CN107959343A - A kind of dual-power transfer switch - Google Patents
A kind of dual-power transfer switch Download PDFInfo
- Publication number
- CN107959343A CN107959343A CN201710184189.8A CN201710184189A CN107959343A CN 107959343 A CN107959343 A CN 107959343A CN 201710184189 A CN201710184189 A CN 201710184189A CN 107959343 A CN107959343 A CN 107959343A
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- Prior art keywords
- linkage
- front door
- rear door
- dual
- rack
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
- H02J9/061—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems for DC powered loads
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B11/00—Switchgear having carriage withdrawable for isolation
- H02B11/02—Details
- H02B11/04—Isolating-contacts, e.g. mountings or shieldings
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B11/00—Switchgear having carriage withdrawable for isolation
- H02B11/12—Switchgear having carriage withdrawable for isolation with isolation by horizontal withdrawal
- H02B11/167—Switchgear having carriage withdrawable for isolation with isolation by horizontal withdrawal truck type
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
- H02J9/068—Electronic means for switching from one power supply to another power supply, e.g. to avoid parallel connection
Abstract
The invention discloses a kind of dual-power transfer switch, middle part is provided with the stent of vertical beam, two L-type busbar integral type insulation contact boxes for being respectively fixedly disposed at cradle top both sides, the supporting mechanism of insulation contact box includes the column for being fixed at insulation contact box bending part, it is arranged on the elevating mechanism of the vertical beam both sides of stent, driven in translation formula protection mechanism, the insulation valve includes being arranged in parallel and by the front door and Rear Door of asynchronous or incorgruous translation in the same direction during the rack drives for being secured to connection, and mechanical chain mechanism.Executing agency is arranged on liftable supporting plate by the present invention, takes full advantage of height space, simplifies actuating mechanism, the front door and Rear Door that the present invention is set using mobile and time interval is led to, using the front and rear form stacked, the design space of valve is effectively saved, realizes that driving mechanism minimizes, it is rational in infrastructure, the action control translated using front door and Rear Door by handcart intermittent driving, is realized that through hole is corresponding overlapping or staggers, security is effectively ensured, realize succinct, reliable in action.
Description
Technical field
The present invention relates to double power supply converting switch equipment and its switchgear technical field, held more particularly to a kind of lift
The dual-power transfer switch that row mechanism can remove.
Background technology
It is particularly important negative as market requires electric power system continuity in higher and higher, known distribution technique field
Lotus, is generally all powered using double loop power supply, and dress changes electric appliance and also occurs therewith dual power supply automatically, because of voltage insulation issue, power supply
Automatic conversion is all carried out in the low-pressure side of electric power system substantially, however, supply load is increasing, currently known technology, low pressure
Dual power supply changes electric appliance maximum switching current as 6300A, and maximum conversion capacity is 4500KW, cannot meet that big load is important
The requirement in power supply place, high voltage power supply switching become technology trends, and the prior art generally all uses two high-voltage switch gears
Cabinet mode, volume is big, is difficult to realize mechanical chain, and failure rate is higher, so design one kind is opened in high pressure integration automatic conversion
Close very necessary.
The content of the invention
In view of the technical drawbacks of the prior art, it is an object of the present invention to provide a kind of lift executing agency can
With withdraw-type dual power supply.
Technical solution is used by achieve the object of the present invention：
A kind of dual-power transfer switch, including
Middle part is provided with the stent of vertical beam,
Two L-type busbar integral type insulation contact boxes for being respectively fixedly disposed at cradle top both sides, insulation contact box
Supporting mechanism includes the column for being fixed at insulation contact box bending part,
Be arranged on the elevating mechanism of the vertical beam both sides of stent, the elevating mechanism include can vertical lifting supporting plate, hinge
Two below the supporting plate support arms in splayed Boulez are connected on, is connected with the support arm lower end and is fixedly connected with stent
Bottom rail road, and directly drive the ball screw type driving of the supporting plate lifting or the driving support arm lower end folding
Unit, carries 3 side line-outgoing type poles, corresponding executing agency and carries it respectively on the supporting plate described in two
Handcart,
Driven in translation formula insulate valve protection mechanism, it include being fixed at described in supporting plate side and horizontal-extending
Set bar, is rotatably fixed the sector for being arranged on stent and being provided with the matched guide groove of the set bar
Wheel, and connection and the rack being fixedly connected with insulation valve are engaged with the sector gear,
The insulation valve include be arranged in parallel and by be secured to connection rack drives when in the same direction it is asynchronous or
The front door and Rear Door of incorgruous translation, are respectively arranged with through hole corresponding with main bus-bar on the front door and Rear Door,
At open position, front door and Rear Door are driven positioned at the position of through hole correspondence, at closed position, before described
Door-plate and Rear Door are driven asynchronous mobile in the same direction, and the through hole of front door and Rear Door is staggered to be sealed through hole using no hole site
Close；
Mechanical chain mechanism, it include slidably or be rotatably arranged in one of executing agency and with its main shaft
Or operating mechanism or the pushing block of main contact linkage；The linkage mechanism being arranged on vertical beam, the linkage mechanism include with it is removable
It is arranged on dynamicly on vertical beam and with the initiative part of the pushing block phase separation, the linkage portion being sequentially connected with the initiative part；
It can interfere with the linkage portion and be vertically situated at the mandril of actuator top, the mandril and the execution machine
Resetting spring is provided between structure and lower end be inserted into when being acted on by linkage portion inside and locked.
The supporting mechanism of the insulation contact box further includes the rear column for being fixed at insulation contact box rear end, connection
The side shield of column and rear column, be fixedly connected with the side shield supporting the insulation contact box horizontal part
Bottom support bar, and the bearing diagonal being fixedly connected with the vertical portion of the insulation contact box, the bearing diagonal are included with touching
The side connecting plate that the vertical portion of head cartridge is fixedly connected, both ends are bolted to connection with the side connecting plate and column respectively
Oblique connecting rods.
