CN106783263A - Divide-shut brake buffer unit and the Fast mechanical switch using the device - Google Patents
Divide-shut brake buffer unit and the Fast mechanical switch using the device Download PDFInfo
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- CN106783263A CN106783263A CN201611169885.3A CN201611169885A CN106783263A CN 106783263 A CN106783263 A CN 106783263A CN 201611169885 A CN201611169885 A CN 201611169885A CN 106783263 A CN106783263 A CN 106783263A
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- lower carriage
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- 238000003780 insertion Methods 0.000 claims description 5
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- 238000012423 maintenance Methods 0.000 abstract description 4
- 238000005299 abrasion Methods 0.000 abstract description 3
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 19
- 229910000831 Steel Inorganic materials 0.000 description 14
- 239000010959 steel Substances 0.000 description 14
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 11
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- 239000004411 aluminium Substances 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
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- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
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- 230000008569 process Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 239000004593 Epoxy Substances 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- QZLJNVMRJXHARQ-UHFFFAOYSA-N [Zr].[Cr].[Cu] Chemical group [Zr].[Cr].[Cu] QZLJNVMRJXHARQ-UHFFFAOYSA-N 0.000 description 1
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/60—Mechanical arrangements for preventing or damping vibration or shock
- H01H3/605—Mechanical arrangements for preventing or damping vibration or shock making use of a fluid damper
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- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The present invention relates to divide-shut brake buffer unit and the Fast mechanical switch using the device.Wherein divide-shut brake buffer unit includes device frame, bolster and the buffer limit seat being fixedly connected for the connecting rod with Fast mechanical switch, the buffer limit seat includes the pushing part coordinated with the shock end of bolster and the drive connection portion being fixedly connected for the connecting rod with mechanical switch, the drive connection portion be arranged on the outside of device frame and with the pushing part along bolster buffering deformation direction interval setting, transmission arm is connected between the drive connection portion and pushing part, the transmission arm is located at the outside of bolster, above-mentioned buffer unit structure is simple, it is easy to be processed respectively and assemble, complicated guiding matching relationship is not needed, be not in abrasion and guiding accuracy problem, advantageously reduce frequency of maintenance.
Description
Technical field
The present invention relates to divide-shut brake buffer unit and the Fast mechanical switch using the device.
Background technology
Modern switchgear can shorten failure and continue as the crucial control of power system and protection equipment, fast operating
Time, fast recovery of power supply can significantly improve the stability of a system and switch folding performance, with significant Technological Economy meaning.
Conventional switching devices, such as VS1 types 10kV vacuum circuit breakers, using spring operating mechanism, separating brake Shi Jian≤50ms, combined floodgate Shi Jian≤
70ms, because mechanical operating mechanism is bulky, complex structure, transmission link is more, and the shortening of actuation time is very limited,
In some special application fields, use demand can not be fully met.Such as closed a floodgate in fault current limitation field, option and led
Quickly excision etc. is required for switching quick acting short trouble in domain, power quality field, straight-flow system, generally all in several ms
Interior completion, ordinary tap cannot be completed, it is necessary to develop Fast mechanical switch product.
For the exploitation of Fast mechanical switch product, more mainly vacuum Fast mechanical switch is studied both at home and abroad.State
It is outer mainly to have Japan, Germany and U.S. etc., occurred in that on the publications of FJD in 1993 based on electromagnetic repulsion force behaviour
The research report of the Fast mechanical switch of motivation structure, nineteen ninety-five, MIT utilized vacuum interrupter, bi-directional electromagnetic repulsion
The Quick mechanical that operating mechanism, the disc spring that can turn upside down bistable mechanism and state dish spring device mechanism develop 6kV, 15kV and 24kV is opened
Product is closed, the Fast mechanical switch of its 24kV-1200A/20kA, opening time is 1ms, and closing time is 10ms, can be one
Fault current is cut-off within individual cycle.In follow-up research, MIT compares different electromagnetism by analysis of experiments
Repulsion operating mechanism（Coil is to metal dish and coil-to-coil formula）Energy conversion efficiency, result of study shows coil-to-coil
Formula electromagnetic repulsion force operating mechanism possesses energy conversion efficiency higher compared to coil to metal dish repulsion operating mechanism, but simultaneously
Mechanical strength to moving coil proposes requirement higher.In addition, MIT is also using the quick machine developed
Tool has carried out the research work of the aspects such as fault current limiter, solid conversion switch.In recent years, the country also had unit to carry out
The applied basic research work of Fast mechanical switch technology, realizes divide-shut brake speed higher and realizes linked network trial operation.
But, because existing Fast mechanical switch divide-shut brake speed is higher, therefore the coil of repulsion operating mechanism, permanent magnet, dynamic iron
Moving conductive rod, dynamic/static contact of core and vacuum circuit breaker etc. are required for bearing higher impact force, while easily causing conjunction
Lock bounces and separating brake bounce-back, have impact on the service life and stability of breaker.
