CN106252120A - Dual-power transfer switch - Google Patents
Dual-power transfer switch Download PDFInfo
- Publication number
- CN106252120A CN106252120A CN201510593671.8A CN201510593671A CN106252120A CN 106252120 A CN106252120 A CN 106252120A CN 201510593671 A CN201510593671 A CN 201510593671A CN 106252120 A CN106252120 A CN 106252120A
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- Prior art keywords
- switch
- neutral
- phase
- neutral switch
- phase line
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/20—Interlocking, locking, or latching mechanisms
- H01H9/26—Interlocking, locking, or latching mechanisms for interlocking two or more switches
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
- Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
Abstract
The application relates to dual-power transfer switch, and it includes load-side phase line pole, the first phase wiretap, the second phase wiretap, load-side neutral pole, the first neutral switch and the second neutral switch.When the first phase wiretap and the second phase wiretap are turned off, at least one conducting of first neutral switch and the second neutral switch, when second source starts to power, the conducting of the second neutral switch is prior to the conducting of the second phase wiretap, moment before the second phase line switch conduction, first neutral switch cut-off, and when the first power supply starts to power, the conducting of the first neutral switch is prior to the conducting of described first phase wiretap, and the moment before the first phase line switch conduction, the second neutral switch cut-off.It is suitably applied the occasion strict to continuous power reguirements.
Description
Technical field
The application designs dual-power transfer switch, and the dual power supply conversion particularly relating to overlapping neutral is opened
Close.
Background technology
Dual-power transfer switch is to answer the successional requirement of supply of electric power to be born.Along with people are to confession
Electric continuity, safety, the requirement of reliability deepen continuously, and the application of dual-power transfer switch is increasingly
Extensively.The important public place concentrated such as hotel, this kind of personnel of theater, owing to interruption of power supply will result in order
Sequence is chaotic, even jeopardizes the life security of guest.Relevant industries standard specifies that its distribution system must have
Emergency power supply is powered.And for example data center, the disappearance of supply voltage means the loss of data.People use
Dual-power transfer switch and UPS uninterrupted power source associating power supply are to ensure its seriality powered.But,
Owing to, in the transformation process of power supply, the neutral conductor is the same with other phase line has a temporary transient disconnection, this
The fluctuation of voltage is set by causing part electricity consumption and thereby results in impact and loss.As at ATSE and UPS
In the application of data center's uninterrupted power source of associating power supply, the disconnection in short-term of the neutral conductor makes UPS zero ground
Voltage raises and causes Server Restart, causes the serious consequence such as loss of data or server damage.Reliably
Overlapping neutral switching by being that everybody is extremely concerned about and urgently, i.e. as from conventional power supply (stand-by power supply)
An overlapping neutral time long as far as possible is had also in the transformation process of stand-by power supply (conventional power supply)
When EOC, reliable fast shut-off commonly uses power supply (stand-by power supply) neutral conductor.
Phase line pole is different with neutral pole structure, causes phase line from converted to second source of the first power supply
Cheng Zhong, the while that neutral pole not having all the time, the neutral conductor with this two power supply disconnects.Wherein, moment exists and this
The situation that the neutral conductor of two power supplys is simultaneously connected with.
The permutator of non-neutral line overlap structure, its phase line pole is basically identical with neutral pole structure, in phase
Line is from the first power supply to the transformation process of second source, from the first power supply to second source while of the neutral conductor
Conversion, and there is, at transformation process, the situation that the neutral pole neutral conductor in short-term with this two power supply simultaneously switches off.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of overlapping neutral type dual-power transfer switch, and
And ensure when the first phase wiretap and the second phase wiretap are turned off by machinery means, first neutral conductor
At least one conducting of switch and the second neutral switch, when second source starts to power, second is neutral
The conducting of wiretap is prior to the conducting of the second phase wiretap, and the moment before the second phase line switch conduction,
First neutral switch cut-off, and when the first power supply starts to power, the conducting of the first neutral switch
Prior to the conducting of the first phase wiretap, and the moment before the first phase line switch conduction, second neutral conductor
Switch cut-off.
According to the disclosure, the dual-power transfer switch provided includes: load-side phase line pole, its one end with
Load phase electrically connects；First phase wiretap, its one end electrically connects with the other end of load-side phase line pole,
And selectively turn on or end the first phase line pole；Second phase wiretap, its one end and load-side phase line
The other end electrical connection of pole, and selectively turn on or end the second phase line pole；Load-side neutral pole,
Its one end electrically connects with load neutral line；First neutral switch, its one end is another with load-side neutral pole
One end electrically connects, and selectively turns on or end the first neutral pole；And second neutral switch,
Its one end electrically connects with the other end of load-side neutral pole, and selectively turns on or end the second neutrality
Pole, wherein when the first phase wiretap and the second phase wiretap are turned off, the first neutral switch and second
At least one conducting of neutral switch, wherein when second source starts to power, the second neutral switch
Conducting prior to the conducting of the second phase wiretap, and moment before the second phase line switch conduction, in first
Property wiretap cut-off, and wherein when the first power supply starts to power, the conducting of the first neutral switch is first
In the conducting of the first phase wiretap, and the moment before the first phase line switch conduction, second neutral conductor is opened
Close cut-off.
According to embodiment of the disclosure, the first neutral switch and the second neutral switch are relative to load-side
Neutral pole is oppositely arranged, and the first neutral switch includes: the first main shaft, in primary importance and the second position
Between pivotably, and position in primary importance and the second position, and include be secured to connect first
Neutral switch connecting lever；First neutral switch hinge；First neutral switch moving contact rack, one
Hold to there is the first neutral switch moving contact and there is the first neutral switch moving contact back-moving spring and be connected,
First neutral switch moving contact electrically connects with load-side neutral pole, and intermediate portion is opened with first neutral conductor
Close hinge pivotable connection；Second neutral switch includes: the second main shaft, at primary importance and second
Between putting pivotably, and position in primary importance and the second position, and include being secured to connecting the
Two neutral switch connecting levers；Second neutral switch hinge, the second neutral switch moving contact rack, its
One end has the second neutral switch moving contact and has the second neutral switch moving contact back-moving spring phase
Even, the second neutral switch moving contact electrically connects with load-side neutral pole, and intermediate portion is neutral with second
Wiretap hinge pivotable connection；Wherein the second main shaft is when primary importance turns to the second position, and second
The other end of neutral switch connecting lever sliding contact the first neutral switch moving contact rack, so that in first
Property wiretap moving contact rack about first neutral switch hinge pivot and end the first neutral switch
Electrical connection between moving contact and the first neutral switch static contact, and the second main shaft turns from the second position
When moving primary importance, the second neutral switch connecting lever slides and departs from the first neutral switch moving contact rack
The other end so that the first neutral switch moving contact rack is at the first neutral switch moving contact reset bullet
Reversely pivot about the first neutral switch hinge under the effect of spring and turn on the first neutral switch and move tactile
Electrical connection between head and the first neutral switch static contact, and wherein the first main shaft turns from primary importance
When moving the second position, first neutral switch connecting lever sliding contact the second neutral switch moving contact rack
The other end so that the second neutral switch moving contact rack about second neutral switch hinge pivot and
End the electrical connection between the second neutral switch moving contact and the second neutral switch static contact, and
One main shaft is when the second position turns to primary importance, and the first neutral switch connecting lever slides and departs from second
Property wiretap moving contact rack the other end so that the second neutral switch moving contact rack is neutral second
Reversely pivot about the second neutral switch hinge under the effect of wiretap moving contact back-moving spring and turn on
Electrical connection between second neutral switch moving contact and the second neutral switch static contact.
