operating mechanism and earthed switch operating mechanism, and integral type spring operating mechanism includes：Vacuum switch control unit, vacuum switch control unit is connected with vacuum switch operating mechanism, and vacuum switch operating mechanism is spring mechanism；Disconnecting switch control unit, disconnecting switch control unit is connected with disconnecting switch operating mechanism；Earthed switch control unit, earthed switch operating unit is located in clamping plate type mechanism, and earthed switch control unit is connected with earthed switch operating mechanism；Switch interlock control unit, switch chain control unit is connected with vacuum switch control unit, disconnecting switch control unit and earthed switch control unit.It is integral type spring operating mechanism compact conformation according to embodiments of the present invention, easy to operate and reliable.
Description
Technical field
The present invention relates to switch cubicle technical field, operated more particularly, to a kind of environmentally friendly gas switch cabinet with integral type spring
Mechanism.
Background technology
Switch cubicle is one of key equipment of power supply industry, in the related art, and the hermetically sealed equipment of gas-insulated is mainly application
SF6 gases (sulfur hexafluoride gas) carry out arc extinguishing and insulation as insulating gas, and SF6 is that a kind of have extremely strong greenhouse effect
The not environmentally gas answered, is also decomposed into toxic products under high-temperature electric arc effect, has been not suitable with modern electric industry development
Demand.In addition, power system switch cabinet also exist volume bigger than normal, poor safety performance, poor expandability, install it is inconvenient,
The shortcomings of poor reliability and manufacturing cost and higher operation expense, certain economic damage is brought to country and electricity consumption user
The problems such as mistake, modern electric industry development demand has been not suitable with it.
The content of the invention
It is contemplated that at least solving one of technical problem in correlation technique to a certain extent.Therefore, the present invention is proposed
A kind of environmentally friendly gas switch cabinet integral type spring operating mechanism, the integral type spring operating mechanism compact conformation, operation side
Just while safe and reliable.
Environmentally friendly gas switch cabinet integral type spring operating mechanism according to embodiments of the present invention, the integral type operating machine of the spring
Structure is connected with the switch mechanism of environmentally friendly gas switch cabinet, the switch mechanism including vacuum switch operating mechanism, every
Leave in pass operating mechanism and earthed switch operating mechanism, the cabinet of the environmentally friendly gas switch cabinet and be provided with clamping plate type mechanism, institute
Stating integral type spring operating mechanism includes：Vacuum switch control unit, the vacuum switch control unit is located in the cabinet
And be located in the clamping plate type mechanism, the vacuum switch control unit is connected with vacuum switch operating mechanism, described to control
The divide-shut brake of vacuum switch operating mechanism, the vacuum switch operating mechanism is spring mechanism；Disconnecting switch control unit, institute
Disconnecting switch control unit is stated in the cabinet and is located in the clamping plate type mechanism, the disconnecting switch control unit with
The disconnecting switch operating mechanism is connected, to control the divide-shut brake of the disconnecting switch operating mechanism；Earthed switch control unit,
The earthed switch operating unit is located in the cabinet and is located in the clamping plate type mechanism, the earthed switch control unit
It is connected with the earthed switch operating mechanism, to control the divide-shut brake of the earthed switch operating mechanism；Switch interlock control is single
Member, the switch interlock control unit is located on the front panel of the cabinet, the switch chain control unit and the vacuum
Switch control unit, the disconnecting switch control unit and the earthed switch control unit are connected, to control the vacuum
Switch control unit, disconnecting switch control unit and earthed switch control unit work and indicate the switch mechanism
Working condition.
It is integral type spring operating mechanism compact conformation according to embodiments of the present invention, easy to operate and safe and reliable.
In addition, integral type spring operating mechanism according to the above embodiment of the present invention can also have technical characteristic additional as follows：
According to some embodiments of the present invention, the earthed switch operating mechanism and the disconnecting switch operating mechanism are integrated into tool
Have ground connection, separating brake and and close a floodgate three stations the station operating mechanism of isolation three.
According to some embodiments of the present invention, the switch interlock control unit includes：Indicator board is switched, the switch is indicated
Plate is connected with the vacuum switch control unit, described true to move and indicate under the drive of the vacuum switch control unit
Air switch closes the working condition of operating mechanism；Isolated operation axle, the isolated operation axle is connected with the disconnecting switch control unit；
Isolate three station direction boards, the station direction board of isolation three is connected with the isolated operation axle, with the isolated operation axle
Pivot and indicate the working condition of three station operating mechanisms of the isolation；Operating shaft is grounded, the ground connection operating shaft connects with described
Ground switch control unit be connected, it is described ground connection operating shaft it is described isolation three station operating mechanism separating brakes when with the isolated operation
Axle transmission is connected and separated when three station operating mechanisms of the isolation close a floodgate with the isolated operation axle.
According to some embodiments of the present invention, the switch interlock control unit also includes：Operation selection knob and operation baffle plate,
The position that the operation baffle plate is often operated in ground connection operating shaft described in backstop and the isolated operation axle, the operation selection rotation
Button is connected with the operation baffle plate, to drive the operation baffle plate to pivot, makes the ground connection operating shaft or the isolated operation axle
Release backstop.
According to some embodiments of the present invention, often horizontally extending and two ends are respectively formed with suitable for only the operation baffle plate
Keep off the first stopper section of the isolated operation axle and the second stopper section suitable for being grounded operating shaft described in backstop, the operation baffle plate
Lower end be formed with the 3rd stopper section suitable for isolated operation axle described in backstop or the ground connection operating shaft, the 3rd stopper section
Between first stopper section and second stopper section, three station direction boards of the isolation are in three station works of the isolation
When making mechanism combined floodgate described first is in above first stopper section and in three station operating mechanism separating brake of the isolation
Stopper section.
According to some embodiments of the present invention, the station direction board of isolation three is formed with arc port and connected with the arc port
Logical backstop breach, first stopper section is located in the arc port when three station operating mechanisms of the isolation close a floodgate, institute
State three station direction boards of isolation and be suitable to operation baffle plate rotation described in backstop when first stopper section is moved to the backstop breach
Turn.