For above mentioned problem, Authorization Notice No. surpasses for the Chinese patent of the B of CN 101510475 discloses a kind of high-voltage switch gear
Quick operating mechanism, including permanent magnetism holds an auxiliary drive and stored energy buffering device, and permanent magnetism holds the dynamic of an auxiliary drive
One end of iron core push rod is connected with the tubular type push rod of stored energy buffering device, and the dynamic iron core push rod of an auxiliary drive is held in permanent magnetism
The other end on be connected with electromagnetic eddy repulsion main drive, form repulsion operating mechanism.Electromagnetic eddy repulsion is main to drive dress
Put for for switch manipulation provides initial manipulation force；Permanent magnetism holds an auxiliary drive for moving to a positioning in switch contact
Offer stable and reliable power is provided, and makes switch movable contact holding position after switch motion terminates, it includes dynamic iron core, move iron
The axial direction of core is respectively fixed at two ends with dynamic iron core push rod and tubular type push rod, and dynamic iron core push rod is connecting rod, for electromagnetic eddy
Repulsion main drive insulation push rod connection, tubular type push rod as connecting rod, for being connected with stored energy buffering device.Buffering storage
Energy device is used to reduce the impact during operating mechanism is manipulated to mechanism shell and switch contact, while by energy with spring energy
Form storage in case again switch manipulation be used.Specifically, stored energy buffering device is included as the shell of device frame, in shell
Guiding plug and tubular type push rod are inside provided with, spring base are provided with tubular type push rod and spring base is located in shell, on spring base
It is provided with and is oriented to the first pilot hole that plug is engaged, the second guiding being engaged with tubular type push rod is provided with the top of shell
Hole, the tubular type push rod is extended to outside shell by the second pilot hole on shell, is set between spring base and cover top portion
There is combined floodgate buffering accumulated energy spring and combined floodgate buffering accumulated energy spring is set on tubular type push rod, set between spring base and outer casing bottom
There is splitting lock cushioning energy-stored spring and splitting lock cushioning energy-stored spring is set on guiding plug.Above-mentioned combined floodgate buffering accumulated energy spring and point
Lock buffering accumulated energy spring is bolster, and combined floodgate bolster and splitting lock cushioning part are formed respectively, and spring base forms buffer limit seat,
One end that combined floodgate buffering accumulated energy spring and splitting lock cushioning energy-stored spring are used to coordinate with buffer limit seat forms shock end.
But, existing buffer unit needs to set and is oriented to plug and tubular type push rod, in addition it is also necessary on spring base and shell
Pilot hole is set, and complex structure, difficulty of processing is big, easily occurs the problem that abrasion and guiding accuracy decline during use, need
Frequent maintenance is wanted, it is relatively costly.In addition, when spring base is to separating brake side or combined floodgate lateral movement, combined floodgate buffering accumulated energy spring and separating brake
Buffering accumulated energy spring will be unable to the support stablized, easily crooked or spring, influence reliability.
The content of the invention
It is an object of the invention to provide a kind of divide-shut brake buffer unit, answered with solving buffer unit structure of the prior art
Problem that is miscellaneous, needing frequent maintenance.Meanwhile, opened present invention also offers a kind of Quick mechanical using the divide-shut brake buffer unit
Close.
To achieve the above object, the technical scheme that uses is in the present invention：Divide-shut brake buffer unit, including it is device frame, slow
Stamping and the buffer limit seat being fixedly connected for the connecting rod with Fast mechanical switch, the buffer limit seat include and buffering
The pushing part of the shock end cooperation of part and the drive connection portion being fixedly connected for the connecting rod with mechanical switch, the transmission connect
Socket part be arranged on the outside of device frame and with the pushing part along bolster buffering deformation direction interval setting, the transmission connects
Transmission arm is connected between socket part and pushing part, the transmission arm is located at the outside of bolster.
The bolster includes the shock end phase of combined floodgate bolster and splitting lock cushioning part, combined floodgate bolster and splitting lock cushioning part
To setting, the pushing part is arranged between combined floodgate bolster and the shock end of splitting lock cushioning part.
Described device frame includes the upper bracket and lower carriage that are stacked, and the upper bracket and lower carriage are opening down
U-frame frame, the top open part on upper bracket and lower carriage in U-shaped be provided with it is outer turn edge, upper bracket is fixed on by outer turning edge
On upper bracket, combined floodgate bolster and splitting lock cushioning part are separately fixed at upper bracket and lower carriage position corresponding with the bottom of U-shaped.
The bolster is buffer oil cylinder, and the upper bracket and lower carriage position corresponding with the bottom of U-shaped are provided with confession
The mounting hole of buffer oil cylinder insertion, the mounting hole is elongated hole, and two are threaded with the outer peripheral face of each buffer oil cylinder
Adjusting nut is simultaneously fixedly clamped on corresponding upper bracket or lower carriage by two adjusting nuts.
The buffer limit seat is frame structure, and the pushing part, drive connection portion and transmission arm are respectively by frame structure
Bottom transverse frame, the horizontal frame in top and side frame formed.