According to embodiment of the disclosure, the first neutral switch connecting lever and the second neutral switch connecting lever include
Partial cam or shift fork.First neutral switch moving contact electrically connects and in second with load-side neutral pole
Property wiretap moving contact electrically connects with load-side neutral pole and includes flexible connection.
According to embodiment of the disclosure, the first neutral switch and the second neutral switch are relative to load-side
Neutral pole is oppositely arranged, and the first neutral switch includes: the first main shaft, in primary importance and the second position
Between pivotably, and position in primary importance and the second position, and include be secured to connect first
Neutral switch connecting lever；First neutral switch hinge, the first neutral switch moving contact rack, one
End has and its elastic the first neutral switch moving contact being connected, the other end and the first neutral switch hinge
Chain pivotable connection, the first neutral switch moving contact electrically connects with load-side neutral pole；First neutral conductor
Switch connecting rod, its one end and the first main shaft be hinged and its other end and the first neutral switch moving contact rack
One end hinged；First neutral switch back-moving spring, promotes the first neutral switch dynamic tactile with elastic force
Head contacts with the first neutral switch static contact；First neutral switch pull bar, its one end is neutral with first
The middle part of wiretap connecting rod connects；Second neutral switch includes: the second main shaft, in primary importance and
Between two positions pivotably, and position in primary importance and the second position, and include being secured to connect
The second neutral switch connecting lever, the first neutral switch pull bar and the second neutral switch connecting lever are hinged；
Second neutral switch hinge, the second neutral switch moving contact rack, its one end has elastic even with it
The the second neutral switch moving contact connect, the other end and the second neutral switch hinge pivotable connection, the
Two neutral switch moving contacts electrically connect with load-side neutral pole, the second neutral switch connecting rod, its one end
Hinged with the second main shaft and its other end and the second neutral switch moving contact rack one end is hinged；Second
Neutral switch back-moving spring, promotes the second neutral switch moving contact and second neutral conductor to open with elastic force
Pass static contact contact；The middle part of the second neutral switch pull bar, its one end and the second neutral switch connecting rod
Connecting, its other end and the first neutral switch connecting lever are hinged；Wherein the second main shaft rotates from primary importance
During to the second position, the second neutral switch connecting lever passes through the first neutral switch pull bar and first neutral conductor
Switch connecting rod pulls one end of the first neutral switch moving contact rack to make it about the first neutral switch
Hinge pivots and ends the electricity between the first neutral switch moving contact and the first neutral switch static contact
Connecting, and the second main shaft is when the second position turns to primary importance, the second neutral switch connecting lever leads to
Cross the first neutral switch pull bar and the first neutral switch connecting rod discharges the first neutral switch moving contact
One end of support, and make it open about first neutral conductor under the effect of the first neutral switch back-moving spring
Close hinge reversely pivot and turn on the first neutral switch moving contact and the first neutral switch static contact it
Between electrical connection, and wherein the first main shaft when primary importance turns to the second position, first neutral conductor
Switch connecting lever pulls second neutral conductor by the second neutral switch pull bar and the second neutral switch connecting rod
One end of switch movable contact head bracket makes it pivot about the second neutral switch hinge and end the second neutrality
Electrical connection between wiretap moving contact and the second neutral switch static contact, and the first main shaft is from second
When position turns to primary importance, the first neutral switch connecting lever is by the second neutral switch pull bar and the
Two neutral switch connecting rods discharge one end of the second neutral switch moving contact rack, and at second neutral conductor
It is made reversely to pivot about the second neutral switch hinge and turn on second under the effect of switch back-moving spring
Electrical connection between neutral switch moving contact and the second neutral switch static contact.
According to embodiment of the disclosure, the first neutral switch moving contact rack also includes being connected with its elasticity
The first neutral switch moving contact supporting plate, it arranges the first neutral switch moving contact, and second
Neutral switch moving contact rack also includes and its elastic the second neutral switch moving contact supporting plate being connected,
Second neutral switch moving contact is set on it.The centre position of the first neutral switch moving contact supporting plate with
First neutral switch moving contact rack is hinged, and its one end and the first neutral switch moving contact rack
One end connected by spring, its other end and the spacing property of the first neutral switch moving contact rack connect；
The centre position of the second neutral switch moving contact supporting plate is hinged with the second neutral switch moving contact rack,
And its one end is connected by spring with one end of the second neutral switch moving contact rack, its other end with
The second spacing property of neutral switch moving contact rack connects.In first neutral switch moving contact and load-side
Property pole electrical connection and the second neutral switch moving contact electrically connect with load-side neutral pole and include flexible connection.
First neutral switch connecting rod and the second neutral switch connecting rod include rigid link or flexible link.
According to embodiment of the disclosure, the first phase wiretap and the second phase wiretap are relative to load-side phase line
Pole is oppositely arranged, and the first phase wiretap includes: the first main shaft, between the first position and the second position may be used
Pivot, and position in primary importance and the second position, and include that the first phase line being secured to connect is opened
Close connecting lever；First phase line switch hinge；First phase line switch movable contact head bracket, its one end has and its bullet
Property the first phase line switch movable contact of connecting, the other end and the first phase line switch hinge pivotable connection, the
One phase line switch movable contact electrically connects with load-side phase line pole；First phase wiretap connecting rod, its one end and the
Hinged and its other end and the first phase line switch movable contact head bracket the one end of one phase wiretap connecting lever is hinged；The
Two-phase wiretap includes: the second main shaft, the most pivotably, and first
Position and second position location, and include the second phase wiretap connecting lever being secured to connect；Second phase
Wiretap hinge；Second phase line switch movable contact head bracket, its one end has and its elastic the second phase being connected
Wiretap moving contact, the other end and the second phase line switch hinge pivotable connection, the second phase line switch movable contact
Head electrically connects with load-side phase line pole；Second phase wiretap connecting rod, its one end and the second phase wiretap connecting lever
Hinged and its other end and the second phase line switch movable contact head bracket one end is hinged；Wherein the first main shaft is from
When one position turns to the second position, the first phase wiretap connecting lever drives the by the first phase wiretap connecting rod
One end of one phase line switch movable contact head bracket makes it pivot about the first phase line switch hinge and turn on first
Electrical connection between phase line switch movable contact and the first phase line switch static contact, and the first main shaft is from second
When position turns to primary importance, the first phase wiretap connecting lever pulls first by the first phase wiretap connecting rod
One end of phase line switch movable contact head bracket makes it reversely pivot about the first phase line switch hinge and ends
Electrical connection between one phase line switch movable contact and the first phase line switch static contact, and wherein the second main shaft
When primary importance turns to the second position, the second phase wiretap connecting lever passes through the second phase wiretap connecting rod band
One end of dynamic second phase line switch movable contact head bracket makes it pivot about the second phase line switch hinge and turn on
Electrical connection between second phase line switch movable contact and the second phase line switch static contact, and the second main shaft from
When the second position turns to primary importance, the second phase wiretap connecting lever is pulled by the second phase wiretap connecting rod
One end of second phase line switch movable contact head bracket makes it reversely pivot about the second phase line switch hinge and cut
The only electrical connection between the second phase line switch movable contact and the second phase line switch static contact.