According to some embodiments of the present invention, the switch interlock control unit also includes：Connecting plate, the one of the connecting plate
End is pivotly connected with the switch indicator board；Baffle plate, one end of the baffle plate and the other end of the connecting plate are pivotable
Ground is connected, and the other end of the baffle plate is pivotly connected with the cabinet, and the baffle plate is in the vacuum switch operating mechanism
It is suitable to isolated operation axle described in backstop during combined floodgate to pivot.
According to some embodiments of the present invention, the disconnecting switch control unit includes：Isolated operation main shaft, the isolation behaviour
Make main shaft with the isolated operation axle to be connected, to pivot under the drive of the isolated operation axle；Isolation and amplifier gear, it is described
Isolation and amplifier gear is pivoted under the drive of the isolated operation main shaft；Turn to driving rack, the steering driving rack and institute
State the engagement of isolation and amplifier gear to be connected, the steering driving rack is connected with three station operating mechanisms of isolating.
According to some embodiments of the present invention, the disconnecting switch control unit also includes limit shaft, the steering driving rack
Spacing hole is provided with, the limit shaft is located on the cabinet and movably stretched into the spacing hole.
According to some embodiments of the present invention, the earthed switch control unit includes：It is grounded operation axis, the ground connection behaviour
Make main shaft with the ground connection operating shaft to be connected, to pivot under the drive of the ground connection operating shaft；Clutch plate, the clutch plate
It is connected with the ground connection operation axis, to be pivoted with the ground connection operation axis；Clutch connecting lever is grounded, the ground connection clutch is turned
Arm is connected with the isolated operation main shaft, to be pivoted with the isolated operation main shaft, and the ground connection clutch connecting lever is provided with ground connection
Clutch roller bearing；Expansion link, one end of the expansion link is connected by fixing axle with cabinet, the other end of the expansion link and institute
State clutch plate to be hinged, the clutch plate is provided with the clutch breach for being suitable to coordinate with the ground connection clutch connecting lever；Ground spring,
The ground spring is set on the expansion link, and the ground spring is suitable to promote the clutch plate to pivot, described to drive
Ground connection clutch connecting lever pivots and moves the steering driving rack.
According to some embodiments of the present invention, the clutch plate is suitable to only be against institute in the earthed switch operating mechanism separating brake
State in the cabinet door of environmentally friendly gas switch cabinet and be located at when the earthed switch operating mechanism closes a floodgate above the cabinet door.
The additional aspect and advantage of the present invention will be set forth in part in the description, and partly will become bright from the following description
It is aobvious, or recognized by the practice of the present invention.
Brief description of the drawings
Fig. 1 is the sectional view between the front and rear sides plate of integral type spring operating mechanism according to embodiments of the present invention；
Fig. 2 is the top view of integral type spring operating mechanism according to embodiments of the present invention.
Fig. 3 is the structural representation of the switch interlock control unit of integral type spring operating mechanism according to embodiments of the present invention.
Reference：
Mechanism front side board 1；Stationary positioned bearing pin 2；Mechanism back side panel 3；Turn to driving rack 4, isolation and amplifier gear 5, control
Cam 6 processed, output toggle arm 7, back-up roller wheel 8, live roller 9, pallet 10, close a floodgate holding connecting lever 11, floodgate semiaxis
12nd, combined floodgate connecting lever return spring 13, energy storage pallet return spring 14, energy storage pallet 15, energy storage semiaxis 16, clutch plate 17, connect
Floor spring 18, expansion link 19, energy-stored spring 20；Energy storage semiaxis return spring 21, floodgate semiaxis return spring 22, switch are indicated
Plate 23, connecting plate 24, baffle plate 25, limit shaft 26, isolated operation main shaft 27, ground connection clutch roller bearing 28；Ground connection operation master
Axle 29, fixing axle 30；Isolate three station direction boards 31, isolated operation axle 32；Operation selection knob 33；It is grounded operating shaft
34；Operate baffle plate 35；First stopper section 351；Second stopper section 352；3rd stopper section 353；Camshaft 36；Pallet
Support shaft 37；It is grounded clutch connecting lever 38；Clutch breach 39.
Embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings.Below with reference to accompanying drawing
The embodiment of description is exemplary, it is intended to for explaining the present invention, and be not considered as limiting the invention.
Environmentally friendly gas switch cabinet integral type spring operating mechanism according to embodiments of the present invention is described in detail below in conjunction with the accompanying drawings.
The cabinet of environmentally friendly gas switch cabinet can be stainless steel cabinet body, and be not affected by the external environment close can be provided with cabinet
Sealing in gas tank, sealing gas tank can be filled with environmentally friendly gas, for example, nitrogen etc., to reduce the release of noxious material, is improved
Security.Clamping plate type mechanism is provided with cabinet, as shown in Fig. 2 clamping plate type mechanism can include mechanism front side board 1, mechanism
Back side panel 3 and the stationary positioned bearing pin 2, gag lever post and the support bar that are laid between mechanism front side board and mechanism back side panel etc.,
Cabinet can be enclosed by front panel, rear board, left panel, right panel, upper plate and lower shoe and formed.
Environmentally friendly gas switch cabinet can include integral type spring operating mechanism and switch mechanism.Switch mechanism can be wrapped
Include vacuum switch operating mechanism, disconnecting switch operating mechanism and earthed switch operating mechanism.Vacuum switch operating mechanism has
The static side of breaker and moved end, when moved end is contacted with static side, vacuum switch operating mechanism closes a floodgate, i.e., breaker closing works；
When moved end is separated with static side, vacuum switch operating mechanism separating brake, breaker open operation.Disconnecting switch operating mechanism has isolation dynamic
Contact and isolation static contact, when isolation static contact is contacted with isolation moving contact, disconnecting switch operating mechanism closes a floodgate, disconnecting switch
Combined floodgate work；When isolation static contact is separated with isolation moving contact, disconnecting switch operating mechanism separating brake, disconnecting switch realizes separating brake.