Fast mechanical switch, including repulsion operating mechanism and divide-shut brake buffer unit, divide-shut brake buffer unit include device
Frame, bolster and the buffer limit seat being fixedly connected with the connecting rod of repulsion operating mechanism, the buffer limit seat include and delay
The pushing part of the shock end cooperation of stamping and the drive connection portion being fixedly connected with the connecting rod of repulsion operating mechanism, the transmission
Connecting portion be arranged on the outside of device frame and with the pushing part along bolster buffering deformation direction interval setting, the transmission
Transmission arm is connected between connecting portion and pushing part, the transmission arm is located at the outside of bolster.
The bolster includes the shock end phase of combined floodgate bolster and splitting lock cushioning part, combined floodgate bolster and splitting lock cushioning part
To setting, the pushing part is arranged between combined floodgate bolster and the shock end of splitting lock cushioning part.
Described device frame includes the upper bracket and lower carriage that are stacked, and the upper bracket and lower carriage are opening down
U-frame frame, the top open part on upper bracket and lower carriage in U-shaped be provided with it is outer turn edge, upper bracket is fixed on by outer turning edge
On upper bracket, combined floodgate bolster and splitting lock cushioning part are separately fixed at upper bracket and lower carriage position corresponding with the bottom of U-shaped.
The bolster is buffer oil cylinder, and the upper bracket and lower carriage position corresponding with the bottom of U-shaped are provided with confession
The mounting hole of buffer oil cylinder insertion, the mounting hole is elongated hole, and two are threaded with the outer peripheral face of each buffer oil cylinder
Adjusting nut is simultaneously fixedly clamped on corresponding upper bracket or lower carriage by two adjusting nuts.
The buffer limit seat is frame structure, and the pushing part, drive connection portion and transmission arm are respectively by frame structure
Bottom transverse frame, the horizontal frame in top and side frame formed.
Beneficial effect：The present invention uses above-mentioned technical proposal, and the buffer limit seat of divide-shut brake buffer unit includes and buffering
The pushing part of the shock end cooperation of part and the drive connection portion being fixedly connected for the connecting rod with mechanical switch, the transmission connect
Socket part be arranged on the outside of device frame and with the pushing part along bolster buffering deformation direction interval setting, the transmission connects
Transmission arm is connected between socket part and pushing part, the transmission arm is located at the outside of bolster, by setting transmission arm, can make
Pushing part and drive connection portion form connection from bolster outside, and buffer limit seat will not form internal engagement, tie with bolster
Structure is simple, is easy to be processed respectively and assemble, it is not necessary to complicated guiding matching relationship, is not in abrasion and guiding accuracy
Problem, advantageously reduces frequency of maintenance.
Further, the bolster includes combined floodgate bolster and splitting lock cushioning part, combined floodgate bolster and splitting lock cushioning part
Shock end be oppositely arranged, the pushing part is arranged between combined floodgate bolster and the shock end of splitting lock cushioning part, so can
Separating brake and the buffering closed a floodgate are realized, is conducive to improving service life.
Further, described device frame includes the upper bracket and lower carriage that are stacked, and the upper bracket and lower carriage are equal
It is downward opening U-frame frame, the top open part on upper bracket and lower carriage in U-shaped is provided with and turns edge outward, and upper bracket is by outer
Turn edge and be fixed on upper bracket, combined floodgate bolster and splitting lock cushioning part are separately fixed at the bottom with U-shaped of upper bracket and lower carriage
The corresponding position in portion, upper bracket and lower carriage are easy to manufacture, easy to assembly, Stability Analysis of Structures using the U-frame frame for interfixing.
Further, the bolster is buffer oil cylinder, and the bottom of the upper bracket and lower carriage is provided with and supplies buffer
The mounting hole of oil cylinder insertion, the mounting hole is elongated hole, and two regulations are threaded with the outer peripheral face of each buffer oil cylinder
Nut is simultaneously fixedly clamped on corresponding upper bracket or lower carriage by two adjusting nuts；Can be avoided using buffer oil cylinder
It is the spring spring that occurs during using buffer spring, crooked, it is ensured that reliable buffering, buffer oil cylinder is clamped by two adjusting nuts
It is fixed, it is easy to adjust the upper-lower position of buffer, mounting hole to be easy to adjust the horizontal level of buffer using elongated hole, consequently facilitating
Realize the debugging of buffer.Preferably, buffer oil cylinder uses the adjustable buffer of damping, in order to be adjusted to buffering effect
It is whole, it is allowed to adapt to breaker demand.
Brief description of the drawings
Fig. 1 is the overall structure diagram of Fast mechanical switch in the present invention；
Fig. 2 is the stereogram of divide-shut brake buffer unit in Fig. 1；
Fig. 3 is the front view of Fig. 2；
Fig. 4 is the side view of Fig. 3；
Fig. 5 is the structural representation of pole in Fig. 1；
Fig. 6 is the structural representation of the moving contact of vacuum interrupter；
Fig. 7 is the structural representation of moving contact body in Fig. 6；
Fig. 8 is the structural representation of steel nail in Fig. 6；
Fig. 9 is the structural representation of insulation pull rod piecing in Fig. 6；
Figure 10 is the structural representation of repulsion operating mechanism in Fig. 1；
Figure 11 is the schematic diagram of the controller module of Fast mechanical switch.