According to embodiment of the disclosure, the first phase line switch movable contact head bracket also includes elastic being connected with it
First phase line switch movable contact head splint, it arranges the first phase line switch movable contact, and the second phase line is opened
Close moving contact rack also to include and its elastic second phase line switch movable contact head splint being connected, it arranges the
Two-phase wiretap moving contact.The centre position of the first phase line switch movable contact head splint is moved with the first phase wiretap
Contact supporting is hinged, and one end of its one end and the first phase line switch movable contact head bracket is by spring even
Connect；The centre position of the second phase line switch movable contact head splint is hinged with the second phase line switch movable contact head bracket,
And its one end is connected by spring with one end of the second phase line switch movable contact head bracket.First phase wiretap
Moving contact electrically connects with load-side phase line pole and the second phase line switch movable contact is the most electric with load-side phase line
Connect and include flexible connection.First phase line switch movable contact includes being parallelly disposed with respect to one another and an A of electric insulation
Phase line switch movable contact, a B phase line switch movable contact and a C phase line switch movable contact, and
First phase line switch static contact includes being parallelly disposed with respect to one another and an A phase wiretap of electric insulation of correspondence
Static contact, a B phase line switch static contact and a C phase line switch static contact；Second phase wiretap
Moving contact includes being parallelly disposed with respect to one another and the 2nd A phase line switch movable contact of electric insulation, the 2nd B phase line
Switch movable contact and the 2nd C phase line switch movable contact, and the second phase line switch static contact include correspondence
It is parallelly disposed with respect to one another and the 2nd A phase line switch static contact of electric insulation, the 2nd B phase line switch static contact
With the 2nd C phase line switch static contact.First main shaft of the first phase wiretap and the of the first neutral switch
One main shaft is coaxial, and the second main shaft of the second main shaft of the second phase wiretap and the second neutral switch is same
Axle.
Dual-power transfer switch according to the disclosure solves above-mentioned public affairs by using technique scheme
Open and to solve the technical problem that, thus obtain satisfied technique effect.
Accompanying drawing explanation
In order to be illustrated more clearly that the technical scheme in disclosure embodiment, below will be to required in embodiment
Accompanying drawing to be used is briefly described, it should be apparent that, the accompanying drawing in describing below is only the disclosure
Some embodiments, for those of ordinary skill in the art, in the premise not paying creative work
Under, it is also possible to other accompanying drawing is obtained according to these accompanying drawings.
Fig. 1 is to illustrate the schematic diagram that the first phase wiretap and the second phase wiretap are turned off.
Fig. 2 is to illustrate the first phase line switch conduction and the schematic diagram of the second phase wiretap cut-off.
Fig. 3 is to illustrate the first cut-off of phase wiretap and schematic diagram of the second phase line switch conduction.
Fig. 4 A is to illustrate the first phase wiretap and the schematic diagram of the second phase wiretap cut-off.
Fig. 4 B is to illustrate the schematic diagram that the first neutral switch and the second neutral switch are both turned on.
Fig. 5 A is to illustrate the first cut-off of phase wiretap and schematic diagram of the second phase line switch conduction.
Fig. 5 B is to illustrate that the second neutral switch is held on and ends the signal of the first neutral switch
Figure.
Fig. 6 and 7 is the schematic diagram illustrating another kind of overlapping neutral permutator, and wherein Fig. 6 shows
First neutral switch cut-off and the conducting of the second neutral switch, and Fig. 7 shows the first neutral switch
Conducting and the cut-off of the second neutral switch.
Detailed description of the invention
Below in conjunction with the accompanying drawing in disclosure embodiment, the technical scheme in disclosure embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the disclosure, and
It is not all, of embodiment.Based on the embodiment in the disclosure, those of ordinary skill in the art are not making
Go out the every other embodiment obtained under creative work premise, broadly fall into the scope of disclosure protection.
Unless otherwise defined, technical term used herein or scientific terminology should be neck belonging to the disclosure
There is in territory the ordinary meaning that the personage of general technical ability is understood.Disclosure patent application specification and power
" first ", " second " and the similar word that use in profit claim are not offered as any order, number
Amount or importance, and be used only to distinguish different ingredients.Equally, " one " or " one "
Do not indicate that quantity limits etc. similar word, but represent and there is at least one yet." connect " or " phase
Even " etc. similar word is not limited to physics or machinery connection, but can include electrical
Connect, no matter be direct or indirectly.On " ", D score, "left", "right" etc. be only used for representing
Relative position relation, after the absolute position being described object changes, then relative position relation is the most correspondingly
Change.
Fig. 1 to 3 shows the first phase wiretap and the schematic diagram of the second phase wiretap, and Fig. 4 A is to illustrate
First phase wiretap and the schematic diagram of the second phase wiretap cut-off, Fig. 4 B is to illustrate the first neutral switch
The schematic diagram being both turned on the second neutral switch, Fig. 5 A is to illustrate the first phase wiretap cut-off and second
The schematic diagram of phase line switch conduction, and Fig. 5 B is to illustrate that the second neutral switch is held on and ends
The schematic diagram of one neutral switch.
The most as illustrated in figures 4 a and 4b, load is comprised the steps that according to the dual-power transfer switch of the disclosure
Phase line pole, side 100, its one end 110 electrically connects with load phase (not shown)；First phase wiretap 200,
Such as, main power source phase wiretap, its one end electrically connects with the other end 120 of load-side phase line pole 100,
And selectively turn on or end the first phase line pole 210；Second phase wiretap 300, such as, standby electricity
Source phase wiretap, its one end electrically connects with the other end 102 of load-side phase line pole 100, and selectivity
On or off the second phase line pole 310, ground；Load-side neutral pole 400, its one end 410 and load neutral
Line (not shown) electrically connects；First neutral switch 500, such as, main power source neutral switch, its
One end electrically connects with the other end 420 of load-side neutral pole 400, and selectively turns on or end
One neutral pole 510；And second neutral switch 600, such as, stand-by power source neutral switch, one
End electrically connects with the other end 420 of load-side neutral pole 400, and selectively turns on or end second
Neutral pole 610.