The two support arm lower ends are locked from its separated retaining mechanism, the support arm lower end be provided with
The matched sliding block in bottom rail road is to realize the support arm lower end being slidably matched with respect to bottom rail road, the retaining mechanism
Including being fixed on the sliding block and the strip ratchet of direction along ng a path extension, the rotatable fixation of opposite brackets and with institute
The corresponding spine of ratchet stated refers to, and the spine can be driven to refer to synchronous outwardly or inwardly overturn so that it keeps or disengaging and spine
The control lever of tooth contact.
The retaining mechanism includes the swingle along the bottom orbital direction extension, is arranged on the swingle
At least a pair of of tight lock part, locking or release of the tight lock part to support arm lower end can be realized by rotating the swingle.
The sector gear includes the big pitch radius sector gear being coaxially disposed and small pitch radius sector gear, preceding
Door-plate and Rear Door respectively with the rack of big pitch radius sector gear and the engagement connection of small pitch radius sector gear and corresponding
Be fixedly connected to realize asynchronous driving in the same direction, the guide groove includes front slide section and middle linkage section, in set bar
Action component can drive sector gear to rotate when linking section in centre, sector gear cannot be driven to rotate in advancing slip moved end, institute
Shifting is provided between stent respectively on the inside of front door and the Rear Door horizontal translation driven stated, the front door and Rear Door
Supporting mechanism is moved, is propped up on the side connecting plate medial surface formed with multigroup be oriented to corresponding with described front door and Rear Door
Support groove.
The front door and the driving mechanism of Rear Door include connecting with described the fixing with front door or Rear Door of difference
Connect or be integrally formed and along moving direction extend rack, be correspondingly arranged with the rack and different-diameter or with two teeth
Bar meshed gears, and the rotating drive division of gear that driving is described at the same time.
The linkage mechanism include be slidably disposed on vertical beam and with the active rack of the pushing block phase separation,
The linkage rack for being slidably disposed on vertical beam and being sequentially connected with the active rack by idler gear, and set
Resetting-mechanism at the top of linkage rack between vertical beam, the mandril are fixedly connected with the linkage rack.
The linkage mechanism include can opposite vertical beam slide or rotation and with active sliding block, with the active sliding block
The catenating slider being sequentially connected by chain, transmission rope or push rod, the mandril are fixedly connected with the catenating slider.
The turntable being connected with the spindle drive is set on executing agency's lateral surface, and the pushing block passes through
Rail slider mechanism is arranged in the executing agency, and the pushing block is connected with turntable by link transmission, and the pushing block is used
Corresponding executing agency is locked to promote the linkage mechanism of the mechanical chain mechanism.
Be provided with limiting section in the front end of the supporting plate or side, the trailing flank of the limiting section for upper side edge to
The inclined-plane of preceding protrusion, on the handcart formed with the matched docking section of limiting section, the front side of the docking section
Face is slope surface corresponding with the inclined-plane, and the limiting section is connected directly by conducting wire and earth point.
Compared with prior art, the beneficial effects of the invention are as follows：
The present invention is rational in infrastructure in view of the shortcomings of the prior art, invent a kind of withdraw-type integration automatic conversion electric elements,
Using modularized design, executing agency is arranged on liftable supporting plate by withdraw-type vacuumizing mechanism, is taken full advantage of
Height space, simplifies actuating mechanism, the front door and Rear Door that the present invention is set using mobile and time interval is led to, use
The front and rear form stacked, effectively saves the design space of valve, realizes that driving mechanism minimizes, rational in infrastructure, utilizes front door
The action control translated with Rear Door by handcart intermittent driving, realizes that through hole is corresponding overlapping or staggers, security is effectively ensured,
Realize succinct, reliable in action.The present invention by busbar integral coating inside insulator, using insulator to busbar realize positioning and
Insulation, improves safety in utilization, and busbar is directly connected to end of incoming cables and leading-out terminal, be such as integrally formed with the busbar or
It is welded to connect, reduces and be threadedly coupled, reduce the insulation processing difficulty of junction, especially connects busbar and end of incoming cables and leading-out terminal
Poured into a mould after connecing, it is natural that junction is screened wherein, post-processing difficulty is reduced, improves reliability.
Brief description of the drawings
Fig. 1 show the dual power supply front view of the present invention；
Fig. 2 show the dual power supply side view of the present invention；
Fig. 3 show the structure schematic side view of the busbar integral type insulation contact box of the present invention；
Fig. 4 show the schematic perspective view of the structure of the busbar integral type insulation contact box of the present invention；
Fig. 5 show front door plate structure schematic diagram；
Fig. 6 show valve mechanism side view；
Fig. 7 show the structure diagram of the elevating mechanism of the present invention；
Fig. 8 show the side structure schematic view shown in Fig. 1；
The action schematic diagram that Fig. 9 show ratchet and spine refers to；
Figure 10 show limiting section and docking section structural representation.
Figure 11 show the knot of executing agency's off-state on the left of the mechanical chain mechanism of the dual power supply device of the present invention
Structure schematic diagram.
Figure 12 show the knot of executing agency's combined floodgate state on the left of the mechanical chain mechanism of the dual power supply device of the present invention
Structure schematic diagram.
Figure 13 show the linkage mechanism schematic diagram of supporting plate and sector gear.
Figure 14 show the A portions close-up schematic view shown in Fig. 8,
Figure 15 show the B portions close-up schematic view shown in Fig. 8.
Embodiment
The present invention is described in further detail below in conjunction with the drawings and specific embodiments.It is it should be appreciated that described herein
Specific embodiment only to explain the present invention, be not intended to limit the present invention.
