CN108231471A - A kind of flexible transmission is switched with vacuum by-pass - Google Patents
A kind of flexible transmission is switched with vacuum by-pass Download PDFInfo
- Publication number
- CN108231471A CN108231471A CN201810172790.XA CN201810172790A CN108231471A CN 108231471 A CN108231471 A CN 108231471A CN 201810172790 A CN201810172790 A CN 201810172790A CN 108231471 A CN108231471 A CN 108231471A
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- Prior art keywords
- vacuum
- plate
- fixed
- pass
- housing
- Prior art date
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- Granted
Links
- 230000005540 biological transmission Effects 0.000 title claims abstract description 18
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 31
- 229910052802 copper Inorganic materials 0.000 claims abstract description 31
- 239000010949 copper Substances 0.000 claims abstract description 31
- 239000012212 insulator Substances 0.000 claims abstract description 21
- 239000006148 magnetic separator Substances 0.000 claims description 30
- 230000003068 static effect Effects 0.000 claims description 23
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 22
- 229910052751 metal Inorganic materials 0.000 claims description 11
- 239000002184 metal Substances 0.000 claims description 11
- 238000007789 sealing Methods 0.000 claims description 9
- 230000002528 anti-freeze Effects 0.000 claims description 6
- 238000003825 pressing Methods 0.000 claims description 6
- 230000007704 transition Effects 0.000 claims description 5
- 229920002799 BoPET Polymers 0.000 claims description 4
- 239000005041 Mylar™ Substances 0.000 claims description 4
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 4
- 210000004907 gland Anatomy 0.000 claims description 4
- 239000007769 metal material Substances 0.000 claims description 4
- 238000007747 plating Methods 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 3
- 230000005389 magnetism Effects 0.000 claims description 3
- 229910052742 iron Inorganic materials 0.000 claims 4
- 150000003839 salts Chemical class 0.000 abstract description 4
- 238000000605 extraction Methods 0.000 abstract 1
- 230000005611 electricity Effects 0.000 description 7
- 239000004065 semiconductor Substances 0.000 description 4
- 230000002411 adverse Effects 0.000 description 2
- 239000000356 contaminant Substances 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 230000003628 erosive effect Effects 0.000 description 2
- 238000001192 hot extrusion Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 241001124569 Lycaenidae Species 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 235000014987 copper Nutrition 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 239000011224 oxide ceramic Substances 0.000 description 1
- 229910052574 oxide ceramic Inorganic materials 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
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
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/662—Housings or protective screens
-
- 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
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/6606—Terminal arrangements
-
- 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
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/662—Housings or protective screens
- H01H33/66207—Specific housing details, e.g. sealing, soldering or brazing
-
- 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
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/666—Operating arrangements
-
- 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
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/662—Housings or protective screens
- H01H33/66207—Specific housing details, e.g. sealing, soldering or brazing
- H01H2033/66223—Details relating to the sealing of vacuum switch housings
Abstract
The present invention proposes that a kind of flexible transmission is switched with vacuum by-pass, the protecting to power electronic devices in flexible direct current power transmission system.The present invention is mainly made of components such as housing, vacuum switch tube, extraction copper bar, permanent-magnet operating mechanism, manual brake separating mechanism, upper cover, Lock gates, preceding connecting plate, vacuum switch tube, insulator, permanent-magnet operating mechanism, manual brake separating mechanism are installed in housing, and upper cover is fastened with housing.The present invention has the features such as closing time is short, no spring of closing a floodgate, current capacity is strong, salt fog resistance superior performance.
Description
Technical field
The invention belongs to the protective devices of power electronic devices, are mainly used in flexible direct current power transmission system.
Background technology
From generating electricity, transmitting electricity, the links of distribution to electricity consumption variation with rapid changepl. never-ending changes and improvements all occurs for electric system at present,
With the variation of using energy source form and the diversification of powering mode, new generation mode continuously emerges, such as：Wind-power electricity generation, too
Sun can generate electricity, static excitation mode generates electricity etc., these generation modes often all there are power control, improved efficiency and balance simultaneously
The problems such as net, therefore the place that flexible electric technology plays a role can be found, fast vacuum by-pass switch is as these electric power
The protective device of electronic device plays very important effect in entire flexible power transmission and distribution power equipment.Vacuum by-pass switch master
It is used to carry out bypass protection to power electronics semiconductor device, by-pass switch main contact is in parallel with power electronics semiconductor device
Connection, by-pass switch main contact is open circuit during normal work, when power electronics semiconductor device failure, gives by-pass switch coil
Power-up, by-pass switch main contact quick-make bypass power electronics semiconductor device, make system still normal operation.