Dual-power transfer switch work rule according to the present embodiment is as follows:
When the first phase wiretap 200 and the second phase wiretap 300 are turned off, the first neutral switch
500 and second neutral switch 600 at least one conducting；
When second source starts to power, the conducting of the second neutral switch 600 is prior to the second phase wiretap
The conducting of 300, and the moment before the second phase wiretap 300 conducting, the first neutral switch 500 sections
Only；
When the first power supply starts to power, the conducting of the first neutral switch 500 is prior to the first phase wiretap
The conducting of 200, and the moment before the first phase wiretap 200 conducting, the second neutral switch 600
Cut-off.
First neutral switch 500 and the second neutral switch 600 can relative to load-side neutral pole 400
It is oppositely arranged.
Specifically, the first neutral switch 500 includes: the first main shaft 520, in primary importance and
Between two positions pivotably, can position in primary importance and the second position, and include being secured to connect
The first neutral switch connecting lever (not specifically illustrated, the second neutral switch referring to be described later on turns
Arm 621)；First neutral switch hinge 530；First neutral switch moving contact rack 540, one
There is the first neutral switch moving contact 541 and there is the first neutral switch moving contact on the downside of end
Back-moving spring 542 is connected, and the first neutral switch moving contact 541 electrically connects with load-side neutral pole 400,
Intermediate portion and the first neutral switch hinge 530 pivotable connection.For the sake of the convenience on describing,
The position of above-mentioned primary importance for example, first neutral switch 500 cut-off, the second position for example, the
The position of one neutral switch 500 conducting, lower same.
Second neutral switch 600 includes: the second main shaft 620, between the first position and the second position
Pivotably, can position in primary importance and the second position, and include that be secured to connect second is neutral
Wiretap connecting lever 621；Second neutral switch hinge 630；Second neutral switch moving contact rack 640,
Its one end has the second neutral switch moving contact 641 and has the second neutral switch moving contact reset bullet
Spring 642 is connected, and the second neutral switch moving contact 641 electrically connects with load-side neutral pole 400, wherein
Between part and the second neutral switch hinge 630 pivotable connection.
Second main shaft 620 when primary importance turns to the second position, the second neutral switch connecting lever 621
The other end of sliding contact the first neutral switch moving contact rack 540, so that the first neutral switch moves
Contact supporting 540 pivots about the first neutral switch hinge 530 and ends the first neutral switch and move tactile
541 and first electrical connections between neutral switch 500 static contact.Second main shaft 620 is from second
Putting when turning to primary importance, the second neutral switch connecting lever 621 slides and departs from the first neutral switch and move
The other end of contact supporting 540, so that the first neutral switch moving contact rack 540 is at first neutral conductor
Reversely pivot about the first neutral switch hinge 530 under the effect of switch movable contact back-moving spring 542 and
Turn on being electrically connected between the first neutral switch moving contact 541 and the first neutral switch 500 static contact
Connect.
First main shaft 520 is when primary importance turns to the second position, and the first neutral switch connecting lever slides
Contact the other end of the second neutral switch moving contact rack 640, so that the second neutral switch moving contact
Support 640 pivots about the second neutral switch hinge 630 and ends the second neutral switch moving contact
641 and second electrical connections between neutral switch 600 static contact, and the first main shaft 520 is from second
When position turns to primary importance, the first neutral switch connecting lever slides, and disengaging the second neutral switch is dynamic to be touched
The other end of head bracket 640, so that the second neutral switch moving contact rack 640 is opened at second neutral conductor
Close and reversely pivot about the second neutral switch hinge 630 under the effect of moving contact back-moving spring 642 and lead
Logical electrical connection between second neutral switch moving contact 641 and the second neutral switch 600 static contact.
First neutral switch connecting lever and the second neutral switch connecting lever 621 can include the cam of part, cunning
Block or the end of shift fork, be conducive to the most respectively with in the second neutral switch moving contact rack 640 and first
Being slidably matched of property wiretap moving contact rack 540.
First neutral switch moving contact 541 electrically connects with load-side neutral pole 400 and second neutral conductor
Switch movable contact 641 electrically connects with load-side neutral pole 400 and includes flexible connection or other flexibly connect
Deng.
Fig. 6 and 7 is the schematic diagram illustrating another kind of overlapping neutral permutator, and wherein Fig. 6 shows
First neutral switch cut-off and the conducting of the second neutral switch, and Fig. 7 shows the first neutral switch
Conducting and the cut-off of the second neutral switch.
Seeing Fig. 6 and Fig. 7, in another embodiment of overlapping neutral permutator, first is neutral
Wiretap 500 is oppositely arranged relative to load-side neutral pole 400 with the second neutral switch 600.
First neutral switch 500 includes: the first main shaft 520, between the first position and the second position
Pivotably, can position in primary importance and the second position, and include that be secured to connect first is neutral
Wiretap connecting lever 521；First neutral switch hinge 530；First neutral switch moving contact rack 540,
Its one end has and its elastic first neutral switch moving contact 541 being connected, the other end and the first neutrality
Wiretap hinge 530 pivotable connection, the first neutral switch moving contact 541 and load-side neutral pole 400
Electrical connection；First neutral switch connecting rod 522, its one end and the first main shaft 520 be hinged and its other end
Hinged with one end of the first neutral switch moving contact rack 540；First neutral switch back-moving spring
542, promote the first neutral switch moving contact 541 and the first neutral switch static contact 510 with elastic force
Contact；The middle part of the first neutral switch pull bar 550, its one end and the first neutral switch connecting rod 522
Connect.
Second neutral switch 600 includes: the second main shaft 620, between the first position and the second position
Pivotably, can position in primary importance and the second position, and include that be secured to connect second is neutral
Wiretap connecting lever 621, the first neutral switch pull bar 550 is hinged with the second neutral switch connecting lever 621；
Second neutral switch hinge 630；Second neutral switch moving contact rack 640, its one end have with
Its elastic second neutral switch moving contact 641 connected, the other end and the second neutral switch hinge 630
Pivotable connection, the second neutral switch moving contact 641 electrically connects with load-side neutral pole 400；Second
Neutral switch connecting rod 622, its one end and the second main shaft 620 be hinged and its other end and second neutral conductor
One end of switch movable contact head bracket 640 is hinged；Second neutral switch back-moving spring 642, with elastic force
The second neutral switch moving contact 641 is promoted to contact with the second neutral switch static contact 610；In second
Property wiretap pull bar 650, its one end is connected with the middle part of the second neutral switch connecting rod 622, its another
Hold hinged with the first neutral switch connecting lever 521.