As shown in figures 1-15, a kind of dual-power transfer switch of the invention, including middle part are provided with the stent 1 of vertical beam 11,
Corresponding two busbar integral type insulation contact boxes for being fixed at both sides, are arranged on the elevating mechanism of stent both sides two, set
On the supporting plate of the elevating mechanism and multiple side line-outgoing type poles 70 and the handcart of executing agency are carried, move folding
Formula high-voltage isulation valve, and it is used for realization two groups of chain mechanical interlock mechanisms of Liang Ge executing agencies；The busbar one
Formula insulation contact box includes three interval Boulezs and insulated body coats busbar 81,82,83 therein, is correspondingly arranged at institute respectively
The end of incoming cables 84 exposed in the self-insulating body in the busbar both ends stated and outer end and leading-out terminal 85, and corresponding with the end of incoming cables set
Put and be integrally formed or be fixedly connected with the insulator correspondingly with the side outlet pole, such as the contact of bonding
Box 86；Leading-out terminal exposes the bulk outside insulator for outer end face, is provided with to the connecting hole with cable connection, described
End of incoming cables 84 be similarly and expose outside insulator and extend the tabular of preset distance to be used as static contact to realize electricity with moving contact
Connection.Wherein, the insulator is glass fibre or epoxy resin or other insulating materials, busbar and the insulator one
Body pours or other modes carry out clad type processing.
The elevating mechanism includes the supporting plate 2 of driven 1 vertical lifting of opposite brackets, is hinged on two of middle part below supporting plate
A support arm 3 in splayed Boulez, the bottom for being connected with 3 lower end of support arm and being fixedly connected with the horizontal part 12 of stent
Track 13, and the two support arm lower ends are locked from its separated retaining mechanism.Support arm lower end and bottom rail road
Cooperation can use various ways, the cooperation of such as embedded roller and groove, and achievable support arm lower end is with respect to bottom rail road along its axis
To movement.
Wherein, the support arm lower end is provided with the matched sliding block 31 in the bottom rail road to realize under the support arm
The opposite bottom rail road in end is slidably matched, and if bottom rail road be slide, support arm lower end is hinged with the matched sliding block of slide, utilization
The mating connection of bottom rail road and support arm lower end, when supporting plate lift, two support arm lower ends relative to reverse sync movement, that is, close up or
Separate, lower end locking can be ensured that blade position does not change using retaining mechanism when rising to predetermined altitude.
It is arranged on the supporting plate and carries multiple side line-outgoing type poles and the handcart of executing agency, by executing agency
It is arranged on liftable supporting plate, while is the operation of guiding handcart, walking trough 21 is provided with the supporting plate.Fully profit
With height remaining space, the requirement of cabinet longitudinal direction depth is effectively reduced, its environmental suitability is improved, simplifies actuating mechanism,
Moreover, be that executing agency and its linkage from top to bottom, the executing agency are fixed on handcart when ensureing supporting plate lifting,
The supporting plate both sides or end set have limiting section 40, in the dual-power transfer switch power supply unit using by proximal operator side as
Afterwards, using away from fore side, before, the trailing flank of the limiting section is the inclined-plane that upper side edge protrudes forward, shape on the handcart
The matched docking section 50 of limiting section described in Cheng Youyu, the leading flank of the docking section is slope corresponding with the inclined-plane
Face.I.e. limiting section and docking section are formed formed with the mechanism plugged while effectively realizing and be accurately positioned on vertical plane
Related interference, you can pull downward on handcart and move downward simultaneously, the fluency of raising action, meanwhile, supporting plate limiting section conducting wire
It is connected directly with the earth point of elevating mechanism, meets ground protection requirement, it is ensured that processing safety.
The driven in translation formula protection mechanism includes being fixed at the supporting plate side and horizontal-extending linkage
Pin, is rotatably fixed the sector gear for being arranged on stent and being provided with the matched guide groove of the set bar,
And connection and the rack being fixedly connected with insulation valve are engaged with the sector gear,
It is described be translated apart box-like insulation valve 100 include being arranged in parallel and it is driven when it is asynchronous in the same direction or reversely same
The front door 91 and Rear Door 92 of translation are walked, is respectively arranged with the front door and Rear Door and main bus-bar and busbar ranking
Through hole 93 that is corresponding and allowing contact to pass through is put, wherein, the front door and Rear Door are in integrally zigzag structure, are wrapped respectively
The L-type side plate for including head slab and being integrally formed or be fixedly connected with the head slab, being provided with head slab can
Matching allows the through hole walked for contacting first 71 of side line-outgoing type pole upper end, is led to contact the contact box 94 of head and main bus-bar
On-off is opened, L-type through hole is provided with L-type side plate be correspondingly arranged at 73 end of tilting section and with the contact box of bus bar 90
The action of corresponding lower contact 72, the stroke of L-type side plate is realized using L-type through hole.Front door and Rear Door regard specific operating mode
The translation of any direction can be carried out, is horizontally or vertically translatable Ru driven.When needing to connect, that is, contact first 71 and main bus-bar
Contact box 94 turn on, the conducting of the contact box of lower contact 72 and bus bar 90 when, i.e., pole and main bus-bar and busbar on supporting plate
During row's conducting, the front door and Rear Door of the side are driven positioned at the position of through hole correspondence, contact head on pole at this time
The through hole of overlapping state on front door and Rear Door is passed through to be connected with main bus-bar or with bus bar with lower contact, when needing to disconnect,
When contacting head with main bus-bar disconnection, lower contact and bus bar disconnection, the front door and Rear Door movement driven are with general
Through hole, which staggers, realizes the closing in space residing for main bus-bar and bus bar, i.e., the through hole on two plate of front door and Rear Door is staggered sets
Put and effectively formed the completely masking to main bus-bar and bus bar connecting pin.The front door and Rear Door are interval
Set, the front door and Rear Door are stainless steel plate body or insulation board.
Wherein, the side line-outgoing type pole can be used disclosed in Chinese patent CN106024499A, do not repeated again herein.
Mechanical chain mechanism include slidably or be rotatably arranged in one of executing agency and with its main shaft or
Operating mechanism or the pushing block of main contact linkage；The linkage mechanism being arranged on vertical beam, the linkage mechanism are included with moving
Ground is arranged on vertical beam and with the initiative part of the pushing block phase separation, the linkage portion being sequentially connected with the initiative part；With
The linkage portion can interfere and be vertically situated at the mandril of actuator top, the mandril and the executing agency
Between be provided with resetting spring and lower end be inserted into when being acted on by linkage portion inside and locked.The position that mandril locks is execution
The connecting rod rear portion of mechanism shaft, the rotational action of connecting rod, effectively prevents executing agency by false touch when preventing to press key pressing.Using connection
Dynamic portion presses down on the mandril, and action control is more smooth.