Earthed switch operating mechanism has ground connection moving contact and grounding static contact, when ground connection moving contact is contacted with grounding static contact, ground connection
Switch mechanism is in "on" position, and earthed switch is grounded；When ground connection moving contact is separated with grounding static contact, ground connection
Switch mechanism separating brake, earthed switch is earth-free.
Integral type spring operating mechanism can be connected with the switch mechanism of environmentally friendly gas switch cabinet, with controlling switch working machine
The working condition of structure, that is, control point of vacuum switch operating mechanism, disconnecting switch operating mechanism and earthed switch operating mechanism
Close a floodgate.Referring to figs. 1 to shown in Fig. 3, integral type spring operating mechanism can include vacuum switch control unit, disconnecting switch
Control unit, earthed switch control unit and switch interlock control unit.Wherein, switch interlock control unit can be installed
On the front panel of cabinet, vacuum switch control unit, disconnecting switch control unit, earthed switch control unit can be set
In cabinet and in clamping plate type mechanism, allow clamping plate type that multiple control units are played with support, fixation and installation
Effect, it is ensured that the structural stability and functional reliability of switch cubicle, while three in four control units are respectively positioned in cabinet,
Only one control unit is stretched out cabinet and operated, and integral type spring operating mechanism is smaller by external environment influence, workability
Can be reliable.
Vacuum switch control unit can be connected with vacuum switch operating mechanism, to control the divide-shut brake of vacuum switch operating mechanism,
Vacuum switch control unit can be spring mechanism, spring mechanism reliable operation, and can be with energy storage.Disconnecting switch control is single
Member can be connected with disconnecting switch operating mechanism, to control the divide-shut brake of disconnecting switch operating mechanism.Earthed switch control unit
It can be connected with earthed switch operating mechanism, to control the divide-shut brake of earthed switch operating mechanism.Switching chain control unit can
To be connected with vacuum switch control unit, disconnecting switch control unit and earthed switch control unit, to control vacuum switch
Control unit, disconnecting switch control unit and the work of earthed switch control unit, and indicate the work of switch mechanism
The working condition of state, i.e. switch cubicle.
Integral type spring operating mechanism according to embodiments of the present invention, is integrated with vacuum switch control unit, disconnecting switch control
Unit, four control units of earthed switch control unit and switch interlock control unit, primary operational can be joined by switching
Lock control unit is carried out, it is possible to achieve to the control for the working condition for switching operating mechanism, the control to environmentally friendly gas switch cabinet
More convenient and reliable with operating, integral type spring operating mechanism integrated level is higher, and more compact structure is affected by the external environment more
It is small, the miniaturization for the cabinet that is conducive to opening the light, for manufacture compact conformation, small volume, operation expense it is low, not by running environment
Influence, the full-insulated full-sealed miniaturization switch cubicle of environmentally friendly gas of electric power facility investment can be reduced there is provided guarantee.
Alternatively, according to some embodiments of the present invention, earthed switch operating mechanism can be with integrated with disconnecting switch operating mechanism
For three station operating mechanisms of isolation, the station operating mechanism of isolation three has ground connection, separating brake and three stations that close a floodgate, i.e.,
Three working conditions.That is, the isolation three position mechanism has grounding static contact, ground connection moving contact, isolation static contact
With isolation moving contact, it is possible to achieve ground connection and isolation switch closing and switch opening.Thus, without setting single earthed switch again
Operating mechanism and Liang Ge mechanisms of disconnecting switch operating mechanism, it is possible to achieve modularized design, make the volume of switch cubicle smaller, again
Amount lighter, cost is lower, more compact structure.
As shown in figure 3, switch interlock control unit can include switch indicator board 23, isolated operation axle 32, three stations of isolation
Direction board 31 and ground connection operating shaft 34.Switch indicator board 23 can be connected with vacuum switch control unit, to be opened in vacuum
The working condition of vacuum switch operating mechanism is moved and indicated under the drive for closing control unit, that is, indicates the shape residing for switch cubicle
State.Isolated operation axle 32 can be connected with disconnecting switch control unit, so that disconnecting switch control unit is in isolated operation axle
Acted under 32 control.Isolating three station direction boards 31 can be connected with isolated operation axle 32, with isolated operation axle 32
Pivot and indicate to isolate the state of three station operating mechanisms.When isolating three station operating mechanism separating brakes, isolated operation axle 32
It is connected with the ground connection transmission of operating shaft 34, by operational grounding operating shaft 32 isolated operation axle 34 can be made to move and drive
Isolate three station operating mechanisms and move to ground connection station, realize the ground connection operation in disconnecting switch separating brake；When three station works of isolation
When making mechanism and being in combined floodgate station, ground connection operating shaft 34 is separated with isolated operation axle 32, and no longer transmission is connected so that every
Ground connection operation can not be carried out when closing a floodgate by leaving pass.
Thus, it is possible to realize the instruction of the working condition to vacuum switch operating mechanism by switching indicator board 23, it can pass through
Isolate the instruction that three station direction boards 31 realize the working condition to isolating three position mechanism, it is more accurate to indicate, it is easier to manufacture,
The interlock of disconnecting switch and earthed switch can also be realized simultaneously, safety and reliability is used.
As shown in figure 3, switch interlock control unit can also include operation selection knob 33 and operation baffle plate 35, baffle plate is operated
35 are often grounded the position that operating shaft 34 and isolated operation axle 32 are operated, operation selection knob 33 and operation baffle plate in backstop
35 are connected, and to drive operation baffle plate 35 to pivot, ground connection operating shaft 34 or isolated operation axle 32 is released backstop.Namely
Say, operation baffle plate 35 is suitable to carry out backstop to the operation of at least one in ground connection operating shaft 34 and isolated operation axle 32,
Operate baffle plate it is normal it is static in the state of, operation baffle plate 35 is simultaneously in simultaneously to ground connection operating shaft 34 and isolated operation axle 32
Operation carry out backstop position, operation baffle plate 35 can operation selection knob 33 drive backspin go to therein one
Individual operating shaft 32 releases backstop, operator is operated ground connection operating shaft 34 or isolated operation axle 32.Thus,
The effect of maloperation can be further functioned as, the operating reliability and safety in utilization of integral type spring operating mechanism is improved, together
When can also play a part of when not operating protective separation operating shaft 32 and ground connection operating shaft 34.