Second main shaft 620 when primary importance turns to the second position, the second neutral switch connecting lever 621
First neutral conductor is pulled to open by the first neutral switch pull bar 550 and the first neutral switch connecting rod 522
The one end closing moving contact rack 540 makes it pivot about the first neutral switch hinge 530 and end first
Electrical connection between neutral switch moving contact 541 and the first neutral switch static contact 510, and the
Two main shafts 620 are when the second position turns to primary importance, and the second neutral switch connecting lever 621 is by the
It is dynamic tactile that one neutral switch pull bar 550 and the first neutral switch connecting rod 522 discharge the first neutral switch
One end of head bracket 540, and make it about under the effect of the first neutral switch back-moving spring 542
One neutral switch hinge 530 reversely pivots and turns in the first neutral switch moving contact 541 and first
Electrical connection between property wiretap static contact 510.
On the other hand, the first main shaft 520 is when primary importance turns to the second position, and first neutral conductor is opened
Close connecting lever 521 and pull the by the second neutral switch pull bar 650 and the second neutral switch connecting rod 622
One end of two neutral switch moving contact racks 640 makes it pivot about the second neutral switch hinge 630
And end being electrically connected between the second neutral switch moving contact 641 and the second neutral switch static contact 610
Connect, and the first main shaft is when the second position turns to primary importance, the first neutral switch connecting lever 521
Discharge second neutral conductor open by the second neutral switch pull bar 650 and the second neutral switch connecting rod 622
Close one end of moving contact rack 640, and make it under the effect of the second neutral switch back-moving spring 642
Reversely pivot about the second neutral switch hinge 630 and turn on the second neutral switch moving contact 641 with
Electrical connection between second neutral switch static contact 610.
It addition, the first neutral switch moving contact rack 540 may also include in first be connected with its elasticity
Property wiretap moving contact supporting plate 543, it arranges the first neutral switch moving contact 541, and second
Neutral switch moving contact rack 640 may also include and its elastic the second neutral switch moving contact being connected
Supporting plate 643, it arranges the second neutral switch moving contact 641.
The centre position of the first neutral switch moving contact supporting plate 543 and the first neutral switch moving contact
Support 540 is hinged, and bullet is passed through in one end of its one end and the first neutral switch moving contact rack 540
Spring connects, and its other end and the spacing property of the first neutral switch moving contact rack 540 connect.
The centre position of the second neutral switch moving contact supporting plate 643 and the second neutral switch moving contact
Support 640 is hinged, and bullet is passed through in one end of its one end and the second neutral switch moving contact rack 640
Spring connects, and its other end and the spacing property of the second neutral switch moving contact rack 640 connect.
First neutral switch moving contact 541 electrically connects with load-side neutral pole 400 and second neutral conductor
Switch movable contact 641 electrically connects with load-side neutral pole 400 and can include flexible connection or other flexibly connect
Deng.
First neutral switch connecting rod 522 and the second neutral switch connecting rod 622 can include rigid link or
Flexible link.Flexible link such as can include rope, chain or multiple hinged bar etc..
Fig. 1 is to illustrate the schematic diagram that the first phase wiretap and the second phase wiretap are turned off, and Fig. 2 is to illustrate
First phase line switch conduction and the schematic diagram of the second phase wiretap cut-off, and Fig. 3 is to illustrate that the first phase line is opened
Close cut-off and the schematic diagram of the second phase line switch conduction.
Below, see Fig. 1 to 3 to describe according to the first phase wiretap of the disclosure and the second phase wiretap
Structure and operation thereof.
First phase wiretap 200 is relative relative to load-side phase line pole 100 with the second phase wiretap 300 to be set
Put.
First phase wiretap 200 includes: the first main shaft 220, between the first position and the second position may be used
Pivot, can position in primary importance and the second position, and include that the first phase line being secured to connect is opened
Close connecting lever 221；First phase line switch hinge 230；First phase line switch movable contact head bracket 240, its one end
Have and its elastic the first phase line switch movable contact 241 being connected, the other end and the first phase line switch hinge
230 pivotable connections, the first phase line switch movable contact 241 electrically connects with load-side phase line pole 100；The
One phase wiretap connecting rod 222, its one end is hinged with the first phase wiretap connecting lever 221 and its other end and
One end of one phase line switch movable contact head bracket 240 is hinged.
Second phase wiretap 300 includes: the second main shaft 320, between the first position and the second position may be used
Pivot, can position in primary importance and the second position, and include that the second phase line being secured to connect is opened
Close connecting lever 321；Second phase line switch hinge 330；Second phase line switch movable contact head bracket 340, its one end
Have and its elastic the second phase line switch movable contact 341 being connected, the other end and the second phase line switch hinge
330 pivotable connections, the second phase line switch movable contact 341 electrically connects with load-side phase line pole 100；The
Two-phase wiretap connecting rod 322, its one end is hinged with the second phase wiretap connecting lever 321 and its other end and
One end of two-phase wiretap moving contact rack 340 is hinged,
Wherein the first main shaft 220 is when primary importance turns to the second position, the first phase wiretap connecting lever
221 drive one end of the first phase line switch movable contact head bracket 240 to make by the first phase wiretap connecting rod 222
It pivots about the first phase line switch hinge 230 and turns on the first phase line switch movable contact 241 and the first phase
Electrical connection between wiretap static contact 210, and the first main shaft 220 turns to first from the second position
During position, the first phase wiretap connecting lever 221 pulls the first phase line to open by the first phase wiretap connecting rod 222
The one end closing moving contact rack 240 makes it reversely pivot about the first phase line switch hinge 230 and ends the
Electrical connection between one phase line switch movable contact 241 and the first phase line switch static contact 210, and
Wherein the second main shaft 320 is when primary importance turns to the second position, the second phase wiretap connecting lever
321 drive one end of the second phase line switch movable contact head bracket 340 to make by the second phase wiretap connecting rod 322
It pivots about the second phase line switch hinge 330 and turns on the second phase line switch movable contact 341 and the second phase
Electrical connection between wiretap static contact 310, and the second main shaft 320 turns to first from the second position
During position, the second phase wiretap connecting lever 321 pulls the second phase line to open by the second phase wiretap connecting rod 322
The one end closing moving contact rack 340 makes it reversely pivot about the second phase line switch hinge 330 and ends the
Electrical connection between two-phase wiretap moving contact 341 and the second phase line switch static contact 310.
Preferably, the first phase line switch movable contact head bracket 240 may also include and its elastic the first phase being connected
Wiretap moving contact supporting plate 243, it arranges the first phase line switch movable contact 241, and the second phase line
Switch movable contact head bracket 340 may also include and its elastic the second phase line switch movable contact head splint being connected
343, it arranges the second phase line switch movable contact 341.
Preferably, the centre position of the first phase line switch movable contact head splint 243 and the first phase line switch movable contact
Head bracket 240 is hinged, and bullet is passed through in one end of its one end and the first phase line switch movable contact head bracket 240
Spring 242 connects；The centre position of the second phase line switch movable contact head splint 343 and the second phase line switch movable contact
Head bracket 340 is hinged, and bullet is passed through in one end of its one end and the second phase line switch movable contact head bracket 340
Spring 342 connects.