Busbar integral coating inside insulator, is realized busbar positioning and insulation using insulator, is improved by the present invention
Safety in utilization, and busbar is directly connected to end of incoming cables and leading-out terminal, is such as integrally formed or is welded to connect with the busbar,
Reduce and be threadedly coupled, reduce the insulation processing difficulty of junction, after especially busbar is connected with end of incoming cables and leading-out terminal into
Row cast, it is natural that junction is screened wherein, post-processing difficulty is reduced, improves reliability.The present invention sets executing agency
On liftable supporting plate, take full advantage of height space, simplify actuating mechanism, the present invention using lead to it is mobile and front and rear between
Every the front door and Rear Door of setting, using the front and rear form stacked, the design space of valve is effectively saved, realizes driving mechanism
Miniaturization, rational in infrastructure, the action control translated using front door and Rear Door by handcart intermittent driving, realizes that through hole is corresponding
It is overlapping or stagger, security is effectively ensured, realizes succinct, reliable in action.
Executing agency is arranged on liftable supporting plate by the present invention, takes full advantage of height space, simplifies action machine
Structure, moreover, using the linkage of elevating mechanism and front door and Rear Door, realizes the synchronous drive of front door and Rear Door to be driven
It is dynamic, easy to integral design, it has been improved particularly safety in utilization.The front door set using movement in the same direction and time interval is with after
Door-plate, using the front and rear form for stacking and being translatable, effectively saves the design space of valve, realizes miniaturization, rational in infrastructure, utilizes
Front door and Rear Door nonsynchronous action control in the same direction, realize that through hole is corresponding overlapping or staggers, security are effectively ensured, real
It is now succinct, reliable in action.
Specifically, the insulator includes end of incoming cables 810 that is corresponding with end of incoming cables and leading-out terminal and being in angle and goes out
Line end 820.The angle is acute angle, right angle or the straight angle, and the shape of busbar and insulator can be any adaptation shape to improve
Its live adaptability.
By taking 820 Boulez at a right angle of end of incoming cables 810 and leading-out terminal as an example, the width of the leading-out terminal 820 is more than described
The width of end of incoming cables and in both sides formed with climbing electric wall 821, the leading-out terminal 85 is arranged on two and climbs connection panel between electric wall
Be correspondingly arranged on 822, on the connection panel on step surface formed with step or inclined face, the leading-out terminal or
In person's inclined plane.
Using the larger leading-out terminal of width and in both sides, electric wall is climbed in setting, while improving insulating properties, because increasing out
The installation space of line end, easy to be electrically connected with cable when, operate, and improve ease of use.The especially setting of step, from lower and
On successively forward prominent step subsequently to provide larger operating space and adaptability with the installation of cable.Meanwhile to improve
The insulating properties of three busbars of bending part, the busbar 83 of inner side bend inwards in step-like, and middle 82 bending part of busbar is inclined
Set, the busbar 81 in outside is right-angle bending, and three is engaged, and while ensureing insulation distance between any two, reduces overall body
Product.
Specifically, it is to be touched with the location and installation in cabinet, the supporting mechanism of insulation contact box including being fixed at insulation
The column 900 of head cartridge bending part, is fixed at the rear column of insulation contact box rear end, connects the side shield of column and rear column
930, be fixedly connected with the side shield supporting the bottom support bar of the insulation contact box horizontal part, and with institute
The bearing diagonal 910 that the vertical portion for the insulation contact box stated is fixedly connected, the bearing diagonal include consolidating with the vertical portion of contact box
Surely the side connecting plate connected, the oblique connecting rods that both ends are bolted to connection with the side connecting plate and column respectively.Together
When in insulator installation side corresponding with column or bottom support bar formed with corresponding with the frame body of positioning framework embedding
Groove 87, using the cooperation of caulking groove, inner side plane is opposed flattened after can guarantee that installation, reduces space hold, meanwhile, described exhausted
Fixed installation holes is fixedly installed on edge body to be bolted with positioning framework.Supported using bending part, horizontal part is by bottom branch
Stay, by bearing diagonal, being evenly distributed with for each point force, reduces the deformation of contact box for vertical portion, and caused by avoiding cage stent
Situations such as eddy-current heating, ensure Electrical Safety.
Meanwhile to ensure the movement of insulation valve, the column determines portion formed with avoidance mouth, while in the avoidance
Guide support groove is provided with the internal face of mouth to be oriented to the insulation valve, i.e., the movement of preceding valve and rear valve.
Preferably, fluted 88 are formed between the open side of two adjacent contact boxs, in the bottom surface of groove
On be provided with connection bolt, designed using groove type, increase creepage distance, reduce the depth of contact box.It is meanwhile big to coordinate
The contact box of depth, formed with gap 89 so as to the moving contact of pole on the side with pole of the contact mouth open side
It is inserted into and is electrically connected therewith.The contact box outer surfac covering layer of conductive material or semi-conducting material are resisted with improving electromagnetism
Interference, reduction moving contact and static contact electromagnetic interference external when being switched on or switched off.
Specifically, the lifting coordinated type valve arrangement is used for dual power supply device, is set respectively on supporting plate
There is executing agency etc., the executing agency is such as breaker to connect or disconnect the connection with main bus-bar, meanwhile,
To strengthen support strength, the supporting plate and driving beam vertical portion are L-type, while set reinforcing plate in lower part setting or both sides
To improve bearing capacity, ensure stability and intensity.