Because of vacuum by-pass switch, ground zero uses in electric system, so vacuum by-pass switch currently on the market is big
It has the following problems more：1）Closing time >=5ms of vacuum by-pass switch, time are generally longer；2）Switch uses coiling machine
Tool is kept, and coil is powered after combined floodgate using permanent magnet holding, therefore the volume of closing coil is larger, switchs whole volume too
Greatly；3）Vacuum by-pass switch will appear bounce when closing a floodgate can damage vacuum switch tube in the case where high current is connected
Contact；4）Vacuum by-pass switch is inconvenient to debug after installation is complete, and 5）Because keeping "on" position, the contact of switch using permanent magnetism
Pressure is smaller, and load current is general small equal to 1600A.
Invention content
The present invention is in view of the above-mentioned problems, design a kind of small, and reliability is high, and closing speed is fast, small or even nothing of bouncing
Spring, installation and debugging are convenient, and the flexible transmission that can carry high current is switched with vacuum by-pass.
Technical scheme of the present invention：A kind of flexible transmission is switched with vacuum by-pass, is opened including housing, preceding connecting plate, vacuum
Guan Guan, soft copper row, permanent-magnet operating mechanism, manual brake separating operating mechanism, upper cover, waterproof part are formed, preceding connecting plate, vacuum switch
Pipe, insulator, permanent-magnet operating mechanism, manual brake separating mechanism are installed in housing, and upper cover is fastened with housing, and upper cover is equipped with three
Outlet, one outlet link gland, other two outlet respectively stretch out soft copper row, preceding connecting plate, the two outlet with
Gap between soft copper row, preceding connecting plate is sealed with sealing ring, and preceding connecting plate lower part is screwed at housing cavity front end bottom
In the inserts in portion, it is fixed on backing plate with fastener in the middle part of preceding connecting plate, backing plate is fixed on fastener on housing cavity front end
On two inserts in portion, vacuum switch tube static side is fixed on preceding connecting plate, the moved end of vacuum switch tube and soft copper row by screw
Lower end is bonded, and is screwed in vacuum switch tube with long screw thread one end, and tight by what is packaged with the adjusting screw rod for being cased with fastener
Firmware is sturdy by the moved end end face of vacuum switch tube and soft copper row's binding face locking, and soft copper row middle part is fixed on fixed block, Gu
Determine on two inserts that block is fixed in the middle part of housing cavity with fastener, the adjusting screw rod other end and insulator one end are fixed on one
It rises, the insulator other end also is provided with threaded hole, and one end of studs is housed in threaded hole, and studs is cased with first successively
Spring base, switching-in spring, second spring base, adjusting nut, coil, permanent-magnet operating mechanism, slider nut, wherein first bullet
Spring abutment is anchored on insulator with nut, and switching-in spring both ends are tightly attached to by spring seat supports, second spring base on latch plate, bullet
Spring plank is placed in the card slot of enclosure interior and is clearance fit with card slot；Latch plate passes through supporting rod and the permanent-magnet operating mechanism
It is connected.
The permanent-magnet operating mechanism includes pipe magnetic separator, pipe magnetic separator installing plate, static iron core, tile shape permanent magnet, antifreeze plate, institute
Pipe magnetic separator and static iron core is stated to be fixed on pipe magnetic separator installing plate with fastener, tile shape permanent magnet be packed into pipe magnetic separator and static iron core it
Between circle ring area in, and be embedded in the groove of pipe magnetic separator with antifreeze plate to stop that permanent magnet drops out annulus, the double end spiral shell
One of column sequentially passes through static iron core, pipe magnetic separator, pipe magnetic separator installing plate, slider nut, and slider nut end is locked with locking nut
Tightly.
The manual brake separating operating mechanism includes buckle releaser bearing, hand trip gear, and buckle releaser bearing is fixed with fastener
On the end face of pipe magnetic separator installing plate, the opening direction of buckle releaser bearing is back to pipe magnetic separator, and hand trip gear interstitial hole is with threading off
Device bearing opening holes is aligned, then with both ends pin with holes across the hole, the hole at the both ends of pin respectively passes through a split pin, and
By the opening bending of split pin, prevent split pin from skidding off aperture, hand trip gear is freely rotated on pin, and hand trip gear is just
Opposite shell area is provided with oval mouth, and oval mouth is equipped with waterproof plug.