As shown in figure 3, operation baffle plate 35 is often respectively formed with suitable for backstop isolated operation axle at horizontally extending and two ends
First stopper section 351 and the second stopper section 352 that operating shaft is grounded suitable for backstop, that is to say, that operation baffle plate 35 is usual
Inactive state under can be with horizontally extending, and one of horizontal direction could be formed with the first stopper section 351, water
Square to other end could be formed with the second stopper section 352, the present position pair of 32 and first stopper section of isolated operation axle 351
Should, now, the first stopper section 351 can be grounded the stopper section of operating shaft 34 and second with the operation of backstop isolated operation axle 32
352 present positions correspondence, the second stopper section 352 can be grounded the operation of operating shaft 34 with backstop.When needing separating brake or connect
, it is necessary to which rotation process baffle plate 35, exposes isolated operation axle 32 or ground connection operating shaft 34, operating parts is inserted when ground is operated
Enter isolated operation axle 32 or be grounded in the axis hole of operating shaft 34 and carry out rotation process.
The lower end of operation baffle plate 35 is formed with suitable for backstop isolated operation axle or is grounded the 3rd stopper section 353 of operating shaft, the 3rd
Stopper section 353 is located between the first stopper section 351 and the second stopper section 352.Pivoted when operation baffle plate 35 is clockwise, the 3rd
Stopper section 353 can be moved to it is corresponding with the position of isolated operation axle 32 so that the operation to isolated operation axle 32 may be constructed
Backstop；When operation baffle plate 35 is pivoted counterclockwise, the 3rd stopper section 353 can be moved to operates shaft position corresponding with being grounded, from
And backstop can be constituted to the operation for being grounded operating shaft 34.
As shown in figure 3, when isolating three station operating mechanisms combined floodgate, three station direction boards of isolation may be at the first stopper section
351 tops, so as to constitute backstop to the first stopper section 351, prevent operation baffle plate 35 from pivoting clockwise, second stops
Stopper 352 may be at the position that backstop is grounded operating shaft 34, so that being grounded operation can not be carried out, realizes and isolates when closing a floodgate not
Ground connection operation can be carried out, interlock is realized, the safety in utilization of integral type spring operating mechanism is further improved.
When needing to carry out isolation separating brake, can pivot action baffle plate 35 counterclockwise, the second stopper section 352 can move to remote
Operating shaft 34 is grounded, but the 3rd stopper section 353 can be then moved at the position before the movement of the second stopper section 352, so as to dock
Ground operating shaft 34 continues to constitute backstop, forbids ground connection to operate, the first stopper section 351 can move to the 3rd stopper section 353 and move
At position before, so as to be contacted to the backstop action of isolated operation axle 32, operator can be carried out to isolated operation axle 32
Rotation, realizes sub-switching operation.After the completion of sub-switching operation, after operating parts is taken out out of isolated operation axle 32 axis hole, behaviour
Location can be recovered into Fig. 3 by making baffle plate 35.
Wherein, when isolating three station operating mechanism separating brakes, three station direction boards of isolation can under the drive of isolated operation axle 32
To be moved to the lower section of the first stopper section 351, so as to constitute backstop to the first stopper section 351, prevent operation baffle plate 35 from
Pivot, can only pivot clockwise counterclockwise.Now, when operating baffle plate 35 not rotate, the second stopper section 352 rests on this
Position continues to constitute backstop to ground connection operating shaft 32, and when operating baffle plate 35 to pivot clockwise, the 3rd stopper section 353 can
Operated with moving backstop isolated operation axle 32, the second stopper section 352 is then moved away from being grounded the position of operating shaft 34,
It is released from the backstop of ground connection operating shaft 34, ground connection operating shaft 34 can be pivoted, now, ground connection operation axis 29 is with isolating
The transmission of operation axis 27 is connected, it is possible to achieve the ground connection operation of isolation separating brake.The integral type spring operating mechanism of the structure is effective
Ground connection and the interlocking isolated are realized, and it is easy to operate, it is safe to use.
As shown in figure 3, operation baffle plate 35 can be formed as rounding off at triangular plate, three angles of triangular plate.Also
It is to say, operation baffle plate 35 is formed as the roughly triangular plate with arc angle, and the region where triangle angle forms three respectively
Individual stopper section, operation baffle plate 35 pivot can be turn 90 degrees clockwise under the drive of operation selection knob 33, can also be counterclockwise
Pivot is turn 90 degrees.The operation baffle plate of the structure is not only convenient for manufacture, and easy to assembly, and cost is relatively low.Alternatively, operation gear
Plate 35 can be integrally formed into arc, further to reduce cost and convenient installation.
As shown in figure 3, the backstop breach that three station direction boards 31 of isolation are formed with arc port and connected with arc port.Every
When being closed a floodgate from three station operating mechanisms, the first stopper section 351 can be located in arc port.Isolate three station direction boards 31
It is suitable to backstop operation baffle plate 35 when one stopper section 351 is moved to backstop breach to move.Thus, it is possible to which easily limitation operates baffle plate
35 pivot, and operation baffle plate 35 is kept to being grounded the backstop action of operating shaft 34, so that realizing can not enter when isolating and closing a floodgate
Row ground connection operation, restriction effect is good.