Preferably, to ensure the reliability on inclined-plane and slope surface contact conduction, on the inclined-plane formed with cavity, described
Cavity in be provided with conductive plate 42, the conductive plate back is provided with spring 41 to be held.The conductive plate two
Guiding mechanism is provided between side and limiting section, such as links earhole and coordinates with pin.The conduct that can make that holds of contact spring is touched
The conductive plate of head can be protruded from outside inclined-plane and can also flushed with inclined-plane, and such normal condition lower inclined plane and slope surface can keep good
Conductive contact, when occur vibrations, tilt when accident when, if gap etc. occur in limiting section and docking section, by the top of spring
Hold and remain to keep conducting between limiting section and docking section and the contact resistance with very little, can guarantee that effective grounding.
Wherein, to realize the lifting of supporting plate, the driving mechanism of the supporting plate 2 includes drive rod 4, with the drive rod
The variable-speed motor 5 of drive connection, such as worm and gear, the elevating screw 6 being sequentially connected with the output shaft of the variable-speed motor, sets thereon
It is equipped with the driving beam 20 with the matched lifting nut of the elevating screw, and corresponding is arranged between driving beam and stent
Guiding mechanism, the drive rod drives by handwheel or motor, and the drive rod can be horizontally disposed with or be vertically arranged,
That supporting plate is realized using drive rod combination variable-speed motor and with elevating screw and lifting nut stablizes rising, the guiding
Mechanism is the guide rail slide block mechanism being arranged between the driving beam and the stent, is provided using straight line rail high-precision
The guiding of degree, ensures traveling comfort.
Wherein, the foldings of two sliding blocks also is directly driven to realize the lifting of supporting plate using leadscrew-nut mechanism, when adopting
When directly driving two support arm lower ends with leadscrew-nut mechanism, the leading screw is left-right turning screw rod, so can both realize two
The incorgruous action of synchronization of support arm lower end, and left-right turning screw rod has more preferable self-locking effect, improves bearing stability.
The wherein described supporting plate is fixedly connected with the driving beam, and the driving beam is L-type, its bottom sides protrudes
There is horizontal platform, the lifting nut is fixed on the horizontal platform.Beam is driven using L-type, bearing capacity is strong, drives horizontal on beam
To installation supporting plate, ensure stability and intensity
As a preferred solution, further include the two support arm lower ends are locked from its separated locking machine
Structure, it includes being fixed at the strip ratchet 14 that on the sliding block and direction along ng a path extends, and opposite brackets are rotatable solid
Spine fixed and corresponding with the ratchet refers to 32, and the spine can be driven to refer to synchronous outwardly or inwardly overturn so that it keeps
Or depart from the control lever 33 contacted with ratchet.The cooperation that spine refers to ratchet is realized pins support arm in real time when elevating mechanism rises, i.e.,
Spine refers to forms an one-way locking mechanism with ratchet.The spine refers to ratch mechanism and is similar to ratchet ratchet, and spine of the invention refers to equivalent
Ratchet in ratchet ratchet, the present invention in ratchet be equivalent in ratchet ratchet straight line expansion after ratchet.
Specifically, using carriage center as inner side, both ends are outside, by ratchet be located at spine refer to top exemplified by carry out it is exemplary
Illustrate, the lateral surface of the tooth of the ratchet is facade or introversion face, i.e. lateral surface upper end tilts inwardly, and medial surface is arc
Face or slope surface.The medial surface that spine refers to for slope surface or cambered surface to decline when ratchet tooth it is inswept from it, lateral surface and ratchet
Tooth is corresponding to be inserted between cog, and the lateral surface that such as spine refers to is plane, meanwhile, spine refers to is arranged on stent by shaft
On, spine refers to is provided with the elastic mechanisms such as wind spring to keep it to be contacted with the fitting of the lateral surface of the tooth of ratchet between stent.Ratchet
Length no more than support arm relative orbit stroke so as to end positions spine refer to rotation reset, using can play whole process protection as
Preferably, it is of course also possible to use a half or thirds end stroke, is protected simultaneously to be provided in peak or neighbouring peak
Locking.Preferably, it is respectively formed with ratchet on the outside of the root portion of outermost ratchet and most on the inside of the root portion of inner side ratchet
Arc recess rotates so that spine refers to.
That is, when the setting position that spine refers to is lifts extreme higher position, centered on track middle part, the outermost end of two ratchets
Tooth just refers to holding engagement with spine, and the wind spring between ratchet and stent ensures that both effectively contact fitting, realizes firm support.At the same time
Can be effectively ensured can so realize that ratchet is flipped outward when drive rod drives, and contact is released easy to decline, to realize control lever
Driving spine refers to synchronous flip-over, the spine described in two refer to it is upper it is corresponding be respectively arranged with elongated slot in the upper and lower part of shaft,
The control lever passes through driving lever and the elongated slot links, you can realizes that control lever refers to spine synchronously inwardly or synchronous outside
Control is rotated, meanwhile, it is additionally provided between control lever and stent and is oriented to storehouse, resetting spring is provided between storehouse is oriented to, is so protected
Card resets rapid.
The supporting plate of the present invention is in lifting process, and ratchet is moved with the matched sliding block 31 in bottom rail road, with the matched spine of ratchet
Finger, which is rotatably fixed, to be arranged on 13 side of bottom rail road and keeps interfering with ratchet, and ratchet refers to spine realizes real-time self-locking, ensures
The supporting role of the support arm 3 of splayed Boulez in lifting process.After supporting plate is giving rise to appropriate location, retaining mechanism acts simultaneously
Two support arms are locked from it to separate, retaining mechanism, ratchet, spine refer to realization locking duplicate protection.It is in splayed using two
The support arm of Boulez is supported supporting plate, and the pressure of effectively slow lift drive mechanism, support force is strong and stablizes, while guarantee will not
It is subjected to displacement, big short circuit current flow occurs or for there is the occasion of vibrations to ensure that support absolute stability is reliable.
Referred to using ratchet spine realize real-time lock while, the retaining mechanism is included along the bottom orbital direction
The swingle of extension, at least a pair of rod-shaped or block tight lock part being arranged on the swingle, rotates the swingle
Locking or release of the tight lock part to support arm lower end can be achieved.The swingle may be provided under the side or middle part in bottom rail road
Side, directly unscrews swingle when supporting plate vertical direction move, when supporting plate runs to precalculated position, by swingle cycle, general
The lower end of two support arms is confined among two tight lock parts, that is, forms stable spacing, and can effectively solve feed screw nut is having shake
When dynamic cannot good self-locking situation.And by the setting of multipair tight lock part, then realization can be fixed on to any setting height position
Put, easy to field maintenance or renewal part etc..