First phase line switch movable contact 241 electrically connects with load-side phase line pole 100 and the second phase wiretap
Moving contact 341 electrically connects with load-side phase line pole 100 and can include flexible connection or other flexibly connect.
In the case of Double power of single-phase source permutator, the first phase line switch movable contact 241 can be single dynamic
Contact, and the first phase line switch static contact 210 can be single static contact.Open in the conversion of three-phase dual power supply
In the case of pass, the first phase line switch movable contact 241 can include being parallelly disposed with respect to one another and the first of electric insulation
A phase line switch movable contact, a B phase line switch movable contact and a C phase line switch movable contact, and
And first phase line switch static contact 210 include correspondence be parallelly disposed with respect to one another and an A phase line of electric insulation
Switch static contact, a B phase line switch static contact and a C phase line switch static contact.
In the case of Double power of single-phase source permutator, the second phase line switch movable contact 341 can be single dynamic
Contact, and the second phase line switch static contact 310 can be single static contact.Open in the conversion of three-phase dual power supply
In the case of pass, the second phase line switch movable contact 341 can include being parallelly disposed with respect to one another and the second of electric insulation
A phase line switch movable contact, the 2nd B phase line switch movable contact and the 2nd C phase line switch movable contact, and
And second phase line switch static contact 310 can include correspondence be parallelly disposed with respect to one another and the 2nd A phase of electric insulation
Wiretap static contact, the 2nd B phase line switch static contact and the 2nd C phase line switch static contact.
Preferably, first main shaft 220 and the of the first neutral switch 500 of the first phase wiretap 200
One main shaft 520 is coaxial, and the second main shaft 320 and the second neutral switch of the second phase wiretap 300
Second main shaft 620 of 600 is coaxial.
Below, the operation of dual-power transfer switch according to disclosure embodiment it is described in conjunction with the accompanying.
By the first main shaft and the rotation of the second main shaft, the first phase wiretap shown in Fig. 1 and can be realized
Two-phase wiretap is turned off, the first phase line switch conduction shown in Fig. 2 and second phase wiretap cut-off, with
And the first phase wiretap shown in Fig. 3 ends and the second phase line switch conduction.Therefore, phase wiretap is upper
State three kinds of states and meet the basic demand of dual-power transfer switch.
See Fig. 4 A and 4B, in the case of the first main shaft and the second main shaft are all in primary importance,
One phase wiretap and the second phase wiretap are turned off, and the first neutral switch and the second neutral switch are all led
Logical.
See Fig. 5 A and 5B, be in the feelings of the second position (second source starts power supply) at the second main shaft
Under condition, the second phase line switch conduction, the first phase wiretap keeps cut-off, and leads at the second phase wiretap
Moment before Tong, the second main shaft drives connecting lever thereon to depress the moving contact rack of the first neutral switch,
Make the first neutral switch cut-off.In contrast, when the first power supply starts to power, first neutral conductor is opened
The conducting closed is prior to the conducting of the first phase wiretap, and the moment before the first phase line switch conduction, the
Two neutral switch cut-offs.It should be understood by those skilled in the art that the moment before above-mentioned phase line switch conduction
Can be determined by the transmission calculation of specific design and realize.
Embodiment of above is merely to illustrate the disclosure, and restriction the most of this disclosure, relevant technical field
Those of ordinary skill, in the case of without departing from the spirit and scope of the disclosure, it is also possible to make various change
Changing and modification, the technical scheme of the most all equivalents falls within the category of the disclosure, and the patent of the disclosure is protected
The scope of protecting should be defined by the claims.
Claims (15)
1. a dual-power transfer switch, it is characterised in that including:
Load-side phase line pole, its one end electrically connects with load phase；
First phase wiretap, its one end electrically connects with the other end of this load-side phase line pole, and selectivity
On or off the first phase line pole, ground；
Second phase wiretap, its one end electrically connects with the other end of this load-side phase line pole, and selectivity
On or off the second phase line pole, ground；
Load-side neutral pole, its one end electrically connects with load neutral line；
First neutral switch, its one end electrically connects with the other end of this load-side neutral pole, and selects
Property ground on or off the first neutral pole；And
Second neutral switch, its one end electrically connects with the other end of this load-side neutral pole, and selects
Property ground on or off the second neutral pole,
Wherein, when described first phase wiretap and described second phase wiretap are turned off, in described first
Property wiretap and described second neutral switch at least one conducting,
Wherein, when second source starts to power, the conducting of described second neutral switch is prior to described
The conducting of two-phase wiretap, and the moment before described second phase line switch conduction, described first neutral conductor
Switch cut-off, and
Wherein, when the first power supply starts to power, the conducting of described first neutral switch is prior to described
The conducting of one phase wiretap, and the moment before described first phase line switch conduction, described second is neutral
Wiretap ends.
2. dual-power transfer switch as claimed in claim 1, it is characterised in that described first neutral conductor
Switch is oppositely arranged relative to described load-side neutral pole with described second neutral switch,
Described first neutral switch includes:
First main shaft, the most pivotably, and this primary importance and this
Two location positioning, and include the first neutral switch connecting lever being secured to connect,
First neutral switch hinge,
First neutral switch moving contact rack, its one end has the first neutral switch moving contact and has
First neutral switch moving contact back-moving spring is connected, described first neutral switch moving contact and load-side
Neutral pole electrically connects, intermediate portion and described first neutral switch hinge pivotable connection；
Described second neutral switch includes:
Second main shaft, the most pivotably, and this primary importance and this
Two location positioning, and include the second neutral switch connecting lever being secured to connect,
Second neutral switch hinge,
Second neutral switch moving contact rack, its one end has the second neutral switch moving contact and has
Second neutral switch moving contact back-moving spring is connected, described second neutral switch moving contact and load-side
Neutral pole electrically connects, intermediate portion and described second neutral switch hinge pivotable connection,
Wherein said second main shaft is when described primary importance turns to the described second position, in described second
The other end of the first neutral switch moving contact rack described in property wiretap connecting lever sliding contact, so that described
First neutral switch moving contact rack pivots about described first neutral switch hinge and ends described
Electrical connection between first neutral switch moving contact and described first neutral switch static contact, and institute
Stating the second main shaft when the described second position turns to described primary importance, described second neutral switch turns
Arm slides and departs from the described other end of described first neutral switch moving contact rack, so that in described first
Property wiretap moving contact rack under the effect of described first neutral switch moving contact back-moving spring about
Described first neutral switch hinge reversely pivots and turns on described first neutral switch moving contact and institute
State the electrical connection between the first neutral switch static contact, and
Wherein said first main shaft is when described primary importance turns to the described second position, in described first
The other end of the second neutral switch moving contact rack described in property wiretap connecting lever sliding contact, so that described
Second neutral switch moving contact rack pivots about described second neutral switch hinge and ends described
Electrical connection between second neutral switch moving contact and described second neutral switch static contact, and institute
Stating the first main shaft when the described second position turns to described primary importance, described first neutral switch turns
Arm slides and departs from the described other end of described second neutral switch moving contact rack, so that in described second
Property wiretap moving contact rack under the effect of described second neutral switch moving contact back-moving spring about
Described second neutral switch hinge reversely pivots and turns on described second neutral switch moving contact and institute
State the electrical connection between the second neutral switch static contact.