Further, be additionally provided with it is auxiliary open component, auxiliary component of opening includes auxiliary opening installing plate and auxiliary switch, the auxiliary switch
Be fixed on it is auxiliary open on installing plate, the auxiliary installing plate of opening is fixed on latch plate.
Latch plate is stablized by pressing plate, fixed plate, and two pressing plates in left and right are fixed on by fastener in housing cavity
In the inserts of left and right two of portion upper end and in the threaded hole of left and right two of latch plate upper end, fixed plate is fixed on shell by fastener
On two inserts of body cavity middle-end lower part and on the threaded hole of latch plate middle-end.
The soft copper row suppresses for multilayer copper belt, and middle part is arc transition area, and both ends are tin plating.
The coil is magnetic conductive metal material, which is provided with metal cavity, and metal cavity interior walls are pasted with mylar, paint
Envelope curve is wound in metal cavity.
The insulator is hot-forming part, and shape is cylinder, and protruding ring is equipped in the middle part of cylinder.
The advantageous effect that the present invention obtains：The housing that the present invention uses is integrated cavity structure, in this way can open vacuum
Guan Guan, insulator and integral latter of permanent-magnet operating mechanism assembling are fitted into housing, and the card slot of latch plate and housing is gap
Cooperation, substantially increases efficiency of assembling；It is safe, energy saving, pollution-free using permanent-magnet operating mechanism；Coil is magnetic conductive metal material,
Coil metal cavity interior walls are pasted with mylar, and enameled wire is wound in metal cavity, and it is higher resistance to ensure that coil has
Pressure, the structure coil had both had the function of that electromagnetic coil also had the function of dynamic iron core；Switch is disconnected in normal operating conditions
Open state, the state are kept by permanent magnet, at this point, big spring stores very big energy, when power electronic devices breaks down,
By-pass switch coil energization, permanent magnet and coil separation, the powerful energy abrupt release of big spring storage drive vacuum switch tube
Moving contact and static contact quick-make, big spring also lays in large energy after closure, it is ensured that vacuum switch tube dynamic/static contact has
Enough terminal pressures, "on" position is stable, reliable, can also substantially reduce spring during combined floodgate；Soft copper mining copper belt
It being laminated, middle part arc transition area can be freely rotated, and both ends are tin plating after compressing, and traditional structure is generally made of two parts,
Copper bar and flexible connection, this traditional structure joint face have 2, considerably increase contact resistance, temperature liter is universal higher, especially greatly
When current loading, it is difficult up to standard that temperature, which rises, and only there are one contact surfaces by the soft copper row that the present invention uses, and reduce contact resistance
（Can usually it be decreased to below 30 μ Ω）, rise temperature easily up to standard, even better than national standard.Using waterproof plug and sealing ring,
Erosion of the environmental contaminants to vacuum by-pass switch internal parts when can effectively reduce adverse circumstances reaches national salt fog examination
The requirement of standard inspection standard；Insulator uses hot extrusion briquetting technique, and longitudinal intermediate projections can be effectively increased under smaller volume and climb electricity
Distance and electric clearance.The inserts at insulator both ends has stringent concentricity and verticality requirement, ensure that integrated model has
There is good concentricity；Separating brake mode uses manual brake separating mode, and manual brake separating mouth is arranged on vacuum by-pass switch rear portion, also may be used
To be arranged on vacuum by-pass switch side.Vacuum by-pass switch operating temperature rise is low.When electric current is 2500A rms, Wen Sheng≤
55K；When electric current is 2200A rms, Wen Sheng≤40K.
Description of the drawings
Fig. 1 is the structure sectional view of the present invention；
In figure：1- housings, 2- upper covers, 3- wiring gland, 4- supporting rods, 5- be auxiliary open installing plate, 6- auxiliary switches, 7- pressing plates,
Connecting plate, 14- backing plates, 15- before 8- studs, 9- fixed blocks, 10- sealing rings, 11- soft coppers row, 12- vacuum switch tubes, 13-
Adjusting screw rod, 16- insulators, 17- spring bases, 18- switching-in springs, 19- fixed plates, 20- adjusting nuts, 21- latch plates, 22-
Coil, 23- antifreeze plates, 24- tile shapes permanent magnet, 25- pipe magnetic separators, 26- static iron cores, 27- pipe magnetic separators installing plate, 28- buckle releasers
Bearing, 29- hand trip gears, 30- slider nuts, 31- waterproof plugs.
Specific embodiment
As shown in the figure, a kind of flexible transmission is switched with vacuum by-pass, mainly by housing 1, preceding connecting plate 13, vacuum switch tube
12nd, soft copper row 11, permanent-magnet operating mechanism, manual brake separating operating mechanism, upper cover 2, waterproof part are formed.Waterproof part has waterproof
Plug, sealing ring etc..Preceding connecting plate 13, vacuum switch tube 12, insulator 16, permanent-magnet operating mechanism, manual brake separating mechanism are in shell
It is installed in body 1.The shell of vacuum switch tube 12 is using insulation aluminum oxide ceramic.Upper cover 2 is fastened with housing 1, and upper cover 2 is equipped with
Three outlets, one outlet link gland 3（For installing circuit, while waterproof sealing）, other two outlet difference
Soft copper row 11, preceding connecting plate 13 are stretched out, the gap between the two outlets and soft copper row 11, preceding connecting plate 13 is close with sealing ring 10
Envelope, preceding 13 lower part of connecting plate are fixed on soket head cap screw in the inserts of 1 cavity front bottom end of housing, and preceding 13 middle part of connecting plate is used
Hex screw is fixed on backing plate 14, and backing plate 14 is screwed on two inserts of 1 cavity upper front end of housing, and vacuum is opened
Connecting plate 13 before 12 static side of pipe is fixed on by screw is closed, the moved end of vacuum switch tube 12 and soft copper are arranged the fitting of 11 lower ends, be used in combination
It is cased with the adjusting screw rod 15 of nut to screw in vacuum switch tube 12 with long screw thread one end, and by the nut packaged by vacuum switch
The moved end end face of pipe 12 and soft copper row's 11 binding faces locking are sturdy, and 11 middle part of soft copper row is fixed on fixed block 9, and fixed block 9 is used
Screw is fixed on two inserts in the middle part of 1 cavity of housing, and 15 other end of adjusting screw rod and 16 one end of insulator are fixed together,
16 other end of insulator also is provided with threaded hole（M8 threaded holes）, one end of studs 8 is housed in threaded hole, studs 8 according to
It is secondary to be cased with first spring base 17, switching-in spring 18, second spring bases 17, adjusting nut 20, coil 22, permanent magnet operating machines
Structure, slider nut 30, wherein first spring base 17 is anchored on insulator 16 with nut, 18 both ends of switching-in spring are by spring base 17
Support, second spring base 17 be tightly attached on latch plate 21, between being in the card slot that latch plate 21 is placed in inside housing 1 and with card slot
Gap coordinates；Latch plate 21 is connected by four supporting rods 4 with the permanent-magnet operating mechanism.
Permanent-magnet operating mechanism include pipe magnetic separator 25, pipe magnetic separator installing plate 27, static iron core 26, tile shape permanent magnet 24, every magnetic
Piece 23, the pipe magnetic separator 25 and static iron core 26 are screwed on pipe magnetic separator installing plate 27, and tile shape permanent magnet 24 is packed into forever
In angular interval region between magnetic cylinder 25 and static iron core 26, and it is embedded in the shoulder formula groove of pipe magnetic separator 25 with antifreeze plate 23
To stop that permanent magnet 24 drops out annulus, one of the studs 8 sequentially passes through static iron core 26, pipe magnetic separator 25, pipe magnetic separator peace
Loading board 27, slider nut 30,30 end of slider nut are locked with locking nut.Vacuum switch tube moved end, adjusting screw rod 15, insulation
Son 16, studs 8, latch plate 21, coil 22, static iron core 26, pipe magnetic separator installing plate 27 central shaft be in same axis
On.