Each reference is corresponding entitled in figure：10- mechanism cases, 11- channel-section steels, 12- rigid supports, 20- poles,
21- vacuum interrupters, 22- moving contacts, 221- moving contact bodies, 222- blind holes, 223- steel nails, 224- heads, 225- bar portions,
226- insulation pull rod piecings, the upper wire outlet seats of 23-, wire outlet seat under 24-, 25- insulated tension poles, 30- repulsion operating mechanisms, 31- separating brakes
Side cover plate, 32- separating brake cover plate copper sheathings, 33- iron cores, 34- connecting rods, 35- combined floodgate side cover plates, 36- permanent magnetism housings, 37- magnetic guiding loops,
38- studdles, 39- permanent magnets, 310- repulsion connecting rods, 311- closing coils, 312- combined floodgate cover plate copper sheathings, the dynamic repulsion lines of 313-
Circle disk, 314- take-off levers, 315- repulsion housings, the quiet repulsion coil disks of 316-, 317- repulsion upper cover plates, 318- upper cover plate copper sheathings,
319- spring bases, 320- separating brakes side, 40- divide-shut brake buffer units, 41- upper brackets, 42- lower carriages, 43- is turned edge, and 44- bufferings are hit
Frame, 441- bottom transverse frames, the horizontal frame in 442- tops, 443- side frames, 45- buffer oil cylinders, 451- shocks end, 46- adjusting nuts,
47- connecting holes.
Specific embodiment
Embodiments of the present invention are described further below in conjunction with the accompanying drawings.
One embodiment of Fast mechanical switch is as shown in Fig. 1 ~ Figure 11 in the present invention, including mechanism case 10, mechanism case 10
Top outer be equipped with pole 20, is provided with repulsion operating mechanism 30 and divide-shut brake buffer unit 40 in mechanism case 10.
Mechanism case 10 strengthens its rigidity using embedded angle bar frame, for supporting three mutual expelling forces of three-phase solid-sealed pole and suspension
Operating mechanism 30, whole machine is simple and compact.Channel-section steel 11 is installed in the bottom of mechanism case 10, and channel-section steel 11 uses foundation bolt and ground phase
Even；The front door of mechanism case 10 is provided with each phase divide-shut brake position indicator and indicates the stroke of divide-shut brake present position to indicate
Device, realizes that switch on/off switch position instruction and switch over travel data are measured in real time；Opening and closing state is measured by proximity switch to be believed
Number, it is displaced through displacement sensor.10 4 jiaos of installation suspension ring of mechanism case, convenient lifting；The side loader structure of mechanism case 10
Case spiracle, for realizing that mechanism case is externally ventilated when the front/rear door of mechanism case 10 is closed.
Pole 20 employs automatic pressure gelation process（APG for short）Epoxy casting technology, by upper wire outlet seat 23,
Vacuum interrupter 21, it is flexible coupling（The product needed conducting block and spring touch finger of high current）And lower wire outlet seat 24 is poured into a mould together,
And needed to add fin according to radiating.The application of pole technology, makes vacuum interrupter 21 from extraneous adverse circumstances（Ash
Dirt, moisture etc.）Influence, improve its against weather and insulation effect.Upper wire outlet seat 23, lower wire outlet seat 24 are copper casting or aluminium
Casting, the different choice different materials according to rated current, contact arm mounting hole is respectively arranged with steel-wire screw-socket, improves screw strength；It is soft
Copper sheet compacting is connected as, is conducted electricity very well；For high current product, conducting block is copper casting, and spring touch finger is chromium-zirconium-copper filament winding
System, electric conductivity is excellent；Also need that fin is installed on high current product, fin is aluminium casting, and outer surface coats epoxy resin,
Ensure the insulating properties of product；The conducting surface of all parts is silver-plated, reduces contact resistance.Vacuum interrupter 21 is sealing pole
The core component of post 20, is made up of moving contact 22, static contact, bellows, radome and shell etc..Vacuum interrupter 21 has pole
Vacuum high, when dynamic and static contact separating brake under the effect of repulsion operating mechanism 30, will produce vacuum arc, together between contact
When contact use magnetic blow-out contact, appropriate vertical magnetic field is produced in contact gap, vacuum arc is kept diffused, and make electric arc
Contact surface burning is evenly distributed in, low arc voltage is maintained.In electric current natural zero-crossing, the ion of residual, electronics and
Metallic vapour can be combined or condense upon in contact surface and radome within the time of the microsecond order of magnitude, Jie of arc-chutes fracture
Matter dielectric strength is resumed quickly, so that electric arc is off, reaches the purpose of disjunction.
Wherein the moving contact 22 of vacuum interrupter 21 includes moving contact body 221, and moving contact body 221 is turned near top pressure
The end face at end is provided with blind hole 222, and there is blind hole 222 the reinforcing prop construction section near bottom hole and the joint near aperture to install
Section, is provided with steel nail 223 in reinforcing prop construction section, steel nail 223 is set along the axle center of moving contact body 221, forms reinforcing prop, joint
Insulation pull rod piecing 226 is fixed with construction section.The outer peripheral face of steel nail 223 is smooth surface, with head 224 and bar portion 225, head
224 diameter with diameter greater than bar portion 225；The bottom hole wall of the blind hole 222 on moving contact body 221 be taper, steel nail 223 away from
One end of insulation pull rod piecing 226 coincide with the bottom hole wall shape of blind hole 222 and coordinates with the top pressure of moving contact body 221.Strengthen
Post construction section is ladder section corresponding with steel nail, and the big footpath section of ladder section is consistent with the diameter of joint construction section, and insulated tension pole connects
First 226 with steel nail 223 vertically top pressure coordinate.The material of insulation pull rod piecing 226 is consistent with moving contact 22, and its axle center is provided with blind
Hole, the blind hole is screwed hole, is fixed with insulated tension pole and turned on for coordinating with insulated tension pole screw thread.Due to the collection skin of electric current
Effect, can avoid steel nail from having influence on the through-flow of conducting rod by the size of reasonable adjusting steel nail, and steel nail 223 is set can
Reduce breaker movable end of arc extinguishing chamber when high speed is closed a floodgate and the Upsetting for producing is clashed into static side, it is to avoid thus cause vacuum extinction
Room 21 occurs out away from change or even serious clamping stagnation occurs and be unable to normal occlusion lock, improves mechanical life and the reliability of arc-chutes.
Repulsion operating mechanism 30 uses repulsive force mechanism+Monostable permanent magnetic mechanism+sluice separating spring integrated design, repulsive force mechanism bag
Quiet repulsion coil disk 316 and dynamic repulsion coil disk 313 are included, quiet repulsion coil disk 316 and dynamic repulsion coil disk 313 include flat type copper wire
The repulsion coil of coiling and the skeleton for fixing repulsion coil, repulsion coil casting are fixed in skeleton, simple and compact for structure,
Solve repulsive force mechanism coil and loosen problem and the low problem of current repulsion copper dish efficiency.Monostable permanent magnetic mechanism includes separating brake
Side cover plate 31, separating brake cover plate copper sheathing 32, dynamic iron core 33, connecting rod 34, combined floodgate side cover plate 35, permanent magnetism housing 36, magnetic guiding loop 37, forever
Magnet 39, repulsion connecting rod 310, closing coil 311, combined floodgate cover plate copper sheathing 312 moves repulsion coil disk 313, take-off lever 314, repulsion
Housing 315, quiet repulsion coil disk 316, repulsion upper cover plate 317 and upper cover plate copper sheathing 318.Wherein on combined floodgate side cover plate 35 and repulsion
Connected by studdle 38 between cover plate 317；The setting nested with inside and outside magnetic guiding loop 37 of permanent magnet 39 forms permanent-magnet component, only exists
Inner side sets magnetic guiding loop 37 can reduce volume；The separating brake end of dynamic iron core 33 is provided with flange and forms T-shaped iron core, flange and magnetic conduction
Ring 37 is corresponded to vertically；Take-off lever 314 forms the output end of whole operating mechanism, take-off lever 314 and insulated tension pole 25 during assembling
It is fixedly connected；The lower end of take-off lever 314 is provided with internal thread, and the screw thread of repulsion connecting rod 310 with the combined floodgate end for being fixed on dynamic iron core 33 connects
Connect, dynamic repulsion coil disk 313 is fixedly clamped between the step end face and take-off lever 314 of repulsion connecting rod 310, with repulsion connecting rod
310th, take-off lever 314 and dynamic iron core 33 are synchronized with the movement.
Repulsion operating mechanism 30 hangs on the There of mechanism case 10 by 4 rigid supports 12, by shaft coupling with
Breaker body realizes connection.The part that connecting rod 34 stretches out separating brake side cover plate 31 is fixed with spring base 319, spring by nut
Tripping spring 320 is set between seat 319 and separating brake side cover plate 31, and tripping spring 320 realizes separating brake function jointly with repulsive force mechanism,
And the usage amount of controller module electric capacity can be reduced, reduce the space that controller takes；The use of tripping spring can also rise
To the effect of buffering of closing a floodgate, big this insoluble technical problem of closing rebound is solved.
Divide-shut brake buffer unit 40 delays including the upper bracket 41 being stacked and lower carriage 42, the combined floodgate being oppositely arranged up and down
Stamping and splitting lock cushioning part, also hit frame 44 including buffering.Upper bracket 41 and lower carriage 42 are downward opening U-frame frame, on
Top open part on support 41 and lower carriage 42 in U-shaped be provided with it is outer turn edge 43, upper bracket 41 by it is outer turn edge 43 and bolt it is solid
Be scheduled on upper bracket 41, lower carriage 42 43 and is bolted on the base plate of mechanism case 10 by turning edge outward, upper bracket 41 and under
Support 42 constitutes the device frame of divide-shut brake buffer unit 40.Bolster is buffer oil cylinder 45, upper bracket 41 and lower carriage 42 and U
The corresponding position in bottom of shape is provided with the mounting hole for the insertion of buffer oil cylinder 45, and mounting hole is elongated hole, each buffer oil cylinder 45
Outer peripheral face on be threaded with two adjusting nuts 46 and be fixedly clamped by two adjusting nuts 46 and prop up on corresponding
On frame 41 or lower carriage 42.Buffering is hit frame 44 and constitutes buffer limit seat, and it uses frame structure, the bottom transverse frame of frame structure
441st, the horizontal frame 442 in top and side frame 443 formed respectively with bolster clash into end 451 coordinate pushing part, for machinery
The drive connection portion that the connecting rod 34 of switch is fixedly connected and the transmission arm for connecting drive connection portion and pushing part, top are horizontal
Frame is provided with connecting hole 47, is fixedly connected for the connecting rod 34 with repulsion operating mechanism 30.Every phase mechanism of switch is equipped with
There is above-mentioned divide-shut brake buffer unit 40, and buffer can be adjusted, and to eliminate manufacture and install the error brought, install letter
It is single, easy to adjust.
Controller module includes power module, discharge module, control module, capacitor module；Connected by external power supply,
Power module realizes the charging to electric capacity, then presses switch knob, and discharge module realizes electric capacity to permanent magnet mechanism coil electricity,
Permanent magnet mechanism iron core moves to closing position, and chops electric current off by control module, and permanent magnet 39 is realized to iron core closing position
Holding；Opening button is pressed, controller discharge module is powered to dynamic repulsion coil disk 313 and quiet repulsion coil disk 316, two reprimands
Power coil panel is connected and current direction conversely produces repulsion, moves the lead agency separating brake of repulsion coil disk 313, there is provided larger acceleration
Spend, now control module starts to repulsive force mechanism switch off current, and rear journey realizes that separating brake is moved by tripping spring；Control module is selected
The CPU of enough disposal abilities and speed, while controlling IGBT and controllable silicon drive circuit.
Closing operation：When mechanism is connected to combined floodgate order, to the electric current that certain orientation is passed through in closing coil 311, magnetic force
Line direction is in opposite direction with the magnetic line of force that permanent magnet 39 is produced, and as the electric current of closing coil 311 increases, dynamic iron core 33 is in permanent magnet
Under 39 act on the resultant magnetic field of exciting curent, gradually increased by upward electromagnetic attraction, when electric current reaches certain value, close
The downward magnetic line of force that the upward magnetic line of force and permanent magnet 39 that brake cable circle 311 is produced are produced is cancelled out each other, and dynamic iron core 33 starts
Motion, as displacement gradually increases, top air-gap reluctance is gradually reduced, and bottom air-gap reluctance gradually increases, therefore mechanism top
Magnetic field gradually strengthen, the overwhelming majority the magnetic lines of force via top air gap, combined floodgate side cover plate 35, permanent magnet mechanism shell, permanent magnet
39 and magnetic guiding loop 37 formed closed magnetic circuit, until moving to closing position untill.The confining force of closing position is also by permanent magnet
39 provide, and principle is identical with open position.In the latter end stroke of closing operation, buffering hits the buffer oil cylinder 45 of frame 44 and top
Shock end 451 have an effect, clash into end 451 and retracted by the driving of active force, promote the hydraulic oil in buffer oil cylinder 45 to lead to
Overdamp hole, realizes buffering of closing a floodgate.
Sub-switching operation：When mechanism is connected to separating brake order, there are two electric capacity respectively to the quiet reprimand in repulsion operating mechanism 30
Line of force circle and dynamic repulsion coil lead to electric current in opposite direction, dynamic iron core 33 is acted in the repulsion produced by dynamic and static repulsion coil
Lower motion, so as to realize sub-switching operation.If simultaneously using auxiliary switching winding, needing simultaneously to logical certain in auxiliary switching winding
The electric current in direction, makes the magnetic line of force that coil is produced in opposite direction with the magnetic line of force that permanent magnet 39 is produced, and maintains the fortune in mechanism's later stage
It is dynamic；According to spring, then the energy stored in making process in the spring maintains mechanism's the second half motion, meanwhile, closing a floodgate
When, the effect of buffering is also functioned to, arc-chutes spring in sealing monopole can be reduced.In the latter end stroke of sub-switching operation, buffering is hit
Frame 44 is had an effect with the shock end 451 of the buffer oil cylinder 45 of bottom, is clashed into end 451 and is retracted by the driving of active force, is promoted
Hydraulic oil in buffer oil cylinder 45 realizes splitting lock cushioning by damping hole.
One embodiment of divide-shut brake buffer unit is the division in the embodiment of above-mentioned Fast mechanical switch in the present invention
Lock buffer unit 40, here is omitted for concrete structure.
In the above-described embodiments, buffer limit seat is frame structure, and bolster includes combined floodgate bolster and splitting lock cushioning part,
And device frame includes the upper bracket 41 and lower carriage 42 that are stacked, upper bracket 41 and lower carriage 42 are downward opening U-shaped
Framework.In other embodiments of the invention, buffer limit seat also can be replaced other forms, for example, turn over clockwise or counterclockwise
The U-shaped structure turning 90 degrees, that is, pass on a skill from a master to a single disciple boom structure, and bolster can also be only with combined floodgate bolster or only with splitting lock cushioning
Part, and bolster could alternatively be gas spring or the form of other springs；Device frame can also replace with other forms, for example
Square frame-shaped device frame, the top and bottom difference fixed bumper of square frame-shaped device frame are set.