As shown in figure 3, switch interlock control unit can also include connecting plate 24 and baffle plate 25, one end of connecting plate 24 can
To be pivotly connected with switch indicator board 23, one end of baffle plate 25 can pivotly be connected with the other end of connecting plate 24,
Cabinet of the other end of baffle plate 25 pivotly with environmentally friendly gas switch cabinet is connected, and connecting plate 24 is hinged on switch indicator board 23
Between baffle plate 25.When vacuum switch operating mechanism closes a floodgate, baffle plate 25 is pivoted suitable for backstop isolated operation axle 32.
Thus, it is possible to realize that disconnecting switch can not be operated, and realize breaker and the connection of disconnecting switch when vacuum switch closes a floodgate
Lock function, safety in utilization is improved.When vacuum switch operating mechanism separating brake, switch indicator board 23 is pivoted, so as to drive gear
Plate 25 is pivoted, and baffle plate 25 can be moved to the position away from isolated operation axle 32, operating parts is inserted into isolated operation
In the axis hole of axle 32, so that isolated operation axle 32 can be pivoted, the combined floodgate of three station operating mechanisms of isolation is realized.
As shown in figure 1, according to some embodiments of the present invention, disconnecting switch control unit can include isolated operation main shaft 27,
Isolation and amplifier gear 5 and steering driving rack 4.Isolated operation main shaft 27 can be connected with isolated operation axle 32, with every
Pivoted under the drive of operating shaft 32.Isolation and amplifier gear 5 is connected with isolated operation main shaft 27, with isolated operation main shaft
Pivoted under 27 drive.Turn to driving rack 4 and engaged with isolation and amplifier gear 5 and is connected, turn to driving rack 4 with isolating three
Station operating mechanism is connected.Thus, it is possible to realize the work shape for isolating three station operating mechanisms by operation isolation operating shaft 32
The change of state, it is easy to operate and reliable.
Further, disconnecting switch control unit can also include limit shaft 26, and turning to can be provided with spacing on driving rack 4
Hole, limit shaft 26 can be located on cabinet, for example, can be located on the front panel of cabinet, limit shaft 26 is movably stretched
Enter in spacing hole, bearing of trend of the limit shaft 26 along spacing hole can activity.Thus, limit shaft 26 and spacing hole are passed through
Coordinate, mobile carry out that can be to turning to driving rack 4 is spacing, prevent that turn to driving rack 4 takes off with isolation and amplifier gear 5
From, it is ensured that the reliability of transmission, integral type spring operating mechanism operating reliability is more preferable.
As shown in figure 1, earthed switch control unit can include ground connection operation axis 29, clutch plate 17, ground connection clutch connecting lever
38th, expansion link 19 and ground spring 18.Ground connection operation axis 29 can be connected with ground connection operating shaft 34, to be grasped in ground connection
Make to pivot under the drive of axle 34.Clutch plate 17 is connected with ground connection operation axis 29, to be pivoted with ground connection operation axis 29.
Ground connection clutch connecting lever 38 is connected with isolated operation main shaft 27, to be pivoted with isolated operation main shaft 27；It is grounded clutch connecting lever 38
Provided with ground connection clutch roller bearing 28, one end of expansion link 19 is connected by fixing axle 30 with cabinet, for example, can be with cabinet
Front panel be connected, the other end and the clutch plate 17 of expansion link 19 are hinged, clutch plate 17 be provided be suitable to be grounded clutch turn
The clutch breach 39 that arm 38 coordinates, ground spring 18 is set on expansion link 19, and ground spring 18 is suitable to promote clutch plate
17 pivot, to drive ground connection clutch connecting lever 38 to pivot, so that isolation and amplifier gear 5 is pivoted, so as to drive steering to be driven
Rack 4 is moved, and is grounded operation.
That is, when isolating three station operating mechanism separating brakes, ground connection clutch connecting lever 38 can stretch into clutch plate 17 from
Close in breach 39, think that follow-up ground connection operation is prepared.Ground connection operating shaft 34 can by be grounded clutch connecting lever 38 with from
The transmission of plywood 17 is connected, and ground connection operating shaft 34 is realized that transmission is connected with isolated operation axle 32.When ground connection operation axis
During 29 pivot, ground spring 18 can be crossed dead point in ground spring 18 and quickly driven clutch plate 17 to pivot with accumulation of energy, so that
Drive ground connection clutch connecting lever 38 to pivot, and then pivot ground connection operating shaft 34, further move steering driving rack 4,
Ground connection moving contact is contacted with grounding static contact, be grounded operation.When isolate three-station be in close a floodgate when, be grounded from
Breach will not be stretched into by closing connecting lever 38, so that ground connection operating shaft 34 is in isloation state with isolated operation axle 32, two no longer pass
Dynamic to be connected, integral type spring operating mechanism can realize that being smoothly grounded and isolate separating brake and isolation closes a floodgate.
Alternatively, according to some embodiments of the present invention, clutch plate 17 is suitable to only be against in earthed switch operating mechanism separating brake
In the cabinet door of environmentally friendly gas switch cabinet, and it is located at when earthed switch operating mechanism closes a floodgate above cabinet door.Thus, ground connection is worked as
During switch mechanism separating brake, clutch plate 17 can be opened with backstop cabinet door, i.e. switch cubicle is when unearthed, and cabinet door can not be opened.
When earthed switch operating mechanism closes a floodgate, clutch plate 17 can be located at the top of cabinet door, so that backstop no longer is constituted to cabinet door,
Switch cubicle is set to realize the opening of cabinet door in ground connection, and when cabinet door is opened, cabinet door can also be constituted to clutch plate 17
Backstop, makes ground connection operation to carry out.Thus, it is possible to realize cabinet door and the interlock of ground connection, integral type operating machine of the spring
Structure security reliability is high.
As depicted in figs. 1 and 2, vacuum switch control function unit is main by control cam 6, output toggle arm 7, back-up roller wheel
8th, live roller 9, pallet 10, combined floodgate keep connecting lever 11, floodgate semiaxis 12, combined floodgate connecting lever return spring 13, energy storage pallet
Return spring 14, energy storage pallet 15, energy storage semiaxis 16, energy-stored spring 20, energy storage semiaxis return spring 21, floodgate semiaxis reset
Spring 22, camshaft 36, pallet support shaft 37 etc. are constituted.