The driven in translation formula protection mechanism of the present invention includes the set bar 200 for being arranged on the supporting plate side, by turning
Axis 320 is rotatably fixed the sector for being arranged on stent and being provided with guide groove 310 matched with the set bar
Gear 300, and the rack 110 for engaging connection with the sector gear and being fixedly connected with being translated apart box-like insulation valve.
Wherein, the guide groove includes being connected and the front slide section of smooth transition and middle linkage section, links after preferably further including
Section, only when set bar is in middle linkage section, action component can drive sector gear to rotate.I.e. the concrete shape of guide groove with
The conducting element direction of motion and mobile size matching are, it can be achieved that any intermittent movement, the shape of guide groove can be L-type, linear
The either arbitrary shape such as camber line or various curves.
Wherein, front door and Rear Door can carry out the translation of any direction depending on specific operating mode, such as driven horizontal or perpendicular
Straight translation.
The present invention is designed using two sections of guide groove or multisection type, realizes the intermittent driving that supporting plate treats driving part,
There is provided translation power using the high-precision driving mechanism of sector gear plus rack, can effective in the opening process of valve, from
And space-efficient valve is saved, and realize miniaturization, it is rational in infrastructure, realize succinct, reliable in action.
Specifically, to realize above-mentioned driving, the sector gear includes the big pitch radius sector gear being coaxially disposed
With small pitch radius sector gear, front door and Rear Door respectively with big pitch radius sector gear and small pitch radius sector
The rack of wheel engagement connection is fixedly connected to realize asynchronous driving in the same direction with corresponding.Utilize the fan of two different pitch radius
Shape gear, realizes the different moved furthers in the same direction of front door and Rear Door, realizes respective driven in translation.
As another embodiment, the sides adjacent of the front door and Rear Door is provided with linkage rack,
The travelling gear simultaneously engaged is provided between the linkage rack, front door or Rear Door are provided with and the sector
The rack of gear engagement connection., then will be another using one group of sector gear and the one of front door of rack drives or Rear Door
One door-plate links therewith, it can be achieved that movement displaying larger in small stroke, carries for different types of movable translation mode
, can be using the closure designs that stagger for the not high occasion of small space voltage for basis.
Specifically, to reduce the friction of set bar and guide groove, the set bar can be rotatably set in the support
On plate or the set bar and the guide groove contact site are provided with the axle sleeve that can be rotated to it, i.e., by guide groove and
Opposite slide between set bar is converted into rolling, safety action fluency.
The front door and Rear Door that the present invention is set using mobile and time interval is led to, using the front and rear form stacked,
The design space of valve is effectively saved, realizes miniaturization, it is rational in infrastructure, it is asynchronous or anti-in the same direction using front door and Rear Door
To synchronous or reversely asynchronous action control, realize that through hole is corresponding overlapping or staggers, security is effectively ensured, realize letter
It is clean, reliable in action.
Preferably, it is the mobility that improves front door and Rear Door, the front door and Rear Door are respectively between stent
It is provided with mobile supporting mechanism.As shown in the figure, the mobile supporting mechanism includes fixing with the front door or Rear Door
The slide 96 of connection, is arranged in correspondence with the multiple deflector rolls or guide wheel 98 set on the vertical beam 11 of stent 1 and in two rows, described
Deflector roll or guide wheel by slide clamping position wherein.By taking front door and rear panel move horizontally as an example, the deflector roll or guide wheel pair
Should be arranged on the both sides up and down of slide, while be provided with the lower planes of slide corresponding with the deflector roll or guide wheel 98
Guide groove, using two groups of rotatable deflector rolls or guide wheel by guide rail clamping position, utilize the embedding of guide groove and deflector roll or guide wheel
Box-like guiding, positioning, realize for its movement and are oriented to and constrain, and support effect is good and mobile steady, effectively meets the normal of equipment
Operation.
Certainly, to realize the translation of front door and Rear Door, also using guide rail slide block mechanism, the i.e. mobile support
Mechanism includes the line slideway being fixed on the stent, is accordingly fixedly connected with the front door or Rear Door
And with the matched multiple sliding blocks of line slideway.Meanwhile formed on 890 medial surface of side connecting plate of supports insulative contact box
There is multigroup guide support groove corresponding with described front door and Rear Door.Front door and Rear Door are designed as both sides branch
The structure being oriented to is supportted, its mobility and stability are further lifted.
Preferably, it is the smart of the preceding valve of raising and rear valve, exemplified by former valve, the preceding valve includes level
Plate and inverted L shape plate, with being provided with guide rail slide block structure at the top of the side connecting plate, described falls in the outside of the level board
The upper end of L-type plate is fixedly connected with level board, and lower end can be slidingly back and forth in the guide support groove, the level
Support guide is used as in the inner of plate by track roller, using the combination of three kinds of guidance modes, effectively increases movement
Flexibility and controllability.
It is specifically as follows using step,
1) supporting plate is located at lowest order, promotes handcart it is advanced forward along supporting plate, until limiting section is spacing simultaneously by docking section
Handcart is locked with respect to supporting plate；The connection of bottom line is also completed at this time, while the releasing on inclined-plane ensures during up and down motion
Uniformity；
2) supporting plate is driven to rise, support arm lower end is synchronous to collapse along bottom rail road, and inswept spine refers to the tooth of ratchet one by one；Rising
Cheng Zhong, spine refers to provides lock support in real time with ratchet, and guarantee will not fall phenomenon etc.,
3) supporting plate rises to extreme higher position, stops driving, and spine refers to positioned at the outside of ratchet outermost tooth and holds out against, and rotates rotation
Bull stick is locked support arm lower end using tight lock part；Both double locking, improve locking stability,
4) when needing to fall, rotating swingle discharges tight lock part, while promotes control lever to refer to spine and be turned out releasing
With engaging for ratchet；Spine refers at this time will not occur any contact with ratchet,
5) driving supporting plate drops to low level, releases the locking of opposite supporting plate, pulls out handcart to carry out maintenance the behaviour such as maintenance
Make.