Manual brake separating operating mechanism includes buckle releaser bearing 28, hand trip gear 29, and buckle releaser bearing 28 uses trip bolt
It is fixed on the end face of pipe magnetic separator installing plate 27, the opening direction of buckle releaser bearing 28 is back to pipe magnetic separator 25, hand trip gear 29
Interstitial hole is aligned with 28 opening holes of buckle releaser bearing, then with both ends pin with holes across the hole, the hole at the both ends of pin respectively fills
Enter split pin and prevent skidding off for pin, hand trip gear 29 is freely rotated on pin, 1 region of housing that hand trip gear 29 faces
Oval mouth is provided with, oval mouth is equipped with waterproof plug 31.Waterproof plug 31 is removed when operated, pulls hand trip gear 29, upwards
By-pass switch closes a floodgate when pulling, by-pass switch separating brake when pulling downwards.
Further, be additionally provided with it is auxiliary open component, it is auxiliary open component include it is auxiliary open installing plate 5 and auxiliary switch 6, the auxiliary is opened
Close 6 be fixed on it is auxiliary open on installing plate 5, the auxiliary installing plate 5 of opening is fixed on latch plate 21.Auxiliary switch and vacuum by-pass switch
In chain state, when vacuum switch tube is completed to close a floodgate within the time of≤3.5ms, auxiliary switch can will be true in≤7ms
Empty by-pass switch main circuit "on" position signal is fed back.
Latch plate 21 is stablized by pressing plate 7, fixed plate 19, and two pressing plates 7 in left and right are fixed on shell by trip bolt
In the middle part of 1 cavity of body in the inserts of left and right two of upper end and in the threaded hole of left and right two of 21 upper end of latch plate, fixed plate 19 passes through
Trip bolt be fixed on two inserts of 1 cavity middle-end lower part of housing and the threaded hole of 21 middle-end of latch plate on.
Soft copper row 11 stacks for multilayer copper belt to be suppressed, and middle part is arc transition area, and both ends are tin plating.Arc transition area
Can be freely movable, contact resistance is small, usual complete machine contact resistance can be decreased to 30 μ Ω hereinafter, make switch temperature rise be better than in
National standard.Soft copper arranges 11 lower parts and is pressed on moved end face by nut, in the case where vacuum switch tube 12 switches on and off two states, no
It can influence vacuum by-pass switch main circuit parameter.
Coil 22 is magnetic conductive metal material, which is provided with metal cavity, metal cavity interior walls are pasted with mylar, enamel-cover
Line is wound in metal cavity, and resistance to voltage levels are high, and i.e. play the role of electromagnetic coil also has the function of dynamic iron core to the coil.
Insulator 16 is hot-forming part, and using hot extrusion briquetting technique, shape is cylinder, and protrusion is equipped in the middle part of cylinder
Ring can be effectively increased creepage distance and electric clearance under smaller volume.The setting of preceding connecting plate 13 can inhibit closing rebound,
Improve the stability of by-pass switch.
The present invention the course of work be：When vacuum switch tube 12 is in gate-dividing state, coil 22 is adjacent in 25 He of pipe magnetic separator
The surface of static iron core 26.When coil 22 by close a floodgate big direct current when, the axial direction of coil can generate magnetic field, the magnetic direction and tile
The magnetic direction of shape permanent magnet 24 is on the contrary, overcome that permanent magnetic makes coil 22 and that static iron core detaches, switching-in spring 18 stores is powerful
Energy abrupt release drives vacuum by-pass switch moved end（11 lower ends, coil etc. are arranged including insulator 16, soft copper）Make vacuum switch
Pipe dynamic/static contact quick-make, at the same auxiliary switch 6 by it is normally opened be converted into it is normally closed, in time to system feedback switching signal；It is closing
Under the larger terminal pressure of lock spring 18, without spring during combined floodgate.Short with closing time, no spring of closing a floodgate, current capacity is strong, resists
The features such as salt fog superior performance.It is safe, energy saving, pollution-free using permanent-magnet operating mechanism.Employ waterproof part --- waterproof plug
And sealing ring, erosion of the environmental contaminants to vacuum by-pass switch internal parts, reaches when can effectively reduce adverse circumstances
The requirement of national salt spray test standard.
Claims (9)
1. a kind of flexible transmission is switched with vacuum by-pass, including housing（1）, preceding connecting plate（13）, vacuum switch tube（12）, soft copper
Row（11）, permanent-magnet operating mechanism, manual brake separating operating mechanism, upper cover（2）, waterproof part form, it is characterized in that：Preceding connecting plate
（13）, vacuum switch tube（12）, insulator（16）, permanent-magnet operating mechanism, manual brake separating mechanism is in housing（1）Interior installation, on
Lid（2）With housing（1）It fastens, upper cover（2）If there are three exporting, one outlet link gland（3）, other two outlet
Soft copper row is stretched out respectively（11）, preceding connecting plate（13）, the two outlets are arranged with soft copper（11）, preceding connecting plate（13）Between gap
Use sealing ring（10）Sealing, preceding connecting plate（13）Lower part is screwed in housing（1）In the inserts of cavity front bottom end, preceding company
Fishplate bar（13）Middle part is fixed on backing plate with fastener（14）On, backing plate（14）Housing is fixed on fastener（1）On cavity front end
On two inserts in portion, vacuum switch tube（12）Static side is fixed on preceding connecting plate by screw（13）, vacuum switch tube（12）'s
Moved end and soft copper row（11）Lower end is bonded, and with the adjusting screw rod for being cased with fastener（15）Vacuum is screwed in long screw thread one end to open
Guan Guan（12）It is interior, and by the fastener packaged by vacuum switch tube（12）Moved end end face and soft copper row（11）Binding face locking patch
It is real, soft copper row（11）Middle part is fixed on fixed block（9）On, fixed block（9）Housing is fixed on fastener（1）Two in the middle part of cavity
On a inserts, adjusting screw rod（15）The other end and insulator（16）One end is fixed together, insulator（16）The other end also is provided with
Threaded hole is equipped with studs in threaded hole（8）One end, studs（8）It is cased with first spring base successively（17）, close a floodgate
Spring（18）, second spring base（17）, adjusting nut（20）, coil（22）, permanent-magnet operating mechanism, slider nut（30）,
In first spring base（17）Insulator is anchored on nut（16）, switching-in spring（18）Both ends are by spring base（17）Support, the
Two spring bases（17）It is tightly attached to latch plate（21）On, latch plate（21）It is placed in housing（1）It is in internal card slot and with card slot
Clearance fit；Latch plate（21）Pass through supporting rod（4）It is connected with the permanent-magnet operating mechanism.
2. a kind of flexible transmission according to claim 1 is switched with vacuum by-pass, it is characterized in that：The permanent-magnet operating mechanism
Including pipe magnetic separator（25）, pipe magnetic separator installing plate（27）, static iron core（26）, tile shape permanent magnet（24）, antifreeze plate（23）, it is described forever
Magnetic cylinder（25）And static iron core（26）Pipe magnetic separator installing plate is fixed on fastener（27）On, tile shape permanent magnet（24）It is packed into permanent magnetism
Cylinder（25）And static iron core（26）Between circle ring area in, and use antifreeze plate（23）It is embedded in pipe magnetic separator（25）Groove in resistance
Keep off permanent magnet（24）Drop out annulus, the studs（8）One sequentially pass through static iron core（26）, pipe magnetic separator（25）, permanent magnetism
Cylinder installing plate（27）, slider nut（30）, slider nut（30）It is locked with locking nut end.
3. a kind of flexible transmission according to claim 2 is switched with vacuum by-pass, it is characterized in that：The manual brake separating actuating
Mechanism includes buckle releaser bearing（28）, hand trip gear（29）, buckle releaser bearing（28）Pipe magnetic separator is fixed on fastener to install
Plate（27）End face on, buckle releaser bearing（28）Opening direction back to pipe magnetic separator（25）, hand trip gear（29）Interstitial hole with
Buckle releaser bearing（28）Opening holes is aligned, then with both ends pin with holes across the hole, the hole at the both ends of pin is respectively packed into opening
Pin prevents skidding off for pin, hand trip gear（29）It is freely rotated on pin, hand trip gear（29）The housing faced（1）Region
Oval mouth is provided with, oval mouth is equipped with waterproof plug（31）.
4. a kind of flexible transmission according to claim 1 is switched with vacuum by-pass, it is characterized in that：Be additionally provided with it is auxiliary open component,
Auxiliary component of opening opens installing plate including auxiliary（5）And auxiliary switch（6）, the auxiliary switch（6）It is fixed on and auxiliary opens installing plate（5）On,
It is described auxiliary to open installing plate（5）It is fixed on latch plate（21）On.
5. a kind of flexible transmission according to claim 1 is switched with vacuum by-pass, it is characterized in that：Latch plate（21）Pass through pressure
Plate（7）, fixed plate（19）Stablized, two pressing plates in left and right（7）Housing is fixed on by fastener（1）Upper end in the middle part of cavity
In two inserts in left and right and latch plate（21）In the threaded hole of left and right two of upper end, fixed plate（19）Shell is fixed on by fastener
Body（1）On two inserts of cavity middle-end lower part and latch plate（21）On the threaded hole of middle-end.
6. a kind of flexible transmission according to claim 1 is switched with vacuum by-pass, it is characterized in that：The soft copper row（11）For
Multilayer copper belt is suppressed, and middle part is arc transition area, and both ends are tin plating.
7. a kind of flexible transmission according to claim 1 is switched with vacuum by-pass, it is characterized in that：The coil（22）To lead
Magnetic metal material which is provided with metal cavity, and metal cavity interior walls are pasted with mylar, and enameled wire is wound on metal cavity
It is interior.
8. a kind of flexible transmission according to claim 1 is switched with vacuum by-pass, it is characterized in that：The insulator（16）For
Hot-forming part, shape are cylinder, and protruding ring is equipped in the middle part of cylinder.
9. a kind of flexible transmission according to claim 1 is switched with vacuum by-pass, it is characterized in that：The supporting rod（4）Have 4
It is a.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810172790.XA CN108231471B (en) | 2018-03-01 | 2018-03-01 | Vacuum bypass switch for flexible power transmission |
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| CN108231471B CN108231471B (en) | 2023-12-01 |
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| JP2002329444A (en) * | 2001-05-01 | 2002-11-15 | Mitsubishi Electric Corp | Solid-state insulating switch |
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| CN201758096U (en) * | 2010-03-01 | 2011-03-09 | 张琪 | Permanent magnet vacuum unidirectional switch and combination switch of disconnector and contactor |
| CN201766020U (en) * | 2010-09-13 | 2011-03-16 | 无锡市蓝虹电子有限公司 | Intelligent rapid closing switch |
| CN102194602A (en) * | 2010-03-01 | 2011-09-21 | 阳泉华盛矿用设备厂有限公司 | Permanent magnet vacuum unidirectional switch and multifunctional composition switch provided with same |
| CN102403163A (en) * | 2011-11-21 | 2012-04-04 | 无锡市蓝虹电子有限公司 | Quick horizontal vacuum switch for flexible power transmission |
| CN202339881U (en) * | 2011-11-21 | 2012-07-18 | 无锡市蓝虹电子有限公司 | Fast horizontal type vacuum switch for flexible power transmission |
| CN104681356A (en) * | 2013-11-26 | 2015-06-03 | 昆山瑞普电气有限公司 | Single-phase permanent magnetic contactor |
| CN207925392U (en) * | 2018-03-01 | 2018-09-28 | 甘肃虹光电子有限责任公司 | A kind of flexible transmission is switched with vacuum by-pass |
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2018
- 2018-03-01 CN CN201810172790.XA patent/CN108231471B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002329444A (en) * | 2001-05-01 | 2002-11-15 | Mitsubishi Electric Corp | Solid-state insulating switch |
| CN2859791Y (en) * | 2006-01-06 | 2007-01-17 | 湛江高压电器有限公司 | Outdoor high-voltage AC vacuum breaker |
| CN201758096U (en) * | 2010-03-01 | 2011-03-09 | 张琪 | Permanent magnet vacuum unidirectional switch and combination switch of disconnector and contactor |
| CN102194602A (en) * | 2010-03-01 | 2011-09-21 | 阳泉华盛矿用设备厂有限公司 | Permanent magnet vacuum unidirectional switch and multifunctional composition switch provided with same |
| CN201766020U (en) * | 2010-09-13 | 2011-03-16 | 无锡市蓝虹电子有限公司 | Intelligent rapid closing switch |
| CN102403163A (en) * | 2011-11-21 | 2012-04-04 | 无锡市蓝虹电子有限公司 | Quick horizontal vacuum switch for flexible power transmission |
| CN202339881U (en) * | 2011-11-21 | 2012-07-18 | 无锡市蓝虹电子有限公司 | Fast horizontal type vacuum switch for flexible power transmission |
| CN104681356A (en) * | 2013-11-26 | 2015-06-03 | 昆山瑞普电气有限公司 | Single-phase permanent magnetic contactor |
| CN207925392U (en) * | 2018-03-01 | 2018-09-28 | 甘肃虹光电子有限责任公司 | A kind of flexible transmission is switched with vacuum by-pass |
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| CN108231471B (en) | 2023-12-01 |
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