The vacuum switch control function unit can be by controlling the mechanism parts such as cam 6, by the energy transmission of energy-stored spring 20
To output toggle arm 7, realize that breaker (on-load switch) closes a floodgate.Meanwhile, by parts such as floodgate semiaxis 12, pallets 10,
The holding that switch closes a floodgate can be realized.By parts such as tripping springs, receive after separating brake instruction, the upset of floodgate semiaxis 12 is realized
Breaker (or on-load switch) separating brake, completes the divide-shut brake step switch of breaker (or on-load switch).The structure design
Rationally, simple in construction clearly to divide, close a floodgate reliable, performance stabilization is easy for installation, and daily without maintenance, service life is long.
Fit key can be provided with camshaft 36, switch interlock control unit is connected by fit key with camshaft 36.Thus,
Connecting link can be reduced, makes more compact structure, is driven more reliable；Close a floodgate and keep connecting lever 11 to share one with energy storage pallet 15
Individual support shaft, i.e. combined floodgate support arm are set in pallet support shaft 37 with energy storage pallet and pivoted.Thus, it is possible to make integral type bullet
The structure of spring operating mechanism is more compact.
Integral type spring operating mechanism according to embodiments of the present invention is mainly wrapped to the operation element principle of environmentally friendly gas switch cabinet
Include the control to environmentally friendly gas switch cabinet breaker (or on-load switch), realize breaker (or on-load switch) division and
Keep the state of division.Control to the station operating mechanism of isolation three of environmentally friendly gas switch cabinet, realize disconnecting switch point,
Close and ground connection.In addition, can also realize breaker (or on-load switch) and disconnecting switch；Disconnecting switch and earthed switch；
Reciprocal interlocking between earthed switch and cable chamber door, has environmentally friendly gas all insulation, hermetically sealed miniaturization switch cubicle perfect
" five anti-interlocks ", the operating mechanism integrated design, compact conformation is affected by the external environment small, for manufacture structure
Compact, small volume, operation expense be low, is not influenceed by running environment, can significantly reduce the environmental protection of electric power facility investment
The full-insulated full-sealed miniaturization switch cubicle of gas, which is provided, to be ensured.
Other of integral type spring operating mechanism according to embodiments of the present invention are constituted and operated for the common of this area
It is knowable for technical staff, is not described in detail herein.
In the description of the invention, it is to be understood that term " " center ", " on ", " under ", "front", "rear", " left side ",
The side of instructions such as " right sides ", " vertical ", " level ", " top ", " bottom ", " interior ", " outer ", " clockwise " and " counterclockwise "
Position or position relationship are, based on orientation shown in the drawings or position relationship, to be for only for ease of the description present invention and simplify description,
Rather than indicate or imply that signified device or element must have specific orientation, with specific azimuth configuration and operation, because
This is not considered as limiting the invention.
In addition, term " first ", " second " are only used for describing purpose, and it is not intended that indicating or implying relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, " first " is defined, the feature of " second " can be expressed
Or implicitly include at least one this feature.In the description of the invention, " multiple " are meant that at least two, such as two
It is individual, three etc., unless otherwise specifically defined.
In the present invention, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " fixation "
It should be interpreted broadly Deng term, for example, it may be fixedly connected or be detachably connected, or integrally；Can be
Mechanically connect or electrically connect or can communicate each other；Can be joined directly together, the indirect phase of intermediary can also be passed through
Even, can be two element internals connection or two elements interaction relationship, unless otherwise clear and definite restriction.For
For one of ordinary skill in the art, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
In the present invention, unless otherwise clearly defined and limited, fisrt feature can "above" or "below" second feature
To be that the first and second features are directly contacted, or the first and second features pass through intermediary mediate contact.Moreover, the
One feature second feature " on " or " top " can be fisrt feature directly over second feature or oblique upper,
Or fisrt feature level height is merely representative of higher than second feature.
In the description of this specification, reference term " embodiment ", " specific embodiment ", " example " or " specific example "
Deng description mean to combine specific features, structure, material or feature that the embodiment or example describe and be contained in the present invention's
In at least one embodiment or example.In this manual, the schematic representation of above-mentioned term is necessarily directed to identical
Embodiment or example.Moreover, specific features, structure, material or the feature of description can be in any one or more implementations
Combined in an appropriate manner in example or example.In addition, in the case of not conflicting, those skilled in the art can be by
The feature of not be the same as Example or example and non-be the same as Example or example described in this specification is combined and combined.
Although embodiments of the invention have been shown and described above, it is to be understood that above-described embodiment be it is exemplary,
It is not considered as limiting the invention, one of ordinary skill in the art within the scope of the invention can be to above-described embodiment
It is changed, changes, replacing and modification.
Claims (11)
1. a kind of environmentally friendly gas switch cabinet integral type spring operating mechanism, it is characterised in that the integral type operating machine of the spring
Structure is connected with the switch mechanism of environmentally friendly gas switch cabinet, the switch mechanism including vacuum switch operating mechanism, every
Leave in pass operating mechanism and earthed switch operating mechanism, the cabinet of the environmentally friendly gas switch cabinet and be provided with clamping plate type mechanism, institute
Stating integral type spring operating mechanism includes：
Vacuum switch control unit, the vacuum switch control unit is located in the cabinet and is located in the clamping plate type mechanism,
The vacuum switch control unit is connected with vacuum switch operating mechanism, to control the divide-shut brake of the vacuum switch operating mechanism,
The vacuum switch operating mechanism is spring mechanism；
Disconnecting switch control unit, the disconnecting switch control unit is located in the cabinet and is located in the clamping plate type mechanism,
The disconnecting switch control unit is connected with the disconnecting switch operating mechanism, to control point of the disconnecting switch operating mechanism
Close a floodgate；
Earthed switch control unit, the earthed switch operating unit is located in the cabinet and is located in the clamping plate type mechanism,
The earthed switch control unit is connected with the earthed switch operating mechanism, to control point of the earthed switch operating mechanism
Close a floodgate；
Switch interlock control unit, the switch interlock control unit is located on the front panel of the cabinet, and the switch is chain
Control unit and the vacuum switch control unit, the disconnecting switch control unit and the earthed switch control unit phase
Even, to control the vacuum switch control unit, disconnecting switch control unit and earthed switch control unit to work and indicate
The working condition of the switch mechanism.