The dual power supply device of the present invention includes two or so spaced executing agencies, and is arranged on two and holds
Corresponded on vertical beam between row mechanism and with the Liang Zu mechanical chains mechanism of Liang Ge executing agencies interactions, Liang Zu mechanical chains mechanism
Ground is arranged on the side of Liang Ge executing agencies sides adjacent.The mechanical chain mechanism be used for middle-and-high voltage system in, it include can on
The pushing block 611 for being disposed therein to lower slider in an executing agency 61 and linking with its main shaft, can slide up and down to and be arranged on
On vertical beam and with the active rack 62 of the pushing block phase separation, can slide up and down to be arranged on vertical beam and with the active
The linkage rack 64 that rack 62 is sequentially connected by idler gear 63, can interfere and be vertically situated at the linkage portion and hold
Mandril 65 at the top of row mechanism, is provided with resetting spring between the mandril and the executing agency and lower end is by linkage portion
It is inserted into internal during effect and is locked.The reset machine that may also include and be arranged at the top of linkage rack between vertical beam 11 is driven at the same time
Structure, such as tension spring 66, two groups of mechanical interlocking machines are symmetrical set.The effect of the wherein described executing agency is to turn on and disconnects to lead back
Road, can be any corresponding component with this, such as breaker, the mandril and executing agency lock and control it not
It can carry out ON Action.
Wherein, the active rack of the Liang Zu mechanical chains mechanism and linkage rack are arranged on same solid with vertical beam 11
Surely connect inside and outside support plate 68 or be separately positioned on two support plates being fixedly connected respectively with vertical beam, two-way machinery is even
Lock is separate, and facility is safeguarded in installation, can individually pull down maintenance, with needing chain device for switching to divide as needed
From, do not influence major loop operation, effectively improve equipment safety in utilization.
Specifically, the pushing block has the coupled arm extended to below active rack, it can hold the active
Gear lower end makes it move upwards, and the linkage rack is vertically arranged executing agency by connecting arm-type linkage portion driving one
On mandril, mandril can be inserted directly into the executing agency and be locked, so as to fulfill the mechanical chain of executing agency.Wherein,
To realize that the action of the executing agency in master end exports, the pushing block links with its main shaft or operating mechanism or main contact, connection
Flowing mode can guide the running orbit of pushing block by modes such as turntable, connecting rods, while by mechanisms such as tracks, effectively carry
The fluency of height action output simultaneously ensures the execution of subsequent action.
Above-mentioned is a kind of embodiment using rack pinion as linkage mechanism, is linked to realize, as second
Embodiment, linkage mechanism includes to slide with respect to vertical beam or rotatable active sliding block, passes through chain with the active sliding block
The catenating slider that bar, transmission rope or push rod are sequentially connected, the mandril are fixedly connected with reality with catenating slider linking arm
Existing mandril vertically or horizontally moves.
As another embodiment, the linkage mechanism is transmission levers, and the initiative part and linkage portion are one
Body formula is split type.The mandril is fixedly connected to realize the movement of mandril with driven side, that is, linkage portion of transmission levers.
The mechanical chain mechanism of the present invention, it is adaptable outside executing agency, different model difference can be loaded on
The rotation of one actuating mechanism main shaft, is converted into pair by the executing agency of form using linkage mechanisms such as rack and pinion drive mechanisms
The driving of mandril, the i.e. feed motion of side executing agency make mandril inwardly retraction executing agency a and to be locked, such as insert
Enter, to the back of shaft linked block, to prevent the executing agency of opposite side from completing feed motion, when the executing agency disconnects, meeting
The constraint to the mandril is discharged, mandril resets, discharges the locking to the executing agency, realize Self-resetting upwards.The simple dimension of control
Shield facility.
Specifically, to realize up and down driving of the main axis to pushing block, on first executing agency's lateral surface
The turntable 612 being connected with the spindle drive is set, and the pushing block is arranged on the first execution machine by rail slider mechanism
On structure, the pushing block and turntable are sequentially connected by connecting rod 613.Driven using turntable plus link-type, larger push away can be obtained
Block stroke, easy to Spatial infrastructure, and can effectively realize self-locking by the setting of turntable and connecting rod hinge point, avoid because tension spring
Effect causes combined floodgate side to disconnect.
To realize the movement of active rack and driving rack, while reduce combined floodgate and the resistance of disconnection action, the master
Carry-over bar and linkage rack are arranged on support plate 68 by rail slider mechanism, and the idler gear can be rotatably set in institute
Engaged transmission, the support plate are fixedly connected with vertical beam at the same time on the support plate stated and with the active rack of both sides and linkage rack.
Rail slider mechanism makes its operation more steady reliable, reduces failure.
The above is only the preferred embodiment of the present invention, it is noted that for the common skill of the art
For art personnel, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications
Also it should be regarded as protection scope of the present invention.
Claims (10)
- A kind of 1. dual-power transfer switch, it is characterised in that includingMiddle part is provided with the stent of vertical beam,Two L-type busbar integral type insulation contact boxes for being respectively fixedly disposed at cradle top both sides, the support of insulation contact box Mechanism includes being fixed at the column of insulation contact box bending part,Be arranged on the elevating mechanism of the vertical beam both sides of stent, the elevating mechanism include can vertical lifting supporting plate, be hinged on Two support arms in splayed Boulez below supporting plate, the bottom for being connected with the support arm lower end and being fixedly connected with stent Track, and directly drive the supporting plate lifting or drive the ball screw type driving of the support arm lower end folding single Member, carries 3 side line-outgoing type poles, corresponding executing agency and carries its respectively on the supporting plate described in two Handcart,Driven in translation formula insulation valve protection mechanism, it includes being fixed at the supporting plate side and horizontal-extending linkage Pin, is rotatably fixed the sector gear for being arranged on stent and being provided with the matched guide groove of the set bar, And connection and the rack being fixedly connected with insulation valve are engaged with the sector gear,The insulation valve includes being arranged in parallel and by asynchronous or incorgruous in the same direction during the rack drives for being secured to connection The front door and Rear Door of translation, are respectively arranged with through hole corresponding with main bus-bar on the front door and Rear Door, are beating During open position, front door and Rear Door are driven positioned at the position of through hole correspondence, at closed position, the front door Driven asynchronous mobile in the same direction with Rear Door, the through hole of front door and Rear Door is staggered to be closed through hole using no hole site；Mechanical chain mechanism, it include slidably or be rotatably arranged in one of executing agency and with its main shaft or behaviour Make the pushing block of mechanism or main contact linkage；The linkage mechanism being arranged on vertical beam, the linkage mechanism include with movably It is arranged on vertical beam and with the initiative part of the pushing block phase separation, the linkage portion being sequentially connected with the initiative part；With institute The linkage portion stated can interfere and be vertically situated at the mandril of actuator top, between the mandril and the executing agency Be provided with resetting spring and lower end be inserted into when being acted on by linkage portion inside and locked.
- 2. dual-power transfer switch as claimed in claim 1, it is characterised in that the supporting mechanism of the insulation contact box is also Rear column including being fixed at insulation contact box rear end, connects the side shield of column and rear column, with the side shield Be fixedly connected supporting the bottom support bar of the insulation contact box horizontal part, it is and perpendicular with the insulation contact box The bearing diagonal that straight portion is fixedly connected, the bearing diagonal include the side connecting plate being fixedly connected with the vertical portion of contact box, both ends The oblique connecting rods being bolted to connection respectively with the side connecting plate and column.
- 3. dual-power transfer switch as claimed in claim 1, it is characterised in that anti-the two support arm lower ends to be locked Only its separated retaining mechanism, the support arm lower end are provided with the matched sliding block in bottom rail road to realize the branch Arm lower end is slidably matched with respect to bottom rail road, and the retaining mechanism includes being fixed on the sliding block and direction along ng a path The strip ratchet of extension, the rotatable fixation of opposite brackets and spine corresponding with the ratchet refer to, and can drive described Spine refers to synchronous outwardly or inwardly overturn so that it keeps or depart from the control lever contacted with ratchet.
- 4. dual-power transfer switch as claimed in claim 2, it is characterised in that the retaining mechanism is included along the bottom The swingle of orbital direction extension, at least a pair of of the tight lock part being arranged on the swingle, rotating the swingle can Realize locking or release of the tight lock part to support arm lower end.
- 5. dual-power transfer switch as claimed in claim 2, it is characterised in that the sector gear includes what is be coaxially disposed Big pitch radius sector gear and small pitch radius sector gear, front door and Rear Door respectively with big pitch radius sector gear It is fixedly connected with the rack of small pitch radius sector gear engagement connection with corresponding to realize asynchronous driving in the same direction, it is described Guide groove includes front slide section and middle linkage section, and when set bar is in middle linkage section, action component can drive sector gear Rotate, sector gear cannot be driven to rotate in advancing slip moved end, the front door and Rear Door horizontal translation driven are described Be provided with mobile supporting mechanism on the inside of front door and Rear Door between stent respectively, on the side connecting plate medial surface formed with Multigroup guide support groove corresponding with described front door and Rear Door.
- 6. dual-power transfer switch as claimed in claim 1, it is characterised in that the front door and the driving machine of Rear Door Structure include with respectively it is described be fixedly connected or be integrally formed with front door or Rear Door and along moving direction extend rack, with The rack be correspondingly arranged and different-diameter or with two racks meshed gears, and the gear rotation that driving is described at the same time The drive division turned.
- 7. dual-power transfer switch as claimed in claim 1, it is characterised in that the linkage mechanism includes slideably setting Put on vertical beam and with the active rack of the pushing block phase separation, be slidably disposed on vertical beam and with the driving tooth The linkage rack that bar is sequentially connected by idler gear, and it is arranged on the resetting-mechanism at the top of linkage rack between vertical beam, institute The mandril stated is fixedly connected with the linkage rack.
- 8. dual-power transfer switch as claimed in claim 1, it is characterised in that the linkage mechanism includes can be with respect to vertical beam Slide or rotate and with active sliding block, the linkage being sequentially connected with the active sliding block by chain, transmission rope or push rod Sliding block, the mandril are fixedly connected with the catenating slider.
- 9. dual-power transfer switch as claimed in claim 1, it is characterised in that set on executing agency's lateral surface The turntable being connected with the spindle drive, the pushing block is arranged in the executing agency by rail slider mechanism, described Pushing block connected with turntable by link transmission, the pushing block is promoting the linkage mechanism of the mechanical chain mechanism to lock Dead corresponding executing agency.
- 10. dual-power transfer switch as claimed in claim 1, it is characterised in that in the front end of the supporting plate or side Be provided with limiting section, the trailing flank of the limiting section is the inclined-plane that upper side edge protrudes forward, on the handcart formed with The matched docking section of the limiting section, the leading flank of the docking section is slope surface corresponding with the inclined-plane, described Limiting section is connected directly by conducting wire and earth point.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710184189.8A CN107959343B (en) | 2017-03-24 | 2017-03-24 | Dual-power transfer switch |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710184189.8A CN107959343B (en) | 2017-03-24 | 2017-03-24 | Dual-power transfer switch |
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| Publication Number | Publication Date |
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| CN107959343A true CN107959343A (en) | 2018-04-24 |
| CN107959343B CN107959343B (en) | 2024-03-08 |
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| CN201710184189.8A Active CN107959343B (en) | 2017-03-24 | 2017-03-24 | Dual-power transfer switch |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107959343B (en) * | 2017-03-24 | 2024-03-08 | 天津市先智电气设备有限公司 | Dual-power transfer switch |
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