Claims (10)
1. divide-shut brake buffer unit, including device frame, bolster and it is fixedly connected for the connecting rod with Fast mechanical switch
Buffer limit seat, it is characterised in that：Buffer limit seat include with bolster clash into pushing part that end coordinates and for
The drive connection portion that the connecting rod of mechanical switch is fixedly connected, the drive connection portion be arranged on the outside of device frame and with it is described
Pushing part is connected with transmission arm along the buffering deformation direction interval setting of bolster between the drive connection portion and pushing part,
The transmission arm is located at the outside of bolster.
2. divide-shut brake buffer unit according to claim 1, it is characterised in that：The bolster include combined floodgate bolster and
The shock end of splitting lock cushioning part, combined floodgate bolster and splitting lock cushioning part is oppositely arranged, and the pushing part is arranged on combined floodgate bolster
And the shock end of splitting lock cushioning part between.
3. divide-shut brake buffer unit according to claim 2, it is characterised in that：Described device frame is upper including what is be stacked
Support and lower carriage, the upper bracket and lower carriage are downward opening U-frame frame, in U-shaped on upper bracket and lower carriage
Top open part is turned edge outside being provided with, and upper bracket is fixed on upper bracket by outer turning edge, and combined floodgate bolster and splitting lock cushioning part divide
Upper bracket and lower carriage position corresponding with the bottom of U-shaped are not fixed on.
4. divide-shut brake buffer unit according to claim 3, it is characterised in that：The bolster is buffer oil cylinder, institute
State upper bracket and lower carriage position corresponding with the bottom of U-shaped and be provided with the mounting hole inserted for buffer oil cylinder, the mounting hole
It is elongated hole, two adjusting nuts is threaded with the outer peripheral face of each buffer oil cylinder and is clamped by two adjusting nuts solid
It is scheduled on corresponding upper bracket or lower carriage.
5. the divide-shut brake buffer unit described in any one according to claim 1-4, it is characterised in that：The buffer limit seat
It is frame structure, the pushing part, drive connection portion and transmission arm are respectively by the bottom transverse frame of frame structure, the horizontal frame in top and side
Frame is formed.
6. Fast mechanical switch, including repulsion operating mechanism and divide-shut brake buffer unit, divide-shut brake buffer unit include device frame,
Bolster and the buffer limit seat being fixedly connected with the connecting rod of repulsion operating mechanism, it is characterised in that：The buffer limit seat
The pushing part coordinated including the shock end with bolster and the drive connection portion being fixedly connected with the connecting rod of repulsion operating mechanism,
The drive connection portion be arranged on the outside of device frame and with the pushing part along bolster buffering deformation direction interval setting,
Transmission arm is connected between the drive connection portion and pushing part, the transmission arm is located at the outside of bolster.
7. Fast mechanical switch according to claim 6, it is characterised in that：The bolster includes combined floodgate bolster and divides
The shock end of lock bolster, combined floodgate bolster and splitting lock cushioning part is oppositely arranged, the pushing part be arranged on combined floodgate bolster and
Between the shock end of splitting lock cushioning part.
8. Fast mechanical switch according to claim 7, it is characterised in that：Described device frame includes the upper branch being stacked
Frame and lower carriage, the upper bracket and lower carriage are downward opening U-frame frame, in the top of U-shaped on upper bracket and lower carriage
Turned edge outside being provided with portion opening, upper bracket is fixed on upper bracket by outer turning edge, combined floodgate bolster and splitting lock cushioning part are distinguished
It is fixed on upper bracket and lower carriage position corresponding with the bottom of U-shaped.
9. Fast mechanical switch according to claim 8, it is characterised in that：The bolster is buffer oil cylinder, described
Upper bracket and lower carriage position corresponding with the bottom of U-shaped are provided with the mounting hole for the insertion of buffer oil cylinder, and the mounting hole is
Elongated hole, is threaded with two adjusting nuts and is fixedly clamped by two adjusting nuts on the outer peripheral face of each buffer oil cylinder
On corresponding upper bracket or lower carriage.
10. the Fast mechanical switch described in any one according to claim 6-9, it is characterised in that：The buffer limit seat
It is frame structure, the pushing part, drive connection portion and transmission arm are respectively by the bottom transverse frame of frame structure, the horizontal frame in top and side
Frame is formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611169885.3A CN106783263B (en) | 2016-12-16 | 2016-12-16 | Divide-shut brake buffer unit and the Fast mechanical switch for using the device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611169885.3A CN106783263B (en) | 2016-12-16 | 2016-12-16 | Divide-shut brake buffer unit and the Fast mechanical switch for using the device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106783263A true CN106783263A (en) | 2017-05-31 |
| CN106783263B CN106783263B (en) | 2019-01-22 |
Family
ID=58892043
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611169885.3A Expired - Fee Related CN106783263B (en) | 2016-12-16 | 2016-12-16 | Divide-shut brake buffer unit and the Fast mechanical switch for using the device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106783263B (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108711529A (en) * | 2018-08-06 | 2018-10-26 | 湖南长高高压开关有限公司 | Extra-high voltage +/-1100 kv direct-current folding arm telescopic horizontal type vertical grounding switch |
| CN110911188A (en) * | 2019-12-06 | 2020-03-24 | 上海思源高压开关有限公司 | Closing buffer mechanism for high-speed switch and adjusting method |
| CN112614758A (en) * | 2020-12-07 | 2021-04-06 | 国网福建省电力有限公司检修分公司 | Quick operating mechanism of circuit breaker |
| CN113161167A (en) * | 2021-01-13 | 2021-07-23 | 河南平高电气股份有限公司 | Spring operating mechanism for electric switch |
| CN115458359A (en) * | 2022-08-25 | 2022-12-09 | 常州博瑞电力自动化设备有限公司 | Switch opening and closing buffer device |
| CN115498756A (en) * | 2022-11-17 | 2022-12-20 | 国网（天津）综合能源服务有限公司 | Dual-power switching device and method for power supply system |
| CN115692050A (en) * | 2022-09-07 | 2023-02-03 | 中国科学院电工研究所 | Switching mechanism of pulse heavy current switching device |
| CN116525351A (en) * | 2023-06-30 | 2023-08-01 | 中国电力科学研究院有限公司 | Short-excitation high-speed vacuum opening and closing device |
| CN116908674A (en) * | 2023-09-12 | 2023-10-20 | 川开电气有限公司 | Method and system for monitoring and predicting residual life of circuit breaker |
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| US1988610A (en) * | 1933-04-27 | 1935-01-22 | Westinghouse Electric & Mfg Co | Operating mechanism for circuit breakers and the like |
| GB1172091A (en) * | 1966-09-23 | 1969-11-26 | Ass Elect Ind | Vacuum Switch |
| CN101221866A (en) * | 2008-01-28 | 2008-07-16 | 中国电力科学研究院 | Switching-on buffering mechanism in breaker |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1988610A (en) * | 1933-04-27 | 1935-01-22 | Westinghouse Electric & Mfg Co | Operating mechanism for circuit breakers and the like |
| GB1172091A (en) * | 1966-09-23 | 1969-11-26 | Ass Elect Ind | Vacuum Switch |
| CN101221866A (en) * | 2008-01-28 | 2008-07-16 | 中国电力科学研究院 | Switching-on buffering mechanism in breaker |
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108711529A (en) * | 2018-08-06 | 2018-10-26 | 湖南长高高压开关有限公司 | Extra-high voltage +/-1100 kv direct-current folding arm telescopic horizontal type vertical grounding switch |
| CN108711529B (en) * | 2018-08-06 | 2024-04-05 | 湖南长高高压开关有限公司 | Extra-high voltage + -1100 kv direct current folding arm telescopic horizontal type ground grounding switch |
| CN110911188A (en) * | 2019-12-06 | 2020-03-24 | 上海思源高压开关有限公司 | Closing buffer mechanism for high-speed switch and adjusting method |
| CN110911188B (en) * | 2019-12-06 | 2021-11-05 | 上海思源高压开关有限公司 | Closing buffer mechanism for high-speed switch and adjusting method |
| CN112614758A (en) * | 2020-12-07 | 2021-04-06 | 国网福建省电力有限公司检修分公司 | Quick operating mechanism of circuit breaker |
| CN113161167A (en) * | 2021-01-13 | 2021-07-23 | 河南平高电气股份有限公司 | Spring operating mechanism for electric switch |
| CN113161167B (en) * | 2021-01-13 | 2024-04-05 | 河南平高电气股份有限公司 | Spring operating mechanism for electric switch |
| CN115458359B (en) * | 2022-08-25 | 2023-11-14 | 常州博瑞电力自动化设备有限公司 | Switch opening and closing buffer device |
| CN115458359A (en) * | 2022-08-25 | 2022-12-09 | 常州博瑞电力自动化设备有限公司 | Switch opening and closing buffer device |
| CN115692050B (en) * | 2022-09-07 | 2023-08-15 | 中国科学院电工研究所 | Switching mechanism of pulse high-current switching device |
| CN115692050A (en) * | 2022-09-07 | 2023-02-03 | 中国科学院电工研究所 | Switching mechanism of pulse heavy current switching device |
| CN115498756A (en) * | 2022-11-17 | 2022-12-20 | 国网（天津）综合能源服务有限公司 | Dual-power switching device and method for power supply system |
| CN116525351A (en) * | 2023-06-30 | 2023-08-01 | 中国电力科学研究院有限公司 | Short-excitation high-speed vacuum opening and closing device |
| CN116525351B (en) * | 2023-06-30 | 2023-09-08 | 中国电力科学研究院有限公司 | Short-excitation high-speed vacuum opening and closing device |
| CN116908674A (en) * | 2023-09-12 | 2023-10-20 | 川开电气有限公司 | Method and system for monitoring and predicting residual life of circuit breaker |
| CN116908674B (en) * | 2023-09-12 | 2023-11-28 | 川开电气有限公司 | Method and system for monitoring and predicting residual life of circuit breaker |
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| CN106783263B (en) | 2019-01-22 |
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