2. integral type spring operating mechanism according to claim 1, it is characterised in that the earthed switch operating mechanism
With the disconnecting switch operating mechanism be integrated into ground connection, separating brake and and close a floodgate three stations isolate three station operating mechanisms.
3. integral type spring operating mechanism according to claim 2, it is characterised in that the switch interlock control unit
Including：
Indicator board is switched, the switch indicator board is connected with the vacuum switch control unit, to be controlled in the vacuum switch
The working condition of the vacuum switch operating mechanism is moved and indicated under the drive of unit；
Isolated operation axle, the isolated operation axle is connected with the disconnecting switch control unit；
Isolate three station direction boards, the station direction board of isolation three is connected with the isolated operation axle, to be grasped with the isolation
Make the working condition that axle pivots and indicates three station operating mechanisms of the isolation；
Operating shaft is grounded, the ground connection operating shaft is connected with the earthed switch control unit, the ground connection operating shaft is described
It is connected when isolating three station operating mechanism separating brakes with isolated operation axle transmission and is closed a floodgate in three station operating mechanisms of isolating
When separated with the isolated operation axle.
4. integral type spring operating mechanism according to claim 3, it is characterised in that the switch interlock control unit
Also include：Operation selection knob and operation baffle plate, the operation baffle plate is often in ground connection operating shaft and the isolation described in backstop
The position of operating shaft operation, the operation selection knob is connected with the operation baffle plate, to drive the operation baffle plate to pivot,
The ground connection operating shaft or the isolated operation axle is set to release backstop.
5. integral type spring operating mechanism according to claim 4, it is characterised in that the operation baffle plate is often along level
Direction extends and two ends are respectively formed with suitable for the first stopper section of isolated operation axle described in backstop and suitable for being grounded behaviour described in backstop
Make the second stopper section of axle, the lower end of the operation baffle plate is formed with suitable for isolated operation axle described in backstop or ground connection operation
3rd stopper section of axle, the 3rd stopper section is located between first stopper section and second stopper section, the isolation
Three station direction boards are when three station operating mechanisms of the isolation close a floodgate above first stopper section and in the isolation three
During station operating mechanism separating brake below first stopper section.
6. integral type spring operating mechanism according to claim 5, it is characterised in that the station direction board of isolation three
Arc port and the backstop breach connected with the arc port are formed with, first stopper section is in the isolation three stations work
It is located at when mechanism closes a floodgate in the arc port, three station direction boards of the isolation are moved to the backstop in first stopper section
It is suitable to operation baffle plate rotation described in backstop during breach.
7. the integral type spring operating mechanism according to any one of claim 3-6, it is characterised in that the switch connection
Lock control unit also includes：
Connecting plate, one end of the connecting plate is pivotly connected with the switch indicator board；
Baffle plate, one end of the baffle plate is pivotly connected with the other end of the connecting plate, and the other end of the baffle plate can pivot
Turn ground with the cabinet to be connected, the baffle plate is suitable to isolated operation axle described in backstop when the vacuum switch operating mechanism closes a floodgate
Pivot.
8. the integral type spring operating mechanism according to any one of claim 3-7, it is characterised in that described to keep apart
Closing control unit includes：
Isolated operation main shaft, the isolated operation main shaft is connected with the isolated operation axle, with the band of the isolated operation axle
Dynamic lower pivot；
Isolation and amplifier gear, the isolation and amplifier gear is pivoted under the drive of the isolated operation main shaft；
Driving rack is turned to, the steering driving rack is connected with isolation and amplifier gear engagement and isolates three stations with described
Operating mechanism is connected.
9. integral type spring operating mechanism according to claim 8, it is characterised in that the disconnecting switch control unit
Also include limit shaft, the steering driving rack is provided with spacing hole, and the limit shaft is located on the cabinet and movably
Stretch into the spacing hole.
10. integral type spring operating mechanism according to claim 8, it is characterised in that the earthed switch control is single
Member includes：
Operation axis is grounded, the ground connection operation axis is connected with the ground connection operating shaft, with the band of the ground connection operating shaft
Dynamic lower pivot；
Clutch plate, the clutch plate is connected with the ground connection operation axis, to be pivoted with the ground connection operation axis；
Clutch connecting lever is grounded, the ground connection clutch connecting lever is connected with the isolated operation main shaft, with the isolated operation main shaft
Pivot, the ground connection clutch connecting lever is provided with ground connection clutch roller bearing；
Expansion link, one end of the expansion link is connected by fixing axle with cabinet, the other end of the expansion link and the clutch
Plate is hinged, and the clutch plate is provided with the clutch breach for being suitable to coordinate with the ground connection clutch connecting lever；
Ground spring, the ground spring is set on the expansion link, and the ground spring is suitable to promote the clutch plate pivot
Turn, to drive the ground connection clutch connecting lever to pivot and move the steering driving rack.