3. dual-power transfer switch as claimed in claim 2, it is characterised in that described first neutral conductor
Switch connecting lever and described second neutral switch connecting lever include partial cam or shift fork.
4. dual-power transfer switch as claimed in claim 2 or claim 3, it is characterised in that in described first
Property wiretap moving contact electrically connect with described load-side neutral pole and described second neutral switch is dynamic touches
Head electrically connects with described load-side neutral pole and includes flexible connection.
5. dual-power transfer switch as claimed in claim 1, it is characterised in that described first neutral conductor
Switch is oppositely arranged relative to described load-side neutral pole with described second neutral switch,
Described first neutral switch includes:
First main shaft, the most pivotably, and this primary importance and this
Two location positioning, and include the first neutral switch connecting lever being secured to connect,
First neutral switch hinge,
First neutral switch moving contact rack, its one end has opens with its elastic first neutral conductor being connected
Close moving contact, the other end and described first neutral switch hinge pivotable connection, described first neutral conductor
Switch movable contact electrically connects with load-side neutral pole,
First neutral switch connecting rod, its one end and described first main shaft be hinged and its other end and described the
Described one end of one neutral switch moving contact rack is hinged,
First neutral switch back-moving spring, with elastic force promote described first neutral switch moving contact with
First neutral switch static contact contact,
First neutral switch pull bar, its one end is connected with the middle part of described first neutral switch connecting rod；
Described second neutral switch includes:
Second main shaft, the most pivotably, and this primary importance and this
Two location positioning, and include the second neutral switch connecting lever being secured to connect, described first is neutral
Wiretap pull bar is hinged with described second neutral switch connecting lever,
Second neutral switch hinge,
Second neutral switch moving contact rack, its one end has opens with its elastic second neutral conductor being connected
Close moving contact, the other end and described second neutral switch hinge pivotable connection, described second neutral conductor
Switch movable contact electrically connects with load-side neutral pole,
Second neutral switch connecting rod, its one end and described second main shaft be hinged and its other end and described the
Described one end of two neutral switch moving contact racks is hinged,
Second neutral switch back-moving spring, with elastic force promote described second neutral switch moving contact with
Second neutral switch static contact contact,
Second neutral switch pull bar, its one end is connected with the middle part of described second neutral switch connecting rod,
Its other end is hinged with described first neutral switch connecting lever；
Wherein said second main shaft is when described primary importance turns to the described second position, in described second
Property wiretap connecting lever pulls institute by described first neutral switch pull bar and the first neutral switch connecting rod
The described one end stating the first neutral switch moving contact rack makes it about described first neutral switch hinge
Chain pivot and end described first neutral switch moving contact and described first neutral switch static contact it
Between electrical connection, and described second main shaft is when the described second position turns to described primary importance, institute
State the second neutral switch connecting lever to be opened by described first neutral switch pull bar and described first neutral conductor
Close connecting rod and discharge described one end of described first neutral switch moving contact rack, and neutral described first
It is made reversely to pivot about described first neutral switch hinge and lead under the effect of wiretap back-moving spring
Logical electrical connection between described first neutral switch moving contact and described first neutral switch static contact,
And
Wherein said first main shaft is when described primary importance turns to the described second position, in described first
Property wiretap connecting lever pulls institute by described second neutral switch pull bar and the second neutral switch connecting rod
The described one end stating the second neutral switch moving contact rack makes it about described second neutral switch hinge
Chain pivot and end described second neutral switch moving contact and described second neutral switch static contact it
Between electrical connection, and described first main shaft is when the described second position turns to described primary importance, institute
State the first neutral switch connecting lever to be opened by described second neutral switch pull bar and described second neutral conductor
Close connecting rod and discharge described one end of described second neutral switch moving contact rack, and neutral described second
It is made reversely to pivot about described second neutral switch hinge and lead under the effect of wiretap back-moving spring
Logical electrical connection between described second neutral switch moving contact and described second neutral switch static contact.
6. dual-power transfer switch as claimed in claim 5, it is characterised in that
Described first neutral switch moving contact rack also includes opening with its elastic first neutral conductor being connected
Close moving contact supporting plate, it arranges described first neutral switch moving contact, and
Described second neutral switch moving contact rack also includes opening with its elastic second neutral conductor being connected
Close moving contact supporting plate, it arranges described second neutral switch moving contact.
7. dual-power transfer switch as claimed in claim 6, it is characterised in that
The centre position of described first neutral switch moving contact supporting plate is moved with described first neutral switch
Contact supporting is hinged, and its one end is logical with described one end of described first neutral switch moving contact rack
Crossing spring to connect, its other end is connected with the described first spacing property of neutral switch moving contact rack；
The centre position of described second neutral switch moving contact supporting plate is moved with described second neutral switch
Contact supporting is hinged, and its one end is logical with described one end of described second neutral switch moving contact rack
Crossing spring to connect, its other end is connected with the described second spacing property of neutral switch moving contact rack.
8. the dual-power transfer switch as described in any one of claim 5 to 7, it is characterised in that described
First neutral switch moving contact electrically connects with load-side neutral pole and described second neutral switch moves
Contact electrically connects with load-side neutral pole and includes flexible connection.
9. the dual-power transfer switch as described in any one of claim 5 to 7, it is characterised in that described
First neutral switch connecting rod and the second neutral switch connecting rod are rigid rod or rods.
10. dual-power transfer switch as claimed in claim 1, it is characterised in that described first phase line is opened
Close and be oppositely arranged relative to described load-side phase line pole with described second phase wiretap,
Described first phase wiretap includes:
First main shaft, the most pivotably, and this primary importance and this
Two location positioning, and include the first phase wiretap connecting lever being secured to connect,
First phase line switch hinge,
First phase line switch movable contact head bracket, its one end has to be moved with its elastic the first phase wiretap being connected
Contact, the other end and described first phase line switch hinge pivotable connection, described first phase line switch movable contact
Head electrically connects with described load-side phase line pole,
First phase wiretap connecting rod, its one end is hinged with described first phase wiretap connecting lever and its other end with
Described one end of described first phase line switch movable contact head bracket is hinged；
Described second phase wiretap includes:
Second main shaft, the most pivotably, and this primary importance and this
Two location positioning, and include the second phase wiretap connecting lever being secured to connect,
Second phase line switch hinge,
Second phase line switch movable contact head bracket, its one end has to be moved with its elastic the second phase wiretap being connected
Contact, the other end and described second phase line switch hinge pivotable connection, described second phase line switch movable contact
Head electrically connects with load-side phase line pole,
Second phase wiretap connecting rod, its one end is hinged with described second phase wiretap connecting lever and its other end with
Described one end of described second phase line switch movable contact head bracket is hinged,
Wherein said first main shaft when described primary importance turns to the described second position, described first phase
Wiretap connecting lever drives described first phase line switch movable contact head bracket by described first phase wiretap connecting rod
Described one end make its about described first phase line switch hinge pivot and turn on described first phase wiretap
Electrical connection between moving contact and described first phase line switch static contact, and described first main shaft is from described
When the second position turns to described primary importance, described first phase wiretap connecting lever passes through the first phase wiretap
Connecting rod pulls described one end of described first phase line switch movable contact head bracket to make it about described first phase line
Switch hinge reversely pivots and to end described first phase line switch movable contact quiet with described first phase wiretap
Electrical connection between contact, and
Wherein said second main shaft when described primary importance turns to the described second position, described second phase
Wiretap connecting lever drives the institute of described second phase line switch movable contact head bracket by the second phase wiretap connecting rod
Stating one end makes it pivot about described second phase line switch hinge and turn on described second phase line switch movable contact
Electrical connection between head and described second phase line switch static contact, and described second main shaft is from described second
When position turns to described primary importance, described second phase wiretap connecting lever passes through the second phase wiretap connecting rod
The described one end pulling described second phase line switch movable contact head bracket makes it about described second phase wiretap
Hinge reversely pivots and ends described second phase line switch movable contact and described second phase line switch static contact
Between electrical connection.
11. dual-power transfer switch as claimed in claim 10, it is characterised in that
Described first phase line switch movable contact head bracket also includes moving with its elastic the first phase wiretap being connected
Contact supporting plate, it arranges described first phase line switch movable contact, and
Described second phase line switch movable contact head bracket also includes moving with its elastic the second phase wiretap being connected
Contact supporting plate, it arranges described second phase line switch movable contact.
12. dual-power transfer switch as claimed in claim 11, it is characterised in that
The centre position of described first phase line switch movable contact head splint and described first phase line switch movable contact
Support is hinged, and spring is passed through in described one end of its one end and described first phase line switch movable contact head bracket
Connect；
The centre position of described second phase line switch movable contact head splint and described second phase line switch movable contact
Support is hinged, and spring is passed through in described one end of its one end and described second phase line switch movable contact head bracket
Connect.
13. dual-power transfer switch as described in any one of claim 10 to 12, it is characterised in that institute
State the first phase line switch movable contact to electrically connect with load-side phase line pole and described second phase line switch movable contact
Head electrically connects with load-side phase line pole and includes flexible connection.
14. dual-power transfer switch as described in any one of claim 10 to 12, it is characterised in that
Described first phase line switch movable contact includes being parallelly disposed with respect to one another and an A phase line of electric insulation is opened
Close moving contact, a B phase line switch movable contact and a C phase line switch movable contact, and described the
One phase line switch static contact include correspondence be parallelly disposed with respect to one another and an A phase wiretap of electric insulation is quiet
Contact, a B phase line switch static contact and a C phase line switch static contact；
Described second phase line switch movable contact includes being parallelly disposed with respect to one another and the 2nd A phase line of electric insulation is opened
Close moving contact, the 2nd B phase line switch movable contact and the 2nd C phase line switch movable contact, and described the
Two-phase wiretap static contact include correspondence be parallelly disposed with respect to one another and the 2nd A phase wiretap of electric insulation is quiet
Contact, the 2nd B phase line switch static contact and the 2nd C phase line switch static contact.
15. dual-power transfer switch as described in claim 2 or 5, it is characterised in that described first phase
Wiretap is oppositely arranged relative to described load-side phase line pole with described second phase wiretap,
Described first phase wiretap includes:
First main shaft, the most pivotably, and this primary importance and this
Two location positioning, and include the first phase wiretap connecting lever being secured to connect,
First phase line switch hinge,
First phase line switch movable contact head bracket, its one end has to be moved with its elastic the first phase wiretap being connected
Contact, the other end and described first phase line switch hinge pivotable connection, described first phase line switch movable contact
Head electrically connects with described load-side phase line pole,
First phase wiretap connecting rod, its one end is hinged with described first phase wiretap connecting lever and its other end with
Described one end of described first phase line switch movable contact head bracket is hinged；
Described second phase wiretap includes:
Second main shaft, the most pivotably, and this primary importance and this
Two location positioning, and include the second phase wiretap connecting lever being secured to connect,
Second phase line switch hinge,
Second phase line switch movable contact head bracket, its one end has to be moved with its elastic the second phase wiretap being connected
Contact, the other end and described second phase line switch hinge pivotable connection, described second phase line switch movable contact
Head electrically connects with load-side phase line pole,
Second phase wiretap connecting rod, its one end is hinged with described second phase wiretap connecting lever and its other end with
Described one end of described second phase line switch movable contact head bracket is hinged；
Described first main shaft of wherein said first phase wiretap and described first neutral switch described
First main shaft is coaxial, and described second main shaft of described second phase wiretap and described second neutral conductor are opened
Described second main shaft closed is coaxial.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2015203821734 | 2015-06-04 | ||
| CN201520382173 | 2015-06-04 |
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| CN106252120A true CN106252120A (en) | 2016-12-21 |
| CN106252120B CN106252120B (en) | 2018-06-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520721739.1U Withdrawn - After Issue CN205069433U (en) | 2015-06-04 | 2015-09-17 | Double -power transfer switch |
| CN201510593671.8A Active CN106252120B (en) | 2015-06-04 | 2015-09-17 | Dual-power transfer switch |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520721739.1U Withdrawn - After Issue CN205069433U (en) | 2015-06-04 | 2015-09-17 | Double -power transfer switch |
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| CN108231452A (en) * | 2017-12-30 | 2018-06-29 | 宋江海 | A kind of novel reciprocal power supply maker |
| CN110021485A (en) * | 2018-01-09 | 2019-07-16 | 施耐德电器工业公司 | Dual-power transfer switch |
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| CN205069433U (en) * | 2015-06-04 | 2016-03-02 | 施耐德电器工业公司 | Double -power transfer switch |
| CN107845514B (en) * | 2016-09-18 | 2020-02-28 | 施耐德电气工业公司 | Dual-power transfer switch and mechanism for same |
| CN108666158B (en) * | 2017-03-31 | 2019-12-24 | 施耐德电器工业公司 | Double-power automatic change-over switch |
| CN108666159B (en) * | 2017-03-31 | 2019-12-24 | 施耐德电器工业公司 | Double-power-supply change-over switch |
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| CN110021485A (en) * | 2018-01-09 | 2019-07-16 | 施耐德电器工业公司 | Dual-power transfer switch |
| CN110021485B (en) * | 2018-01-09 | 2021-01-22 | 施耐德电器工业公司 | Double-power-supply change-over switch |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106252120B (en) | 2018-06-08 |
| CN205069433U (en) | 2016-03-02 |
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