11. integral type spring operating mechanism according to claim 10, it is characterised in that the clutch plate connects described
Suitable for being only against in the cabinet door of the environmentally friendly gas switch cabinet and in the earthed switch working machine during ground switch mechanism separating brake
It is located at when structure closes a floodgate above the cabinet door.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610046301.7A CN106997825B (en) | 2016-01-22 | 2016-01-22 | Environmentally friendly gas switch cabinet integral type spring operating mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610046301.7A CN106997825B (en) | 2016-01-22 | 2016-01-22 | Environmentally friendly gas switch cabinet integral type spring operating mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106997825A true CN106997825A (en) | 2017-08-01 |
| CN106997825B CN106997825B (en) | 2019-11-19 |
Family
ID=59428910
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610046301.7A Active CN106997825B (en) | 2016-01-22 | 2016-01-22 | Environmentally friendly gas switch cabinet integral type spring operating mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106997825B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107316775A (en) * | 2017-08-23 | 2017-11-03 | 珠海鼎冠电气有限公司 | A kind of inlet wire spring operating mechanism of ring main unit |
| CN107665783A (en) * | 2017-11-20 | 2018-02-06 | 北京合纵科技股份有限公司 | Lower isolation ring main unit interlock |
| CN111341605A (en) * | 2018-12-18 | 2020-06-26 | 天津平高智能电气有限公司 | Circuit breaker and operating mechanism thereof |
| CN114512355A (en) * | 2022-02-15 | 2022-05-17 | 湖南长高成套电器有限公司 | Three-station operating mechanism of environment-friendly gas insulation ring main unit |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0058585A1 (en) * | 1981-02-13 | 1982-08-25 | Merlin Gerin | Operating mechanism for electrical switching apparatuses with three separate positions |
| JPH09180594A (en) * | 1995-12-25 | 1997-07-11 | Meidensha Corp | Switchgear |
| CN202230913U (en) * | 2011-10-26 | 2012-05-23 | 江苏华唐电器有限公司 | Mechanical interlocking device between vacuum switch mechanism and three-station isolation switch mechanism |
| CN104091702A (en) * | 2014-06-10 | 2014-10-08 | 沈阳昊诚电气股份有限公司 | Outdoor side-installed type spring operation mechanism |
| CN105070550A (en) * | 2015-07-20 | 2015-11-18 | 江苏华唐电器有限公司 | Solid insulation cabinet operating mechanism |
| CN205542557U (en) * | 2016-01-22 | 2016-08-31 | 沈阳昊诚电气有限公司 | Environmental protection gas switch is integral type spring -operated mechanism for cabinet |
-
2016
- 2016-01-22 CN CN201610046301.7A patent/CN106997825B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0058585A1 (en) * | 1981-02-13 | 1982-08-25 | Merlin Gerin | Operating mechanism for electrical switching apparatuses with three separate positions |
| JPH09180594A (en) * | 1995-12-25 | 1997-07-11 | Meidensha Corp | Switchgear |
| CN202230913U (en) * | 2011-10-26 | 2012-05-23 | 江苏华唐电器有限公司 | Mechanical interlocking device between vacuum switch mechanism and three-station isolation switch mechanism |
| CN104091702A (en) * | 2014-06-10 | 2014-10-08 | 沈阳昊诚电气股份有限公司 | Outdoor side-installed type spring operation mechanism |
| CN105070550A (en) * | 2015-07-20 | 2015-11-18 | 江苏华唐电器有限公司 | Solid insulation cabinet operating mechanism |
| CN205542557U (en) * | 2016-01-22 | 2016-08-31 | 沈阳昊诚电气有限公司 | Environmental protection gas switch is integral type spring -operated mechanism for cabinet |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107316775A (en) * | 2017-08-23 | 2017-11-03 | 珠海鼎冠电气有限公司 | A kind of inlet wire spring operating mechanism of ring main unit |
| CN107665783A (en) * | 2017-11-20 | 2018-02-06 | 北京合纵科技股份有限公司 | Lower isolation ring main unit interlock |
| CN111341605A (en) * | 2018-12-18 | 2020-06-26 | 天津平高智能电气有限公司 | Circuit breaker and operating mechanism thereof |
| CN111341605B (en) * | 2018-12-18 | 2021-12-31 | 天津平高智能电气有限公司 | Circuit breaker and operating mechanism thereof |
| CN114512355A (en) * | 2022-02-15 | 2022-05-17 | 湖南长高成套电器有限公司 | Three-station operating mechanism of environment-friendly gas insulation ring main unit |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106997825B (en) | 2019-11-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106997825A (en) | Environmentally friendly gas switch cabinet integral type spring operating mechanism | |
| CN205542557U (en) | Environmental protection gas switch is integral type spring -operated mechanism for cabinet | |
| CN208538721U (en) | The lower anti-interlock of breaker five is isolated with tight play in switchgear in type | |
| CN203589571U (en) | High-voltage switch cabinet with modular operating mechanism | |
| CN202353077U (en) | Ring main unit and interlocking device thereof | |
| CN105742091B (en) | Five-prevention interlocking operation mechanism of switch cabinet | |
| CN105551873B (en) | A kind of switch cubicle, tri-station isolating switch mechanism and its interlock | |
| CN111508788A (en) | Split type interlocking mechanism of gas charging cabinet | |
| CN108630483B (en) | Five-prevention interlocking operating mechanism of medium-high voltage switch cabinet | |
| CN104319164A (en) | Vacuum load switch | |
| CN104319163B (en) | A kind of vacuum circuit breaker | |
| CN214378106U (en) | Wall interlocking structure of looped netowrk cabinet | |
| CN202534578U (en) | Switch cabinet isolating switch and grounding switch interlocking device | |
| CN102243927A (en) | Operating mechanism of high-voltage switch cabinet | |
| CN205354916U (en) | Isolator and vacuum switch integration operating device | |
| CN204155827U (en) | A kind of vacuum load switch | |
| CN204155828U (en) | A kind of vacuum circuit-breaker | |
| CN209487386U (en) | A kind of three station isolated operation mechanism of gas-filling cabinet | |
| CN203351457U (en) | Interlocking mechanism among isolating switch, vacuum circuit breaker and cabinet door | |
| CN204792589U (en) | High -voltage board operation interlocking device | |
| CN111508787A (en) | Integrated interlocking mechanism of gas charging cabinet | |
| CN203596287U (en) | Novel gear-drive dual-operation-hole isolation mechanism | |
| CN104319132A (en) | Switching cabinet operating mechanism | |
| CN210865978U (en) | Interlocking device of circuit breaker mechanism and three-station operating mechanism | |
| CN103346482A (en) | Switch cabinet |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |